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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Internal Tolerance Conflicts in Concrete Construction
Author(s): Bruce A. Suprenant and Ward R. Malisch
Publication: Concrete International
Appears on pages(s): 31-34
Keywords: international tolerances, construction, contractors, subcontractors
Abstract:Tolerances associated with layout, formwork elevation and alignment, reinforcement fabrication and placement, surface elevation and levelness can cause internal tolerance compatibility issues—conflicts within concrete construction itself. Coordination of the internal tolerances in ACI 117-101 is difficult even when a single concrete contractor controls the total work package, including layout. But these contractors can usually complete the work to the satisfaction of the Owner and Architect/Engineer because they control the total work package. When the work packages are separated, however, the construction manager or general contractor should be responsible for ensuring internal tolerance compatibility.
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