GUIDE FOR CONTRACTOR’S STRUCTURAL ASSESSMENT REPORTS
After the I-35W bridge in Minnesota collapsed, the Federal Highway
Administration issued Technical Advisory T5140.28, which charged state
transportation agencies with ensuring that construction loading and stockpiled
materials placed on structures do not overload its members.
In response to this advisory, the Department has developed GBSP 67, which
requires the contractor to submit Structural Assessment Report(s) (SARs) to the
engineer for approval. The SARs shall demonstrate that the structural demands of
the applied loads due to the contractor’s means and methods will not exceed the
available capacity of the structure at the time the loads are applied. This
special provision is intended to replace the demolition special provision (GBSP
63) and to supplement the special provisions for erection of curved or complex
steel structures.
This special provision will initially be applicable for pilot projects
selected by the Department beginning with the June 12, 2009 letting. It requires
that a contractor either be pre-approved to prepare a Structural Assessment
Report or that the contractor use the services of a qualified structural
engineering firm.
Links to related IDOT webpages
GBSP 67
ABD Memo 09.1
List of Prequalified
Consultants
Contractor
Pre-approval Requirements
Links to Illinois Department of Financial and Professional Regulation
State of Illinois -
Structural Engineer
Professional
Design Firm Registration
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