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                   Energy Efficiency

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“An energy efficient building provides the required internal environment and services with minimum energy use in a cost effective and environmentally sensitive manner.”

[CIBSE Guide: Energy Efficiency in Buildings (1998); Publisher: The Chartered Institute for Building Service Engineers]

 

 

The Chartered Institute for Building Service Engineers has published a Guide on Energy Efficiency in Buildings (1998) which intends to highlight the opportunities for saving energy in buildings while maintaining the comfort and health of their occupants. Using this guide, various principles of energy efficiency have been identified which are suitable for implementation in transportable, pre-fabricated buildings, as they are used in construction villages.

 

These principles and their measures for implementation are stated in the following table.

 

Principle

Measures for Implementation of Principle

Reduce demand

 

 

 

Build-in energy efficiency

 

 

Use effective controls

 

 

 

Improve operation

 

 

Monitoring

 

Optimise plant and equipment

 

Environmental impact

 

Keep energy demand to a minimum through careful design of built form and services using ambient energy and passive solutions. Try to avoid the need for air conditioning, where possible.

 

Consider introducing energy efficient technologies throughout the design and upgrade processes.

  

Introduce energy efficient controls which operate systems efficiently, safely and economically, whilst still allowing individual occupants to alter their own comfort levels, but avoiding systems defaulting to ‘on’.

 

Encourage energy efficient operation of buildings through management, policy, maintenance, monitoring and control.

 

Introduce appropriate metering to provide sufficient information about energy usage.

 

Select the most efficient plant and ensure that plant and equipment are not oversized.

 

Minimise adverse effects on the external environment. Minimise emissions and select environmentally friendly materials and fuels. 

 

Benefits of implementing principles of energy efficiency in the design and maintenance of construction villages ranging from the individual to the national level can be:

  • Reduced energy costs
  • Improved cabin design and operation
  • Better working environment
  • Life-cycle cost savings
  • Added market value of modular cabins
  • Environmental: mainly through reduced emissions of carbon dioxide and reduced consumption of finite fossil fuels

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