Steel Bar Grating

1 1705 1421 1218 1857 2321 1934 1658 1451 1289 1161 2425 1684 3032 2526 2165 1895 1684 1516 1378 1263 1166 3069 2132 1566 3837 3197 2741 2398 2132 1918 1744 1599 1476 1370 1199 3789 2632 1933 1480 4737 3947 3383 2961 2632 2368 2153 1974 1822 1692 1480 '-0" 2'-6" 3'-0" 3'-6" 4'-0" 4'-6"8'-0" 9'-0"6'-0" 6'-6" 7'-0"5'-0" 5'-6" ModBarSymbolWeightPer Width3/4" x 1/8"3/4" x 3/16"1" x 1/8"1" x 3/16"1-1/4" x 1/8"1-1/4" x 3/16"1-1/2" x 1/8"1-1/2" x 3/16"1-3/4" x 3/16"2" x 3/16"2-1/4" x 3/16"2-1/2" x 3/16" SPAN (Length of Bearing Bar)

2 LOAD & DEFLECTION TABLEUDCDUDCDUDCDUDCDUDCDUDCDUDCDUDCDUDC DUDCDUDCDUDCDU = safe uniform load, psfC = safe concentrated load, pfwD = deflection, inchesE = modulus of elasticity, 29,000,000 psiF = fiber stress, 18,000 psiMaterial:ASTM A-569 standardDeflection:Spans and loads to the right ofthe bold line exceed 1/4" deflection for uni-form load of 100 psf which provides safepedestrian comfort. These can be exceededfor other types of loads with engineer Bars:For serrated Grating , the depthof Grating required for a specified load is 1/4"deeper than that shown in the :Loads and deflec-tions are theoretical andbased on static PANEL WIDTH (inches)No. of Bars23456789101112131415161/8" Bar3/16" Bar15/1621/2311/1647/861/1671/487/1695/8 1013/1612133/16143/8159/16163/41715/1613 /829/1633/4415/1661/875/1681/2911/16107/ 8121/16131/4147/16155/81613/16181/8" Bar3/16" Bar191/8205/16211/22211/16237/8251/16261 /4277/16285/82913/1631323/16333/8349/163 53/4193/16203/8219/16223/42315/16251/826 5/16271/22811/16297/8311/16321/4337/1634 5/83513/16No.

3 Of Rods 4" C/C19-W-2 Cross Rods 2" C/C19-P-2 Cross Bars 2" C/C19-P-4 Cross Bars 4" C/CSteel Bar GratingNote:P-Press-Locked cross bars typically extend 1/8" each side. W-Welded cross rodsmay extend 1/8" each side. Panel widths do not include these " Center to Center of Bearing BarsPRESS-LOCKED1-3/16" Center to Center of Bearing Bars34751 AMICO 13-69 10/18/2000 2:31 PM Page 15