Past Paper - Phase B Flashcards
define a usar unit
10 trained usar personnel, with a pre-defined number of modules, a search dog team, and usar tac ad
what signal is used for the emergency signalling and evacuation process to evacuate the area?
3 short blasts
what is stage 2 of the personnel accountability system?
use of usar tally system
what signal is used for cease operations / all quiet?
1 long blast
what is stage 3 of the personnel accountability system?
confined space tally system
which pieces of search equipment can be used for two-way coms?
delsar
search cam
conspace
what are the 5 ASR levels?
WIDE AREA ASSESSMENT
SECTOR ASSESSMENT
RAPID SEARCH AND RESCUE
FULL SEARCH AND RESCUE
TOTAL COVERAGE SEARCH AND RESCUE
what is the approximate distance btween searchers on a Line and Hail search?
2.5 m
is the searchcam 3000 intrinsically safe?
no
what safety measures should be implemented prior to search commencing?
There are 6
lookouts in place
awareness in form all off pers. briefed
coms plan in place
all personnel aware of warning signals
escape routes identified & maintained
safe zones identified
If a rope system with a 4:1 mechanical advantage has another rope system with a 2:1 MA piggybacked onto it - what is the resulting mech Adv?
8:1
what is the SWL for the tralift chain hoist when being used to lift?
3 ton / 3000kg
what is the max capacity of the largest hydraulic ram on USAR Mod 2 when being used singularly?
100 tonnes
what would you do with a sling with no label?
DESTROY IT!!!
what is the approx. density figure for concrete?
2400
why is wood used as a header / footer in shoring?
it will give a warning of failure
what is the maximum number and length of extensions that can be added to a GREY extendable strut?
2 extensions
maximum of 900mm
what is the maximum number and length of extensions that can be added to a GOLD extendable strut?
1 extension
maximum of 1800mm
what size timber is used for cross bracing on a paratech raker system?
150mm x 50mm
what is the axial crush strength of a gold strut?
10,000kg
10 tonne
which ways can the DD 150 diamond tipped core drill be used
vertically down
horizontally
when carrying out a stich core, what size drill bit is recommended?
20mm
when marking a step cut - how far apart should the lines be on the hatched markings?
150mm
what are the 3 types of coring methods for reinforced concrete?
stitch core
auger coring
diamond tipped coring
what is the main hazard associated with dirty breaching through a hollow core floor?
it could fail suddenly
