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Samenvatting
The purpose of this standard is to provide minimum requirements for the design, construction, inspection, and testing of new welded carbon steel tanks for the storage of water at atmospheric pressure.
Tank roofs
All tanks storing potable water shall have roofs. Tanks storing nonpotable water may be constructed without roofs.
Items not covered
This standard does not cover all details of design and construction because of the large variety of sizes and shapes of tanks. Details that are not addressed shall be designed and constructed to be adequate and as safe as those that would otherwise be provided under this standard. This standard does not address composite elevated tanks (i.e., steel tanks with a concrete support structure) (see ANSI/AWWA D107, Composite Elevated Tanks for Water Storage). With the exception of aluminum dome roofs, this standard does not cover tanks constructed with materials other than carbon steel. This standard does not cover painting and disinfecting of tanks (see ANSI/AWWA D102, Coating Steel Water- Storage Tanks, and ANSI/AWWA C652, Disinfection of Water-Storage Facilities).
Design method
With the exception of reinforced concrete foundations, this standard is based on the allowable-stress design method.
AWWA D100
