270 MDE Renewal DRAFT SPEC 9.30.2025.docx

S22-ESWBS-BGW-0622

WORK ITEM 1: Main Diesel Engines, Replace

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to conduct an in-kind replacement of the Fairbanks Morse, 18 Cylinder ALCO 251 Main Diesel Engines (MDE). The removal and installation of the engine may be either a complete assembly renewal or may be conducted as component renewals i.e. engine block, crank shaft, etc. and engine assembly built in place.

1.2 Government-furnished property.

**New or refurbished equipment that the Government may provide for installation in place of existing equipment.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 905 WMEC-101-001, STRUCTURAL PENETRATIONS A and D Coast Guard Drawing 905 WMEC-130-001, SLEP TEMP ACCESS CUTS FOR MDE, SSDG & EDG REMOVAL Coast Guard Drawing 905 WMEC-169-002, SLEP TEMPORARY HELO HANGAR REMOVAL Coast Guard Drawing 905 WMEC-182-001, MN ENG & RED GR FDN Coast Guard Drawing 905 WMEC-183-002, ELECTRICAL FOUNDATIONS ENGINE ROOM Coast Guard Drawing 905 WMEC-201-001, ENGINE ROOM ARR Coast Guard Drawing 905 WMEC-201-003, SLEP MDE EQUIPMENT REMOVAL SHIP INTERFACE KEY PLAN Coast Guard Drawing 905 WMEC-202-011, MPCMS UPGRADE ENGINEERING CONTROL CENTER CONSOLE ELECTRICAL MODS Coast Guard Drawing 905 WMEC-202-014, MPCMS ELECTRICAL INSTALLATION Coast Guard Drawing 905 WMEC-233-001, PROPULSION ENGINE INSTALL Coast Guard Drawing 905 WMEC-233-002, ELECTRICAL CONNECTION DIAGRAM 3650 HP MARINE PROPULSION Coast Guard Drawing 905 WMEC-233-007, ALCO BLANKING PLATES Coast Guard Drawing 905 WMEC-243-001, SHAFTING ARRANGEMENT Coast Guard Drawing 905 WMEC-243-005, SHAFT ALIGNMENT ANALYSIS AND PROCEDURES Coast Guard Drawing 905 WMEC-233-008, SLEP MDE LIFTING RIG Coast Guard Drawing 905 WMEC-243-009, STUB SHAFT Coast Guard Drawing 905 WMEC-264-003, LO SPINNER II INSTALL Coast Guard Drawing 905 WMEC-252-012, MPCMS INTCON WRG DIAG Coast Guard Drawing 905 WMEC-252-016, SLEP MDE TEMPORARY ACCESS CUT ELECTRICAL INTERFERENCES Coast Guard Drawing 905 WMEC-252-017, SLEP MDE RENEWAL ELECTRICAL CONNECTION DETAILS Coast Guard Drawing 905 WMEC-256-011, MN AND AUX SW COOLING SYS DIAG Coast Guard Drawing 905 WMEC-256-002, MN AND AUX SW COOLING SYS A & D Coast Guard Drawing 905 WMEC-259-002, DIESEL EXHAUST SYSTEM A and D Coast Guard Drawing 905 WMEC-259-003, SSDG EXHAUST SYSTEM MODS Coast Guard Drawing 905 WMEC-259-004, DIESEL EXHAUST SYSTEM DIAGRAM Coast Guard Drawing 905 WMEC-260-001, EMER. F.O. SHT DN ARR and DETS Coast Guard Drawing 905 WMEC-261-001, F. O. SERV SYS DIAG Coast Guard Drawing 905 WMEC-261-002, F. O. SERV SYS A and D Coast Guard Drawing 905 WMEC-262-008, LUBE OIL SYS DIAGRAM Coast Guard Drawing 905 WMEC-262-002, LUBE OIL SERVICE SYSTEM A&D Coast Guard Drawing 905 WMEC-321-002 – WIREWAYS MCHRY SPACE & ECC Coast Guard Drawing 905 WMEC-321-004 – WIREWAYS MAIN DECK Coast Guard Drawing 905 WMEC-321-005 – WIREWAYS 01 LEVEL Coast Guard Drawing 905 WMEC-320-014, ELECTRICAL ONE-LINE DIAGRAM Coast Guard Drawing 905 WMEC-320-053, MPCMS ECCC INTERNAL WIRING/POWER DISTRIBUTION DETAILS Coast Guard Drawing 905 WMEC-331-004, LIGHTING SYSTEM FIRST PLATFORM Coast Guard Drawing 905 WMEC-331-005, LIGHTING SYSTEM MN DK Coast Guard Drawing 905 WMEC-331-006, LIGHTING SYSTEM 01 LVL Coast Guard Drawing 905 WMEC-401-006, ARRANGEMENT – ANTENNA AND WAVE GUIDE Coast Guard Drawing 905 WMEC-422-002, NAVIGATION SIGNAL AND SEARCHLIGHT ARR Coast Guard Drawing 905 WMEC-436-003, FIRE AND SMOKE DETECTION AND QUARTERDECK MONITORING SYSTEM BLK AND IWD Coast Guard Drawing 905 WMEC-475-004, DEGAUSSING SYSTEM CONN BOX WIRING DIA and DET Coast Guard Drawing 905 WMEC-505-012, SLEP MDE AUXILARY SYSTEMS INTERFERENCE REMOVALS KEY PLAN Coast Guard Drawing 905 WMEC-507-001, VALVE LABEL PLATE LIST Coast Guard Drawing 905 WMEC-507-002, MACHRY LABEL PLATES Coast Guard Drawing 905 WMEC-512-017, ENGINE ROOM MODS FIRE DAMPER INSTALLATION Coast Guard Drawing 905 WMEC-514-032, HVAC SYSTEM DIAGRAM Coast Guard Drawing 905 WMEC-517-001, HEAT RECOVERY/SS DSL GEN JW SYS DIAGRAM Coast Guard Drawing 905 WMEC-517-007, MAIN PROPULSION ENGINE JACKET WATER SYSTEM A&D Coast Guard Drawing 905 WMEC-521-005, WASHDOWN COUNTERMEASURE (WDCM) SYSTEM DIAGRAM Coast Guard Drawing 905 WMEC-521-006, FIRE MAIN 01 LVL & ABOVE - ARR & DE Coast Guard Drawing 905 WMEC-521-008, WASHDOWN COUNTERMEASURE (WDCM) SYSTEM DIAGRAM Coast Guard Drawing 905 WMEC-521-013, FIRE MAIN AND SPRINKLER SYSTEM DIAGRAM Coast Guard Drawing 905 WMEC-533-009, FDW SYS DIAG Coast Guard Drawing 905 WMEC-551-001, DIAGRAM COMPRESSED AIR SYSTEM Coast Guard Drawing 905 WMEC-551-002, COMPRESSED AIR MACH SP - A and D Coast Guard Drawing 905 WMEC-555-001, AFFF SYSTEM DIAGRAM Coast Guard Drawing 905 WMEC-555-002, AFFF SYSTEM A&D Coast Guard Drawing 905 WMEC-611-002, MACHINERY SPACES PADEYES A & D Coast Guard Drawing 905 WMEC-611-003 PADEYES OUTSIDE MACHINERY SPACES A&D Coast Guard Drawing 905 WMEC-622-001, FLOOR PLATES A&D Coast Guard Drawing 905 WMEC-622-003, ENGINE ROOM PLATFORM INSTALLATION Coast Guard Drawing 905 WMEC-622-101, FLOOR PLATES A&D Coast Guard Drawing 905 WMEC 801-020, Rev H, Booklet of General Plans Coast Guard Drawing 905 WMEC-835-066, M.E. ALIGNMENT CALCS & PROCEDURES

COAST GUARD PUBLICATIONS

Coast Guard Commandant Instruction (COMDTINST) M10360.3C, Coatings and Color Manual Coast Guard Tech Pub 4647, FM/ALCO 251 ENGINE - OPERATIONS & MAINTENANCE MANUAL Coast Guard Tech Pub 2815, REDUCTION GEAR Coast Guard Tech pub 2816, FLEXIBLE COUPLING KOOPERS Surface Forces Logistics Center Standard Specification 0000, (SFLC Std Spec 0000) 2022 Edition, General Requirements Surface Forces Logistics Center Standard Specification 0740, (SFLC Std Spec 0740) 2022 Edition, Welding and Allied Processes Surface Forces Logistics Center Standard Specification 3041, (SFLC Std Spec 3041) 2022 Edition, Shipboard Electrical Cable Test Surface Forces Logistics Center Standard Specification 3042, (SFLC Std Spec 3042) 2022 Edition, Shipboard Electrical Cable Removal, Relocation, Splice, Repair and Installation Surface Forces Logistics Center Standard Specification 6310, (SFLC Std Spec 6310) 2022 Edition, Requirements for Preservation of Ship Structures Surface Forcer Logistics Center Standard Specification 6341, (SFLC Std Spec 6341), Install Interior Deck Covering Systems Surface Forces Logistics Center Standard Specification 8646 (SFLC Std Spec 8636) 2022 Edition, Temporary Hull Access SFLC 083-8.4 Markings, Packaging, Delivery, and Inspection/Acceptance Requirements

OTHER REFERENCES

ALCO 251 Engine Preservation, dated 14 January 2021 ASTM International (ASTM) D882, 2009, Standard Test Method for Tensile Properties of Thin Plastic Sheeting ASTM International (ASTM) D1709, 2008, Standard Test Methods for Impact Resistance of Plastic Film by the Free-Falling Dart Method ASTM International (ASTM) D1922, 2008, Standard Test Method for Propagation Tear Resistance of Plastic Film and Thin Sheeting by the Pendulum Method ASTM International (ASTM) D4174, Re-approved 2010, Standard Practice for Cleaning, Flushing, and Purification of Petroleum Fluid Hydraulic Systems Department of Defense Standard Practice, DOD-STD-2003, Electric Plant Installation Standard Methods for Surface Ships and Submarines DoD 4160.21, Volume 2, Defense Materiel Disposition: Property Disposal and Reclamation Fairbanks Morse Defense, SHIPBOARD OEM REQUIREMENTS for FM/ALCO 251F 18 cylinder engines.

Fairbanks Morse Defense, PACKING, PRESERVATION, MARKING, SHIPPING, ANDSTORAGE PLAN for FM/ALCO 251F 18 cylinder engines.

IEEE 45 - IEEE Recommended Practice for Electrical Installation on Shipboard (IEEE Std 45, 2002) Institute of Electrical and Electronics Engineers Standard, IEEE-45, Recommended Practice for Electrical Installations on Shipboard International Organization for Standardization (ISO) 4406, 2017, Hydraulic Fluid Power – Fluids – Method for Coding the Level of Contamination by Solid Particles – Third Ed Life Cycle Engineering Version 2011-002.03, Procedure to Provide Long Term Lay-Up of the Welin Lambie Dual Point Davit, dated February 2011 MIL-DTL-15024, General Specification for Plates, Tags, and Bands for Identification of Equipment MIL-DTL-24643, General Specification for Low Smoke Electric Cables and Cords for Shipboard Use MIL-STD-1310(SERIES), Shipboard Bonding, Grounding, and Other Techniques for Electromagnetic Compatibility and Safety MIL-STD-1399, Interface Standard for Shipboard Systems MIL-STD-2003, Electric Plant Installation Standard Methods (Section 1: Cable) MIL-STD-2003, Electric Plant Installation Standard Methods (Section 2: Equipment) MIL-STD-2003, Electric Plant Installation Standard Methods (Section 3: Penetrations) MIL-STD-2003, Electric Plant Installation Standard Methods (Section 4: Cableways) NAVSEA Drawing 803-1385866, Rev E, Penetration, Bulkhead and Deck NAVSEA Drawing 804-5773931, Rev A, Acoustic and Thermal Insulation for Compartments Installation Details NAVSEA S9086-SN-STM-010, “Naval Ships Technical Manual Chapter 541, Ship Fuel and Fuel Systems” Oct 2005 NAVSEA S9AA0-AB-GOS-010 “General Specifications for Overhaul (GSO) of Surface Ships”, April 2016

OSHA 1926.501, DUTY TO HAVE FALL PROTECTION

OSHA 1910.29, FALL PROTECTION SYSTEMS AND FALLING OBJECT PROTECTION-CRITERIA AND PRACTICES

3. REQUIREMENTS

3.1 General.

3.1.1 CIR. None

3.1.2 Technical representative. The Contractor must provide the services of an OEM authorized tech rep for FM Alco 251 engine. The technical representative will provide onsite technical support to provide manufacturer’s proprietary information, and tools. Technical representative will assist with and ensure compliance with manufacturers procedures and standards for FM/ALCO 251F removal from the ship, packing and shipping requirements, install, system testing, commissioning, and certification.

3.1.2.1 Ensure the tech rep is an OEM certified representative for the system/equipment stated above as demonstrated on their résumé.

3.1.2.2 FME Tech reps are required for the following events:

· Initial alignment check

· Removal of interference parts on engines

· Verification of rigging prior to engine removal

· Inspect removed engine on the mounting fixture

· Verification of rigging on new engine

· Initial alignment to Red Gear

· Installation of loose parts on new engine

· Crank Shaft deflection readings

· Final crank case/engine sump inspection

· Pre-lube pumps, heater operation, proper oil flow to bearings and system is leak free

· Inspection Jack Water system for leaks, pump and heater verification

· Inspection of Raw Water system for leaks and proper operation

· Inspection of Fuel Oil system for leaks and proper operation

· Inspection of exhaust Pyro system is correctly installed and operational

· Verification of all safety alarms and sensors including baring gear

· Inspection of crank case exhauster

· All engine testing

3.1.3 Protective measures. The Contractor must furnish and install all protective measures in accordance with SFLC Std Spec 0000, paragraph 3.3.3 (Vessel component, space, and equipment protection). The Contractor must take the following protective measures to prevent contamination of areas associated with temporary access cuts and non-affected shipboard equipment: Plug, blank, wrap, cover, seal using water and oil repellent materials, and prevent entry of contaminants. The protective measures must be suitable to withstand extreme weather conditions such as high winds, rain, and snow. Protective measures shall prevent leakage of residual fluids from piping systems.

3.1.3.1 When appropriate the Contractor must provide 8-mil marine grade, heat shrink film having a minimum of 3% ultra-violet inhibitor content that conforms to ASTM D882, D1709, and D1922. Pad/cover all sharp protrusions and surfaces that could puncture the covering. Where necessary, fabricate and install ridge poles to support the film in a manner to discourage precipitation pooling or build-up.

3.1.3.2 Ensure blanked or wrapped equipment and machinery have not been infiltrated by contaminants. If contamination or surface damage has occurred, submit a CFR immediately and reseal to prevent further contamination or surface damage.

3.1.3.3 Upon work completion, remove all protective material and inspect for the presence of contamination due to improper protection. Clean all contaminated equipment and spaces to original condition of cleanliness. Submit a CFR if contamination occurred.

note The following is a list of potential interferences that may or may not be applicable based on plan for engine removal. Depending on route of removal some interferences may or may not be applicable.

3.1.4 Interferences. The Contractor must handle all interferences in accordance with SFLC Std Spec 0000, (Interferences). Known interferences include, but are not limited to the following:

· Helicopter Hangar

· Light fixtures

· Signal and navigation lights

· Cable runs and wire ways

· Fire and smoke detectors

· Exhaust piping

· Silencers

· Expansion joints

· Foundations

· Lube oil piping

· Lube oil spinner

· Lube oil cooler

· Insulation

· One step decking system

· Scullery equipment

· Exhaust piping

· Handrails

· Deck plates

· Air handler

· Engine oil pan

· Night flight operations lights (Red floodlights and wave off lights)

· Port and starboard HF 35’ whip antennas

· AS-3018A/WSC-1 Satellite antenna at Centerline

· Power Panel 1-125-1

· Bus Transfer Switch 2S/1E

· Scullery Equipment:

· Dishwasher and control panel

· Garbage disposal and control panel

· Standard work station

· Flexible connections

· Pumps

· Valves

· Fittings

· Instrumentation and control wiring and gauge tubing

3.1.5 Operational testing, initial. Prior to commencement of work, the Contractor must witness Coast Guard personnel perform an initial operational test of all items or shipboard devices to be disturbed, used, repaired, or altered, to demonstrate existing operational condition. Submit CFR.

3.1.6 Inspection. The contractor must complete the following inspections:

· Perform a visual inspection of exposed areas after interferences are removed. Submit a CFR.

· Perform MPC M-A-1400 Main Reduction Gear Inspection and Check. Submit a CFR with results.

· The Contractor must visually inspect 4-103-0-F, 4-103-1-W, 4-103-2-W Tank Tops and note the structural and coating conditions. Additionally, the Contractor must visually inspect the bilges and note the structural and coating conditions. Submit a CFR.

3.1.7 Touch-up preservation. The Contractor must prepare and coat all new and disturbed surfaces to match existing adjacent surfaces, in accordance with SFLC Std Spec 6310, (Touch-ups and minor coating repairs.)

3.1.8 Environmental compliance. The Contractor must dispose of all system fluids, cleaning and flushing fluids, and wastes in accordance with SFLC Std Spec 0000, Appendix A, Requirements for Environmental Protection.

3.1.9 Electrical requirements. The Contractor must accomplish all electrical work in accordance with SFLC Std Spec 3042 and test cables in accordance with SFLC Std Spec 3041.

3.1.10 Staging. The Contractor must install and maintain staging will be required in the engine room (3-103-0-E) to mount lifting padeyes in the overhead, remove temporary interferences, remove exhaust, run cables, install exhaust, and re-install temporary interferences.

3.1.11 Temporary deck plates. The Contractor must remove, retain and store deck plates as needed for access to piping and mechanical systems. Label original location. Create temporary decking to ensure personnel may safely traverse working areas. Temporary decking shall be no less than ¾”plywood cut to fit tightly to deck angles when deck support angles are present. Larger openings spanning missing deck support angles or covering areas of missing machinery shall be no less than 2”x12” dimensional lumber of suitable length to span the opening.

3.1.12 Temporary Handrails. The Contractor must install and maintain temporary handrails around temporary access cuts and around fall hazards created by large equipment removal IAW OSHA1926.501 and OSHA1910.29.

3.2 Temporary access openings. With express permission of the KO via submission of a CFR and in accordance with SFLC Std Spec 8636, the Contractor may perform all work required to cut open and close temporary access openings to facilitate accomplishment of the work specified herein.

3.3 MDE removals. The engine shall be rigged out of the ship using an approved MDE lifting rig and stored on temporary supports until shipping fixture is available. Drain Jacket Water, Lube Oil, Fuel Oil and Sea Water systems as much as possible. Use low pressure compressed air as needed.

3.3.1 Remove, clean, inspect, service and store for re-use the following components. Install suitable blanks and or protective coverings for all removed mounting.

· Exhaust Outlet Adapter

· Air filter/ Silencer

· Lube Oil Heater, Strainer and Filters

· Jacket Water Collector

· Thermostatic Valve Assemblies

· Terminal Boxes, Conduits, and Wiring

· ASW Pump/ Moisture Collector

· Expansion Tank

· Fuel Hand Priming Pump

· Fly Wheel Guards

· Piping Fitting and Hoses indicated by FME removal diagram

3.3.2 Remove, clean, inspect and pack for the following components:

· Turbocharger

· Exhaust Manifold and Heat Shields

· Crankcase Exhauster

· Governor with Drive and Booster

· Jacket Water Pump

· Raw Water Pumps and Drive

· Starting Motors with Mounting Plates

· Fuel Oil Booster Pump

· Lube Oil Pump

· PYRO Racks

3.3.3 Remove, clean, inspect, pack and ship to SFLC Warehouse marked as F condition. Pack old coolers in shipping containers that new coolers arrive in.

· Lube Oil Cooler

· Jacket Water Cooler

3.3.4 Pre-work MDE alignment. Before structural work and removal of liquid load the Contractor shall record the pre-existing alignment condition of the MDEs as it relates to their respective reduction gear. The Contractor shall develop a method in accordance with NSTM 243 and submit it for approval with the Coast Guard Technical Authority. The Contractor shall supply all measurement equipment, fixtures and/or shafting supports to obtain angular and axial alignment measurements. The method must compensate for sag related to alignment fixtures if mechanical indicators are utilized. If the stub shaft is disconnected or removed the Contractor must remain aware the torque meters will need to be removed which may require a technical representative/guidance. Torque meter removal is required at some point to allow for additional axial clearance when rigging the MDEs. Complete work in accordance with Coast Guard Drawings 905-WMEC-243-001, 905-WMEC-243-005, and 905-WMEC-835-066.Submit CIR.

3.3.5 Fluids. The Contractor must close and lock out system valves and drain the engine fluid systems including: fuel oil supply and return, lube oil, jacket water and sea water. The engine exterior must also be degreased prior to packaging and shipping. Dispose of fluids in accordance with all applicable Federal, State and Local regulations. Use Coast Guard Tech Pub 4647 as guidance.

3.3.6 Emergency pull cables. The Contractor must label and remove emergency stop cables and remote operating gear attached to the MDEs and auxiliary equipment and renew.

3.3.7 Electrical. The Contractor shall remove and retain all sensors, gauges, panels and wired equipment from the engines and ancillary equipment to prevent damage to electrical components. Use Coast Guard drawings 905-WMEC-233-002, 905-WMEC-252-012, and 905-WMEC-252-017 as guidance. See table 1 in section 4 for sensors to be renewed.

3.3.8 Lube oil cooler modifications. The Contractor must make the following modifications.

Cut the mounting feet down 2 inches Move the mounting holes forward 1 ½ inches center to center on the mounting beams under the engine Modify the aft jacket water connection by either 1 inch or ¾ inches off of the end of the pipe to get the horizontal alignment of flange face to the cooler

3.3.9 Reduction gears. The Contractor shall remove stub shaft between MDEs and Reduction Gears (RGs). Install temporary supports and blanks to protect RG from damage and contaminants. Stub shaft removal is allowed if additional space is required when rigging the MDEs. Contractor must provide Tech Rep for the torque meters if they are removed. Contractor must remain aware that the length of the stub shafts are not standardized; stub shafts shall be marked so that they are returned to the side they came off of. Use Coast Guard Tech Pub 2815, 4647 and 2816 as guidance.

3.3.9.1 The Contractor must replace the flexible coupling inserts between the MDE and the reduction gear. Use Coast Guard Tech Pub 2816 as guidance. Submit CFR.

3.4 MDE Install. The Tech Rep will be present for all MDE unpacking and installation activities.

3.4.1 Mechanical equipment. The Contractor must install one (1) GFE lube oil coolers for FM/Alco 251 and (1) GFE Main Diesel Engines (MDEs) which must be installed through temporary access gained into the engine room (3-103-0-E). Existing temporary accesses used for removals will also be used for installations.

3.4.2 MDE Connections. The Contractor must ensure the OEM Tech Rep is present to oversee or perform removals and installation of any MDE component normally factory installed to maintain warranty. A clean dry staging and storage area will be needed for unpacking and preparing disconnected MDE components for install.

3.4.3 MDE. The Contractor must lower main diesel engines onto clean and painted foundations and temporarily fasten to foundation in accordance with Coast Guard Drawing 905-WMEC-233-001 and 905-WMEC-182-001.

3.4.4 Piping. The Contractor shall connect MDE and auxiliary piping systems and equipment including but not limited to pipes, hoses, valves, brackets, flex couplings, coolers and spinners. The Contractor must verify all piping systems cleanliness in accordance with ISO4406, ASTM D4174 before connecting to FM/Alco MDEs. The closest flexible connection to the MDE shall remain loose until final alignment of MDEs is accomplished. Inspect all piping connections to MDEs for strains or misalignment and correct deficiencies.

3.4.5 Exhaust. The Contractor must install exhaust local to the equipment. This work includes, but is not limited to, exhaust piping, silencers, expansion joints, foundations, and insulation/lagging. The closest flexible connection to the MDE shall remain loose until final alignment of MDEs is accomplished. Inspect all piping connections to MDEs for strains or misalignment and correct deficiencies. Use Coast Guard Drawing 905-WMEC-259-004 as guidance. Submit CFR.

3.4.6 Lube oil. The Contractor must install portions of the lube oil system local to the MDE’s. This work includes, but is not limited to coolers, spinners, filters, piping, hoses, valves, fittings and Hangars. The closest flexible connection to the MDE shall remain loose until final alignment of MDEs is accomplished. Use Coast Guard Drawing 905-WMEC-262-002, 905-WMEC-262-008, 905-WMEC-264-003 and 905-WMEC-233-001 as guidance. Submit CFR.

3.4.7 Electrical equipment. The Contractor shall install sensors, gauges, panels and all wired equipment necessary for MDE and MPCMS operation and monitoring. The Contractor will include the appropriate amount of slack in wires and conduit to achieve final MDE alignment without damage or strain to electrical connections. Use Coast Guard Drawings 905-WMEC-252-017, 905-WMEC-202-011, 905-WMEC-202-014, 905-WMEC-252-012, TP 4647 and Tech Rep’s instructions as guidance. Submit CFR.

3.4.7.1 The Contractor shall clear and remove all Danger tags in accordance with Coast Guard Commandant Instruction 9077.1 (series).

3.5 Pipe flushing. The Contractor must flush all new and disturbed piping with clean fresh water until all debris is removed but no longer than five minutes. Ensure flushing fluid is directed to move scale and foreign debris away from installed machinery to prevent possible damage upon operational testing. Submit a CFR documenting date and time of flushing process and level of pipe cleanliness.

3.5.1 Dispose of flushing fluid in accordance with all applicable Federal, state, and local regulations.

3.5.2 Ensure all water is removed by blowing dry all flushed piping with dry, low-pressure air.

3.6 Hydrostatic test. After all authorized repairs, the Contractor must hydrostatically test all new, disturbed, and/or modified components and related piping of each affected piping system, in accordance with SFLC Std Spec 0740, Appendix C, “Hydrostatic Test”. Ensure zero leakage from or permanent deformation of pressure-containing parts by repairing leaks, deformations, and discrepancies. Submit CFR.

3.7 Operational testing. The Contractor shall ensure that all MDE gauges and measuring devices are calibrated prior to delivery and final testing. Only transducers and gauges already slated for removal will be disturbed for calibration. Non-disturbed monitoring equipment shall be calibrated in place. After completion of work, the Contractor shall witness an operational test (by Coast Guard personnel) of all mechanical and electrical items or shipboard devices that have been disturbed, used, repaired, altered, or installed to prove that they are in satisfactory operational condition prior to Dock Trial. Submit CFR.

3.8 Equipment/component disposal. The Contractor must dispose of all removed equipment and components not designated for mandatory turn-in or reinstallation in accordance with all Federal, State, and Local requirements. Do not dispose of items designated to be re-installed in Coast Guard Drawing 905-WMEC-505-012 and 905-WMEC-252-016.

3.9 Labeling. All hoses, electrical cables, controllers, and other equipment must be properly labeled by the Contractor IAW approved references.

3.10 MDE fluids. Contractor will provide all OEM approved fluids. Technical representative will direct cleanliness inspection and filling of all MDE fluids IAW SHIPBOARD OEM REQUIREMENTS for FM/ALCO 251F 18 cylinder engines.

· 320 gallons Lubricating Oil, Engine, P/N: MIL-PRF-9000, CAGE: 81349, NIIN: 001818232

· 20 gallons per engine Nalco 2000

· 430 gallons per engine distilled water

3.11 Alignment requirements. The Contractor must review initial alignment information, associated documents including Coast Guard Drawing 905-WMEC-866-001 with technical representative to verify initial and final alignment criteria. The Contractor must also remain aware that IAW Coast Guard Drawing 905-WMEC-243-009 the stub shaft lengths are not standardized. It is imperative this is taken into consideration when setting the MDEs axial position.

3.11.1 Prerequisites. The Contractor must ensure the following prerequisites are completed a minimum of 24 hours before MDE final alignment is begun. Shafting install and waterborne alignment shall precede MDE alignments by at least 24 hours. The vessel must be waterborne and 80% liquid load achieved throughout the vessel for a minimum of 24 hours.

3.11.2 Final alignment adjustments. The Contractor must complete the final MDE alignment to the reduction gear after the prerequisites in 3.8.1 are complete and after the MDE jacket water heaters are energized for a minimum of 24 hours.

3.11.2.1 The Contractor must manufacture new foundation hardware. The Contractor must ream, and fit all foundation hardware. Use Coast Guard Drawing 905-WMEC-233-001 and 905-WMEC-182-001 as guidance.

3.11.2.2 The Contractor must renew Chockfast bed IAW manufacturer guidelines.

3.11.2.3 After Chockfast is cured according to manufacturer’s temperature and thickness chart the Contractor must torque foundation hardware.

3.11.2.4 Upon final torqueing of MDEs the Contractor must, in the presence of USCG inspector and technical representative, conduct final angular, parallel and axial position (thrust) measurements as well as conduct web deflection measurements. Use Coast Guard Drawing 905-WMEC-835-066 as guidance. Submit CFR.

3.12 Pre-Operational checklist. The Contractor must complete the joint Pre-Op checklist found in SHIPBOARD OEM REQUIREMENTS

3.13 Operational test. After completion of work, the Contractor must thoroughly test, in the presence of the Coast Guard Inspector and demonstrate all items or shipboard devices that have been disturbed, used, repaired, altered, or installed to be in satisfactory operating condition. Submit a CFR.

4. NOTES

Table 1. SENSORS FOR RENEWAL

AFTERCOOLER HEATER CONTROL SWITCH-CLOSES @140 F OPENS @155 F

2KW, 120 VAC, SINGLE PHASE

AIR MANIFOLD PRESS. TRANSDUCER

0-60 psig, 40-20 MA, 2 WIRE, 28 VDC

AIR START VALVE, 24 VDC, 9.7 WATTS

INDICATOR FOR AIR TEMP. FROM AFTERCOOLER, 120 VAC POWER

INDICATOR FOR AIR TEMP. FROM AFTERCOOLER, 120 VAC POWER

RTD FOR AIR TEMP TO AFTERCOOLER, 100OHM PLATINUM, 3 WIRE, USED W/ATTG

RTD FOR AIR TEMP TO AFTERCOOLER, 100OHM PLATINUM, 3 WIRE, USED BY TANO

RTD FOR AIR TEMP TO AFTERCOOLER, 100OHM PLATINUM, 3 WIRE, USED W/ATTG

RTD FOR AIR TEMP TO AFTERCOOLER, 100OHM PLATINUM, 3 WIRE, USED BY TANO

REARING INTERLOCK SWITCH

CRANKCASE EXHAUSTER MOTOR

1/2 HP, 115V, 60 HZ, 66 A

IPT-10-812-10"H20

CRANKCASE PRESS. TRANSDUCER

-10"H20-+10"H20 4-20MA,2 WIRE 28VDC

49A74289

VOLTAGE TO PRESSURE CONVERTER

0-10V INPUT (INTO IR ) 10-60 PSI OUTPUT

ENGINE RUN SOLENOID 24VDC, 1.2W

FS43T3-1

LUBE OIL FLOW SWITCH

* HL 1T/

HL 2T

PN: 767

THERMOCOUPLE, EXH. INTO TURBO

LEFT, DUEL TYPE K

* HL 1R/

HL 2R

PN: 767

THERMOCOUPLE, EXH. INTO TURBO

RIGHT, DUEL TYPE K

-50 -250F

INDICATOR FOR JACKET WATER

FROM COOLER, 120 VAC POWER

MT2XX

JACKET WATER HEATERS

4.5 KW, 30, 440 V (EACH)

-50 -250F

INDICATOR FOR JACKET WATER

TO COOLER, 120 VAC POWER

RTD FOR JACKET WATER INTO COOLER

USED W/JWTG. 100 OHM, 3 WIRE, PLATINUM

RTD FOR JACKET WATER INTO COOLER

USED BY TANO 100 OHM, 3 WIRE, PLATINUM

RTD FOR JACKET WATER INTO COOLER

USED W/JWTG. 100 OHM, 3 WIRE, PLATINUM

RTD FOR JACKET WATER INTO COOLER

USED BY TANO 100 OHM, 3 WIRE, PLATINUM

NWHO

LUBE OIL HEATER, 12 KW, 30, 440 V

MAG-PICKUP - USED W/SPM1, SPM2

MAG-PICKUP - USED W/ ALCO SUPPLIED AMPLIFIER - SIGNAL TO TANO'S LOGIC

OIL HEATER CONTROL SWITCH CLOSES @ 90F, OPENS @ 120F

OIL PRESS. ALARM SWITCH SET @ 20 PSI ON DROP

OIL PRESS. ALARM SWITCH SET @ 30 PSI ON DROP

OIL PRESS. ALARM SHUTDOWN SET @ 12 PSI ON DROP

OIL PRESS. ALARM SHUTDOWN SET @ 25 PSI ON DROP

OVERSPEED LIMIT SWITCH

-50 -250F

INDICATOR FOR OIL TEMP FROM COOLER, 120VAC POWER

RTD FOR OIL TEMP TO COOLER USED W/ OTTG, 100OHM, 3 WIRE, PLATINUM

RTD FOR OIL TEMP TO COOLER USED BY TANO, 100OHM, 3 WIRE, PLATINUM

RTD FOR OIL TEMP TO COOLER USED W/ OTFG, 100OHM, 3 WIRE, PLATINUM

RTD FOR OIL TEMP TO COOLER USED BY TANO, 100OHM, 3 WIRE, PLATINUM

PRELUBE PUMP MOTOR, 3HP, 440V, 3PHASE, 60HZ, 4.8AMPS

2981-2500-510D

INDICATOR FOR CYC AND EXH. TEMP. RANGE 0-1999F, DIGITAL, 31PT

SPEED INDICATOR

SPEED INDICATOR

PN: 767

EXH FROM TURBO THERMOCOUPLE DUAL ELEMENTS TYPE K

-50-250F

INDICATOR FOR SEA WATER FROM COOLER 120VAC POWER

-50-250F

INDICATOR FOR SEA WATER TO COOLER 120VAC POWER

RTD FOR SEA WATER TO COOLER USED W/ SWTG, 100OHM, 3 WIRE, PLATINUM

RTD FOR SEA WATER TO COOLER USED BY TANO, 100OHM, 3 WIRE, PLATINUM

RTD FOR SEA WATER TO COOLER USED W/ SWTG, 100OHM, 3 WIRE, PLATINUM

RTD FOR SEA WATER FROM COOLER USED BY TANO, 100 OHM, 3 WIRE, PLATINUM

PN: 767

CYL. EXHAUST THERMOCOUPLE LEFT SIDE DUAL ELEMENTS TYPE K

PN: 767

CYL. EXHAUST THERMOCOUPLE RIGHT SIDE DUAL ELEMENTS TYPE K

WATER HEATER TEMP. CONTROL SWITCH CLOSES @ 90F, OPENS @ 120F

WATER PRESS. TRANSDUCER 0-60PSIG 2 WIRE, 48VDC, 4-20MA

*Contact Coast Guard Yard Engineering for purchasing information.