discussion as this issue came up and we actually were able to discuss with the zoning administrator carl sanchez, there is -- in term of the legal basis of the residential design guidelines, those do apply to districts within the rh and rm residential districts and all residential districts. however, this zoning district is the rfp district which is called residential commercial. and article 2 of the planning code makes the distinction between a residential district versus a residential commercial district. and with that distinction, the residential design guidelines does not apply to the rc district. that being said, in term of the department practice with the residential design team and also the urban design advisory team which has reviewed this project, it's seen as the design policy to shape this roof penthouses, keep them as minimal as possible because the intent of the code is it is a height exemption so they should not be really taking advantage of habitable space above the height limit. going back to the graphic, one attempt at the department [speaker not understood] is group the penthou