CSCS Specialist Working at Heights Test

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Specialists Test

Specialist Work at Height

1 / 47

An outdoor tower scaffold has stood overnight in high winds and heavy rain. What should you ensure before the scaffold is used?

That the brakes still work

That the platform hatch still works correctly

That the scaffold is inspected by a competent person

That the scaffold is tied to the adjacent structure

2 / 47

What is edge protection designed to do?

Stop rainwater running off the roof onto workers below

Prevent people and materials from falling

Secure tools and materials close to the edge

Make access to the roof easier

3 / 47

If you need to store materials on a roof, what three things must you do?

Use a gin wheel and rope tied to a temporary tripod at the roof edge for raising and lowering the materials

Ensure there is safe access and clear working areas around the materials for everyone working on the roof

Stack materials no more than 1.2 m above the guard-rail height

Check the load bearing capability of the roof to avoid damage to the structure

Store the materials in a way that prevents them from falling off, or being blown off, the roof

4 / 47

Which of these must happen before any roof work starts?

A risk assessment must be carried out following a hierarchy of controls

The operatives working on the roof must be trained in the use of safety harnesses

A weather forecast must be obtained

Permits to work must be issued to those allowed to work on the roof

5 / 47

If you are working above a safety net and you notice the net is damaged, what should you do?

Work somewhere away from the damaged area of net

Tie the damaged edges together using the net test cords

Stop work and report it

See if you can get hold of a harness and lanyard

6 / 47

What should someone working from a cherry picker attach their lanyard to?

A secure point on the boom of the machine

A secure anchorage point inside the platform

A scaffold guard-rail

A strong part of the structure that they are working on

7 / 47

What should you do if you are working at height, but the securing cord for a safety net is in your way?

Leave the cord alone and report the problem

Untie the cord, carry out your work and tie it up again

Untie the cord, but ask the net riggers to re-tie it when you have finished

Tell the net riggers that you are going to untie the cord

8 / 47

After gaining access to the platform of a correctly erected mobile access tower, what is the first thing you should do?

Check that the tower does not rock or wobble

Check that the tower's brakes are locked on

Check for overhead power lines

Close the access hatch to stop people or equipment from falling

9 / 47

When should guard-rails be fitted to a working platform?

If it is possible to fall 3 m

At any height if a fall could result in an injury

If it is possible to fall 2 m

Only if materials are being stored on the working platform

10 / 47

How will you know the maximum weight or number of people that can be lifted safely on a mobile elevating work platform (MEWP)?

It will be stated on the health and safety law poster

It will be stated on an information plate fixed to the machine

You will be told during site induction

The weight limit is reached when the platform is full

11 / 47

Roof light covers should meet which two of the following requirements?

They must be fixed in position to stop them being dislodged

They must be made from clear material to allow the light through

They must be strong enough to take the weight of any load placed on them

They must be waterproof and windproof

They must be made from the same material as the roof covering

12 / 47

When working at height, what is the safest way to transfer waste materials to ground level?

Bagging up the waste before throwing it down

Through a waste chute directly into a skip

Asking someone below to keep the area clear of people, then throwing the waste down

Erecting barriers around the area where the waste will land

13 / 47

You have been asked to erect specialist access frames using anchor bolts. Before you start work what should you not do?

Test the anchor bolts

Assume that the access system is safe to use

Check the access frames are sound

Ensure that your assistant has their harness on

14 / 47

When can someone who is not a scaffolder, remove parts of a scaffold?

As long as a scaffolder refits the parts after the work has finished

Only if they think the parts won't weaken the scaffold

Never, as only competent scaffolders can remove the parts

Only if the scaffold is not more than two lifts in height

15 / 47

What is the recommended maximum height for a free-standing mobile tower when it is used indoors?

Three lifts

There is no restriction

Three times the longest base dimension

The height recommended by the manufacturer

16 / 47

When trying to clip your lanyard to an anchor point you find the locking device does not work. What should you do?

Tie the lanyard in a knot round the anchor

Carry on working without it

Stop work and report it to your supervisor

Carry on working and report it later

17 / 47

If you are on a cherry picker but it does not quite reach where you need to work, what should you do?

Use a stepladder balanced on the machine platform

Abandon the machine and use a long extending ladder

Do not carry out the job until you have an alternative means of access

Extend the machine fully and stand on the guard-rails

18 / 47

If using inflatable airbags as a means of fall arrest, what must you ensure with regard to the inflation pump?

It must be switched off when the airbags are full

It must run all the time while work is carried out at height

It must be electrically powered

It must be switched off from time to time to avoid over-inflation

19 / 47

What is the main reason for using a safety net or other soft-landing system rather than a personal fall-arrest system?

It is always easier to rescue workers who fall into a soft-landing system

Soft-landing systems are collective fall arrest measures

Soft-landing systems are cheaper to use and do not need inspecting

Specialist training is not required to install soft-landing systems

20 / 47

What is the maximum permitted gap between the guard-rails on a working platform?

410 mm

470 mm

520 mm

350 mm

21 / 47

What must you do before a mobile access tower is moved?

Get approval from the principal contractor

Make arrangements with the forklift truck driver

Clear the platform of people and equipment

Get a permit to work

22 / 47

Before climbing a ladder, you notice that it has a rung missing near the top. What should you do?

Do not use the ladder, and immediately report the defect

See if you can find a piece of wood to replace the rung

Use the ladder but take care when stepping over the position of the missing rung

Turn the ladder over so that the missing rung is near the bottom and then use it

23 / 47

What is the main danger of leaving someone who has fallen suspended in a harness for too long?

They may try to climb back up the structure and fall again

They may suffer loss of consciousness and further injury

It is a distraction for other workers

The anchorage point may fail

24 / 47

Why is it dangerous to use inflatable airbags that are too big for the area to be protected?

They will exert a sideways pressure on anything that is containing them

They will not fully inflate

The pressure in the bags will cause them to burst

The inflation pump will become overloaded

25 / 47

When is it safe to use a mobile elevating work platform (MEWP) on soft ground?

When ground load bearing capacity has been assessed as suitable

Never

When the ground is dry

When the machine can stand on scaffold planks laid over the soft ground

26 / 47

You are working at height from a cherry picker when the weather becomes very windy. What should your first consideration be?

Decide whether the machine will remain stable

Tie the cherry picker basket to the structure you are working on

Clip your lanyard to the structure that you are working on

Tie all lightweight objects to the handrails of the basket

27 / 47

Which type of scaffold tie can be removed by someone who is not a scaffolder?

A ring tie

No types of tie

A box tie

A reveal tie

28 / 47

Ideally, where should a safety net be rigged?

At any height below the working position

6 m below where you are working

Immediately below where you are working

2 m below where you are working

29 / 47

How far should a ladder extend above the stepping-off point if there is no alternative, firm handhold?

One rung

One metre

Half a metre

Two rungs

30 / 47

You need to use a ladder to access a roof but the only place to rest the ladder is on a run of plastic gutter. What two things should you consider doing?

Resting the ladder on a gutter support bracket

Using a proprietary stand-off device that allows the ladder to rest against the wall

Finding another way to access the roof

Resting the ladder against the gutter, climbing it and quickly tying it off

Positioning the ladder at a shallow angle so that it rests below the gutter

31 / 47

When it is not possible to avoid working above public areas, what should be your first consideration?

To prevent complaints from the public

To minimise the number of people below at any one time

To let the public know what you are doing

To prevent anything falling onto people below

32 / 47

If you need to inspect pipework at high level above an asbestos roof, how should you access it?

Report the pipework as unsafe

Use an extension ladder and crawler board to get to the pipework

Use a ladder to get onto the roof and walk the bolt line on the roof sheets

Hire in suitable mobile access equipment

33 / 47

What should be included in a safety method statement for working at height? Give three answers.

How much insurance cover will be required

Who will supervise the job on site

The sequence of operations and the equipment to be used

How falls are to be prevented

The cost of the job and the time it will take

34 / 47

Who should install safety nets?

A steel or cladding erector

Someone who has had experience of working with them before

A trained, competent and authorised person

A scaffolder

35 / 47

Who should erect and dismantle scaffold towers?

Someone who is trained, competent and authorised

Advanced scaffolders

Someone who has the instruction book

Someone who has worked on them before

36 / 47

If you are working at height and operating a mobile elevating work platform (MEWP), when is it acceptable for someone to use the ground-level controls?

If the person on the ground is trained and you are not

If you need to jump off the MEWP to gain access to the work

In an emergency

If you need both hands free to carry out the job

37 / 47

When using portable or pole ladders for access, what is the maximum vertical distance between landings?

30 m

4 m

There is no maximum

9 m

38 / 47

What should you do if a safety lanyard has damaged stitching?

Get a replacement lanyard before starting work

Not use the damaged lanyard and work without one

Use the lanyard if the damaged stitching is less than 5 cm long

Use the lanyard if the damaged stitching is less than 15 cm long

39 / 47

The Beaufort Scale is important when working at height externally. What does it measure?

Air temperature

The load-bearing capacity of a flat roof

The load-bearing capacity of a scaffold

Wind speed

40 / 47

If you have to lean over an exposed edge while working at height, how should you wear your safety helmet?

Take your helmet off while leaning over then put it on again afterwards

Tilted back on your head so that it doesn't fall off

Wear the helmet as usual but use the chinstrap

Wear the helmet back to front whilst leaning over

41 / 47

What should you do if you find that a scaffold tie is in your way when you are working?

Remove it yourself but get a scaffolder to replace it when you have finished

Remove it yourself and then replace it when you have finished

Ask a scaffolder to remove it

Report the problem to your supervisor

42 / 47

If you need to cross a fragile roof, how do you establish if it is fragile?

Tread gently and listen for cracking

It does not matter if you walk along a line of bolts

Look at the roof surface and make your own assessment

Stop and seek advice

43 / 47

When is it most appropriate to use a safety harness and fall-arrest lanyard for working at height?

Only when the roof has a steep pitch

Only when crossing a flat roof with clear roof lights

Only when all other options for fall prevention have been ruled out

Only when materials are stored at height

44 / 47

If you notice some overhead cables within reach after gaining access to a roof, what should you do?

Stop work and confirm that it is safe for you to be on the roof

Keep away from them while you work but remember that they are there

Make sure that you are using a wooden ladder

Hang coloured bunting from them to remind you they are there

45 / 47

When is it acceptable to jump off a mobile elevating work platform (MEWP) on to a high-level work platform?

If the work platform is fitted with edge protection

If the machine operator stays in the basket

Not under any circumstances

If the machine is being operated from the ground-level controls

46 / 47

Before starting work at height, the weather forecast says the wind will increase to Force 7. What is the best description of the wind conditions?

A near gale that will make it difficult to move about and handle materials

Hurricane winds that will uproot trees and cause structural damage

A gentle breeze that you can feel on your face

A moderate breeze that can raise light objects, such as dust and leaves

47 / 47

What is the main reason for not allowing debris to gather in safety nets?

It will overload the net

Small pieces of debris may fall through the net

It looks untidy from below

It could injure someone who falls into the net

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