Alterative solution required to meet the BCA - 3.4.1 Report

Alterative solution required to meet the BCA - 3.4.1 subventalation Example of the alternative solution for celling heights attached but now I need one for subventalation done. The following works have been done in the property as per attachment. The job will be awarded within 24hours and expected report to start straight away and submit with in 48hours. Must be accredit certifier to do this work. The job is located in 39 Brown Street newtown can you can find all the details from the example attached already done by another certifier for the same job. Photos can be attached of the existing vents installed. The location of them have been attached. Must be Australia base and you can contact me 0414 668 240 This work is very urgent so no time wasters.