Page 186 - Fair, Geyer, and Okun's Water and wastewater engineering : water supply and wastewater removal

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148 Chapter 4 Quantities of Water and Wastewater Flows
Table 4.18 (continued)

Flow Rate Per Flow Rate Per
Type of Facility or Development Person (gpcd) Unit (gpud)
Commercial, General
(Per Acre) 2,000
Factories
Per Person/Shift 25
Add for Showers 10
Food Service Operations (Per Seat)
Ordinary Restaurant 35
24-Hour Restaurant 50
Restaurant Along Freeway 70
Tavern (Little Food Service) 20
Curb Service (Drive-In, Per Car Space) 50
Catering, or Banquet Facilities 20
Hair Dresser (Per Station) 170
Hospitals (Per Bed) 175
Hotels (Per Room) 120
Add for Banquet Facilities, Theatre, Night Club, as
Applicable
Homes
1 Bedroom 150
2 Bedroom 300
3 Bedroom 400
4 Bedroom 475
5 Bedroom 550
Industrial, General
(Per Acre) 10,000
Institutions (Other Than Hospitals) 125
Laundromats (Per Machine) 580
Mobile Home Parks
Less Than 5 Units: Use Flow Rates for Homes
Twenty or More Units, Per Trailer, Double Wide 200
Five to Twenty Units, Use Prorated Scale 300
Motels
Per Living Unit 100–130
With Kitchen 150
Office, Dental Buildings
Per Employee 15–20
Per Square Foot 0.1–0.2
Dentist Per Chair 750
Parks (Per Picnicker)
Restroom Only 5
Showers and Restroom 10
Residential
General 100
Single Family, unit 370
Townhouse, unit 300