Power & Process Engineering

PEC Capabilities Power Process Left Align 1

When so Much is on the Line

The Professional Engineering Consultants (PEC) power and process engineering team delivers highly responsive, timely services and high quality detailed documents related to the operation, maintenance and management of facilities that require a high degree of reliability and precision.

  • Reliable
  • Efficient
  • Safe
  • Diligent

Power and Process Engineering Services

PEC specializes in providing the following services to refineries, petrochemical plants, pharmaceutical plants, fractionation plants, renewables plants, power plants, chemical plants, oil and gas facilities and other process plants:

Pec Capabilities Ppg Accordian Power Power

Power Distribution 

  • Overhead and Underground
  • Medium Voltage and Low Voltage
  • Power House Design
  • Grounded, Ungrounded, Impedance Grounded Systems
  • Oil, Gas, Air Insulated Equipment
  • Motor Control Centers
  • Switchgear Modification
  • Switchrack Design

Engineering Studies

  • Power Systems Modeling
  • Fault Current
  • Power FlowCoordination
  • Arc Flash
  • Equipment Evaluation
  • Cable Pulling
  • Multi-Duct Derating
  • Hazardous Area Electrical Classification
  • Protective Device Size Settings
  • Reliability

Substation Design

  • Protection and Control Design
  • Physical Design
  • Monitoring & Data Acquisition Design

Grounding Systems

  • Lightning Protection
  • Static Grounding
  • High Resistance Grounding
  • Low Impedance Grounding

Hazardous Location Design


  • Steam/Gas Turbine
  • Utility Interconnection and Protection

Power Quality

  • Power Factor Correction
  • Voltage Regulation
  • Motor Control and Protection
  • Medium Voltage and Low Voltage


  • SiteArea/Parking/High Mask
  • Equipment/Operations
  • Building
  • Calculations
  • Point by point
  • Contour
  • Max to min
  • Average

Request for Quotations (RFQ)

  • Write RFQs
  • Factory Onsite Equipment Review

Bid Packages

Cost Estimates

PEC Capabilities Power Process Visual Accordion Design Process Design

Basic Design

  • PFD + P&ID Development
  • Major Equipment Design
  • Engineered Instrumentation Design
  • Compliance with Company Practices
  • Standards, Best Engineering Practices, Plant + Corporate Preferences
  • Front End Estimates
  • Final Design

Hydraulic Calculations

  • Major Equipment Specifications
  • Instrument Specifications / Marshalling / IJB designs
  • Detailed Engineering
  • Structure, ISO Development, Stress Analysis
  • Engineering, Operations + Maintenance Review
  • RFQ Bid Preparation
  • AFE Grade Estimate

Process Safety Management

  • HAZOP, What-If, LOPA
  • Cause + Effects
  • Operating Procedures + Limits
  • Consequence of Deviation

Process Control

  • Control Narratives
  • Advanced Process Control Opportunities
  • Interlock Descriptions
  • PLC Hardware Design + Configuration
  • DCS Hardware Specifications + Configuration

Pressure Safety Valves / Breathers

  • Scenario Evaluations
  • Sizing + Specifications
  • Compliance with Appropriate Standards
  • Compliance Documentation

Construction, Commissioning, Startup

As-built Documentation

Field Services

  • Site Solution & Construction Management
  • Turnaround Coordination / Embedded Services
  • Integration / Programming for Control Systems
  • PSSR Support
  • Walkdowns
  • Debottlenecking
  • Process Data Gathering
  • Startup Assistance

Plant Processing and Pipeline Services

  • Pipelines for Product and Utilities
  • Rail Loading Facilities
  • Pump and Meter Stations
  • Tank Terminals
  • Right-of-Way
  • Construction Engineering
  • Front-End Engineering Design (FEED)
PEC Capabilities Power Process Visual Accordion Electrical Scheduled Shutdown Electrical Scheduled Shutdown Turnaround Outage Management
  • Outage and turnaround planning
  • On-site outage support
  • Predictive/preventative maintenance
  • One-line verification and updates
  • Writing isolation and LOTO procedures per NFPA 70E
  • Equipment labeling
  • Temporary power design
  • Electrical asset, drawing tracking and management
  • Project coordination
  • Testing planning
  • Creation of metrics for progress
  • Photographic documentation of electrical equipment
  • Contractor selection criteria and evaluation
  • Scheduling
PEC Capabilities Power Process Visual Accordion Process Piping Design Process Piping Design and Mechanical Engineering
  • Budget estimates
  • FEED design
  • Plot plans/equipment layouts
  • Material selection
  • P&ID drafting
  • Stress analysis using Caesar II
  • Piping design
  • 3D Modeling using CADWorxs
  • Steam tracing design
  • Field walk downs and as-builts
  • Project management
  • Pump can design and modifications
  • Purchase packages
  • Construction support
  • Tank and vessel design using COMPRESS
  • Turnaround and outage support
  • Static equipment – filter, vessel, tank specifications
  • Rotating equipment sizing and specification – pumps, fans, compressors
PEC Capabilities Power Process Visual Accordion Arc Flash Services Arc Flash Services
  • Computer-generated model of electrical distribution system using IEEE 1584 formulas
  • Arc flash incident energy levels identified at critical locations
  • Hot Work Plan
  • Labeling of equipment
PEC Capabilities Power Process Visual Accordion Electric Heat Tracing Services Electric Heat Tracing Services
  • Procurement packages
  • Installation and detail drawings
  • Panel assembly and wiring diagrams
  • Assist the client in creating heat trace standards and specifications
  • Isometric drawings with heat trace circuits
  • Overall project bill of materials
  • Heat trace as-built packages
  • Circuit breaker and transformer load reports
  • Load balancing and breaker schedule
  • Heat trace circuit details
  • Heat trace reliability studies
  • Redundant design for critical installations
  • Application assistance
  • In-house or job site training sessions
  • Programming, set up of control panels and operational checks
OLYMPUS DIGITAL CAMERA Electrical Instrumentation + Controls (EI+C)


  • Low Voltage Power Distribution
  • UPS and Backup Power System
  • Control and Protection Schematics
  • Instrumentation Wiring Design
  • Medium and Low Voltage Motor Control Design and Integration
  • Systems Modeling
  • Equipment Evaluation
  • Cable Pulling Studies
  • Intrinsically Safe (IS) Design
  • Hazardous Area Applications


  • Instrumentation Selection, Specification and Configuration
  • P&ID Review and Development
  • Loop and Termination Drawings
  • Distribution: Copper and Fiber
  • Marshalling Panel, Junction Box
  • Equipment and Process Monitoring Design
  • Instrument Health Monitoring Design


  • Engineering Design
  • PLC/DCS Programming
  • SCADA/HMI Programming
  • Control Loop Evaluation and Tuning
  • VFD, Soft Start, and FV Motor Control Design
  • Data Collection and Management
  • Control Strategy Development
  • Control Panel Design and Factory Acceptance Testing (FAT)
  • Fiber Optic Network Design
  • System Commissioning and Troubleshooting Assistance

Key Deliverables

  • Regulatory Compliance
  • Walkdowns and Consultations
  • Budgets and Schedules
  • Cost Estimates and Purchase Packages
  • Detailed Drawings and Specifications
  • Bid Packages and Construction Administration
  • Factory Onsite Review
  • Factory Acceptance Testing
  • Standards Development
PEC Capabilities Power Process Left Align 2
Our Difference

What Sets PEC Apart

The PEC approach is client focused and success driven, designing with an eye towards innovation, schedule and budget. Our goals are your goals, and we will partner with you to create solutions specific to your facility.

Let’s Talk

We’re just a phone call or message away. Contact PEC headquarters at 316.262.2691 or visit our contact page to get started.