| PRECAST CONCRETE BOX CULVERTS, SHAWSPANS, ARCH SECTIONS |
| CANADIAN STANDARDS ASSOCIATION (CSA) |
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CAN/CSA-S6 Canadian Highway Bridge Design Code |
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| AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) |
C 1433 |
Standard Specification for Precast Reinforced Concrete Box Sections for Culverts, Storm Drains, and Sewers |
C 877 |
External Sealing Bands for Concrete Pipe, Manholes and Precast Boxsections |
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| AMERICAN ASSOCIATION OF STATE HIGHWAY AND TRANSPORTATION OFFICIALS (AASHTO) |
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LRFD Bridge Design Specifications |
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