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Western Gravel E &P Waste Disposal Facility October 2011 <br />CQA/QCP Page 19 of 19 <br />spacing of 50 feet or less, and the axes of the tops and toes of slopes will be surveyed on a spacing of 50 <br />feet or less. Vertical measurements shall be read to the nearest 0.01 foot to establish elevations at a <br />minimum precision of 0.1 foot. Horizontal measurements shal 1 be read to the nearest 0.1 foot to establish <br />locations at a minimum precision of 0.5 foot. <br />FINAL CONSTRUCTION DOCUMENTATION REPORTS <br />This part of the CQA/QCP describes the Final Construction Documentation Reports (Certification <br />Reports) that will be completed upon each distinct phase of facility construction. The Certification <br />Reports will be prepared by the CQA Engineer and submitted to the Colorado Department of Public <br />Health and Environment ( CDPHE) for review and approval. At a minimum, the Certification Reports <br />will contain the following information: <br />1. All correspondence with CDPHE regarding this phase of the facility. <br />2. Documentation of all required surveys. <br />3. A summary of all problems /deficiency reports and resolutions. <br />4. All daily reports, field and laboratory results conducted by the CQA Engineer. <br />5. All QA laboratory test results for geosynthetic materials provided by manufacturer. <br />6. All Installer' daily reports on panel deployment and seaming for geosynthetic materials and seam <br />test results. <br />7. Any installation acceptance forms completed by Installer or Owner. <br />8. Geosynthetic Laboratory test results of destructive seam samples conducted by installer and all <br />CQA test results conducted by CQA Engineer. <br />9. All manufacturer quality assurance (MQA) test results of pipe and manhole construction <br />materials. <br />10. As -built construction drawings sealed by a licensed surveyor in the State of Colorado. <br />11. A statement by CQA Engineer documenting that the construction has been completed in general <br />accordance with the approved plans, specifications and CQA/CQP. <br />12. Following post - closure, a final closure certification report shall be prepared and stamped and <br />signed by a professional engineer registered in the State of Colorado. <br />F \Jobs \8718 West= GravelE &PDisposalFacility\Reports\ <br />D &0P1an2011\SecondD &0 Edits _Dw=ber2011\ <br />CQAQCPRevised12_12 doc <br />NWCC INC. <br />