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Committee Mission: Collect, develop and specify tolerances and related information for concrete construction and materials through liaison with other ACI committees and related industry organizations.

Goals: 1) Draft a new document that addresses the compatibility between concrete and interface materials; 2) Draft new document that establishes a tolerance measurement protocol; 3) Revise ACI 117 Specification to eliminate the commentary; 4) Move tolerance acceptance criteria toward a statistical evaluation.

Chair: Eric Peterson

TAC Contact: Bruce Suprenant

Documents Under Development:
• 117 (Future): Specifications for Tolerances for Concrete Construction and Materials (ACI 117-XX) and Commentary
• 117.Y (future): Guide to Using Laser Scanning for Concrete Tolerances
• 117X (Future): Standard Measuring Protocol for Evaluation of Concrete Elements for Conformance to Specified Tolerances