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£200m fund provided by the Government to stimulate work on towers at risk due to fire safety

Residents in private blocks of flats have finally receive Government support, with a £200 million fund at last provided by the Government to stimulate work on towers at risk because of fire safety.

The Communities Secretary has finally made a clear statement that the scandal of unsafe fire risk cladding is a matter of Public Safety. In a major statement to Parliament on 9 May 2019 James Brokenshire announced a Government fund of £200 million to help remove and replace dangerous Grenfell-type cladding and insulation on the many residential towers under private ownership that are still considered at risk, almost 2 years’ after the Grenfell Tower fire.

There are many in the fire safety sector and in the residential and social housing sector who have been frustrated by the extended time it has taken for proper recognition of the serious situation faced by residents in tall residential towers who are challenged daily by thoughts on the fire risks that exist in external cladding materials of the Grenfell-type identified as a serious fire safety threat.  

Building owners and freeholders responsible for the buildings have failed in many cases to take action. James Brokenshire praised those that had.  But he focused clear criticism on those who had tried to shift financial responsibility unfairly on to innocent residents, who found themselves faced by unaffordable high remediation bills offloaded on to them through no fault of their own. The Minister said that too many owners had failed to take responsibility.  Now the Government has been forced to act, by providing a starter fund (from existing budgets) to remove the block on improvement work going forward.

The message from the Minister is clear.  The Government is “looking at measures to get building owners and developers to do the right thing.”  But the Minister has said that the fund should not be taken to absolve the wider construction industry from taking responsibility for high-risk materials being put on the outside of buildings which have been shown to be highly combustible, infringing building regulatory guidance to limit the chances of external fire spread ( Regulation B4 for England and Wales).  

This isn’t intended to be a free handout without strings.

Receiving money is conditional upon the building owner or responsible person in their stead agreeing a contract to start remediation work within a set period (not defined, however). Owners have three months to apply for funds.  And Government have said that they will look carefully at further steps where owners still fail to take action.

A condition of funding is that the building owner takes “reasonable steps to recover costs from those responsible for the presence of unsafe cladding” in the first place (from the Ministry’s press release). Clearly, this matter will not be allowed to rest. And as the Parliamentary session showed, there are several MP’s from all sides on the case to monitor progress and hold government to account.

Government records that work has yet to start on 166 private high-rise buildings (above 18m tall) to remove and replace at risk cladding and insulation materials.  That compares with 23 still in the public sector. Work on only 10 private residential blocks has been carried out in the last two years since Grenfell. The Government is already funding substantial work in the public local authority sector, by providing a further £400 million previously announced.

That’s £600 million in total, a significant commitment to underline the importance of fire safety.  At last there is a well-defined Government purpose, with evident intent.

433 buildings were originally identified as having unsafe cladding of the Grenfell type. There are questions over other cladding types as well, also under suspicion and to be evaluated in a new government test programme.  That illustrates the shocking scale of the issue, reflecting how low consideration for fire safety had been allowed to slip down the priority list in construction and design.

What are the overall signals for fire safety arising from the Government’s statements?

Personal responsibility cannot be evaded and simply passed on down the chain from one operator to another.  Fire safety means using products and installations that are robust and reliable in fire. The message is: Don’t take unreasonable risks.  Be sure about product capability to survive and last in fire, demonstrated from test evidence. Taking responsibility is fundamentally important.  That personal responsibility applies to anyone designing, specifying, approving and providing products with a claimed performance in fire. It cannot be simply sub-contracted on down the line to others. Fire safety is a matter of public safety, and several in practice have a responsibility to ensure that products, designs and constructions are actually in practice fit for the intended purpose.  

Building owners, developers and their representatives cannot evade their fundamental obligations.  As Justine Greening MP said in the Parliamentary Questions, as recorded by Hansard, “while those owners are quite happy to take the gains that come from owning a building, they must also take the responsibilities that it brings.”  

In summing up the Minister would note for everyone that fire safety ultimately in compliance with regulations is a requirement to be fulfilled under the Law. That should be sufficient reminder.

Ceramic Glass Limited has been involved in fire safety since 1982 as a dedicated supplier of integrity fire-resistant ceramic glass FireLite.  As a transparent ceramic FireLite has ideal properties to perform as a robust resilient barrier against fire. It has a softening point above typical flashover maximum temperatures in building fires and is specifically designed to be immune to thermal stress (as a result of an effective zero thermal expansion coefficient that avoids significant thermal stress generation).

FireLite is therefore ideal for use as fire-resistant barrier glazing.  Used in external glazing, the effective integrity performance can be effective in preventing fire break-out and break back in for tall buildings should fire spread up the outside of the façade. FireLite has the core property of being able to survive in fire resistance tests for longer than 4 hours, even resisting without change the impact of a cold-water hose stream at the end of 4 hours exposure to demonstrate effective resilience against thermal shock and stress.

11

Stay-put policy causes deep division and disputes in professional fire safety circles

One of the core principles at the heart of firefighting policy for dealing with fire in high-rise residential and more complex buildings has come under the spotlight because of concerns over what is best for the safety of residents. What is described as stay-put has been a core principle for many years but now it is being questioned. With that, comes questions over other fire safety measures.
It is common sense and instinctive to many that when aware of fire, simply get out. The psychological reaction to stress and threat is commonly described as either fight or flight. In fire, which can develop and move quickly, the immediate response is flight, get to a place of safety and stay out. 

That’s an understandable reaction. Yet common advice from the Fire Service for those in high-rise blocks and similar high occupancy complex buildings where there is no immediate fire safety supervision, is for occupants to stay where they are if they are aware of fire but not immediately affected by flames, smoke or heat. It’s counter intuitive. But that is the long-standing advice.

The Stay-Put Policy

If there is fire inside your flat then alert everybody in the flat, leave (immediately) and close all doors. Follow a pre-determined escape plan. If there is a lot of smoke in the flat and escape ways, then crawl along the floor where air should be clearer and temperature less hot. Always use the stairs, not a lift. Call 999 when in a safe place. If there is fire elsewhere in the building then you are usually safer to stay in your flat, unless the heat and smoke is affecting you. If you “stay put” then you should still immediately call 999 for advice, and to ensure that fire and rescue and other emergency crews have been notified. Advice can and does change depending on circumstances.
 Advice from The National Fire Chiefs’ Council (NFCC).

From the point of view of the fire and rescue services, there are some practical considerations. 

The underlying, implicit assumption is that the fire safety measures in the building – predominantly the compartmentation structure of the building perhaps combined with suppression systems – will keep the fire small and manageable and in the place where it breaks out. It is also assumed that the detection and alarm systems will work to give the earliest possible alert for fast response. 

Although internal compartmentation barriers may be in place horizontally and vertically, what can be forgotten however, is that the external wall with windows is not usually a compartment wall. Fire can break out. Yet robust fire-resistant integrity glazing can be used to prevent glass failure and limit the chances of flame spread outside, up and along the façade. Ceramic glass can easily resist thermal stress; and has been tested to endurance times of more than 4 hours, even with hose stream impact.

The fire service needs to get to the fire as quickly as possible to deal with it as easily as possible. They don’t want panic in the building with everybody trying to leave, all at the same time.

“Stay put” also means staying aware and keeping in touch with the emergency telephone contacts. It may mean perhaps making emergency decisions to leave when conditions become uncomfortable, especially when firefighters are able to assist. Fire of course is dynamic and circumstances can change on the ground very quickly. Conditions for safe escape may very quickly change as well.

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London F&R Service Commissioner complains that advice on sprinklers is not being heeded. When will there be better recognition of the need for integrated fire safety?

On 11 February 2019 London’s Fire and Rescue Service Commissioner Dany Cotton appeared on Radio 4’s News at One programme to make (yet another) plea for better use of sprinkler fire suppression systems in high-risk residential blocks. The Commissioner spoke earnestly and honestly: sprinklers save lives, but she finds that fire service advice is simply being brushed aside, ignored. 

The evident frustration of the Commissioner’s call for real action on installing sprinklers in both new build and refurbished buildings can easily be understood. Emergency response to fire is to use water. And surely, on a common-sense basis alone, suppression including sprinklers has a role in the fire safety and protection strategies for buildings, especially where higher risks cause concerns?

Sadly, lack of attention on the benefits of sprinklers reflects a wider lack of focus on the risks of fire. Disasters such as Grenfell 2016 and Lakanal 2009, together with other lower profile fire events, suggest that sprinklers are not the only fire safety measure that needs to be given far more attention.
Fire protection – in all its respects – requires more emphasis. The key is integrated fire safety. That’s a variety of different measures, working together, firstly, to avoiding fire breaking out and, secondly, if fire does arise to prevent fire and smoke spread. Both people and property need to be safeguarded against the extremes of fire growth. A combination of steps is necessary, including the following:
Building management aligned with risk assessment to ensure that proper fire precautions are in place, including elimination of obvious sources of ignition, housekeeping to remove easily combustible material and attention to keep escape routes open for use in an emergency.

Attention to active measures – especially detection, alarm and suppression – to allow those in the building to react and move to a place of safety before conditions become untenable.
Appropriate access facilities for firefighters, both outside the building and especially inside.
Effective compartmentation (i.e. defined areas surrounded by fire-resistant boundaries) to limit the chances of fire spread and movement, especially paying attention to ensure that barriers built into the original structure are maintained and not compromised by any building work.
Protected escape ways and enclosures providing access to exit points and escape stairways – to physically keep out fire and smoke, all along the way through to a place of safety.
There are no magic solutions. Fire is unpredictable and its effects uncertain. No single measure on its own can be entirely relied upon, in all potential circumstances; and a combination of different measures is required to cope assuredly with whatever conditions may arise. That may require consideration of enhanced fire resistance, for example, for a longer time period that might otherwise be expected in view of the risks arising from the extremes of intensive fire growth and spread.
And if suppression is to play a role then it makes sense to ensure that other fire safety systems – such as smoke control, venting and fire resistance physical barriers, including fire protection glazing – are compatible with water, as an important part of the overall integrated plan.
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Care home inspections point to a shocking disregard for adequate levels of fire safety

Despite the increased attention given to fire over the last two years, sensitivity to fire safety is still not apparently at the high level it really needs to be given the unpredictability and uncertainties of fire. London Fire Brigade have reported that the elderly are potentially at risk in significant numbers of care homes that they have inspected.  The brigade has found that too many failed to measure up in formal audits, when awareness of the dangers from fire would be expected to be acute. 
It can never be appropriate to relax the focus on fire safety. The Regulatory Reform Fire Safety Order 2005 brought fire safety into line with established health and safety procedures.  Places other than individual private homes (dwellings such as houses and apartments) require a fire risk assessment of the fire safety measures and the means of escape.  Fire is a particular potential threat in care homes where residents are extremely vulnerable and unable to escape to a place of safety without help. 
Yet London Fire Brigade have reported several staggering outcomes from their surveys:
  • 45% of the care homes evaluated in the formal audit were found to have fire risk assessments that were unsuitable or insufficient;
  • 101 out of 177 of inspected premises had to be issued with a formal warning;   
  • in 29% of the inspected homes problems were found with fire doors; and
  • one in seven have been said to have poor emergency planning or a potential shortfall in staff to fully carry out the emergency plan.
Such reports are truly shocking given the prominence of the Grenfell Tower fire inquiry, the Hackitt Report, attention from Government in their implementation plan and numerous guidance notes from the MHCLG’s Expert Panel. All have been in the headlines.  Fire safety could not have been more under a public spotlight. We’ve seen the biggest, most sustained campaign on fire safety awareness in the national press for several years.  Not before time many are saying.
The brigade carried out its audit review because of concerns over a series of fires in care homes.  In February 2018 a resident in his 80’s died, and another left in a critical condition. In 2017 two died in a Cheshunt care home after a fire spread through the roof to quickly engulf the building. 
There can be no room for uncertainty and doubt concerning fire safety.  Nothing must be left to chance.  Fire safety measures and precautions for escape need to be regularly checked and double checked to be confident that they are fit for their intended purpose should fire break out.  Fire safety should always be a combination of different measures working together, with back-up where risks justify an increased level of confidence. 
The lessons of major fires point to the critical need to protect escape ways from fire penetration and to keep them free of black choking smoke.   Preventing fire movement and transfer is key to any fire protection strategy. And in complex and tall buildings or other buildings where escape can be perhaps difficult, complicated and drawn out with major risks to residents then the resilient endurance of the fire-resistant barriers is potentially crucial.  In fire, extended time for assisted rescue and assistance to get out is an important consideration.    
Vision panels are esential in fire doors, along corridors, in lobbies and in walls or partitions surrounding areas which require special protection combined with transparency for observation and perhaps security.  Fire-resistant glazing therefore has a major part to play in maintaining adequate levels of safety and protection against fire.
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Ocado automatic warehouse fire illustrates key aspects of fire safety design

Fire completely devastated the automated Andover warehouse of on-line supermarket Ocado on 6 February 2019, despite attendance by 200 firefighters and 20 fire engines. The cause of the fire is not so far disclosed. The warehouse is reported to have contained sprinklers, which raises important points about the use of sprinklers in large open spaces full of combustible items. Sprinklers should not be in isolation, but advisedly used in compartmented zones, part of a holistic fire protection strategy.
The fire in Ocado’s flagship robotic warehouse killed nobody.  But it serves to remind us that fire can cause major disruption and costs in the destruction of property and building contents. The blaze lasted at its height for 48 hours, destroying a £45 million state-of-the-art modern handling facility, temporarily wiping £1 billion off the retailer’s stock market value. 100 local residents had to be relocated because of the risk of a pressured tank exploding and concerns over fall-out from the smoke plume, down-wind for 1.6 km. Stock worth £6 million is reported lost, along with the hundreds of robots used throughout the facility for the assembling of orders (at around 30,000 orders per week).
Dr Jim Glocklin, Technical Director of the Fire Protection Association (on behalf of the insurance industry), reported in the specialist on-line news portal IFSEC Global, observes that the intended function of sprinklers is to stop the growth and development of a fire – to hold fire at a manageable size so that it can be more easily extinguished by the fire and rescue service when they arrive.
Dr Glocklin emphasized the importance of holistic fire safety design.  He draws attention to the need for sprinklers to be designed within a compartmented structure, i.e. with the building divided into control zones intended to restrict the ability of fire to spread very far, very fast, by the use of robust barriers that are fire resistant, to prevent the physical movement and transfer of fire.
It’s implicit that the use of a sprinkler system should be designed carefully with the characteristics of the protected space in mind, especially including considerations on what the maximum compartment size should be.  It would also be sensible, as part of the holistic approach, to give thought to the ability of the compartmentation boundaries to remain in one piece under fire conditions where there is the chance of water impingement, not just from sprinklers but also from firefighter hose streams.  

That applies particularly to glazed partitions and glass vision panels or internal glazed ribbons assemblies, which can be so important in large internal compartmented spaces to provide natural lighting and allow through vision from one side of a compartment to another.  Standard glass products have no significant resistance against fire: traditional glass is notoriously vulnerable to thermal shock and stress.  Ceramic glass, however, is exceptional in its immunity to thermal stresses.
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Ceramic fire-resistant glazing and sprinklers can work well together

Councils are now thinking more seriously of better levels of protection for residents in residential tower blocks. That’s signalled by commitments from some to install sprinklers and to look more closely at fire door performance. Both point to an increasing consideration of wider holistic fire safety – combining different systems since no single measure on its own can provide the full level of assured protection that is needed, given the risks that can apply in high-rise and multi-occupancy residential buildings that were originally designed and built, perhaps refurbished, at a different time when fire safety was not as prominently on the public agenda as now applies.
Where the main attack/defence strategy against fire is to use water – either as sprinklers or reliance on firefighter action – then equally part of the strategy should be to consider transparent glazing panels that are resilient against cold water thermal shock should events turn out to be more severe and different from those originally anticipated.
Ceramic glass is a distinctive glazing product that characteristically has in-built resilience against water under fire conditions. It is specifically designed to resist thermal stress.  Thermal shock is a major failure risk for glass in fire.  But water and ceramic can happily co-exist, without fears that a ceramic glass panel can so easily crack and fall apart under thermal stress and cold-water shock.
  • Ceramic glass is transparent, 5mm thick, easily glazed, handled and cut (using a basic tile cutter) to suit basic vision panel sizes or larger panes alike. It is readily available and obtained.
  • The core property of ceramic glass is resilience against thermal stress, ideal for fire conditions.  That’s because of its marginally negative and close to zero thermal expansion coefficient, so that significant thermal stresses just cannot be generated in fire.
  • Compatibility with water.  It is even possible to combine glazed screen arrangements with sprinklers to form large area water curtains, which function as normal glazed screens, without the risks of screen failure in fire due to uneven or sporadic water flow over the glazed surface.
  • The ceramic softening point due to its foundation composition is also high, much higher than standard glass and well above temperatures likely to be experienced in fire.   
Ceramic glass as a transparent and robust fire-resistant glazing has significant advantages in fire.  Those apply especially where risks and concerns lead to a higher level of assured protection that may have been the case in the past, to remove doubt and uncertainty.
The Hackitt Review concludes that change is needed.  It observes that a “race to the bottom” is not the right direction of travel. What is needed instead is a race to the top because of the uncertainties of fire – to drive standards up in the interests of dispelling uncertainties, risks and doubts about protection in fire, in a broader holistic context which combines the best of available technologies.
There should be no room for complacency and uncertainty in fire. Confidence has naturally taken a hit following the Grenfell tragedy, which at the same time also brings to mind the previous disaster at Lakanal House.  That should mean thinking more broadly and adopting available technical solutions, such as ceramic glass, that haven’t previously been given as much attention as they deserve.
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The Grenfell fire reminds us that there should be no room for uncertainty

Seventy-two individuals tragically lost their lives because of the horrific conditions of the Grenfell Tower fire in the early hours of June 14, 2016. The subsequent Hackitt Review pulls no punches. It concludes that there is a fundamental need for change in attitudes to fire safety. Life safety, says Government Minister the Hon James Brokenshire MP, must now be paramount. And that means paying more attention to the products and technologies that are used to provide resilience against fire.
The Grenfell Tower fire catastrophe has shaken the world of construction, design and fire safety. Such a fire was not anticipated. If it had been then so many would not have died in such horrific conditions – extremely intense fire spreading so easily from inside to outside then breaking back in at several levels, apparently from all sides, at height, followed by extreme dense smoke development and further fast fire spread within the building through what fire-retaining walls were in place.
  • A key principle of fire safety design is called compartmentation – i.e. constructions to contain fire where it breaks out, and prevent its spread using designated fire-resistant constructions that are able to resist fire penetration from one side. Compartmentation evidently failed in Grenfell.
  • The essence of compartmentation is to contain fire, to stop physical fire movement by using fire-proof barriers – to minimise the risk, for as long as possible and as effectively as possible.
    Fire isolation and separation from those trying to escape is crucial.
  • Firefighters need to be able to get into the building with minimal risk, to carry out their rescue and firefighting roles. Sprinklers systems for suppression during the early stages of fire need to work in the place where the fire breaks out before they can be perhaps overwhelmed by fast fire spread.
A lesson from Grenfell should be how fast fire can grow and spread given the fire load from fixtures, fittings, furnishings and constructions in today’s residential environment. The key fire safety strategy of stay-put that has been such a focus in Phase 1 of the Grenfell Inquiry, under Judge Sir Martin Moore-Blick, critically depends on compartmentation and fire separation working reliably and dependably.
Most materials deteriorate in fire, some more catastrophically than others. Standard glass, for example, has no significant ability to resist fire: it is notoriously susceptible to failure due to thermal shock, easily cracks and can fall apart under even quite mild thermal stress. Even specifically developed fire-resistant glass types have their failure mechanisms. And their resilience is limited, as exemplified by standard test classifications which are typically just for 30 minutes or perhaps 1 hour, (with more sophisticated constructions needed for 90 minutes and longer, perhaps to 2 hours).
  • FireLite ceramic glass is a different material compared with standard flat glass compositions.
  • Ceramic is an engineered material designed to be resistant to thermal shock and thermal stress.
  • It has a very high softening and flow temperature compared with standard glass types, much higher than temperatures likely to occur in typical building fires.
  • Most importantly, FireLite ceramic is able to survive in one piece, untouched, under a water stream from sprinklers or firefighter hoses on the hot ceramic. Tests have conclusively demonstrated that.
  • FireLite – only 5mm thick – has been tested several times for resilience under standard test furnace conditions for longer than 4 hours, remaining unchanged and still in place, in one piece.
  • If extended time is required in holding fire back then ceramic is a real option to consider.
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