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HomeMy WebLinkAboutWater Service Calculation Worksheet Commercial (2018 IBC) City of Bozeman Water Service Calculation Worksheet Project Address: ___________________________________ Property Owner: ______________________________ General Contractor: _______________________________________________________________________________ Permit Number: _______________ Proposed Water Meter Size: _______________ UPC Table 610.3 Standard Design Water Supply Fixture Units Appliances and Fixtures Fixture Units # of Fixtures Total Bathtub/Combination Tub/Shower 4.0 X ________ = ________ Soaker Tub 10.0 X ________ = ________ Shower (per head) 2.0 X ________ = ________ Clothes washer 4.0 X ________ = ________ Dishwasher 1.5 X ________ = ________ Hose Bibb 2.5 X ________ = ________ Additional Hose Bibb (each) 1.0 X ________ = ________ Drinking Fountain 0.5 X ________ = ________ Service / Mop Basin 3.0 X ________ = ________ Lavatory Sink 1.0 X ________ = ________ Kitchen Sink 1.5 X ________ = ________ Laundry Sink 1.5 X ________ = ________ Water closet (1.6 GPF) 2.5 X ________ = ________ Water closet (1.6 GPF – Flushometer tank) 2.5 X ________ = ________ Water closet (flushometer valve) Table Values ________ = ________ Urinal (flushometer valve) Table Values ________ = ________ Total Number of Fixture Units ________ Fixture Unit Tables for Determining Water Pipe & Meter Size Pressure Range – 46-60 PSI Circle the length in feet to the farthest fixture & applicable service, meter & branch sizes below based on the total number of fixture units detailed above. UPC Table 610.4 Maximum Allowable Length in feet Meter & Supply & 60’ 80’ 100’ 150’ 200’ Service Branches ¾” ¾” 20 19 17 14 11 ¾” 1” 39 36 33 28 23 1” 1” 39 39 36 30 25 ¾” 1¼” 39 39 39 39 39 1” 1¼” 78 76 67 52 44 1½” 1¼” 78 78 78 66 52 1” 1½”/2” 85 85 85 85 85 1½” 1½” 151 151 151 128 105 2” 1½” 151 151 151 150 117 1½” 2” 370 340 318 272 240 2” 2” 370 370 370 368 318 If count is over 370 fixtures, water demand does not meet table 610.4 submitted by a registered Montana mechanical engineers design, signed and stamped. 04.29.20 The Big Ugly LLC 3 4 4 0 4 0 1 7 6 0 0 16 8 12 6 2.5 3 7 9 0 17.5 82 1 1 1 0 TBD Iron Horse Rd. Bozeman MT 7 0 0 0