The work is detailed in four (4) volumes of documents. Work within Volumes I and II generally consist of construction of a consolidation conduit, a junction chamber, three (3) diversion structures, new outfall pipe at OF214, a Gate and Screenings Structure (GSS) and associated approach channel, associated structures and appurtenances at the site in Pawtucket, RI. Work includes preparation of the site, construction of a consolidation conduit with segments installed by both conventional trench and trenchless installation techniques, construction of diversion structures to divert flow from the outfall to the consolidation conduit, construction of a Gate and Screenings Structure and associated approach channel to divert flow from the consolidation conduit to a newly constructed drop shaft (constructed by others) down to the CSO storage tunnel (constructed by others), construction of a new outfall pipe, protection and relocation of existing utilities, and restoration of the work limits with new curbing, sidewalks, and bike path and roadway paving. Volume III work is associated with construction of relief sewer associated with OF-203 and other utility modifications associated with the work. Volume IV work includes construction of modifications to an existing CSO regulator structure and associated grit chamber, including removal and installation of a new underflow pipe and associated roadway and sidewalk restoration. Volume I, III, and IV are being funded through the SRF and WIFIA loan programs. Volume II is being funded by EDA, CDBG, and HUD.
