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EXHIBIT C <br />LEVEL I -- 810,000 square feet <br />Cost Estimate <br />I.D. # <br />Description of Improvements <br />Developer <br />Other <br />1A2 <br />Provide eastbound widening on MacArthur to form the <br />160,000 <br />continuation of the number 3 eastbound lane, east of <br />Hutton Center Drive directly into the southbound SR-55 <br />on-raTp eliminating the current "pinch". <br />1C <br />Complete Columbine widening to four lanes including landscaped <br />340,000 <br />median, street lights, sidewalk and parkway landscaping. <br />1N* <br />At southeast corner Main/MacArthur intersection, add a northbound <br />200,000 <br />right turn lane. Right-of-way and construction costs are to be shared <br />with Hutton Center Development. <br />2A1 & 2A2 <br />Route the southbound SR-55 off -ramp, desiring to travel <br />300,000 <br />west on MacArthur Blvd. through an enlarged signalized inter- <br />section rather than along the existing right -turn diagonal roadway. <br />These improvements will require the addition of two lanes and <br />the modification of the traffic signal. These improvements will <br />require Caltrans a roval. <br />2D <br />Widen MacArthur Blvd. to add a third westbound lane between <br />400,000 <br />the southbound SR-55 Freeway off -ramp and the full width <br />improvement east of Imperial Promenade. Resurface/reconstruct the <br />westbound lanes on MacArthur Blvd. between Main Street and the <br />southbound SR-55 off -ramp per the material report. This work must <br />be coordinated with Caltrans and may need to be constructed <br />in two hales. <br />1L <br />At SR-55 northbound off -ramp to Dyer add a third lane to off -ram <br />100,000 <br />On -site improvements: <br />1,427,530 <br />Cap First American Way with asphalt concrete between Imperial <br />Promenade and existing terminus. Construct storm drain from Orange <br />County Flood Control Channel to Columbine and between First <br />American Way and Orange County Flood Control Channel; reactivate <br />traffic signal at First American Way and Imperial Promenade including <br />loops on west -bound approach, signal modification to provide <br />northbound right turn overlap with westbound left turn and restriping; <br />construct First American between existing terminus and Columbine. <br />The construction of First American Way shall include four lanes, <br />landscaped medians, street lights, sidewalks and parkway landscaping. <br />SUBTOTAL <br />2,367,530 <br />560,000 <br />394/016555-0002 <br />72059.05 a05130100 <br />