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HomeMy WebLinkAbout028_Concurrent Construction Cover LetterJuly 18, 2023 City of Bozeman Development Review Committee RE: South University District Phase 3 Block 3 Concurrent Construction Request Please accept this letter and enclosed application as a request for concurrent construction of on-site infrastructure, off-site infrastructure, and building improvements for the South University District Phase 3, Lot 1, Block 3 Site Plan, as outlined in the “South University Phase 3 Major Subdivision Phasing Plan for Concomitant Construction. As of July 18, 2023, the Common Subdivision Improvements (CSIs) and the “Common Subdivision Improvements” are approximately 95% complete and have both received substantial completion determinations by the City of Bozeman. It is anticipated that all “Common Subdivision Improvements” and “Blocks 1 and 2 Off-Site Improvements” will be completed before the Block 3 building permits are released. The Block 3 development meets the provisions outlined within the UDC in sections 38.270.030.1.b., as the water and sewer mains will be located within a public utility easement physically adjacent to the proposed buildings, with adequate capacity. It will also meet the requirements of 38.270.030.1.c (1-5) as the extended mains will only serve one lot, will be subject of an irrevocable offer of dedication to the City upon completion of the project, the development will be under the control of a single developer, under the supervision of a single general contractor, and will have no subdivision of land. Concurrent construction allows for the construction of internal buildings while the Block 3 off-site improvements and on-site improvements are being completed. This request is supported by the following standard conditions per UDC 38.270.030 C1 b and c for Site Developments. Off-site improvements: Off-site improvements include the construction of the required public infrastructure located with South 17th avenue and Arnold Street to the extents outlined in the “South University Phase 3 Major Subdivision Phasing Plan” and as depicted on the attached Construction Facilities Plan. The work involved generally includes extension of water, sewer and storm mains and road construction within the associated Rights- of-Way. Off-site infrastructure improvements water and sewer mains will be constructed first and stub out to the site. All associated road work will follow soon after utility work is complete. On-site improvements: On-site improvements include the extension water and sewer mains into the Block 3 site to serve the proposed buildings. Once all offsite water and sewer main is complete, on-site water and sewer mains will then be extended into the entire site. All the water and sewer mains within SUD Block 3 will be constructed and certified at once. No phasing is requested. Phased Occupancy: Phased occupancy is requested for the proposed Block 3 development. Phased occupancy is possible for the Block 3 development because all public infrastructure both on and off site will be fully constructed before any building is occupied. The site will be brought up to road and parking lot sub base elevation to provide a stable working surface for building construction. Furthermore, the Block 3 site is well positioned because it is evenly divided into 4 quadrants which are separated by publicly accessible streets-South 18th Avenue and Student Drive. The occupancy phasing is designed to ensure all required open space and parking is provided with each quadrant or the previously occupied quadrant. Before each quadrant is occupied, the construction fencing will be relocated to the construction boundary. The portions of South 18th Avenue and Student adjacent to each occupancy phase will be competed and open before any of the buildings in that phase are occupied. The proposed occupancy phasing is as follows: • 1st Northwest Quad • 2nd Southwest Quad • 3rd Southeast Quad • 4th Northeast Quad Adjacent water mains are installed on the north and west side of Block 3. The site can be serviced by existing fire hydrants surrounding the Block 3 development on Stucky Rd and 19th Avenue and by fire hydrants on Arnold Street and South 17th Avenue once offsite infrastructure work is completed. The site will have four accesses—one off each of the following perimeter roads: Stucky Drive, South 17th Avenue, and Arnold Street, and South 19th Avenue. Proposed Student Drive and South 18th Avenue will be accessible to emergency vehicles prior to building occupancy and during building construction. A more-detailed schedule will follow as the review prosses progresses; please let us know if there are any additional conditions required to enable concurrent construction. Sincerely, Capstone Collegiate Communities ______________________ Davis Maxwell SOUTH 14TH AVEHC HC HC HC Y3 Y3 Y3 Y3 Y3 Y3 P3 P3 P3 P3 STUCKY RD SOUTH 14TH AVEP STUCKY RD(48' WIDTH - 90' ROW)(48' WIDTH - 90' ROW)E E E E ECCC STATE ST(35' WIDTH - 60' ROW) EXISTING TRAILS (TYP)(47' WIDTH - 70' ROW) SOUTH 17TH AVE(47' WIDTH - 70' ROW)STUCKY RD(48' WIDTH - 90' ROW) ARNOLD ST(35' WIDTH - 70' ROW) SOUTH 14TH AVESOUTH 17TH AVE(47' WIDTH - 70' ROW)S 19TH AVE(ROW WIDTH VARIES)S 19TH AVE(ROW WIDTH VARIES)Block 2 Park Total 2.65 ac Net 1.80 ac Block 4 Park Total 3.30 ac Net 1.90 ac Block 3 Park Total 4.98 ac Net 3.23 ac Block 1 Park Total 2.43 ac Net 1.75 ac EXISTING TRAILS (TYP) EXISTINGTRAILS (TYP)(47' WIDTH - 70' ROW) SOUTH 18TH AVESTUDENT DRIVES 19TH AVE(ROW WIDTH VARIES)SITE PLANPROJECT EXTENTS NW QUAD NE QUAD SW QUAD SE QUADSITE PLAN PROJECT EXTENTS INFRASTRUCTURE PROJECT EXTENTS INFRASTRUCTURE PROJECT EXTENTS ARNOLD ST(35' WIDTH - 70' ROW) SOUTH 18TH AVESTUDENT DRIVE SOUTH 17TH AVEARNOLD STS 19TH AVESTUCKY RD MAIL DRO P- OF F NOTE: THIS PLAN IS TO PROVIDE GENERALGUIDANCE OF SITE CONSTRUCTIONSEQUENCING CONSTRAINTS. THE GENERALCONTRACTOR SHALL PROVIDE MOREDETAILED SEQUENCING/FACILITIES PLANSTHAT FOLLOW THIS GENERAL GUIDANCE.SUD BLK 3CONSTRUCTION ROUTECONSTRUCTION ROUTESUD BLK 2C0.4CONSTRUCTIONFACILITIES PLAN1 12/2/2021 DRAFT CONCEPT PLAN 2 1/27/2022 COB CONCEPT SUBMITTAL ZWL CDP 3 10/3/2022 SITE PLAN SUBMITTAL ZWL CDP 4 7/14/2023 SITE PLAN RC ZWL CDP PROFESSIONALENGINEERS &SURVEYORSSTAHLYENGINEERING& ASSOCIATESTHE COTTAGES AT BOZEMAN CAPSTONE COLLEGIATE COMMUNITIES LLC