29/04/2025
Australian Standard 5602 for – Road tank vehicle bottom loading & vapour transfer, is now available for public comment.
The draft standard is now open for comments on the Standards Australia public comments system.
Standard: DR AS 5602:2025 Flammable liquids – Road tank vehicle bottom loading and vapour transfer
Committee: ME-057 ME-057 Road Tankers For Hazardous Liquids And Gases
Public Comments Close on the: 11/06/2025
You can view the draft with latest comments and provide your feedback using the link below: https://comment.standards.org.au/Drafts/d88ce001-89c4-446a-971b-42f9f4cb550b
Don’t miss your opportunity to have a say on the changes that have been made to this standard.
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Table of Contents
Draft Details
Amended Preface
1 Scope and general
Amended 1.1 Scope
Deleted 1.2 Application
Amended 1.2 Normative references
Amended 1.3 Terms, definitions and abbreviated terms
Amended 1.4 Road tank vehicles
2 Product connections for loading
Amended 2.1 General
Amended 2.2 Adaptor specification
Deleted 2.3 Coupler specifications
Amended 2.3 Location of API adaptors for petroleum fuels
Amended 3 Vapour transfer
Deleted 3.1 Scope of section
Added 3.1 Transfer system
Added 3.1.1 General
Added 3.1.2 Where API adaptors are required for petroleum fuels
Added 3.1.3 For systems where API adaptors are not required
Amended 3.2 Vapour transfer adaptors and couplers for petroleum fuel loaded via API adaptors
Added 3.2.1 General
Added 3.2.2 Vapour transfer couplers
Added 3.2.3 Vapour transfer adaptors
Amended 3.3 Vapour transfer hose
Added 3.4 Vapour transfer piping
Added 3.5 Vapour transfer valve
Amended 4 Vehicle overfill prevention system
Deleted 4.1 Scope of section
Deleted 4.2 Tank compartment sensing element
Deleted 4.3 Connection between fill stand and vehicle
Added 4.1 Road tank vehicle and cargo loading facility compatibility
Added 4.2 Overfill detection equipment
Added 4.3 Overfill earth connection
Added 4.4 Overfill sensor settings
Added 4.5 Electrical requirements
Added 4.6 Tanker compartment content verification
Amended 5 Interlocking with the fill stand
Deleted 5.1 Scope of section
Deleted 5.2 Loading system interlocks
Deleted 5.3 Overfill protection system
Deleted 6 Interlocks on the tank vehicle
Deleted 7 Unloading with vapour recovery
Deleted 8 Unloading without vapour recovery
Added 6 Brake interlock driveaway protection
Added 7 Vehicle internal valves
Added 8 Product recognition and crossover prevention
Added 9 Maintenance, inspection and testing
Added 9.1 Regular inspection and maintenance intervals
Added 9.2 Performance testing
Added Appendix A Typical cargo bottom loading facility design features
Added A.1 General
Added Bibliography