Who is IBL?

I have been actively sup­port­ing pri­va­te and muni­ci­pal cli­ents since March 2015.
If you have any fur­ther ques­ti­ons in addi­ti­on to the infor­ma­ti­on lis­ted, plea­se do not hesi­ta­te to cont­act me – I look for­ward to get­ting to know you and your project.

You may down­load a detail­ed intro­duc­tion here:
intro­duc­tion IBL Eng­lish (1 MB)

Ste­fan Lang,
Dipl.-Ing. (BA)

“The important thing is to stri­ve toward a goal which is not imme­dia­te­ly visi­ble. That goal is not the con­cern of the mind, but of the spirit…”

(Flight to Arras –
Antoine de Saint-Exupéry)


Care­er progression

since 03/2015

Foun­da­ti­on of the IBL — Inge­nieur­bü­ro Lang, main acti­vi­ty in the deve­lo­p­ment of expert reports for buil­ding pol­lut­ants, soil pro­tec­tion and con­ta­mi­na­ted sites; con­s­truc­tion super­vi­si­on and inspection

from 10/2011 – 03/2016

enga­ge­ment as an gra­duand “Diplo­ma- Ingenieur”

from 06/2011 – 09/2011

enga­ge­ment as a natio­nal­ly cer­ti­fied con­s­truc­tion tech­ni­ci­an for con­s­truc­tion management

from 03/2007 – 11/2009

enga­ge­ment as a fore­man for pipe­line plan­ning and con­s­truc­tion as well as hori­zon­tal direc­tion­al dril­ling and pipe-rehabilitation

addi­tio­nal qua­li­fi­ca­ti­on / courses

  • fur­ther trai­ning as Expert for trade-spe­ci­fic buil­ding dama­ge assess­ment in civil engineering
  • various aut­ho­riza­ti­ons for hand­ling buil­ding pol­lut­ants accor­ding to TRGS / DGUV — and for taking samples accor­ding to PN 98
  • semi­nar for using the VOB in practice
  • semi­nar for cal­cu­la­ting of addi­tio­nal ser­vices accor­ding to VOB
  • addi­tio­nal qua­li­fi­ca­ti­on pro­cess for sewer rehabilitation
  • driver’s licen­se for small con­s­truc­tion machi­nery up to 6 tons as well as for fork-lift trucks

pro­fes­sio­nal education

from 10/2011 – 09/2014

Civil engi­nee­ring, Uni­ver­si­ty of Coope­ra­ti­ve Education
Spe­cia­liza­ti­on: road and civil engineering

Diplo­ma thesis 

“Deve­lo­p­ment con­cept for form­er­ly mili­ta­ry pro­per­ties using the exam­p­le of the Army Expe­ri­men­tal Insti­tu­te Kum­mers­dorf – Sperenberg ”


Diplo­ma — civil engi­neer (BA)

from 08/2004 – 02/2007

trai­ning as a civil engi­neer for pipe­line — construction 


Ger­man craft certificate