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2008-276 D
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2008-276 D
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Last modified
4/11/2016 10:29:43 AM
Creation date
10/1/2015 12:34:52 AM
Metadata
Fields
Template:
Official Documents
Official Document Type
Contract
Approved Date
09/09/2008
Control Number
2008-276 D
Agenda Item Number
8.DD.
Entity Name
Interstate Engineering Corp.
Subject
South RO Water Treatment Plant Improvements Material and Equipment
Area
South RO Water Treatment Plant
Project Number
UCP 2859
Bid Number
2008027
Supplemental fields
SmeadsoftID
7558
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B . The baseplate must be cast iron drip rim baseplate with integral drip channels incorporated <br /> on each side. Each channel shall include an NPT connection and plug. The baseplate must <br /> conform to ANSI/ASME 1373 . IM 1984 Standard Dimensions and have pre-drilled holes for <br /> pump and motor mounting as well as grout holes . The baseplate design must provide <br /> sufficient rigidity to maintain alignment between pump and motor. <br /> 2 .09 COUPLING <br /> A . The shaft coupling between the motor shaft and the pump shaft is to be a flexible spacer <br /> coupling, Falk T10 1090T . The coupling must have a drop out center spacer to allow the <br /> shafts to be disconnected without disturbing the pump or motor. Coupling hubs are to be <br /> keyed into position on both shafts . The flexible rubber insert is to be EPDM . The coupling <br /> must be selected properly by horsepower rating and shaft size for the pump and motor <br /> combination specified . <br /> B . An OSHA approved coupling guard shall be furnished over the coupling for protection. <br /> 2 . 10 MOTORS <br /> A. Drive motor shall be horizontal squirrel -cage induction type as specified in Section 16490 . <br /> The motor shall be for use with a VFD . The motor nameplate horsepower rating must not be <br /> exceeded at any head-capacity point on the pump curve. <br /> B . Drive motor must be designed, manufactured, and tested in accordance with the latest revised <br /> edition of NEMA MGI. The motor shall be the squirrel-cage induction, NEMA Design B, <br /> single speed type. The motor nameplate horsepower rating must not be exceeded at any <br /> ihead-capacity point on the pump curve . The motors must conform to the following: <br /> Synchronous Speed 1 , 800 rpm <br /> Horsepower 150 HP (Maximum) <br /> Voltage, Phase & Frequency 460V++ 10%, 3 -phase, 60 Hz <br /> Mounting Horizontal <br /> Enclosure TEFC <br /> Design NEMA B <br /> Service Factor 1 . 15 for continuous duty <br /> Duty Cycle Continuous <br /> Ambient Temperature Rating 40 degrees C <br /> Winding Insulation Class F <br /> Tempe Rise Class B <br /> Starting Method Variable Frequency Drive <br /> Starting Current Manufacturers' standard <br /> Bearing Lubrication Sealed bearing <br /> I Bearing Life 150,000 hours rating life is defined <br /> by AFBMA standard <br /> C . Provide motor modifications as follows : <br /> 1 . Space heaters to prevent moisture condensation, rating 120 volts, 200 watt <br /> maximum, ac. <br /> 044572017 <br /> 11934-7 <br />
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