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New guidance around preventing exposure to carbon monoxide in commercial kitchens has important implications for UK sports stadia, says ductwork specialist Francesca Smith.

The Health and Safety Executive (HSE) has released guidance for establishments that use solid fuel appliances such as tandoori ovens, charcoal grills and wood-fired pizza ovens. By following the guidance, stadia and arenas with solid fuel appliances on their premises can prevent workers, customers, and even members of the public in neighbouring properties from being exposed to harmful levels of carbon monoxide.

The highly poisonous gas, which has no taste, smell or colour, is released when solid fuel is burned and can quickly build up without proper ventilation. This can result in serious, permanent ill-health effects, or even death, to anyone nearby.

This is particularly important within arenas and stadia as the kitchens, and grease extract, are generally located on the outside of the premises, with the customers inside. If carbon monoxide were to leak, or a fire break out in the grease extract, customers would have to go through danger areas to access the outside.

Stadia managers should also be aware that the issues addressed in the guidance are the tip of the iceberg.

CAIS26

The guidance in Catering Information Sheet No 26 affects the installation, design, positioning and maintenance of solid fuel appliances and their ventilation systems.

Installation

When obtaining a solid fuel appliance, seek competent advice on all technicalities relating to installation, ventilation, extraction and maintenance, from organisations such as the official body to approve biomass and solid fuel heating appliances HETAS, Catering Equipment Distributors Association (CEDA), Catering Equipment Suppliers Association (CESA) and the Building & Engineering Services Association (B&ES).

Design

Determine what material your flue/extraction system is constructed from. Stainless steel is not corroded by the gases released during solid fuel combustion. However, many kitchen extraction systems are made from galvanised steel, which is liable to corrosion. This can potentially leak carbon monoxide, and other toxic gases, into the surrounding areas.

An extraction system and its components, such as induction fans, should be designed to withstand high temperatures and corrosive flue gases. Also ensure there is minimal risk of heat being transferred to any combustible materials close to the flue/ductwork.

Ventilation and extraction

Your flue should be located outside the building and must terminate to the external of the building at a safe atmosphere or discharge point. Seek advice from your local authority building control department to make sure that you are compliant with their requirements.

In commercial kitchens with both a natural draught flue and a mechanical extraction system, gases can be drawn back down the flue into the room. In this instance, having an equal supply of make-up air to compensate for combustion and removal of resulting gases is very important. A competent engineer can advise you on how best to achieve this.

Maintenance, testing and cleaning

Extraction systems for commercial solid fuel appliances must be thoroughly examined and tested, by an expert, at least once every 14 months.

Also have an appropriate regular cleaning and maintenance programme, carried out by professionals, to ensure that your extraction system continues to function properly. A specialist contractor may be needed to clean the extraction system.

Monitoring

Carbon monoxide gas can build up quickly and overcome people without warning. A functioning audible carbon monoxide alarm complying with BS EN 50291 should be fitted, in accordance with the manufacturer’s instructions, and people should be evacuated if the alarm goes off.

Repeated activation of the alarm indicates a problem, which should be thoroughly investigated before the appliance is put back into use. Battery – rather than mains-operated – devices should be tested regularly. If possible, the appliance/alarm should be interlocked with any fitted mechanical ventilation.

Make sure that the extraction system fan stays switched on until all solid fuel has been extinguished, even if nobody is on the premises, by running it 24 hours a day or by interlocking the extraction fan to the carbon monoxide detector. This will protect people in neighbouring properties from any carbon monoxide leaks, and the building will be safe to enter for the next shift, and safe to access out of hours.

Selection and storage of fuel

Only use fuel suitable for your appliance, recommended by responsible suppliers/manufacturers, unless your extraction system can safely remove the products of combustion from alternative fuels.

Burn only the amount of fuel you need to minimise the amount of carbon monoxide produced and to keep your costs down. Store solid fuel in a dry and ventilated area, or in line with the manufacturer/supplier’s storage instructions.

Information, instruction and training

Ensure that workers are aware of the risks and control measures required to operate the solid fuel appliance safely, of the signs and symptoms of carbon monoxide exposure, and how to follow the emergency procedures.

Tip of the iceberg

What many arena managers don’t know is that cleaning a ventilation system, which can collect highly-flammable grease, can do more damage than good in some instances.

Cleaning usually has to be done with a caustic based chemical, which is highly corrosive. Any residue can significantly speed up the rate of corrosion, and can corrode stainless steel as well as galvanised steel. This can inadvertently worsen a carbon monoxide leak into a building.

Regardless of whether galvanised steel, stainless steel or another material is used, the system needs to be checked for corrosion as part of a rigorous planned safety check. Grease builds up irrespective of the fabrication, which introduces the need for cleaning with a potentially corrosive chemical.

Cleaning must therefore be tackled by fully trained, skilled and accredited specialist cleaners whose methodology is exact enough to remove all traces of caustic based chemicals.

Also, while the guidance states that extraction systems must be examined and tested, at least once every 14 months, and cleaned regularly, stadia managers should be careful to check for specific stipulations in their buildings insurance warranty. Most insurers won’t pay out in the event of a fire or a carbon monoxide leak, citing non-compliance.

And finally, don’t assume that everything is OK simply because disaster hasn’t yet struck. A ventilation system, or even just a component such as a fire retardant sealant, could be quietly corroding away out of sight, with possibly fatal consequences. Take great care in picking the right suppliers for installation, design, positioning, maintenance and cleaning, to keep people out of harm’s way.

 

Francesca Smith is Managing Director of ductwork specialist Bright Hygiene.

The Football Safety Officers Association (FSOA) of England and Wales was formed in 1992 and aims to develop and improve all aspects of stadium safety. Dallmeier, one of the world’s leading providers of solutions for network-based video surveillance and an expert in stadium security, has now signed a three-year sponsorship and partner agreement with FSOA.

Dallmeier UK offers various solutions to enable FSOA members (both Premier League and non-Premier League Clubs) to update and enhance their video surveillance solutions to meet the modern challenges faced by today’s stadiums and to implement the latest technological advancements in surveillance in a cost effective manner.

Dallmeier will provide advice to stadiums on video surveillance systems (VSS), including a free system audit with a road map for future CCTV development to meet the individual requirements of each stadium.

FSOA members will benefit from preferential pricing and discounted video surveillance solutions available from Dallmeier UK’s Authorised Partners, to either compliment or replace their existing VSS. There is also funding potential from the FSOA for non-Premier League Clubs, based on an agreed selection criteria be it for a one off large number of spectators attended game, or for partial or complete upgrade of the existing CCTV system to High Definition video surveillance.

The aims of the agreement are to improve stability and resilience in the surveillance systems of stadiums and to ensure that captured incidents are of evidential quality and sound for use as evidence. Dallmeier is offering scalable match day surveillance systems, from small to large scale solutions – so the right solution for every need.

 

About Dallmeier

Dallmeier has at its disposal more than 30 years experience in transmission, recording, as well as picture processing technology and is an outstanding pioneer of CCTV/IP solutions worldwide. This profound knowledge is used in the development of intelligent software and high quality recorder and camera technologies, enabling Dallmeier to not only offer stand-alone systems, but complete network solutions up to large-scale projects with perfectly integrated components. Right from the beginning the company always focused on own innovative developments and highest quality and reliability. Dallmeier is the only manufacturer in Germany that develops and manufactures all components in-house. This includes the entire product range, from cameras to picture storage and transmission to intelligent video analysis and even individually adjusted management systems.

Over the years, Dallmeier has repeatedly given fresh impetus to the market with new developments and extraordinary innovations. The world’s first DVR for example, which introduced digital recording to the entire CCTV industry, came from Dallmeier. The multifocal sensor system Panomera® will have a similarly groundbreaking effect: This unique and novel camera technology will revolutionise the market and open up completely new possibilities to the video security industry. This and the extensive experience in the CCTV and IP field have led to a top position in the international market for digital video surveillance systems.

For further information, go to: www.dallmeier.com and www.panomera.com

Dallmeier was once again a show sponsor and exhibitor at this September’s Stadia & Arena Asia Pacific 2015 event, which was hosted by the Singapore Sports Hub; one of Dallmeier’s client venues. Dallmeier’s Roland Meier, Head of Panomera® Multifocal Sensor Systems, was one of the industry experts that took part in the ‘Technology in Stadia: Key considerations when assessing requirements for your venue’ panel session.

Vlado Damjanovski book on Panomera® multifocal sensor technology

Comments Off on Vlado Damjanovski book on Panomera® multifocal sensor technology

The well-known Australian author, inventor and video surveillance technology expert, Vlado Damjanovski, has written a book about Panomera® multifocal sensor technology.

 

In his book, entitled “The Panomera® Effect: A new camera technology by DallmeierDamjanovski discusses, among other topics, the concept of the multifocal sensor technology and its advantages for installation. The book also deals with aspects such as depth of field, picture quality, low light and dynamic range.

 

Damjanovski commented:

When I saw the Panomera® concept for the first time it was of no surprise to me that such innovation came from Dallmeier. The underlying concept of the Panomera® appears simple, yet the way in which it is executed, how the hardware is put together and how the software works, is very critical for the perfect results obtained. This stylish innovation could only have been achieved by a ground-breaking engineering company such as Dallmeier. I was absolutely delighted to accept the invitation by Mr. Dieter Dallmeier to produce this booklet about the Panomera®.

Having now written and published four large technical books about CCTV, as well as producing CCTV technical magazines, I feel well versed in being able to comment about this new camera system. When innovations such as the Panomera® come about, they bring a dynamism to an industry where engineering concepts succeed into engineering product reality. The  Panomera® will open up new horizons in the ever evolving CCTV industry.

 

The Panomera® Effect book is available both in English and German, with copies available online at: http://www.dallmeier.com/index.php?id=1017&L=1

 

About Dallmeier

Dallmeier has at its disposal more than 30 years of experience in transmission, recording as well as picture processing technology and is an outstanding pioneer of CCTV/IP solutions worldwide. This profound knowledge is used in the development of intelligent software and high quality recorder and camera technologies enabling Dallmeier to not only offer stand-alone systems, but complete network solutions up to large-scale projects with perfectly integrated components. Right from the beginning the company always focused on own innovative developments and highest quality and reliability. Dallmeier is the only manufacturer in Germany that develops and manufactures all components on its own. This includes the entire product range, from cameras to picture storage and transmission to intelligent video analysis and even individually adjusted management systems.

Over the years, Dallmeier has repeatedly given fresh impetus to the market with new developments and extraordinary innovations. The world’s first DVR for example, which introduced digital recording to the entire CCTV industry, came from Dallmeier. The multifocal sensor system Panomera® will have a similarly groundbreaking effect: This unique and novel camera technology will revolutionise the market and open up completely new possibilities to the video security industry. This and the extensive experience in the CCTV and IP field have led to a top position in the international market for digital video surveillance systems.

 

For further information, go to:

www.dallmeier.com

www.panomera.com