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Scope of Services


Enppi strategy is to provide diversified services to clients in the global marketplace at competitive prices. Enppi structure and access to local resources have given us a competitive advantage. Through cooperation with multinational companies, we are able to maintain international standard of quality and cost effectiveness and offer the highest level of services available.

Enppi is continually expanding its field of activities and diversifying its services in response to the ever- changing demands of the industry. It initially provided design and management services to companies for development in the downstream sector of the petroleum industry. Over the past 20 years, Its scope has widened to execute turnkey projects as EPC main contractor covering the upstream and downstream development.

Enppi provides a full range of services in Engineering, Procurement, Construction Supervision, and Project Management. In addition, specialized services can be provided as needed, including:


FeasibilitY/Techno-economic Studies

  • Process design
  • Process and technology analysis, evaluation and selection
  • Debottlenecking studies
  • Plant revamp studies
  • Environmental studies
  • Licensor evaluation & selection
  • Preparation of process data books
FEED/Basic Engineering Services
  • Process Description and PFD’s
  • Process Plant Optimization
  • Plant operation, control and shutdown philosophies
  • Equipment sizing & specifications
  • P& ID’s
  • Plot Plans and Layouts
  • Pipeline route and layout drawings
  • Instrumentation lists and data sheets
  • Environmental Criteria
  • General Specifications and codes
  • HSE Activities

Detailed Engineering Services

  • Process, utilities and off-sites detailed design
  • Instrument and control systems
  • Material specifications and requisitions
  • Piping layouts, and detailed design
  • Pipeline alignment sheets
  • Electrical systems detailed design
  • Site development, foundations, structures and buildings detailed design

Project Management & Control Services

  • Project procedures and execution plan
  • Project management activities covering engineering, procurement and construction supervision phases.
  • Progress evaluation and reporting
  • Planning and scheduling
  • Cost engineering, budgeting and estimating
  • Suppliers drawings management and control
  • Project accounting
  • Prequalification and selection of Main Contractors, Suppliers and Construction Firms.
  • Basic and Detailed Engineering Review (on behalf of Client)
  • Construction Supervision

Procurement Services

  • Purchasing including Materials Requisitioning, bid evaluation and awarding
  • Expediting
  • Supplier quality surveillance
  • Traffic control
  • Material Management

Construction Management

  • Construction contracting
  • Construction planning, scheduling and monitoring
  • Construction resources allocation
  • Constructability studies
  • Construction supervision
  • Field technical support
  • Project provisional and final acceptance procedure
  • Health, safety and environmental control

Equipment Fabrication & Coordination

Enppi performs complete management and coordination of the local fabrication function, starting from detailed fabrication drawings preparation to subcontracting and managing the fabrication activities at subcontractors’ workshops for the following:  

  • Pressure Vessels, Columns, Shell/Tube Heat Exchangers
  • Dehydration Packages
  • Flare Systems
  • Chemical Injection packages
  • Separator Packages

E & I Installation Works

  • Installation Detailed Drawings preparation
  • Material Take off ( M.T.O.)
  • Installation, Hook-up of the following:

* Power Generation and Distribution systems (Low and Medium Size)

* Medium Voltage and Low Voltage Systems

* Lighting Distribution Systems

* Earthing and Lightning protection Systems

* Measuring, Instrumentation and Control Systems

* Tele-Communication and Data Networks Systems

* Monitoring, alarm and operating systems

* Fire protection Systems

* Automation Systems

* Building Management Systems

* PLC, PC and SCADA Systems

* Electrical Heat Tracing Systems

  • Mechanical completion, Calibration, Commissioning and start-up services
  • Marked-up and As-built Drawings


Commissioning, Start-up

  • Operating procedures and manuals
  • Plant performance tests
  • Training of operation personnel
  • Assistance in plant operation and maintenance