Specifications include, but are not limited to: All joints are to be rehabilitated with the HydraTite joint system in conjunction with concrete repairs to the inverts (where necessary or as directed by Town) as well as concrete parging of the headwalls, wingwalls, and cutoff walls if applicable ; Roadway is to be kept open to the traveling public at all times. Rehabilitation must include sealing/parging all around pipe at both the inlet and outlets to eliminate scour potential and installation of intermediate rip rap at inlet and outlet for scour control (see Rip-Rap specifications for more detail). Approximately 12 linear feet of invert in the 2nd, 3rd and 4th barrels from the upstream end have invert loss with exposed rebar that must be cleaned of rust and other corrosion then repaired with non-shrink grout and have HydraTite seals installed. All pick holes shall be sealed with non-shrink grout.