North Star trying to figure out if there's a typo in the book or not. You gave the correct answer to the question I posted earlier. But I am trying to figure out how you got the answer. You used .15 watts per sq. ft for the parking area, table 505.6.2(2) gives an allowance of .13 watts per sq. ft. Howver in the study guide they used .15 in a sample equation. Wher is the .15 coming from?
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North Star
- Thread starter fiddler
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north star
Sawhorse
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fiddler,
I believe that **TJacobs** posted the calculations.......I too am
wondering where he obtained 0.15 watts/per sq. ft from.
He may be witholding the answer like **jar546** does
occasionally! :devil
$ $
fiddler,
I believe that **TJacobs** posted the calculations.......I too am
wondering where he obtained 0.15 watts/per sq. ft from.
He may be witholding the answer like **jar546** does
occasionally! :devil
$ $
north star
Sawhorse
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fiddler,
In the ASHRAE 90.1 Standard, `07 Edition, Table 9.4.5 - Lighting
Power Densities for Building Exteriors, provides the 0.15 watts
sq. ft. variable.
It is my understanding that either the ASHRAE 90.1 Standard is
to be adopted and used, OR the IECC, but not both!....Has your
AHJ adopted one or the other of these standards?
I would say that, ...based upon your review of the study guide
that you are referencing, that the study guide used the 0.15
watts/sq. ft. from the ASHRAE 90.1 Standard and NOT from
the `09 IECC.......Sounds like a telephone call to ICC is in order.
* *
fiddler,
In the ASHRAE 90.1 Standard, `07 Edition, Table 9.4.5 - Lighting
Power Densities for Building Exteriors, provides the 0.15 watts
sq. ft. variable.
It is my understanding that either the ASHRAE 90.1 Standard is
to be adopted and used, OR the IECC, but not both!....Has your
AHJ adopted one or the other of these standards?
I would say that, ...based upon your review of the study guide
that you are referencing, that the study guide used the 0.15
watts/sq. ft. from the ASHRAE 90.1 Standard and NOT from
the `09 IECC.......Sounds like a telephone call to ICC is in order.
* *
Last edited by a moderator:
Gregg Harris
Saw Horse
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- Jan 17, 2012
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- 934
I have two separate Tables 505.6.2 that shows 0.15 and the other for Virginia that is 505.6.2.2 that allows for zones 1 through 4 showing 0.04/0.06/0.10/ and 0.13
north star
Sawhorse
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My `09 IECC, Table 505.6.2(2) is the same as **Greg Harris** Virginia Code.
Zone 1 = 0.04
Zone 2 = 0.06
Zone 3 = 0.10
Zone 4 = 0.13
In my `06 IECC, ...the amount is 0.15 for all "Uncovered Parking Area" applications!
& &
My `09 IECC, Table 505.6.2(2) is the same as **Greg Harris** Virginia Code.
Zone 1 = 0.04
Zone 2 = 0.06
Zone 3 = 0.10
Zone 4 = 0.13
In my `06 IECC, ...the amount is 0.15 for all "Uncovered Parking Area" applications!
& &
Last edited by a moderator: