In-Zone-37 -Kerb stone installation is on going  contractor supervision  should aware of proper lifting techniques to avoid crushing injuries , the boom truck operator is not aware of the weight of the kerbstone  to be lifted and there is no inspection of tag ( color code ) on the lifting accessories .  the web sling inserted through the concrete holes which leads to damage the web sling during continue  operation of lifting  due to sharpen of edges .
Hazard category: Lifting operations