99.60 Withdrawal effective Mar 1, 2023
CEN
CEN/TC 191 Fixed firefighting systems
Technical Specification
13.220.10 Fire-fighting | 91.140.30 Ventilation and air-conditioning systems
Withdrawn
This document provides guidance on fulfilling the requirements contained in ISO 6183:2009, 6.4.1 and 7.4.1 and ISO 14520-1:2015, 5.2.1 h and 5.3 h, in respect to over and under pressurisation venting and post discharge extract.
It considers the design, selection and installation of vents to safeguard the structural integrity of enclosures protected by fixed gaseous extinguishing systems and the post discharge venting provisions where used.
WITHDRAWN
CEN ISO/TS 21805:2019
99.60
Withdrawal effective
Mar 1, 2023
PUBLISHED
EN ISO 21805:2023