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6 <br /> e I <br /> C ' <br /> A S S O C I A T E S ' <br /> July 5,2012 <br /> Mr. Christopher Stike <br /> Project Manager <br /> JF Wilkerson Contracting Co., Inc, ' <br /> Post Office Box 183 <br /> Morrisville,North Carolina 27560 <br /> RE: Brookhollpw Pump Station Changes <br /> Buckhorn/Efland Sewers <br /> Orange County,North Carolina <br /> Dear Mr. Stilce: <br /> We believe that we are at the point of having final plans for the proposed changes to <br /> modify the Brookhollow puxnp station and associated force main for the subject project. <br /> Please find attached revised plan sheets E7.0,E7.1, E7.2, E3.0, E3.1, and E2.0. Changes <br /> to those plan sheets have been clouded or printed in red, Further, the technical specifications for <br /> the pump and electrical shall be modif'ied as follows: <br /> � � I <br /> • Proposed pumps shall be 550 gpm at 110' TDH, 50 horsepower. I <br /> • Engine-generator set sha11 be rated for 150 1cW at 0.8 power factor, with a <br /> minimum starting KVA at 15%voltage dip of 600 KVA ! <br /> o The two (2) circuit breakers specified to be 3 pole, 3 phase, 90-amp sha11 be 250 j <br /> amp,from the generator and utility service. The generator mounted circuit breaker <br /> shall also be 250 amp. <br /> • The specification requiring the engine to.be 4 cycle, 276 cubic inch displacement, ,- <br /> 1800 rpm shall be deleted. � <br /> • The sub-base fuel tank for the generator shall be 500 gallon capacity in lieu of � <br /> 227 gallon. <br /> � The automatic transfer switch shall be 200 amp in lieu of 150 amp. <br /> i <br /> There have been soxne additional plan changes since you last provided pricing, so please � <br /> review and provide updated pricing. ; <br /> , I <br /> , <br /> � <br /> I <br /> 1 <br /> ; <br /> E n g i n e e r i n g • P 1 a n n i n g � F i n a n c e � <br /> McGill Associates,P.A.•P.O.Bax 1136,Hickory,NC 28603•124019"'St.Lane,NW,Hickory,NC 28601 i <br /> O,(frce:828-328-2024•Fax 828-328-3870 <br /> � <br />