Government Contract | Louisiana
REQUISITION AND DELIVERY OF TWO NEW PUMPS AND ONE MOTOR AT NEW RIVER PUMPING STATION

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Bid Information


Bid Alert No: 00001077183

Bid Title: REQUISITION AND DELIVERY OF TWO NEW PUMPS AND ONE MOTOR AT NEW RIVER PUMPING STATION

Agency Bid No. Title: 1401

Received Date: 09/01/2017

Close Date: 09/28/2017

Purchase Type: 250 calendar days

Delivery Point: New Orleans, Louisiana

Delivery Date: Not Stated

Special Notices: Pre-Bid Conference Optional 09/07/2017 10:00 AM

Specifications

Specifications include, but are not limited to: PUMPSA. Manufacturers1. Pump(s) shall be the product of Fairbanks Nijhuis.2. Manufacturer shall have installations of like or similar application with a minimum of 5 yearsservice for this pump size.3. Pump is a direct replacement with no piping changes allowed.B. Design1. Rotationa. The pump will be clockwise rotation when viewed from the driver end looking at thepump.2. Impellera. The impeller shall of close-grained cast iron conforming to ASTM A48 CL30 and be ofthe two-vane, enclosed mixed-flow design, single suction, solids-handling type designedto pass a minimum sphere size of 7.5 diameter.b. The impeller is to be dynamically balanced and secured to the shaft by means of a key,and impeller capscrew, and matched to the volute/casing. The arrangement shall be suchthat the impeller cannot be loosened from torque in either forward or reverse rotation.c. Wiper vanes on the back impeller shroud are not allowed.3. Volute/Casinga. The volute shall be matched to the impeller and made of close-grained cast ironconforming to ASTM A48 CL30. The volute is to be of one-piece design (split volute on42 and larger) with smooth fluid passages large enough to pass any size solid that canpass through the impeller.b. The volute shall be side flanged tangential discharge and capable of rotation in 45 degreeincrements to accommodate piping orientation. The volute shall be designed to permitfront or back impeller removal. Diffusion vanes are not permitted.c. The volute shall be furnished with a large contoured inspection and cleanout openinglocated at the cutwater, to allow access to the impeller. Discharge flange 125 lb. ANSIdrilling.d. The volute shall be designed to permit front or back impeller removal and to permit theremoval of the rotating assembly without disturbing the suction or discharge piping. Thecasing shall be hydrostatically tested to 1.5 times the design head or 1.25 times the shutoffhead whichever is greater.4. Wear Ring and Grit Shielda. Axial-type removable wear ring is to be provided on the impeller for reduction ofrecirculation.b. Wear ring shall be stainless steel.c. Volute shall be fitted with a renewable grit shield to prevent erosion of the volute. Thegrit shield shall be of heat treated 550 650 Brinell 25% chrome iron. The grit shieldshall incorporate intermediate raised sections to break up the rotational patterns of thepumpage.

Bid Related Documents

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Bid Related Attachments

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Amendments

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Product Codes: 72000, 72082, 72064, 72067

Agency Information


Issuing Agency: Sewerage and Water Board of New Orleans

State: Louisiana

Agency Type: State and Local

Contact: 625 St. Joseph Street, Room 133, New Orleans, Louisiana, 70165

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