0507_A_SSDG_TURBOCHARGER_OVERHAUL_Amend_1.docx

USNS ARCTIC

T-AOE 8

MACHINERY, AUXILIARY N32205-18-R-4256

28 September 2016

ITEM NO. 507 CATEGORY “A” MSC/N756/JEB

SSDG TURBOCHARGER OVERHAUL_Amend 1

1.0 ABSTRACT:

1.1. This item describes the requirement to overhaul two Ship’s Service Diesel Generator Engines (SSDG) Exhaust Gas Turbocharger.

2.0 REFERENCES/ENCLOSURES:

2.1. ZTL 2613, ABB, Model VTC 254-13 Gas Turbochargers Technical Manual

3.0 LOCATION / DESCRIPTION:

3.1. Location:

3.1.1. Onboard USNS Arctic

3.2. Quantity: Two (2) each, Turbochargers. APL 053990066

3.3. Description:

3.3.1. Manufacturer’s Data:

3.3.2. Mfg. Asea Brown-Boveri (ABB).

3.3.3. Model: VTR 254 14Series.

3.3.4. Caterpillar Part Number: CAT 9Y6101.

4.0 GOVERNMENT FURNISHED EQUIPMENT/ MATERIAL/SERVICES:

4.1 Government Furnished Equipment: None Additional.

5.0 NOTES

5.1. The contractor and all subcontractors, regardless of tier, must consult the General Technical Requirements to determine applicability to this Work Item. In performance of this Work Item, the contractor and all subcontractors, regardless of tier, must comply with the requirements of all applicable GTR’s, including but not limited to, GTR’s 1 through 7 and 24.

5.2. The contractor and all subcontractors, regardless of tier, are advised to review the other Work Items under this contract to determine their effect on the work required under this Work Item. Many of the definitions relating to the performance of this Work Item are found in Work Item 001.

6.0 QUALITY ASSURANCE REQUIREMENTS: None Additional.

7.0 STATEMENT OF WORK REQUIRED:

7.1. Convey each turbocharger from ship to approved contractor shop for overhaul.

7.2. Transport each turbocharger and their associated components to contractors authorized OEM or Caterpillar repair facility. Prepare, package, crate or palletize each turbocharger and components prior to shipment/transport to repair facility.

7.3. Restore each Turbocharger to full OEM factory operating specifications. Accomplish an overhaul to each Turbocharger listed in section 3.0, in accordance with established procedures and recommendations, using references listed in section 2.0 as guidance. All parts associated with accomplishment of a standard overhaul shall be included in bid price.

7.3.1. Contractor shall employ the services of the authorized repair facility to accomplish overhaul work to each Turbocharger.

7.3.2. CHECKPOINT: Disassemble, clean, and lay-out for inspection Turbocharger parts and components. MSCREP or local ABS Surveyor shall inspect. Submit “as-found” condition report.

a. Additional repairs and parts renewals outside of Class-B overhaul, will be the subject of a separate RFP change order.

b. CHECKPOINT: Dynamically balance and align rotors. MSCREP or local ABS Surveyor shall witness. Submit condition report to MSCREP.

7.3.3. Reassemble Turbochargers upon completion of all repairs, inspections, and testing.

7.3.4. The authorized repair facility shall prepare, package, and crate each turbocharger and components to protect each unit for shipment back to ship and storage aboard for upt o three years.

7.4. Preparation of Drawings:

7.4.1. Submit “as-released” report documenting overhaul of Turbocharger to MSCREP Report shall detail the following:

a. Open and inspect results.

b. Inspection and testing completed.

c. Description of all repairs accomplished.

d. List of parts replaced.

7.5. Manufacturer’s Representative and Facility:

7.5.1. Provide the services of an ABB or Caterpillar Turbocharger repair facility to perform Turbocharger overhauls and repair requirements specified in this work item.

8.0 GENERAL REQUIREMENTS: None additional.

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