PDFWAC 246-272A-0265
Record drawings.
Upon completion of new construction, alteration, or repair of the OSS, the OSS owner shall submit a complete and detailed record drawing to the local health officer that includes at a minimum:
(1) Measurements and directions accurate to +/- 1/2 foot, unless otherwise determined by the local health officer, so that the following parts of the OSS can be easily located:
(a) All sewage tank openings requiring access;
(b) The ends, and all changes in direction, of installed and found buried pipes and electrical cables that are part of the OSS; and
(c) Any other OSS component which, in the judgment of the local health officer or the designer, must be accessed for observation, maintenance, or operation;
(2) Location and dimensions of the reserve area;
(3) Record that materials and equipment meet the specifications contained in the design;
(4) Initial settings of electrical or mechanical devices that must be known to operate the system in the manner intended by the designer or installer; and
(5) For proprietary products, manufacturer's standard product literature, including performance specifications and maintenance recommendations needed for operation, monitoring, maintenance, or repair of the OSS.