CGC Patoka SOW Exhaust Cleaning.pdf

USCGC PATOKA (WLR-75E) DOCKSIDE AVAILABILITY FY2025

17 (Rev-0)

25901_ESD_0323_FLT

REC_25901_FLT_75E WLR (75408 CGC PATOKA) (0323)

WORK ITEM 2: Main Diesel Engine, MDE, Exhaust Piping, Commercial Clean

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to clean the Main Diesel Engine (MDE) exhaust piping system, including the associated stack uptakes.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 75E WLR 4000-004, Rev D, Machinery Arrangement Mods to Suit IF

1312 MDE

Coast Guard Drawing 75E WLR 4103-009, Rev A, Exhaust Piping Mods to Suit IF 1312 MDE

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2022, General Requirements

Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2022, Requirements for Preservation of Ship Structures

OTHER REFERENCES

Code of Federal Regulations (CFR) Title 29, Part 1915, 2022, Occupational Safety and Health Standards for Shipyard Employment

3. REQUIREMENTS

3.1 General.

3.1.1 CIR.

18 (Rev-0)

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. (Interferences). Known interferences include, but are not limited to the following:

Access covers

Exhaust stack

MDE

Piping

Pipe insulation

Vent ducting

Wiring

Exhaust pipe expansion joints

Exhaust insulation blankets

3.2 Staging or scaffolding, netting. The Contractor must erect suitable staging or scaffolding in accordance with 29 CFR 1915, Subpart E (Scaffolds, Ladders and Other Working Surfaces) to facilitate work, as required.

3.2.1 Rig suitable safety netting, to protect workers during possible falls, and to protect the Engine Room and machinery from falling tools.

3.3 Work plan. The Contractor must develop and submit, to the COR, a plan for collecting and disposing of waste extracted during cleaning process. Ensure that the proposed plan must detail how and where exhaust piping will be disconnected, how entire length of exhaust piping will be divided/sectioned for cleaning, and precautions to protect the MDE. The Contractor must perform this work upon receiving Coast Guard approval of the plan.

NOTE

Coast Guard personnel will operate all shipboard machinery and equipment.

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

3.5 Cleaning. The Contractor must clean the interior surfaces of the exhaust piping and stack uptakes to the MDE, shown on Coast Guard Drawings 75E WLR 4000-004 and 75E WLR 4103-009, to a condition free from soot, tar, and any other foreign matter as follows:

3.5.1 Disconnect the exhaust piping as necessary to facilitate cleaning.

19 (Rev-0)

3.5.2 Thoroughly sweep, mechanically clean, and vacuum the interior of each exhaust pipe system, including the mufflers, from the exhaust outlet to the topmost location outside the vessel. Clean all adjacent stack uptake surfaces. Ensure that all tar deposits, soot deposits, and all other surface contaminants are removed.

3.5.3 Remove all debris from the pipe surfaces, stack deck, and Engine Room areas by vacuuming.

Dispose of all cleaning materials and generated debris in accordance with all applicable Federal, state, and local regulations.

3.5.4 Reassemble exhaust piping; renew all disturbed flange connection gaskets with suitable high temperature, non-asbestos-containing gasket materials; and renew all disturbed fasteners.

3.6 Inspection and report. The Contractor must perform a visual inspection of the following components:

submit a CFR:

Exhaust stack access hatches, including all associated studs and nuts.

All cleaned exhaust stack surfaces.

All exhaust expansion joints, including associated bolts.

3.6.1 Following cleaning of the interior of each exhaust pipe system, the Contractor must demonstrate completeness of the cleaning process to the Coast Guard Inspector, showing that the entire length of exhaust piping cleaned according to the work plan.

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

NOTE

Coast Guard personnel will operate all shipboard machinery and equipment.

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

4. NOTES

20 (Rev-0)

25902_ESD_0323_FLT

REC_25902_FLT_75E WLR (75408 CGC PATOKA) (0323)

WORK ITEM 3: Ship Service Diesel Generator, SSDG, Exhaust Piping, Commercial Clean

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to clean the port and starboard ship service ship service diesel generator (SSDG) exhaust piping system of the Ship Service Diesel Generator (SSDG) piping, including the associated stack uptakes.

1.2 Government-furnished property.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 75E WLR 4000-004, Rev D, Machinery Arrangement Mods to Suit IF

1312 MDE

Coast Guard Drawing 75E WLR 4103-009, Rev A, Exhaust Piping Mods to Suit IF 1312 MDE

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2022, General Requirements

Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2022, Requirements for Preservation of Ship Structures

OTHER REFERENCES

Code of Federal Regulations (CFR) Title 29, Part 1915, 2022, Occupational Safety and Health Standards for Shipyard Employment

3. REQUIREMENTS

3.1 General.

3.1.1 CIR.

21 (Rev-0)

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, (Interferences). Known interferences include, but are not limited to the following:

Access covers

Exhaust stack

SSDG

Vent ducting

Wiring

Exhaust pipe expansion joints

Exhaust insulation blankets

3.2 Staging or scaffolding. The Contractor must erect suitable staging or scaffolding in accordance with 29 CFR 1915, Subpart E (Scaffolds, Ladders and Other Working Surfaces) to facilitate work, as required.

3.3 Safety precaution. The Contractor must rig suitable safety netting, to protect workers during possible falls, and to protect the Engine Room and machinery from falling tools.

3.3.1 Temporary safety railing. To promote safety, the Contractor must limit existing safety railing removals to an area where new safety railing can be installed during the same workday. During periods when not actively working on new safety railing, secure any gaps between existing safety railing with a substantial temporary lifeline arrangement similar to that currently installed on the vessel. Remove and dispose of all temporary lifelines upon completion of work.

3.4 Work plan. The Contractor must develop and submit to the COR, a plan for collecting and disposing of waste extracted during cleaning process. Ensure that the proposed plan must detail how and where exhaust piping will be disconnected, how entire length of exhaust piping will be divided/sectioned for cleaning, and precautions to protect the SSDG. The Contractor must perform this work upon receiving Coast Guard approval of the plan.

NOTE

Coast Guard personnel will operate all shipboard machinery and equipment.

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

3.6 Cleaning. The Contractor must clean the interior surfaces of the exhaust piping and stack uptakes to the SSDG, shown on Coast Guard Drawing(s) 75E WLR 4000-004 and 75E WLR 4103-009, to a condition free from soot, tar, and any other foreign matter as follows:

22 (Rev-0)

3.6.1 Disconnect the exhaust piping as necessary to facilitate cleaning.

3.6.2 Thoroughly sweep, mechanically clean, and vacuum the interior of each exhaust pipe system, including the mufflers, from the exhaust outlet to the topmost location outside the vessel. Clean all adjacent stack uptake surfaces. Ensure that all tar deposits, soot deposits, and all other surface contaminants are removed.

3.6.3 Remove all debris from the pipe surfaces, stack deck, and Engine Room areas by vacuuming.

Dispose of all cleaning materials and generated debris in accordance with all applicable Federal, state, and local regulations.

3.6.4 Reassemble exhaust piping; renew all disturbed flange connection gaskets with suitable high temperature, non-asbestos-containing gasket materials; and renew all disturbed fasteners.

3.7 Inspection and report. The Contractor must perform a visual inspection of the following components;

submit a CFR:

Exhaust stack access hatches, including all associated studs and nuts.

All cleaned exhaust stack surfaces.

All exhaust expansion joints, including associated bolts.

3.7.1 Following cleaning of the interior of each exhaust pipe system, the Contractor must demonstrate completeness of the cleaning process to the Coast Guard Inspector, showing that the entire length of exhaust piping has been cleaned according to the work plan.

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

NOTE

Coast Guard personnel will operate all shipboard machinery and equipment.

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

This section is not applicable to this work item.

23 (Rev-0)

25903_ESD_1021_FLT

REC_25903_FLT_75E WLR (75408 CGC PATOKA) (0323)

WORK ITEM 4: Boiler Exhaust Stack Uptakes, Commercial Clean

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to clean the Boiler exhaust stack uptakes.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 75E WLR 4000-004, Rev D, Machinery Arrangement Mods to Suit IF

1312 MDE

Coast Guard Drawing 75E WLR 4103-009, Rev A, Exhaust Piping Mods to Suit IF 1312 MDE

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2022, General Requirements

Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2022, Requirements for Preservation of Ship Structures

OTHER REFERENCES

None

3. REQUIREMENTS

3.1 General.

3.1.1 CIR.

None.

Not applicable.

24 (Rev-0)

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). Known interferences include, but are not limited to following:

Access covers.

Exhaust stack.

Boiler.

Exhaust pipe expansion joints.

Exhaust insulation blankets.

3.2 Safety precaution. The Contractor must rig suitable safety netting, to protect workers during possible falls, and to protect the Engine Room and machinery from falling tools.

NOTE

Coast Guard personnel will operate all shipboard machinery and equipment.

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

3.4 Cleaning. The Contractor must clean the interior surfaces of the exhaust piping to the Boiler, shown on Coast Guard Drawing(s) 75E WLR 4000-004 and 75E WLR 4103-009, to a condition free from soot, tar, and any other foreign matter as follows:

3.4.1 Disconnect the exhaust piping as necessary to facilitate cleaning.

3.4.2 Thoroughly sweep, mechanically clean, and vacuum the interior of each exhaust pipe system, including the mufflers, from the exhaust outlet to the topmost location outside the vessel. Ensure that all tar deposits, soot deposits, and all other surface contaminants are completely removed.

3.4.3 Upon completion of cleaning, do the following:

3.4.3.1 Remove all debris from the pipe surfaces, stack deck, and Engine Room areas by vacuuming.

Dispose of all cleaning materials and generated debris in accordance with all applicable Federal, state, and local regulations.

3.4.3.2 Reassemble exhaust piping; renew all disturbed flange connection gaskets with suitable high temperature, non-asbestos-containing gasket materials; and renew all disturbed fasteners.

3.5 Inspection and report. The Contractor must perform a visual inspection of the following components:

submit a CFR:

Exhaust stack access hatches, including all associated studs and nuts.

All cleaned exhaust stack surfaces.

All exhaust expansion joints, including associated bolts.

25 (Rev-0)

3.5.1 Following cleaning of the interior of each uptake, the Contractor must demonstrate completeness of the cleaning process to the Coast Guard Inspector, showing that the entire length of uptake has been satisfactorily cleaned according to the work plan.

3.6 Touch-up preservation. The Contractor must prepare and coat all new and disturbed surfaces to match existing adjacent surfaces in accordance with SFLC Std Spec 6310, paragraph 3.1.13 (Touch-ups and minor coating repairs.)

NOTE

Coast Guard personnel will operate all shipboard machinery and equipment.

3.7_Operational test, post repairs. After completion of work, the Contractor must thoroughly test, in the presence of the Coast Guard Inspector and demonstrate all items or shipboard devices that have been disturbed, used, repaired, altered, or installed to be in satisfactory operating condition. Submit a CFR.

44 (Rev-0)

25903_ESD_1021_brg_FLT REC_25903_FLT_130’CG Barge 72/Associated w/CGC PATOKA (0414)

WORK ITEM 10: Boiler Exhaust Stack Uptakes, Commercial Clean - Barge

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to clean the Boiler exhaust stack uptakes.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 130 CGB71-77 505-1, Rev -, Boiler & Engine Exhaust Piping Arrangement

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2022, General Requirements

Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2022, Requirements for Preservation of Ship Structures

OTHER REFERENCES

None

3. REQUIREMENTS

3.1 General.

3.1.1 CIR.

None.

45 (Rev-0)

3.1.3 Protective measures. The Contractor must furnish and install all protective measures in accordance

3.1.4 Interferences. The Contractor must handle all interferences in accordance with SFLC Std Spec 0000, paragraph 3.3.5 (Interferences). Known interferences include, but are not limited to following:

Access covers.

Exhaust stack.

Boiler.

Exhaust pipe expansion joints.

Exhaust insulation blankets.

3.2 Safety precaution. The Contractor must rig suitable safety netting, to protect workers during possible falls, and to protect the Engine Room and machinery from falling tools.

NOTE

Coast Guard personnel will operate all shipboard machinery and equipment.

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

3.4 Cleaning. The Contractor must clean the interior surfaces of the exhaust piping to the Boiler, shown on Coast Guard Drawing(s) Coast Guard Drawing 130 CGB71-77 505-1, to a condition free from soot, tar, and any other foreign matter as follows:

3.4.1 Disconnect the exhaust piping as necessary to facilitate cleaning.

3.4.2 Thoroughly sweep, mechanically clean, and vacuum the interior of each exhaust pipe system, including the mufflers, from the exhaust outlet to the topmost location outside the vessel. Ensure that all tar deposits, soot deposits, and all other surface contaminants are completely removed.

3.4.3 Upon completion of cleaning, do the following:

3.4.3.1 Remove all debris from the pipe surfaces, stack deck, and Engine Room areas by vacuuming.

Dispose of all cleaning materials and generated debris in accordance with all applicable Federal, state, and local regulations.

3.4.3.2 Reassemble exhaust piping; renew all disturbed flange connection gaskets with suitable high temperature, non-asbestos-containing gasket materials; and renew all disturbed fasteners.

3.5 Inspection and report. The Contractor must perform a visual inspection of the following components;

submit a CFR:

Exhaust stack access hatches, including all associated studs and nuts.

46 (Rev-0)

3.5.1 Following cleaning of the interior of each uptake, the Contractor must demonstrate completeness of the cleaning process to the Coast Guard Inspector, showing that the entire length of uptake has been satisfactorily cleaned according to the work plan.

3.6 Touch-up preservation. The Contractor must prepare and coat all new and disturbed surfaces to match existing adjacent surfaces in accordance with SFLC Std Spec 6310, paragraph 3.1.13 (Touch-ups and minor coating repairs.)

NOTE

Coast Guard personnel will operate all shipboard machinery and equipment.

3.7_Operational test, post repairs. After completion of work, the Contractor must thoroughly test, in the presence of the Coast Guard Inspector and demonstrate all items or shipboard devices that have been disturbed, used, repaired, altered, or installed to be in satisfactory operating condition. Submit a CFR.

47 (Rev-0)

25906_0120_IBCT

REC_25906_IBCT_130’CG Barge 72/Associated w/CGC PATOKA (0323)

WORK ITEM 11: Barge, Diesel Engine Exhaust Piping, Commercial Clean

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to clean the barge diesel engine exhaust piping.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 130 CGB71-77 505-1, Rev -, Engine & Boiler Exhaust Piping Arrg't. & L/M Plans & Sections

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2022, General Requirements

Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2022, Requirements for Preservation of Ship Structures

OTHER REFERENCES

None.

3. REQUIREMENTS

3.1 General.

3.1.1 CIR.

None.

48 (Rev-0)

3.1.3 Protective measures. The Contractor must furnish and install all protective measures in accordance

3.1.4 Interferences. The Contractor must handle all interferences in accordance with SFLC Std Spec 0000, paragraph 3.3.5 (Interferences). Known interferences include, but are not limited to the below-listed:

Access covers.

Exhaust stack.

Barge diesel engine.

Exhaust pipe expansion joints.

Exhaust insulation blankets.

3.1.5 Safety precaution. The Contractor must rig suitable safety netting, to protect workers during possible falls, and to protect the Engine Room and machinery from falling tools.

3.2 Operational test - initial. Prior to commencement of work, the Contractor must witness Coast Guard Personnel perform an initial operational test of the exhaust stack system, to demonstrate existing operational condition. Submit a CFR.

3.3 Cleaning. The Contractor must clean the interior surfaces of the exhaust piping to the barge diesel engine, shown on Coast Guard Drawing 130 CGB71-77 505-1, to a condition free from soot, tar, and any other foreign matter as follows:

3.3.1 Disconnect the exhaust piping as necessary to facilitate cleaning.

3.3.2 Thoroughly sweep, mechanically clean, and vacuum the interior of each exhaust pipe system, including the mufflers, from the exhaust outlet to the topmost location outside the vessel. Ensure that all tar deposits, soot deposits, and all other surface contaminants are completely removed.

3.3.3 Upon completion of cleaning, do the following:

3.3.3.1 Remove all debris from the pipe surfaces, stack deck, and Engine Room areas by vacuuming.

Dispose of all cleaning materials and generated debris in accordance with all applicable Federal, state, and local regulations.

3.3.3.2 Reassemble exhaust piping; renew all disturbed flange connection gaskets with suitable high temperature, non-asbestos-containing gasket materials; and renew all disturbed fasteners.

3.4 Inspection and report. The Contractor must perform a visual inspection of the following components;

submit a CFR:

Exhaust stack access hatches, including all associated studs and nuts.

49 (Rev-0)

3.5 Touch-up preservation, general. The Contractor must 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.)

3.6 Operational test – post repairs. After completion of work, the Contractor must thoroughly test, in the presence of the Coast Guard Inspector and demonstrate the exhaust stack system to be in satisfactory operating condition. Submit a CFR.