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Task 9.4— Beach Profile Modified Construction Template and Progress Surveys Upon adequate advance written notification by the Contractor that dredging is to commence, ATM shall review Contractor-conducted pre-construction surveys of the beach to serve as the basis for computation of payment by comparison of the quantity of beachfill contained within an approved template between the pre-construction and acceptance profiles. ATM shall modify the contract drawings as appropriate to reflect template overlays of the 'true' pre-construction beach profiles as acquired by the contractor. Quality control checks may be required and an independent survey conducted (at additional expense to COUNTY) if ATM determines that the CONTRACTOR survey data accuracy is suspect. The average end-area method will be used by ATM to compute beachfill quantities placed by the contractor and shall be the basis for payment at the contractual unit prices. Survey data reduction will be accomplished by ATM by acquiring data from the CONTRACTOR's licensed surveyor, performing quality control checks on the data, and preparing the data files for payment sections. The cost of services rendered by ATM for this task are based on the pre-construction survey data acquisition and processing necessary to produce the construction contract document modifications, and the data entry and computational aspects associated with the acceptance sections which will be evaluated by ATM, and which shall serve as the basis for CONTRACTOR payment. It is further assumed (for the purposes of labor hour reduction at the request of the Public Works Director)that the survey data received from the CONTRACTOR's surveyor will be reasonably seamless for integration into ATM computational software and graphics plotting programs. ATM will review for accuracy of computation and completeness CONTRACTOR's periodic payment requests and recommend payment to the COUNTY upon satisfactory completion of work of acceptance segments. Task 9.5—Substantial Completion Following notification by the CONTRACTOR that construction activities are complete, ATM will notify the COUNTY and conduct a final inspection of the work to determine equipment remaining, work items requiring completion, and all materials for clean-up. A punch-list shall be developed and coordinated with the COUNTY's Coastal Resource Manager, Coastal Engineer and/or other Public Works representative as designated by the COUNTY. Prior to approval of final payment to the CONTRACTOR a final inspection of the restored beach and dune areas will be conducted to determine if all work is complete and, upon determination of satisfactory completion, recommend final payment to the COUNTY and prepare a certificate of substantial completion. CAWINDOWS\TEMPIATM IRC Constnrchon Phase Services-Ambersand Project Jan 14 2003 rev 11403 545pm.doc