5.9.9 - Y-3878-11 HVAC Equipment.pdf

The documents are HVAC (Heating, Ventilation, and Air Conditioning) equipment and system diagrams for the Dredge Yaquina, a U.S. Army Corps of Engineers trailing suction hopper dredge. The technical drawings detail the HVAC equipment configuration across multiple decks, including the bridge deck, upper bridge deck, forecastle deck, and upper deck, with comprehensive equipment lists specifying units, capacities, and technical specifications for steam duct heaters, dual duct boxes, fans, unit heaters, hot water converters, cooling coils, and electrical and convection heater lists. The diagrams provide intricate routing and placement of HVAC components throughout the vessel's different levels, indicating a complex and detailed design for environmental control systems on this maritime vessel.