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County of Riverside 5 the estimated settlement and will require repair. It should be noted that the added settlement for the proposed project is less than 1 foot out of the remaining 12 feet of settlement. 6 SOLAR PROJECT CONSTRUCTION CQA A Construction Quality Assurance Program (CQA) will be implemented during construction. It is recommended that a third party CQA Representative, hired by SEI, observe and document the solar array installation. To assure that the cover will not be damaged during construction of the solar arrays, the following CQA program measures will be implemented. Pre-Construction – A pre-construction meeting will be held between SEI, the CQA Representative, and the County to review the project installation process and expectations. SEI will submit documents which describe the installation equipment and procedures as well as the measure to be taken if damage to the landfill cover is identified by the CQA Representative. Damage is defined as disturbance of the existing soil cover of more than 1-inch of depth. Repair is defined as placement of soil or grading to restore the existing cover surface material in accordance with the closure CQA Plan, page 275 of this PDF, and Specifications (Earth Technology Corporation, 1993), page 209 of this PDF. Construction – The CQA Representative (under the direction of a California certified Professional Engineer or Geologist) will be present onsite full-time during earth work. Since the solar work is on the surface of the cover and visible, full-time observation by the CQA Representative will not be necessary. An initial topographic survey and post-construction topographic survey will be performed by SEI to document construction settlement. The CQA Representative will approve, observe, and document preparation and placement of the solar arrays, associated equipment, and connecting wiring. Problems with the work will be discussed with SEI and the County at meetings held as necessary to present the problems and implement their correction. Weekly construction progress reports will be prepared by CQA and forwarded to regulatory agencies upon request. The reports will consist of visual observation and a photographic record created and maintained by the CQA Representative. Post-Construction – SEI, the County, the regulatory agencies, and the CQA Representative will conduct a post-construction inspection of the completed solar installation. Problems and repairs will be identified and added to a punch list for SEI to complete. The CQA Representative will verify completion of the punch list and will prepare a certification report documenting the earth work and solar array installation. 7 COVER MAINTENANCE DURING CONSTRUCTION During construction, drainage and cover maintenance will be performed by SEI. The drainage and cover features for the landfill are shown on Figure 5. Drain pipes and surface ditches will be inspected on an ongoing basis, in accordance with the construction SWPPP, for signs of silting or blockage and will be cleaned when access to the location allows. SEI shall protect in