T/CFA 020102024-2023 Active Group standards

T/CFA 020102024-2023 Non-excavation construction of ductile iron pipes - Part 1: Pipe for push-type method

Publish Date: 2023-03-01 Implement Date: 2023-06-01 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/CFA 020102024-2023

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Casting

ICS Name: Iron pipes and steel pipes

Publish Date: 2023-03-01

Implement Date: 2023-06-01

Scope

Main technical content: This document specifies the terms and definitions of non-excavation construction using top-driven pipes made of nodular cast iron (hereinafter referred to as top-driven pipes), the structure of top-driven pipes, the dimensions of the interface, the shape and allowable deviations, technical requirements, test methods, inspection rules, marking, packaging, storage, lifting, transportation, etc. This document is applicable to nodular cast iron top-driven pipes with socket and socket, generally delivered in an internally and externally coated state, with a size range of nominal diameter DN 250 to DN 2600. The scope of application is as follows: — Using the top-driven method for underground non-excavation construction; — Operating under no pressure and under certain conditions; — Distributing or collecting drinking water, fire-fighting water, snow-making water, irrigation water, water for hydropower stations, rainwater, sewage, and certain types of industrial wastewater.