HomeMy WebLinkAboutIron Horse_Water Service Calculation Worksheet_2023.05.18
2.5
X
X
¾” 20 19 17 14 11
¾” 39 36 33 28 23
1”
1”
39 39 36 30 25
¾” 1¼” 39 39 39 39 39
1” 78 76 67 52 44
1½”
1¼”
78 78 78 66 52
1” 1½”/2” 85 85 85 85 85
1½” 151 151 151 128 105
2” 151 151 151 150 117
1½” 370 340 318 272 240
2”
1½”
370 370 370 368 318
1”
¾”
2”
2”
1½”
1¼”
UPC Table 610.3 Standard Design Water Supply Fixture Units
Fixture Units # of Fixtures Total
4.0 X ________ = ________
10.0 X ________ = ________
2.0 X ________ = ________
4.0 X ________ = ________
1.5 X ________ = ________
2.5 X ________ = ________
1.0 X ________ = ________
0.5 X ________ = ________
3.0 X ________ = ________
1.0 X ________ = ________
1.5 X ________ = ________
1.5 X ________ = ________
Appliances and Fixtures
Bathtub/Combination Tub/Shower
Soaker Tub
Shower (per head)
Clothes washer
Dishwasher
Hose Bibb
Additional Hose Bibb (each)
Drinking Fountain
Service / Mop Basin
Lavatory Sink
Kitchen Sink
Laundry Sink
Water closet (1.6 GPF) 2.5 X ________ = ________
Water closet (1.6 GPF – Flushometer tank) X ________ = ________
= ________ Water closet (flushometer valve)
Urinal (flushometer valve) = ________
Table Values ________
Table Values ________
Total Number of Fixture Units ________
First identify the length in feet to the farthest fixture and applicable service. Then, cross reference the number of
fixtures, based on the Total Number of Fixture Units above to determine the appropriate Meter & Service, and
Supply & Branch size.
UPC Table 610.4 Maximum Allowable Length in feet - 46-60 PSI
Meter & Supply & 150’ 200’
Service Branches
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.
March 2023
Commercial (2021 UPC)
City of Bozeman Water Service Calculation Worksheet
Project Address: ___________________________________ Pr operty Owne r: ______________________________
General Contractor: _______________________________________________________________________________
Permit Number: _______________ Proposed Water Meter Size: _______________
*As a substitute for this form you can utilize Appendix M in Uniform Plumbing Code. The calculator results, as well as all of
the fixtures that will be used on this proje ct will need to be submitted in lieu of this form.
Sec . 610 .1
Sec. 6 10.1
100’ 80’ 60’
*Appendix M requires the property to be identified as a water conservation Building.