D3. SCOPE OF WORK
D3.1 The Work to be done under the Contract shall consist of the installation of a Trunk Land Drainage Sewer and Assiniboine River outfall. The trunk sewer route is through the western part of Bourkevale Park, along Rutland Street from Portage Avenue to Silver Avenue, then through St. James Memorial Sports Park ending near the projection of St. Matthews Avenue.
D3.2 The major components of the Work are as follows:
(a) Construction and installation of 1960 m of 2400 mm diameter reinforced concrete pipe using microtunnelling method with a section of open trench excavation near the Assiniboine River outlet.
(b) Construction of lateral land drainage sewer stubs for future connections ranging in size from 300 mm to 1200 mm diameter, by trenchless and open excavation methods.
(c) Construction of a 2700 mm diameter Structural Plate Corrugated Steel Pipe outfall and riprap lined channel into the Assiniboine River in Bourkevale Park.
(d) Construction of a combined sewer interference crossing at Ness Avenue and Rutland Street, including temporary replacement of the combined sewer during tunneling and final replacement including the pipe interference after tunneling is complete.
(e) Relocation of approximately 780 m of existing combined sewer and sewer services on Rutland Street to outside of the potential tunnel zone of influence.
(f) Installation of new connections to existing catch basin and catch basin leads to new Land Drainage Sewer, abandonment of existing catch basin leads to combined sewers, and replacement of deteriorated catch basins.
(g) Surface restoration, minor surface drainage improvements in park areas, and related works.
