Gap Engineering, Construction and Inspections provides engineering, design & drafting services for small and large scale project  installations and have recently added mechanical and civil to our engineering to become a turnkey EPC. Gap engineers and designers use AutoCAD & other industry recognized software in-house developed spread sheets to perform a variety of engineering tasks including developing instrument specifications, detail design, installation DCS, PLC and instrumentation. GAP Engineering has experience in the development and maintenance of heavy civil and mechanical structures for private and public-sector clients. Our department assists in project planning, estimating, equipment specification, evaluation, & procurement.

Electrical and Instrumentation

  • INtools Implementation & Support
  • Advanced  Control   Design &  Implementation
  • Control System Documentation & Database Customization
  • Field Survey, Analysis & As-Building
  • Data Collection & Storage Systems Design
  • Human Machine Interface (HMI) Design & Programming
  • Interlock & Automated Sequencing Logic Design
  • Supervisory Control & Data Acquisition (SCADA) Design
  • System Networking
  • In-House Staging/Simulation
  • Batch Sequence & Recipe Development
  • Electrical Design
  • Electrical power, lighting, and grounding plans
  • Front-End Loading (FEL)
  • Distributed Control System (DCS)
  • Programmable Logic Controller (PLC)
  • Commissioning/Start-Up Support
  • Control Loop Tuning
  • Emergency Shutdown (ESD) System Design
  • Control Valve Sizing
  • Alarm Management Design & Implementation
  • Instrument location  plans, & Loop Drawings
  • Installation Details


  • Process Flow Diagrams
  • Pipe and Instrument Diagrams
  • Process Modeling and Optimization
  • Cause and Effect Table Development
  • Control Narratives
  • Participation in PHA, LOPA, and HAZOP

Civil and Structural

  • Site Inspection, Assessment, and Repair of Existing Concrete and Steel Structures
  • Structural Steel Design
  • Foundation Design
  • Storm Water and Sewer Design
  • Grading Design and Drawings
  • Cut/Fill Development and Analysis

Piping and Mechanical

  • Fabrication Design
  • Pipe System Design
  • Isometric Drawing Development
  • Installation Support of New Mechanical Equipment
  • Finite Element Analysis
  • Industrial HVAC Design
  • Procurement Support
  • QA/QC Equipment Site Inspection
  • Hydraulic Analysis
  • Pressure Vessel and Heat Exchanger Re-rating Analysis