SHERMAN_FY15__MDE_REALIGNMENT_SADDLE_REV1.pdf

SNN_NNN_23300_JAH_0815_378W

WORK ITEM 1: MAIN ENGINE LIFTING AND REALIGNMENT FINAL

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to lift and realign the engine block of the designated main engine to the reduction gear.

1.2 Government-furnished property.

MTI ITEM DESCRIPTION NSN/PN QTY ESTIMATED

COST

($/UNIT)

N Alignment Quill Shaft Custom Fabricated 1 ea.

N Quill shaft bore blank covers Custom Fabricated 2 ea.

2. REFERENCES

COAST GUARD DRAWINGS

(1) Coast Guard Drawing 378-FRAM-W 182-2, Rev -, Main Propulsion Fdns Plan & Elevations

(2) Coast Guard Drawing 378-FRAM-W 182-5, Rev B, Blts, Chcks Prpln Dsl, Gas Turb & Red

Gr Arr & L/M

COAST GUARD PUBLICATIONS

Coast Guard Technical Publication (TP) 3254A, Manufacturers Instruction Book, SWBS

Group(s) 233

Coast Guard Technical Publication (TP) 3254B, Manufacturers Instruction Book, SWBS

Group(s) 233

Coast Guard Technical Publication (TP) 3257, Manufacturers Instruction Book, SWBS Group(s)

241-242

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2014, General Requirements

Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2014, Welding and Allied Processes

Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2014, Requirements for Preservation of Ship Structures

OTHER REFERENCES

The Society for Protective Coatings (SSPC) Surface Preparation Specification No.1 (SSPC-SP 1), 2004, Solvent Cleaning

The Society for Protective Coatings (SSPC) Surface Preparation Specification No.3 (SSPC-SP 3), 2004, Power Tool Cleaning

3. REQUIREMENTS

3.1 General.

3.1.1 CIR.

Not Applicable.

3.1.2 Technical Representative. The Contractor shall provide the services of qualified Tech Reps to oversee engine alignment and engine disassembly.

3.1.2.1 Engine Tech Rep. The Contractor shall provide the services of qualified Tech Rep, who is familiar with the Main Diesel Engines, to accomplish the following tasks – on site:

Provide manufacturer's proprietary information, software, and tools pertinent to the equipment/system.

Assist with proper repair methods, and ensure compliance with manufacturer's procedures and standards during disassembly, inspection, repair, modification, calibration, and reassembly of the equipment/system.

3.1.2.1.1 The Contractor shall ensure that the Tech Rep is a certified representative of Fairbanks-Morse.

The technical representative will provide services as described in paragraph 3.6 below.

3.1.2.1.2 The Contractor shall submit the name of the Tech Rep to the COR at the Arrival Conference

3.1.2.2 Alignment Tech Rep. The Contractor shall provide the services of qualified Tech Rep, who is familiar with the alignment of major equipment, to accomplish the following tasks – on site:

Provide manufacturer's proprietary information, software, and tools pertinent to the equipment/system.

Assist with proper repair methods, and ensure compliance with manufacturer's procedures and standards during disassembly, inspection, repair, modification, calibration, and reassembly of the equipment/system.

3.1.2.2.1 The Contractor shall ensure that the Tech Rep is qualified in the alignment of major equipment.

The technical representative will provide services as described in paragraph 3.6 below.

3.1.2.2.2 The Contractor shall submit the name of the Tech Rep to the COR at the Arrival Conference

3.1.3 Protective measures. The Contractor shall furnish and install suitable covering to seal off and protect all non-affected surfaces/equipment and spaces in the vicinity of the work area against contamination during the performance of work. Upon completion of work, remove protective material and inspect for the presence of contamination. Clean all equipment and spaces, contaminated due to improper protection, to original condition of cleanliness.

3.1.4 Interferences. The Contractor shall handle all interferences in accordance with SFLC Std Spec

0000, paragraph 3.3.5 (Interferences). Known interferences include, but are not limited to the items listed in Section 3.4.

3.2 Background Data.

The contractor shall lift the engine using jacking pads and jacks only raising the engine far enough to remove the existing chockfast, fill in the fitted foundation bolt holes, realign the engine and install new chockfast, release jacking bolts, torque the engine down and recheck the alignment. Use of overhead padeyes will not be required. The oil will remain in the engine sump during lifting of the engine (but will be drained from exterior piping as required by the Coast Guard).

The Coast Guard will drain the jacket water and raw water from the engine and disconnect and reconnect engine air supply and exhaust ducting as required to allow jacking of the engine. The Diesel Quill shaft is already removed, and the Coast Guard will remove any covers installed for protection of the system.

The contractor must remove several remaining piping connections on the engine and cap them. The contractor will also be responsible for removing interferences in way of lifting the engine and realigning the engine to the reduction gear.

3.3 Equipment Wipe Down. The contractor shall perform the following work:

3.3.1 Before removing the quill shaft from the reduction gear, wipe down of all equipment and structure in the vicinity of the reduction gear openings to help prevent contamination.

3.4 Interferences. The contractor shall perform the following work:

3.4.1 The Contractor shall remove, modify, or protect all interferences to the work. All interferences that are removed shall be tagged to facilitate proper reinstallation. Ensure that all removed equipment is kept in a clean, dry, protected location. Obtain verification from the Coast Guard Inspector for the protective measures taken for equipment not removed. Any interference (including MDE components and piping) removed or protected during the course of this work shall be reinstalled and returned to its original condition in accordance with the General Requirements. All items, except structural members, shall be tested jointly by the Contractor and CG Inspector before removal and after reinstallation. In the presence of the Coast Guard Inspector, inspect and test all equipment and systems that will be disturbed during the performance of this work to document their original condition. Submit a Condition Found Report for all such equipment and systems noting any existing (pre-work) discrepancies in their operation.

3.4.2 Specific Interferences to Be Removed. The interferences listed below are most of the major interferences that must be removed by the contractor. The list is not intended to be totally inclusive and the contractor is responsible as noted in the paragraph above to remove any additional interferences in way of the work being performed.

3.4.2.1 Miscellaneous Deck Plates and Framing. No additional removals required.

3.4.2.1.1 Coast Guard personnel have already disconnected and removed deck plating and framing located on the deck above the No. 1 Main Diesel Engine. The deck plating framing is bolted in place above the engine. Match mark all pieces to aid in reassembly and transport the pieces to a locations out of the way of all work required by the contract and the Coast Guard (which may include being removed off the ship).

3.4.2.1.2 DELETED

3.4.2.2 Exhaust Piping Located in the Overhead Above the No. 1 Main Diesel Engine

3.4.2.2.1 The engine block will only be required to be lifted approximately 6 inches to allow access to remove the existing chockfast and welding of the foundation. Removal of exhaust ducting above the engine will not be required. If it is, the Coast Guard will accomplish it.

3.4.2.3 DELETED

3.4.2.4 DELETED

3.4.2.4.1 DELETED

3.5 Lifting Points. The engine will be lifted using jacking screws and pancake jacks. No lifting padeyes will be required.

3.6 Technical Representative.

3.6.1 The Contractor shall provide the services of an Alignment Specialist and also a Fairbanks Morse

Authorized Representative as required by this specification.

3.7 General Information Concerning Main Engine Mounting And Alignment.

3.7.1 The engine is held in place using chock fast and fitted bolts as described in CG Dwg 378 FRAM W

182-2 and CG Dwg 378 FRAM W 182-5.

3.8 Main Engine Repairs. The contractor shall perform the following work:

3.8.1 Perform the following work using the references, alignment specialist and reduction gear specialist as a guide.

3.8.2 Not Used.

3.8.3 Before breaking any bolts or chockfast , using laser or optical alignment equipment and an alignment specialist, measure and record the initial alignment of the reduction gear to the main engine.

Take alignment readings in the presence of the Technical Representative and the Coast Guard Inspector.

The Coast Guard will provide an “Alignment Quill Shaft” to assist with the alignment, which shall be used when performing alignment checks. Provide a CFR to the Coast Guard Inspector.

3.8.4 Measure and record the distance between the aft end of the foundation of the diesel engine and the forward end of the foundation of the reduction gear to ensure that the engine is relocated correctly in the fore and aft direction.

NOTE

Engine alignment is to be checked between the hours of 2400 and 0700 to ensure that the foundations have not been affected by temperature gradients caused by uneven heating of the cutter from the sun.

NOTE

Take extreme precautions during the work listed below to ensure that no contaminants are allowed to enter the reduction gear housing.

3.8.5 After initial alignment readings, install gasketed covers on openings to the reduction gears to ensure no contamination enters the reduction gears. SF will provide a set of 2 quill bore blanks.

3.9 Main Engine Lifting. The contractor shall perform the following work:

3.9.1 DELETED

3.9.2 Install the engine block jacking bolts. Chase the threads on each of the jacking (lifting) screw locations on the engine. Contractor shall fabricate six (6) 7/8 x 9NC 8 inch long all thread bolts (as per ref DWG 2). The engine has six (6) jacking screw locations in addition to the alignment blocks.

Alignment blocks shall be installed IAW 3.10.3 of this specification.

3.9.3 Remove the engine foundation mounting bolts. Match mark all bolts for later reinstallation in their original locations.

3.9.3.1 Clean and dye penetrant test each bolt. Look for any evidence of cracking and verify that bolts are good for reuse.

3.9.4 Rig the engine and jack the engine as required to remove the existing chockfast and plug weld the existing fitted foundation bolt holes.

3.10 Foundation Preparation. The contractor shall perform the following work prior to lowering the engine. As noted in CG Dwg 378 FRAM W 182-5, the main engine is on a chockfast (resin) base.

3.10.1 Remove the existing chockfast.

3.10.2 Solvent clean the entire engine foundation using emulsion or alkaline cleaners in accordance with

SSPC-SP 1, to remove all oil, grease, dirt, debris, chemicals, and rust to provide a good clean surface.

Contractor shall be responsible for catching and disposal of all chemicals.

3.10.3 In accordance with CG Dwg 378 FRAM W 182-5, fabricate and install eight (8) crash blocks to be utilized as alignment blocks. Fabricate the new alignment blocks in accordance with Detail 4G from

CG Dwg 378 FRAM W 182-5. Drill and tap one bolt hole in each alignment block for a 5/8" 18 NF 6" all thread bolt. Hole shall be centered and be 3 3/8" from bottom of base. Blocks shall be welded at key locations for alignment in accordance with CG Dwg 378 FRAM W 182-5.

3.10.3.1 On 4 blocks, machine a 1/8” per foot taper on the face and provide wedges (piece 7) in accordance with Detail 5G and 6G.

3.10.3.2 The engine already has four (4) crash blocks installed on the engine. As needed, remove the crash blocks and install alignment blocks to prevent hindering the realignment of the engine. Clean up and provide new bolts as required to complete the alignment.

3.10.4 Plug weld the four (4) existing fitted bolt holes in the engine foundation using authorized OEM procedures.

3.10.5 Touch up damaged areas of paint on each foundation with one coat of epoxy paint to match the existing paint system in accordance with SFLC Std Spec 6310.

3.11 Main Engine Realignment. The contractor shall perform the following work at the direction of the contractor supplied alignment specialist. The Reduction Gear Specialist will observe the work.

3.11.1 Using a laser alignment tool and in the presence of the Reduction Gear Specialist, align the engine to the criteria listed below:

TABLE 1 – ENGINE TO REDUCTION GEAR ALIGNMENT LOCATION

DIESEL ENGINE LOCATION

Align Main Diesel Engine above Diesel Pinion Gear

Shaft Center, 0.012 inch

+ 0.012 inch

Align Main Diesel Engine inboard of Diesel Pinion

Gear Shaft Center 0.005 inch

Inboard 0.005 inch

TABLE 2 – ENGINE TO REDUCTION GEAR ALIGNMENT TOLERANCE

Angular Off-set

0.0001 inch per inch across the 44 inch diameter of the flywheel

Parallel Face

0.020 inch

3.11.1.1 DELETED

3.11.2 Measure and record the alignment data for the main engine. Alignment will be witnessed by the

FM Tech Rep and the Coast Guard Inspector.

3.11.2.1 Ship’s force shall conduct crank web deflections and make sure it is within allowable tolerances.

3.11.3 Ream out the four (4) plug welded bolt holes in engine foundations and Fabricate and install new body bound foundation bolts for the engine. Materials and body bound bolt fits are listed in CG Dwg 378

FRAM W 182-5.

3.11.3.1 The contractor shall fabricate four (4) new bolts.

3.11.3.2 Ream holes and machine matching bolts to the smallest size specified acceptable in the drawing.

NOTE:

KTR shall not proceed to final alignment under this Work Item without first completing the upper crank line repairs under Work Item 2

NOTE

The following work must be completed with normal operating levels of fuel, water and ballast.

The number of fitted bolts listed in the technical manual has been changed from eight (8) to four

(4). Four (4) fitted bolts will be used (two on each side of the aft end of the engine) to hold the engine in place. The other bolts will not be fitted bolts.

To ensure that the forward end of the engine is unable to move excessively side to side, the forward horizontal alignment blocks shall have wedges installed with a clearance of 0.004” +/- 0.001”, effectively restricting lateral movement. The forward crash blocks shall be left with a 0.025” +/-

0.005” clearance to allow for thermal expansion of the engine in the forward direction, while still working as crash blocks.

3.11.3.3 Ream four (4) new holes for the four (4) new foundation bolts being fabricated. The reaming shall not be done by hand. A jig and appropriate drill and bits shall be provided and used by a contractor supplied competent outside machinist.

3.11.3.4 Install fitted bolts in the prescience of the Coast Guard Inspector. Ensure that the bolts fit IAW

CG Dwg 378 FRAM W 182-5 and are true in the holes and the heads sit flush on the frame rail with no movement.

3.11.3.5 Prior to installing the remaining non-fitted bolts, measure the hole diameter for each bolt.

Verify that the hole diameter is no larger than 1/16 inch greater than the bolt diameter.

3.11.3.6 Install all remaining foundation bolts. Use caulking around bolt threads to contain chock-fast.

3.11.3.6 Re-check engine alignment and verify that alignment has not changed..

3.11.4 Pour new chockfast resin for new mounts as described in CG Dwg 378 FRAM W 182-5. Each chalkfast “pad” will contain one (1) bolt with a gap of approximately one inch between each pad. Ensure proper protection for each bolt hole is provided to assist with bolt installation. The cure time for

Chockfast Orange may be up to 48 hours based on temperatures in the engine room. The contractor shall follow all manufacturer recommended cure times.

3.11.4.1 Provide and install surface contact thermometers on the engine block and foundation to assist in determining cure times for Chockfast Resin. Install a hanging thermometer in the vicinity of the engine block.

3.11.4.2 Measure and record engine block and foundation surface temperatures and area temperature at the beginning of the chockfast pour and every eight (8) hours until the chockfast has cured.

3.11.4.3 Allow the chockfast resin sufficient time to properly cure before proceeding with any additional work.

3.11.4.4 Provide a condition found report noting temperatures and cure times to the Coast Guard

Inspector.

3.11.5 Torque all foundation bolts.

3.11.5.1 Prior to torquing the engine foundation bolts, install dial indicators at each corner of the engine and in the center of the engine block and along the outboard corners of the engine block. Set the dial indicators and verify if there is any movement of the engine block in any direction when the foundation bolts are tightened. A total of ten (10) dial indicators will be needed.

3.11.5.2 Torque foundation bolts to 250 ft/lbs using the following procedure and new nylock nuts:

3.11.5.2.1 Start the tightening at the center of the block. Torque to 80 lb.ft, starting at the center working evenly forward and aft, inboard and outboard

3.11.5.2.2 Repeat the same procedure with 150 lb.ft.

NOTE

The cure time for Chockfast Orange may be up to 48 hours based on temperatures in the engine room. The contractor shall follow all manufacturer recommended cure times.

3.11.5.2.3 Repeat the procedure and finish with 250 lb.ft.

3.11.6 Allow the engine to sit for 24 hours and re-torque the foundation bolts.

3.11.7 Measure the final alignment of the diesel engine to the reduction gear. Record the data. Final alignment checks will be conducted between the hours of 2400 and 0700 to ensure that the foundations have not been affected by temperature gradients caused by uneven heating of the cutter from the sun.

Alignment checks shall be witnessed by the Coast Guard Inspector and the FM Technical Representative.

Submit a condition found report containing the final alignment readings.

3.11.8 Before proceeding any further, CG rep shall conduct and record crank web deflection readings.

3.12 Reduction Gear Reassembly. The Coast Guard will reassemble the quill shaft and clutch assembly.

3.13 DELETED

3.13.1 DELETED

3.13.2 DELETED

3.14 Touch-up preservation. The Contractor shall prepare and touch-up coat all disturbed surfaces to match existing adjacent surfaces in accordance with COMDTINST M10360.3, Appendix B (Cutter and

Boat Interior Painting Systems). Abide by all touch-up requirements outlined in SFLC Std Spec 0000, Appendix A (Requirements for Preservation of Ship Structures).

3.14.1 Restore all interferences in accordance with SFLC Std Spec 0000.

4. NOTES

This section is not applicable to this work item.

SYY_NNN_23300_JAH_0815_720

WORK ITEM 2: Main Diesel Engine, Thrust Bearing Repairs

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to make the repairs specified below on the No. 1 Main Diesel Engine.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

None

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2014, General Requirements

Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2014, Welding and Allied Processes

Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2014, Requirements for Preservation of Ship Structures

Naval Sea Systems Command (NAVSEA) S9233-DP-HBK-010, Fairbanks Morse 38 1/8 Series;

Main Bearing Bore, Block Repair and Crankshaft Inspection Handbook

OTHER REFERENCES

The Society for Protective Coatings (SSPC) Surface Preparation Specification No.1 (SSPC-SP 1), 2004, Solvent Cleaning

The Society for Protective Coatings (SSPC) Surface Preparation Specification No.3 (SSPC-SP 3), 2004, Power Tool Cleaning

3. REQUIREMENTS

3.1 General.

3.1.1 CIR.

None.

3.1.2 Tech Rep. The Contractor shall provide the services of an OEM authorized/ licensed Tech Rep for the Main Diesel Engines (Fairbanks-Morse Tech Rep) to accomplish the following on site:

Provide manufacturer's proprietary system/ equipment information, software, and tools.

Assist with and ensure compliance with manufacturer's procedures and standards during disassembly, inspection, repair, modification, calibration, and reassembly of the equipment/system.

3.1.2.1 Ensure the Tech Rep is an OEM Certified Representative for the system/equipment stated above.

Ensure that the technical representative has prior experiences with the type of engine block repairs specified in this work item.

3.1.2.2 Submit the name and technical background of the Tech Rep to the COR at the Arrival

Conference. Provide documentation of the Tech Rep’s familiarity with the engine block repairs described in this work item.

3.1.2.3 In addition to the services of a Fairbanks-Morse Technical representative, the contractor shall supply the services of certified welders and of a machining services company to perform weld repairs to the bearing saddle and to machine the saddle upon completion of weld repairs. Both the welders and the machining services company shall be approved by Fairbanks-Morse to perform the described repairs.

3.1.2.4 POC for Fairbanks-Morse is Keith Stowers (608) 481-0982. Keith.Stowers@Fairbanks-

Morse.com

3.1.2.5 The Fairbanks-Morse Technical representative is also being used to assist in re-alignment of the

MDE, a separate item in this specification package. Assign charges for the Fairbanks-Morse Technical

Representative to that item.

3.1.3 Protective measures. The Contractor shall furnish and install all protective coverings to seal off and protect all non-affected vessel's components, equipment, and spaces near the work area against contamination during the performance of work. Upon completion of work, the Contractor shall remove all installed protective measures, inspect for the presence of contamination, and return all contaminated equipment, components, and spaces to original condition of cleanliness.

3.1.4 Interferences. The Contractor shall handle all interferences in accordance with SFLC Std Spec

0000, paragraph 3.3.5 (Interferences). Known interferences include, but are not limited to the below-listed:

MDE Equipment.

On-going engine repairs.

3.2 General information. During a routine scheduled Center Section Overhaul (CSO) of the No. 1 Main

Diesel Engine (MDE) Coast Guard technicians discovered a toe-in of approximately 0.003 inch to 0.004 inch on the No. 13 Bearing saddle. The intent of this specification is to repair the damage in place.

The No. 13 upper bearing saddle must be welded and machined to conform to factory standard sizing. A new bearing cap must be supplied and must be machined to fit the bearing cap.

The Coast Guard is in the process of performing a CSO on the No. 1 MDE. Repairs to the bearing cap shall be performed during the overhaul of the engine. The Coast Guard shall stop work as required to allow the contractor to perform the repairs:

mailto:Keith.Stowers@Fairbanks-Morse.com mailto:Keith.Stowers@Fairbanks-Morse.com mailto:Keith.Stowers@Fairbanks-Morse.com

3.3 Technical representatives and technical services. The contractor shall provide the services of FM approved companies as described below and in Paragraph 3.1.2 to perform the work in this specification item.

3.3.1 The contractor shall provide the services of a Fairbanks-Morse representative to oversee repairs to the bearing saddle and bearing cap. The Tech Rep shall observe the work and provide guidance on machining work to be accomplished.

3.3.2 The contractor shall provide the services of welders approved by Fairbanks-Morse to weld repair the bearing saddle as required.

3.3.3 The contractor shall provide the services of a company specializing in the in-place repair and machining of large equipment who is approved by Fairbanks-Morse to machine the bearing saddle as required.

3.4 Damage repairs. The contractor shall perform all repairs following guidance given by the FM

Technical Representative and by written guidance in NAVSEA Tech Pub SP223-DP-KBK-010.

3.4.1 Pre-work requirements and materials.

3.4.1.1 Pressure wash and clean the bilges in way of the work area to remove grease and oils to allow hot work to be performed.

3.4.1.2 Conduct gas free certification checks to ensure that the areas are safe for hot work.

3.4.1.3 The contractor shall provide the parts listed in Table 1 below:

TABLE 1 – LIST OF CONTRACTOR FURNISHED PARTS

ITEM DESCRIPTION PART NUMBER QUANTITY REMARKS

Thrust Bearing Cap, No. 13 Thrust

Bearing

Part No.: 16701490 (Fairbanks-

Morse)

1 ea.

3.4.2 Bearing saddle repairs.

3.4.2.1 Under the guidance of the FM Technical Representative, confirm the extent of damage to the No.

13 bearing cap. Submit a CFR.

3.4.2.2 Provide certified welders and weld build-up the saddle thrust face surfaces of the No. 13 upper main bearing.

3.4.2.3 Receive and inspect the new No. 13 bearing cap.

3.4.2.4 Under the guidance of the FM Technical Representative, perform in-place machining of the bearing saddle thrust faces.

3.4.2.4.1 Install the new bearing cap on the saddle. Set up boring equipment and line-bore the No. 13 bearing cap as directed by the FM Technical Representative.

3.4.2.5 Machine the new bearing cap as directed by the FM Technical Representative

3.4.2.6 Perform all machining under the direct guidance of the FM Technical Representative.

3.4.2.7 Upon completion of machining, the contractor shall carefully clean and wipe down engine oil galleries to ensure that no metal shavings remain in the engine.

3.4.2.7.1 After the engine galleries have been cleaned, carefully inspect the oil galleries in the presence of the Coast Guard Inspector and the FM Technical Representative to ensure that they are clean.

3.5 Laser alignment checks. The contractor shall perform the following work:

3.5.1 In order to ensure the proper alignment of the affected bearing bores and pad machining, the contractor shall provide laser alignment checks during bearing cap and saddle machining.

3.5.2 The Coast Guard shall perform mandrel checks under guidance of the FM Technical Representative on the bearings in the entire upper crank line at this point in the repair procedure to ensure that weld build up and machining of the No. 13 Upper Main Bearing has been performed properly.

3.5.2.1 The contractor shall witness the mandrel checks and shall record the results. Submit a CFR documenting the results.

3.6 Touch-up preservation. The Contractor shall prepare and coat all new and disturbed exterior and interior surfaces to match existing adjacent surfaces, in accordance with COMDTINST M10360.3, Appendix A (Cutter and Boat Exterior Painting Systems) and Appendix B (Cutter and Boat Interior

Painting Systems), respectively, and as applicable. Abide by all touch-up requirements outlined in SFLC

Std Spec 0000, Appendix A (Requirements for Preservation of Ship Structures).

4. NOTES

KTR may not proceed with final alignment under Work Item 1 until the completion of this Work Item.

Upon completion of this Work Item, CG requires 8 calendar days to complete engine reassembly before

KTR may proceed with final alignment.