slinger/signaller pick and carry

Question 1

Name four different types or levels of sanctions that can be applied to slingers/signallers who do not comply with, or follow legislation’s and regulations

Answer 1

verbal warning, written warning, dismissal, prosecution

Question 2

a)what determines the minimum distance that any part of plant and machinery has to be kept from overhead electricity lines

b)explain why a distance should be kept

Answer 2

a)the voltage of the electricity line and type of support (e.g wooden poles/metal pylons)

b)high voltage electricity can arc across large gaps in certain distances

Question 3

List six typical subject areas that should be covered in a site induction

Answer 3

emergency procedures, escape routes, first aid facilities, smoking, toilets, waste disposal, lifting operations

Question 4

Name three ways in which wind speed can affect lifting operations

Answer 4

cause load swing, can slow or increase the slew speed of the crane and can shut down lifting operations

Question 5

N/A

Answer 5

N/A

Question 6

What is the difference between a contract lift and a standard crane hire

Answer 6

contract lift-the crane company plans and supervises the lift.
crane hire-crane and operator to work to customers instructions via lift plan.

Question 7

What two checks need to be made before a load is to be lowered into a trench or excavation

Answer 7

in principle- a)that the trench is clear of personnel or hazards
b)the sides of the trench are supported or the machine is a sufficient distance away- variations can occur dependant on risk assessment

Question 8

if setting up to lift loads in a pedestrianised area, state one factor that needs to be taken into account by the slinger/signaller

Answer 8

physical segregation of pedestrians from overhead loads.

Question 9

if attaching accessories to a quick-hitch coupler of a machine such as an excavator,give two reasons why the coupler should be tilted in a downwards position

Answer 9

prevents fouling of the accessory on the coupler which could restrict movement and cause bending and twisting of the accessory

Question 10

Give four reasons that may cause a mobile-type lifting equipment to overturn

Answer 10

excessive load swing, soft ground, working on slopes,excessive load, insufficient counterweight

Question 11

If guiding an item of lifting equipment undertaking pick and carry duties near an open trench which has a depth of 2-meters, what is the minimum distance to maintain

Answer 11

at least 2 meters

Question 12

The safe working load (SWL) of a multi leg chain only applies in two conditions or configurations.

Answer 12

When each leg is equally loaded, within 45 degrees from vertical

Question 13

During inspection , damage has been found to a lifting accessory what two actions must be taken

Answer 13

it must be taken out of service, reported, clearly marked as unusable

Question 14

What are the two actions that a slinger/signaller undertakes on lifting accessories during pre-use inspections

Answer 14

carry out checks according to manufactures
requirements and report all defects immediately

Question 15

List six factors that must be taken into account by both the machine operator and slinger/signaller if a suspended load is to be travelled across a site

Answer 15

the machine is capable and within its limits,travelling with a load is authorised at that site, the travel route is clear of overhead hazards, the machine is configured correctly, travel route ground is suitable,environmental conditions

Question 16

what possible effects does excessive rain have on lifting operations

Answer 16

visibility between machine operator and signaller can be reduced, loads may be heavier, the loads may be more slippery especially if using fibre slings

Question 17

when working with slewing type lifting equipment in a restricted/confined area
a)what danger can be presented with regards to the machines counterweight
b)when should measures be taken
c)what measures should be implemented

Answer 17

a)The gap between the counterweight and a structure being reduced or contacting the structure/object when slewing
b)when the gap will be less then 600 mm
c)sufficient clearance needs to be maintained or access routes blocked off

Question 18

a)what is meant by the rated lifting capacity of lifting equipment
b)who determines it

Answer 18

a)the maximum lifting capacity for any particular configuration
b)the lifting equipment malefactor

Question 19

state the possible effect on a item of lifting equipment if it is positioned on a slope and lifts a load

Answer 19

the radius causing possible instability or side loadings

Question 20

what is meant by centre of gravity, or how is the centre of gravity determined on a load to be lifted

Answer 20

the point that is in balance

Question 21

what is the definition of, or how can a hazard be determined

Answer 21

a hazard is a situation where there is is a potential threat or risk to life, health, property or the environment

Question 22

a)on hoist rope-equipped lifting equipment how does the number of lines or falls of rope affect the lifting capacity
b)how is hoist speed affected when the number of falls is reduced

Answer 22

a)increasing the falls can increase the lifting equipment for a particular configuration
b)reducing falls increases hoist speed

Question 23

which part of slewing-type lifting equipment is the radius measured from

Answer 23

usually from the centre of the slew ring to the central point of the hook

Question 24

travelling with extra-long loads can be more hazardous for what reason?

Answer 24

the load can turn or swing and either strike the machine or a structure/other machine

Question 25

if a load is travelled or slewed, what two possible factors should the slinger take into account.

Answer 25

the length of time or distance that may be needed to stop the lifting equipment movement and any possible load swing

Question 26

a)when is a trial lift carried out?
b)name three checks made

Answer 26

a)just after the weight of the load is taken on each lift
b)to ensure the load is supported, level and the lifting accessorise are attached correctly

Question 27

State the function or job role of the following personnel: a) appointed person b)crane/lifting operations supervisor c)lifting equipment operator

Answer 27

a)plan the lift
b)supervise the lift
c)set up and operate the crane to given instructions