Re: l/360 for dummies

L/360

30-foot span, divided by 360 = 1-inch of uniform deflection.

or 360-inch span, divided by 360 = 1-inch of uniform deflection.

Joist spacing:

24-inch spacing:

22.5-inches divided by 360 = .0625-inches of concentrated deflection.

16-inch spacing

14.5-inches divided by 360 = .040-inches of concentrated deflection

Use 300-lbs. for weight

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