Our plant has ISO 9001 certification. We carry out both internal and external audits every year to verify that we comply with requirements defined in ISO international standards, and determine the effectiveness of our quality management system. We have defined procedures for controlling inspections of our hydrant valves , fire nozzles, and fire fighting products, quality documentation, and test equipment calibration. We also have formalized internal procedures for dealing with non-conformities occurred in the system. The procedures consist of identifying non-conformities, investigating their causes, and implementing appropriate corrective actions to prevent reoccurrence in the future.
As non-conforming components or parts provided by subcontractors could significantly affect our product quality, we have a strict subcontractor management plan when working with them. We periodically determine and review the qualification of our subcontractors by different indicators, including whether subcontractors currently have recognized quality management system certification on file, whether they provide declaration of conformity that prove their products and manufacturing process are in conformity with the standards, strict incoming inspections and tests, periodic on-site audit carried out by our quality control department.
We have reduced the product defect rate because we always complete a thorough inspection of our products before dispatch. If customers make a claim about defective products, we have a formalized process of managing it. The defective products and products from the same production process will be subject to inspection and confirmation of any suspected defects by our quality control department. A guarantee of replacement of detective products does not cover damage because of extreme heat or chemicals, misuse, improper handling or installation, and accidental damage.
We have invested in the latest test equipment to ensure quality of fire fighting products and conformity with customer requirements. Our inspection instrumentation and test equipment are periodically calibrated by outside calibration laboratory so we are able to verify the precision and accuracy of measurement equipment and adequately perform the tests. We have strict process to record dates of the calibration service and track due dates for calibration.
There are many types of fire extinguisher because there are many different types of fire. Each extinguisher is designed to be used on a specific class of fire. It is important to use the right extinguisher to ensure that your actions are as effective as possible and don’t further ignite the fire.
Class A – fires involving solid materials such as wood, paper or textiles
Class B – fires involving flammable liquids such as petrol, diesel or oils
Class C – fires involving gases
Class D – fires involving metals such as potassium or magnesium
Class E – fires involving live electrical apparatus*
Class F – fires involving cooking oils such as in deep-fat fryers
* Technically ‘Class E’ doesn’t exist. Before this classification system, there was a classification of electrical fires, but since electricity itself is a cause of fire, these types of fires have been incorporated into the main classes. Once you have turned off the electricity the fire becomes the same as any other.
Different chemicals are used for each different type of fire.
Dry chemical extinguishers use a powder-based agent which prevents chemical reactions involving heat, oxygen and fuel, this extinguishes the fire. The substances used for this are Monoammonium phosphate, sodium bicarbonate, potassium bicarbonate, potassium chloride and sodium bicarbonate based dry chemical (Foam compatible).
Foam extinguishers use an aqueous film forming foam, alcohol-resistant foams, film-forming Fluor protein and a compressed air foam system. These smother the fires and prevent oxygen from fueling it.
Water extinguishers use water to cool the burning material. This can be pump type water, air pressurized water and water mist
Wet chemical and water additives extinguish a fire by forming a soapy foam blanket over burning oil and cooling the oil down below its ignition temperature. They use wetting agents, antifreeze and loaded stream (an alkali metal salt solution which when added to water lowers its freezing point).
Carbon Dioxide extinguishers put out fires by displacing oxygen and removing heat from the combustion zone. They use halocarbon replacements, CO2, novec 1230, potassium aerosol and E-36 cryotec.
WATERMIST – there are no chemicals in the water mist extinguisher, it does, however, contain water. What makes water mist different or standard water extinguishers is the nozzle on the extinguisher disperses ‘dry’ water mist particles at a microscopic scale (ranging from 50 to 300µm, 50µm (micrometres) is 5/100ths of 1millimeter).
Using the wrong extinguisher could make matters worse; water on an oil/electric fire would cause the fire to get bigger. It’s safer to make sure you use the correct one.
Fire extinguishers must be serviced every 12 months or after each use by a BAFE SP101 certified service provider. If an extinguisher is found to be leaking, it should be serviced immediately.
Fire extinguishers should be collected and disposed of in an environmentally sound way by your appointed Service Provider. A waste transfer note should be issued by your Service Provider to evidence that the extinguisher has been disposed of in accordance with regulations.
A Fire Alarm System is a number of devices that work together to warn the occupants of a building that carbon monoxide, fire and smoke are present and to evacuate immediately. The alarm system will typically combine auditory and visual warnings to bring attention to the emergency.
Addressable, Conventional, Wireless and Air Sampling. Many fire protection providers have only one system offering, limiting their technical solution options but Universal Fire & Safety Services Ltd is a true systems house, enabling us to match and offer a system solution from a selection of the leading manufacturers that best meet you own particular needs.
The Periodic Inspection requires; the system logbook be checked, a visual inspection undertaken to check whether structural or occupancy changes have affected the compliance of the system (re-siting / replacing / adding devices as required), false alarm incident rates are recorded to ensure compliance with 30.2, battery voltage measured to check it is within the manufacturers recommendations, batteries should be load tested to ensure that they are in good serviceable condition and not likely to fail before the next service visit (25.4b recommends use of batteries with a 4 years minimum lifespan), Control Indicating Equipment (CIE) should be checked, operation of fire alarm devices checked, Alarm Signal Transmission should be checked, all ancillary function of the CIE should be tested, all fault indicators should be checked, all printers should be tested and availability of sufficient printer consumables (printer roles) ensured, radio systems must be serviced in accordance with manufacturers recommendations, manufacturer recommended checks and tests should be carried out across the system. Any outstanding defects should be recorded and reported to the customer, the system logbook completed and an inspection and servicing certificate should be issued. In addition to the tasks specified in the Periodic Inspection the following tasks must be completed once during each 12 month period; testing of every manual call point, examination and functional test of all automatic fire detectors and remote detectors, functional test of every heat detector, smoke detector, optical beam smoke detector, aspirating fire detection system, carbon monoxide detector, flame detectors, multi-sensor detectors etc, full testing of all Control Indicating Equipment, testing of the cause and effect programming by testing one Cause and observing the Effect, testing of the standby power supply capacity to establish it remains suitable for continued service, all further annual checks and tests recommended by the equipment manufacturer.
Using the wrong extinguisher could make matters worse; water on an oil/electric fire would cause the fire to get bigger. It’s safer to make sure you use the correct one.
You must perform one fire drill per year to comply with UK law. You must also record the results of the drill to inform your fire safety and evacuation plan.
Dependent upon use, testing and environmental factors, the standard life expectancy of a fire alarm panel battery is 4 years - unless specified otherwise by the manufacturer
The standard life span of an optical detector is 10 years though some specific manufacturers suggest an extended life span. However, detectors need calibrating according to their environment and are highly susceptible to degradation based on environmental factors. For example a detector situated within a very dusty environment will require replacement sooner than a detector in a clean environment.
The appointment of a new Service Provider necessitates a special inspection of the fire alarm system during which they must identify all major areas of non compliance including; inadequate detection, sounders, power supplies, inappropriate cabling and the absence of a zone plan or other suitable diagrammatic representation of the premises.
These non compliances must be reported to the Customer who is responsible for arranging the undertaking of the remedial action.
Where available the Service Provider should also obtain and review all existing records (including Design and Installation Certificates, Operation and Maintenance Manual, Testing Records, as fitted drawings, a Log Book and a record of all variations.
A double headed hydrant valve consists of a common inlet and body with two outlets. This will have two bonnets, stems and wheels. Double headed hydrant valves were earlier being used where higher flows were required due to severe hazards i.e. you could connect two hoses from the double headed hydrant.
Single headed hydrant valves are standard hydrant valves with a single inlet and single outlet. A double headed hydrant post is fitted with two separate single hydrant valves, allowing two hoses to be connected from the same hydrant post.
Due to the larger body of double headed hydrant valves, there are safety concerns, and nowadays, double hydrant posts with two separate single hydrant valves are used instead.
Normally, fire fighting equipment to be connected to and operated from a hydrant valve is designed for 100 psi (approx 7 kg/cm2) pressure. Hence the normal operating pressure is approx 7 kg/cm2. However, this may vary for different applications for e.g. on large industrial complexes, the operating pressue may be in the range of 10-11 kg/cm2. Similarly, if small diameter hoses (38 mm e being used with hydrants, the pressure may be 4 to 5 kg/cm2.
Flow requirements from hydrants depend on the type of application and the standard fire fighting equipment (branches) which will be connected to the hydrant. This could vary from approximately 2200 lpm (for a double headed hydrant) to 600 lpm for hydrants having 38 NB (1.5") outlets.
Most standards around the world, including BIS, allow the use of different materials for construction for hydrant valves, which include Bronze, Aluminium, Stainless Steel. The main requirements are mechanical strength, corrosion resistance and suitability to application.
When installing hydrant valves, ensure the following –
Ensure that the mating flange of the hydrant post is matching to the valve inlet flange.
Orientation of hydrant valve outlet should be as per standard practices and should allow easy connection of hoses.
Use approved gasket between flanges, and good quality nuts/ bolts
Ensure minimum height of 750 mm from grade level.
Ensure that the hydrant valve rated working pressure is matching to the hydrant system line pressure. If hydrant system pressure is higher, ensure that the hydrant valves are rated for a higher pressure, which matches system pressure.
If Orifice plates are required to be used, ensure that these are of standard size, and provided by the original supplier. Installation of orifice plates should be as per standard practices.
Proper operation of hydrant valves will result in a long and useful life, and at the same time, will ensure that the valve gives effective service when required to do so in an emergency. Certain points to be kept in mind while operating hydrant valves –
Ensure that operators are familiar with operation of the hydrant i.e. direction for opening/ closing.
Open and close the valve slowly – this will prevent water hammer, and ensure safety of operator and equipment.
Do not overtighten the valve (or use spanners) when closing. If valve leaks after closing, it means that the seat washer is not sealing against its seat. This could be due to foreign objects, or wear and tear of washer. Overtightening may damage the threads, bonnet and result in failure of hydrant body.
Hydrant valves, if well designed and manufactured as per quality standards, require little maintenance. Proper periodic cleaning and light greasing of stud threads, and light oiling of the lug will ensure proper operation. Normal parts which can require replacement are the rubber washer (hydrant outlet), seat washer and the gland packing. Use standard washers, if replacement is required.
Underground Fire hydrants or flush type hydrants are used in certain parts of the world, which experience extremely cold weather (and water in above ground hydrants can freeze). They are also suitable for areas like Air fields where installation of normal hydrants is not possible. The Hydrant outlet is just below the surface of the ground protected by a cover, which is flush with the pavement, and so does not interfere with the aboveground operations.
For operating these hydrants, stand pipes are connected to the outlet of the underground hydrants, and hoses can then be connected to the outlet of the stand pipes.
We are committed to delivering responsive and excellent service to all our customers. We are pleased to serve you with the highest quality Products and Services. Our customer’s satisfaction is the most important part of our business, and we work hard to ensure our customers feel valued and heard. With the help of our award-winning customer service team, we will ensure you receive real-time solutions and quality products every time.
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