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ASTM subcommittee E06.55 has recently developed E 2099 “Standard Practice for the Specification and Evaluation of Pre-Construction Laboratory Mockups of Exterior Wall Systems.” This practice has been developed to standardize the process for the design, construction, and laboratory testing of full-scale pre-construction mockups. These mockups are typically considered standard practice for buildings where the exterior wall system is a custom application and for buildings where a high confidence level is desired in the performance of the exterior wall system. To date, laboratory mockups have been tested using ASTM E 283, E 330, E 331, E 547, and E 1233, as well as tests developed by other organizations. E 2099 brings these various individual tests into one coherent test program. E 2099 also provides specific recommendations for the exchange of information between the exterior wall designer, the exterior wall contractor and the test laboratory. The intended goal of such an exchange of information is to provide a mechanism for valuable lessons learned in the process of the design, construction and testing of the mockup to be carried through to the product installed on the building.
laboratory mockups, pre-construction evaluation, exterior wall systems, testing, curtain wall
Senior Consultant, Wiss, Janney, Elstner Associates, Inc., Chicago, IL
Senior Architect, Wiss, Janney, Elstner Associates, Inc., Chicago, IL