TGI 38JC252101A01 rev1.pdf

This is a Task Group Instruction (TGI) for replacing overboard discharge piping on the USS HOWARD (DDG-83). The work involves replacing fireman overboard discharge piping assembly in Auxiliary Machinery Room No. One, including a 2-1/2 inch IPS steel pipe assembly, 3-1/2 inch nozzle assembly with flange, and waster sleeve components. The work affects frames between 131-137 on the port side and requires Class P-2 piping with Level III cleanliness standards.

The work is scheduled to begin April 14, 2025 and complete by September 3, 2025. Special requirements include fabricating/staging a non-flammable closure since the work affects a fire zone boundary. The work will be performed as part of Job Order 38JC252101 with PROJ/WO No. JC2. The file includes detailed material specifications, referenced technical documents, and quality assurance requirements including hydrostatic testing at 50 PSIG. SRF-JRMC will provide various support services including crane operations, utilities, and safety/QA inspections.