I am working for a 35 storey tower. There are smoke extract and staircase/lift lobby pressurisation system in case of fire. Now consultant has already given the CFM required for these Fans, but I have to submit the calculations for the same to the Local Govt. authority.

So please help me if someone knows the calculation for the same.

Please tell me if any additional data is required.

Total Carpet area for typical floor: 13237 Sq. ft

Dharmit Sheth

i am working for a 35 storey tower. there are smoke extract and staircase/lift lobby pressurisation system in case of fire. now consultant has already given the CFM required for these Fans, but i have to submit the calculations for the same to the Local Govt. authority.

so please help me if someone knows the calculation for the same.

please tell me if any additional data is required.

Total Carpet area for typical floor: 13237 Sq. ft

Dharmit Sheth
Please contact mr. vinod sinha from Kingdom of Bahrain-00973 39331618

i am working for a 35 storey tower. there are smoke extract and staircase/lift lobby pressurisation system in case of fire. now consultant has already given the CFM required for these Fans, but i have to submit the calculations for the same to the Local Govt. authority.

so please help me if someone knows the calculation for the same.

please tell me if any additional data is required.

Total Carpet area for typical floor: 13237 Sq. ft

Dharmit Sheth
Check with your local fire dept or building safety for the min requirement, ask about how much air exchange is required per cubic ft of space,not sq ft