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~ ^ ~~~ . ~ ~ :'tP BENSHOOF & ASSOCIATES, INC. TRANSPORTATION ENGINEERS AND PLANNERS 10417 EXCELSIOR BOULEVARD. SUITE 'TWO / HOPKINS. UN 55343/ (952) 238-1667/ FAX (952) 238.1671 March 16, 2001 Refer to File: 00-97 MEMORANDUM TO: Steve Schwanke~RLJ};Kuusi~ LTD '. ~l\JS r?}K James A. Benshootand Paul D. Klappa FROM: RE: Centre Pointe Business Park EA W - Response to SEH Comment Letter The purpose of this memorandum is to respond to the March 8, 2001 comment letter from Roger Plum of the SEH firm regarding our traffic analysis performed for the Centre Pointe Business Park in the City ofRosevilIe. On behalf of the City ofRoseville, the SEH firm reviewed the traffic analysis included as part of the January 16,2001 Centre Pointe EAW. On February 27,2001 representatives of Benshoof & Associates, RLK Kuusisto, SEH, and the City of Ro sevi lIe met to discuss concerns that had been raised by SEH as part of their review. At this meeting and in the March 8, 2001 letter, SEH raised two concerns with the methodology used to estimate trip generation for the office and corporate campus land uses. The first concern raised by SEH was that the trip generation rates for the office and corporate campus included in the January 16, 2001 EAW were determined by using the sum of office and corporate campus square footage to determine rates from Institute of Transportation Engineers (lTE) trip generation equations. These rates were then applied separately to the corporate campus and office land uses. We agree with SEH that only the office square footage should have been used to determine the rate for the office land use and only the corporate campus square footage should have been used to determine the trip generation rate for the corporate campus. By using this revised methodology, the p.m. peak hour trip generation estimate included in the January 16, 2001 EA W underestimates the trip generation by 76 vehicles. With the revised trip generation methodology for the office and corporate campus land uses, the Centre Pointe Business Park is expected to generate 950 p.m. peak hour trips and 7,226 daily trips. The traffic analyses for the EA W were performed using a development concept that included a 6,000 square-foot high-turnover restaurant. Just before publication, the restaurant land use was eliminated and a 6,600 square-foot single tenant office building was added. The single tenant office is estimated to generate 53 fewer trips in the p.m. peak hour than the restaurant. Because, the trip generation decreased, the analyses were not repeated. With the revised methodology for estimating the office and corporate campus trip generation and the change of the restaurant to office, only 23 p.m. peak hour