Structural Subcommittee
CODE ADVISORY COMMITTEE
Regular Meeting of the
Structural Subcommittee
DATE: August 7, 2002 (Wednesday)
TIME: 2:00 p.m. to 4:00 p.m.
LOCATION: 130 Sutter Street, Suite 600 (AIA Office)
This Subcommittee meets regularly on the first Wednesday of each month at 130 Sutter Street, Room 600. (AIA Office). If you wish to be placed on a mailing list for agendas, please call (415) 558-6205.
Note: Public comment is welcome and will be heard during each agenda item. Reference documents relating to agenda are available for review at the 1650 Mission Street, Suite 302. For information, please call David Leung at (415) 558-6033.
draft MINUTES
Present Excused Absent
Jim Guthrie, S.E. Ned Fennie, AIA
Michael Fretz, S.E.
Other Present
David Leung, DBI
1.0 Call to Order and Roll Call
Members: Ned Fennie, AIA; Michael Fretz, S.E.
Meeting was called to order at 2:15 p.m. Quorum established with 2 members present.
2.0 Approval of the minutes of the Structural Subcommittee regular meeting of July 3, 2002.
Jim proposed to amend the minutes by revising the 3rd paragraph of item 4.0 to read as follows:
Our discussion on inspection on deterioration of existing wood decks would be reported to CAC.
3.0 Discussion of SFBC Section 3403 on Seismic Triggering.
Ned’s revised flowchart diagram on seismic triggering was discussed. Dave had forwarded to Hanson Tom and Laurence Kornfield a copy of the diagram for review.
The purpose of the diagram is to serve as tool for CAPSS, or as an Administrative Bulletin.
The box: “Build new area and common elements to CBC Standards/Continue vertical load paths to foundation are adequate w/ new loads, upgrade if required” was discussed. It was questioned whether seismic upgrade to full CBC Standards is required for vertical addition. The new addition itself needs to meet full CBC Standards ,but the lower portion may be designed for seismic forces of not less than 75% of CBC Standards. Furthermore, near field factors, load factors, deformation, separation limitation, height-to-length ratio, R, etc. may be as per SFBC Section 1605.4.3.
Also “vertical load paths” need to be clarified since lateral loads are also involved.
It is also suggested to delete the boxes “Is the renovation project contained an entirely on one floor? “ and “Upgrade of floor of Project and all floors below to SFBC standards.”
(SFBC 3405)
4.0 Continue discussion on inspection on deterioration of existing wood decks.
No discussion.
5.0 Subcommittee Member and Staff’s identification of new agenda items, as well as current agenda items to be continued to another subcommittee regular meeting or special meeting. Subcommittee discussion and possible action regarding administrative issues related to building codes.
No new agenda item. Current item 3.0 and 4.o will be continued in next regular meeting on 9/4/02.
6.0 Public Comment: Public comment will be heard on items not on this agenda but within the jurisdiction of the Code Advisory Committee. Comment time is limited to 3 minutes per person or at the call of the Chair.
No public comment.
7.0 Adjournment.
The meeting was adjourned at 2:50 p.m.