Unit 101 Level 1 Principles of building construction, information and communication

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City & Guilds Construction
PowerPointpresentation
Presentation 2: Waste management
Unit 101: Principles of building construction,
information and communication

Aim
Introduce learners to waste management.
Objectives
• List two ways of reducing waste in construction.
• Identify two materials that may be recycled during the construction
process.
• Explain two methods of managing waste disposal on site.

What is waste?
Waste is:
• any substance which constitutes a scrap material or effluent or
otherwise any unwanted surplus arising from the application of any
process
• any substance or
article which requires to
be disposed of as being
broken, worn out,
contaminated or
otherwise spoiled.

Types of waste
Controlled waste
Building and demolition waste and household industrial and
commercial waste.
It may be divided into three types:
• inert waste: waste that will not decompose, eg rubble, concrete,
metal, rubber, etc
• putrescible waste: waste which will rot and decompose, eg timber,
food, paper
• special waste: waste which is dangerous to keep or dispose of.
Liquids with a flashpoint below 210°C are special waste, eg gun
wash, thinners, Evo-Stik remover.

Task
In groups, discuss how to reduce waste in construction.
Then create a mind map on reducing waste.

Waste management
A licence is required if you deposit, recover or dispose of controlled
waste.
A building contractor who carries waste, eg a joiner, even if they carry
their own waste, must have a proper transfer note which is required to
be given to the site receiving the waste.
It must contain an honest description of the waste.

Waste management continued
A description such as ‘general building waste’ will suffice, however,
‘waste timber’ would be better.
Loads should be segregated to dispose of them correctly. This may
mean several skips, eg:
• brick, rubble, cement, plaster and plasterboard
• empty paint tins, adhesive tins or drums
• wood, cardboard, paper, carpet
• scrap metal, pipe, wire
• various chemicals, oil, grease
• PVC window mouldings, gutters and down pipes.

Task
Identify recyclable materials and their uses.

Waste disposal: skips
• Set up where lorries can reach them.
• Keep access to skips clear.
• Do not overload skips. The carrier can refuse to remove it/tell you to
unload it.
• Do not load above the height of the sides.
• Do not light fires in skips. Fire weakens the structure of the skip and
can cause it to collapse on lifting.
• Never ride or climb into a skip.
• If on a highway, skips must be lit at night and be guarded by a row of
cones at 45 degrees, ie 2.5m in front of the skip and along the outer
edge.
• Skips must not cover manholes or drains.

Enforcement
The Environment Agency under the Environmental Protection Act 1990
has the duty of policing environmental pollution. They have similar
powers to the Health and Safety Executive.
Fires should not be used as a method of disposal without permission
and must be controlled by trained staff to ensure unacceptable
materials are not burnt.
Discharge to the atmosphere will attract the attention of officers if black
smoke from insulation is produced.

Any questions?

Unit 101 Level 1 Principles of building construction, information and communication

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Unit 101 Level 1 Principles of building construction, information and communication