Fire Sprinkler & Signal Systems PDF

23/11/2024 Fire Protection System: Fire Protection Objectives: Maintain conditions conducive to: - Life Safety...

23/11/2024 Fire Protection System: Fire Protection Objectives: Maintain conditions conducive to: - Life Safety - Property Protection - Minimized Business Interruption Fire Protection System 1 2 Fire Protection System: Fire Protection System: Types of Fire Protection Systems: Elements of Fire Protection: - Early Detection & Alarm System Detection systems - Means of Egress Fireproofing for buildings - Compartmentation Fire walls, fire barriers, fire doors, and other - Smoke Control fire resistant construction - Emergency Power Smoke control systems - Fire Suppression System Sprinkler systems Standpipe system Special extinguishing systems, including those using wet or dry chemicals, foam, or "clean" agents 3 5 STANDPIPES & FIRE HOSES: STANDPIPES & FIRE HOSES: AUTOMATIC WET SYSTEM - has water supply within the piping system that is ready on demand. It is considered the most effective and most reliable system 6 7 1  23/11/2024 STANDPIPES & FIRE HOSES: STANDPIPES & FIRE HOSES: AUTOMATIC DRY SYSTEM MANUAL WET SYSTEM - normally filled with - does not have water in pressured air and is the pipes themselves, allowed where but is connected to a freezing may occur. water supply that The use of a hose must be pumped into valve is required to the pipes by the fire admit water into the department. system 8 9 STANDPIPES & FIRE HOSES: STANDPIPES & FIRE HOSES: MANUAL DRY SYSTEM SEMIAUTOMATIC DRY SYSTEM - does not have water within the pipes or in - similar to an an attached supply. automatic dry system, The water must be but a remote control pumped in from a located at the hose source from the fire connection is required department. It is to activate the valve commonly used in to admit water into parking garages the system 10 11 Fire Protection System: Fire Protection System: Allowable Sprinkler Pipework: Wet-pipe System: Domestic pipework - solvent cement bonded, post-chlorinated polyvinyl chloride (CPVC) Industrial and commercial pipework - threaded galvanised mild steel 13 14 2  23/11/2024 Fire Protection System: Fire Protection System: Wet-pipe System: Wet-pipe System: 15 16 Fire Protection System: Fire Protection System: Wet-pipe System: Dry-pipe or Wet-and-Dry System: 17 18 Fire Protection System: Fire Protection System: Two-end Side with Centre Feed Pipe: Two-end Centre with Central Feed Pipe: 19 20 3  23/11/2024 Fire Protection System: Fire Protection System: Three-end Side with End Feed Pipe: Two-end Centre with End Feed Pipe: 21 22 SPRINKLER SYSTEM: Fire Protection System: Range Pipe Sprinkler Head Distribution Pipe 23 24 SPRINKLER SYSTEM: SPRINKLER SYSTEM: 1” Ø 1” Ø Range Pipe 1” Ø Range Pipe 1” Ø 1 1 ¼” Ø 1 2 2 3 Sprinkler Head Sprinkler Head Distribution Distribution Pipe Pipe 25 26 4  23/11/2024 SPRINKLER SYSTEM: SPRINKLER SYSTEM: 1” Ø 1” Ø Range Pipe 1” Ø 1” Ø 1 ¼” Ø 1 1 ¼” Ø 1 2 1 ½” Ø 2 3 1 ½” Ø 3 4 2” Ø Reducer 5 6 Sprinkler Head Distribution Distribution Pipe Pipe 27 28 SPRINKLER SYSTEM: Fire Protection System: 12.00 m² - area covered by one head (maximum) Sprinkler Head Spacing: SOLUTION: 7.00 meters 12.00 m² - area covered by one head (max) AREA = 4.00m X 7.00m = 28.00 sqm 4.00 m - distance between heads (max) 4.00 meters # of Pieces = AREA 2.00 m - distance from wall to ceiling 12.00sqm mounted head (max) = 28.00 sqm 12.00 sqm 2.00 m - distance between heads in the same room (min) = 2.33 pieces used 3 pcs 29 30 Fire Protection System: Fire Protection System: Quartzoid Bulb Quartzoid bulb - a glass tube is used to retain a Fusible Strut water valve on its seating Duraspeed Solder Types Orange - 57ºC Red - 68ºC Yellow - 79ºC Green - 93ºC Blue - 141ºC Mauve - 182ºC Black - 204 or 260ºC 32 33 5  23/11/2024 Fire Protection System: Fire Protection System: Duraspeed solder type - contains a heat Fusible strut - has two metal struts soldered collector which has a together to retain a water valve in soldered cap attached place 34 35 SPRINKLER SYSTEM: Fire Protection System: 36 37 SPRINKLER SYSTEM: SPRINKLER SYSTEM: 38 39 6  23/11/2024 Signal System 40 41 Signal System: Signal System: Types: Provided to send and receive electronically coded information Fire Alarms Telephone Systems Security Systems Central Monitoring & Control Systems 42 43 Signal System: Signal System: Consists of: Symbols for Signal Systems - A signal source - A means of conveying the signal - Indicating equipment at the destination 44 45 7  23/11/2024 Signal System: Signal System: Signal requires a “sensor” Alarm Initiating Device - for Fire and Smoke detection The Means of Conveying a Signal requires: - could be automatic or manually operated - low-voltage wiring - Automatic Operation includes: - air waves Fire Detector Smoke Detector - Manual Operation include: The Signal Indicators must provide either: Pull Station - Audio Indicators are: - audible sounds Bell - visual info Horns - printed data 46 47 Signal System: Signal System: Telephone Systems Telephone Systems 48 49 Signal System: Signal System: Telephone Systems Local Area Network (LAN) Systems 50 51 8  23/11/2024 Signal System: Signal System: Local Area Network (LAN) Systems Wireless Area Network (WAN) Systems 52 53 Signal System: Signal System: Security Systems Central Monitoring & Control Systems - to extend the surveillance activities of a - controls and operates all service systems limited security force in order to remove in a building specifically those that or reduce the incidence of crime utilizes energy - Detecting devices are: HVAC CCTV Lighting Motion Detectors Shading Devises Intrusion Detectors Electrical Loadings Scream Alarms 54 55 9