Please note, the order volume has been updated. This is due to package and minimum order quantities.
Please note, the order volume has been updated to. This is due to package and minimum order quantities.
Harbour Central is a development in London’s docklands comprising of 642 private apartments divided across seven residential blocks. A leisure complex will include a ‘Resident’s Club’ with a library, concierge, gym, spa, business suites and cinema. The development also includes 238 social rented / shared ownership homes.
Using the traditional methods to firestop pipe penetrations through concrete slab – whether by using wooden boxes or shuttering before or breaking or diamond coring the concrete slabs after the concrete is poured – are time and labour intensive.
The other concerns for traditional methods of fire stopping HDPE soil and waste stacks are:
• Materials are bought and stored for creating formwork. i.e. plywood needs to be bought, stored, cut, fixed and maintained until the mechanical sub-contractor can install the pipework. This is an additional on-site cost
• Openings must be covered during the construction process prior to installing the pipework to avoid health and safety issues with falling objects or trip hazards
• Working at height may be required to create formwork around pipes prior to backfilling.
• When backfilling mortar may need to be mixed on site and this involves a certain amount of manual handling including barrels, buckets etc.
Hilti CFS-CID Firestop cast-in device was the selected solution and significantly reduced the cost and installation time to firestop concrete slabs compared to traditional methods. The cast-in devices also have the added health and safety benefit of no openings left in the slab during the construction process.
The other benefits of the cast-in device were:
• Saves time detailing individual openings and firestopping details
• Can be inputted directly into the 3D model which is accurate enough to produce ‘Construction’ drawings
• Product has all of the necessary certification including BS EN 13501 and BS EN 1366
• No need for backfilling as all results achieved without any type of backfill
This case study is based on the article published by the RIBA Journal in Vol 124 Issue 01, P 29 in January 2017. Complete article can be viewed here .
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