PDFWAC 296-150C-1560
Drainage—Clearance from drain outlet.
The drain outlet and couplers must have a minimum clearance of three inches in any direction from all parts of the structure or appurtenances and at least eighteen inches unrestricted clearance directly in front of the drain outlet.
[Statutory Authority: RCW 43.22.340, [43.22.]355, [43.22.]360, [43.22.]432, [43.22.]440 and [43.22.]480. WSR 96-21-146, § 296-150C-1560, filed 10/23/96, effective 11/25/96.]