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Well No . 4 <br /> Install new 10-inch diameter pump with mechanical seal (IRC direct purchase) <br /> Install well column — 100 feet <br /> Conduct plumb test of well <br /> Construct well pedestal <br /> Install pressure sustaining valve (IRC direct purchase) <br /> Install telemetry system <br /> Install isolation valve to well piping manifold <br /> Rebuild existing pump to serve as spare <br /> Install piping /valves at wellhead <br /> Well No . 5 <br /> Extend well column — 40 feet <br /> Conduct plumb test of well <br /> Modify pressure sustaining valve <br /> Install telemetry system <br /> Well No . 6 <br /> Extend well column — 40 feet <br /> Conduct plumb test of well <br /> Modify pressure sustaining valve <br /> Install telemetry system <br /> General <br /> Telemetry system <br /> PLC hardware /programming interface <br /> Note : "by existing contract" items already under way by Utilities Department <br /> Work necessary at Well No. 3 to be completed in Task 2. <br /> Subtask 1 . 1 — Preparation of Plans and Technical Specifications <br /> CDM will prepare plans and specifications to include the above items to complete the well <br /> rehabilitation efforts for existing wells at the facility. CDM will provide digital drawing files <br /> and technical specifications to the County for bidding purposes . Specifications for telemetry <br /> system / PLC interface and pump rebuilding are to be included . IRC Utilities will prepare the <br /> necessary Contract Forms (Division 0 and 1) for the project. <br /> Subtask 1 . 2 — Bidding Services <br /> CDM will assist the County in obtaining bids for the well rehabilitation, assist the County in <br /> evaluating the bids and in assembling and awarding the contract, and will arrange and preside <br /> over a preconstruction conference . Detailed services include the following: <br /> B-2 mh 1092.doc <br />