New home built on First Nations Historical Midden Site. Due to the sites cultural significance any material excavated for the foundation would have to fulfill extensive archeological protocols and expenses. This house and sun deck has a concrete foundation supported by Postech Screw Piles rather than incurring the archeological costs this concrete beam did not […]
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Grade Beam – Rebar and Forms Samples
House addition on a steep hillside and under an existing deck that had failing footings. Customers design would not have been possible without Postech Screw Piles. Piles were installed under the existing structure to a depth and torque that could support the new and existing structure. Tops of piles are tied in with rebar then […]
House Underpinning on Hillside
House backing onto hillside on unstable fill. Foundation was sinking and screw piles were installed up to 20ft deep to find bearing ground. Pile tops will be attached to the foundation to prevent further sinking. Due to the depth of the fill it would have been impossible to excavate to bearing ground and the installation […]
Midden Site – Saving 4,000 years of First Nations artifacts.
4,000 year old midden site in Sechelt BC. When the property owner started to build an ancient long house site was revealed which halted excavating. Quoted in the Coast News Shilshalh Nation Chief Calvin Craigar said “This discovery is so important because it is so very close to the municipality of Sechelt. It tells you […]
Installation Through a Suspended Concrete Floor
Installing piles to a depth of approximately 50ft through a Suspended Concrete Floor that is 3 feet above the crawlspace. 8 inch holes were cut through the existing floor to preserve the existing floor and the piles and extensions were installed through the floor. These new piles will have a concrete pad poured on them […]
Flood Plain Screw Pile and Concrete Foundation
Flood Plain area next to Lake Cowichan building site for a new house has ground water within a couple of feet of the surface. The combination of using screw piles and concrete grade beams were a solution for this challenging site.
Tents and Yurts on Postech Screw Piles
Tents and Yurts on Postech Screw Piles in Pacific Rim National Park near Tofino. Biome-Canada installs tents and yurts across Canada in our National Parks for public use. Check out www.biome-canada.ca
Deck Footings
Footings for previous deck failed due to unstable ground. Contractor dug test holes 4 feet deep and could’t reach bearing for new footings. Postech Screw Piles were installed to depths between 6 and 7 feet and didn’t require any digging or disturbance to tree roots. 6 x 6 height adjustable saddles were used so that pressure […]
Underpinning Concrete Foundation
Concrete foundation did not have a footing and a large crack developed to the left of the crawlspace door. Our engineer developed a design where 2 screw piles were installed so the tops were approximately 1ft below the existing concrete. A Postech 8 x 8inch steel cap will sit on top of the piles and […]
Asphalt Installation
Carbide bit was used to pre drill holes through asphalt to install screw piles for a deck. Holes 10 inches in diameter were drilled so there was a clean round hole for the screw pile to be installed. This did not cause any damage to the surrounding surface or require any digging.