Pine Pass and South Peace Floods

Following severe rain in June 2011, Hwy 97 experienced floods between Pine Pass and 20km south of Chetwynd (a length of 60km), with 73 damaged sites. This flooding resulted in the loss of culverts and bridge end fills, and washouts along various portions of the highway, forcing closure of this vital route.

Water Management for the Salmon River Dam Decommissioning

During the summer of 2017, BC Hydro’s 60-year old creosote timber dam was completely removed from the Salmon River on Vancouver Island, and the site was re-naturalized. McElhanney designed bypass channels, cofferdams, and river diversion works to use as small a footprint as possible in this narrow and hectic worksite.

Grasslands Scenic Roadway

Grasslands National Park is a unique and sensitive habitat, boasting breathtaking views and stunning hiking trails. Established in 1981 and split into two blocks, Grasslands National Park represents the Prairie Grasslands region, protecting a sensitive area of undisturbed dry mixed-grass / shortgrass prairie grassland. The unique landscape and harsh, semi-arid climate provide niches for several adapted plants and animals. The park and surrounding area house the country’s only black-tailed prairie dog colonies. Rare and endangered wildlife found in the park include bison, pronghorns, greater sage-grouses, burrowing owls, brown bears, coyotes, ferruginous hawks, swift foxes, elk, wolverines, prairie rattlesnakes, black-footed ferrets and greater short-horned lizards.

Pattullo Bridge Deck Rehabilitation

TransLink and the Ministry of Transportation and Infrastructure brought on McElhanney as the prime consultant to address deck repairs and create both a traffic management plan and an operations plan. The result was comprehensive plan that allowed the bridge deck rehabilitation to be completed and re-opened ahead of schedule.

Port Mann Highway 1 Roadworks and Detour Designs

During construction, more than 120,000 vehicles drove over the Port Mann Bridge every day, ranging from commuters (travelling 80km/h) to slow-moving construction machinery. The detour designs needed to incorporate HOV lanes, cycling lanes, and dedicated bus and truck ramps, and ensure high-speed and low-speed traffic did not mix.

View Royal Sanitary Master Plan

The Town of View Royal’s sanitary sewer master plan was last updated in 2005. Since then, the region has undergone significant growth, and their plan and systems need to be upgraded. Currently their sanitary sewer system is comprised of a gravity collection pipe network and 17 pumping stations. View Royal hired McElhanney to update past system models to reflect current operating conditions, to assess existing system conditions and service life, and prepare a capital plan list to help the town prioritize short-term and long-term upgrades.