GB/T 24721.4-2023: Glass fiber reinforced plastic product for highway - Part 4: Non-pressure communication well lid

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Scope

This document specifies the structure, dimensions and deviations, model, technical
requirements, test methods, inspection rules, as well as marking, packaging, transportation and
storage requirements of glass fiber reinforced plastic non-pressure communication well lid
products for highway.
This document is applicable to the production, inspection and usage of glass fiber reinforced
plastic non-pressure communication well lid (hereinafter referred to as “glass fiber reinforced
communication well lid”) for non-vehicle driving areas on highways.

Basic Data

Standard ID	GB/T 24721.4-2023 (GB/T24721.4-2023)
Description (Translated English)	Glass fiber reinforced plastic product for highway - Part 4: Non-pressure communication well lid
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	P66
Classification of International Standard	03.220.20; 93.080.30
Word Count Estimation	14,138
Date of Issue	2023-03-17
Date of Implementation	2023-07-01
Older Standard (superseded by this standard)	GB/T 24721.4-2009
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration