Apart from the cylinders used in gas-powered forklift trucks, why should you never see liquid petroleum
gas (LPG) cylinder placed on their side during use?
The liquid gas could be drawn from the cylinder, creating a safety hazard
Why is over exposure to vibratory tools and equipment a serious issue?
Vibration can cause a disabling injury that cannot be cured
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What type of fire extinguisher should not be provided where petrol or diesel is being stored?
Water
What is a class 3 ladder?
A ladder for domestic use only and must not be used on site
After gaining access to the platform of a mobile tower, what is the first thing you should do?
Close the access hatch to stop people or equipment from falling
A person is going to be working on a mobile tower but will not be erecting, altering or dismantling it.
What training should they have?
They should be briefed on the safe use and hazards of working on a mobile tower
What is the best way to stop people falling through voids, holes or fragile roof panels?
,Covers, secured in place, that can take the weight of a person and add warning signage
Give two reasons why methane gas is dangerous in confined spaces
It can explode and You may not have enough oxygen to breathe
To prevent pollution to watercourses what would be the best solution to control surface water run-off
from material stockpiles?
Installing silt fence around the stockpile
Under the Construction (Design and Management) Regulations 2015, what, in addition to applying the
general principles of prevention, must a designer take into account when preparing
Any pre-construction information
When asbestos material is suspected in buildings to be demolished, what is the first priority?
A competent person carries out an asbestos survey
On the site electrical distribution system, which colour plug indicates a 400 volt supply?
Red
Why is it dangerous to run an abrasive wheel faster than its recommended MAXIMUM speed?
The wheel could shatter into many pieces
, When is a site vehicle MOST likely to injure pedestrians?
While reversing
What is the maximum unprotected gap allowed between any guard-rail, toe board, barrier or other
similar means of protection on a scaffold?
470mm
Following the hierarchy of control, which of the following is regarded as the LAST RESORT for someone's
safety when working at height?
Safety harness and fall-arrest lanyard
To ensure the safety of people who work at height, how should you regard ladders?
They are generally the least favoured form of access equipment
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