BS EN 50518:2019 pdf free.Monitoring and Al larm Receiving Centre.
4.1 Categorization The planning for the construction of an ARC should be determined by the intended categorization. ARC’S are categorized according to the type(s) of alarm messages handled and the consequent requirements for integrity and security of construction, communications, operation and information.
This standard gives recommendations for two categories of ARC as described in the scope. Unless otherwise stated the requirements in this standard apply to both category I and category II ARC’s’. 4.2 Site selection A documented risk assessment shall be completed which shall include the location of the ARC. The ARC shall be located on a site taking account of risks of fire, explosion, flooding, vandalism and exposure to hazards from other sites. Where the ARC does not occupy all the building in which it is located, it shall be separated from the rest of the building by a physical boundary consisting of walls, floors, ceilings and essential openings.The construction elements listed in Table 1 cover the minimum resistance against physical attack. If other construction methods or material are applied it shall be demonstrable that the resistance against physical and bullet attack is equal to that listed in Table 2.Entrance to and exit from the ARC shall be by two doors, separated by an entrance lobby the floor area of which shall not exceed 6 m2. One of the doors of the entrance lobby shall have a fire resistance according to 5.5. The second door shall fulfil the requirements of Table 2 category I. The doors shall be interlocked to prevent both being opened at the same time during normal entry and exit. The interlock may be overridden in exceptional instances such as an emergency allowing both doors to open. Both doors shall open outwards from the ARC (see Annex A) and shall be fitted with automatic self-closing and locking devices. Both doors shall be secured by electromechanical locking/unlocking devices in compliance with EN 14846 having a classification code as a minimum of Table 4, operable only from within the ARC.BS EN 50518 pdf download.