HomeMy WebLinkAbout16- Amendment 6 for Bozeman Wastewater Treatment Plant Phase 1 Improvements PSA AMENDMENT NO. 06
TO
PROFESSIONAL SERVICES AGREEMENT
FOR
BOZEMAN WASTEWATER TREATMENT PLANT PHASE I
IMPROVEMENTS
THIS IS AN AGREEMENT made as of, `; , 2016 between THE CITY OF
BOZEMAN, a Municipal Corporation, P.O. Box 1231, Bozeman, Montana, 59771-1230
(OWNER) and HDR Engineering Inc., 8404 Indian Hills Drive, Omaha, NE 68114-4098,
(ENGINEER).
WHEREAS the parties previously entered into a Professional Services Agreement dated
April 9, 2007, herein referred to as the Original Agreement, and amended on December I, 2008,
herein referred to as Amendment No. 1; amended on July 16, 2012, herein referred to as
Amendment No. 2; and amended on February 25, 2013, herein referred to as Amendment No. 3;
and amended on December 8, 2014, herein referred to as Amendment No. 4; and amended on
April 20, 2015 herein referred to as Amendment No. 5, and
WHEREAS, the scope of the Original Agreement included preliminary design
and design engineering services, Amendment No. 1 included construction services, Amendment
No. 2 included TMDL Technical Assistance; Amendment No. 3 included additional software
programming and additional construction observation, startup and observation services
associated with repair of Digester No. 3 and extension of the construction period for the Digester
No. 3 and Solids Handling Building (Phase 3) Project; Amendment No. 4 included additional
corrective action assistance and startup and observation services associated with repair of
Digester No. 3, design and procurement assistance with correction of leaking digester mixer
seals at Digester No. 1 and Digester No. 2 and additional follow-on technical assistance to the
City of Bozeman regarding the Montana DEQ's East Gallatin TMDL process; Amendment No. 5
to add additional follow on services for the TMDL Technical Services, and
WHEREAS, the parties desire to amend provisions of the Original Agreement,
Amendment No. 1, Amendment No. 2, Amendment No. 3, Amendment No. 4, Amendment No.
5, and additional professional engineering services for Amendment No. 6.
NOW, THEREFORE, IN CONSIDERATION OF THE MUTUAL COVENANTS
CONTAINED HEREIN,the parties agree as follows:
The conditions and provisions set forth below, are hereby incorporated in and made part of this
Agreement.
1
is
ARTICLE 4 -Basic Engineering Services
Section 4.5.5. added to the Original Agreement as follows:
"4.5.5. Additional Construction Contract Services. In addition to the services provided
under Article 10 (Exhibit A) and Section 4.5.1 of the Original Agreement, the
ENGINEER shall provide the Additional Construction Contract Services during
construction under Task 2000- Digester Control Building Biosolids Loadout Truck
Preliminary Design Memorandum, Task 2001 —Digester Control Building DSL and
TWAS Sludge Piping Modification Design, Task 2002 — DAF Modifications
Preliminary Design Report, TASK 2003 —Biotrain No. 1 Modifications Preliminary
Design, Task 2004 — Hot Water Heat Loop Evaluation and Preliminary Design,
Task 2005 — Secondary Clarifier Launder Covers Technical Design Package
Development,Task 2006—Digester No. 3 Corrective Action Assistance.
Article 6 - Compensation For Engineering Service
Article 6.2 of the Original Agreement and Amendments is replaced with the following:
"6.2 DIRECT LABOR COST PAYMENT FOR BASIC SERVICES AND
EXPENSES OF ENGINEER.
Construction and project documentation services performed as Basic Engineering Services under
Sections 4.4 through 4.7 (Tasks 700, 800 & 900 in Exhibit C, and Tasks 1100, 1200,
1300, 1400, 1500, 1600 & 1700 in Exhibit F, and new Tasks 2000, 2001, 2002, 2003,
2004, 2005, 2006), including General Administration of Construction Contract, Resident
Project Representation, Project Documentation, Construction Testing, Bidding, Project
Startup & Commissioning, Application Software Programming and Project Closeout,
Programming and Digester Liner Repair Observation and Contract Closeout, Added
Digester Control Building Biosolids Loadout Truck Preliminary Design, Digester
Control Building DSL and TWAS Sludge Piping Modification Design, DAF
Modifications Preliminary Design, Biotrain No. 1 Modifications Preliminary Design.,
Hot Water Heat Loop Evaluation and Preliminary Design, Secondary Clarifier
Launder Covers Technical Design Package Development, and Additional Digester
No. 3 Corrective Action Assistance
services shall be compensated in accordance with the following:
6.2.1 The OWNER shall pay for Bidding Phase, Construction Phase and Project
Documentation Services an amount not to exceed $4,891204
($129,957{SubTasks 700, 800 and 900 Exhibit C}+$4,767,571 {SubTasks 1100,
1200, 1300, 1400, 1500, 1600, 1700 Exhibit F}+$123,633 {SubTasks 1800, 1900
Exhibit H}, + $96,782 {Subtasks 2000 to 2006 Exhibit II) except as provided
under 6.2.1.2 and 6.2.4.
6.2.1.1 Costs Compensation. Compensation for these services shall be based on
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the ENGINEER's Direct Labor Cost times a factor of 3.15 for services rendered
which shall cover Direct Labor, Direct Labor Overhead, General &
Administrative Overhead and Profit, plus reimbursable expenses as provided in
6.2.2.
6.2.1.2 Notification. At any time during the construction that it becomes apparent
that the Bidding Phase, Construction Phase and Project Documentation Services
rendered under this Agreement will exceed the negotiated compensation for these
services, and prior to performing services in excess of the contract ceiling, the
ENGINEER shall give OWNER written notice thereof. Promptly thereafter
OWNER and ENGINEER shall review the scope and progress of the project
work. ENGINEER shall obtain written authorization from OWNER, prior to any
additional costs being incurred under paragraph 6.2.1.3. If it is determined that
due to a change in project scope under paragraph 5.2.1,the ENGINEER is entitled
to additional compensation, OWNER and ENGINEER may negotiate terms as
provided under 6.2.1.1. The amount and terms of any additional compensation
under 6.2.1.1 or 6.2.1.3 shall be negotiated and agreed in writing pursuant to 9.16.
6.2.1.3 Costs Exceeding Estimated Compensation. Except as allowed under
5.2.1, when the total cost of the original scope Construction Phase and Project
Documentation Services exceeds the negotiated compensation for these services,
the OWNER shall pay only for the direct costs incurred in excess of the estimated
compensation. These costs consist of an amount equal to the ENGINEER'S
Direct Labor Cost times a factor of 2.80 for services rendered which shall
include Direct Labor, the federally audited payroll Direct Labor Overhead, and
General & Administrative Overhead costs, but shall not include any allowance for
profit.
6.2.2. Failed Test Expenses. The ENGINEER shall maintain and provide to the
OWNER, a record of the costs associated with failing quality control tests
performed for the OWNER during the course of the construction of the project
and recommend an amount the OWNER deduct from the contractor(s) payments.
6.2.3 The OWNER shall pay an amount for Additional Services rendered by the
ENGINEER and approved in writing by the OWNER on the basis of the
ENGINEER'S Direct Labor Costs times a factor of 3.15, or an amount otherwise
negotiated at the time such services are requested and approved by the OWNER.
Additional Services also include those services defined in SubTask 1000 of
Exhibit C, in an amount not to exceed $100,000."
6.2.4.Not used.
Except as specifically amended herein, the Original Agreement and Amendments 1-5
shall remain in full force and effect and the parties shall be bound by all terms and
conditions therein.
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In witness whereof,the Parties hereto do make and execute this Agreement.
CITY OF BOZEMAN,MONTANA HDR ENGINEERING,INC.
BY:CS4 •
BY // /
(City Manager) (Amanda McIhn s, P.E. Area Manager)
DATE: "' "- DATE:
ATTEST:
Ci Ierk)i,
( c, , •
4
EXHIBIT I
CITY OF BOZEMAN, MONTANA
WASTEWATER RECLAMATION FACILITY (WRF)
PHASE 1 EXPANSION
ADDITIONAL SCOPE OF SERVICES
Tasks
2000 ' Digester Control Building Biosolids Loadout Truck Bay
and Building Extension Cost Estimate
2001 Digester Control Building DSL and TWAS Sludge
Piping Modification Assistance
2002 DAF Modifications Preliminary Design Memorandum
2003 Biotrain No. 1 Modifications Preliminary Design
2004 ;'.Hot Water Heat Loop Evaluation and Preliminary
Design
2005 Secondary Clarifier Launder Covers Technical
Assistance
2006 Digester No. 3 Corrective Action Assistance
is
Task 2000 — Digester Control Building Loadout Truck Bay
and Building Extension Cost Estimate
Objective:
Provide assistance to the City of Bozeman in developing a planning level cost estimate for
construction of an extension to the existing biosolids loadout truck bay and associated building
enclosure at the existing Digester Control Building. The existing truck bay was originally sized
to house a single roll-off dumpster and haul vehicle with a total hauling capacity of
approximately 12 CY. The City currently houses the truck and roll-off dumpster within the
associated building enclosure. The City proposes to expand the storage area to accommodate a
second roll-off dumpster and provide for full weather protection of two roll-off dumpsters and
the haul vehicle(s). Because maneuvering the haul vehicle is necessary for even distribution of
Exhibit I-Scope of Services 1 of 7 12/15/2015
the dewatered biosolids to be hauled off site, the building extension should plan for sufficient
space for maneuvering the vehicle. Alternatively, the City should evaluate whether to provide
for installation of a distribution conveyor to be located below the existing biosolids loadout
centerless conveyor. The existing loadout conveyor was originally configured to enable
installation of a cross conveyor with minimal modification to the current configuration.
Subtask 2000.1- Preliminary Cost Estimate
The preliminary evaluation will be based upon a more developed building footprint based upon
staff telephone interview. Two concepts will be developed to enable estimation of the range of
costs for building expansion. They will include the assumption that no additional screw press
capacity will be provided and the addition of a second screw press. No project meetings are
planned. Quality assurance and quality control review of the deliverables will be completed.
Deliverables:
• Cost estimate submittal for conceptual layouts for the no screw press and added ascrew
press options.
City Involvement:
• Timely review of submittals and coordination of all City review comments.
Task 2001 — Digester Control Building DSL and TWAS Sludge
Piping Modification Assistance
Objective:
Provide assistance to the City of Bozeman in conducting a preliminary evaluation of digested
sludge (DSL) and thickened waste activated sludge (TWAS) piping at the existing Digester
Control Building. The existing piping configuration currently connects to the sludge
recirculation piping and introduction of the digested and thickened sludge at that location is
creating problems with high system pressures,possible struvite formation in the digester heat
exchanger and increased TWAS pump discharge pressures. The evaluation will plan for a
revised piping route to discharge directly into Digester No. 3, without any detrimental impact to
the digested sludge recirculation system or high strength waste transfer piping.
Subtask 2001.1- Digester DSL and TWAS Piping Modification Technical
Assistance
HDR/MMI will provide assistance to the City for modification of the DSL and TWAS piping to
directly discharge to Digester No. 3 without impact to the digester sludge recirculation/heating
loop. The technical assistance will include evaluation of pipe routing concepts and presentation
of alternatives through sketches. A telephone workshop will be conducted with City personnel
to discuss the routing alternative and select a preferred pipe configuration. Outcome of the
telephone workshop will be summarized in a short memorandum that includes photograph
sketches and general description narrative for City use in developing a capital improvement plan.
Quality assurance and quality control review of the deliverables will be completed. It is assumed
the City will develop final specifications and construction documents for implementation of the
planned modifications.
Exhibit I-Scope of Services 2 of 7 12/15/2015
Deliverables:
• Piping layout options sketches (.pdf{sketch or marking on photos} format).
• Cost estimate for selected piping option.
City Involvement:
• Review of recommendations provided.
• Timely review of submittals and coordination of City review comments.
Task 2002 — DAF Modifications Preliminary Design
Memorandum
Objective:
Complete an evaluation of the existing Dissolved Air Flotation(DAF) unit to determine its
ability to be used as a side stream (ammonia) removal unit receiving the side stream discharge
from the screw press dewatering process and Waste Drain Tank. HDR/MMI will complete an
brief evaluation of the existing DAF tank condition and associated support equipment. In
addition, the tank volume and configuration will be evaluated for potential use as a side stream
treatment unit. Alternatives for side stream treatment including bio-augmentation, nitrification,
nitrification/denitrification and the use of Anamox bacteria will be considered. A preliminary
design memorandum with planning level cost estimate will be provided for the City's use in
development of their CIP. Quality assurance and quality control review of the deliverables will
also be conducted.
Subtask 2002. 1- Preliminary Design Memorandum
The preliminary engineering evaluation effort will include process analyses, equipment and
material alternatives assessment and a preliminary cost estimate. The preliminary evaluation
will be initiated by a process spreadsheet analysis of the viability of using the existing DAF
concrete tankage and available supports systems for use for side stream treatment of the
discharge from the screw press dewatering system. Quality assurance and quality control review
of the deliverables will be completed.
Deliverables:
• Preliminary Design Memorandum (digital file in .pdf format).
• Cost estimate submittal for preliminary design.
City Involvement:
• Review of recommendations provided.
• Participate in preliminary design development.
Exhibit I-Scope of Services 3 of 7 12/15/2015 jf
TASK 2003 — Biotrain No. 1 Modifications Preliminary Design
Objective:
Complete an evaluation of the existing Biotrain No. 1 to determine its ability to be modified for
use as a 5-stage Bardenpho process train. HDRIMMI will modify the existing process model to
determine the ability for conversion of the basins to 5-stage and will determine train capacity
under a 5-stage process design. HDR/MMI will identify process baffling options for use in
rertrofit of the existing basins and will evaluate modifications necessary to the aeration diffuser
system to accommodate the revised process train. Complete a preliminary design report with
recommended action and planning level cost estimate.
Subtask 2003. 1- Preliminary Design Memorandum
The preliminary engineering design effort will include existing facility conditions visual
assessment, process analyses, equipment and material alternatives assessment and preliminary
cost estimate. The preliminary design will be supported by the existing process BioWin TM
process model modified to evaluate the existing basins operating under a 5-stage process. The
technical memorandum will include the comments, ideas and decisions made by the team
following review of the DRAFT design memorandum. Recommended alternatives to be
advanced in the brief schematic design and considered by the City will also be included. Where
appropriate,HDRIMMI will review the alternatives so that equipment costs, operational
procedures and maintenance are considered prior to final process selection by the City. Quality
assurance and quality control review of the deliverables will be completed.
Deliverables:
• Preliminary Design Memorandum (digital file in .pdf format).
• Cost estimate submittal for preliminary design.
City Involvement:
• Review of recommendations provided.
• Participate in schematic design development.
• Timely review of submittals and coordination of City review comments.
Task 2004 — Hot Water Heat Loop Evaluation and Preliminary
Design
Objective:
Complete an evaluation of the existing campus wide hot water heat loop system and provide
options/ideas for reducing the heating loads on the existing boilers. HDRIMMI will complete an
updated summary of individual building heating loads for both summer and winter design
conditions. HDR/MMI will modify the original hot water heat loop spreadsheet model that
reflects as-built conditions. HDR/MMI will also model the summer(digestion heat load
requirement) and winter digester heating and campus heating conditions for evaluation of options
for reducing heat load to the existing boilers. Options including shedding hot water loads and
addition of alternative heating sources such as electric or natural gas fired unit heaters or air
Exhibit I-Scope of Services 4 of 7 12/15/2015
handling units will be included. Complete a preliminary design summary with recommended
action and planning level cost estimate.
Subtask 2004. 1- Preliminary Design Memorandum
The preliminary engineering design effort will include heat load analyses, equipment and
material alternatives assessment and preliminary cost estimates. The preliminary design will be
initiated by a spreadsheet analysis of existing and projected heating loads for each building and
process area. A hot water heating model will also be developed that reflects as-built conditions
on site. A single day kickoff working session will be conducted to discuss the findings of the
spreadsheet heating load analysis, and the findings of the work session, including preliminary
options for reduction of heating loads(phased for outside temperature conditions), will be
summarized by a short technical memorandum. The technical memorandum will include the
comments, ideas and decisions made by the team and recommended alternatives to be advanced
in the schematic design and considered by the City. Where appropriate, 1DR/MMI will review
the alternatives so that equipment costs, operational procedures and maintenance are considered
prior to final heat load modification selection by the City. Quality assurance and quality control
review of the deliverables will be completed.
Subtask 2004.2-Schematic Design
The schematic design will build on the preliminary design memorandum generated in Task
2004.1 above, and will advance up five (5) options for heating load reduction in the schematic
design to establish an estimated project cost. A summary will be developed for submittal to the
City for review and approval. The summary will also include a heat load diagram (utilizing the
existing hot water schematics as the basis)for the recommended improvements. The Schematic
Design Summary will be used for coordination between the project design team and the City and
for final buy-in by the project team prior to completion of the schematic design cost estimate.
Quality assurance and quality control review of the deliverables will be completed.
Deliverables:
• Preliminary Design Memorandum(digital file in .pdf format).
• Schematic Design Summary (digital file of summary in .pdf format)
• Cost estimate submittal for schematic design.
City Involvement:
• Review of recommendations provided.
• Participate in schematic design development. F
• Timely review of submittals and coordination of City review comments.
II
Exhibit 1- Scope of Services 5 of 7 12/15/2015
Task 2005 — Secondary Clarifier Launder Covers Technical
Assistance
Objective:
Provide a technical specification and drawings for the addition of launder covers for Secondary
Clarifiers for City incorporation into a bid package for launder cover installation. A preliminary
cost estimate for procurement and installation will be developed.
Sub Task 2005.1 - Technical Specification Development
HDR/MMI will modify the Phase 1 project launder cover specification, utilizing lessons learned
from the WRF Phase 1 project, in a 5-digit CSI specifications format. The specification will
include materials, hardware, supports, access hatches and performance specifications (similar in
format to the WRF Phase 1 project launders installed on Secondary Clarifiers No. 5 and 6)for
procurement and installation of launder covers on Secondary Clarifiers No. 1,2, 3, and 4. The
specification will be provided to the City for City incorporation into a bid package for
procurement and installation. Quality assurance and quality control review of the deliverables
will be completed.
SubTask 20052 - Launder Cover Installation Assistance
HDR/MMI will develop AutoCADD plan view drawings of each clarifier to be covered, showing
required basin modifications including handrail removal and wall demolition as required.
Additional photo sketches for showing required installation of the launder covers on Secondary
Clarifiers No. 1, 2, 3 and 4 will be provided. It is assumed the following drawings will be
required for the cover installation bid package:
• Cover Sheet
• General Abbreviations and Symbols
• Secondary Clarifiers 1 &2 Launder Installation Plan Views
• Secondary Clarifiers 3 &4 Launder Installation Plan Views
• Photo sketches
This task also includes 8 manhours total, associated with shop drawing technical review and
construction installation review.
Deliverables:
• Launder cover specification (in .pdf format).
• Final launder installation plan views and photo sketches (AutoCADD format).
City Involvement:
• Review of preliminary specification provided.
• Assist with establishing final hatch layouts.
• Timely review of submittals and coordination of City review comments.
Exhibit 1-Scope of Services 6 of 7 12/15/2015
Task 2006 - Digester No. 3 Corrective Action Assistance
Objective:
Amendment No. 3 and No. 4 provided for added construction observation and startup assistance
services for completion of repairs to the Digester No. 3. The Amendment was based upon a
projected project construction completion in November 2014. The corrections to Digester No. 3
are projected to extend through the end of 2015. This Task provides for additional technical
assistance, field observation and construction engineering administration for completion of the
corrective actions that were agreed upon between the City of Bozeman and the Construction
Contractor(McAlvain Construction).
Subtask 2006.1- Ongoing Technical and Construction Assistance
HDR/MMI will provide assistance to the City as needed for technical and construction needs on
the continued Digester No. 3 corrections. HDR/MMI will provide periodic summaries to the City
on the status of the corrective actions and will provide formal certification of the corrective
actions at agreed upon stages of the construction process.
HDR/MMI will consult and advise the City of Bozeman as set forth in the engineering services
contract throughout the extended time period associated with the corrections to Digester No. 3,
including delayed startup services and SCADA programming and corrections associated with the
screw press performance. The City of Bozeman's instructions to the Contractor will be issued
through HDR/MMI, who will have limited authority to act on behalf of the City of Bozeman to
the extent provided in the Prime Services Agreement(PSA). HDR/MMI will consult with and
advise the City of Bozeman as set forth in Section 4.5 and Article 10, Exhibit A of the PSA.
HDR/MMI will provide periodic resident project representation at the site during completion of
corrective actions associated with Digester No. 3, and further outlined in the Final Technical
Agreement Concerning Repair of Digester No. 3 Tank, executed on June 17, 2014. HDR/MMI
will provide the City of Bozeman Resident Project Representative(s) to assist in carrying out
such responsibilities at the site, in accordance with Section 4.5., and Article 11 of Exhibit B of
the PSA.
END OF SCOPE OF SERVICES
Exhibit I -Scope of Services 7 of 7 12/15/2015
III(
Exhibit I
City of Bozeman Water Reclamation Facility
Phase 1 Expansion Amendment No.6
Engineering Fee Estimate
Task Cost Summary
Expenses By
Task Task Description Direct Labor Task Task Total
Digester Control Building Biosolids Loadout Truck Bay and Building Extension
2000 Assistance $ 1,953.00 $ 1,103.60 $ 3,056.60
2001 Digester Control Building DSL and TWAS Sludge Piping Modification Assistance $ 7,232.40 $ . 610.80 $ 7,843.20
2002 DAF Modifications Preliminary Design Memorandum $ 11,062.80 $ 1,031.20 $ 12,094.00
2003 Biotrain No.1 Modifications Preliminary Design $ 14,792.40 $ 1,492.00 $ 16,284.40
2004 Hot Water Heat Loop Evaluation and Preliminary Design $ 18,194.40 $ 968.40 $ 19,162.80
2005 Secondary Clarifier Launder Covers Technical Assistance $ 6,300.00 $ 538,00 $ 6,838.00
2006 Digester No.3 Corrective Action Assistance $ 30,592.80 $ 910,80 $ 31,503.60
Total Labor and Expenses Cost by Task $ 90,127.80 $ 6,654.80 $ 96,782.60
Expense Summary Expenses
Miscellaneous $ 800.00
Travel Expenses $ 2,050.00
Mapping/Photos/Surveys $ _
Printing and Photocopying $ 950.00
Technology $ 2,654.80
Total Expenses $ 6,654.80
TOTAL ESTIMATED ENGINEERING SERVICES FEE $ 96,782.60
Amend 06 rev2.xlsx Page 1 of 11 12/15/2015
Exhibit I
City of Bozeman Water Reclamation Facility
Phase 1 Expansion Amendment No.6
Englneenng Foe Estimate
Exhibit I:City of 6ozeman Water Reclamation Facility Construction
Phase 1 Expansion Amendment No.6
Staff Hour Estimate
HON Engineering,int.
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Hours Mauls
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2000.1 Preliminary Con Estimate 4 4 8 4 4
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2002.1 Preliminary Design Memorandum a 4 24 6 24 8 76 0
Hours sub-total 8 4 24 0 8 0 24 0 8 0 76 0 0 0 0 0 0 0 0 0 0
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T 2003.1 Preliminary Design Memorandum 8 8 32 8 16 8 80 0 , e f6
Hours sub-total 8 8 32 0 0 0 78 0 8 0 00 8 0 0 0 0 0 0 8 0 16
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