Coastal Gaslink – Endako Isolation
Arch Engineers isolated a salmon habitat riverbed for Coastal Gaslink using an eco-sensitive, technically complex method that met all regs and deadlines.
Pipeline
Coastal Gaslink – Endako Entry
Engineered a custom strut system and hydro-barrier for Coastal Gaslink that deployed a rapid stabilization strategy and safeguarded sensitive waterways.
Trans Mountain Expansion – Clearwater DPI Entry
Arch delivered urgent structural solutions for the entry way that stabilized the excavation and safeguarded thruster installation in Clearwater.
Slope Stabilization and Excavation Shoring on Pipeline
Arch Engineers provided pipeline slope stabilization and excavation shoring designs for 200+ projects, ensuring strength and security.
Clearwater DPI
Arch Engineers revised DPI pit designs during construction to address boulders and maintain schedule on the trenchless crossing.
Valemount KP541 Pits
A misapplied design from an adjacent contractor led to critical instability—Arch Engineers stepped in to halt work, stabilize the site, and safely guide the project to completion.
Endako River Sheet Pile and Shoring Design
Engineered deep pits and sheet pile shoring for in-water isolation, enabling major HDD installation under pressing timelines.
TransMountain Expansion – Underpass & Retaining Wall
Engineered underpass, retaining wall, and bridge abutments to support heavy pipe and equipment loads along the Trans Mountain Expansion.
Crane Recovery Lift Plan
Expertly crafted a recovery lift plan that enabled safe crane recovery on steep terrain, minimizing downtime and ensuring site safety.
ECS2 Steep Slope Civil Engineering
Delivered steep slope engineering and access design for a 22% grade corridor, enabling safe transport of oversized loads in rugged terrain.