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HomeMy WebLinkAbout1.7-PUDF Item #2 (Proposed Relaxations) 08-20-2020 BRIDGER VALE PLANNED UNIT DEVELOPMENT APPLICATION August 20, 2020 #14486 PUDF, ITEM #4 FINAL PLANNED UNIT DEVELOPMENT (PUD) CHECKLIST REQUIRED ITEM NO. 4 – APPROVED RELAXATIONS 1. Section 38.320.040 – A relaxation is requested to the Table of Form and Intensity Standards for REMU districts. Specifically, a relaxation to allow for the proposed townhouse clusters to exceed the maximum front setback of 15 feet. The townhomes are set further back to create a wide greenspace corridor for the entrance to the East Gallatin Recreation Area while providing for alley-loaded garages. The large front yards create functional private landscape areas for the residents and compliment the enhanced Bridger Vale Drive streetscape. 2. Section 38.420.060.A – A relaxation to Park Frontage Standards is requested. The proposed City Park does not provide more than 50% street frontage but does provide frontage along a public alley. The proposed parkland is intended to be an addition to the East Gallatin Recreation Area (EGRA) which will provide an additional spur trail loop section and additional recreational space to the existing Park. The EGRA has an established parking area for patrons to park their vehicles and utilize the EGRA trail systems (which will include this proposed Park). The proposed Bridger Vale Drive will greatly enhance the drive access/entrance to the EGRA and will provide additional parking facilities on both sides of the public street entering the EGRA. The Park Frontage requirement is intended to provide parking spaces adjacent to a Park and to promote clear and public access to Parks. The existing parking facilities within the EGRA combined with the proposed parking along Bridger Vale Drive will provide adequate parking facilities for the users of the existing EGRA and the proposed expansion with the Bridger Vale Park. It should be noted that parking lot improvements to the EGRA parking facilities are being developed through the Master Park Plan process by the Rotary Club of Bozeman Sunrise. Clear and public access to the proposed Park is provided by a trail connection to the existing EGRA trail system and the public alley frontage along the south side of the proposed Park. Bridger Vale residents will have clear access to the Park from the public alley behind the residents. Subsection 38.420.060.A.2.a is satisfied with the proposed trail loop and connections to the existing EGRA trail network. An additional relaxation is requested for subsection 38.420.060.A.2.b or c. 3. Section 38.420.060.A.2.b or c. – A relaxation is requested from this section requiring installation of off-street parking within the proposed park (b) or an equivalent dollar value of non-parking improvements within the park to be provided (c). The proposed Park is an addition to an existing Park (EGRA) with established parking facilities and does not require adjacent on- or off-street parking spaces to service the Park. Parking for the EGRA and the proposed Park is further satisfied by the addition of 38 on-street parking spaces along Bridger Vale Drive. The proposed Park also provides excess parkland (non-parking BRIDGER VALE PLANNED UNIT DEVELOPMENT APPLICATION August 20, 2020 #14486 PUDF, ITEM #4 improvements). The perimeter of the proposed City Park is 1,347.21 feet. Assuming 70% of the perimeter can be effectively used for parking (accounting for non-parking areas including vision triangles, fire hydrants, etc.) then the Park would theoretically provide 39 parking spaces (1,347.21 x 0.7 / 24). These parking spaces are replaced by the additional parking spaces along the proposed Bridger Vale Drive (38 on-street parking spaces) as well as the existing and proposed parking facilities within the EGRA. The excess parkland proposed with this development also contributes to the non-parking improvements within the Park. If we assume a 7’ wide parallel parking stall width, the additional area required is 9,430 sf or 0.2165 acres. The proposed Park provides an excess of 0.137 acres of parkland which will be directly connected to the EGRA trail system leading to the established parking area. The combination of the alternative parking options (Bridger Vale Drive and EGRA parking facilities) and the excess dedicated parkland should satisfy these subsections. 4. Section 38.400.050.A.1 – A relaxation is requested to allow for a non-standard street section. The proposed Bridger Vale street section as shown on the site plan is not a City standard street section. The proposal is an enhanced street section that provides a wide landscaped median with a landscaped stormwater swale consistent with low-impact stormwater design. The proposed section is an inverted crown which drains stormwater runoff to the center median where stormwater enters the landscaped swale where it is treated/utilized by the specialized plants or infiltrates back to the groundwater table. The benefit of an inverted crown design is that stormwater is routed away from the on-street parking spaces to help provide an area clear of stormwater/ice/snow where patrons are entering and exiting their vehicles. Bridger Vale Drive is proposed to be a public street within a dedicated right-of-way. 5. Section 38.550.070 – A relaxation is requested to the standard that requires irrigation of landscaping of public lands by wells. Environmental assessments have been completed on the property and trace amounts of Volatile Organic Compounds (VOCs) have been identified in the groundwater. Environmental consultants recommended against using groundwater for irrigation to eliminate any potential contact with the VOCs. An irrigation water service with a City-approved irrigation meter will be used in lieu of an irrigation well.