amendments to the construction ordinance and draft resolution file 2014-08-coe) sponsor: commissioner johanna wald; speakers: wade weitgrefe, planner, san francisco planning department; jessica range, senior planner, planning department, and jonathan piakis, industrial hygienist/noise control officer, department of public health (15 minutes) (discussion and action) >> joining us from the planning department, and just kind of in the spirit of some of the conversations that i heard earlier, and this has really been an effort between our departments and the department of the environment and william and bob that we have been working with and we have done tons of out reach with the other city departments in trying to update this, ordinance, and so, this presentation, will be similar to what i gave at the policy subcommittee back in march. this is a health protective ordinance and it deals with the exhaust from the construction equipment. and air pollution is one of the leading environmental causes of cancer deaths, as recognized recently by a world organization of leading scientists that it is, or carc