Section 246-271-040. Plans for sewage systems.

Report, general layout map and specifications - Every owner or authorized representative shall make a comprehensive study of the proposed sewage system and prepare and submit to the department a copy of a report, a general layout map and general construction specifications of the proposed public sewage system. Written approval of this report, general layout map and general construction specifications shall be obtained from the department before any further construction, alterations or additions are made to the system or, in case of a new system, before such system is constructed except as provided in subsection (1) of this section. After such approval has been received the owner shall not be required to submit any further plans and specifications for any part of the sewage system covered by the general layout map except as required by subsections (2), (3), and (4) of this section, but the owner shall notify the department of any portion of the system to be constructed and indicate its position on the approved general layout map. (The specifications may be submitted at the time of notification of construction.) The report and general layout map shall include but not be limited to the items listed under those headings in the appendix.

(1) In lieu of an approved report, general layout map, and specifications, any owner or authorized representative shall submit a copy of a report, a plot plan, and specifications of each new sewage system or alterations or additions to any existing sewage system and receive written approval before construction is started. The report and plot plan shall include but not be limited to those items listed in the appendix.

(2) Whether or not a report and general layout map have been approved, if the system does not include adequate sewage treatment works as determined by the department, written approval for the construction of each addition or alteration of the sewage system must be obtained from the department before construction is started.

(3) In case an addition is to be made to a sewage system and this addition is not a part of an approved general layout map, the owner shall submit a copy of a revised general layout map or a plot plan of the area to the department and receive written approval before construction is started.

(4) Every owner shall submit a set of detailed plans and specifications of all overflow or bypass structures, pipe outlets and pumping stations with overflow structures, showing the quantities of flow for which they are designed and shall receive written approval from the department before construction is started.

[Statutory Authority: RCW 43.20.050. WSR 92-02-019 (Order 225B), § 246-271-040, filed 12/23/91, effective 1/23/92; WSR 91-02-051 (Order 124B), recodified as § 246-271-040, filed 12/27/90, effective 1/31/91; Regulation .92.030, effective 3/11/60.]

RCW 43.20.050. WSR 92-02-019 (Order 225B), § 246-271-040, filed 12/23/91, effective 1/23/92; WSR 91-02-051 (Order 124B), recodified as § 246-271-040, filed 12/27/90, effective 1/31/91; Regulation .92.030, effective 3/11/60.