August 22, 2007
Foundation Walls Stabilized With 18 Tie-Backs


Hole-Saw Guide
Hole-saw guide is temporarily
bolted to wall

Cutting Hole
Hole is cut through foundation
for tie-back insertion

Tie-backs are designed to "screw"
into earth, hold 15 tons each

Hydraulic drill
Hydraulic drill on guidepipe drives
tie-back 10' beyond wall

Tie-back shaft ends
Tie-back shaft ends will be fitted
with threaded socket

Wall retaining plates
Wall retaining plates are bolted
onto tie-back sockets

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