Combining a hotel with residential and retail units, the St James Group’s One SE8 mixed-use development provides high-end living spaces for both residents and visitors of Greenwich.
Initially brought on board by St James to carry out computational fluid dynamics (CFD) modelling, Fire Design Solutions identified and designed the most suitable fire safety system for the building, which comprises of a Travel Lodge hotel flanked by two residential wings including 103 apartments, a 24 metre lap pool, on site restaurant and convenience store.
Returning to the site after being appointed by electrical contractors GW & E Wright Ltd., FDS installed both natural and mechanical smoke ventilation systems, as well as a GSM auto dialler system at the client’s request. In the event of fire this notifies building managers and concierge in the hotel, sending a text to a nominated manager to alert them before calling all other nominated persons if the system is not reset within a defined time constraint.
FDS installed a total of three 0.5m² fan assisted smoke venting shafts in the building’s residential wings, with one serving ‘Wing A’s 1st to 6th floors, joined by a make up air shaft which was installed for environmental purposes. Two further 0.5m² shafts, fitted in ‘Wing B’ served the upper ground to 6th floors, while an additional 1.5m² natural smoke shaft supplemented this. Corridor detection systems were installed in both of the wings to trigger the fan-assisted smoke venting systems in the event of fire.
The 90 bed hotel was also fitted with a mechanical smoke venting system including a 0.5m² shaft, serving the 1st to 6th floors with fans being fitted at roof level.
By protecting the means of escape and fire fighter access for the development, FDS’ systems provided safety benefits, while also operating on a day-to-day basis to provide ventilation for the common corridors. FDS was also able to interface its mechanical smoke venting system with a fire alarm installed on site by a third party.
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A 19th century office building with ground floor retail units, 8-10 Hatton Gardens had contained small workshop units, used primarily by jewellery trade tenants, until a major refurbishment transformed it into contemporary, open plan offices.
Most of the internal walls were removed to create large open floor plates and office space was also created in the basement and on a mezzanine floor installed in the roof space. In addition, the refurbishment also involved the installation of a new lift shaft but phased construction allowed occupants of retail spaces to operate on a business as usual basis throughout the construction programme.
Such wide-ranging changes to the internal space required a creative system design to answer the new fire safety needs of the building and, having relied on FDS’s innovative approach to fire engineering on previous projects, Wallis Special Projects called on the company’s expertise again.
Thanks to the solutions-driven expertise of the FDS team, the fire safety strategy and installation addressed the means of escape and extended travel distance issues. Furthermore, FDS made extensive use of advanced computer modeling techniques to demonstrate the effectiveness of the specification and gain all mandatory approvals.
Consisting of one of Europe’s largest Tesco stores, 6 blocks of residential properties and a multi-level car park, the Woolwich Central development forms part of the ongoing regeneration works in South-East London.Recognising the complex fire safety considerations that need to be made for large mixed-use projects, Willmott Dixon appointed award-winning smoke ventilation system contractors Fire Design Solutions (FDS) to provide its design and installation expertise.
Following a design and build appraisal, including CFD (Computational Fluid Dynamics) Modelling, FDS was able to justify the retail space’s large compartment size by specifying the use of a smoke extraction system.
The store’s loading bay was also fitted with an engineered mechanical smoke extraction system. By detecting carbon monoxide levels the system provides day-to-day extraction, meeting Approved Document F (ADF), as well as clearing smoke in the event of fire.
In the development’s residential areas, FDS’ specialist contracting team installed mechanical smoke ventilation and corridor environmental systems, removing excess heat from common areas throughout the development whilst still protecting the building’s staircases from smoke in the event of fire.
Within the car park FDS provided full mechanical and electrical installation of a smoke/heat detection and clearance system to provide environmental extraction and smoke ventilation. The system was interfaced with the development’s Building Management and fire alarm systems.
Due to a tight schedule and project variations, FDS was set a challenging five month deadline to carry out all works, a target which was achieved, allowing the store to open on time.