Minnesota Administrative Rules

4715.0810 PLASTIC JOINTS.

Subpart 1.

Joint methods.

Every joint in plastic piping must be made with approved fittings using solvent welded connections, fusion welded connections, insert fittings with metal clamps and screws of corrosion-resistant material or approved crimp rings, threaded joints according to accepted standards, or special IAPMO listed fittings of other types. Large diameter water service pipe may have approved elastomeric-gasket push-on type joints which comply with ASTM D 3139. All solvent materials must meet approved recognized standards. Expansion and contraction joint materials and dimensions must conform to ASTM D 2661 or ASTM D 2665 and shall be of an approved type. Gasketed sewer fittings must comply with ASTM F1336.

Subp. 2.

Primer.

Solvent weld joints in PVC and CPVC pipe must include use of a primer of contrasting color to the pipe and cement. Primers must comply with the National Sanitation Foundation (NSF) Standard Number 14. A mechanical method of preparing PVC or CPVC pipe for solvent cement is not acceptable in lieu of using a primer.

Exception: A one-step solvent cement complying with ASTM F493 and ASTM D2846 may be used for CPVC pipe.

Subp. 3.

Fusion welding.

Fusion-weld connections in polypropylene pipe shall include socket-fusion, butt-fusion, electro-fusion, and fusion outlet branch fittings. Fusion welding shall be in accordance with ASTM F2389.

Statutory Authority:

MS s 16B.59 to 16B.75; 326.37 to 326.45; 326B.101 to 326B.194; 326B.43 to 326B.49

History:

11 SR 1405; 15 SR 76; 19 SR 590; 23 SR 686; L 2007 c 140 art 4 s 61; art 6 s 15; art 13 s 4; L 2008 c 337 s 64; 33 SR 2042

Published Electronically:

May 14, 2012