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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,... 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 140-WTGB-259-001, Diesel Exhaust System Arrangements and Details Coast Guard Drawing 140-WTGB-259-002, Exhaust Modifications to Suit Bubbler Install Coast Guard Drawing 140-WTGB-259-004, Burgess DPSS Muffler Inspect Ports Installation 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, 2014, Occupational Safety and Health Standards for Shipyard Employment 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. (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 101 WTGB 259-001, 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. 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 This section is not applicable to this work item. 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 Ship Service Diesel Generator (SSDG) exhaust piping. 1.2 Government-furnished equipment. None. 2. REFERENCES Coast Guard Drawings Coast Guard Drawing 140-WTGB-259-001, Diesel Exhaust System Arrangement and Details Coast Guard Drawing 140-WTGB-259-002, Exhaust Modifications to Suit Bubbler I install. 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, Jul 2008, Occupational Safety and Health Standards for Shipyard Employment 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 suitable covering to seal off and protect all non-affected surfaces/equipment and spaces in the vicinity of the work area against contamination during the performance of work. Upon completion of work, remove protective material and inspect for the presence of contamination. Clean all equipment and spaces, contaminated due to improper protection, to original condition of cleanliness. 3.1.4 Interferences. The Contractor shall be aware that interferences in way of work include but are not limited to the below-listed. Handle all interferences in accordance with SFLC Std Spec 0000, paragraph 3.3.5 (Interferences): Access covers. Exhaust stack. SSDG. Vent ducting. Wiring. Exhaust pipe expansion joints. Exhaust insulation blankets. 3.1.5 Safety precaution. The Contractor shall rig suitable safety netting, to protect workers during possible falls, and to protect the Engine Room and machinery from falling tools. 3.1.6 Access openings. Not applicable. 3.2 Work plan. The Contractor shall develop and submit to the COTR, a plan for collecting and disposing of waste extracted during cleaning process. Ensure that the proposed plan shall 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 shall perform this work upon receiving Coast Guard approval of the plan. 3.3 Operational test - initial. Prior to commencement of work, the Contractor shall witness an operational pre-test (by Coast Guard personnel) of the exhaust stack system, to demonstrate existing operational condition. Submit a CFR. 3.4 Cleaning. The Contractor shall clean the interior surfaces of the exhaust piping to the SSDG, shown on Coast Guard Drawing(s) 101 WTGB 259-001, 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 shall 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 Touch-up preservation. The Contractor shall prepare and touch-up coat all disturbed surfaces to match existing adjacent surfaces in accordance with SFLC Std Spec 6310, Appendix B (Cutter and Boat Interior Painting Systems). 3.7 Operational test – post repairs. After completion of work, the Contractor shall witness an operational test (by Coast Guard personnel) of the exhaust stack system to prove satisfactory operating condition. Submit a CFR. 4. NOTES This section is not applicable to this work item. 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 140-WTGB-259-001, Diesel Exhaust System Arrangements and Details Coast Guard Drawing 140-WTGB-259-002, Exhaust Modifications to Suit Bubbler Install 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. 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). 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) 101 WTGB 259-001, 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. 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. 4. NOTES POP 20-27NOV2024 Work Hours 0800-1800 Work to be completed location: Penobscot Bay POC CWO Justin Milligan Address: CGC Penobscot Bay (WTGB-107) 85 Port Terminal Blvd. Slip 2 Bayonne NJ. 07002 618-513-9109