Page 89 - Hong Kong Green School Guide

3. Green School Guide - 3.3 Energy Saving
Hong Kong Green Building Council 87
d. Professional Help
• Registered Professional Engineer – Appendix
A (4)
• Registered Electrical Contractors – Appendix
B (4)
Hybrid Lamp
Solar Bollard Light
Hybrid Lamp at Sing Yin Secondary
School
Solar Bollard Light at Sing Yin
Secondary School
Example(s)
Cost Information
The cost and payback for lighting system vary
and depend on:
• Complexity of current electrical wiring;
• Operation schedule;
• Number of lighting fixtures controlled by one
sensor or timer; and
• Maintenance/installation access.
Schools can contact lighting suppliers for cost
and options.
Indicative cost is provided in Appendix F for
general reference.