QOD- 12/22/2006 ( Chimneys & Fireplaces ) IRC 2003

[John Bowman]

Paul,

I found it. The code is R1001.6

R1001.6 Firebox dimensions. The firebox of a concrete or masonry fireplace shall have a minimum depth of 20 inches (508 mm). The throat shall not be less than 8 inches (203 mm) above the fireplace opening. The throat opening shall not be less than 4 inches (1022 mm) deep. The cross-sectional area of the passageway above the firebox, including the throat, damper and smoke chamber, shall not be less than the cross-sectional area of the flue.

Exception: Rumford fireplaces shall be permitted provided that the depth of the fireplace is at least 12 inches (305 mm) and at least one-third of the width of the fireplace opening, that the the throat is at least 12 inches (305 mm) above the lintel and is at least 1/20 the cross-sectional area of the fireplace opening.

Great question. Thanks...Looks like it was a simple typo...No problem.

[Paul W. Abernathy]

Glad you found it John...in my 2003 IRC One and Two Family Dwellings Manual it is R1003.6

Which version were you using again.....it should be on page 268 if you have the spiral back version.

My R1001.6 is for Termination.

[John Bowman]

Paul,

IRC 2006 (Soft Cover), Chapter 10- Chimneys and Fireplaces, page 301, Code R1001.6. Guess it has changed. Cool. Now everyone has two references.

[Larry D. Kage]

Exception: Mr. Rumford is happy...

[Paul W. Abernathy]

Originally Posted by jbowman

Paul,

IRC 2006 (Soft Cover), Chapter 10- Chimneys and Fireplaces, page 301, Code R1001.6. Guess it has changed. Cool. Now everyone has two references.

Most excellent John....I was going to buy me a 2006 IRC very soon....I like keeping them handy in the van and office...we are still on the 2003 here but that is changing very soon....virginia is always behind on everything