For building footprints up to 9290 m2 (100000 f2) where multiple suction pits are designed.
Meets requirements for the National Building Code (AE) 2023
Overall dimensions 914mm (36in) x 939mm (37in) x 355mm (14in)
Hole Diameter fits 101mm (4in SCH 40) and 150mm (6in SCH 40)
Top Plate is 18 gauge 636 corrugated steel (.0478in) 
Wire mesh is 1/2-13F (flattened expanded)
Main frame is 2in x 2in x .125in welded steel angle iron
All metal is Hot Dipped Galvanized After Assembly 
No Bottom Panel Attached