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Calculating Capacity / Width of exit doors


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Please can we have some guidance on interpreting ADB - this is for a brand new village hall so we are using ADB Vol. 2 and specifically looking at tables 2.2 and 2.3.

We have established and agreed with the architect that the capacity based upon 1m/person density is 165.

So looking at table 2.2, we need at least 2 exit doorways.

What we are struggling with is the widths.  Reading Table 2.3, we need to deduct the largest doorway and use the remaining door width for the calculation.

Does the remaining door width after we have discounted the largest then need to be no less than 1050mm as we have more than 110 but less than 220??

Please can anyone explain what Note 3 means when it says "Widths less than 1050mm should not be interpolated"?? 

Are we correct in saying the 5mm rule / person does not apply for any door width less than 1050mm too?  

Thank you in advance for your help / guidance.

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