《AS-2809.2-2008.pdf》由会员分享，可在线阅读，更多相关《AS-2809.2-2008.pdf（37页珍藏版）》请在三一文库上搜索。
1、AS 2809.22008 Australian Standard Road tank vehicles for dangerous goods Part 2: Road tank vehicles for flammable liquids AS 2809.22008 Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 11 Dec 2008 This Australian Standard was prepared by Committee ME-057, Road Tankers for Hazardous Liquids and Gases. It
2、 was approved on behalf of the Council of Standards Australia on 6 March 2008. This Standard was published on 5 May 2008. The following are represented on Committee ME-057: Australasian Fire Authorities Council Australian Chamber of Commerce and Industry Australian Industry Group Australian Liquefie
3、d Petroleum Gas Association Australian and New Zealand Industrial Gas Association Department of Consumer and Employment Protection, WA Department of the Premier and Cabinet, SA Petroleum Industry Contractors Association Queensland Transport The Australian Gas Association Victorian Transport Associat
4、ion Victorian Work Cover Authority This Standard was issued in draft form for comment as DR 05388. Standards Australia wishes to acknowledge the participation of the expert individuals that contributed to the development of this Standard through their representation on the Committee and through the
5、public comment period. Keeping Standards up-to-date Keeping Standards up-to-date Australian Standards are living documents that reflect progress in science, technology and systems. To maintain their currency, all Standards are periodically reviewed, and new editions are published. Between editions,
6、amendments may be issued. Standards may also be withdrawn. It is important that readers assure themselves they are using a current Standard, which should include any amendments that may have been published since the Standard was published. Detailed information about Australian Standards, drafts, ame
7、ndments and new projects can be found by visiting w www.standards.org.auww.standards.org.au Standards Australia welcomes suggestions for improvements, and encourages readers to notify us immediately of any apparent inaccuracies or ambiguities. Contact us via email at mailstandards.org.aumailstandard
8、s.org.au, or write to Standards Australia, GPO Box 476, Sydney, NSW 2001. Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 11 Dec 2008 AS 2809.22008 Australian Standard Road tank vehicles for dangerous goods Part 2: Road tank vehicles for flammable liquids Originated as part of AS 20161977. Previous edi
9、tion AS 2809.21999. Fourth edition 2008. COPYRIGHT Standards Australia All rights are reserved. No part of this work may be reproduced or copied in any form or by any means, electronic or mechanical, including photocopying, without the written permission of the publisher. Published by Standards Aust
10、ralia GPO Box 476, Sydney, NSW 2001, Australia ISBN 0 7337 8632 4 Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 11 Dec 2008 AS 2809.22008 2 PREFACE This Standard was prepared by the Standards Australia Committee ME-057, Road Tank Vehicles for Dangerous Goods to supersede AS 2809.21999 Road tank vehic
11、les for dangerous goods, Part 2: Tankers for flammable liquids. This Standard sets out specific requirements for road tank vehicles transporting flammable liquids. This Part 2 of AS 2809 is to be used in conjunction with AS 2809.1 (which applies to all road tank vehicles) and any other Part of AS 28
12、09 where more than one hazardous property applies to the dangerous goods in use. The specific requirements applicable to particular road tank vehicles are detailed in the appropriate Part of the suite of Standards. The suite of Standards for road tank vehicles comprises six (6) Parts. The scope of t
13、he brief given to the Committee was to review Parts 1, 2 and 3. NOTE: Parts 4, 5 and 6 are to be reviewed at a later date yet to be determined. The following Parts were reviewed by the Committee: Part 1: General requirements for all road tank vehicles Part 2: Road tank vehicles for flammable liquids
14、 Part 3: Road tank vehicles for compressed liquefied gases The term normative has been used in this Standard to define the application of the appendix to which it applies. A normative appendix is an integral part of a Standard. IT SHOULD BE NOTED THAT COMPLIANCE WITH THIS STANDARD MAY NOT NECESSARIL
15、Y FULFIL ALL LEGAL OBLIGATIONS. Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 11 Dec 2008 3 AS 2809.22008 CONTENTS Page SECTION 1 SCOPE AND GENERAL 1.1 SCOPE 4 1.2 OBJECTIVE4 1.3 APPLICATION.4 1.4 REFERENCED DOCUMENTS 4 1.5 DEFINITIONS 4 1.6 NEW DESIGNS AND INNOVATIONS .4 1.7 VEHICLE REQUIREMENTS.4 S
16、ECTION 2 TANKS, ACCESSORIES, AND COMPONENTS 2.1 MATERIALS 6 2.2 TANK DESIGN AND CONSTRUCTION 6 2.3 MANHOLES, VALVES AND VENTS. 14 2.4 FILLING PROVISIONS 17 2.5 PIPEWORK AND PIPE FITTINGS 18 2.6 VEHICLE CABLING AND ELECTRICAL EQUIPMENT 18 2.7 TESTING 20 2.8 IDENTIFICATION . 20 SECTION 3 TANK TESTING
17、AND MAINTENANCE PROCEDURES 3.1 GENERAL PRECAUTIONS. 22 3.2 ENTRY INTO TANK 22 3.3 GAS-FREEING OPERATIONS 22 3.4 TANK REPAIRS OR MODIFICATION. 22 3.5 REGULAR TESTING AND MAINTENANCE 23 APPENDICES A REFERENCED DOCUMENTS 26 B TESTING OF VENTS, HATCHES AND OTHER TANK TOP FITTINGS 28 Accessed by UNIVERSI
18、TY OF SOUTH AUSTRALIA on 11 Dec 2008 AS 2809.22008 4 Standards Australia www.standards.org.au STANDARDS AUSTRALIA Australian Standard Road tank vehicles for dangerous goods Part 2: Road tank vehicles for flammable liquids S E C T I O N 1 S C O P E A N D G E N E R A L 1.1 SCOPE This Standard specifie
19、s requirements for the design, construction, inspection and testing of road tank vehicles for the transport of flammable liquids. This Standard is complementary to AS 2809.1. 1.2 OBJECTIVE The objective of this Standard is to provide designers, planners, operators and regulators with technical requi
20、rements for road tank vehicles transporting flammable liquids, being dangerous goods of Class 3 or having a subsidiary risk of Class 3. 1.3 APPLICATION Road tank vehicles for the transport of flammable liquids shall comply with AS 2809, Parts 1 and 2. Where any requirement of this Part differs from
21、a similar requirement in Part 1, this Part shall take precedence. NOTE: Road tank vehicles that have been verified by the Weights and Measures Authority for trade use are also, required to comply with the National Standards Commission requirements for certification. 1.4 REFERENCED DOCUMENTS A list o
22、f the documents referred to in this Standard is provided in Appendix A. 1.5 DEFINITIONS For the purpose of this Standard, the definitions given in AS 2809.1 apply. 1.6 NEW DESIGNS AND INNOVATIONS This Standard does not prevent the use of materials, methods of assembly, procedures and the like that d
23、o not comply with the specific requirements of this Standard, or are not mentioned in it, provided the minimum dimensional and performance requirements specified herein are met. 1.7 VEHICLE REQUIREMENTS 1.7.1 Spillage hazards The appropriate requirements of AS 2809.1 and the following requirements s
24、hall apply: (a)Any portion of an engine or exhaust system which by reason of its location can be reached by spillage from above, whether the tanker is parked or moving, or which is within 1 m of a liquid-carrying component of the pumping system, shall be protected from such spillage by a metal shiel
25、d. Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 11 Dec 2008 5 AS 2809.22008 www.standards.org.au Standards Australia (b)The distance between the shield and any hot part of the engine or exhaust shall be not less than 50 mm. (c)The distance between the shield and any cargo-carrying component shall be
26、 not less than 75 mm. (d)The shield for a vertical exhaust pipe shall extend as nearly as practicable to the full height of the pipe, but not lower than the top of the cabin, and shall be sealed to it liquid-tight at the top. Any openings or perforations for ventilation shall be located on the side
27、remote from the tank. 1.7.2 Propulsion engine exhaust The engine exhaust system shall comply with the appropriate requirement of AS 2809.1 and the following requirements: (a)The exhaust system shall not run beneath a tank unless shielded (see Clause 1.7.1). (b)The exhaust shall discharge behind the
28、cabin and forward of the tank, at a level not lower than the top of the cabin and at least 1 m from any tank opening, or on the right-hand side of the vehicle, sideways and forward of the front wheels, or not more than 150 mm behind the front wheels. (c)The exhaust shall not be discharged into a Zon
29、e 1 hazardous area. NOTE: Other authorities may require special exhaust arrangements to suit their defined area of operation, such as airports. 1.7.3 Auxiliary engines Auxiliary engines and all their attachments shall be suitable for the hazardous area in which they are to operate. 1.7.4 Stowage of
30、hoses and other equipment All accessories and removable equipment that are fitted to the road tank vehicle (e.g. hoses in hose trays; fire extinguishes in ready-access tubes), shall be restrained in order to prevent their ejection from the vehicle in an accident. For example, hose trays should be fi
31、tted with enclosed ends to restrain hose couplings; and fire extinguisher tubes should be fitted with release catches. NOTE: In the event of a rollover, unrestrained accessories can puncture the tank shell if they become trapped between the shell and any hard surface. Accessed by UNIVERSITY OF SOUTH
32、 AUSTRALIA on 11 Dec 2008 AS 2809.22008 6 Standards Australia www.standards.org.au S E C T I O N 2 T A N K S , A C C E S S O R I E S , A N D C O M P O N E N T S 2.1 MATERIALS 2.1.1 Standards Materials used in the construction of tanks shall be not less than the grades specified in the following Stan
33、dards: (a)For steel: AS/NZS 3678, AS/NZS 3679.1. (b)For aluminium alloys: AS/NZS 1734, AS/NZS 1866, AS 1874. 2.1.2 Suitability Materials shall be suitable for the conditions of use, and in particular shall be compatible with adjacent materials and with the cargo. 2.2 TANK DESIGN AND CONSTRUCTION 2.2
34、.1 Design criteria The tank and its supports and connections shall be designed in accordance with AS 3990, AS 4100 or AS/NZS 1664, Parts 1 and 2, as appropriate, with the following qualifications: (a)The design load for the tank and its attachments shall be not less than twice the total mass of the
35、tank, its accessories, and its cargo. The mass of the cargo shall be calculated from its actual density or 1000 kg/m3, whichever is the greater, and the maximum gross loading (capacity less minimum ullage as defined in ADG Code). (b)Stresses due to internal pressures caused by liquid head and vapour
36、 pressure shall be added to the static load stresses. The vapour pressure shall be 20 kPa for small- compartment and large-compartment non-circular tanks, or 30 kPa for other large- compartment tanks. (c)Loadings caused by the weight of equipment, the reactions at supports, and thermal gradients sha
37、ll be taken into account. (d)Unless fatigue resistance has been demonstrated by field experience or supervised tests, fatigue stresses shall be calculated and added to the stress calculated for the stationary vehicle. The calculation shall be based on the following values at constant amplitude: (i)V
38、ertical 0.6g. (ii)Longitudinal. 0.4g. (iii)Lateral . 0.4g. Fatigue stresses shall be calculated and added to the stress calculated for the stationary vehicle. For aluminium alloy, the total stresses shall not exceed the design stresses given in AS/NZS 1664, Parts 1 and 2 for 5 106 cycles and the app
39、ropriate stress ratios for the design load of the tanker. For steel, the total stresses shall not exceed the design stresses given in AS 4100, for the calculated number of cycles and the appropriate stress range. For aluminium alloys, the maximum allowable stress values should be determined by apply
40、ing AS/NZS 1664, Parts 1 and 2. Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 11 Dec 2008 7 AS 2809.22008 www.standards.org.au Standards Australia NOTES: 1AS/NZS 1664, Parts 1 and 2 give suitable factors of safety for loads that are substantially static loads, i.e. loads that do not repeat themselves
41、 for more than 100 000 times in the life of the vehicle, and they also give safe design stresses to cover all fatigue conditions from 100 000 cycles up to 5 000 000 cycles, at which point the endurance limit is virtually reached. 2The load ranges given are for the normal range of operation expected
42、for road tank vehicles, however, the manufacturer must be satisfied that they are adequate when designing for nonmetalled roads and outback operation. For steel, the maximum allowable stress values should be determined by applying AS 4100. (e)Where applicable, a vector summation of loads shall be ma
43、de. (f)The thickness of the shell, heads, bulkheads and baffles shall be not less than that specified in Table 2.1. NOTES: 1The thicknesses specified for aluminium alloy sheet are based on aluminium alloy 5454 in the H32 temper condition. This has an unwelded tensile strength of 248 MPa, and a welde
44、d tensile strength of 213 MPa. If other alloys with a lower welded tensile strength are used, the temper is to be at least H32 or T6, and the shell thickness is to be increased in the ratio 213/welded tensile strength of the alloy used. If the alloys used have a higher welded tensile strength than t
45、hat of alloy 5454, the thickness may not be decreased, but tempers may be lower than H32 provided that the tensile strength is at least 248 MPa. 2The values for fatigue factors and thickness are suitable for normal highway conditions, but may need to be increased if the tanker is subjected to freque
46、nt use on rough roads. 3The thicknesses for heads and bulkheads for large-compartment tanks may be reduced to equal the shell thickness provided that a calculation for head thickness carried out in accordance with AS 1210 indicates that it is safe to do so. 2.2.2 Tank shape and size For tank shape a
47、nd size, refer to Table 2.1. 2.2.3 Large compartment non-circular tanks 2.2.3.1 Side plates The side plate for large compartment non-circular tanks is defined as that section of the shell plate between the horizontal line drawn at the tanker crosssection centroid and an arc, centred at the centroid
48、40 above and below the horizontal line. The remainder of the shell plate shall be taken from Table 2.1 under the small compartment tank columns. 2.2.3.2 Minimum allowable side plate thickness Minimum allowable side plate thickness of large compartment non-circular tanks shall be calculated from the
49、following equation: T = P + 8600 8600)capacitytcompartmenK(gross 1 . . . 2.1 where T = the minimum required side plate thickness for the tank (required to be the full length of the tank, even if only one compartment is a large compartment), in millimetres K = 0.3 Gross compartment capacity, in litres Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 11 Dec 2008 AS 2809.22008 8 Standards Australia www.standards.org.au P = the minimum plate thickness required for any part of the side plate according to Tab