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Army School of Ordnance Version 1.1 Dated 20 SEP 2017
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Army School of Ordnance
Version 1.1 Dated 20 SEP 2017 -
Disposal of Explosive Ordnance by Electrical Initiation
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The time allocated for the construction of the firing circuit is 45 minutes on Dems West Range. The assessment will begin once the Directing Staff completes their initial task brief. The OIC practice will dictate all timings from this point until completion of task.
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Course Type:
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Session Number (4 Digits Only)
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Assessment Type:
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Each trainee is required to construct a Detcord firing system with 20m of detonating cord, black electrical tape and clip demolition provided. The firing systems must include the following: Single point of Initiation, Lap joint, Y junction, Cordex Connector (Red Devil), Junction clip, Reef knot, Girth hitch, Junction box with four detonating leads and one TR1 primer and Clove hitch. This system will be initiated by an electrical detonator using the correct electrical procedures for the disposal of the circuit and must be designed in such a way that it functions a charge of plastic explosives.
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Assessor Number:
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Trainee Number:
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Conducted on
Assessment
Preparation Phase
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Did the Trainee Ensure bared ends of cable are shunted together
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Did the Trainee Run out cable & conduct continuity check
Conduct Phase
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Did the Trainee Brief all involved , about task & expected out comes?
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Did the Trainee Designate safe area
Select & prepare detcord firing system
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Did the Trainee have a Point of initiation?
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Did the Trainee have a Lap joint?
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Did the Trainee have a Y junction?
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Did the Trainee utilise a Clip demolition?
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Did the Trainee utilise a Junction clip?
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Did the Trainee utilise a Reef Knot?
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Did the Trainee utilise a Girth hitch?
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Did the Trainee utilise a Junction box with four detonating leads / primer?
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Did the Trainee utilise a Clove hitch?
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Did the Trainee Handle the Detcord correctly?
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Did the Trainee ensure there were no kinks or sharp bends?
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Did the Trainee ensure there was 100mm intimate contact / tape joints?
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Did the Trainee ensure there was a 300mm overhang?
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Did the Trainee ensure the PE was positioned correctly?
Detonator
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Did the trainee safely handle the detonator at all times (earthing drills done)?
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Did the trainee wear the correct PPE when handling the detonator at all times?
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Did the trainee correctly and safely inspect the detonator?
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Did the trainee use the correct procedure for testing Det<br>(Det under sandbag)<br>?
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Did the trainee correctly conduct Continuity check?
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Did the trainee ensure bared ends of Det are shunted together?
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Did the trainee correctly and safely handles detonator?
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Did the trainee places the detonator in a safe area?
Immediately Before Arming Charge
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Did the trainee brief and retire the work party ensuring the following was carried out?
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Location and security of stores?
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Communications
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Actions on unplanned detonation<br> Wait Time
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Actions on non return of operator
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Brief 2IC<br> - Head count of pers in area<br> - Everyone in safe area<br> - Report all pers accounted for on return of operator
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Did the trainee Confirm everyone was undercover? <br>(* First Safety Check)
Arming the Charge
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Did the trainee visually check area?
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Did the trainee Connect the Det to firing cable correctly (Earthing drills, insulation of bare wires)?
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Did the trainee Secure the Det to the Charge?
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Did the trainee Retire to firing point?
Firing the Charge
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Did the trainee Account for all personnel on return to Safe Area?<br>(*Second Safety Check)
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Did the trainee visually conduct the safety checks? <br>Yell “undercover” <br>(*Third Safety Check)
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Did the trainee Connect the shrike and request permission to test continuity?
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Did the trainee request permission to fire?
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Did the trainee shout “firing” when firing the charge? (Once Fired - Disconnect shrike and shunt wires)
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Did the trainee conduct the correct Misfire Procedure? (if applicable)
Post Blast and Site Clearance
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Did the trainee observe the “30” seconds last frag" wait time?
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Did the trainee ensure all personnel are briefed to stay undercover prior to leaving safe area?
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Did the trainee observe all safety precautions on approaching disposal site?
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Did the trainee correctly inspect the disposal site?
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Did the trainee give the all clear correctly?
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Did the trainee Check firing cable for damage ?
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Did the trainee remove Det wires and shunts bared ends of firing cable?
Misfire Procedure
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Did the trainee correctly conduct the misfire drill ? (QA)
Control of Work Party
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Did the trainee effectively control the work party throughout the task?
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Did the trainee maintain control of shrike throughout task?
ASSESSMENT RESULTS and DECLARATION of EXPLOSIVES USED
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COMMENTS OF ASSESSOR: (To Provide Feedback To Trainees IAW Principles Of Assessment)
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ASSESSMENT RESULTS
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I intend to appeal this decision
Explosive Stores Used
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DET DEM Elec F2 (ea)
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Detcord (in meters)
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Primer 38 gm (ea)
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CHG DML 600 gm COMP B (ea)
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1/4 CART DML PE4 230 gm (ea)
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CART DML PE4 230 gm (ea)
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By signing the "ASSESSMENT RESULTS and DECLARATION of EXPLOSIVES USED" section, the Assessor and Trainee certify that all explosives detailed was used and consumed.
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Assessor Number:
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Trainee Number:
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Select date
