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“I trust CTI on my jobsite and recommend them for demanding projects.” – Korie Bishop, The Whiting-Turner Contracting Co.

Selective Demolition Helps Create World's Largest Botanical Garden

Engineering Challenge
In New York's Hudson River Valley, designers creating the world's largest botanical garden proposed a novel challenge that was nothing short of moving a mountain. They wanted to center their design around one of the valley's granite mountain ridges, but only after it had been cut from its original perch and carefully reassembled on another side of the garden's 2,000-acre property. Since the delicate moss, trees and foliage that cloaked the ridge were so important to its unique character, the designers demanded all vegetation remain in perfect condition throughout the move.

The CTI Solution
As the details of the relocation effort emerged, the overriding concern became the protection and safe transport of the fracture-prone rock. With the aid of CTI Advanced Engineering Solutions™, CTI's project managers devised a cutting and rigging plan that would safeguard the granite by cutting it into sections no less than 6-feet thick, and by drilling and installing a series of protective reinforcing pins.

The diamond wire saws, themselves, presented a challenge since they were designed to cut concrete - not the denser granite of the ridge. To overcome this, CTI formulated a specialized composite diamond wire capable of shearing through the formidable rock.

To preserve the ridge's natural look, CTI technicians carefully hid all cuts in the cracks and fissures that lined the surface. They also shielded the rock face and vegetation from debris, and took measures to divert the gray-black slurry water that drains from each saw's cooling system.

Operating as many as eight saws around the clock, a total of 7,200 square feet of granite weighing more than 2,500 tons was safely cut, rigged, moved and re-erected to create the grand focal point of a beautiful garden.

Read more selective demolition case studies...

Contact CTI today to learn how our selective demolition services can provide unparalleled value on your next project.

one piece Granite cut
A large void was created when a section of granite was cut and removed in one piece.
access holes for diamond wire sawing
Technicians drill access holes to feed the diamond wire through the rock face.
wire sawing rock from a cliff
A saw draws wire through the bottom cut to separate a piece of rock from a cliff.
granite sectioned
A 77-ton section of granite that has been freed from its perch high above.
rock face cut and dismantled
The rock face is systematically cut and dismantled.
plastic sheeting rocks
Plastic sheeting protects the rock's unique character from the wire saws' slurry.

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