Qualified and objective consultancy by:

  • Independent, publicly appointed experts
  • Specially trained technical professionals

in the areas of:

  • Waste water discharge (sewerage infrastructure)
  • Concrete protection
  • Lightning protection
  • Fire alarm systems
  • Explosion protection
  • Sewer conversion planning
  • Fire prevention
Waste water discharge (sewage infrastructure)

Waste water discharge (Sewage infrastructure)

  •  Publicly appointed by the Chamber of Commerce of Ostfriesland (East Frisia) and Papenburg, as being expert in waste water disposal (sewer) since 1997.   
  • Since 2003 member of the expert control committee for civil engineering of the Technical Chamber of Lower Saxony (Niedersachsen).
  • Since 1992 participant of the committee for Water Practice Standards, Piping / Pipe Stress Analysis of the German Institute for Standardization (DIN).
  • From 1998 until 2010 participating in German Association for Water, Waste water and Waste (DWA) for the establishment of general guidelines for the construction of drainage works.

Specific knowledge of:

  • Relevant legislations, regulations and technical standards
  • Evaluation and assessment of camera inspections
  • Implementation of cost estimates, cost comparison calculations and cost-benefit analyses

for waste water:

  • Collection and discharge of domestic and industrial waste water flows (incl. gravity flow-, pressure- and vacuum systems)
  • Sizing of installations for waste water discharge
  • Pumping stations and pressure pipe lines

for rain water:

  • Collection and discharge of accumulating surface water
  • Sizing of installations for surface water
  • Hydrodynamic calculations for existing drainage networks
  • Rainwater retention tanks
  • Design of infiltration systems
  • Assessment for overflows after heavy rain events

Preparation of various expert reports in Lower Saxony, Schleswig-Holstein, Mecklenburg-Western Pomerania and Saxony-Anhalt (Niedersachsen, Schleswig-Holstein, Mecklenburg-Vorpommern and Sachsen-Anhalt).  

Remediation of contaminated sites and soil conservation

Remediation of contaminated sites and soil conservation

  • Acknowledgement by the Chamber of Commerce of Stade, Germany as being expert in soil conversation and contaminated sites in subject 5 “remediation” according to § 18 of the Federal Soil Protection Act (BBodSchG).
  • Since 2006 publicly appointed by the Chamber of Commerce of Stade, Germany as being expert according to § 36 Industrial Code (GewO) for that sector.
  • Since 2003 registered as Geoscientific Consultant at the Professional Association for German Geoscientists (BDG).

Specific knowledge about:

  • Relevant legal provisions,
  • Execution of all studies and assessments relevant for the selection of remediation measures (remediation studies), development of restructuring plans and remediation concepts according to the Federal Soil Protection Act, including sampling, sample treatment and sample analysis of soils, soils materials, surface water, leachate and groundwater, soil gas and landfill gas,
  • Basic principles and methods for soil and foundation engineering, methods of excavation and excavation securing,
  • Feasibility, limits of usage, environmental impact, type and amount of increasing waste and monitoring of backup and decontamination procedures as well as protective and restrictive measures,
  • Structure and content of a remediation study,
  • Inventory and assessment of present findings and opportunities regarding the remediation measures and the necessity of a feasibility analysis,
  • Preparation of required analysis to identify the appropriate and suitable remediation measures and other points of action,
  • Development of proposals for specification of remediation strategies like usage and protection related aims,
  • Influence of pollutants, matrix and subsoil properties on the feasibility of the remediation process,
  • Necessity of accompanying pollution control and health and safety measures,
  • Management and organization of work flow,
  • Requirements for interim storage facilities for contaminated materials,
  • Possibilities of the recycling and disposal of waste materials and soils,
  • Execution of cost estimates, cost comparison calculations, cost-benefit analyses and cost-effectiveness considerations for the selection of remediation measures,
  • Required legal permits for the remediation process,
  • Planning, tendering, monitoring and control of industrial work including the demolition and deconstruction contaminated buildings,
  • Analyses and assessment construction materials and components with regard to quality assurance in engineering measures (for example: protective measures),
  • Quality monitoring for the effectiveness of remediation measures (planning, implementation and evaluation) and
  • Specific professional regulations and work aid.
Concrete protection

Concrete protection

  • Since 2011 approval by the German Institute for Monitoring and Surveillance as being expert in protection and reparation of concrete structures   
  • Membership in the Association for Construction Surveillance
  • SIVV certified according to the requirements of the Education Advisory Board for protection and reparation of concrete structures of the German Concrete and Construction Association since 2009

Specific knowledge of:

  • Relevant German legal provisions, especially DAfStb guidelines for Protection and Reparation of Concrete Structures, DWA Fact Sheet M 211 “Protection and Reparation of Concrete Structures in Municipal Sewage Sludge Installations”, ZTV-ING- Part 3 Concrete Construction, Federal Highway Research Institute, as well as the DIN 18349 Concrete Reparation Work
  • Basic evaluation for the identification of the current state, for example by:
    • Determining the position of the existing reinforcement (concrete coverage) on site
    • Determining the compressive strength of the concrete
    • Determining the depth of carbonation
    • Determining cracks
    • Determination of the chloride content
    • Determination of the sulphate content
    • Laboratory test together with the report of material tests
  • Evaluation of damaged areas, including:
    • Evaluation and documentation of existing damage
    • Integration of the results of material studies
    • Evaluation in the form of failure analysis
    • Development of a report of the actual state
  • Development of reparation concepts, including:
    • Determine the aims and defining the remaining life time for usage
    • Description of the relevant loads
    • Studying the possible solutions of the damage repair as well as their effects on the structural and technical design and their usefulness
    • Planning concept for the reparation work
    • Rough quantity determination and cost estimation
  • Development of a repair plan (scope of work) and preparation of the procuremen
  • Procurement support
    • Procurement method: restricted tender with or without call for competition
    • Preparation and delivery of tender documents to the bidders
    • Evaluation of the bids
    • If necessary, organizing and holding technical briefings
  • Professional project management, with
    • Coordination with external monitoring
    • Approval of the construction works
    • Consultation with the client
Lightning protection

Lightning protection

  • VDE (German Association for Electrical, Electronic and Information Technologies) certified professionals with VdS-acknowledgement (German Testing institute for fire protection and safety) as being “expert in lightning, surge and EMC-compliant installations (EMC experts)” according VdS 2596
  • Tested and VdS-approved lightning protection specialists for explosion relevant areas.

Certified VDE lightning protection experts

Specific knowledge of:

  • DIN EN 62305 (VDE 0185-305)
  • VdS 2010
  • General basic principles
  • Allgemeine Grundlagen
  • Risk management and
    lightning protection zones
  • Termination systems
  • Conductor installations
  • Earthing systems for
    lightning protection systems
  • Mounting, connections,
    material dimensioning and corrosion protection
  • Design and implementation
    of external lightning protection systems
  • Separation distances for
    lightning protection systems
  • Insulated conductors for
    the realization of separation distances
  • Nutzung von natürlichen Bestandteilen
  • Use of natural materials
  • Equipotential bonding for lightning
  • Coordinated over voltage
  • Testing and maintenance of
    lightning protection systems
  • Lightning protection for
    specific technical installations

Certified and VdS-approved lighting protection specialists for explosion
relevant areas

Specific knowledge of:

  • DIN EN 62305 (VDE 0185-305)
  • Ordinance on Industrial Safety
  • Qualified employees for testing electrical installations in areas with potentially explosive atmospheres
  • Basic principles of explosion protection, explosion protection document
  • Work organization
  • Types of protection, testing of electrical installations in explosive areas from the perspective of the auditor (regulations, technical examination)
  • Lighting protection, equipotential bonding in explosive areas
  • Verbindungen im Ex-Bereich
  • Connections in explosive areas
  • Testing over voltage protection devices, failure elimination
  • Testing lighting protection systems in explosive areas
Fire alarm systems

Fire alarm systems

  • VdS-certified main responsible specialist for the planning and approval of fire alarm systems according to DIN 14675 (2003-11)
  • VdS-certified specialist for the planning and approval of fire alarm systems according to DIN 14675 (2003-11)

Specific knowledge of:

  • Relevant standards, regulations and guidelines, in particular
    • DIN 14675 Fire alarm systems
    • DIN 14676 Smoke detectors for homes, apartments and rooms
    • VdS 2095 Guidelines for automatic fire alarm systems, planning and installation
    • VdS 2496 Guidelines for the control of fire extinguishing systems
    • VdS 2878 Fact sheet for networking (interconnection) of fire alarm new and existing facilities
    • VdS 3435 Fact sheet for design of air intake sensors
    • DIN VDE 0833 Alarm systems for fire, housebreaking and robbery
      • Part 1, general definition
      • Part 2, definition of fire alarm systems
      • Part 3, definition of systems for voice alarm in case of fire
  • Evaluation of basics as a definition of the actual state of the monitored objects, with:
    • Clarification and definition of specific protection goals, in addition to the minimum requirements, taking into account the individual fire protection elements, like technical, preventive fire protection and active fire protection, hazard analyses, the protection objectives according to corresponding LBO (State Building Regulations) and the fire protection program
    • Clarification and definition of the requirements for the construction and operation of the fire alarm system in consideration of the protection objectives, the protection range and the organization of the alarm
    • Clarification and definition of the protection range
    • Clarification and definition of the alarm system types and alarm devices
  • Evaluation of existing installations, including:
    • Evaluation and documentation of defects
    • Integration with any existing fire protection consultancy or fire protection studies
  • Development of a concept based on the basic principles for new or existing installations or plants
  • Development of a plan for the fire alarm system and preparation of the tender documents
  • Support during procurement:
    • Procurement method: public tender procedure
    • Preparation and delivery of tender documents to bidders
    • Evaluation of the bids
    • If necessary, organizing and holding technical briefings
    • Professional project management, with
      • Coordination with external monitoring
      • Approval of the construction works
      • Consultation with the client
Explosion protection

Explosion protection

  • Competent employee for the inspection of explosion protection according to § 14 part 1 – 3 as well as § 15 BetrSichV (Ordinance on Industrial Safety).

Specific knowledge of:

  • Zoning for explosive areas according to BetrSichV(Ordinance on Industrial Safety)
  • Selection and marking of explosion protection equipment
  • Preparation of risk assessments and explosion protection documents
  • Development of service and operating instructions for the work in explosive areas
  • Development of explosive zone plans
Sewer conversion planning

Sewer conversion planning

  • Certified sewer conversion planning consultant (DWA)
  • Certified sewer conversion planning consultant (VSB)

Specific knowledge of relevant standards and guidelines, in particular:

  • Fact sheet ATV-M 127, part 2: Static calculations for the conversion of sewers and pipe lines with lining and assembly methods
  • Fact sheet ATV-DVWK-M 143: Conversion of drainage systems except from buildings
  • Fact sheet DWA-M 149: State assessment and evaluation of drainage systems except from buildings
  • DIN EN 1610 Construction and testing of drains and sewers
  • 149: Zustandserfassung und -beurteilung von Entwässerungssystemen außerhalb von Gebäuden
  • DWA-A 139 Installing and testing of drainage systems and sewers
  • DWA Sewer inspection course for the implementation and evaluation of the results of camera inspections in sewer pipe lines


  • Evaluation of existing pipe lines together with an evaluation and documentation of damages
  • Classification of damages
  • Establishment of a conversion concept with cost-calculations and recommendations for remediation measures
  • Preparation and contribution with the procurement:
    • Procurement method: public tender
    • Preparation, compilation and delivery of tender documents
    • Evaluation of the bids
    • Organizing and holding technical briefings
  • Local construction management and compilation of the documentation
    • Monitoring during the implementation phase
    • Coordination of external monitoring
    • Approval of services and construction work
    • Consulting and advising clients
  • Providing relevant project documents
Fire prevention

Fire prevention

  • Fire safety representatives according to CFPA EUROPE
  • Specialists in fire prevention (Chamber of Commerce/EIPOS-Education Center Dresden)

Specific knowledge of:

  • Development of fire protection plans according to State Building Regulations
  • Development of fire protection concepts for
    • Buildings (according to State Building Regulations)
    • Special structures, in particular, waste incineration plants, biomass plants, sludge and waste water treatment plants as well as offshore wind turbines
  • Development of fire protection concepts according to industrial engineering guidelines
    • In section 6, simplified procedure
    • In section 7, by using the calculation method in accordance with DIN 18230-1


  • Evaluation of existing buildings and installations with respect to fire safety aspects
  • Development of efficient viable measures for the upgrading of fire safety of existing buildings and installations
  • Preparation of fire prevention concepts for new constructions and new installations
  • Planning and construction management for structural fire prevention and technical fire protection systems (including smoke extraction systems, fire alarm system, fire extinguishing systems)
  • Providing and updating fire evacuation plans
  • Preparing fire safety regulations