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pity muitt, and coordination of the work. Permitting issues regarding reaming activities with the St. Johns River Water Management District are also included. Task 3.0 Monitor Contractor Progress lite Engineer will provide a qualified Resident Project Representative (RPR) to observe the contractor's progress and to determine, in general, if lite contractors executed work is being done in accordance with the contract documents. in addition, the RPR will be on-site to describe the lithology encountered, observe reaming operations, and monitor development activities. It is anticipated that the RPR will be onsite 70 percent of the time when well construction activities are occurring. In the event the contractor is late in completing; thu required work, the Engineer may require additional compensation for additional time -dependent services which may be required. CDM anticipates that it will take a contractor Gil days to substantially complete this project. Task 4.0 Flowmeter Evaluation The Engineer will evaluate proposed replacement flowmeters for Well Nos, 1, 2, and 3 at the South County Water Treatment Plant. Included in this task is assessing the condition of the existing meters, flowmeter alternatives and options, and evaluating perfeirmance characteristics of the proposed flowmeters. _ Task 5.0 rump Bearing [Wplacement Services associated with the previous workauthoriration included inspection of well pump bearings. The pumps at Well Nos. 7 through 4 are no longer manufactured and rephicement parts are not available. The well rehabilitation contractor had to have the replacement bearings specially made. Replacement costs total approximately $32,000. Contingency Services in the previous work authorization accounted for $25,040 of the cast. Tile remainder is included in the outside professional crisis. Contingency Services The pump and column of Well No -4 were idontified as being; slack during fieldwork associated With a previous work authorization. It is unknown how much effort will be requirutl to remove the pump and column at Well No. 4. he condition of the well is also unknown, so it is indeterminate if Well No. 4 requires reaming. The County has directed the Engineer to make an attempt to remove the pump and column at Well No. 4. To cover the potential costs of pump and column ren°roval and the reaming of Well No. 4, a Contingency Services allowance is provided for in thie, proposal. Activities designated under this allowance of 20% of the total amount will be performed only after receiving formal approval by Utilities Department personnel. Well No. 4 or the pump may become damaged as a consequence of the removal of tine pump and column. if this occurs, repair to the well and/or the pump could exceed the contingency funds that have been set aside. TW398.d" B-2