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Home Case Studies New Fresno - Stability for New Fresno Zoo Exhibits

New Fresno - Stability for New Fresno Zoo Exhibits

EagleLIFT constructed two New Fresno Zoo exhibits for the Hornbills and Tigers. Read more about it here and other completed projects. Contact us for more information!

Helical Piles & Anchors Installation

The Fresno Chaffee Zoo has been inspiring Fresno residents and visitor to care for animals and save wildlife for over 90 years. In early 2022, the Zoo began construction on two new exhibits for their Kingdoms of Asia area featuring Hornbills and Tigers.  And EagleLIFT helped by providing stability using helical piles. 
The new enclosures each featured fencing that provides excellent viewable space while providing protection for both the visitors and the animals.  To provide extra stability for the enclosures, EagleLIFT was contacted to install helical anchors to keep the fencing in place.  
Helical piles installation
Helical piles contractor installation

Helical Piles Contractor

For both enclosures, the general contractor installed vertical 25’ steel fence posts that were anchored in place to  2’x2’ spread footings.  At each post, EagleLIFT installed 1 to 2 helical piles to firmly anchor the posts in place.  The anchors were installed at 45° positions on the outside of the fencing with new construction caps welded to the top.  Through the cap the tension cable was bolted through an eyelet which was subsequently connected to the top of the post. 
The helicals were installed at a 60° angle away from the fence posts.  The angles helped ensure that if any movement in the fence occurred there wouldn’t be any kinks that formed in the cables.  The Tiger exhibit consisted of 6 posts, 5 of which had two helical piers each and one with a single helical pier.  The Hornbill exhibit consisted of 5 fence posts, each with two helical anchors each.   The helicals were installed at 30 and 75 kips respectfully.
The project was completed over 15 days and was a complete success. 
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