Trenchless Sewer Construction Project on Semple Avenue
The Work to be done under the Contract shall consist of the trenchless construction of a new 1800 mm (nominal) and 2100 mm (nominal) land drainage sewer (LDS), and associated sewer laterals on Semple Avenue from Scotia Street to McKenzie Street. Work will include mobilization, traffic control, construction of equipment…
Source ID: 1045-2019B
Scope overview
The Work to be done under the Contract shall consist of the trenchless construction of a new 1800 mm (nominal) and 2100 mm (nominal) land drainage sewer (LDS), and associated sewer laterals on Semple Avenue from Scotia Street to McKenzie Street.
Work will include mobilization, traffic control, construction of equipment launch and retrieval shafts, installation of pipe, installation of maintenance holes, street repairs and site restoration D3.2 Trenchless installation methods used for installation of the trunk LDS sewer must be capable of long continuous drives as indicated on the Drawings, to minimize disturbance to the community.
Installation may be made via one pass or two pass tunneling methods as indicated in RFQ 1045-2019A. D3.3 The major components of the Work are as follows: (a) Mobilization and site development. (b) Development and implementation of traffic controls. (c) Installation and monitoring of surface features, subsurface features, and buildings to identify potential settlements as a result of tunneling activities.
(d) Construction of shafts to facilitate tunneling. (e) Trenchless installation of approximately 400 m of 1800 mm LDS piping utilizing either single-pass or two-pass tunneling methods. (f) Trenchless installation of approximately 1150 m of 2100 mm LDS piping utilizing either single-pass or two-pass tunneling methods. (g) Trenchless installation of sewer lateral stub-outs for future contracts.
(h) Installation of manholes on new sewer trunk. (i) Connection of existing catch basins to new sewer trunk. (j) Surface restoration and related works. D3.4 The pre-bid estimate for this Contract is $22,700,000.
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