Equipment mounts to a concrete masonry unit wall using a minimum of four expansion anchors with sizing and embedment determined by the weight of the unit. Units weighing less than 100 pounds require 1/4-inch diameter expansion anchors with a 1 1/2-inch embedment. Units weighing less than 250 pounds require 3/8-inch diameter expansion anchors with a 2 1/2-inch embedment. Units weighing less than 300 pounds require 1/2-inch diameter expansion anchors with a 3 1/2-inch embedment.
EQUIPMENT PER ELEC / MECH FRONT ELEVATION__ MIN (4) 1/4"Ø EXPANSION ANCHORS (EMBED = 1 1/2") PER GEN NOTES FOR UNITS < 100# MIN (4) 3/8"Ø EXPANSION ANCHORS (EMBED = 2 1/2") PER GEN NOTES FOR UNITS < 250# MIN (4) 1/2"Ø EXPANSION ANCHORS (EMBED = 3 1/2") PER GEN NOTES FOR UNITS < 300# CMU WALL PER PLAN OF UNIT WIDTH OF UNIT HEIGHT CMU WALL PER PLAN 12" MIN. SPACING A
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