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gr -COMMENDATIONS Staff recommends approval and award of the contract to Wharton -Smith in the amount of $8,527,000.00 which inciudes the base bid, alternative bid no. 1 and alternative bid no. 2. Also, the staff recommends that the Board of County Commissioners approve the attached agreement in form and authorize the chairman to execute the agreement after all requirements are submitted and approved by the County Attorney's office. In addition the staff asks the Board of County Commissioners to approve the direct purchase through the contractor by providing issuance of a purchase order and payment . DATE: MAY 23, 1997 TO: BOARD OF COUNTY COMMISSIONERS THRU : TERRANCE G. PINTO -- DIRECTOR OF UTILITY SERVICES FROM: ROBERT O. WISEMENA ew_ ENVIRONMENTAL ENGI, SUBJECT: SOUTH COUNTY WASTEWATER TREATMENT PLANT INDIAN RIVER COUNTY PROJECT NO. IIS -90 -20 -DC INDIAN RIVER COUNTY BID NO.4e33- r5hou-14 8E 1103�) During the May 20, 1997 meeting, the Board of County Commissioners asked for additional information on the South County. Wastewater Treatment Plant. As a result of that request, I have assembled the following: 1. Capacity Planning 2. Other Issues/Factors 3. Historical Events Regarding Project 4. Cost Savings/Operation Effectiveness 5. Construction Cost Analysis The attached package provides back-up information on all the activities which lead to this point. 1. Capacity Planning * Indian River County's Comprehensive Plan Sanitary Sewer Policy 5.3. Design for additional capacity for regional facilities shall begin when a facility is at 50% of its capacity, and construction of additional capacity shall begin when a facility is at 65% of its capacity in order to guarantee provision of more than the minimum level of service. _All future expansion will be based on the committed and projected future demand. * Florida Administrative Code - Chapter 62-600.405(8)(c) (FDEP). If the permitted capacity is equalled or exceeded within the next three years, the permittee shall submit a complete construction permit application. * Florida Administrative Code - Chapter 62-600.405(8)(d) (FDEP). If the permitted capacity will be equalled or exceeded within the next six months, the permittee shall submit to the Department (FDEP) an application for an operation permit. The present capacity of the plant is 0.85 MGD. During the last four months, average daily flow was 0.775 MGD (see attached spreadsheet, Total of Vero Highlands and Flow Sent to City of Vero Beach) with a maximum daily flow of 0.81 MGD (95% of plant capacity). *The average yearly increase in flow is estimated at 12%, or equal to 0.87 MGD (over 100% of plant capacity). Therefore, this plant capacity will be equalled within one year (or the end of 1998), the same time as the schedule for completion of construction. * The interlocal agreement with the City of Vero Beach has given the County access of 400,000 gallons to be treated at its .plant. The committed capacity of the South County and Vero Beach to date is 1.3622 MGD (see spreadsheet, 43 JUNE 39 1997 BOOK 10i FACE '08