Design of Water Based Fire Protection Systems Essay

Water pressure is the energy that powers sprinkler system, so it is very important. Water flow creates pressure which generates energy that moves water through the pipes. Flow is the measurement of water required for the smooth flow of water to perform the required task. But the fire sprinkler requires much needed effort to provide improved fire protection against high challenge fire hazards. A sprinkler gives fast response with great supply water and increases the fire suppression capability.

Installation of fire sprinkler system requires certain specific construction, performance installation and operation. For e. g. the discharge coefficient of sprinkler is nominally must be within the range of 13. 5-14. 5, where the discharge coefficient is calculated by dividing the flow of water in gallons per minute through the sprinkler by the square root of the pressure of water supplied to the sprinkler in per square inch gauge. Sprinklers were initially designed to control fire with thirty-foot ceilings

In United States, water pressure is measured in per square inch and water flow is measured in gallons per minute. The maximum water supply is depend upon number of conditions such as length of pipe, the place mere fire catch up, the amount of water pressure. The method to measure the water supply depends upon the source of water. The measuring process differs in city water systems, water from tank. Sprinklers were initially designed to control fire with thirty-foot ceilings where flammable stock such as plastics such as plastics is kept 25-foot high in racks.

Whereas in some cases available water supplies is not capable of creating that much pressure required for the control of fire, then a supplementary pump can be used to increase the content of water pressure before sprinklers. Therefore, water quantity needed for sprinkler system should be determined according to the suitable method so that waste should not be wasted or misused.

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REFRENCE

Referred to sites: 1. http://www. patentstorm. us/patents/6336509-description. html Low pressure fast response bulb sprinklers 2. http://www. extremehowto. com/xh/article. asp? article_id=60335 Designing a Sprinkler System Jess Stryker Dated 3rd August 2007

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Design of Water Based Fire Protection Systems Essay

Storage Tanks are the tanks in which flammable and combustible liquids are stored. The storage tanks should be constructed of steel in case they are constructed above grounds. The non-combustible substance can be used for the construction if it is used to store a combustible liquid. The material used for the construction must be that helps the tank to be protected against the fire. In one of the storage tank fires broke out at the island of Palau Merimau, Singapore and the fire started catching tankage containing petroleum, motor gasoline and diesel product.

Despite the size of fire and adverse logistics, fire fighting efforts were successful in controlling the fire. This require operational and design engineering considerations, proper fire fighting strategy, prefire and emergency response plans, fire water management and fixed/semifixed system. A permanent water supply, of sufficient volume, duration, pressure, required to properly operate the fire fighting equipment shall be made available as soon as combustible materials accumulate and in the same way underground waters are to be provided, installed and made available for use as early as possible at the place of fire.

In case were fixed water protection system is not installed with the tank with flammable or combustible liquids the floating roof to cover on liquid which helps to protect the fire to be broke out. Most fires in this design of tank burn only at the seal and are usually easily extinguished. Tanks with floating roofs are not likely to be involved in serious fires. This is because there is far less liquid surface is exposed to the fire.

When storage tanks are not equipped with fixed fire protection then it must contain a stable liquid storage at a pressure 17kPa (gauge). The tanks containing flammable liquids should be normally kept closed for protection of unless the tank is venting. Where drainage facilities are provided to drain water from dike areas, efforts should be made to prevent flammable liquids from entering into any natural resources as it constitute fire hazard.

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REFERENCE

Referred to sites:1. http://www. ofm. gov. on. ca/english/Publications/Guidelines/part4/4commen5. asp SECTION 4. 3 TANK STORAGE Subsection 4. 3. 1. – Design, Construction and Use of Storage Tanks 2. http://www. osha. gov/doc/outreachtraining/htmlfiles/subpartf. html Fire Protection and Prevention DEFINITIONS APPLICABLE TO THIS SUBPART – §1926. 155 3. http://www. ofm. gov. on. ca/english/Publications/Guidelines/part4/4commen5. asp SECTION 4. 3 TANK STORAGE Dated 4th August 2007

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