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Roadway and Bridge Widening and Reconstruction, Tri-State Tollway (I-294): Mile Post 32.4 to Mile Post 33.5

d'Escoto Inc > Portfolio > Services > Civil Design Engineering > Roadway and Bridge Widening and Reconstruction, Tri-State Tollway (I-294): Mile Post 32.4 to Mile Post 33.5
  • Roadway and Bridge Widening and Reconstruction, Tri-State Tollway (I-294): Mile Post 32.4 to Mile Post 33.5
  • Roadway and Bridge Widening and Reconstruction, Tri-State Tollway (I-294): Mile Post 32.4 to Mile Post 33.5

Overview

Client: Illinois Tollway

Location: Berkeley & , Northlake, IL

Description

Phase II engineering services are required for the preparation of contract plans and specifications for the proposed roadway reconstruction and improvements as determined by the Tollway. This project is for the limits of the Tri-State Tollway between St Charles Road (M.P. 32.4) to North Avenue / Lake Street (M.P. 33.5). The work generally encompasses roadway and bridge design and shall include but not be limited to the following:

  • Roadway design
  • Reconstruction/rehabilitation of bridges
  • Retaining wall design
  • Noise wall design
  • New drainage structures and modifications of the existing drainage system
  • Provide maintenance of traffic plans including those for impacts on local facilities
  • All other appurtenant and miscellaneous items

Services Provided

d’Escoto, Inc. provided the following Phase II civil design services:

  • Development of a roadway 3D model that included retaining walls and temporary soil retention systems for accuracy in cross-section sheets and earthwork calculations.
  • Extraction and calculation of staged earthwork quantities from the 3D model.
  • Preparation of 300+ cross section sheets.
  • Creation of smoothness assurance reports using ProVAL.
  • Development of a process to coordinate the summary of quantities sheets and cost estimates.

Assembly and coordinate Specifications, SOQ, and cost estimate amongst the multi-company team.

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