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 […]
Archive | Blog
RSS feed for this sectionGrade 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 […]
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.
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 […]
Hot tub deck on hillside.
Screw Piles were the solution for this deck with out causing any damage to sensitive tree roots and also enabled the deck to be built right on the edge of a steep hillside and still have the capacity to carry the load of a hot tub.
Deck on Edge of Steep Bank
Business Entryway
New business entryway supported by Postech Screw Piles backfill. Some of the piles had to be installed to just over 30 feet to reach bearing ground as the backfill had no capacity to support the new roof structure and building facade. The general contractor said the use of screw piles save the customer tens of […]
Cable Tie Back
Hop farm installing screw piles in loose sand as tie backs for cables that will hold up Hops. Because supporting the beer industry is important!