Quiz
Safety requirements for working safely in excavations and confined spaces in the building services industry
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Questions in this quiz (9)
1Why may a confined space be dangerous to work in?
- AAll of the hazards mentioned
- BTemperature and poor ventilation may affect the worker
- CAir in the space may be unbreathable due to poisonous gas
- DThere may not be sufficient working space
2What must be considered first when planning to carry out work in a confined space?
- ACan the work be done from the outside
- BHas sufficient manpower been allocated
- CHave the correct tools been arranged
- DHas the job been priced properly
3When working in a confined space, such as a sewer, what danger may occur?
- ANot enough time for the job to be done
- BBuild up of harmful gases
- CBoredom
- DGetting wet through
4To determine the safety of the atmosphere in an excavation, which of the following is essential
- AOnly entering for a short period to enable a quick escape
- BLooking for toxic gases
- CUsing a gas detector
- DSniffing the atmosphere after entry
5Before entering an excavation to start work, it must first be:
- Afilled with water then drained
- Binspected by the HSE
- Ccovered over and left overnight
- Dinspected by a competent person
6You have to enter a manhole in which you know there are toxic gases. You have all the PPE but there does not appear to be a rescue plan in place. What should you do?
- AAsk your mate to stand-by at the top of the manhole with a length of rope
- BDo not enter the manhole until a rescue plan and rescue equipment are in place
- CPlan to carry out the job in short bursts
- DJust get on and do the job, it will probably be alright
7While digging a trench, you uncover a length of yellow marker tape at a depth of about 150mm. What does the presence of the marker tape mean?
- AThe area has a high water-table and precautions must be taken to prevent an in-rush of water
- BThere is a buried electrical cable and further excavation must be carried out with care
- CThere is contaminated soil below the level of the marker tape and all excavation must stop
- DThe excavation has reached a depth where the sides must now be supported
8When working alone:
- AMake sure someone responsible knows where you are
- BYou can do away with protective equipment
- CDon’t bother anyone if you have a problem, always sort it out yourself
- DWear headphones, it will make the day go more quickly
9If you are planning to work I a confined space, what is the first question that should be asked
- ACan the work be performed from the outside?
- BDoes the site require temporary lights
- CHow many workers are required for the job
- DWhat does the confined space contain
Information
- Description
- 2 Health and Safety Quiz on Safety requirements for working safely in excavations and confined spaces in the building services industry, created by Vito Martino on 31/10/2014.
- Author
- Vito Martino
- Language
- English
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