Steam Repairs Phase VIIIC

This project will complete upgrades to the steam and condensate piping in the North Campus walkable steam tunnel, trench and mechanical rooms of DH Hill Library. The current piping is sized for 30 psi, and the University is moving to install 150 psi steam pipe throughout the entire campus. Removing 30 psi steam from the tunnel removes steam pressure reducing stations from the tunnel as well as reduces distribution pipe size. The scope includes asbestos abatement of all insulation around existing steam pipe; removal of the 30 psi steam pipe and associated condensate pipe; relocation of the existing Pressure Reducing Valve (PRV) station in the tunnel; excavation of the area over the trench located south of the Atrium; installation of new 150 psi steam pipe and condensate pipe in the trench and the service hallways and mechanical rooms for the DH Hill Library; installation of new structural supports including anchors and guides for the steam and condensate lines; installation of new insulation around the new 150 psi steam pipe; building and installation of new PRV stations in the mechanical rooms to convert the incoming 150 psi steam to 30 psi steam so that the steam is at a level suitable for the existing building equipment.

Division 23 -	Heating, Ventilating, and Air Conditioning (HVAC).
Division 33 -	Utilities, Schedules for Utilities, Schedules for Hydronic and Steam Energy Utilities.
Division 40 -	Process Integration, Steam Process Piping, Intermediate-Pressure Steam Process Piping.