Construction Types/SubTypes

[KZQuixote]

In the beginning there were nine construction types. Do the various subtypes ( A's VS B's ) have anything in common? Or is IIA just more "II" than a IIB?

That would be the question.

Bill

 

[steveray]

I believe the answer you are looking for is Table 601....A's are more "protected" and B's less....I think that is the short version...

 

[High Desert]

If you look at Table 601, the "A" designation has fire resistive requirements while the "B" designation does not. The exception is I-B which is basically the old Type II-FR from the UBC, and III-B requires the exterior walls to be rated.

The UBC and IBC use different terms but are basically the same. See the camparison below.

UBC I-FR II-FR II-1 hr II-N III-1hr III-N IV-HT V-1hr V-N

IBC I-A I-B II-A II-B III-A III-B IV V-A V-B

 

[KZQuixote]

Thanks Guys,

I'm going to take the ICC Commercial Contractor Class A exam (614) soon and am determined to do well. I'm sure I'll have many more questions before I'm ready.

Thanks in advance for your patience.

Bill

 

[Yikes]

This may sound silly, but for exam memorization purposes, it always helped me to think of Type III buildings like an egg: hard shell on the outside, soft on the inside, in terms of fire resistance.