HomeMy WebLinkAboutCity of Bozeman_2021 SW Facilities Plan Update 2020 FinalPROPOSAL
CITY OF BOZEMAN
2021 STORMWATER FACILITIES
PLAN UPDATE
Prepared for:
Kayla Mehrens
Stormwater Program Coordinator
121 N. Rouse Avenue, Suite 200
P.O. Box 1230
Bozeman, MT 59771-1230
Prepared by:
Greg Gabel, PE, CFM
Project Manager
222 North 32nd Street
Suite 700
Billings, MT 59101
406-869-6312
ggabel@dowl.com
December 23, 2020
Wade Irion, PE
Principal
1283 North 14th Avenue
Suite 101
Bozeman, MT 59715
406-869-6352
wirion@dowl.com
406-586-8834 ■ 800-865-9847 (fax) ■ 1283 North 14th Avenue, Suite 101 ■ Bozeman, Montana 59715 ■ www.dowl.com
December 23, 2020
Ms. Kayla Mehrens Stormwater Program Coordinator City of Bozeman P.O. Box 1230 Bozeman, MT 59771-1230
RE: Request for Proposal 2021 Stormwater Facilities Plan Update
Dear Ms. Mehrens and Selection Committee:
DOWL is pleased to submit our proposal for the 2021 Stormwater Facilities Plan Update, a comprehensive update to the City of Bozeman’s 2008 Storm Water Facilities Plan. DOWL has partnered with Morrison-Maierle and the FCS GROUP to provide local and regional stormwater management expertise, extensive working knowledge of the stormwater challenges and feasible solutions for Bozeman, and a broad-based understanding of stormwater program funding solutions that have been implemented across the western United States.
DOWL and Morrison Maierle both have offices right here and have been working in this community and for the City of Bozeman for decades. Our team helped develop the 2008 City of Bozeman Storm Water Facilities Plan and also have a very current working knowledge of your stormwater facilities. We also bring directly relevant, recent experience in developing stormwater facility plans that include large-scale modeling efforts and capacity evaluations, that incorporate existing natural drainageways, irrigation ditches, and constructed agricultural drains for cost-effective stormwater management. We have also recently planned, designed, and completed construction oversight for facilities that provide both regional detention storage and water quality treatment through constructed wetlands.
To supplement our team’s stormwater planning and design experience, we have also included our partner firm FCS GROUP who have developed stormwater program funding strategies for numerous communities across the west. They provide a broad-based understanding of the stormwater programs for many similar communities that will be very helpful in exploring practical solutions applicable to the City of Bozeman.
Our team has a track record of successful stormwater projects and we share a passion for helping communities develop sustainable Stormwater Programs, appropriate to your community. We’re ready to hit the ground running!
Please feel free to contact us if you have any questions.
Sincerely,
DOWL
Greg Gabel, PE, CFM Wade Irion, PE Project Manager Principal
(406) 869-6312 (406) 869-6352
City of Bozeman | 2021 Stormwater Facilities Plan Update Table of Contents
TABLE OF CONTENTS
FIRM BACKGROUND ...........................................................................1
PROJECT OVERVIEW .........................................................................3
PROJECT APPROACH ........................................................................5
Task 1 - Project Management ...........................................................5
Task 1A - Research Current and Potential Funding Sources ............5
Task 2 - Post-Construction Facility Recommendations .....................6
Task 3 - Existing Storm Sewer Capacity Analysis .............................7
Task 4 - Regional Stormwater Treatment ..........................................9
Task 5 - Additional Stormwater Utility Funding Recommendation
and Maintenance Asset Classes ........................................12
Task 6 - Stormwater Utility CIP Recommendations ........................13
Task 7 - 2021 Stormwater Facilities Plan Update ...........................13
MANAGEMENT APPROACH .............................................................14
STAFF QUALIFICATIONS ..................................................................15
CURRENT AND PROJECTED WORKLOAD .....................................17
RELATED EXPERIENCE ON SIMILAR PROJECTS .........................17
PROPOSED SCHEDULE ....................................................................20
ATTACHMENT A - NON-DISCRIMINATION AFFIRMATION FORM
ATTACHMENT B - KEY PERSONNEL RESUMES
City of Bozeman | 2021 Stormwater Facilities Plan Update 1
Our Team
DOWL is a full-service, employee-owned, multi-disciplined engineering firm that has provided services throughout Montana and the western United States for over 60 years. DOWL is over 430 employees strong with 26 offices throughout Montana, Wyoming, Arizona, Oregon, Colorado, Washington, and Alaska. Most importantly to your project, our Bozeman office has been a part of the local community for over 30 years. Our staff is familiar with the City of Bozeman stormwater group and the unique challenges you face in meeting the community's stormwater management needs.
DOWL has been providing storm drainage planning and design throughout our history and have provided this service to municipalities, counties, mines, powerplants, airports, Department of Transportation’s (DOT) and developers, across Montana and the western U.S. DOWL’s team is comprised of professionals specializing in stormwater with experience in GIS, asset management, condition assessment, stormwater modeling, stormwater master planning, capital improvement plans (CIP), final design, and construction administration.
DOWL has partnered with Morrison-Maierle Inc. (MMI) to enhance our in-house capabilities to better serve the City of Bozeman on this project. DOWL and MMI will provide seamlessness and consistency between our on-going City of Bozeman Stormwater On-Call Services work, the City of Bozeman Engineering Design Standards Update, and this 2021 Stormwater Facilities Plan update. MMI was also a key member of the team which developed the 2008 Facilities Plan and have extensive experience in navigating the stormwater challenges of the Bozeman development community. This local knowledge, background, and experience will be extremely valuable in fully understanding the challenges and identifying feasible solutions.
DOWL and MMI will be joined on this project by the FCS GROUP to more fully address the financial aspects of the 2021 Stormwater Facilities Plan Update. FCS GROUP brings extensive experience on effective funding solutions for community stormwater programs. They have completed over 200 stormwater-related funding projects for communities throughout the western U.S., including working consecutively with MMI for a recent funding plan in Missoula and currently working with DOWL for development of a stormwater utility for the City of Billings.
2020 marks the celebration of MMI’s 75th anniversary. Founded in 1945 by John Morrison, Sr. and Joe Maierle, Morrison-Maierle has grown into a multi-discipline engineering firm focused on providing practical solutions and exceptional client service. This original partnership blossomed into what Morrison-Maierle is today—a Top 500 Design Firm with more than 300 employee-owners in 12 offices in four states.
MMI is a full-service firm. Their engineering professionals have extensive experience in transportation, water/wastewater, natural resources, land development, surveying, airports, buildings, and industrial practices. They work for a diverse range of clients in communities throughout the west.
MMI’s local experience working with and for the City of Bozeman on storm drainage and land development projects is a unique strength that they bring to our project team.
FCS GROUP, established in 1988, provides utility rate and fee consulting, utility management consulting, financial planning and analysis, and economic services to public sector clients including city and county governments, municipal corporations, ports, special purpose districts, and state agencies. As an independent and objective firm, FCS GROUP has delivered high-quality, cost-effective consulting services in over 3,500 engagements and served more than 550 clients. Their staff of 35 serves clients throughout the western United States from locations in Redmond, Washington, Spokane, Washington, Lake Oswego, Oregon, and Boulder, Colorado.
FIRM BACKGROUND
City of Bozeman | 2021 Stormwater Facilities Plan Update 2
FCS GROUP’s Utility Finance and Rate Consulting practice supports stormwater, water, wastewater, reclaimed water, solid waste, transportation, electric and parks services. They have performed more than 2,500 utility finance and rate development projects ranging from defining revenue requirements and building comprehensive cost-of-service financial modeling tools, to forming stormwater utilities and developing legally defensible impact fee and cost recovery solutions.
Previous Teaming ExperienceDOWL has worked with both MMI and FCS in successfully completing a number of past projects.
DOWL and FCS are familiar teaming partners who have worked together on previous projects and collaborated on projects throughout our organization. We are currently teamed together on the City of Billings Stormwater Utility Rate Study, where we are assisting the City in defining their funding needs to meet their future stormwater management goals for various “levels of service”, and are making recommendations for funding solutions to support that program.
DOWL and MMI are also accustomed to working together. In addition to the City of Bozeman Engineering Design Standards, we also recently partnered on development of the Integrated Water Plan for the City of Billings. In that instance, MMI was tasked with planning for future improvements to the water distribution system, while DOWL was tasked with planning for future improvements to the sanitary collection system. We worked together seamlessly through this extensive effort to produce a comprehensive master plan that is now in use by the City of Billings. We have also partnered on Montana Department of Transportation (MDT) projects including the very recent 1800-foot-long, Yellowstone River Bridge for the Billings Bypass roadway project which is now under construction.
Project Specific QualificationsOur team has extensive knowledge of the City of Bozeman stormwater facilities through our past development design work throughout the City, MMI’s past work on the 2008 Stormwater Facility Plan, and through serving as your Stormwater On-Call Term Contractor, which has included evaluation of precipitation data to update the “design storm” and in developing the current stormwater model for the City’s downtown drainage network. We are intimately familiar with these key stormwater documents that will help to guide development of the 2021 update:
2008 Bozeman Stormwater Facilities Plan
2020 Bozeman-MSU Stormwater Management Plan
City of Bozeman MS4 Permit
City of Bozeman Design Standards & Specification
2020 Draft Bozeman Community Plan
2020 to 2026 City of Bozeman Capital Improvement Projects
Over the last few years our team has planned, designed, and administered construction of a variety of projects that incorporates stormwater facilities in Bozeman:
Water Treatment Devices at N 3rd Ave, N Grand Ave, N Wilson Ave, and N Tracy Ave
Manley Ditch Outfall Channel Restoration
Durston Road Improvements
Rouse Avenue Reconstruction
Downtown Storm Drain Trunkline Rehabilitation
Our team can assist in recommendations for updates to your stormwater asset management program and have completed inventories, condition assessments, and CIP prioritization of facilities from small storm drain systems to large irrigation projects throughout the western U.S. Our staff has been utilizing GIS to manage spatial databases for over 20 years and are currently utilizing ArcGIS software 10.5 and are now transitioning into ArcPro version 2.6 for 2021. We are familiar with the ArcGIS (and now ArcPro) tools and have used them extensively as part of condition evaluations and rehabilitation prioritization for municipal and federal asset management programs.
We have also designed and provided construction administration services for many private and regional stormwater detention and treatment facilities. This includes master planning, final design, and construction administration of the 66-acre Shiloh Conservation Area (SCA). The SCA included constructed wetlands and detention ponds at the confluence of a natural drainageway
CopperRidge wet detention pond retrofit
1
2
3
4
5
6
Installation of a stormwater treatment device
City of Bozeman | 2021 Stormwater Facilities Plan Update 3
and a historic agricultural drain, in an area of elevated water table that ultimately helped west Billings meet the regional stormwater treatment and control needs. Additionally, we also have experience designing the retrofits of existing detention ponds for private developments to remedy deficiencies in their function, lack of water quality treatment features, the appearance, and lack of maintenance access as was the case for the CopperRidge Detention Pond in Billings.
We have performed stormwater master plan studies including developing cost-effective solutions for controlling and treating runoff at a regional scale. Recent studies have included the West Billings Stormwater Development Plan in Billings to address downstream capacity limits of Hogan Slough. Solutions consisted of regional detention ponds in the upper basin to reduce the peak rate of runoff to levels that can be accommodated within the existing natural drainage courses downstream. Following the recommendation of this plan, the City of Billings acquired a parcel of land along a natural drainageway in the upper basin near the intersection of 62nd Street West and Rimrock Road. Final design and construction of a series of four cascading detention ponds (the “62nd Street Ponds”) was completed in 2018 to limit runoff from expanding development into the old Birely Drain agricultural drain.
The FCS GROUP has performed over 200 stormwater-related funding projects, including nearly 30 stormwater utility formations in the western United States. These rate studies have resulted in changes to the rate approach or funding strategies to more modern, data-driven rate structures. The FCS GROUP recently completed work on a new Stormwater Utility for the City of Missoula and FCS and DOWL are partnering in helping the City of Billings on a Stormwater Utility Rate Study. This study includes reviewing their current stormwater program, capital improvements plans, deferred maintenance needs, culvert replacement program, operations needs, and stormwater policies in establishing funding needs for an expanded level of service. The study will establish appropriate funding levels and associated updates to the existing stormwater utility rates.
PROJECT OVERVIEW
The City of Bozeman Stormwater Division has made tremendous strides in recent years to address the City’s stormwater needs and has developed into a leader in stormwater management across the State. Many of the recommendations from the 2008 Bozeman Stormwater Facilities Plan have now been implemented. The City Stormwater Division has developed a robust database of the stormwater infrastructure to facilitate asset management; has developed a Stormwater Management Plan (SWMP) to comply with Montana Department of Environmental Quality MS4 Permit requirements; has developed an enterprise fund to partially fund your current operations, inspection, maintenance, and capital needs; and you have aggressively implemented water quality treatment measures to meet the objectives of the TMDL waste load limits for Bozeman Creek. It’s now time to move to the next level.
Why Select Our Team?
■ Successful working relationship with City of Bozeman Stormwater Division
■ Understanding of your stormwater challenges
■ Local and regional stormwater expertise
■ Understanding on what it takes to fund a successful Stormwater Program
■ History of developing CIPs
62nd Street detention pond
City of Bozeman | 2021 Stormwater Facilities Plan Update 4
Explosive development throughout Bozeman, particularly to the west, has brought about significant challenges as development pressures outpace City planning for stormwater management. Stormwater needs are addressed at the individual development scale, lacking a “roadmap” for regional solutions. Hundreds of stormwater detention and retention facilities are now scattered across the City without an overarching authority, with appropriate legal standing, access rights, and financial resources to provide a sustainable solution for on-going maintenance needs. Competition for available land space, coupled with high water tables, add to the challenges of planning for effective stormwater management solutions.
The recently adopted Community Plan establishes goals for prioritizing strategic acquisition of parks to provide recreational opportunities throughout the City. The Plan specifically identifies linear parks to connect larger parks as a priority and encourages multi-use features, water quality enhancement, wildlife habitat, providing for connections to
existing waterways, and providing wetland mitigation using native vegetation. These priorities of the Community Plan tie directly to potential regional solutions for effective and sustainable stormwater management. Solutions DOWL has implemented in other communities.
The City’s Stormwater Division has matured to the point where it is appropriate to bring the other elements of stormwater management under one “roof”. This includes planning and design guidance of new or replacement storm drains associated with road reconstruction projects, prioritization for culvert maintenance or replacements, and adoption of existing natural and constructed drainageways into the City’s stormwater drainage network. Given the current and projected future stormwater needs of Bozeman and the vision for expanding the Stormwater Division’s scope of services, it’s now time to also explore options for expanding your available funding sources.
Every project at DOWL starts with developing a clear understanding of the goals, challenges, and critical success factors. We then select the team and project approach accordingly. The success of the 2021 Stormwater Facilities Plan Update rests heavily on having an intimate understanding of the specific challenges and feasible solutions for Bozeman, a broad understanding of how these challenges have been met by other communities throughout the western U.S., and having the experience gained while “in the trenches” working on similar facility plans with very similar constraints. The team we have assembled and our approach to your project were specifically designed to meet these objectives. This team has the full range of required experience, capabilities, and intimate knowledge of the Bozeman community as shown in the figure below.
The DOWL/MMI/FCS GROUP team has the:
Full range of required capabilities from stormwater modeling, to master planning, to funding mechanisms
Intimate knowledge of the development climate of Bozeman having lived and worked here for decades
Solid background in developing facilities plans for other communities with similar challenges
Experience working with numerous other communities across Montana and the western U.S. to understand how these challenges have been addressed in other communities
"Future Community Land Uses" from Growth Study
City of Bozeman | 2021 Stormwater Facilities Plan Update 5
PROJECT APPROACH
In the following sections, we will outline our team’s approach to working with you to develop a 2021 Stormwater Facilities Plan Update that will serve the City well into the future.
Task 1 – Project Management
As the prime consultant, DOWL will be responsible for leading this project and coordinating with the City of Bozeman. We will be responsible for managing the project, scope, schedule, and budget as agreed upon following selection. The established working relationship we have with MMI and the FCS GROUP will facilitate a seamless workflow, operating as one team to complete the 2021 Stormwater Facilities Plan Update. Given the multitude of issues, constraints, and stakeholder concerns that could drive feasible solutions, we propose to utilize the same process we’ve used on other recent stormwater planning efforts. We recommend regular status update meetings to keep the City of Bozeman regularly apprised of our progress. Depending on the activities underway, the meeting may simply be a brief status update or it may take the form of a more extensive work session to establish project direction. This approach has worked well to make sure we stay aligned with your vision and preferences every step of the way and to keep our resources efficiently focused.
Task 1A - Research Current and
Potential Funding Sources
Funding options and recommendations are included with many of the tasks in the request for proposals (RFP). Given this pervasive need, we have included another task which addresses this subject holistically. Task 1A consists of reviewing the current City of Bozeman rate structure and policies, reviewing other potential funding sources, and providing recommendations for potential enhancements to the existing City of Bozeman stormwater program and funding mechanisms based on our working knowledge with other similar communities. This work will be performed by the FCS GROUP. The results of this work will be incorporated into Task 2 – Post-Construction Stormwater Facility Recommendations, Task 4 – Regional Stormwater Treatment Planning, Task 5 – Additional Stormwater Utility Funding Recommendations and Maintenance Asset Classes, and Task 6 – Stormwater Utility CIP Recommendations.
The City of Bozeman has been highly successful in addressing the needs identified in the 2008 Stormwater Facilities Plan. The City established a stormwater utility to fund on-going operations and maintenance, as well as capital construction aimed at deferred maintenance and system enhancements needed to comply with the City’s MS4 permit.
The City now faces challenges not uncommon to maturing programs – among them, ensuring that private facilities are maintained, continuing to expand the system
to accommodate growth, and staffing the program appropriately for its responsibilities.
The City could take steps to update its program and increase rates to recover the full cost of delivering stormwater services. However, there are other potential sources of funding for stormwater management programs and program components that may be useful as supplementary funding, including the following:
Special Fees. Special fees can be developed to recover the cost of specific services that benefit only a small segment of the ratepayers.
System Development Charges. Authorized in Section 7-13-4304 of the Montana Code Annotated (MCA), system development charges (SDCs) are one-time fees imposed on growth to recover the infrastructure costs of growth on growth.
Impact Fees. Authorized in Title 7, Chapter 6 of the Montana Code, and available for “a stormwater collection, retention, detention, treatment, or disposal facility or a flood control facility”, these one-time fees on new development similarly charge growth for the infrastructure costs of growth.
Fees-In-Lieu. These voluntary payments can be paid to provide funding for regional solutions in place of on-site mitigation.
Special Assessments. Special assessments can be structured to charge specially benefiting properties for the cost of stormwater capital improvements that serve them. They can however be burdensome to administer and must meet specific legal requirements.
Conventional Debt. Debt may make sense for costly capital projects.
Special Grants and Loans. While competitive, these funds can be obtained at a significantly reduced cost to the City, if successful. Additionally, a State DNRC grant, for example, if used to fund capital projects, can reduce the rate impacts on your customers
Latecomer (reimbursement) agreements. This approach requires a private partner willing to fund a portion of the regional facility cost
The City made many good choices while establishing its rate and credit structures. The level-of-service approach, in which costs and associated rates were provided for “Gold”, “Silver”, and “Bronze”, programs, worked to present the council with a “menu” of expectations from which to choose. FCS GROUP has used this approach with great success in dozens of stormwater rate studies, and would propose to use information developed as part of this plan to create similar options for consideration as part of this or a subsequent study. The following is our general approach to complete the research and funding recommendations for your stormwater program.
$
City of Bozeman | 2021 Stormwater Facilities Plan Update 6
Research Current Stormwater Program
Interviews and research on stormwater program management and administration aspects of public works leadership and City services, such as permitting, submittal reviews, billing and accounting, legal, and others to document current activities and level of service.
Framework of the Stormwater Program
The work completed in Task 2 through Task 6 will be included with current practices to establish the framework of a Stormwater Management Program to be implemented in Bozeman. The FCS GROUP will utilize these programs to determine gaps in your current funding strategies and to provide recommendation on rates, policies, and other funding sources to best fund this program.
Meetings with City
Our team will meet with the City to discuss funding options for specific elements of the stormwater program and, near the end of the 2021 Stormwater Facilities planning, to discuss the funding needs for the overall stormwater program.
Technical Memorandum
A technical memorandum will be produced documenting the existing stormwater program and funding, various funding solutions, a summary of our meetings, and overall funding recommendations.
Task 2 – Post-Construction Facility
Recommendations
Our team understands the challenges facing the City of Bozeman as it relates to private stormwater facilities and the lack of maintenance. MMI has worked on over 100 development projects in Bozeman and has a good understanding of many of the post-construction stormwater facilities in the City. They have seen successes and failures with on-going maintenance of stormwater facilities and bring an understanding of the project characteristics that led to the success stories. Currently, the City of Bozeman has no rigorous process for checks and balances on these private facilities to make sure they are operating properly or being maintained. Recommendations for potential options for an inspection, maintenance, and enforcement program are needed.
Research
The FCS GROUP will draw from their extensive knowledge of other municipalities to identify similar communities with stormwater facility inspection programs.
Cities with municipal stormwater utilities usually follow one of three models as it pertains to private stormwater facility maintenance:
Cities maintain only public systems and establish and enforce standards for private system maintenance. They also establish standards for contributions from public facilities into private systems.
Cities maintain public systems and those private systems for which ownership and/or easement rights have been transferred to the City and they establish and enforce standards for private system maintenance for the remaining systems.
Cities acquire private systems and then maintain them as public systems.
Choosing among these options, or developing other options, is essentially a policy choice, and the rate and credit structures should be crafted to be consistent with the policy goal. Option 3 for example, is the most expensive but affords the City the most control over system-wide maintenance. FCS GROUP recently evaluated this option for the City of Tumwater, Washington, developing a model to estimate the cost to the City of maintaining currently private facilities.
As part of a comprehensive rate study for the City of Sammamish, Washington, FCS GROUP incorporated the option 2 approach, tailoring its rate credits to be renewable annually contingent on the condition of the on-site system. Of course, both options 1 and 2 require on-going inspection and enforcement to verify compliance with City standards,
FCS GROUP is already familiar with the inspection programs of several representative communities.
Sammamish, WA
Lynnwood, WA
Kirkland, WA
Redmond, WA
2
3
1
Value AddedFCS GROUP can also provide Comparable Program Research to assess your program through comparison to other representative communities.
Deferred maintenance of Laurel Glen pond
City of Bozeman | 2021 Stormwater Facilities Plan Update 7
adding cost to the utility’s revenue requirements or serving as the basis for separate fees imposed on those property owners whose private facilities require inspection.
Interview
Additional interviews with these municipalities will be performed to get further details on their inspection programs and how they deal with inspection access, maintenance responsibilities, and how they enforce their programs. Questions will be asked about how they started up and how they addressed facilities that did not have an identified party in responsible charge of the facility.
Develop Matrix
Information taken from these interviews will be compiled into a matrix summarizing different strategies used to implement inspections on private post-construction stormwater facilities. The matrix will include everything identified in the scope of work along with other important information including additional challenges these communities faced to get their program up and running, their current funding strategies, and things they would modify in retrospect.
Team Meeting
Our team would provide the matrix of results and a draft technical memorandum summarizing our findings to the City of Bozeman for review. We would present our findings in a workshop meeting to determine how to proceed in addressing the City of Bozeman Private Post-Construction Stormwater Facilities Inspection and Maintenance Program. This program will address how to deal with existing private facilities as well as new facilities in the future, legal public access issues, defining the maintenance responsibilities for facilities with both known and unknown responsible parties, and what policies need to change to provide the City the required enforcement authority.
Technical Memorandum
Following the review meeting, our team will develop the final technical memorandum summarizing our research, interviews, the matrix, and a summary of recommendations and next steps for the City of Bozeman to pursue.
Task 3 – Existing Storm Sewer
Capacity Analysis
DOWL understands that the City of Bozeman, like other communities, has aging and undersized storm drain infrastructure. We have reviewed the stormwater GIS data that we acquired in 2019 for our on-going stormwater modeling work, to determine the extents of the City’s storm drain system constructed before 1980. Figure 1 illustrates that most of the pre-1980 storm drain system is located in the downtown and north of downtown areas. As shown in Figure 1, DOWL’s existing stormwater model already includes the majority of this area and we are currently using this model to evaluate solutions to unload excess
Figure 1:
Stormwater facilities installation date
Norton East Ranch Pond groundwater issue
City of Bozeman | 2021 Stormwater Facilities Plan Update 8
stormwater that is currently routed to the downtown alleyway storm drain trunkline. We are intimately familiar with which pipes are currently undersized and can hit the ground running on this task!
It is anticipated that there may be the need for additional field verification to refine the capacity analysis within the existing model area and to fill data gaps for the area outside of the current modeling limits. Field data collection will be completed by MMI field crews. MMI has had the privilege of providing surveying services to the City of Bozeman for your CIP program for many years. Through this work they have developed a consistent datum database as well as gaining a solid understanding of the City’s infrastructure. MMI’s surveying experience includes stormwater and utility surveys as well as stream cross sections and bathymetric surveys for natural and constructed drainage courses. MMI also has the personnel, equipment, and expertise to conduct surface water flow measurements where needed for verification of model results.
Data Collection and Collaboration
At the outset of this task, DOWL will refresh our current City storm drain dataset by obtaining the most recent GIS data, as-built construction plans, and other pertinent data from the City of Bozeman for use in stormwater modeling. DOWL will review the datasets to identify any gaps that will need to be supplemented through field collection. DOWL will also collaborate with key City of Bozeman staff including stormwater program personnel and maintenance staff to identify recurring nuisance drainage or flooding issues throughout the study area.
Field Data Collection and Elevation Verification
Once it is determined what data is missing or what data points appear suspect, we will first review our internal databases to determine if the missing information is available, in order to limit field efforts. An analysis of potential data problems will be conducted in the office to develop the supplemental field data collection plan. It is anticipated that in many cases only minimal data collection or verification will be needed so that we can confidently use the data for modeling. In some cases, more in-depth surveys may be required. Elevation data will be efficiently and accurately collected using survey-grade GPS equipment. For each outfall or manhole that requires access, the conditions will be documented with photographs as well as collecting data on elevations and pipe sizes. Cross section surveys may also be needed along highly vegetated natural and man-made conveyance ditches to properly assess capacity. MMI will work with the Bozeman GIS group to populate these data gaps in the City’s Asset Management database.
Stormwater Modeling
DOWL will work with the City of Bozeman to define the intended study extents for the storm drain capacity review. Our existing stormwater model will be expanded to represent existing conditions. The model will be calibrated to observations of runoff and flooding during actual storm
events. DOWL has been working with data from the MSU ORSL weather station as well as the Gallatin Field NOAA weather station and is now in the process of selecting actual storm events that can be tied to observations of runoff and flooding within the study area. Once we have confidence that the results from the existing conditions model compare favorably with observation of actual flooding, we will then modify the model to reflect fully developed conditions. DOWL will utilize the 2020 Bozeman Community Plan and input from City staff to guide the assumptions about future development within the City. We will use the results of the models of Existing Conditions and Future Conditions to identify flooding issues, storm drain capacity deficiencies, and areas of nuisance flooding, using criteria which will be established through the updated Storm Drainage Design Standards. This will provide an important opportunity for seamless cross-coordination between the facility planning efforts and development of the updated Storm Drainage Design Standards.
Existing Downtown Bozeman
Stormwater Model
DOWL has developed the existing City of Bozeman Stormwater modeling using Autodesk Storm & Sanitary Analysis program (SSA). This program is available with the licensing of Civil3D, which is an essential program for any size consultant firm. SSA is a robust modeling program that provides enhanced user inputs and output display, without "breaking the bank" with proprietary software that costs $10K to $20K plus annual maintenance charges.
We are experienced with a wide range of stormwater modeling software, including Innovyze InfoSWMM and can easily convert our current model into this platform, if desired.
City of Bozeman | 2021 Stormwater Facilities Plan Update 9
Alternatives Analysis
We will utilize the information obtained through our discussion with City staff of problem areas together with the results of our modeling to identify areas where stormwater mitigation is needed. It is anticipated that two to five alternatives for resolving the identified issues will be evaluated. We will discuss the proposed alternatives in a workshop meeting and make any adjustments needed before proceeding with the analysis. DOWL proposes to progress from the upper end of the drainage basin in defining potential storm drain improvements. It is important to start at the upstream end and progress downstream because storm drain improvements can have a cascading effect downstream. This is the case we are currently evaluating in downtown Bozeman related to the Alleyway Storm Drain Trunkline Rehabilitation project where recommended future replacement of upstream 8-inch to 10-inch storm drains to reduce gutter flows has the effect of conveying more flow subsurface to the downstream system. It’s important to understand this interrelationship in making recommendations for upgrades to the storm drainage system. Conversely, the introduction of regional detention storage or infiltration galleries also has a cascading effect, allowing for smaller storm drains downstream. Evaluating the legal access, existing capacity, and encroachment on to drainage courses will be key to defining the downstream storm runoff capacity limits of the study area. Throughout this process, we will coordinate closely with you through the completion of this task to make sure we stay “on the same page”. MMI will develop planning level cost estimates for the alternatives evaluated. Preliminary recommendations of the recommended plan will be presented to the City of Bozeman for review and feedback. This will be a key input in establishing the future capital improvement funding needs.
Peer Review
A key advantage of the consultant team we have assembled is that we each bring to the project slightly different expertise and local experience to evaluate the plan from multiple perspectives. As part of the peer review and quality assurance for this task, MMI will review the initial modeling parameters and assumptions, will assist in defining practical alternatives, and will review the model results and alternatives analysis for reasonableness.
Technical Memorandum
DOWL will develop a technical memorandum for Task 3 including the methodologies and results of the stormwater modeling, exhibits illustrating the identified issues and
nuisance flooding areas, a summary of the alternatives evaluated, detailed cost estimates, and recommendations for near-term and long-term capital improvement needs.
Task 4 – Regional Stormwater
Treatment
The objectives of this task align closely with other work we have recently completed. DOWL completed master planning, final design, and construction consultation for the SCA, a 66-acre conservation area in West Billings that provides flood control, stormwater treatment through constructed wetlands, and recreation opportunities for the community. The site included seven wetland cells ranging from deep cell to shallow cells to allow for a variety of plants. In addition, wetlands were planted on the edge of the detention ponds to provide additional treatment. DOWL also recently completed stormwater management planning for West Billings, with a focus on utilizing existing natural drainageways and agricultural drains as the primary drainage arteries for the area. The 37-square-mile contributing area ultimately drains to Hogan’s Slough which has constrained capacity due to the encroachment of development along its lower reaches prior to flowing into the Yellowstone River. Regional detention storage was a key part of the strategy guiding future stormwater management for this area. In addition to the detention storage provided by the SCA, additional up-basin storage opportunities were identified. Detention storage at the location where Birely Drain crosses the intersection of 62nd Street West and Rimrock Road was identified as a key to controlling the runoff from future development. DOWL completed final design and construction consultation of the “62nd Street Ponds” which utilize the existing agricultural drain as an outfall. The project enhanced the existing wetlands and provided detention storage through a series of four cascading ponds. This facility controls runoff for both the 10-year design storm and the 100-year major storm.
MMI has a first-hand understanding of the unique challenges that the development community faces in the western portion of the study area. Areas of shallow groundwater make siting effective stormwater ponds difficult. This coupled with an undocumented network of agricultural drains has led to some less than optimal stormwater facilities in this portion of the community. While multiple springs, drains, and creeks exist in the area, generally running south to north, the relatively flat topography between these features presents challenges in conveying
DOWL has recently completed similar stormwater master planning work including South Great Falls Stormwater Master Plan,
Hume Draw Watershed Storm Drainage Plan, North 27th Street Stormwater Master Plan, and Exposition Drive -1st Avenue North Stormwater Study.
SCA water control structure
City of Bozeman | 2021 Stormwater Facilities Plan Update 10
stormwater laterally to effective outfall locations. This on-the-ground experience, combined with hydrogeology expertise, knowledge of the irrigation ditch system, the owners, and resources to trace out the agricultural drains, will help the team in successfully locating workable sites for regional stormwater facilities.
Natural and Constructed Conveyance Systems
The many ditches and drains across the City of Bozeman will be important components to a successful stormwater facility plan. Figure 2 shows the contributing area and key drainageways and irrigation ditches within the Growth Area Boundary. Understanding the natural drainage patterns and how irrigation joins the natural drainages is an important aspect of determining if these natural or constructed conveyance systems have the capacity to be used for additional stormwater conveyance. As development continues in Bozeman, these existing drainageways and irrigation ditches provide a potential conveyance network to collect and transport storm runoff which will reduce the need for costly storm drain trunklines. One challenge to overcome with this approach is that these ditches and drains may still be used to carry irrigation supply and drain water. A plan for transitioning the function of these ditches from irrigation to storm drainage, as well as exploring opportunities for upgrading the existing ditch infrastructure to facilitate this shared function, will be important to the success of this approach.
Full-Buildout ConditionsDOWL will determine the configuration of required storm drains for planned arterial and collector streets within the study area. DOWL will review City of Bozeman plat maps and will use this resource, as well as input from City staff and our partners MMI, to document existing and proposed developments. This will include identifying planned future roadway alignments coupled with the future land-use classifications defined in the 2020 Community Plan. Stormwater modeling will be performed to evaluate full buildout conditions recognizing the limited capacity of the
downstream receiving drainageways. A baseline scenario will be evaluated which relies exclusively on individual post-construction stormwater facilities which discharge into the natural drainages. This baseline scenario will be compared to other alternatives which utilize regional stormwater facilities or a combination of small individual facilities and regional facilities.
Preliminary Locations of Regional Facilities
The location of regional facilities is dependent on the need, based on contributing runoff, the limiting capacity of the downstream outfall channels, and the availability of land for the facility. Figure 3 shows an example of a regional detention pond that could potentially serve to address an identified need with limited downstream capacity and an available site upstream. This particular example is upstream of our Manley Ditch Outfall Channel project. Other locations would target areas that are as yet undeveloped, to try to get ahead of development.
The location of regional facilities will be guided by existing land use, topography, site conditions, and land ownership. Other considerations we will use to select preliminary locations include:
Utilizing existing wetland areas that can be enhanced and used for stormwater treatment
Partnering with developers who are needing stormwater solutions
Identifying locations at or near the confluence of natural and/or constructed drainageways
Natural drainageway in Bozeman
Figure 2: Watershed and drainages through the growth area
boundary
DOWL’s recent regional stormwater planning and design experience in west Billings coupled with MMI’s on-the-ground knowledge of west Bozeman will be important in providing you with sustainable regional stormwater solutions.
City of Bozeman | 2021 Stormwater Facilities Plan Update 11
Identifying locations with high water table but with adequate above-water storage potential for development of wet ponds or constructed wetlands
Incorporating regional facilities into planned open space or parks
A preliminary review of potential locations will be performed to prioritize sites for further consideration. This review will include the contributing area, topographic storage potential, and identified construction challenges.
Sizing of Regional Facilities
The preferred locations for regional facilities will be analyzed in the stormwater model to determine the required size and storage capacity based on the contributing runoff from upstream, under fully developed future conditions. Conceptual layouts of the facilities on the available land parcels will be developed to assess whether the site can meet the storage needs or if the site can be joined in series with other sites to accomplish the objectives. Recommendations for discharge structures that will provide appropriate levels of control under both current conditions as well as future fully developed condition will be provided.
Assess Feasibility for Wetland Treatment
DOWL will take the lead in evaluating the potential for each regional facility for wetland water quality treatment. This will include an evaluation of whether there is a sustainable water source to allow for wetland plant growth. Many of these natural drainages in west Bozeman collect excess irrigation water and generally flow through the growing season. The high water table in the area provides another source of sustainable water supply. The soils will also be reviewed for compatibility for growing the diverse variety of wetland plantings for a sustainable wetland that provides effective water quality treatment.
Cost Estimates
In order to have a successful capital improvement program, it is important to have accurate budget information. The team will draw on cost data from their combined experience with similar projects to arrive at accurate estimates for the Bozeman area. It will be critical to include all project costs and as such, we will include representative land acquisition costs based on our recent experience.
Financing Models for Regional Stormwater Facilities
There are a number of options for funding regional stormwater facilities including the following:
Rate funding. Rates can be increased citywide or calculated to apply only in the area served by the regional facility
Bond (debt) funding. Utilizing a second funding source to pay debt service
Impact fees / SDCs. These one-time fees can be calculated to apply citywide or only in the area served by the regional facility
Fees in lieu of on-site detention. These voluntary fees are paid as an alternative to meeting on-site requirements, and the proceeds can be earmarked for regional facilities
Grant/special loan program funding. Grants and loans can be used to directly reduce the funding burden to your customers
Latecomer (reimbursement) agreements. This approach requires a private partner willing to fund a portion of the regional facility cost
Additional details of our plan for evaluating funding options for the City’s expanded Stormwater Program is provided in Task 1A.
Technical Memorandum
DOWL, MMI, and FCS will coordinate in the development of a technical memorandum summarizing the evaluation of potential regional stormwater treatment sites, their potential for wetland treatment and incorporation into planned green space or parks, the estimated costs, and potential financial models.
Shiloh Conservation Area Wetland Cell 4
Figure 3: Potential regional detention facility
City of Bozeman | 2021 Stormwater Facilities Plan Update 12
Task 5 – Additional Stormwater Utility
Funding Recommendation and
Maintenance Asset Classes
Our team is experienced in asset management and making recommendations on appropriate asset classes. DOWL and FCS GROUP are currently assisting the City of Billings on a stormwater utility rate study, and as part of the Phase I work, we are making recommendations on a Culvert Maintenance and Replacement Program for the important stormwater asset management classes. In addition, over the last fifteen years, DOWL has completed numerous condition assessments of irrigation projects and worked with the Department of Interior in developing the asset management system that is now used in managing assets across all of BIA's Irrigation Projects in the western U.S. The system utilizes three key metrics to establish the rehabilitation priority: 1) the Asset Priority Index (API) which is a measure of the importance of the asset to the overall mission of the project (i.e. how many acres does it serve); 2) the Facility Condition Index (FCI) which is a measure of the relative condition of the asset; and 3)the Rehabilitation Priority Index (RPI) which combines the importance and the condition of the asset in establishing its overall rehabilitation priority ranking. The FCS GROUP has also been involved in developing and reviewing stormwater asset management programs over the last decade and will provide valuable assistance on this task.
Recommendations for a Culvert Maintenance and Replacement Program
DOWL will perform an aerial assessment for representative areas within the City to assess the completeness of the current dataset of culverts identified within the gravity storm drain layer. Unidentified culverts in these representative areas will be surveyed and assessed for condition by MMI. Based on the review of the representative areas, we will be able to make projections of the level of effort to fully populate the culverts dataset and will provide recommendations for a Culvert Maintenance and Replacement Program to be incorporated into your current Stormwater Program. This will include recommendation for condition assessment criteria, prioritization, inspection and maintenance frequencies, and asset management database schema.
Develop Asset Management Program for Natural and Constructed Drainageways
Similar to the culvert program, DOWL and FCS will provide recommendations for program development and can assist in developing the asset management system including database development and completing the inventory and conditions assessment. This will include:
Database schema
Existing drainageway inventory
Condition assessment criteria
Legal public access for inspection and maintenance assessment
Aerial inventory of existing visible encroachments or obstructions
Inspections and maintenance recommendations.
Funding Sources and Funding Levels
The FCS GROUP will identify potential funding sources and the approach to establishing the appropriate funding levels for stormwater infrastructure associated with City-administered street projects, the culvert maintenance and replacement asset management program, and the natural and constructed drainageways asset management program (see Task 1A for details).
Technical Memorandum
A technical memorandum will be developed summarizing the culvert maintenance and replacement program, the asset management program for natural and constructed drainageways, as well as potential funding solutions.
Asset Management for BIA Irrigation Project Infrastructure
DOWL is experienced in developing geodatabases that work directly with the ArcCollector app that could be used by summer interns and engineers to efficiently collect the required data for culverts and
natural and constructed drainageways.
City of Bozeman | 2021 Stormwater Facilities Plan Update 13
Task 6 – Stormwater Utility
CIP Recommendations
Much has changed since the 2008 Stormwater Facility Plan was developed. With the continued explosive growth, there is the need to not only address existing capacity issues, but to proactively address the stormwater needs in the areas where development has not yet occurred, primarily in west Bozeman.
Prioritization of Capital Improvement Projects
DOWL will utilize a 15-year planning horizon in prioritizing recommended capital improvement projects. We will work closely with you to forecast how development will progress into the future both in the near term (within 5 years), mid term (5 to 10 years), and longer term (10 to 15 years). The capital improvement projects would be prioritized based on a number of factors including the contributing area served by the storm drainage facility, the existence or severity of existing drainage problems (i.e. frequent ponding and flooding), the existence and severity of identified system deficiencies (i.e. constrictions to system capacity), the cost of the project, and the anticipated time frame for future development. We will work closely with you in establishing the final set of evaluation factors. A priority value will be assigned to each identified capital improvement project which could also be assigned to the feature class in the storm drain GIS. This information will be used to graphically illustrate the priority levels of the recommended improvements. The results of the initial prioritization will be reviewed with City staff to verify the reasonableness of the final results.
Funding Solutions
Findings from the review of the City’s current stormwater utility rate structure, recommendations for modifications to the rate policy, and other potential funding sources will be addressed under Task 1A.
Technical Memorandum
A technical memorandum will be developed summarizing the prioritization of the identified capital improvement projects. Funding recommendations and other funding sources associated with the capital improvement plan will be included in Task 1A.
Task 7 – 2021 Stormwater
Facilities Plan Update
DOWL has completed a wide range of facility plans. A key element of a successful plan is a well-organized and well-written final report. DOWL will develop the 2021 Stormwater Facilities Plan Update with these goals top of mind. The report will include a clear table of contents, lists of charts, tables, and figures and an executive summary. Key figures will
be developed to help communicate proposed alternatives similar to Figure 4 which is an exhibit from our Hume Draw Watershed Drainage Plan for the City of Sheridan, Wyoming. The report will be published both in hard copy format as well as a searchable PDF with bookmarks and hyperlinks for ease of navigation. In addition to the report, we will provide the supporting electronic deliverables including the ArcGIS database of the capital improvement projects, Google Earth KMZ of the capital improvement plan, and supporting data including survey points files and photos.
On the Billings North 27th Street Stormwater Study, we provided the results of our stormwater
modeling in the form of a Google Earth KMZ.
This proved helpful in communicating the results including water surface elevations and flows at different flood frequencies and helped to facilitate an effective review.
Google Earth KMZ screenshot of Billings North 27th Street Stormwater
Model
Figure 4: Hume Draw alterntive analysis exhibit
City of Bozeman | 2021 Stormwater Facilities Plan Update 14
Data Collection
Jon Wilkinson, PLSMMI
Modeling Capacity
Deficiencies & Alternative
Analysis
Greg Gabel, PE, CFM DOWL
Paul Yakawich, PE DOWL
Anthony Keene, EI DOWL
Adam Zwemke, PE DOWL
Logan Rice, EI DOWL
Jeff Olsson, PE, TSP DOWL
Groundwater Jim Potts, EIT DOWL Pat Eller, PG MMI
Regional Stormwater FacilitiesGreg Gabel PE, CFM DOWL
Wade Irion, PE DOWL
Paul Yakawich, PE DOWL
Adam Zwemke, PE DOWL
Logan Rice, EI DOWL
James Nickelson, PE MMI
Mike Hickman, PE MMI
Kevin Jacobsen, PE MMI
Cost Estimating
Brad Hammerquist, PE MMI
Mike Hickman, PE MMI
Peer Review
James Nickelson, PE MMI
Molly Davidson, PE MMI
Kayla Mehrens, Stormwater Program Coordinator
Wade Irion, PE DOWL
Principal-in-Charge Greg Gabel, PE, CFM DOWL
Project Manager
Stormwater Planning & CIP Asset
Management
Culvert Maintenance
& Replacement Program
Greg Gabel, PE, CFM DOWL
Wade Irion, PE DOWL Paul Yakawich, PE DOWL
Logan Rice, EI DOWL
Jeff Olsson, PE, TSP DOWL
Natural & Constructed
Drainages
Greg Gabel, PE, CFM DOWL
Wade Irion, PE DOWL
Paul Yakawich, PE DOWL
Logan Rice, EI DOWL
Jeff Olsson, PE, TSP DOWL
Peer Review
James Nickelson, PE MMI
Molly Davidson, PE MMI
Stormwater Programs
for Other Progressive
Communities
Private Facility InspectionJohn Ghilarducci FCS Tage Aaker FCS
Funding Mechanism
John Ghilarducci FCS
Tage Aaker FCS
$
Recommended
Funding Strategy
Stormwater Utility Rate
John Ghilarducci FCS
Tage Aaker FCS
Other Funding SourcesJohn Ghilarducci FCS Tage Aaker FCS
Financing Options
John Ghilarducci FCS
Tage Aaker FCS
Bozeman Office Personnel
Paul Yakawich, PE DOWL
Assistant Project Manager
MANAGEMENT APPROACH
DOWL’s charter is to operate with inspiration, integrity, innovation, and inclusion. We define integrity as honesty and quality work that builds successful relationships. Meeting our client’s project needs is priority one at DOWL. This requires processes; which is why we established our Operational Excellence (OpEx) Project Delivery System. Delivering exemplary professional service is essential to maintaining the trust and confidence of our clients and is the driving philosophy behind our Management Approach on all projects. OpEx provides detailed procedures for Project Management from project inception through final close-out. DOWL recently received ISO 9001 certification for our OpEx Project Delivery system, which means we have an externally audited project management program that meets the stringent requirements of the ISO quality standards. What this means to you is we have engrained expectations within our project managers to deliver excellence in our work products and service.
A Project Management Plan (PMP) is developed for each of our projects. The PMP is important to planning projects and highlights client expectations, key success factors, project challenges, team member's roles, deliverables, scope of work, budget, and schedule. The PMP also includes a quality management plan (QMP) which includes assignment of review responsibilities.
The organizational chart showing the roles of each member of our proposed team for the 2021 Stormwater Facilities Plan Update is provided below. This is your project and we will maintain close coordination with Kayla Mehrens, Stormwater Program Coordinator throughout, with regularly scheduled status update meetings and work sessions to make sure the project stays aligned with your vision and direction. Greg Gabel will serve as the Project Manager and will be the primary point of contact and will direct the workflow of the entire team, being ultimately responsible for successfully delivering the Facility Plan to meet your expectations. Greg will rely on Paul Yakawich as an assistant project manager to assist with some of the day-to-day internal activities. Wade Irion will serve as the Principal-in-Charge providing general oversight and direction and will also provide seamless cross-coordination with our on-going work on the Stormwater On-Call Services contract and our work in updating the City’s Storm Drainage Design Standards and Specifications. MMI will bring their on-the-ground understanding of the challenges and feasible solutions developed over their decades of work in Bozeman, including on the 2008 Stormwater Facilities Plan. They will also provide valuable field data collection, groundwater capabilities, cost estimating expertise and peer reviews, based on this local knowledge. The FCS GROUP will bring their extensive background and knowledge of stormwater programs and funding mechanisms for other similar communities throughout the western U.S. A complete list of our proposed team members and their roles is included in the Organizational Chart. Resumes are provided at the back.Attachment B - Resumes
City of Bozeman | 2021 Stormwater Facilities Plan Update 15
STAFF QUALIFICATIONS
The following individuals will be key contributors in getting the 2021 Stormwater Facility Plan Update across the finish line.
Greg is DOWL’s Drainage and River System sub-practice area lead which includes stormwater planning and design projects. He has over 17 years of water resources experience performing hydrologic and hydraulic analyses and design including stormwater studies and design, bridge and highway drainage design, irrigation assessment and design, and flood studies. Greg has managed and designed many stormwater projects including the Shiloh Conservation Area, West Billings Stormwater Development Plan, the 62nd Street Ponds project, Talen Energy CCR Planning Study, and is currently overseeing the modeling for the City of Bozeman Downtown Trunkline Improvements.
Greg's Specific Qualifications for this Project:
■Project Manager for numerous stormwater and hydraulic design projects
■Provides relevant planning and design experience including stormwater modeling, regional stormwater treatment experience, and capital improvement plans
■Thorough knowledge of the City of Bozeman storm drain systems and capacity limitations
Wade is the lead of DOWL’s Water Practice Area and specializes in stormwater planning and design. Wade has 35 years of hydrology and hydraulics experience including hydraulic design of bridges, highway drainage design, urban storm drainage planning and design, irrigation design, and stream stability and restoration design. Wade currently serves as the contract manager for our on-going City of Bozeman Stormwater On-Call services, will be managing the updates to the City of Bozeman Stormwater Design Standards and Specifications in partnership with MMI, and will be the thread that helps seamlessly stitch these various efforts together.
Wade's Specific Qualifications for this Project:
■Principal in Charge providing general oversight and guidance on project direction based on his local knowledge and years of experience
■Senior reviewer responsible for overseeing quality assurance and quality control to make sure we are delivering to you a quality Stormwater Facility Plan
■Provides consistency across City of Bozeman Stormwater On-call design projects, updates to the Stormwater Design Standards and Specifications, and planning to meet future stormwater facility needs of the City
Paul has 15 years of progressive experience in planning, design, and construction oversight of a wide range of municipal, stormwater, and utility engineering projects. His responsibilities and experience include master planning, water/wastewater facility/distribution system design and rehabilitation, hydraulic modeling, capacity analysis, land application of wastewater systems, stormwater analysis and design, site design, production of construction drawings, and bid documents and specifications. Paul understands utilities and uses that knowledge to provide successful stormwater designs.
Paul's Specific Qualifications for this Project:
■Serve as an assistant project manager to provide another local point of contact
■Paul will be a primary author, lead design/planning engineer
■Brings key institutional knowledge to the facility plan with his 21-years of living and working in the Gallatin Valley
Anthony is a water resources engineer in DOWL’s Bozeman office. Anthony assists DOWL’s water practice team across a wide range of projects including hydrologic and hydraulic modeling, stormwater and drainage design, dam design, and construction management.
Anthony's Specific Qualifications for this Project:
■Over four years of experience with hydrologic and hydraulic evaluations
■Stormwater experience specifically for the City of Bozeman, which includes stormwater analyses for the downtown trunkline improvements and design analyses and construction coordination for the Westridge treatment structure project
■Local, working knowledge of Bozeman
Greg Gabel, P.E., CFM
Project Manager
Wade Irion, P.E.
Prinicipal-in-Charge
Paul Yakawich, P.E.
Project Engineer
Anthony Keene, E.I.
Stormwater Modeler
City of Bozeman | 2021 Stormwater Facilities Plan Update 16
James has worked for and with the City of Bozeman for over 25 years and brings a wide-range of municipal infrastructure and land development experience to the team. His understanding of the City’s current regulations, the regulations application in practice, and the resulting long-term issues and concerns bring a unique perspective to the team.
James' Specific Qualifications for this Project:
■Project Manager for the 2008 City of Bozeman Stormwater Facilities Plan ■Understands land development processes in the City of Bozeman
Mike was the primary author for the Existing System Inventory and System Analysis chapters of the 2008 City of Bozeman Storm Water Facilities Plan. He brings experience from a number of stormwater facility planning projects as well as numerous subdivision and site storm drainage projects.
Mike's Specific Qualifications for this Project:
■39 years of stormwater and site development experience ■Design of numerous stormwater facilities within the City of Bozeman
Kevin has over 20 years of experience working on land development and infrastructure projects in Montana. His experience working on the City of Bozeman stormwater regulations in conjunction with his work in other Montana communities and applying their stormwater regulations, will bring valuable insights to the team.
Kevin's Specific Qualifications for this Project:
■Local knowledge of development constraints ■Site and subdivision stormwater design experience
James Nickelson, P.E.
Project Engineer
Mike Hickman, P.E.
Stormwater Project Engineer
Kevin Jacobsen, P.E.
Development Project Engineer
Molly has over 20 years of water resource experience in Montana. Her experience includes storm drainage planning, stormwater modeling, and development of capital improvement plans. Molly’s background includes assisting communities in obtaining grant funds for a variety of water resource projects which will be important in her peer review capacity.
Molly's Specific Qualifications for this Project:
■City of Missoula Stormwater Facility and Operations Plan ■City of Sidney Stormwater Master Plan ■Highway and site stormwater design
John is president of FCS GROUP, with 32 years of professional experience focusing on all aspects of utility rate studies and formations, as well as impact fees / system development charges (SDCs) -- from policy and technical analysis to public involvement, ordinance drafting and implementation. He has formed almost thirty stormwater and transportation utilities and has developed water, sewer, stormwater, transportation and parks rates and charges for more than one hundred clients.
John's Specific Qualifications for this Project:
■Expertise in Financial Modeling and Forecasting ■Currently Working on the City of Billings Stormwater Utility Rate Study ■Developed the Updated Stormwater Utility Rate for Missoula, MT
Tage is a FCS GROUP project manager with nine years of consulting experience in utility rate studies, rate modeling, utility valuations, government fee development, cost recovery programs, and economic analysis for clients in Washington, Oregon, Nevada, Montana, Alaska, California and Canada.
Tage's Specific Qualifications for this Project:
■Currently Working on the City of Billings Stormwater Utility Rate Study ■Knowledge in community’s stormwater programs ■Stormwater comparative research
Molly Davidson, P.E.
Project Engineer
John Ghilarducci
Stormwater Funding Specialist
Tage Aaker
Stormwater Funding Specialist
City of Bozeman | 2021 Stormwater Facilities Plan Update 17
The DOWL/MMI/FCS GROUP team has been actively involved in stormwater management in Bozeman and throughout the western U.S. for decades. The following are brief descriptions for a sampling of our related experience on similar projects to highlight:
Our knowledge of the stormwater management challenges in Bozeman
Our recent experience addressing very similar challenges in other communities
Our experience developing large-scale stormwater models to guide stormwater planning and CIPs
Our experience in planning, designing, and overseeing construction of regional stormwater facilities
Our knowledge of the Stormwater Management Programs for a variety of other communities
Our experience in developing funding models to address stormwater funding needs
RELATED EXPERIENCE ON SIMILAR PROJECTS
MMI served a significant role in preparing a comprehensive stormwater facilities plan for the City of Bozeman. The goals of the project were to provide an inventory of the existing facilities, review and analyze known problem areas, provide recommendations for future growth, review the MS4 discharge permit, and make recommendations for future actions for permit compliance. In addition, we evaluated historic funding and made recommendations for implementing improved funding mechanisms. Many of the recommendations from the plan have now been implemented resulting in the City of Bozeman having a funded stormwater utility, with funding, to improve water quality and to comply with the MS4 Permit requirements.
CURRENT AND PROJECTED WORKLOADWe have evaluated our current and projected workload over the next two years. We are currently wrapping up several projects over the next two to three months including some City of Bozeman projects and see our workload rapidly declining in subsequent months. With only a few long-term projects under contract, our team will have ample capacity to meet your project needs. The following chart shows the project team's availability over the next two years to focus on your 2021 Facilities Plan Update.
Bozeman Stormwater Facilities
Plan - 2008
Client: City of Bozeman
CURRENT STAFF AVAILABILITY
2021-2022
40%
50%
40%
50%55%
70%
50%
60%
40%
50%
30%
50%
40%
50%
40%
50%
40%
50%50%
60%
40%
50%
Greg Gabel WadeIrion
Paul Yakawich Anthony Keene Logan Rice John GhilarducciJames Nickelson Mike Hickman Kevin Jacobsen Molly Davidson Tage Aaker
2021 2022
City of Bozeman | 2021 Stormwater Facilities Plan Update 18
DOWL was retained by the City of Billings to complete astormwater management plan for the West Billings studyarea which encompasses roughly 13,200 acres (21 mi2)and when combined with the offsite drainage totals 23,500acres (37 mi2). DOWL worked closely with the City ofBillings and Yellowstone County planners to project futureland use and developed a plan for the primary drainagenetwork that works with natural drainage courses. The project included developing a comprehensive stormwater model of future build-out as well as an analysis of historical precipitations records, to calibrate the model to actual storm events. DOWL evaluated numerous alternative drainage systems including storm drain conveyances systems, open ditch systems, and large regional detention/water quality treatment facilities. Our recommended plan utilizes the existing natural and agricultural drainage systems and includes the creation of a special drainage district that limits discharge from new developments to 1 cfs per 10 acres. Regional detention/water quality treatment facilities are recommended along key drainages to limit runoff. The final report currently serves as a roadmap to guide stormwater development improvements. Two of the regional facilities (Shiloh Conservation Area and the 62nd Street Ponds) have now been constructed and one of the key conveyance links is currently in final design.
Morrison-Maierle assisted the City of Missoula in preparing a guidance document for the newly formed Storm Water Utility that was created in September 2016. The Utility and engineering services were foundational to achieving MS4 permit compliance. An evaluation of the existing and future staffing needs of the Utility was conducted, and a Utility operations and management plan, and a preliminary capital improvements plan were prepared. The information and costs presented in the Plan assisted the City in planning for operational and organizational needs of the Utility and setting near-term infrastructure improvement priorities. This report focused on near-term priorities for operational
needs of the Storm Water Utility and capital infrastructure improvements to the storm water system over a five-year period from 2019 through 2023.
FCS GROUP as a part of another contract assisted the City of Missoula with a comprehensive modernization of its stormwater funding approach using MMI’s City of Missoula Stormwater Facility and Operation Plan. The City had been charging very low stormwater rates per account. Although the rates differed for residential and non-residential customers, they did not reflect a parcel-specific measure of the need for or benefit from stormwater services provided by the City. With the help of City staff, FCS GROUP developed a rate structure based in part on vehicle trip generation by land use. The City requires new development to fully mitigate its own stormwater impacts onsite, so the City primarily manages runoff generated by City streets. As an NPDES (through the State of Montana) Phase II permittee, the City stormwater program is of course focused on water quality and vehicle traffic is responsible for a substantial portion of pollutant loads – hence the nexus with the trip generation rate basis. The proposed rate and updated rate structure were adopted in December 2019. Rate revenues are expected to increase from $275,000 in 2019 to $1.2 million in 2020 as a result of the changes. FCS GROUP supported the City from the initial policy and analytical stages of the project through Council presentations and public outreach.
The City of Coeur d’Alene is the largest city in Northern Idaho and has experienced significant growth in the past 20 years now with a population of 52,000. FCS GROUP performed a comprehensive stormwater rate structure study for the City of Coeur d’Alene after the Idaho State Supreme Court ruled that the stormwater rate in Lewiston was an illegal tax. Coeur d’Alene took the lead in trying to craft a defensible fee with FCS GROUP’s assistance. All recommendations were adopted. To date, there have been no challenges to the resulting approach, which includes area-specific rates (2 areas or zones), charges for impervious surface area that drains to the public system, and a restated emphasis on the regulatory nature of the program. Previously, in 2004, FCS GROUP also led the formation of the stormwater utility, participating in an exhaustive public process and calculating initial rates and charges.
WO 16-14 West Billings
Stormwater Development Plan
Client: City of Billings
Encroachment Issue
Encroachment Issue
Encroachment Issue
Encroachment Issue
Encroachment Issue
Encroachment Issue
Encroachment Issue
Encroachment Issue
Encroachment Issue
Encroachment Issue Encroachment Issue
Encroachment Issue
Source: Esri, DigitalGlobe, GeoEye, Earthstar Geographics, CNES/Airbus DS, USDA, USGS,AeroGRID, IGN, and the GIS User Community
LegendBirely Drain Hogan's Slough
Ü02,000 4,0001,000 Feet
Birely DrainageMaintenance Access Limits
DDOOWWLL HHKKMM
\\BIL-FS\BIL-projects\36\21263-01\60GIS\Water\Exhibits\Birely Drain\WestBillingsSW_BirelyDrain_Maintenance.mxd 3/30/2017
Encroachment Issue
* 30' Easement on Each Side of Birely Drain
Coeur d'Alene Stormwater Utility
Formation and Rate Study
Client: City of Coeur d'AleneCity of Missoula Stormwater
Facility and Operation Plan/
Stormwater Rate Study
Client: City of Missoula
City of Bozeman | 2021 Stormwater Facilities Plan Update 19
The Shiloh Conservation Area (SCA), located on the west end of Billings, transformed an undeveloped 66-acre site into a conservation area providing water quality treatment, stormwater detention, and recreational opportunities. The site is located at the confluence of Hogan Slough and the Shiloh Agricultural Drain, the two large drainages that collect the majority of the runoff west of Shiloh Road. A primary goal of the project is to improve water quality through pre-sedimentation basins, open water ponds, and treatment wetlands. The conservation area also provides storm runoff control through a series of detention ponds and provides recreation benefits including fishing ponds and trails for use by the community. The project was the first of its kind for the City of Billings and provided cost-effective solutions to the community’s multiple goals of providing stormwater treatment, flood control, and recreational opportunities.
For decades, Morrison-Maierle has assisted numerous developers in planning, design, and construction of their projects in the City of Bozeman. In this capacity, we have had the opportunity to gain hands-on experience with your current stormwater regulations. We have gained an understanding of how to design a project to meet the regulations while allowing for successful developments. Through this long tenure, we can point to some very successful stormwater projects and have gained insight into what works and what doesn’t as it relates to design approaches and long-term maintenance. Some of the projects we have worked on include Valley West, Bozeman Gateway, Stoneridge, Bridger Peaks, Gallatin Center, Sundance Springs, Bridger Creek, and Nelson Meadows.
The Lakes at Valley West
January 2018
Planned Unit Development: Phase 5 & 6 Preliminary
DOWL was tasked by MDT to develop a stormwater model for a fully-developed 3,000-acre area that runs through downtown Billings and outfalls into the North Branch of Yegen Drain. The model is used to assess the performance of the existing drainage system, evaluate potential stormwater improvements, and quantify potential impacts to the downstream stormwater system from upstream improvements. DOWL calibrated the existing conditions stormwater model to four different recorded and observed rainfall events. Eleven potential stormwater management alternatives were presented to MDT to better collect and detain surface runoff along the North 27th Street roadway corridor, while creating no flooding impacts to the downstream system. DOWL worked closely with MDT, the City of Billings, Billings Clinic and their site development consultant to evaluate localized improvements proposed by Billings Clinic to make sure they were in sync with the stormwater plans to meet the needs of the community.
The FCS GROUP and DOWL were retained by the City of Billings to complete a stormwater utility rate study. Phase I of the study, which is now being completed, includes reviewing the existing storm drainage system to identify deferred maintenance and replacement needs, reviewing the current operation and maintenance program, updating the capital improvement needs and priorities, flood protection and risk assessment, reviewing the current regulatory compliance process, and administration and management of the stormwater program. The study also includes research of comparable programs for similar communities in establishing recommendations for an updated framework for the City’s Stormwater Program. Funding levels and funding mechanisms for a range of service levels will be provided. Phase II will include additional evaluations to refine the estimates of the required levels of funding and the associated stormwater utility rate. DOWL is currently reviewing past master planning efforts and working closely with City staff to prioritize current needs in developing an updated Stormwater CIP.
City of Billings Stormwater Utility
Rate Study
Client: City of Billings
North 27th Street Stormwater
Evaluation, Billings
Client: MDT
City of Bozeman Land
Development
Client: Various
Shiloh Conservation Area
Client: City of Billings
City of Bozeman | 2021 Stormwater Facilities Plan Update 20
The following schedule is a generalized representation assuming a one-year duration for the project. Our team is aware that this project may be completed in a phased approach and there will likely be changes to the scope of work and schedule. Our team will work closely with you on the scope and schedule whether it is to accelerate tasks assignments or to phase the tasks to better meet your available funding.
PROPOSED SCHEDULE
ATTACHMENT A
NON-DISCRIMINATION
AFFIRMATION FORM
ATTACHMENT B
KEY PERSONNEL RESUMES
iCity of Bozeman | 2021 Stormwater Facilities Plan Update
FirmDOWL
EducationBachelor of Science Civil EngineeringMontana State University2002
LicensesMontana #15708 2007/Professional Engineer
2017/Certified Floodplain Manager
Years of Experience16
Training2D Hydraulic Modeling Training
Center Pivot Design, Short Course
Floodplain Hydraulic Using HEC-RAS, Short Course
NHI - Culvert Design Course
NHI -Hydraulic Design of Safe Bridges
NHI-HEC-RAS, River Analysis System, Short Course
GREGORY D. GABEL, PE, CFM
Senior Water Resource EngineerGreg leads DOWL’s drainage and river systems group and is a Certified Floodplain Manager (CFM) intimately familiar with Federal Emergency Management Agency (FEMA) regulations. Greg has successfully performed hydrologic and hydraulic analyses including urban storm drainage planning and design, bridge opening design, highway drainage design, irrigation design, bridge scour analysis, stream stabilization design, flood damage assessment, and obtaining floodplain permits. Greg is familiar with a variety of hydrologic and hydraulic modeling programs including HEC-RAS, HEC-HMS, EPA SWMM, Geo-HEC-RAS, Autodesk Sanitary and Storm Analysis Program, and HY-8 Culvert Analysis Program.
Professional Experience
WO 16-14 West Billings Stormwater Development Plan
Billings, Montana
West Billings continues to experience accelerated growth in comparison to most other parts of the City. Lacking dedicated storm drainage infrastructure, irrigation ditches and agricultural drains currently serve as an integral part of the storm drainage system. A critical need existed for a comprehensive stormwater management plan to guide development and infrastructure improvements into the future. A variety of alternatives were considered consisted of various combinations of on-site runoff control, regional detention storage facilities and conveyance improvements to the existing drains. Greg was project engineer responsible for the senior oversight on the stormwater development, close coordination with the Birely Drain, determine key drainage scenarios to model, and performed a detailed precipitation analysis to determine actual storm events that have occurred in Billings from 1946 to 2016.
Bozeman Downtown Stormwater Mains RehabilitationBozeman, Montana
The City of Bozeman contracted with DOWL to complete a multi-task stormwater evaluation related to the City Downtown stormwater basin. The project consists of an in-depth precipitation analysis, rehabilitation alternative analysis of the downtown stormwater conveyance trunkline, and a hydraulic analysis of the downtown stormwater basin. The hydraulic analysis evaluated the downtown stormwater basin with rehabilitation recommendations and provided alternatives for increasing stormwater conveyance capacity through pipe replacement, infiltration galleries, and offloading. Greg was the lead engineer responsible for guiding and reviewing the stormwater modeling and analysis of the downtown storm drain system. This included reviewing different lining options for the alleyway storm system and looking at up-system improvements including infiltration galleries to reduce over surcharging of the system.
North 27th Street Stormwater Master PlanBillings, Montana
DOWL was tasked by the MDT to develop a stormwater model for approximately 3,000 acres fully developed drainage area that is conveyed through downtown Billings into the North Branch of Yegen Drain. The model is used to assess the performance of the existing drainage system, evaluate potential stormwater improvements and quantify potential impacts to the downstream stormwater system. DOWL worked closely with MDT, the City of Billings, Billings Clinic and their consultant to evaluate proposed Billings Clinic improvements to make sure their proposed system was in the best interest for all. Greg was the project manager and worked closely with MDT, City of Billings, and Billings Clinic to meet objectives of all parties.
WO 17-26 62nd/Rimrock Detention PondBillings, Montana
This project consisted of the final design and construction administration of a regional detention pond for the City of Billings located at the southwest corner of Rimrock Road and 62nd Street West. This facility includes four ponds with discharge structure to store and restrict runoff from Cove Creek overflow and adjacent developments. Adjacent developments worked with the City of Billings
iiCity of Bozeman | 2021 Stormwater Facilities Plan Update
to utilize this facility in lieu of their on-site requirements. Greg was lead design engineer responsible for QA/QC of the stormwater models and development of the construction plan and project manual.Greg worked with the City of Billings to assist in various construction administration tasks including reviewing submittals and on-site field visits.
Shiloh Conservation Area Planning and Design Billings, Montana
DOWL was retained by the City of Billings to assist in the design and development of the 66-acre Shiloh Conservation Area in west Billings. The design of Shiloh Conservation Area balances the objectives of water quality improvement, flood control, and community recreational benefits. This was accomplished through a series of wetlands and open water features which function to trap sediment, remove nutrients from the water column, provide secondary flood detention, and provide recreational and aesthetic opportunities. Greg was the project engineer responsible for the hydraulic evaluation and design.
Manley Ditch RehabilitationBozeman, Montana
This project was to remove the seal from the pipe crossing and establish a stormwater outfall ditch to convey stormwater to the Cherry River Fishing Access site operated by Montana Fish Wildlife and Parks. DOWL provided final design, environmental permitting, construction drawings, and construction assistance to restore the Manley Ditch as a stormwater conveyance outfall, while also incorporating sediment collection for water quality treatment along the length of this new ditch through a term contract with the City. Greg guided the design engineer in the final design of the ditch sizing and alignment including the design of the drop structures. Greg also assisted in development of the project manual, quantities, and provided QA/QC review on final construction plans.
WO 16-05 Central Avenue ImprovementsBillings, Montana
The City of Billings contracted DOWL to reconstruct a 1-mile stretch of Central Avenue from 32nd Street West to Shiloh Road. The design included roadway widening, storm drain improvements, water main extensions, and sanitary sewer rehabilitation. DOWL also assisted the City with construction administration and staking in all aspects of the construction. Greg is the storm drainage lead engineer for this project and has been working with other design engineers to determine ways to effectively worked hand-in-hand with the City to design an underground storage tank to prevent future flooding. Central Avenue and find ways to treat the water quality event.
Bozeman Stormwater Improvement ProjectsBozeman, Montana
As part of the City of Bozeman’s Stormwater Treatment Improvement Term Contract, DOWL was selected to perform the design and construction administration support for four water quality treatment devices located in downtown Bozeman. DOWL performed the design of a hydrodynamic separator treatment devices along existing storm drains including the 18-inch RCP storm drain on North 3rd Avenue, the 20-inch RCP storm drain on North Grand Avenue, 12-inch clay tile storm drain on North Wilson Avenue, and the 18-inch RCP storm drain on North Tracy Avenue. Greg worked closely with the design team on issues and provided a QC review of the construction plans and hydrologic and hydraulic calculations.
NHI-Hydrologic Analysis and Modeling with WMS, Short Course
NHI-River Engineering for Highway Encroachments, Short Course
NHI-Two-Dimensional Hydraulic Modeling of Rivers at Highway Encroachments
Storm Water Management During Construction
Storm Water Pollution Prevention Plans Preparer Training Course
Subsurface Flow Gravel Wetlands
GREGORY D. GABEL, PE, CFM
iiiCity of Bozeman | 2021 Stormwater Facilities Plan Update
FirmDOWL
EducationBachelor of Science Civil EngineeringMontana State University1985
Master of Science Civil Engineering University of Colorado 1988
LicensesMontana #8346 1990/Professional Engineer
Oregon #95304 2019/Professional Engineer
Wyoming #PE9349 2001/Professional Engineer
Years of Experience35
Professional
AffiliationsAmerican Society of Civil Engineers
WADE IRION, PE
Senior Stormwater EngineerWade is DOWL’s Water Practice Lead and has over 35 years of experience as a water resources engineer performing hydrologic and hydraulic analyses and designs including flood studies, storm drainage studies and design, irrigation system design, bridge and highway drainage design, river basin water availability modeling, Federal Reserve water rights work, and hydraulic structure design. Wade has managed a variety of water resource projects requiring orchestration of multiple tasks and disciplines.
Professional Experience
City of Bozeman On-Call Stormwater ServicesBozeman, Montana
DOWL is providing stormwater planning and design services for a variety of projects across the City of Bozeman. On-going projects include final design, environmental permitting and construction drawings for rehabilitation of Manley Ditch as a stormwater conveyance outfall, construction of a new water quality treatment facility on Westridge Drive, and rehabilitation and expansion of the downtown storm sewer system. Wade serves as the primary point of contact and provides oversight and direction for all projects.
MDT Hydraulics & Hydrology Term Contract Projects
Various Locations, Montana
Wade is the principal engineer providing oversight and direction for hydraulic evaluations of numerous replacement bridges across the State of Montana as well as design of replacement drainage and irrigation crossings and channel changes. Tasks also included review and input on updates to the MDT Hydraulics manual and performing a state-wide precipitation-frequency analysis to update the design guidance.
City of Billings Stormwater Management Manual
Billings, Montana
Wade was the project manager responsible for assisting the City of Billings in developing their current stormwater management manual. The new manual includes water quality treatment methods applicable to the City of Billings in addition to storm drainage design criteria.
Storm Drainage Design CriteriaSheridan, Wyoming
Wade was the project manager responsible for development of the design criteria manual currently in use by the City of Sheridan.
WO 16-14 West Billings Stormwater Development PlanBillings, Montana
West Billings continues to experience accelerated growth in comparison to most other parts of the City. Lacking dedicated storm drainage infrastructure, irrigation ditches and agricultural drains currently serve as an integral part of the storm drainage system. A critical need existed for a comprehensive stormwater management plan to guide development and infrastructure improvements into the future. The City of Billings retained DOWL to develop this plan for West Billings. A variety of alternatives were considered consisted of various combinations of on-site runoff control, regional detention storage facilities and conveyance improvements, in arriving at the recommended plan as documented in the “West Billings Stormwater Development Plan” report. Wade served as the project manager providing client coordination, overall project direction, and quality control review for this study.
ivCity of Bozeman | 2021 Stormwater Facilities Plan Update
Rouse Avenue ReconstructionBozeman, Montana
DOWL provided an environmental assessment and developed the design for total reconstruction of two miles of the Rouse Avenue urban arterial. Project objectives included increasing capacity and enhancing pedestrian and bicycle facilities. Improvements include reconstruction of 11 intersections, widening to provide turn lanes and extensive drainage improvements. The project included a comprehensive public involvement program with several public meetings and outreach to stakeholders within the corridor as well as close coordination with the City of Bozeman throughout project development. Wade provided QA/QC review of the storm drainage analysis and design as well as the construction plans and details. W
Shiloh Conservation Area Planning and DesignBillings, Montana
DOWL was retained by the City of Billings for design of the 66-acre Shiloh Conservation Area in west Billings. The design balances the objectives of water quality improvement, flood control, and community recreational benefits. A system of trails and bridges allows for maintenance access to all facilities while also providing a community recreational opportunity. Wade served as the project manager responsible for all aspects of the project from coordination with the City of Billings, to final design, to development of the construction plans, as well as construction oversight.
Riverside Industrial Park Storm DrainageSheridan, Wyoming
The project included planning, inventory, condition assessment, and hydrology and hydraulics for a storm drainage planning study for a 110-acre commercial area within the City of Sheridan that has been a flooding concern for a number of years. Wade was the project manager responsible for evaluating the storm drainage system. The study included evaluating the effectiveness of the existing storm drainage system, identifying problem areas and development of recommendations for storm drainage improvements.
WO 18-30 City County Drain Mitigation
Billings, Montana
Through a fast-tracked emergency repair project, DOWL partnered with the City of Billings and a local contractor to design a new outfall for the City County Drain that was severely damaged by lateral migration of the Yellowstone River during the spring of 2018. The project included installation of 4400 lineal feet of new 48-inch storm drain as well as installation of a 38-foot wide flood-control gate to provide backwater protection from the Yellowstone River.
Billings Bypass
Billings, Montana
Wade is responsible for overseeing the hydrologic and hydraulic evaluations and providing quality control review of the hydraulic designs and reports. The project consists of the design and construction package preparation for a new arterial roadway connecting Interstate 90 with Highway 87 and Old Highway 312; including a new ±2000-foot bridge crossing of the Yellowstone River, a new railroad overpass structure, and reconstructing the Johnson Lane Interchange at I-90.
Rimrock Road Reconstruction - 54th Street to Shiloh RoadBillings, Montana
Wade was the lead drainage engineer responsible for the design of a new urban storm drainage system including detention ponds, storm drain collection systems, and inlets to accommodate future development. The project was a cooperative effort between the Montana Department of Transportation and the City of Billings.
WADE IRION, PE
vCity of Bozeman | 2021 Stormwater Facilities Plan Update
FirmDOWL
EducationBachelor of Science Civil EngineeringMontana State University2004
LicensesMontana #16790 2010/Professional Engineer
Idaho #P-14464 2010/Professional Engineer
Years of Experience16
Professional
AffiliationsMontana Environment Health Association
Montana Water Environment Association
Water Environment Federation
PAUL YAKAWICH, PE
Senior Water Resource EngineerPaul has 16 years of progressive experience in planning, design and construction oversight of wide range of municipal/utility engineering projects. His responsibilities and experience include master planning, water/wastewater facility/distribution system design and rehabilitation, hydraulic modeling, capacity analysis, land application of wastewater systems, stormwater analysis and design, production of construction drawings, bid documents and specifications, site design. Paul also provides construction administration and management.
Professional Experience
Bozeman Downtown Stormwater Mains Rehabilitation EvaluationBozeman, Montana
The City of Bozeman contracted with DOWL to complete a multi-task stormwater evaluation related to the City Downtown stormwater basin. The project consists of an in-depth precipitation analysis, rehabilitation alternative analysis of the downtown stormwater conveyance trunkline, and a hydraulic analysis of the downtown stormwater basin. The precipitation analysis compared historical precipitation data from two weather stations to develop synthetic and actual storm hyetogaphs to be used in hydraulic stormwater modeling and for future City design standards. The rehabilitation alternative analysis was an evaluation of existing conditions and pipeline rehabilitation recommendations focused on the City’s large diameter cylindrical brick stormwater trunkline constructed in the early 1900s. The hydraulic analysis evaluated the downtown stormwater basin with rehabilitation recommendations and provided alternatives for increasing stormwater conveyance capacity through pipe replacement, infiltration galleries, and offloading. Paul was the project manager responsible for coordination of the project overall and lead engineer and author of the downtown stormwater trunk rehabilitation alternative analysis which will evolve into a cured-in-place pipe rehabilitation project on the downtown stormwater trunkline.
Manley Ditch ImprovementsBozeman, Montana
This project was to remove the seal from the pipe crossing and establish a stormwater outfall ditch to convey stormwater to the Cherry River Fishing Access site operated by Montana Fish Wildlife and Parks. DOWL provided final design, environmental permitting, construction drawings, and construction assistance to restore the Manley Ditch as a stormwater conveyance outfall, while also incorporating sediment collection for water quality treatment along the length of this new ditch through a term contract with the City. Paul provided on-site design coordination, senior review of project constructability, and will be the primary contact/manager for the project construction oversight.
Westridge Stormwater Treatment ProjectBozeman, Montana
DOWL designed a new mechanical treatment facility for the City of Bozeman. The project included a hydraulic model of the 27.5 acre contributing basin area and existing storm drain system, alternatives analysis, treatment structure sizing, and development of final plans, specifications, and construction administration. Paul completed the senior project quality control on the project construction drawings and is the primary contact/manager for the project construction oversight.
MSU NAIC Engineering BuildingBozeman, Montana
The project is comprised of a new engineering building (NAIC), presentation hall, parking facility, utilities, and transportation improvements. Engineered Aggregate Piers (EAP's) were utilized to support these structures. Paul was responsible for sanitary sewer planning documents for the facility and future south campus improvements, design of 2,300 lineal feet of gravity sewer connecting the south campus to the City of Bozeman through the encroached Lincoln Street corridor, quality control of design/construction documents, and construction administration assistance.
viCity of Bozeman | 2021 Stormwater Facilities Plan Update
Roberts Rest Area
Roberts, Montana
Paul is a lead utility engineer responsible for the permitting and Montana Department of Environmental Quality (MDEQ) approval for the construction of a new public water supply well and facility conceptual plans. Paul assisted the project managers with an extensive alternative evaluation to identify and evaluate the existing facility. The facility analysis included parking and facility demand calculations, water and wastewater system evaluations, irrigation analysis, water rights investigation, coordination with stake holders, and cost estimating improvement alternative.
West Winds Planned Unit DevelopmentBozeman, Montana
DOWL provided full development services for the West Winds Planned Unit Development, a 160-acre, 900 unit mixed-use residential community. This multi-phase development provides a wide range of housing, including apartments, townhouses, single family and senior facilities. Paul was involved in all stages of design (water, sewer, and stormwater), and construction of the phased residential subdivision. His duties included site grading, MDEQ and City of Bozeman permitting, construction plan review, contract and specification writing, engineer estimates, payment requests, submittal reviews, surveying, and construction inspection.
Ryen Glenn Estates Subdivision
Belgrade, Montana
DOWL provided planning, preliminary design, permitting, final design, and construction administration for development of approximately 170 acres with 357 single family residential lots north of Belgrade. The project included extensive off-site water and sewer improvements to connect to the City of Belgrade municipal facilities. Paul was the staff engineer designed roads, water mains, sanitary sewer mains, and stormwater sewer mains serving each unit. Paul also composed a stormwater report/master plan for the subdivision.
Northwestern Energy SubstationsMontana/South Dakota
DOWL worked with Northwestern Energy to develop new and expanded substations for power distribution. The projects included site layout, substation and site access grading plans, stormwater control and storage, erosion control plans, coordination with an adjacent substation site, development of construction documents and coordination of construction activities. Paul served as project manager on this project.
Bozeman Deaconess Hospital Water, Wastewater, and Stormwater Master Plans
Bozeman, Montana
DOWL developed water, wastewater, and stormwater master plans for the 500-acre area adjacent to the existing Bozeman Deaconess Hospital. The purpose of the master plans was to evaluate and quantify the infrastructure requirements necessary to develop the property into residential, commercial, and industrial properties. Paul provided technical support for conceptual water, sewer, and stormwater design and feasibility of development.
TrainingAdvanced Wastewater Training-Biological Nutrient Removal
Project Management Bootcamp, PSMJ Resources
Qualified Stormwater Compliance Manager
PAUL YAKAWICH, PE
viiCity of Bozeman | 2021 Stormwater Facilities Plan Update
FirmDOWL
EducationBachelor of Engineering Civil and Environmental Engineering University of Dayton2016
Master of Science Hydraulics, River Mechanics, and Stream Restoration Colorado State University 2019
LicensesMontana #PEL-EI-LIC-62550 2019/Engineer Intern
Years of Experience2
TrainingConfined Space
ANTHONY KEENE, EI
Water Resources DesignerAnthony Keene, EI is a water resources engineer in the dams and irrigation sub practice area working in DOWL’s Bozeman office. Anthony is a Billings, Montana native and went to Billings West High School. He has a bachelor’s in Civil and Environmental Engineering from the University of Dayton and recently graduated from Colorado State University with a master’s in Civil Engineering Hydraulics and River Mechanics. At CSU, he worked as a graduate research assistant at the university’s hydraulics lab and was involved in research projects ranging from 2D flood modeling to physical testing of hydraulic structures and erosion control products. Anthony will be providing assistance to DOWL’s water practice team across a wide range of applications including hydrologic and hydraulic modeling, stormwater and drainage design, dam assessments, and dam design.
Professional Experience
Westridge Stormwater Treatment ProjectBozeman, Montana
DOWL designed a new mechanical treatment facility for the City of Bozeman. The project included a hydraulic model of the 27.5 acre contributing basin area and existing storm drain system, alternatives analysis, treatment structure sizing, and development of final plans and specifications. Anthony performed the hydrologic and hydraulic modeling used for the treatment facility design. He also assisted with developing the alternative design analysis, treatment structure sizing, and the development of final plans.
Bozeman Downtown Stormwater Mains Rehabilitation Evaluation
Bozeman, Montana
The City of Bozeman contracted with DOWL to complete a multi-task stormwater evaluation related to the City Downtown stormwater basin. The project consists of an in-depth precipitation analysis, rehabilitation alternative analysis of the downtown stormwater conveyance trunkline, and a hydraulic analysis of the downtown stormwater basin. The hydraulic analysis evaluated the downtown stormwater basin with rehabilitation recommendations and provided alternatives for increasing stormwater conveyance capacity through pipe replacement, infiltration galleries, and offloading. Anthony was the main hydrologic and hydraulic modeler for this project. He analyzed the capacity of the downtown stormwater system in Bozeman based on a series of proposed design upgrades throughout the system. Anthony also assisted with a precipitation frequency analysis of the MSU ORSL data, which the City has been considering for use in the stormwater analyses.
Manley Ditch RehabilitationBozeman, Montana
This project was to remove the seal from the pipe crossing and establish a stormwater outfall ditch to convey stormwater to the Cherry River Fishing Access site operated by Montana Fish Wildlife and Parks. DOWL provided final design, environmental permitting, construction drawings, and construction assistance to restore the Manley Ditch as a stormwater conveyance outfall, while also incorporating sediment collection for water quality treatment along the length of this new ditch through a term contract with the City. Anthony assisted in the field survey to gather hydraulic cross-section data.
Town Pump - Boulder #0310, Phase I
Boulder, Montana
Town Pump is proposing to expand their operations at the existing convenience store and casino in Boulder, Montana. The redevelopment will consist of a new 15,000 sf convenience store and casino including new gas and diesel fuel islands, a four-acre truck asphalt parking lot, one-acre light duty asphalt parking lot with associated curbing, utilities, and site improvements. The project will include installation of aggregate piers to stabilize the existing ground and up to 22-feet and 32,000 cy of fill to be placed to accommodate the site expansion. Additional services include stormwater design and analysis for the site, collection and conveyance, and two underground detention systems. Anthony developed a pre- and post-development stormwater model and helped design the stormwater facilities for the new town pump site. Anthony analyzed the hydrologic model of the
viiiCity of Bozeman | 2021 Stormwater Facilities Plan Update
site including the offsite borrow source which involved designing a storm mitigation pond for the city to utilize during high runoff events. Anthony also led the design efforts on the hydraulic design of the stormwater infrastructure.
Talen Energy Master Plan Stormwater ModelingColstrip, Montana
This project consisted of the development of a drainage system map and stormwater management plan for the CSES facilities in Colstrip. This work included field surveys, AutoCAD drawings, a plan for improving stormwater management to prevent off-site runoff. Anthony assisted in creating final design maps.
2021 Water System Improvements
Dillon, Montana.
This project included 7,900 lineal feet of new 18-inch water transmission main, 7,000 lineal feet of 8-inch and 10-inch water distribution main replacements, and three blocks of street reconstruct with new curb, gutter, ADA ramps, and stormwater collection and conveyance modifications. Anthony provided stormwater modeling to assess existing system capacity and proposed system changes related to the improvements of Idaho Street. The downstream stormwater conveyance is owned by the Montana Department of Transportation and the system was undersized and at capacity. The Idaho Street stormwater improvements and associated modeling had to demonstrate no additional flow would be directed to the MDT-owned infrastructure downstream.
Carbon County PMR Study
Carbon County, Montana
DOWL was contracted by Department of Natural Resources and Conservation (DNRC) to perform GPS structure survey, structural inventory, hydraulic modeling, and floodplain mapping for the Clark Fork Yellowstone River, three major and twenty-eight small tributaries to the Clark Fork Yellowstone River. The study includes survey of 181 structures, roughly 70.8 miles of modeling and mapping on Clark Fork Yellowstone River, 35.3 miles for the major tributaries, and 11 miles for the small tributaries. Anthony assisted in developing the 1D hydraulic models for the Clarks Fork of the Yellowstone and its tributaries.
Floodplain Delineation Studies
Various, Montana
DOWL was contracted by the Department of Natural Resources and Conservation to perform bathymetric survey for 340 miles of rivers throughout Granite, Powell, Missoula, Carbon, Stillwater, and Lincoln Counties in Montana. The survey was performed in conjunction with LiDAR topography acquisition and will be used for future floodplain studies. DOWL surveyed 1,077 cross sections, generally every ½ mile along the Clark Fork River, Bitterroot River, Rock Creek, Clarks Fork Yellowstone River, Stillwater River, Red Lodge Creek, Rosebud Creek, and the Kootenai River. As part of the project, DOWL performed landowner coordination, survey, processing the survey, and development of FEMA deliverables. Anthony assisted in gathering the bathymetric survey cross-sections on the Clarks Fork Yellowstone River, Stillwater River, Red Lodge Creek, and Rosebud Creek.
ANTHONY KEENE, EI
ixCity of Bozeman | 2021 Stormwater Facilities Plan Update
FirmDOWL
EducationBachelor of ScienceCivil EngineeringMontana State University 2015
LicensesMontana #62694 2019/Professional Engineer
Years of
Experience6
ADAM ZWEMKE, PE
Water Resources EngineerAdam is a water resource engineer with over five years of experience in performing hydrologic and hydraulic evaluations. Adam has successfully performed hydrology and hydraulics analyses for highway drainage projects, urban stormwater studies and design, bridge and culvert replacement, bridge scour analysis, scour countermeasure design, and floodplain delineation studies project. Adam has wide ranging knowledge in hydraulic modeling and floodplain mapping software, including GeoHECRAS, HEC-RAS, RASPLOT, SRH-2D, AutoCAD Civil 3D, MicroStation, and ArcGIS.
Professional Experience
Manley Ditch Rehabilitation
Bozeman, Montana
This project was to remove the seal from the pipe crossing and establish a stormwater outfall ditch to convey stormwater to the Cherry River Fishing Access site operated by Montana Fish Wildlife and Parks. DOWL provided final design, environmental permitting, construction drawings, and construction assistance to restore the Manley Ditch as a stormwater conveyance outfall, while also incorporating sediment collection for water quality treatment along the length of this new ditch through a term contract with the City. Adam was responsible for the hydraulic analysis which included identifying the existing capacity of the existing MRL pipe crossing and evaluating a new stormwater conveyance outfall ditch with drop structures.
WO 16-14 West Billings Stormwater Development Plan
Billings, Montana
West Billings continues to experience accelerated growth in comparison to most other parts of the City. Lacking dedicated storm drainage infrastructure, irrigation ditches and agricultural drains currently serve as an integral part of the storm drainage system. A critical need existed for a comprehensive stormwater management plan to guide development and infrastructure improvements into the future. Adam was responsible for developing the stormwater models used to evaluate multiple West Billings drainage scenarios. This included updating basin characteristics to represent different scenarios of drainage control for future developments, sizing roadside ditches, culverts, storm drains, storage facilities, and identifying potential flood hazards.
WO 17-26 62nd/Rimrock Detention Pond
Billings, Montana
This project consisted of the final design and construction administration of a regional detention pond for the City of Billings located at the southwest corner of Rimrock Road and 62nd Street West. This facility includes four ponds with discharge structure to store and restrict runoff from Cove Creek overflow and adjacent developments. Adjacent developments worked with the City of Billings to utilize this facility in lieu of their on-site requirements. Adam was responsible for developing stormwater models used to evaluate multiple drainage scenarios. This included updating basin characteristics to represent drainage control for future developments, sizing culverts, detention storage facilities, and identifying potential flood hazards.
North 27th Street Stormwater Master Plan
Billings, Montana
DOWL was tasked by the MDT to develop a stormwater model for approximately 3,000 acres fully developed drainage area that is conveyed through downtown Billings into the North Branch of Yegen Drain. The model is used to assess the performance of the existing drainage system, evaluate potential stormwater improvements and quantify potential impacts to the downstream stormwater system. DOWL worked closely with MDT, the City of Billings, Billings Clinic and their consultant to evaluate proposed Billings Clinic improvements to make sure their proposed system was in the best interest for all. Adam assisted in the field investigation to gather data to assess the performance of the existing 27th Street drainage system.
xCity of Bozeman | 2021 Stormwater Facilities Plan Update
48th Street West Drainage PlanBillings, Montana
This project was to provide a scope/budget to perform a feasibility study of the ultimate storm drain system down 48th Street Corridor. This corridor is filled with irrigation/drainage ditches along with developments near existing rights-of-way that may have impacts on the full build-out storm drain design recommended in the West Billings Storm Water Master Plan. Adam was responsible for surveying the road prism, adjacent irrigation ditches, key structures, and utilities from Grand Avenue to King Avenue. He also evaluated stormwater conveyance options to work with existing and future utilities planned for this corridor.
WO 18-30 City County Drain MitigationBillings, Montana
In an on-going fast-tracked water resources project, DOWL partnered with the City of Billings to design emergency improvements for the outfall of the City County Drain that was severely damaged by the Yellowstone River during 2018 runoff. Adam assisted with the completion of the geotechnical test pit investigation and report and also tracked construction costs and reviewed pay application submittals.
WO 18-11 West Billings Stormwater AlternativesBillings, Montana
Adam was responsible for evaluating stormwater management solutions which included storm drain and detention storage improvements. Potential solutions that were evaluated included detention storage on the Knife River site, flood control and detention storage on Cove Creek and Little Cove Creek and identifying additional detention storage locations on the west end of Billings.
Talen Energy Master Plan Stormwater Modeling
Colstrip, Montana
This project consisted of the development of a drainage system map and stormwater management plan for the CSES facilities in Colstrip. The drainage map was developed to assist operations staff in understanding existing stormwater drainage patterns as a basis for developing plans for improvement. This work included field surveys and AutoCAD drawings and a plan for improving stormwater management to prevent off-site runoff. Adam was responsible for modeling three sites and evaluating any drainage improvements required to keep the design storm on the project sites.
WO 16-05 Central Avenue ImprovementsBillings, Montana
The project was to reconstruct a 1-mile stretch of Central Avenue from 32nd Street West to Shiloh Road. The design included roadway widening, storm drain improvements, water main extensions, sanitary sewer rehabilitation, and construction administration and staking in all aspects of the construction. Adam was responsible for completing the geotechnical field investigation for Central Avenue. He logged samples during the subsurface exploration and assisted with laboratory testing and preparing the preliminary geotechnical memo. Adam also recorded groundwater levels and completed an infiltration test on the boring that was drilled as a monitoring well.
ADAM ZWEMKE, PE
xiCity of Bozeman | 2021 Stormwater Facilities Plan Update xi
FirmDOWL
EducationBachelor of ScienceCivil EngineeringColorado State University2003
LicensesMontana #18996 2008/Professional Engineer
Other State PE Licenses: AZ, CO, ID, NV, OR, WA, WY
Montana #TSP-12-8709 2012/TSP
Years of Experience16
Professional
AffiliationsAmerican Society of Civil Engineers
JEFFREY OLSSON, PE, TSP
Senior Water Resource EngineerJeff is a senior project manager within DOWL's water practice. He provides application of hydrologic and hydraulic principles in support of storm drainage, natural channel design, irrigation rehabilitation, small dam reconstruction, bridge replacement, and highway reconstruction projects. Jeff’s stormwater experience includes development of stormwater pollution prevention plans for maintenance facilities; hydrologic and hydraulic analysis, design of stormwater interception, conveyance, detention, and retention facilities; and stormwater treatment design. Jeff has specialized experience in the area of precipitation frequency analysis and has assisted several municipalities and MDT in the development of new precipitation depth-duration-frequency tables based on statistical analysis of historical precipitation recordst.
Professional Experience
Bozeman Downtown Stormwater Mains RehabilitationBozeman, Montana
The City of Bozeman contracted with DOWL to complete a multi-task stormwater evaluation related to the City Downtown stormwater basin. The project consists of an in-depth precipitation analysis, rehabilitation alterative analysis of the downtown stormwater conveyance trunkline, and a hydraulic analysis of the downtown stormwater basin. Jeff provided precipitation frequency analysis and expertise for this project. To support the development of design storm data, Jeff completed two independent precipitation frequency analyses, the first using data from the National Oceanic and Atmospheric Association (NOAA) for the Gallatin Field weather gage and the second using Optical Remote Sensor Laboratory (ORSL) data from the more local gage at Montana State University (MSU). He also summarized the key advantages and drawbacks of each of these two analyses to help facilitate a decision by the City of which data source to use in the design of downtown stormwater infrastructure.
Westridge Stormwater Treatment ProjectBozeman, Montana
DOWL designed a new mechanical treatment facility for the City of Bozeman. The project included a hydraulic model of the 27.5 acre contributing basin area and existing storm drain system, alternatives analysis, treatment structure sizing, and development of final plans and specifications. Jeff was the lead water resources engineer and engineer-of-record for this project. He also led DOWL’s construction phase efforts, providing submittal review and responding to the Contractor’s requests for information (RFI).
Rouse Avenue ReconstructionBozeman, Montana
DOWL provided an environmental assessment and developed the design for total reconstruction of two miles of the Rouse Avenue urban arterial. The existing roadway was a narrow, two-lane roadway with intermittent sidewalks and informal on-street parking. Project objectives included increasing capacity and enhancing pedestrian and bicycle facilities. Improvements included reconstruction of 11 intersections, signal design at five intersections, widening to provide turn lanes and extensive drainage improvements. Jeff was the project hydraulic engineer responsible for HEC-RAS modeling of Bozeman Creek within the project corridor, including two large box culverts designed for fish passage; floodplain modeling and permitting; development of stormwater improvements and retrofits, including over 12,000 feet of storm drain pipe and roughly 100 inlets; and analysis and design of stormwater treatment alternatives using mechanical stormwater treatment devices.
xiiCity of Bozeman | 2021 Stormwater Facilities Plan Update
Church Street Stormwater Improvement projectBozeman, Montana
DOWL was retained by the City of Bozeman to provide hydrologic analysis and hydraulic design of a new mechanical stormwater treatment facility within the Church Street storm drain. Project features include a contributing basin area of 31 acres, a treatment flow rate of 3.8 cfs, internal bypass, and evaluation/accommodation of potential future conveyance improvements which would increase the peak flow at the location of the treatment device. Jeff was the project manager and lead hydraulic engineer for the project.
Airport Road Reconstruction
Billings, Montana
This project included planning, roadway design, bridge design, environmental studies, hydraulic analysis, and geotechnical investigations for the reconstruction of three miles of Airport Road and Montana Highway 3. The project included a multi-lane roundabout at the intersection of Airport Road and Montana 3. Jeff was the project hydraulic engineer responsible for hydrologic and hydraulic modeling and design of stormwater facilities within the project corridor, including several thousand feet of storm drain pipe, roughly 30 stormwater inlets, and detention ponds, conveyances ditches, and numerous crossing and approach culverts.
Bureau of Indian Affairs Irrigation Condition AssessmentsWestern United States
DOWL was tasked with helping the Bureau of Indian Affairs (BIA) comply with their asset management responsibilities through the development of engineering evaluations and condition assessments of the BIA's irrigation projects across the western United States. Jeff served as the project manager and field team leader for the assessment of 16 Bureau of Indian Affairs irrigation projects throughout the Western United States and six Bureau of Indian Affairs irrigation systems on the Middle Rio Grande Pueblos. Jeff led and managed DOWL’s efforts on these projects, he developed the assessment methodology, was responsible for training staff in assessment procedures, and was an integral component of DOWL’s field teams.
City of Billings, Precipitation Analysis & SWMM Update 2013Billings, Montana
The City of Billings contracted DOWL to conduct a precipitation frequency study of available gage data for the purpose of updating the precipitation design criteria in the City's Stormwater Management Manual. DOWL completed annual series and partial duration series analyses using a Type I extreme value analysis (Gumbel Distribution). Over seven million data points were analyzed in the study, including 66 years of hourly precipitation data and 14 years of one-minute precipitation records. Jeff was the project manager and performed the statistical analysis.
Other Relevant Project Experience:
■North 27th Street Stormwater Master Plan, Billings, Montana.
■Stormwater Pollution Prevention Plans for MDT Maintenance Facilities, Billings & Bozeman, Montana.
■Manley Ditch Rehabilitation, Bozeman, Montana
■MDT Hydraulics Manual Update Precipitation Frequency Analysis, numerous locations, Montana
JEFFREY OLSSON, PE, TSP
TrainingLorman Education Services: Stormwater and Wetland Regulation in Montana
Wildland Hydrology Level I: Applied Fluvial Geomorphology
Wildland Hydrology Level II: River Morphology & Application
Wildland Hydrology Level III: River Assessment & Monitoring
Assessing Stream Restoration Success: Developing Sustainable Ecological and Physical Systems
National Highway Institute: Hydraulic Design of Culverts and Fish Passage Structures (FHWA-NHI-135056)
National Highway Institute: River Engineering for Highway Encroachments
Northwest Environmental Training Center, Fluvial Geomorphology Processes in River Restoration (HYD-407)
Northwest Environmental Training Center: Upstream Fish Passage and Fish Behavioral Engineering. (BIO-306)
xiiiCity of Bozeman | 2021 Stormwater Facilities Plan Update xiii
FirmDOWL
EducationBachelor of ScienceGeological EngineeringMontana College of Mineral Science and Technology1988
LicensesMontana #9638EI 1988/Engineer In Training
Montana #S004 HAZWOPER 40
Montana #4919 MSHA
Montana 2017/Nuclear Densometer Safety Training
Years of Experience31
Training4-Hour First Aid and CPR
5th and 7th Annual Montana Water Law Conference, Helena, Montana
JAMES POTTS, EIT
Senior HydrogeologistJim is an experienced hydrogeologist/geological engineer. His experience includes evaluating groundwater conditions at sites for; drinking, irrigation, stock water, heating/cooling systems, wastewater disposal, construction dewatering, and remediation. Jim prepares water and wastewater systems design reports, plans and specifications, and source water protection assessments. He is also familiar with water right applications. Jim conducts geotechnical investigations for foundation design of roads, walls, and structures. He also installs, operates and reports on groundwater and surface water monitoring systems. Jim also provides resident project representation and construction supervision of facilities and underground utilities.
Professional Experience
Shiloh Conservation Area Planning and Design
Billings, Montana
DOWL was retained by the City of Billings to assist in the design and development of the 66-acre Shiloh Conservation Area (SCA) in west Billings. The design of SCA balances the objectives of water quality improvement, flood control, and community recreational benefits. Jim was responsible for evaluating the groundwater conditions at the site, seasonal fluctuation of groundwater levels, and potential dewatering requirements during construction. Work also included assisting in conducting a seepage analysis to evaluate if surface water features will maintain adequate water elevations during critical times of the year.
Manley Ditch Rehabilitation
Bozeman, Montana
This project was to remove the seal from the pipe crossing and establish a stormwater outfall ditch to convey stormwater to the Cherry River Fishing Access site operated by Montana Fish Wildlife and Parks. DOWL provided final design, environmental permitting, construction drawings, and construction assistance to restore the Manley Ditch as a stormwater conveyance outfall, while also incorporating sediment collection for water quality treatment along the length of this new ditch through a term contract with the City. Jim’s work was in support of the many other disciplines involved with the project and particularly if it is necessary to perpetuate the conveyance of irrigation water through the project.
New Hyalite–View Sewer Improvements
Bozeman, Montana
This project included design and construction drawings for replacement of approximately 200 sewer service connections to eliminate the pervasive tree root problems impacting the sewer service connections in this neighborhood where the maintenance costs and efforts associated with the plugging problems had become a nuisance for the City. Jim provided resident project representative services on a part time basis throughout the project. The work included daily full-time oversite, coordination, documentation and quality assurance inspections of all contractor activities.
Johnson Wetland Mitigation
St. Ignatius, Montana
The project was to analyze the viability of the Johnson property to serve as a wetland mitigation bank. The project included a wetland delineation and functional assessment, hydrologic analysis and wetland water budget, groundwater modeling study and an environmental resource investigation. Jim provided geotechnical drilling, installation of monitoring wells, groundwater and surface water monitoring and reporting.
xivCity of Bozeman | 2021 Stormwater Facilities Plan Update
7th Annual Montana Water Law Conference, Helena, Montana
Advanced Aquifer Testing Analysis Featuring AQTESOLV
Artificial Recharge of Ground Water Course national Groundwater Association, Sacramento, California
Water Rights: What You Need to Know. Montana DNRC and Water Curse, Kalispell, Montana
Montana State University Parking Garage and Norm Asbjornson Innovative Center
Bozeman, Montana
The project is comprised of a new engineering building (NAIC), presentation hall, parking facility, utilities, and transportation improvements. Engineered Aggregate Piers (EAP's) were utilized to support these structures. Jim assisted in conducting the initial field geotechnical investigations, coordinated with an EAP design/build installer during construction, performed field observations and subsurface exploration, provided construction oversight of water and sewer line extensions, coordinated inspections of concrete and soils, and prepared reporting.
Baker Lake Restoration PlanBaker, Montana
The project developed a restoration plan to address wetland impacts on Baker Lake, while also evaluating the feasibility of improving the ability of the lake to provide recreation opportunities. Jim provided geotechnical drilling coordination, installation of monitoring wells, soil, underwater sediment, and lake water sampling.
Bozeman Deaconess Hospital ICU Geotechnical Investigation and Irrigation Well ReplacementBozeman, Montana
Jim provided geotechnical investigations and assisted with coordinating the work and completed project closeout. Jim is also working on replacing the irrigation well at Hillcrest and filing water rights applications.
Ben Steele Middle School Well Drawdown
Billings, Montana
Jim provided field work and groundwater hydrology modeling for the installation of four monitoring wells near an existing production well and monitoring water levels in all wells before, during and after a 72-hour pumping test. Geotechnical soils, and pump testing data was used to characterize the aquifer and estimate the effects of pumping three irrigation wells and then calculate settlement that would result from the groundwater drawdown. With that data, Billings Public Schools was able to cite the wells to reduce the potential for settlement below nearby homes and the school.
City of Forsyth Main Street Sewer ReplacementForsyth, Montana
DOWL provided multiple services for this project including geotechnical and groundwater investigations. With these investigations, Jim evaluated the hydrogeologic setting of the corridor, performed aquifer tests and slug tests, and provided potential dewatering systems and pumping requirements.
Lyman Creek Reservoir ImprovementsBozeman, Montana
Lyman Creek Reservoir was the initial water source and reservoir for the City of Bozeman. It was operated for many years, but in the late 80’s needed repairs. Based on the pre-design reports, DOWL proceeded with design and construction administration of these repairs. Jim investigated the hydrologic setting of the reservoir to assist in the design and construction of a system to stop reservoir leakage. Additional investigations were conducted at the Lyman Spring including designing, constructing, optimizing the spring box collection systems, and installing a year round frost proof stream flow monitoring station.
JAMES POTTS, EIT
xvCity of Bozeman | 2021 Stormwater Facilities Plan Update
FirmDOWL
EducationBachelor of ScienceCivil Engineering & Water Resources, Geological Science MinorMontana State University2020
LicensesMontana #PEL-EI-LIC-69596 2020/Engineer Intern
Years of Experience2
LOGAN RICE, EI
Water Resources DesignerLogan Rice, EI, is a recent MSU graduate with a degree in Civil Engineering (Bio-Resources option) and a minor in Geographic Information Science (GIS). Before working with DOWL, Logan worked for the South Dakota School of Mines and Technology as a researcher identifying areas of potential fish habitat in correspondence with stream meander near Rapid City, South Dakota. During that time, Logan became familiar with HEC-RAS, R, River2D, and ArcGIS. After working in South Dakota, Logan spent two summers as a Water Resources Intern for DOWL in Billings, ultimately fine-tuning his technical skills in ArcGIS, HEC-RAS, and HEC-RAS-related programs. Since starting full-time with DOWL in Bozeman, Logan continues to broaden his skillset and gain technical proficiency, including increased knowledge in GeoHECRAS, SRH-2D, and both hydrologic and survey studies.
Professional Experience
Carbon County PMR StudyCarbon County, Montana
DOWL was contracted by Department of Natural Resources and Conservation (DNRC) to perform GPS structure survey, structural inventory, hydraulic modeling, and floodplain mapping for the Clark Fork Yellowstone River, three major and twenty-eight small tributaries to the Clark Fork Yellowstone River. The study includes survey of 181 structures, roughly 70.8 miles of modeling and mapping on Clark Fork Yellowstone River, 35.3 miles for the major tributaries, and 11 miles for the small tributaries. Logan developed detailed 1D hydraulic models for Elbow Creek and the upstream extents of the Clarks Fork of the Yellowstone River, assembled DFIRM and FIS products for various reaches, assisted in report production and workmap development. Prior to those project items, Logan also combined surveyed bathymetric data with ground survey, developed preliminary 2D hydraulic models, and discovered a new method for landcover classification by means of supervised image classification.
Floodplain Delineation StudiesVarious, Montana
DOWL was contracted by the DNRC to perform bathymetric survey for 340 miles of rivers throughout Granite, Powell, Missoula, Carbon, Stillwater, and Lincoln Counties in Montana. The survey was performed in conjunction with LiDAR topography acquisition and will be used for future floodplain studies. DOWL surveyed 1,077 cross sections, generally every ½ mile along the Clark Fork River, Bitterroot River, Rock Creek, Clarks Fork Yellowstone River, Stillwater River, Red Lodge Creek, Rosebud Creek, and the Kootenai River. As part of the project, DOWL performed landowner coordination, survey, processing the survey, and development of FEMA deliverables. As part of these delineation studies, Logan was heavily involved in multiple field surveys and two DNRC survey submittals while also remaining active as a source of GIS and technical writing support.
Jefferson Countywide Floodplain Study
Various, Montana
DOWL was contracted by DNRC to perform the hydraulic modeling and mapping phase tasks for the six different tributaries to the Jefferson River. The study includes roughly 48.5 miles of modeling and mapping on Fish Creek, Whitetail Creek, Little Whitetail Creek, Big Pipestone Creek, Little Pipestone Creek, and Pappas Creek. This evaluation also included performing hydraulic model and mapping for two reservoirs, Delmoe Lake and Whitetail Reservoir. Logan developed the 1D hydraulic models for Little Whitetail and Pappas Creeks, assembled DFIRM and FIS product, assisted in report production and developed all hydraulic workmaps and most other geographic exhibits/figures.
We create solutions that build better communities
James Nickelson is a senior engineer with experience in planning, design and construction of civil infrastructure as well as project management. He has expertise in water/wastewater, street/road, irrigation and stormwater projects. James also has expertise in land development entitlement permitting. Other areas of expertise include project financing, capital planning, and construction administration. James has managed a number of large projects and administrated construction contracts with values up to $50,000,000 including major upgrades to the City of Bozeman’s Water Treatment Plant and their Water Treatment Plant. He provides budgeting and administration services for a $2,000,000 annual maintenance and capital improvement program for Rural Improvement Districts in Gallatin County.
City of Bozeman – Storm Water Master Plan - Bozeman, MT Role: Project Manager
Comprehensive City Storm Water Master Plan update
Montana State University – Bioscience Building - Bozeman, MT Role: Project Manager
Site and parking lot design for the 40,000 s.f. office and laboratory building
On-site detention and retention facilities to control post-development runoff
City of Bozeman – Parking Garage - Bozeman, MT Role: Design Engineer
Site design, permitting, and assistance with funding agency requirements
450 parking stall garage
Design of stormwater facilites
Vortex type treatment facility
The Lakes at Valley West- Bozeman, MT Role: Project Manager
300 unit subdivision in northwest area of the city
Design of street, water, sewer and stormwaer infrastucture
Montana Department of Transportation – North Reserve Street - Missoula, MT Role: Design Engineer
Four mile long project
Hydrologic analysis
Storm sewer design
Stream relocation design for Grant Creek
Culvert design for this urban highway
• 35 Years Experience
• Bozeman Office
Education Civil Engineering MS, 1992; Colorado State University
Civil Engineering BS, 1987; Montana State University
Registration WY PE PE11590, 2008 MT PE 9063, 1992 CA PE 46774, 1991
Expertise
Civil Infrastructure
Land Development
Water-Wastewater
Professional Associations American Society of Civil Engineers
Water Environment Federation
Professional History 2000-Present: Morrison-Maierle, Senior Engineer
James Nickelson, PE MMI Project Manager
2 | Page Relevant Experience James Nickelson, PE – MMI Project Manager
We create solutions that build better communities
Maloney Ranch Subdivision - Missoula, MT Role: Design Engineer
Storm drainage maser plan for 2,000 acre development
Flood plain analysis including new road crossing of Miller Creek and analysis of issues related to the Bitterroot River flood plain
Developed drainage plan for controlling runoff to pre-development release rates
Ligocyte Building - Bozeman, MT Role: Project Manager
Site and parkingl lot design
Storm Drain System Design including three new stormwater ponds, new storm drain mains, manholes and inlets
Costco Warehouse - Kalispell, MT Role: Design Engineer
Design and permitting for onsite stormwater, water and wastewater systems, parking, pedestrian and traffic circulation
Design of on-site injection wells for storm water control
City of Bozeman – Cottonwood Road - Bozeman, MT Role: Project Manager
Multi-lane roundabout design for the proposed intersection of Cottonwood Road and Baxter Lane
Storm Drain System Design including three new stormwater ponds, new storm drain mains, manholes and inlets
Shopko Shopping Center - Kalispell, MT Role: Design Engineer
Site civil design parking lots, pedestrian and traffic circulation
Desogn of on-site storm water facilities
Water/Wastewater Group Office Leader
1997 - 2000: City of Bozeman, Project Engineer
1991 - 1997: WGM Group, Civil Engineer
1989 - 1991: Colorado State University, Research Assistant
1988 - 1989: California Department of Transportation, Civil Engineer
We create solutions that build better communities
Michael G. Hickman, PE Stormwater Engineer
Mike Hickman is a Senior Civil Engineer with a truly diverse range of project
experience. He typically fills the role of project or task manager for site/Civil
design and permitting, from programming through all design phases and construction administration. His past experience includes development and redevelopment projects on commercial, educational, residential and industrial
sites; mine site remediation; municipal landfill design, operations and closures;
stream and wetland mitigation/reconstruction; development of site-specific BMP programs and NPDES stormwater permitting for military, industrial, marine, commercial and municipal sites; site layout and design of municipal facilities for water supply, water and wastewater treatment;, erosion and flood control; and
conveyance, storage, and treatment incorporating Low Impact Development
(LID) practices. Recent focus is on site development and stormwater/LID design including several LEED building projects, up to and including LEED Platinum.
• 39 Years’ Experience
• Bozeman Office ______________________
Education BS Civil Engineering, 1981; Montana State University
Registration MT PE 6482, 1994 WA PE 28268, 1991 CO PE 25730
Expertise
Environmental/Mine Waste Remediation
Geomembrane Liner Systems
LID Site Layout
Municipal/Site Development
Open Channel Hydraulic Structures
Site Grading
Storm Drainage Systems
Storm Water Management
Stormwater Treatment
Storm Water Facilities Plan, Bozeman, MT Role: Senior Civil Engineer
Primary Author of System Inventory and System Analysis chapters
Developed data entry formatting and Q/A procedures to compile
data from 2,727 nodes and 1,922 links, for GIS (Arcview) and XP SWMM
Evaluated the current storm water program and design policies
Provided recommendations to meet MS4 permitting requirements
Blue Creek Master Plan, Billings, MT Role: Senior Civil Engineer
Q/A review for Master Planning and subsequent SWMM storm water
modeling of a 3,600-acre developing urban drainage basin
Provided site-specific recommendations to address erosive soils
Evaluated existing erosion and sedimentation problem areas Storm Water Facilities Plan for Montana State University, Bozeman, MT
Role: Senior Civil Engineer
Edited draft System Inventory and System Analysis chapters
Developed data entry formatting and Q/A procedures to compile data for 874 nodes and 770 links, for AutoCAD, GIS (Arcview) and XP SWMM
Provided recommendations to meet NPDES permitting requirements
2 | Page
Relevant Experience Michael G. Hickman, PE – Stormwater Engineer
We create solutions that build better communities
Stream and Wetlands Reconstruction
Surface Water Hydrology
Professional Associations ASCE, Member
Professional History 1998-Present: Morrison-Maierle, Inc., Senior Civil Engineer
1994-1998: ESA Consultants, Inc., Senior Project Engineer
1989-1994: EMCON Northwest, Inc., Project Engineer
1987-1989: Rick Engineering Co., Project Engineer
1981-1987: Tri-Consultants, Inc., Design Engineer
Bellevue Major Maintenance Program (MMP), Bellevue, WA
Role: Project Manager
Contracted with the Storm and Surface Water Utility to manage
localized storm-related erosion and flooding problems
Research, interviews with citizens and maintenance personnel, hydrologic & hydraulic analyses, evaluation of alternative solutions
and final design
“On call” during storm events to immediately evaluate flood and erosion damage, and manage interim/emergency and final repairs Puget Sound Naval Shipyard, NPDES Permitting, Bremerton, WA
Role: Project Manager
Prioritization and planning of repairs, capital improvements, and changes in operations to improve storm water quality at this 354-acre facility
Identified potential illicit connections for three storm water outfalls,
and verified their existence by dye testing and smoke testing.
Provided recommendations to improve current BMPs and controls on sandblast grit accumulating in the drainage systems of six drydocks.
Evaluated storm runoff from shipyard parking areas with respect to water quality, and developed recommendations for controlling oil
and grease Yellowstone Club Master Drainage Plan, Big Sky, MT Role: Senior Civil Engineer
Prepared a master drainage plan for Andesite Mountain.
Shilshole Bay Marina, NPDES Permitting, Seattle, WA Role: Project Manager
Identified illicit connections and delineated drainage basins to 41
outfalls
Runoff monitoring and runoff/sediment sampling
Documented existing on-site storm water management practices
Recommended new BMPs for each drainage basin
We create solutions that build better communities
Kevin D. Jacobsen, PE Development Advisor
Mr. Jacobsen is a Civil Engineer specializing in Project Management, design, drafting, and construction inspection. He has worked on the management, design and construction of road, sewer, water, and storm projects within the City of Bozeman and surrounding communities and is a valuable resource to any project.
• 21 Years’ Experience
• Bozeman Office
Education BS Civil Engineering, 1999; Montana State University
Registration Professional Engineer: MT No. 1389PE; 2004 ND No. PE7737; 2012 LEED Accredited Professional; 2009
Expertise
Project Management
Land Development
Roadway Design
Water Resources Analysis/Design
Water and Wastewater Analysis Design
Storm Water Analysis/Design
Technical Writing
Professional Associations Montana Contractors Association
North 7th Streetscape Design and Construction Administration – Bozeman, MT Role: Project Manager
Design and Construction of entryway corridor lighting project within an Urban Renewal District
Included design surveys, infrastructure design, and easement preparation East Main Street and Highland Boulevard Intersection Design – Bozeman, MT Role: Project Manager
Design of MDT Intersection
Included roadway, water, sewer, stormwater, and lighting design Spanish Peaks Lodge – Big Sky, MT Role: Senior Civil Engineer
Complex grading and drainage engineering for $200+ million project within Spanish Peaks Resort
Associated tasks included water, sewer, and road design Capital Improvement Projects Field Survey – Bozeman, MT Role: Project Manager
Multiple street corridor survey projects within the City of Bozeman
Completion of boundary and topographic surveys for approximately 55 acres of street right-of-way E. Tamarack St., Front St., E. Aspen St., and N. Ida Ave. Street Rehabilitation Project – Bozeman, MT Role: Project Manager
Street Rehabilitation project located in an Urban Renewal District
Included coordination with the City of Bozeman, numerous community boards, and neighborhood associations East Peach Street Rehabilitation Project – Bozeman, MT Role: Project Manager
Street Rehabilitation project located in an Urban Renewal District
2 | Page
Relevant Experience Kevin D. Jacobsen, PE – Development Advisor
We create solutions that build better communities
Bozeman Chamber of Commerce
Professional History 1999-Present: Morrison-Maierle; Civil Engineer
Included coordination with the City of Bozeman, numerous community boards, and neighborhood associations Burnham Ranch Subdivision Phase 1 – Helena, MT Role: Civil Design Engineer
Infrastructure construction plans for commercial development
Water, sewer, storm, and road design Renaissance Heights Subdivision – Williston, ND Role: Project Manager
Infrastructure improvements for large-scale apartment complex
Water, sewer, storm, grading, and drainage infrastructure improvements
Construction inspection for on- and off-site improvements Water, Sewer, and Street Improvement District 12-10 – Williston, ND Role: Project Manager
Design and construction of three-quarters of a mile of new urban street section known as 50th Street West
Included underground utilities: water, sewer, and storm improvements
Coordination with City of Williston CVS Stores – MT Role: Civil Design Engineer
Site Development on multiple retail stores throughout Montana
Miles City, Billings, Helena, and Bozeman locations Bozeman Water Reclamation Facility – Bozeman, MT Role: Civil Design Engineer
Site hydrology calculations and grading/drainage design Bozeman Water Treatment Plant – Bozeman, MT Role: Hydraulic Design Engineer
Site hydrology calculations and grading/drainage design Starling Meadows Subdivision – Kalispell, MT Role: Project Manager
Master planning and design assistance for 640-acre Planned Unit Development
Design of road, water, sewer, and storm infrastructure plans and specifications
We create solutions that build better communities
Molly Davidson, P.E Peer Review
Molly Davidson is a water resources engineer with experience planning and design of storm drainage and water resource projects. Her storm drainage systems background also includes storm water quantity systems including
detention/retention ponds, pipes and open channel conveyance structures,
storm water inlets, energy dissipaters and modeling using SWMM methodology. Her expertise includes Storm Water Master Plans including operations and utility start-up. Her water resource experiences include stream and bank rehabilitation, erosion control, grading and drainage improvements
including riparian permits and NEPA. She is proficient with grant writing and
administration and managing complex water resource projects.
City of Missoula Storm Water Facility and Operations Planning Project, Missoula, MT Role: Project Engineer
Assisted the City of Missoula with a planning document to provide guidance to the newly formed Storm Water Utility.
The planning document included review of background documentation, levee systems, operations needs, and a short-term capital improvement plan.
Capital Improvement Planned assessed and provided recommendations for highest priority storm water projects.
Caras Park Outfall Water Quality Pretreatment Retrofit, Missoula, MT Role: Project Manager
Project manager for the retrofit design and construction of a water quality treatment system for the Caras Park Outfall
The design included a hydrodynamic separator to treat storm water collected throughout downtown Missoula
The construction was in a high use area within Caras Park located in downtown Missoula
Design and construction considered the potential for high ground water, public interactions and preventing interruptions to park events
City of Missoula Gharrett Street Storm Drainage, Missoula, MT Role: Project Manager
Engineer selected to reduce erosion impacts from teh Gharrett Street drainage.
Project will involve restoration of damaged drainage and will install mitigating infrastructure.
South Central Arterials, Great Falls, MT Role: Project Manager
Design Engineer for storm water portion of the 1.5 mile reconstruction of streets in the south central location of Great falls
Oversaw hydrologic and hydraulic analysis using EPA’s storm water Management Model (SWMM) to determine runoff flows and size new storm drain collection system
• 20 Years’ Experience
• Missoula Office
Education BS Civil Engineering, Bio-Resources Option; 2000 Montana State University Shipley Group Overview of the NEPA Process; 2016 FEMA Hazard Mitigation Program Benefit Cost Analysis and Preparing Quality Grant Applications; June 2019 Irrigation School of Design; Irrigation Training and Research Center; March 2013
2 | Page
Relevant Experience Molly Davidson – Peer Review
We create solutions that build better communities
Registration Professional Engineer: Montana No. 15053 Wyoming No. 16312 Professional Associations Montana Association of Dam and Canals – Board Director
Women in Engineering Group
Clark Fork and Kootenai River Basins Council
Professional History 2001-Present, Morrison-Maierle Senior Engineer
1999, 2000 (Summer) Morrison-Maierle Technician
Storm Water Quality Protection Study, Missoula, MT Role: Project Manager
Project Manager for preliminary engineering analysis of alternatives for storm water quality improvement at two high priority outfalls
The analysis evaluated structural engineered solutions, infiltration, filtration, riparian buffers, wetland cells, and biological treatments
Longfellow Elementary School Storm Water Quality, Great Falls, MT Role: Project Engineer
Design Engineer for storm water quantity and quality design features.
Storm water quality design elements included bio-retention cells and hydrodynamic separator.
Oversaw hydrologic and hydraulic analysis using EPA’s storm water Management Model (SWMM) to determine runoff flows and size new storm drain collection system
City of Bozeman Sunset Hills/Lindley Park Irrigation Master Plan, Bozeman, MT Role: Design Engineer
Project engineer for this master plan effort that includes replacement of an irrigation diversion on Sourdough Creek, canal re-alignment and lining, irrigation lift station, efficiency improvements to existing irrigation pipelines, and water rights research
This project will provide irrigation water to Lindley Park and Sunset Hills Cemetery by converting the water source from treated municipal water to surface water from Sourdough Creek resulting in significant cost savings to the City
City of Sidney – Storm Water Utility Master Plan, Sidney, MT Role: Project Manager
Coordinated with DEQ representatives to determine applicability of MS4 permit requirements with the City
Established a GIS database of existing infrastructure with record drawings and survey data
Delineated Hydraulic Basins across the city using DNRC topography
Prepared a storm water model using SWMM
Gathered hydrologic data including precipitation, soil characteristics, and impervious cover factors based on city future and existing zoning plans
Recommended rules and ordinances to be added to City code
We create solutions that build better communities
Neal “Pat” Eller, PG Groundwater Support
Mr. Eller has over 20 years of experience in groundwater characterization, supplyand well design throughout Montana, Arizona, Idaho, Utah, Wyoming, North Dakota and South Dakota. He provides groundwater services to municipal, development, and agricultural clients. Mr. Eller has experience in groundwater and geological investigations for groundwater supplies, water quality assessments, aquifer characterizations, groundwater and surface water interaction, well construction design and well head protection. He is experienced in all types of production and monitoring well drilling practices. He is experienced in measurement of discharge of small streams. He regularly performs water rights research, interacts with ditch companies, ditch riders, landowners, and the DNRC. He has extensive knowledge on permitting of new water rights, and changing existing water rights. Mr. Eller provides geologic services to the Opencut Mining industry in resource mapping, exploration, reclamation design and permitting.
•20 Years’Experience
•Bozeman Office
Education
BS Geology, 1997;Montana StateUniversity
Registration Professional Geologist:
ID No. PGL-1595
OR No. G-2430
UT No. 9520092-2250
WY No. PG-3921
Expertise
Groundwatersupplies
Water QualityAssessments
AquiferCharacterizations
Groundwater andSurface waterinteraction
Well ConstructionDesign
Well HeadProtection
Opencut MinePermitting andDesign
Municipal Production Wells, Utility Solutions, LLC - Bozeman, Montana Role: Geologist
Hydrogeologic assessment, wellsite supervision, inspection, designand permitting of Municipal production wells
Extensive drilling and testing program included fifteen test wells and 4supply wells using air rotary techniques
Well depths ranged from 70 to 640 feet with yields up to 1,100 gpm
First project in Montana to augment new consumptive uses throughinfiltration of surface water to groundwater
Multiple water right applications and change applications along withexpert witness in multiple water right hearings
City of Bozeman Water Treatment Plant – Bozeman, MT Role: Geologist
Hydrogeologic assessment of site for disposal of effluent and system process water
Oversight of monitoring well drilling and testing program
Groundwater discharge permit
EPA Class V Injection permitting
Preliminary assessment of non-degradation and groundwater discharge permitting compliance.
Alternatives analysis for disposal
City of Bozeman Wastewater Facility – Bozeman, MT Role: Geologist
Investigation of groundwater system underlying the wastewater facility for the City of Bozeman
Drilling of exploratory holes
2 | Page
Relevant Experience Neal “Pat” Eller – Groundwater Support
We create solutions that build better communities
Professional Associations
National Ground Water Association
American Water Resources Association
American Institute of Professional Geologists
Professional History
1998-Present: Morrison-Maierle, Project Geologist
1997-1998: Columbine Logging, Inc., Wellsite Geologist
Development of a water table contour map
Characterization of the aquafer through aquifer testing with multiple observation wells Four Corners – Bozeman, MT Role: Geologist
Surface water rights were identified on properties around Four Corners that were supplied by four major ditches
Stream flow measurements performed on numerous ditches using a standard pigmy meter following USGS techniques
Identification of water rights owners, past and present irrigation practices, consumptive use requirements for crops, ditch flows, historical ditch operations, ditch losses, ditch easements, and potential new ditch alignments for new developments in the area Belgrade Interchange Project – Belgrade, MT Role: Geologist
Investigation of groundwater levels and surface water rights in the vicinity of the proposed Belgrade Interchange
Groundwater elevation was projected below the site using historical groundwater elevation data and neighboring well information along with groundwater trends for the last fifty years
Surface water rights were identified along Spain-Ferris ditch and past and present irrigation practices were analyzed
Cemetery Irrigation Project and Water Rights Investigation – Bozeman, MT
Role: Geologist
Feasibility study to determine the potential for removing the cemetery from City water by using existing surface water rights or a new groundwater source
Water rights investigation recommended use of existing surface water rights for irrigation using new screen and lift station Autumn Ridge Water Supply – Bozeman, MT Role: Geologist
Water supply investigation for proposed subdivision along Bridger Mountains
Completion of three public eater supply wells to 535 to 600 feet in tertiary-aged gravels that produced 50 to 75 gpm
We create solutions that build better communities
Brad J. Hammerquist, PE Design Standard Coordination and Cost Estimating
Brad Hammerquist is a civil engineer with an emphasis on water, wastewater,
and land development practices. He has designed and managed
multidisciplinary projects of various sizes for cities, government agencies, industrial, and private entities in Montana, Alaska, Minnesota, and throughout the United States. Brad has increasingly focused on projects related to
municipal and industrial wastewater treatment design, plant renovations,
trenchless pipe rehabilitation technologies, pump stations, wastewater
collection systems, and water distribution systems. He has experience implementing design standards for a wide range of communities and businesses in many geographic areas. Brad worked extensively with the
Minnesota agency responsible for conveying and treating wastewater for the
Twin Cities metropolitan area which serves a population of over two million
people. He is currently involved in water-wastewater and land development engineering for Morrison-Maierle.
• 16 Years’ Experience
• Bozeman Office
Education BS Civil Engineering, 2004, Montana State University
Registration Professional Engineer:
MT No. 51010
AK No. 12841
MN No. 50302
TX No. 121071
Expertise
Project Management
Civil Engineering
Water/Wastwater Treatment Plants
Professional History 2016-Present: Morrison Maierle, Project Engineer/ Manager
2012-2016: TKDA, Project Manager
Bozeman Gateway Subdivision – Bozeman, MT Role: Construction Administration and Management
73-Acre mixed commercial/residential development
Coordinated infrastructure installation with the concurrent construction of a grocery store, bank, and office building
Constructed city streets, water, sewer, and storm drain systems, underground detention and infiltration basins, decorative water features, and bridges
Managed survey, inspection, and materials testing activities
Oak Meadows Subdivision – Bozeman, MT Role: Construction Administration and Management
Mixed commercial/residential development
Provided design support, plan preparation, construction administration, and created stakeout data for construction surveys
Managed survey, inspection, and materials testing activities
North Star Subdivision – Bozeman, MT Role: Construction Administration
Mixed commercial/residential development with over 400 lots
Created new water, sewer and storm drain facilities
Provided design support, plan preparation, construction administration, and created stakeout data for construction surveys
Four Corners Water and Sewer District Design Standards – Bozeman, MT Role: Project Manager/Engineer
Update District Design Standards
Update District Standard Drawings
Review plans and specifications for conformance with District Standards
2 | Page
Relevant Experience Brad J. Hammerquist, PE – Design Standard Coordination and Cost Estimating
We create solutions that build better communities
2011-2012: ECAD Engineering, Design Engineer
2007-2012: CRW Engineering Group, LLC, Design Engineer
2005-2007: Morrison Maierle, Designer/Construction Inspector2000-2003: City of Billings Public Works, Seasonal Intern
Metropolitan Council of Environmental Services Standard Details – Minneapolis-St. Paul Metro, MN Role: Project Manager
Updated and created new standard drawings related to all facets of the regional wastewater system
The system consists of 600 miles of interceptor pipelines, 62 lift stations, 206 metering sites, and eight wastewater treatment plants
Standards used for wastewater projects in the seven-county Minneapolis and St. Paul metropolitan area which includes over 180 communities
Four Corners Water and Sewer District Water Reclamation Facility – Bozeman, MT Role: Project Manager
Design and construction administration of a new Sequencing Batch Reactor Water Reclamation Facility
Initial capacity of 0.4 MGD and provisions to expand to 1.2 MGD
Determine preferred funding mechanism and secure SRF funding
Interceptor Rehabilitation of 1-RV-433, 1-RV-430, 8851, and Meter 049 Improvements – Roseville and St. Paul, MN Role: Project Manager
Construction of a new open channel wastewater flow meter
Rehabilitate 4,500 feet of 24-inch to 48-inch interceptor piping with CIPP lining
Temporary conveyance of large quantities of wastewater
Stakeholder coordination included three cities, two watershed districts, a public school district, Ramsey County, and several permitting agencies in addition to adjacent residential and commercial property owners
St. Cloud Phase IV Interceptor Rehabilitation – St. Cloud, MN Role: Project Manager
Design and construction administration for rehabilitation of large diameter RCP interceptor. Selected rehabilitation methods to minimize impacts to high traffic roads and businesses
Rehabilitate 4,700 feet of 60-inch diameter RCP and 3,000 feet of 54-inch with FRP sliplining in live flow conditions
Rehabilitate 1,200 feet of 60-inch diameter RCP with CIPP lining.
Rehabilitate double barrel siphon with CIPP lining
Sherman Street Lift Station – St. Paul, MN Role: Project Manager
Improvements to early 1900’s sandstone and brick storm drain tunnel in Mississippi River bluff.
Drill new access shaft, increase tunnel cross-section, and reinforce sandstone walls
We create solutions that build better communities
Jon Wilkinson is a licensed surveyor in Montana and Utah and is a Certified Federal Surveyor with experience in conducting boundary, topographic, construction, and ALTA surveys. He is involved in creating subdivision plats, certificates of survey, topographic surfaces, construction layout and CAD drafting for various private and government entities. Responsibilities include boundary analysis and drafting for subdivision plats, certificates of survey, certified corner records, and easement exhibits. Topographic surveys for subdivision design, ALTA surveys, highway design, city street design, powerline design, and hydrology. Construction layout for water, sewer, roads, utilities, buildings, parking lots, and machine control. Experience with Civil 3D, Micro Station/Geopak, Trimble Business Center, GPS, robotic and conventional total stations, digital and optical levels, and scanning.
City of Bozeman - FY 2018-2021 Capital Improvements Project, Bozeman, MT Role: Professional Land Surveyor
Control survey, Topographic Design survey and Scanning, W. Koch St., N. Bozeman Ave., S. 5th Ave.., N. Tracy Ave., Augusta Dr., W. Harrison St., N. 17Th Ave., and S 6th Av
Civil 3D topo surface processing and plan sheet deliverables to City
Nelson Meadows Subdivision, Bozeman, MT Role: Professional Land Surveyor
ALTA/NSPS survey, Topographic Design survey
Construction staking of water, sewer, storm, utilities, and roads
Control Survey for staking and contractor machine control
Civil 3D drafting for ALTA, Topo, Final Plat, and easements
The Lakes Subdivision Phases 1-6, Bozeman, MT Role: Professional Land Surveyor
Topographic Design survey
Construction staking of water, sewer, storm, utilities, and roads
Control Survey for staking and contractor machine control
Civil 3D drafting for Final Plats Phases 3-6
City of Bozeman - North 7th Lighting Design and Construction, Bozeman, MT Role: Professional Land Surveyor
Control survey, topographic survey, construction staking, and mapping of North 7th corridor
Prepare easement legal descriptions
• 22 Years’ Experience
• Bozeman Office
Education Const Engineering Tech BS, 1998; Montana State University
Registration UT PLS 7276002-2201, 2009 MT PLS 16411, 2008 CFedS PLS 1405
Expertise
Construction Layout Surveys
GPS/GNSS
MDT Surveys
NWE Powerline Surveys
PLSS Boundary
Robotic Total Station
Topographic Surveys
Professional Associations Montana Association of Registered Land Surveyors
Jon Wilkinson, PLS Survey Manager
2 | Page
Relevant Experience
Jon Wilkinson, PLS - Survey Manager
We create solutions that build better communities
City of Bozeman - East Peach, Tamarack, and Ida Rehabilitation Project, Bozeman, MT Role: Professional Land Surveyor
Control survey, topographic survey, boundary survey, and retracement of street rights-of-way
City of Bozeman - Water Renovations Project, Bozeman, MT Role: Professional Land Surveyor
Control survey, topographic survey, and retracement survey, and mapping of N. Rouse, E. Bryant, N. Montana, E. Mendenhall, E. Story, and Dell Place
Montana State University - College of Business and Miller Dining Hall, Bozeman, MT Role: Professional Land Surveyor and Party Chief
Control survey, topographic surveys and construction staking
Professional History 2007-Present: Morrison-Maierle, Professional Land Surveyor
2002 - 2007: Montana Department of Transportation, Survey Party Chief
John Ghilarducci Résumé – Page 1
EDUCATION
■ MPA, Organization and Management, University of
Washington
■ BS, Economics, University of Oregon
CAREER SUMMARY
■ 32 years (since 1988) professional experience
■ Joined FCS GROUP in 1991
EXPERTISE
■ Stormwater and Transportation Utility Formations
■ Water, Sewer, Stormwater, & Transportation Utility
Rates
■ System Development Charges (SDCs), Impact Fees,
General Facilities Charges (GFCs), Capital Facility
Charges (CFCs) and Connection Charges
■ Transportation Funding
■ Comprehensive Plans Financial Elements
■ Litigation Support/Expert Witness
■ Financial/Feasibility Studies
■ Special Cost of Service
■ Options Analysis
PROFESSIONAL AFFILIATIONS
■ American Water Works Association
■ American Public Works Association
■ Oregon Government Finance Officers Association
CONTACT
■ JohnG@fcsgroup.com
(425) 336-1865
“FCS GROUP was able to assist Maple Valley in a stormwater
rate study on a tight schedule (less than 5 months), that
resulted in our Council adopting a 6-year rate increase
structure of 17% in the first 3 years and 3% for the following 3
years and agreeing to adopt a new rate structure. FCS GROUP
supported the City through evaluating our program and CIP
plan and used their prior experience to make sure we were
considering all of our expenditure needs in the near future. I
was especially impressed by their presentations to our City
Council, they were consistently prepared, clear, and were able
to address all of the Council’s concerns. I now feel confident
that our program will remain adequately funded by rates that
are equitable and defensible. Best of all, I believe we have
established a trusting relationship with Council because of this
process and they have a better overall understanding of our
program and future funding needs.” - Halley Kimball, P.E.,
SWM/NPDES Program Manager, City of Maple Valley
John Ghilarducci is president of FCS GROUP, as well
as a principal and shareholder with 32 years of
professional experience and more than 29 years with
the firm. His practice focuses on all aspects of utility
rate studies and formations, as well as impact fees /
system development charges (SDCs) -- from policy
and technical analysis to public involvement,
ordinance drafting and implementation. He has
formed almost thirty stormwater and transportation
utilities and has developed water, sewer, stormwater,
transportation and parks rates and charges for more
than one hundred clients.
John’s innovative rate making approaches have
resulted in “level of service” stormwater rates, area-
specific SDCs, sewer strength sub-classes, inverted
block water rate structures, defensible stormwater
rate credit methodologies, and nonresidential park
impact fees. He offers a broad knowledge of public
policy and finance, and a thorough understanding of
the institutional issues and options underlying the
formation of utilities and the design of supporting
rate and charge structures. In addition to most of
the the projects listed in the experience matrix
included in this proposal, John offers the following
specific, related experience:
City of Monmouth, OR | Stormwater Utility Formation
Key Personnel: John Ghilarducci, Managing Principal
Reference: Russ Cooper, Public Works Director
(503) 838-2173, rcooper@ci.monmouth.or.us
Currently performing a comprehensive stormwater
utility formation. Developed recommended fiscal
and rate policies with staff and Council. Worked
with staff and an engineering partner to develop
operating and capital level of service budget
options. Calculated rates for optional service levels.
Participated in targeted stakeholder outreach,
including meetings with the City’s largest customer,
Western Oregon University. Participated in a well-
attended open house to solicit input on the proposed
utility and supporting rate. The Council will
consider adoption in the coming months, targeting
July 1, 2020 for implementation and initial billing.
John Ghilarducci
Principal-in-Charge
FCS GROUP
John Ghilarducci Résumé – Page 2
City of Coeur d’Alene, ID | Stormwater Utility
Formation and Rate Study
Key Personnel: John Ghilarducci, Managing Principal
Reference: Mike Gridley, City Attorney
(208) 769-2348, mgridley@cdaid.org
Performed a comprehensive stormwater rate
structure study (2012-13) for the City of Coeur
d’Alene after the Idaho State Supreme Court ruled
that the stormwater rate in Lewiston was an illegal
tax. Coeur d’Alene took the lead in trying to craft a
defensible fee with FCS GROUP’s assistance. All
recommendations were adopted. To date, there have
been no challenges to the resulting approach ,
which includes area-specific rates (2 areas or
zones), charges for impervious surface area that
actually drains to the public system, and a restated
emphasis on the regulatory nature of the program.
Previously, in 2004, FCS GROUP led the formation
of the stormwater utility, participating in an
exhaustive public process and calculating initial
rates and charges.
City of Redmond, OR | Stormwater Utility Formation
Key Personnel: John Ghilarducci, Managing Principal
Reference: Bill Duerdon, Public Works Director
(541) 504-2001, bill.duerden@ci.redmond.or.us
Performed a stormwater utility formation for the
City of Redmond, Oregon. The City requires that
all development retain and infiltrate stormwater
runoff on-site, so there is no traditional stormwater
system in the City, save for the system that serves
City streets. FCS GROUP developed, and Council
adopted, a stormwater rate based on trip generation
instead of the traditional impervious surface area
basis.
City of Redmond, WA | Stormwater Rate Studies
Key Personnel: John Ghilarducci, Managing Principal
Reference: Kelley Cochran, Financial Planning Manager
(425) 556-2748, kcochran@redmond.gov
FCS GROUP’s stormwater rate work with the City
of Redmond began in 1993 and was followed by
subsequent rate and SDC updates in 1998, 2004,
2006, 2008, 2010, 2012-13, 2015, and 2017-18. In
2010, FCS GROUP performed a comprehensive
stormwater rate equity study and worked with City
staff and a citizen advisory committee to examine
rate equity and recommend improvements to the
City’s rate and credit structures. Several critical
policy initiatives were addressed: basis of charges
(impervious surface area), value of the equivalent
residential unit, and effectiveness of development
density rate factors, among others. Resulting
recommendations included an updated rate credit
program intended to improve rate equity for
customers who provide qualifying on-site
mitigation.
City of Surprise, AZ | Stormwater Utility Formation
Key Personnel: John Ghilarducci, Managing Principal
Reference: Terry Rowe, Public Works Director,
(623) 222-6025, terry.rowe@surpriseaz.gov
Performed a comprehensive stormwater utility
formation study that included an analysis of key
policy and legal issues, compilation of customer
data developed by City staff, and detailed rate and
rate credit calculations. FCS GROUP presented
findings to the City Council, and participated in two
open houses in support of the proposed utility.
Recommendations were adopted and the City began
charging the stormwater utility rate in 2016.
Pierce County, WA | Stormwater Rate Study
Key Personnel: John Ghilarducci, Managing Principal
Reference: Harold Smelt, PE, SWM Utility Manager
(253) 798-2952, harold.smelt@co.pierce.wa.us
Performed a comprehensive surface water rate
study for the County in 2015. The study included
calculating rate alternatives for varying service
level options, evaluating rate structure and credit
options, and working with County staff on outreach
through the Council adoption process. Key
recommendations were adopted.
City of Des Moines, WA | Stormwater Rate Study
Key Personnel: John Ghilarducci, Managing Principal
Reference: Loren Reinhold, Public Works Director
(206) 870-6524, LReinhold@desmoineswa.gov
Performed stormwater rate services to the City of
Des Moines since 1998. FCS GROUP prepared a
stormwater rate and financial analysis as part of
comprehensive plan, developed level-of-service
stormwater rates, and has forecasted rates sufficient
to meet regulatory requirements and minimum level
of service standards. In 2012, FCS GROUP
performed a comprehensive rate structure and rate
credit analysis, resulting in a tiered residential rate
and rate credit system featuring credits for on-site
water quality and quantity mitigation. All
recommendations were adopted. FCS GROUP
subsequently completed a stormwater revenue
requirement update.
Tage Aaker Résumé – Page 1
EDUCATION
■ BA, Business Administration, Finance Concentration,
University of Washington
CAREER SUMMARY
■ 10 years (since 2010) professional experience
■ Joined FCS GROUP in 2011
EXPERTISE
■ Financial Modeling and Forecasting
■ Equitable Rate Design
■ Cost-of-Service Rate Design
■ Stakeholder Communications
■ Quality Assurance
■ Comparative Research
ASSOCIATIONS
■ Washington Finance Officers Association Education
Committee
CONTATCT
■ TageA@fcsgroup.com
(425) 615-6487
“FCS GROUP [and Tage Aaker] did a great job for us on our
recent stormwater rate study. They provided a well-thought-
out and tested approach to updating and modernizing our
stormwater rate system and were able to give our team a good
sense of how various proposed changes would affect our rate
payers. Since we were new to rate studies, it was critical that
we could rely on their extensive regional experience, as well as
their comprehensive ability to benchmark our rates with our
neighboring cities. I especially appreciated their “can-do”
attitude and enthusiasm for the project, and we were very
happy with the results.”
– Laura Reed, Stormwater Program Manager, City of
Mountlake Terrace.
Tage Aaker is an FCS GROUP project manager
with nine years of consulting experience in utility
rate studies, rate modeling, utility valuations,
government fee development, cost recovery
programs, and economic analysis for clients in
Washington, Oregon, Nevada, Alaska, California
and Canada.
Tage specializes in developing sophisticated yet
practical Excel-based rate modeling tools to help
clients evaluate the rate impacts of desired levels of
service which incorporate operating and capital
expenditures as well as fiscal policy achievement.
He has also performed in-depth analysis of
stormwater rate structures and rate credit programs
which has helped clients and decision makers
evaluate and adopt more-equitable rate structures
and rate credit programs. Tage has significant,
recent experience with multiple stormwater utility
rate studies, a select few of which are shown below:
Whatcom County, WA, Lake Whatcom Stormwater
Utility Formation (2018-2019)
Key Personnel: Tage Aaker, Project Manager
Reference: Gary Stoyka, Natural Resources Program
Manager, Whatcom County, WA 360-778-6218
gstoyka@co.whatcom.wa.us
Project manager responsible for a study to help
evaluate stormwater fee structure options for the
new stormwater utility service area. Stakeholder
engagement was critical to the success of this
project, and FCS GROUP helped facilitate two
public meetings and ten citizen advisory committee
meetings. These meetings helped determine
recommendations for rate structures, fiscal policies,
rate credits, capital facilities charges, and
implementation policies. FCS GROUP also helped
present results to County Council. Adopted results
included equitable rates to generate over $800,000
per year to fund programs to help the County meet
federal and state water quality requirements.
Tage Aaker
Project Manager
FCS GROUP
Tage Aaker Résumé – Page 2
City of Federal Way, WA, Surface Water Management
Utility Rate Update (2019)
Key Personnel: Tage Aaker, Project Manager
Reference: Theresa Thurlow, P.E. , Surface Water
Manager, (253) 835-2750,
Theresa.Thurlow@cityoffederalway.com
Project manager responsible for a comprehensive
revenue requirement and rate design analysis. A
system development charge was also calculated for
the City. The City needed to remain in compliance
with the Western Washington Phase II Municipal
Stormwater permit program, as established by the
NPDES permit. Developed multiple issue papers to
provide guidance on reserve policies, rate structures
and rate credit programs. The Council-adopted level
of service provided funding for $35.8 million of
capital plus approximately $700,000 of additional
annual operating expenses related to permit
compliance.
Grants Pass, OR
Stormwater Utility Formation (2018-2019)
Key Personnel: Tage Aaker, Project Manager
Reference: Jason Canady, Public Works Director,
Grants Pass, OR, 541-450-6110
jcanady@grantspassoregon.gov
Project manager responsible for a stormwater utility
formation study that developed an equitable rate
structure, created an analytically based rate credit
program, incorporated a multi-year phase-in rate
implementation plan, helped develop utility
ordinance and resolution language, and provided a
review and update for the City’s stormwater system
development charge. The study resulted in adopted
rates that will help equitably recover the costs of
stormwater management within the City, which
include maintenance, materials and supplies,
customer service, and other operational
expenditures, estimated to be $700,000 per year.
These rates are also expected to help cash-fund
approximately $1.5 million per year of capital by
the third and final year of the desired three-year
phase-in plan.
City of Mountlake Terrace, WA
Stormwater Rate Study (2019)
Key Personnel: Tage Aaker, Project Manager
Reference: Laura Reed, Stormwater Program Director
(425) 744-6226, lreed@ci.mlt.wa.us
Project manager responsible for leading a rate study
which included a five-year revenue sufficiency
analysis, a review of the City’s existing credit
program, and an update to the capital facilities
charge. Three levels of service were developed to
address capital and operating needs as well as
National Pollutant Discharge Elimination System
(NPDES) compliance requirements, while
balancing the impact on existing and future
ratepayers. Results included an adopted 95% rate
increase in 2020.
City of Maple Valley, WA
Surface Water Mgmt. (SWM) Rate Study (2019)
Key Personnel: Tage Aaker, Project Manager
Reference: Halley Kimball, P.E., SWM/NPDES Program
Manager, 425-413-6646,
Halley.Kimball@maplevalleywa.gov
Project manager responsible for leading a rate study
for the SWM Utility, which included a revenue
sufficiency analysis as well as a review of the
City’s existing rate structure and credit program.
The utility rate study covered a period from 2020-
2025, to coincide with the City’s adopted capital
improvement program. Project involved evaluating
capital costs that included $10.5 million in spending
for culvert replacements, drainage improvements,
pond fencing and other stormwater related projects.
Results include an adopted funding plan, which
spread rate impacts over a three-year period.
City of Sammamish, WA
Surface Water Rate Study (2017-2018)
Key Personnel: Tage Aaker, Project Manager
Reference: Cheryl Paston, P.E., M.A., Acting Public
Works Director, (425) 295-0572,
cpaston@sammamish.us
Project manager responsible for a rate study for the
surface water utility, which included a revenue
sufficiency analysis as well as a review of the
City’s existing rate structure and rate credit
program, plus a review of the City’s existing system
development charges. A significant element of the
project involved the evaluation of the City’s
existing rate structure. The surface water utility had
a tiered rate structure for commercial parcels, with
different per-acre rates depending on the percentage
of impervious surface area within the lot. This
approach created inequities at the extreme ends of
each tier. FCS GROUP developed a new rate
structure based on measured impervious area
expressed as equivalent service units (ESU).