Sewer Rehabilitation Reference projects
Newly rehabilitated sewer
Setting a manhole in the excavation pit
Newly rehabilitated sewer in the manhole
Pulling in a new pipe with the installation trolley
Broken up existing sewer
Existing sewer with flowing water
Employees attaching stainless steel sleeves
Demolished section of existing sewer to be rebuilt
Starting pit with lowered new pipe
Adjustment of a new egg profile in the channel
Grouting the leaking old sewer using packers
New egg profile in the pull-in pit
Visit from the client in the excavation pit
Construction of a masonry chamber
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Aachen, Liebigstrasse/Dammstrasse

Sewer Rehabilitation

  • 300 m rehabilitation of combined sewer DN 1000/1500 GRP   
  • 180 m rehabilitation of combined sewer DN 1200/1800 GRP
  • construction of 5 tangential manholes
  • construction of a brick overflow structure
  • construction of 6 pits by horizontal timber sheeting and strongframe method
  • connection of 52 inlets 100 mm up to 1000 mm by GRP hand laminates
  • 240 m laying of ductile cast iron pipes DN 150 by pipe-in-pipe method
  • mounting with stainless steel sleeves
  • restoration of a brick horseshoe shape DN 2000/1200
  • construction of a 216 m overflow pipe DN 150
  • construction of a house connection in a chamber
  • construction of a pit by horizontal timber sheeting 4.30 m x 9.90 m x 1.50 m

Length: 720 m

Execution details

Client
City of Aachen, Liebigstrasse/Dammstrasse
Execution period
09/2015 – 02/2016
Execution volume
1.02 m Euro net
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