Specifications include, but are not limited to: work consists of removal and replacement of existing steam and condensate piping, sanitary 42 sewer and storm sewer in the area proposed for future building additions ; The work also includes construction of two new steam pits and approximately 44 50’ of underground Pedestrian Tunnel to serve future MJTC addition. ; New direct-buried steam and condensate pipe will be extended from existing steam pit P-4 to a new cast-in51 place steam pit 4A, from new steam pit 4A to a new cast-in-place steam pit 6A and from new steam pit 6A 52 to existing steam pit P-6. A portion of the new steam and condensate pipe will route through the upper 53 portion of the new Pedestrian Tunnel. ; Approximately 50 feet of new underground Pedestrian Tunnel will be constructed. This portion of tunnel will connect to the existing Pedestrian Tunnel. The steam and condensate piping will cross through the upper portion of the tunnel ;