ISO INTERNATIONAL STANDARD 1496-2 Sixth edition 2018-11 Series 1 freight containers - Specification and testing Part 2: Thermal containers Conteneurs de la serie 1Spécifications et essaisi- Partie2:Conteneurs acaracteristiquesthermiques Reference number ISO 1496-2:2018(E) tso @ISO 2018 IS0 1496-2:2018(E) COPYRIGHTPROTECTEDDOCUMENT @IS02018 All rights reserved.Unless otherwise specified,or required in the context of its implementation,no part of this publication may pereproducedorutilized otherwisein anyformorbyanymeans,electronicormechanical,including photocopying,orposting on the internet oran intranet,without prior written permission.Permission can berequested from eitherIsO at the address beloworIso'smemberbodyinthecountryoftherequester e-cnght-oiee CP 401 . Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone:+4122749 0111 Fax:+41227490947 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2018 - All rights reserved IS01496-2:2018(E) Contents Page Foreword. .V 1 Scope 1 2 Normativereferences 1 3 Terms and definitions .1 4 Classification .3 5 Marking. .3 6 Dimensions and ratings .4 6.1 External dimensions .4 6.2 Internal dimensions. .4 6.3 Ratings. 4 7 Design requirements. 5 7.1 General. .5 7.2 Corner fittings. 6 7.3 Base structure 6 7.4 Endstructure 7 7.5 Side wall structure 7 7.6 Walls. 7 7.7 Dooropening 7 7.8 Sanitary and taint-free requirements. 7 7.9 Reguirements for optional features 8 7.9.1 Fork-lift pockets. 8 7.9.2 Goosenecktunnels 8 7.9.3 Drains .8 7.9.4 Water connections 8 7.9.5 Picture frames 8 96Z Modified/controlledatmospheres 8 7.9.7 Fresh air ventilation control .9 86Z Humidity control. 9 7.9.9 Load line 9 7.9.10 Floor.. .9 7.9.11 Air circulation .9 8 Testing .9 8.1 General 9. 8.2 Test No. 13 - Airtightness test. 11 8.2.1 General. 11 8.2.2 Procedure. 11 8.2.3 Requirements 11 8.3 Test No.14 -Heat leakage test 11 8.3.1 General. 11 8.3.2 Procedure 12 8.3.3 Heat leakage calculation 14 8.3.4 Requirements 14 8.4 Test No.15a)-Test oftheperformanceofathermal containerunder refrigeration by a mechanical refrigeration unit (MRU) 14 8.4.1 IGeneral. 14 8.4.2 Test conditions. .15 8.4.3 Test procedure .15 8.4.4 Requirements .15 8.5 TestNo.15b) Functionaltestofathermal containerathighambient temperatures while being cooled by a mechanical refrigeration unit (MRU) .16 8.5.11 'General. 16 IS02018-Allrightsreserved ili