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NON-TRADITIONAL PAVEMENT DESIGN: SME SOLUTION SOLVED CONTAMINATION PROBLEM AND SAVED CONSTRUCTION COSTS

05.26.16   Louis J. Northouse, PE | More by this Author

NON-TRADITIONAL PAVEMENT DESIGN: SME SOLUTION SOLVED CONTAMINATION PROBLEM AND SAVED CONSTRUCTION COSTS

When planning for development of a new industrial process facility, a Midwest owner was facing costly removal of contaminated soil from previous construction. SME provided the geotechnical evaluation and found up to 12’ of contaminated topsoil.

As part of the new construction, about 240,000 square feet of pavement was to be constructed for heavy truck traffic – about 85 semi-trucks per day would access the pavement. Conventional construction required removal of unsuitable topsoil fill from the site.

However, due to the contamination, removal would incur expensive disposal fees at a landfill. Also, using traditional asphaltic concrete pavement required a pavement section of 51.5 inches.

To avoid the high cost of removal and the thick pavement section required for conventional construction, SME developed an alternate approach using Portland cement concrete pavement with soil stabilization. This option reduced the removal of contaminated soil by 23,000 cubic yards, saving about $920,000 in removal, trucking and disposal costs. SME’s total fees for the project for the borings and geotechnical/pavement engineering services were about $40,000. SME’s solution saved the owner 23 times our entire fee for the project! Not a bad return on investment!

For more information contact Lou Northouse.



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