Appointment of Authority Engineer for providing project management services for" Construction of Important Bridge No. 313 Up & Dn line on new alignment including Earthwork, Track work and associated Civil Works ( From Chainage Rly KM 188 + 200 to Rly KM 189 + 500 ) between Pardi station and Atul station in connection with increase of speed to 160 kmph in Virar- Surat section of Mumbai Division on Western Railway"