Key Achievements Application Technique Market sector Owner Main contractor Engineer Keller business unit (s) MCCLELLAND TRANSMISSION LINE NEW CASTLE, PENNSYLVANIA • McKinney Drilling Company (MDC) offered an accelerated schedule to complete all work in a single phase rather than the two originally planned and were able to assist in finishing ahead of the client’s anticipated schedule, which saved them money. • The project The project consisted of the construction of a new 0.5-mile transmission line connecting a new substation to an existing transmission line. The project had 11 transmission poles each 130 ft supported on drilled shaft foundations ranging from 84 to 132-in-diameters. The soil conditions warranted the use of polymer slurry due to a high-water table in swamp-like areas

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