822-2020 - Baltimore Force Main Pipe Crossing the St. Vital Bridge

D3.1 The Work to be done under the Contract shall consist of removal and replacement of the existing aerial supported Baltimore force main

D3.2 The major components of the Work are as follows:
(a) Mobilizing to Site;
(b) Removing birds nests and plugging potential nesting locations on the St. Vital Bridge;
(c) Installing temporary work platforms/demolition catch platforms;
(d) Removing the existing Baltimore aerial force main pipe and associated appurtenances crossing the St. Vital Bridge;
(e) Constructing expanded concrete supports at Pier Nos. 2, 5, and 7 to support the new aerial force main pipe;
(f) Supplying and installing the structural support assembly for the new aerial force main pipe;
(g) Supplying and installing new steel pipe support bearings;
(h) Coordinating delivery and installing the new aerial force main pipe;
(i) Supplying and installing riverbank connection piping;
(j) Supplying and installing electrical and controls;
(k) Tying the new force main into the existing system;
(l) Commissioning the new force main;
(m) Decommissioning and removing the existing temporary by-pass system;
(n) Restoring the Site; and
(o) Demobilizing from Site.