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7.A. - Page 172 Pete's Harbor �,�y � , �,�,r EIR Addendum October 8,�2012 Page 3-7 ■ Because the Peninsula Marina (One Marina) property is no longer part of the project, the project development area would be reduced from 46.45 acres to 13.85 acres, a reduction of approximately 70 percent. The tallest buildings in the One Marina project under construction will be 60 feet in height. ■ The tallest multi-story buildings on the Pete's Harbor site would be reduced from a maximum height of 240 feet (5 buildings) to 75 feet (1 building), a height reduction of about 69 percent, and the mid-rise building heights would be reduced from 74-84 feet to 40 feet, 6 inches, a reduction of approximately 45 to 51 percent. ■ Overall, the project's maximum building heights in comparison to the existing "visual base plane" in the project vicinity (i.e., the approximately 50-foot-high general visual plane created by existing buildings, trees, overpasses, and other structures) would be reduced from approximately 4.8 times higher for the 2003 EIR Pete's Harbor component to approximately 1.5 times higher for the current project. Because the One Marina project under construction (originally the Peninsula Marina component of the 2003 Marina Shores Village project) will include buildings up to 60 feet in height, this impact analysis based on a visual base plane of 50 feet is conservative. Comparing the building mass of the tallest buildings in the two projects gives a general sense of basic visual impact, since the tallest buildings would be visually prominent above the 50-foot visual base plane from both proximate and distant viewpoints. The 2003 EIR Pete's Harbor component contained five buildings at 240 feet. Assuming that these buildings would have a width of approximately 100 feet per side, the 2003 EIR project would have resulted in approximately 9.5 million cubic feet of building mass extending above the 50-foot base plane.' The current Pete's Harbor project proposes one building above the base plane, at a height of 70-to-75 feet, resulting in approximately 4.7 million cubic feet of building mass extending above the base plane,2 an approximately 50 percent reduction in comparison to the 2003 EIR Pete's Harbor component. '5(100 x 190 x 100) = 9.5 million cu. ft. 21(714[approx. length of wraparound bldg.] x 25 x 264 [approx. width of wraparound bldg.]) =4.7 million cu. ft. This is a worst-case calculation because it assumes a solid visual mass of 75 feet in height with no setbacks or stepbacks in the wraparound building/parking garage. T:1106951Addenduml3(10695-Oi).doc