Evaluation and Acceptance of Precast Drainage Products
Presenter: Taylor Lacy, PE & Matthew Johnson, PE
Organization: Tennesse Department of Transportation
Description: The American Association of State Highway and Transportation Officials’ (AASHTO) R73 Standard Practice, published in 2016, describes the evaluation of precast concrete pipe, box culverts, manholes, and drainage inlets. This standard also describes criteria for acceptable products, repairable products, and the rejection of defective products. All repairs shall conform to the criteria found in this document or to contract documents as applicable. The AASHTO R73 standard practice is applicable to storm water management precast concrete products, manufactured by both the wet cast and dry cast production methods, after curing and prior to
installation.
