أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
flush tank or flush valve WC
types of fixture
no. of water fixture unites
time needed to empty the tank at pick time
Volume of the water reservoir = Number of population whom residence in the building multiplied by the individual rate of consumption water in the region plus fire demand .
