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APR-04 03 (FRI) 1702 INTERNATIONAL PARKING DESIGN INC 510 553 2130 PACE. 3/3 <br />Mr. David C. Irmer 1 -2 5 <br />April 4, 2003 <br />Page 2 <br />b. Due to the retail/theater development above the podium level, the cinema architect and <br />owner did not want a long -span structure below to avoid vibration issues. The column <br />grid for theater and retail may also not work well with the long -span parking grid that <br />requires ether transfer girders or additional columns thus reducing the design effrcicncy. <br />C. The one -way circulation provides a higher level of customer convenience for getting into <br />and out of stalls however, the long one -way aisles are less desirable for space search. <br />d. There should be adequate stack space for exiting traffic. This will reduce the suggested <br />design efficiency. <br />C. Using all other design criteria as a base, a long -span garage will require a higher floor -to- <br />floor height than a short-span structure. <br />3. Lightwells in underground parking structure are desirable if the development above permits them. <br />Open stairs and glass - backed elevators are the design features we also would like to incorporate if <br />the code and fire department permits them. <br />4 In terms of cost, if a long -span design would require a structural slab and additional piles to <br />withstand the water pressure, a significant amount of cost savings would be diminished. We also <br />would like to design a project that works well for the client and one that we do not have to <br />apologize for later. <br />If there is a need for a meaningful discussion on this project, we would welcome the opportunity to do so. <br />Sincerely, oQ <br />Dili p L. andwana <br />President <br />dlNmaf <br />Y 1041 �O ftmmmd p) b Lv'm <br />