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Opening of Bids - Two (2) More or Less Custom Rear Mount Pumpers Spec C - Sentinel Emergency Solutions
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Opening of Bids - Two (2) More or Less Custom Rear Mount Pumpers Spec C - Sentinel Emergency Solutions
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Board of Public Works
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Projects
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9/8/2020
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when disconnected. <br />MAIN PUMP INLET VALVES <br />The 6.00" pumpmanifold inlets shall beelectricallyactuatedfromthe pumppanel. The <br />valves shallinclude apressurerelief valves toguardagainstincomingpressure surges.These <br />controls shall bemomentary to allow the valveto be gatedfor easeof operation.Indicator <br />YES/NO <br />lightsshallbe providedtoshow ifthevalveis open orclosed. <br />SHORT SUCTION TUBE <br />The suctiontubeson themidshippump shall have"short" suctiontubes toallow for <br />YES/NO <br />installation ofadapters without excessive overhang. <br />VALVES <br />All ball valvesshallbe Akron Brass. Seatsshallbeself-adjustingforminimum operating <br />torque andmaximum abrasionresistance. The Akronvalves shall have anautomaticlocking <br />feature tohold the ballinany throttle positionatanyoperating pressure.The valve body <br />YES/NO <br />design shallallowany actuator to bemountedtothebody. <br />INLET (Rear) <br />On therear panelshallbeone (1) 2.50" auxiliarysuction, terminatingin 2.50" National <br />Standard Hose Thread.The auxiliarysuction shall be provided witha strainer, chromeswivel <br />and plug. <br />YES/NO <br />Inletvalve locationshallbe behind the pump panel. <br />INLET CONTROL <br />Gating shall be accomplished ateach inlet bymeansof a controllever,similarto thatused <br />YES/NO <br />forthedischarges. <br />TANK TO PUMP <br />The boostertankshall beconnectedtotheintakesideof the pump with 3.00"heavy-duty <br />piping and a quarterturn 3.00"Elkhartvalve. Thecontrolshallberemotelylocated atthe <br />operator's panel. Thetankto pumplineshallrunstraight, withoutelbows,fromthe pump <br />intothe frontfaceof the watertank andangle downinto thetank sump. A rubbercoupling <br />shall beincludedin thisline to preventdamagefromvibrationor chassisflexing. <br />A check valve shall be providedinthetankto pumpsupplyline toprevent the possibilityof <br />YES/NO <br />backfillingthe water tank. <br />TANK REFILL <br />YES/NO <br />A 1.50" combinationtank refilland pumpre-circulation line shall beprovided, using a <br />quarter-turnfullflowballvalvecontrolledfrom the pump operator's panel. <br />DISCHARGEOUTLET (Rear left upper) <br />YES/NO <br />Thereshallbe one (1) dischargeoutlet 2.50" valveonthe left, rearside oftheapparatus, <br />terminatingwith amale 2.50" NationalStandardhose thread adapter. <br />DISCHARGEOUTLET (Rear right upper) <br />Thereshallbe one (1) dischargeoutlet 2.50" valveontheright, rearside oftheapparatus, <br />YES/NO <br />terminatingwith amale 2.50" NationalStandardhose thread adapter. <br />DISCHARGEOUTLET, 3.00" <br />Thereshallbe a 3.00"dischargeoutlet with a 3.00" Akron valveinstalled ontherear of the <br />PDF created with pdfFactory Pro trial version www.pdffactory.com <br /> <br />
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