Standard
UPDATE AVAILABLE
AS 2809.4:2017
[Superseded]Road tank vehicles for dangerous goods, Part 4: Tankers for toxic and corrosive cargoes
Specifies requirements for the design and construction of tankers for the transport of cargo which is normally liquid, and which is toxic or corrosive. To be used in conjunction with AS 2809.1 (which applies to all road tank vehicles).
Published: 26/04/2017
Pages: 21
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope
1.2 Application
1.3 New designs and innovations
1.4 Referenced documents
1.5 Definitions
1.6 Ullage for tanks or containers exceeding 8600 L
2 Tanks of Types 1, 2 and 3
2.1 Application
2.2 Tank design and construction
2.2.1 Design criteria
2.2.2 Design pressure
2.2.3 Materials
2.2.4 Lining
2.2.5 Baffles
2.2.6 Compartment openings
2.2.7 Valve protection
2.3 Valves and fittings
2.3.1 Shut-off valves
2.3.2 Pressure relief devices
2.3.3 Outlet connection
2.3.4 Piping
2.4 Additional requirements for higher hazards
2.4.1 Application
2.4.2 Piping
2.4.3 Pumping equipment
2.4.4 Location of tank openings
2.4.5 Tank openings
3 Tanks of Types 4 and 5
3.1 Application
3.2 Materials
3.2.1 Standards
3.2.2 Chemical resistance
3.2.3 Lining
3.3 Tank design and construction
3.3.1 Design of tank and supports
3.3.2 Tank shape
3.3.3 Stiffening of heads, bulkheads and baffles
3.3.4 Circumferential reinforcement
3.3.5 Baffles
3.3.5.1 Capacity
3.3.5.2 Access through baffles
3.3.6 Distribution of loads
3.3.7 Separation of liquids
3.3.8 Enclosed air spaces
3.3.9 Component attachment
3.3.10 Roll-over protection
3.3.11 Welding
3.4 Manholes, valves and vents
3.4.1 General
3.4.2 Compartment opening
3.4.3 Valves
3.4.4 Provision of vents
3.4.5 Top openings
3.5 Pipework and pipe fittings
3.5.1 Suitability
3.5.2 Provisions for movement
3.5.3 Fail-safe provisions
3.6 Pumps
3.6.1 Suitability
3.6.2 Prevention of overpressure
3.7 Pump drives
3.7.1 Protection
3.7.2 Shielding of pump shaft
3.7.3 Location of controls
3.8 Electric cables and electrical fittings
3.9 Testing
3.9.1 Tanks
3.9.2 Hatch assembly
3.9.3 Piping
3.9.4 Inspection and testing of hoses
3.10 Marking
4 Tank testing and maintenance procedures
4.1 Application
4.2 General precautions
4.3 Entry into tank
4.4 Purging operations
4.5 Tank repairs or modification
4.6 Regular testing and maintenance
4.6.1 Precautions prior to work
4.6.2 Hatches, vents valves
4.6.3 Pressure-vacuum vents
4.6.4 Hoses
4.6.5 Corrosion testing
4.6.6 Records
4.6.7 Tank vehicle servicing and repair
4.6.8 Tank vehicle breakdown
4.6.9 Safe work procedure
Cited references in this standard
[Current]
Road tank vehicles for dangerous goods, Part 2: Road tank vehicles for flammable liquids
[Current]
Aluminium and aluminium alloys — Extruded rod, bar, solid and hollow shapes
[Withdrawn]
Methods of test for hose made from elastomeric materials, Method 13B: Determination of electrical resistance of hose assembly
[Withdrawn]
Methods of test for hose made from elastomeric materials, Method 13C: Determination of electrical continuity of a hose assembly with reinforcing wire(s)
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