1.1 This specification covers the recommended design requirements and manufacturing practices for monolithic or sectional precast concrete water and wastewater structures with the exception of concrete pipe, box culverts, utility structures, septic tanks, and items included under the scope of Specification C 478. Note 1 - Water and wastewater structures are defined as solar heating reservoirs, cisterns, holding tanks, leaching tanks, extended aeration tanks, wet wells, pumping stations, grease traps, distribution boxes, oil-water separators, treatment plants, manure pits, catch basins, drop inlets, and similar structures.
Note 2 - Insulation and sealant requirements should receive special consideration due to special features of the application.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
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