#Staircase # Design # تصميم # السلالم Staircase quantity work ... (staircase) Base Toe wall L X B X H x 30 cm x 23 cm x x = cu. Meter No. of Toe wall is one Therefore, total volume of Toe wall = x 1 = cubic meter Waist slab of flights Volume = L X B X H Length of waist slab = L = meter Breadth of waist slab = meter Adding ...