| 1. THESE TABLES ARE PREPARED BASED ON TESTS CONDUCTED IN ACCORDANCE WITH THE 1980 EDITION, SECTION 6.2, OF THE AMERICAN IRON AND STEEL INSTITUTE SPECIFICATION FOR THE DESIGN OF COLD-ROLLED STEEL STRUCTURAL MEMBERS WITH THE RESULTS CHECKED AND ADJUSTED WHERE REQUIRED BY CALCULATIONS IN ACCORDANCE WITH SECTION 2 OF THE SAME SPECIFICATION. 2. SYMBOLS ARE AS FOLLOWS: U = ALLOWABLE SIMPLE SPAN UNIFORM LOAD (LBS./FT), C = ALLOWABLE SIMPLE SPAN CONCENTRATED LINE LOAD (LB.) AT MIDSPAN, D = VERTICAL DEFLECTION (IN.) AT MIDSPAN. 3. SPANS TO THE LEFT OF THE HEAVY LINE PRODUCE DEFLECTION OF 1/4" OR LESS UNDER A UNIFORM LOAD OF 100 LBS. PER SQUARE FOOT.
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