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The I-88 Tollway Improvements include Reconstruction & Widening of I-88 EB,
outside shoulder, Reconstruction of median shoulders and Intermittent pavement
repair, Construction of Embankment, Construction of retaining walls,
Construction of median crossover for future maintenance of traffic staging, Ramp
widening, Construction of foundations for overhead & cantilever signs.
Specific tasks being performed by GLSEC engineers and technicians include...
Monitoring Quality Control Procedures and Reporting to Tollway Authority.
Assuring Overall Quality of Soils & Aggregate Materials.
Monitoring Subgrade Testing by Contractors.
Proofrolling Observation and Static/Dynamic Cone Testing on subgrade soils.
Monitoring PGE Crushing and Placement Operations.
Compaction Testing of Embankments, Backfill and MSE Walls.
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