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Fire Suppression Systems

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Download FM 200 Firefighting Design Course - PPT

Download FM 200 presentation for the design of total flooding extinguishing system.  Fire suppression with gas systems reduces damages,  FM 200  is a clean and colorless gas, it is environmentally friendly fire suppression agent and it is safe for humans.

FM 200 course contents:

• + General information
• + System layout
• + Information needed
• + Design steps
• + Design concentrations
• + Agent quality calculations
• + Achieved concentrations
• + Container selection
• + Nozzle locations 
• + Nozzle limits
• + Pipe network rules
• + Pipe size estimations
• + Room integrity test
• + Pressure venting

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Fire Suppression system

Are you searching for fire suppression system & fire alarm system fire engineering technology is one of the best manufacturer, service provider and supplier of fire suppression system. we provides excellent quality fire suppression system at a pocket-friendly price in delhi india. – powerpoint ppt presentation.

• Fire Engineering Technology, started with the vision to cater the Hoospitals, Hotels, Government sector, and other sectors like Mining and Industries to provide best quality of Fire Safety system with satisfacction. The company is engaged in Trainiing, Product support and designing activities. It haas a history of delivering value to the customers through engineering expertise, efficient operation s and Quality systems. The company has demonstrated itts ability to handle projects successfully in the dommain of Manufacturing and other sectors. Flexibility to adapt to varying needs of the custom ers coupled with the extensive knowledge of thhe industry has ensured delivery of quality products consistently.
• Fire Engineering Technology, started with the vision to cater the Hospitals, Hotels, Government sector, and other sectors like Mining and Industries to provide best quality of Fire Safety system with satisfaction. The company is engaged in Training, Product support and designing activities. It has a history of delivering value to the customers through engineering expertise, efficient operations and Quality systems. The company has demonstrated its ability to handle projects successfully in the domain of Manufacturing and other sectors. Flexibility to adapt to varying needs of the customers coupled with the extensive knowledge of the industry has ensured delivery of quality products consistently.
• We are a professional firm providing fire suppression systems, fire protection and life safety services. We encourage our team members growth through personal and professional development to enhance sustained growth of our company. We engage in active partnerships with our clients to provide design-focused solutions with an unyielding approach toward results. While others are content with technical compliance, we are only satisfied with incident-free outcomes.
• FIRE ENGINEERING TECHNOLOOGY has been providing inspection, functional test ting, and maintenance of fire protection systems to commercial, industrial, government, and mercantile facilities since 2014. We expanded our services by adding special hazards systems and added fire alarm and detection. Most recently, we have added access control systems, fire extinguisher sales and service, and fire protection systems management programs.
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• Installations of Fire Alarm System
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• Training and Certifications
• We at Fire ENGINEERING TECHNOLOGY team members were asked to provide management with their input to establish our core values. FET team members have developed core values using one word with a description of what each word means to them. FET has made these the cornerstone of our philosophy.
• Safety Operate in a safe, but timely manner never work in conditions you deemm as unsafe. For yourself, your team, and your customer.
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• Field Technicians/Field Specialists complete rigorous in-house training meeting Technician Level I standards within the first year and Technical Level II within the second year.
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• Engineering Technicians (Designers) are Strictly follower of VDS NFPA rules for Gas Flooding/ Fire Suppression System, Sprinkler System Layout, Fire Alarm Design and Special Hazards Design.
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Fire Suppression

Sep 03, 2014

750 likes | 1.22k Views

Fire Suppression. 21. Objectives (1 of 2). Describe offensive versus defensive operations. Describe how to operate hose lines. Describe how to attack an interior structure fire. Describe exposure protection. 21. Objectives (2 of 2). Describe how to attack a vehicle fire.

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21 Objectives (1 of 2) • Describe offensive versus defensive operations. • Describe how to operate hose lines. • Describe how to attack an interior structure fire. • Describe exposure protection.

21 Objectives (2 of 2) • Describe how to attack a vehicle fire. • Describe how to extinguish a flammable gas cylinder fire. • Describe a BLEVE. • Describe how to attack fires involving electricity.

21 Introduction • Refers to all tactics and tasks to achieve extinguishment of the fire • Accomplished through a variety of methods • Can remove • Fuel • Oxygen • Heat • Break chemical chain reaction • Typically extinguish with water

21 Offensive vs. Defensive Operations • Interior operations are offensive. • Exterior operations are defensive.

21 Offensive Operations • Exposes fire fighters to heat and smoke • Objective is to apply extinguishing agent directly to overpower the fire. • When successful, causes least amount of property damage • Used when fires are small • Usually uses small handlines, but may use large handlines

21 Defensive Operations • Usually uses large handlines or master streams • Used when fire is too large for offensive attack or risk too great to fire fighters • Objective is to prevent fire from spreading • Water is directed from exterior while fire fighters maintain a position of safety.

21 Making the Strategic Decision • Must be made by the Incident Commander (IC) • Must be made prior to operations beginning • Must be clearly communicated to personnel • Confusion cannot exist on which operation is underway. • The strategy may change during the operation.

21 Factors for Strategic Decisions • If the risk is too great, defensive is only option • If offensive, must consider where and how • Factors to consider • What are the risks vs. potential benefits? • Is it safe? • Are there any structural concerns? • Are there any lives at risk? • Does the size of the fire prohibit entry? • Is there enough help for an interior operation? • Is there an adequate water supply?

21 Operating Hose Lines (1 of 2) • Small handlines • Operated by one fire fighter • A second is helpful for advancement and maneuverability • Large handlines • Require two or more fire fighters for advancement • One fire fighter can operate if the line is well-anchored.

21 Operating Hose Lines (2 of 2) • Master streams • Operated from a fixed position • on the ground • on top of a fire apparatus • on an elevating device • Used for defensive operations

21 Fire Streams • Nozzle defines the pattern and the form of the water discharged. • Produced by either • Smooth bore nozzle • Adjustable nozzle • Operator must know how to set the discharge pattern.

Divides water into droplets with large surface area Absorbs heat very efficiently Can lower heat levels very quickly Can protect fire fighters from the heat of a large fire Usually adjustable from straight stream to narrow fog to a very wide fog 21 Fog Stream

21 Straight Stream • Provides more reach than a fog stream • Keeps water concentrated for penetration • Created by the narrowest setting on a fog nozzle • Consists of highly concentrated droplets

21 Solid Stream • Produced by smooth bore nozzles • More reach and penetration than straight stream • Consists of a continuous column of water

21 Points to Remember • Air is moved along with the water. • Fog streams move large amounts of air. • Thermal balance may be disrupted, pushing hot fire gases onto fire fighters. • Straight streams move very little air, causing less thermal inversion.

21 Interior Fire Attack • Offensive operation where fire fighters enter a structure • Fires inside a structure are much more challenging and involve greater risk. • Three methods of attack: • Direct • Indirect • Combination

21 Direct Attack • Most effective attack method • Uses straight or solid stream • Delivers water directly to seat of fire • Uses short, controlled bursts of water • Only applies as much water as required

21 Indirect Attack • Used when area is ready to flash over • Short burst of water applied to ceiling • Absorbs heat by converting to steam • Uses straight, solid, or narrow fog stream • Can cause serious injuries if too much water is used

21 Combination Attack • Employs both indirect and direct method • Uses indirect to cool atmosphere, then direct to extinguish • Only use enough water to control the fire.

21 Large Handlines • Used for both offensive and defensive attacks • Large flows can extinguish larger interior fires and have greater reach. • More difficult to maneuver • Use at least 3 fire fighters inside a building. • When outside • May use one-fire fighter method to operate • May use two-fire fighter method to operate

21 Master Stream Devices • Produce high-volume water streams for large fires • Include • Portable monitors • Deck guns • Ladder pipes • Other elevated stream devices • May be manually operated or by remote • Should NEVER be directed into a building where fire fighters are inside

21 Deck Gun • Permanently mounted on a vehicle with a piping system for the water • Sometimes called turret pipes or wagon pipes • The driver/operator can usually open a valve to start the flow. • Sometimes may require a hose to be hooked up to operate

21 Portable Monitor • Can be positioned wherever needed • May be placed on the ground • Hose lines are connected to supply water. • May be equipped with a strap or chain to help secure • Safety lock is provided to limit use beyond 35°.

21 Elevated Master Streams • Can be mounted on aerial ladders, aerial platforms, or hydraulic booms • Ladder pipe is mounted on an aerial ladder. • May require a hose to be attached to provide water • Many have fixed piping for water

21 Protecting Exposures • Taking actions to prevent the spread of fire to areas not already on fire • Consideration at all fires, but most important at large fires • At small fires, the best way may be to extinguish the fire • IC considers capabilities required. • Often, the best method is to apply water directly to exposed building exterior.

21 Ventilation • Before interior attack, structure must be ventilated. • Requires coordination • Allows hot smoke and gases out and improves visibility • Improperly done, may make it more difficult for fire fighters

21 Concealed Space Fires • Fires may burn in void spaces. • Must be found and extinguished to prevent from spreading

21 Basement Fires • Present many challenges to fire fighters • Limited routes of egress • Difficult to ventilate • Fire fighters should identify safe entry/exit points. • Consider possibility of a basement fire when entering a structure.

21 Above Ground Level Fires • Must protect vertical paths • Always look for secondary exit route. • Be aware of risk of structural instability and collapse. • Standpipes may be available. • Stage equipment 1-2 floors below the fire.

21 Fires in Large Buildings • Fire fighters may become lost or disoriented. • Tag lines can be used to help prevent fire fighters from becoming lost or from running out of air. • A preincident plan can be essential. • Prior knowledge of occupancy and hazards is helpful.

21 Fires in Buildings during Construction, Renovation, or Demolition • These buildings are at greater risk. • Often have large quantities of exposed combustibles • Often have unlimited oxygen supply • Fire systems may not be operational • Subject to accidental and intentional fires • If no life hazard, use defensive operations.

21 Fires in Lumberyards • Prime candidate for defensive operations • Contains large quantities of combustibles • Plenty of air is available. • Exposure protection is primary objective. • Collapse zones should be established.

21 Fires in Stacked or Piled Materials • Materials may collapse without warning. • Caused by fire or soaking up water • Approach very cautiously. • Use equipment to move material. • Class A foam often used to extinguish smoldering fires • Overhaul requires the materials to be separated.

21 Trash Container and Rubbish Fires • Usually occur outside of a structure • Wear full personal protective equipment and SCBA. • Will require overhauling • Class A foam can be useful. • Can use deck gun to extinguish fire then fill the container with water

21 Confined Spaces • Fires in underground vaults and transformer vaults too dangerous to enter • Contact the utility company. • OSHA requires special training and permits. • Spaces may be oxygen deficient or high in combustible gases. • Strict accountability is essential.

21 Vehicle Fires • Common in most communities • Important to wear SCBA • Use 1 1/2" or 1 3/4" hose line • Vehicles have shock absorbers, bumpers, and trunk/hatchback components that are gas-filled and may burst. • Consider other hazards.

21 Fires under the Hood (1 of 3) • Approach from uphill and upwind at a 45° angle. • Direct water into wheel wells and through the front grill. • Wheels should be chocked.

21 Fires under the Hood (2 of 3) • Pull hood release latch. • If successful trip secondary latch • If not, use a Halligan to pry up a corner on the hood. • Or, break the grill, cut the release cable and pull with pliers • Open the hood and extinguish fire. • Care should be used to prevent splashing battery acid.

21 Fires under the Hood (3 of 3) • Consider leaking fluids that may be flammable. • Overhaul same as a structure fire • Use water liberally if significant damage has already occurred.

21 Fires in the Passenger Area • Approach from upwind at 90° angle. • Use straight stream from 50' and approach with slow, sweeping motion. • Change to a fog when closer • Foam can be used for any burning flammable liquids. • Begin overhaul after steam clears. • Do not place yourself in path of airbags.

21 Fire in the Trunk • Use a Halligan tool to force the lock for entry. • Charged line must be ready. • Approach with caution; may have a variety of hazards inside.

21 Alternative Fuel Vehicles (1 of 3) • Be alert for these vehicles. • Use unmanned master streams. • Compressed Natural Gas (CNG). • Cylinders similar to SCBA cylinders • Usually in the trunk • Nontoxic and lighter-than-air

21 Alternative Fuel Vehicles (2 of 3) • Liquefied Propane Gas (LPG) • Cylinders similar to those in heating/cooking • Heavier than air, vapors will pool or collect in low areas.

21 Alternative Fuel Vehicles (3 of 3) • Hybrid vehicles • Small gasoline motors and large battery banks • Batteries are very hazardous and may explode when burning. • Runoff is hazardous • High voltage lines can cause serious injury or death if cut.

21 Flammable Liquids Fires • Found in almost any type of occupancy • Most vehicles involve flammable or combustible liquids. • Special tactics are required. • Special extinguishing agents are needed.

21 Two-Dimensional Fires • Refers to a spill, pool, or container of liquid where only the top surface is burning • Controlled with appropriate Class B foam • Watch for hot surfaces or open flames which may re-ignite.

21 Three-Dimensional Fires • Refers to a situation where burning liquid is dripping, spraying, or flowing over the edge of a container • More difficult to extinguish with foam • Dry chemical or gaseous extinguishing agent is usually more effective. • Do not stand in pools or contaminated runoff.

21 Propane Gas • Used for heating, cooking, and vehicle fuel • At temperatures above -44°F exists as a gas • When stored under pressure, changed to a liquid • Expansion ratio of 270:1

21 Propane Containers (1 of 2) • Space with propane gas above the liquid level • Piping draws from the vapor space. • Containers vary in size. • Made of aluminum or steel • Discharge valve controls the flow of gas.

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