Latest EBOLC Demolition Updated Exam

M11 (Cap Type/ Length) - ANSWER- High Strength/ 30 ft M12 (Cap Type/Length) - ANSWER- Low Strength/ 500ft M13 (Cap Type/Length) - ANSWER- Low Strength/ 1000ft M14 (Cap Type/Length) - ANSWER- High Strength/7.5ft M18 (Cap Type/Length) - ANSWER- High Strength/ 30ft M19 (Cap Type/Length) - ANSWER- High Strength/ 200ft M21 (Cap Type/Length) - ANSWER- High Strength/ 500ft M23 (Cap Type/Length) - ANSWER- High Strength/ 1000ft M151 (Cap Type/Length) - ANSWER- Booster/10ft M152 (Cap Type Length) - ANSWER- Booster/30ft M456 (Cord Type) - ANSWER- Standard Det Cord M81 - ANSWER- Fuse Igniter M112 (Alternate Name) - ANSWER- C4 C4 (RE Factor) - ANSWER- 1.34 C4 (Unit Pound) - ANSWER- 1.25 TNT (RE Factor) - ANSWER- 1 TNT (3 types of Unit Pounds) - ANSWER- 0.25, 0.5, 1 M1 (Alternate Name) - ANSWER- dynamite M1 dynamite (Unit Pound) - ANSWER- 0.5 M1 dynamite (RE Factor) - ANSWER- 0.92 How many blocks does it take to prime H6 cratering charge? - ANSWER- 2 blocks of C4 (one on each side) TNT (use) - ANSWER- Primary: Pushing Alternate: Cutting C4 (use) - ANSWER- Primary: Cutting & Breaching MDI (Acronym Definition) - ANSWER- Modernized Demolition Initiations Time Fuse - ANSWER- M14 Transmission Line - ANSWER- M12/M13 Branch Line - ANSWER- M456, M151, M152, M11 MDI Blasting Caps High-Strength (Color) - ANSWER- Black MDI Blasting Caps Strength (Color) - ANSWER- Green or Gold Blasting Cap Rules - ANSWER- 1-2 Loop with bight 3-5 tie with single over hand Never Mix components Blasting Caps Can Only detonate... - ANSWER- 1 piece of M456 standard Det cord 5 pieces of shock tube 5 pieces of Mini det cord (M151/M152) M11 (Identifier) - ANSWER- red flag 1 meter from blasting cap and yellow flag 2 meters from blasting cap J-hook only hooks to... - ANSWER- M456 Standard Det Cord M12 (Identifier) - ANSWER- smooth spool What's a booster? - ANSWER- High strength blasting cap with an internal charge How do you tie in a branch line to a ring main or line main? - ANSWER- girth hitch with a extra turn How do you connect M151/M152 to a ring main or line main? - ANSWER- J-hook with an extra loop How long is the tail on det cord after it's tied off? - ANSWER- 6" inches Knot type to prime C4 in cold temperatures - ANSWER- Uli Knot Knot type to prime C4 in warm or cold temperatures - ANSWER- double over hand knot 6 Steps for calculating total amount of explosives - ANSWER- 1)Identify & measure the critical dimensions 2)Calculate using explosive formula or Use Rule of Thumb (ROT) *If you have ROT in step 2, ignore step 3 3)Divide by the RE Factor 4)Divide by package weight/volume (round up) 5) Calculate for number of charges 6)Calculate for total amount of explosives External Timber Cutting Charge Formula - ANSWER- P= (D^2)/40 P=Pounds of explosive per target D=Diameter Four Formula types for Charges *Just for exam - ANSWER- 1)External Timber Cutting Charge 2)Stump Removal 3)Block Charge 4)Ribbon Charge (We will be tested on this more than likely) Block Charge - ANSWER- P=(0.375)*A P=Pounds of explosive A=area of cross section in square 0.375=constant Stump Removal Rules of Thumb - ANSWER- 1)Dead Stump: 1 pound per foot of diameter 2)Live Stump: 2 pounds per foot of diameter 3) Standing Tree: 3 pounds per foot of diameter *Convert Circumference to diameter Note: Measurements are taken 12 to 18 inches above the ground Special Steel Cutting Charges Rule of Thumb - ANSWER- 1) Charge Thickness= 0.5 Target Thickness but never less than 0.5 inch 2) Charge width= 3 times the charge thickness 3)Charge length= length of target thickness to be cut *Divide by 20cu volume for C4 instead of 1.25 package weight Formula Based Flowchart - ANSWER- Data Formula RE factor Package Weight No. Targets Targets x Package = TOTAL Rule of Thumb Flowchart - ANSWER- Data