Floor PCC work technicalities during grey structure
Brick ballast is made by crushing the clay bricks into small pieces of approximately 40mm to 50mm in size. Bricks used for crushing are slightly over burnt or left over half cut bricks on site during brickwork masonry. It is used under the floor PCC that is laid on compacted earth-fill. Brick blast should be made from "Awwal" A class bricks, as the strength of floors is heavily dependent on quality of brick ballast. …