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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Lawrence Webster Forrest
Legion House
Lower Road

Tel: +44 (0)20 8668 8663 Fax: +44 (0)20 8668 8583

Fire Suppression

Fire suppression can often become a necessity in order to comply with your legal requirements for Building Control approval, to meet your insurers requirements or to offset otherwise onerous fire precautions. Often an overview of your premises fire precautions strategy can reveal the installation of total or partial fire suppression system could reduce building and insurance costs, or provide you with other operational benefits. Fire suppression systems work against the development of fire in a variety of ways so it is therefore essential that the designer is fully aware of all fire safety engineering options available, such that the optimum solution can be adopted.

LWF are able to undertake on your behalf:

  • A detailed hazard identification analysis of your premises for current and future occupation.
  • Prepare on your behalf, feasibility assessments identifying options for fire suppression and risk reduction against potential costs.
  • Assist you in the preparation of a cost benefit analysis.
  • Advise you on suppression options relevant to the specific use of your premises and the implications of discharge on the building and occupation.
  • Define optimum sprinkler configuration suitable to the hazard and risk within your premises.
  • Undertake detailed sprinkler designs to meet any hazards and interface as appropriate with any existing fire engineering designs within your property.
  • Identify and define on your behalf, all possible fire suppression options including; water mist, gaseous, foam, or dry powder-extinguishing agents.
  • Provide you with independent advice on suppression systems manufacture, performance, suitability and appropriateness for individual circumstances.
  • Prepare detailed water supply, infrastructure and distribution pipe-work layouts on CAD.
  • Prepare detailed performance and materials specifications.
  • Prepare tender packages and provide full project management services.
  • Represent and negotiate with all statutory approvals authorities on your behalf at the design and post construction stages.
  • Advice on systems servicing requirements and service contracts.
  • Provide staff training in systems operation.
  • After-care service, including for changing needs and hazards, and advice on adaptation and extension of the system.
To talk more about your project needs and how we can help to fulfil them, please call 020 8668 8663.

Our Services

To discuss any of our services please call 020 8668 8663 or email

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  • Fire Engineering Design and Risk Assessment - Compartmentation & Life Safety - Part 5

    In LWF’s Fire Engineering blog series for Architects and others working in the building design business, we have been discussing compartmentation. In part 4 of this series, the ways in which compartmentation supports life safety functions in a fire situation were summarised. In part 5, we look at the ways the issue of compartmentation and life safety is covered in the national building regulations, before looking at the spread of fire. 


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  • Fire Engineering Design and Risk Assessment - Maintenance of Compartmentation - Part 4

    In LWF’s Fire Engineering blogs for Architects and others who work in the building design business, we have been looking at compartmentation of buildings to avoid fire spread from the compartment of fire origin to any other area. In part 3 of this series, the fire-resisting performance of elements which go into comprising a fire-resistant compartment was discussed. In part 4, we discuss how a compartment’s integrity is only as good as its ongoing maintenance,...


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Case Studies

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Key Facts: Client: King’s Clinical Neuroscience Institute Project Manager: MACE Ltd Designers: Devereux Architects/Allies and Morrison Approximate Size: 7,400m2 Description of the Project:...

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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

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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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