140R3026Q0054_SOW_Central_Section_Sump_Pumps.pdf

RFQ No.

140R3026Q0054

Project Title Central Section Sump Pump Replacement

Statement of Work

Replacement Central Section Sump Pumps for Hoover Dam

Background:

Hoover Dam is in need of two replacement HydroFlo Vertical Turbine pumps. Hoover dam currently has 3 locations for these pumps to be installed, two of which require replacement.

Scope:

The scope of this supply is the purchase of 2 sump pump assemblies that are interchangeable, in whole or in part, with the currently installed sump pumps. Interchangeability of the pumps is essential to ease of maintenance of the entire sump pumps system and eliminates the need to maintain larger stock of wear parts while also removing the risk of incorrect part installation during maintenance. These two pumps will be installed by government personnel.

Requirements:

The contractor shall supply 2 pump assemblies with the following characteristics (reference Hydroflo drawing number 36-346-16HH01WF-SBM as previously purchased by Hoover Dam, also may reference HydroFlo serial number TX36346-2 or TX36346-1):

• 16HH Single stage vertical turbine pump assembly

• 1.5” Head shaft assembly, 416 stainless steel, with 10TPI, Left Hand, bronze adjusting nut and key

• Coated steel motor stand; 16” 150# Flat Face Discharge Flange connection and separate base plate

• ~630” of 16” oil lube/water flush column assembly with 2.5”-12LH x 1.5” shaft water flush tube and shaft assembly; connections of column sections to be 16” 150# Flat Face flanges

• Underground style discharge

• 16HH oil lube/water flush bowl assembly with bell suction and flanged to discharge column

• External oil lube line for bowl assembly feed oil

• 304 stainless steel bolt on basket strainer

• All steel components coated with Tnemec N140, dry film thickness 6-8 mils

• 16HH impeller, impeller and collet made from 316 stainless steel

• 2300 V, 3 phase, 60 Hz, 150 HP, 1800 RPM 4 pole, continuous duty motor with

Wye-Delta start function and 447TPA frame size

Pump rated performance as follows:

• Flow: 5000 GPM (US)

• Head: 60 ft

• NPSHr: 18.6 ft max

Project Title Central Section Sump Pump

Submittals:

Contractor shall submit for Review/Approval the following documents:

1. General Pump Arrangement/Specifications Drawing

2. Pump datasheet with performance curves

3. Motor nameplate datasheet with motor performance data

4. Motor dimensions drawing

5. Coatings material datasheet

Submittal Requirements

1. Reclamation will have 14 calendar days to review each submittal.

2. Submittal documents shall include Purchase Order number and title, and submittal number and title.

3. The Contractor shall furnish all submittals to the COR electronically. Names and emails will be provided after award. Hard copies of drawings shall be submitted to the COR.

4. Reclamation will provide an electronic response to the Contractor for each submittal.

Submittals required for approval or acceptance will be returned either “approved” or “accepted” or “approved, subject to identified changes” or “accepted, subject to identified changes” or “not approved” or “not accepted”. Submittals not approved or accepted shall be revised and resubmitted. Any resubmittal will require another 14 calendar days of Reclamation review time.

5. All costs of furnishing the submittals shall be at the Contractor’s expense and shall be included in the quote.

Delivery:

Contractor shall provide the following for Shipping, Storage, & Protection:

1. Comply with manufacturer's installation instructions for rigging, unloading, and transporting units. Unit shall be stored and handled per manufacturer’s instructions.

2. Protect units from physical damage.

3. Shipped to:

Hoover Dam Central Warehouse Hwy 93 / St. Rte. 172 Boulder City, NV 89005

4. FOB Destination

Contractor shall submit for reference the following documents:

1. Equipment operation and maintenance manuals; provided with each assembly including instruction leaflets and instruction bulletins for the complete assembly and each major component

2. Overhaul/refresh parts and materials list for both motor and pump

3. Motor wiring diagram

Project Title Central Section Sump Pump

4. Equipment lubrication recommendations and specifications

Contractor shall deliver 2 pump assemblies with motors and discharge columns to the Hoover Dam central Warehouse within 9 months of contract award. Contractor shall coordinate delivery with the COR.