SOW_Sediment_Pumps.pdf

STATEMENT OF WORK

Hydraulics Laboratory Sediment Pumps

1. Introduction – The Hydraulics Laboratory in the Bureau of Reclamation’s Technical Service Center in Denver, Colorado constructs scaled hydraulic models. Due to equipment end of life, the Bureau of Reclamation needs to replace its slurry pumps, motors, and variable frequency drives which are used to pump sediment laden water in physical model testing.

This supply contract includes purchase and delivery of two horizontal slurry pumps with 75-hp 3-phase motors, two variable frequency drives (VFD) with enclosures, required electrical components, associated hardware, and electrical installation.

2. Technical Specifications – The new equipment must have the following characteristics:

CLIN 010 – Horizontal Slurry Pumps with Compatible Motors – Quantity (2):

Pump Name Brand or equal: Metso model MR300 LNR-S C5 or equal Pump Specifications:

a. Design flow of 3,400 gallons per minute (gpm) and design total dynamic head (TDH) of 40 feet.

b. Fluid is sediment laden water (clays, sands, and small gravels) with a gradation size d50 of 0.5-2.0 mm.

c. Maximum allowable passing particle sphere size is 75 mm.

d. The impellers should be elastomer or rubber lined.

Motor Specifications:

a. 75 hp

b. 3-phase 480V, 60 Hz

c. VFD (duty) rated motor

d. Rated speed of 1,750 revolutions per minute (rpm)

e. Totally Enclosed Fan Cooled (TEFC)

CLIN 020 – Variable Frequency Drive (VFD) with Control Panel – Quantity (2):

VFD Name brand or equal: Galt Model G500 (G540-01150UL-03) or equal VFD Specifications:

a. 75 hp

b. 480V

c. Provide VFD with adjustable carrier frequencies and high frequency switching modes from 8 kHz to 16 kHz and allow skipping of resonant frequencies

d. VFDs to include EMC filters with C2/C3 filters

Control Panel Specifications:

a. Panel to house the VFD and associated control equipment

b. Includes a National Electrical Manufacturers Association (NEMA) 1 rated enclosure with blower for cooling

c. Includes an operator panel for control of the VFD

d. Able to mount to a government provided movable frame that is approximately 13 inches in width and 74 inches in height.

CLIN 030 – Electrical components

a. Each motor to be equipped with 10 ft length of appropriate 480V 3 phase wiring within 1 ¼ inch flexible electrical conduit terminated with Meltric DSN150 150A, 480VAC Switch Rated Receptacle & Connector.

b. Each VFD equipped with 15 ft length of appropriate 480V 3 phase wiring within 1 ¼ inch flexible electrical conduit terminated with Meltric DSN150 150A, 480VAC Switch Rated Receptacle & Connector.

c. Cable sizing must conform with NFPA 70.

d. Supply (4) Poly Angle with metal junction boxes with NPT Meltric 715C3N12

(https://meltric.com/media/contentmanager/content/meltric-catalog-dsn150-en.pdf)

CLIN 040 – Installation of Equipment

a. Electrical installation will include mounting each VFD control panel to a government provided movable frames. Installation of Poly Angle and metal junction boxes and Meltric receptacle and wiring on each VFD stand to accept male Meltric connector from motor. Installation of 15 ft electrical wiring from each VFD, with conduit and male Meltric connector for connection from each VFD to the lab 480V power supply outlet. Installation of 10 ft electrical wiring to each motor with conduit, and male Meltric connectors for connections from the motors to the receptacle on the movable VFD frames. Installation of Poly Angle and metal junction boxes and Meltric receptacles and wiring at two lab column service panels. Locations in the Hydraulics Laboratory to be provided by laboratory staff.

b. Electrical installation and start-up must be carried out by a qualified electrician or technician.

3. Deliverables

a. Procure and deliver two horizontal slurry pumps with 75-hp 3-phase motors, two variable frequency drives (VFD) with enclosures, required electrical components, and associated hardware.

b. Provide on-site installation and start-up by a qualified electrician or technician.

c. Government will be responsible for providing moveable frames for the VFDs.

d. Contractor will not be responsible for removing or disposing of existing slurry pumps, motors, and VFDs.

4. Place of Performance Bureau of Reclamation Denver Federal Center (6th Avenue and Kipling Street) Building 56 – Hydraulics Laboratory Denver, CO 80225

5. Period of Performance – Project must be completed 9 months after contract award.

6. Work Hours - On-site testing, calibration and training must occur during normal work hours of Monday through Friday, except federal holidays, 7:30 a.m. to 4:00 p.m.

7. Security - The on-site service location under this contract is within a secured area. The Contracting Officers Representative (COR) shall arrange for Contractor’s entry into such areas and inform Contractor of security procedures. Contractor shall comply with all security procedures. If, in the judgment of Reclamation, any employee fails to meet minimum security requirements or proves to be detrimental to the security of Reclamation’s facilities, the Contractor, upon request, shall remove such employee from any work under this contract.

8. Submittal Requirements -

Quotations must include the following:

1. Product Descriptions

– Technical cut sheets, brochures, and product specs

– Confirmation of compliance with requirements

2. Manufacturer Warranty Terms

3. Lead Time for Delivery & Installation (FOBD)

4. Attached Schedule B

QUOTE EVALUATION

Award will be made to the contractor offering the best value to the government considering technical capability, schedule, and price.

Photos

Figure 1. Nameplate of existing 75 hp motor to be replaced.

Figure 2. Nameplate of existing slurry pump to be replaced.

Figure 3. Photograph of one of the existing pump and motor assemblies to be replaced.

Figure 4. Pump and motor assemblies to be replaced. Notice they sit directly on the concrete floor without a skid plate.

Figure 5. Nameplate of existing VFD to be replaced.

Figure 6. Photograph of existing VFD to be replaced.

8. Submittal Requirements -