SOW HULL CLEAN JESTER.docx
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- Attached to
- USCGC JESTER
- Solicitation number
- 52000QR260023561
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This is a Statement of Work for underwater hull inspection, cleaning, and zinc anode renewal services for the USCGC Maurice Jester, a U.S. Coast Guard cutter. The work must be completed between May 4-18, 2026, at USCG Base Boston, 427 Commercial Street, Boston, MA 02109. The contractor must employ trained diving personnel with a certified diver and tender team to conduct the work while the vessel is moored pier side, in accordance with 29 CFR 1910.401-440 (Commercial Diving Operations) and Coast Guard Maintenance Procedure Cards (MPC) B10015.D and B10018.D.
The scope requires comprehensive inspection and documentation of the underwater body including hull plating, coating system condition, transducers, drive systems, appendages, and cathodic protection systems. The contractor must survey the entire underwater body for marine growth, coating defects, corrosion, welding issues, and zinc performance using detailed rating tables for paint deterioration and fouling severity. The contractor must clean all designated underwater surfaces free of marine growth and contaminants without damaging the existing coating system, and renew 28 stern tube zinc anodes (including 12 additional units not in the current MPC), along with other specified zinc anodes including those for the gear case, tunnel, and sea chest grate. Documentation deliverables include written inspection reports using provided data forms, a CFR indicating recommended cleaning surface area, and an audio-video report with narration submitted on two DVDs within 24 hours of inspection completion. The government will furnish all zinc anodes and fastening hardware specified in the materials list. Key points of contact include MKCS John Kovacevich aboard the cutter and COR Kevin O'Brien in Norfolk, VA. The contractor must provide 24 hours advance notice of diving operations and coordinate with the Coast Guard Inspector and Officer-of-the-Deck before commencing work.
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| File | Type | Posted |
|---|---|---|
| 154-WPC_B10018.D_Zinc Anode Renewal.pdf | ||
| 154-WPC_B10015.D_Underwater Body Diver InspectClean.pdf |
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Statement of Work CGC Maurice Jester Dive Inspection
Statement of Work (SOW) For Underwater Hull Inspect, Clean & Zinc Renewal
1. Background and Current Observed Issues CGC MAURICE JESTER is requesting underwater hull inspection, cleaning and zinc renewal.
2. REFERENCES
CG MPC B10015.D, UNDERWATER BODY (DIVER), INSP/CLN
CG MPC B10018.D, UNDERWATER ZINC ANODES, REPLACE
3. REQUIREMENTS
Entity completing the work must have trained personnel. The diver must have a dive tender aboard the vessel during dive operations. Hull must be thoroughly cleaned IAW MPC B10015.D and all pre& post cleaning forms must be completed. Zincs must be renewed IAW MPC B10018.D. There are 12 additional stern tube zincs not identified in the current B10018.D maintenance procedure card.
4. PERIOD OF PERFORMANCE
This maintenance must be completed between 4 -18 May 2026.
5. PLACE OF PERFORMANCE
USCG Base Boston
427 COMMERCIAL ST
BOSTON, MA 02109
6. POINTS OF CONTACT
a. Cutter:
MKCS John Kovacevich Teams: (617) 223-3116 Email: John.R.Kovacevich@uscg.mil
b. Norfolk, VA Office: Contracting Officer Technical Representative (COR): Kevin O’Brien Teams: (571) 610-7557 Email: kevin.p.obrien@uscg.mil
Hull Plating, U/W Body, Diver’s Inspect, Clean and Renew U/W Zinc Anodes Perform
1. SCOPE
1.1. Intent. This work item describes the requirements for the Contractor to conduct an inspection and cleaning of the vessel’s U/W body and renew U/W zinc anodes 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)/sonar dome.
· Drive Systems
· Appendages
· Cathodic Protection
1.2 Government-furnished property.
| MTI |
| ITEM DESCRIPTION |
| NSN/PN |
| QTY |
| N |
| Anode, B/T Gear Case |
| P/N: 1081226, NIIN: 015485655 |
| 1 |
| N |
| Anode, B/T Tunnel |
| P/N: 2002416, NIIN: 015664112 |
| 12 |
| N |
| Anode, Sea Chest Grate |
| P/N: GA-4, NIIN: 016476179 |
| 4 |
| N |
| Anode, Stern Tube |
| P/N: Z0020202H3 REV. 0, NIIN: 016445483 |
| 28 |
| N |
| Nut, Self-Locking, |
| P/N: 90715A145, NIIN: 015085774 |
| 52 |
| N |
| Screw, Prop Zinc Plate |
| P/N: 950756, NIIN: 016340210 |
| 8 |
| N |
| Screw, Sea Chest Grate Anode |
| P/N: 93190A634, NIIN: 016197182 |
| 4 |
| N |
| Screw, Stern Tube Covers |
| P/N: 90585A626, NIIN: 016161107 |
| 44 |
| N |
| Zinc Plate, Propeller |
| P/N: 950733, NIIN: 016278941 |
| 2 |
2. REFERENCES
Coast Guard Maintenance Procedure Card (MPC) B10015.D, UNDERWATER BODY (DIVER), INSP/CLN Coast Guard Maintenance Procedure Card (MPC) B10018.D, UNDERWATER ZINC ANODES, REPLACE
COAST GUARD DRAWINGS
Coast Guard Drawing 154 WPC 633-301, Rev C, Cathodic Protection System
COAST GUARD PUBLICATIONS
Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2020, General Requirements OTHER REFERENCES Code of Federal Regulations (CFR) Title 29, Part 1910, Subpart T, 2007, Commercial Diving Operations
3. REQUIREMENTS
3.1 General.
3.1.1 CIR.
None.
3.1.2 Tech Rep.
Not Applicable.
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).
3.1.4 Interferences. The Contractor must handle all interferences in accordance with SFLC Std Spec 0000, paragraph 3.3.5 (Interferences)
3.1.5 The Contractor must provide the Coast Guard Inspector 24 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 IAW COMDTINST 9077.1, MPC B10015.D and MPC B10018.D.
3.2 Pre-diving clearance. The Contractor must ensure that the diving team must obtain clearance from the Officer-of-the-Deck 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.
3.2.1 The Contractor must, 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.
WARNING
Mixed gas diving and live boating are not permitted.
3.3 Inspection requirements - general. The Contractor must survey the entire U/W body of the vessel in accordance with MPC B10015.D, to inspect for abnormal conditions or situations, which may include, but not be limited to the below-listed. The Contractor must use the drawings and MPC’s listed in the References Section for guidance and accomplish the following tasks.
• Hull plating and appendage damages.
• Coating system defects or failures.
• Welding corrosion and erosion.
• Deformation in appendages.
• Zinc performance.
3.3.1 Hull plating. The Contractor must inspect the exterior condition of the hull in accordance with MPC B10015.D 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. The Contractor must inspect the condition of the U/W body coating system, for signs of the following:
• Peeling.
• Blistering.
• Abrasion.
3.3.2.1 Use the guidelines provided in Table I (Paint Deterioration Ratings (PDR) for Antifouling/Anticorrosion (AF/AC) Paint System) and Table 2 (Fouling Ratings (FR) In Order of Increasing Severity) to assist in proper documentation of the coating system degradation and fouling rate, respectively.
TABLE 1 - PAINT DETERIORATION RATINGS (PDR) FORANTIFOULING/ANTICORROSION (AF/AC) PAINT SYSTEM
| PAINT DETERIORATION RATING (PDR) |
| DESCRIPTION |
| 10 |
| AF paint intact, red in color or with mottled pattern of light green and red. |
| 20 |
| AF paint missing from edges, corners, seams welds, river or boll head to expose AC paint. |
| 30 |
| AF paint missing from slightly curved or flat areas to expose AC paint. |
| 40 |
| AF paint missing from intact blisters to expose AC paint. |
| 50 |
| AF blisters ruptured to expose intact AC paint. |
| 60 |
| AF/AC paint missing or peeling to expose steel substrate, no corrosion present. |
| 70 |
| AF/AC paint removed from edges, corners, seams, welds, river or bolt heads to expose steel substrate with corrosion present. |
| 80 |
| Ruptured AF/AC blisters on slightly curved or flat surfaces with corrosion stains present. |
| 90 |
| Area corrosion of steel substrate with no AF/AC paint cover due to peeling or abrasion damage. |
| 100 |
| Area corrosion showing visible surface evidence of pitting, scaling, and roughening or steel substrate. |
TABLE 2 - FOULING RATINGS (FR) IN ORDER OF INCREASING SEVERITY
| TYPE |
| FOULING RATING (FR) |
| DESCRIPTION |
| Soft |
| 0 |
| A clean, foul-free surface; red and/or black AF paint or a bare metal surface. |
| Soft |
| 10 |
| Light shades of red and green (incipient slime). Bare metal and painted surfaces are visible beneath the fouling. |
| Soft |
| 20 |
| Slime as dark green patches with yellow or brown colored areas (advanced slime). Bare metal and painted surfaces may by obscured by the fouling. |
| Soft |
| 30 |
| Grass as filaments up to 3 inches (76 mm) in length, projections up to 1/4 inch (6.4 mm) in height; or a flat network of filaments, green, yellow, or brown in color; or soft non calcareous fouling such as sea cucumbers, sea grapes, or sea squirts projecting up to 1/4 inch (6.4 mm) in height. The fouling cannot be easily wiped off by hand. |
| Hard |
| 40 |
| Calcareous fouling in the form of tubeworms I less than ¼ inch in diameter or height. |
| Hard |
| 50 |
| Calcareous fouling in the form of barnacles less than ¼ inch in diameter or height. |
| Hard |
| 60 |
| Combination of tubeworms barnacles, less I than ¼ inch (6.4 mm) in diameter or height. |
| Hard |
| 70 |
| Combination of tubeworms and barnacles, greater than ¼ inch in diameter or height. |
| Hard |
| 80 |
| Tubeworms closely packed together and growing upright away from surface. Barnacles growing one on top of another, ¼ inch or less in height. Calcareous shells appear clean or white in color. |
| Hard |
| 90 |
| Dense growth of tubeworms with barnacles, ¼ inch or greater in height; Calcareous shells brown in color (oysters and mussels); or with slime or grass overlay. |
| Composite |
| 100 |
| All forms of fouling present, Soft and Hard, particularly soft sedentary animals without calcareous covering (tunicates) growing over various forms of hard growth |
3.3.3 Sea chests and other hull penetrations. The Contractor must accomplish the following:
• 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 bolt.
3.3.4 Propeller and shaft associated components. The Contractor must 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 by side and blade.
3.3.4.2 Inspect the condition of the struts, keel drain plugs, 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. The Contractor must inspect the general condition of the fathometer transducer. Record 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. The contractor must inspect the general condition and performance of the cathodic protection system. Record condition of zinc anodes in accordance with MPC B10018.D. Table 7 provided as an example and is located in MPC B10018.D.
3.4 Inspection documentation. The Contractor must document the hull survey as follows:
3.4.1 Written report. The Contractor must record the U/W body coating system fouling rating on the attached “Pre-Clean Bio-fouling Inspection Data” Form.
3.4.1.1 Note all inspection findings and observations, as applicable, on attached observations on the following attached inspection data forms, as applicable, on the attached: “Diver Hull Inspection Data” Form.
3.4.1.2 In addition to completing the” Diver Hull Inspection Data” Form, do the following, as applicable:
•Document condition of running gear on attached “Running Gear Inspection Data” Form foreach shaft.
•Document propeller condition on attached “Propeller Inspection Data” Form for each propeller.
•Document condition of rudders on attached “Port and Starboard Rudder Data Inspection” Form.
•Document condition of all U/W zincs in accordance with MPC B10018.D. See example Table 7, Zinc Wastage.
3.4.2 Audio-video report. In addition to the written documentation specified above, The Contractor must produce an audio-video report, with narration, of all inspected surfaces. Place linear measuring devices, as applicable, in the field of view when videotaping hull damages, to provide scale for these damages.
3.4.3 Documentation submission. Within 24 hours after the completion of the diver inspection, The Contractor must do the following:
3.4.3.1 Submit a CFR indicating the amount of recommended U/W body surface cleaning, if any.
3.4.3.2 Submit both the written and audio-video reports to the COR. Submit the audio-video report on two digital video discs (DVD) formatted to USCG requirements.
3.4.3.2.1 Ensure that all video equipment has the following characteristics/functions: •Remote video/sound recorder.
•Suitability for underwater use.
•Auto-focus and auto-exposure.
•Color pictures.
•Two-way communication devices, to allow for communication and recording of communications between the diver operating the video camera and the Person-in-Charge, COR, and Coast Guard Inspector.
•Audio/visual cables long enough to transmit the video picture and two-way communications to the recorder and monitor.
•Online video monitor large enough, to allow the Person-in-Charge, the COR, and the Coast Guard Inspector to observe the video picture.
•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.
3.4.3.2. 2 Closely monitor the video and sound quality during the survey, to ensure that the pictures on the monitor and the communication sounds remain of high quality. When either video or audio quality deteriorates, ensure that the survey is temporarily halted, until all problems have been corrected.
3.5. Cleaning requirements. Using the drawings listed in Section 2 (References), the Contractor must employ suitable means to clean the designated U/W body surfaces free of all marine growth, debris, and all other surface contaminants. The Contractor must ensure the following:
3.5.1 Ensure that existing U/W body coating system or non-coated surfaces do not incur any damage during cleaning process.
3.6 Renew UW Zinc Anodes. The contractor must renew U/W zinc anodes in accordance with MPC B10018.D ensuring not to damage hull components during renewal process. There are 12 additional stern tube zincs not identified in the current B10018.D MPC.
3.6.1 Document correct zinc and grate installation with photos included on final diver report.
4. NOTES
4.1 Unit responsibilities. The ship's force will tag-out systems in accordance with COMDINST M9077.1 (series) and MPC B10015.D including the below:
•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 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 Inspection record. Upon receipt, the EPO will retain the diver report and underwater video inspection locally and forward a copy to the Engineering Section of the Product Line Division to which the vessel is assigned.
4.3 MPC Completion. Cutter EPO is responsible for ensuring MPC’s B10015.D and B10018.D are properly completed and submitted.
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