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• <br />Mr. Carl Littrell, PE <br />City Engineer <br />City of South Bend <br />227 W Jefferson Ste 1200 S <br />South Bend, Indiana 46601 <br />March 30, 2010 <br />CLITTREL@SouthBendIN.Gov <br />RE: South Bend Memorial Hospital Bartlett Street Parking Structure Facade Renovation <br />Carl Walker, Inc. Proposal #N1 -10 -113 <br />Dear Mr. Littrell: <br />Carl Walker, Inc (Carl Walker) is pleased <br />services related to the anticipated <br />Bartlett Street Parking Structure facade <br />Facade improvements are <br />along the north and west <br />renovation. <br />anticipated <br />elevations. <br />PROJECT UNDERSTANDING <br />The Bartlett Street Parking Structure was <br />built in the late 1970's and consists of <br />one slab -on -grade level (Level 1) and <br />four supported parking levels (Levels 2, <br />3, 4 and 5). <br />to present this proposal for engineering and architectural <br />The three bay wide structure measures <br />approximately 277 feet in the east /west <br />direction, by 144 feet in the north /south <br />direction. The two outer bays are 57 <br />feet wide, and the center bay is a 27- <br />foot wide two -way speed ramp providing th <br />between levels. The total supported slab area <br />160,000 square feet with the slab -on -grade level <br />40,000 square feet. <br />approximately <br />an additional <br />This 30 -year old parking structure utilizes a precast /prestressed concrete <br />structural system with long span tees and a cast -in -place concrete topping. <br />The structural system for the speed ramp consists of an 8" thick prestressed <br />hollow core plank with a cast -in -place concrete topping. The current <br />facade is as follows: <br />W <br />is <br />North Elevation - This elevation faces Bartlett Street. The east end <br />abuts directly to the Medical Office Building (brick fa(;ade). The floors and spandrels on this <br />elevation are flat. Following development of the construction documents in 2006 the street level <br />entry/exit lanes were moved to the Bartlett Street (from the west entrance drive). The new <br />multiple story entrance sign was also added at this time. <br />5136 Loves Lane, Suite 200 Kalamazoo MI 49002 P. 269.381.2222 F. 269.349.0782 www.carlwalker.com <br />