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Foundation Stabilizers Installs (80) Helical Anchors for a High School Wetlands Boardwalk in Trumbull, CT

Foundation Stabilizers, Inc.

5 Nelson Avenue

Wappingers Falls, NY 12590


MacLean Power Ssytems - Civil Products Group MacLean Power Ssytems - Civil Products Group

St Joseph's High School in Trumbull, CT wanted a way to bring their students closer to nature.  The plan called for a footpath trail and an elevated walkway through their wetlands property.  The walkway would have (2) stream crossings and (2) observation decks.  FSI was brought on board to complete the entire project start to finish. 

First, FSI met with the DEC to discuss the entire order of operations, detailing every scenario and how the environment would be protected throughout each step of the project.  This was a DEC delineated wetland.  Extreme care was taken every step of the project to maintain a minimally invasive footprint.  FSI had to complete the entire project from within a 6 ft. wide foot print of the path.  FSI cleared over 500 linear feet of trail that crossed (2) streams, cutting 6 inches and carefully bringing in over 450 tons of processed aggregate and stone dust to create a permanent foot path.

FSI used small footprint equipment to drill (80) Maclean Dixie Helical piles to support the 350 ft long walkway. The equipment had to fit between the 4 ft. wide spacing of the piles.  Piles consisted of 1.50” square shaft with 10”-12” helices, and the piles were connected to Maclean’s wetland brackets.  Piles were installed to 15 ft.   FSI field crews built DEC approved swamp mats to move materials and equipment over the stream.

Once pile installation was complete, FSI constructed the boardwalk, framing the entire walkway, (2) observation decks, and installing all the decking.  Upon completion, FSI demobilized and cleared the site of any evidence that construction even took place.  The entire project was successfully completed in (1) month.