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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Freephone: 0800 410 1130
E-mail: fire@lwf.co.uk

Technical Bulletins

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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 fire safety, specifies width of exit routes such that the time required for occupants to flow out of a prescriptively designed enclosure, containing a maximum design population is 150s (2.5 minutes).


Mechanical Smoke Ventilation Systems (MSVS)

Until recently, prescriptive documents such as Approved Document B (ADB) and British Standards gave guidance on smoke control systems primarily by natural means (i.e. external automatic opening vents (AOV’s) and natural smoke shafts) and pressure differential systems (namely pressurisation systems).


Mechanical Smoke Ventilation Systems (MSVS)

Until recently, prescriptive documents such as Approved Document B (ADB) and British Standards gave guidance on smoke control systems primarily by natural means (i.e. external automatic opening vents (AOV’s) and natural smoke shafts) and pressure differential systems (namely pressurisation systems).


Property and Business Continuity Protection in the UK

Building Regulations are intended to ensure that a reasonable standard of life safety is provided, in case of fire, and do not impose any requirements on the property and business continuity protection of a building.


Fire Safety in the Design, Management and Use of Residential Buildings - Code of Practice

The new code of practice for fire safety in the design, management and use of residential buildings BS9991 is published by BSI and came into effect on 31 December 2011.


Qualitative Design Review (QDR)

Qualitative Design Review or QDR is defined in PD 7974: 2001 as the initial stage of any engineering design in which the basic design parameters for a project are established and the scope and objectives of the fire strategy can be defined.


Water Mist Fire Protection in the UK

The use of water mist systems in the UK has increased over the last decade due to a number of reasons, the advantages being:


Fire Resistant Ductwork and Dampers

An important part of the infrastructure of a building is the ducting network that runs throughout the premises, it is often invisible, but is a key element to the environmental operations in a building.


The Building Regulations 2010

The requirements of Regulation 38 of the Building Regulations 2010 are those formerly covered under Regulation 16b and relate to the fire safety information to be provided by the person carrying out work.


Rising to the Residential Challenge

The recent market downturn has affected the housing industry with many developments being put on hold. As the market begins to recover and demand for homes starts to rise again many developers are reviewing residential schemes with a desire to develop more innovative residential layouts. This bulletin discusses some of the fire safety challenges of residential developments are described and how the application of performance based design can deliver economic, safe and creative residential layouts.


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FIRE SAFETY BLOGS

  • Fire Safety for Healthcare Premises - Fire Safety Training for Staff - Part 85

    In LWFs 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 84, LWF considered those roles in a healthcare environment which might have special responsibilities in case of a fire, before beginning to discuss trainers. In part 85, we will consider the responsibility for effective training through competent trainers before looking at recording and assessing training programmes.Under Firecode,...

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  • Fire Safety for Facilities Management Personnel - Fire Safety Legislation - Part 3

    Lawrence Webster Forrest (LWF) is a specialist fire engineering and fire risk management consultancy whose aim is to give information on best practice in fire safety for facilities management personnel through this blog series. In part 2, LWF continued with an overview of the history of fire safety legislation and discussed the consolidation of legislation into two main branches – one for new builds and major renovations and one for existing buildings. We continue from...

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  • Fire Engineering Design and Risk Assessment - Provision of Firefighting Shafts - Part 51

    In LWF’s Fire Engineering blog series for architects and others in the building design business, we have been discussing firefighting. In part 50, we considered the potential situation with a fire in a basement and how the firefighters would be expected to access the area. In part 51, we continue looking at access for firefighters.When considering how far into a compartment the firefighters will be able to go and what distance they can affect...

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  • Fire Safety for Healthcare Premises - Fire Safety Training for Staff - Part 84

    In LWFs 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 83, LWF began look at those roles in a healthcare environment which might have special responsibilities in case of a fire and while it is not possible to provide an exhaustive list which applies to all, those staff who will be expected to assist in patient evacuation were...

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  • Fire Safety for Facilities Management Personnel - Fire Safety Legislation - Part 2

    Lawrence Webster Forrest (LWF) is a specialist fire engineering and fire risk management consultancy whose aim is to give information on best practice in fire safety for facilities management personnel through this blog series. In part 1, we began an overview of the history of fire safety legislation, which we continue in part 2.In the last blog, it was ascertained that following a fire disaster, it is common to see changes in legislation with...

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Case Studies

Brentwood Town Hall Redevelopment
The redevelopment of Brentwood Town Hall included renovating the existing five storey property to provide police and council offices, a community hub and lettable office space across the basement, gro...

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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...

Read more..

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