Downtown Underground Transmission Duct Bank Installation

Houston, Texas

Binkley & Barfield | DCCM provided engineering and construction support services for the design of a 138 kilovolt transmission duct bank to replace the existing aging oil-filled facilities that serve the growing and highly congested Downtown and Midtown areas of Houston. More than 12,600 linear feet of underground transmission duct back was designed to connect three critical substations that serve these areas. The design included installations within existing substation facilities along and across TxDOT right-of-way, through the St. Joseph Medical Center, in front of the Toyota Center, and under the METRORail Red Line.

Binkley & Barfield | DCCM worked with the client to optimize the duct bank configuration and layout to maximize the construction and operation methods’ efficiencies. Specialized planning and equipment were utilized by Binkley & Barfield | DCCM to accommodate two horizontal directional drilling drills in very restrictive, narrow, and congested areas of the project.

Professional services included engineering analysis and design, topographic survey, signed and sealed plan and profile drawings, traffic control plans, construction method solutions, conflict resolutions, utility research, coordination and permitting (with TxDOT, City of Houston, and Metropolitan Transit Authority of Harris County [METRO]), signed and sealed as-built plans, geotechnical services, and construction phase support. All the designs were in accordance with the client’s standards and specifications and federal, state, and municipal requirements.

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