Germany - 68-0841-24 HBS Windaustraße, KR relocation; sewer construction
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Details
Provided by
- Opportunity closing date
- 22 October 2024
- Opportunity publication date
- 02 September 2024
- Value of contract
- to be confirmed
- Your guide to exporting
Description
HBS Windausstraße, KR relocation
The existing stop will be equipped with elevated platforms to provide barrier-free access to the station.
barrier-free access.
In the course of the conversion, existing rainwater drains will be relocated and connected to the municipal sewer network.
network.
The excavation pits, pipe trenches and connecting pipes will be constructed using the cut-and-cover method under
construction by lowering the groundwater level using vacuum dewatering.
Reinforced concrete sewers: A total of 527.5 m of reinforced concrete sewers will be constructed, including 116.50 m in DN
300 (of which 110.50 m renewal of existing B DN 250 in existing route), 121.00 m in DN 400
and 290.50 m in DN 600.
Shaft structures: The sewer is divided into ten sections with a total of eleven shaft structures. Five
of these are polygonal or rectangular special structures, while six are circular manholes.
in accordance with Annexes 2.2 and 2.3 to the specifications of Stadtentwässerung Hannover.
On-site masonry: The manhole structures are masoned on site, and prefabricated manholes are not
permitted.
The channel bases are between 1.74 m and 3.32 m below ground level
Stormwater treatment plant: For the pre-treatment of the polluted stormwater runoff, a
stormwater treatment plant with approx. 29.0 m PP DN 800 and a relief line PP DN 600
without sedimentation task.
- Opportunity closing date
- 22 October 2024
- Value of contract
- to be confirmed
About the buyer
- Address
- Landeshauptstadt Hannover Stadtentwässerung Hannover
Bid for tender
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