Specifications include, but are not limited to: The proposed work consists of furnishing labor, tools, and equipment to: (1) repair or replace existing drainage system components, and (2) install new drainage systems on various bridges within the limits of District Six. The Contractor shall also provide traffic management where applicable when making repairs or replacements. No work shall be performed under this contract until specifically authorized and directed by the MassDOT. Majority of the drainage repair work will be performed at multiple locations of Bridge B-16- 281=S-17-038 in Boston and Somerville. This Bridge carries I-93 NB and SB sections near the Sullivan Square MBTA Orange line Train Station. Work to be done includes (1) the replacement of existing finger joint trough system and its supports, (2) the installation of fiberglass pipe connection between the downspout and the underground drainage system, (3) the repair of the underground concrete drainage vaults, (4) the repair of manhole structures, (5) Other repairs as specified on the drawings. Details and locations of the work are provided in this Contract.