24/7 Maintenance and Facility Support



Electrical and Instrumentation Services

Electrical and Instrumentation Service Provider

JJD’s Electrical and Instrumentation groups have a broad background across the process industries. Decades of plant floor experience enable us to provide support for Capital Projects, Shutdowns/Turnarounds, Commissioning, Start-Up & Facility Maintenance.

Instrumentation & Commissioning

  • Pre-Project Instrument Validation
  • Accredited Instrument Validation
  • Control Panel Design, Fabrication & Testing
  • Legacy Control System Migration
  • Industrial Networking
  • Safety Instrumented Systems (SIS) Proof Testing
  • Control System Loop & Function Checks
  • Interlock Verification/Cause & Effect
  • Complete Field Buld & Installation
  • Instrument Database Generation & Documentation
  • 2nd & 3rd Party QA/QC Services

Electrical Solutions

  • Distribution Systems; Substations, Transformers, Switchgear & Panelboards
  • Complete Build of Electrical Control Rooms
  • Installation of Aerial / Overhead Systems
  • Design & Fabrication of Electrical Raceways
  • Industrial Lighting Design & Installation
  • Low, Medium & High Voltage Cable Installation, Termination and Repair
  • System Grounding, Bonding & Grid Work
  • Design Support, Technical Consulting, QA/QC

Maintenance Service

  • Infrared Thermography Testing & Repairs
  • Non-Destructive Cable Testing
  • Distribution Troubleshooting & Testing
  • Motors & Control Systems Testing
  • 24/7 Facility Call-in’s & Support
From construction to commissioning, through start-up and maintenance, we are prepared for today’s industry challenges.
Electrical Services Commercial and Industrial

HVAC and Building Automation Service Provider

JJD’s HVAC and Building Automation group has a broad background working with Commercial and Industrial facilities. Decades of Energy Savings and HVAC projects enable us to provide support for Capital Projects & Facility Maintenance.

Services Provided

  • Equipment/System Installation per Engineered Specifications
    • Installation of new or upgraded boiler controls and electrical power
    • Installation of new or upgraded chiller controls and electrical power
    • Replace or retrofit controls for AHU's, H+V Univents, VAV's, RTU's, Split systems and VRF Units
  • Networking Platforms
    • BACnet
    • Modbus
    • Lonworks
  • Controllers
    • Honeywell
    • Schneider
    • Johnson
  • Electrical
    • Upgrade cicruitry when 1-phase equipment is converted to 3-phase

Instrumentation Devices

  • Variable Frequency Drives
  • Discharge & Return Air Temperature Probes
  • Mixed Air Temperature Capillary
  • Freeze Stat Low Limit Capillary
  • Damper Actuators
  • Outside Air Temperature and Humidity Sensor
  • Filter Differential Pressure Transmitters
  • Hot Water Valve Acuators
  • Power Metering
    • KWh/Peak Demand/Quality
    • Peak Demand
    • Power Quality
  • Header Well Temperature Sensors
  • Boiler Pump Start/Stop Relays
  • Well-Type Differential Pressure Sensors