1. Supervision of Supply, Installation, Operation and Maintenance of 300 RT capacity DUNHAM-BUSH Brand Precession Central air-conditioning Project as Assistant Project Engineering at Grameenphone Switch ,Faridpur.
2. Supervision& commissioning of 5 RT capacities Precision Environment Control DUNHAM-BUSH Brand A/C at British-American Tobacco, Mohakhali, Dhaka
3. Supervision of Supply& Instillation 1060 RT capacity DUNHAM-BUSH Brand Central air-conditioning Project at “Tokyo Square” of Japan Garden City, MOhammedpur, Dhaka as a Project Engineer.