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Chair Olson asked Ms. Hardy if the $30,000 to $40,000 in added costs runs inversely or directly relational to the square footage increase. Ms. Hardy replied that these numbers are based on the average square footage costs and actual costs of two of their housing projects. She indicated that she was not sure what the average square footage breakdowns are and added that there is no scale of economy on homes. She noted that it was not just dollars -per- square -feet but rather the existence of many other variables that must be considered, most notably a lot of site work. She provided as an example, the fly ash requirement and its unintended consequences. She stated that their structural engineers will not let them do 20- percent fly ash, which means that they will have to go to a thickened slab for the driveway so they can add the 20- percent fly ash, which then increases excavation costs by a couple of inches and more concrete. Commissioner O'Connor inquired whether the $30,000 to $40,000 would apply either to a 2,000- square- foot home or a 5,000- square- foot home. Ms. Hardy replied that homes in the Village range from 1,900 square feet to 2,900 square feet. She reiterated that there are flat costs independent of construction costs which do not have to do with square footage. THE PUBLIC HEARING WAS CLOSED. With respect to the addition of PV- ready, Commissioner Pearce expressed concern about valuing it over some of the other green requirements. She indicated that she is comfortable keeping it as an elective rather than making it mandatory. Chair Olson stated that he concurred with not making PV -ready mandatory and that there should be flexibility. Commissioner Narum stated that the only reason she thinks it needs to be considered is that there are some things that need to be incorporated during the building construction stage. She noted that Condition No. 26 for the earlier project identifies roof trusses that handle the additional load per square foot; she pointed out that it would be tough to return and retrofit if someone decided later on that they wanted to do that. She indicated that the only reason she thinks this should be a consideration is that it would be a lot easier to do it up front as part of the construction. Commissioner Blank noted that one of the electives is to install a solar photovoltaic system, and another is to install solar water heating system that complies with solar rating and certification corporation. He noted that the other two electives are photovoltaic: "Based on the roof surface and penetrations through the roof surface are provided for future solar installations," which he said the City has never required; and "A minimum one -inch conduit is provided from the electrical surface equipment for the future installation of photovoltaic system," which sounds more like what the City has required. He pointed out that three of the four electives are all about photovoltaic and EXCERPT: PLANNING COMMISSION MINUTES, September 29, 2010 Page 13 of 15