Project Portfolio: Earthworks

Wind turbine earthwork

Ossa Terra Ltd assisted Borea Construction with earthworks for the installation of some wind turbines. 2021-2023 various dates and job areas, mostly near Bow Island Alberta. Read More

St. Mary's Canal Slip Repairs

Ossa Terra worked on slip and erosion repairs in the Waterton to St. Mary's Headworks Canal System in February to April 2021 while the weather was still colder. Read More

Japanese Gardens Site Services

Ossa Terra Ltd worked as a subcontractor, assisting with a site sevices renovation at the Nikka Yuko Japanese Gardens in Lethbridge in 2020. Read More

Southbrook Intersection Improvements

This project was completed in the Spring 2019 and involves the construction of two new interchanges in the south of Lethbridge. Ossa Terra's work includes removal of existing curb and gutter, topsoil stripping and placement, excavation, and culvert installations. Read More

MD of Taber Drainage Improvements

Ossa Terra worked on improving drainage in the Municipal District of Taber near Horsefly Lake Resevoir and improved ditching beside some of the nearby roads in 2020 into 2021. Read More

Purple Springs culvert installation

Ossa Terra Ltd installed a culvert under a road at the edge of Purple Springs in the Municipal District of Taber in winter 2019-2020. Read More

Milk River Storage Reservoir

The Milk River Raw Water Storage Reservoir built for the Town of Milk River. This project should more than double the storage capacity of the town. This project was started and completed in 2018. Read More

Malloy Drain Phase 2A

Ossa Terra Ltd successfully bid for part of Phase 2A of the Malloy Drain Stormwater Management Project in Coaldale. The Malloy Drain Stormwater Management Project was set up as a collaboration between the Town of Coaldale, Lethbridge County, Alberta Transportation, Alberta Environment, and St.Mary R... Read More

Bow Island Westview Crescent Subdivision

This was one of our major projects of the summer of 2017.  Located on an 8.4 hectare site in the Town of Bow Island, it was the development of a subdivision which including the construction of a storm water management facility along with Road construction and the creation of 15 residential lots... Read More

Town of Coaldale 20th Ave Extension

In the town of Coaldale, Ossa Terra was involved in 350 meters of 20th Avenue's reconstruction. This included removals, common and waste excavation. The topsoil was stripped and replaced, and the roadway was regraded. Storm main pipes, manholes, and catch basins were installed. Ossa Terra also worke... Read More

Claresholm Pond

Ossa Terra worked for the Town of Claresholm on the storm water pond and storm drain repairs there. This encluded cleaning ditches to ensure that water would drain effeciently in the case of a storm. Read More

Lethbridge County RR20-0

This job was a reconstruction of a two mile section of gravel road located in Lethbridge County. Read More

Town of Coalhurst RR22-3

Ossa Terra worked on a range road 22-3 for the Town of Coalhurst. This project included over 30,000 cubic meters of common excavation, 21,000 square meters of base coat, 20,000 square meters of paving, as well as culvert replacements, line painting, traffic signage, topsoil and seeding in order... Read More

City of Lethbridge Legacy Park

Ossa Terra worked on the site servicing and parking lots of Legacy Park a new regional park being built near the Legacy Ridge subdivision in Lethbridge. The park is 22 hectares in size. The work Ossa Terra did included Storm Sewer, Sanitary Sewer, Water distributation and grading. We completed this... Read More

City of Lethbridge Closed Landfill

This project involved the repair of a closed landfill in the city of Lethbridge . It included many different aspects such as: stripping, excavation, sensitive fill placement, placing gabion matresses, erosion control, topsoil placement and fine grading. Read More

Henderson Lake Pool Deconstruction

The project comprised the deconstruction of the Henderson Lake Outdoor Swimming Pool and the adjacent viewing platform. Read More


Contracted by Ward Bros Construction Ltd, Ossa Terra Ltd has been involved since 2009 on this mutli-phase renovation. Aspects of this project included demolition of football field items; sidewalk, ramp, and tree demolitions; excavation; and backfill for the addition along with the supply and install... Read More