Allowable loads for the chambers must be determined in accordance with [https://www.astm.org/Standards/F2787.htm ASTM F2787-13] “Standard Practice for Structural Design of Thermoplastic Corrugated Wall Stormwater Collection Chambers”. | Allowable loads for the chambers must be determined in accordance with [https://www.astm.org/Standards/F2787.htm ASTM F2787-13] “Standard Practice for Structural Design of Thermoplastic Corrugated Wall Stormwater Collection Chambers”. |