BRITISH STANDARD BS EN ISO 22476-3:2005 A1:2011 Incorporating corrigendum February 2007 Geotechnical investigation and testing- Field testing- Part 3:Standard penetration test ICS93.020 BSi NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Coovriaht Brtish Standards British Standards Prowided by IHS under icense with BSI-Uncontrolled Copy No reproduction or networking permithed wihout ioense from IHS Not for Rosale BS EN ISO22476-3:2005A1:2011 National foreword This British Standard is the UK implementation of EN ISO 22476-3:2005A1:2011.It is identical to ISO 22476-3:2005 incorporating amendment 1:2011.It supersedes BS EN ISO 22476-3:2005 which is withdrawn. The start and finish of text introduced or altered by amendment is indicated in the text by tags.Tags indicating changes to ISO text carry the number of the ISO amendment.For example text altered by ISO amendment 1 is indicated by. The UK participation in its preparation was entrusted by Technical Committee B/526 Geotechnics to Submittee B/526/3 Site investigation and ground testing. A list of organizations represented on this Submittee can be obtained on request to its secretary. The test in this standard is included in BS 1377-9:1990(subclause 3.3) which is now withdrawn.Its use is covered in BS 5930:1999 clause 25.2 where there is reference to BS 1377-9:1990 clause 3.3. BS EN ISO 22476-3:2005A1:2011 should now be used instead. It should be noted that the new test method requires a calibration of the equipment for energy ratio (ratio of the actual energy to the theoretical energy of the hammer). This publication does not purport to include all the necessary provisions of a contract.Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments/corrigenda issued since publication This British Standard was Amd.No. Date Comments published under the authority of the Standards Policy and Strategy Commi...