2023 Online Catalog - Flipbook - Page 509
System Sizing Tables 17
TYPE OF ESTABLISHMENT ........................................................................................................................................................................................................................................................................................GALLONS/DAY
Airports (per passenger) ........................................................................................................................................................................................................................................................................................................................ 3 to 5
Apartments, Multi Family (per resident) ...............................................................................................................................................................................................................................................................................60
Camps:
Construction, semipermanent (per worker) .............................................................................................................................................................................................................................................................50
Day with no meals served (per camper) ....................................................................................................................................................................................................................................................................15
Resorts, day and night with limited plumbing (per camper) .....................................................................................................................................................................................................50
Tourist with central bath and toilet facilities (per person).............................................................................................................................................................................................................35
Cottages with seasonal occupancy (per resident) ..............................................................................................................................................................................................................................................50
Country Clubs (per non-resident member) .........................................................................................................................................................................................................................................................................25
Dwellings:
Boarding houses (per boarder) .......................................................................................................................................................................................................................................................................................................50
Luxury ( per person)............................................................................................................................................................................................................................................................................................................. 100 to 150
Multiple family apartments (per resident) ..................................................................................................................................................................................................................................................................40
Rooming houses (per resident) ......................................................................................................................................................................................................................................................................................................60
Single family (per resident) .............................................................................................................................................................................................................................................................................................. 50 to 75
Factories (gal per person per shift)............................................................................................................................................................................................................................................................................ 15 to 35
Hotels with private baths (two persons/room) ..........................................................................................................................................................................................................................................................60
Hotels without private baths (per person)..........................................................................................................................................................................................................................................................................50
Hospitals (per bed) ........................................................................................................................................................................................................................................................................................................................ 250 to 400
Laundries, self-service (gallons/washing/customer) ........................................................................................................................................................................................................................................50
Motel with bath, toilet and kitchen (per bed space) ........................................................................................................................................................................................................................................50
Motels with bed and toilet - no kitchen (per bed space).........................................................................................................................................................................................................................40
Parks:
Overnight with flush toilets (per camper) ....................................................................................................................................................................................................................................................................25
Trailers with individual bath units (per camper) ..............................................................................................................................................................................................................................................50
Picnic Areas:
With bath houses, showers and flush toilets (per picnicker)...................................................................................................................................................................................................20
With toilet facilities only (gallon/picnicker) ..............................................................................................................................................................................................................................................................10
Restaurants with toilet facilities (per patron) ...............................................................................................................................................................................................................................................7 to 10
Restaurants with bars and cocktail lounge (add per person)............................................................................................................................................................................................................... 2
Schools:
Boarding (per person) ............................................................................................................................................................................................................................................................................................................75 to 100
Day with cafeteria, gymnasium and showers (per pupil) ...............................................................................................................................................................................................................25
Day without cafeteria, gymnasium or shower (per pupil)..............................................................................................................................................................................................................15
Service stations (per vehicle)....................................................................................................................................................................................................................................................................................................................10
Stores (per toilet room) ................................................................................................................................................................................................................................................................................................................................... 400
Swimming pools (per swimmer) .........................................................................................................................................................................................................................................................................................................10
Theaters: Indoor or Drive-In (per auditorium seat/car space)............................................................................................................................................................................................................ 5
Workers: Construction (per person/shift) ..........................................................................................................................................................................................................................................................................50
Workers: Office (per person/shift)..................................................................................................................................................................................................................................................................................................15
Technical & Engineering
The following information lists estimated water usage for various establishments. Remember that these are only estimates.
SOURCE: Adapted from U.S. Public Health Service, 1962 Manual of Individual Water Supplies
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