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Home My WebLink About029 Appendix BB - CILWR Request 3530 Centennial Drive, Helena, MT 59601 | phone: 406-442-8594 851 Bridger Drive, Suite 1, Bozeman, MT 59715 | phone: 406-522-8594 2223 Montana Avenue, Suite 201, Billings, MT 59101 | phone: 406- 601-4055 www.seaeng.com Engineers and Land Surveyors October 26, 2022 Griffin Nielsen, PE City of Bozeman Engineering Department Via email RE: Aaker Phase 1 Subdivision Cash-in-lieu of Water Rights Griffin: Please find the enclosed request for determination of Cash-in-lieu of Water Rights for Aaker Phase 1 Subdivision. We are about to submit the Preliminary Plat application, and this will require a Cash-in-lieu determination. Aaker Phase 1 Subdivision creates 5 lots for subsequent residential and mixed-use development. The subdivision also dedicates public rights-of-way, and a large public park parcel. The subdivision improvements consist of the public street improvements and park improvements. As part of the subdivision improvements Kagy Boulevard will be widened and extended and will have landscaping installed with street improvements. We are proposing that the individual lots will each pay their own Cash-in-lieu of Water Rights at the time of Site Plan review, when development and irrigation needs are known. So they are not considered in the subdivision payment. The Aaker Phase 1 park, as well as future phase parks in the Parks Master Plan will be irrigated by a single exempt water right with three wells. One well will be for the Phase 1 park and two are in planned future phase parks. All wells and the exempt water right will be owned and operated by the City. The only City water required for the subdivision improvements is for the irrigation of the landscaping along Kagy Boulevard and the eastern side of South 23rd Avenue. The estimated irrigation requirement for these boulevards is 1,689,301 gallons per year or 5.18 acre-feet. An irrigation plan for the subdivision boulevards and open spaces is provided as sheet L 601. Can you please review this information and confirm the Cash-in-lieu of Water Right amount due for the subdivision improvements? I have attached the irrigation plans for the subdivision improvements to assist with your review. Sincerely, Cordell D. Pool Stahly Engineering and Associates. W WOHEOHEOHEOHE OHE OHE OHE OHE OHE OHE OHEWWWWWWWWWOHEOHEOHEOHEOHE WWWWWWWWWWWWWWW WWWW SS SSSSSSSSSSSSSSSSSSSSSSSS SSSS SSSSSSSS SS SSSSSSSSSSSSSSSSSSSSSSSSWWWWWWWWWUGEUGEUGEUGEUGEUGEUGEUGEUGEUGEUGESSSSSSSSSSSSSSSSSSSSSSRETENTIONBASIN 1RETENTIONBASIN 3RETENTIONBASIN 4 UGEWUGEUGEUGESSSSSSSSSSSSWWWWWWWWWWWWWWWWWWWSSW WWWWWOHEOHEOHEOHEOHEOHEOHEOHEOHEOHEOHEOHEOHEOHEOHEOHEOHEOHEOHEOHEOHEOHE OHE OHE OHE OHEGASGASGASGASGAS SS SS SS SS UGEUGEUGEUGERET.BASIN2UGEUGEUGEUGEUGEUGCUGCUGCUGCBIO-RETENTION 5ABIO-RETENTION 5BWB BB BBBBBBB 4905'4910'4905'4910'4915'CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CLCLCLCLCLCLWESWES WES WESWESWESLANLANLANLANLANLANLANSIOSIOSIOSIOSIO8'8'8'WESLANWWELL #1WWELL #2WWELL #3PHASE 1PHASE 1FUTURE PHASEBLOCK 1LOT 11.28 ACBLOCK 1PARK8.84ACWEST KAGY BLVDREMINGTON WAYSOUTH 25TH AVENUE REMINGTON WAYSOUTH 19TH AVENUEWEST STUCKY ROADMONTANA STATEUNIVERSITYKAGYCROSSINGGENESISBUSINESS PARKMONTANA STATEUNIVERSITYWEST KAGY BLVDPHASE 1PARKFUTUREPARKFUTUREPARKFUTUREPARKFUTUREPARKSOUTH 23RD AVENUECONNECTION POINT FOR WATERSERVICE, SEE CIVIL FOR METER PIT DETAILSBLOCK 3, LOT 31.21 ACBLOCK 2, LOT 14.30 ACBLOCK 3, LOT 21.26 ACBLOCK 3, LOT 16.50 ACMPMP87,950 SF29 IN / SF1,588,993GALH.E. BLVD & SOD SPRAY IRRIGATIONH.E. TREEBUBBLER72TREES16.5 GAL /WEEK21,384GALTOTAL ANNUAL H2O REQUIRED: 1,689,301 GALTOTAL ACRE FEET PER YEAR: 5.18 ACRE FEETIRRIGATIONTYPEIRRIGATION SCHEDULE - MUNICIPAL WATERTOTALAREA / QTYANNUALET RATETOTALANNUAL H2O21,114 SF6 IN / SF78,924GALH.E. NATIVE SPRAY IRRIGATION SYMBOLSIZEDESCRIPTIONIRRIGATION LEGEND*SEEPLANWELLWSEEPLANMETER PITMPCONCEPTUAL IRRIGATION NOTES:1.ALL SECTIONS OF MAINLINE CROSSING UNDER CONCRETE, ROADS, OR OTHER LARGE HARDSCAPESURFACES TO BE IN SCH. 40 PVC SLEEVES.1.1.SLEEVES TO BE DOUBLE THE DIAMETER OF PROPOSED MAINLINE.1.2.LATERAL LINE SLEEVES TO BE SCH. 40 PVC AT LEAST DOUBLE THE DIAMETER OF THE LATERAL LINESIZE PROPOSED.2.ALL SYSTEMS TO BE ON A LOOPED MAINLINE WHERE POSSIBLE, REFER TO CONCEPTUAL IRRIGATIONMAINLINE LAYOUT.3.ALL SYSTEMS WILL BE 2 WIRE DECODER TYPE SYSTEMS.4.ALL INFORMATION SHOWN ON CONCEPTUAL DRAWINGS TO BE VERIFIED BY IRRIGATION DESIGNER, ANDCONTRACTOR. COORDINATION WITH GENERAL CONTRACTOR IS NECESSARY BEFORE CONSTRUCTIONBEGINS TO ENSURE PROPER LOCATION OF SLEEVES, ELECTRICAL CONNECTIONS, AND WATER SOURCECONNECTIONS.5.ALL IRRIGATION COMPONENTS TO BE HIGH EFFICIENCY, HEADS, NOZZLES, DRIP, VALVES, AND FITTINGS.GENERAL IRRIGATION NOTES AND SPECIFICATIONS1.THESE PLANS PROVIDE GENERAL ANTICIPATED WATER DEMAND AND TYPE OF IRRIGATION FOR THESUBDIVISION PARKS, WHICH ARE IRRIGATED BY (3) WELLS. THE SUBDIVISION OPEN SPACES AREIRRIGATION BY (1) WELL. THE WELLS WILL NOT BE CONNECTED IN ANY WAY.2.ALL VALVE BOXES TO BE STANDARD SIZE OR LARGER3.IRRIGATION MAIN LINE TO BE SCH. 40 PVC SOLVENT WELDED PVC IN CONTINUOUS LOOP, SIZE OF LINEDEPENDENT ON WATER DEMAND AS DETERMINED BY LANDSCAPE CONTRACTOR. LATERAL LINES TO BE 1"SCH 40 SOLVENT WELDED PVC OR 1" HDPE PIPE; DEPENDENT ON PRESSURES AND GALLONS PER MINUTEAT DISCRETION OF LANDSCAPE CONTRACTOR BASED ON PROFESSIONAL EXPERIENCE AND OPINION UPONDESIGN AND INSTALLATION OF THE SYSTEM.4.ALL TREES TO BE IRRIGATED THROUGH DEDICATED BUBBLERS EVENLY DISTRIBUTED AROUND BASE OFTREE WITH FOUR (4) EVENLY SPACED 1 GPH BUBBLER EMITTERS.5.TREES AND SHRUBS PLACED WITHIN PLANTING BEDS MAY UTILIZE DRIP IRRIGATION ADJUSTED PERINDIVIDUAL PLANT REQUIREMENTS.6.ALL SHRUBS OUTSIDE OF DEDICATED PLANTING BEDS TO HAVE DEDICATED BUBBLERS EVENLYDISTRIBUTED AROUND BASE, WITH TWO (2) EVENLY SPACED 1 GPH EMITTER.7.BUBBLERS TO TREES MAY BE OMITTED WHERE OVERHEAD IRRIGATION WILL PROVIDE ADEQUATE WATER.8.ALL MIXED SHRUB AND PERENNIAL PLANTINGS TO BE IRRIGATED WITH DEDICATED DRIP TUBING W/EMITTERS ADJUSTED PER INDIVIDUAL PLANT REQUIREMENTS.9.LAWN AND SEED AREAS TO BE IRRIGATED WITH SPRAY OR ROTOR OVERHEAD IRRIGATION AS INDICATEDPER PLAN.9.1.ALL SPRAY OR ROTOR OVERHEAD IRRIGATION HEADS WILL BE INSTALLED AND ADJUSTED PROPERLYTO MINIMIZE WATER OVER THROW ONTO PAVEMENT.9.2.ALL SPRAY OR ROTOR OVERHEAD IRRIGATION TO UTILIZE WATER EFFICIENT NOZZLES (MULTI-SPRAY,MULTI-TRAJECTORY, OR ROTATING SPRAY).10.ALL HEADS MUST ACHIEVE HEAD-TO-HEAD COVERAGE FOR SOD AREAS.11.SYSTEM SHALL UTILIZE WEATHER / MOISTURE MONITOR.12.BACKFLOW ASSEMBLY AND BLOWOUT ASSEMBLY SHALL BE LOCATED IN APPROVED EXTERNALGRADEBOX, AND IS THE RESPONSIBILITY OF THE LANDSCAPE CONTRACTOR TO COORDINATEINSTALLATION PER LOCAL CODES AND ORDINANCES, WITH ARCHITECTURE AND WITH ALL OTHER TRADES.13.POWER SOURCE FOR IRRIGATION CONTROLLER TO BE COORDINATED WITH ELECTRICAL ENGINEERINGAND ELECTRICAL CONTRACTOR BY LANDSCAPE CONTRACTOR.14.DO NOT INSTALL IRRIGATION SYSTEM WHEN OBVIOUS OBSTRUCTIONS OR GRADE CHANGES AREPRESENT.15.ALL INFORMATION TO BE FIELD VERIFIED BY CONTRACTOR PRIOR TO INSTALLATION.16.THE CONTRACTOR SHALL MAINTAIN AN ACCURATE & CURRENT 'AS-BUILT' IRRIGATION PLAN ON SITE ATALL TIMES.17.ALL SPRAY AND ROTOR HEADS WITHIN SOD LAWN AREAS TO PROVIDE A PRECIPITATION RATE OF0.4-0.8"/sqft.150750300N1L6001"=150'-0"Overall Irrigation Water Use Estimate - MunicipalOverall IrrigationWater UseEstimate -MunicipalL 600design5la.com406.587.4873dateissuedrawn by:checked by:filename:z:\west university properties\autocad\01_sheets\west university - blvds+os\l600_west-university-blvds+os-irrigation.dwg Aaker Boulevards & Open Space - Phase 1 Bozeman, Montana KHM/HU TMS 10/28/22Prelim Plat