WAC 246-359-740
Drain connector to factory assembled
structures (FAS). (1) A FAS containing plumbing fixtures must be
connected to the drain inlet by a drain connector:
(a) Approved by the department;
(b) Consisting of pipe not less than Schedule 40 with
appropriate fittings and connectors; and
(c) Not less in size than the FAS outlet.
(2) The fitting connected to the drain inlet must be a
directional fitting to discharge the flow into the drain inlet.
(3) A drain connector must be:
(a) Installed and maintained with a grade not less than
one-fourth inch per foot;
(b) Gas-tight and no longer than necessary to make the
direct connection between the mobile home outlet and drain inlet
at the site.
(4) Each drain inlet must be maintained gas-tight when not
in use.
[Statutory Authority: RCW 70.114A.081. 99-03-065, §
246-359-740, filed 1/18/99, effective 2/18/99.]