$(16\%)6.$ One $m^2$ of a concrete miature consists of $300kg$ cement, $1100kg$$$SD$ coarse aggregate, $750kg550$ fine agsregate and $150kg$ water.

The properties of materials are as follows:

Specific gravity of cement: $3\mathrm{.}15$

$\backslash$table$[[,$Absorptian Cap. $($$$),$Total moisture $($K$),$SSD Bulk specific gravity$],[$Course agsegate,$1\mathrm{.}2,2\mathrm{.}2,12\mathrm{.}7],[$Fine aderegate,$2\mathrm{.}7,4\mathrm{.}3,2\mathrm{.}45]]$

a$)$ Calculate the field weights of the materials in $1m^3$ concrete.