Extra over item No. 10.1 to 10.13 when work is done in situ in small quantities not exceeding 0.30 cum per block in situ such as staggered blocks, arrows, concrete block over inverted filters, bed plates arches etc.
Extra over item No. 10.1 to 10.13 when work is done in situ in small quantities not exceeding 0.30 cum per block in situ such as staggered blocks, arrows, concrete block over inverted filters, bed plates arches etc.