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Item III (D) Approval and Authorization to Transfer $4,450 from Acct. No. 403-532-4900 Wastewater Reserve for Contingency to Acct. No. 403-535-6400 Equipment for the purchase of a 10 cubic yard Grit Dumpster AGENDA 6-7-94 •. ..___ Item III D C, © C �fy,4'*of Goo`�a`�� JAMES W.SHIRR,P.E. CITY ENGINEER/UTILITIES DIRECTOR 150 N.LAKESHORE DRIVE•OCOEE,FLORIDA 34761 (407)656-2322 MEMORANDUM DATE: May 25, 1994 TO: The Honorable Mayor and Board of City Commissioners FROM: James W. Shim, P.E. ,07 City Engineer/Utilities Director SUBJECT: Wastewater Plant - Grit Dumpster Our newly expanded wastewater treatment plant includes a mechanism for removing grit and plastics from the waste stream before it enters the biological treeatment process. Our old plant did not have this capability, and we have already found that our treatment efficiency has risen dramatically. The downside to the additional step is that we now generate approximately one cubic yard of material a week that must be disposed of. We had anticipated that we would collect this material in a standard 2 cubic yard dumpster and have IWS remove it for us, to be disposed of at the nearest solid waste transfer station. We have recently been notified by IWS that Orange County no longer allows this material to be dumped at their transfer stations. As a result, we now must have the material transported directly to the landfill every two weeks in order to limit odors, at a cost of $170.00 per trip. This adds up to approximately $4,400.00 per year, which will be a continual cost. To reduce this cost, we can purchase a special container which is sealed to reduce odors and spillage in transit. This container has a 10 cubic yard capacity, so it will need to be hauled to the landfill only once every two months, for a transport cost of $1,020.00 per year. At this rate, the initial cost of the container will be recovered within 18 to 24 months. The container is available from IWS at a cost of $4,450.00. This purchase should be funded by a transfer from the Wastewater Reserve for Contingency account, which has a current balance of $68,025.00. I recommend that the City Commission authorize the transfer of $4,450 from 403-532-4900 Wastewater Reserve for Contingency to 403-535-6400 Equipment for the purchase of this container. WPcapocsomon.\24MAY94\ L.__ THE PRIDE OF WEST ORANGE h �.�,yQd