In this project, there are three floors ( with multiple rooms with interior walls with doors) with multiple AHUs serving from 100% OA intake to 20% OA intake.
For the Flush Out time,
1) Should I sum up all the OA intakes of all the AHUs serving every floor and divide by the required OA flow (14,00 CF/SF multiply by floor area)?
or
2) Should calculate the flush out time by per AHUs (required total OA divide by the total OA intake by the particular AHU) and then add all the time taken by AHUs serving each floor?
Also,
3) Is the 60/60 data reading a mandatory? How elaborate is the documentations typically? Hobo readings in what intervals? Photographs?
4) Can I bring a total OA amount of the building area (all 3 floors) multiplied by 14,000 CF/SF in one AHU or in particular floor and not do the flush out in other floors or other AHUs? Would this qualify the credit requirements?
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