The answers given in these papers are in bullet
form, you MUST pay attention to the key ACTION VERBS in order to give full
answers. I take no responsibility for
answers given in exams in the style portrayed in the PRACTICE questions and
answers written by myself.
Question
1
(i)
Identify FOUR indications
that could have highlighted the LEV systems’ inefficiency.
·
Deposits
of dust on surfaces and people
·
Visible
particles in the air
·
Discomfort
and irritation by employees
·
Air
monitoring reviews
·
Actual
ill-health in employees due to exposure to dusts
(ii)
Outline the factors which
could have reduced the LEV systems effectiveness.
·
Poor
design
·
Lack of
planned testing
·
Lack of
maintenance
·
Extraction
hood too far from dust source
·
Damaged or
blocked ducting or filters
·
System
alterations – unauthorized
·
Settings
incorrect
·
Faulty fan
·
Process
changes that could lead to greater dust emissions.
(iii)
Describe other methods of
control to minimise levels of airborne dust except from LEV.
·
Hierarchy
of control
·
Eliminating
the process causing the dust
·
A change
in process to reduce dust amounts
·
Substitution
of materials i.e. capsule form, pellets or liquid
·
Segregation
or enclosure of the dust creation process
·
Damping
down the dust for easier removal such as vacuuming
·
Methods of
cleaning so as not to disturb the dust i.e. vacuuming instead of sweeping
Question
2
Outline
necessary precautions to be taken when pedestrians
are required to work close to vehicle movement areas.
- Segregation systems for vehicles and pedestrians
- Clear and appropriate road markings
- Visibility – mirrors, transparent doors, adequate lighting etc.
- Vehicular audible warnings
- Site rules
- High-visibility clothing
- Good housekeeping
- Training and supervision of all involved on site
Question
3
Factory
cleaning staff use a rotary floor polisher each night.
(i)
Identify the associated
hazards
·
Entanglement
·
Slips,
trips and falls
·
Noise
·
Vibration
·
Electrical
hazards
·
Ergonomic
hazards
·
Possible
chemical involvement of cleaning agents
(ii)
Outline what control
measures could be used to reduce the risks
·
Guarding
·
Cable
management
·
Isolation
for the task of changing brushes
·
Appropriate
non-slip footwear
·
Regular
testing and maintenance
·
Residual
current devices – RCD’s
·
Training
to ensure pre-use checks
Question
4
Outline
precautions needed when maintenance work is being
carried out in an underground storage vessel.
- Permit-to-work
- Risk assessment
- Isolation
- Pre-cleaning
- Purging and testing the vessel’s atmosphere
- Safe means of access and egress
- Appropriate tools i.e. non-spark
- P.P.E
- Appropriate lighting
- Continual monitoring
- Competent and trained personnel
- Good communication systems between tank and above-ground
workers
- Maintenance of detailed emergency procedures
Question
5
Outline
the principal requirements to ensure excavation
work is carried out safely.
- Examine the support structures weekly by competent person
- Record examination
- Inspect working part daily or per shift if deeper than 2m
- Inspect support material before use
- Support work done under supervision of competent person
- No person to work in excavation unless competently examined
- No projecting nails on support structure
- No materials left near edges of excavation
Question
6
With respect to work-related upper limb
disorders (WRULD’s).
(i)
Identify typical symptoms.
·
Back, neck
and shoulder pain
·
Swollen
joints
·
Reduced
mobility and stiffness
·
Cramps and
muscle fatigue/tiredness
Question
6 cntd
(ii)
Outline the factors that
would increase the development of WRULD’s
·
Display
screen equipment issues – DSE
·
Layout of
workstation
·
Insufficient
breaks from the task
·
Inadequate
space leading to poor postures
·
Excessive
force needed to carry out tasks
·
Frequency
of the task
·
Vibrating
tools/equipment
·
Pre-existing
medical conditions
·
Pregnant
women
Question
7
Outline
what is required for a safe means of escape when
evacuating a building in the event of fire.
- At least two escape routes in opposite directions, none to exceed the recognised travel distance
- Escape route fire integrity
- Self closing fire doors that open outwards easily
- Escape routes clearly marked
- Emergency lighting for routes
- Routes kept free from obstruction
- Safe, clearly signed assembly point
Question
8
(i)
What
are the principal hazards associated with the use of ladders at work?
·
Poor
maintenance
·
Incorrect
use
·
Incorrect
locations
(ii)
Explain
how these hazards may be eliminated or reduced.
·
Inspection
and repair
·
Correct
storage
·
75 degrees
slope (1 in 4)
·
Secured
top and base
·
Not to use
aluminium ladders near
overhead cables
Question
9
Outline the precautions to
protect against electrocution when:
(i)
Excavating
near underground cables
·
Supply
isolation
·
Cable
routes identification via plans and cable detectors
·
Checking
for service box covers
·
Marking of
cable routes
·
Digging
with hand-tools
(ii)
Working
near overhead power lines
·
Isolation
·
Goal-post
barriers defining clearance distances
·
Use of
signs and bunting to clearly mark danger zones
·
Safe
access routes under lines
·
Use of
marshals and banksmen when cranes, excavators or tipper lorries may approach
·
Restriction
on use of metal ladders and scaffold tubes
Question
10
List EIGHT routine inspection items included on a
checklist at the beginning of a shift, before using a fork-lift truck.
- Tyre pressure and condition
- Lights functioning (where
fitted)
- Secure and properly adjusted
seats
- Undamaged mirrors with good
vision
- Leakages from various fluids –
diesel, battery acid, oil, brake fluid etc.
- Battery connections
- Chains in good order
- Horn operates
- Reversing audible signals where
fitted
- Forks in good order
- Break checks, including hand
break
- Forks do not drop when raised –
hydraulic fluid levels ok
- No play in steering wheel
Question
11
Outline
EIGHT precautions that should be considered to
prevent injuries to children who may be tempted to access a construction site.
- Fencing
- Warning signs of any dangers
- Security patrols
- CCTV
- Isolating services
- Reducing heights of materials
- Covering excavations
- Removing ladders – lashing the ladders – to deny access to
scaffolding
- Securing tools, chemicals, equipment and vehicles under lock
and key
- Community liaisons