i am the chair, aaron peskin, joined to my right by vice chair supervisor ahsha safai and to my left supervisor mat haney. miss clerk, do you have any announcements? >> clerk: yes. please be sure to silence any phones or electronic devices. items acted on today will appear on the november 5 board of supervisors calendar against otherwise stated. >> chair peskin: miss clerk, could you read items 1 through 5 together. >> clerk: yes. [agenda items read] >> chair peskin: thank you, ms. major. this is our tri-annual update to the aforementioned codes which requires their appeal and enactment of new 2019 editions. here on behalf of the department of building inspection, we have bill stron and michelle yu if you would like to present on items 1 through 6, none of which seem to be very substantive in nature, but the floor is yours. miss yu? >> good afternoon, chair peskin and committee members. i am michelle yu, and with the help of d.b.i. staff, i am responsible for helping customers with code questions, interpretation to the code as well as lead the code advisory committees. agenda items 1