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• 1 1.H.2. 16TH STREET WATER & FORCE MAIN RELOCATION - CHANGE ORDER #2 AND FINAL PAYMENT - PROJECT UW -98- 02 -DS AND US -98 -03 -CS - DRIVEWAYS, INC. The Board reviewed a Memorandum of January 14, 1999: DATE: JANUARY 14, 1999 TO: JAMES E. CHANDLER COUNTY ADMINISTRATOR FROM: DONALD R HUBBS, P.E. DIRECTOR OF UTI JTY PREPARED MICHAEL C. HOTCHKISS, P.E. AND STAFFED ENVIRONMENTAL ENGINEER BY: DEPARTMENT OF UTII= SERVICES SUBJECT: 16' STREET WATER AND FORCE MAIN RELOCATION INDIAN RIVER COUNTY PROJECT NOS. UW -98 -02 -DS AND US -98 -03 -CS CHANGE ORDER NO.2 AND FINAL PAYMENT BACKGROUND On May 12, 1998, the Board of County Commissioners (BCC) approved a labor contract with Driveways, Inc. in the amount of $48,040.54 and approved purchase of material in the amount of $17,623.62 for a total construction cost of $65,664.16 to relocate miscellaneous water and force mains in conflict with a proposed Florida Department of Transportation (DOT) drainage project in the Rockridge subdivision (see attached minutes of meeting). On October 20, 1998, the BCC approved Change Order No. 1, which adjusted the total labor contract amount to $74,057.04 and the total material cost to $19,502.41 (see attached minutes of meeting), for a revised total construction cost of $93,559.45. Construction of the project is now complete. During construction, the following additional changes were encountered: • Wastewater operations requested the contractor to install two additional isolation valves on the sewer collector main to minimise the number of customers affected by future outages. An Insta- Valve was installed at one location under pressure, due to the number of customers impacted by removing the main from service. A regular isolation valve was install at the other location, since the affected section of force main had to be relocated and hence, removed from service. • The contractor discovered that the small diameter force main that had to be relocated was a different type of PVC material than originally anticipated. Fittings for the antiquated pipe are no longer available. Consequently, the relocated pipe had to be constructed using ductile iron pipe, since associated fittings are adaptable to the existing PVC pipe. • Two of the water main conflicts identified in Change Order No. 1 were not needed, and eliminated from the contract. • A section of pipe that had to be replaced was discovered to be asbestos cement (AC) material. AC pipe has been identified as hazardous material by the Occupational Safety and Health Administration (OSHA), and is required to be; handled by certified contractors. Since Driveways, Inc. is not qualified to handle AC pipe, the _health department had to oversee packaging of the material. This caused a delay in construction until accommodations could be made to have the hazardous material properly sealed and hauled to the landfill. We are now requesting approval of Change Order No. 2, and final payment to the contractor. FEBRUARY 2, 1999 E -41- BOOK PAGE 265