WAC 51-57-790000   Installation Standard 7-03 -- Polyethylene cold water building supply and yard piping.  


2.6.1 Location. Polyethylene piping may terminate within a building or structure. The connection to the potable water distribution system shall be accessible, except that it may be buried underground outside of the building or structure in an accessible location. Barbed insert fittings with hose clamps are prohibited within a building.



[Statutory Authority: RCW 19.27.190, 19.27.020 and chapters 19.27 and 34.05 RCW. 07-03-043, § 51-57-790000, filed 1/11/07, effective 7/1/07. Statutory Authority: RCW 19.27.031, 19.27.074. 02-01-114, § 51-57-790000, filed 12/18/01, effective 7/1/02.]