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Value Engineering


EAC approaches Value Engineering with a strong commitment to providing the best value to the Owner. By utilizing our excellent relationships with top consulting engineering firms, we are able to leverage ideas generated by our in-house engineers. We encourage efficient design in order to eliminate waste and produce ‘Best for Project’ results.


Sea to Sky Highway Test Section
Six Mile to Rafter's Pullout
Kincolith Extention Project
Trent River Bridge

:: Sea to Sky Highway Test Section


The Test Section was a particularly difficult piece of the Sea to Sky Highway, which runs from Vancouver to Whistler. The original design called for the narrow, 2-lane section to be expanded to four lanes by constructing a split grade alignment with retaining walls at both the outside and centerline of the highway. The project was constrained by a high bluff on the uphill side and the railway below.


The project utilized the Alliance contract model in which the owner, designer and contractor all have a stake in the outcome. This model encourages innovative approaches and opportunities for re-design while construction is underway. After a short period on site, EAC recognized a significant opportunity to redesign the project.


The entire project was redesigned and the split-grade alignment was eliminated. Various downslope retaining walls were used to create room for the additional two lanes of traffic.


The Test Section project was completed on time and realized a 30% savings in construction cost due to the redesign. The techniques pioneered by EAC on the Test Section have been utilized on the balance of the Sea to Sky corridor upgrades. The project won a Deputy Minster’s Award for Specialized Engineering Services. Up

:: Six Mile to Rafter’s Pullout

This project is located on the Trans Canada Highway in the Kicking Horse Canyon, just east of Golden, B.C. EAC submitted the low tender and was awarded the $17 million, 1.9 km project in the fall of 2004. The project included very challenging rock cuts, retaining walls perched over the Kicking Horse River and construction of two 2-lane bridges that crossed over the river and back.


EAC recognized an opportunity to Value Engineer the two bridges and replace them with a single 4-lane cantilever structure that, at its widest point, stretches 4.7m out over the Kicking Horse River. The cantilever design minimized the environmental impacts to the river by eliminating the need for large caissons for each of the bridges. Other improvements were made to the road alignment and retaining walls. When the Value Engineering process was complete, the entire project had been re-engineered.


The Value Engineering of the project resulted in a total savings of approximately $2.5 million. This project won a Concrete Construction Award in 2007 for Technical Merit. Up


:: Kincolith Extension Project

EAC was a significant participant in the Kincolith Extension Project. Located in the northwest corner of BC and part of the Nisga'a Land Settlement, the project involved new construction of 28 km of road to join two remote villages. This road traverses some of the most beautiful and rugged land to be found in BC.


An extreme challenge to access, the project has called for barging of equipment and materials and the establishment of beachheads from the barges. Strongly influenced by the tide, the Nass River can recede up to 1 km and leave large portions of the project temporarily inaccessible.


The work involved 450,000 m3 of rock excavation, 400,000 m3 of earth excavation, 2 major structures, dozens of major culvert crossings and supply and placement of gravels. The rock excavation was some of the most difficult encountered in British Columbia, with extensive pioneering and scaling work required throughout.

The Kincolith Extension Project project was completed using an Alliance model contract. This means that the owner and contractor share the risk, and a bonus is available for under-budget completion. Up


:: Trent River Bridge

In 1997, EAC began construction of the Hart Creek Project, a part of the Vancouver Inland Island Highway. This large project included extensive earth and rock excavation, three major concrete bridges, and three large multi-plate structures.


EAC submitted a complete redesign proposal for the Trent River Bridge. The bridge consists of 3 spans with twin decks and a total span of 110m.


The revised design of the Trent River Bridge eliminated costly rock anchors and greatly simplified the substructure design. The circular columns reached 15.5 metres in height and were capped by integral diaphragms. The original steel girders were replaced with pre-cast concrete 'I' girders that were spliced at the piers.


The value engineering proposals on this project resulted in a savings of nearly $500,000.Up


:: Trent River Bridge Construction

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