OPSS 422 - Precast Reinforced Concrete Box Culverts and Box Sewers in Open Cut
ASTM International
ASTM C1433M-15 - Precast Reinforced Concrete Monolithic Box Sections for Culverts, Storm Drains, and Sewers [Metric]
Canadian Standards Association
CAN/CSA-S6-14 PACKAGE - Canadian Highway Bridge Design Code - Consists of S6-14 - Canadian Highway Bridge Design Code and S6.1-14 - Commentary on S6-14, Canadian Highway Bridge Design Code
