04-1492 CPH Supplement #16 - Laserfiche WebLink

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SECTION 1 PURPOSE OF SUPPLEMENT The purpose of this Supplement is to provide for Engineering Services, more specifically itemized herein, in the preparation of plans for the addition of a 250,000 gallon ground storage tank, two high service pumps, chlorination/ammoniation facilities, and site improvements. 2.0 2.1 SECTION 2 SCOPE OF SERVICES General The system shall be designed as a booster pumping system. The tank will fill in off- hours and be used to supplement the pressures dudng peak hours. Controls will be established to allow the system to be remotely controlled via computer and to provide a system that will yield a complete turnover of the ground storage tank and the existing elevated tank. Such complete turnover should be performed once per month. Integrated into the controls will be electric/automatic and/or control valves: 1. Elevated storage valve to be closed at a set pressure; Fill valve to be activated during Iow system flow (night time) to have a full tank before 6 A.M. and to shut the flow off to the GST when full or when booster pumps are on. The site plan and structures will be in general conformance with Figures A-l, A-2 and A-3 as presented to the Seminole County Board of County Commissioners (BOCC), and to the Seminole County staff recommended conditions attached to the "conditional use" granted by the BOCC. This is attached as Appendix A. Storaqe Tank and Pumping System The storage tank design will be a cast-in-place rectangular concrete tank approximately 45 feet by 70 feet by 11 feet. Tank will be buried approximately 3 feet and have a residential look. The tank top will be precast concrete panels and a 4:12 pitch truss roof will be installed on top of this to get a residential appearance. The pump building will be added to the front of the tank to look like a porch. The high