California Building Codes For Chimney Height

vawn

We are a design and build firm - and just got a print rejected by the City of San Jose because we didn't extend the chimney height by 2 ft above the second story addition ridge height that we are putting in. My husband (Vawn - whose name is in this forum) feels pretty strongly that there is also a maximum chimney height, and the height spec only applies if the chimney is within so many feet of the addition. Ours is on the other side of the house!

Does anyone know the appropriate UBC code number that applies to this? I have been reading the code book for many hours

Tscarborough

Don't know California code, but as a rule of thumb to allow the chimney to draw, it is 2' above or more than 10' away from the ridgleline.

denick

In CT, MA, NY it is 2' above the ridge or 2' above the height that the chimney is 10' away from the horizontal intersection with the roof.

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Nick

"Every day I remind myself that my inner and outer life are based on the labors of other men, living and dead, and that I must exert myself in order to give in the same measure as I have received and am still receiving" Albert Einstein

jmic

A+ Nick

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Joe

vawn

I reread the California code, and it has a 10 in the table so I will take that to mean that this is the point 10' away from the ridgeline. The city plan checker was trying to tell me it had to be 2" above the highest point of the addition, which meant it would be a steeple and not a chimney!!!

denick

To try and be clearer. If the chimney is on the lowest point of the roof, farthest away from the ridge you need to go up in height until you are 10' away from the roof measured on a level plane. and then go 2' higher than that. You could be 10' lower than the closest ridge.

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Nick

"Every day I remind myself that my inner and outer life are based on the labors of other men, living and dead, and that I must exert myself in order to give in the same measure as I have received and am still receiving" Albert Einstein