Step #1:
Step #2:
Use this form to determine peak flow capacity. DO NOT include fixtures handled by city pressure (lower floors).
After determining the Total Fixture Flow Units, convert to Gallons per Minute Load.
Peak Flow (GPM)
Fixture
Occupancy
Load Fixture Units
Number of Fixtures
Total
Fixture Flow Units
APT. OFFICE
HOTEL
HOSPITAL
Bathroom Group F.V.
Private
8
100
70
80
100
Bathroom Group F.T.
Private
6
300
80
90
100
Bathtub Immersion
Public
20
600
100
100
120
Water Closet F.V.
Public
10
900
120
125
135
1200
135
145
155
Water Closet F.T.
Public
5
1500
150
165
185
Urinal Pedestal F.V.
Public
10
1750
170
185
200
Urinal Stall or Wall
Public
5
2000
190
200
220
3000
250
275
300
Lavatory
Public
2
Kitchen Sink
Public
4
Service Sink
Public
3
Step #3:
Garbage Disposal, Sink
Public
3
Calculate Total Peak Load (GPM)
Clothes Washer
Private
2
Fixture Load
Clothes Washer
Public
4
Planned Extra Service
Public
Dishwasher
6
Public
Drinking Fountain
2
TOTAL PEAK LOAD
Public
Steam Tables
1
Public
3/4 Conn.
6
Enter this amount in TOTAL PEAK LOAD field on Domestic Booster Pump Design Guide
Select
Public
Private
Select
Public
Private
Select
Public
Private
TOTAL FIXTURE FLOW UNITS=