"How very little since things were made, things have changed in the construction industry"-Rudyard Kipling
If you look at the above quotation can send an that it's not a lot of innovation in the industry with straw, but it has seen great advances in fire protection of the roofing material was. Modern techniques also to remove the fire hazard exaggeration that many people fear with regard to straw. Today, there are blankets are placed between the straw and thecorrect compaction the fire risk is virtually eliminated and the use of lightning rods, straw is no longer the dangerous material of the past.
• PREVENTATIVE
Lightning Protection
Lightning rods should always be installed to protect the thatched buildings. For single poles, the angle of protection from the highest point is 45 ° down, and you should ensure that the entire roof is covered by at least one meter above the roof of the building. ForHigh risk area of the flash, for example, on sloping ground or on a hill, is the angle of 30 ° protection only from the highest point down at the bar and of course the lightning rods have a lot larger or more cables can be installed. If more than a lightning rod is installed, the angle of 60 ° between them protection from their highest points down at the poles.
Binding
For lightning protection purposes, it is strongly recommendedgalvanized steel wire that should not be used for binding the straw, and more of a suitable natural material to be used. Poplar and wattle sticks are often used, and some use sugar cane or straw strands. Tar strings should not be binding, as this will be used to create a backup no effect in case of fire.
Chimneys
Chimneys should be such that the outer surfaces are hot in contact with the thatched roof is not. A full brick thickness (220 mm) is usuallysufficient to meet this requirement. All mortar joints are in the stack must be properly completed. The top of the stack must be at least 1 m above the highest point of the roof and a spark arrestor, (stainless steel mesh fitted), close to the top, covering the whole width of the chimney must be built into the chimney around the edges to prevent sparks and possibly catch fire from the roof.
Cabling & Services
Power and telephone cables should penetrate into the building fromthrough underground channels, and all electrical wiring in the attic screwed conduit should be made of metal, sealed properly with all cabinets.
Refuse
Combustible material should not be allowed to collect near the house. A number of thatched roofs have been in the past, on fire as a result of burning of garden refuse grounds nearby.
Adjacent buildings
There must be enough space between the buildings may prevent fire spread to the thatchedBuilding from adjacent buildings and vice versa. Policies of some countries, calls for at least a 15m distance between the building and its boundary of the property.
• Reduced flammability
Fire-retardant chemicals
Many fire-retardant chemicals are available these days that can be applied to straw by dipping or spraying, but as these chemicals are generally water soluble, in time, be washed out by rain, especially since they do not penetrate the material but form only aSurface coating.
Many of the sun are gradually exposed to the chemicals can evaporate and leave the top layer exposed.
Fireproof Blankets
A protective, can not be combustible membrane placed under the thatching grass, straw to act as a cover to prevent the spread of fire between the layers. Materials that are commonly used for such a purpose, is made of aluminum, cardboard or glass fiber. The disadvantage of such a measure in warm, humid or high rainfall areasthat because of the impermeable membrane or blanket, air flow between the thatched roof is limited and the growth of destructive fungi improve. To allow the flow of air through the straw roof mushroom growth of selected membrane should be sufficiently perforated to avoid.
• FIRE SERVICE
Soak in water
Perforated horizontal pipes on each side can be made available and managed in parallel to the ridge, from stop cocks on the floor. The pipes are made of galvanized steel orCopper, perforated with holes of sufficient intervals along the length of the pipe the water over the discharge of the roof in case of fire. Alternatively, a horizontal pipe is in the roof at the ridge, with '. Exported protruding shakers "by the thatched roof supported by sufficient distance from these facilities can be used to soak the straw in the event of a fire risk. A high rate of water discharge for these are necessary to be effective and will not be able to conduct a household water. SpecialThe agreement must be made with the local council for such a facility.
Other
There are two schools of thought about the value of swimming pools as a source of water for fire fighting. Some local authorities are of the opinion that a community be of benefit if close enough to the house and can be located with unrestricted access for the fire department.
However, some professional organizations believe that straw burns so quickly that firefighters rarely reach theScene before the fire could take and that the first use of water from the tank unit Brigade would be faster than with a swimming pool supply.
A long metal rake handle should be provided in an easily accessible place for smoldering straw torn from the ceiling. The handle can with a matching clip on which the nozzle of the hose can be connected to be installed, thus enhancing the range of the beam.
Even if all of them have taken these precautions, theInhabitants of a house with a thatched roof but must always refuse care when working with open flames or near the house, for example, in preparing for a BBQ or burning garden or when fireworks are discharged in the vicinity.
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