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Title: Dimensional Tolerance Specification

Author(s): Cristian Masana

Publication: Concrete International

Volume: 31

Issue: 6

Appears on pages(s): 33-35

Keywords: formwork; repair; specification; tolerance

Date: 6/1/2009

Clearly defined tolerance specifications can help prevent disagreements about deviations between as-built dimensions and those indicated on project drawings. The Instituto del Cemento y del Hormigón de Chile (ICH) Committee on Technical Specifications for Contracts has developed ET 004-06, "Dimensional Tolerances in Reinforced Concrete Elements," based on data from several different sources. The specification provides a consistent set of tolerances for six surface finish grades and also establishes appropriate repair procedures for cases of noncompliance.


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