HomeMy WebLinkAbout003 FIXTURES COUNT 5-24-20 Residential(2012 IRC)for Alteration and Additions
City of Bozeman Water Service Calculation Worksheet
Project Address: 1ko P Property Owner:_Lafr v QA�P r
General Contractor: Rjc V 1e4 o l Ly5 a4n , Wo1 OS-v d1 (onSfic,_ticA io 1nC
Permit Number: ?�PZ8- 000Z"13(30 Proposed Water Meter Size: 1 ',qc1
Standard Design Water Supply Fixture Units
Appliances and Fixtures Units #of EXISTING Fixtures NEW Fixtures Total
Bathtub or combo tub/shower(1/2-mvalve) 4.0 X
Bath Tub(3/4"fill valve) 10.0 X
Shower(per head) 2.0 X +/- Z =
Clothes washer 4.0 X
Dishwasher 1.5 X
Hose Bibb 2.5 X
Additional Hose Bibb(each) 1.0 X
Lavatory Sink 1.0 X
Kitchen Sink 1.5 X
Laundry Sink 1.5 X
Water closet[toilet] (1.6 GPF) 2.5 X
Bidet 1.0 X
Urinal (flushometer valve) Table Values*
Total Number of Fixture Units 3.5
Fixture Unit Tables for Determining Water Pipe&Meter Size Pressure Range-Over 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.
Maximum Allowable Length in feet
Meter& Supply& 60' 80' 100, 150' 200'
Service Branches
Y411 a/" 20 20 19 17 14
%" 1" 39 39 36 33 28
1" 39 39 39 36 30
%" 1%" 39 39 39 39 39
1" 1'/<" 78 78 76 67 52
1%" 1'/<" 78 78 78 78 66
1" 1%"/2" 85 85 85 85 85
1'/:" 1%" 151 151 151 151 128
2" 1s 151 151 151 151 150
1'/:" 2" 370 370 340 318 272
2" 2" 370 370 370 370 368
If count is over 370 fixtures,water demand does not meet table 6.10.4 and has to be engineered by a registered Montana
mechanical engineers design,signed and stamped.
03.12.19