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QLD Deputy Law Exam Regs Underground
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QLD Deputy Law Exam Regs Underground
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QLD Deputy Law Exam Regs Underground100. What is the required number of persons who are certified by an accredited
corporation as competent in using selfcontained breathing apparatus and emergency
rescue procedures that must be available to assist in mines rescue? s172R - ANS-· 5 or
5% of the mine's coal mine workers (Whichever is larger)
101. Who can be counted in the required number of persons who are competent in
using self-contained breathing apparatus
and emergency rescue procedures that must be available when people are
underground at the mine? s173R - ANS-· Coal mine workers at the mine
· Other persons whose availability to assist in mines rescue at the mine is secured in
writing by the inspector
102. What places must the SHMS provide telephonic communication to be installed?
s176
district - ANS-WT SCRIBED
· W- Underground workshops
· T- Each underground loading or transfer point on the conveyor system
· S- At switchgear part of the underground main electricity distribution system
· C- Underground crib rooms
· R- Each emergency refuge chamber
· I- A place in each inspection district not mentioned above
· B- Underground battery charging stations
· E- Each entrance underground
· D- A conveyor belt drive head
103. What signs must be displayed at each place containing fixed electrical equipment?
s178 - ANS-· Directions for resuscitating persons suffering electric shock
· Directions in case of fire
· Sign prohibiting person handling, operating or interfering with elec equipment
- unless action to cut off the electricity supply in an emergency being taken.
- Unless authorised
· Barricaded for restricted access
104. Where must directions for resuscitating persons suffering from electric shock be
displayed at an underground mine?
s178R - ANS-· Each place containing fixed electrical equipment
,105. Where must notice boards for displaying safety and health notices and plans be
located? s178R - ANS-· At the surface of the mine where coal mine workers assemble
before going underground
· In each underground crib room
106. List 2 mandatory features of the mines telephonic communication system? s176 -
ANS-· Must have a fail-safe back up power supply
· Must be suitable for use in a ERZO`
107. When may live testing on electrical equipment be conducted in an ERZ0? s186 -
ANS-· Never
108. Under what conditions can live testing be conducted in an ERZ1? s186 - ANS-·
Live testing to be limited to extra low and low voltage
· Notice of live testing to be given to an inspector within 7 days after it is carried out
109. What controls must be in place when a battery powered vehicle that is not
explosion protected is used underground?
s197 - ANS-· Only used in a NERZ
· Vehicles access into an ERZ0 or ERZ1 is prevented by a fail system or includes
multiple redundancies
110. What explosives may be used underground? s204 - ANS-· Explosives authorised
by the chief inspector for the Explosives Act as suitable for use
111. List 5 requirements for a container in which explosives are transported or stored
underground? s205 - ANS-OFSSTILL
· O- Used ONLY for transporting and storing explosive
· F- Designed and constructed to prevent; FRICTION sparks
· S- Designed and constructed to prevent; Build-up of STATIC electricity
· S- Designed and constructed to prevent; Explosives SPILLING
· T- Lined with TIMBER or shock absorber (Detonators and Det sensitive)
· I- Designed and constructed to minimise damage from IMPACT
· L- Conspicuously LABELLED with the word 'EXPLOSIVES' in red on a white
background
· L- LOCKED
112. Under what circumstances may a container for transporting or storing explosives
underground contain more than one other type of explosive? s205 - ANS-· When used
, by a person competent in handling explosives and they are prepared primers being
transported during the construction of a shaft or drift from the surface
113. What are the design criteria for storage of explosives underground? s206 6 marks -
ANS-· Must be in a NERZ
· Location must have low risk of explosives suffering impact, being buried or burnt
· Free of rubbish
· Area must be clearly marked with a red flashing light
· Firefighting facilities kept on the intake side
· Detonators stored separately by at least 10m
114. If a shotfiring job has been delayed, after what period must explosives be removed
from underground storage? s206 - ANS-· 48 hours
115. What are the limits on the amount of explosives that may be stored underground if
a job will be delayed for 48 hours?
s206R - ANS-· If it is delayed for more than 48 hours, all unused explosives for the job
are returned immediately and stored in surface magazine
116. What are the limits on the amount of explosives that may be stored underground
while a particular job is in progress?
s206R - ANS-· The underground mine manager must ensure explosives in a quantity
appropriate for a particular job
117. Where may detonators be stored underground while a shotfiring job is in progress,
but when there is no work planned
on the next shift? s206 - ANS-· In an underground explosive storage at least 10m away
from any other explosives container
118. Who must any discrepancies found whilst routinely reconciling explosives? s207 -
ANS-· Immediately report to the underground mine manager, police or an inspector for
the district
119. What facilities must the SSE ensure a vehicle used to transport explosives have?
s208 - ANS-· Securing explosive containers to the vehicle
· Protecting the explosive containers against impact
120. Who may handle, prepare, charge or fire explosives at an underground coal mine?
s209 - ANS-· A person who is authorised by the underground mine manager to be
issued with explosives and either has the recognised competencies of an underground
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