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Mr. Himanshu Mehta, P . E . 9 April 2011 Page 7 gas flare will require temporarily shutting down the GCCS and controlling the vacuum to avoid impacts to the closed portions of the landfill and also control odor problems . Again close coordination between the landfill operator and construction contractor will be necessary . Construction drawings will be prepared utilizing the Segment 3 Expansion Permit Drawings prepared by Geosyntec and will include control points along changes in grade , and other critical locations , including 50 - ft grid intervals , to facilitate construction and certification of the Project . Technical Specifications and the CQA Plan will be compiled as part of the Construction Documents . The specifications will be prepared using the industry- standard Construction Specification Institute (CSI) format . Geosyntec will also prepare a bid sheet with estimate of material quantities for the contractor procurement . Task 3 .2 : Construction Cost Estimates Geosyntec will prepare an Engineer ' s Estimate of Probable Construction Cost for the Project to serve as a basis for comparison of bids during the procurement process . Probable construction cost will be based on estimated construction quantities for the project and engineering estimate of the probable unit cost for each item . Probable construction costs will be based on such catalogues as R. S . Means, information provided by product manufacturers , and Geosyntec ' s professional judgment and experience with similar expansion and liner system installation projects . Geosyntec will also prepare a construction schedule based on Geosyntec ' s understanding of the project and experience with similar landfill construction projects . Task 3.3 : Procurement Support Services Geosyntec will provide the County ' s Purchasing Division a complete package of the RFB for uploading onto the Demandstar website . SWDD will provide the front-end documents prepared for Phase 1 to be modified by Geosyntec for incorporation into the RFB package . Geosyntec will attend the pre-bid meeting with potential contractors to describe the Project and its requirements and answer questions at the pre -bid meeting . During the bidding process , Geosyntec will respond to written questions by issuing addenda. Preparation of addenda may require revisions to the Construction Drawings or material quantities as necessary to allow comparison and evaluation of bids from the contractors . Geosyntec will manage the procurement process , review and evaluate the bids submitted in compliance with the requirements of the RFB process, and prepare a recommendation with supporting rational for the selection of the preferred candidate contractor for construction of .Phase 2 of the Project . JL10086 Final cngillcet rs I scientkis 11111 ovIctlor`i