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Project Phase Driven Engineering Services

From project study to technical documentation: Our engineering services in plant engineering and construction by project phases along the project cycle.

Feasibility Study

Sounding out options: feasibility study

  • Conception and description of the project idea
  • Checking for technical feasibility and indication of alternatives
  • Estimation of economic viability
  • Safety analysis
  • Estimation of the project idea in relation to authority and environment relevance
  • In-house support for permitting processes and workshops
  • Budget estimate
  • Compilation of project teams and resource planning

Pre Basic Engineering

Selection of variants: Pre-basic Engineering

  • In-house support for permitting procedures and workshops
  • Design consideration
  • Development of a project implementation strategy
  • Resource planning
  • Determination of key positions
  • Risk analysis
  • Constructability check
  • Introduction planning
  • Determination of economic viability
  • Cost estimation
  • Scheduling

Basic Engineering

Project definition: Basic Engineering

  • In-house support for permitting procedures and workshops
  • Design and process optimisation
  • Process description
  • Process flow diagrams
  • Heat and mass balances
  • Preparation of PI diagrams
  • Safety concepts/HAZOP
  • Machine and equipment design
  • Arrangement and piping concept
  • Civil engineering and steelwork drafts
  • Electrical, instrumentation and control concepts
  • Authority engineering
  • Detailing of the cost estimation

Extended Basic Engineering

Detailed definition of project: Extended basic engineering

  • Detailed definition and elaboration of trade specific documents in terms of an advance in detail engineering due to purchasing and procurement Services.
    • for the determination of technical characteristics and removal of knock-out criteria
    • for the submission of a more concrete, highly detailed cost estimation
    • for bid packages for construction and installation and erection services

Detail Engineering

Execution planning: detail engineering

  • Trade specific design and preparation of engineering documents: arrangement and piping engineering, piping stress calculations, manufacturing and welding isometric drawings, steelwork static calculations, machine and equipment technology, electrical energy supply, IC and automation technology
  • Preparation of technical data sheets
  • Preparation of technical and commercial inquiry documents
  • Obtaining and evaluation of bids
  • Technical bid evaluation
  • Creation of product requirements and specifications
  • Procurement
  • Expediting
  • Implementation verification of HAZOP results

Leistungen Projectphase Commissioning

Project implementation and close out: construction, commissioning and documentation

  • Installation and erection support
  • Commissioning support
  • Schedule tracking
  • Plant documentation by specialists from all trades and archiving of project documentation

About Griesemann Group

The businesses belonging to the group of companies, INDUREST, JBV, JBV-INDUREST, GMR and Blitzschutz Graff, combine almost all specialist trades for industrial plant engineering and construction, and through a synergetic cooperation of all business units are capable of realising not only complete turnkey projects but also operations-driven individual projects.