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Required cold water dwelling storage capacity - commonly used fixtures and types of buildings.
The table below indicates 24 hours storage requirements related to commonly used fittings.
Cold Water Dwellings - Storage Capacities vs. Fixtures
|Type of Fixture||Storage Capacity per Fitting|
|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 Building||Storage per Person|
|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.
- Hot and cold water service systems - design properties, capacities, sizing and more.
- DFU are used to calculate the drainage flow from fixtures and the required capacities of sewer service systems.
- Cold water storage for occupants in common types of buildings as factories, hospitals, houses and more
- Introduction to general design of domestic service water supply systems - with pressurized or gravity tanks.
- Supply requirements for common fixtures.
- Converting WSFU - Water Supply Fixture Units - to GPM.
- WSFU is used to calculate water supply service systems.
- Sizing water supply service and distribution lines based on Water Supply Fixture Units (WSFU).
- Sizing of water supply pipe lines.
- Free online tool for designing water supply systems in buildings.
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