The Leading News & Information Service For The Facilities, Workplace & Built Environment Community

Sunday, 17 November

Warning for Norfolk Fire Extinguishers

In its warning on the Norfolk range of large dry powder fire extinguishers, manufactured before 2009, the HSE states that they may be affected by moisture ingress at a threaded joint at the base of the unit, rendering the unit inoperable.

Unfortunately, the problem may not be identified during routine service inspections and the concern has come about from a recent fire on a chemical plant when three wheeled dry powder fire extinguishers, containing 45kg of Monnex dry powder, failed to discharge when activated.

This safety alert relates to dry powder units manufactured between 1970 and 2009. An identifying feature of these units is that the discharge hose is coupled at the base of the unit via a threaded metal elbow joint. The HSE is advising businesses and organisations to do the following:

  • Users should identify if their extinguishers are likely to be affected. If yes and the extinguisher has been left exposed to adverse conditions since its last extended service, the condition of the elbow joint at the base of the unit should be examined by a competent service engineer.
  • If you are unsure if your extinguishers are affected by this safety alert, consult Britannia Fire Ltd.
  • Service engineers should closely examine and if necessary, remove the elbow to confirm if there is evidence of water ingress to the discharge tube. If there is any doubt about moisture affecting the powder in the discharge tube, consider subjecting the extinguisher to an extended service, including full replacement of the dry powder.

 

The flexible discharge hose is normally removed during servicing however the elbow joint is not usually disturbed. It is believed that water ingress at this joint resulted in caking of the dry powder within the elbow joint. The caked powder may fall back from the discharge tube into the body of the extinguisher and so not seen during basic servicing. Upon activation of the extinguisher, the caked powder can block the discharge hose and render the unit inoperable.

If you are unsure if your units are affected by this safety alert, consult Britannia Fire Ltd.

Picture:    The Norfolk range of large dry powder fire extinguishers, manufactured before 2009, may have problems with water ingress.

Article written by Mike Gannon

Share



Related Articles

Britain's Annual Injury & Ill Health Statistics Released

The latest annual injury and ill health statistics from the Health and Safety Executive show 1.3 million workers were suffering from work related ill-health and there...

 Read Full Article
Illness and Injuries High Despite Death Rate Decline

The Health and Safety Executive (HSE) released its annual figures for work related fatalities (April 2016 to March 2017)  on July 5, as well as a figure for the...

 Read Full Article
High Anxiety - True Cost of Stress in the Workplace

The Stress Summit 2017 is set to take place on March 16 at London's QEII Centre. Half a million workers across Britain are suffering from work-related stress,...

 Read Full Article
Mr Briggs Captured and Three Take a Fall

A demolition contractor has been sentenced after admitting illegally removing asbestos from a building he was working on. David William Briggs, trading as Briggs...

 Read Full Article
HSE Drop in Construction Visits

Figures obtained by UCATT have revealed a decline in the number of inspections that HSE is undertaking on construction sites. The construction union UCATT made a...

 Read Full Article
Window Wallies Whacked in Wallet

A company which manufactured and installed windows has been fined £36,000 after carrying out work in the West End of London with no measures to prevent the workers...

 Read Full Article
New GB Health & Safety Strategy

With an enviable record in health and safety, the HSE has published six themes that its new five-year UK strategy will have for the country. Despite the...

 Read Full Article
Logistics Company Found Guilty

A logistics company has been fined £20,000 after a worker was hit by a forklift truck in a busy yard and suffered head injuries. The HSE investigated and...

 Read Full Article
International Companies Sentenced after Fatality

Two global operators have been found guilty after a worker was killed and another seriously injured during construction of an offshore wind farm.  The incident...

 Read Full Article
No Intervention Plan for Intervention Fee

A scheme designed to shift the cost of regulating workplace health and safety to businesses has proved ‘effective and should stay’ says the Health and Safety...

 Read Full Article