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HIGH VOLTAGE SOLUTIONS
Specialty services
for substations and
switchyards
Our High Voltage Group provides engineering, procurement and
construction (EPC) services for power distribution centers (PDC) and
skid-mounted products to public and private customers throughout the
United States. Our long experience of the engineering and construction
requirements specific to power environments allows us
to address each project with safety, skill and integrity.
DISTINCTIVE OUTCOMES
• We offer complete design-build turnkey services including foundations,
grounding, buss, raceway and cable for all high voltage equipment.
• Our team has extensive experience in executing complex startup and cut-in
procedures.
• Our 100,000 square foot Lubbock Fabrication Facility brings together
equipment, installation, construction, fabrication, testing, diagnostics and
maintenance services. Being one of the few U.S. companies to manufacture this
type of equipment enhances our ability to execute on spec, on time,
and on budget, and single-point accountability.
• Our $75 million per year of electrical equipment purchasing volume includes
excellent relationships with all major manufacturers, helping ensure best pricing
and delivery.
• Our customized engineered substation maintenance program has more than
250 substations, including several Zachry owned and operated facilities.
• Our EPC substation lease arrangements can improve project viability, including
long-term leases (15-20 years) and inventories of key spare equipment.
DISTINCTIVE PROCESSES
• We are an industry leader in the development and implementation of quality
predictive and preventive maintenance services.
• Seasoned leaders and skilled craft workers are our most important resources,
and their collective knowledge has led to multiple pioneering successes in the
high voltage area.
• Our direct-hire approach controls project staffing, schedule and budget.
We self-perform more than 90 percent of the contracted work across all
major disciplines.
• Our long-term perspective on relationships creates superior value for customers.
Our customers include:

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With Zachry High Voltage Group’s standard design packages, we can modify and deliver customized,
site specific options for fast-track projects. We’re able to leverage project design and technology
development resources from Zachry Group’s multiple engineering offices and project management
and support from Zachry’s Home Office. Our experience in development, design, procurement,
construction and maintenance combine with Zachry’s construction-driven focus to offer customers
value—both in cost and peace-of-mind.
PLAN
• Feasibility and reliability studies
• Conceptual design and economic evaluation
• Specification engineered to owner or Zachry standards
• Relay/control engineering and commissioning
• Complete engineered services (new or upgrade/retrofit)
BUILD
• Power transformers
• Circuit breakers, metal clad switchgear
• Circuit switchers
• Station battery systems
• Motor operated switches
• Gang operated switches
RENEW
• Testing & Maintenance
– Power transformers
• Turns ratio testing (TTR)
• Dissolved Gas Analysis (DGA)
• Power factor (Doble) testing
– Power circuit breakers
• Timing tests
• Power factor (Doble) testing
• Gas leak detection
• Contact resistance testing
– Protective relays
• Relay setting application
• Automated testing
• Current transformer testing
• Functional protection scheme testing
• Event analysis and troubleshooting
For more information:
Kyle Beebe
Business Development Manager
Zachry Group – High Voltage
616 Davis Drive
Lubbock, TX 79416
beebek@zhi.com
806.588.0832 (O)
210.542.7680 (C)
T 210.588.5000
F 210.588.5060
527 Logwood Ave.
San Antonio, TX 78221
Zachry Group