4、neral Provision…………………………………………………….12、Terminology…………………………………………………………..23、Design of sewage network and relevant auxiliary facilities……….53.1Drainagesystem……………………………………………………...53.2 Layout of piping network ……………………………………………53.3 Capacity of piping network…………………………………………..93.4 Flow velocity o
5、f pipeline…………………………………………....103.5 Material of pipeline and Foundation designed for pipeline…………103.6 Inspection well………………………………………………………253.7 Structure of hydraulic drop………………………………………….283.8 Structure of flow interception……………………………………….303.9 Pipeline across stream or other obstacles …………………
6、………..313.10 Preliminary stage rainwater reservoir……………………………...334、self-built drainage system………………………………………….345、Informationsystemforsewagepipe……………………………...366、Construction of sewage network………………………………….376.1 Construction of river-crossing or canal-crossing sewage pipeline….376.2Pipe-jacking
7、 construction of driveway-crossing or railway-crossing sewage pipeline………………………………………………………....386.3 Construction of mountain-crossing sewage pipeline………………..41Elaboration on wording of this provision…………………………….43References