Active job

Ventilation Design and Installation

I have a property at 45 Durham sth st, Christchurch that i am changing the use to a gym I am getting a fire report done at the moment, which has said the buildings occupancy is 121, I need a PS1 design done and then the supply and installation of a ventilation system, I would also like to know that cost to add heating/cooling onto this Proposed plan of ground floor image of the warehouse attached