Apartment Building - 2950 N Sheridan

Chicago, IL

  • 53 Caissons

This project featured 53 caissons ranging from 30” to 54” diameter shafts 58’-0” deep, with bells ranging from 4’-0” to 12’-0” diameter. With nearly 30’of fine sand the Soilmec SR-75 was utilized to twist in 32’-0” long temporary casings to seal off the loose soils and ground water. 

Interestingly, our excavation encountered an old limestone wall some 50’ below street grade; and one caisson that required a grout bell technique due to sandy soils just above the bearing/auger.


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