Improvised explosive devices (ied) Definition
Date 10.10.2017 Size 20.56 Kb. #33975
IMPROVISED EXPLOSIVE DEVICES (IED) Definition An IED is a device , assembled by an organization or an individual in contravention to the existing rules of Law of Nation adopting unconventional or semi-conventional methods of assembling a standard device, ammunition/explosives or commercial, with a criminal/anti-national intention. The design of an IED will depend on the lethality of a bomb The effects of an The effects of an IED explosion are not standard and predictable The effects will vary in each case, depending on : Components Quality of explosive Casing Quantity of splinters Components of an IED Explosives Detonator Power Source (Battery) Initiation Mechanism (Switch) Components of an IED… Briefcase Bomb with Mechanism Initiation Mechanism The switch is a mechanism incorporated to ensure initiation of an IED in a predetermined pattern so as to ensure success in destroying the target in a well deliberated manner. Chain of Detonation Detonation Wave Carrier (Cordtex) Explosive and its Accessories A. Flame Producer : Match fuse, Match box, Igniter safety fuse striker B. Flame Carrier : Safety fuse C. Detonator : Explosive and its Accessories… D. Detonation Wave Carrier(Primacord) Length : 150 m Explosive : PETN Deto. Vel. : 6000 to 8000 m/s E. Booster : To boost up the detonation waves CE Powder : Brown GC Powder : White Initiation Mechanism The switches can either be classified as Electrical, Mechanical & Miscellaneous. Types of Initiation Mechanism Anti-handling Delay Ambient Command Types of Initiation Mechanism… Anti-handling Pressure Pressure release Pull Pull/release Tilt Anti-penetration Lift Pendulum Tension Delay Mechanical Timer Clock/Watch Quartz Watch Electronic Timer Pyrotechnics Thermal Electro Chemical Chemical Expanding seeds Types of Initiation Mechanism… Ambient Temperature Smoke/Gas Sound IR Rays Proximity Humidity X Rays Light Command Car remote Cordless Bell FM Radio Command Wire Aero Modeling Questioning Technique What time the bomb will explode ? Where is the bomb located ? What type of bomb is ? How will we get rid of the bomb ? What is your good name ? Why have you kept the bomb ? Where are you speaking from ? Search Rules & Technique of an IED Search Rules Search Technique What to look for ? (Tell Tale Sign) Points to remember Action on locating IED Search Rules Don’t touch or handle suspicious object Don’t assume only one device is planted Use maximum two persons per room or for all area up to 250 Sq. ft. Use Searches in alternate room Search Rules & Technique… Search Rules Give rest after every 10 min. Never use searches more than necessary Clearly mark the area searched Trust nothing and assume nothing safe Search Rules & Technique… Search Techniques Obtain maximum information about the device Listen before entering a room Be careful about booby trap , at the door itself and also throughout the search Make a visual survey of the entire area of the room Search Rules & Technique… Search Techniques Divide the area while carrying out Search : Waist level Eye level Ceiling level Above Ceiling level Search Rules & Technique Search Techniques Search back to back by two persons, meet in center and go back again Rest after each Search Mark the Searched area Report about the area and suspected object Ask for help from expert Search Rules & Technique What to look for ? (Tell Tale Sign) Recently disturbed area Saw dust, Brick dust, Wood chips Greasy Paper Wrappings Out of place object Disturbed Carpenter Tin foils Search Rules & Technique What to look for ? (Tell Tale Sign) Partly open window/door/drawers Fresh plaster/Cement Loose Electric Fittings Fish-line, dirty ropes, electric wire Cut vegetation Search Rules & Technique What to look for ? (Tell Tale Sign) Military container of explosive Dirty foot prints Scratched or new paint New brick work/plaster Search Rules & Technique Points to Remember Don’t touch or remove the packet Don’t open with hands or puncture Don’t submerge in water Don’t accept identification mark on the face value Don’t bring suspect bomb to police station Search Rules & Technique Points to Remember Don’t open unless duty bound Evacuate the people to a safe area Don’t use radio Open all doors and windows Don’t be a Dead Hero Scooter Bomb found at Bombay in March,1993 Search Rules & Technique Action on locating an IED Buttress Baffling Venting Bomb Incident Planning Cycle Bomb Threat/Incident Notification Render Safe Procedure (RSP) Tool Kit Render Safe Procedure (RSP) Tool Kit Counter IED Operation We can use mnemonic “UNITED NATIONS” U -Useful information prior to responding N-Notify appropriate people I-Initial Response to scene T-Transport the physical evidence O-Orientate Pertinent Facts N-Notify Appropriate People Technician Neutralizing an IED Bomb Detection Technique Confirming presence of Explosive by Sniffer Dog Removing a suspected Car Bomb with Robot Bomb Detection Technique Bomb Detection Technique The door of a suspected Car being opened by Car Remote Opening Tool Kit (CROT) Cordtex Opening Technique Neutralizing an IED with Water Cannon Cutting the wire by Remote Wire Cutter Explosive Opening Techniques-Shot Gun Method Disrupting the Power Source by Disrupter Making a hole in a suspected package with thermal cutter Safety Precautions Do’s for Common Men Inform the police on seeing any suspicious object Move away from the suspicious object in a quiet manner Follow instructions of guide in case of threat Carry your own personal belongings during evacuation Help ladies, old and children Safety Precautions Do’s for Common Men When a vehicle is parked, close all windows and lock the doors Inspect vehicles for any suspicious object before moving out of garage Switch off all electrical mains, gas lines etc. Safety Precautions Don’ts for Common Men Touch or handle any suspicious object Pick up attractive items lying at odd places Open or cut any suspicious object Panic but remain cool Obstruct the passage of security/bomb squad Safety Precautions Don’ts for Common Men Spread rumors Assume only one device is planted Submerge in water Bring suspected bomb to police station Leave vehicle unattended Started by Black September Group (Palestine) Components of Letter Bomb Sheet Explosives Detonator Switch Mechanism Power Source (9V Polaroid Cell) Recognition Sign We can use mnemonic “EXPLOSIVE PARCEL” E-Excessive Securing Material L-Lop Sided/Unevenly weighted S-Stiff or rigid envelope Recognition Sign We can use mnemonic “EXPLOSIVE PARCEL” P-Proper Name & Title incorrect A-Address hand written or poorly typed L-Lacks address of sender Safety Precautions Evacuate all persons Stop entry into the room Don’t open letter by hand Don’t smoke near bomb Don’t cut any protruding wire Don’t jerk the letter Put letter through Mail Bomb Detector Bomb Threat Contingency Plan for an Industry Important Features Designate a bomb threat co-ordinator Bomb threat co-ordination control room Bomb threat assessment committee Evacuation of area Search team Evacuation signal Bomb Threat Contingency Plan for an Industry Important Features Liaison arrangements Responsibilities of various agencies Telephone numbers Completion Certificate Remember that every Ex-Serviceman need not be an IED expert ANY QUESTIONS Share with your friends:
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