T/ZZXJX 244-2022 Active Group standards

T/ZZXJX 244-2022 Plastic drainage inspection well technical specification

Publish Date: 2022-12-22 Implement Date: 2022-12-22 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/ZZXJX 244-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Drainage system

Publish Date: 2022-12-22

Implement Date: 2022-12-22

Scope

Main technical content: 1 Scope 2 Normative reference documents 3 Terms and definitions 4 Materials 4.1 General provisions 4.2 Materials for connection fittings 4.3 Welding materials and sealing materials 5 Design of inspection wells 5.1 General provisions 5.2 Maximum spacing between inspection wells 5.3 Selection of inspection wells 6 Structural design of inspection wells 6.1 General provisions 6.2 Load classification 6.3 Standard values of permanent loads 6.4 Standard values of variable loads and quasi-permanent value coefficients 6.5 Calculation of bearing capacity limit states 6.6 Verification of normal use limit states 7 Installation of inspection wells 7.1 General provisions 7.2 Well pits 7.3 Foundation of inspection wells 7.4 Connection between inspection wells and connection fittings 7.5 Connection between connection fittings and pipes 7.6 Installation of pressure covers 8 Backfilling 8.1 General provisions 8.2 Backfilling materials and backfilling requirements 9 Quality inspection 9.1 Product quality inspection 9.2 Construction quality inspection 10 Acceptance of construction quality