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ATTACHEMENT "A" JUSTIFICATION OF CHANGE ORDER NO. 2 South County Water System Water System Improvements Contract Part I - Distribution System Indian River County, Florida ITEM 1- 20th Avenue Water Line Extension In order to provide improved water service to the Ixora Subdivision, it is necessary to construct the 20th Avenue water line extension. These improvements will be accomplished by the construction of an 8 inch water line, tying into the existing Mid -Florida system at 8th Street, running south along 20th Avenue to Oslo Road, where it will tie-in to the 20 inch water main from the South County water treatment plant. The contractor has agreed to maintain the tame unit prices as were bid for their original contract for Part I - Distribution System. Two additional items must be added to the bid schedule which are: 1. the bridge crossing at the South Relief Canal, and 2. remobilization and re - demobilization. The item remobilization and redemobilization is justified since the contractor has removed his equipment and crews from the project site. See -Attachment "B"' for the detailed breakdown of the required estimated quantities and cost to:.;conztruct the 20th Avenue water line extension. ITEM 2 - Installation of a 12 inch Gate Valve and Box Indian River County is presently purchasing water from the City of Vero Beach for the South County area. This water is supplied by a 12 inch water line which runs along the west side of Old Dixie Highway, south from the City Limits of Vero Beach. In order to isolate the new South County water system from the City of Vero Beach, it will be necessary to install a 12 inch gate valve and box in the existing 12 inch water line. The contractor has agreed to install this 12 inchgate valve and.box.for an additional cost of $2,750.00. ITEM 3 - Mid -Florida Tie -In The Mid -Florida tie-in was deleted from the original contract prior to the actual award of contract because the necessary easements had not yet been obtained. Indian River County's Legal Department has now obtained all the required,easements so that the Mid - Florida tie-in can be added back in the contractor's original contraQt. The Mid -Florid;. tie-in consists of the installation of a 12 inch water ma n..connect;ing the Mid -Florida elevated storage tank to an existing looped 8 inch water :;i.ne around, the Vero Niall. The cost of this tie-in will be at the same unit prices as quoUd in the;contracttr t original bid. ON MOTION BY Commissioner Fletcher, SECONDED by Commissioner Lyons, the Board unanimously agreed to extend the meeting to 5:22 o'clock P.M. CHANGE ORDER NO. 3, SOUTH COUNTY WATER SYSTEM - CONTRACT PART 3 - GULF CONSTRUCTORS Engineer John Robbins reviewed the proposed Change Order, as .follows 3. OCT 2 01992 pox 5-1 w 757