Technical Specifications_Drawings.pdf

This is a Technical Specification document for a Continuous Purge Layup System (CPLS) Condenser Manifold, a portable dry air layup manifold designed for use on CVN-class nuclear aircraft carriers (NIMITZ and FORD CLASS) undergoing overhaul at Norfolk Naval Shipyard (NNSY).

The manifold is a self-contained, fully enclosed system in a Pelican or equivalent carrying case, designed to introduce dried air to major ship components to halt or eliminate corrosion formation during maintenance periods when equipment is not in use. The system features one inlet shutoff valve for complete manifold isolation and two outlet shutoff valves for double-valve isolation of individual legs during maintenance. Key technical specifications include 3/4" diameter components rated for 150 psi minimum, Norgren R74C series pressure regulators with 5 psi minimum, Kunkle Model 1 safety relief valves set at 30 psi, Ashcroft 1006 series pressure gages (0-200 psi inlet, 0-60 psi outlet), and 3/4" NPT RCM Industries 0-200 SCFM flowmeters. All piping and components contacting the fluid boundary must be constructed of steel, stainless steel, copper, or copper alloy; brazing and soldering are prohibited for joints. The contractor must deliver six (6) manifolds to NNSY no later than October 1, 2024, with pricing quoted for a single order. Deliverables include as-built drawings (hard copy and electronic), comprehensive documentation in notebook binders, isometric renderings/photographs, technical instructions, operations and maintenance manuals, test reports, component parts lists, and operating instructions. A one-year commercial warranty applies from the date of expected delivery or acceptance. Testing requirements include air tests at 150 (+10/-0) psi, pressure relief valve operational tests, and valve cycling tests with documented results.