Vault Ventilators and Vault Ventilating Ports

1.1 These requirements cover emergency vault ventilators and vault-ventilating ports.

1.2 Emergency vault ventilators are primarily intended to provide fresh air to persons locked in the vault by accident or during a robbery.

1.3 Vault-ventilating ports are intended for connection to an outside ventilating system that provides circulating air while the vault is open.

1.4 These requirements are intended to establish the burglary resistant ratings. The ratings based, on the net working time to effect entry, are as follows:

C1-30, minimum 30 min protection
C2-60, minimum 60 min protection
C2-90, minimum 90 min protection
C3-120, minimum 2 h protection

1.5 When installed in a vault according to the manufacturer's instructions, the products covered by these requirements do not affect the burglary resistant rating of the vault.

1.6 These requirements do not cover protection against entry by attackes with a burning bar (thermal lance) or explosives.

1.7 These units are intended to be installed in accordance with the provision of the Canadian Electrical Code, c22.1. However, it is intended that inspection authorities having jurisdiction be consuloted before installation of electrical connections.

1.8 Prducts covered by these requirements are intended for installation in vaults that are used for the storage of valuables, and that are protected by special security measures that cannot be forced using normal rescue equipment, but require waiting for a time lock of similar device to release entrapped individuals.