How many entrances to the building should be accessible?

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    Derek Mason

    It is correct that the minimum is one entrance. Because 2/3 or 60% of 1 is 1. 2/3 of 2 entrances is 1. Now 2/3 of 3 total entrances is.....wait for it....2. And so forth. Do note that it is the public entrances and those that are required to be accessible would also have to be a part of the accessible route. 

    You are also correct with the most stringent applies. Yet, the ADA is NOT code. It a civil law which is enforce by lawsuits, or precisely a court ruling. Hence, a lift must be installed in a pool for public use. I've done enough hotel design to know this.  

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    Kirill Ryadchenko

    Derek Mason, thank you for your response. But It is still not clear which answer would be valid response at ARE exam. 
    Out of 4 entrances to the building how many should be accessible?

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    Kevin Griendling

    Kirill,

    60% of 4 is 2.4. You must always round up while calculating for elements of minimum quantity measured in integers, therefore, the answer is 3.

    Derek is incorrect in his calculation that 2/3 of 2 entrances is one. 60% of 2 entrances is 1.2 which would round up to 2.

    1 ... 60% = 0.6 ... 1

    2 ... 60% = 1.2 ... 2

    3 ... 60% = 1.8 ... 2

    4 ... 60% = 2.4 ... 3

    5 ... 60% = 3.0 ... 3

    ...and so on.

    Notice how each entrance the count rises 0.6, so perhaps that an easier value to remember than thinking in terms of percentages instead of quantity. It helps me at least...

     

    Good luck on the exam!

     

    Kevin Griendling, AIA

    http://xQ.intersectartsstudio.com 

    https://app.pluralsight.com/profile/author/kevin-griendling 

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    Derek Mason

    Kevin,

    Thank you for correcting me. I was being lazy and quick with using the 2/3 mode. 

    I do know that NCARB would give you all the information you need on the exam to make the best decision for the exam. If I'm wrong on that one, please correct me. 

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    Kevin Griendling

    Derek,

    You are correct that they will give you all of the information you need to know, but this is a methodology. One needs to learn and remember that minimum quantity measured in integers will always round up.

     

    All the best!

     

    Kevin Griendling, AIA

    http://xQ.intersectartsstudio.com 

    https://app.pluralsight.com/profile/author/kevin-griendling 

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