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DATE: MAY 8, 1997 <br />TO: JAMES E. CHANDLER <br />COUNTY ADMINISTRATOR <br />FROM: TERRANCE G. PINTO/ <br />DIRECTOR OF UTILITY S <br />PREPARED ROBERT O. WISEMEN, P.E F{�E��w"�� �� <br />AND STAFFED ENVIRONMENTAL ENGINEER <br />BY: DEPARTMENT OF UTILITY SERVICES <br />SUBJECT: SOUTH COUNTY._TASTEWATER TREATMENT PLANT <br />EXPANSION TO.2-.0 MGD <br />ADDENDUM NO. 3 - ADDITIONAL SERVICES CONTRACT <br />WITH CAMP DRESSER AND MCKEE, INC. <br />INDIAN RIVER COUNTY PROJECT NO. US -90 -20 -DC <br />BACKGROUND <br />On September 20, 1994, the Board of County Commissioners approved <br />Addendum No. 2, the agreement with Camp Dresser and McKee, Inc. for <br />the South County Wastewater Treatment Plant Expansion to 2.0 MGD <br />for design, permitting, bidding services, resident engineering <br />services, and inspection. During design of the said project, the <br />engineer proposed several ideas --to the --County to save in <br />operational costs. These items were not included in the original <br />agreement with -the County since they were not considered in the <br />basic scope of work. <br />ANALYSIS <br />The following proposals were given to the County for consideration <br />during the design period (see attachment). A summary of the <br />proposal is as follows: <br />1. Design of a rotary drum thickener to reduce the number of <br />trucks hauling sludge to the Central Sludge Treatment <br />facility. The rotary drum thickener installation would save <br />the County an approximate operational cost of $164,000.00 in <br />a period of ten years according to the engineer's report or <br />approximately $215,000.00 based on.the bid. <br />2. Design of a- chlorine containment scrubber system per <br />performance specification."- This -was initiated due to the <br />concern regarding the County's liability in the event of a <br />chlorine cylinder leak. <br />3. Design of a monitoring and control instrumentation telemetry <br />system. This would give the County the ability to operate its <br />plant more efficiently (reduce costs) by reducing the required <br />operator's presence at the plant from 16 hours to 6 hours as <br />per FDEP permit Class I reliability reuse system. <br />4. Design of a climate control system for the laboratory and <br />instrumentation and control building. The existing window air <br />conditioning system is inadequate for this sensitive <br />electronic monitoring and control instrumentation. This is <br />needed to protect the County's investment. <br />Additional- permitting and design services. FDEP, during its <br />completion of the environmental resource permit, requires our <br />County to mitigate the impacted onsite wetland with similar acreage <br />creation in proportion to the size of the wetland. <br />These additional services were recently proposed based upon the <br />exact cost of spending. Staff has negotiated reasonable and fair <br />compensation in the amount of $27,206.00 for Items 1 through 4, and <br />$31,906.00 for additional design and permitting services, for a <br />total of $59,112.00. This will increase the total contract to <br />$581,613.00. <br />RECOMMENDATION <br />The staff of the Department of Utility Services recommends approval <br />of Addendum No. 3 to the contract with Camp Dresser and McKee, Inc. <br />in the amount of $59,112.00 for the additional services and <br />authorization of the chairman to execute same. <br />47 <br />BOOK PAGE ��� <br />JUNE 39 1997 <br />