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Push Pier Installation Project: Foundation Repair Location: Lascassas, TN

Challenge:

 

Chris and his wife of Lascassas, TN had been noticing some issues with their home for about the last 5 years; a window or door sticking, some small cracks around door frames upstairs and some cracking inside of their crawl space.

 

They finally decided to give us a call because they wanted to paint a room in their home but were worried that a crack at the corner of their door frame would just reappear shortly after being painted over. Our specialist arrived and assessed the crack in the wall, as well as several windows and doors around the home that had been sticking and severe cracking in their crawl space.

 

Chris wanted a solution that would stabilize his home; stop the cracking in the interior drywall; and bring value to his home.

Solution:

 

Upon assessment, our specialist recommended the use of our galvanized steel push piers from our partner, Supportworks, to stabilize the home and potentially lift it back to its original state.

 

The plan called for six piers placed around the northeast corner of the home. Four of these piers would be located outside of the retaining wall of the home and the other two would be located inside the crawlspace on the other side of the wall. The piers are pushed into the ground until they hit bedrock, permanently stabilizing the foundation of the home.

 

Our production crew arrived on the jobsite the day of installation and began by benchmarking the locations at which the piers were to be located. After the benchmarks were placed, they began excavating the holes where the piers would be placed.

 

Once the initial holes for the piers were excavated, the crew had to dig the rest of the way down to the footer. This is a crucial step as you must get underneath of the footer to place the pier brackets in a spot where they can support and potentially lift the home.

 

After the footer was reached, it had to be prepped for the brackets to fit. This entailed using a jack hammer to grind the concrete footer down flat in the locations where brackets were to be placed. When the footer had been prepped it was time to place brackets and push piers. The brackets are fitted under the footer and the first piece of pipe is fed through them with a starter tube.

 

A hydraulic press is then positioned above the pier and used to drive pieces of pipe into the ground until bedrock is reached. On this specific job it only took more than one piece of 3 ½ ft. pipe to reach bedrock in one location. Every job is different and sometimes it can take up to 20-30 pieces of pipe to reach bedrock dependent on the soil makeup of the area.

 

After the piers were pushed, the crew had to cut off the excess pipe and cap them. Once cut and capped, a jack is used to potentially lift and stabilize the home. This part of the installation process is impressive as you can actually see and hear the home being lifted right before your eyes. Once stabilized it was time to backfill the holes with dirt and clean up the job site.

 

We were able to almost completely close the crack in the wall and stop all doors in the home from sticking. When asked about the results regarding the inside crack and the sticking of doors, Chris stated that “The difference was immediate.”

Project Summary Specialist: Bruce Cheatham Team Leader: James Allison Materials Used: 7 sections of push pipe (3.5’ each), 6 brackets, 6 starter tubes