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64 <br />e <br />11.1.4. CFNTRAI. REGIONAL WASTEWATER TREATMENT <br />FACILITY - CENTRAD REGIONAL SLUDGE PROCESSING <br />FACILITY - ODOR CONTROL BLOWER REPLACEMENT (BID <br />145030) - WGC, INC. - .IACOBS AIR WATER SYSTEMS <br />The Board reviewed a Memorandum of November 4, 2002: <br />DATE: NOVEMBER 04, 2002 <br />TO: JAMES E CHANDLER, COUNTY ADMINISTRATOR <br />FROM: W. ERIK OLSON, DIRECTOR OF UTILITY SERVICES <br />i J <br />PREPARED AARON J. BOWLES, P.E. j <br />AND STAFFED ENVIRONMENTAL ENGNEER <br />BY: DEPARTMENT OF UTILITY SERVICES <br />SUBJECT: CENTRAL REGIONAL SLUDGE PROCESSING FACILITY <br />ODOR CONTROL BLOWER REPLACMENT <br />RA C'KGRC)T'N1)• <br />The Central Wastewater Treatment Facility, located at 3550 49th Street, was purchased by Indian River <br />County in the late 1970's and is currently operating with a capacity of 2.0 MGD. The Central Regional Sludge <br />Processing Facility, located adjacent to the Central WWTF at the same address, became operational in March <br />of 1993. Due to ongoing concerns with odor problems, the Department of Utility Services has implemented <br />installation of various odor control devices. <br />AN1T,YSTS• <br />Through previous approvals, the Board of County Commissioners approved a design/ build contract with <br />WCG Inc. which included upgrading the existing facilities with odor control that should significantly reduce <br />the amount of odors emanating from within the sludge processing facility. These revisions include enclosing <br />the belt press within the facility that leads to the truck loading area via fiberglass paneling additional <br />enclosures for the sludge thickening units, connecting the sludge thickening units to the existing air scrubber <br />system via hood mounted air ducts and equipping the south side of the truck loading area with freezer type <br />strips. <br />To date, all of the above odor control improvements have been completed and initial start-up of the <br />upgraded system proved to be promising. Unfortunately, on the first full day of operation, the blower <br />assembly's fan impellers, responsible for all air movement within the odor control system, sheared off resulting <br />in a blower fan failure. Due to the blower now being inoperative. it is imperative that it be replaced as soon as <br />possible to re -gain control of the odors being produced from the subject facility. <br />NOVEMBER 12, 2002 <br />143 <br />r <br />R. <br />41. <br />¢.4 <br />