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<br />Section 1 <br /> <br />Task Summary <br /> <br />'IIIl Assumptions: The Lochbuie RO treatment plant and peripheral system are <br />operating in a stable predictable manner. The labor cost for the equipment <br />service technicians is included in the cost for the treatment equipment. <br /> <br />'IIIl Deliverables: A start/up and cOlmnissioning report will be prepared <br />documenting the baseline operating conditions. <br /> <br />'IIIl Level of Effort: A 2/week effort is anticipated for the start/up and <br />commissioning. This will include 80 hours for the pilot plant field engineer; <br />24 hours for project manager, project engineer, and teclmical RO specialists. <br />An additional 24 hours is anticipated for the electrician and plumber to <br />trou bleshoot various operational pro blems. <br /> <br />Task 5 - Operate and Monitor Proposed Test Scenarios <br /> <br />Once the benchmark operating condition has been established for each <br /> <br />treatment process then the recovery, flux rates and other operating parameters <br />will be incrementally increased in accordance with the approved test plan until <br />the ultilnate perfonrumce objectives are achieved. The VSEP process will require <br />periodic chClnical cleaning of the components during the test period and prior to <br />each new test condition. The frequency and efficacy of the cleaning will be <br />factors in detennining the practical recovery lilnitS. <br /> <br />The purpose of the softening and cation exchange systems associated with the <br />high recovery RO system is to remove potential scale forming mineral form the <br />RO feed water, which will allow the high recovery RO process to run for an <br />extended period without chelnical cleaning. Chelnical cleaning of the RO system <br />may still be required if there are sediments or organics in the feedwater that foul <br />the membranes when highly concentrated. If a fouling or scaling trend is <br />o bserved then the pilot plant RO system will be chelnically cleaned prior to <br />proceeding to the next test condition. <br /> <br />Periodic regeneration of the ion exchange system will also be required during <br />testing of the high recovery RO system <br /> <br />'IIIl Assumptions: A testing period of 4 months is proposed to allow evaluating <br />the various performance variables and operating for 2 to 3 weeks to monitor <br />for potentiallnineral scaling or equipment problems <br /> <br />'IIIl Deliverable: None. <br /> <br />'IIIl Level of Effort: During this pCliod the pilot plant field engineer will visit the <br />site daily to monitor andlTlaintain the equipment. Technical specialists will <br />periodically visit the site on as needed basis to optilnize the treatment <br />process. <br /> <br />1-3 <br />