This Government Contract opportunity from Department Of Defense was posted on August 3, 2010. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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USNS MT WHITNEY SSTG ROTOR REFURBISHMENT

Awarded

N40442-10-T-5063Federal

Submission Closed07/28/2010, 12:00:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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NAICS: 332710

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AI Contract Overview

This contract, solicitation N40442-10-T-5063, tasks a contractor with the comprehensive refurbishment of the USNS MT Whitney ship service generator rotor. The scope of work includes the transportation of the rotor from a Norfolk, Virginia warehouse to the contractor's shop for complete disassembly, cleaning, and inspection. Key technical requirements involve the removal and replacement of collector rings and leads, a wet rewind of field coils using specific manufacturer standards, and vacuum impregnation treatment with Class H insulating varnish. The contractor must also address known shaft run-out and flange perpendicularity issues, with any necessary corrections subject to a change order. Rigorous testing and quality assurance are mandatory, including NDT on the shaft, Megger readings, static impedance tests, and Polarization Index testing. The rotor must undergo dynamic and high-speed balancing, including a 12-hour run at rated speed, to ensure stability. Upon completion, the contractor is responsible for reassembling the unit, crating it for international shipment using certified treated wood, and returning it to the MSC Warehouse in Norfolk. A final comprehensive report in English detailing all findings, tests, and corrective actions must be submitted.

General Info

Contractor will refurbish, test, and return the USNS MT Whitney ship service rotor.

Agency

Department Of Defense → Military Sealift Flt Supp Command Norf

Contract Value

$143,734.2

NAICS

332710 - Machine Shops

Place of Performance

Location/Quantity: Rotor is available for survey at the Military Sealift Fleet Support Command warehouse located in Building LP, NORFOLK, VA, 23511, USA

Set-Aside

NONE

Awardee

LOUIS ALLIS LLC

Award Issued Date

07/28/2010, 12:00:00 AM UTC

Documents

sow

High

specifications

High

specifications

Low

AI Contract Breakdown

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Timeline

4 updates

PhaseAwarded

PostedJul 6

Presolicitation

Notice updatedJul 14

Response deadline changed from Jul 12, 2010 to Jul 23, 2010. The notice description changed.

Notice updatedJul 14

The notice description changed.

Notice updatedJul 14

Response deadline changed from Jul 23, 2010 to Jul 12, 2010. The notice description changed.

Deadline changedJul 14

Response deadline changed from Jul 12, 2010 to Jul 23, 2010.

Type ChangedJul 21

Presolicitation → Solicitation

AwardedJul 28

Contract was awarded

Submission Closed

07/28/2010, 12:00:00 PM UTC

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Organization & Contact Information

AgencyDepartment Of Defense → Military Sealift Flt Supp Command Norf

Contacts2 people available

OfficeNORFOLK, VA, 23511, USA

Organization / AgencyDepartment Of Defense → Military Sealift Flt Supp Command Norf

Office AddressNORFOLK, VA, 23511, USA

Contacts

Melanie A. BarrettContracting Officer

contact@example.gov

+1 (555) 000-0000

Eddrian LoganCONTRACT SPECIALIST

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+1 (555) 000-0000

Full Description

7.0 STATEMENT OF WORK REQUIRED 7.1 Provide all labor, material, equipment, and transportation. Coordinate performance of required inspections with ABS Surveyor and provide certification of work accomplished. 7.2 Remove ship service generator rotor and crate from warehouse to shop. 7.3 Completely disassemble the rotor and thoroughly clean and examine all parts. Protect machined surfaces. 7.4 The rotor was treated with Vacuum impregnation treatment (VPI) at time of reconditioning. It is expected that 70% of the retainer rings and other fasteners will break upon removal. Contractor is to take this into consideration when estimating for retainer rings removal (with necessary removal of broken fasteners, drilling, tapping, provision of new fasteners, and reinstallation of same). 7.5 The following work must be accomplished prior to fabrication and installation of coils. a. Inspect and dimensionally measure shaft, and flanges. It is known that the shaft has a run out exceeding maximum allowance and flange may be out of perpendicularity. b. Perform NDT on shaft flange and journal. c. Submit as found condition report and technical proposal for recommended repairs. d. Correction (If Required) of shaft and flange distortion, shaft finishing, coupling dressing will be subject to issuance of a change order. 7.6 Remove, manufacture and replace collector rings assemblies. 7.7 Manufacture, replace collector leads. 7.8 Completely strip and clean the field coils in accordance with paragraph 6.26.5 of reference 2.1. 7.9 Wet Rewind using new wire of proper size/type and wrapping as specified by the generator manufacturer in reference 2.1 or equivalent. The rotor has been modified to accept an additional two bridges per pole (Total of 18) to preclude the bulging of rotor windings in the future. 7.10 Windings and armature shall be vacuum impregnated (VPI) with Class H thermal capability insulating varnish (DURAGUARD or equivalent) and baked in accordance with IEEE 45 (or equivalent international standard) requirements. Cure according to manufacturer's specifications. 7.11 Take (Megger) reading for insulation resistance and grounds. Record and provide readings. 7.12 Perform Static impedance test / Volt drop test across each field coil. Compare to determine that there are no short turns in any of the field coils. Each reading shall be within 2% of the source voltage. Record and provide readings. 7.13 Perform Polarization Index (PI) test. Minimum PI readings is 2.0. 7.14 Perform Rectifier diode test meg-ohm for complete rotor circuit 7.15 Perform coil resistance test for imbalance between phases 7.16 Dynamically balance the rotor. Final unbalance shall not exceed the manufactur'er's specifications for a new unit or, in the absence of this, the value determined by: 4 x weight of rotor (lbs.) Unbalance (ounce inches) = -------------------------- Max. operating RPM of unit 7.17 Accomplish a High Speed Balance of the rotor. Run the rotor a Rated speed for 12 Hours. Upon the completion of the 12 hour run time accomplish the requirements of Paragraph 7.16 to ensure that the rotor is Dynamically Balanced prior to shipment. Repeat the requirements of this paragraph until the angle and amplitude remains consistant. 7.18 Completely reassemble the rotor. Inspect. Crate for shipment using Certified Treated Wood required for International Shipment. Use of existing shipping container is acceptable as long as it's condition is acceptable for reuse. 7.19 Return rotor to MSC Warehouse located in Building LP-26 on Naval Operations Base, Norfolk Virginia. 7.20 Submit a comprehensive report in English stating condition(s) as found, test(s) performed with relative results, technical recommendations made and corrective action taken and "as released" condition. Technical Manual S9311-BP-MMM-010 is now attached for download if needed. Zip file of pictures is also attached with several shots of each end of the Rotor as well as the sides.