Horizontal short slotted holes are provided in simple beam webs to accommodate movement, with quantities specified according to the beam size range in a companion schedule. W8 to W18 beams require no slotted holes, while W21 to W24 beams require one slot at the top and one at the bottom. W27 to W33 beams utilize two slots at the top and two at the bottom, and W36 beams incorporate three slots at both the top and bottom locations. Bolt configurations are referenced to a separate detail, and typical installations feature one-sixteenth-inch diameter oversize holes.
BEAM SIZE IN BEAM WEB SCHEDULE SLOTTED HOLES NUMBER OF SLOTED HOLES SLOTTED HOLES IN SIMPLE BEAM CONN. 15
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