The project A recent expansion at the Olin Chlor Alkali Chemical Plant required new electrical distribution lines throughout the facilities. McKinney Drilling provided a turnkey service to install the new high voltage electric pole foundations. The challenge The plant’s facilities had to stay fully operational so work had to be done in and around an active plant that included existing low overhead, high voltage electric lines and structures. The presence of very hard dolomite limestone earth conditions was also not ideal. Olin Chlor Alkali chemical plantThe solution Six 72” and 84” caissons were installed for the pole foundations with average length of 27ft and 15ft to 20ft rock sockets. The dolomite limestone was pre-drilled prior to McKinney Drilling’s large diameter auger drilling, whic

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