18-2404_SOW-7UB323_WPB_DIVE_SERVICES.docx

USCG WPB & WPC CUTTERS

SPECIFICATION FOR DIVE SERVICES

FY2017

Developed By:

(Rev-1, 14 November 2016)

TABLE OF CONTENTS

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.

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.

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 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 – as follows:

· MIL/DOD/CID Specifications: http://www.assistdocs.com/search/search_basic.cfm

· Commandant Instruction Manuals: http://www.uscg.mil/directives/default.asp

· Public Laws, Code of Federal Regulations, U.S Codes, and other Federal Government laws:: www.gpoaccess.gov The Government is aware of the following internet web links where contractors may procure commercial specifications:

· American Welding Society (AWS): http://www.awspubs.com/index.php

· ANSI, ASTM, IEEEE, NFPA, ASME, SAE Standards: http://www.techstreet.com/

· NFPA: http://www.nfpa.org

· SSPC Standards and pictorial guides: http://shopping.netsuite.com/sspcmarketplace

COAST GUARD DRAWINGS

87 WPB Drawings Coast Guard Drawing 87 WPB 085-013, Rev B, Docking Plan Coast Guard Drawing 87 WPB 111-001, Rev G, Shell Expansion Coast Guard Drawing 87 WPB 161-001, Rev C, Skeg Construction Coast Guard Drawing 87 WPB 163-001, Rev H, Sea Chest Details Coast Guard Drawing 87 WPB 165-001, Rev F, Transducer Details Coast Guard Drawing 87 WPB 245-003, Rev A, Propeller Details Coast Guard Drawing 87 WPB 562-001, Rev A, Rudder Details 154 WPC Drawings Coast Guard Drawing 154 WPC 111-301, Rev A, Shell Expansion Coast Guard Drawing 154 WPC 161-301, Rev B, Skegs and Stern Tubes Support Structures Coast Guard Drawing 154 WPC 195-301, Rev 4, Hull Module Breakdown Coast Guard Drawing 154 WPC 562-202, Rev B, Rudder Arrangement & Details Coast Guard Drawing 154 WPC 565-201, Rev -, Fin Stabilizer System A&D Coast Guard Drawing 154 WPC 568-201, Rev A, Bow Thruster System A&D Coast Guard Drawing 154 WPC 997-001, Rev -, Docking Plan

COAST GUARD PUBLICATIONS

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

OTHER REFERENCES

Code of Federal Regulations (CFR) Title 29, Part 1910, Subpart T, 2007, Commercial Diving Operations Code of Federal Regulations (CFR) Title 40, Part 1700, EPA Uniform National Discharge Standard for Vessels of the Armed Forces

EPA- Underwater Ship Husbandry Discharges, EPA 800-R-11-004, November 2011

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.

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)):

This section is not applicable to this package.

Principal Characteristics

87' WPB

Physical

Hull

Machinery

Tank Capacities

Principal Characteristics 154' WPC (Sentinel Class)

Physical

Hull

Machinery

Tank Capacities at 95% LIQUID LOAD (22,958 total Gallons)

Tank Capacities at 95% LIQUID LOAD (22,958 total Gallons)

General Requirements

1. SCOPE

1.1 Intent. This standard specification invokes general requirements for conducting the work herein for USCG Patrol Boats.

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

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

4. NOTES

This section is not applicable.

11000_UWDIVER_FLT_WPB/WPC

WORK ITEM 1: Running Gear (U/W Body) Diver’s Cleaning, Perform

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to clean the vessel’s Running Gear, while the vessel is moored pier side. Affected surfaces or components include, but are not limited to the following:

Transducer(s).

Propellers.

Rudders.

Shafts.

Sea chest(s) and strainer(s).

Stabilizing fins.

Miscellaneous appendages (examples: bilge keels, rope guards, fairwaters, fins, etc).

Hull and sea chest zinc anodes.

Bow thruster.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

87 WPB Drawings Coast Guard Drawing 87 WPB 085-013, Rev B, Docking Plan Coast Guard Drawing 87 WPB 111-001, Rev G, Shell Expansion Coast Guard Drawing 87 WPB 161-001, Rev C, Skeg Construction Coast Guard Drawing 87 WPB 163-001, Rev H, Sea Chest Details Coast Guard Drawing 87 WPB 165-001, Rev F, Transducer Details Coast Guard Drawing 87 WPB 245-003, Rev A, Propeller Details Coast Guard Drawing 87 WPB 562-001, Rev A, Rudder Details 154 WPC Drawings Coast Guard Drawing 154 WPC 111-301, Rev A, Shell Expansion Coast Guard Drawing 154 WPC 161-301, Rev B, Skegs and Stern Tubes Support Structures Coast Guard Drawing 154 WPC 195-301, Rev 4, Hull Module Breakdown Coast Guard Drawing 154 WPC 562-202, Rev B, Rudder Arrangement & Details Coast Guard Drawing 154 WPC 565-201, Rev -, Fin Stabilizer System A&D Coast Guard Drawing 154 WPC 568-201, Rev A, Bow Thruster System A&D Coast Guard Drawing 154 WPC 997-001, Rev -, Docking Plan

COAST GUARD PUBLICATIONS

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

OTHER REFERENCES

Code of Federal Regulations (CFR) Title 29, Part 1910, Subpart T, 2007, Commercial Diving Operations Code of Federal Regulations (CFR) Title 40, Part 1700, EPA Uniform National Discharge Standard for Vessels of the Armed Forces EPA- Underwater Ship Husbandry Discharges, EPA 800-R-11-004, November 2011

3. REQUIREMENTS

3.1 General.

3.1.1 CIR.

None.

3.1.2 Tech Rep.

Not Applicable.

3.1.3 Protective measures - general. 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).

3.1.5 Dive notification. The COR shall provide the Contractor 72 hours advance notice of when the diver inspection will occur. Before diving procedures are commenced, meet with the COR and the Coast Guard Inspector, to discuss diving safety requirements and the securing of cutter machinery, as applicable.

NOTE

At Contractor’s request, Ship’s force will secure and tag out the cathodic protection system, main engines, steering gear, generator set, A/C unit, fire pumps, and all other machinery which may cause a hazard while a diver is in the water.

3.2 Pre-diving requirements.

Note Requirements per 29 CFR 1910.424:

Commercial SCUBA air diving with one diver in the water requires a minimum of three dive-team members: a designated person-in-charge (DPIC) (see 29 CFR. 1910.410(c)), a standby diver (see 29 CFR 1910.424(c)(1)), and a line-tended diver (see 29 CFR 1910.424(c)(2)). Commercial SCUBA diving with two divers in the water requires a minimum of four dive-team members: a DPIC (see 29 CFR 1910.410(c)), a standby diver (see 29 CFR 1910.424(c)(1)), and two divers (see 29 CFR 1910.424(c)(2)).

3.2.1 The Contractor shall, in accordance with 29 CFR 1910.401-440, provide a certified diver and a tender team, as well as necessary support personnel and equipment, to accomplish the tasks specified herein. Upon completing all tasks, the Contractor shall inform the Coast Guard Inspector that all maintenance is complete and the hull is clear and ready for underway operations. Divers shall remain onsite until released by the Coast Guard Inspector.

WARNING

Mixed gas diving and live boating are not permitted.

3.2.2 The Contractor shall ensure that the diving team shall obtain clearance from the Officer-of-the-Deck (OOD) before beginning diving operations. Ensure the Coast Guard Inspector has capability for maintaining continuous two-way communication with diving personnel at all times, during the performance of the this work item.

3.3 Cleaning requirements. Using the drawings and references listed in Section 2 (References), the Contractor shall employ suitable means to clean the designated running gear surfaces free of all marine growth, debris, and all other surface contaminants.

3.3.1 Sea chests and other hull penetrations.

Inspect all sea chests and other hull penetrations for signs of any obstructions/marine growth in the openings that might prevent proper suction and discharge of water and remove as necessary with appropriate tools/methods.

Inspect for bare metal areas (surrounding penetrations) and for bare metal pitting.

Inspect for general appearance, loose, damaged, or missing grates, loose or missing fasteners, condition of sea strainers and lock-wire on bolts.

3.3.2 Running gear. Inspect the condition of the propellers, struts, and rudders. Note any loose or missing fasteners.

3.3.2.1 Inspect propellers for corrosion, pitting, erosion, fouling, cracks, dings, curls, and nicks, and note any found conditions. Ensure both propellers are cleaned to remove any fouling with appropriate tools/methods.

3.3.2.2 Inspect the condition of the struts, rudders, rudder stocks, and rudder bearings including any damage, pitting on leading and trailing edges of the rudder, and the presence of drain plugs. Ensure both rudders are cleaned to remove any fouling with appropriate tools/methods.

3.3.3 Transducers. Inspect the general condition all fathometers and associated fairings (if applicable). Note any cuts, gouges, or other surface defects found. Ensure all transducer surfaces are cleaned with only hand held brushes, without the use of power attachments.

3.4 Dive reports.

3.4.1 Written record. Within 24 hours of task completion, the Contractor shall provide a written CFR detailing the work accomplished by divers. The CFR shall contain photographs as required to support the written narrative.

3.4.2 Digital Images.

3.4.2.1 If required, and as directed by the Coast Guard Inspector, in addition to the written documentations specified above, produce photographs of the work areas prior to commencing work and upon completion of tasks performed.

3.4.2.2 Ensure that all digital imaging equipment has the following characteristics/functions:

Suitability for underwater use.

Auto-focus and auto-exposure.

Color pictures. (5) pics before, (5) pics after cleaning Sufficient lighting to ensure a quality color video picture and depth of field.

A yardstick or other suitable linear measuring device with clear measurement marks which can be read from the monitor.

3.4.2.3 Submit the pictures on two digital video discs (DVD) formatted to USCG requirements or electronically as an attachment via e-mail.

4. NOTES

4.1 Unit responsibilities. The ship's force will tag-out and secure the following:

All propulsion machinery and shafting, including auxiliary machinery, and all steering machinery whenever the diver is in the water.

All underwater body transducers, including the sonar equipment, for the duration of the underwater hull cleaning operation.

All active cathodic protection equipment for the duration of the hull cleaning operation.

Each sea suction while the diver is inspecting the sea suction's sea chest strainer.

11001_UWDIVER_FLT_1016_WPB/WPC

WORK ITEM 2: Hull Plating (U/W Body) Diver’s Cleaning, Perform

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to clean the vessel’s U/W body, while the vessel is moored pier side. Affected surfaces or components include, but are not limited to the following:

U/W hull plating.

U/W body coating system.

Transducer(s).

Sea chest(s) and strainer(s).

Stabilizing fins.

Miscellaneous appendages (examples: bilge keels, rope guards, fairwaters, fins, etc).

Hull and sea chest zinc anodes.

Bow thruster.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

87 WPB Drawings Coast Guard Drawing 87 WPB 085-013, Rev B, Docking Plan Coast Guard Drawing 87 WPB 111-001, Rev G, Shell Expansion Coast Guard Drawing 87 WPB 161-001, Rev C, Skeg Construction Coast Guard Drawing 87 WPB 163-001, Rev H, Sea Chest Details Coast Guard Drawing 87 WPB 165-001, Rev F, Transducer Details Coast Guard Drawing 87 WPB 245-003, Rev A, Propeller Details Coast Guard Drawing 87 WPB 562-001, Rev A, Rudder Details 154 WPC Drawings Coast Guard Drawing 154 WPC 111-301, Rev A, Shell Expansion Coast Guard Drawing 154 WPC 161-301, Rev B, Skegs and Stern Tubes Support Structures Coast Guard Drawing 154 WPC 195-301, Rev 4, Hull Module Breakdown Coast Guard Drawing 154 WPC 562-202, Rev B, Rudder Arrangement & Details Coast Guard Drawing 154 WPC 565-201, Rev -, Fin Stabilizer System A&D Coast Guard Drawing 154 WPC 568-201, Rev A, Bow Thruster System A&D Coast Guard Drawing 154 WPC 997-001, Rev -, Docking Plan

COAST GUARD PUBLICATIONS

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

OTHER REFERENCES

Code of Federal Regulations (CFR) Title 29, Part 1910, Subpart T, 2007, Commercial Diving Operations Code of Federal Regulations (CFR) Title 40, Part 1700, EPA Uniform National Discharge Standard for Vessels of the Armed Forces EPA- Underwater Ship Husbandry Discharges, EPA 800-R-11-004, November 2011

3. REQUIREMENTS

3.1 General.

3.1.1 CIR.

None.

3.1.2 Tech Rep.

Not Applicable.

3.1.3 Protective measures - general. 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).

3.1.5 Dive notification. The COR shall provide the Contractor 72 hours advance notice of when the diver inspection will occur. Before diving procedures are commenced, meet with the COR and the Coast Guard Inspector, to discuss diving safety requirements and the securing of cutter machinery, as applicable.

NOTE

At Contractor’s request, Ship’s force will secure and tag out the cathodic protection system, main engines, steering gear, generator set, A/C unit, fire pumps, and all other machinery which may cause a hazard while a diver is in the water.

3.2 Pre-diving requirements.

NOTE

Requirements per 29 CFR 1910.424:

Commercial SCUBA air diving with one diver in the water requires a minimum of three dive-team members: a designated person-in-charge (DPIC) (see 29 CFR. 1910.410(c)), a standby diver (see 29 CFR 1910.424(c)(1)), and a line-tended diver (see 29 CFR 1910.424(c)(2)). Commercial SCUBA diving with two divers in the water requires a minimum of four dive-team members: a DPIC (see 29 CFR 1910.410(c)), a standby diver (see 29 CFR 1910.424(c)(1)), and two divers (see 29 CFR 1910.424(c)(2)).

3.2.1 The Contractor shall, in accordance with 29 CFR 1910.401-440, provide a certified diver and a tender team, as well as necessary support personnel and equipment, to accomplish the tasks specified herein. Upon completing all tasks, the Contractor shall inform the Coast Guard Inspector that all maintenance is complete and the hull is clear and ready for underway operations. Divers shall remain onsite until released by the Coast Guard Inspector.

WARNING

Mixed gas diving and live boating are not permitted.

3.2.2 The Contractor shall ensure that the diving team shall obtain clearance from the Officer-of-the-Deck (OOD) before beginning diving operations. Ensure the Coast Guard Inspector has capability for maintaining continuous two-way communication with diving personnel at all times, during the performance of the this work item.

3.3 Cleaning requirements. Using the drawings listed in Section 2 (References), the Contractor shall employ suitable means to clean the designated U/W body surfaces free of all marine growth, debris, and all other surface contaminants.

3.3.1 Ensure all transducer surfaces are cleaned with only hand held brushes, without the use of power attachments.

3.3.2 Ensure that existing u/w body coating system or non-coated surfaces do not incur any damage during cleaning process.

3.4 Dive reports.

3.4.1 Written record. Within 24 hours of task completion, the Contractor shall provide a written CFR detailing the work accomplished by divers. The CFR shall contain photographs as required to support the written narrative.

3.4.2 Digital Images.

3.4.2.1 If required, and as directed by the Coast Guard Inspector, in addition to the written documentations specified above, produce photographs of the work areas prior to commencing work and upon completion of tasks performed.

3.4.2.2 Ensure that all digital imaging equipment has the following characteristics/functions:

Suitability for underwater use.

Auto-focus and auto-exposure.

Color pictures. (5) pics before, (5) pics after cleaning Sufficient lighting to ensure a quality color video picture and depth of field.

A yardstick or other suitable linear measuring device with clear measurement marks which can be read from the monitor.

3.4.2.3 Submit the pictures on two digital video discs (DVD) formatted to USCG requirements or electronically as an attachment via e-mail.

4. NOTES

4.1 Unit responsibilities. The ship's force will tag-out and secure the following:

All propulsion machinery and shafting, including auxiliary propulsion machinery such as the bow thruster, and all steering machinery whenever the diver is in the water.

All underwater body transducers, including the sonar equipment, for the duration of the underwater hull cleaning operation.

All active cathodic protection equipment for the duration of the hull cleaning operation.

Each sea suction while the diver is inspecting the sea suction's sea chest strainer.

11002_UWDIVER_FLT_WPB/WPC

WORK ITEM 3: Hull Plating (U/W Body), Diver’s Inspection, Perform

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to conduct inspection of the vessel’s U/W body, while the vessel is moored pier side. Affected surfaces or components include, but are not limited to the following, as applicable:

U/W hull plating.

U/W body coating system.

Transducer(s).

Propellers.

Rudders.

Shafts.

Sea chest(s) and strainer(s).

Stabilizing fins.

Miscellaneous appendages (examples: bilge keels, rope guards, fairwaters, fins, etc).

Hull and sea chest zinc anodes.

Bow thruster.

1.2 Government-furnished property.

None.

2. REFERENCES

Coast Guard Drawings 87 WPB Drawings Coast Guard Drawing 87 WPB 085-013, Rev B, Docking Plan Coast Guard Drawing 87 WPB 111-001, Rev G, Shell Expansion Coast Guard Drawing 87 WPB 161-001, Rev C, Skeg Construction Coast Guard Drawing 87 WPB 163-001, Rev H, Sea Chest Details Coast Guard Drawing 87 WPB 165-001, Rev F, Transducer Details Coast Guard Drawing 87 WPB 245-003, Rev A, Propeller Details Coast Guard Drawing 87 WPB 562-001, Rev A, Rudder Details 154 WPC Drawings Coast Guard Drawing 154 WPC 111-301, Rev A, Shell Expansion Coast Guard Drawing 154 WPC 161-301, Rev B, Skegs and Stern Tubes Support Structures Coast Guard Drawing 154 WPC 195-301, Rev 4, Hull Module Breakdown Coast Guard Drawing 154 WPC 562-202, Rev B, Rudder Arrangement & Details Coast Guard Drawing 154 WPC 565-201, Rev -, Fin Stabilizer System A&D Coast Guard Drawing 154 WPC 568-201, Rev A, Bow Thruster System A&D Coast Guard Drawing 154 WPC 997-001, Rev -, Docking Plan Coast Guard Publications Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2014, General Requirements Other References Code of Federal Regulations (CFR) Title 29, Part 1910, Subpart T, 2007, Commercial Diving Operations Code of Federal Regulations (CFR) Title 40, Part 1700, EPA Uniform National Discharge Standard for Vessels of the Armed Forces EPA- Underwater Ship Husbandry Discharges, EPA 800-R-11-004, November 2011

3. REQUIREMENTS

3.1 General.

3.1.1 CIR.

None.

3.1.2 Tech Rep.

Not Applicable.

3.1.3 Protective measures - general. 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).

3.1.5 Dive notification. The COR shall provide the Contractor 72 hours advance notice of when the diver inspection will occur. Before diving procedures are commenced, meet with the COR and the Coast Guard Inspector, to discuss diving safety requirements and the securing of cutter machinery, as applicable.

NOTE

At Contractor’s request, Ship’s force will secure and tag out the cathodic protection system, main engines, steering gear, generator set, A/C unit, fire pumps, and all other machinery which may cause a hazard while a diver is in the water.

3.2 Pre-diving requirements.

NOTE

Requirements per 29 CFR 1910.424:

Commercial SCUBA air diving with one diver in the water requires a minimum of three dive-team members: a designated person-in-charge (DPIC) (see 29 CFR. 1910.410(c)), a standby diver (see 29 CFR 1910.424(c)(1)), and a line-tended diver (see 29 CFR 1910.424(c)(2)). Commercial SCUBA diving with two divers in the water requires a minimum of four dive-team members: a DPIC (see 29 CFR 1910.410(c)), a standby diver (see 29 CFR 1910.424(c)(1)), and two divers (see 29 CFR 1910.424(c)(2)).

3.2.1 The Contractor shall, in accordance with 29 CFR 1910.401-440, provide a certified diver and a tender team, as well as necessary support personnel and equipment, to accomplish the tasks specified herein. Upon completing all tasks, the Contractor shall inform the Coast Guard Inspector that all maintenance is complete and the hull is clear and ready for underway operations. Divers shall remain onsite until released by the Coast Guard Inspector.

WARNING

Mixed gas diving and live boating are not permitted.

3.2.2 The Contractor shall ensure that the diving team shall obtain clearance from the Officer-of-the-Deck (OOD) before beginning diving operations. Ensure the Coast Guard Inspector has capability for maintaining continuous two-way communication with diving personnel at all times, during the performance of the this work item.

3.3 Inspection requirements - general. The Contractor shall survey the entire U/W body of the vessel using the applicable drawings listed in Section 2 (References) for guidance to inspect for abnormal conditions or situations, which may include, but not be limited to the following:

Hull plating and appendage damages.

Running gear.

Coating system defects or failures.

Welding corrosion and erosion.

Deformation in appendages.

3.3.1 Hull plating. Inspect the exterior condition of the hull for presence of marine growth, deformation, and any evidence of major corrosion or electrolytic action. Inspect for deformation along the stem and keel areas, condition of butt-welded seams, doubler plates, lap seams, and any signs of damaged plating or unusual waviness in the plating.

3.3.2 Coating system inspection. Inspect the condition of the U/W body coating system, for signs of the following:

Peeling.

Blistering.

Abrasion.

3.3.2.1 Using the inspection forms under paragraph 4.3 and the guidelines provided in tables below, document the coating system degradation and fouling rate, respectively.

TABLE 1 - PAINT DETERIORATION RATINGS (PDR) FORANTIFOULING/ANTICORROSION (AF/AC) PAINT SYSTEM

Table 2 - FOULING RATINGS (FR) IN ORDER OF INCREASING SEVERITY

3.3.3 Sea chests and other hull penetrations.

Inspect all sea chests and other hull penetrations for signs of any obstructions/marine growth in the openings that might prevent proper suction and discharge of water.

Inspect for bare metal areas (surrounding penetrations) and for bare metal pitting.

Inspect for general appearance, loose, damaged, or missing grates, loose or missing fasteners, condition of sea strainers and lockwire on bolts.

3.3.4 Running gear. Inspect the condition of the propeller shafts, struts, fairwaters, and rope guards. Note any loose or missing fairwater or rope guard fasteners.

3.3.4.1 Inspect propellers for corrosion, pitting, erosion, fouling, cracks, dings, curls, and nicks, and record any found conditions.

3.3.4.2 Inspect the condition of the struts, keel/skeg drain plugs, and rudders, rudder stocks, and rudder bearings including any damage, pitting on leading and trailing edges of the rudder, and the presence of drain plugs.

3.3.5 Transducers. Inspect the general condition all fathometers and associated fairings (if applicable). Record the condition of rubber coating and amount of marine growth present. Note in the inspection report any cuts, gouges, or other surface defects found.

3.3.6 Cathodic protection system. Visually inspect all zinc anodes, check the soundness (as applicable) of mounting strap, studs, and stud welds, missing fasteners, and percentage of remaining material.

3.4 Inspection documentation. The Contractor shall document the hull survey on the applicable forms under paragraph 4.3 and submit within 24 hours of task completion as follows:

3.4.1 Record the pre-cleaning U/W body coating system fouling rating on the “Pre-Clean Bio-fouling Inspection Data” form.

3.4.2 Note all inspection findings and observations, as applicable, on attached observations on the following attached inspection data forms, as applicable, on the “Diver Hull Inspection Data” form.

3.4.3 Record the propeller conditions on the “Propeller Inspection Data” form for each propeller.

3.4.4 Record the running gear conditions on the “Running Gear Inspection Data” form.

3.4.5 Record the rudder conditions on the “Port and Starboard Rudder Data Inspection” form.

3.5 Digital Images.

3.5.1 If required, and as directed by the Coast Guard Inspector, in addition to the written documentations specified above, produce photographs of the work areas prior to commencing work and upon completion of tasks performed.

3.5.2 Ensure that all digital imaging equipment has the following characteristics/functions:

Suitability for underwater use.

Auto-focus and auto-exposure.

Color pictures.

Sufficient lighting to ensure a quality color video picture and depth of field.

A yardstick or other suitable linear measuring device with clear measurement marks which can be read from the monitor.

3.6 Documentation submission. Within 24 hours after the completion of the diver inspection, do the following:

3.6.1 Submit a CFR indicating the amount of recommended U/W body surface cleaning, if any.

3.6.2 Submit the pictures on two digital video discs (DVD) formatted to USCG requirements or electronically as an attachment via e-mail within 24 hours of project completion to the COTR.

4. NOTES

4.1 Unit responsibilities. The ship's force will tag-out and secure the following:

All propulsion machinery and shafting, including auxiliary propulsion machinery such as the bow thruster (as applicable), and all steering machinery whenever the diver is in the water.

All underwater body transducers, including the sonar equipment, for the duration of the underwater inspection operation.

All active cathodic protection equipment for the duration of the underwater inspection operation.

Each sea suction while the diver is inspecting the sea suction's sea chest strainer.

4.2 Mailing of digital images. Upon receipt, the COR will forward the second copy of the underwater inspection record images to the Engineering Section of the Product Line Division to which the vessel is assigned.

4.3 Inspection forms. (See the following pages)

PRE-CLEAN BIOFOULING INSPECTION DATA

PAINT

TYPE: ANTIFOULING: ANTICORROSION:

N/A NOT INSPECTED

( PERCENTAGES MUST ADD UP TO 100 )

FOULING RATING FOULING RATING FOULING RATING

PROPELLER Centerline

Port Outboard

Port Inboard

Starboard Inboard

Starboard Outboard

SHAFT Centerline

Port Outboard

Port Inboard

Starboard Inboard

Starboard Outboard

RUDDER Centerline

Port

Starboard

SONAR DOME Port Side

Starboard Side

SEA CHEST Typical

BOW Port

Starboard

SIDES Port

Starboard

BOTTOM Port

Starboard

STERN Port

Starboard

TRANSOM Port

Starboard

Signature (Ship’s Engineer):_______________________________________________________ Signature (Diving Supervisor):______________________________________________________

DIVER HULL INSPECTION DATA

PAINT

TYPE: ANTIFOULING: ANTICORROSION:

1. HULL COATING SYSTEM (PDR___________)

a. ANTIFOULING PAINT

PERCENTAGE REMAINING________________ PERCENT REJUVENATION________________

IS THE A/F □ HARD □ SOFT

CONDITION SUMMARY [ IF PAINT DAMAGE IS LOCALIZED, GIVE LOCATION(s) ]

b) ANTICORROSION PAINT

PERCENTAGE REMAINING _______________

CONDITION SUMMARY [ IF PAINT DAMAGE IS LOCALIZED, GIVE LOCATION(s) ]

c) DOCKING BLOCK AREAS (PDR _________)

AVERAGE PERCENTAGE OF BLOCK AREAS PAINTED ____________________ %

BARE METAL PITTING ____________________ % __________________ IN. DIAMETER ____________________ IN. DEEP

CONDITION SUMMARY [ IF PAINT DAMAGE IS LOCALIZED, GIVE LOCATION(s) ]

DIVER HULL INSPECTION DATA (CONTINUED)

2. CATHODIC PROTECTION SYSTEM

a. SACRIFICIAL ANODES (ZINCS)

ANODES ARE : □ WELDED □ BOLTED □ BOTH

b. IMPRESSED CURRENT □ NOT APPLICABLE

3. GENERAL HULL DAMAGE (HULL PLATING, BILGE KEELS, etc.):

4. HULL PENETRATIONS (PDR _________)

_______________ % CLOGGED WITH MARINE GROWTH (POST CLEAN)

_______________ % BARE METAL (AREA SURROUNDING PENETRATION)

_______________ % BARE METAL PITTING

AVERAGE PIT SIZE: _______________ in. DIAMETER, _______________ in. DEPTH

CONDITION SUMMARY: ___________________________________________________

DIVER HULL INSPECTION DATA (CONTINUED)

7. STRUTS AND BEARING HOUSING

PERCENT BARE METAL: STARBOARD PORT

8. RUDDER

□ NO DAMAGE □ DAMAGE SHOWN ON ATTACHED DRAWINGS

PDR

9. PROPELLERS

□ NO DAMAGE □ DAMAGE SHOWN ON ATTACHED DRAWINGS

PROPELLERS NUMBERED STARBOARD TO PORT.

Diving Supervisor: ___________________________________________ Ship’s Engineer: _________________________________

PROPELLER VISUAL INSPECTION FORM, 87s (Fill in one per propeller inspected)

|_| Pressure Face |_| Suction Face Contractor inspector (written/signature): /

USCG (written/signature): /

PROPELLER VISUAL INSPECTION FORM, FRC/154 (Fill in one per propeller inspected)

|_| Pressure Face |_| Suction Face Contractor inspector (written/signature): /

USCG (written/signature): / image1.jpeg image2.png image3.emf image4.png image5.png