Standard

NS-EN 1366-1:1999

Withdrawn

Note: This standard has a new edition: NS-EN 1366-1:2014+A1:2020

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Abstract

This Part of EN 1366 specifies a method for determining the fire resistance of vertical and horizontal ventilation ducts under standardized fire conditions. The test examines the behaviour of ducts exposed to fire from the outside (duct A) and fire inside the duct (duct B). This Standard is used in conjunction with EN1363-1. Annex A provides general guidance and gives background information. This European Standard is not applicable to: a) ducts whose fire resistance depends on the fire resistance performance of a ceiling; b) ducts containing fire dampers at points where they pass through fire separations; c) doors of inspection openings, unless included in the duct to be tested; d) two or three sided ducts; e) fixing of suspension devices to floors or walls. For evaluation of fire dampers see EN 1366-2. For evaluation of smoke extraction ducts see prEN 1366-8. For evaluation of service ducts and shafts see prEN 1366-5.

Document information

  • Standard from SN
  • Published:
  • Withdrawn:
  • Edition: 1
  • Version: 1
  • Document type: NAT
  • ICS 13.220.50
  • National Committee SN/K 15

Legal references

EU law: 305/2011, 89/106/EEC

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