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<br />~SeJ <br /> <br />3535 VADNAIS CENTER DRIVE, 200 SEH CENTER, ST. PAUL, MN 55110 612490-2000 800 325-2055 <br /> <br />ARCHITECTURE ENGINEERING ENVIRONMENTAL TRANSPORT A TION <br /> <br />August 7, 1996 <br /> <br />RE: Roseville, Minnesota <br />Ramsey County Library <br />Dunn Brothers Coffee <br />SEH No. A-ROSEV9402.00 <br /> <br />Mr. Jay Kennedy <br />City Engineer <br />City of Roseville <br />2660 Civic Center Drive <br />Roseville, MN 55113 <br /> <br />Dear Jay: <br /> <br />We have reviewed the site plan for the addition of the Dunn Brothers Coffee Shop to the Roseville <br />branch of the Ramsey County library. The proposed drive-up window location for the coffee shop <br />would be on the south side of the building in advance of the existing book return drive-thru area. <br />The aisle in front of the window would be approximately 15 feet wide, based on the site plan. This <br />means that single file traffic will proceed through the drive-up area. To reach the existing book <br />return, traffic must go through the same line as the coffee shop drive-up traffic. <br /> <br />We previously have estimated the volume of traffic generated by a drive-up type coffee facility. A <br />review of the calculations for those facilities, plus observations of an Outpost Java in Apple Valley <br />and conversations with transportation professionals from Seattle where some of the drive-thru coffee <br />concepts originated, have lead us to estimate that the maximum backup from the window would be <br />approximately four to five vehicles. Most of the time, we anticipate one to three vehicles. <br /> <br />The drive-up aisle will easily accommodate three vehicles without impact on any traffic circulation. <br />The fourth vehicle may create some minor problems depending upon where the rear bumper is. A <br />fifth vehicle will be in the driving lane of the major east-west aisle south of the library. <br /> <br />We anticipate that the book return traffic will add to the backup. However, if the backup is four <br />vehicles or more, we anticipate that the book return traffic will probably park, possibly illegally, and , <br />walk across the drop boxes. There is enough distance between the drive-up window for the coffee <br />shop and the book return so that pedestrians are not surprising motorists as they pull away from the <br />coffee window. The library may wish,to look at a remote book return. <br /> <br />Much of the parking at the east end appears to be employees. Thus, where the book drop parking <br />may take place will already be full of employees. The advantage is that there is very little traffic <br /> <br />SHORT ELLIOTT <br />HENDRICKSON INC, <br /> <br />MINNEAPOLIS, MN <br /> <br />sr CLOUD. MN <br /> <br />CHIPPEWA FALLS, WI <br /> <br />MADISON. WI <br /> <br />LAKE COUNTY, IN <br /> <br />EQUAL OPPORTUNITY EMPLOYER <br />