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NEBOSH Diploma > Mobile, Lifting, Access and Work at Height Equipment > Flashcards

Mobile, Lifting, Access and Work at Height Equipment Flashcards

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1
Q

Definition of mobile work equipment

A

Any work equipment which carries out work while it is travelling, or travels between different locations where it is used to carry out work

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2
Q

Self-propelled MWE

A

Propelled by it’s own motor or mechanism.

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3
Q

Towed MWE

A

Includes towed machines and trailers which are self-supported on their own wheels. They may have moving parts or not.
Examples: plough, trailer, powered crop sprayer

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4
Q

Attachements

A

Are not considered to be MWE in their own right, but as they can be attached to self-propelled MWE they can affect the safety of the equipment when attached

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5
Q

Remote Controlled MWE

A

Operated by controls which are not physically connected to it, such as radio control

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6
Q

Pedestrian Controlled Work Equipment

A

Pedestrian controlled lawnmowers etc. are not likely to be covered under Part III of PUWER regardless if they are powered or not

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7
Q

Types of FLT

A 
Industrial Counterbalance
Industrial Reach Truck
Rough-terrain Counterbalance
Telescopic Materials Handler
Side-loader
Pedestrian Operated Lift Truck
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8
Q

FLT Selection

A

Must be suitable for its intended use and the environment in which it will be used.

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9
Q

Features to determine the suitability of FLT

A 
Power Source
Size and Manoeuvrabilty
Operator View and vision aids
Rated capacity
Reach
Suspension and tyre choice
FOPS
ROPS
Weather protection
Lighting
Warning systems
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10
Q

FOPS on FLT

A

Falling object protective structure

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11
Q

ROPS on FLT

A

Roll-over protective structure

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12
Q

FLT Hazards

A

1) Instability of the truck
2) Falling loads
3) Hazards associated with propulsion systems
4) Truck falling from loading bays or good vehicles
5) Collisions with pedestrians or other vehicles
6) Collisions with structure, warehouse racking etc.

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13
Q

Issues affecting Longitudinal Stability of counterbalance FLT

A

Overloading
Loads to far forward on the forks
Travelling forwards downhill
Travelling with a raised load

All are made worse by heavy braking!

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14
Q

Issues affecting Lateral Stability of counterbalance FLT

A 
Unevenly balanced loads
Moving loads
Turning too fast
Turning with a raised load
Travelling across a gradient
Uneven ground or pot holes
Suspension or tyre faults
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15
Q

Hazard associated with Propulsion systems - Batteries

A

Quiet and may not be heard by pedestrians

Battery charging releases hydrogen gas

Battery acid is corrosive

Changing batteries requires manual or mechanical handling

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16
Q

Hazard associated with Propulsion systems - Diesel/Petrol

A

Fuel storage and fuel handling

Exhaust fumes

Heat from the exhaust system

Noise

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17
Q

Hazard associated with Propulsion systems - LPG

A

Fuel storage - Tank or cylinders

Manual handling of LPG cylinders

Exhaust fumes

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18
Q

Specified additional hazards associated with FLT

A

Suitability for carrying passengers

Unauthorised start up

Overrun of speed

Overheating

Contact with wheels and tracks

Contact with other moving parts, drive shafts, power take-off shafts etc.

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19
Q

FLT Hazards - Suitability for carrying passengers

A

Should only be in a suitable seat or on a suitable working platform

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20
Q

FLT Hazards - Unauthorised start up

A

Should be fitted with a device to prevent, such as removeable key or keypad with unique pin number.

Keys should be controlled and issued by a responsible person to an authorised operator.

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21
Q

FLT Hazards - Overrun of speed

A

Occurs typically when driving down steep slopes, can lead to a loss of control of the vehicle

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22
Q

FLT Hazards - Overheating

A

Can happen due to friction of overworked bearings or brakes. Hot surfaces can present an ignition risk in flammable atmospheres or can burn people on contact.

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23
Q

FLT Hazards - Contact with wheels and tracks

A

People must be kept away from moving parts.

Achieved by position of the cab and fitting suitable barriers such as guard rails and fenders

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24
Q

FLT Hazards - Contact with other moving parts

A

Appropriate safeguards should be provided to prevent people coming into contact.
PTO shafts and drive shafts should be fitted with guards of good design and well maintained.

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25
Q

Safe storage and parking of FLTs

A

Returned to designated parking area

Parking should be on firm level ground and in a safe position

Truck should be left with mast tilted forward and forks resting on the floor.

Controls should be in neutral and the parking brakes applied.

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26
Q

FLT Attachments

A 
Crane Jib
Boom
Hydraulic Hopper
Paper and Reel Clamp
Double Drum Clamp
Rotator and Clamp
Side Shift Carriage
Fork Positioner
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27
Q

FLT as working platforms

A

Used to lift/move people safely. Not as safe as a MEWP but sometimes safer than an ladder for access

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28
Q

Integrated Working platforms

A

Higher level of safety than non-integrated.

Controls that are linked to and isolate the truck controls so that only the person in the platform can control the lift height and truck movements

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29
Q

Non-integrated working platforms

A

No controls in the platform. All movements controlled by FLT operator

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30
Q

Permissioning Control working platforms

A

Non-integrated platform with hold to run controls that link to and nullify the trucks lower or lift controls

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31
Q

Examination periods for FLT used to lift people

A

Every 6 months

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32
Q

Precautions for Working platforms - Dimensions

A

As small as possible

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33
Q

Precautions for Working platforms - Floor of platform

A

Adequate strength, horizontal when attached to the truck and slip resistant.
If mesh floor, holes less than 15mm diameter

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34
Q

Precautions for Working platforms - Rails and Toe Boards

A

All platform edges guarded by top rail, at least 1 intermediate rail and a 150mm toe board

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35
Q

Precautions for Working platforms - Overhead Protection

A

Needed if there are risks from falling objects or overhead hazards

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36
Q

Precautions for Working platforms - Gate

A

Should open inwards, upwards or sideways and automatically return to the closed position.

Self locking or inter-lock to ensure it cannot be opened when platform is raised

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37
Q

Precautions for Working platforms - Hand Holds

A

Suitably sized to accommodate a gloved hand. Should be provided within the confines of working platform

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38
Q

Precautions for Working platforms - Safety harness anchorage

A

Work restraint anchorages should be included on the platform. Should be of sufficient strength and marked as wr anchorages that are inappropriate for the use of fall arrest equipment

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39
Q

Precautions for Working platforms - People on the platform

A

Platform positioned to prevent need to lean out

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40
Q

Precautions for Working platforms - Method of securing

A

Properly locked onto the forks or carriage

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41
Q

Precautions for Working platforms - Prevent access to moving parts

A

Screens or guards should be fitted to prevent risk of trapping or crushing

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42
Q

Precautions for Working platforms - Tilting mechanism, side shift etc.

A

Not capable of moving whilst the platform is raised

43
Q

Precautions for Working platforms - Truck operator

A

Must remain at the controls of the truck while platform is elevated

44
Q

Precautions for Working platforms - Truck Operation

A

Firm, well maintained even ground

Should not be moved whilst platform is elevated

Parking brake applied when platform is elevated

Where possible, transmission in neutral

45
Q

Precautions for Working platforms - Communication

A

Arrangements must be made for operator and person on platform to communicate. Can be radios or hand signals

46
Q

Precautions for Working platforms - Training

A

People in trucks and platforms must be properly trained, including full instructions on safe systems

47
Q

Precautions for Working platforms - Segregation of Work

A

Area should be separated from normal work activity. Cones, lights and barriers may be used

48
Q

Precautions for Working platforms - Maintenance

A

Platform maintained in good working order and repair

49
Q

Precautions for Working platforms - Exclusions for Use

A

Non-integrated platforms not suitable for:

Trucks requiring manual sequencing of lift/tilt controls

Variable reach trucks that can lift higher than 6m

50
Q

Precautions for Working platforms - Visibility

A

Platform should be painted conspicuous colour

51
Q

Precautions for Working platforms - Warning Signs

A

Permanent notices on the platform to:

Remind the operator to apply parking brake and put transmission in neutral before elevation

Inform truck operator to stay at truck controls

52
Q

Precautions for Working platforms - Identification Plate

A

Attached to platform showing:

Name and Address of manufacturer
Serial number and year of manufacture
Un-laden weight of the platform and position of centre of gravity
Lost Load centre
Max allowable load in kg
Max no. of persons allowed
53
Q

3 stages of FLT training

A

1) Basic training
2) Specific job training
3) Familiarisation training

54
Q

Frequency of reassessment for FLT training

A

3-5 years

55
Q

Agricultural Tractors - main issues affecting stability

A 
Driving across and turning on slopes
Rear mounted equipment
Raised front end loads
Rearward overturns where an object being pulled resists movement
Vertical jack-knifing
56
Q

Other types of incidents involving tractors

A

Crushing injuries
Entanglement around shafts
Contact with overhead lines
Collisions with other vehicles

57
Q

AGVs

A

Automatic Guided Vehicles - All transport systems capable of functioning without driver operation

58
Q

Hazards associated with AGVs

A

Collision between AGV and people
Trapping points between AGVs and stationary objects
Dangerous occurrences by inadvertent movement of the AGV

59
Q

Safeguard for AGVs

A 
Segg of AGV area from pedestrian traffic
Trip devices
Trip whiskers to stop vehicle when activated
Means to slow AGV to crawl speed
Emergency stop buttons
Automatic monitoring of safety systems
Audible and visual warning signals
60
Q

Main categories of Lifting Equipment

A

Cranes and Hoists

61
Q

Crane

A

A machine used for lifting and lowering and horizontal movement of a load

62
Q

Slewing

A

Rotary motion of a crane jib and superstructure about a vertical axis

63
Q

Derricking (of luffing)

A

Angular movement of the crane jib in a vertical plane

64
Q

Hoist

A

Device used for lifting and lowering a freely suspended load

65
Q

3 types of Cranes for syllabus

A

Mobile Cranes
Tower Cranes
Overhead Cranes

66
Q

Overhead cranes

A 
Consist of:
Wall mounted runway beams
The bridge
End trucks
Trolley hoist

Fixed within the structure of the building.

Gantry cranes are also overhead cranes but not fixed to the building surface

67
Q

Mobile Cranes

A

Lorry mounted telescopic jib
All-terrain telescpic jib
Rough-terrain telescopic jib
Crawler cranes

Most commonly seem on construction sites.

68
Q

Definition of a Conventional Tower Crane

A

A slewing jib crane with jib located at the top of a vertical tower and which is assembled on a construction site from components

69
Q

Crane selection depends upon….

A 
Characteristics of the load to be lifted
Selection of suitable accessories
Crane position
Constraints on erection and dismantling
Site and environmental constraints
70
Q

Site and environmental constraints of crane selection

A 
Ground conditions
Underground hazards
Overhead cables
Distance from the structure under construction
Prevailing weather conditions
Route to and access to the site
Space for final positioning
Clearance to railway tracks and overhead catenaries
Clearance to aircraft
71
Q

2 principle hazards associated with crane use

A

Crane collapsing due to overloading or toppling due to ground conditions

The load failing as a result of bad slinging or loading

72
Q

Other significant hazards associated with cranes

A

Moving loads striking pedestrians
Cranes contacting overhead conductors or obstructions
Cranes colliding with other cranes, other plant or people

73
Q

Crane stability - 3 basic factors affecting stability

A

Load combinations
The support arrangement
Operator control

74
Q

Crane technical safeguards

A

Following safety devices should be fitted:
Rated capacity indicator - advises when safe working load is approached

Load radius indicator

Motion limit detector - limits motion of the crane which could threaten the stability of the crane

Overload cut out devices

Level indicator

Anemometer - Measure wind speed

75
Q

What should be addressed in a lifting plan

A

The risks identified by a risk assessment
The resources required
Procedures and responsibilities to ensure lifting operation is carried out safely

76
Q

Key features of a basic lifting plan

A

a) Assess weight of load
b) Choose right accessory for lifiting
c) Check anticipated path
d) Suitable place to set down the load
e) Fit the sling to the load
f) Make the lift
g) Release the slings
h) Clear up

77
Q

2 basic options for an organsation needing to move a load when they don’t own a crane

A

Hiring a Crane (Hired Crane)

Employing a contractor to carry our the lifting operation (Contract Lift)

78
Q

Control of Lifting Operation - Appointed person

A

Person in overall control of the lifting operation.

Should be formally notified in writing of their appointment and given authority to carry out the duties.

79
Q

Basic lift

A

Where the weight of the load can be simply established and there are no hazards or obstructions within the area of operation

80
Q

Standard lift

A

Above basic lift.

Any hazards should be thoroughly risk assessed and managed

81
Q

Complex lift

A

Above standard lift.
Where the location has exceptional hazards. Also occurs when people are being lifted or the load is a complex shape or has a large wind area

82
Q

Crane Supervisor

A 
Directs and supervises the lifting operation. 
Should be:
Competent and trained
Experienced
Have sufficient authority to stop work
83
Q

Crane co-ordinator

A

Plans and directs the sequence of operations of cranes to ensure they do not collide with each other

84
Q

Crane operator

A

Responsible for the correct positioning and operation of the crane

85
Q

Slinger

A

Responsible for attaching and detaching the load from the crane lifting equipment

86
Q

Signaller

A

Responsible for relaying the signal from the slinger to the crane operator

87
Q

Crane Erector

A

Responsible for the erection of the crane

88
Q

Maintenance person

A

Responsible for maintaining and ensuring the safe operation of the crane

89
Q

Other hoists and lifts - Gin Wheels

A

Used in construction to lift materials from ground to upper level
Scaffolders should be advised if being fitted
Poles and hooks must be strong enough to take load
Must not be suspended more than 750mm beyond outer support
Ropes must meet standard
Tested every 6 months

90
Q

Other hoists and lifts - Scaffold Hoist towers

A 
Used to carry construction materials to high working levels on construction sites
Should be:
Erected by competent person
Periodically examined
Maintained in good order
Able to cope with site conditions
Adequate for the load
Clearly marked with safe working load
Able to be operated from one position
91
Q

Main hazards of scaffold hoist towers

A

People being struck by the platform or other moving parts

People falling down the hoistway

Falling materials

92
Q

Vehicle lifts

A

Used in garages and tyre centres to lift vehicles

93
Q

Two-post lifts

A

Mainly for inspection and routine servicing of vehicles

94
Q

Four-post lifts

A

Required for MOT testing

95
Q

Passenger and goods lifts most common injuries

A

Minor trips, bumps and pinched fingers

96
Q

Inspection maintenance for Passenger lifts

A

Every 6 months require a thorough exam and inspection as per LOLER and PUWER regs

97
Q

Safety features of passenger lifts

A 
Indication of safe working load
Automatic double doors
Human presence detectors
Control system to ensure good degree of levelling at landings
Safety gears to control deceleration
2-way 24h comms system
Emergency lighting
98
Q

Lifting accessories (tackle)

A

Equipment used to attach loads to machinery for lifting. Includes:
Chains, wire, rope and textile slings
Hooks, rings, shackles and eye bolts
Lifting beams and pulley blocks

99
Q

Statutory examination of lifting equipment

A

Requires thorough examination by a competent person:
Before put into service the first time
After installation or reassembly
During its exposure to conditions which cause deterioration

100
Q

Statutory examination period of lifting equipment for lifting people

A

Every 6 months

101
Q

Statutory examination period of lifting equipment not lifting people

A 
Every 12 months
or
In accordance with an examination scheme
or
After exceptional circumstances which could jepordise its safety
102
Q

Retention periods for inspection records for lifting equipment

A

Examination before first use:
Lifting equipment - until employer ceases to use it
Mobile lifting equipment - until it ceases to be used at place of installation or assembly
Lifting accessories - two years after report is made
Periodic examinations - until the next report or two years

103
Q

Use of MEWPs - 3 Safety Considerations

A

Safe Plant
Safe Workplace
Safe Operator

104
Q

Challenges of using fall arrest equipment with MEWPs

A

Fall distance of over 5m is required for effective deployment
The dynamic impact of the fall may cause the MEWP to topple or throw people or equipment from the platform

NEBOSH Diploma (9 decks)

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