Title:
Concrete Q&A: Coordinating Tolerances
Author(s):
Bruce Suprenant
Publication:
Concrete International
Volume:
43
Issue:
6
Appears on pages(s):
71-72
Keywords:
tolerance, responsibility, coordination, design
DOI:
10.14359/51732879
Date:
6/1/2021
Abstract:
Q.Who is responsible for coordinating construction tolerances on a project: the designer or the contractor?
Related References:
1. ACI Committee 347, “Guide to Formwork for Concrete (ACI 347R-14),” American Concrete Institute, Farmington Hills, MI, 2014, 36 pp.
2. ACI Committee 117, “Specification for Tolerances for Concrete Construction and Materials (ACI 117-10) and Commentary (ACI 117R-10) (Reapproved 2015),” American Concrete Institute, Farmington Hills, MI, 2010, 76 pp.
3. ASCC Position Statement #18: “Concrete Tolerance Coordination,” American Society of Concrete Contractors, St. Louis, MO, 2009, 1 pp.
4. ACI Committee 117, “Guide for Tolerance Compatibility in Concrete Construction (ACI 117.1R-14),” American Concrete Institute, Farmington Hills, MI, 2014, 47 pp.
5. Karlson, L.G.; Connolly, E.F.; Garcia, C.M.; and Suprenant, B.A., “Defining Concrete Constructability,” Concrete International, V. 40, No. 10, 2018, pp. 32-33.
6. ASCC Position Statement #6: “Division 3 versus Division 9 Floor Flatness Tolerances,” American Society of Concrete Contractors, St. Louis, MO, 2003, 1 pp.
7. “Construction Tolerance Conflicts in Reinforced Concrete,” Engineering Data Report No. 40, Concrete Reinforcing Steel Institute, Schaumburg, IL, 1995, 4 pp.
8. Suprenant, B.A., and Malisch, W.R., “Effect of Post-Tensioning on Tolerances,” Concrete International, V. 31, No. 1, Jan. 2009, pp. 58-65.
9. ASTM C926-20, “Standard Specification for Application of Portland Cement-Based Plaster,” ASTM International, West Conshohocken, PA, 2020, 14 pp.
10. ACI Committee 347, “Proposed Revisions to ACI 347-68: Recommended Practice for Concrete Formwork,” ACI Journal Proceedings, V. 74, No. 9, Sep. 1977, pp. 397-434.