Specification Pkg. Rev-0, 19 February 2020 (52315).pdf

USCG 52315 (MLB 52)

SPECIFICATION FOR DRYDOCK REPAIRS

FY2020

Developed By: Tyler W Henson

(Rev-0, 19 February 2020)

USCG 52315 (MLB-52) DRYDOCK AVAILABILITY FY2020

ii (Rev-0)

TABLE OF CONTENTS

Revisions Record ......................................................................................................................................... iii Consolidated List of References ................................................................................................................... iv Consolidated List of Government-furnished Property ................................................................................. ix Consolidated List of Critical Inspection Items .............................................................................................. x Principal Characteristics ............................................................................................................................... xi General Requirements WORK ITEM 1: General Welding, Provide WORK ITEM 2: Hull Plating (Side Scan), Ultrasonic Testing WORK ITEM 3: Hull Plating (U/W Body), Inspect WORK ITEM 4: U/W Body, Preserve (100%) WORK ITEM 5: Hull Plating Freeboard, Preserve “100%” WORK ITEM 6: Accessible Spaces, Inspect WORK ITEM 7: Tanks (MP Fuel Service), Clean and Inspect WORK ITEM 8: Tanks (Potable Water), Clean and Inspect WORK ITEM 9: Mast, Inspect WORK ITEM 10: Main Diesel Engine, Remove and Install WORK ITEM 11: Propulsion Shafting; Remove, Inspect, and Reinstall WORK ITEM 12: Propulsion Shaft Bearings (External), Renew WORK ITEM 13: Propulsion Stern Tube Bearings, Renew WORK ITEM 14: Fuel Root Valves, Renew WORK ITEM 15: Ship Service Diesel Generator, Remove and Install WORK ITEM 16: Sea Water Valves, Renew WORK ITEM 17: Sea Strainers - Duplex (All Sizes), Overhaul WORK ITEM 18: Sea Strainers - Simplex (All Sizes), Clean and Inspect WORK ITEM 19: Diesel Tank(s), Refuel WORK ITEM 20: Fire Pump, Overhaul WORK ITEM 21: Hydraulic Steering Oil Tank, Clean And Inspect WORK ITEM 22: Rudder Assembly; Remove, Inspect And Reinstall WORK ITEM 23: Rudder Stock Bearings, Renew WORK ITEM 24: Decks - Exterior, Preserve (“Non-Skid Broadcast Grit” System) WORK ITEM 25: Superstructure, Preserve “100%” WORK ITEM 26: Cathodic Protection / Zinc Anodes, Renew WORK ITEM 27: Marine Chemist Services, Provide WORK ITEM 28: Drydock WORK ITEM 29: Sea Trial Performance, Support, Provide WORK ITEM 30: Bilges, Preserve WORK ITEM 31: Temporary Services, Provide WORK ITEM 32: Propellers, Remove, Inspect and Install iii (Rev-0)

REVISIONS RECORD

This page is used to record specification revisions, which may have occurred subsequent to a Revision 0 (Rev-0) package. Information listed is intended to provide contractors and field unit personnel a means to ensure all the current specification revision pages are present when reviewing or utilizing this specification package.

DATE REV# WORK

ITEM#

CHANGES MADE

NOTE : All work item and paragraph numbers listed above for a given revision correspond to same numbers in the previous revision. This revised specification is self-contained with all of the above listed changes incorporated.

iv (Rev-0)

CONSOLIDATED LIST OF REFERENCES

The below-listed documents form a part of this specification to the extent specified herein. Approval/publication dates or revision dates/numbers are also identified, to ensure that same document versions are used at the time of specification writing and during contract execution.

All Coast guard drawings, technical publications, and standard specifications will be provided to contractors by the Coast Guard at an appropriate time, or upon request, free of charge. Other Government documents may be accessed – free of charge – from links located on the SFLC website. Commercial sites provide access to their respective documents.

COAST GUARD DRAWINGS

52-MLBS 103-3, Rev B; Profiles & General Arrg (52312)

52-MLBS 103-3, Rev E; Profiles & General Arrg (52313)

52-MLBS 103-5, Rev B; Profiles & General Arrg (52314-15)

Coast Guard Drawing 52 MLB 180-001, Rev A, New Aux Generator Foundations

Coast Guard Drawing 52 MLB 505-001, Rev A, Piping Mods Incident Kohler SSDG Install

Coast Guard Drawing 52 MLBS 103-2, Rev B, Profiles & General Arrg (52312)

Coast Guard Drawing 52 MLBS 103-3, Rev E, Profiles & General Arrg (52313)

Coast Guard Drawing 52 MLBS 103-5, Rev B, Profiles & General Arrg (52314-52315)

Coast Guard Drawing 52 MLBS 1106-1, Rev F, Mn Dk Berth Flat FRAM & Plat (52312-52315)

Coast Guard Drawing 52 MLBS 2908-1, Rev A, Cmpt Tst & Per Air Tst Ftng Sched (52312-52313)

Coast Guard Drawing 52 MLBS 5501-1, Rev C, Fuel Oil System (52312-52315)

Coast Guard Drawing 52 MLBS 0103-2, Rev B, Profiles and General Arrangements (52012)

Coast Guard Drawing 52 MLBS 0400-001, Rev A, Arrangement and Details of Keel Blocks

Coast Guard Drawing 52 MLBS 0700-001, Rev B, Docking Plan (52312-52315)

Coast Guard Drawing 52 MLBS 0700-001, Rev B, Docking Plan

Coast Guard Drawing 52 MLBS 103-002, Rev B, Profiles and General Arrangements (52312)

Coast Guard Drawing 52 MLBS 103-003, Rev E, Profiles and General Arrangements (52313)

Coast Guard Drawing 52 MLBS 103-005, Rev B, Profiles and General Arrangements (52314-52315)

Coast Guard Drawing 52 MLBS 103-2, Rev B, Profiles & General Arrg (52312)

Coast Guard Drawing 52 MLBS 103-2, Rev B, Profiles and General Arrangements (52012)

Coast Guard Drawing 52 MLBS 103-2, Rev B, Profiles and General Arrangements (52312)

Coast Guard Drawing 52 MLBS 103-3, Rev E, Profiles & General Arrg (52313)

Coast Guard Drawing 52 MLBS 103-5, Rev B, Profiles & General Arrg (52314-15)

Coast Guard Drawing 52 MLBS 1103-001, Rev G, Shell Plating, Longitudinal Framing and Webs

Coast Guard Drawing 52 MLBS 1103-002, Rev G, Keel and Skeg

Coast Guard Drawing 52 MLBS 1106-001, Rev F, Main Deck & Berthing Flat Framing and Plating

(52312-52315)

Coast Guard Drawing 52 MLBS 1106-001, Rev F, Main Deck & Berthing Flat Framing and Plating

Coast Guard Drawing 52 MLBS 1107-001, Rev F, Superstructure & Pilothouse (52312-52313) v (Rev-0)

Coast Guard Drawing 52 MLBS 1107-004, Rev B, Superstructure & Pilothouse (52314-52315)

Coast Guard Drawing 52 MLBS 1112-002, Rev C, Aux Generator (52312-52313)

Coast Guard Drawing 52 MLBS 1112-007, Rev -, Aux Generator Foundations

Coast Guard Drawing 52 MLBS 1702-1, Rev B, Mast Assembly & Navigation

Coast Guard Drawing 52 MLBS 2000-9, Hydraulic Steering System

Coast Guard Drawing 52 MLBS 2200-007, Rev -, Twin Rudder Instl a&D

Coast Guard Drawing 52 MLBS 2200-008, Rev -, Steering Gear Assy (52312-52315)

Coast Guard Drawing 52 MLBS 2908-1, Rev A, Cmpt Tst & Per Air Tst Ftng Sched (52312-52313)

Coast Guard Drawing 52 MLBS 324-001, Rev B, Ship Service Switchboard

Coast Guard Drawing 52 MLBS 3901-001, Rev C, Insulation (52312-52315)

Coast Guard Drawing 52 MLBS 4000-001, Rev I, Machinery Arrangement (52312-52313)

Coast Guard Drawing 52 MLBS 4000-002, Rev A, Machinery Arrangement (52314-52315)

Coast Guard Drawing 52 MLBS 4000-1, Rev I, Machinery Arrangement (52312-52313)

Coast Guard Drawing 52 MLBS 4000-2, Rev A, Machinery Arrangement (52314-52315)

Coast Guard Drawing 52 MLBS 4103-004, Rev A, Engine Cooling S.W. Systems (52312-52315)

Coast Guard Drawing 52 MLBS 4103-005, Rev A, Exhaust Piping & Mufflers (52312-52315)

Coast Guard Drawing 52 MLBS 4103-006, Rev B, Mn Eng Gauge Brd Tach & Cntrls (52312-52315)

Coast Guard Drawing 52 MLBS 4103-010, Rev -, Hydraulic Starting System (52314-52315)

Coast Guard Drawing 52 MLBS 4103-4, Rev A, Engine Cooling S.W. System (52312-52315)

Coast Guard Drawing 52 MLBS 4301-001, Rev E, Shafting, Bearings & Stern Tube (52312-52315)

Coast Guard Drawing 52 MLBS 4700-5, Rev A, Fire Bilge & Salvage Pump (Right Hand)

Coast Guard Drawing 52 MLBS 4700-6, Rev A, Fire Bilge & Salvage Pump (Left Hand)

Coast Guard Drawing 52 MLBS 4801-001, Rev C, SW Bilge FO & Heat Sys Pip Diag (52312-52315)

Coast Guard Drawing 52 MLBS 4801-1, Rev C, SW Bilge FO & Heat SYS Pipe (52312-52315)

Coast Guard Drawing 52 MLBS 4803-1, Rev D, Fire Main & Salvage System (52312-52315)

Coast Guard Drawing 52 MLBS 4808-1, Rev C, Bilge Drainage System (52312-52315)

Coast Guard Drawing 52 MLBS 5501-001, Rev C, Fuel Oil System (52312-52315)

Coast Guard Drawing 52 MLBS 5501-1, Rev C, Fuel Oil System (52312-52315)

Coast Guard Drawing 52 MLBS 8201-001, Rev -, Forward and Aft Lifting Sling

Coast Guard Drawing 52 MLBS 8201-002, Rev A, Arrangement of Lifting Sling

Coast Guard Drawing 52 MLBS 8201-003, Rev A, Arrangement and Details of Boat Cradle

Coast Guard Drawing 52-MLBS 4301-1, Rev E, Shafting, Bearings & Stern Tube (52312-52315)

Coast Guard Drawing 52-MLBS 4301-1, Rev E, Shafting, Bearings & Stern Tube (52312-52315)

Coast Guard Drawing 52-MLBS_2200_7, Twin Rudder Instl A&D

Coast Guard Fleet Drawing FL 2804-12, Rev -, U.S.C.G. Emblem

Coast Guard Fleet Drawing FL 2804-22, Rev-, Consolidated Visual ID for Cutters

NAVSEA Drawing 803-921865, Rev R, Cathodic Protection Hull Zinc Anodes

COAST GUARD PUBLICATIONS

«REF_A»

2014, General Requirements

2014, Requirements for Preservation of Ship Structures vi (Rev-0)

Coast Guard Commandant Instruction(COMDTINS) M10360.3 (series), Coatings and Color Manual

Coast Guard Technical Publication (TP) 1539, SWBS 503, Pump, Fire, Bilge and Salvage

Coast Guard Technical Publication (TP) 1554, SWBS 233-625, Jul 2012, Manufacturers Instruction

Book, SWBS Groups(s) 233-265, 52-MLBS Small Boat, SWBS 256, Sect A, Sea Water Strainers, (52312)

Coast Guard Technical Publication (TP) 1554, SWBS 561, Jul 2012, Manufacturer’s Instruction Book-

SWBS Group 233-625, SWBS 561, Section A, Steering System (52312)

Coast Guard Technical Publication (TP) 1643, SWBS 233-625, Jul 2012, Manufacturers Instruction

Book, SWBS Groups(s) 233-265, 52-MLBS Small Boat, SWBS 256, Sect A, Strainers, Sea Water

(52313)

Coast Guard Technical Publication (TP) 1643, SWBS 561, Jul 2012, Manufacturer’s Instruction Book-

SWBS Group 233-625, SWBS 561, Section A, Steering System (52313)

Coast Guard Technical Publication (TP) 1685, SWBS 233-625, Jul 2012, Manufacturers Instruction

Book, SWBS Groups(s) 233-265, 52-MLBS Small Boat, SWBS 256, Sect A, Sea Water Strainers

(52314- 52315)

Coast Guard Technical Publication (TP) 1685, SWBS 561, Jul 2012, Manufacturer’s Instruction Book-

SWBS Group 233-625, SWBS 561, Section A, Steering System (52314-52315)

Coast Guard Technical Publication (TP) 4934, SWBS 074, Mar 2015, Small Boat Diagrams for Hotwork

Coast Guard Technical Publication (TP) 4934, SWBS 074, Mar 2015, Small Boat Diagrams for

Coast Guard Technical Publication (TP) 52 MLB-1553--A, Boat Information Book

Hotwork

Not applicable

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

Requirements

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2018, General

Requirements

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2014, Welding and

Allied Processes

Surface Forces Logistics Center Standard Specification 5000 (SFLC Std Spec 5000), 2014, Auxiliary

Machine Systems

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

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

Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2018, Requirements for Preservation of Ship Structures

Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), Surface Forces Logistics Center Standard Specification 8634 (SFLC Std Spec 8634), 2018, Drydocking

Surface Forces Logistics Center Standard Specification 8635 (SFLC Std Spec 8635), 2014, Temporary

Services

OTHER REFERENCES

American National Standards Institute/American Water Works Association (ANSI/AWWA) C652, 2011, Disinfection of Water-Storage Facilities vii (Rev-0)

American National Standards Institute/NSF International (ANSI/NSF) 61, 2015, Drinking Water System

Components - Health Effects

American Society for Nondestructive Testing (ASNT) SNT-TC-1A, 2013, Recommended Practice for

Personal Qualification and Certification in Nondestructive Testing

American Society of Mechanical Engineers (ASME) B16.34, 2004, Valves-Flanged, Threaded, and

Welding End

American Society of Mechanical Engineers (ASME) B16.34, 2004, Valves-Flanged, Threaded, and

Welding End

ASTM International (ASTM) D1330, 2010, Standard Specification for Rubber Sheet Gaskets

ASTM International (ASTM) D3359, 2009, Standard Test Methods for Measuring Adhesion by Tape

Test

ASTM International (ASTM) D4138, 2013, Standard Practices for Measurement of Dry Film Thickness of Protective Coating Systems by Destructive, Cross-Sectioning Means

ASTM International (ASTM) D5363, 2016, Standard Specification for Anaerobic Single-Component

Adhesives (AN)

ASTM International (ASTM) F992, 2006, Standard Specification for Valve Label Plates

Commercial Item Description (CID) A-A-59313, Nov 2003, Thread Compound; Anti-seize, Zinc Dust-

Petrolatum

Commercial Item Description (CID) A-A-59316, Nov 2003, Abrasive Materials for Blasting

Federal Standard (FED-STD) 595, 2008, Colors Used in Government Procurement

International Standard For Organization (ISO) 484/2, 1981, Shipbuilding - Ship Screw Propeller -

Manufacturing tolerances - Part 2: Propellers of Diameter Between 0.80 and 2.50m, Inclusive

Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-61, 2003 Edition, Pressure Testing Of Steel Valves

Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-61, 2009 Edition, Pressure Testing Of Steel Valves

Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-67, 2002 Edition, Butterfly Valves

Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-72, 1999 Edition, Ball Valves with Flanged or Butt-Welding Ends for General Service

Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-72, 1999 Edition, Ball Valves with Flanged or Butt-Welding Ends for General Service

Manufacturers' Standardization Society of the Valve and Fittings Industry (MSS) SP-80, 2003 Edition, Bronze Gate, Globe, Angle and Check Valves

Manufacturers' Standardization Society of the Valve and Fittings Industry (MSS) SP-80, 2008 Edition, Bronze Gate, Globe, Angle and Check Valves

MIL-A-18001, May 2005, Anodes, Sacrificial Zinc Alloy (Commercially Accepted - ASTM B418)

MIL-DTL-1222, Dec 2000, Studs, Bolts, Screws and Nuts for Applications Where a High Degree of

Reliability Is Required

MIL-G-24716A, Apr 1993, Gaskets, Metallic-Flexible Graphite, Spiral Wound

MIL-PRF-16173, Sep 2006, Corrosion Preventive Compound, Solvent Cutback, Cold-Application

MIL-S-45180, 1998; Sealing Compound, Gasket, Hydrocarbon Fluid and Water Resistant

Naval Sea Systems Command (NAVSEA) Underwater Ship Husbandry Manuals (UWSH) S0600-AA-

PRO-160, Jan 2011, Chapter 16, Cofferdams viii (Rev-0)

Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) C6183, 2007, Cork and

Rubber Composition Sheet; For Aromatic Fuel and Oil Resistant Gaskets

Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) C6183, 2013, Cork and

Rubber Composition Sheet; for Aromatic Fuel and Oil Resistant Gaskets

Society of Automotive Engineers (SAE) Aerospace Material Specification (AMS) G-6032, 2014 Grease, Plug Valve, Gasoline and Oil Resistant, NATO Code Number G-363, Metric

The Society for Protective Coatings (SSPC) Surface Preparation Specification No.1 (SSPC-SP 1), 2015, Solvent Cleaning

The Society for Protective Coatings (SSPC), January 2015, Paint Application Specification No. 2 (PA-2), Procedure for Determining Conformance to Dry Coating Thickness Requirements

The Society for Protective Coatings (SSPC)/NACE International (NACE) Joint Surface Preparation

Standard SSPC-SP 7/NACE No.4, 2007, Brush-Off Blast Cleaning

The Society for Protective Coatings (SSPC)/NACE International (NACE) Joint Surface Preparation

Standard SSPC-SP WJ-4/NACE WJ-4, 2012, Waterjet Cleaning of Metals – Light Cleaning ix (Rev-0)

CONSOLIDATED LIST OF GOVERNMENT-FURNISHED PROPERTY

The following is a list of property, which the Government will furnish. This list supersedes any other material obligations indicated or implied by referenced drawings.

This section is not applicable to this package.

x (Rev-0)

CONSOLIDATED LIST OF CRITICAL INSPECTION ITEMS

The following is a list of work items, which contain Critical Inspection reports, which the Contractor must complete within the first 25% of the availability contract period (see SFLC Std Spec 0000, paragraph 3.2.6.5

(Inspection report particulars)):

Work

Item Title

2 Hull Plating (Side Scan), Ultrasonic Testing

4 U/W Body, Preserve (100%)

11 Propulsion Shafting; Remove, Inspect, and Reinstall

12 Propulsion Shaft Bearings (External), Renew

17 Sea Strainers - Duplex (All Sizes), Overhaul

18 Sea Strainers - Simplex (All Sizes), Clean and Inspect

22 Rudder Assembly; Remove, Inspect And Reinstall

30 Bilges, Preserve xi (Rev-0)

PRINCIPAL CHARACTERISTICS

52' MLB, MOTOR LIFE BOAT

PHYSICAL

Length overall 52' 0"

Beam, over rub rails 14' 6"

Operating displacement 70,900 lbs

Cargo maximum 6,300 lbs

Full load displacement 77,200 lbs

Draft at operating displacement 6' 1"

Draft at full load displacement 6' 3"

Hoisting weight 70,000 lbs

Installed hoisting gear none

MACHINERY

Engine details (2) GM 6-71, 170 SHP each @1800 RPM 3:1 Reduction

Electrical system 24 Volt DC

Propeller details Hulls 52313, 52315 have 36" dia. x 30" pitch props

Hulls 52312, 52313 have 36" dia. x 25" pitch props

Shaft alignment tolerances 0.004" face to face 12, 3, 6 & 9 o'clock positions

HULL

Hull material Steel

Superstructure material 5086 Aluminum

Frame spacing 2' 0"

PERFORMANCE

Maximum speed at sea state 0 11 knots

Cruise speed at sea state 2 11 knots

Fuel capacity (diesel) 1,052 gals.

Range at cruise, sea state 0 495 NM

1 (Rev-0)

00000_0618_FLT

REC_00000_FLT_Boats @ Commercial Facility (0914)

General Requirements

1. SCOPE

1.1 Intent. This standard specification invokes general requirements for conducting boat repairs performed at a commercial contractor’s facility for Coast Guard vessels.

1.2 Term interchangeability. The terms 'Contractor', 'CG Yard', 'NAVSTA EVERETT', 'shipyard', 'Base', and

'Coast Guard Industrial' are used interchangeably in this specification. Where the primary service provider is

Coast Guard personnel, references to contractor and other noted descriptors within this specification or within drawings, publications, SFLC Standard Specifications or other commercial and military references are deemed the same as prime service provider.

2. REFERENCES

COAST GUARD DRAWINGS

None

COAST GUARD PUBLICATIONS

Coast Guard Commandant Instruction(COMDTINS) M10360.3 (series), Coatings and Color Manual

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

None

3. REQUIREMENTS

3.1 General. The Contractor shall conform to all requirements specified in SFLC Std Spec 0000 and in this item, as applicable, during the performance of this availability.

NOTE

The requirements of paragraph 3.1 (General) applies to all work under the scope of this contract, whether explicitly stated in work items or not, and to all other work subsequently authorized by changes, modifications, or extensions to the contract.

2 (Rev-0)

3.2 Contractor-provided fire watch personnel. The Contractor shall provide fire watch personnel and equipment.

3.2 Fire watch requirements. The Contractor shall refer to 3.3.1.3 (Fire watch requirements) of SFLC Std Spec

0000, in accomplishing the following task:

Provide fire watch personnel and fire extinguishers for the duration of the availability period, during and beyond noted Coast Guard fire watch support.

3.3 Preservation requirements. The Contractor shall accomplish all preservation tasks, including touch-ups, in accordance with SFLC Std Spec 6310.

3.3.1 Brand name approval. Ensure that all contractor-furnished coatings are in accordance with SFLC Std Spec

6310, Appendix C (Authorized Coatings for Use on Cutters and Boats).

3.3.2 Coating colors and system color schemes. Ensure that all colors and color coat/paint schemes are in accordance with COMDTINST M10360.3, Chapter 6 (Cutter and Boat Colors Exterior and Interior).

NOTE

Unless a waiver has been granted (in writing) by the KO, deviations from authorized coatings (listed in Appendix C of SFLC Std Spec 6310) and colors and color schemes

(provided in Chapter 6 of COMDTINST M10360.3) are strictly prohibited.

3.4 Welding and brazing requirements. The Contractor shall perform all welding and allied processes, and NDE in accordance with SFLC Std Spec 0740.

3.5 Environmental protection requirements. The Contractor shall adhere to the following environmental protection requirements in accordance with the SFLC Stand Spec 0000:

3.5.1 Contractor operated (non USCG) facilities. The Contractor shall provide and maintain environmental protection as defined in SFLC Std Spec 0000 Appendix A, Requirements for Environmental Protection at

Contractor Operated (Non USCG) Facilities, as applicable, during the performance of this availability. Contractor shall plan for and provide environmental protective measures to control pollution that develops during normal practice, as well as plan for and provide environmental protective measures required to correct conditions that develop during the project. Contractor shall comply with applicable Federal, state, and local laws, codes, ordinances, and regulations in their entirety. Any reference to a specific portion of a Federal, state, or local law, code, ordinance, or regulation in this or any other item shall not be construed to mean that relief is provided from any other sections of the law, code, ordinance, or regulation.

3.5.2 Test and procedures. The Contractor shall be required to promptly conduct tests and procedures for the purpose of assessing whether operations are in compliance with applicable Environmental Laws. Analytical work shall be done by qualified laboratories; and where required by law, the laboratories shall be certified.

3.5.3 Regulatory notifications. The Contractor shall be responsible for all regulatory notification requirements in accordance with Federal, State and local regulations. In cases where the Coast Guard must also provide public notification, such as storm water permitting, the Contractor must coordinate with the Contracting Officer or COR, and if work is being performed at a USCG Facility, the local Facility Engineer or Engineering Officer. The

Contractor shall submit copies of all regulatory notifications to the Contracting Officer and the local Facility

Engineer or Engineering Officer prior to commencement of work activities. Regulatory notifications shall be provided for including but not limited to demolition, renovation, National Pollutant Discharge Elimination System

(NPDES) defined site work, and remediation of controlled substances such as asbestos, hazardous waste, and lead paint.

3 (Rev-0)

3.5.4 Environmental manager. The Contractor shall appoint in writing an Environmental Manager for the project, and shall be responsible for coordinating Contractor compliance with Federal, State, local, and station environmental requirements. The Environmental Manager shall ensure compliance with Hazardous Waste

Program requirements, including hazardous waste handling, storage, manifesting, and disposal; implement the

Contractors’ Environmental Management Plan; ensure that all environmental permits are obtained, maintained, and closed out; ensure compliance with Storm Water Program Management requirements; ensure compliance with Hazardous Materials including storage, handling, and reporting requirements; as well as coordinate any remediation of regulated substances such as lead, asbestos, and polychlorinated biphenyl (PCB). This may be a collateral position; however the individual must be trained to accomplish the following duties; ensure waste segregation and storage compatibility requirements are met; inspect and manage Satellite Accumulation areas;

ensure only authorized personnel add wastes to containers; ensure all Contractor personnel are trained in 40 CFR requirements and individual position requirements; coordinate removal of waste containers; and maintain the

Environmental Records binder and required documentation, including environmental permits compliance and close-out.

3.5.5 HW disposal. Contractor shall comply with SFLC Std Spec 0000 Appendix A, Requirements For

Environmental Protection At Contractor Operated (Non USCG) Facilities for HW disposal.

3.6 Local Policy.

3.6.1 Coast Guard turn-over preparation. The Contractor shall be aware that, upon arrival, after haul out, and prior to departing the Contractor’s facility, the Coast Guard crew shall be allowed to accomplish various tasks in preparation for the turn-over of the boat to the Contractor. The following conditions apply to this paragraph:

3.6.1.1 The Coast Guard requires a maximum of three days at the beginning of the contract, and three days at the end to accomplish various tasks.

3.6.1.2 The Contractor may commence/continue work during these time frames.

<<APM Note: Paragraph 3.6.1.3 pertains to 47’ MLB only. For all other SBPL assets delete this paragraph.>>

3.6.1.3 Coast Guard personnel will disconnect the Detroit Diesel Electronic Control (DDEC) System and any other electronic equipment, as required to avoid damage to systems arising from hotwork on the vessel during the availability.

3.6.1.4 Coast Guard personnel will remove the transducers after initial haul-out and reinstall prior to re-floating the vessel.

3.6.1.5 The Unit will contact the servicing ESD or ESU to setup removal/installation of the transducer if Unit personnel are unable to accomplish this task.

3.7 SFLC standard specification approved changes. The Contractor shall be aware that the following are approved changes to published SFLC 2018 Edition Standard Specifications and supersede published content:

None.

4 (Rev-0)

4. NOTES

4.1 QA inspection forms. QA inspection forms (QA-1 thru QA-5), required in SFLC Std Spec 6310 to be completed and submitted during preservation of “critical-coated surfaces”, are provided at the end of this document.

5 (Rev-0)

QA-1 - QUALITY ASSURANCE INSPECTION FORM

(PRESERVATION CHECKLIST)

VESSEL NAME HULL # WORK ITEM

WORK ITEM TITLE

LOCATION OF WORK (INCL. FRAME #’S) AREA (SQFT)

CHECKPOINT 1 – COATING SYSTEM COMPLIANCE

Ensure all coatings are in compliance with SFLC Std Spec 6310, Appendix C.

CHECKPOINT 2 - PAINT STORAGE

Ensure all coatings are kept at a temperature of 65 to 85°F at all times, unless otherwise specified by the coating mfgr.

CHECKPOINT 3 - AMBIENT CONDITIONS

Ensure surface and surrounding temperatures are each between 50 and 90°F for water-containing coatings, and 35 and 95°F for other coatings, unless otherwise specified by the coating manufacturer(s).

Ensure maximum relative humidity (RH) is as follows, from surface preparations through final curing of topcoat: 50% for tanks, voids, and vent plenum; and 85% for all other areas, unless otherwise specified by manufacturer(s).

Ensure surface temperature is at least 5°F above the dew point, unless otherwise specified by the coating mfgr.

CHECKPOINT 4 - PRE-SURFACE PREPARATION

Remove surface contaminants (soluble salts, loose rust, mud, and marine growth) with low pressure fresh water wash down (maximum 5,000 psi). If oil and grease are present, perform solvent cleaning, as per SSPC SP-1.

Verify equipment setup, blast media, and surface preparation methods match designated test coupon.

CHECKPOINT 5 - SURFACE PREPARATION

Verify environmental conditions (see CHECKPOINT 3).

Ensure cleanliness of prepared surface is as per specification (i.e.: SSPC SP-11, SP-10, SP WJ-2…).

Verify surface anchor profile using ASTM D4417-Methods B or C against SFLC Std Spec 6310. Conduct profile readings at a minimum of 5 locations for the first 1000-sqft area, and 2 locations for each succeeding 1000-sqft area.

Measure soluble salt conductivity in accordance with SSPC-Guide 15. Conduct 5 measurements per each 1000-sqft area (max. threshold: 70 microsiemens/cm for non-submerged surfaces, 30 microsiemens/cm for submerged surfaces).

CHECKPOINT 6 - PRIMER COAT APPLICATION

Verify environmental conditions (see CHECKPOINT 3).

Verify proper mixing and stand-in (induction) times.

Ensure no paint is applied when the temperature is expected to drop to freezing before the paint has dried.

Ensure surfaces are completely dry, unless otherwise allowed by the coating manufacturer(s).

Verify wet film thickness (WFT) at random, to prevent under or over application. Verify final DFT.

Brush out all runs, sags, drips, and puddles.

Perform visual inspection for holidays and other defects.

CHECKPOINT 7 – STRIPE COAT APPLICATION

Verify environmental conditions (see CHECKPOINT 3).

Ensure overcoating window is as per manufacturer’s instructions.

After primer coat (mist coat after inorganic zinc), brush-apply un-thinned coat of same primer paint over edges, weld seams, cut-outs, and areas of complex geometries @ 3-4 mils wet film thickness (WFT).

CHECKPOINT 8 – TOP COAT APPLICATION

Verify environmental conditions (see CHECKPOINT 3).

Ensure overcoating window is as per manufacturer’s instructions.

Verify proper mixing and stand-in (induction) times, as applicable.

Verify wet film thickness at random, to prevent under or over application.

Brush out all runs, sags, drips, and puddles.

CHECKPOINT 9 – FINAL INSPECTION

Verify final system dry film thickness. Conduct 5 sets of 3 readings for each of the first 3 100-sqft areas, followed by 5 sets of 3 readings for each succeeding 1000-sqft area.

Ensure that system cure is in accordance with manufacturer's recommendation for intended service.

Ensure potable water tank exhaust ventilation is maintained continuously from and during coating application through final system cure, to exhaust all solvent to the atmosphere and to prevent solvent entrapment.

For immersion coatings (including tank U/W body), record date and time of the following events:

Final coat application: _____/_____; Return to service or removal from environment controls: _____/_____

CHECKPOINT 10 – RECORD KEEPING

Complete, sign, and submit all provided QA Inspection Forms.

NAME OF QP-1/NACE INSPECTOR SIGNATURE CERT. # DATE / TIME

6 (Rev-0)

QA-2 - QUALITY ASSURANCE INSPECTION FORM

(ENVIRONMENTAL READINGS)

VESSEL NAME HULL #

WORK ITEM

Use one sheet for each activity. Record conditions every four hours from before surface preparation to application of final coating system coat.

DATE

TIME

ACTIVITY (SURFACE

PREPARATION, PRIMER COAT,

BARRIER COAT, TOP COAT,

ETC…)

LOCATION (FRAME &

DECK, RELATION TO

EQUIPMENT, ETC.)

TEMPERATURE % REL.

HUMID-

ITY

DEW

PT.

SURFACE AMBIENT ΔT

| DP -

SURFACE |

NAME OF QP-1/NACE INSPECTOR SIGNATURE CERT. # DATE / TIME

7 (Rev-0)

QA-3A - QUALITY ASSURANCE INSPECTION FORM

(SURFACE PROFILE LOG FOR PROFILE MEASUREMENTS IAW ASTM D4417-METHOD-C)

VESSEL NAME HULL # WORK ITEM

SURFACE PREPARATION METHOD PROFILE ACHIEVED (MILS)

MIN MAX MEAN

SSPC-SP-10/NACE No. 2

SSPC-SP WJ-1/NACE WJ-1

SSPC-SP WJ-2/NACE WJ-2

SSPC-SP WJ-3/NACE WJ-3

SSPC-SP WJ-4/NACE WJ-4

SSPC-SP-3

SSPC-SP-11

SSPC-SP-11 (inaccessible area)

Brush-blasting (non-metallic substrate)

ABRASIVE MANUFACTURER: ABRASIVE SIEVE SIZE:

PLACE SURFACE PROFILE REPLICA TAPES IN THE SPACES PROVIDED BELOW, TO SERVE AS

PERMANENT QA RECORD. MAINTAIN A SEPARATE LOG FOR EACH LOCATION. WHEN AN AREA IS

DIVIDED INTO SEPARATE SECTIONS, MAINTAIN A SEPARATE LOG FOR EACH SECTION.

Place Surface Profile

Replica Tape Here

Place Surface Profile

Replica Tape Here

Place Surface Profile

Replica Tape Here

Reading (mils): Reading (mils): Reading (mils):

Place Surface Profile

Replica Tape Here

Place Surface Profile

Replica Tape Here

Place Surface Profile

Replica Tape Here

Reading (mils): Reading (mils): Reading (mils):

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

Reading (mils): Reading (mils): Reading (mils):

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

Place Surface Profile Replica Tape Here

Reading (mils): Reading (mils): Reading (mils):

Place Surface Profile

Replica Tape Here

Place Surface Profile

Replica Tape Here

Place Surface Profile

Replica Tape Here

Reading (mils): Reading (mils): Reading (mils):

MEAN MIL READING (IAW ASTM D4417-METHOD C) FOR ABOVE 15 READINGS:

NAME OF QP-1/NACE INSPECTOR SIGNATURE CERT. # DATE /

TIME

8 (Rev-0)

QA-3B - QUALITY ASSURANCE INSPECTION FORM

(SURFACE PROFILE LOG FOR PROFILE MEASUREMENTS IAW ASTM D4417-METHOD-B)

VESSEL NAME HULL # WORK ITEM

SURFACE PREPARATION METHOD PROFILE ACHIEVED (MILS)

MIN MAX MEAN

SSPC-SP-10/NACE No. 2

SSPC-SP WJ-1/NACE WJ-1

SSPC-SP WJ-2/NACE WJ-2

SSPC-SP WJ-3/NACE WJ-3

SSPC-SP WJ-4/NACE WJ-4

SSPC-SP-3

SSPC-SP-11

SSPC-SP-11 (inaccessible area)

Brush-blasting (non-metallic substrate)

ABRASIVE MANUFACTURER: ABRASIVE SIEVE SIZE:

RECORD MEASUREMENTS TAKEN IN THE SPACES PROVIDED BELOW, TO SERVE AS PERMANENT QA

RECORD. MAINTAIN SEPARATE LOG FOR EACH LOCATION. WHEN AN AREA IS DIVIDED INTO

SEPARATE SECTIONS, MAINTAIN A SEPARATE LOG FOR EACH SECTION.

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Reading (mils):

Mean Reading

(mils)

Mean Reading (mils) IAW ASTM DD4417).

9 (Rev-0)

QA-4 - QUALITY ASSURANCE INSPECTION FORM

(SURFACE SOLUBLE SALT CONDUCTIVITY LOG)

VESSEL NAME HULL # WORK ITEM

SOLUBLE SALT CONDUCTIVITY MEASUREMENTS IAW SSPC-GUIDE 15.

DATE TEST LOCATIONS CONDUCTIVITY (MICROSIEMENS/CM)

10 (Rev-0)

QA-5 - QUALITY ASSURANCE DATA FORM

(COATING THICKNESS)

(Use one sheet for each sequence)

VESSEL NAME HULL #

WORK ITEM

COATING MFG PRODUCT NAME

BATC

H #

INDUCTI

ON TIME

COATING SYSTEM

SEQUENCE

(PRIMER/TOUCHUP/3RD

COAT, ETC.)

DRY FILM THICKNESS (DFT) MEASUREMENTS IAW SSPC-PA 2.

SPOT 1 2 3 4 5

AVERAGE

VALUE

*BASE METAL READING

(BMR) Required, If Magnetic

Pull-Off (Type I/Banana) Gauge Is

Used.

LOCATION (FRAME REFERENCE):

SPOT 1 2 3 4 5 OVERALL AVG. DFT ADJUSTMENTS

1 AVG. BMR DEVIATION

3 BEFORE ADJUSTMENTS AFTER ADJUSTMENTS

AVG.

1 AVG. BMR DEVIATION

1 AVG. BMR DEVIATION

APPLICATION METHOD (AIRLESS,

CONVENTIONAL SPRAY, ROLLED)

AVERAGE DFT

11 (Rev-0)

07400_AKP_0418_BOAT_FLT

WORK ITEM 1: General Welding, Provide

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to provide general welding.

TABLE 1- GENERAL WELDING

ITEM DESCRIPTION LOCATION

Mooring bits are too short and need to be extended (approx 2-3").

Contractor shall extend all mooring bits 03 inches.

Main Deck

Hauser/tow reel pipe needs to be shifted 180. Pipe needs to be cropped off, rotated 180 and welded back on.

Most of the screw holes for the engine room deck plates frame rail are stripped beyond unit repair. Recommend contractor weld up existing deck plate screw holes and re-tap. Clad weld up to 40 square inches.

Engine Room

04 Stanchions/handrails have been bent on the Port Side.

Contractor Shall straighten 04 stanchions on the port side. Site visit is highly recommended for bidding purposes. Please see photos below

Main Deck/Port Side

12 (Rev-0)

Photo 1

13 (Rev-0)

Photo 2

1.2 Government-furnished property.

14 (Rev-0)

2. REFERENCES

COAST GUARD DRAWINGS

None

COAST GUARD PUBLICATIONS

Coast Guard Technical Publication (TP) 4934, SWBS 074, Mar 2015, Small Boat Diagrams for

Hotwork

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

None

3. REQUIREMENTS

3.1 General.

3.1.1 CIR.

None.

3.1.2 Tech Rep.

Not applicable.

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).

3.2 Requirement. The Contractor shall provide general welding, including but not limited to, fabrication, brazing, inspection, plate renewal, crack repair, overlay, and associated processes on Coast Guard vessels and equipment in accordance with TP 4934 and SFLC Std Spec 0740.

3.3 Bidding. The Contractor shall ensure for bidding purposes this specification will be broke down by the following:

One linear foot of welding/brazing.

15 (Rev-0)

Four square inches of clad/overlay welding.

One hour of fabrication.

One square foot of plate renewal.

TABLE 1 – PLATE TYPE

STEEL PLATE ALUMINUM PLATE

THICKNESS WEIGHT

PER SQFT.

TYPE/GRADE THICKNESS WEIGHT

PER SQFT

TYPE/ALLOY

3/16 (.1875) 7.66 lb

1/4 (.250) 10.21 lb 1/4 (.250) 3.53 lb

5/16 (.3125) 12.76 lb 5/16 (.3125) 4.41 lb

3/8 (.375) 15.31 lb 3/8 (.375) 5.29 lb

1/2 (.500) 20.42 lb 1/2 (.500) 7.06 lb

3.4 Touch-up preservation, general. The Contractor shall prepare and coat all new and disturbed exterior and interior surfaces, as applicable, to match existing adjacent surfaces in accordance with SFLC Std

Spec 6310, paragraph 3.1.13 (Touch-ups and minor coating repairs.)

This section is not applicable to this work item.

16 (Rev-0)

11000_SideScan_0617_FLT

REC_11000_Side_Scan_FLT_52’ MLB (ALL) (0619)

WORK ITEM 2: Hull Plating (Side Scan), Ultrasonic Testing

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to perform thickness measurements of underwater (u/w) hull plating by ultrasonic side scan method.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 52 MLBS 0700-001, Rev B, Docking Plan

Coast Guard Drawing 52 MLBS 1103-001, Rev G, Shell Plating, Longitudinal Framing and

Webs

COAST GUARD PUBLICATIONS

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

OTHER REFERENCES

American Society for Nondestructive Testing (ASNT) SNT-TC-1A, 2013, Recommended

Practice for Personal Qualification and Certification in Nondestructive Testing

3. REQUIREMENTS

3.1 General.

3.1.1 CIR. The Contractor shall submit a CIR for the inspections listed in the following paragraph(s):

3.2 Side scan requirements and procedures.

3.1.2 Tech Rep.

17 (Rev-0)

Not applicable.

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 following:

Hull zinc anode system

Docking blocks.

3.2 Work coordination and preparation. The Contractor shall plan all specified vessel work detailed in this specification package to ensure the side scan survey does not necessitate a work stoppage. The Contractor shall abide by the following guidance, to facilitate the ultrasonic survey:

Ensure that all u/w body surface preparation and primer coat application tasks are completed within ten days of lifting the vessel.

Provide a continuous supply of fresh water at .50 gpm within 50 feet of the vessel with standard hose bib fitting.

Provide 110 VAC electrical power, and scaffolding or other suitable means of access to bring inspection personnel within one foot of all the body surface inspection areas that are five feet above ground level.

After completion of the hull survey, and authorized hull repairs, resume/complete u/w body preservation process by applying the second coat of the anti-corrosive coating system, and all anti-fouling paint coats.

Pay close attention to manufacturer’s recommended practices in regards to paint system overcoat time limitations and required degree of surface cleanliness prior to resuming u/w body coating application.

3.3 Side scan requirements and procedures. The Contractor shall ensure the following referring to the

Coast Guard drawings listed in Section 2 (References) herein as guidance during the performance of the tasks specified below and submit a CIR.

3.3.1 Testing company and personnel. Provide the services of a qualified ultrasonic testing company, with suitable side scan equipment, to conduct a “Scanning Crawler Automated Test” of the vessel’s u/w hull plating for the presence of metal corrosion and deterioration. Ensure the following:

All scanning operations are completed by personnel meeting the personnel qualification and certification, as required by contractor process. This contractor developed personnel qualification and certification process must meet, at a minimum, ASNT Recommended

Practice No. SNT-TC-1A.

An SNT Level III Analyst is on site, to oversee the project and evaluate the collected data.

An SNT Level III or II Analyst is on site, to verify with a hand held gauge all areas on the hull identified as thinner than the specified criteria, in order to expedite all repair procedures.

Qualified personnel are provided to complete all on-site corrosion inspections.

3.3.2 Coast Guard notification. Accomplish all required tasks within 10 calendar days of the start of the

18 (Rev-0) availability.

3.3.2.1 Provide a daily update to the COR on all areas inspected and potential issues or schedule changes.

3.3.2.2 Notify the COR at least 3 days prior to completion for an onsite review of readings and repair areas.

3.3.3 Scanning parameters. Use the following parameters during the course of this inspection:

Automated scanning resolution shall be set to 0.5” x 0.5”

Plates where scan data indicating wastage greater than or equal to 25% nominal plate thickness shall be highlighted in “RED” and designated “repair areas”.

Plates where scan data indicating wastage greater than or equal to 15% to 24% of nominal plate thickness shall be highlighted in “YELLOW”.

Plates where scan data indicating wastage greater than or equal to 10% to 14% of nominal plate thickness shall be highlighted in DARK GREEN.

Hand held UT readings shall be taken to verify bad metal areas found with the side scan equipment. All readings shall be provided to the COR and the lowest reading marked on the hull at the bad metal location.

Areas that are accessible but cannot be reached by the automated scanner shall be scanned with a hand-held meter at a resolution of 2” x 2”. Any repair areas found during the hand scan shall be marked on the ship's hull and their approximate positions recorded on the plate drawings and report summary..

3.3.3.1 Any scanning parameter or scope of work changes must be approved by the KO.

3.3.3.2 The echo to echo transducer is not authorized due to inconsistent readings and technical difficulties.

3.3.3.3 There shall be no deviation from the color scheme specified above.

3.3.4 Ensure that the side scan inspection area includes the Port, Starboard, and Transom exterior shell plate below the water line, but shall exclude the following list.

Areas under and within 6-inches of blocks and side blocks (areas that are accessible 6 inches from blocks and side blocks must be hand scanned.)

Areas up to 6-inches around any obstacle on the hull including sea suctions, discharges, rudderposts, knuckle, bow stem, stabilizer tubes, and stern tubes, as applicable.

Any areas blocked by immovable scaffolding or shipyard activity.

3.4 Side scan reports. The Contractor shall submit to the COR a final report within 3 working days after the side scan inspection is completed. A copy of all repair areas shall be clearly marked, in yellow or white, on the provided shell plate drawing(s), and provide a summary document of same areas. Submit two hard copies of the report with two CD’s containing the electronic (raw) data, as part of the CIR submission prior to departing the job site. Ensure the reports include:

Inspection overview.

Data sheets for each plate with designated repair areas outlined in blue.

Mosaic of scanned data overlaid on Coast Guard Drawing 52 MLBS 1103-001.

19 (Rev-0)

3.4.1 Photos. Provide digital photos of all designated repair areas.

3.4.2 Electronic files. Ensure CD’s contain a complete copy of the report, interactive data files, and digital pictures. All electronic files shall be compatible with standard USCG workstation operating software.

Electronic files format shall be such that the CG has the capability to change the percent of wastage

(format conditioning) per plate. Electronic files shall be capable of being opened using MS Word, MS

Excel, or PDF software. Digital pictures shall be recorded in JPEG format.

20 (Rev-0)

11000_1016_FLT

REC_11000_UWHIB_FLT_52’ MLB (ALL) (0619)

WORK ITEM 3: Hull Plating (U/W Body), Inspect

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to inspect/survey the vessel’s

Under Water (U/W) hull plating, including U/W appendages and coating system.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 52 MLBS 0700-001, Rev B, Docking Plan

Coast Guard Drawing 52 MLBS 1103-001, Rev G, Shell Plating, Longitudinal Framing and

Webs

Coast Guard Drawing 52 MLBS 1103-002, Rev G, Keel and Skeg

COAST GUARD PUBLICATIONS

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

OTHER REFERENCES

ASTM International (ASTM) D4138, 2013, Standard Practices for Measurement of Dry Film

Thickness of Protective Coating Systems by Destructive, Cross-Sectioning Means

The Society for Protective Coatings (SSPC), January 2015, Paint Application Specification No. 2

(PA-2), Procedure for Determining Conformance to Dry Coating Thickness Requirements

3. REQUIREMENTS

3.1 General.

3.1.1 CIR.

21 (Rev-0)

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).

3.2 Inspection. The Contractor shall accompany the Underwater Hull Inspection Board (UWHIB) in the performance of the below inspection tasks, as applicable, using the drawings listed in Section 2

(References) as guidance. The Contractor shall provide the following, to facilitate the UWHIB in assessing the condition of the designated U/W hull components and systems:

A hull repair supervisor and a marker.

Temporary staging and other necessary equipment, as applicable, for ensuring safe access to all areas of the U/W hull.

NOTES

1. The COR will convene the UWHIB as soon as possible after the vessel has been dry-docked and before any work (except U/W hull cleaning/wash down) is performed on the U/W hull and appendages.

2. Some of the components and/or systems addressed in this work item may not be applicable to all vessel classes.

3.2.1 Hull plating. Inspect the condition of the hull plating (including thruster tunnel plating, as applicable), for the presence of marine growth, deformation, and any evidence of major corrosion or electrolytic action.

3.2.1.2 Inspect the hull and keel areas, report on the condition of butt-welded seams, doubler plates, lap seams, and for any signs of damaged plating or unusual waviness in the plating.

3.2.2 Sea chests and all other cooling system intake components. Inspect all sea chests, sea beam arrays, tunnels, hull openings, and grates for general appearance, loose, damaged, or missing grates, loose or missing fasteners, condition of sea strainers and lockwire on bolts, marine growth on grating slots, and any obstructions in the openings that might prevent proper suction and discharge of water.

3.2.3 Rudders. Check general condition, condition around the drain plugs, and check for pitting, if any, on the leading and trailing edges.

3.2.4 Propeller and shaft associated components. Inspect the condition of propellers for signs of corrosion, pitting, erosion, fouling, cracks, dings, and nicks by side and blade; inspect fairwaters, rope guards, shafts, and mechanical seals - look for missing screws, physical damage to the blades, pitting, condition of dunce caps, and condition of securing devices.

3.2.5 Transducers. Check general condition for cuts, cracks, corrosion, and surface defects around the openings. Check transducer securing nuts for tightness, and inspect cables for chafing and other damage.

22 (Rev-0)

3.2.6 Zinc anodes. Remove all marine growth and oxide coating from all hull, rudder, shaft strut, sea chest, sea beam array, z-drive, and thruster tunnel zinc anodes, or water jet drives anodes, as applicable, using a light-wire brush.

3.2.6.1 Visually inspect all zinc anodes; check the soundness of mounting strap and stud welds, missing fasteners, and percentage of remaining material.

3.2.7 Coating system inspections. Accomplish the below inspections, in conjunction with the underwater hull inspection conducted by the Underwater Hull Inspection Board (UWHIB).