02-385-900 Me. Code R. § 3-2

Current through 2025-03, January 15, 2025

Section 385-900-3-2 - Water Supply

3-2.1

Water-Riser Pipes, Size, and Protection. Water-riser pipes shall be a minimum of 3/4 in. nominal diameter. Water-riser pipes shall extend a minimum of 6 in. above ground elevation. Water riser pipes shall be terminated with a threaded plug, hose bib, or cap when a manufactured home does not occupy a site. Surface drainage shall be diverted from the location of the riser pipe.

3-2.1.1.

Water Supply Shutoff Valves. An accessible shutoff valve shall be provided on the water-riser pipe serving the manufactured home. The system shall be protected from backflow for single family residences on shared wells.

3-2.1.2.

Protection Against Freezing. Provision shall be made to protect the water supply piping and valves, including the riser.

(a) Frost-proof valves shall be installed where necessary and shall be listed for backflow protection.

(b) In areas subject to heaving and thawing, the piping shall be adequately protected to prevent damage.

(c) Heat cables and tapes, when used for protection of plumbing components against freezing, shall be listed and labeled.

(d) Installed in accordance with manufacturer's instructions and listing requirements.

02-385 C.M.R. ch. 900, § 3-2