Engineering Design

Nares River Bridge

PROJECT DETAILS The Nares River Bridge was built to replace the existing wooden bridge built in 1970 to accommodate mining activity in the area. The new bridge was required because the wooden bridge could not accommodate the large loads and demands of today’s vehicles. The new bridge is a three-span continuous structure with an overall

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Alaska Highway Realignment – KM 742 to KM 750

Project Details Cobalt Construction Inc. was awarded the contract by Public Works and Government Services of Canada (PWGSC) for the realignment of the Alaska Highway from 742 km to 750 km. The project included excavating and placing approximately 1,000,000 cubic metres of embankment, sub-base and base course material in construction of the road. Additional work

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Highway 831

PROJECT DETAILS This Alberta Transportation project included pavement rehabilitation and safety improvements on 30 km of Highway 831:10 from Hwy 661 to Hwy 63. The pavement rehabilitation included subgrade excavation and full width mill and replace to maintain the existing roadway width. Geometric improvements to six intersections and a safety rest area are proposed, including

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Highway 64

This Alberta Transportation project included pavement rehabilitation of 17.85 km of Highway 64:02 from the BC Border to 6 km east of Highway 717 as well as the safety rest area at km 1.4. The pavement rehabilitation included subgrade excavation, mill and fill transverse crack repair, spray patch and an asphalt overlay. Other miscellaneous work

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Carcross Biomass

Project Details Biomass is renewable organic material that can be transformed into clean usable energy. A very common practice is to use biomass boilers in small scale heating systems which often burn wood chips, shavings, sawdust, and pellets to produce heat/energy. This is very sustainable and economical as these biomass sources are often byproducts from

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