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SCOPE OF SERVICES <br />WATER RESOURCES (OPTION A) <br />Our scope of Services Incorporates the tasks Identified ty <br />the City in the REP, and as expanded below. <br />Well Rehabilitation <br />MASE I - WELL RECONNAISSANCE <br />L Dynaffilowoll evaluation <br />a. Perlorm Muller Pumping Tests <br />In order to evar luate the Current health Of the well, <br />and to provide a baseline from which to measure the <br />offisotiveness of the Phase 111worK aquifer pumping tests <br />should be portonned. These tests Will provide current <br />'utfurohara ristlosslon$withipraviding <br />wen and siq oto <br />sand readings over ti . thefirom start of pumphigt Recovery <br />measurements should be collected for a minimum Of two <br />(2) hours followlngthO cohst shl rsterpumpingtast� The <br />recommended aquifer pumping Weie are aslollows, <br />step Drowdown pumpingTost - to determine sPac][116 <br />06pooltyan4we�[eMolenvyrelatorthips- TYPI0411Y <br />three to four rates are Selected for purnring-beginning <br />at the lowest rate and working up to the highest. <br />Constant Rate pumpingfest & Recovery Test - time <br />drawdown slid recovery measurements Will be <br />made to determine aquifer parameters Such as <br />transmissivity and storatIvItY. it Is.eacommanded that <br />thei Wnstart rate test be conducted for a m1nirrium of <br />1.2 hours with 2 hours of recovery measurements. <br />our suboonsUltant, GEOSCIENCE will provide full-time <br />inspection during pumping and recovery tests. <br />2. Static Well Evaluation <br />a. Remow Exiang Pump and Equipment From Well <br />GEOSCIENCE has teamed With Best Drilling and Pump, <br />Ino, (Best) to perform work associated with removal of <br />equipment from the wait. Best Will remove the existing <br />pumps, motors, end column pipes from the well.and store <br />this equiprnent in the immediate area around the we <br />site. At the oomplefion of all activities, Best will rel 11 <br />the pump and equipment to their original depths. 0 r cost <br />proposal for this task includes Contractor feet, <br />b, Perform Initial Video Inspection <br />Once the pump is removed, paoffic Surveys, = (Pacific) <br />under the supervision of QI!OSCIENCE parsorm64 will <br />perform a dual-soan downhole video survey of the well. <br />The porpose of the video surveys Will be to document the <br />mhrlitinn nnd look for areas Of damage and/or <br />plugging In the well screen. GEOSCIENCE will provide full- <br />time Inspection during each video survey. The cost for the <br />surveying Contractor 15 Included In the PeOP9841. <br />S. Resulto and r6o6mmendations <br />At the concluslon.of the phase I evaluation, GEOSCIENCE <br />will prepare a letter report that summarizes the details, and <br />results of the work performed. This report will include: <br />• chronology of fleldactIvItlea, <br />• Analysis of aqUilbt Pumping tests, <br />• evaluation of current well conditions, and <br />• Recommendations for further rehalotitatlQ11 <br />procedures. <br />the letter report will be prosented to the City In M% <br />DRAFT electronic format for rbvlaw and aomment. CRY <br />corn I ments,Will be -incorporated and GEOSCIENCE will <br />issue a 10M FINAL version 11) eIectMnIQfQrm0l, M$ Well <br />Asthree (3) hard 00131ft for cost estimating purpose% It <br />is assumed that one round of comments, will be addressed <br />before a :100% FINAL version is Prepared. <br />PHASE 11 - WELL REHABILITATION <br />Based on the results of the activities described in Phase <br />1, some or all of the following task$ May be appropriate <br />foe the proper rehabilitation of the Well. Regardless of <br />what tasks are decided upon, It will be necessarYfor <br />the 04 to contract directly With a licensed C-57 drilling <br />Contractor to perform this work. Tile following scope items <br />are for dEMCIMCEto assist the City with procuring a' <br />quallfed Contractor and providing field supervislonduring <br />Contractor activItIM <br />:L, project ConstrUallon Management <br />GEOSCIENCE will provide construction manageMM. <br />services during Phas*� 11 of the well rehabilitation to ensure <br />that all aspects of the project are carried out In a proper <br />and efficient manner. Construction management activities <br />will include, but not limited to, attending a pr"onstruWon <br />meeting with prospective Contractors, responding to <br />contractor RFI's, review of Contractor submittals and <br />invoices, review of change order-requasts, and providing <br />status updates to City personnel, In addition we will ensure <br />that all work Is performed to the satisfaction of regulatory <br />agencies. In addition, GEOSCIENCE Will assist, as <br />necessary, with the procurement of any permitting required <br />to perform this work, Including NPDES requirements, <br />2. Pro-COnStfUctiOn Meeting and Pro-MobIlLtation <br />coordination with Contractor <br />NO <br />A <br />I <br />25E-51 0 <br />