Identification and Assessment of Subway Construction Risk: An Integration of AHP and Experts Grading Method

Table 14

List of surrounding underground pipelines.

Number	Type	Specifications	Texture of material
1	A sewage pipe	DN800	Concrete
2	A sewage pipe	DN600	Concrete
3	Rainwater pipeline	DN600	Concrete
4	Rainwater culvert	3225 × 2450
5	Water supply pipe	DN150	Cast iron