KREBS+KIEFER experts

Who we are

Expertise as a success factor

Only one thing counts for us – the best of all solutions. That is the standard we have set ourselves for decades and it is what our experts strive for every day with their know-how, experience and passion.

State-licensed checking engineer for structural analysis/construction engineering and licensed verification engineer for stability

Steffen Böhm Dipl.-Ing.

Concrete structures

T 06151 885-0
E boehm.steffen@kuk.de

Roger Istel Dipl.-Ing.

Steel structures

T 06151 885-0
E istel.roger@kuk.de

Ioannis Retzepis Dr.-Ing.

Concrete structures + steel structures

T 0721 3508-1000
E retzepis.ioannis@kuk.de

Dieter Hanek Dipl.-Ing.

Concrete structures

T 06151 885-0
E hanek.dieter@kuk.de

Hans-Gerd Lindlar Dr.-Ing.

Concrete structures

T 030 217342-0
E lindlar.hans-gerd@kuk.de

Richard Stroetmann Univ.-Prof. Dr.-Ing.

Steel structures

T 0351 250968-0
E stroetmann.richard@kuk.de

State-licensed checking engineer for hydraulic constructions

Roger Istel Dipl.-Ing.

Steel structures

T 06151 885-0
E istel.roger@kuk.de

Ioannis Retzepis Dr.-Ing.

Concrete structures + steel structures

T 0721 3508-1000
E retzepis.ioannis@kuk.de

Christian Schmidt Dipl.-Ing.

Concrete structures + Excavations and foundations

T 06151 885-0
E schmidt.christian@kuk.de

Hans-Gerd Lindlar Dr.-Ing.

Concrete + steel structures

T 030 217342-0
E lindlar.hans-gerd@kuk.de

State-licensed checking engineer for fire protection

Sven Huismann Dr. techn.

T 030 217342-0
E huismann.sven@kuk.de

State-licensed checking engineers for fire protection

Ulrich Dietmann Prof. Dr.-Ing.

T 06026 99889-0
E dietmann.ulrich@kuk.de

Regine Schneider Dr.-Ing.

T 06151 885-0
E schneider.regine@kuk.de

Markus Henzel M.Eng/B.A

T 06151 885-0
E henzel.markus@kuk.de

Experts licensed by the German Federal Railway Authority (EBA) for railway construction engineering certifications

Annett Mähl Dipl.-Ing.

Concrete structures

T 0361 42064-0
E maehl.annett@kuk.de

Ioannis Retzepis Dr.-Ing.

Concrete structures

T 0721 3508-1000
E retzepis.ioannis@kuk.de

Christian Schmidt Dipl.-Ing.

Concrete structures +
Excavations and foundations +
Tunnels and geotextiles

T 06151 885-0
E schmidt.christian@kuk.de

State-licensed checking engineer for road transition constructions (joints) (BMVBS)

Richard Stroetmann Univ.-Prof. Dr.-Ing.

T 0351 250968-0
E stroetmann.richard@kuk.de

We have the experts for whatever you need.

Official Experts

  • Official experts in cost calculation and facturation of civil engineering structures (IHK)
  • Official experts for preventive and defensive fire protection
  • Official experts for rehabilitation and preservation of buildings (EIPOS)
  • Official experts for damages on civil engineering structures (EIPOS)
  • Official experts of fire brigardes for preventive fire protection
  • Official experts for preventive fire protection (IHK)
  • Official experts for preventive fire protection (TAS)
  • Official experts in damages on buildings
  • Official experts for railway bridges and culverts (LfB) of the Federal Railway Authority
  • Official experts for energy efficiency of residential and non-residential buildings
  • Official experts in acoustics and noise protection
  • Official experts in estimation of developed and undeveloped building sites
  • Certified official expert for wood preservation (EIPOS)

Certified engineers with authorisation to present building documents

  • Registred at the chamber of engineers in Hesse and Bavaria
  • Registred at the chamber of construction in Berlin
  • Registred at the chamber of engineers in Hamburg
  • Registered at the chamber of engineers at the German Federal Railway Authority
  • Authorisation to present building documents of DB Station & Service

State-licensed engineers

  • State-licensed engineers for structural stability following the norms of Bavaria (according to BayBO)
  • State-licensed engineers for structural stability following the norms of Hesse (according to NBVO)
  • State-licensed engineers for technical verification of thermal and noise protection following the norms of Hesse (according to NBVO)
  • State-licensed engineers for technical verification of preventive fire protection following the norms of Hesse (according to NBVO)
  • State-licensed engineers for technical verification as fire protection planners (according to 10 ArchIng GM-V)

Expert planners

  • Expert planners for rehabilitation and preservation of concrete elements (BÜV)
  • Experts for demolition and maintenance of asbestos in cements
  • Expert planners for for rehabilitation and preservation of concrete constructions (BÜV)
  • Certified structural engineer for preservation of monuments

Planners and consultants for thermal and noise protection and fire protection

  • Specialist planners for preventive fire protection
  • Specialist planners for energy efficiency of residential and non-residential buildings
  • Consultant for energy efficiency (BAFA certified)
  • Certified planners for passive houses
  • Noise reduction planners

Health and safety

  • Safety officers for tunnel systems (according to RAB-T)
  • Safety engineers
  • Health and safety coordinators in contaminated areas
  • Specialists for occupational safety

More qualifications

  • DIN-certified coating inspectors
  • Supervisors for corrosion protection work of steel buildings (according to ZTV-KOR)
  • Licensed welding engineers
  • European railway engineers (EURAIL-ING)
  • Railway site supervisors (BÜB)
  • Bridge inspectors (according to DIN 1076)
  • SIVV certificate (protection, repair, connection and reinforcement)
  • Specialists for installation of bearings for bridges and buildings
  • Specialist architectural engineers for environmental protection
  • Waste management certification
  • FIDIC dispute adjudicator
  • Project manager (according to IPMA)
  • Fire protection officer