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HomeMy WebLinkAbout2020-04-29_SP1 COMPLETENESS REVIEW NARRATIVE April 29, 2020 City of Bozeman – Planning Department 20 East Olive Street Bozeman, MT 59715 Reference: Gallatin County Fairgrounds Surface Improvements Application No. TBD SP1 Application Completeness Review Narrative Project No. BOZ-13005.04 Dear Planning and Engineering Review Staff: We are happy to submit the following SP1 Application Completeness Review Narrative for the Gallatin County Fairgrounds Surface Improvements project. The purpose of this narrative is to follow up on the additional items required in the Completeness Review. See our responses below in red and City comments in black : · Respond to Informal Comments See attached responses. · Site Plan Checklist #8: Location, Percentage of Parcel(s), and Total Site, and Square Footage of items a. – f. See Sheet C1.0 – Cover Sheet where a table showing square footages for applicable items is provided. · Site Plan Checklist #19: Show Right-of-Way to a distance of 150 feet The Gallatin County Fairgrounds Surface Improvements project is internal to a large site and will not include any improvements that will affect the right-of-way. No survey of the adjacent right-of-way of the Fairgrounds was completed. · Site Plan Checklist #20: Block Frontages According the City of Bozeman Community Development Viewer, the block frontage around the fairgrounds is ‘Other.’ Sidewalks and 10-foot landscaping buffer are provided along the property line as required in Table 38.510.030.G. Other Block frontages do not apply as we are not proposing any buildings or structures with this project, only surface improvements. · Site Plan Checklist #23 & #24: Traffic Flow On-Site & Off-Site As there are no proposed buildings or structures with this project, there will not be any increase in trip generation based on ITE trip generation manuals. This project only proposes surface improvements to existing on-site pedestrian and vehicle circulation and parking areas. · Site Plan Checklist #26: Setbacks There are no proposed buildings or structures with this project, so building setbacks do not apply. The Fairgrounds are zoned in the PLI District, which has no setback requirements except when a lot is adjacent to another district as stated in Section 38.320.050, Note #12 of the Table of Form and Intensity Standards – Non-Residential and Other Mixed-Use Districts. However, these setbacks only apply for buildings. The R-4 Zoning District is the zoning to the south of Tamarack Street, adjacent to the RV parking surface improvements. R-4 Zoning has a minimum front setback of 15-feet (Section 38.320.020.F), and the proposed RV parking surface improvements are a minimum of 20- feet from the southern Fairgrounds property line. All other proposed surface improvements are central to the site and would not impede any setbacks. · Site Plan Checklist #33: ADA Certification Block An ADA Certification Block has been added to Sheet C1.0 – Cover Sheet. · Site Plan Checklist #39: Vision Triangles The site vision triangles along Tamarack Street have been extended to the center of the 60- foot Right-of-Way. No improvements are proposed that would impede the vision triangles. · Site Plan Checklist #42: Public Facilities, Schools, Parks, Pathways, Trails within 200 feet The proposed surface improvements will not affect any major public facilities, including schools, parks, trails, or any shared use pathways within 200 feet of the Fairgrounds property. · Site Plan Checklist – Landscape Plan Sanderson Stewart provided a fee proposal for this work but was directed by the Gallatin County Fairgrounds to not include a Landscaping Plan for the proposed surface improvements project. If you need any additional information for this SP1 Application, please let me know. Sincerely, Mike Russell, PE, MBA Project Manager ATTACHED: Informal Comment Responses Gallatin County Fairgrounds Surface Improvements Informal Review Responses Planning Division; Danielle Garber dgarber@bozeman.net 406-582-2272 1. Submittal Requirements - A site plan application is required for entitlement. A master site plan to define the overall development plan is recommended. a. No lighting is required. Any new lighting must be complaint with Section 38.570 Noted. There is no new lighting proposed with this project. b. Landscaping will be required, existing landscaping may be used to meet requirements. Sanderson Stewart provided a fee proposal for this work but was directed by the Gallatin County Fairgrounds to not include a landscaping plan in this project. c. Special design considerations moving forward are listed below. Staff encourages a more comprehensive development plan moving forward to plan for enhanced compliance with site design, pedestrian circulation, parking, and landscaping. Noted that a MSP is recommended. Sanderson Stewart provided a fee proposal for this work but was directed by the Gallatin County Fairgrounds to not include a master site plan for this project at this time. 2. Grading and Drainage 38.410.080.H - Stormwater retention/detention facilities in landscaped areas must be designed as landscape amenities. They must be an organic feature with a natural, curvilinear shape. The facilities must have 75 percent of surface area covered with live vegetation appropriate for the depth and design of the retention/detention facility, and be lined with native grasses, indigenous plants, wet root tolerant plant types and groupings of boulders to create a functional, yet natural site feature. A cross section and landscape detail of each facility must be submitted with the final landscape plan for review and approval. Facilities with a slope up to and including ten percent grade may be grassed and irrigated to blend into the adjacent landscaped area. Retention facilities/drywells proposed in this project are “driveable” in nature and are designed to act as a French drain system, intercepting surface runoff and nuisance water. Landscaping is not proposed as these areas are critical (and need to be open/driveable) for fairgrounds operations. Sanderson Stewart provided a fee proposal for landscape design but was directed by the Gallatin County Fairgrounds to not include a landscaping plan in this project. 3. Site Planning and Design Elements 38.520.040 - Non-motorized circulation and design. a. 38.520.040.B - Access to sidewalk. All buildings must feature pedestrian connections to a sidewalk per applicable block frontage standards in division 38.510. See subsection D below for access design requirements. Understood. We believe that a Master Site Plan would be able to outline pedestrian connectivity but we were directed to not prepare this level of design/submittal at this time. b. 38.520.040.c.l - Internal circulation. For sites with multiple buildings, pedestrian paths or walkways connecting businesses and residential entries on the same development site must be provided. Routes that minimize walking distances must be utilized to the extent practical. Departures will be allowed where steep slopes prevent a direct connection or where an indirect route would enhance the design and/or use of a common usable open space. See subsection D below for walkway design standards. Understood. We believe that a Master Site Plan would be able to outline pedestrian connectivity but we were directed to not prepare this level of design/submittal at this time c. 38.520.040.c.4 - Pedestrian paths through parking lots. Developments must provide specially marked or paved sidewalks through parking areas. At least one walkway must be provided every four rows of parking or at a maximum spacing of 200 feet. The pathways must provide a safe connection to the building entrance and meet the pathway design standards set forth in subsection D below. See examples below. Understood. We believe that a Master Site Plan would be able to outline pedestrian connectivity but we were directed to not prepare this level of design/submittal at this time Parking 38.540.020 - Stall, aisle and driveway design. 4. 38.540.020.G - Striping. All parking stalls must be marked with white or yellow painted lines not less than four inches wide, except for one- to four-household dwellings and individual townhouse/rowhouse units. An exception to this requirement may be approved by the city when the striping would otherwise be applied to an area that does not have a permanent and durable wearing surface. Parking stalls proposed for RV/exhibitor parking will be marked/painted as well as parking adjacent to the gun range and south of the weed department. Other areas that appear to be parking lots within this submittal are characterized by the fairgrounds as exhibition areas to provide flexibility of car shows, fairground activities, etc. for maximum flexibility of the unique events to the fairgrounds as a venue with exhibition areas. a. 38.540.020.J - Parking lot curbing. i. All open off-street parking areas and drive aisles must have perimeter concrete curb around the entire parking lot, including driving access ways, except for individual townhouse/rowhouse units and one- to four-household dwellings. Continuous concrete curbing must be built according to standards provided by the review authority. Unless otherwise approved, the perimeter curb must be six-inch by six-inch concrete. Similar to #4 response above, Sanderson Stewart was directed to not propose curbing to allow for maximum flexibility of the fairgrounds’ unique offerings, operations, events and exhibits. ii. Concrete pin down wheel stops may be permitted as an alternative to continuous concrete curbing in front of parking spaces which front on the perimeter of the parking lot. However, continuous concrete curbing as described above must be provided in all situations where deemed necessary by the review authority to control drainage and soil erosion. Regarding wheel stops/protection of RV parking along the southern extent of the project, the intent of the design is to re-use the existing boulders that protect from vehicular encroachment toward the street. Drainage patterns proposed in this submittal mimick historic drainage patterns but runoff is minimized by intercepting sheet flowing from south- to-north by installation of the French drain/dry well system. iii. Alternative perimeter treatment may be permitted subject to the approval of the city engineer. We seek this approval via this submittal. iv. Requirements for perimeter curbing do not preclude shared access between adjacent parking lots. Understood. b. 38.540.020.L - Pedestrian facilities in parking lots. Concrete sidewalks a minimum of five feet in width must be provided between any existing or proposed building and adjacent parking lot. Where sidewalk curbs serve as wheel stops, an additional two feet of sidewalk width is required. See responses to comments #3,a-c and #4,a above. 5. Landscaping 38.550.050.C- Mandatory landscaping provisions. Existing landscaping may be used to meet this requirement, but must be shown in the formal submittal. The Gallatin County Fairgrounds directed Sanderson Stewart to not include a landscaping plan in this project. Existing landscaping areas are not proposed to be removed or altered with this project. a. 38.550.050.c.2.a - All surface parking lots on the building site must be landscaped in accordance with this subsection C.2. See previous responses. Sanderson Stewart was directed to not include Landscaping design with this submittal. i. Parking lot screening required 1. All parking lots located on a lot with a residential adjacency must be screened from that residential adjacency; 2. All parking lots located between a principal structure and a public street, must be screened from the public street; 3. The screening required under this subsection must be continuous and not less than four feet in width unless a different width is specified in 38.510.030; and 4. Screening must be maintained at a height of four to six feet except as otherwise restricted by fence and hedge height limits within required front setbacks and street vision triangles. b. 38.550.050.c.2.b - Large canopy trees, large non-canopy trees or small trees must be provided in, or within 20 feet of, the parking lot at a minimum average density of: See previous responses. Sanderson Stewart was directed to not include Landscaping design with this submittal. i. One large canopy tree; or ii. One large non-canopy tree and one small tree; or iii. Three small trees for each nine parking spaces required or provided. c. 38.550.050.c.2.c - No parking space shall be located more than 70 feet from the trunk of a tree. d. 38.550.050.c.2.d - No tree shall be planted closer than three feet to the back of the curb or edging equivalent. e. Curb Islands and landscaping are required for every 100-feet of parking, see below: Engineering Division; Lance Lehigh; llehigh@bozeman.net 406-582-2284 1. DSSP Section (A)Water Quality -The applicant must include a drainage plan with post-construction storm water management controls that are designed to infiltrate, evapotranspire, and/or capture for reuse the post-construction runoff generated from the first 0.5 inches of rainfall from a 24-hour storm preceded by 48 hours of no measurable precipitation. For projects that cannot meet 100% of the runoff reduction requirement, the remainder of the runoff from the first 0.5 inches of rainfall must be either: a. Treated onsite using post-construction storm water management control(s) expected to remove 80 percent total suspended solids (TSS); b. Managed offsite within the same sub-watershed using post-construction storm water management control(s) that are designed to infiltrate, evapotranspire, and/or capture for reuse; or c. Treated offsite within the same subwatershed using post-construction storm water management control(s) expected to remove 80 percent TSS. A storm report has been provided with the SP1 Submittal. Increased runoff from the surface improvements project will be treated, retained, and infiltrated on site. 2. DSSP Section (B) Storm Drainage Plan - The applicant must include a drainage system design and maintenance plan with the Site Plan application. The City's requirements are contained in the Design Standards and Specifications Policy and the City modifications to Montana Public Works Standard Specifications. Engineering encourages the applicant reference the Montana Post-Construction Stormwater Best Management Practice Design Guidance Manual. A storm report has been provided with the SP1 Submittal. 3. DSSP Section (C) Water Quantity - The applicant must provide on-site detention with release rates limited to predevelopment runoff rates. Retention ponds must be sized based on a 10-year, 2-hour storm intensity. Increased runoff from the surface improvements project will be treated, retained, and infiltrated on site. No retention ponds are proposed. Advisory Comments: 1. The City's Transportation Master Plan identified Tamarack Street as a collector, which requires 90 feet of right-of-way (ROW). It should be noted but not required as part of this application that an additional 15 feet of ROW would be needed along the County Fair Grounds Tamarack frontage to satisfy full buildout collector requirements. The additional ROW could be used to accommodate both future traffic demand as well as increase the opportunity for multimodal transportation throughout the region. Engineering encourages the applicant to incorporate Tamaracks future collector ROW into any future master site planning efforts. Noted. This will not be included in this application. Northwestern Energy; Cammie Dooley; cammie.doolev@northwestern.com 1. Private dry utilities owned by the fairgrounds may be present, line locates will not identify them so it is encouraged that a private locate is conducted prior to construction. A private locate will be conducted prior to construction by the awarded contractor. 2. Be cognizant of overhead power lines during construction. Noted.