BJN General Contractor Member of BJN GROUP
BJN General Contractor Member of  BJN GROUP
After the conception design phase and feasibility studies a project enters the engineer phase during which engineering studies which may include, according to the type of project: •process •pressure vessels •rotating equipment •instrumentation •electrical facilities •computing •piping, civil works •cost control and scheduling All these types of engineering studies are covered and fully managed within BJN. According to the nature of a project, engineering studies will includes all or part of the following steps

Products and Engineering Services:

  • Residential buildings
  • Business buildings
  • Shopping malls
  • Halls
  • Hotels
  • Conference centers
  • Sports and recreation facilities
  • Infrastructure facilities (bridges, overpasses, supporting walls...)
  • Industrial facilities (water waste systems, power plants, oil refinery...)
  • Structure Types:

  • Concrete construction
  • Reinforcement concrete construction
  • Pre-fabricated concrete construction
  • Steel constructions
  • Wood constructions
  • Post-Tension concrete
  • Software:

  • BIM - AutoCAD Revit Structural design, AutoCAD Detail Design, AutoCAD
  • BIM - TEKLA BIM Software
  • RADIMPEX - Tower, ArmCad


  • Availability & fast response
  • Adaptability of our services packages - we will adjust them to your business, the way you'd need
  • Online PM system - check out your project progress in every moment!
  • Process engineering / technologies
    • Trouble shooting, problem analysis
    • Preliminary planning
    • Investigation of alternatives
    • Feasibility studies
    • Conceptual Design, Cost estimations
  • Basic engineering
    • Process simulation, PFD, PID, Equipment Specification
    • Layout charting
  • Cost Calculations
  • Preparation of planning permission documents for compliance with authority regulations
  • Safety and loss prevention analyses
  • Detail engineering
    • Plant layout (2D and 3D), piping, requisitions and inquiries, allocation, procurement
  • As-Build documentation
  • Project management
    • Time scheduling and cost control
  • Construction supervision, line-up
  • Shut down planning for refineriesTrouble Shooting

Experience and Technologies:

  • Process-simulation in ASPEN Plus / PRO/II
    • Calculation and examination of heat exchanger units using ASPEN TASC
  • Calculation and design of thermal separation systems such as distillation, rectification, stripping
  • Calculation and design of mechanical separation systems such as filtration, cyclones, hydrozyclones
  • Vacuum systems design and engineering for processing units
  • Calculation, design and optimisation of heat exchanger units and refrigeration processes
  • Exhaust emission control systems
  • Debottlenecking of existing production units
  • Piping and equipment construction
  • Construction of industrial plants in the chemical and mineral oil industries
  • Strength calculation of apparatuses and piping systems
  • Liquid gas systems

Field of Activities:

  • Distillation and stripping units
  • Gas collecting and distribution systems
  • Blow Down and flare units
  • Utility Management und utility handling
  • Offsites and tank farms
  • Evaporation and heat exchanger units
  • Cooling systems
  • Heating and offgas treatment and supply systems
  • Installations for chemical reactions - scale up
Commissioning & Start-Up is the last visible step of a project execution process. It moves the project from the “end of construction” to the “commercial operation” status. This phase covers initial and primary dynamic tests, including guarantee performance tests. Initiated right from the beginning of design phase, Commissioning & Start-Up activity aims to validate the construction integrity and confirms that the facilities are delivered in a safe, reliable and operational condition for a complete customer satisfaction. Execution in a planned and controlled manner BJN executes the Commissioning and Start-Up services in a planned, controlled and quantified manner with the safety of his employees, customers, suppliers and subcontractors as a primary objective. Technology expertise BJN proposes some additional services to his customers, such as operation training, maintenance and technology expertise. Competent and motivated team The Commissioning and Start-Up services could not be achieved without the complete involvement of a competent and motivated team, made of women and men from various nationalities, taking up the same objective and challenge.

Partners/ Subcontractors

  • Project Development
  • Project Integration
  • Integration of Partners
  • Project Financing
  • Export Financing
  • Financing partners 
  • Risk Management
  • Quality Management
  • Health, Safety and Environment
  • Certified Projectmanagment


BJN Engineering is a leading technology partner for plant engineering and construction worldwide.
EPC+Financing, BOO, BOT, IMOO
More BJN Group Segments
  • Chemical and Petrochemical Plants
  • Hydrogen and Synthesis Gas Plants
  • Natural Gas Treatment
  • Liquefaction of Natural Gas
  • Air Separation Plants
  • Adsorption Plants
  • Power Plants
  • LPG Terminal
  • LNG Terminal,Oil & Gas
  • Cement Mill
  • Life Sciences Business
  • Aircraft Leasing



Through the network of BJN offices you

benefit from short communication lines combined with local and international
expertise. Additionally, the multidisciplinary character of our organization
ensures a flexible structure, providing you services fully geared to your
specific project requirements.


We BJN offer wide range of Industry solutions and project Financing:
BJN Brig Steel Constraction.pdf
PDF-Dokument [6.6 MB]
BJN GC GmbH HonKong Strasse 156

Single machines & machine lines incl. export financing for environmental technology, packaging, power plant ,Industries & more


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Power Plants, Oil, Gas Petrochemical Industry, Aviator & Water Projects