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7 <br /> Public Amenities Master Plan <br /> Preliminary Cost Estimate July 2009 <br /> .Lowell Crossing <br /> Description of Potential Project Elements <br /> Provide universally accessible overpass structure over BNSF mainline railroad tracks;west <br /> side ramp meets existing grade; east side earth mound and spiral trail connects to fire <br /> access road/trail; new trail on BNSF R.O.W. provides connection between Lowell Riverfront <br /> Park and fire road/trail to Simpson Pad; restore disturbed areas w/ native plantings. Cost <br /> of improvements does not include reconstruction of BNSF mitigation efforts that may have <br /> been placed prior to construction, or negotiated exchange of mitigation easement area. <br /> Estimated Area Costs Low High <br /> Earthwork $100,000. $152,000. <br /> Bank stabilization and enhancement 0. 0. <br /> Utilities and lighting 0. 0. <br /> Drainage 0. 0. <br /> Structures 1,200,000. 1,500,000. <br /> Site furnishings and signage 100,000. 100,000. <br /> Pavement and curbs 245,200. 245,200. <br /> Soil preparation and planting 20.000. 20.000. <br /> Subtotal 1,665,200. 2,017,200. <br /> 10% Mobilization 166,500. 201,700. <br /> 20%Contingency 333.000. 443,800. <br /> Subtotal 2,164,700. 2,662,700. <br /> 9.2% Sales tax 199,100. 245,000. <br /> 20% Engineering and Construction Admin. 432,900. 532,500. <br /> TOTAL $2,796,700. $3,440,200. <br /> Page 9 of 9 <br /> 102 <br />