Mechanical, Electrical, Structural, Vessel, and Instrumentation

Working with the engineering design criteria, we provide detailed design drawings for construction as well as As-builts upon project completion…

  • Pump Stations
  • Compressor Stations
  • Measurement Facilities
  • Pigging Facilities
  • Build P&ID – utilizing CADWorx which generates line, instrument, and equipment lists from a database linked to the drawing in AutoCAD
  • PLC Programming


Corridor Mapping

DDSI is experienced in all phases of the Pipeline Project Life Cycle

Whether it is a cross-country pipeline to an urban gas gathering infrastructure in metropolitan areas, DDSI is a one-stop shop for all your mapping needs!

  • Preliminary Route Development
  • Project Management of Mapping
  • Land Owner Exhibits
  • Plats
  • Utility Coordination – liaison between client and city entities
  • Permits
  • Alignment Sheets
  • As-built Data Deliverables (PODS/ADPM)
DDSI utilizes the following:
  • Blue Sky Skyline
  • AutoCAD Map

PSM Documentation

Facility walk-downs are a DDSI specialty!

With over 20 years experience, our staff has mastered the process of efficiently examining your facility, and creating or updating drawings per your company standards.

If you do not have standards and are starting from scratch, DDSI will help you develop concise, user-friendly documentation of all equipment, vessels, and instrumentation to help manage and maintain your valuable assets.

We have extensive experience in the preparation of appropriate PHA and PSM records.

Mechanical, Electrical, Structural, Vessel, and Instrumentation
  • P&IDs
  • PFDs
  • Cause and Effect Charts
  • Evacuation Plans
  • Key Plot Plans
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