T/ZZB 2894-2022 Screwless Assembly Anti-seismic Suspension Bracket System
T/ZZB 2894-2022 Screwless Assembly Anti-seismic Suspension Bracket System
Basic Information
Scope
Main technical content: This document specifies the terms and definitions, classification, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, and quality commitments of the welding-free assembly type seismic support and suspension bracket system. This document is applicable to seismic support and suspension brackets for drainage, heating, ventilation and air conditioning, electrical, gas, and fire protection systems in buildings in areas with a seismic fortification intensity of 6 degrees or above. Welding-free assembly type seismic support and suspension bracket systems used in pipe galleries, rail transit, tunnels, and viaducts can refer to this document for implementation.