Preface 1 Scope 2 Normative references 3 Terms and definitions 4 Basic provisions 4.1 General provisions 4.2 Engineering survey provisions 4.3 Engineering design provisions 5 Pipe selection and pipe fitting construction requirements 5.1 Materials 5.2 Requirements 6 Working well construction 7 Receiving well construction 8 Jacking construction 8.1 General provisions 8.2 Guide holes 8.3 Pipe hoisting 8.4 Pull back and expand, mud and water balance jacking 8.5 Reach 8.6 Grouting drag reduction 8.7 Measurement and correction 8.8 Others 9 Construction monitoring and acceptance standards 9.1 Construction monitoring 9.2 Project acceptance standards 10 Safe and civilized construction 10.1 General Regulations 10.2 Safety Guarantee Measures 10.3 Civilized Construction Measures 10.4 Environmental Protection Measures
T/ZZXJX 117-2021 history
2021T/ZZXJX 117-2021 Technical regulations for top-pull laying of plastic drainage pipes