Extra over item No. 20.3, 20.4 and 20.5 as the case may be for adjusting crest lev 1:2:4 cement concrete when raising of the crest level is involved.H’ upto 0.5m
Extra over item No. 20.3, 20.4 and 20.5 as the case may be for adjusting crest lev 1:2:4 cement concrete when raising of the crest level is involved.H’ upto 0.5m