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one -story house, and their primary view corridor from their house is towards Pleasanton Ridge; the view out the front is of their neighbors, and they do not have a view out over the valley or of Stanley Boulevard and towards Mt. Diablo as everyone else on the street does. He expressed concern about the visibility both during the day and at night when the houses are going to be lit up. He indicated that as part of the workshop process, he would like to see story poles showing the maximum size of a house that can be built on a lot, including a stepped house. He inquired how many steps would be allowed on any given building pad. He noted that a house with two or three steps would effectively look like a 50 -foot tall structure, and adding another step or two would make it look really huge. Mr. Schmidt stated that the third issue is the siting of agricultural buildings on those lots. He indicated that he and his wife own horses, and they understand that people enjoy that kind of thing and want to encourage horse ownership and those kinds of activities. He noted, however, that the proposal does not prohibit somebody from building literally a 40 -stall barn of unlimited height that would be facing their house. He indicated that the square footage of these agriculture buildings needs to be clarified. He added that, as a horse owner, he knew that a property owner would not want to site a barn next to his or her house because of the smell and the flies, and, therefore, it would be put some distance away, as far away as possible from the house, which would mean typically pushing it down slopes; so there would be a very large visual impact with a house at the top and a huge barn below. Mr. Schmidt then inquired what standards the visual simulations would have to meet. He noted that this was an issue in the last proposal, where the visual simulations were viewed through a wide angle lens rather than what the normal human eye can see in order to minimize the apparent visual impact to the houses. He also brought up the elimination of the water pumping station supplying the City water tank above Grey Eagle Court and replacing it with a gravity feed from the Oak Grove property. He inquired if this would reduce the water supply to Grey Eagle for both potable water and for fire and indicated that he would like to see some kind of analysis or discussion on that. He then expressed concern about the noise and dust during grading and construction. Finally, he stated the need for a thorough Supplemental Environmental Impact Report (SEIR). Mary Roberts stated that about 20 feet of her property abuts the project site. She noted that the staff report states on page 7 that there will be approximately 50 acres around the developable area of each property which will be Rural Density Residential (RDR). She further noted that if the 50 acres outside the 10 building envelopes are designated RDR and are not 25- percent slopes, they could include quite a few more homes down the road. She added that she does not understand where the 86 acres of complete open space is and requested staff to identify where those acres are located. With respect to Ms. Goldade's request for 1, 250 square feet for second units, Ms. Roberts stated that is the maximum square footage for a second unit in the State of California. She noted that with staff's proposal to limit second units to 20 percent of the primary home's floor area, the 12,500- square -foot homes would be allowed to build a PLANNING COMMISSION MINUTES, March 28, 2012 Page 11 of 33