- Volume 7 Issue 4
Grating is an installed structure on the road for drain. This paper proposes a new product which can prevent the accumulation of earth and sand through the improvement of Grating structure. There were usually harmful insects and bad smell because of accumulated garbage in the frame of previous product. The product had a reverse-flowing sewage due to the bad draining in case of rain. The whole thing of the existing Grating installed with the one set of frame and main body should be changed when it was damaged. This study is to develop a structure which can separate grating main body from frame and grating main body can equip and separate after fixing frame to the manhole with cement. also install jig for the loss prevention and change for the better.