CM 2100 Lecture Notes - Lecture 13: Polyvinyl Chloride, Hydrostatic Test, Astm International
25 Jun 2015
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Scope: this section covers manhole construction for sanitary and storm sewers; and pipeline and bedding materials for sanitary and storm sewers. 1. 02 related work: refer to the following sections for related work: 1. 03 reference standards: the following documents are referenced in this section: Submittals: contractor shall submit the following for review: Documents by the american society for testing and materials are referenced as astm . Suppliers certifications for pipe materials, precast manholes, castings, joints gaskets, non- shrink grout, and dampproofing. 2. 01 manholes: precast manhole risers, cones, and grade rings shall conform to astm c478. Cast- in-place manholes shall conform to the requirements for cast-in-place concrete referenced in part 1; precast grade rings shall be used for cast-in-place manholes. In addition, all manholes shall conform to the following: Wall thickness shall conform to the following table: Cast-in-place manhole depth 16" or depth greater than depth 12" or less depth greater than 12" less.
