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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ARC09 Evacuation Modelling and the use of Building Exodus:-

This bulletin examines evacuation-modelling techniques and the use of one such programme, building Exodus. It reviews their use as a toll to determine possible areas, or deficiencies with a building and can be used to indicate where management procedures or actual structural building work could be necessary to assist in the building evacuation. The bulletin outlines the creation of the building model, the production and running of evacuation scenarios and simulations using the evacuation-modelling programme.


ARC08 Optimising the Cost of Fire Detection and Warning Systems:-

Establishing the correct level of expenditure for the design and installation of an alarm and detection system can be an extremely frustrating process. All professionals involved in this decision making process need to be aware of the fine balance between what is required in order to provide early warning in the event of fire and the cost against risk for life safety and property protection. In this edition we consider the cost of providing such systems and how to optimise those costs in order to get the best value for money.


ARC06 Fire Resistance Testing:-

Curiosity regarding the behaviour of fire in building elements dates back to the 18th century when professional engineers of the time became interested in fire safety. It wasn’t until 1918 however that the first standard was produced by the American Society for Testing and Materials (ASTM) specifically for the purpose of fire testing. It was this publication that paved the way for our own fire testing standards issued as BS 476 and first published in 1932. Soon after this, in 1935, the first fully equipped fire test laboratory in Britain was opened in Borehamwood Herts.


ARC05 Atria in Buildings:-

In this edition we look at atria in buildings and how BS 5588 Fire Precautions in the design, construction and use of buildings, part 7 "Code of practice for the incorporation of atria in buildings" aims to ensure that the incorporation of an atrium into a building does not present an increased risk to life as a result of fire and smoke spread.


ARC04 DD240 Fire Safety Engineering in Buildings:-

In this edition we look at the latest documentation for fire safety engineering in the form of "DD240 Fire Safety Engineering in Buildings" and how fire engineering techniques can be applied to fire safety in building design by showing compliance with the levels of safety attained by using prescriptive regulations.


ARC03 Optimising Smoke Control Through Building Design:-

In many complex buildings which incorporate atria and large unprotected spaces, legislation and codes of practice often require some form of smoke control to compensate for the loss of protected escape routes.


ARC02 Fire Growth in Compartments:-

For those involved in innovative or complex building design, the requirements to comply with BS 5588 and Approved Document B fire safety measures can often result in less than desirable design solutions. However an alternative to modifying design concepts is to utilise a fire engineered solution to acquire Building Control approval. Therefore in order to apply a fire-engineered solution it is essential that the designer understands the factors which affect fire growth and development.


ARC01 Fire Safety and the Disabled:-

Requirements for the provision of disabled access in buildings was first introduced into the Building Regulations over 15 years ago. Since then more detailed requirements have been incorporated in addition to other anti-discriminatory legislation, which place a statutory duty of care on building designers and occupiers to ensure that adequate measures are incorporated into new and existing buildings to enable the safe evacuation of people with disabilities.


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FIRE SAFETY BLOGS

  • Fire Safety for Healthcare Premises - Fire Safety Training for Staff - Part 80

    In LWFs 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 79, LWF began to discuss fire safety training for staff in healthcare premises and in part 80, we continue from that point with more information on who should attend training and what it should comprise.Fire safety training for staff should have the aim of producing awareness and...

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  • Facilities Management & Fire Safety - Community Fire Safety - Part 6

    In LWF’s blog series for those who work in Facilities Management, or who have an interest in or responsibility for fire safety, we have been looking at community fire safety. In part 5, we looked at how government initiatives and programmes have impacted fire safety in homes and schools, including the home fire risk checks undertaken by the Fire Service.  In part 6, we will continue discussing community fire safety by looking at some of...

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  • Fire Engineering Design and Risk Assessment - Firefighting Shafts - Part 46

    In LWF’s recent Fire Engineering blog series for Architects and others in the building design industry, we have been looking at Firefighting. In part 45, we looked at recommendations for the provision of firefighting shafts contained in Approved Document B and BS 9999. In part 46, we consider what those documents have to say on general design considerations for firefighting shafts.Approved Document B and BS...

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  • Fire Safety for Healthcare Premises - Fire Safety Training for Staff - Part 79

    In LWFs 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 78, LWF looked at fire precautions in underground locations. In part 79, we discuss fire safety training for staff in healthcare premises.  The effective management of fire safety training for all staff in healthcare venues is an important area of fire safety management. It is also a statutory...

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  • Facilities Management & Fire Safety - Community Fire Safety - Part 5

    In LWF’s blog series for those who work in Facilities Management, or who have an interest in or responsibility for fire safety we have been looking at domestic fire safety and the related initiatives in the UK. In part 4, we discussed how useful fire safety education for children has been in influencing fire-safe behaviour in the home. In part 5, we consider home fire risk checks before looking at the evidence of successful community...

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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...

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