Answer Posted / er.darshan

but we will not consider 9" brick masonry is sq.ft.
the measurement or payment unit is cu ft

if size of brick is Actual = 19*9*9 cm or nominal size = 20*10*10 ( with mortar joints )
so,
1m3 brick work 500 brick are required
volume of bricks = 500 ( size of brick , actual ya nominal )
hear i consider = actual size of brick = 19*9*9 cm

= 500 x ( 0.19 x 0.09 x 0.09 )
= 0.77 m3
= volume of mortar = 1 - 0.77
= 0.23 m3 ... wet volume
= 0.33 m3 .... dry volume.

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