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DNR COLORADO <br /> CO ColoraWater <br /> Conservation Board <br /> Department of Natural Resources <br /> Tasks <br /> Task 1 —Construction <br /> Description of Task: <br /> The majority of construction of the diversion improvements is expected to span 2018 through 2021. Major <br /> work items for this task are defined as follows: <br /> Mobilization <br /> Demobilization <br /> Dewatering and Temporary Structures <br /> Construction Diversion <br /> Intake Facility and Pipeline <br /> Spillway, Fish Passage, Divider Wall <br /> Construction is anticipated to start July 2018 with in-river construction occurring over two seasons: <br /> September 2018 through April 2019, and September 2019 through March 2020. Project completion is <br /> anticipated June 2021. <br /> Method/Procedure: <br /> Construction of the diversion improvements will be monitored for the duration of the project by the design <br /> engineer. Quality assurance and quality control will be ensured by the Owner's staff and oversight by an <br /> independent expert in recreational hydraulics so the hydraulic characteristics under various flow <br /> conditions meet project objectives related to structure stability and fish passage. The use of temporary <br /> cofferdams is anticipated to facilitate phased construction. During the first construction season, it is <br /> anticipated the main spillway, divider wall, diversion weir and fish passage will be constructed. The <br /> second construction season will include the intake structure and pipeline. <br /> Work will be invoiced to the Grantee as a percentage of work completed for the duration of the project. <br /> Completion of work described in the schedule of values will be summarized as a percentage of work <br /> completed and invoiced to the Grantee. Grantee expects monthly payment applications from the selected <br /> contractor to reflect percent complete progress of the project. <br /> The selected contractor will determine methods and procedures of construction and they will construct <br /> the proposed facility per the contract documents. The work is anticipated to occur over two, fall -winter <br /> construction seasons to facilitate in-river construction of half the structure per season. <br /> Deliverable: <br /> Monthly construction progress updates will be provided to CWCB documenting construction progress <br /> and associated portion of the grant funding will be highlighted as part of the update and pay request. <br /> Monthly Progress report <br /> Review of monthly pay application <br /> Construction completion report <br /> As-Built drawings <br /> Final pay request for Construction of the Diversion Improvements <br /> Water Plan Grant Exhibit A - Statement of Work Page 2 of 4 <br />