Munich – Passing under Würm Institutstraße
District heating installation by special underground construction (in groundwater)
Vesting period:
Construction time period:
Pipe diameter:
Protective tube:
Length of open face shield:
10/2009 until 12/2009
03/2010 until 10/20010
2 x DN 400 preinsulated pipes
2 x DN 800 reinforced concrete pipe
2 x ca. 28,00 m
Details
Excavations:
x
x
Propulsion method:
x
x
Groundwater level:
Pipe overlap:
x
Drilled shafts by means of secant piles DN 900;
Sole sealing with underwater concrete sole
Open Face Shield by liquid-supported
Working face (Bentonit)
ca. 4,0 m over Pipe
10,50 m
Services
Revealing hole / soil investigation
Implementation planning for Underground and Pipeline Construction
Water right application / dimensioning groundwater conservation
Implementation planning reinforced concrete
Superior construction supervision