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BSEE


Karen Hubbard, product manager at Union, a division of Assa Abloy Door Hardware and Access Control, explains what the latest BS 8607 Grade 5 standard governing push buon locks covers, why it has been introduced, the challenges around access control and security that need to be considered in a school or university, and the latest innovaons available to overcome these


uncomfortable truth that these products are generally used more as a means of access control, and very rarely offer any real level of security. Yet, for many years in the education sector, push button locks have been purchased as a means of protecting files, information and valuable equipment away. This is a commonly-held misconception of the purpose a push button lock should serve.


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Indeed, older PBLs are actually very vulnerable to attack, and can often be easily forced with a strong shoulder charge or kick. This is because conventional PBL design only includes a simple tubular latch, which does not offer any sideload resistance and can be easily pushed back. Such an attack would negate the PBL’s purpose as a security device, and leave any previously-secured information or equipment at the mercy of opportunistic thieves.


However, the BS 8607 standards covering mechanically-operated push button locksets have recently introduced Grade 5, with products meeting this grade providing an extremely strong level of attack resistance. This new grade has changed the status of the push button lock from a device that offers little more than convenience, to an extremely robust security solution. Consequently, schools and university facilities managers need to be aware of this new standard, what it entails, and how it could potentially transform school and campus security, and access control.


Making the grade


According to the British Standard Institution (BSI), BS 8607:2014 details requirements to which mechanically- operated PBLS and their locking plates must adhere. To that end, the standard sets out methods for testing functionality, strength and durability of these devices.


‘ The reason for


Grade 5’s introducon was because it provided a BSI Kitemark approved cerficaon for mechanically operated PBLs





Both Grade 4 and Grade 5 of BS 8607 instruct that devices meeting these grades must be suitable for ‘applications where security, abuse and usage levels are expected to be equivalent to BS 3621’, which is the standard governing thief resistant locks. Though they offer equivalent levels of security, Grade 4 and the new Grade 5 differ in one crucial aspect – the use of keys. To explain, a Grade 4 device can only achieve the standard set out in BS 3621 through an additional locking unit. Though they can be unlocked externally using the PBL, Grade 4 products can only be locked and unlocked from the inside with a key. This leaves the security solution open to human error, should the user forget to lock the device with their key, the PBL would not offer sufficient levels of security and protection. There could also cause further operational inconveniences, for example, if a Grade 4 device was used to secure student halls, the facilities manager would need to keep track of all keys in circulation. Keyholders may lose keys over the academic year, and would require new sets would to be cut in order to move around the site campus unimpeded. Similarly,


24 BUILDING SERVICES & ENVIRONMENTAL ENGINEER APRIL 2019


ush button locks (PBLs) are used in education environments all around the world to help protect assets and people. However, it is an


FOCUS: EDUCATIONAL SERVICES Push button locks provide lesson in education security


keyholders may decide to make unauthorised copies for their own convenience, and students may forget to return their keys when they graduate. As such, Grade 4 devices can create logistical and financial complications for relevant stakeholders.


The benefits of keyless egress


There are no such concerns with a Grade 5 standard PBL device, which operates as a ‘one-stop’ security and access control solution. Because it does not need a separate locking unit, security specifiers can therefore enjoy the benefits of a thief-resistant lock without the complication created by additional keys.


Instead, a Grade 5 product can offer keyless egress through its integrated latch and lock, meaning that the device automatically locks when it shuts. Should users need to exit the room, it only involves a simple one- handed operation to unlock the device. But Grade 5’s benefits go beyond its functionality. The reason for Grade 5’s introduction was because it provided a BSI Kitemark approved certification for mechanically-operated PBLs. This means that any such device advertised as meeting Grade 5 standards has been fully tested and inspected to a level satisfactory with this cerification. As a result, users, installers and specifiers can rest assured that a Grade 5 device will offer an exceptional level of security.


Introducing CodeGUARD 5


This heightened attack resistance, combined with overall-ease-of-use and the assured security offered by its automatic locking functionality, highlights the effectiveness of Grade 5 mechanical PBLs. With that in mind, Union has introduced CodeGUARD 5, claiming to be the first manufacturer to deliver a first high-security push-button lock that meets Grade 5 of BS 8607. CodeGUARD 5 is said to deliver excellent access control alongside an extremely high level of attack resistance and security. It features a 20mm deadlocking latch, with a deadlock snib that activates when the lock comes into contact with the strike. Consequently, the device is exceptionally resistant to physical attacks, such as placing a crowbar between the door frame and the lock. The security shroud around the device


has also been designed to withstand sustained assault, while also being more attractive and ergonomically-designed than competing products.


Finally, CodeGUARD 5 offers up to 2,000 code combinations, with all products supplied with codes different to factory settings. These codes can also be easily changed in the event of staff leaving or at the conclusion of an academic year, further safeguarding security. In conclusion, mechanical PBLs adhering to Grade 5 of BS 8607 is a security solution that strikes an excellent balance between student and staff safety, and the flexibility required in education environments. Devices designed to meet the standard, such as CodeGUARD 5, can withstand sustained physical attack while offering excellent ease of use, making them an outstanding option for facilities managers wishing to secure doors and access points around campus and school sites.


www.uniononline.co.uk


Opening solutions, door hardware & access control


uCodeGUARD 5 is said to deliver excellent access control alongside an extremely high level of aack resistance


T


he Door Hardware & Access Control Group, a business unit of Assa Abloy Opening Solutions UK & Ireland, offers an extensive portfolio of security, safety and access control solutions. Its portfolio comprises mechanical, electro- mechanical ranges and scalable access control solutions including integration with many third party OEM systems. Combining reliability with innovation it provides solutions, expertise and consultative advice to specifiers, trade distributors, door and access control OEMs and system integrators working in commercial, education and healthcare sectors.


Read the latest at: www.bsee.co.uk


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