USS Frank Cable
MacDonald-Miller has been working on sheet metal and controls projects on ships for years, but for the first time we moved into the specialized market of Navy air conditioning and refrigeration work. First stop, VIGOR Shipyard in Portland, Oregon to get air conditioning and refrigeration plants up to 100% working order on the USS Frank Cable after many years of no maintenance, as the ship was on its way to retirement. Scope of worked included:
200-Ton Centrifugal A/C Plants
Replacement of 1,100 copper nickel tubes in condenser bundles, Acid cleaning and pressure washing and dehydrating inside of three evaporators and condensers, Rebuilding of two 200-ton centrifugal compressors, Rebuilding of two 400 hpelectric motors, Rebuilding of seawater regulating valves & actuators, Welding on vessels where acid found corrosion, Cleaning of 2600# of R-236FA refrigerant to like-new state.
Refrigeration Freezers & Coolers
Performed full groom of all refrigeration equipment, Repaired all leaks, and Replaced all 404A refrigerant and oil.
Our Largest Sheet Metal job on a ship to date!
5 vaneaxial fans, 23 steam coils,12 chilled water coils, 1 complete new-air supply system to the engine room, Duct replacement in approximately 35 various fan room and compartments, Approximately 40,000 lbs of galvanized and stainless-steel duct work, Replacement of approximately 750 duct access doors, Crew of 8 for most of the duration.