Residential Case Studies

RAM JACK OF LOUISVILLE FOUNDATION REPAIR CASE STUDIES

RESIDENTIAL CASE STUDIES

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WATERPROOFING CRAWL SPACE AND SEAL PLATE REPAIR

JOB COMPLETE 10/24/2012

This house had a water issue in the crawl space. Over time, water had flooded the crawl space many times, without anyway of escaping. This resulted in moldy, damaged wood. The seal plate around 90% of the home was rotten, along with many floor joists. Some of the rooms were caving in around the corners because the wood had rotted away.

Ram Jack installed 2 sump pumps to evacuate water that made its way into the crawl space, not allowing water to gather and pool for long periods and reducing the humidity levels. The outside band boards were also rotten, so those were removed along with the seal plate and damaged floor joists. New wood was installed around most of the perimeter of the house. New column posts were also installed to provide support to the dipping floors, were old columns had settled. New insulation and tyvek wrapped the house and the siding was replaced were applicable.

BOWED WALL

The back wall of this house was bowing in approximately 3-4 inches at about 4 feet up the wall from the basement floor. Also, there were major signs of foundation settlement throughout the house.

Ram Jack of Louisville braced the floor above the basement with temporary column posts and lifted the floor weight off of the wall. Failed beams and tiebacks were removed and new steel I-beams were installed to secure the wall. Ram Jack then drove steel piers outside and inside to lift and secure the footer of three perimeter walls. Temporary braces had to be put up on the outside because the bowing created an "s” like curve to the wall. When the basement wall bowed in, it pushed the first floor wall out, pulling the brick ties lose and allowing the bricks to come away from the back wall of the house. Using a gorilla bracket system on the I-beams, Ram Jack was able to push the basement wall back into a safe position. A brick mason came out and repaired the bricks that had been pulled away from the house.

RESIDENTIAL CASE STUDY SHEPHERDSVILLE, KY.

JOB COMPLETED NOVEMBER, 16 2011

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SITUATION: BOWED WALLS ON BASEMENT AND GARAGE

This was a five year old residential home with an attached garage and basement foundation. The outer garage wall was poured 8 feet below grade and the inside wall led to a basement.Both walls had significant outward movement, bowing away from the center of the garage. The fact that the area of concern was the inside perimeter of the garage posed a problem for a few reasons. First, both sides would need to be pulled back in and secured. Second, the clearance into the garage was too low for an excavator to get inside and operate. Third, the depth of the walls and their distance apart from each other made it difficult to drive at the angle necessary and still clear the opposite wall and piers. Lastly, the inside basement wall had duct-work and water lines running along the top, making it difficult to install the I-beam supports and column posts needed.

SOLUTION: EIGHT RAM JACK HELICAL TIEBACKS USING DOUBLE HELICAL PLATES, 5 STEEL I-BEAMS

First, the interior basement wall, which was being pushed into the inside of the basement, would need steel I-beams to support it while the other side of the wall was excavated. This required us to temporarily move a water drain away from the wall. We had to create a system to brace in the I-beams from the other side of the duct-work by using all-threads, nuts, and plates. This allowed us to adjust pressure on the beams during the project. Temporary column posts would also be placed to take the weight off of the wall. Second, the garage floor was removed and the back-fill excavated in the center, to make space for the excavator, and approx. 8' along each wall. After proper excavation and supports where in place, eight Ram Jack Helical wall tiebacks where driven. Five helical wall tiebacks where installed on the bowed garage wall and 3 helical wall tie backs were installed on the bowed basement wall. The locations of each pier were carefully plotted to get the angle needed and to avoid driving the piers into each other or into the opposite wall and footer. Once installed, a series of helical piles were driven outside and lifting cylinders were braced to help push the wall back into place. An impact wrench was also used to supplement the pressure from the cylinders and tighten the nuts as we were moving the wall. Each wall was moved very carefully and methodically because previous movement had caused it to break into several pieces.

CONCLUSION:

Eight Ram Jack helical wall tie backs where driven at an average depth of 16 feet to achieve the correct ending driving pressure. Greater than 90% recovery was achieved. The customer stated that

"Ram Jack of Louisville is an awesome company to work with".

Ram Jack's helical wall tie back is an excellent method to permanently repair a bowed basement wall, bowed garage wall or a bowed retaining wall.

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