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TABLE P2608.Nashville-Davidson-Murfreesboro-Franklin, TN Where required by Table P2608.4, plumbing products and materials shall either be tested by an approved third-party testing agency or certified by an approved third-party certification agency. Polypropylene (PP) pipe or tubing, 1 1/ 4 inches and largerĪll plumbing products and materials shall comply with the referenced standards, specifications and performance criteria of this code and shall be identified in accordance with Section P2608.1. Polypropylene (PP) pipe or tubing 1 inch and smaller Polyethylene/aluminum/polyethylene (PE-AL-PE) pipe TABLE P2605.1 PIPING SUPPORT PIPING MATERIALĬopper or copper alloy tubing (1 1/ 4 inch diameter and smaller)Ĭopper or copper alloy tubing (1 1/ 2 inch diameter and larger)Ĭross-linked polyethylene/aluminum/cross-linked polyethylene (PEX-AL-PEX) pipeĬPVC pipe or tubing (1 inch in diameter and smaller)ĬPVC pipe or tubing (1 1/ 4 inch in diameter and larger)

Piping shall be supported at distances not to exceed those indicated in Table P2605.1.

Rigid support sway bracing shall be provided at changes in direction greater than 45 degrees (0.79 rad) for pipe sizes 4 inches (102 mm) and larger. Hangers and strapping shall be of approved material that will not promote galvanic action.

Hangers and anchors shall be of sufficient strength to maintain their proportional share of the weight of pipe and contents and of sufficient width to prevent distortion to the pipe.Piping in the ground shall be laid on a firm bed for its entire length, except where support is otherwise provided.

Piping shall be supported to ensure alignment and prevent sagging, and allow movement associated with the expansion and contraction of the piping system.Piping shall be supported in accordance with the following:

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