Statement of Work.pdf

STATEMENT OF WORK

REPAIR AND RECONDITION HIGH TEMPERATURE HOT WATER

DISTRIBUTION PUMP

1. SUMMARY OF WORK:

The contractor shall provide all labor, equipment and materials to repair and recondition, the 12” End-Suction Centrifugal Type pump used on the distribution system of high temperature, high pressure hot water. It is manufactured by Goulds Pumps.

2. Characteristics:

2.1 Pump:

2.1.1 Manufacturer: Goulds Pumps

2.1.2 Model: 3700 L

2.1.3 Size: 6x8-16B/N

2.1.4 Type: End-Suction Centrifugal

2.1.5 Number of Stages: 1

3. Execution:

3.1 The Contractor shall recondition pump, install new seal, and replace any parts required to get pump back to proper operating condition. Shipping costs back to

Malmstrom AFB will be included in the price quote.

4. Work Scope:

4.1 Qualification:

4.1.1 Work shall be performed by an ITT Goulds Pumps IPD (Industrial Pump

Division) certified agent of industrial products for pumps, parts and repair for the industrial market.

4.2 Repair:

4.2.1 Pump Case:

4.2.1.1 Weld Repair/Build-up of fits (weld pads, etc.) or casing flaws if required

4.2.1.2 Machine fits if required to achieve minimum manufacturer recommended clearances

4.2.1.3 Skim-cut & Spiral-cut flange face surfaces, suction & discharge

4.2.1.4 Verify proper gasket “crush” dimensions

4.2.1.5 Clean and de-burr all sharp edges

4.2.1.6 Prep for final assembly

4.2.2 Pump Cover:

4.2.2.1 Weld Repair/Build-up of fits (weld pads, etc.) or casing flaws if required

4.2.2.2 Machine faces/fits as required to achieve proper clearances and geometric alignments

4.2.2.3 Skim-cut gasket surface/s

4.2.2.4 Spiral-cut gasket surface/s

4.2.2.5 Verify proper gasket “crush” dimensions

4.2.2.6 Eliminate cooling jacket plate cover

4.2.2.7 Clean and de-burr all sharp edges

4.2.2.8 Prep for final assembly

4.2.3 Case & Cover Wear Rings and Throat Bushing:

4.2.3.1 Manufacture new PFA/Carbon Fiber Reinforced Composite case & cover wear rings and throat bushing

4.2.3.2 Parts to be designed and manufactured per material manufacturer recommendations and industry experience

4.2.3.3 Inspection of finished parts and work performed.

4.2.4 Shaft:

4.2.4.1 Replace old shaft with new Grade 410 SS (UNS S41000) shaft

4.2.4.2 Redesign to eliminate shaft sleeve, replaceable threaded stud, and utilize new style Goulds 3700 locking impeller nut

4.2.4.3 Prep for final assembly

4.2.5 Impeller:

4.2.5.1 Tack weld or set screw all impeller wear rings in three places if needed

4.2.5.2 Balance to ISO G1.0

4.2.5.3 Final Inspect of impeller and work preformed

4.2.5.4 Prep for final assembly

4.2.6 Rotating Assembly:

4.2.6.1 Skim-cut impellor wear rings

4.2.6.2 Final finish OD’s to proper surface finish

4.2.6.3 Ensure proper TIR (Total Indicated Run-Out) of impeller wear ring OD’s and sleeve OD/s to 0.001” +/- 0.001”

4.2.7 Bearing Housing::

4.2.7.1 Clean bearing housing

4.2.7.2. Inspect machine fits for proper dimensions and for defects

4.2.7.3 Minor Weld Repair/Build-up of fits (weld, pads, etc.) or casing flaws if required

4.2.7.4 Machine fits if required to achieve minimum manufacturer recommended clearances

4.2.7.5 Notch bearing housing adapter for piping access to mechanical seal gland at

12:00 and 9:00 positions

4.2.7.6 Clean and de-burr all sharp edges

4.2.7.7 Inspect

4.2.7.8 Prep for final assembly

4.2.8 Seal Flush:

4.2.8.1 End-User personnel to install Plan 23 Seal Flush to ensure adequate cooling of mechanical seal

4.2.9 Closed System Lubrication:

4.2.9.1 Install ISOMAG magnetic bearing isolators

4.2.9.2 Install Oil-Rite milled aluminum level gauge with dial thermometer and

Viton seals

4.2.9.3 Install desiccant breather or expansion chamber

4.2.9.4 Package loose parts to be shipped with pump

4.2.9.5 Plug any openings

4.2.10 Pump Seal

4.2.9.1 Install PPC HB1L Single Cartridge Mechanical Seal with pumping ring or equivalent

4.2.9.2 Orientate gland ports in proper positions for Plan 23 tubing/piping installation by End-User personnel

4.2.11 Final Assembly:

4.2.11.1 Install case wear ring into pump case

4.2.11.2 Install cover wear ring into pump cover

4.2.11.3 Install stuffing box bushing into pump cover

4.2.11.4 Orientate stuffing box chamber vent in Top Vertical (12:00) position

4.2.11.5 Record final clearances

4.2.11.6 Record final run-outs

4.2.11.7 Install mechanical seal

4.2.11.8 Final Inspect of all installations and work preformed

4.2.11.9 Air test complete unit

4.2.11.10 Paint with high temperature silver paint

4.2.11.11 Install new parts required to recondition pump

4.2.11.12 All parts must be OEM (refer to 7. Parts List) No substitutions without approval.

4.3 Delivery to Malmstrom AFB Heating Plant

4.3.1. Prior to shipping remove gauge, breather and external tubing

4.3.2. Package loose parts to be shipped with pump

4.3.3. Plug any openings

4.3.4. Verify mechanical seal spacers are installed

4.3.5. Mount pump to provided shipping stand

4.3.6. Plastic wrap palletized pump

4.3.7. Detailed final work scope report listing all tasks performed on the pump

4.3.8. Mechanical seal drawing

4.3.9. Spare parts list for all new parts

4.3.10. As built running clearances

4.3.11. Air test results on assembled pump

4.3.12. Dynamic balance report on impeller

4.3.13. Ship to Malmstrom AFB Heating Plant tagged with contract number

5. Government Responsibilities:

5.1 Government shall be responsible for shipment of pump to the contractor

5.2 Government shall be responsible for installation of pump

5.3 All plumbing and auxiliary equipment necessary to install the pump to manufacturer recommendations

6. Period of Performance:

6.1 Period of performance will be 60 days from contract award

7. Parts List

Item # P/N Description Material OEM Qty.

112 R8057 3 1329 BRG, BALL SET MRC-7313PDU SKF 1

114 A0017A13 1102 OIL RING Goulds 2

122 RD271B970 2255 SHAFT, SLEEVELESS DESIGN, THREADED STUD

Grade 410 SS (UNS

S41000) Cogent, Inc. 1

123 64 ISOMAG Bearing Isolator – Outboard - Duplicate Bronze ISOMAG 1

124 65 ISOMAG Bearing Isolator – Inboard – Duplicate Bronze ISOMAG 1

125 B00129A07 6281 PFA/Carbon Fiber Reinforced Composite Throat Bushing PFA/Carbon Fiber

Reinforced Composite Cogent, Inc. 1

126 DELETE SLEEVE, SHAFT – DELETE N/A N/A N/A

136 8601-0013 LOCKNUT, BRG MRC N-13 SKF 1

168 8050-21460 BEARING, BALL MRC 214-S SKF 1

178 49568 308 2229 KEY, SQUARE END 316SS Goulds 1

198 DELETE SCREW, IMPELLER - DELETE N/A N/A N/A

198A 49514 206 2229 SCREW,SCKT SET 1/4"-20 X 1/2"L 316SS Goulds 1

199 DELETE WASHER, IMP - DELETE N/A N/A N/A

304 RB00002K032445 NUT,IMPELLER

NITRONIC 60 COND

A Goulds 1

202 C00288A94 6281 PFA/Carbon Fiber Reinforced Composite Case Wear Ring

PFA/Carbon Fiber Reinforced Composite

Cogent, Inc. 1

203 C00288A94 6281 PFA/Carbon Fiber Reinforced Composite Cover Wear Ring

PFA/Carbon Fiber Reinforced Composite

Cogent, Inc. 1

211 70782 133 5131 GASKET, SHAFT SLEEVE (.031 THK) NON-ASBESTOS Goulds 1

248 0800208A02 1001 OIL THROWER Goulds 1

351 A00947A05 GASKET, CASING (FLEXITALLIC) Goulds 1

360 A00046A02 5130 GASKET VELLUMOID Goulds 1

382 8910-0013 LOCKSWHR, BRG SKF W13 SKF 1

412 70721 397 O-RING BUNA-N Goulds 1

360U 68335 106 5132 GASKET NON-ASBESTOS Goulds 1

412M C02495A2755304 O-RG AS568-275 VITON Goulds 1

383 EagleBurgmann H75 Cartridge, SiC vs C, 316SS, Aflas, Pumping Ring or equivalent

Eagle

Burgmann

N/A B3540-20300VN2W

Oil-Rite milled aluminum level gauge with dial thermometer and Viton seals Oil-Rite 1

N/A 39108 Trico Desiccant Breather Trico 1