Category:731 Precast Reinforced Concrete Manholes and Drop Inlets
731.1 Construction Inspection for [http://modot.mo.gov/business/standards_and_specs/Sec0731.pdf Sec 731
These items are usually cast at a manufacturing plant and inspected by Division of Construction and Materials. Sometimes contractors elect to do their own precasting. If they do, the work should be inspected in accordance with applicable portions of Sec 1033, 1055, 1057, and 1066.
Final measurements are not required except for authorized changes which should be added to or deducted from plan quantity. The inspector should record enough information in a field book to show how the unit was built and this entry should be signed by the inspector.
731.2 Material Inspection and Laboratory Inspection for Sec 731