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253 <br />The Commission for Health Services Wastewater Rules [e.g.: .1938(f),.1946(4), and <br />.1950(d)] <br />Document entitled APlanning and Permitting Procedures and Design Guidelines for <br />Subsurface Sewage Systems Where the Design Flow Exceeds 3,000 Gallons Per Day_ <br />Accepted principles and practices of soil science, geology, engineering and public <br />health <br />15. Design Review and Approval: <br />a. OSWP reviews design for completeness, compliance with applicable laws, rules, guidelines, <br />and good engineering and public health practice. <br />b. LHD reviews facility and wastewater system plans for compatibility with improvement permit, <br />and field reconfirms field acceptability of re- staked drainfields and repair field layouts. <br />OS WP approves plans and specifications when complete and all technical requirements have <br />been adequately met. <br />[OSWP- Central office shall acknowledge receipt of engineering plans and specifications, a review <br />engineer shall be assigned, and the design engineer shall be notified of items found to be incomplete <br />during a cursory review within 10 working days of receipt. Response shall be given within 25 <br />working days of receipt of complete information after determined to be complete. Revisions and <br />modifications shall be responded to within 10 working days. Incomplete projects shall be returned to <br />the engineer after 60 days if plans and specifications remain incomplete or if comments have not yet <br />been responded to.] * <br />16. LHD may issue Authorization to Construct after confirming: <br />All site modifications required in the Improvement Permit have been completed <br />OSWP has approved the engineering plans and specifications <br />SYSTEM CONSTRUCTION AND OPERATION PERMIT ISSUANCE <br />17. Applicant, Certifying Engineer, Installer, and LHD shall hold a preconstruction meeting on -site <br />to review plan details, site preparation steps, installation methods, construction schedule, and <br />inspection procedures. OSWP Staff may attend upon request by any party. Provisions must be <br />established for there to be engineer supervision and LHD inspection of all aspects of the system <br />installation prior to operating permit issuance. The Applicant's soil scientist may also be required to <br />be on -site during site preparation, selection and incorporation of fill material when determined to be <br />critical to the proper installation of the system. <br />18. Installation shall be completed in a professional, workman -like fashion in strict accordance with <br />approved plans and specifications (or approved modifications), and all requirements of the <br />Improvement Permit, Authorization to Construct and applicable Laws and Rules. <br />The owner shall maintain a contract with a registered professional engineer at all times <br />10 <br />