
SERIES 600 EARTHWORKS
C1 (coal fly ash). 9 (02/16) Furnace bottom ash shall mean agglomerated pulverisedfuel ash obtained from the bottom of the power station furnace and having particle size no larger than 10 mm. Where furnace bottom ash is imported onto the site, it shall be aggregate complying with BS EN 13242 from source code C4 (coal bottom ash).