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Honeywell Security Group - Access Control & Compliance

Access Control - Equipment Compliance - BS EN 69839-11 Standards


Access control systems are a vital aspect of corporate security – as a physical deterrent to restrict access to data, assets or hazardous areas or to monitor people’s movements. An effective system will reduce costs, comply with the regulations, meet the criteria specified in different standards and best practices.

Compliance with BS EN 69839-11 Standards

A grading system ensures compliance with these standards. It assesses the relevant risk at each access point. The grades are:

  • Grade 1 (low risk): a standalone lock (code, PIN or token) or offline system in a public area and a low-risk environment (e.g. an internal door preventing public access)
  • Grade 2 (low to medium risk): an online system using tokens or PINs to prevent access (e.g. offices, small businesses and hotels)
  • Grade 3 (medium to high risk): an online system using two-factor authentication or a single-factor biometric to restrict access (e.g. server rooms or data centres)
  • Grade 4 (high risk): an online system that uses two (or more) factor authentication, one of which is biometric or human image verification (e.g. high-security areas)

Equipment Compliance

a) Doors

This table shows the level of physical security needed to meet each grade:

b) Turnstiles

Turnstiles can be used for both access and direction control (e.g. in railway stations, toilets, visitor attractions and stadiums).

c) Status Monitoring of Doors & Locks

A door contact senses the opening and closing of a controlled door, and typically has two main components: the contact switch on the door frame and a door-mounted magnet. BS EN 60839-11-2 requires the monitoring of doors in Grades 2 to 4. Lock monitoring shows whether or not a closed door is locked.

d) Egress Options

For controlled and authorised egress, the door monitoring contact will be isolated while the door is released. This can be achieved with a simple Request-to-Exit switch, movement sensor or reader. Typical egress buttons are simple, light-duty rocker switches, heavy-duty buttons or touch-sensitive switches. They signal the controller to release the door lock.

Another option is a switch in the exit handle. An override is needed from the secure area and possibly from outside the controlled area. For failsafe locking, with no key override, a way of removing the power from the lock from the insecure side might be needed if this is the only entrance into the secure area, or if all doors are controlled.

Emergency egress must not depend on the access control system's controller or software. For failsafe locks, evacuation is usually provided by a monitored green break-glass device. Best practice involves using double or even triple pole break-glass units.

e) Escape Routes

The design of an access control system should incorporate an emergency exit strategy. Two scenarios should be considered:

1) Panic Escape - If members of the public use buildings or there are high numbers of employees, there's a greater risk of panic during an emergency evacuation. The escape hardware on the exit door must be easy to find and use (BS EN 1125).

2) Emergency Escape - If building users are familiar with the emergency exits, panic is less likely. Operation of emergency exit devices must involve just a single operation to release the locking device (BS EN 179).

f) GDPR Compliance

Use complex, strong passwords. Do not use the same password for multiple systems and never write it down.

g) N Factor Authentication

Access control authentication involves recognising user-specific credentials, such as a number or PIN, an access token or a biometric feature. Any combination can be used to provide single, dual or multi-factor authentication.

h) Biometrics

With biometric technology, there is a trade-off between user acceptance, accuracy and cost:

Click the PDF image to view the technical information in full

Access Control

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