I-18-4705 - Elgin O'Hare Western Access Tollway (I-490) Interchange Construction

The work under this Contract shall consist of: Construction of the Northbound and Southbound I-490 Bridges over Higgins Creek and the MWRDGC Touhy Avenue Reservoir, site clearing, removals, earthwork, grading, construction of retaining walls, drainage system installation, construction of pavement and barrier protection, signing and pavement markings, roadway lighting, Intelligent Transportation Systems (ITS) infrastructure, maintenance of traffic, utility relocation and coordination, landscaping and all other appurtenant and miscellaneous construction.
  Addendum #1 (click to expand/collapse)
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I-18-4705_Addendum1 18.6 MB
  Addendum #1 Geotech (click to expand/collapse)
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Name Size
4705-ExGround.xml 218.9 MB
4705-PrGround-NofI90.xml 19.6 MB
4705-PrGround-NofTouhy.xml 976.3 KB
4705-PrGround-SofI90.tin 8.3 MB
4705-PrGround-SofI90.xml 15.4 MB
4705-PrGround-TCell3.xml 516.0 KB
4705-PrSubgrade-NofI90.xml 26.5 MB
4705-PrSubgrade-NofTouhy.xml 1.4 MB
4705-PrSubgrade-SofI90.tin 7.6 MB
4705-PrSubgrade-SofI90.xml 16.0 MB
4705-PrSubgrade-TCell3.xml 523.2 KB
ME_4705CSPP_N08C2_02072020 18.3 MB