(1) The Health Officer may make inspections during construction to determine compliance with this chapter.

(2) Prior to the installation of any on-site sewage system, the Health Officer shall be notified by the installer of the permit number, site location, date, and time that the work is to be performed and shall request an inspection. The system may not be covered prior to this inspection except as noted in subsection (3) of this section. The licensed designer shall submit a record drawing according to the requirements in WAC 246-272A-0265 of the final construction within 10 days of final cover of the system. The record drawing shall be on a form approved by the Health Officer.

(3) No part of any on-site sewage system installation shall be covered or put into use until inspection and final approval have been obtained from the Health Officer. The Health Officer may waive this inspection requirement provided the installation has been performed by a licensed installer as per this chapter and WAC 246-272A-0260; provided, that the licensed designer of the on-site sewage system, as certified under Chapter 18.210 RCW, performs the inspection; except as noted in subsection (4) of this section. Requests for waiver from inspection should be submitted to the Health Officer prior to covering of the system. Final approval of on-site systems by the Health Officer can be made only after satisfactory inspection of the installed system, and receipt of record drawings of the final construction, and all appropriate fees received by Environmental Health Services.

(4) A final inspection shall not be acceptable from a licensed designer if the installation firm has financial ties with the licensed designer of the system. In such cases, Environmental Health Services must perform the final inspection of the installation.

(5) Any on-site sewage system installed, covered, or put into use without proper notification of or inspection by the Health Officer, except as provided for in subsection (3) of this section, shall be uncovered for inspection if so ordered by the Health Officer. The decision of the Health Officer not to require uncovering for inspection shall not be construed as approval of the installation of the on-site sewage system.

(6) If installation or workmanship of the on-site sewage system does not meet the requirements of this chapter, the Health Officer shall order corrections and cause a subsequent inspection to be made. Fees may be charged for subsequent inspections.

(7) Designer Inspections. Nothing contained herein shall prohibit the licensed designer of record from requiring additional designer-performed inspections to ensure compliance with design and regulation.