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LATTICE 1.0 RAFTER SPANS FOR COMMERCIAL AND PATIO STRUCTURES IN LOWWIND AREAS 0.024"*2%6.5" Rafter (Single Span)0.032"*256.5" Rafter (Single Span) Ground Rafter Wind Speed ald Exposure Ground Rafter Wind Speed and Exposure Snow Load .Spacing Exposure B 'Exposure C Snow Load Spacing Exposure B Exposure C (psf)(in)90 110 90 110 (psf)(in) 90 110 90 110 10 24'10'-2"8'-3.8'-8" 645" -10 24-.13'-11° 13'-0' 13'-6" 10'-8" LIVE 20-11'-40' 94* 9'-90'7-4'LIVE 20"15'-3" 14'-4" 14'-11" 11'-9" 16 12'-8" 10'-8" 11'-2"8'-6=167 16'-11" 16'-1- 1608" 13'-3" 12"14'-6,1 12'-7" 13'-2" 10'-1"17 19'-5 187· 19'-3" 15'-4" 20 24"5'-2' ! 5'-2' 5'-2" 5'-2-20 247 8'-10" 8'-10* 8'-10' 8'-10" LIVE 20 6-2" ' 6'-2= 6'-2" 6'-2" .LIVE 20" 10'-7" 107 10'-7" 10'-7- 160 7'=8"-r€ -re T-W 16"12'-1" 12-1- 12%1" 12'-1- 12"10'-2" 10'-2" 10'-2" 10'-1" i .12"13'-11" 13'-11" 13'-11" 13'-11 25 247 4-11" 4'-11" 4'-11" 40-110 25 24"805" 8'-5.5 80-5"8'-5- 20-5'-10 5'-10" 5-107 5'-10"20" 10'-1" 10'-1= 1001" 10'-1' 16 7'-4"7-4'7-4"16"11'-10" 11'-10" 11'-10" 11'-10" 12- 9'-9"9.-9-9-7 9-9.12"13'-70 13'-7- 15-7" 13'-7" 30 24-4'-1"4'-1"4tl-4'-1 '30 24-7·'-0" 7'-0"7-0"7.-0" 20.4'-11" 4'-11- 4%11" 41-11"20"8'-5" 8'-5"8'-5"8t8, 16-6'-1"6tl" 6'-1"6'-1"16"10'4» 1043" 10'-6" 10'€' 1T 8'-1"8'-1-8'-1"Er-1"12 12'-6- 120-6" · 1246 1246" 40 24" 3'-1"3'-tv 3tl"3'-t"40 24"5'-3"5-3"5-3" 5'-3" 20" 3'-8"3'-8"3'-8" 3'-8"20" 6'14"6'-4" 64"6'-4 16" 47 4'-7"4'-7"40-7" 16"7'-10" r-10' 7-10" 7'-10" 12"60-1"6'-1" 6'-1 "5- 1"12"10'-6 10'-6" 10'-6"- 10'47 60 24"21%60 24-3'-5. 3-6.3'-6"3'-6" W 2'-5" 2'-5 2%5"2'-5"20.4'-3" 4'-3"4'-3"40-3" O.0401-*.5= Rafter (Single Span) Ground Rafter Wind Speed and Exposure Snow Load Spacing Exposlue B 'Exposure C (psf)(in)90 110 90 110 10 24"17-7" ; 17'-3" 177' 14'-4" LIVE 20" 18'-9" 18'-9- 18'-9" 15'-8" 16'20'-2" 20'-1" 20'-2" 17'-6" 12=22-3" 21'-11" 22'3" 19'-6" 20 24'12'-6" 12'-6" 1216" 124" LIVE 20-13'-9" 13'-9" 13'-9" 13'-9" 16=15-3" 15'-3" 15-3= 15-3° 12 17'-7" 17'-T' 177 17'-7" 25 24 12'-3- - 12'-3" 12'-r 12'-3" 27 13'-5" 13'-5" 13'-5 13'-5" 16"14'-11" 14'-11" 14'-11" 14'-11' 12- 17'-2" 17'-2" 17'-20 17'-2" 30 24"10'-7" 10'-T' - 10'-7" 10'-7 20'17-3" 12'-3" 12-3" 12'-3 16"13'-8" 13'-8" 13'-8" 13'-r 12"15'-9" 15'-9- 15'-9" 15'-7 40 24"r-11" 7-110 7'-11" 7-11" 20"9-6" 9,-6"9'-6"9'-6" 16"11'-10" 11'-10" 11'-10" 11'-1 Cr 12"13'-8" 13'-8" 13'-8" 13'-8" 60 24"5-4" 5'-4-5'-4"504" 20"6'-4"6,-4" 6'-4"6'-4" 0.042"xy'x8" Rafter (Single Span) Ground Rafter . Wind Speed and Exposure Snow Load Spacing Exposure B Exposure C (pst) (in) 90 110 90 110 10 36 16'-6" 157 16'-20 127 UVE 32- 17'-5" 167 17'-2' 13'-7" 24'20'-7 19'-2" 19'-11" 15'-10" 16" 24'-2" 23*-5" 24'-2" 19'-4" 20 367 9-8"9'-8" 9'-8"90-8' LIVE 32" 10'-10" 10'40".10'-10" 10'-10" 24"14'-4" 14'-4" 14'-4" 14'-4" 16"1747 17'47 17-5' 1747 25 36"97 9'-3"9'-3" 9'-3' 32'10'-4" 10'-4" 10'-4" 10'-4" 24"13'-9" 13'-9" 13'-9" 13'-9" 16" 17'-0" 17-0" 17'-0" 17'41' 30 36 7'-8" 7'-8"7-8.7'-43' 32"8'-8" 8'-8"8,_8"8'-8" 24=11'-6" 11'€' 11'-60' 11'-6" 16-15'-7" 157 15'-7" 15-7' 40 36"549' 5'-9"5'-gu 5'-9" 32' 64r 5-6'6'€ 6'-6" 24" 8'-8"8t8"808'8'-8" 16"12'-11" 12'-11" 12'-11" 12-11' 60 36"3'-10" 3'-10" 3'-10" 3'-10" 327 44.4'-4"4.-4"44'1 3° Rafter @6-ok (Single and Muttispan) Ground Metal . Wind Speed and Exposure Snow Load Gauge Exposure B Exposure C (psf)Gauge 90 110 90 110 10 0.024" 127 12'-7" 17-7" 12-3"UVE 0.032" 1523= 15'-3" 15'-3" 14'-11'0.040" 16'-5" 16'-5" 16'-5" 16-5" 20 0.024" 80-7" 8'-7" 8'-7"8'-r UVE 0.032' : 11'-11" 11'-11" 11'-11' 11'-11° 0.040" 13'-0" 13'-0" .13'-0" 13'* 25 0.024" 8'25" 8'-5' 8'-5"8'-5" 0.032' 11'-8" 11'-8" 11'-87 11'-8° 0.040- 12'-10" 12'-10' 12'-10" 12'-10' 30 0.024"T€T€T€7-6" 0.032' 10'-6" 10'€ 1046' 1046" 0.040" 12'-0' 12'-0 12'-0" 120-0' 40 0.024'6'-4" 6'-4"6'4"6'-4. 0.032" 9'-0"9'-0.9'-0" 9'-0" 0.04(r 10'-11" 10'-11" 10'-11" 10'-11" 60 0.024" 4'-11" 4'-11" 4'-110 · 4'-11" 0.032" 7'-1" 7'-7 7-1"7'-1" 0.040'9'-1"90=1° 9'-1"90-1„ 16"3'-1"3'-1 " .3'-1"3'-1" 12-401"44" 4'-1"4'-1" TABLE 1.1 )SINGLE SPAN TABLES 0.024°x7*6.9 Rafter (Multispan) Ground Rafter Wind Speed and Exposure Snow Load Spacing Exposure B Exposure C (psf) (in) 90 110 90 110 10 24= 7'-4" · 7'-4"7-47 6-5 LIVE 20'8'-4" 8'-4.8'-4" 7'-4" 16"9'-8» 91.8"g,-8.81-6. 12"11 t-8" 11'-8" 11'-8" 10'-1" 20 24' 4'-4"4'-4"4'-4" 4'-4' LIVE 20 5'-0" 5'-0" 5'-0"5-8, 16" 5-11" 5-11" 5-11° 5'-11'* 12" 7'44"7'-42 7-4"T-4' 25 24"4'-1 4'-1"4ul"4'-1" 20"4'-9" 4'-9"4-g„4'·.9. 16"5'-9" 509" 5-9"5-9. 12"7-1"701" 7-1"7'-1" 30 24"3'-6" 3'-6"3'-6"3'-6" 20"4'-1" 41-1 "4'.1"4'-1" 16"4'-11" 4'.11" 4'-11" 4'-11" 12"6'-2" 6'-2"6-2" 6'-2. 40 24"2'-9" 2-9"2t9"2cg„ 20.3'-3" 3'-3"3'-3" 3-3" 16' '3'-11" E-11" 3'-11" 3'--11" 12"4'-11" 4£11" 4'-11" 4'-11" 60 24"1'-11" 1'-11" 1'-11- 1'-11 20"213" 27 2-20 2-3 16"2'_9" 2'-9 2'-9.2'-9' 12" - 3'-6" 3'-Sn 3'-6.3'-6" TABLE 1.6 ICC ESR 1953 (2009 IBC) 12/5/2011 16- 5'-3 5'-3"5'-3" 5'-3" 127 7-7 7-0" 7'-0"7.-7 TABLE 1-2 l 0.032126.5 Rafter (Mullispan) Ground Rafter Wind Speed and Exposure Snow Load Spacing Exposure B Exposure C (Psf)(in) 90 110 90 110 10 24"10'-10" 10'-10" 10'-10" 10'-8" L[VE 20.12'-2" 12'-2' 12'-2- 117 16.14'-0' 14'-0" 14'-[r 13'-3- 12-167 · 16'-7" 16'-7- 15'-4- 20 24-6-8- 6'-8.6'-8.6'-8" LIVE 20" 7'-8"T€ . T€T-8 16"8'-11" 8'-11" 8'-11" 8'-11" 12"10'-10" 10'-10" 10'-10" 10'-10" 25 24"6'-50 6'-5"6'-5" 645" 20- T-4"T.4"T-42 7'-4. 16" 8'-8"8'-8-8'-8"8'-8- 12"10'-6' 10'-6' 10'-6" 10'-6- 30 24"5%7"5'-7" 5'-7"597" 20"6'.67 6'-5"6'5"6'-5" 16'7'-7=T:r Trr 7-7 12U 91-4- 91-4"9'-4.9'-4. 40 24"4'-5'4'-5" 4'-5'4'-5" 20*502" 5'-7 5'-2" 50-2" 16'6'-1"6tl'6'-1"6'-1 12--r -r ¥-7 7'-7"7'-7 60 24"3tl-3'-1"3'-1" 3'-1" 20 34$" 3'-8'3'-8" 3'-8" 16'4'-5" 4'-5" 4'-5 4'-5' 12°5'-7"5'-7' TABLE 1.7 16" 7-11" 7-11= 7-11" 7-11"24"5'-9' 5>9"5'-9"509' 12"10-7" 10'-7' 10'-7" 10'-7"16" 858"838" 8'-8" 8'-8' TABLE 1.3 . TABLE 1.4 NOTE: RAFTERS MAY OVERHANG 25% OF THEIR CLEARSPAN 0.040'b¢"x6.5' Rafter (Multispan)0.042"*3"€ Rafter (Multispan) Ground Rafter Wind Speed and Exposure Ground Rafter - Wind Speed and Exposure Snow Load Spacing Exposure B Exposure C Snow Load Spacing Exposure B Exposure C (psf) (in) 90 , 110 90 110 :(psf)(in) 90 110 90 110 10 24" 14>5" 14'-5" 14'-5" 14'-4"10 36" 12'-6" 1266' - 12'-6" 12'-6" UVE 20" 16'-1" 16'-1" 16'-1" 15'-8"LIVE 30" 13'-6" 13'-6" : 13'-6° 13'-6" 16"18'-4" 18'4' 18'-4" 17'€'24"16'-2" 16'-2" 16'-2" 15'-10" 12"21'-6' 21'6' 21'-6" 19'-6"16"207 20'-7" 207 19'-4" 20 24"9'-2" 97 9'-20:9'-2" - 20 36"l' Ir 7'-7" 7-r 77 LIVE 20" 10'ar 10'-4' 10'4" 104"LIVE 30"8'-4" 8'-4"8 '-4"8'-4" 16"12:-0 12'-0" 12'-0" 12'-0" .24'10'-3" · 10'-3" 10'-3' 10'-3" 12"14'-5' 14'-6" 14'-5" 14'-5"160 13'-6" 13'-6" 13'-6" 13'-6" 25 24 8'-10" 8'-10" 8'-10" 8'-10' : 25 36»T-4" 704" 71.22 7'-4" 20' 10'-0" 10*-0" 10'-0" 10'-0"30" 8'-0,1 8,-0„8'-00 8'-0" 16»11'-8" 11'-8" 11'-8" 11'-8"24 9'-11" 9'-11" 9'-11" 9'-11" 12'14-0° * 14'-0" 14'-0" 14'-0"16=13'-1" 13L1" 13'-1" 13'-14 30 24*T-gn 7-9„7'-9"709' 30 36= 6'-4'6'-47' 6'-4"60-·4" 20'8010" 8'-10" 8'-10" 8'-10"30*6'-11" 6'-11" 6'-11" 6'-11" 16°10'-4" 10'-4" 10'-4" 10'-4"24' 8'-8"8'-8.8'-8"8'-8. 12¤12'-6" 1246" 12'-6" 12L6"16=11'-7' 117 117 117 40 24"6'-3"6'-3" 613" 6113" 40 36 5-0"5LO" 5'-0"5'-0" 20-T.27 1'-27 r-z' r-r .30- 5-6" 5'-6-5'-6"5'-6" 16»8'-5' 8'-5"8%5"8'-5"24'6'-11' 6'-11" 6'-11" 0-11" 12"10'-4" 10'-4" 1.0'-4" 10'-4"16'945" 9'-5"9'-5"9,-5. 60 24" 4-6"44#'4'€' 4'-6" 60 36 3'-6"3'4-3'-6"3'-6" 20"503" 5'-3'5'-3"5'-3" 2 30" 3'-11" 3'-11" 3'-11" 3'-11* 16"5-3'6'3" 6Ly 6'-3"24"5'4„ 5'-O.5'-0"5'-0" 12=7.-9"7'-9"7Eg' 7-9'1 16 6'-11" 6'41" 6'-11" e-11" - TABLE 1.8 TABLE 1.9 page 8 of 101 El.5 ESS/ 1 30- 5 JUN 2.13 * LIC#V GtEER * f · i Z BUILDING PRODUCTS 2440 Albright Houston, TX 77017 (713) 946-9000 Carl Putnam, P. E. 3441 Ivylink Place Lynchburg, VA 24503 car! putnam@comcastnet DEC 5 2011 ' era:tk 1 t l 6¥4161 I.