Lawrence Webster Forrest (LWF), Fire Engineering and Fire Risk Management Consultants
Lawrence Webster Forrest (LWF), Fire Engineering and Fire Risk Management Consultants



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E-mail: fire@lwf.co.uk

ARC26 Smoke Control Strategies in Building Design - Part 1

Right click to download this fileArc 26.pdf
Smoke is The airborne solid and liquid particles and gases evolved when a material undergoes pyrolysis or combustion together with the quantity of air that is entrained or otherwise mixed into the mass. (NFPA, 1993). Smoke is the undesirable product that causes the majority of fatalities from fire. In 1999, the most recent year for which detailed figures are available, 238 people died because of smoke and/or gas inhalation, 38% of all deaths (DTLR statistics). With a few exceptions, fires produce a particulate smoke, the effect of which is a reduction in visibility. This in turn will lead to an increase in the time needed to escape, and so also the length of time that occupants are exposed to the products of combustion. Smoke by its nature contains a mixture of substances that can harm an escaping individual. Death will inevitably result if the person does not reach a place of safety before being overcome. For these reasons the control of this toxic substance is best addressed at the design stage.

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FIRE SAFETY BLOGS

  • Fire Engineering Design and Risk Assessment - Firefighting & External Water Supplies - Part 33

    In LWF’s Fire Engineering blog series for Architects and others in the building design business, we have been looking at firefighting and the associated provisions that need to be made for the Fire Service. In part 32, we looked at the standards for wet and dry mains given in Approved Document B and BS 9999. In part 33, we consider dry mains in more detail.A dry rising main is comprised of pipework installed vertically...

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  • Fire Safety for Healthcare Premises - Fire Safety Policies - Part 67

    In LWF’s blog series for healthcare professionals, the aim is to give information on best practice of fire safety in hospitals and other healthcare premises. In part 66, we were discussing how fire safety policies should be formed and finished by noting that consultation with all types and levels of staff in a healthcare setting is necessary to ensure a considered and cohesive fire safety policy. In part 67, LWF will continue looking at fire...

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  • Facilities Management & Fire Safety - Insurers & Property Protection - Part 14

    LWF’s blog series for those who work in Facilities Management, or who have an interest in or responsibility for fire safety has been looking at the impact of the insurer on property protection from fire. In part 13, while acknowledging there are significant areas of overlap between life safety and property protection measures, we began to look at those areas where measures taken to protect property from fire would not benefit life safety aims, and...

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  • Fire Engineering Design and Risk Assessment - Firefighting & Internal Water Supplies - Part 32

    In LWF’s Fire Engineering blog series for Architects and others involved in the building design business, we have been looking at fire safety engineering and, most recently, firefighting. In part 31, we looked at the recommendations made regarding water capacity for any open water used for firefighting purposes and discussed relaying water to the place of fire origin. In part 32, we look at internal water supplies designed for the purpose of firefighting.Fire mains...

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  • Fire Safety for Healthcare Premises - Fire Safety Policies - Part 66

    In LWF’s blog series for healthcare professionals, our aim is to give information on best practice of fire safety in hospitals and other healthcare premises. In part 65, LWF considered some of the many important elements when considering general fire safety in a healthcare building, including the provision of alternative escape routes and the potentially unpredictable nature of human behaviour in a fire situation. In part 66, we look at fire safety policies.Clearly-defined fire...

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Case Studies

Duke of York, Victoria Street, London
The Duke of York is a busy pub in central London, used by commuters and theatre-goers alike.  In 2013, the pub was demolished in order to facilitate the London Underground Victoria Station Upgrad...

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General Bulletins

Fire - The External Risk
When we consider fire safety, our focus is normally from within, what can we do to prevent the occurrence of fire and how we can limit its damage.  Whilst this is the correct stance to take, we m...

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Technical Bulletins

Evacuation Modelling - Factor in Human Behaviour
Evacuation of buildings can be analyzed in different ways. Approved Document B (ADB) which provides guidance on meeting the requirements of the England and Wales Building Regulations with regard to fi...

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