GC2 Flashcards

Revise (53 cards)

1
Q

Identify the possible effects on health from working in a hot environment

A

Dehydration, fatigue, muscle cramps, heat stress, heat stroke, burns

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2
Q

Outline control measures for work in a hot environment

A

Eliminate the need to work in a hot environment - if this is not possible then reduce the heat by providing work place ventilation (LEV, ceiling extractor, natural ventilation)

Insulate the sourced of heat, eg lagging hot pipes, to reduce the additional heat being introduced into the area and the direct source of heat which may cause burns.

Shield heat courses eg control radiant heat and prevent contact burns, cooler material can be used to guard source eg heat proof plates

Provide cool refuges for the workers to be comfortable and recover during breaks.

Provide easy access to plenty of drinking water.

Frequent breaks and job rotation.

Provide appropriate clothing for the work site which will protect against all the other work place hazards but not add to the overheating of the employee.

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3
Q

Outline measures to minimise the risk of violence towards employees (8)

A

Central office:
Zero tolerance and prosecute offenders - posters on the wall

Security doors and screens - keep staff and public separate (eg bank teller being class screen)

Reduce stress and minimise violence potential by managing the public well, having good processes, good communication.

Panic alarms for those at risk and training on how to use them.

Home visit - community nurse
Remove or reduce lone working, particularly with high risk visits.

Supervisor to have plan of visits and times. Check in with supervisors at given times or make pre and post visit calls (use technology)

Training in self defense for those at risk - as last resort in case they need to create an opportunity to get out of tricky situation.

Advise not to carry electronics, valuables etc which may increase chance of robbery in low income areas.

Use technology - apps which track location and can initiate alarms if required.

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4
Q

Identify the hazards which may cause slips and trips at work

A

Slips - wet or oily surfaces.

Slips - Cold temperatures

Trips - Uneven surfaces

Trips - Equipment left lying around

Open excavations

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5
Q

Identify how slips and trips in the work place may be controlled.

A

Spills should be cleaned up immediately and signs posted.

If cold weather is forecast then the walkways and roads should be gritted and salted to prevent freezing.

Safety tours should take place focusing on walkways and looking for uneven surfaces, routine inspections by HSE department could take place.

Safe system of work/ controls when creating open excavations or removing manhole covers. Barriers in place and standby man.

Good safety culture and interventions if equipment is left lying about , creating a hazard.

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6
Q

Outline precautions to be taken when carrying out repair on a sloping roof

A

Safe means of access and egress - either a scaffold or ladder.

Safe work site - either handrails or harness and fall arrestor should be used.

Use a MEWP if possible to remove the need to access the roof

Appropriately trained work force, aware of the hazards and how to control them.

Install collection measures to minimise the impact if there is a fall - safety nets

If a scaffold is used, ensure toe boards and handrails are used to prevent either objects or people from falling overboard.

Erect a covered walkway below the work site to protect the public from dropped objects

Total exclusion zone may be required below the work site depending on the area and amount of risk.

Use pulley system to transport materials to the work site safely

Install a rubbish chute to ensure waste is transported to skips safely and does not create a dropped object hazard

If visual inspection consider using a drone survey to avoid any working at height risk or to assess the area and improve risk assessment.

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7
Q

Mobile tower scaffolds should be used on stable ground.

Identify additional factors which should be considered for the safe use of a mobile tower scaffold.

A

Outriggers

Level ground

site checks

brakes on wheels

guard rails

pre-use checks

barriers or exclusion zones

brick guards or toe boards - dropped objects

cross bars to prevent tilting

traffic management

lanyards

maintenance routine - scaffold inspection

SSOW

training & PPE

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8
Q

Identify the precautions which should be in place during the use of step ladders

A

Work on solid dry ground

Correct footing

regular and pre-use inspection

Choose correct size

3 points of contact or use a harness

don’t overreach

don’t overload

tie off tools to prevent drops

use barriers

Non slip footwear

training in inspection and use

PtW system/ SSOW

eliminate use if possible

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9
Q

Identify the main hazards that may be present during demolition of a building

A

Unscheduled collapse of the structure

Falling or flying material

Working at height

contact with overhead services or wires

contact with underground services or cables

dust

asbestos

Sewage/ biological hazards

lifting operations

explosion

noise

vibration

entrapment

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10
Q

Identify the main hazards which may be present during excavation work on a construction site.

A

Confined space working

underground services

collapse of sides

fall from height into the excavation

falling materials, dropped objects

unsafe or unstable ground

public or traffic nearby

slips trips and falls

spills or contamination coming into the hole.

Heavy machinery collapsing excavation

weakening adjacent foundations

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11
Q

Outline control measures that could be implemented to reduce risks to pedestrians in a warehouse

A

Speed limits/ limiters on forklift trucks

Pedestrian walkways - painted different colours

Raised walkways or hard barriers to create a physical barrier to protect pedestrians

Ensure all forklifts are fitted with visual and audible warning beacons (lights and horn)

Use a banksman for reversing large vehicles

Designated loading and unloading points

Pedestrian no go zones for particular high risk times

High visibility clothing to ensure everyone sees each other

Mirrors at corners to provide warning of what is coming.

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12
Q

Identify physical features of traffic routes within a work place which are required for the safe movement of vehicles and safety of employees

A

Barriers

Bumper bars

raised walkways

raised work platforms

cages on hazardous equipment

speed bumps

road markings

hazard tape during loading or unloading etc

reversing areas

traffic lights

alarms on vehicles

alarms when areas are in use

alarm when accessing restricted area

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13
Q

Outline factors to consider when completing a display screen equipment workstation assessment

A

Adjustable height, angle back support to prevent musculoskeletal or upper limb disorders caused by poor ergonomics

Correct seat adjustments to ensure that the hands sit comfortably on the keyboard. Seat should have 5 star base for ease of rotation and movement

Lost of space under the desk, no clutter or obstructions which will affect seating position.

Workstation should be uncluttered, spacious with ease of access to all equipment without the need to stretch.

Adjustable tilt and height on the screen, no flickering, no glare, clear contrast, good size and clean.

Space in front of the keyboard to rest the wrists, space for document holder if required.

Minimise eye strain by allowing regular breaks from DSE and checking condition of equipment.

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14
Q

Identify specific types of injury which could be caused by manual handling

A

Back injury

Tendon and ligament injuries

Muscle Injuries

Hernias

Work related upper limb disorder

Cuts, burns, dislocations, broken bones

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15
Q

Outline factors to consider in relation to the load which will affect risk during manual handling

A

The weight of the load.

The size of the load - is it big and bulky - sight restriction, getting a grip.

The stability of the load, is it liquid inside, is the centre of gravity moving, stress on the body will not be constant.

The shape of the load may not allow for a good stable grip, particularly if not using correct gloves.

The load may be hot, sharp, hazardous, chemicals etc.

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16
Q

Identify 8 ways a forklift truck may become unstable during operation

A

Wet or slippy surface

Unseen hole in the ground, uneven surface

Unstable ground - not fit to take the weight of a forklift.

Accelerating or braking too quickly

Turning to sharply

Driving with elevated load

Carrying a load too heavy

Carrying an unstable load.

Driving across a slope

Driving up or down a slope

Collision with overhead cables or obstructions

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17
Q

Describe the principles of a trip device

A

A trip device is a sensitive piece of equipment that will stop the machine from working. For example a motion sensor or proximity sensor, light beam, will cut power to a production line if anyone in certain areas. Pressure mat, trip bar etc.

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18
Q

Describe the principles of 2 hand controls

A

Does what is says on the tin - both hands are required to push buttons to supply power to the machine. by doing this it prevents the user from having a free hand to put in the hazardous location.

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19
Q

Describe the principles of an interlock guard

A

An interlock guard is a guard which needs to be removed as part of routine operation or maintenance. When the guard is removed a switch is opened which prevents power being supplied to the machine, so allows safe access to the hazardous parts. Wont run until guard is replaced (eg microwave door)

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20
Q

Describe the principles of protective appliances

A

Devices an operator can use to assist in safe operation of a machine. eg a push stick for cutting wood to prevent the need tp put hands in dangerous area

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21
Q

Petrol cylinder mower to be used.

Outline mechanical and non-mechanical hazards associated with its use

A

Mechanical Hazards:
Rotating sharp blades present a cut hazard

Entanglement hazard - loose items may get caught in moving parts

Drawing in hazard - rotating blade

Collision/ crushing

Vibration

Noise

Manual handling

Flying debris

Environmental hazards - pollen etc

Biological Hazards - animal waste

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22
Q

Identify 4 non-mechanical hazards to which wood working machine operators may be exposed. Outline health and safety effects of each

A

Flying materials - eye injury, concussion, cuts

Electricity - shock, death, ventricular fibrulation

Noise - hearing damage, loss of hearing sense as warning to other dangers

Inhalation of dust - respiratory problems.

23
Q

Outline how fires can be caused by electricity

A

The electrical equipment may be faulty and overheat

The system could be overloaded, too many items plugged into extensions sockets

Equipment may be misused, putting bare wires into electrical socket.

Electrical equipment with spark potential brought into hazardous area - non ex rated

Flammable atmosphere created in a non hazardous area eg work shop - welding gas leak etc.

Normal operation of equipment, heater, may create a heat source and it may be left next to a fuel source

Poor quality products - eg counterfeit/ cheap imports

Static electricity eg during chemical bulk transfer if earth clip is not used.

24
Q

Identify the possible effects of electricity on the body

A

Ventricular Fibrillation/ cardiac arrest

Muscle contractions/ tremors (secondary effects follow)

Severe burns (direct and indirect)

Shock

Respiratory failure

25
Identify emergency action to take if person suffers electric shock
Do not touch them - confirm they are not still being shocked Isolate electrical supply Move casualty away with non conducting equipment Call for help/ ensure emergency support is on the way. Check breathing recovery position or CPR/ defibrillator Treat burns treat for shock/ stress
26
Outline practical measures to reduce the risk of electric shock from portable electrical equipment
Consider using different power source (battery) Use reduced power supply - 110v Consider protection devices eg residual power devices Keep cables runs out of walkways and away from other equipment Double insulation equipment for extra protection Train operators - pre use checks Ensure equipment used in correct environment - ie not wet conditions Ensure that routine and regular checks are made and tests carried out. Pre use checks.
27
Portable electrical equipment - identify 8 faults or bad practices which could contribute to electrical accidents
Using unsuitable equipment for the task - domestic equipment used in commercial premises Used with obvious signs of damage, eg water damage No regular PAT testing being carried out Equipment being used in wet conditions - increased risk of shock Equipment being modified - plastic bags used in wet conditions to protect from water, bare wires in socket. Overloading of sockets No PtW system or SSOW in place - no controls
28
With reference to the fire triangle - identify factors which could increase the risk of a fire starting in a vehicle repair workshop
Oxygen bottles, chemicals flammable, incorrect waste segregation, oily rags, boxes etc, electric fan heaters near fuel sources, hot work ongoing, welding grinding, heat from motors, smoking, public may have access, electrical equipment, soldering
29
Small fire started in a motor repair work shop and is currently contained in paper bin Identify possible sources of ignition
Sources Smoking - put straight in bin. Welding equipment, still hot - put in bin. Electrical - heater near by
30
Small fire started in a motor repair work shop and is currently contained in paper bin Why is water the best extinguisher and why does it put it out
Water is the best for class A fires as it cools the fire - there is also a certain amount of smothering if enough water is applied.
31
Small fire started in a motor repair work shop and is currently contained in paper bin Describe how the fire could spread if not extiguished
Via direct burning = if there is a source of fuel all the way from the bin to a large amount of fuel. Via convection - hot gases rise and are trapped in roof space - coud ignite flammable material Via - conduction - By heating adjacent contucting material, usually metal - the ignition source could spread to other parts Via radiation - heat can radiate in waves through the air - be absorbed by adjacent surfaces and heat them up.
32
Identify 2 ways an alarm can be raised in the event of a fire
Manually activated call point Smoke detector Heat detector IR flame detector
33
Identify issues to consider when positioning fire extinguishers
On exit routes near exit doors should be close to hazards they are designed to fight should be correct type for class of fire no further than 30m away from people fixed to wall at comfortable - visible height clearly visible and signed inspected and maintained routinely always available in good working order
34
Outline the main requirements for a safe means of escape from a building in the event of a fire
There should be more than one route in case is is blocked Should allow all able bodied persons to make their way unassisted Should take persons to a place of total safety external from the building Distance should be as short as possible Width of passages and doorways should be wide enough for the expected numbers Lighting should be adequate No obstructions - not used for storage
35
Identify 4 forms chemicals can take
Solid Liquid Gas Mist Vapour Dust Fibres
36
Outline the differences between acute and chronic health effects
Acute - high level exposure, short time exposed, effects happen quickly, recovery time usually quick once exposure has stopped - unless fatal Chronic - low level exposure over a long time, effects can take a long time to materialise, often irreversible
37
Outline the factors to consider when carrying out an assessment of hazardous substance exposure
hazardous nature - toxic, corrosive etc potential ill health effects - acute or chronic physical forms the substance takes in the work place and what form they were exposed to route of exposure quantity of the exposure The concentration of the substance frequency of the exposure - one off of long term duration of exposure level of control measures already in place
38
Identify the 8 principles of good practice that are defined in schedule 2a of COSHH regs
Design and operate processes and activities to minimise emission, release and spread of substances hazardous to health Take into account all routes of exposure Control exposure by means appropriate to risk choose most effective and reliable controls provide suitable PPE if other control measures cannot be achieved. review controls regularly for effectiveness Information and training for all employees Ensure control measures do not actually increase overall risk
39
Part of cleaning process, solvent is to be sprayed onto components before they are painted. Identify 2 forms it may take
Liquid Vapour/ Mist
40
Part of cleaning process, solvent is to be sprayed onto components before they are painted. Outline possible routes of entry/ exposure (4)
Inhalation when in mist form Injection if nozzle has point or high pressure jet abortion if contact with the skin and cuts/ grazes Ingestion if it gets in the mouth and is swallowed
41
Part of cleaning process, solvent is to be sprayed onto components before they are painted. Identfy info that could be obtained from an MSDS sheet
Health and safety effects If flammable or explosive If it reacts violently with any other chemicals storage requirements first aid measures recommended PPE how to dispose how to transport concentration environmental effect emergency/ spill actions
42
Part of cleaning process, solvent is to be sprayed onto components before they are painted. Outline control measures that should be taken to minimise health effects
Eliminate use of the product - use an alternative method to clean - sand blasting etc Substitute for a less harmful chemical Use the product in liquid form with brush application as it is less harmful Use a separate room or fume cupboard to carry out the spraying Automate the process to remove the human from the hazard Use local exhaust or dilution ventilation Job rotation SSOW - permits to work - risk assessment PPE
43
Identify 4 possible health effects with exposure to cement
irritation or corrosive burns to the eyes irritation of the respiratory tract irritant dermatitis on skin contact allergic dermatitis repeated skin contact corrosive burns to skin on prolonged contact
44
Outline 4 control measures to reduce the health effects when working with cement
Reducing exposure by using a different material or use less of it. reduce the exposure each person has by job rotation Use protective clothing to cover skin and goggles/ dust mask to prevent exposure Removal of contaminated clothing with a decontamination zone if required good hygiene - wash skin to prevent cross contamination
45
Identify 4 exposure routes of biological organisms into the body
Ingestion of hepatitis A through faecal matter Injection of hepatitis B through blood on a needle Inhalation of legionella bacteria by contaminated water mist Absorption of Leptospira bacteria through cut on the skin
46
Ouline control measure that could be used to reduce the risk of infection from biological effects
Ensure equipment and materials are kept clean and sanitary, using clean water, avoid certain water temperatures and stagnation Good house keeping and hazard awareness, look out for needles or sharps in high risk locations. disinfect area. Ensure good personal hygiene - clean hands after use, especially between jobs or after eating Ensure correct PPE is used specific for the task, and possible route of entry from the hazard Allow high risk personnel to carry high risk cards so emergency personnel can identify the infection quickly
47
Outline the issues that should be addressed by an organisation for the safe collection and disposal of its waste
Collection vehicles present a risk. enclosed area, reversing etc Care with liquid waste pumping in case of spill and loss of containment Any spillage should be foreseen and emergency plans in place Waste should be correctly segregated to prevent multiplying hazards Dangerous machinery and moving parts Access to storage areas may be difficult to get to, steps, or locked, to avoid scavengers Manual handling hazard Legal compliance
48
What are the exposure action and limits for noise
Daily - lower 80 bB (A) Daily - upper 85dB (A) Daily - limit 87 db (A) Peak - lower 135 dB (C) Peak - upper 137 dB (C) Peak - limit 140 dB (C)
49
What are the exposure action and limits for vibration
Daily - action - HAV - 2.5 m/s/s Daily - limit - HAV - 5.0 m/s/s Daily - action - body - 0.5 m/s/s Daily - limit - body - 1.15 m/s/s
50
Outline measures that could be taken which would reduce the risk of BOTH noise and vibration
Regular maintenance to ensure noise and vibration does not increase due to poor condition Chane the power source if possible, battery instead of mains, electric instead of petrol. Reduce exposure times by task rotation Install equipment to absorb the noise or vibration such as screens or shock absorbers Install equipment to prevent the noise or vibration travelling to other areas - keep it localised. Isolate the noise or vibration in high risk rooms and restrict access Appropriate PPE and protection for hearing - training for all personnel on effects
51
What are the principle health effects associated with exposure to x-ray radiation
Sickness & diarrhoea, hair loss, anaemia due to red blood cell damage, reduced immune system due to white blood cell damage
52
Outline the precautions a dental nurse should take when working with an x-ray machine
Minimise exposure by leaving the room and using a remote button to activate Increase distance between the source and the nurse Use physical shielding, either an apron or a screen Health surveillance to confirm ongoing exposure is not too high Safe system of work, procedure to follow to confirm that all precautions have been put in place.
53
Outline 8 sources of stress in a work place - other than the physical environment
Too much work - excessive work loads can overload personnel Too little work can lead to boredom and feelings of isolation Nature of the job, difficult/ complex tasks Difference between expectations and the ability of the worker High emotional jobs such as trauma nurse Poor work place relationships with colleagues - even bullying Lack of support, instruction Lack of clarity on what the job role actually is Changes to the work place or work load Changes to the process or company Job insecurity