JMTJ Construction was established in February 2018 and has over 200+ years of combined high voltage electrical substation managerial experience. The company provides a wide variety of services tailored to customer specific expectations and equipment types. All work is performed by Qualified Electrical Workers, to industry standards and without risk to employees, equipment or the environment.
Available Services Include:
Testing, Commissioning, Start-up & Maintenance;
- Bus Inspection & Testing
- Cable Testing / Fault Location
- Circuit Breaker Services (480 V – 500 kV)
- Digital Fault Recorder Services
- Generator Testing
- Grounding System Survey
- HV, MV, and LV Switchgear Services
- Hi-pot Testing
- Infrared Survey
- Insulating Oil Analysis
- Motor Testing
- Oil Processing
- Power System Metering
- Power Transformer Services
- Power Line Carrier Services
- Protective Relay Calibration
- SCADA Services
- Station Battery Services
Substation Construction and Design;
- Field Construction Turnkey Projects
- Electrical Substation Foundations
- Medium and High Voltage Cable Installations
- Quality Assurance and Quality Control
- Construction and Maintenance of protective relays, SCADA, station batteries
- Construction of structures for installation of high-voltage transmission lines, steel poles, and lattice towers
- High voltage substations, switch-yards, cables, switch-gear, breakers, transformers, switches, including work with utility and power generation companies
Engineering Services, Project Management, Troubleshooting & Repair;
- Arc-flash Evaluations
- Power System Consulting
- Design Review
- Protective Device Coordination
- Root Cause Investigation
- System Automation Projects
- Turnkey Field Engineering Projects
- Staff Augmentation Assignments
- Emergency Call Out Service (24/7 – able to reach client locations in < 3-hours)
High Voltage Electrical Substation ConstructioVoltage TestingCommissioningSubstation Startup and MaintenanceSubstation ConstructioSubstation DesigElectrical Engineering ServicesProject ManagementElectrical Troubleshooting and Repair