Job Specification Summary: Ventilation Duct Replacement for USS NEW ORLEANS

This is a Job Specification document for naval maintenance work on the USS NEW ORLEANS (Ship/Hull No. LPD-18). The project involves the replacement of ventilation ducts for Supply System SS-31 and Exhaust System ES-92 at four specific locations within the vessel: SD Storeroom (6-18-1-A), Passage (6-24-0-L), SD Storeroom (6-27-2-A), and SD Storeroom (5-18-2-A) Frames 25-29. Work locations are identified by Job Service Numbers HE01-L004 and HE01-L005, with CASREP # C-4. The anticipated award date is 06/22/2026, with a Production Completion Date of 09/07/2026 and a Period of Performance spanning 07/27/2026 to 10/31/2026.

The specification requires removal and installation of 64 feet of rectangular ventilation duct for the supply system and 10 feet of 5-inch ID spiral round ventilation duct for the exhaust system, all constructed of galvanized steel and non-watertight materials. Three gaskets per flange must also be replaced. Requirements include accomplishing bulkhead penetration tests with zero allowable leakage (per 009-25 standard), thermal insulation work (009-11), surface cleaning and preservation (009-32), and visual inspection by Ship's Force. The government will furnish all materials, including ductwork, elbows, terminals, fasteners, gaskets, insulation, adhesives, sheet metal components, and access covers detailed in an extensive 135-item Material List. A legible condition report documenting completion results must be submitted to the Supervisor upon job completion.