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IMPORTANT NOTICES AND DISCLAIMERS CONCERNING NFPA ® STANDARDS NFPA ® codes, standards, recommended practices, and guides (" NFPA Standards"), of which the document contained herein is one, are deve loped through a consensus standards development process approved by the American National Standards Institute. This process brings together volunteers representing varied viewpoints and interests to achieve consensus on fire and other safety issues. While the NFPA administers the process and establishes rules to promote fairness in the development of consensus, it does not independently test, evaluate, or verify the accuracy of any information or the soundness of any judgments contained in NFPA Standards.
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Before assessment of quantity of water requirement different criterion shall be checked and selected. Let us study the condition of a multistoried building. Building shall be used for commercial (office) purpose. Two layer of basement shall be used for car parking, other common use and under ground water storage for drinking water, toilet use as well as fire fighting water. Pump house for both fire and normal water shall be on second basement near water reservoir. Pump house shall be at the side of water reservoir on same bottom (better) or above water reservoir.
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Fire Pump Circuit Protection-Make it Count
Fire Pump Circuits are the heart of any building fire protection system. Federal, State and Local Codes are strict when it comes to this section of the NEC (National Electrical Code). This paper provides an overview, and solutions to circuit protection.
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Exploring options in the design of a water distribution network for fire-fighting is presented. The method used was that of the gradient method embedded in the EPANET software. Analysis were carried out for a typical residential estate in Ebocha village. Input data such as fire water demand, pipe lengths, pipe diameters and assumed pump sizes were fed into the EPANET software. Results showed that the existing water distribution network for firefighting was inefficient with a negative pressure of-116.89 metre head when water was released for the purpose of fire-fighting. A total of 5 cases and 25 options of simulations were carried out for the proposed network for the residential area. The best option for the network simulation was that of case 7, option 2 which consisted of two Overhead tanks (OHT) of sizes 10 m ×10m × 2.7m, two submersible pumps of 35HP each and fire pump of 315 HP. The system is designed to automatically pump water 10 minutes after a fire incidence starts and this is possible because of the high aquifer yield in the locality.
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