T/NAIA 0422-2025 Abolished Group standards

T/NAIA 0422-2025 The Construction Technical Regulations for Large-span Double-layer Insulated Greenhouse with Overhead Covering

Publish Date: 2025-10-22 Implement Date: 2025-10-31 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/NAIA 0422-2025

Standard Type: Group standards

Standard Status: Abolished

is_force_gb: no

CCS Name: -

ICS Name: Greenhouses and other devices

Publish Date: 2025-10-22

Implement Date: 2025-10-31

Scope

This document specifies the terms and definitions, general requirements, thermal design principles, building structure parameters, construction standards, and quality acceptance methods for the construction of large-span double-layer covered insulated greenhouses. This document is applicable to the new construction or renovation of large-span double-layer covered insulated greenhouses in Ningxia Hui Autonomous Region and similar ecological regions. When the technical conditions are the same, this document can also be implemented.