AWWA D108-19

This standard establishes minimum criteria for the design, fabrication, and erection of structurally supported aluminum dome roofs. Aluminum dome roofs can be used on any size tank erected in accordance with AWWA standards. When this standard is specified, in the case of conflict between this standard and any other standard, the requirements of this standard shall govern. The dome shall be a spherical structure conforming to the dimensions of the tank. The tank shall be designed to support the aluminum dome roof.