EARN CONTINUING EDUCATION LEARNING UNITS New ANSI-Approved Stair Standard Released. COLLABORATIVE EFFORT BY AWI AND SMA. o 52 designsolutions I fall 2021 n March 1, 2021, The American National Standards Institute (ANSI) approved the ANSI/AWI SMA 06432021-Wood Stair, Handrail, and Guard Systems Standard which is now available online for free access at awinet.org and stairways.org or for purchase in the AWI Store. The Architectural Woodwork Institute (AWI) and the Stairbuilders & Manufacturers Association (SMA) announced that Standard 0643 took effect August 15, 2021.http://www.awinet.org http://www.stairways.org