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POWER AND LIGHTING <br /> • Power Available: 3 phase/60 Hz/460 volt <br /> • Maximum Motor HP: 50 HP(large pump;jockey pump as required to meet performance <br /> requirements shown above and provide smooth transition between <br /> jockey and large pump.Jockey pump will activate initially on startup, <br /> transitioning to a larger pump on rising demands; larger pump will <br /> transition to jockey on falling demands) <br /> • Motor Details: TEFC, Premium Efficiency with space heater,thermostats <br /> • Motor Speed: SPECIFY IN QUOTE <br /> • Motor Drives: Variable Frequency Drives(SPECIFY IN QUOTE) <br /> o 50 degree max ambient temperature <br /> o Drive disconnect with drive fusing <br /> o Compatible with supplied motors <br /> o VFDs supplied shall be of the following(no equals): <br /> • Cutler Hammer,or <br /> • ABB Model,or <br /> • Allen Bradley Model <br /> o Within the City's existing system,the City utilizes model numbers Cutler Hammer No. <br /> SVX9000,ABB No.ACS550 and Allen Bradley AMC-FLEX. However,it shall be the <br /> Equipment Suppliers responsible to selected,design and configure VFDs for use in this <br /> application. <br /> • Transformer: As required to support electrical loads and other requirements defined herein <br /> (SPECIFY IN QUOTE) <br /> • Lighting: High Efficiency internal lighting(SPECIFY IN QUOTE); no external lighting. Lighting <br /> shall not be mounted to enclosure roof(if provided),to allow removal of roof. <br /> • Electrical receptacles: Minimum one convenience receptacle @ 120 v,20 amps <br /> • Provide single point disconnect for system <br /> • Electrical loads: As determined by supplied equipment and future large pump, plus the <br /> following: <br /> • City TESCO Panel (assume 20 Amp) <br /> • City flow meter(assume 20 Amp) <br /> • Provide accommodation for connecting a portable generator. <br /> o A sample generator termination design utilized at another City facility is attached <br /> (Attachment A)to demonstrate potentially suitable connection types and configuration. <br /> o All design of the generator connections shall be by the Equipment Supplier to provide a <br /> system compatible with the pump station,and shall be stamped and seal by the <br /> Responsible Engineer. <br /> PIPING AND MECHANICAL <br /> • Piping Materials: Mortar lined and epoxy coated steel OR stainless steel OR mortar lined <br /> and epoxy coated ductile iron (SPECIFY IN QUOTE,confirm pressure class and/or design <br /> pressure) <br /> City of Pleasanton <br /> RW Booster Station Request for Quotation 4 <br />