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HomeMy WebLinkAbout2.5_Master Site Plan Narrative_Calculations MONTANA | WASHINGTON | IDAHO | NORTH DAKOTA | PENNSYLVANIA 406.761.3010 tdhengineering.com 1800 River Drive North Great Falls, MT 59401 November 13, 2020 Note: Underlined Items have been updated for 11/13/20 resubmittal. BOZEMAN EAST MIXED-USE MASTER SITE PLAN NARRATIVE & CALCULATIONS Bridger Peak Land Development Partners, LLC plans on concurrent construction of the proposed Bozeman East Mixed-Use project. They are submitting for a Master Site Plan application in order to receive occupancy of each phase upon its completion. Proposed Entitlement Period: 5 years. Detailed Phasing Information: a. Proposed Phase Lines: See Exhibit EX-6 Master Site Plan b. Proposed Limits of Construction for Each Phase: See Exhibit EX-6 Master Site Plan The proposed phasing sequencing will begin with Building 4/D and following a two week off-set Building 3/C will begin. Buildings 2/B and 1/A would start approximately 6 month to a year after starting Buildings 4/D and 3/C. There will be a total of 2 phases. Phase 1: Building 4/D and associated infrastructure Building 3/C and associated infrastructure Phase 2: • Building 2/B and associated infrastructure • Building 1/A and associated infrastructure The Phasing has considered and accommodated the following items to the extent feasible, further breakdown of calculations follows: • Storm water control, to be coordinated with Phasing, will meet engineering requirements per phase • Residential Open space, provided per phase • Fencing for occupied & construction areas will be provided • Resident emergency response/access will be provided for Phase 1 • Staging and constructions areas construction circulation • Water and sewer services • Standard & ADA parking • Parkland per Project Narrative The following break down comparison shows the required and provided amenities per phase for parkland, open spaces, standard and ADA parking, and sanitation. Phase 1 will provide an acceptable turn-around. This will provide the turnaround required for vehicular circulation and any areas still under construction in Phase 2 November 13, 2020 PAGE NO. 2 tdhengineering.com will be fenced off form the occupied spaces. A memo regarding revegetation has been provided as an attachment to this narrative. PHASE 1 CALCULATIONS: 1. Parking Required (See Exhibit-2 Parking Plan for calculations): A. Building 4/D: 51 spaces required B. Building 3/C: 299 spaces required C. 352 Spaces provided in Phase 1; includes 5 on-street spaces (Tschache Lane); a minimum of 8 spaces will be ADA accessible 2. Bicycle Parking: 10% of vehicular parking stalls required: 10% of 522 spaces equals 52 bicycle parking spaces. Development is proposing 80 bicycle parking spaces total of these spaces 10% are required to be covered or 8 covered bike spaces, the owner’s are proposing 24 covered bike spaces. Phase 1 will include of 56 spaces, covered bike parking will be included in Phase 2. 3. Dumpster Calculations: One trash enclosure and with a dumpster will be provided in Phase 1 for Building 4/D and one rollout trash pickup area will be provided for Building 3/C, see site plan. Dumpster calculations are based on # of beds per 0.25 cubic yards per week. Building 4/D – 21 beds Building 3/C – 172 beds Total: 193 x 0.25 cy = 48.25 cy per week 4. Residential Open Space: 100 square feet per studio or one-bedroom and 150 square feet per two bedroom Building 4/D: Studios 21 units = 2,100 sq. ft. Building 3/C: One Bedroom 90 units = 9,000 sq. ft. Two Bedroom 82 units = 12,300 sq. ft. Total: 23,400 sq. ft. required for Phase 1 32,667 sq. ft. of residential open space will be provided in Phase 1, including: • Patios: 14,685 sq. ft. • Courtyard: 15,857 sq. ft. • Fitness Center: 1,852 sq. ft. • Bike Tuning: 273 sq. ft. 5. Commercial Open Space: 2% of Commercial Development Area Building 4/D Development Area: 38,177 sq. ft. x 2% = 764 sq. ft. required Provided: 1,205 sq. ft. (see EX-1 Conceptual Site Plan) Seating: 2 ln. ft. per 60 sq. ft. = 26 ln. ft. required, Provided: 30 ln. ft. November 13, 2020 PAGE NO. 3 tdhengineering.com 6. Parkland: Parkland dedication and Improvements-in-lieu will be provided for Phase 1 Parkland requirements, refer to Site Plan 2.5 Project Narrative and Exhibit EX-4. 7. Street Infrastructure: a. Tschache Lane/15h Street: The City of Bozeman is working with Bennett Properties to construct the segment of North 15th Avenue between Patrick Street and Tschache Lane as well as the segment of Tschache Lane from the property’s eastern boundary to the intersection of North 15th Avenue prior to site plan approval. 8. Water Infrastructure: a. The 8” water main and associated service stubs are to be constructed in Phase 1 9. Sewer Infrastructure: a. The 8” sewer main and associated service stubs are to be constructed in phase 1. 10. Storm Infrastructure: Phase 1 Storm Infrastructure will include the following: a. Construct storm extension east along Tschache Lane to existing pond. b. Construct west parking lot storm infrastructure connecting into proposed storm along Tschache c. Construct storm extension from existing SW storm drain inlet. Extend to the north east to connect to stormwater pipe from Building 3. Until phase 2 is constructed, storm pipe is to daylight into existing channel flowing to existing pond. PHASE 2 CALCULATIONS: 1. Parking Required (See Exhibit-2 Parking Plan for calculations): A. Building 2/B: 96 spaces required B. Building 1/A: 73 spaces required includes reduction for commercial C. 169 Spaces provided in Phase 2; includes 15 on-street spaces (Tschache Lane); a minimum of 6 spaces will be ADA accessible 2. Bicycle Parking: 10% of vehicular parking stalls required: 10% of 522 spaces equals 52 bicycle parking spaces. Development is proposing 80 bicycle parking spaces total. Phase 2 will include a 24 spaces. 3. Dumpster Calculations: One trash enclosure and with a dumpster will be provided in Phase 1 for Building 4/D and one rollout trash pickup area will be provided for Building 3/C, see site plan. Dumpster calculations are based on # of beds per 0.25 cubic yards per week. Building 2/C – 96 beds November 13, 2020 PAGE NO. 4 tdhengineering.com Building 1/A – 39 beds Total: 135 x 0.25 cy = 34 cy per week 4. Residential Open Space: 100 square feet per studio or one-bedroom and 150 square feet per two bedroom Building 1/A: Studios 39 units = 3,900 sq. ft. Building 2/B: One Bedroom 48 units = 4,800 sq. ft. Two Bedroom 24 units = 3,600 sq. ft. Total: 12,300 sq. ft. required for Phase 2 13,180 sq. ft. of residential open space will be provided in Phase 1, including: • Patios: 5,819 sq. ft. • Community Gardens & Dog Area: 7,361 sq. ft. 5. Commercial Open Space: 2% of Commercial Development Area Building 1/A Development Area: 58,958 sq. ft. x 2% = 1,139 sq. ft. required Provided: 1,982 sq. ft. (see EX-1 Conceptual Site Plan) Seating: 2 ln. ft. per 60 sq. ft. = 38 ln. ft. required, Provided: 42 ln. ft. 6. Parkland: Cash-in-lieu will be provided for Phase 2 Parkland requirements, refer to Site Plan 2.5 Project Narrative and Exhibit EX-4. Proposed Plan for Staging and Phasing of Construction including Storage of Topsoil, Spoils and Construction Materials and Equipment.: See Exhibit EX-6 Master Site Plan, construction storage will be generally located on the east side of the site, for both Phases I & II. Construction debris will be stored and collected in a debris box similar to the one shown below. The location of said debris box during construction will be located to the west of the construction area. The type of materials stored and collected will be normal construction materials such as wood, metal, drywall, stone and brick. 11. Street Infrastructure: a. Tschache Lane/15th Street: N/A 12. Water Infrastructure: a. N/A 13. Sewer Infrastructure: a. N/A November 13, 2020 PAGE NO. 5 tdhengineering.com 14. Storm Infrastructure: In Phase 2 the storm line that daylights into the existing channel will be extended to its full design and piped into the detention pond. 15. Mid-Block Crossing The mid-block crossing between buildings 2 & 3 will be constructed in phase 2 to ensure that damage will not be done to the concrete and pavers during the construction of the second phase. General Phasing Notes: 1. Construction Trash & Debris Temporary Debris Box Rental: Sizes: 10 cubic yards – 12’ x 8’ x 3’; 4 ton weight limit c. Any Infrastructure or Site Plan Elements Proposed for Financial Guarantee: See Exhibit 6 Master Site Plan, no financial guarantee is proposed. d. Phasing Contingencies if Phasing does not Proceed in the Original Order Proposed: The Owner’s are submitting for Phase I and II Site Plan approval concurrently with the Master Site Plan approval. The intent of the phasing is to receive occupancy of buildings at different times. There are only two phases to the development therefore no phasing contingency is necessary. 2. Draft Design Guidelines to Direct Design of the Development Over the Entitlement Period: The Owner’s are submitting for Phase I and II Site Plan approval concurrently with the Master Site Plan approval. The Owner’s do not anticipate any design changes to the buildings or site. The objective is to have a cohesive development that is consistent from building to building. There are only two phases to the development therefore design guidelines are not necessary. Buildings will be built per plans. 3. Statement that following approval of a master site plan, the applicant shall submit to the department, sequential individual site plan for specific areas within the master site plan. Each subsequent application for a site plan shall be consistent with the approved master site plan and subject to the review criteria of Section 38.19.100.A BMC. November 13, 2020 PAGE NO. 6 tdhengineering.com Phase 1 & 2 Site Plans have been submitted in conjunction with the Master Site Plan. Following the approval of a master site plan the applicant shall submit to the department, sequential individual site plan for specific areas within the master site plan. Each subsequent application for a site plan shall be consistent with the approved master site plan and subject to the review criteria of section 38.19.100.a BMC. J:\2016\16-268 Farran Boz East Tschache Ln\DOCUMENTS\DEVELOPMENT REVIEW\04_RE RESUBMITTAL-3\MASTER SITE PLAN_CUP\02_NARRATIVES_RESPONSES_PHOTOGRAPHS\2.5_MASTER SITE PLAN NARRATIVE_CALCULATIONS.DOC