>> i would like to defer to mr. sucre, if he's available. the concern is the objectivity of the design guideline in question. >> hi, commissioners. yes, happy to address the concern. yes, the issue that we have with the vinyl windows generally is an approach -- department does not recommend vinyl windows on the public facing facades in the general design policy. we have policy standards that provide loose guidelines that generally discourage windows, but there is no hard-and-fast rule that prevents us from using vinyl windows. generally, the profile's on them relative to the building. they tend to be flat, and good design buildings often have shadow and shade within them that are caused by the reveals within the buildings and the kind of ins and outs of a building, so you usually get better profiles with, for example, an aluminum window or definitely with a wood window or an aluminum clad window. we also seek and work with applicants to try to get other options. >> commissioner imperial: thank you, mr. sucre. it is safe for us, for the plann