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Cold Water Dwellings - Storage Capacities

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The table below indicates 24 hours storage requirements related to commonly used fittings.

Cold Water Dwellings - Storage Capacities vs. Fixtures
Type of FixtureStorage Capacity per Fitting
litersgal
Basin 90 23
Bath 900 207
Garden watering tap 180 47
Shower 140 - 230 36 - 60
Sink 90 - 180 23 - 47
Urinal 110 29
WC 180 47

The table below indicates 24 hours storage requirements related to different types of buildings.

Cold Water Dwellings - Storage Capacities vs. Type of Building
Type of BuildingStorage per Person
litersgal
Hostels 90 23
Hotels 135 35
Offices with canteens 45 12
Offices without canteens 40 10
Restaurants, per meal 7 2
Boarding School 90 23
  • check CIBSE Guide G (2004) Public Health Engineering

A water storage in a domestic dwelling should have a capacity of at least 200 - 300 liters.

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Related Topics

• Water Systems

Design of hot and cold water service and utility systems with properties, capacities, sizing of pipe lines and more.

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Cold Water Storage per Occupant

Cold water storage for occupants in common types of buildings as factories, hospitals, houses and more

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DFU are used to calculate the drainage flow from fixtures and the required capacities of sewer service systems.

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Introduction to general design of domestic service water supply systems - with pressurized or gravity tanks.

Water Supply due to Fixtures Water Requirements

Supply requirements for common fixtures.

Water Supply Fixture Units - WSFU vs. GPM and Liters/sec

Converting WSFU - Water Supply Fixture Units - to GPM.

Water Supply Fixture Units WSFU

WSFU is used to calculate water supply service systems.

Water Supply Lines - Sizing

Sizing water supply service and distribution lines based on Water Supply Fixture Units (WSFU).

Water Supply Pipe Lines - Sizing

Sizing of water supply pipe lines.

Water Supply Systems - Online Design Application

Free online tool for designing water supply systems in buildings.

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