Project Details
Location: Fort St. John, BC
Time Frame: July 2015 - June 2016
Project Value: $60,000,000
Contract Type: Unit Rate
Services Rendered: Heavy Civil Construction
Project Summary
As Prime Contractor, Morgan facilitated the initial construction preparation work for the Site C Dam Project in Fort St John BC. The project included the excavation of 1.8 million m3 from the north bank and placed in a gully to facilitate the relocation of the creek. In preparation for the dam construction Morgan constructed 7.5 km of high-grade all-weather road, 2.4 km of this road was constructed within the Peace River along the toe of the adjacent escarpment. Roughly 750,000 m3 of alluvial gravel to facilitate the in-water road construction was excavated out of the center of the Peace River safely and without incident. In alignment with Morgan's core values of always finding a better way, Morgan provided value engineering by design building a pre-cast 3m diameter box culvert with 36m of bury as opposed to installing multi-plate corrugated steel pipe. Morgan is very proud to have been part of this high-profile project and construction team.
Project Scope
Built 5 km of conventional roads to access the construction site, including embankments and fills that were up to 34 m high
Constructed 2.5 km of roads within the river site access, as well as an abutment for a bridge
To construct the roads and produce aggregate, we excavated 750,000 m3 of material from the river's borrow sources
Designed and built a 2.4 m2 concrete box culvert and a temporary creek diversion system
Produced and placed various types of gravel, including sub-base, base, and filter layer gravels, to build the road
Riprap, which ranged from 10 kg to 500 kg, was produced and added to protect the slopes of the road
Culvert installation and drainage construction which included features such as ditches, cisterns, and stilling basins to manage water flow
Excavation and storage of potential acid-generating shales, including constructing a clay containment liner with HDPE cover
Stripping of organic material and subsoil to on-site stockpiles
Added topsoil and used hydro-seeding to establish vegetation on the back slopes of the road
Use of GPS survey layout and machine grade control to ensure precise construction of the project
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