WorksheetsTrenches and excavations
Total questions: 54
Worksheet time: 27mins
What are the main dangers when working in trenches?
Collapse and falling objects
Exposure to loud noises
Electrical shock from equipment
Slippery surfaces
Working in trenches is limited for plumbers, but sometimes it may be required on construction sites. The danger comes from collapse and falling objects.
True
False
Which of the following should trench work be?
Ignored
Planned
Rushed
Avoided
Which of the following should trench work be?
Managed
Delayed
Unplanned
Forgotten
Which of the following should trench work be?
Supervised
Unattended
Neglected
Unplanned
What is one of the requirements for trenches and excavations deeper than 1.2m? (Fill in the blank) Requirement: ________ type
Ground type
Permit type
Weather type
Equipment type
What is one of the requirements for trenches and excavations deeper than 1.2m? (Fill in the blank)
access
lighting
ventilation
signage
What is one of the requirements for trenches and excavations deeper than 1.2m? (Fill in the blank)
edge
roof
floor
beam
What is one of the requirements for trenches and excavations deeper than 1.2m?
barrier
warning light
ladder only
painted lines
What is one of the requirements for trenches and excavations deeper than 1.2m? (Fill in the blank)
stops
ladders
lights
barriers
What is one of the requirements for trenches and excavations deeper than 1.2m?
LPG
Warning signs
Fire extinguisher
First aid kit
What is one of the requirements for trenches and excavations deeper than 1.2m?
ladder
warning tape
fire extinguisher
first aid kit
What is one of the requirements for trenches and excavations deeper than 1.2m? (Fill in the blank)
notices
ladders
lights
barriers
When you are digging and excavating, even to install an incoming water main, always check the type of ground that is being dug. Which type of soil tends to be more firm?
Sandy soil
Clay
Gravel
Silt
When you are digging and excavating, even to install an incoming water main, always check the type of ground that is being dug. Sandy soil tends to ______ more easily.
collapse
harden
expand
solidify
When you are digging and excavating, even to install an incoming water main, always check the type of ground that is being dug. If the ground is soft, the sides of the excavation can be _______.
sloped
vertical
reinforced
curved
Look at the image showing a person working in an excavation with a large rock above supported by wooden beams. Is this a safe working condition?
True
False
Which of the following is a part of rainwater harvesting systems?
Sewers
Trees
Roads
Buildings
Which of the following is a part of rainwater harvesting systems?
Drains
Cars
Parks
Bridges
Which of the following is a part of rainwater harvesting systems?
Incoming water mains
Street lights
Playgrounds
Shops
Which of the following is a part of rainwater harvesting systems?
Ground source heat pumps
Fountains
Benches
Statues
Which of the following is a part of rainwater harvesting systems?
Wells
Buses
Fences
Signs
Which of the following is a part of rainwater harvesting systems?
A) Plant rooms
B) Playgrounds
C) Roads
D) Shops
Which of the following is an example of a confined space?
Flues
Open field
Playground
Library
Which of the following is NOT an example of a confined space?
Duct work
Roof areas
Park bench
Sewers
Fill in the blank: ________ are considered confined spaces and require special safety precautions.
Roof areas
Open fields
Parking lots
Playgrounds
Sewers are an example of a confined space.
True
False
Which of the following areas is listed as a confined space in the image?
Under floors
Playground
Classroom
Garden
What does the sign 'DANGER CONFINED SPACE ENTRY BY PERMIT ONLY' mean?
It means that entry into the confined space is dangerous and only allowed with a proper permit.
It means the space is safe to enter at any time.
It means only emergency personnel can enter without a permit.
It means the space is open to the public.
What is the person in the image doing?
The person is entering a confined space (manhole) while wearing safety gear.
The person is painting a wall.
The person is repairing a car engine.
The person is planting a tree.
Which of the following is a danger of confined spaces?
Claustrophobia
Sunburn
High altitude
Cold weather
Which of the following is a danger of confined spaces?
Lack of oxygen
Excessive light
Noise pollution
Dust
Which of the following is a danger of confined spaces?
Collapse
Earthquake
Tornado
Snowstorm
Which of the following is a danger of confined spaces?
Build-up of fumes/vapours
High humidity
Low temperature
Strong winds
Which of the following is a danger of confined spaces?
Fire and explosion
Lightning
Landslide
Hailstorm
Which of the following is a danger of confined spaces?
Hot work conditions
Heavy traffic
Loud music
Bright lights
Which of the following is a danger of confined spaces?
Flooding
Drought
Snowfall
Heatwave
What is one of the dangers of working under a suspended floor in a domestic property?
Stuck/trapped
Exposure to loud noises
Risk of electrical shock from overhead wires
Slipping on wet tiles
What is a fire risk associated with working under a suspended floor if soldering?
Fire risk if soldering
Water leakage risk
Electrical shock risk
Structural collapse risk
What is a fume risk associated with working under a suspended floor if soldering?
Fume risk if soldering
Risk of electrical shock
Risk of falling objects
Risk of water leakage
Risk of fire from carpet
What type of pests might be a danger when working under a suspended floor in a domestic property?
Vermin/insects
Birds
Fish
Reptiles
What airborne particle is a danger when working under a suspended floor in a domestic property?
Dust
Water vapor
Carbon dioxide
Pollen
What type of objects pose a danger when working under a suspended floor in a domestic property?
Sharp objects
Soft pillows
Plastic bottles
Paper sheets
Rubber mats
What is a confined space?
A confined space is a place which is substantially enclosed (though not always entirely), and where serious injury can occur from hazardous substances or conditions within the space, or nearby (e.g., lack of oxygen).
A confined space is an open area with unlimited access and no risk of hazardous substances.
A confined space is any outdoor location with fresh air and natural light.
A confined space is a place designed for regular human occupancy and comfort.
Why is the safety of personnel important in a confined space?
The safety of personnel is important so a suitable emergency escape route must always be maintained, and communication with people outside must always be held.
Because confined spaces are always comfortable and safe environments.
So that personnel can ignore safety protocols without consequences.
Because confined spaces do not require any special precautions.
A confined space is a place which is substantially enclosed, and where serious injury can occur from hazardous substances or conditions within the space, or nearby.
True
False
What must always be maintained in a confined space to ensure safety?
A suitable emergency escape route must always be maintained, and communication with people outside must always be held.
Only one person should enter at a time, regardless of the situation.
Food and water supplies must always be available inside the confined space.
The confined space should always be locked from the outside.
Which of the following is important for working in confined spaces?
Lighting
Correct PPE
No lone working
Training
Ventilation
Fill in the blank: One important safety measure in confined spaces is ________.
Training
Ignoring safety signs
Rushing the job
Using damaged equipment
Skipping ventilation checks
Fill in the blank: In confined spaces, ________ is not allowed to ensure safety.
No lone working
No use of safety equipment
No team briefing
No emergency exit
Fill in the blank: Wearing the ________ is essential when working in confined spaces.
Correct PPE
Casual clothes
Safety shoes only
Any available gear
No equipment
Fill in the blank: Proper ________ is necessary for visibility in confined spaces.
Lighting
Ventilation
Insulation
Seating
Fill in the blank: Adequate ________ is required to ensure safe air quality in confined spaces.
Ventilation
Lighting
Insulation
Decoration
Fill in the blank: Workers must have ________ of situation and hazards when working in confined spaces.
Awareness
Ignorance
Negligence
Carelessness
