5.4.11 - Y-3878-11 HVAC Equipment.pdf

The documents are HVAC (Heating, Ventilation, and Air Conditioning) equipment diagrams for the Dredge Yaquina, a U.S. Army Corps of Engineers trailing suction hopper dredge. The detailed technical drawings include comprehensive equipment lists and layouts across multiple decks, including the bridge deck, pilot house, upper bridge deck, forecastle deck, and upper deck. The diagrams provide intricate schematics for steam duct heaters, dual duct boxes, fans, unit heaters, hot water converters, cooling coil lists, and fan coil units, with precise technical specifications and component locations marked for each system.

These technical drawings are part of the pre-solicitation documentation for the Yaquina Shipyard Overhaul FY26 contract (Solicitation Number W9127N25BA012), which involves a comprehensive vessel maintenance and repair project. The overhaul is expected to occur from August 2025 through February 2026, with a 60-day drydock period, and will include activities such as drydock examination, internal structural review, and renewal of U.S. Coast Guard certification. The project is limited to contractors in California, Oregon, and Washington, and requires a Master Ship and Repair Agreement (MSRA) with the U.S. Army Corps of Engineers, Portland District.