Responsibility in Evaluating and Repairing Existing Concrete Structures: An Environmental Structure Case Study

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Title: Responsibility in Evaluating and Repairing Existing Concrete Structures: An Environmental Structure Case Study

Author(s): Pericles C. Stivaros

Publication: Symposium Paper

Volume: 332

Issue:

Appears on pages(s): 8-22

Keywords: concrete repair, responsibility, quality control, quality assurance, structural assessment, structural evaluation, nondestructive testing

Date: 7/1/2019

Abstract:
A successful concrete repair project requires a close coordination of efforts between the three major parties involved: the owner, the licensed design professional (LDP), and the contractor. Lack of coordination and clear understanding of the professional and contractual responsibilities, as well as the expectations, of each party involved in a concrete repair project, could result in long legal disputes to attempt to sort out the responsibilities of each party. The greatest victim of the dispute is usually the structure itself. The American Concrete Institute (ACI) has led the effort to develop responsibility guidelines in concrete construction. ACI 132 identifies and suggests the allocation of responsibilities to various parties involved in concrete construction. ACI 132 document is applicable to general concrete construction, and it does not consider the particularities of evaluating and repairing existing concrete structures. ACI 562 provides minimum requirements for assessment, repair and rehabilitation of existing distressed concrete structures, including a discussion on the responsibilities of the licensed design professional for the evaluation and repair of concrete structures. This paper discusses the responsibilities of the licensed design professional, the contractor, and the owner through a repair case study. The paper demonstrates the need to expand ACI 132 and/or ACI 562 to include responsibility guidelines for concrete repair projects.




  

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