Open sewer construction (AK)

Execution area AK1

Installation of wastewater pipes and sewers of different materials in open construction with the associated structures, in particular at a characteristic depth of the excavation pit bottom of more than 5 m under difficult conditions2) and using technically demanding construction methods3)

 

Quality mark holders of group AK1 meet the requirements of groups AK2 and AK3.

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Execution area AK2

Installation of wastewater pipes and sewers of different materials in open construction with the associated structures at a characteristic depth of the excavation base of up to 5 m, also under difficult conditions2).

 

Execution area AK2 is a constituent part of execution area AK1.

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Execution area AK3

Installation of wastewater pipes and sewers of different materials in open construction with the associated structures at a characteristic depth of the excavation base of up to 3 m.

 

Execution area AK3 is a constituent part of execution areas AK2 and AK1.

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