Page 117 - Hong Kong Green School Guide
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3. Green School Guide - 3.4 Water Use
Hong Kong Green Building Council
115
Irrigation System
Technical Information
Drip/micro irrigation
• Allow water to drip slowly either onto the soil
surface or directly to the root zone; and
• Water is delivered through a network of valves,
pipes, tubing, and emitters.
Weather-based irrigation
controls
• Control water volume according to the heat of
the sun, temperature, humidity, rain and wind
speed; and
• Can integrate with drip/micro irrigation for water
delivery.
Soil-moisture-based irrigation
controls
• Control water volume according to soil moisture;
and
• Can integrate with drip/micro irrigation for water
delivery.
Useful References (2) to (4) provide further information for irrigation systems.
c. Professional Help
• Licensed Plumber – Appendix B (5)
Cost Information
The costs for installation and maintenance vary and depend on:
• Type of irrigation system;
• Complexity of current piping system; and
• Maintenance/installation access.
Schools can contact licensed plumber listed in Appendix B (5) for cost and
options.
Useful References
(1) The Government of Hong Kong Special Administrative Region. Agriculture,
Fisheries and Conservation Department. (2003). Hong Kong Herbarium. Retrieved
1 June, 2012, from
(2) Irrigation Association. (2010, December). Turf and Landscape Irrigation Best
Management Practices. Retrieved 1 June, 2012, from
(3) Water Use and Conservation Bureau. New Mexico Office of the State Engineer.
(1999, July). A Water Conservation Guide for Commercial, Institutional and
Industrial Users. Retrieved 1 June, 2012, from
(4) U.S. Department of the Interior. Bureau of Reclamation. (2012, July). Reclamation
Managing Water in the West. Weather-and Soil Moisture-Based Landscape
Irrigation Scheduling Devices. Technical Review Report – 4th Edition. Retrieved 1
June, 2012, from
