Patrik Gas and Petroleum Engineers provides innovative civil engineering services to solve complex issues in the physical and natural environments that affect people daily.

Our civil engineers focus on minimizing inconvenience to the public, local community and motorists while meeting schedule and budget goals for projects that will benefit communities for decades to come.

Our ability to attract and retain the highest quality engineers enables CDI to successfully complete technically challenging projects varying in size and scope.

Capabilities

• Stormwater Facilities & Management

• Wastewater Engineering

• Brownfield Development

• Dams and Waterways

• Erosion Control

• Solid Waste Consulting

• Demolition Consulting

• Land & Site Development

• Foundation Design

• Railroad Sidings

• Water Resources

• Hydrology

• Surveying and LIDAR Scanning

Civil Engineering Services

Geotechnical investigations are vital to the success of any construction project. Early inclusion of specialized professionals in the planning stages of a project is critical to the design process, and can identify and minimize potential problems.

For more than 40 years, Patrik Engineers has been providing Geotechnical, Geophysical, Surveying/Mapping, Utility Locating and Material Testing Services to engineers, architects, contractors, developers, government agencies, utility companies and insurance companies.

Our trained personnel are experienced with highly specialized equipment to provide real-time data collection and interpretation in the field, streamlining investigation completion, and minimizing overall project costs.

Our specialized equipment includes: a fleet of nine drill rigs (track and truck-mounted), an AASHTO accredited soils test lab, a CCRL accredited concrete testing lab, nuclear density testing equipment, geophysical testing equipment (including Ground Penetrating Radar), and an array of surveying instruments (including GPS and Laser Scanning).

Capabilities

• Geotechnical
  – Stockpile Inventories
  – Drilling – Versatile Fleet of Tracked and Truck-Mounted Drill Rigs
  – Material Testing

• Geospatial
  – Survey
  – Laser Scanning
  – Aerial Photogrammetric Mapping

Geosciences and Geotechnical Services

Patrik Engineers provides fully integrated process engineering services to customers in the chemical process, specialty chemical, and oil & gas industries.

With more than 40 process/chemical engineers on staff, our process team is directly involved in all project stages, beginning with conceptual and feasibility studies and extending front end loading and front-end engineering design through detailed design. Utilizing SIMSCI PRO-II, HYSIM/HYSYS, and ChemCad, our capabilities include rigorous process modeling, column and internals design, relief system design and hydraulic studies. We utilize Aspen Plus for complex batch operations. In addition, our process engineers are experienced with InstruCalc, used for relief valve, rupture disc, control valve, and orifice plate specification.

Our seasoned process engineering staff also are trained and certified in a variety of regulatory requirements including Process Safety Management and Hazards Analysis. Services include safety audits, HAZOP facilitation, relief valve verification and assistance with the necessary application and implementation processes.

Capabilities

• FEED Studies (Front End Engineering Design)

• Feasibility and De-bottlenecking Studies

• Equipment Specifications & Rigorous Design

• Preparation of Process Design Packages

• Operating and Control Philosophy

• Appropriation Grade Estimation

• Process Flow Diagrams

• Simulations, Material & Energy Balances

• Piping & Instrument Diagrams

• Operating Procedures & Training

• Piping & Instrument Diagram Review Facilitation

• Start-up Assistance

• Project Safety Reviews

• PSM Studies, Gap Analysis, Audits& PHA Follow-up

• Relief System Design/Studies

• HAZOP Facilitation/Participation

• Levels of Protection Analysis (LOPA) Review

• Hydraulic Network Studies

• Marine Vapor Recovery Design and Compliance Studies

Process Engineering Services

From the smallest retail store to the largest oil refineries, Patrik Engineers designs and engineers reliable electrical power systems and infrastructure.

Our expertise includes electrical system studies, substation design, power distribution systems, monitoring/data acquisition systems, and heat tracing systems.

Our experience in the analysis, conceptual development, design and support of 480V, 2400V, 5kV, 15kV, and 34.5kV electrical systems for industrial and utility clients helps us deliver projects that result in on-time delivery, heightened performance, risk reductions, and lower costs.

In addition, Patrik Engineers can serve as the client’s engineer for vendor qualifications, equipment specifications, bidding, functional testing, inspection of electrical equipment, and construction support.

Capabilities

• Load Flow Studies

• Short Circuit Analysis

• Relay and protective device coordination

• Arc Flash Studies and Hazard Mitigation

• Single Line Diagrams

• Area Classification

• Support for Levels of Protection Analysis (LOPA) and Hazard & Operability (HAZOPS) Studies

• New and retrofit Switchgear

• Motor Control Centers

• Power Factor Correction

• Motor Starting Studies for High Power Motors

• UPS and Data Center Power

• Emergency Generator and ATS Integration

• Redundancy and Maintenance Support Designs

• Lighting Photometrics Studies

• Lighting Energy Code Compliance Calculations

• Lightning and Grounding Grid Studies

Electrical and Power Systems Engineering Services