Coastal Erosion Protection

Public Works and Government Services Canada
Metchosin, BC

The work took place at the William Head Institution, a federal prison facility located on a peninsula with a diverse coastline of steep bedrock and rocky outcrops extending into inter-tidal areas. The shoreline has been subject to erosion from storms, high tides and wave action.

Our work included site preparation, excavation and grading, and placement of the rip rap armour rock. We also built a wave energy difuser for the largest and most exposed protection area in the event of extreme storm or tsunami wave action. Additionally, several of the sites required the construction of temporary accesses on steep, rocky terrain with the ocean ready to punish any miscues.

The project sites were documented as being highly productive and diverse habitats for a range of plant and animal species, so the work had to be done in a careful and minimally disruptive manner. Continuous environmental monitoring was in place, and the work was completed without incident.

Outfall Repair Project at Annacis Island Wastewater Treatment Plant

Westminster Highway Culvert Replacement

Hard Ground Dredging & Sediment Remediation

South Delta Main No. 1 Replacement Phase 2

SeaBus Maintenance Dock Temporary Berth

Road Rail Utility Corridor, Ridley Island

Diavik Dike Foundation Preparation

Coquitlam UV Disinfection Plant

Annacis Island Wastewater Treatment Plant

Fraser River Forcemain Crossing – Land Portion

Middle Harbour Fill Site Remediation