Pre-Installation Inspection
This presentation introduces and reviews of AASHTO R-73, which provides excellent guidance on the evaluation of Pre-installed precast concrete pipe, box culverts, manholes and drainage inlets. R-73 describes criteria for acceptance, repairable and rejection criteria of precast products. Examples of acceptable and rejectable precast products will be shared in this presentation. Intended for inspectors in the field and at the manufacturing facility. This guide is not intended for the evaluation of installed precast concrete pipe, box culverts, three-sided structures, manholes, drainage inlets or other precast products.
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