Coast Guard Drawing 65B WD 4000-004 Rev A Machinery Arrgt Mods to Suit IF 1312 MDE.pdf

This is a detailed engineering drawing set titled "Machinery Arrangement Modifications to Suit IF 1312 MDE" from the U.S. Coast Guard Office of Naval Engineering. The drawings show multiple plan views of exhaust system components and machinery arrangements for several Coast Guard vessels including the OBION, SANGAMON, SCIOTO, and OSAGE.

The drawings detail port and starboard exhaust stacks, engine room configurations, and various machinery components including propeller shafts, water tanks, engine controls, and ventilation systems. Key features shown include the port and starboard main diesel engine exhaust piping systems, ship service diesel generator exhaust systems, and boiler exhaust arrangements. The drawings are highly detailed technical schematics that would be essential for contractors performing exhaust system cleaning and inspection work as referenced in the associated solicitation. The drawing set includes multiple deck levels and cross-sections showing the complete exhaust routing and machinery layout.