* Replacing tank bottom plates and / or annular plates
* Addition of extra shell course / s to an existing tank
* Provision of jacking equipment and jacking specialist
*Correcting tilt in tank as a result of foundation settlement
*Replacing cathodic protection
*Replacement of lower most shell course
* Building of field erected storage tanks
* Increase in tank capacity by adding shell rings or course
* Repair or replacement of tank bottom plate
*Repair to tank foundation
*Erection of other circular structures such as reactor shields in nuclear power stations, etc