"Piping" as used in ORS 671.540(1)(m), (n) & (o) and OAR 808-002-0480 means water distribution pipe, of any type or composition, including connecting fittings, used in an irrigation system. Piping does not include valves, control wires, sprinkler heads, emitters, nozzles, controllers or other elements used in an irrigation system.
Or. Admin. R. 808-002-0775
Stat. Auth.: ORS 183.310, 671.670 & 2009 OL Ch. 483
Stats. Implemented: ORS 671.520 & 671.540