IV CODE OF PRACTICE ON SURFACE WATER DRAINAGE Public Utilities Board would like to thank the following Professional Institutions and agencies for their invaluable advice and comments on the Code of Practice on Surface Water Drainage Seventh Edition Professional Bodies Association
of Consulting Engineers, Singapore (ACES) The Institution of Engineers, Singapore (IES) Singapore Institute of Architects (SIA) Singapore Institute of Landscape Architects (SILA) Agencies Building and Construction Authority (BCA) Centre for Public Project Management (CP2M) Housing & Development Board (HDB)
JTC Corporation (JTC) Land Transport Authority (LTA) National Environment Agency (NEA) National Parks Board (NParks) Singapore Civil Defence Force (SCDF) Urban Redevelopment Authority (URA)
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CONTENTS PageIntroduction Terminology PART I PLANNING REQUIREMENTS 1
Drainage Reserve 1.1 Drainage Reserve Requirements
5 1.2 Realignment
of Drainage Reserve 5 1.3 Use of Drainage Reserve
5-6 2
Platform, Crest and Reclamation Levels 2.1 Minimum Platform Level
6-8 2.2
Crest Level 9 2.3 Minimum Reclamation Level
9 2.4
Flood Protection Measures 10 3
Flood Protection of underground Rapid Transit Systems, Vehicular Underpass, Road Tunnels and Their Ancillary Buildings 3.1 Principles
and Standards of Protection 11 3.2 Developments with Direct Indirect Linkages to Underground Rapid Transit Systems,
Vehicular Underpasses, Road Tunnels and Their Ancillary Buildings
11 4
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