ICC CODES - PUBLIC COMMENT FORM
ICC CODES - PUBLIC COMMENT FORM
FOR PUBLIC COMMENTS ON THE 2012 REPORT
OF THE PUBLIC HEARINGS ON THE 2012 EDITIONS OF:
International Building Code©
Fire Safety (FS)
General (G)
Means of Egress (E)
Structural (S)
International Fuel Gas Code© (FG)
International Mechanical Code© (M)
International Plumbing Code© (P)
International Private Sewage Disposal Code© (PSD)
CLOSING DATE: All Comments Must Be Received by: August 1, 2012
1) Please type or print clearly: Public comments will be returned if they contain unreadable information.
|Name: |Jonathan Siu |Date: |6/28/2012 |
|Jurisdiction/Company: |City of Seattle, Department of Planning & Development |
|Submitted on Behalf of: |Washington Association of Building Officials, Technical Code Development Committee |
|Address: |700-5th Ave, Ste 2000; PO Box 34019 |
|City: |Seattle |State: |WA |Zip +4: |98124-4019 |
|Phone: |206-233-5163 |Ext: | |Fax: |206-386-4039 |
|e-mail: |jon.siu@ |
2) Copyright Release: In accordance with Council Policy #28 Code Development, all Code Change Proposals, Floor Modifications and Public Comments are required to include a copyright release. A copy of the copyright release form is included at the end of this form. Please follow the directions on the form. This form as well as an alternative release form can also be downloaded from the ICC website at . If you have previously executed the copyright release, please check the box below:
X 2012-2014 Cycle copyright release on file
3) Code Change Proposal Number:
Indicate the Code Change Proposal Number that is being addressed by this Public Comment: ___G109-12
4) Public Comment: The Final Action requested on this Code Change Proposal is: (Check Box)
| | |Approved as | |X | |
| | |Submitted (AS): | | | |
|A |B |Ad |B |Ad |B |HT |Ad |B | |(No change) | | | | | | | | | | |(No change) | | | | | | | | | | |(No change) | | | | | | | | | | |(No change) | | | | | | | | | | |Floor construction and associated secondary members (see Section 202) |2h |2h |1 |0 |1 |0 |HT |1 |0 | |(No change) | | | | | | | | | | |a – g. (no change)
h. The fire-resistance rating for mezzanines constructed in accordance with Section 505.2 need not exceed 1 hour.
Commenter’s Reason:
The code is ambiguous as to the requirements for fire-resistance rated construction for mezzanines. In buildings of Types I and II construction, interpreting the code to require mezzanines to meet the floor construction requirements appropriately provides non-combustible construction, but the 2-hour rating for Types IA and IB seems to be onerous for a mezzanine.
The Fire Safety Committee disapproved the originally submitted proposal because they felt there should be a better relationship to Section 601 (rather than reproducing Section 601 in the mezzanine section), and because the original proposal did not deal with heavy timber construction.
In response to the committee comments, we are now proposing the allowance for the 1-hour fire resistance rating for mezzanines be placed in a footnote to Table 601. The footnote only applies to Types IA and IB construction, since they are the only types of construction that need the allowance. The result is mezzanines in types of construction other than Types IA and IB merely conform to the requirements for that particular type of construction. This will accomplish the intent of the original proposal in a simpler, more direct manner.
It is to be noted that the cross-reference in the proposed new Section 505.2.4 is still necessary because the definition for “mezzanine” does not indicate they are to be treated as floors for the purposes of type of construction.
Note to ICC staff: if G109-12 and G110-12 are both approved as modified by public comment (AMPC), footnote h on each proposal could be editorially combined into one footnote as follows:
h. The fire-resistance rating for mezzanines and equipment platforms constructed in accordance with Section 505.2 or 505.3, respectively, need not exceed 1 hour.
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