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Cross Laminated Timber in 2015 IBC / 2016 CBC?

Y

Yikes

SAWHORSE
Joined
Nov 2, 2009
Messages
4,105
Location
Southern California
I seem to recall a few years ago some anticipation that cross Laminated Timber would be allowed in the 2015 IBC, and they mention section 2303.1.4. I've looked at the latest version and it doesn't specifically say "cross laminted timebr", but it does say "wood structural panels shall conform to the requirements for their type in DOC PS 1, DOC PS 2 or ANSI/APA PRP 210".

Do you think think implies an acceptance of CLT in the model code?
 
There were a number of code proposals that just went through the 2018 Code cycle concerning CLT. As to what makes it through after the Online Consensus Voting, we will know shortly.
 
CLT is in the 2015 IBC. Various places in 602. BTW, they are pushing this hard at the college level for CM degrees.
 
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Thanks everyone. Unfortunately, this project is in the city of LA, which takes an extra year to adopt the 2015 IBC, so I won't be able to use CLT there until 2018.
 
Yikes,
Doesn't the city of LA with there code amendments have the same effective date as the CBC? If yes, you only need to wait a couple weeks. The 2016 CBC is effective on 1/1/17
 
LA is assumed to be in California.

California adopts a new building code every three years. The 2016 California Building Code is based on the 2015 IBC and will go into effect January of 2017. This means that on this date the 2016 CBC will go into effect in LA even if the City of LA does nothing. The only thing that the City of LA can do is adopt some limited local amendments.
 
Mark K said:
LA is assumed to be in California.

California adopts a new building code every three years. The 2016 California Building Code is based on the 2015 IBC and will go into effect January of 2017. This means that on this date the 2016 CBC will go into effect in LA even if the City of LA does nothing. The only thing that the City of LA can do is adopt some limited local amendments.
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The City of Los Angeles is a charter city not a general law city.
They can, and do, create their own Building codes.
 
The fact that LA is a Charter City would be relevant if the building code was considered a municipal affair. The appeals court rulings are very clear that building codes are not a municipal affair and the state has preempted the field of building regulation which means that the City can only do what the state allows.

The world changed about 1970. Before then local jurisdictions could do what they wanted. Since then the state takes the lead.

If the City of LA does not need the states permission then why have they filed local amendments with the California Building Standards Commission?
 
The citiy's code will be the 2017 LA Building Code, based on the 2016 on the 2016 California Building Code.
 
Mark K, the city of LA is indeed unique. For example, I just grabbed an old copy of the "1999 Los Angeles Building Code". On the 4th page it says that the "1997 UBC" was adopted as "1998 CBC" which became effective in the rest of the state on January 1st, 1999.
Los Angeles took its sweet time and adopted it as the "1999 LABC" and made it operative July 1, 1999, half a year after the rest of the state.
 
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Tall Wood Structures: Current Trends and Related Code and Standard Changes (DES600-1)
Date: March 16, 2017
Time: 1:55pm-3:30pm Eastern

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Primer for the Use of Cross-Laminated Timber (DES440)
Date: April 20, 2017
Time: 1:55pm-4:00pm Eastern

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