Notes:1. System need to hold hydrostatic pressure assuming tank is full with water2. Materials should be durable to 30ppt salt water3. Materials should be suitable with drinking water.4. Internal tank face- All edges should be rounded and faces should be Smooth 5. Flanges/backing ring: Dimensions decision is not final and depends on the piping supplier standard , will be given later6.Mort collector ,tank given to build in two alternatives a) Part of the tank body as it is in this drawing b) Separately with 2 tank wall (Example