BOS 103:2005
Pre-cast cocrete kerbs
Licence No : SM/07-01
Valid from 29 January 2007
Expires on 28 January 2010
BOS 73:2004
Cocrete non-pressure pipes
Licence No : SM/07-05
Valid from 28 August 2007
Expires on 27 August 2010
BOS 74:2004
Cocrete reinforced culverts
Licence No : SM/07-06
Valid from 28 August 2007
Expires on 27 August 2010