| Contents
 Foreword
 1	Scope
 2	Normative references
 3	Terms and definitions
 4	General
 5	Piping
 5.1	Pipe laying and valve set-up
 5.2	Piping foundation and buried depth
 5.3	Pipe support and hanger
 6	Auxiliary structure
 6.1	Water supply and wastewater well
 6.2	Water seal
 6.3	Inverted siphon
 6.4	Gutter
 6.5	Water outlet
 7	Hydraulic calculation
 8	Piping material and connection
 8.1	Piping material
 8.2	Pipe connection
 9	Corrosion prevention of pipes and thermal insulation
 9.1	External corrosion prevention
 9.2	Internal corrosion prevention
 9.3	Thermal insulation
 Explanation of Wording in This Code
 
 
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