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<br />SECTION 2 <br /> <br />ATTACHED & FREE-STANDING COVERS AND UTILITY SHEDS <br /> <br />Table 2.1,1 Allowable Roof Beam Spans for Carports, Patio Covers, <br />Screen Rooms, and other Open Buildings with Solid Roofs <br />Aluminum Alloy 6063 T-6 <br /> <br />** <br /> <br />Wind Zone = 102 MPH I 110 MPH T 120 MPH T 125 MPH I 140 MPH <br />ADDlied Load = 17# I Sa. Ft. I 20# 1 Sa. Ft. I 23# 1 Sa. Ft. I 26# 1 Sa, Ft. I 32# I sa: Ft. <br />Load Width 2" x 3" x 0.045 Hollow <br />5' 6'-6" S'-11" S'-7" S'-3" 4'-9" <br />6' S'-11 " 5'-5" 5'-1" 4'-9" 4'-4" <br />7' 5'-6" 5'-1" 4'-9" 4'-5" 3'-11" <br />S' 5'-2" 4'-9" 4'-5" 4'-2" 3'-9" <br />9' 4'-10" 4'-S" 4'-2" 3' -11" 3'-6" <br />10' 4'-7" 4'-3" 3'-11" 3'-8" 3'-4" <br />11' 4'-4" 4'-0" 3'-9" 3'-6" 3'-2" <br />12' 4'-2" 3'-10" 3'-7" 3'-5" 3'-1" <br />Load Width 2" x 3" x 0.050 Hollow Tilt <br />5' 7'-4 " 6'-9" 6'-4" 5'-11" 5'-4" <br />6' 6'-8" 6'-2" 5'-9" 5'-5" 4'-11" <br />7' 6'-3" 5'-9" 5'-4" 5'-0" 4'-6" <br />S' 5'-10. 5'-4" 4'-11" 4'-8" 4'-3" <br />9' 5'-6" 5'-1" 4'-8" 4'-5" 3'-11" <br />10' 5'-2" 4'-9" 4'-6" 4'-2" 3'-9" <br />ii' 4'-11" 4'-7" 4'-3" 4'-0" 3'-7" <br />12' 4'-9" 4'-4" 4'-1" 3'-10" 3'-5" <br />Load Width 2" x 4" x 0.050 Hollow Tilt <br />5' g'-O" 8'-4. 7'-9" 7'-4" 6'-7" <br />6' 8'-3" 7'-7" 7'-1 " 6'-8" 6'-0" <br />7' 7'-8" 7'-0" 6'-7" 6'-2" 5'-7" <br />S' 7'-2" 6'-7" 6'-2" 5'-9" 5'-2" <br />9' 6'-9" 6'-2" S'-g" 5'-5" 4'-11" <br />10' 6'-5" 5'-11 " 5'-6" 5'-2" 4'-8" <br />11' 6'-1" 5'-7" 5'-3" 4'-11" 4'-5" <br />12' 5'-10" 5'-4" S'-O" 4'-9" 4'.3" <br />Load Width 2" x 4" x 0.036" x 0.100" Self Matina Beam <br />5' 11'-4" 10'-6" g'-g" 9'-2" 8'-3" <br />6' 10'-4" 9'-7" 8'-11" 8'-5" 7'-7" <br />7' 9'-7" 8'-10" 8'-3" 7' -g" 6'-11" <br />S' 8'-11" 8'-3" 7'-g" 7'-3" 6'-7" <br />9' 8'-6" 7'-10" 7'-3" 6'-10" 6'-2" <br />10' 8'-0" 7'-5" 6'-11 " 6'-6" 5'-10" <br />ii' 7'-8" 7'-1" 6'-7" 6'-2" 5'-7" <br />12' 7'-4" 6'-9. 6'-4" 5'-11" 5'-4" <br />Load Width 2" x 5" x 0.050" x 0.100" Self Matlna Beam <br />5' 14'-1" 12'-11" 12'-1" 11'-5" 10'-3" <br />6' 12'-10" 11'-10" 11'-1" 10'-5" g'-4" <br />7' 11'-11" 10'-11" 10'-3" g'-7" 8'-8" <br />S' 11'-1" 10'-3" g'-7" 8'-11" 8'-1" <br />9' 10'-6. 9'-8" g'-o" 8'-6" 7'-8" <br />10' 9'-11" 9'-2" S'-7" S'-1" 7'-3" <br />11' 9'-6" 8'-9" 8'-2" 7'-S" 6'-11" <br />12' 9'-1" S'-4" 7'-10" 7'-4" 6'-7" <br /> <br />J <br /> <br />Example: <br />For 2" x 4" x 0.038" x 0.100" Self-Mating Beam; Beam span between uprights use load width to enter table. <br />For 12' Roof Panel + 2' Overhang; Load Width = LW = 12'/2 + 2' O.H. = S' ; Enter table on left atS' read allowable <br />span under required load; Thus for 100 M.P.H, wind loadllive load or 17 #/Sq. Ft. and Load Width = 8'-0" <br />Maximum Beam Span for 2" x 4" x O.OSO" x 0.100" = I 11'-1" I <br />Spans do not include length of knee brace. Add horizontal length of knee brace to above spans for total beam <br />spans. <br />"Note: <br />For small covers 2. x 2" beams may be used, (see table 3.1.1 for spans) <br /> <br />Lawrence E. Bennett, P.E. <br />CIVIL ENGINEER - DEVELOPMENT CONSUL TANT <br />P,O, BOX 4368. SOUTH DAYTONA, FL 32121 <br />TELEPHONE (904) 767-4774 <br />FAX (904) 767-6556 <br /> <br />J <br /> <br />SEAL <br /> <br />PAGE <br /> <br />2-20 <br /> <br />@ COPYRIGHT 2000 <br />NOT TO BE REPRODUCED IN WHOLE OR IN PART WITHOUT THE WRITTEN PERMISSION OF LAWRENCE E, BENNETT, P,E. <br />