design solutions
Modern safety solution for historic Scottish building
historic interest, both due to its architectural style and because it was created with the financial backing of local coal merchant, Charles Kerr Marr. Serving the local community for more than 80 years, an overhaul and expansion was recently required to allow for increased accommodation. Listed status meant any expansion
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would need to be carefully considered, allowing the building to become more suited to modern demands without losing its heritage. As part of this, meeting the necessary safety requirements of today’s building regulations was crucial – something which could be achieved by specifying materials appropriately. With increased numbers of students
now attending Marr College, achieving improved building circulation was a critical part of the development. This
OUNDED in 1935, Marr College in Troon, Scotland, a Category B listed secondary school is of special
involved a change of use of two existing courtyard spaces to create large multi- use atria, made possible with the installation of an Ethylene Tetrafluoroethylene (ETFE) roof. Alongside creating larger and more practical spaces, ensuring effective fire protection without detracting from the courtyards’ architectural features was critical. Working closely with steel fabrication
specialists, Martec Engineering – who provided the steelwork within the courtyards, including Schueco Jansen fire-rated glazed screens – Pyroguard supplied a variety of fire-rated glass solutions to sit within the new screens. Acting as minimal secondary glazing,
these screens allow the building’s original 1930s Crittall style metal windows to remain in the spotlight. The screens are designed to have the smallest visual impact possible whilst providing the required protection to the rooms beyond, adhering to EI30 and EI60 ratings as required. To ensure a product that could meet all
the fire and loading requirements was specified, Pyroguard provided technical guidance to cater for the project’s constraints of working within a listed building, helping with the specialist design of additional fire-rated glazing to be incorporated in existing timber windows and doors. Due to the ambitious nature of the
project, more than 300 sqm of Pyroguard toughened glass, including Pyroguard Integrity Plus T EW30/6, Pyroguard Rapide Plus EI30/EI60 and Pyroguard Protect T-
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EI60, was chosen. Protecting against flames, smoke and radiant heat, the selected glazing range has the advantage of providing Marr College with additional radiant heat control and greater fire protection. In tests this glass demonstrates the ability to maintain the amount of radiant heat to below 15 kW/m2 on the unexposed face, protecting critical evaluation routes for occupants. Keith Milne, Design Manager at Martec
Engineering, said: The information and guidance from the technical team at Pyroguard was invaluable on this project, particularly in regards to creating a custom detail for the fire protection within the existing timber windows and doors. We worked hand in hand with Pyroguard through the whole project ensuring the correct specification and design of products to provide the safety and security that this building required. “A key requirement of our steel
secondary glazing fire screens, was for them to fade into the background and not detract from the character of the building. This was achieved with our manufacture of high quality steel frames with minimal sight lines and Pyroguard’s fire-rated safety glass.” The result of this collaboration was
the creation of a space which is light, airy and elegant, providing all safety protections in the event of a fire without impacting on the architectural language of the original building.
www.pyroguard.eu
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