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G-1011 - 10/22/2013 - COMMUNITY DEVELOPMENT - Ordinances i ORDINANCE 2013-CD-BC-G-1011 AN ORDINANCE AMENDING SECTION 10-1-2 OF THE VILLAGE CODE OF THE VILLAGE OF OAK BROOK RELATING TO SPAN TABLE AMENDMENTS TO THE INTERNATIONAL BUILDING CODE AND INTERNATIONAL RESIDENTIAL CODE WHEREAS, the Village has adopted the 2009 edition of the International Code Council, Inc.'s International Building Code by reference and has codified it in Section 10-1-1A of the Village Code of the Village of Oak Brook, Illinois ("Village Code"); and WHEREAS, the Village has also adopted the 2009 edition of the International Code Council, Inc.'s International Residential Code by reference and has codified it in Section 10-1-1B of the Village Code; and WHEREAS, the 2009 editions of the International Building Code and the International Residential Code include minimum design requirements for floor joist spans, header and girder spans, ceiling joists, and rafter spans; and WHEREAS, the American Wood Council and the Southern Forest Products Association have determined that the International Code Council's minimum requirements for floor joist spans, header and girder spans, ceiling joists, and rafter spans made from Southern Yellow Pine were based on incorrect assumptions about the load capacity of that particular type of wood; and WHEREAS, the American Wood Council and the Southern Forest Products Association recom- mend that municipalities that have adopted the 2009 editions of the International Building Code and the International Residential Code amend their building codes to reflect more accurate load capacities for Southern Yellow Pine; and WHEREAS, the Village Board has determined that it would be in the best interests of the Village and its residents to amend Section 10-1-2 of the Village Code pursuant to this Ordinance; NOW,THEREFORE, BE IT ORDAINED BY THE PRESIDENT AND BOARD OF TRUSTEES OF THE VILLAGE OF OAK BROOK, DU PAGE AND COOK COUNTIES, ILLINOIS as follows: Section 1: Recitals. The foregoing recitals are hereby incorporated into, and made a part of, this Ordinance as the findings of the President and Board of Trustees of the Village of Oak Brook. Section 2: Amendment to Section 10-1-2A of the Village Code. Subsection A of Section 1, entitled "International Building Code Amendments", of Chapter 1, entitled "Building Code," of Title 10, en- titled Building Regulations, shall be, and is hereby, amended as indicated in Exhibit A. 2308 Conventional Light Frame Construction. The following tables in Section 2308 are amended as follows: [INSERT TABLES ATTACHED AS EXHIBIT A] Section 3: Amendment to Section 10-1-2B of the Village Code. Subsection B of Section 1, entitled "International Residential Code Amendments", of Chapter 1, entitled "Building Code," of Title 10, entitled Building Regulations, shall be, and is hereby, amended to add: Ordinance 2013-CD-BC-G-1011 Span Tables-Building Codes Amended Page 2 of 3 R502 Wood Floor Framing. The following tables in Section R502 are amended as fol- lows: [INSERT TABLES ATTACHED AS EXHIBIT B] R602 Wood Wall Framing. The following tables in Section R602 are amended as fol- lows: [INSERT TABLES ATTACHED AS EXHIBIT C] R802 Wood Roof Framing. The following tables in Section R802 are amended as fol- lows: [INSERT TABLES ATTACHED AS EXHIBIT D] Section 4: Severability. If any provision of this Ordinance or part thereof is held invalid by a court of competent jurisdiction, the remaining provisions of this Ordinance shall remain in full force and effect, and shall be interpreted, applied, and enforced so as to achieve, as near as may be, the purpose and intent of this Ordinance to the greatest extent permitted by applicable law. Section 5: Effective Date. This Ordinance shall be in full force and effect from and after its passage, approval, and publication in the manner provided by law. [SIGNATURE PAGE FOLLOWS] I f Ordinance 2013-CD-BC-G-1011 Span Tables-Building Codes Amended Page 3 of 3 APPROVED THIS 22nd day of October, 2013. r .1 Gopal G. Lalmalani Village President PASSED THIS 22nd day of October, 2013. Ayes: Trustees Adler, Baar, Manzo, Moy, Wolin, Yusuf Nays: None Absent: Nnna I I t'S F�� 4 ATTEST: 1 (� 3v 34.Si Charlotte K. Pruss T "e; Village Clerk 1 EXHIBIT A APRIL 2013 AMENDMENTS-LEGISLATIVE FORMAT WOOD TABLE 2308.8(1) FLOOR JOIST SPANS FOR COMMON LUMBER SPECIES (Residential Sleeping Areas,Live Load=30 psf,LIA=360) DEAD LOAD=10 psf DEAD LOAD=20 psf JOIST 2x6 2x8 2x10 2x12 2x6 2x8 2x10 2x12 SPACING SPECIES AND GRADE (inches) Maximum floor joist spans (ft.-in.) (ft-in.) (ft.-in.) (ft.-in.) ft-In.) (ft.-in.) (ft.-in.) (ft.-in.) Douglas Fir-LRrch SS 12-6 16-6 21-0 25-7 12-6 16-6 21-0 25-7 Douglas Fir-Larch, #1 12-0 15-10 20-3 24-8 12-0 15.7` 19-0 22-0 Douglas Fir-Larch #2 11-10 15-7 19-10 23-0 11-6 14-7 17-9 20-7 Douglas Fir-Larch 43 9-8 12-4 15-0 17-5 8-8 11-0 13-5 15-7 Henn-Fir SS 11-10 15-7 19-10 24-2 11-10 15-7 19-10 24-2 Hens-Fit 41 I1-7 15-3 19-5 23-7 11-7 15-2 18-6 21-6 Heiaa-Fir 42 11-0 14-6 18-6 22-6 11-0 14-4 17-6 20-4 12 Henn-Fir #3 9-8 12-4 15-0 17-5 8=8 11-0 13-5 15-7 Southern Pine SS 12-3 16-2 20-8 25-1 12-3 16-2 20-8 25-1 Southern Pine #1 4J_-A-Il-1{J 44-1&15-7 N-3-19_t0 24-13-24-2 -J2-0-ti-10 44-149-j_Ll 29-3-A-1 24--&M- Southern Pine #2 4-1-19. 11-3 15 -14-1 l •1944-1.8-( 344-21-A 4 -1-E7-U 4-3-7-13-8 444-jb-2 .11419-1 Southern Pine ##3 +0-5-2-2 4--3-11--6 'I5-8 14-Q }g g st�882 44-14- 9-3 44-49-12-{ 46-&14-9 Spruce-Pine-Fur SS 11-7 15-3 19-5 23-7 I1-7 15-3 19-5 23-7 Spruce-Pine-Fir #1 11-3 14-11 I9-0 23-0 11-3 14-7 17.9 20-7 Spruce-Pine-Fir #2 11-3 14-11 19-0 23-0 1.1-3 14-7 17-9 20-7 Spruce-Pine-Fir #3 9-8 12-4 13-0 17-5 8-8 1,1-0 13-5 15-7 Douglas Fir-Larch SS 11-4 15-0 19-1 23-3 11-4 15-0 19-1 23-0 Douglas Fir-Larch #1 10-11 14-5 18-5 21-4 10-8 13-6 16-5 19.1 Douglas Fir-Larch #2 10-9 14-1 17-2 19-11 9-11 12-7 15-5 17-10 DouglasFir=Larch #3 8-5 10-8 1 13-0 15-1 7-6 1 9-6 11-8 13=6 Hem-Fir SS 10-9 14-2 18-0 21-11 1.0-9 14.2 18-0 21-11 Hera-Fir #1 10-6 13-10 17-8 20-9 10.4 13-1 16-0 18-7 Hen-Fir #2 10-0 13-2 16-10 19.8 9-10 12-5 15-2 17-7 Hern-Fir 43 8-5 10-8 13-0 15-1 7-6 9-6 11-8 13-6 16 Southern Pine SS 11-2 14-8 18-9 22-10 11-2 14-8 18-9 22.10 Sonthern Pine #1 4444-,U9 444-14-2 49-3- U- 22-5-214 -444-JQ-9 444-13-9 4-7-1.1-16-1 21-419-1 Southern Pine 112 4 9-10.3 1-42+13-3 144-15-S 2"- 18-6 4&-5-9A 444- - 46444& 4S-40-1§-6 Southern Pine #3 9-$-1-11 44-4-10-0 4-3--7-12-1 44--L I4-4 40-3-L-U +24-10-10 .14-6-j2j- 9 Spruce-Pine-Fir SS 10-6 13-10 17-8 21-6 10-6 13-10 17-8 21-4 SpiucePne-Fir #1 10-3 13.6 17-2 19-I1 9-11 12-7 15-5 17.10 Spruce-Pine-Fir #2 10-3 13-6 17-2 19-11 9-11 12-7 15-5 17-10 Spruce-Pine-Fir #3 8-5 10-8 13-0 15-1 7-6 9-6 11-8 13-6 Douglas Fir-Larch SS 10-8 14-1 18-0 21-10 10-8 14-1 18-0 21-0 Douglas Fir-Larch #1 10-4 13-7 16-9 19-6 9--8 12-4 15-0 17-5 Douglas Fir-Larch #2 10-1 12-10 15-8 18-3' 9-1 11-6 14-1 16-3 19.2 Douglas Fir-Larch #3 7-8 9-9 11-10 13-9 6-10 8-8 10-7 12-4 Hem-Fir SS 10-1 13-4 17-0 20-8 10-1 13-4 17.0 20-7 Hem-Fir #1 9-10 13-0 16-4 19-0 9-6 12-0 14-8 17-0 Heni-Fir #2 9-5 12-5 15.6 17.1 8-11 11-4 13-10 16-1 11cm-Fir #3 7-8 9-9 I1-10 13-9 6-10 8-8 10-7 12-4 1.(col thwed) 2003,2006,2009,and 2012 INTERNATIONAL BUILDING CODE® 479 WOOD APRIL 2013 AMENDMENTS-LEGISLATIVE FORMAT TABLE 2308.8(1)-continued FLOOR JOIST SPANS FOR COMMON LUMBER SPECIES (Residential Steeping Areas,.Live Load=30 psf,L/A=360) DEAD LOAD-10 psf DEAD LOAD=20 psf JOIST 2x6 2x8 2x10 2x12 2.6 1 2.8 2.1 0 2x#2 SPACING SPECIES AND GRADE - (Inches) Maximum floor joistspans 111:) (fl.-In.) (ft.-in.) (ft.-in.) (ft.-in,) (ft.-h%) (ft.-In.) (ft.-in.) Southern Pine SS 10-6 13-10 17-8 21-6 10-6 13-10 17-8 21-6 Southern Pine #1 49-4-1Q1 4-44-13 -1-q-4-16-5 24-1-1`9-6 1�-9-9-11 I3-7- 2JU-- 1-6-4-14-8 -1-9-6'-17-5 Southern Piue #2 44-1-9-6 4-3- 2-1 +6-5-14-4 19 3-1b-10 9 6 86 1?-4 10_lq W R `2-10 4-'x-2-15-1 Southern Pine #3 8-3-7-33 44-6-991 4-13-11-0 44-9.131 q-"55 9-3-8-22 -1-1-1-9910 444--I 1-8 19.2 SpruccPiue-Fir SS 9-10 13-0 16-7 20-2 9-10 13-0 16-7 19-6 Sptuct&ine-Fir #1 9-8 12-9 15-8 18-3 9-1 11-6 14-1 16-3 Spruce-Pine-Fir #f2 9-8 12-9 15-8 18-3 9-1 11-6 14-1 16-3 splace-Pine-Fir #3 7-8 9-9 11-10 13-9 6-10 8-8 10-7 12-4 Douglas Fir-Larch SS 9-11 13-1 16-8 20-3 9-11 13-1 16-2 18-9 Douglas Fir-Larch #1 9-7 12-4 15-0 17-5' 8-8 11-0 13-5 15-7 Douglas Fit;-Larch #2 9=1 11-6 14-1 16-3 8-1 10-3 12-7 14-7 Douglas Fir-Larch #3 6-10 8'-8 10-7 124 6-2 7-9 9-6 11-0 Hen-Fir SS 9-4 12-4 15.9 19-2 9-4 12-4 15-9 18-5 Hem-Fir it l 9-2 12-0 14-8 17-0 8-6 10-9 13.1 15-2 Hem-Fir 42 8-9 11-4 13-10 16-1 8-0 10-2 12-5 14-4 24 Herr Fir 43 6-10 8'-8 10-7 12-4 6-2 7-9 9-6 11-0 Southern Pine SS 9-9 12-10 16-5 19-11 9-9 12-10 16-5 4-944=19=8 Southern Pine #1 #-4-94 +22-7-12-4 1-14-8 -1-9-6-17-5 9-7-L-Q 42-4- Ij -A 444-13-1 44--5 15_7 Southern Pine 42 94=8-6 44-4-10-10 444-12-10 44 x-15-1 5-6-74 4- 9-8-8 134-1 444j—3-6 Southern Pine 43 746^5 9 4�-2 44-4-2-10 1 ?-11_$ lSv 9 8 5­23 9-d-1-8-10 41-14 10.5 Spruce-Pine-Fir SS 9-2 12-1 15-5 18-9 9.2 12-1 15-0 17-5 Spruce-Pine-Fir #1 8.11 11-6 14-1 16-3 8-1 10-3 12.7 14-7 Spruce-Pine-Fit #2 8-11 11-6 14-1 16-3 8-1 10-3 12-7 14-7 Splice-Pine-Fir #3 6-10 8-8 10-7 12-4 6-2 7-9 9-6 11-0 For SI: I inch=25.4 nim,;l foot=304.8 nun,I pound per square foot-47.8 N/m'. 480' 2003,2006,2009,and 2012 INTERNATIONAL BUILDING CODE° APRIL 2043 AMENDMENTS-LEGISLATIVE FORMAT WOOD TABLE 2308:8(2) FLOOR JOIST SPANS FOR COMMON LUMBER SPECIES (Residential Living Areas,Live Load=40 psf,Li3=360) DEAD LOAD=10 psf DEAD LOAD o 20 psf JOISTSPACING SPECIES AND GRADE 2x0 2z8 2x1U 2x12 2x6 2x8 2x10 2x12 (inches) Maximum floorjoist spans (ft.-in.) (ft.-in.) (ft.-in;) (ft.-in.) (ft.-In.) (ft.-in) (ft.-in.) (ft,-In.) Douglas Fir-Larch SS 11.4 15-0 19-1 23-3 11-4 15-0 19-1 23-3 Douglas Far-Larch #1 10-11 I4-5 18-5 22-0 10-11 14-2 17-4 20-1 Douglas Fir-Larch 112 10-9 14-2 17-9 20-7 10=6 13-3 16-3 18-10 Douglas Fir-Larch 43 8.8 11-0 13-5 15-7 7-11 10-0 12-3 14-3 Heir-Fir SS 1x0-9 14-2 IS-0 21-11 10-9 14-2 18-0 21-11 Heir-Fir #1 10-6 13-10 17-8 21-6 10-6 13=10 16-11 19-7 Hem-Fir #2 10-0 13-2 16-10 20-4 10-0 13-1 16-0 18-6 12 Heil-Fir #3 8-8 11-0 13-5 15-7 7-11 10-0 12-3 14-3 Southern Pine SS 11-2 14-8 18-9 22-10 11-2' 14-8' 18-9 22-10 SoutheruPine #1 44-14-iU 44-3-j4,-97 49-5-14.0 22-5-21-11 4944-U 44-5-,A-2 49-S-ifi 11 x443-20 1 Southern Pine 02 +0-1)-!U 14- .1.�.,-,62 4-"-16-2_ 2+-9L-M- 4"2-A ,4--'-}2-6 4444-14-9 -i.94}L7-5 Southern Pine 43 9.4-U +"4-JO 33 44-0.12266 4­".L4 9 8-6%7 --5 -19--10 95 444-0-ji-I 44.3--L3 6 Spruce-Pine-Fir SS 10-6 13-10 17-8 21-6 10-6 13-10 17-8 21-6 Spruce-Pine-Fir #1 103 13-6 17-3 20-7 10-3 13-3 16-3 18-10 Spruce-Pine-Fir 42 10-3 13-6 17.3 20-7 10-3' 13-3 16-3 18-10 Spruce-Pine-Fir #3 8-8 11-0 13-5 15-7 7-11 10-0 12-3 14-3 Douglas Fir-Larch SS 10-4 13-7 17-4 21-1 10-4 13-7 17-4 21-0 Douglas Fir-Larch 41 9-11 13-1 16.5 19-1 9-8 12-4 15-0 17-5 Douglas Fir-Larch 42 9-9 12-7 15-5 17-10 9-1 11-6 14-1 16-3 Douglas Fir-Larch 43 7-6 9-6 11-8 13-6 6-10 8-8 10-7 12-4 Hem-Fir SS 9-9 12-10 16-5 19-11 9-9 12-10 16-5 19.11 Hem-Fir #1 9-6 12-7 16-0 18-7 9-6 12-0 14-8 17-0 Hem-Fir 42 9-1 12-0 15-2 17-7 8.11 11-4 13-10 16-1. 16 Hem-Fir #3 7-6 9-6 11-8 13.6 6-10 8-8 10-7 12-4 Southern Pine SS 10-2 13.4 17-0 20-9 10-2 13-4 17-0 20-9 Southenr Pine #1 0­1+9_9 +3-1-12-10 F6?1&=1 3-0- -1q 9-44-9 n9 1Tl-L 4{�_q_ 9 -9L& - SouthernPiue #2 9-9.9-4 -1-34-0- 1-10 444-1j-Q a.1t.1g.16�! 9-6-1-6 -- 10-IU 44--8-12-IO 4442 SoutheruPine 413 94-1-1 10-3-4-I 422-10-IO 114--Er12-10 -L*U- 9-31 1}_.1-91( 4 -11 8 Spracc-Pine-Fir SS 9-6 12-7 16-0 19-6 9-6 12-7 16-0 19-6 Spruce-Pine-Fir 41 9-4 12-3 15-5 17-10 9-1 11-6 14-1 16-3 Spruce-Pine-Fir #2 9-4 12-3 15-5 17-10 9-1 11-6 14-1 16-3 Spruce-Pine-Fir #3 7-6 9-6 11-8 13-6 6-10 8-8 10-7 12-4 Douglas Fir-Larch SS 9-8 12-10 164 19-10 9-8 12-10 16-4 19-2 Douglas Fir-Larch #1 9-4 12-4 15-0 17-5 8-10 11.3 13-8 15-11 Douglas Fir-larch #2 9-1 11-6 14-1 16-3 8-3 10-6 12-10 14-10 Douglas Fir-Larch #3 6-10 8-8 10-7 12-4 6-3 7-11 9-8 11-3 Hem-Fir SS 9-2 12-1 15-5 18-9 9-2 12-1 15-5 189 Hew-Fir 41 9-0 11-10 14-8 17-0 8-8 10-11 13-4 15-6 Hem-Fir #2 8-7 11-3 13-10 16-1 8-2 10.4 12-8 14-8 19.2 Hem-Fir #3 6-10 8-8 10-7 12-4 6-3 7-11 9.8 11-3 Southern Pine SS 9-6 12-7 16-0 19-6 9-6 12-7 16-0 19-6 Southern Pine #1 449-1 42-* 44-9-14_$ k9-?-,L7-5 94-9_Q +_1*1U5 4444-13-.5 -1-7-sJ-L-L1 Southem Pine 112 rJ?-�-6 -144-10-10 1441-1 8-8-7=9 11-3-2-10 13+.1 - , 44-8-ILQ Southern Pine 43 -7-1-fi--5 #4&:4 2 ++-4-9:4_0 44-?-M-- 6-9~5 1_1 S4-j-5 4(}4-_9-0 421-30-1 Spruce-Pine-Fir SS 9-0 11-10 15-1 18-4 9-0 11-10 15-1 17-9 Spruce-Pine-Fir #1 8-9 11-6 14.1 16-3 8-3' 10-6 12-10 14-10 Spruce-Pine-Fir #2 8-9 I1-6 14.1 16-3 8-3. 10-6 12-10' 14-10 Spruce-Pine-Fir r #13 6-10 8-8 10-7 12-4 6=3 7-11 9-8 11-3 (continued) 2003,2006,2009,and 2012 INTERNATIONAL BUILDING CODE° 481 WOOD APRIL 2013 AMENDMENTS-LEGISLATIVE FORMAT TABLE 2308.8(2)—continued FLOOR JOIST SPANS FOR COMMON LUMBER SPECIES (Residential Living Areas,Live Load=40 psf,LIA=360) DEAD LOAD=10 psf DEAD LOAD=20 psf JOIST SPACING 2x6 2x8 2x10 2xl2 2x6 2x8 2x10 2x12 (inches) SPECIES AND GRADE Maximum rfloor joist spans (ft.-in.) (ft.-M.) (ft--in.) (ft. in.) (ft. in.) (ft.-in.), (ft.-in.) (ft.-in.) Douglas Fir-Larch SS 9.0 11-11 15=2 18-5 9-0 11-11 14-9 17-1 Douglas Fir-Larch t#1 8-8 11-0 13-5 15-7 7-11 10-0 12-3 14-3 1.)ouglas Fir-Larch #2 8-1 10-3 12-7 14-7 7-5 9-5 11-6 13-4 Douglas Fir-Larch 43 6-2 7-9 9-6 11-0 5-7 7-1 8-8 10-1 Hem-Fir SS 8-6 11-3 14-4 17-5 8-6 11-3 14-4 16-10' I-[ein-Fir #1 8-4 10-9 13-1 15-2 7-9 9-9 11-11 13.10 11em-Fir #2 7-11 10-2 12-5 14-4 7-4 9-3 11-4 13-1 Hem-Fir 0 6-2 7-9 9-6 11-0 5'=7 7-1 8=8 10-1 24 Southern Pine SS 8-10 11-8 14-11 18-1 8-10 H-8 14-11 44-1-18=0 Southern Pine #1 "-$A 4-i-3-31-3 -k-4-�l!-I, 4q--5-M- S9-4 1 44410-3 4-3-4-12-U -5--1-1-14-3 Southern Pine 92 t H 1'-1 0 9 j1 43 t L)- 4-5-513-- ]4 _,Q 49 0 S"iO d2 A 1 tai 14 012 9 Southern Pine 43 6-71:2 53-7 3_ 9-i-1-8 10 444.0-,�0--� 6-0-5-1 4-8-6-8 44-8-); -144-2-6 Spruce-Pine-Fir SS 8-4 11-0 14-0 17-0 8-4 11-0 13-8 15-11 Spruce-Pine-Fir 41 8-1 10-3 12-7 14-7 7-5 9-5 11-6 13-4 Spruce-Pine-Fir #2 8-1 10-3 12-7 14-7 7-5 9-5 11-6 13-4 Sprucc-Pine-Fir ##3 6-2 7-9 9-6 11-0 5-7 7-1 8.8 10-1 For SI:1 inch=25.4 nim,1 foot=304,8 nun,I pound per square foot=47.8 N1ni': a. End bearing length shall be increased to 2 inches. 482 2003,2006,2009,and 2012 INTERNATIONAL BUILDING CODEe APRIL 2013 AMENDMENTS—LEGISLATIVE FORMAT WOOD TABLE 2308.9.5 HEADER AND GIRDER SPANS"t FOR EXTERIOR BEARING WALLS (Maximum Spans for Douglas Fir-Larch,Hem-Fir,Southern Pine and Spruce-Pine-Firb and Required Number of Jack Studs GROUND SNOW LOAD(psf)° 30 50 SUPPORTING HEADERS IN G SIZE Building width'(feet) 20 28 36 20 28 36 Span NJ Span NJ Span NJ Span NJ Span NJ Span NJ 2=2x4 3-6 1 3-2 1 2-10 1 3-2 1 2-9 1 2-6 1 2-2x6 5-5 1 4.8 1 4=2 1 4-8 1 4-1 1 3-8 2 2-2x8 6-10 1 5-11 2 5-4 2 5-11 2 5-2 2 4-7 2 2-2x10 8-5 2 7-3 2 6-6 2 2-3 2 6-3 2 5-7 2 2-2x12 9-9 2 8-5 2 7-6 2 8-5 2 7-3 2 6-6 2 Roof&Ceilug 3-2x8 8-4 1 7.5 1 6-8 1 7-5 1 6-5 2 5-9 2 3-2x10 10-6 1 9-1 2 8-2 2 9=1 2 7-10 2 7-0 2 3-2x12 12-2 2 10-7 2 9-5 2 10-7 2 9-2 2' 8-2 2 J 4-2x8 9-2 1 8-4 1 7-8 1 8-4 1 7-5 1 6-8' 1 4-2x10 11-8 1 10-6 1 9-5 2 10.6 1 9-1 2 8-2 2 4-2x12 14-1 1 12-2 2 10-11 2 12-2 2 10-7 2 9-5 2 2-2x4 3-I 1 2-9 1 2-5 1' 2-9 1 2-5 1 2-2 1 2=2x6 4-�25-0 1 3-7 2 4-1 1 3-7 2 3-3 2 2-2x8 5-9 2 4-6 2 5-2 2 4-6 2 T4-1 2 2-2x10 7-0 2 6-2 2 5-6 2 6-4 2 5-6 2 5-0 2 2-2x12 8-1 2 7-1 2 6-5 2 7-4 2 6-5 2 5-9 3 Roof,Ceiling&I Center-Bearing Floor 3-2x8 7-2 1 6=3 2 5-8 2 6-5 2 5-8 2 5-1 2 3-2x10 8-9 2 7-8 2 6-11 2 7-11 2 6-11 2 6-3 2 3-2x12 10-2 2 8-11 2 8-0 2 9-2 2 8-0 2 7-3 2 4-2x8 8-1 1 7-3 1 6-7 1 7-5 1 6-6 1 5-11 2 4-2x10 10-1 1 8-10 2 8-0 2 9-1 2 8-0 2 7-2 2 4-2x12 11-9 2 10-3 2 9-3 2 10-7` 2 9-3 2 8-4 2 2.2x4 2=8 1 2-4 1 2-1 1 2-7 1 2-3 1 2-0 1 2--2x6 3-11 1 3-5 2 3-0 2 3-10 2 3-4 2 3-0 2 2-2x8 5-0 2 4-4 2 3-10 2 4-10 2 4-2 2 3-9 2 2.2x10 6-1 2 5-3 2 4-8 2 5-11 2 5-1 2 4-7 3 2-2x12 7-1 2 6-1 3 5-5 3 6-10 2 5-11 3 5-4 3 Roof,Ceil big&1 Clcar Span Floor 3-2x8 6-3 2 5-5 2 4-10 2 6-1 2 5-3 2 4-8 2 3-2x10 7-7 2 6-7 2 5-11 2 7-5 2 6.5 2 5-9 2 3-2x12 8-10 2 7-8 2 6-10 2 8-7 2 7-5 2 6-8 2 4.2x8 7-2 1 6-3 2 5-7 2 7-0 1 6-1 2 5-5 2 4.2x10 8-9 2 7-7 2 6-10 2 8-7 2 7-5 2 6-7 2 4-2x12 10-2 2 1 8-10 2 7-11 2 9-11 2 8-7 2 7-8 2 (colififuled) 2003,2006,2009,and 2012 INTERNATIONAL BUILDING CODE® 489 WOOD APRIL 2013 AMENDMENTS—LEGISLATIVE FORMAT TABLE 2308.9.5—continued HEADER AND GIRDER SPANS414 FOR EXTERIOR 13EARIIIGWALLS Maximum S' ans for Don las Fir-Larch Hem-Fir,Southern Pine and-Spruce-Pi ne-Fir and Required Number of Jack Studs GROUND SNOW LOAD(psq' 30 6o HEADERS SUPPORTING SIZE Building width°'(feet) 20 28 36' 20 28 36 Span NJ' Span NJ' Span NJ Span NJ° Span NJd Span NJ' 2-2x4 2-7 1 2-3 1 2-0 1 2-6 1 2-2 1 1-11 1 2-2x6 3-9 2 3-3 2 2-11 2 3-8 2 3-2 2 2-10 2 2.2x8 4-9 2 4-2 2 3-9 2 4-7 2 4-0 2 3-8 2 2-2x10 5-9 2 5-1 2 4-7 3 5-8 2 4-11 2 4-5 3 2-2x12 6-8 2 5-10 3 5-3 3 6-6 2 5-9 3 5-2 3 Roof Ceiling&2 Center 3-2 x 8 5-11 2 5-2 2 4-8 2 5-9 2 . 5-1 2 4-7 2 Bearing Floors -- 3-2x 10 7-3 2 6-4 2 5-8 2 7-1 2 6-2 - 2 5-7 2 3-2x 12 8-5 2 7-4 2 6-7 2 8-2 2 7-2 2 6-5 3 4-2x8 6-10 1 6-0 2 5-5 2 6-8 1 5-10 2 5-3 2 4-2x10 8.4 2 7-4 2 6-7 2 8-2 2 7-2 2 6-5 2 4-2x12 9-8 2 8-6 2 7-8 2 9-5 2 8-3 2 7-5 2 2-2x4 2-1 1 1-8 1 1-6 2 2=0 1 1-8 1 1-5 2 2-2x6 3-1 2 2-8 2 2-4 2 3-0 2 2-7 2 2-3 2 2-2x8 3-10 2 3-4 2 3-0 3 3-10 2 3-4 2 2-11 3 2-2x10 4-9 2 4-1 3 3-8 3 4-8 2 4-0 3 3-7 3 2-2x12 5-6 3 4-9 3 4-3 3 5-5 3 4-8 3 4-2 3 Roof,Ceiling&2 Clear Span 3-2x8 4-10 2 4-2 2 3-9 2 4-9 2 4-1 2 3-8 2 Floors 3-2x10 5-11 2 5-1 2 4-7 3 5-10 1 2 5-0 2 1 4-6 3 3-2x12 6-10 2 5-11 3 5-4 3 6-9 2 5-10 3 5-3 3 4-2x8 5-7 2 4-10 2 4-4 2 5=6 2 4-9 2 4-3 2 4-2x10 6-10 2 5-11 2 5-3 2 6-9 2 5-10 2 5-2 2 4-2x12 7-1.1 2 6-10 2 6-2 3 7-9 2 6-9 2 6-0 3 For Sl;I inch=25.4 min,I foot=3 04.8 turn,1 pound per square foot=47.8'N/nt2. a. Spans are given in feet and inches(ft-in). b. TiabWaled valties are for NeA giede tumbef 50ans are based orJ III it iinut a es'gt p operties for No.2 Gra e iunitier of Duu¢I1S izi-arch dent-i'�aacj gPtucelrina- Gr.Na.l ar Ueticr trade lutnher shall be used for southern pine. c. Building width is measured perpendicular to the ridge.For widths between those shown,spans are permitted to be interpolated, d. NJ-Number ofjacl,studs required to support each end.Where the numberofrequiredjack studs equals one,the header is permitted to be supported by an approved framing anchor attached to the full-height wall stud and to the header. c. Use 30 pounds per square foot ground snow load for cases in which ground snow load is less than 30 pounds per square foot and the roof live load is equal to or less than 20 pounds her square foot. 490 2403,2006,2009,and 2012 INTERNATIONAL BUILDING CODE® APRIL 2013 AMENDMENTS-LEGISLATIVE FORMAT WOOD TABLE 2308.9.6 HEADER AND GIRDER SPANSa-k FOR INTERIOR BEARING WALLS (Maximum Spans for Douglas Fir-Larch,Hem-Fir,Southern Pine and Spruce-Pine-FI?and Required Number of Jack Studs) BUILDING width`(feet) HEADERS AND GIRDERS SIZE 20 28 36 SUPPORTING Span Nid Span NJ" Span NJ' 2-2)<4 3-1 1 2-8 1 2-5 1 2-2><6 4-6 1 3-11 1 3-6 1 2-2x8 5-9 1 5-0 2 4-5 2 2-2x 10 7-0 2 6-1 2 5-5 2 2-2x 12 9-1 2 7-0 2 6-3 2 011e Floor Only 3-2x8 7-2 1 6-3 1 5-7 2 3-2x 10 8-9 1 7-7 2 6-9 2 3-2x 12 10-2 2 8-10 2 7-10 2 4-2x8 9-0 1 7-8 1 6-9 1 4-2x10 10-1 1 8-9 1 7-10 2 4-2 x 12 11-9 1 10-2 2 9-1 2 2-2x4 2-2 1 1-10 1 1-7 1 2-2x6 3-2 2 2-9 2 2-5 2 2-2x8 4-1 2 3-6 2 3-2 2 2-2x10 4-11 2 4-3 2 3-10 3 2-2x12 5-9 2 5-0 3 4-5 3 Two Floors 3-2x8 5-1 2 4-5 2 3-11 2 3-2x10 6-2 2 5-4 2 4-10 2 3-2x12 7-2 2 6-3 2 5-7 3 4-2x8 6-1 1 5-3 2 4-8 2 4-2x 10 7-2 2 6-2 2 5-6 4-2x12 8-4 2 7-2 2 6-5 2 For SI:I inch=25.4 inn,I foot=304.9 nun. a. Spans are given in feet and inches(ft-in). b.Tkulaied w! os we fo14le4giede ituuber Spans are based on for No.2 Grad lumber of Douglas fir-larch.bguifil� d s fir.No,I or better arade lulubersijall be used for soutbern Pine. c. Building;width is measured perpendicular to the ridge.For widths between those shown,spans are permitted to be interpolated. d. NJ-Number ofjack studs required to support each end.Where the number of required jack studs equals one,the]leaders are permitted to be SLIJ)POI-ted by ail approved framing anchor attached to the ftill-heiglu,Wal]Stud and to the header. 2003,2006,2009,and 2012 INTERNATIONAL BUILDING CODEO 491 APRIL 2013 AMENDMENTS-LEGISLATIVE FORMAT WOOD TABLE 2308.10.2(1) CEILING JOIST SPANS FOR COMMON LUMBER SPECIES Uninhabitable Attics Without Storage,Live Load=10 pounds psf,LIA=240 DEAD LOAD=5 pounds per square foot CEILING JOIST SPACING 2 x 4 2-6 2 x 8 2.x 10 (inches) SPECIES AND GRADE Maximum ceiling joist spans (ft.-in.) (ft.-in.) (ft.-in.) _(ft.-in.) i Douglas Fir-Larch SS 13-2 20-8 26-0 26-0 DoualasFir-larch #I 12-8 19-11 26.0 26-0 Douglas Fir-Larch #2 12-5 19-6 25-8 26-0 - Douglas Fir-Larch #3 10-10 15-10 20-1 24-6 Hern-Fir SS 12-5 19-6 25-8 26-0 Ilem-Fir #1 12-2 19-1 25-2 26-0 Hem-Fir #2 11-7 18-2 24-0 26-0 Hein-Fir 113 10-10 15-10 20-1 24-6 12 Southern Pine SS 12-11 20-3 26-0 26-0 SouthemPine 41 4-2-8125-5 19-11.19-6 2";L8 ,-88 26-0 Soutl eruPirie #2- 4-1- 11-10 4 18 8 2"24-7 26-0 Southern Pine #3 4-1-6 10-1 4-7-0 4-1111 2-I S 1$-9 45422-9 Spruce-Pine-Fir SS 12-2 19-1 25-2 26-0 Spruce-Pine-Fit' #1 11-10 18-8 24-7 26-0 spilice-Pitle-Fir #2 11-10 18-8 24-7 26-0 Spruce-Pine-Fir 43 10-10 15-10 20-1 24-6` DOUglasFit=Larch SS 11-11 18-9 24-8 26-0 Douglas Fir-Larch #1 11-6 18-1 23-10 26-0 Douglas Fir-Larch 42 11-3 17-8 23-0 26-0 Douglas Fir-Larch #3 9-5 13-9 17-5 21-3 Hem-Fir SS 11-3 17-8 23-4 26-0 Hem-Fir #1 11-0 17-4 22-10 26-0 Henn-Fir #2 10-6 16-6 21-9 26-0 Hem-Fir #3 9-5 13-9 17-5 21-3 16 SoudieruPine SS 11-9 18-5 24-3 26-0 SoudlenPhle #1 4-}-6 11-3-3 4-"12-8 23-1 26-0 Southern pine #2 44-41 444 16_-_x__11', 2�-14 a1-1 2" Southern Pine #3 4"8-9 44-9 12-11 4"JU 224 1 Spruce-Pine-Fir SS 11-0 17-4 22-10 26-0 Spruce-Pine-Fir 111'1 10-9 16-11 22-4 26-0 Spruce-Pine-Fir #2 10-9 16-11 22-4 26-0 Spruce-Pine-Fir 43 9-5 13-9 17.5 21-3 (confinuetl) 2003,2006,2009,and 2012 INTERNATIONAL BUILDING GORE® 493 WOOD APRIL 2013 AMENDMENTS-LEGISLATIVE FORMAT TABLE 2308.10.2(1)—continued CEILING JOIST SPANS FOR COMMON LUMBER SPECIES (Uninhabitable Attics Without Storage,Live Load=10 pounds psf,L.14=240) DEAD LOAD=5 pounds per square foot CEILING JOIST SPACING 2 x 4 2 x 6 2 x 8 2 x 10 ruches SPECIES AND GRADE (filches) Maximum ceiling joist spans (ft.-hi.) (ft. In.) (ft.-in) Douglas Fir-Larch SS 11-3 17-8 23-3 26-0 Douglas Fir-Latch #1 10-10 17=0 22-5 26-0 Douglas Fir-Larch #2 10-7 16-7 21-0 25-8 Douglas Fir-Larch #3 8-7 12-6 15-10 19-5 Hem-Fir SS 10-7 16-8 21-11 26-0 Hem-Fir; #1 10-4 16-4 21-6 26-0 Hem-Fir #2 9-11 1.5-7 20-6 25-3 19:2 Hem-Fir 43 -7 12-6 15-10 19-5 Southern Pure SS 11-0 17-4 22-10 26-0 Southern Pine 1 11 4440 10-7 444 15-8 4422-0 26-0 SotithentPine #2 +0-7 a 1-6 S 15-7 2-1-14 8 -*-'"23.-5 Southern Pine #3 94�_Q n4 LI-9 14-?14-10 ?9-3 _Q Spruce-Pure-Fir SS 10-4 16-4 21-6 26-0 Spruce-Pine-Fir #11 10-2 15-11 21-0 25-8 Spruce-Pine-Fir #2 10-2 15-11 21-0 25-8 Spruce-Pixie-Fir #3 8-7 12-6 15-10 19-5 Douglas Fir-Larch SS 10-5 16-4 21-7 26-0 Douglas Fir-Larch 111 10-0 15-9 20-1 24-6 Douglas Fir-Larch 42 9-10 14-10 18-9 22-11 Douglas Fir-Larch #3 7-8 11-2 14-2 17-4 Hem-Fir SS 9-10 15-6 20-5 26-0 Hem-Fir #1 9-8 15-2 19-7 23-11 Hein-Fir #2 9-2 14-5 18-6 22-7 24 Hein-Fir #3 7-8 112 14-2 17-4 Southern Pine SS 10-3 16-1 21-2 26-0 Southern Pine #1 48 9-10 -i" 5�-6 201820-5 24424-0 Southern Pure #2 9-18 9,-3 4-5-4 13-11 24417-7 2-3-11 20-11< Southern Pine #3 447-2 4" O-'6 4-5413-3 44 16-1 Spruce-Pine-Fir SS 9-8 15-2 19-11 25-5 Spruce-Pine-Fir 41 9-5 14-9 18-9 22-11 Sprtice-Pine-Fir #2 9-5 14-9 18-9 22-11 Sprucc-Pine-Fir #3_ 7-8 11-2 14-2 17-4 For S1 I inch=25:4 nun,I foot 304.8 nun,1 pound per square foot-47.8 Nh12, 494 2003,'2006,2009,and 201'2 INTERNATIONAL BUILDING CODE6 APRIL 2013 AMENDMENTS—LEGISLATIVE FORMAT WOOD TABLE 2308.10.2(2) CEILING JOIST SPANS FOR COMMON LUMBER SPECIES (Uninhabitable Attics With Limited.Storage,Live Load=20 pounds per square foot,_LIA=240) DEAD LOAD=10 pounds per square foot CEILING JOIST SPACING 2 x 4 2 x 6 2 x 8 2 x 10 (inches) SPECIES AND GRADE (�r l Maximum coiling joist spans (ft.-in.) (ft-In.) (ft.-in.) (ff.-In.) DouglasFif-Larch SS 10-5 16-4 21-7 26-0 Douglas Fir-Larch 1/1 10-0 15-9 20-1 24-6 Douglas Fir-Larch #2 9-10 14-10 18-9 22-11 Douglas Fir-Larch 113 7-8 11-2 14-2 17-4 Hem-Fir SS 9-10 15-6 20-5 26-0 Hens-Fir #1 9-8 15-2 19-7 23-11 Hem-Fir #2 9-2 14-5 18-6 22-7 12 Henn-Fir #3 7-8 11-2 14-2 17-4 Southern Pine SS 10-3 16-1 21-2 26-0 Southern Pine #1 19-0 9-10 4-5-915-6 29 1020-5 2-"24-0 SouthernPine #2 A--189-33 4-5413-11 24417-7 233 11.20-11 Southern Pine 43 8-47-2 44-010-6 4-5-4 13-3-3 4-8--1 6t�- Spruce-Pine-Fu SS 9-8 15-2 19-11 25-5 Spree-Pine-Fir 91 9-5 14-9 18-9 22-11 Spice-Pine-Fir #2 9-5 14-9 18-9 22-11 Spruce-Phie-Fur #3 7-8 11-2 14-2 1'7-4 Douglas Fir-Larch SS 9-6 14-11 19-7 25-0 Douglas Fir-Larch #1 9-1 I3-9 17-5 21-3 Douglas Fu--Lerch #2 8-9 12-10 16-3 19-10 Douglas Fir-Larch #3 6-8 9-8 12-4 15-0 Hem-Fir SS 8-11 14-1 18-6 23-8 Hem-Fir #1 8-9 13-5 16-10 20-8 3eni-Fir #2 8-4 12-8 16-0 19-7 16 Henr-Fir #3 6-8 9-8 12-4 15-0 Southern Pine SS 9-4 14-7 19-3 24-7 Southern Pine #1 948-11 44-414-Q 18 11 17-9 24420-9 Southern Pine #2 9-448 0 13412-0 4-'14 15-3 39-1) -1-1 Soutlicnr Pine #3 746-2 4042--2 43-3 L-t 444 4-0 Spruce-Pure-Fir SS 8-9 13.9 18-1 23-1 Spruce-Pine-Fir #1 8-7 12-10 16-3 19-10 Spruce-Pure-FU- #2 8-7 12-10 16-3 19-10 Spatrce-Pure-Fir #3 6-8 9-8 124 15-0 (coathmed) 2003,2006,2009,and 20112 INTERNATIONAL BUILDING CODE" 495 WOOD APRIL 2013 AMENDMENTS-LEGISLATIVE FORMAT TABLE 2308.10.2(2)—continued CEILING JOIST SPANS FOR COMMON LUMBER SPECIES Uninhabitable Attics With Limited Storage,Live Load=20 pounds per square foot, LID=240) DEAD LOAD-10 pounds per square foot CEILING JOIST SPACING 2 x 4 2 x 6 2 x g 2 x 10 (inches) SPECIES AND GRADE 'Maximum ceiling joist spans (ft.-in.) (ft.-61.) (ft.-in.) (ft.-in.) Douglas Fir-Larch SS 8-11 14-0 18-5 23-4 Douglas Fir-Larch #1 8-7 12-6 15-10 19-5 Douglas Fir-Larch. #2 8-0 11-9 14-10 18-2 ouglas Fu-Larch #3 6-1 8-10 11-3 13-8 ern-Fir SS 8-5 13-3 17-5 22-3 Flem-Fir 41 8.3 12-3 15-6 18-11 Help-Fir 42 7-10 11-7 14-8 17-10 1:9.2 Henn-Fir #3 6-1 8-10 11-3 13-8 Southern Pure SS 8-9 13-9 424 23-1 Southern P ire 41 8-55 4-3-612-9 4-7-9 JU 24-418-11 Souther Pine 112 SQL 42-411-0_ 11 013-11 19 11 16-6 cudterP ne #3 6-55--8 9-68-4 424 10-6 44-412-9 Spruce-Pine-Fir SS 8-3 12-11 17-1 21-8 Spruce-Pine-Fir #1 8-0 11-9 14-10 18-2 Spruce-Pine-Fir #2 8-0 11-9 14-10 18-2 Spruce-Pine-Fir 43 6-1 8-10 11-3 13-8 Douglas Fir-Larch SS 8-3 13-0 17-1 20-11 DouglasFir-Larch #1 7-8 11-2 14-2 17-4 Douglas Fir-Larch 42 7-2 10-6 13-3 16-3 Douglas Fir-Larch #3 5-5 7-11 10-0 12-3 ern-Fir SS 7-10 12-3 16-2 20-6 Hem-Fir 111 7-6 10-11 13-10 16-11 ern-Fir #2 7-1 10-4 13-1 16-0 24 etu-Fir #3 5-5 7-11 10-0 12-3 Southern Pine SS 8-1 12-9 16-10 21-6 Souther Pine #1 8-8 778 42-6 111-5-5 16 1814-6 4$-1-8 16-11 Southern Pine #2 -7--96-7 4-1419-10 12-6 16 11 149 Souther Pine #,3 -5-91-1 841-5 48--18 9_5 444-011-5 Spruce-Pine-Fir SS 7-8 12-0 15-10 19-5 Spruce-Pine-Fir #1 7-2 10-6 13-3 16-3 Spruce-Pine-Fir #2 7-2 10.6 13-3 16-3 Spruce-Puie-Fir #3 1 5-5 1 7-11 1 10-0 12-3 For Sri I inch=25.4 nun,1 foot=304.8 nun,I pound per square foot=47.8 N1nt2. 496 2003,2006,2009,and 2012 INTERNATIONAL'BUILDING CODE° i APRIL 2013 AMENDMENTS—LEGISLATIVE FORMAT WOOD TABLE 230$.10.3(1) RAFTER SPANS FOR COMMON LUMBER SPECIES Roof Live Load=20 ounds per square foot,Calling Not Attached to Rafters,LIA='180 DEAD LOAD=10 pounds per square foot I DEAD LOAD=20 pounds per square foot RAFTER 2x4 2-6 2x8 2x10 2x12 2x4 2-- 2x8 2x1A 2'x12 SPACING SPECIES AND GRADE (inches) Maximum rafter spans (ft.-1n.) (ft.-in.) (ft.-in.) (ft.-in.) (ft.-in.) (ft.-In.) (ft.-in.) (ft.-in.) (ft.-in.) (fit.-in.) Douglas Fir-Larch SS 11-6 18-0 23-9 26-0 26-0 11-6 18-0 23-5 26-0 26-0 Douglas Fir-Larch, #1 11-1 17-4 22-5 26-0 26-0 10-6 154 19-5 23-9 26-0 Douglas Fir-Larch #2 10-10 16-7 21-0 25-8 26-0 9-10 14-4 18-2 22.3 25-9 Douglas Fir-Larch 43 8-7 12-6 15-10 19.5 22-6 7-5 10-10 13-9 16-9 19-6 Hem-Fir SS 10-10 17-0 22-5 26-0 26-0 1`0-10 17-0 22-5 26-0 26-0 Hem-Fir 1/1 10-7 16-8 21-10 26-0 26-0 10-3 14-11 18-11 23-2 26-0 IIem-Fir #2 10-1 15-11 20-8 25-3 26-0 9-8 14-2 17-11 21-11 25-5 Hem-Fir 43 8-7 12-6 15-10 19-5 22-6 7-5 10-10 13-9 16-9 1 19-6 outhemPine SS 11.3 17-8 23-4 26-0 26-0 11-3 17-8 23-4 26-0 26=0 12 Southern Pine #1 14 4-7-4 22-11- 26-0 26-0 4-" 444 -2,14 23 1 26-0 10-10 17-0 22-5-5 10-6 15-8 19-10 23-2 outhernNle 42 +G-W 47-9 223 26-0 26-0 4-5-4 194 23-2 26-8 10.4-4 15-1 19.8 23-5 ;2_0 13 d 171 203 23-10 Southern Pine #3 9-1 4-3-6 444 28-3 N' 7-4 4-1 R 1=1 1-0 -1-7-6 20 11 8-0 11-9 14-10 18-0 21-4 66-11 10-2-2 12-10 15-7 1!& Spruce--Pine-Fir SS 10-7 16-8 21-11 26-0 26.0 10-7 16-8 21-9 26-0 26-0 Spruce-Pine-Fit` 41 10-4 16-3 21-0 25-8 26-0 9-10 14-4 18-2 22-3 25-9 Spruce-Pine-Fir #2 10-4 16-3 21-0 25-8 26-0 9-10 14-4 18-2 22-3 25-9 Spruce—Pine—Fir #3 8-7 12-6 15-10 19-5 22-6 7-5 10-10 13=9 16-9 19-6 Douglas Fir-Larch SS 10-5 16.4 21-7 26-0 26.0 10-5 16-0 20-3 24-9 26-0 Douglas Fit=Latch #1 10-0 15,-4 19-5 23-9 26-0 9-1 13-3 16-10 20-7 23-10 Douglas Fu--Larch #2 9-10 14-4 18-2 22-3 25-9 8-6 12-5 15-9 19-3 22-4 Douglas Fir-Lurch #3 7.5 10-10 13-9 16-9 19-6 6-5 9-5 11-11 14-6 16-10 ern-Fir SS 9-10 15-6 20-5 26-0 26-0 9-10 15-6 19-11 24-4 26-0 'fern-Fir #1 9-8 14-11 18-11 23-2 26-0 8-10 12-11 16.5 20-0 23-3 Hem-Fir #2 9-2 14-2 17-11 21-11 25-5 8-5 12.3 15-6 18-11 22-0 Hein-Fir 43 7-5 10-10 13-9 16-9 19-6 6.5 9-5 11-11 1 14.6 16-10 SouthemPPine SS 10-3 16-1 21-2 26-0 26-0 10-3 16-1 21.2 26.0 26-0 16 2.57 Southern Pine #1 18-0 4" 20-18 25 19 26-0 -1-9-0 4-5-0 18-18 244 2£r8 9-1Q 1166 19-f0 23-2 9-1 13-7 17-2 20-1 23-10 Southern Pine, #2 9--W 4-5-4 4-9-4 234 26-8 94 44-9 41-1.0 204 344 9-0 13-6 17-1 20-3.3 23-10 7,=9 11_-8 14-9 17-6 20-8 Southern Pine #3 q-44 444 x'18 44-6 2911 640 4181 4210 45--2 "4 6_11 1{1-2-2 12-10 15-7 18-6 6-0 8810 11-2 13-6 16-0 Sprucc-Pine-Fir SS 9=8 15-2 19.11 25-5 26-0 9.8 14-10 18-10 23-0 26-0 Spruce-Pine-Fir #1 9-5 14-4 18-2 22-3 25-9 8-6 12-5 15-9 19-3 22-4 Spruce-Pine-Fir 112 9-5 14-4 18-2 22-3 25-9 8-6- 12-5 15-9 19-3 22.4 Spruce-Pine-Fir #3 7-5 10-10 13-9 16-9 19-6 6-5 9.5 11.11 I4-6 16-10 (contihited) 2003;2006,2009,and 2012 INTERNATIONAL BUILDING CODE 497 WOOD APRIL 2013 AMENDMENTS–LEGISLATIVE FORMAT TABLE 2308.10.3(4)—continued RAFTER SPANS FOR COMMON LUMBER SPECIES (Roof Live Load=20 pounds per square foot,Ceiling Not Attached to Rafters;L/A=180) DEAD LOAD=10 pounds per square foot DEAD LOAD=20 pounds per square foot RAFTER 2x4 2'x6 2x8 2x10 1 2x12 2x4 1 2x8 2K8 2x10 2x12 SPACING SPECIES AND GRADE (inches) Maximum rafter spans (ft.-in.) (ft.-in.) ft-in.) (ft.-in.) (ft.-in.) (ft.-In.) (ft.-In.) (ft.-In.) (ft.-in:) (ft.-in.) Douglas Fir-Larch SS 9-10 15-5 20-4 25-11 26-0 9-10 14-7 18-6 22-7 26-0 Douglas Fir-Larch ill 9-5 14-0 17-9 21-8 25-2 8-4 12-2 15-4 18-9 21-9 Douglas Fir-Larch #2 8-11 13-1 16-7 20-3 23-6 7-9 11-4 14-4 17-7 20-4 Douglas Fir-Larch 0 6-9 9-11 12-7 15-4 17-9 5-10 8-7 10-10 13-3 15-5 Hein-Fir SS 9-3 14-7 19-2 24-6 26-0 9-3 14-4 18-2 22-3 25-9` Hem-Firr 41 9-1 13-8< 17-4 21-1 24-6 8-1 11-10 15-0 18-4 21-3 Hein-Fir 42 8-8 12-11 16-4 20-0 23-2 7-8 11-2 14-2 17-4 20-1 Hem-Fir #3 6-9 9-11 12-7 15-4 17-9 5-10 8-7 10-10 13=3 15-5 Southem Pine SS 9-8 15-2 19-11 25-5 26-0 9-8 15-2 49-4 23-5 26-0 19.2 19-7 23-4 Southern Pine #1 9-4 +4-1-0 444 333-4 U-0 4_4 4q4 28-3 244 993 14-3 18-1 21:2 25-2 8-4 12-4 11-8 18-4 21-9-9 Southern Pine 112 9-3 +7-9 24 1 0 i:� 4 8_2 1-3-3 11-7 18-6-6 21-9 7_1 1t1-8 13-6 16-0 18-10 Southern Pine #3 4-3 +" 4-3-7 4-" 6-3 444 43-0 4" '64 9-4 Il-9 14-3 16-10 5-6 8-1 id-2 12-4 14-7 Spruce-Pine-Fir SS 9-1 14-3 18-9 23-11 26-0 9-1 13-7 17-2 21-0 24-4 Spruce-Pine-Fir #1 8-10 13-1 16-7 20-3 23-6 7-9 11-4 14-4 17-7 20-4 Spruce-Nie-Fir 42 8-10 13-1 16-7 20-3 23-6 7-9 11-4 14-4 17-7 20=4 SPRICC-Pipe-Fir 83 6-9 9-11 12-7 15-4 L7-9 5-10 8-7 10-10 13-3 15-5 Douglas Fir-Larch SS 9-1 14-4 18-10 23-4 26-0 8-11 13-1 16-7 20-3 23-5 Douglas Fir-Larch #1 8-7 12-6 15-10 19-5 22-6 7-5 10-10 13-9 16-9 19-6 Douglas Fu--Larch #2 8-0 11-9 14-10 18-2 21-0 6-11 10-2 12-10 15-8 18-3 Douglas Fir-Larch #3 6.1 8-10 11-3 13-8 15-11 5-3 7-8 9-9 11-10 13-9 Hein-Fir SS 8-7 13-6 17-10 22-9 26-0 8-7 12-10 16-3 19.10 23-0 Help-Fir #1 8-4 12-3 15-6 18-11 21-11 7-3 10-7 13-5 16-4 19.0 Hera-Fir 42 7-11 11-7 14.8 17-10 20-9 6-10 10-0 12-8 15-6 17-11 Hetn-Fir #3 6-1 8-10 11-3 13-8 15-11 5-3 7-8 9-9 11-10 13-9 Soudiern Pine SS 8-11 14-1 18-6 23-8 26-0 8-11 444 494 22 H 26-9 24 13-10 17-6 20`-10 24-8-8 Soutliem Pine #1 +74 244 3 9-3 4-&4 a?-1--9 8-77 12.9-9 16-2, 18-11 22-6 77-5 11-1 14-0-0 36-5 19-6-6 SauthemPine #2 94 4 4518 18-H 32--2 4 L4 48-8 434) 444 4-94 11.0 13-11 16-6 19-6 6-4 9-6 121 14-4 16-10 Southem Pine #3 64 4-2-1- 44-4 4-7-4 5- 94 40-6 4.1,4 5-8 8-4 ,0-6 2-9 15-1 4-:11 7-3 9--1 11-0 13-1 Spnice-Pine-Fir SS 8-5 13-3 17-5 21-8 25-2 8-4 12-2 15-4 18-9 21-9 Sprucc-Pine-Fir #1 8-0 11-9 14-10 18-2 21`-0 6-11 1.0-2 12.10 15-8 18-3 Spruce-Pine-Fir 42 8-0 11-9 14-10 18-2 21-0 6-11 10-2 12-10 15-8 18-3 Spruce-Pine-Fir #3 6-1 8-10 11-3 13.8 15-11 5-3 7-8 9-9 11-10 13-9 For SL I iueh-25.4 nim,l foot-304.8 nun,1 pound per square foot-47.9 Nhn2. 498 2003,2006,2009,and 2012 INTERNATIONAL BUILDING CODE® APRIL 2013 AMENDMENTS-LEGISLATIVE FORMAT WOOD TABLE 2308.10.3(2) RAFTER SPANS FOR COMMON LUMBER SPECIES Roof Live Load`=20 ounds per square foot,Coiling Attached to Rafters LIA=240 DEAD LOAD=10 pounds per square foot DEAD LOAD=20 pounds per square foot RAFTER 2x4 2x6 2x'8 2x10 2x12 1 2x4 1 2x$ 2x8 2x10 2x12 SPACING SPECIES AND GRADE (Inches) Maximum rafterspans (ft.-1n.) (ft.-In.) (ft.-in.) (ft.-In.) (ft.-In.) (ft. In.) (ft—in.)in.) (ft. In.) (ft.-In.) (ft.-in.) Douglas Fir-Larch SS 10-5 16-4 21-7 26-0 26-0 10-5 16-4 21-7 26-0 26-0 Douglas Fir-Larch #1 10-0 15-9 20-10 26-0 26-0 10-0' 15-4 19-5 23-9 26-0 Douglas Fir-Larch #2 9-10 15-6 20-5 25-8 26-0 9-10 14-4 18-2 22-3 25-9 Douglas Fir-larch #3 8-7 12-6 15-10 19-5 22-6 7-5 10-1`0 13-9 16-9 19-6 11em-Fir SS 9-10 15-6 20-5 26-0 26-0 9-10 15-6' 20-5 26-0 26-0 Hem-Air #1 9-8 15-2 19-11 25-5 26-0 9-8 14-11 18-11 23-2 26-0 Hem-Fir #2 9-2 14-5 19-0 24-3 26-0 9-2 14-2 17-11 21-11 25-5 llem-Fir #3 8-7 12-6 15-10 19-5 22=6 7-5 10-10 13-9 16-9 19-6 nr 12 Southel'ine a� SS 10-3 i16-1 21-2 26=0 26=0 10-3 16-1 21-2 26-0 26-0 Sotttltern Pine #1 4.0-0 45-9 20 19 26-0 26-0 444 -144 ;W 10 2-5-19 26-0 910 15-6 20-5 9_10 !A:§ 19-10 23-2 9-1.9 4� 245 26 t x-1-0 -15-:1 4-9-5 23-2 21-9 SouthemPue #2 26-0 9=5 14-9 19-6 23-5 9-0 13-0 17-1 20-3 23-1U Southern Pule 43 44 43-6 4-7-2 2" 244 4-44 444 4 1 4-7-6 20 11 8-0 11-9 14-10 18-0 21-4 G-11 10-2 12-10 15.7 18-6 spruce-Pine-Fir SS 9-8 15-2 19-11 25-5 26-0 9-8 15-2 19-11 25-5 26.0 Spruce-Pure-Fir 41 9-5 14-9 19-6 24-10 26-0 9-5 14-4 18-2 22-3 25-9 Spruce-Pine-Fir #2 9-5 14.9 19-6 24-10 26-0 9-5 14-4 18-2 22-3 25-9 Spruce-Pine-Fit` #3 8-7 12-6 1 15-10 19-5 22-6 1 7.5 10-10 13-9 16-9 19-6 Douglas Fir-Larch SS 9-6 14-11 19-7 25-0 26-0 9-6 14-11 19-7 24-9 26.0 Douglas Fir-Larch #1 9-1 14-4 18-11 23-9 26.0 9-1 13-3 16-10 20-7 23-10 Douglas Fir-Larch #2 8-11 14-1 18-2 22-3 25-9 8-6 12-5 15-9 19-3 22-4 DouglasFii=Larch #3 7-5 10-10 13-9 16-9 19.6 6-5 9-5 11-11 14-6 16-10 Hem-Fir SS 8-11 14-1 18-6 23-8 26-0 8-11 14-1 18-6 23-8 26-0 Hem-Fir #1 8-9 13-9 18-1 23-1 26-0 8-9 12-11 16-5 20-0 23-3 Hem-Fir #2 8-4 13-1 17-3 21-11 25.5 8-4 12-3 15-6 18-11 22-0 Hem-Fir #3 7-5 10-10 13-9 16-9 19-6 6-5 9-5 11-11 14-6 16-10 i1 Southern Pine SS 9-4 14-7 19.3 24-7 26-0 94 14-7 19-3 24-7 26-0 SouthemPine #1 94 44-4 4-844 21--1 26-0 9-4 44-4 131 224 26-8 14-1 18_6 23-2 88-11 13-7 17-2 20-1 23-1:0 Southein Pile #2 944 44-4 4" '4 U-0 944 44-0 1610 244 244 8.7 13-5 17-1 20-3 23-10 779 118 14-9-9 17-66 20.8 SoutItern Pine #3 7-4+ 4-1-8 4.1-19 4--k-6 20 11 44 1 42 40 4-5-2 4-94 6-11; 10-2 12-10 5-7 18-6 6-0 8-10 11-2 13-6 16.0 Spruce-Pine-Fir SS 8-9 13-9 18-1 23-1 26-0 8-9 13=9 18-1 23-0 26-0 Spruce-Pine-Fir #1 8-7 13-5 17-9 22-3 25-9 8-6 12.5 15-9 19-3 22-4 Spruce-Pine-Fir #2 8-7 13-5 17-9 22-3 25-9 8-6 12-5 15-9 19-3 22-4 Spruce-Pine-Fir 43 7-5 10-10 13-9 j 16.9 19-6 6-5 9-5' 11-11 14-6 16-10 (confinued) 2003,2006,2009,and 2012 INTERNATIONAL BUILDING CODE' 499 WOOD APRIL 2013 AMENDMENTS-LEGISLATIVE FORMAT TABLE 2308.10.3(2)—continued RAFTER SPANS FOR COMMON LUMBER SPECIES (Roof Live Load=20 pounds per square foot,Ceiling Attached to Rafters,L/A=240) DEAD LOAD=10 pounds per square foot DEAD LOAD=20 pounds per square foot RAFTER 21(4 2 x 6 2 x 8 2x10 1 2x12 2x4 2x6 2x8 2x10 .2x12 SPACING SPECIES AND GRADE (inches) Maximum rafter spans (ft.-in.) (ft-in.)in.) (ft.-In.) (ft.-in.) (ft.-In.) (ft.-In.) (ft.-In.) (ft.-In.) (ft.-in.) (ft.-In.) ouglasFir-Larch SS 8-11 14-0 18-5 23-7 26-0 8-11 14-0 18-5 22-7 26-0 Douglas Fir-Larch #1 8-7 13.6 17-9 21-8 25-2 -4 12-2 15-4 18-9 21-9 Douglas Fir-Larch #2 8-5 13-1 16-7 20-3 23-6 7-9 11-4 14-4 17-7 20-4 Douglas Fir-Larch #3 6-9 9-11 12-7 15-4_ 17-9 5-10 8-7 10-10 13-3 15-5 Hein-Fir SS 8-5 13-3 17-5 22-3 26-0 8-5 13-3 17-5 22-3 25-9 Heni-Fir !#1 8-3 12-11 17.1 21-1 24-6 8-1 11-10 15-0 18-4 21-3 Hein-Fir #2 7-10 12-4 16-3 20-0 23-2 7-8 11-2 14-2 17-4 20-1 Hein-Fir #3 6-9 9-11 12-7 15-4 17 9 5-10 8-7 10-10 13-3 15=5 Southern Pine SS 8-9 13-9 18 2 23-1 26-0 8-9 13-9 18-2 23-I 26-0 19.2 Southern Pine 41 5-7 43£ 47-9 2—L-8 Ne" 8-7 4-3-6 4#-3- 20 8-5 13-3 17-5-5 2112 251 8_4 12-4 15-8 16-4-4 21-9-9 Southern Pine ##2 43-3 444 24-10 54 11-1 F -144 •1$-4 2-" 8-11 12-3 15--7-7 116 21-9 7-1 10-3 13-6 16=0 18-10 Southern Pnie #3 4-3 48-5 444 4" 49-4- &4 9-3 444 13`18 4-" 66_4 9_4 11-9 14-3 16-10 5-66 8-1 1 10-2 12.4 14-7 spruce-Pine-Firs SS 8-3 12-11 17.1 21-9 26-0 8-3 12-11 17-1 21-0 24-4 spruce-pine-Mr• 41 8-1 12-8 16-7 20-3 23=6 7-9 11-4 14-4 17-7 20-4 Spruce-Pine-Fir 42 8-1 12-8 16-7 2.0-3 23-6 7-9 11-4 14-4 17-7 20-4 Spruce-Pine-Fir 43 6-9 9-11 12-7 15-4 17-9 5-10 8-7 10.10 13-3 15-5 Douglas Fir-Larch SS 8-3 13-0 17-2 21-10 26-0 8-3 13-0 16-7 20.3 23.5 Douglas Fir-Larch, 41 8-0 12-6 15-10 19-5 22-6 7-5 10-10 13-9 16-9 19-6 Douglas Fir-Latch 42 7-10 11-9 14-10 18-2 21-0 6-11 10-2 12-10 15-8 18-3 Douglas Fir-Larch #3 6-1 8-I0 11-3 13-8 15-11 5-3 7-8 9-9 11-10 13-9 em-Fir SS 7-10 12-3 16-2 20-8 25-1 7.10 12-3 16-2 19-10 23-0 Rein-Fir #1 7-8 12-0 15-6 18-11 21-11 7-3 10-7 13-5 16-4 19-0 Hem-Fir #2 7-3 11-5 14-8 17-10 20-9 6-10 10-0 12-8 15-6 17-11 Iem-Fir #3 6-1 8-10 11-3 13-8 15-11 5-3 7-8 9-9 11-10 13-9 SouthenPine SS 8-1 12-9 16-10 21-6 26-0 8-1 12-9 16-10 24--6 24 20-10 24-8-8 Southern Pine #1 4" 4-6-6 27" 4.2-3 45-4 4" 21-9 7-10 12-3 16-2 18-11 22-6 7-55 11-1-1 140 16-5 19-6 oudiein fine #2 718 4-L4 15 4 23 ;L3 4" 4-34 464 4 2-4 11-0 13-11 16-6 19-6 6-4 99-6 12=1 14-4 16-10 64 9-€, 4.2-1 44-4 4-7-1- -5-� S-3 -1.8-6 42-4 411-9 SouUrem;Pine #3 5-8 $,_4 10-6 12-9-9 15-1 4411 7-3 99_1 11_-0-0 11-1 Spruce-Pine-Fir SS 7-8 12-0 15-10 20-2 24-7 7-8 12-0 15-4 18-9 21-9 Space-Pine-Fir 41 7-6 11-9 14-10 18-2 21-0 6-11 10-2 12-10 15-8 18-3 pruce-Pine-Fir #2 7-6 11-9 14-10 18-2 21.-0 6--11 10-2 12-10 15-8 18-3 piece-Pine-Fir 43 1 6-1 8-10 11-3 - 13-8 15-11 5-3 7-8 9-9 11-10 13-9 For SI:l inch=25.4 min,1 foot=304.8 nun,1 pound per square foot=47.9 N(ni'-. 500 2003,2006,2009,and 2012 INTERNATIONAL BUILDING CODED APRIL 2013 AMENDMENTS—LEGISLATIVE FORMAT WOOD TABLE 2308.10.3(3) RAFTER SPANS FOR COMMON LUMBER SPECIES (Ground Snow Load'=30 pounds per square foot,Ceiling Not Attached to Rafters, L(A=180) DEAD LOAD=10 pounds per square foot DEAD LOAD=20 Pounds per square foot RAFTER 2x4 2x6 2-8 1 2,,10 T 2x12 2 4 2x6 2x8 2x10 2x12 SPACING SPECIES AND GRADE (inches) Maximum rafter spans (ft.-In.) (ft.-fn.) (ft.-in.) (ft:-in.) (ft.-in.) (ft.-in.) (ft.-in.) (ft,-ln.) (ft.-in.) (ft.-In.) Douglas Fir-Larch SS 10-0 15-9 20-9 26-0 26-0 10-0 15-9 20-1 24-6 26=0 Douglas Fir-Larch #1 9-8 14-9 18-8 22-9 26-0 9-0 13-2 16.8 20-4 23-7 Douglas Fir-Larch #2 9-5 13-9 17-5 21-4 24-8 8-5 124 15-7 19-1 22-1 Douglas Fir-Larch #3 7-1 10-5 13.2 16-1 18-8 6-4 9-4 11-9 14-5 16-8 Hern-Fir SS 9-6 14-10 19-7 25-0 26-0 9-6 14-10 19.7 24-1 26-0 Hem-Fir #1 9.3 14-4 18-2 22-2 25-9 8=9 12-10 16.3 19-10 23-0 Hem-Fir #2 8-10 13-7 17-2 21-0 24-4 8-4 12-2 15-4 18-9 21-9 Hern---Fir 43 7-1 L0-5 13-2 16-1 18-8 6-4 9-4 I1-9 14-5 16-8 Southem Pine SS 9-10 15.6 20-5 26-0 26-0 9-10 15-6 20-5 25-4 26-0 12 9-8 4-5-2 ?9 0 34-9 9-S )-4-18 d-8-& ??-3 26-0 Southern Pine #1 26-0 9-6 14-10 1-0 23-3-3 9_.:._0 1355 17-0=0 19 41 23-7 SoutliemPine 42 .W-4 41-8 2-" 42 11 4" 1-1 12-11 16-4 !9_5 22-10 11-7 14 20-5 Sout11CI11Phie 43 7_q 44-2 44-3 1619 6-9 4" 4-3-9 4-5-4 4-7-1•}- 6_7 99 12-4 15-0 5_I1 $-9 1"0 13-5 15-10 Spruce-Pine-Fu SS 9-3 14=7 19-2 24-6 26-0 9-3 14-7 18-8 22-9 26-0 Spruce-Pine-Fit' 41 9-1 13-9 17-5 21-4 24-8 8-5 12-4 15-7 19-1 22-1 Sptuce-Piie-Fir #2 9-1 13-9 17-5 21-4 24-8 8-5 12-4 15.7 19-1 22-1 Spruce-Pure-Fir #3 7-1 10-5 13-2 1 16-1 18-8 6-4 9-4 11-9 14.5 1 16-8 Douglas Fir-Larch SS 9-1 14-4 18.10 23-9 26-0 9-1 13-9 17-5 21-3 24-8 Douglas Fir-Larch #1 8-9 12-9 16-2 19-9 22-10 7-10 11-5 14-5 17-8 20-5 Douglas Fir-larch #2 8-2 11-11 I5-1 18-5 21-5 7-3 10-8 13-6 16-6 19-2 Douglas Fir-Larch 43 6-2 9-0 11-5 13-11 16-2 5.6 8-1 10-3 12-6 14-6 Hem-Fir SS 8-7 13.6 17-10 22-9 26-0 8-7 13-6 17-1 20-10 24-2 Hein-Fir #1 8-5 12-5 15-9 19-3 22-3 7-7 11-1 14-1 17-2 19-11 Henn-Fir 42 8-0 11-9 14-11 18-2 21-1 7-2 10-6 13-4 16-3 18-10 FIem-Fir #3 6-2 9-0 11-5 13-11 16-2 5-6 8-1 10-3 12-6 14-6 Southern Pine SS 8-11 14-1 18-6 23-8 26.0 8-11 14-1 4" 234 26-8 16 X8-5• 21-11 25-11 Southem Pine #'i 44-9 44�4 -2" 4-6-7 12 10 44-2 194 221e 13.0 16-0 19-3 22-10 7j 11 44 173 t15 Southern Pine 42 4a H 444 49-3 2-2-4 749 14-22 44-5 14-3 38-2 7-6 11✓2 14-2 16.10 19-10 6-8 1-0 12-8 151 17-9 Southern Pine #3 64 94 4-14 444 444 540 S 8 444 4-3-0 43 6 5-9 80_,6 10-8 13-0 154 5-2 7-7 9-7 11-7 13-9 prilce-Pine-Fir SS 8.5 13-3 17-5 22-1 25-7 8-5 12-9 16.2 19.9 22-10 Spntce-Pine-Fir #1 8-2 11-11 15-1 18-5 21-5 7-3 10-8 13-6 16-6 19-2 r Truce-Pine-Fix` #2 8-2 I1-11 15-1 18-5 21-5 7-3 10-8 13-6 16-6 19-2 pruce-Pine-Fig• #3 6-2 9-0 11.5 13.11 16-2 5-6 8-1 10-3 12-6 14-6 (Confill ed) 2003,2006,2009,and 2012 INTERNATIONAL BUILDING CODE® 501 WOOD APRIL 2013 AMENDMENTS–LEGISLATIVE FORMAT TABLE 2308.10.3(3)—continued RAFTER SPANS FOR COMMON LUMBER SPECIES Ground Snow Load=30 pounds per square toot,Ceiling Not Attached to Rafters L/A=180 DEAD LOAD=10 pounds per square toot DEAD LOAD=20 pounds per square foot RAFTER 2x4 2x6 2 x 8 2x10 2x12 2x4 2x8 2x8 2x10 2x12 SPACING SPECIES AND GRADE (inches) Maximum rafter spans (ft.-in.) (ft.-in.) (ft.-4) (ft.-In.) (ft.-In.) (ft.-In,) (ft.-in.) (ft.-In.) (ft.-In.) (".-In.) Douglas Fir-Larch SS 8-7 13-6 17-9 21-8 25-2 8-7 12-6 15-10 19-5 22-6 DouglasFir-Larch 41 7-11 11-8 14-9 18-0 20-11 7-1 10=5 13-2 16-1 18-8 ouglasFir-Larch #2 7-5 10-11 13-9 16-10 19-6 6-8 9-9 12-4 15-1 17-6 Douglas Fir-Larch #3 5-7 8-3 10-5 12-9 14-9 5'-0 7-4 9-4 11-5 13-2 Hem-Fir SS 8-1 12-9 16-9 21-4 24-8 8-1 12-4 15-7 19-1 22-1 Hein-Fir !lt 7-9 11-4 14-4 17-7 20-4 6-11 10-2 12-10 15-8 18-2 en-Fir• #{2 7-4 10-9 13-7 16-7 19-3 6-7 9-7 12-2 14-10 17-3 Fleur-Fir #3 5-7 8-3 10-5 12-9 14-9 5-0 7-4 9-4 11-5 13-2 SouthemPine SS 8-5 13-3 17=5 22.3 26-0 8-5 13-3 4-7-5 2" 24-9 19.2 ryn '1 16-10 25-0 23-7 Southern Pine #1 S-3 46" � ?3-4 7-1-1 11 0 44� 44-6 20 1 1 8-0 11-10 15-1 17-7 20-11 7_-11 10-7 13-5 15-9 18 Southern Pule #2 -7-4 4.1--5 44-9 4-7-7 4-0-7 7-4 444 4-S-9 444 L-LO 102 12-11, 15-4 18-1 661 9-2 11-7 13-9 162 SouthemPine #3 8 8 44-4 4-34 1 1 3-4 74 404 }4-11 5-3 7_9 9-=9 11-10 14-0 4-8 LU 8-9 10=7 ,12=6 Spruce-Pine-Fn- SS 7-11 12-5 16-5 20-2 23-4 7-11 11-8 14-9 18-0 20-11 Spruce-Pine-Fir ill 7-5 10-11 13-9 16-10 19-6 6-8 9-9 12-4 15-1 17-6 Spruce-Pine-lair #2 7-5 10-11 13-9 16-10 19.6 6-8 9-9 12-4 15-1 17-6 Spruce-Pine-Fir #3 5-7 8-3 10-5 12-9 14-9 5-0 7-4 9-4 11-5 13-2 Douglas Fir-Larch SS 7-11 12.6 15-10 19-5 22-6 7-8 11-3 14-2 17-4 20-1 Douglas Far-Larch #1 7-1 10-5 13-2 16-1 18-8 6.4 9-4 11-9 14-5 16-8 Douglas Fir-Larch #2 6-8 9-9 12-4 15-1 17-6 5-11 8-8 11-0 13-6 15-7 Douglas Fir-Larch #3 5-0 7-4 9-4 11-5 13-2 4-6 6-7 8-4 10-2 11-10 Hem-Fir SS 7-6 11-10 15-7 19-1 22-1 7-6 11-0 13-11 17-0 19-9 Hein-Fir #1 6-11 10-2 12-10 15.8 18.2 6-2 9-1 11-6 14-0 16.3 Hem-Fir #2 6-7 9-7 12-2 14-10 17=3 5-10 8-7 10-10 13-3 15-5 Hem-Fir 43 5-0 7-4 9-4 11-5 13-2 4-6 6-7 8-4 10-2 1,1-10 SouthemPine SS 7-10 12-3 16-2 a" 25-1 7-10 444 -164 494 434 24 ZQ-0 23-7 11-10 15-0-0 17-11 21, 2 SouthemPine #1 44--9 -i-" 44-6 ' -7-1 4" '-? —7-1 10-7 13-5 15-9 18.8 6-44 9-6 12-0 14-1 . Southern Pine #2 -74 404 44-2 4-5-9 444 64 9_2 4-1-9 144 4-6`6 6_1 9-2 11-7-7 13.9 16-2 55-5 8-22 10-4 .12-3-3 14-6 outlternPine #3 -5 4 ---i-ri -104 1-1-11 44-2 4-9 -7-4 04 4" 4.24 4-8 6_11 1 899 10-7 12-6 442 6-2 7,_10 9_6 11-2 prucc-Pine-Fir SS 7-4 11-7 14-9 18-0 20-11 7-1 10-5 13-2 16-1 18-8 Spree-Pine-Fir #1 6-8' 9-9 12-4 15-1 17-6 5-11 8-8 11-0 13-6 15.7 Spruce-Pine-Fir #2 6-8 9-9 12-4 15-1 17-6 5-11 8-8 11-0 13-6 15-7 Spruce-Pine-Fir #3 1 5-0 7-4 9-4 1 11-5 13.2 4-6 6-7 8-4 10-2 11-10 For SI:I inch=25.4 corn,I foot=304.8 nun;1 pound per square foot 47.9 N/nnz. 502 2003,2006,:2009,and 2012 INTERNATIONAL BUILDING CODED APRIL 2013 AMENDMENTS-LEGISLATIVE FORMAT WOOD TABLE 2308,10.3(4) RAFTER SPANS FOR COMMON LUMBER SPECIES (Ground Snow Load=50 pounds per square foot,Ceiling Not Attached to Rafters, LIA=1'80) DEAD LOAD-10 pounds per square foot DEAD LOAD=20 pounds per square foot RAFTER 2x4 2x6 2 x 8 2x10 1 2x12 2 2x6 2x8 2x10 2'x12 SPACING SPECIES AND GRADE (inches) Maximurn rafter spans (ft. In.) (ft.-in.) ft-in.) ft-in.) (ft.-In.) (ft.-'ln.) (fl-In.)In.) (ft.-in.) (ft.-In.) (ft.-in.) Douglas Fu-Larch SS 8-5 13-3 17-6 22-4 26-0 8-5 13-3 17-0 20-9 24-10 Douglas Fir-Larch #1 8-2 12-0 15-3 18-7 21-7 7-7 112 14-1 17-3 20-0 Douglas Fir-Larch #2. 7-8 11-3 14-3 17-5 20-2 7-1 10-5 13-2 16-1 188 Douglas Fir-Larela #3 5-10 8-6 10.9 13-2 15-3 5.5 7-10 10-0 12-2 14-1 Hem-Fir SS 8-0 12-6 16-6 21-1 25-6 8.0 12-6 16-6 20-4 23-7 )-Teri-Fir #1 7-10 11.9 14-10 18-1 21-0 7-5 10-10 13-9 16-9 19-5 Hem-Fir #2 7-5 11-1 14-0 17=2 19-11 7-0 10-3 13-0 15-10 18-5 Hem-Fir #3 5-10 8-6 10-9 13-2 15-3 5-5 7-10 10-0 12-2 14-1 444 Soudtem Pine SS 8-4 17-2 21-11 26-0 8-4 43 9 17-2 2iH 12 1311 13-1-I 21-5 25-3 SOndlerii Pine #1 9-4 12 10 4.6--10 428-3 2-" 8-22 1.24 4-5A 1" ?2- 8_0 12-3 15-6 10-2-2 21-7 7-7 11-4 1a-5-5 16-1 20-0 SoutheinPine 42 S-0 4-1-9 43-3 442 -244 74 443 11 4-44 46 1-8 43-9 1-0 l0-6 13-4 15-10 1$-8 6 6 —9 i (4$ ]7 Southern Pine #3 6-2 -a 44-9 49-9 444 3-9 44 1" n-9 44-22 5-_5 8=0 1 10-1 12-3 14C- 5-0 7-5 9-4 11-4. 13-5 Spruce-Pine-Fir SS 7-10 12-3 16-2 20-8 24-1 7-10 12-3 15-9 19-3 22-4 Spruce-Pine-Fir #1 7-8 11-3 14-3 17-5 20-2 7.1 10-5 13-2 16-1 18.8 Spruce-Pure-Fir #2 7-8 11-3 14-3 17-5 20-2 7-1 10-5 13.2 16-1 18-8 Spruce-Pine-Fir #3 5-10 8-6 10-9 13-2 15-3 5-5 740 10-0 12-2 14-1 Douglas Fir-Larcli SS 7-8 12-1 15-10 19-5 22-6 7-8 11-7 14-8 17-11 20-10 Douglas Fir--Larch #1 7-1 10-5 13-2 16-1 18-8 6-7 9-8 12-2 14-11 17-3 Douglas Fir-Larch ##2 6-8' 9-9 12-4 15-1 17-6 6-2 9-0 11-5 13-11 16-2 Douglas Fir-Larch #3 5-0 7-4 1 9-4 11-5 13-2 4-8 6=10 8-8 10-6 12-3 Hem-Fir SS 7-3 11-5 15-0 19-1 22-1 7-3 11-5 14-5 17-8 20-5 Hein-Fir #1 6-11 10-2 12-10 15-8 18-2 6-5 9-5 11-11 14-6 16-10 Hem-Fir #2 6-7 9-7 12-2 14-10 17-3 6-1 8-11 11-3 13-9 15-11 Hein-Fir 43 5-0 7-4 9-4 11-5 13-2 4-8 6-10 8-8 10-6 12.3 SoudiemPine SS 7-6 11-10 15-7 19-11 2-4-3 7-6 11-10 15-7 19 11 23'10 16 23-7 10-6-6 21-10 SoudtemPine 41 4­3 44-7 44-9 474 2011 7-4 1019 4" 444 4-9-4 7_1 10-7 I1-5 15_9 t0-8 7 99-10 12-5-5 4L9 17-3 Southern Pine 42 7-4 4.94 4" 4,5-5 64 94 4.34 44-4 4.74 661 99-2 11-7-7 13-9 16-2 55^8 8-5 10-9-9 12-9 15.0 SouthernPnte 43 --4 7-14 404 1-1-1.1 44-2 444 7-4 9-4 444 434 4^8 6-11 8-9 10-7 12-6 4-4 1 6-5 8-1 9-10 11-7 Spruce-Pine-Fur SS 7-1 112 14-8 18-0 20-11 7-1 10-9 13.8 16-8 19-4 Spruce-Pine-Fit- 41 6-8 9-9 12-4 15-1 17-6 6-2 9-0 J 1-5 13-11 16-2 Spiuee-Pine-Fir 42 6-8 9-9 12-4 15-1 17-6 6-2 9-0 I1-5 13-11 16-2 Spruce-Pine-Fn' ##3 5-0 7.4 9-4 11-5 13-2 4-8 6-10 8-8' 10-6 12-3 r��Mf��fl�ez 2003,2006,2009,and 2012 INTERNATIONAL BUILDING CODE° 503 WOOD APRIL 2013 AMENDMENTS–LEGISLATIVE FORMAT TABLE 2308.10.3(4)—continued RAFTER SPANS FOR COMMON LUMBER SPECIES Ground Snow Load=50 p ounds per square foot Ceiling Not Attached to Rafters,L#A=180) DEAD LOAD=10 pounds per square foot DEAD LOAD=20 pounds per square foot RAFTER 2x4 2x'6 2x8 2x10 2x12 2x4 1 2x6 2x87 2x10 2x12 SPACING SPECIES AND GRADE (inches) Maximum rafter spans I[%-in.) (ft.-in.) (ft.-in.) (ft.-in.) (ft.-in.) (ft.-in.) (ft.-in.) (ft.-In.) (ft.-in.) (ft.-in.) ouglas Fir-Larch SS 7-3 11-4 14-6 17-8 20-6 7-3 10-7 13-5 16-5 19-0 Douglas Fir-Larch ##1 6-6 9-6 12-0 14-8 17-1 6=0 8-10 11-2 13-7 15=9 Douglas Fir-Larch 42 6-1 8-11 11-3 13-9 15-11 5-7 8-3 10-5 12-9 14-9 Douglas Fir-Larch #3 4-7 6-9 8-6 10.5 12-1 4.3 6-3 7-11 9-7 11-2 ern-Fir SS 6-10 10-9 14-2 17-5 20-2 6-10 10-5 13-2 16-1 18-8 Beni-Fir #1 6-4 9-3 11-9 14-4 16-7 5-10' 8-7 10-10 13-3 15-5 Hem-Fir #2 6-0 8-9 11-1 13-7 15-9 5-7 8-1 10-3 12-7 14-7 Hem-Fir 43 4-7 6-9 8-6 10.5 12-1 4-3 6-3 7-11 9-7 11-2 Southern Pine SS 7-1 11-2 14-8 44--9 -2210 7-1 11-2 44-9 444 2.1-9 19.2 10-3-3 21-7 14-2-2 16-11 20-0 SoutheraPine #1 -7-0 -1.8-5 04 1-6-0 494 9-44 -14-3 14 0-6 9-5 12-3 14-4 13-1-1 6_0 980 11_-4-4 11-4-4 15-9-9 Southern Pine 42 9-4 4" 41--4 16 1$ 6-8 &9 W4 44-4 444 5-7 8-4 10-7-7 12-6 14-9-9 5-2 71-9 999 11_-7 11-8 Souther Pine #3 44 7-4 9-2 48-10 4-1.44 4-6 6 S 8-6 184 42A 483 6644 880 998 11-5 44.0 5-10 7-4 8-il 10=7 Spruce-Pine-Fir SS 6-8 10-6 13-5 16-5 19-1 6-8 9-10 12-5 15-3 17-8 Spruce-Pate-FO- #1 6-1 8-11 11-3 13-9 15-11 5-7 8-3 10-5 12-9 14-9 Spruce-Pine-Fir #2 6-1 8-11 11-3 13-9 15-1.1 5-7 8-3 10-5 12-9 14-9 Spruce-Pine-Fir #3 4-7 6-9 8-6 10-5 12-1 4-3 6-3 7-11 9-7 11-2' Douglas Fir-Larch SS 6-8 10-3 13-0 15-10 18-4 6-6 9-6 12-0 14-8 17-0 Douglas Fir-Larch ##1 5-10 8-6 10-9 13-2 15-3 5-5 7-10 10-0 12-2 14-1 DouglasFir-Larch #2 5.5 7-11 10-1 12-4 14-3 5-0 7-4 9-4 I1-5 13.2 Douglas Fir-Larch #3 4-1 6-0 7-7 9-4 10-9 3-10 5-7 7-1 8-7 10-0 Flem-Fir SS 6-4 9-11 12-9 15-7 18.0 6-4 9-4 11-9 14-5 16.8 Henn-Fir #1 5-8 8-3 10-6 12-10 14-10 5-3 7-8 9-9 11-10 13-9 Hem-Fir #2 5-4 7-10 9-11 12-1 14-1 4-11 7-3 9-2 11-3 13-0 Hem-Fir #3 4-1 6-0 7-7 9-4 10-9 3-10 5.7 7-1 8-7 10-0 Southem Pine SS 6-7 10-4 13-8 4?4 2" 6-7 44A 434 464 1.4:5 24 16-4 19-3 10-0 128 15-2 17-10 Southern Pine 41 9-4 4" 14-4 4-T4 6-8 518 '-2 4-5-9 5_10 888 11-0-0 12-10 15-3 55-_ 8=0 10-? 11-11 14-1 Southern Pine 112 3 1A 3-4 49 9 12 18 4-5-4 44 44 4" 11 11 13 11 5-0 7-5 2z5 11-3 13-2 44-7 6-11 889 10.5 121-3 S011ilnelll Pine #3 4-4 Era 9-9 44-7 4-4 6-9 -7-4 4" 310 55-88 7_l 8_8 10-3-3 3•_6 5-3 6-7 880 9_6 pr:uce-Pine-Fir SS 6-2 9-6 12-0 14-8 I7-1 6-0 8-10 11-2 13-7 15-9 Spruce-Pine-Fir #1 5-5 7-11 10-1 12-4 14-3 5-0 7-4 9-4 11-5 13-2 Spruce-Pine-rir 42 5-5 7-11 10-1 12-4 14-3 5-0 7-4 9-4 I1-5 13-2 spruce-Pine-Fir #3 4-1 6.0 7-7 9-4 10-9 3-10 1 5-7 7-1 8-7 10-0 For SI:I inch=25.4 inn,I foot=304.8,nun,1 pound per square foot=4T9 N/m2. 504 2003,2006,2009,and 2012 INTERNATIONAL Bt11LDING CODE® APRIL 2013 AMENDMENTS-LEGISLATIVE:FORMAT WOOD TABLE 2308.10:3(5) RAFTER SPANS FOR COMMON LUMBER SPECIES (Ground Snow Load=30 pounds per square foot,Ceiling Attached to Rafters,LIA=240) DEAD LOAD=10 pounds per square foot DEAD LOAD=20 pounds per square foot RAFTER 2x4 2x8 2x8 2x10 1 2x12 I 2x4 1 2x6 2x8 2x10 2x.12 SPACING SPECIES AND GRADE (inches) Maximum rafter spans (ft. In.) (ft.-In;) (ft.-in.) (ft.•In:) (ft:-In j (ft.-in'.) (ft.-in.) (ft.-in.) (ft.-in.) (ft.-in.) Douglas Fir-Larch S5 9-1 14-4 18-10 24-1 26-0 -1 14-4 18-10 24-1 26-0 DouglasFir-Larch #11 8-9 13-9 18-2 22-9 26-0 8-9 13-2 16-8 20-4 23-7 Douglas Fir-Larch #2 8-7 13-6 17-5 21-4 24-8 8-5 12-4 15-7 19-1 22-1 Douglas Fir-Larch 1#3 7-1 10-5 1,3-2 16-1 18-8 6-4 9-4 11-9 14-5 16-8 Hein-Fir SS 8-7 13-6 17-10 22-9 26-0 8-7 13-6 17-10 22-9 26=0 Hem-Fir #1 8-5 13-3 17-5 22-2 25-9 8-5 12-10 16.3 19-10 23-0 Hem-Fir 42 8-0 12-7 16-7 21-0 244 8-0 12-2 15-4 18-9 21-9 Hein-Fir #3 7-1 10-5 13-2 16 18-8 i 6-4 9-4 11-9 14-5 16-8 SoutlienPine SS 8-11 14-1 18-6 23-8 26-0 8-11 14-1 18=6 23-8 26-0 12 26-o Southern Pine #1 � -1�-? 23-2 2Er-0 � 4-3-9 4-£1 3 13-6 17-10 22-3 8_7 13.5 170 19-11 21-7 Southern Pine 42 &4 17--10 22r-3 26-9 4-7 Q-1-1- 4" W 1-1 23-4 88-33 12-11 16-4 19-5 22-10 7-88 13.7 14-8 17-4 2025 Southern Pule #3 7-7 44-2 14-4 4440 40-0 4" 454 1:7 11 6_7 2-9 1?-4-4 15-0 17- 541 8�9 11-0 13-5 15-10 Spruce-Pine-lair SS; 8-5 13-3 17-5 22-3 26-0 8=5 13-3 17-5 22-3 26-0 Spruce-Pine-Fir #1. 8.3 12-11 17-0 21-4 24-8 8:-3 12-4 15-7 19-1 22-1 Spruce-Pine-Fir #2 8-3 12-11 17-0 21-4 24-8 8-3 12-4 15-7 19-1 22-1 pnice-Pine-Fir #3 7-1 10-5 13-2 16-1 18-8 6-4 9-4 11-9 14-5 16.8 Douglas Fir-Larch SS 8-3 13-0 17-2 21-10 26-0 8-3 13-0 17-2 21-3 24-8 Douglas Fir-Larch 41 8-0 12-6 16-2 19-9 22-10 7-10 11-5 14-5 17-8 20-S Douglas Fir-Larch, 42 7-10 11-11 15-I 18-5 21-5 7-3 10-8 13-6 16-6 19-2 Douglas Fir-Larch #3 6-2 9-0 11-5 13-11 16-2 5-6 8-1 10-3 12-6 14-6 Hein-Fir SS 7-10 12-3 16-2 20-8 25-1 7-10 12-3 16-2 20-8 24-2 Hem-Fie #1 7-8 12-0 15-9 19-3 22-3 7-7 11-1 14-1 17-2 19-11 Hein-Fir #2 7-3 11-5 14-11 18-2 21-1 7-2 10-6 13-4 16-3 18-10 Hem-Firr 43 6-2 9-0 11-5 13-1`1 16-2 5-6 8-1 10-3 12-6 14-6 soudzenrpure SS 8-1 12-9 16-10 21-6 26-0 8-1 12-9 16-10 21-6 2" 16 25-1-1 Southern fine #1 12-£ 1- 214 25-7 44-6 4" 4-9-2 22-1-A L-LO 12.3 16-2 14-3 22-10 7-14 11-7 149 17-3 2/-5 Southern Pule #2 7-" 44 19-3 224 x-19 412 44-5 47-3 2" 11-2 14.2 JEW 19-10 6-8 U 12--8 15-1 9 Southern Pine 43 6-7 9-8 444 44-7 444 4-1411 43-9 4 5`9 8 66 108 1 13-0 15-4 1 5-2 77-7 1 9=7 11-7 1 13-9 Spruce-Pine-Fir SS 7-8 12-0 15.10 20-2 24-7 7-8 12-0 15-10 19-9 22.10 Spauce,Pine-Fit- 41 7-6 I1-9 15-1 18-5 21-5 7-3 10-8 13-6 16-6 19-2 Spruce-Pine-Fir 42 7-6 11.9 15-1 18-5 21-5 7-3' 10-8 13-6 16-6 19-2 Spitice-Pi ie-Fir ##3 6-2 9-0 11-5 13-11 16-2 5-6 8-1 10-3 12-6 14 6 (continatecl) 2003,2006,2009,and 2012 INTERNATIONAL BUILDING CODE°' 505 i i i I WOOD APRIL 2013 AMENDMENTS-LEGISLATIVE FORMAT TABLE 2308.10.3(5)—continued CRAFTER SPANS FOR COMMON LUMBER SPECIES Ground Snow Load=30 pounds per square foot,Ceiling Attached to Rafters,LIA=240 DEAD LOAD=10 pounds per square foot DEAD LOAD=20 pounds per square foot RAFTER 2x4 2x8 2x8 2x10 2x12 2'X4 2x8 2x8 2x10 2x12 SPACING SPECIES AND GRADE ---- (inches) Maximo n rafter spans (ft.-in.) (ft.-in.) ft-in.) (ft.-in.) (ft.-im) (ft.-in.) (ft.-in) (ft.-In.) (ft-in.) (ft.-1n.) Douglas Fir-Larch SS 7-9 12-3 16-1 20-7 25-0 7-9 12-3 15-10 19-5 22-6 DouglasFir-Larclr #'1 7-6 11-8 14-9 18-0 20-11 7-1 10-5 13-2 16-1 18-8 Douglas Fu-Larch #2 7-4 10-11 13-9 16-10 19-6 6-8 9-9 12-4 15-:1 17-6 Douglas Fir-Larch #3 5-7 8-3 10.5 12-9 14-9 5-0 7-4 9-4 11-5 13-2 Hem-Fir SS 7-4 11-7 15-3 19-5 23.7 7.4 11-7 15-3 1`9-1 22-1 Hein-Fit• #1 7-2 11-4 14-4 17-7 20=4 6-11 10-2 12-10 15-8 18-2 Hem-Fir 42 6-10 10-9 13-7 16-7 19-3 6-7 9-7 12-2 14-10 17-3 IIem-Fir 43 5-7 8-3 10-5 12-9 14-9 5-0 7-4 9-4 11-5 13-2 SouthernPitre SS 7-8 12-0 15-10 20-2 24-7 7-8 12-0 t5-10 ag-2 444 19.2 20-0 23-7 Souther Pine #1 q-6 •1-1-9 -13-6 404 -7-6 44-9 +7-6 201-1 74 11-7 15--1' 11-7 20-11 71: 107 13-5-5 15-9 10-8-8 Southern.Pine #2 14-9 4-7-7 204 7-4 4-2 4-54 4-84 6-10 102 12-11 15-4 18-1 6_1 9^2 11-7 t3.9 16-2 Southern Pine #3 940 44 3 444 15 10 3-4 -7-44 4" 11 11 444 553 7-99 9_9 11.10 U& 4_8 6_11 1 88`-9-9 10-7 12-6 Spruce-Pine-Fir SS 7.2 11-4 14-11 19-0 23-1 7-2 11-4 14-9 18-0 20-11 Spruce-Pine-Fir #1 7-0 10-11 13-9 16-10 19.6 6-8 9-9 12-4 I5-1 17-6 Spruce-Pinc-Fir #2 7-0 10.11 13-9 16-10 19-6 6-8 9-9 12-4 15-1 17-6 Spruce-Pine-Fir #3 5-7 8-3 10-5 12-9 14-9 5-0 1 7-4 9-4 11.5 13-2 Douglas Fir-Larch SS 7-3 11-4 15-0 19-1 22-6 7-3 11-3 14-2 17-4 20-1 Douglas Fir-Larch #1 7-0 10-5 13-2 16-1 18-8 6-4 9-4 I1-9 14-5 16-8 Douglas Fir-Larch #2 6.8 9-9 12-4 15-1 17-6 5-11 8-8 11-0 13-6 15-7 Douglas Fir-Larch #3 5-0 7.4 9-4 11.5 13-2 4-6 6-7 8-4 10-2 I1-10 Hem-Fit• SS 6-10 10-9 14-2 18-0 21-11 6-10 10-9 13-11 17-0 19-9 Hem-Fir #1 6-8 1,0-2 12.10 15-8 18-2 6-2 9-1 1,1-6 14-0 16-3 Hem-Fir #2 6-4 9-7 12-2 14-10 17-3 5-10 8-7 10-10 13-3 15-5 Hem-Fir 43 5-0 7-4 9-4 11-5 13-2 4-6 6-7 8-4 10-2 11-10 oudlem Pine SS 7-1 11-2 14-8 18-9 22.10 7-1 11-2 14-8 4" 22-1-0 24 17-11 21-2 Southeinpirie #1 44 10 11 444 4q4 20-1,}. 74 4." 4-3-4 4-34 fi 4" 610 10-7-7 13-5 15-9-9 18-8 664 9-6 12-0 14-1 16 8 Soudrem Pine 42 6-A 4" 444 4-5-9 4-5-3 &4 94 44-9 444 611 9•-22 11.7 139 162-2 5_5 8-2 10-4 �-3, 14-6 SouthemPine #3 -5-4 q44 40-4 1111 44-2 4-9 7 448 66-111 8_9 10-7 12.6 442 6_2 7^10 9-66 I1-2 Spiuce-Pine-Fir SS 6-8 10-6 13-10 17-8 20-11 6-8 10-5 13-2 16-1 18-8 Spruce-Pine-Fu• #1 6.6 9-9 12-4 15-1 17.6 5.11 8-8 11-0 13-6 15-7 Spruce-Pine-Fir 42 6-6 9-9 12-4 15-1 17-6 5-11 8-8 11-0 13-6 15-7 ptuce-Pine-Fir #3 5-0 1 7-4 9-4 1 11-5 13-2 4-6 6-7 8-4 10-2 11-10 For SI:1 inch=25.4 min,l foot=304.8 nom,l pound per square foot=47,9 Win. 506 2003,2008,2009,and 2012 INTERNATIONAL BUILDING CODED i APRIL 2013 AMENDMENTS—LEGISLATIVE FORMAT WOOD TABLE 2308.10.3(6) RAFTER SPANS FOR COMMON LUMBER SPECIES Ground Snow Load=50 pounds per square foot Ceilinfl Attached to Rafters, L/A 240) DEAD LOAD=10 pounds per square foot DEAD LOAD-20 pounds per square foot RAFTER 2x4 2x6 2x8 2x90 2x12 1 2x4 1 2;x6 2x8 2x10 2x12 SPACING SPECIES AND GRADE (Inches) Maximum rafter spans (ft.-In.) (ft.-In.) (ft.-In.) (ft.-in.) (ft.-in.) (ft.-in.) (ft.-`.in.) (ft.-in:) (ft.-in.) (ft.-in.) Douglas Fir-Larch SS 7-8 12-1 15-11 20-3 24-8 7-8 12-1 15-11 20-3 24-0 Douglas Fir-Lm-ch NI 7-5, 11-7 15-3 18-7 21-7 7-5 11-2 14-1 17-3 20-0 Douglas Fir-Larch #2 7-3 11-3 14.3 17-5 20-2 7-1 10-5 13-2 16-1 18-8 Douglas Fur-Larch 43 5-10 8-6 10-9 13-2 15-3 5-5 7-10 10-0 12-2 14-1 Hem-Fir SS 7-3 11-5 15-0 19-2 23-4 7-3 11-5 15-0 19-2 23-4 Hem-llr 41 7-1 11-2 14-8 18-1 21-0 7-1 10-10 13-9 16-9 19-5 Hem-Fir 42 6-9 10-8 14-0 17-2 19-11 6-9 10-3 13-0 15-10 1,8-5 Ilem-Fir 43 5-10 8-6 10-9 13-2 15-3 5-5 7-10 10-0 12-2 14-1 SouthenPine SS: 7-6 11-0 15-7 19-11 24-3 7-6 11-10 15-7 19-11 24-3 12 =7-5 -(-1-7 444 49-7 23 9 7--5 4-1-7 -£5-4 4" 2=�-4 Sauflrerxl Pine #'1 _7-33 I _5 12-0 )8-2 21-7 7-3 11-4 14-5 16-10 20-0 Southem Pine #2 7-3 44-5 1-5-1 45-22 44 73 10 J-1- 444 4E'-ltl +9-9 -11 10-6 13-4 15-10 ,{8-8 6-6 9_9 12.-4 17-3 Southem Pine #3 &4 9-2 44-8 43-9 444 3-9 8-5 l-" 424 13-2 6-5 80 10-1-1 123 14-6-6 5=0 755 9-4 111-4 135 Spnroe-Pine-Fir SS 7-1 11-2 14-8 18-9 22-10 7-1 11-2 14-8 18-9 22-4 Spruce-Pine-Fu #1 6-11 10-11 14-3 17.5 20-2 6-11 10-5 13.2 16-1 18.8 Spruce-Pine-Fir 42 6-11 10-11 14-3 17.5 20-2 6-11 10-5 13-2 16-1 18-8 Spruce-Pine-Fu' 43 5-10 8-6 10-9 13-2 15-3 5-5 7-10 10-0 12-2 14-1 Douglas Fir-U- SS 7-0 11-0 14-5 18-5 22-5 7-0 11-0 14-5 17-I1 20=10 Douglas Fir-Larch #1 6-9 10-5 13-2 16-1 18-8 6-7 9-8 12-2 14-11 17-3 Douglas Fir-Larch #2 6-7 9-9 12-4 15-1 17-6 6-2 9-0 11-5 13-11 16-2 Douglas Fir-Larch #3 5-0 7-4 9-4 11-5 13-2 4-8 6-10 8-8 10-6 12-3 Heni-F r SS 6-7 10-4 13-8 17.5 21-2 6-7 10-4 13-8 17-5 20-5 Hem-Fir #1 6-5 10-2 12-10 15-8 18-2 6-5 9-5 11-11 14-6 16-10 Hem-Fir #2 6.2 9-7 12.2 14-10 17-3 6-1 8-11 11-3 13-9 ' 15-11 Hem-Fir 93 5-0 7-4 9-4 11-5 13-2 4-8 6-10 8-8 10-6 12-3 SoutheruPine SS 6-10 10-9 14.2 18-1 22.0 6-10 10-9 14-2 18-1 2.2-9 16 2110 Soutliem Pine #1 4.04 d3-H 47-6 2011- 6--9 444 4-" 6`7 10-4-4 13-5 15-9 18-8 6._7 9-10 12-5 14-7-7 17-3 Southem Pine #2 6-7 4" 434 1" 444 4-4 94 1--2 14-7 4-7-4 6=1 9-2 13-7_ 3-9 16-2 5-8 88--5 10-9 12-9 15-0 Southern Pine #3 34 744. 40-4 11-11 44-23 444 7-4 94 4-1-8 4-3-4 4;8, (i ll 88-9 10-7 12.6 4-44 6-5 $-1 9-10 jil Space-Pine-Fir• SS 6-5 10-2 13-4 17-0 20-9 6-5 10-2 13-4 16-8 19-4 Spruce-Pine-Fir #1 6-4 9-9 12-4 15-1 17-6 6.2 9-0 11-5 13-11 16-2 Spruce-Pine-Fir #2 6-4 9-9 12-4 15-1 17-6 6-2 9-0 11-5 13-11 16-2 Spruce-Pine-Fir #3 5-0 7-4 9-4 I1-5 13-2 1 4-8 6-10 8-8 10-6 12-3 (conlinueil) 2003,2006,2009,and 2012 INTERNATIONAL BUILDING CODED 507 WOOD MARCH 2013 AMENDMENTS-LEGISLATIVE FORMAT TABLE 2308:10.3(6)—continued RAFTER SPANS FOR COMMON LUMBER SPECIES Ground Snow Load=50 pounds per Square foot,Ceiling Attached to Rafters LIA=240 DEAD LOAD=10 pounds per square foot DEAD LOAD=20 pounds per square foot RAFTER 2-4 2x6 2x8 2x10 1 2x12 2x4 I 2x6 2x8 2x10 2x12 SPACING SPECIES AND GRADE (inches) Maximum rafter spans (ft.-in.) (ft.-in.) (ft-in.) (ft.-1ia.) (ft-tn,) (ft.-In.) (ft-1n.) (ft.-in,) (ft.-in.) (%-in.) Douglas Fir-Larch SS 6-7 10-4 13-7 17-4 20-6 6-7 10-4 13-5 16-5 19-0 Douglas Fir-Larch #1 6-4 9-6 12-0 14-8 17-1 6-0 8-10 11=2 13-7 15-9 Douglas Fir-Larch 142 6-1 8-11 11-3 13-9 15-11 5-7 8-3 10-5 12-9 14-9 ouglas Fii=Larch #3` 4-7 6-9 8-6 10-5 12-1 4-3 6-3 7-11 9-7 11-2 Fleni-Fir SS 6-2 9-9 12-10 16-5 19-11 6-2 9-9 12-10 16-1 18-8 Hein-Fir 41 6-1 9-3 11-9 14-4 16-7 5-10 8-7 10-10 I3-3 15-5 F3enn-Fin' 62 5-9 8-9 1'1-1 13-7 15-9 5-7 8-1 10-3 12-7 14-7 Hein-Fir #3 4-7 6-9 8-6 10-5 12-1 4-3 6-3 7-11 9-7 11-2 Southern Pine SS 6-5 10-2 13-4 1.7-0 20-9 6-5 10-2 13-4 19.2 16-11 Southern Pi is 41 6-4 1444 44--6 46-0 4-9 A" 4-24 + 9 6-2 9-8 12-3 17-1 6-0 9„ 0 11-4 13-4 13�- 159-9 Soudieni Pine 42 9-4 4-2-9 444 4-6-10 6-8 8-8 44-2 4-3-=+ -7 8 44 10-7 12-6 14-99 5 7,T9 9-99 11-7 L3-8 13-8 Southein Pine 113 444 '� 9-? io io i2 Ll 4-€' 6-8 `4 F' 444 44-9 4_-3-3 §-1 8-0 1 9-8 11-5 1 440 5_10 7_4 8_11 Ia-7 Spruce-Pine-Fir SS 6-1 9-6 12-7 16-0 19-1 6-1 9-6 12.5 15-3 17-8 Spruce-Pine-Fir #1 5-11 8-11: 11-3 13-9 15-11 5-7 8-3 10-5 12-9 14-9 Spruce-Pine-Fir ##2 5-11 8-11 11-3 13-9 15-11 5-7 8-3 10`5 12-9 14-9 Spruce-Pine-Fu 03 4-7 6-9 8-6 10-5 12-1 4-3 6-3 7-11 1 9.7 112 Douglas Fir-Larch SS 6-1 9-7 12-7 15-10 18-4 6-1 9-6 12-0 14-8 17=0 Douglas Fit-Larch #1 5-10 8-6 10-9 13-2 15-3 5-5 7-10 10-0 12-2 14-1 Douglas Fir-Larch ##2 5-5 7-11 10-1 12-4 14-3 5-0 7-4 9-4 11-5 13-2 Douglas Fir-Larch #3 4-1 6.0 7-7 9-4 10-9 3-10 5-7 7-1 8-7 10-0 Hein-Fir SS 5-9 9-1 11-11 15-12 18.0 5-9 9-1 11.9 14-5 16-8 Hein-Fir #1 5-8 8-3 10-6 12-10 14-10 5-3 7-8 9-9 11-10 13-9 Hein-Fir #2 5-1. 7-10 9-11 1.2.1 14-1 4-11 7-3 9-2 11-3 13-0 Hem-Fir #3 4-1 6-0 7-7 9-4 10-9 3-10 5-7 7-1 8-7 10=0 Southern Pine S'S 6-0 9-5 12-5 15-10 19-3 6-0 9-5 12-5 4318 4 24 15-2 17-10 Southern Pure #1 3 48 0-3 444 4-44 444 640 13 48 24-2 44-3 4-54 5-9 8-8 11-0 12-10 15-3 5_5 8-0 10-2-2 17-11 A I SoutliemPiffle #2 3-9 4" 44 40 344 3-5 -7-9 -1-9 0 41-41 13-I It 5-00 7-55 9-55 11-3 13-2 4-7 6611 8_9 10-5-5 12-3 Southern Pine #3 -4-4 64 8-4 44-4 -4-4 -7-4 40-5 3_10 5�-3 7-11 8-88 10-3 3-66 553 1 6-7 8-�0 9-66 Spruce-Pine-Fir SS 5-8 8-10 11-8 14-8 17-1 5-8 8-10 11-2 13-7 15-9 Spruce-Pine-Fir 111 5-5 7-11 10-1 12-4 14-3 5-0 7-4 9-4 11-5 13-2 Spruce-Pinc�Fiv #2 5-5 7-11 10-1 12-4 14.3 5-0 7-4 9-4 11-5 13-2 Spruce-Pu c-Fu 43 1 4-1 6.0 7-7 9=4 10-9 1 3-10 5-7 7-1 8-7 10-0 For SI:I inch=25.4 nun,l foot=304.8 ruff,1 pound per square foot=47.9 N/n? 508 2003,2006,2009,and 2012 INTERNATIONAL BUILDING CODE`e Ordinance 2013-CD-BC-G-1011 Span Tables Building Codes Amended Page 2 of R502 Wood Floor Framing. The following tables in Section R502 are amended as fol- lows: [INSERT TABLES ATTACHED AS EXHIBIT BI 8602 Wood Wall Framing. The following tables in Section R602 are amended as fol- lows: [INSERT TABLES ATTACHED AS EXHIBIT C) R802 Wood Roof Framing. The following tables in Section R802 are amended as fol- lows: [INSERT TABLES ATTACHED AS EXHIBIT D] Section 4: Severability. If any provision of this Ordinance or part thereof is held invalid by a court of competent jurisdiction, the remaining provisions of this Ordinance shall remain in full force and effect, and shall be interpreted, applied, and enforced so as to achieve, as near as may be, the purpose and intent of this Ordinance to the greatest extent permitted by applicable law. Section 5: Effective Date. This Ordinance shall be in full force and effect from and after its passage, approval, and publication in the manner provided by law. [SIGNATURE PAGE FOLLOWS] APRIL 2013 AMENDMENTS-LEGISLATIVE FORMAT EXHIBIT B FLOORS TABLE R502.3.1(1) FLOOR JOIST SPANS FOR COMMON LUMBER SPECIES (Residential sleeping areas,live load=30 psf,UA=360)' DEAD LOAD'=10 nsf DEAD LOAD=20 usf _ 2x6 2x:8 2x10 2x12 2x6 1 2x8 2x10 2x12 JOIST SPACING Maximum floor Joist scans (inches) SPECIES AND GRADE (ft-in.l (ft-Fn-1 (ft-KI (ft-in-1 (ft-in.) lft-In.) (ft-Ina fft-1n.1 Doug lasfir-larch SS 12-6 16-6 21-0 25-7 12-6 I6-6 21-0 25-7 Douglas fir-larch i 41 12-0 15.10 20-3 24-8 12-0 15-7 19-0 22-0 Douglas fir-larch #2 11-10 15-7 I9-10 23-0 11.6 14-7 17-9 20-7 Douglas fir-larch #3 9-8 12-4 15-0 17-5 8-8 11-0 13.5 15-7 Hem-fir SS 11-10 15=7 19-10 24-2 11-10 15-7 19-10 24-2 Hear-fir #1 11-7 15-3 19-5 23-7 1I-7 15-2 18.6 21-6 Hem-fir 42 11.0 14.6 18-6 22-6 11.0 14.4 17.6 20-4 Hem-fir #3 9-8 12.4 15-0 17-5 8-8 11-0 13-5 15.7 12 Southern pine SS 12-3 16-2 20-8 25-1 12-3 16-2 20-8 25-1 Soulhelnpine #1 +-344-,Q 1-5-10-Ii-_1 203-19JQ 24-5-2U 434J I-jO 44_101-2 ?$..}j-7 24_. q Southern pine #2 11-10-j�-1 46.7-t4-11 19-1g..I8-1 242-21A •I.1-101 13 91 12 ]¢2 24 g1QL Southernpino #3 40-3-9a 4-1-3-IL-6_ j .1 16-6 q_ j_j -t-1-t-i-lt7-i 4.4-1"_ -16-9-jA9 Spruce-pine-fir- SS 11-7 13-3 19-5 23-7 11-7 13-3 19-5 23-7 Spntce-pinafir #1 11-3 14-1 P 19-0 23-0 11-3 14-7 17.9 20-7 Spruce-pine-fir 42 11-3 14-11 19-0 23-0 11-3 14-7 17-9 20-7 Spruce-pine-fir #3 9-8 12.4 15-0 _ 17-5' 8-S II-0 13-5 15-7 Douglas fir-larch SS 11-4 15-0 19.1 23-3 11-4 15.0 19-1 23-0 Douglas fir-larch 41 10-11 14-5 18-5 21.4 10-8 13.6 16.5 19-1 Douglas fir-larch #2 10-9 14-1 17-2 0-11 9-11 12-7 15-5 17-10 Douglas fir-larch #3 8=5 10.8 13-0 15-1 7-6 9.6 11-8 13.6 Helix-fir SS 10.9 14-2 18-0 21-I1 10-9' 14-2 18-0 21-11 Hear-fir #1 10-6 13-10 17-8 20-9 10-4 13-1 16.0 18,7 Henrfir #2 10-0 13-2 16-10 19.8' 9-10 12-5 15-2 17-7 Hem-fu" #3 85 10-8 17-0 15-1 7-6 9-6 11-8 13-6 16 Southern pine SS 11.2 14-8 18-9 22-10 11=2 14-8 18-9 22.10 Southerapine 41 484-3-IU 444.1+1 494-JU 3 2j 4444-.J 44-6. .f7-11-x. 21-4°1 1 Southern pine #2 44-4-M M- 4&4-j5a. 44-. 8" 403-14 ,13-6.11-i0 41x-1.14-Q 18_t0 -j¢¢ Southern pine #3 9-0-M 41 LrjU� 13 7121 46-2-14A 5 121 4441-A -12-2-1 IQ 1?zL(3 Spruce-pine-fir SS 10-6 13-10 17-8 21-6 10-6 13-10 17-8 21-4 Spruce-pine-fir 41 10.3 13-6 17-2 19-11 9.11 12-7 15-5 17-10 Spruce-pine-fir #2 10-3 13-6 17-2 19-11 9-11 12-7 15-5 17-10 Spruce-pine-fir #3 8-5 10-8 13-0 15-1 7-6 9-6 11.8 13-6 Douglas fir-larch SS 10-8 14-1 IS-0 21-i0 10-8 14-I 18.0 21.0 Douglas fir-larch 41 10-4 13-7 16-9 19-6 9-8 12.4 15.0 17-5 Douglas fir-larch #2 10.1 12-10 15.3 18-3 9-1 11.6 14-1 16-3 Douglas fir-larch 1Y3 7-8 9-9 11-10 13-9 6.10 8-8 10-7 12-4 Hem-fir SS 10-1 13.4 17-0 20-8 10-1 134 17-0 20-7 Hem-fir #1 9-10 13.0 16-4 19.0 9-6 12-0 14-8 17.0 Hell-fir 42 9-5 12.5 15-6 17-1 8-11 11-4 13.10 16-1 Hem-fir #3 7-8 9-9 11-10 13-9 6-10 8=8 10-7 12-4 19.2 Southern,pine Ss 10-6 13-10 17-8 21-6 10-6 13-10 17-8 21.6 Southern pine 41 44--0--jQ-1 14411--4 +7-4-16-,s N-412-1 1g_-1-h ,}a-?-jL-Z 44-+ 10-6„ Southcrnpino #2 141-1-'x;¢ 33-4--12-j 46__5_jA_A #_.l_jk_Lo 9_g-" 43.1-10.1014.41, 0 N_2-js-.1 Southern pine 03 R-4.2,-S 44-&2-j ' 3 iyg 44-9-W- 44b:1 9.6- +1-4.,2-A "-a-j Spruce-pine-Sr' SS 9-10 13-0 16-7 20-2 9-10 13-0 16-7 19-6 Sluuce-pine-fir #1 9.8 12-9 15-8 18-3 9-1 tl-6 14-1 16-3 Spruce-pine-fir 42 9-8 12-9 15-3 18-3 9-1 11-6 14.1 16-3 Spruce-pine-fir 43 7-3 9.9 11-10 13-9 6-10 8-8 10-7 12.4 Douglas fir-larch SS 9-I1 13-1 16-3 20-3 9-11 13-1 16.2 18-9 Douglas fir-larch #1 9-7 12-4 15-0 17-5 8-8 11-0 13.5 15.7 Douglas fu-larch 42 9-1 11-6 14.1 16-3 8-1 10-3 12-7 14-7 Douglas fir-larch #3 6-10 8-3 10-7 12-4' 6-2 7-9 9.6 11.0 Hem-fir SS 9.4 12-4 15-9 19-2 9`-4 12-4 15-9 18-5 Hell)-fir #1 9-2 12-0 14.3 17-0 8-6 10-9 13.1 15-2 Hen-fir 112 8-9 11.4 13-10' 16-1 8-0 10.2 12-5 14-4 Hem-fir #3 6-10 8-8 10-7 12-4 6-2 7-9 9-6 11-0 24 Southern pine SS 9-9 12-10 16-5 19-11 9-9 12.10 16-5 -19-44- Southern pine #1 9-7-9-A 44-.7-W- 464- 494-M- 9-7- 4-3B-2 44-7- +04 Southern pine #2 9-4-M�C 4-4-10.10 4_ g-I2-10 .F7 x-,12 1 5-&U 14-8.9�- 43 3 jj� .}', jj Southern pine #3 74U U 9-44--2 44--.1 c2 43�." 64-" 53 7 94 {-1-.E.O. Spruce-pine-fir SS 9-2 12-1 15-5 18-9 9-2 12-1 15=0 17.5 Spruce-pine-fir #i 8-11 11-6 14-I 16-3 8-1 10-3 12-7 14-7 Spruce-pine-fir #2 8-11 11=6 1 4-1 16-3 8-1 10-3 12-7 14.7 Spruce-purc-fir #3 6.10 8=3 10-7 12-4 6-2 7-9 9.6 11-0 For SI: I inch=25.4 roll,I foot=304.8 nun,1 pound per square foot 0:0479 LPa. ]Vote:Check sources for availability of lumber in lengths greater than 20 feet. a. Dead load limits for townhouscs in Seismic Design Category C and all sti uctures in Seismic Design Categories Do,Dt And D, shall be deternihied in accordance with Section 8301.2.22.1. 2003,2406,2009 INTERNATIONAL RESIDENTIAL CODE 115 FLOORS APRIL 2013 AMENDMENTS-LEGISLATIVE FORMAT 'FABLE R502.3.1(2) FLOOR JOIST SPANS FOR COMMON LUMBER SPECIES Residential living areas,live load=40 psf,L =360)b DEAD LOAD=10 nsf DEAD LOAD=20 psf ;SPc ACING OIST 2 x 6 2x8 2x10 2x12 2 x 6 2 x 8 2x10 2x12 SPECIES AND Maximum floor,joist spans fies GRADE ft-fn, (ft-Ind ft in. ft-In, ft-in ft-in: ft-in. ft-in: Douelss fir-larbh SS 11.4 15.0 19-1 23-3 11-4- 15-0 19-1 23-3 Douglas fir-larch 41 10-11 14-5 18-5 22.0 10-11 14-2 17-4 20'-t Douglas fir-larch #2 10-9 14.2 1 17-9 20.7 10-6 13-3 16-3 18-10 Douglas fir-larch #3 8-8 I1-0 13-5 15.7 7-11 10-0 12-3 14-3 Henn-fir SS 10-9 14-2 18-0 21-11 10-9 14-2 18-0 21-11 Beni-fir #1 10-6 13-10 17-3 21-6 10-6 13-10 16-11 19-7 Hein-fir #2 10-0 13-2 16-10 20-4 10-0 13-1 16-0 18-6 Hem-fir #3 8-3 11-0 13-5 15-7 7-11 10.0 12-3 14-3 12 Southern pint SS I1-2 14-3 18-9 22-10 11-2 14-8 18-9 22-10 Southern pine #1 3044-JQ9 44-5-JAj- 48-J-jU ia2-3.21-I I 4444-A-9 44-,41_,_„0• -k44-16-'il 43-41-2u Southern pine #2 40.9-10„_3 49-DA 4"-IU 2}4B 10-9- -IQ -1-44.11A 4644-J4-2 49-40--17 5 Southern pine #3 9-{-L_z 4-1--1.1-JU 44-0-12-6 43 0-JU t3-3 t Spiucc-pint-fir SS 10.6 13.10 17-8 21-6 10.6 13-10 17-8 21.6 Spruce-pine-fir #1 10-3 13-6 17.3 20-7 10-3 13-3 16-3 15-10 Spruce-pipe-fir #2 10-3 13.6 17-3 20-7 10-3 13-3 16-3 18-10 Spruce-pine-fir #3_8-3 11-0 13-5 t5-7 7-11 10-0 12-3 14.3 Drnnalnsfir-larch SS I0-4 -- ---1.1-7 17.4---4444 21.1 -- - 104 1.1-7 17-4 21-0 Douglas fir-larch #1 9-11 13-1 16-5 19-1 9-8 12.4 I5-0 17-5 Douglas fir-larch #2 9-9 12-7 15-5 17-10 9.1 1I-6 14-1 16-3 Douglas fir-larch 43 7-6 9-6 I1-8 13-6 6-10 8'-8 10-7 124 Hem-fir SS 9-9 12-10 16-5 19-11 9.9 12-10 16.5 19-11 Hein-fir 41 9.6 12-7 16.0 18-7 9-6 12-0 14-8 17-0 Hem-fir 42 9.1" 12-0 15-2 17-7 8-11 114 13-10 16-I 16 Hent-fir #3 7.6' 9'-6 11-8 13-6 6-10 8-8 10-7 12-4 Southern pine SS 10-2 13-4 17-0 20-9 10.2 13-4 17.0 20.9 Southernpine #I 944-M 4a.-1-11-10 44-9-1ltj 9.41-9 , 14-4-12-1 46-4-JU 404-11-5 Southernpine #2 9-9-9-4 4340-1t-10 46-14 484&JU 96-" 43-4rt0.10 44-3-12-10 44-2-DA- Southern pine #3 94-2-}, 10-3-; 1I #3,2-JO-1'Q 444-12-A 446-4 93-8_ 44-4-9--LO 434-Bj- Spruce-pine-fit• SS 9-6 12-7 16.0 19-6 9-6 12-7 I6-0 19-6 Spruce-pine-fir 41 9-4 12.3 15-5 17-10 9-1 11-6 14.1 16-3 Spruce-pine-fir 02 9-4 12-3 15-5 17-10 9-1 11-6 14-1 16-3 Spruce-pine-fir #3 7.6 9-6 11=8 13.6 6-10 8-8 10-7 12-4 Douglas fir-larch SS 9-8 12.10 16-4 19-10 9-8 12-10 164 19.2 Douglas fir-larch #1 9-4 12-4 15-0 17-5 8-10 11.3 13-8 15-11 Douglas fir-larch #2 9-1 11-6 14-1 16-3 8-3 10.6 12-10 14-10 Douglas fir-larch #3 6-10 8-8 10-7 12-4 6-3 7-11 9-8 11-3 Hem-fir SS 9-2 12-1 15-5 18.9 9-2 12-1 15-5 18-9 Fleur-fir 41 9-0 ( I1.10 14-8 17-0 8-8 10-11 13-4 15.6 Hem-fir #2 8-7 I 11.3 13-10 16-1 8-2 10-4 12.8 14-8 Ilent-fir #3 6-10 8-8 10.7 12.4 6-3 7-11 9-8 11-3 19.2 Southern pine SS 9-6 12-7 16-0 19-6 9-6 12-7 16-0 19-6. Southern pine 41 4-4-h_l. 43-4-12 1441 182.1- 04-9-Q 4 4-H113-5 +7.4-J,5.1j, Southern pine 42 9-111 434-4•-JQ_I;Q •14-8-12-Al as--3-f$_j P 8 +IA-17-111 433 j1-8 t5 8 J 1 Southern pine #3 447U 0-36-- 41-4-9--jQ 4:141 - 6-4--11 9-1-� 104-20 +24-- 11{-,8- Spruce-pine-fir SS 9-0 11-10 15-1 18.4 9-0 11-10 15-1 17.9 Spruce-pine-fir # 8-9 11.6 14-4 16.3 8-3 10-6 12.10 14-10 Spruce-pine-fir #2 8-9 11.6 14-1 16.3 3-3 10-6 12-10 14-10 Spruce-pine-fir #3 6-10 8-8 _ 10-7 12.4 6-3 7-11 9-8 11-3 Douglas fir-larch 1SS 9-0 11-11 15-2 18-5 9-0 11-11 14-9 17-1 Douglas fir-larch #1 8-8 11-0 13.5 15.7 7-11 10-0 I2-3 14-3 Douglas fir-larch #2 8-1 10.3 12-7 14-7 7-5 9-5 11-6 13-4 Douglas fir-larch #3 6=2 7-9 9.6 11-0 5-7 7-1 8.8 10-1 Hem-fir SS 8.6 11-3 14-4 17-5 8-6 11-3 144 16-10, Henn-fir #1 8-4 10-9 13-1 15.2 7-9 9-9 11-11 13-10 Here-Gr #2 7-11 10-2 12.5 14.4 7-4 9.3 11-4 13-1 Henr-fir #3 6-2 7-9 9.6 11-0 5-7 7-1 8-8 10-1 24 Southern pine SS 8.10 11.8 14.11 18.1 8-10 11.8 14-11 4S-1-IM Southern pine #1 9-8-"u 44-3-JU 414-13-1 47-3-JU BS$j 43-1U 43414 13-•6 Bj Southern pine #2 13-€+:- -1#-@^yam, +34--1j.1 +543-j-6 4-9-M 48-00j-J( 434)-01 -5. 44-0-W Southernpine #3 6-4-1-2 E3 7 9-N-�(] 4+40-U 6411-x- 74-Li_$ 9-1-4-A 10-9-2A Spruoe-phe-fir !SS 8-4 11.0 14-0 17-0 8.4. 11-0. 13-8 15-11 Spruce-pure-fir #1 8-1 10-3 12-7 14-7 7-5 9.5 14-6 1.3-4 Spruce-pine-fir 42 8-1 10-3 12-7 14-7 7-5 9-5 11-6 13-4 Spnce-pine-fir 43 6-2 7-9 9.6 11-0 5-7 7-1 8-8 10-1 For SI: I inch=25.4 mm,I foot=304:8 nun,I pound per square foe t=0.0479 kpa. Note:Check sources for availability of lumber in lengths greater than 20 feet. a. End hearing length shall be hiereased to 2 inches. b. Dead load limits for townhouses in Seismic Design Category C and all structures in Seismic Design Categories Do;D,,and D,sluill be determined in accordance with Section R301.2.2,2.1. 116 2003,2006,2009 INTERNATIONAL RESIDENTIAL CODED APRIL 2013 AMENDMENTS—LEGISLATIVE FORMAT FLOORS TABLE R502.3.3(1) CANTILEVER SPANS FOR FLOOR JOISTS SUPPORTING LIGHT-FRAME EXTERIOR BEARING WALL AND ROOF ONLY"b'°'r"'t' (Floor Live Load 5 40 psf;Roof Live Load 5 20 psf) Maximum Cantilever Span(Uplift Force at Backspan Support In Lbs.)d'° Ground Snow Load 9201 psf 30 psf 50 psf 70 psf Roof Width Roof Width Roof Width Roof Width Member&Spacing 24 ft 32 ft 40 it 24 ft 32 it 40 it 24 ft 32 ft 40 ft 24 ft 32 ft 40 ft 2 x 8 @ 1211 20" 15" — 18 — — — — — — — (177) (227) (209) 2 x 10 @ 16" 29" 21" 16" 26" 18" _ 20" — — — (228) (297) (364) (271) (354) (375) 36" 26" 20 34'" 22" 16" 26„ 19" 2 X 10 @ 12" (166) (219) (270) (198) (263) (324) (277) — — (356) — 2 x 12 @ 16" — 32" 25"' 36" 29" 21" 29" 20" — 23" — (287) (356) (263) (345) (428) (367) (484) (471) 2 x 12 @ 12" — 42" 31'" — 37" 27" 36" 27", 171' 31 19" -- (209) (263) (253) (317) (271) (358) (447) (348) (462) 48" 45" 48" 39" _ 40" 26" 36" 29" 18" 2 x 12 @ 8" — i (136) (169) — (164) (206) (233) (294) (230) (304) 1 (379) For SIi:I inch=25.4 mm,1 foot=304.8 nun,I pound per square foot=0.0479 kPa. a. Tabulated values are for clear-span roof supported solely by exterior bearing walls. b. Spans are based on mini mom design giggertiesFirr.No.2 Grade lumber of Douglas fir-larch,hem-fir,seutlw arpi and spice-pine-fir for repetitive(three or more)members.No.I or better gmdo.lutubgr shall bg used for southern piste. c. Ratio of backspan to cantilever span shall be at least 3:t. d.Connections capable of resisting the indicated uplift force shall be provided at the backspan support. e. Uplift force is for a backspan to cantilever span ratio of 3:1.Tabulated uplift values are permitted to be reduced by multiplying by a factor equal to 3 divided by the actual backspan ratio provided(3/backspau ratio). f. See;Section R301.2.2.2,5,Item 1,for additional limitations on cantilevered floor joists for detached one-and two-family dwellings in Seismic Design Category Da,Dr;or D2 and townhouses in Seismic Design Category C,Do,D"or D,. g.Afull-depth rimjoist shall be provided at the unsupported end of the cantilever joists.Solid blocking shall be provided at the supported end. h.Linear interpolation shall be permitted for building widths and ground snow loads other than shown. TABLE R502.3.3(2) CANTILEVER SPANS FOR FLOOR SUPPORTING EXTERIOR 3ALCONYa,b;e,i Maximum Cantilever Span (Uplift Force at Backspan Support in lb)`,d Ground Snow Load Member Size Spacing 530 psf 50 psf 70 psf 2 x 8 12" 42"(139) 39'(156) 34"(165) 2 x 8 16" 36"(151) 34"(171) 29"(180) 2 x.10 12" 61"(164) 57"(189) 49"(201) 2 x 10 16" 53"(180) 49"(208) 42"(220) 2 x 10 24" 43"(212) 40"(241) 34"(255) 2 x 12 16" 72"(228) 67"(260) 57"(268) 2 x 12 24" 58"(279) 54"(319) 47"(330) For SI: 1 itch=25.4 nun,i pound pet.square foot=0.0479 kPa. a. Spans are based on minimutu design:pronerties for No.2 Grade lumber of Douglas Tr-larch,hem-fir,soatherr"ine-and spruce-pine-fir for repetitive(three or more)members.No,I:or better grade Itunber shall be used for southern pine. b.Ratio of backspan to cantilever span shall be at least 2:1. c. Connections capable ofresisting the indicated uplift force shall be provided at the backspan support. d.Uplift force is for a backspan to cantilever span ratio of 2:1.Tabulated uplift values are permitted to be reduced by multiplying by a factor equal to 2 divided by the actual backspan ratio provided,(2/backspanratio). e. A frill-depth riin joist shall be provided at the unsupported end of the cantilevers joists.Solid blocking shall be provided at the supported end. f. Linear interpolation shall be permitted for ground snow loads other than shown, 2003,2006,2009 INTERNATIONAL'RESIDENTIAL CODE" 117 FLOORS APRIL 2013 AMENDMENTS-LEGISLATIVE FORMAT TABLE R502.5(1) GIRDER SPANS"AND HEADER SPANS'-k FOR EXTERIOR BEARING WALLS (Maximum spans for Douglas fir-larch,hem-fir,southern pine and;spruce-pine-firg and required number of jack studs) GROUND SNOW LOAD(osfl° GIRDERS AND 30 50 70 HEADERS SIZE Building width`(feet) SUPPORTING 20 28 36 20 28 36 20 28 36 Span NJ° Span NJ° Span NJ' Span NJ' Span NJ' Span NJ° Span NJ° Span NJ° Span NJ° 2-2 x 4 3-6 l 3-2 1 2-10 1 3-2 1 2-9 1 2-6 1 2-10 t 2-6 1 2-3 l 2-2-6 5-5 1 4-8 1 4-2 1 4-8 1 4.1 1 3-8 2 4-2 1 3-8 2 3-3 2 2-2'x S 6-10 1 5-11 2 5-4 2 5-11 2 5-2 2 4-7 2 5-4' 2 4-7 2 4-1 2 2-2-10 8-5 2 7-3 2 6-6 2 7.3 2 6-3 2 5=7 2 6-6 2 5-7 2 5-0 2 2-2 x 12 9-9 3 3-5 2 7-6 2 8-5 2 7-3 2 6-6 2 7-6 2 6-6 2 5-10 3 Roof and ceiling 3.2-8 8-4 1 7-5 1 6-8 1 7-5 1 6.5 2 5-9 2 6-8" 1 5=9 2 5.2 2 3-2-10 10.6 1 9-1 2 8-2 2 9-1 2 7-10 2 7.0 2 8.2 2 7-0 2 6.4 2 3-2 x 12 12-2' 2 10-7 2 9-5 2 10-7 2 9-2 2 8-2 2 9-5 2 8-2 2 7-4 2 4-2 x 8 9-2 1 8-4 1 7-8 1 8-4 1 7-5 1 6-8 1' 7-8 1 6-8 1 5-11 2 4-2-10 14-8 1 10-6 1 9-5 2 10.6 1 9-1 2 8-2 2 9-5 2 8-2 2 7-3 2 4-2 x 12 14-1 I 12.2 2 10-11 2 12-2 2 10-7 2 9-5 2 10-11 2 9-5 2 8-5 2 2-2 x 4 3-1 1 2-9 1 2-5 1 2.9 1 2-5 1 2-2 1 2-7 1 2-3 1 2=0 1 2-2 X 6 4-6 1 4-0 1 3-7 2 4-1 1 3-7 2 3-3 2 3-9 2 3-3 2 2-11 2 2-2 xr8 5-9 2 5-0 2 4-6 2 5-2 2 4-6 2' 4-1 2 4-9 2 4-2 2 3-9 2 2-2 x 10 7-0' 2 6-2 2 5-6 2 6.4 2 5-6 2 5.0 2 5-9 2 5-1 2 4-7 3 Roof,ceiling 2-2x 12 8-1 2 7-1 2 6-5 2' 7-4 2 6-5 2 5-9 3 6-S 2 5-10 3 5-3 3 and one center-bearing 3-2 x 8 7-2' I 6-3 2 5-8 2 6-5 2 5-8 2 5-1 2 5-11 2 5-2 2 4.8 2 floor 3-2 x 10 8-9 2 7-8 2 6.11 2 7-11 2 6-11 2 6-3 2 7-3 2 64 2 5-8 2 3-2 x 12 10-2 2 8-11 2 8-0 2 9-2 2 8-0 2 7-3 2 S-5 2 7-4 2 6-7 2 4-2 x 8 8-1 1 7-3 1 6-7 1 7-5 1 6-6 1 5-11 2 6-10 1 6-0 2 5-5' 2 4-2 x 10 10-1 1 8-10 2 8-0 2 9-1 2 8-0 2 7-2 2 8-4 2 7-4 2 6-7 2 4.2 x 12 11-9 2 10-3 2 9-3 2 10.7 2 9-3 2 8-4 2 9-8 2 8-6 2 7-7 2 2-2 x 4 2-8 1 2-4 1 2-1 1 2-7 1 2-3 1 2-0 1 2-5 1 2-J 1 1>-10 1 2-2 x 6 3-11 1 3-5 2 3-0 2 3-10 2 3-4 2 3-0 2 3-6 2 3-1 2 2-9 2 2-2 x 8 5-0 2 4-4 2 3-10 2 4.10 2 4-2 2 3.9 2 4-6 2 3-11 2 3-6 2 2-2 x 10 6-1 2 5-3 2 4-8 2 5.19 2 5-1 2 4.7 3 5-6 2 4-9 2 4-3 3 Roof,ceiling 2-2 x 12' 7.1 2 6.1 3 5-5 3 6-10 2 5-11 3 5-4 3 6-4 1 2 5.6 3 5-0 3 and one clear 3-2 x 8 6-3 2 5-5 2 4-10 2 6-1 2 5.3 2 4-8 2 5-7 2 4-11 2 4-5 2 Span floor 3.2 X 10 7.7 2 6=7 2 5-11 2 7.5 2 6-5 2 5-9 2 6-10 2 6-0 2 5-4 2 3-2 x 12 8-10 2 7-8 2 6-10 2 a-7 2 7-5 2 6-8 2' 7-11 2 6-11 2 63 2 4.2 x 8 7-2 1 6-3` 2 5-7 2 7.0 1 6-1 2 5-5 2 6-6 1 5-8 2 5-1 2 4-2 x 1'0' 8-9 1 2 7-7' 2 6-10 2 8.7 2 7-5 2 6-7 2 7-11 2 6-I1 2 6-2 2 4-2 x 12 10.2 2 8-10 2 7-11 2 9.11 2 8-7 2 7-8 2 9-2 2 8-0 2 7-2 2 2-2 x 4 2-7 1 2.3 1 2-0 1 2-6 1 2-2 1 1-11 1 2-4 1 2-0 1 1-9 1 2-2 x 6 3-9 2 3.3 2 2-11 2 3-8 2 3-2 2 2-10 2 3-5 2 3-0 2 2-8 2 2-2 x 8 4-9 2 4-2 2 3-9 2 4-7 2 4.0 2 3-8 2 4-4 2 3-9 2 3-5 2 2-2 x 10 5.9 2 5-1 2 4-7 3 5-8 2 4-11 2 4-5 3 5-3 2 4-7 3 4-2 3 Roof,ceiling 2-2-12 6-8 1 2 5-10 3 5-3 3 6.6 2 5-9 3 5.2 3 6.1 3 5-4 3 4-10 3 and two center-bearing 3-2 x 8 S-J i 2 5-2 2 4-8 2 5-9 2 5-1 2 4-7 2 5-5 2 4-9 2 4-3 2 floors 3-2 x 10 7-3 2 6-4 2 5.8 2 7-1 2 6-2 2 5-7 2 6-7 2 5-9 2 5-3 2 3-2 x.12 8-5 2 7.4 2 6.7 2 8-2 2 7-2 2 6-5 3 7-8 2 6-9 2 6-1 3 4.2 x 8 6-10 1 6-0 2 5-5 2 6-8 1 5-10 2 5-3 2 6-3 2 5-6 2 4-11 2 4-2 x,10 8-4 2 7-4 2 6-7 2 8.2 2 7-2 2 6-5 2 7-7 2 6-8 2 6-0 2 4-2 x>12 1 9-8 2 1 8-6 2 1 7-8 2 9-5 2 8.3 2 7-5 2 8-10 2' 7-9 1 2 1 7-0 2 (c071t71 ued) 118 2003,2006,:2009 INTERNATIONAL RESIDENTIAL CODE° APRIL 2013 AMENDMENTS—LEGISLATIVE FORMAT FLOORS TABLE R502.5(1)—continued GIRDER`SPANS'l AND HEADER SPANS'IFOR EXTERIOR BEARING WALLS (Maximum spans for Douglas fir-larch,hem-fir,southern pine and spruce-pine-fO and required number of jack studs) GROUND SNOW LOAD(Psf)° GIRDERS AND 30 50 70 HEADERS SIZE Buildlno width'(feet) SUPPORTING 20 28 36 20 28 36 20 28 36 Span NJ° Span NJ' Span NJ' Span NJ' Span NJ' Span NJ' Span NJ' Span NJ' Span NJ' —2-2x4 2-1 1 1-8 1 1.6 2 2-0 1 1-8 1 1 15 2 2-0 1 1-8 1 1-5 2 2-2x6 3-1 2 2-8 2 2-4 2 3.0 2 2-7 2 2-3 2 2-11 2 2-7 2 2-3 2 2-2 x 8 3-10 2 3-4 2 3-0 3 3-10 2 3-4 2 2.11 3 3-9 2 3-3 2 2-11 3 2-2 x 10 4-9 2 4-1 3 3-8 3 4-S 2 4-0 3 3-7 3 4-7 3 4-0 3' 3-6 3 Roof,ceiling, 2-2 x 12 5-6 3 4-9 3 4-3 3 5-5 3 4-5 3 4-2 3 5-4 3 4-7 3 4-1 4 and two clear 3-2-8 4-10 2 4-2 2 3-9- 2 4-9 2 4-1 2 3-8 2 4-S 2 4-1 2 3-8 2 Span floors 3-2-10 5-11 2 5-1 2 4-7 3 5-10 2 5-0 2 4-6 3 5-9 2 4-11 —2 4-5 3 3-2 x 12 6-10 2 5-11 3 5-4 3 6-9 2 5-10 3 5-3 3 6-8 2 5-9 3 5-2 3 4-2 x 8 5-7 2 4-10 2 44 2 5-6 2 4-9 2 4-3 2 5-5 2 4-8 2 4-2 2 M2 x 10 6-10 2 5.11 2 5-3 2 6-9 2 5-10 2 5-2 2 6-7 2 5-9 2 5-1 2 4-2 x 12 7-11 2 G-10 2 6-2 1 3 7-9 2 6-9 2 6-0 3 7-8 2 6-S 2 5,11 3 For SI: 1 inch=25;4 mm,1 pound per square foot=0.0479 Id'a. a. Spans are given in feet and inches. b,Tabtdated. �, lttes assurer.Spans are Eased oft minintunt desien�4pec(ies for No 2 Grade lumber ber of Douglas fir-111ch hem-frr and spruce;,pine-f c.No.j or better grade lumber shall be used for southern ui llq. c.Building width is measured perpendicular to the ridge.For widths between those shown,spans are permitted to be interpolated. d.NJ-Number of jack studs required to support each end.Where the number of required jack studs equals one,the header is permitted to be supported by an approved framing anchor attached to the full-height wall stud and to the header. e.Use 30 psf ground snow load for cases in which ground snow load is less than 30 psf and the roof live load is equal to or less than 20 psf. 2003,2006,2009 INTERNATIONAL RESIDENTIAL CODE" 11'9 i FLOORS APRIL 2013 AMENDMENTS—LEGISLATIVE FORMAT TABLE R50215(2) GIRDER SPANSe-h AND HEADER SPANS31 FOR INTERIOR BEARING WALLS (Maximum spans for Douglas fir-larch,hem-fir,southern pine and spruce-pine=firk and required number of Jack studs) HEADERS AND BUILDING Width°(feet) GIRDERS SIZE 20 28 36 SUPPORTING Soan NJ° Span NJ" Span NJ' 2.2 x 4 3-1 1 2-8 t 2-5 I 2-2 x 6 4-6 1 3.11 1 3.6 1 2-2 x 8 5-9 1 5-0 2 4-5 2 2-2 x 10 7-0 2 6-1 2 5-5 2 2-2-12 8-1 2 7-0 2 6-3 One floor only 3-2 x 8 7-2 1 6-3 1 5-7 2 3-2 x 10 8-9 1 7.7 2 6-9 2 3-2`x 12 10-2 2 8-10 2 7-10 2 4-2 x 8 9-0 1 7-8 1 6-9 1 4-2 x 10 10-1 1 8-9' 1 7-10 2 4-2 x 12 11-9 1 10-2 2 9-1 2 2-2-4 2-2 1 1-10 1 1-7 1 2.2 x 6 3-2 2 2.9 2 2-5 2 2.2 x8 4-1 2 3-6 2 3-2 2-2 x 10 4-11 2 4-3 2 3-10 3 2-2 x 12 5-9 2 5-0 3 4-5 3 Two floors 3-2 x 8 5-1 2 4-5 2 3.11 2 3-2 x 10 .-2 2 5-4 2 4-10 2 3.2 x 12 7-2 2 6-3 2 5-7 3 4-2 x 8 6-1 1 5-3 2 4-8 2 4-2 x 10 7-2 2 62 2 5-6 2 4'-2 x,12 8-4 2 7-2 2 6-5 2 For S1: 1 inch=25.4 mm,I foot=304.8 in in. a. Spans are given in feet and inches. b. kAed-vaI iffie&r terns are based on alinirnum design mvnerties for No 2 Grade hummer of Douglas fir-larch hcnrtir anri s rI to Ice-9 ne-fir No.1 or better grade lumber shall be used for southern pine: c.Building width is measured perpendicular to the ridge.For widths between those shown,spans are yennitted to be interpolated, d.NJ-Number of jack studs required to support,each end.Where the number of required jack studs equals one,the header is per initted to be supported by an approved frauring anchor attached to the full-height wall stud and to the header. 120 2003,2006,2009 INTERNATIONAL RESIDENTIAL CODEe EXHIBIT C MARCH 2013 AMENDMENTS—LEGISLATIVE FORMAT WALL CONSTRUCTION TABLE R602.7.1 SPANS FOR MINIMUM No.2 GRADE SINGLE HEADER'b c,I GROUND SNOW LOAD(pso SINGLE G_20' 30 50 HEADERS SIZE WOOD SPECIES SUPPORTING Building Width(feet)' 20 28 36 20 28 36 20 28 36 Spruce-Pine-Fir 4-10 4-2 3-8 4-3 3-8 3-3 3-7 3-0 2-8 2 x 8 IIem-Fii• 5-1 4-4 3-10 4-6 3-10 3-5 3-9 3-2 2-10 Douglas-Fir or do 1 5-3 4-6 4-0 4-7 3.11 3-6 3-10 3-3 2-11 •a a Southem Pine Spruce-Pine-Fir 6-2 5-3 4-8 5-5 4-8 4-2 4-6 3-11 3-1 Roof and ceiling 2 x 10 Hem-Fii° 6-6 5-6 4-11 5-8 4-11 4-4 4-9 4-1 3-7 Douglas-fir or No. 11 6=8 5-8 5-1 5-10 5-0 4-6 4-11 4-2 3-9 rade Southern Pine Spruce-Pine-Fir 7-6 6-5 5-9 6-7 5-8 4-5 5-4 3-11 3-1 2 x 12 Hem-Fir 7-10 6-9 6-0 6-11 5-11 5-3 5-9 4-8 3-8 Douglas-Fir or No. I 8-1 6-11 6-2 7-2 6-1 5-5 5-11 5-1 4-6 Grade Southern Pine Spruce-Pine-Fir 3-10 3-3 2-I1 3-9 3-3 2-11 3-5 2-11 2-7 2 x 8 Hem-Fir 4-0 3-5 3-1 3-11 3-5 3.0 3-7 3-0 2-8 Douglas-Fir or No.1 4-1 3-7 3-2 4-1 3-6' 3-1 3-8 3-2 2-9 Grids Southern Pine Roof,ceiling and Spruce-Pine-Fir 4-11 4-2 3-8 4-10 4-1 3-6 4-4 3-7 2-10 one center-bearing; x 10 IIem-Fir 5=1 4-5 3.11 5-0 4-4 3.10 4.6 3-11 3-4 floor Douglas-Fit orNo.1 5-3 4.6 4-1 5-2 4-5 4-0 4-8 4-0 3-7 rad Southern Pine Spruce-Pine-Fir 5-8 4-2 3-4 5-5 4-0 3-6 4-9 3-6 2-10 2 x 12 Hem-Fir 5-11 4-11 3-11 5-10 4-9 4-2 5-5 4.2 3-4 Douglas-Fir orb.,.h, 6-1 5-3 4-8 6-0 5-2 4-10 5-7 4-10 4-3 Lrad&Southern Pint Spruce-Pine-Fir 3-5 2-11 2-7 3-4 2-I1 2-7 3-3 2-10 2-6 2 x 8 Hem-Fir 3-7 3-1 2-9 3-6 3-0 2-8 3-5 2-11 2-7 Douglas-Fir orNo. 1 3-8 3-2 2-10 3-7 3-1 2-9 3.6 3-0 2-9 Gt:0114'Southern Pine Roof,ceiling and Spruce-Pine-Fir 4-4 3-7 2-10 4-3 3-6 2-9 4-2 3-4 2-7 one clear span 2 x 10 Hem-Fir 4-7 3-11 3-5 4-6 3-10 3.3 4-4 3-9 3-1 floor Douglas-Fir or No. 1 4-8 4-0 3.7 4-7 4-0 3-6 4-6 3-10 3-5 Gee Southern Pine Spruce-Pine-Fir 4-11 3-7 2-10 4-9 3-6 2-9 4-6 3-4 2-7 2 x 12 :IIem-Fii• 5-6 4-3 3-5 5-6 4=2 3-3 5-4 3-11 3-1 Douglas-Fir or No. 5-8 4-11 4-4 5-7 4-10 4-3 5-6 4-8 4-2 Lade Southern Pine for SI: t inch=25:4 nini,I hound per square foot=0.0479 kPa. a.Spans are given in feet and inches. b.Table is based on a maxinntm roof-ceiling dead load of 15 psf. e.The header is permitted to be supported by an approved frawing anchor attached to the$iIl-height wall stud and to the Treader in lieu of the- required jack stud. d.The 20 psf ground snow load condition shall apply only when the roof pitch is 9:12 or greater.ht conditions where the ground snow load is 30 psf or less and the roofpitch is less than 9:12,use the 301 sfgcound show load condition. e.Building width is nteasuredperpendicular to the ridge.For widths between those shown,spans are permitted to be interpolated. f. The header sliall bear on a iuiniiuum of one jack stud at each end. 2012 INTERNATIONAL:RESIDENTIAL CODE® 161 EXHIBIT D APRIL 2013 AMENDMENTS—LEGISLATIVE FORMAT ROOF-CEILING CONSTRUCTION TABLE R802,4(1) CEILING JOIST SPANS FOR COMMON LUMBER SPECIES (Uninhabitable attics without storage,live load=10 psf,L#A=240) DEAD LOAD-5 psf CEILING JOIST 2x4 2x6 2x8 2x10 SPACING inches SPECIES AND GRADE (inches) Maximum ceiling Joist spans (feet-inches) (feet-inches) (feet-inches) (feet-inches) Douglas fir-larch SS 13-2 20-8 Note a Note a Douglas fir-larch #1 12-8 1`9-11 Note a Note a Douglas fir-larch #2 12-5 19-6 25-8 Note a Douglas fir-larch ##3 10-10 15-10 20-1 24-6 Hem-fir SS 12-5 19-6 25.8 Note a Hem-fir #1 12-2 19-1 25-2 Note a Hem-fir 42 11-7 18-2 24-0 Note a I-Ieni-fir #3 10-10 15-10 20-1 24-6 12 Southern pine SS 12-11 20-3 Note a Notc a Southern pine #1 4-2 5 19 11 I New a 725--8 Note a Southern pine #2 443-3 LL-LO -19 G 2.5.424-7 Note a Southern pine #3 4-144&10- 4-7-0,L4_I1 24-9.B�-. 234 22-9 Spruce-pine-fir SS 12-2 19-1 25-2 Note a Spruce-pine-fir #1 11-10 I8-8 24-7 Note Spruce-pine-fir #2 11-10 18-8 244 Note Spruce-pine-fir 43 10-10 15-10 20-1 24-6 Douglas fir-larch SS 11-11 18-9 24-8 Note Douglas fir-larch #1 11-6 18-1 23-10 Note a Douglas fir-larch 42 11-3 17-8 23.0 Note a Douglas fir-larch #3 9-5 13-9 17-5 21-3 Hem-fir SS 11-3 17-8 23-4 Note a Hem-fir' #1 11-0 17-4 22-10 Note a Hem-fir #2 10.6 16-6 21-9 Note a Hem-fir #3 9-5 13-9 17-5 21-3 16 Southern pine SS 11-9 18-5 24-3 Note a Southern pine 1#1 4-1 611-3 44417-8 33 1$224 Note a Southern pine #2 44-410-9 -1-7,41.6-1 l 2_34 New-ft Southern pine #3 40-4."r 44-9 12 t 1-16-3 2241 Spruce-pine-fir SS 11-0 17-4 22-10 Note a Spruce-pine-fir #1 10-9 16-11 22-4 Note a Spruce-pine-fir 42 10-9 16-11 22-4 Note a Spruce-piste-fu #3 9.5 13-9 17-5 21-3 Douglas fir-larch SS 11-3 17-8 23-3 Note a Douglas fir-larch #'1 10-10 17-0 22-5 Note a Douglas fir-larch 42 10-7 16-7 21-0 25-8 Douglas fir-larch 43 8-7 12-6 15-10 19-5 Hens-fir SS 10-7 16.8 21-11 Note a Hem-fir #1 10-4 16-4 21-6 Note Heni-fir.. #2 9-11 I5-7 20-6 25-3 Hem-fir #3 8-7 12-6 15-10 19-5 19'2 Southern-pine SS 11-0 17-4 22-10 Note a Southern pine #1 10 1014:.7. 47 0 .4422-0 Note a Southern pine #2 +0-410-2 46-81-5- 21-1119-8_ Note-a. Southern pine #3 0-4 U 43.6 11-9 4441100 244 M- Spnice-pine-fir SS 10-4 16-4 21-6 Note a Spruce-pine-fir #1 10-2 15-11 .21-0 25.8 Spruce-pine-fir #2 10-2 15-11 21-0 25-8 Spruce-pine-fir #3 8-7 12-6 15-10 19-5 (confinued) 2003,2006,2009 INTERNATIONAL RESIDENTIAL CODE 377 ROOF-CEILING CONSTRUCTION APRIL 2013 AMENDMENTS-LEGISLATIVE FORMAT TABLE R802.4(l)—continued CEILING JOIST SPANS FOR COMMON LUMBER SPECIES (Uninhabitable attics without storage,live load-10 psf,LIA=240) CEILING JOIST SPECIES AND GRADE DEAD LOAD=5 psf SPACING(inches) 2x4 2x6 2.x:8'. 2x10 Maximum celling joist spans (feet-inches) (feet-inches) (feet-Inches) (feet-Inches) Douglas fir-larch SS 10-5 16.4 21-7 Note a Douglas fir-larch #1 10-0 15-9 20-1 24-6 Douglas fir-larch #2 9-10 14-10 18-9 22-11 Douglas fir-larch #3 7-8 11-2 14-2 1711 Hem-fir SS 9-10 15-6 20-5 Note a Hem-fir #I 9-8 15-2 19-7 23-11 Mein-fn• #2 9-2 14-5 18-6 22=7 Hem-fu #3 7-8 11-2 14-2 17-4 24 Southern pine SS 10-3 16-1 21-2 Note a Southern pine #1 4" 4341,5-6. 201920-5 Mate a2" Southern pine 42 94-0 9 1 143-6 D__ 29 F 7 43 1#29_u Southern pine #3 9-37-2 4?-0I -6 43-4 4.94! LI, Spruce-pine-fir SS 9-8 15-2 19-11 25-5 Spruce-pine-fir #1 9-5 14-9 18-9 22-11 Sprucc-pine-fir #2 9-5 14-9 18-9 22-11 spruce-pine-fir 43 7-8 11-2 14-2 17-4 Check sources for availability of lumber in lengths greater than 20 feet. For-Si:1 inch=25.4 tarn,1 foot=304.8 mar,1 pound per square foot=0.0479kPa. a. Span exceeds 26 feet in length. 378 2003,2006,2009 INTERNATIONAL RESIDENTIAL CODE" APRIL 2013 AMENDMENTS-LEGISLATIVE FORMAT ROOF-CEILING CONSTRUCTION TABLE R802,4(2) CEILING JOIST SPANS FOR COMMON LUMBER SPECIES (Uninhabitable attics with limited storage,live load=20 psf,LIA=240) DEAD LOAD=10 psf CEILING JOIST 2x4 2x6 2x8 2x10 S SPECIES AND GRADE PACING(inches) Maximum ceiling joist spans (feet Inches) (feet-inches) (feet-finches) (feet inches) Douglas fir-larcli SS 10-5 16-4 21-7 Note a Douglas fir-larch #1 10-0 15-9 20-1 24-6 Douglas fir-larch #2 9.10 14-10 18-9 22-11 Douglas fir-larch #3 7-8 11-2 14-2 17-4 Hem-fir SS 9-10 15-6 20-5 Note a Hem-fir #1 9-8 15-2 19-7 23=11 Hew-fir #2 9-2 14-5 18-6 22-7 12 Hew-fu #3 7-8 11-2 14-2 17.4 Southern pine SS 16-3 16-1 21-2 Note a Southern pine #1 4-4--09-10 33-9 20 10 ZQ Plete a Southern pine 42 9409-3 4-3-6J�l1 ?0-1» 2-3-1-E2411. Southern pine #3 8_4 -14-0 0�-G 13 4, 3j 184 ¢-1 Spruce-pine-fir SS 9-8 15-2 19-I1 25-5 Spruce-pine-fir #i 9-5 14-9 1`8-9 22-11 Spivice-pine-fir 42 9.5 14-9 18-9 22-11 Spruce-pine-fir #3 7-8 11-2 14-2 174 Douglas fir-larch SS 9-6 14-11 19-7 25-0' Douglas fir-larch #'1 9-1 13-9 17-5 21-3 Douglas fir-larch #2 8-9 12-10 16-3 19-10 Douglas fir-larch #3 6-8 9'-8 12-4 15-0 Hew-fir SS 8-11 14-1 18-6 23-8 Hein-.fir #1 8-9 13-5 16-10 20-8 Hem-fir #2 8-4 12-8 16-0 19-7 16 Hem-fir #3 6-8 9-8 12-4 15-0 Southern pine SS 9-4 14-7 19-3 24-7 Southern pine #1 9-4 fi-L( 4-4-4,(A dR 1 F17-9 23420 Southern pine #2 8-1-1$_0 4-34 12-�Q +74 M_ 20-9,1U Southern pine 03 -7-4 662 444 U 43-3 11_¢ 43-914_-0 Spruce-pine.fir SS 8-9 13-9 18-1 23-1 Spruce-pine-fir #1 8-7 12-10 16-3 19-10 Spruce-pine-fir #2 8-7 12-10 16-3 19-10 Spruce-pine-fir #3 6-8 9-8 12-4 15-0 Douglas fir-larch SS 8-11 14-0 18-5 23-4 Douglas fir-larch #t 8-7 12-6 15-10 19-5 Douglas fir-larch #2 8-0 11-9 14-10 18-2 Douglas fir-larch #3 6-1 8-10 11-3 13-8 Hem-fir SS 8-5 13-3 17-5 22.3 Hem-fir #1 8.3 12-3 15-6 18-11 Hem-fir #2 7-10 11-7 14-8 17-10 Hem-fir` #3 6-1 8-10 11-3 13-8 19.2 Southerrtpine SS 8-9 13-9 48.41$- 23-1 Southern pinc #I 844 +M M— 4-7-916;? -_-41 1. Southern pine #2 "2-4 42-311 43 I 13-1-L 44416-6 Southern pine #3 6-5,5---8 "8-4 4-214 10-6 X12- Spruce-pine-fir SS 8-3 12-11 17-1 21-8 Spruce-pine-fir #1 8-0 11-9 14-10 18-2 Spruce-pine-fin- #2 8-0 11-9 14-10 18-2 Spruce-pine-fir #3 6-1 8-10 11-3 13-8 (con inuerl) 2003,2006,2009 INTERNATIONAL RESIDENTIAL CODE" 379 ROOF-CEILING CONSTRUCTION APRIL 2013 AMENDMENTS-LEGISLATIVE FORMAT TABLE R802.4(2)—continued CEILING JOIST SPANS FOR COMMON LUMBER SPECIES (Uninhabitable attics with limited storage;live load=20 psf,Lle=240) DEAD LOAD=10 psf 2 4 2 6 2 x 8 2x10 CEILING JOIST SPECIES AND GRADE SPACING(inches) Maximum ceiling joist spans (feet-Inches) (feet-inches) (feet-inches) (feet-inches) Douglas fir-latch SS 8-3 13-0 17-1 20-11 Douglas fir-larch #1 7-8 11-2 14-2 17-4 Douglas fir-larch #2 7-2 10-6 13-3 16-3 Douglas 6r-larch #3 5-5 7-11 10.0 12-3 Hem-fir SS 7-10 12-3 16-2 20-6 Hem-fir ill 7-6 10-11 13-10 16-11 Hem-fir #2 7-1 10-4 13-1 16-0 24 Hent-fir #3 5-5 7-11 10-0 12-3 Southern pine SS 8-1 12-9 16-10 21-6 Southern pine #1 "7-8-88 4-2-6 11-5 1418 L4 i819 fi=u Southern pi tie #2 446-7 bI 0 210 44-312-6 16-1 f 14-2 Southern pine #3 "U 8 6 7-5 10 1 9-5 i 2-191L-5 spruce-pine-fir SS 7-8 12-0 15-10 19-5 Spruce-pine-fir 41 7-2 10-6 13-3 16-3 Spntce-pine-fir #2 7-2 10-6 13-3 16-3 Spruce-pine-fir #3 5-5 7-I1 10-0 12-3 Check sources for availability of lumber in lengths greater than 20 feet. For SI:1 inch=25,4 mm,I foot=304.8 min,1 pound per square foot=0.0479kPa. a. Span exceeds 26 feet in length. 380 2003,2006,2009 INTERNATIONAL RESIDENTIAL CODE' APRIL 2013 AMENDMENTS-LEGISLATIVE FORMAT ROOF-CEILING CONSTRUCTION TA13LE R802.5.1(1) RAFTER SPANS FOR COMMON LUMBER SPECIES (Roof live load=20 psf,ceiling not attached to rafters,L/A=180) DEAD LOAD=10 psi I DEAD LOAD=20 psf RAFTER SPECIES AND 2x4 2 x 6 2x0 2x10 2x12 1 2x4 2x6 2K6 2x10 2x12 SPACING GRADE Maximum rafter spans (inches) (feet- (feet- (feet (feet- (feet- (feet- (feet- (feet- (feet- (feet- Inches) Inches) inches) Inches) inches) Inches) Inches) Inches) Inches) Inches) Douglas fir-larch SS 11-6 18-0 23-9 Note b Note'b 11-6 18-0 23-5 Note b Note b Douglas fir-latch 41 11-1 17-4 22-5 Note b Niue b 10=6 13-4 19-5 23-9 Note b Douglas fir-larch #2 10-10 16-7 21-0 25-8 Note b 9-10 14-4 18-2 22-3 25-9 Douglas fir-larch 93 8-7 12-6 15-10 19-5 22-6 7-5 10-10 13-9 16-9 19-6 Henn-fir SS 10-10 17-0 22.5 Note Note 10-10 17-0 22-5 Note Note Hem-fir 91 10-7 16-8 21-10 Note Note 10-3 14-11 18.11 23-2 Note Heia-fir #2 10-1 15-11 20-8 25-3 Note b 9-8 14-2 17-11 21-11 25-5 Heni-fir #3 8-7 12-6 15-10 19-5 22-6 7-5 10=10 13-9 16-9 19-6 12 Southern pine SS 11-3 17-8 23-4 Note b Note b 11-3 17-8 23-4 Note b Note b Southern pine #I 4+-1-10-ID 4-7-*M— 21_44- 22_-j Note Note 44-1-IU +7-3-].5-$ ?F�191� 4S-44M Note Southern pate #2 444-0.1-QA- 4-'1-0O- -Z 3_24-J.2-8 Neie-Ir2�-5 Note b 40-6-9_¢ +5-4-13-6 144.1- 23--2-?.0 Neta16-2L- I Southernpiue #3 9-1-U 44-6-JJ;9 •173-34 [(1 204-JU 2-44-21-4 q44-G-11 44-5- ))�,- 44--19-,12-10 417-6-15-7 2041-J_6 Spruce-piiie-fir SS 10-7 16-8 21-11: Note b Note 10-7 16-8 21-9 Note b Note b Spruce-pine-fir #1 10-4 16-3 21.0 25-8 Note b 9-10 14-4 18.2 22-3 25-9 Spruce-pine-fir 42 104 16-3 21-0 25-8 Note 9.10 14-4 18-2 22-3 25-9 Spruce-pine-fir #3 8-7 12.6 15-10 19-5 22.6 7-5 10.10 13-9 16-9 19-6 Douglas fir-larcli SS 10-5 16-4 21-7 Note b Note b 10-5 16-0 20-3 24-9 Note b Douglas fir-larcli #1 10-0 15-4 19-5 23-9 Note b 9-1 13!-3 16-10 20-7 23-10-. Douglas fir-larch 42 9-10 144 18-2 22-3 25-9 8.6 12-5 15-9 19=3 22-4 Douglas fir-larch 43 7-5 10.10 13-9 16-9 19-6 6-5 9-5 11-11 14-6 16.10 Hein-fir SS 9-10 15-6 20-5 Note b Note b 9-10 15-6 19-11 244 Note b Hem-fir 441 9-8 14-11 18-11 23-2 Note b 8-10 12-11 16-5 20-0 23-3 Hem-fir 42 9-2 14-2 17-11 21-11 25.5 8-5 12-3 15=6 18-11 22-0 Hem-fir 43 7-5 10-10 13-9 16-9 19-6 6-5 9-5 11-11 14-6 16-10 16 Southern pine SS 10-3 16-1 21-2 Note b Note b 10-3 16-1 21-2 Neta4-1 Note b Southern pine #1 4049-M 43-9-19,k- 28-1&19-10 25443-2U Note b 4044- 43413--2 4&4-8-Jj:2 P2 4- Southern pine #2 9-40-990 +5-4-DA 44-5.12_1 A-2- e 2 14 94-12 -14410 +"0-142 104 12_� 234-2U Southern pine 43 x-11-L11 4-V&LO-2 4440-"- 17 fi 1 i 2 28-11-M 6 19.0 5) -1-0+L-LO 8-1.1:3 44-2-j" 4 1-1SzQ Spruce-pine-fir SS 9-8 15-2 19-11 25-5 Note b 9-8 14-10 18-10 23-0 Note b Spruce-pine-fir #1 9-5 14-4 18-2 22-3 25.9 8-6 12-5 15-9 19-3 22-4 Spruce-pine-fir #2 9-5 14-4 18-2 22-3 25-9 8-6 12-5 15-9 19-3 22-4 Spruce-pine-fir #3 7-5 10-10 13=9 16-9 19-6 6-5 9.5 11-11 14-6 16-10 Douglas fir-larch SS 9-10 15-5 20-4 25-11 Note b 9-10 14-7 18-6 22-7 Note b Douglas fir-larch ill 9-5 14-0 17-9 21-8 25-2 8-4 12-2 15-4 18-9 21-9 Douglas fir-larch #2 8-11 13-1 16-7 20-3' 23-6 7-9 114 14-4 17-7 20-4 Douglas fir-larch #3 6-9 9-11 12-7 154 17-9 5-10 8-7 10-10 13-3 15-5 Heni-fir SS 9-3 14-7 19-2 24-6 Note b 9-3 14-4 18-2 22.3 25-9 Hem-fir #1 9-1 13.8 17-4 21-1 24-6 8-1 11-10 15-0 18-4 21-3 Hem-fir #2 8-8 12-11 16A 20-0 23-2 7-8 11-2 14-2 17-4 20-1 Hem-fir #3 6-9 9-11 12-7 15-4 17.9 5-10 8.7 10-10 13.3 15-5 19:2 Southern pine SS 9-8 15-2 19-11 25-5 Note b 9-8 1.5-2 4444-M- 33-5-, ice- Note b Soutliera p ne #1 4-3-4U- 4440-14_3 4-9-7-1$_1 .24-7-2.1 Nete-le- 9-3-$:_4 4 .1.14 4q--a-153- 29-3- 24-4-Z Southern pine #2 93-12 44.9-IL 47-9-15-7 2ti- 13_6 2440-219 8-47-1 11 11 L� 1�4 1�¢ }8 41 _4 31-HIS-10 Southern pine #3 -,L4 6-4 40-9=9.4 •1-3 7-:11--2 464J!L--3 k9-F1f1 Q 645-6 9-3-. 44-9-M- 4-340.12A- +4$-1 Spruce-pine-fir SS 9-1 14-3 18-9 23-11 Note b 9-1 13-7 17-2 21-0 244 Spruce-pine-fir #1 8-10 13-1 16-7 20-3 23-6 7-9 11-4 14-4 17-7 20-4 Spruce-pitie-fir #2 8-10 13-1 16-7 20-3 23-6 7-9' 11-4 14-4 17-7 20-4 Spruce-pine-fir #3 6-9 9-11 12-7 15A 17-9 5-10 8-7' 10-10 13-3 15-5 (confinued) 2003,2006,2009 INTERNATIONAL RESIDENTIAL CODE° 381 ROOF-CEILING CONSTRUCTION APRIL 2013 AMENDMENTS–LEGISLATIVE FORMAT TABLE R802.5.1(1)—continued RAFTER SPANS FOR COMMON LUMBER SPECIES (Roof live load=20 psf,ceiling not attached to rafters,L/4=180) DEAD LOAD=10 psf DEAD LOAD=20 psf RAFTER 2x4 2x.:6 2x.8 2.-10 2x12 2x4 2X6 2x8 2x10 2x12 SPACING SPECIES AND GRADE Maximum rafterspans' (inches) (feet- (feet- (feet- (feet- (feet- (feet- (feet- (feet- (feet- (feet- Inches) Inches) inches) Inches) Inches) Inches) inches) inches) inches) inches) Douglas fir-larch SS 9-1 14-4 18-10 23-4 Note 8-11 13-1 16-7 20-3 23-5 Douglas fir-larch #1 8-7 12-6 15-10 19-5 22-6 7-5 10=10 13-9 16-9 19-6 Douglas fir-larch #2 8-0 11-9 14-10 18-2 21-0 6-11 10-2 12-10 15-8 18-3 Douglas fir-larch #3 6-1 8-10 11-3 13-8 15-11 5-3 7-8 9-9 11-10 13-9 Henr-fir SS 8-7 13-6 17-10 22-9 Noteb 8-7 12-10 16-3 19-10 23-0 Hem-fir #I 8.4 12-3 15-6 18-11 21-11 7-3 10-7 13-5 16-4 19-0 Hem-fir #2 7-I1 11-7 14-8 17-10 20-9 6-10 10-0 12-8 15-6 17-I1 24 Hem-fir #3 6-1 8-10 11-3 13-8 15-11 5-3 7-8 9-9 11-10 13-9 Southern pine Ss 8-11 14-1 18-6 23-8 Note 8-I1 44413-1 44M- 32-1-1 0-1 N010b-24;.-$ Southern pine' #1 $-9.11 43-�12_9 14-9-16-2 21-118.11 2-5422& 8-3-11 +2-3-,L1_1 4-5-4-1Q +8-4-1C_ 24-9-D6 Southernpine #2 &1-A 1.2-3-11-0 4-5-'19D-A 45-14-1L-.6_ 22-2-!U 7-:4b-4 4989 444121 +6-&-14_4 44-3-]6-10 Southern pine 93 6-5 a- 9-64-A 1-2-3-1 ft 4411-1:2-2 47--4-M- 3-4 4-11 8-3-77-3 1$-6-2_1 +44-IL-0 4 4-9-1.3-1 Spruce-pine-fir SS 8-5 13-3 17-5 21-8 25-2 8-4 12-2 15-4 18-9 21-9 Spruce-pine-fir ##1 8-0 11-9 14-10 18-2 21-0 6-11 10-2 12-10 I5-8 18-3 Spruce-pine-fir #2 8-0 11-9 14-10 18-2 21-0 6-11 10-2 12-10 15-8 18-3 Spruce-pine-fir #3 6-1 1 8-10 11-3 13-8 15-11 5-3 7-8 9-9 11-10 13-9 Check sources for availability of lumber in lengths greater than 20 feet. For SIt l inch=25.4 mm,1 foot=304.8 min,I pound per square foot=0.0479 kpa, a. The tabulated rafter spans assume that ceiling joists are located at the bottom of the attic space or that some other method of resisting the outward push of the rafters on the bearing walls,such as rafter ties,is provided at that location.When ceiling joists or rafter ties'are located higher in the attic space,the rafter spans shall be multiplied by the factors given below: HcIHR Rafter Span Adjustment Factor 1/3 0.67 1/4 0.76 1/g 0.83 1/6 0.90 1/7.5 or less 1.00 where: ffc=Height of ceiling joists;or rafter ties measured vertically above the top of the rafersuppoit walls. 11R=11eight of roof ridge measured vertically above the top of the rafter support walls. h. Span exceeds 26 feet in length. 382 2003,2006,2009 INTERNATIONAL RESIDENTIAL CODE' APRIL 2013 AMENDMENTS-LEGISLATIVE FORMAT ROOF-CEILING CONSTRUCTION TABLE R802.5,1(2) RAFTER SPANS FOR COMMON LUMBER SPECIES (Roof live load=20 psf,ceiling attached to rafters,LIA=240) DEAD LOAD=10 psf DEAD LOAD=20 psf 2x4 2K6 2g:8 2x10 2x12 1 2x4 2x6 2x8 2x10 2.12 RAFTER. SPECIES AND SPACING GRADE Maximum rafter spane (inches). (feet'= (feet- (feet- (feet- (feet• (feet- (feet- (feet- (feet (feet- inches) inches) inches) Inches) Inches) Inches) inches) inches) Inches) Inches) Douglas fir-larch SS 10-5 )6-4 21-7 Note b Note b 10-5 16-4 21-7 Note b Note Douglas fir-larch #1 10-0 15-9 20-10 Noteb Note 10-0 15-4 19=5 23-9 Note Douglas fir-larch #2 9-10 15-6 20-5 25-8 Note b 9-10 14-4 18-2 22-3 25-9 Douglas fir-larch #3 8-7 12-6 15-10 19.5 22-6 7-5 10-10 13-9 16-9 19-6 Hem-fir SS 9-10 15-6 20-5 Note b Note b 9-10 15-6 20-5 Note b Note h Hem-fir #1 9-8 15-2 19.1.1 25-5 Note b 9-8 14-11 18-11 23-2 Note b Hem-fir #2 9-2 14-5 19-0 24-3 Note b 9-2 14-2 17-11 21-11 25-5 12 Hem-fir #3 8-7 12-6 15-10 19-5 22-6 7-5 10-10 13-9 16.9 19-6 Southern pine SS 10-3 16-1 21-2 Note Note 6 10-3 16-1 21-2 Note b Note b Southern pine #1 4042-A 44-9L.1 _6 2040&20-5 Note b Note b -104"- 4-5-9-IL-6 28-18-19-I0 23-10- Note b Southerir:pine #2 "9-1 43-6.1-t-9- 404-12_) Notes*? Note b 940 9-I 444-11-C 49-5-JL 24-;.L2i)- Nme4�21 10 Southern pine #3 9-40 44-6-B-9 44-32-1 -if2 20-3-I$-Q 44-4LA *4+ka-L1 4441¢r2 4-449-12-1.0 47-46-1� 2444-976- Spmec-pine-fir SS 9-8 15-2 19-11 25.5 Note b 9-8 15-2 19.11 25-5 Note Spruce-pine-fir #1 9-5 14-9 19-6' 24-10 Note 9-5 14-4 18-2 22-3 25-9 Spruce-pine-fir 02 9-5 14-9 19-6 24-10 Note h 9-5 14-4 18-2 22.3 25-9 Spaice-pine-fir #3 8-7 12-6 15-10 19-5 22-6 7-5 10-10 13-9 16-9 19-6 Douglas fir-larch SS 9-6 14-11 19-7 25-0 Note b 9-6 14-11 19-7 24-9 Note 0 Douglas fir-larch #1 9-1 14-4 18-11 23-9 Note b 9-1 13-3 16-10 20-7 23-10 Douglas fir-larch #2 8.11 14.1 18-2 22-3 25-9 8-6 12-5 15-9 19-3 22-4 Douglas fir-larch #3 7-5 10-10 13-9 16-9 19-6 6-5 9-5 11.11 14-6 16.10 Hem-fir SS 8-11 14-1 18-6 23.8 Note b 8-11 14-1 18-6 23-8 Note Hem-fir #1 8-9 13.9 18-1 23-1 Note b 8-9 12-11 16-5 20-0 23-3 Hem-fir #2 8-4 13.1 17-3 21-11 25.5 8-4 12-3 15-6 18-11 22.0 Hein-fir #3 7-5 10-10 13-9 16-9 19-6 6-5 9-5 11-11 14-6 16-10 16 Southern pine $S 9-4 14-7 19-3 24-7 Note 9-4 14-7 19-3 24-7 Note Southern pine #1 9-1-11 44-4-14-1 44-4- 24-4-21-2 Note b 944-JA( 444-11-1 #5-1-0-,1r7--2 22-4-201 P,*W tx-211,0_ Southern pine #2 44411 44443-5 184-IL-1 23440- '3reta 23-10 11-1-1.7 9 14-0-1L-1i 4.64 144-.1 20-1-17-t( 223--7-2 Southern pine #3 7-4-1.6-11 4.4-844-12-- -1-4-1412-10 14-6-,15-Z 20.44-18-6 6-1066-f -104-L-Q 4-240.11 4-5-2-1_3-6 44-4- Spruce-pine-fir SS 8-9 13=9 18-1 23-1 Note 8-9 13-9 18-1 23-0 Note Spruce-pine-fir #1 8-7 13-5 17-9 22-3 25-9 8-6 12-5 15.9 19-3 224 Space-pine-fir 42 8-7 13-5 17-9 22-3 25-9 8-6 12-5 15-9 19-3 22-4 Space-pine-fir 0 7-5 10-10 1 13-9 16-9 1 19-6 6-5 9-5 11-11 14-6 16-10 Douglas fir-larch SS 8-11 14-0 18-5 23-7 Note b 8-11 14-0 18-5 22.7 Noteb Douglas fir-larch #1 8-7 13-6 17-9 21-8 25.2 8-4 12-2 15-4 18.9 21-9 Douglas fir-larch #2 8-5 13-1 16-7 20-3 23-6 7-9 11-4'; 14-4 17-7 20-4 Douglas fir-larch #3 6-9 9-11 12.7 15-4 17-9 5-10 8-7 10-10 13-3 15-5 Hem-fir SS 8-5 13-3 17-5 22-3 Note b 8-5 13-3 17-5 22-3 25-9 Hem-fir #1 8-3 12-11 17-1 21-1 24-6 8-1 11-10 15-0 1-84 21-3 Hem-fir 42 7-10 12-4 16-3 20-0 23-2 7.8 11-2 14-2 17-4 20.1 Hein-fir 43 6-9 9-11 12-7 154 17-9 5-10 8-7 10-10 13-3 15-5 19:2 Southern pine SS 8-9 13-9 494- 23-1 Note b 8-9 13-9 -15-4-1 2 23-1 Note b Southernpine #1 974-5 43-6-13=3 a'7-9-M-5 4a-9-21-2 Note-b-255-2_ 94- 4 44-&_U-4 44-.1- - 20 51 4 24-4-2U Southern pine #2 838 1 44-3-111 144-1-;LZ R-2.1$-6 24-10.2 - 5-47 1 4-t-1-1-1U +54116 +&4- '1 - W-6-11;-L4 Southern pine #3 7-4¢_4 44-8-9--A -13-7-1"i- ."-0- 49-1-.16-10 6-4_i6 9-3-$»1 444M- 43-40.124 46-6-14 Spruce-pine-fir SS 8-3 12-11 17-1 21-9 Note 8-3 12-11 17-1 21.0 24-4 Space-pine-fir #1 8-1 12-8 16-7 20-3 23-6 7.9 11-4 14-4 17-7 20-4 Spruce-pine-fir #2 8-1 12-8 16-7 20-3 23.6 7-9 11-4' 14.4 17-7 20.4 Spruce-pine-fir #3 6.9 9-11 12-7 154 1 17-9 5.10 8'-7 10-10 13-3 15-5 (continued) 2003,2006,2009 INTERNATIONAL RESIDENTIAL CODE" 383 ROOF-CEILING CONSTRUCTION APRIL 2013 AMENDMENTS—LEGISLATIVE FORMAT TABLE R802.5.1(2)—continued RAFTER SPANS FOR COMMON LUMBER SPECIES (Roof live load=20 psf,ceiling attached to rafters,LIA=240) RAFTER SPECIES AND DEAD LOAD=10 psf DEAD LOAD=20 psf SPACING GRADE (inches) 2x4 2x6 2.8 2,10 2x12 1 2x4 2x6 2x8 2x10 2xfi2 Maximum rafter spans' (feet- (feet- (feet- (feet- (feet- (feet- (feet (feet- (feet- (feet- Inches) inches) inches) inches) Inches) Inches) Inches) inches) Inches) Inches) Douglas fir-larch SS 8-3 13-0 17-2 21-10 Note 8-3 13-0 16-7 20-3 23-5 Douglas fir-larch #1 8-0 12-6 15-10 19-5 22-6 7-5 10-10 13-9 16-9 19-6 Douglas fir-larch #2 7-10 11-9 14-10 18-2 21-0 6-I1 10-2 12.10 15-8 18-3 Douglas fir-larch #3 6-1 8-1 11-3 13-8 15-11 5-3 7-8 9-9 11-10 13-9 Hem-fir SS 7-10 12-3 16-2 20-8 25-1 7-10 12-3 16-2 19-10 23-0 1-Ient-fir 41 7=8 12-0 I5-6 18-11 21-11 7-3 10-7 13-5 16-4 19-0 IIeur-f¢ 42 7-3 11-5 14-8 17-10 20-9 6-10 10-0 12-8 15-6 17-11 24 Hem-fir #3 6-1 8-10 I1-3 13-8 15-11 5-3 7-8 9-9 I1-10 13-9 Southern pine SS 8-1 12-9 16-10 21-6 Note b 8-1 12-9 16-10 2I-6-�0"10 Nete424-8, Southern pine #1 94L-W 44-6-11- 4"16=2 2-4--J.-11 23?2 94)-l-I 42-4-).):4 4-54-.14_0 494-11 ?4-41 Southern pine #2 7-W14 44-3 11- 4-3-)0-,(3-11 4444-1-0 6 22 2 19� 74 h.4 444-1-_6 +3.9-1?-1 +6-4-JA-4 49-3-1 10_ Southern pine #3 645-1 9-6-BA 44-4-12-6 14-4-12-9 4-7-1-15-1 3-14_11 40-6-2-1 44-5-1 U- 4 -9-.1 1 Spruce-pine-fir SS 7-8 12-0 15-10 20-2 24-7 7.8 12-0 15-4 18-9 21-9 Spruce-pine-fn' #1 7-6 11-9 14-10 18-2 21-0 6-11 10-2 12-10 15-8 18-3 Splllce-pine-f f #2 7-6 11-9 14-10 18-2 21-0 6-11 10-2 12-10 15-8 18-3 Spruce-Ph-fir #3 6=1 1 8-10 11-3 1 13-8 1 15'-1S 1 5-3 7-8 9-9 1 11-10 13-9 Check sources for availability of lumber in lengths greater than 20 feet. For Sl:1 inch=25.4 nun,1 foot=304.8 rain,'I pound per square foot=0.0479 kPa. a. The tabulated rafter spans assume that ceiling joists are located at the bottom of the attic space or that some other method of resisting the outward push of the rafters on the hearing wails,such as rafter ties,is provided at that location.When ceiling joists or rafter ties are located higher in the attic space,the rafter spans shall be multiplied by the factors given below: Hc1Hn Rafter Span Adjustment Factor 113 0.67 1/4 0.76 1/5 0.83 1/6 0.90 1/7,5 or less 1.00 where: III=Height of ceiling joists or rafter ties measured vertically above the top of the rafter support walls. H,e=height ofroofridge measured vertically above the top oftbe rafter support walts. b. Span exceeds 26 feet in length. 384 2003,2006,2009 INTERNATIONAL RESIDENTIAL CODE' APRIL 2013 AMENDMENTS—LEGISLATIVE FORMAT ROOF-CEILING CONSTRUCTION TABLE R802.5.1(3) RAFTER SPANS FOR COMMON LUMBER SPECIES (Ground snow load-30 psf,ceiling not attached to rafters,UA=180) DEAD LOAD=10 psf DEAD LOAD=20 psf 2x4 2x8, 2x8 2x10 2x12 2x4 2x6 2x8 2-10 2x12 RAFTER SPECIES AND (Inches) . a SPACING .GRADE Maximum rafter spates (feet- (feet- (feet- (feet• (feet- (feet- (feet- (feet- (feet= (feet'- Inches) Inches) Inches) Inches) inches) inches) inches) Inches) inches) inches) Douglas fit-larch SS 10-0 15-9 20-9 Note b Note b 10-0 15-9 20-1 24-6 Note b Douglas fir-larch #1 9-8 14-9 18-8 22-9 Note b 9-0 13-2 16-8 20-4 23-7 Douglas fir-larch #2 9-5 13-9 17-5 21-4 24-8 8.5 12-4 15=7 19-1 22-1 Douglas fir-larch #3 7-1 10-5 13-2 16-1 18-8 6-4 9-4 11-9 14-5 16-8 Hem-fir SS 9-6 14-10 19-7 25-0 Note b 9-6 14-10 19-7 24-1 Nate b Hem-fir #I 9-3 14-4 18-2 22,2 25-9 8=9 12-10 16-3 19-10 23-0 Hem-fir #2 8-10 13=7 17-2 21-0' 24-4 8-4 12-2 15-4 18-9 21-9 12 Hem-fir #3 7-1 10-5 13-2 16.1 18-8 6-4 9-4 11-9 14-5 16-8 Southern pine SS 9-10 15-6 20-5 Note b Note b 9-10 15.6 20-5 Note-U-25A Note b Southern pine #1 4 5 44-2-JL-o -8-013-t 4-1-8-23-1 Note 9-&-9A -1444-3-5 -i-&SM- 24-2-191t N01e-b-21-1 Southern pixie #2 9-68U- 44-S-12-11 -t4A 22-3-j" New-b-22-]0 9-07_8 4"4-M- 1641-4-4 4#44-12-4 2342 Southern pine #3 7-7 J1 14-2-2--2 4143--12-Q 4-640-j5_0 -444 -2 6-9 5_-U 1041-2 424ji-Q I 1 174-1-1;2.-10 Spruce-pine-fir SS 9=3 14-7 19-2 24-6 Note b 9-3 14-7 18-8 22-9' Note b Spruce-pine-fir #1 9-1 13-9 17-5 21-4 24-8 8-5 12-4 15-7 19-1 22-1 Spruce-pine-fir #2, 9-1 13-9 17-5 21-4 24-8 8-5 12-4 15-7 19-1 22-1 spruce-pine-fit #3 7-1 10-5 13.2 16-1 18-8 6-4 9-4 11-9 14-5 16-8 Douglas fir-larch SS 9-1 144 18-10 23-9 Nate U 9-1 13-9 17-5 21-3 24-8 Douglas fir-larch #1 8-9 12.9 16-2 19-9 22.10 7-10 11.5 14-5 17-8 20-5 Douglas fir-larch #2 8-2 11-11 15-1 18-5 21.5 7.3 10-8 13-6 16-6 19-2 Douglas fir-larch #3' 6-2 9-0 11-5 13-11 16-2 5-6 8-1 10-3 12-6 14-6 Hein-fir SS 8-7 13-6 17.10 22-9 Note b 8-7 13-6 17-1 20-10 24-2 Hein-fu- #1 8.5 12-5 15-9 19-3 22-3 7-7 11-1 14-1 J7-2 19-11 Hein-fir #2 8-0 11-9 14-11 18-2 21-1 7-2 10-6 13-4 16-3 18-10 16 Hem-fir 43 6-2 9-0 11-5 13-11 16-2 5-6 8-1 10-3 12-6 14-6 Southern pine SS 5-11 14-1 18-6 23-8 Note b 8-11 14-1 444 JU 33-84I U NOe4415-11 Southern pine #1 9-9- 43-9-33-A 45-1-1§&- 34-.5__L9_3 234-2?-10 3- .L- O 444-0-IL-1 46414-2 19-1-{_7-3 23--WA—i Southern pirte #2 84 J& 4--&I L 2 44-314J 44-3-LEW 32-7-19-10 ":§8 444-;)_U 444-121 14--3-j54 20-2-11-2 Southern pine #3 6-7 9-8-M-6 44+13-8 +44-i_320 4 4--15-4 3 105:2 S-8-1d +4-0-9-7 44-0-ILI 43-6-i--9 Spuce-pine-fir SS 8-5 13-3 17-5 22-1 25=7 8-5 12-9 16-2 19-9 22-10 Spruce-pine-fir #1 8-2 11-11 15-1 18-5 21-5 7.3 10-8' 13-6 16-6 19-2 Spruce-pine-fir #2 8-2 11-11 15-1 18.5 21-5 73 10-8 1`3-6 16-6 19-2 Spruce-pine-fir #3 6-2 9-0 1 11-5 13-11 16-2 1 5-6 8-1 10-3 12-6 14.6 Douglas-fir-larch SS 8-7 13-6 17-9 21-8 25-2 8-7 12-6 13-10 19-5 22.6 Douglas fir-larch #1 7-11 11-8 14-9 18-0 20-11 7-1 10-5 13-2 16-1 18-8 Douglas fir-larch #2 7-5 10-11 13-9 16-10 19-6 6-8 9-9 12-4 15-1 17.6 Douglas fir-larch #3 5-7 8-3 10-5 12-9 14-9 5'-0 7-4 9-4 11-5 13-2 Hem-fir SS 8-1 12-9 16-9 21.4 24-8 8-1 134 15-7 19-1 22-1 Henn-fir #1 7-9 11-4 14-4 17-7 20-4 6-11 10-2 12-10 15-8 18-2 Hem-fir #2 7-4 10-9 13.7 16-7 19-3 6-7 9-7 12-2 14-10 17-3 Hem-fir #3 5-7 8-3 10-5 12-9 14-9 5-0 7-4 9-4 11-5 13-2 19.2 Soulbernpine SS 8-5 13-3 17-5 22-3 Note 8-5 13-3 44-3-lb-D 4-3-9-2H ;x3$23-7 Souther»pine #1 "-£Q 4-14 1-10 46-&j5 49-7 M— n420-Al 7-I 1 ZL 44-9-jQ1 44-9-13:5 47-6.15-2 20-61-JU- Southempitie #2 34H-A-0 44--&IU- 411.8.1-JA 4-7--71L4 3-84-1$l. -7- 6-1 '18.1.23 4a-3.1L1 1&-9-41-2 415-5-.L6 Southern pine #3 6-05 3 $-10-1-2 44- 2_2 4.3-4-11 10 444-0-14A 3-44 8 -7-4+LU 4-8-1$9 44-1-1-IU 14--2-1" Spruce-pine-fn' SS 7-11 12-5 16-5 20-2 23-4 7.11 11-8 14-9 18-0 20=11 Spruce-pine-fir #1' 7-5 10-I1 13-9 16-10 19-6 6-8 9-9 12-4 15-1 17-6 Spruce-pine-fir #2 7-5 10-11 13-9 16-10 19-6 6-8 9-9 12-4 I5-1 17-6 Spruce,-pine-fir #3 5-7 8-3 10-5 12-9 14-9 5-0 7-4 9-4 11-5 13-2 (confinued) 2003,2006,2009 INTERNATIONAL RESIDENTIAL CODE" 385 ROOF-CEILING CONSTRUCTION APRIL 2013 AMENDMENTS–LEGISLATIVE FORMAT TABLE R802.5.1(3)—continued RAFTER SPANS FOR COMMON LUMBER SPECIES (Ground snow load=30 psf,ceiling not attached to rafters,LIA=180) DEAD LOAD=10 psi DEAD LOAD=20 psf 2;x4 2'x6 2x6 2, 0 2x12 2x4 1 2x6 2-8 2x10 2-x12 RAFTER SPACING SPECRARE D Maximum rafter spans' (inches) GRADE (feet- (feet- (feet- (fear (feet- (feet- (feet- (feet'- (feet- (feet- Inches) inches) inches) Inches) inches) inches) inches) inches) inches) Inches) Douglas fir-larch ,SS 7-11 12-6 15-10 19-5 22-6 7-R 11-3 14-2 17-4 20-1 Douglas fir-larch #1 7=1 10-5 13-2 16-1 18-8 6-4 9-4 11-9 14-5 16-8' Douglas fir-]arch #2 6=8 9-9 12-4 15=1 17-6 5-11 8-8 11.0 13-6 15-7 Douglas fir-larch #3 5-0 7-4 9-4 11-5 13-2 4-6 6-7 8-4 10-2 11-10 Hem-fir SS 7=6 11-10 15-7 19-1 22-1 7-6 11-0 13-I1 17-0 19-9 Henn-fit #1 6-11 10-2 12-10 15-8 18-2 6-2 9-1 11-6 14-0 16-3 Hein-fir #2 6-7 9-7 12-2 14-10 17-3 5-10 8-7 10-10 13-3 15-5 Hem-fir #3' 5-0 7-4 9-4 11-5 13-2 4-6 6-7 8-4 10-2 11-10 24 Southern pine SS 7-10 12-3 16-2 ?04-2" 23-1-23-7 7-10 441-3-iLL0 44-2-15& 40-9-M-1 23421__2 Southern pine #1 4-4-n 44-4-1;2 44-9-jI 4q-&M 2044-1 7-1-" 40-4-16 44-2-.1 -0 X15-&-1,4-1 4841" Southern pine #2 446.1 49-22-21 d3-2-11-7 44-9-13:2 49-5-1-6—) 6-45-5 94$:7 4441 444-M 4"14& Southern pine #3 5-14-8 7-44-6-11 s 404-8` -1.1-1-1-Q7 44-21 4-4-? 7-1 6,2 9 9 - 19 8 4-§ 42 8 Lt-2 Spruce-pine-firs SS 7-4 11-7 14-9 18-0 20-11 7-1 10-5 13-2 1,6-1 18-8 Spruce-pine-fir 111 6-8 9-9 12-4 15.1 17-6 5-1,1 8=8 11`-0 13-6 15-7 Spruce-pine-fir #2 6.8 9-9 12-4 15-1 17-6 5-11 8-8 11-0 13-6 15-7 Spruce-pine-fir #3 5-0 7-4 9-4 11-5 13-2 4-6 6-7 8-4 10-2 11-10 Check sources for availability of lumber in lengths greater than 20 feet. For ST:i inch=25.4 nrm,1 foot=304.8 aun,I pound per square foot=0.0479 kPa. a. The tabulated rafter spans assume that ceiling joists are located at the bottom of the attic space or that some other method of resisting the outward push of the rafters on the bearing walls,such as rafter ties,is provided at that location.When ceiling joists or rafter ties are located higher in the attic space,the rafter spans shall be multiplied by the factors given below: Nr/yR Rafter Span Adjustment factor 1/3 0.67 1/4 0.76 1/5 0.83 1/6, 0.90 1/7.5 or less 1.00 where: Hc=Height of ceiling joists orrafter ties measured vertically above the top of the rafter suppers walls. HR=Height of roof ridge measured vertically above the top of the rafter support walls: b. Span exceeds 26 feet in length. 386 2003,2006,2009 INTERNATIONAL RESIDENTIAL CODE® APRIL 2013 AMENDMENTS—LEGISLATIVE FORMAT ROOF-CEILING CONSTRUCTION TABLE 8802.5.1(4) RAFTER SPANS FOR COMMON LUMBER SPECIES (Ground snow load=54 psf,ceiling not attached to rafters,LIA=180) DEAD LOAD=10 psf DEAD LOAD='20 psf RAFTER 2x4 2-6 2x8 2'x'10 2X12 1 2x4 1 2-6 2x8 2x10 2x12 GRADE SPACING SPECIES ARE D Maximum rafter spans' (inches) (feet- (feet (feet- (feet (feet- (feet- (feet- (feet- (feet- (feet- Inches) inches) Inches) inches) Inches) Niches) Inches) Inches) inches) inches) Douglas fir-larch SS 8-5 13-3 17-6 22-4 26-0 8-5 13-3 17-0 20-9 24-0 Douglas fir-larch #1 8-2 12-0 15-3 18-7 21-7 7-7 11-2 14,1 17-3 20-0 Douglas fir-larch 42 7-8 11-3 14-3 17-5 20-2 7-1 10-5 13-2 16-1 18-8 Douglas fir-larch #3 5-10 8-6 10-9 13-2 15-3 5-5 7-10 10-0 12-2 14'-I Hem-fir SS 8-0 12-6 16-6' 21-1 25-6 8-0 12-6 16.6 20-4 23-7 Hem-fir 41- 7-10 11-9 14-10 18-1 21-0 7-5 10-10 13-9 16-9 19-5 Hein-fir #2 7.5 11-1 14-0 17-2 19-11 7-0 10-3 13-0 15-10 18-5 Heir-fir 43 5-10 8-6 10-9 13-2 15-3 5-5 7-10 10-0 12-2 14-1 12 Southern pine SS 8-4 -I-3-0-, 17-2 21-11 Note U $-4 4-3-&j3A- 17-2 444 I-2U ale-1x25-3 Southern pine #1 9Q-H +a-44-R-1 444-0-1.1-6 420-3-18-2 34-1- E-2 7_7 1?6- 13 9 14 5 18 4)�;�Q 2-?-4-20-Q Southempine 42 "7-0-11 4-1-9 Imo- 4-54-DA- 4B-a_-IS-10 2-4-3-,),n ;4" 444- 14-4-L2--A 4&-10-iU 44-9-17--3 Southern pine #3 6-2" 9-9-a 11 8 i41 +a-9-12- -16-4-14-6 -545-0 S-3;7j- +942A 444-9-11A 14-2- i- Spruce-pine-fir SS 7-10 12-3 16-2 20-8 24.1 7-10 12-3 15-9 19=3 22.4 Spruce-pine-fin• #1 7-8 11-3 14-3 17-5 20-2 7-1 10-5 13-2 16-1 18-8 Spruce-pine-fir #2 7-8 11-3 14-3 17-5 20-2 7.1 10-5 13-2 16-1 18-8 Spruce-pine-fir #3 5-10 8-b 10.9 13-2 15-3 5-5 7-10 10-0 12-2 14.1 Douglas fir-larch SS 7-8 12-1 15-10 19-5 22-6 7-8 11-7 14-8 17-11 20-10 Douglas fir-larch #1 7-1 10-5 13-2 16-1 18-8 6-7 9-8 12-2 14-11 17-3 Douglas fir-larch #2 6-8 9-9 12-4 15-1 17.6 6-2 9-0 11-5 13-11 16-2 Douglas fir-larch #3 5-0 7-4 94 11-5 13-2 4-8 6.10 8-8 10-6 12-3 Hein-fir SS 7-3 11-5 15-0 19.1 22-1 7-3 11-5 14-5 17-8 20-5 Hera-fir #1' 6-11 10-2 12-10 15-8 I8-2 6-5 9-5 11-11 14-6 16-10 Hem-fir #2 6-7 9-7 12.2 14-10 17-3 6-1 8-11 I1-3 13-9 15-11 Hem-fir 43 5-0 7-4 9-4 11-5 13-2 4-8' 6-10 8-8 10-6 12-3 16 Southern pine SS 7-6 11-10 15-7 19-11 94-3-22- 7-6 11-10 15-7 -1#}-14-jU-f- 4340-21;10 Southern pine 41 7 3u 41-7-LLQ 44-19-13-5 44-6-15-9 29 11-($_$ 4-4(1 -10-1&9-40 44-9-M -16 2#47 19443 Southern pine #2 -7-4" 40-2-J-7 a-2-11_2 44­9-D 423 JU 17-j2 +74-�Q S 9 Southern pine 0 3-4 4447L--U 44-1-L-�2 +4-14-jQ-7 44-,L2-1) 444 4-4 -7-0 6-5-5 94,B 4-4-49--A 44-1J-7 Spruce-pine-fir SS 7-1 11=2 14-8 18-0 20-11 7-1 10-9 13-8 15-11 19-4 Spruce-pine-fir 41 6-8 9`-9 12-4 15-1 17-6 6-2 9-0 11-5 13-11 16-2 Spruce-pine-fir 42 6-8 9-9 12-4 15-1 17-6 6-2 9-0 11-5 13-11 16-2 Spruce-pine-fir- #3 5-0 7-4 1 9-4 11-5 13-2 4.8 6-10 8-8 10-6 12-3 Douglas fir-larch SS _7-3 11-4 14-6 17-8 20-6 7-3 10-7 13-5 16-5 19-0 Douglas fir-larch 41 6-6 9-6 12-0 14-8 17-1 6-0 8-10 11-2 13-7 15-9 Douglas fir-larch #2 6-1 8-11 11-3 13-9 15-11 5-7 8-3 10-5 12-9 14-9 Douglas fir-latch #3 4-7 6-9 8-6 10-5 12-1 4-3 6.3 7-11 9-7 11-2 Hem-fir SS 6-10 10-9 14-2 17-5 20-2 6-10 10-5 13-2 16-1 18-8 Hem-fir #1 6-4 9-3 I1-9 14-4 16-7 5-10 8-7 10-10 13-3 15.5 Hein-fir 42 6-0 8-9 11-1 13-7 15-9 5-7 8-1 10-3 12.7 14-7 Hem-fir #3 4-7 6-9 8-6 10-5 12-1 4-3 6-3 7-11 9-7 11-2 19.2 Southern pine SS 7-1 11-2 14-8 4 914-3 22-49-21- 7-1 11-2 44-9-14-2 44-?-kj-j 3-t-9-M-- Southern pine 41 4-9-8-2-j 4343 464 44+11A- &-8-" 0-- 2-a • -1L-A 4440-13A 4;-&U2 Southern pine #2 6-6,5_7 94BA- 424)-�22 44-4-1-2A- 4440-�4-2 6.0 5-2 S-9-ZA 41-2--2_2 +a4-U_-2 +7-l'�-.$ Southern pine 43 444 7-3-6E- 9.2-U 40-14 4244- 11 5. 4-640 6-$-i,_jQ 5-6-1A 40-4-$4 43-8-101 Spruce-pine-fir SS 6-8 10-6 13-5 16-5 19-1 6-8 9-10 12-5 15-3 17-8 Spruce-pine-fir #1 6-1 8-11 11-3 13.9, 15-11 5-7 8-3 10-5 12-9 14-9 Spruce-pine-fir #2 6-1 8.11 11-3 13-9 15-11 5-7 8-3 10-5 12-9 14-9 Spruce-pine-fir 43 4-7 6-9 8-6 10-5 1 12-1 4'-3 6-3 7-11 9-7 11-2 (conliittied) 2003,2006,2009 INTERNATIONAL RESIDENTIAL CODE" 387 ROOF-CEILING CONSTRUCTION APRIL 2013 AMENDMENTS—LEGISLATIVE FORMAT TABLE R802.5.1(4) RAFTER SPANS FOR COMMON LUMBER SPECIES (Ground snow load=50 psf,ceiling not attached to rafters,LIA=180) DEAF)LOAD=10 psf DEAD LOAD=20 psf 2x4 1 2x6 2x8 Zx10 2x12 2x4 1 2x'6 2x8 2x10 2x12— RAFTER SPECIES AND SPACING GRADE Maximum rafter spans (Inches) (feet- (feet (feet- (feet- (feet (feet- (feet. (feet (feet- (feet- Inches) 'inches)i inches) inches) Inches) inches) inches) Inches) Inches) Inches) Douglas fir-larch SS 6-8 10- 19-0 15-10 18-4 6-6. 9-6 12-0 14-8 17-0 Douglas fir-larch #1 5-10 8-6 10-9 13-2 15-3 5-5 7.10 10-0 12-2 14-1 Douglas fir-larch #2 5-5 741 10-1 12-4 14-3 5-0 7-4 9-4 11-5 13-2 Douglas fir-larch #3, 4-1 6-0 7-7 9-4 10-9 3-10 5-7 7-1 8-7 10-0 Hem-fir SS 64 9-11 12-9 15-7 18-0 6-4 9-4 11-9 14-5 16-8 Hem-Sr #1 5-8 8-3 10-6 12-10 14-10 5-3 7-8 9-9 11-10 13-9 Flem-fir #2 5-4 7-10 9.11 12-1 14-1 4-11 7-3 9-2 11-3 13-0 Hem-fir #3 4-1 6-0 7-7 9-4 10-9 3-I0 5-7 7-1 8-7 10-0 24 Southern pine SS 6.7 10-4 13-8 4-7-6-C A 21-0-19 6-7 444-U 434x$ 444L --2 49.41- Q Southern pine 41 64-L- 9-9-U 4324JU 14-4-12-IfJ 47-1-15-3 645-1 &4-0-$4 4+--2-IN +3-3-IL-J-1 •14 41AJ Southem pine 42 3-10 55-0 -10-.PL-U Q�J 1-' +54-D-2 -544-7 444-11 48-49-1-9 4.44-jam 4-3--1-1- Southern pine #3 4-4-3-10 6-5%5_8 5-3-1-1 9-9-)3-8 44-7-10-3 -443--k 645,x- 7-4-b-7 94$_4 18&2-6 Spntce-pine-fir SS 6-2 9-6 12-0 14-8 17-1 6-0 8-10 11-2 13-7 15-9 Spruce-pine-fir #1 5-5 7.11 10-1 12-4 14.3 5-0 7.4 9-4 11-5 13-2 Spruce-pine-fir #2 5-5 7=11 10-1 12-4 14-3 5-0 7-4 9-4 11-5 13-2 Spruce-pine-fir #3 4-1 6-0 7-7 9-4 1 10-9 3-10 5-7 7.1 8-7 10-0 Check:sources for availability of lumber in lengths greater than 20 feet. For SI:I inch-25.4 nun,1 foot=304.8 mm,l pound per square foot=0.04791tpa a. The tabulated rafter spans assume that ceiling joists are located at the bottom of the attic space or that some other method of resisting the outward posh of the ratters on the bearing walls,such as rafter ties,is provided at that location.When ceiling joists or rafter ties are located higher in the attic space,the rafter spans sbalt be multiplied by the factors given below: Hc/HR Rafter Span Adjustment Factor 1/3 0.67 1/4 0.76 1,/5 0.83 1/6 0.90 1/7.5 or less 1.00 where: FIB=Height of ceiling joists or rafter ties measured vertically above the top of the rafter support walls. FIa=Height of roof ridge iueasured vertically above the top of the rafter suppoil walls. b. Span exceeds 26 feet in length. 388 2003,2006,2009 INTERNATIONAL RESIDENTIAL CODE" i APRIL 2013 AMENDMENTS--LEGISLATIVE FORMAT ROOF-CEILING CONSTRUCTION TABLE R802.5.1(5) RAFTER SPANS FOR COMMON LUMBER SPECIES (Ground snow'load=30 psf,ceiling attached to rafters,LIA=240) DEAD LOAD=10 psf DEAD LOAD c 20 psf RAFTER SPECIES AND 2x4 2 x 6 2x8 2x10 2x12 2x4 1 2x6 2x8 2x10 2x12 SPACING GRADE Maximum rafter spans' (inches) .(feet .(feet- (feet (feet.- (feet- (feet=- (feet- (feet- (feet- (feet Inches) Inches) inches) inches) Inches) inches) Inches) Inches) inches) Inches) Douglas fir-larch SS 9-1 14-4 18-10 24=1 Note b 9-1 14-4 18-10 24-1 Note b Douglas fir-larch #1 8-9 13-9 18-2 22-9 Note b 8-9 13-2 16-8 20-4 23-7 Douglas fir-larch #2 8=7 13-6 17-5 21-4 24-8 8-5 12-4 15-7 19-1 22-1 Douglas fir-larch 0 7-1 10-5 13-2 16-1 18-8 6.4 9-4 11-9 14-5 16-8 Herr-fir SS 8-7 13-6 17-10 22-9 Note 8-7 13-6 17-10 22-9 Note Hem-fir #1 8-5 13-3 17-5 22-2 25.9 8-5 12.10 16-3' 19.10 23-0 Hem-fir 42 8-0 12-7 16-7 21.0 24.4 8-0 12-2 15-4 18-9 21-9 Hem-fir #3 7-1 10.5 13-2 16-1 18-8 6-4 9-4 11-9 14-5 16-8 12 southern pine SS 8-11 14-1 18-6 23-8 Note b 8-11 14-1 18.6 23-8 Note b Southern pine #1 5-9-L-7 43-91 1&?-17-I0 ?3? Note 4-9-3-7, I39•U-55 4"I-_-0 4-19.11 ekr i-- Southern pine #2 &4 U- 4.3-6-12-11 +740-16A A-a 3-IU Aete-b-21-10 8--77-8 -3-41-IU "-S- 494+11-A L34=- Southern pine #3 "U 44429 44-3- 2J __4 4b-1015-0 30-0-M 6-45111 -10-0-U 44-91U 13- 13-5 t?-1-1-15-10 Spruce-pine-fir SS 8-5 13-3 17-5 22-3 Note b 8.5 13-3 17.5 22-3 Note b Spiuce-pine-fir• #1 8-3 12-11 17-0 21-4 24-8 8-3 2-4 15-7 19-1 22-1 Space-pine-fir 42 8-3 12-11 17-0 21-4 24-8 8=3 12-4 15-7 19-1 22-1 Spruce-pine-fir #3 7-1 10-5 13-2 16-1 18=8 6-4 9-4. 11-9 14-5 16-8 Douglas fir-larch SS 8-3 13-0 17.2 2140 Note 8.3 13-0 17-2 21-3 24-8 Douglas fir-larch 41 8-0 12-6 16-2 19-9 22-10 7-10 11-5 14-5 17-8 20-5 Douglas fir-larch #2 7-1 11-11 15-1 18-5 21-5 7-3 10-8 13-6 16-6 19-2 Douglas fir-larch #3 6-2 9-0 11-5 13-11 16.2 5-6 8-1 10.3 12-6 14-6 Hem-fir SS 7-10 12-3 16-2 20-8 25-1 7-10 12.3 16-2 20-8 24-2 Hens-fir #1 7-8 12-0 15-9 19-3 22.3 7-7 11-1 14-1 17-2 19-11 Hem-fu• #2 7-3 11-5 14-11 18-2 21-1 7-2 10-6 13-4 16-3 18-10 Hein-fir #3 6-2 9-0 11-5 13-11 16-2 5-6 8-1 10-3 12-6 14-6 16 Southern pine SS 8-1 12-9 16-10 21-6 Note b 8-1 12-9 16-10 21-6 Note-b-25A L Southern pine 41 8-0-Li1 •12-6-L2-,3„ 16-6-16-2 ?I l-.LU _)210 S-0-x(1 1 42-6-- -I6-2-_L4-9 494-M- ?3 8 Southern pine #2 7-}93¢ 1-3-3--LL-2 -1g-2-i4-2 19-3 16.10 224-7-19.10 7--W6-8 44.41, 0 +44-12--8 44-3-11U- 2" Southern pine #3 64-S-2 94$_¢ 44-41 -8 44-7-13-0 474.UA "5-2 S 7_7 444-2-1 -1-8-IJ-1 44-6-,1 Spruce-pine-fir SS 7-8 12.0 15.10 20-2 24-7 7-8 12-0 15-10 19-9 22-10 Spruce-pine-fir #1 7-6 11-9 15-1 18-5 21-5 7-3 10-8 13-6 16-6 19-2 Spruce-pine-fir #2 7-6 11-9 15-1 18-5 21-5 7-3 10-8 13-6 16-6 19-2 Spruce-piire-fir #3 6-2 9-0 11.5 13.11 16-2 5-6 8-1 10-3 12-6 14.6 Douglas fir-larch SS 7-9 12.3 16-1 20-7 25-0 7-9 12-3 15-10 19-5 22-6 Douglas fir-larch #1 7-6 11-8 14-9 18-0 20,-11 7.1 10-5 13-2 16-1 18-8 Douglas fir-larch #2 7-4 10-11 13.9 16-10 19-6 6-8 9-9 12-4 15-1 17.6 Douglas fir-larch ,#3 5-7 8.3 10-5 12-9 14-9 5-0 7-4 9-4 11-5 13-2' Heal-fir SS 7-4 11-7 15-3 19-5 23-7 74 11-7 15-3 19-1 22-1 I-leni-fir #1 7.2 11-4 14-4 17-7 20-4 6-11 10-2 12-10 15-8 18-2 Hein-fir #2 6-10 10-9 13.7 16-7 19-3 6-7 9-7 12-2 14-10 17-3 Hein-fir #3 5.7 8-3 10.5` 12-9 14-9 5-0 7-4 9-4 11-5 13-2 19.2 Southernpine SS 7-8 12-0 15-10 20-2 24.7 7-8 12-0 15-10 243-20-Q 24-4-W - Southern pine #1 4414 44-4-11-7 44-6-15-1 44-7-17-7 23-4.20-11 7-6-11 44 1]1- a7-6-M- ?0-14- Southern pine #2 .7-46 10 44 3-LU 44-4-12-11 4*-7- ?0-7-1M}-, *46 1 40-2-$.-? 4.3-3-1U 44-61-M -IS--S-J§-2 Southern pine #3 6-051- 949-7-99 443-2=9 43-4-11.10 43-10-19=Q 3-4448 744- -I1 444-1-2 4.1-14--L 443-12--t Spruce-pine-fir SS 7-2 11-4 14.11 19-0 23-1 7-2 11-4 14-9 18-0 20-11. Spruce-pine-fir #1 7=0 10=11 13-9 16-10 19-6 6-8 9-9 12-4 15-1 17-6 Spruce-pine-fir #2 7-0 10.11 13-9 16-10 19-6 6-8 9-9 12-4 15-1 17-6 Spruce-pine-fir #3 5-7 8-3 10-5 12-9 1 14-9 5-0 1 7-4 9-4 11-5 13-2 (continitt,d) 2003,2006,2009 INTERNATIONAL RESIDENTIAL CODEe 389 ROOF-CEILING CONSTRUCTION APRIL 2013 AMENDMENTS-LEGISLATIVE FORMAT TABLE R802.5.1(5)—continued RAFTER SPANS FOR COMMON LUMBER SPECIES (Ground snow load=30 psf,ceiling attached to rafters,LIA=240) DEAD LOAD=10 psf I DEAD LOAD=20 psf RAFTER SPECIES AND 2x4 2x6 2x8 2x10 1 2x12 1 2x4 2x6 2xt) 2x10 2x12 SPACING GRADE Maximum rafter spans' (inches) .(feat- (feet- (feet- (feet- (feet- {feet- (feet- (feet- (feet- (feet- Inches) Inches) Inches) Inchos) inches) inches) Inches) inches) Inches) inches) Douglas fir-larch SS 7-3 11-4 15-0 19-1 22-6 7-3 11-3 142 17-4 20-1 Douglas fir-larch 41 7-0 10-5 13-2 16-1 18-8 6-4 9-4 11-9' 14-5 16-8 Douglas fir-larch #2 6-8 9-9 12-4 15-1 17-6 5-11 8-8 11-0 13-6 15-7 Douglas fir-larch #3 5=0 7-4 9-4 11-5 13-2 4-6 6-7 8-4 10-2 11-10 Hem-fir SS 6-10 10-9 14-2 18-0 21-11 6-10 10-9 13-11 17-0 19.9 Henn-fir #t 6-8 10-2 12-10 15-8 18-2 6-2 9'-1 11-6 14.0 16-3 Hem-fir #2 6-4 9-7 12.2 14-10 17-3 -10 8-7 10-10 13-3 15-5 Henn-fir 43 5-0 7-4 9-4 11-5 13-2 4-6 6-7 8-4 10.2 11-10 24 Southern pine SS 7-1 11-2 14-8 15-9 22-10 7-1 11-2 14-8 +9417_11 2?40- Southern pine 41 746-L) k044-JU +"-J-S- +:-Fi-15.9 29441" ;4b-4 4.0-0-9¢ 43--2-M- 1-5-3-14-1. 4-"JU Southern pine #2 Cr-1 L-J +0-?- ,13--2--.11:7 46-9-13-9 14--S-IA-1 "5-5 &I 44-9. 01_4- 44-1-L-3 46-6-JA-_0 Southern pine #3 3-4 444-L-U 40-4-8 t'- 14--1-)-1-Q-7 44-2-L2-1 4-9 4-2 94-L-W 4{1-8-9_¢ 42411-2 Spruce-pine-fir SS 6-8 10-6 13-10 17-8 20-11 6-8 10-5 13-2 16-1 18-8 Spruce-pine-fir #1 6-6 9-9 12-4 15-1 17-6 5-11 8-8 11-0 13-6 15-7 Spruce-pine-fir #2 6-6 9-9 12-4 15-1 17-1 5-11 8-8 11-0 13-6 15-7 Spruce-pine-fir #3 . 5-0 1 7-4 1 9-4 11-5 1 13.2 4-6' 6-7 1 8-4 10-2 11-10 Check sources for availability of lumber in lengths greater than 20 feet. For SI:f inch=25.4 imn,I foot=304.8 nuu,I pound per square foot=0.0479 Id'a, a The tabulated rafter spans assume that ceiling joists are located at the bottom of the attic space or that sonic other method of resisting the outward push of tine rafters on the bearing walls,such as rafter ties,is provided at that location.%en ceiling joists or rafter ties are located higher in the attic space,the rafter spans shalt be multiplied by the factors given below: Hc1HR Rafter Span Adjustment Factor 1/3 0.67 1/4 0.76 1/5 0.83 1/6 0.90 1/7.5 or less 1.00 where: FTc=Height of ceiling joists or rafter ties tncasured vertically above the top of the rafter support walls. 1JR=.Height of roof ridge measured vertically above the top of the rafter support walls.. b. Spam exceeds 26 feet in length. 390 2003,2006,2009 INTERNATIONAL RESIDENTIAL CODE' APRIL 2013 AMENDMENTS-LEGISLATIVE FORMAT ROOF-CEILING CONSTRUCTION TABLE R802,5.1(6) RAFTER SPANS FOR COMMON LUMBER SPECIES (Ground snow load=50 psf,ceiling attached to rafters,LIA-'240) DEAD LOAD=10 psf DEAD LOAD=20 psf RAFTER 2x4. 2 x 6 2x8 2x10 2x12 2 x 4 2x6 2x8 2x10 2x12 SPACING SPECIES RARE D Maximum rafter spans' (inches) GRADE (feet- (feet- (feet- (feet- (feet- (feet- (feet- (feet- (feet- (feet- Inches) inches) Inches) Inches) inches) Inches) Inches) inches) inches) Inches) Douglas fir-larch SS 7-8 12-1 15-11 20-3 24-8 7-8' 12-1 15-11 20-3 24-0 Douglas fir-larch #1 7-5 11-7 15-3 18-7 21-7 7-5 11-2 14-1 17-3 20-0 Douglas fir-larch #2 7-3 11-3 14-3 17-5 20-2 7-1 10-5 13-2 16-1 18-8 Douglas fit--larch #3 5-10 8-6 10-9 13-2 15-3 5-5 7-10 10-0 12.2 14-1 Hem-fir SS 7-3 11-5 1.5.0 19-2 23.4 7-3 11.5 15-0 19-2 23-4 Hem-fir #1 7-1 11.2 14-8 18-1 21-0 7-1 10-10 13-9 16-9 19.5 Hem-fir #2 6-9 10-8 14-0 17-2 19-11 6-9 10-3 13-0 15.10 18-5 Hem-fir #3 5-10 8-6 10.9 13-2 15-3 5-5 7.10 10-0 12-2 14-1 12 Southern pine SS 7-6 11-10 15-7 19-11 24-3 7-6 11-10 1.5-7 19-11 24-3 Southern pine #1 7-5-3-2 •F1-7-34 +541a 49-7-M- 23-9-M 744-33 h1a 13 13.4.11_5 4&4I 5!(2 21480 Southern pine #2 L4 6 11 44 S-nA 415413- +8­43-" 2.1-3•• R(U- 7 4 6 6 40-d-1-22 444-12:4 4440-1" 494M Southern pine #3 6-255 0-2-H 444x¢!, 44412--2 -W 14S`t 4-95-0 1049-:4 4-14J14 14-2-:1 15 Spruce-pine-fir SS 7-1 11=2 14-8 18-9 22-10 7-1 11-2 14-8 18-9 224 Spruce-pine-fir #1 64 1 10-11 14.3 17-5 20-2 6-11 10-5 13-2 16-1 18-8 Spruce-pine-fir #2 6=11 10-11 14-3 17-5 20-2 6-11 10-5 13-2 16-1 18.8 Spruce-pine-fir 43 5.10 8.6 10-9 1 13-2 15-3 5-5 7-10 10-0 12-2 14-1 Douglas fir-lazch SS 7.0 11-0 14-5 18-5 22-5 7.0 11-0 14-5 17-11 20-10 Douglas fir-larch #1 6-9 10-5 13-2 16-1 18-8 6-7 9-8 12-2 14-11 17-3 Douglas fir-larch 42 6-7 9-9 12-4 15-1 17-6 6-2 9.0 11-5 13-11 16-2 Douglas fir-larch #3 5-0 7-4 9-4 11-5 13-2 4-8 6-10 8-8 10-6 12-3 Hem-fir SS 6-7 10-4 1`3-8 17-5 21-2 6-7 10-4 13-8 17-5 20.5 Hem-fir #1 6-5 10-2 12-10 1,5-8 18-2 6-5 9-5 11-11 14-6 16-10 Hem-fir 42 6-2 9-7 12-2: 14-10 17-3 6-1 8-11 11-3 13-9 15-11 Hein-fir #3 5-0 7-4 9-4 11-5 13=2 4-8 6-10 8-8 10-6 12-3 16 Southern pine SS 6-10 10-9 14-2 18-1' 22-0 6-10 10-9 14-2 18-1 22-4-� --110_ Southern pine 41 6-9-L5-2 +041QA 44-1+1.315 44-6-:19 2044-JU 6-9-�-1 404-2-.LQ 43-&11-j 44-2-L9_1 44.4-1Uz Southernpine 42 "6-1 49-2-Q_2 4441_ 7 44-9-13-9 48--5-1U 6-75-8 9 Qa4 Q_2 44-a1-1U -1--4-1 Southern pine #3 -5-4 ,r 11 6-11 +0478-9 4 t 1 i i{Q7 444- A 12 4 1!9 4 f�5 a 9-4-$A- 4149J--Q 43 1 j1 Z Spruce-pine-fir SS 6-5 10-2 13-4 17-0 20-9 6-5 10-2 13-4 16-8 19-4 Spruce-pine-fir #1 6-4 9-9 12-4 15-1 17.6 6-2 9-0 11-5 13-11 16-2 Spree-pine-fir #2 6-4 9-9 12-4 15-1 17-6 6-2 9-0 11-5 13.11 16-2 Spruce-pine-fir 03 4-0 1 7.4 9-4 11-5 13-2 4-8 6-10 8-8 10-6 12-3 Douglas fir-larch SS 6-7 10-4 13-7 17=4 20-6 6-7 10-4 13-5 16-5 19.0 Douglas fir-larch #1 6-4 9-6 12-0 14-8 17-1 6-0 .8-10 11-2 13-7 15.9 Douglas fir-larch #2 6-1 8-11 11-3 13-9 15-11 5-7 8-3 10-5 12.9 14-9 Douglas fir-larch #3 4-7 6-9 8-6 10-5 12-1 4.3 6-3 7.11 9-7 11-2 Hein-fir SS 6-2 9-9 12-10 16-5 19-11 6-2 9-9 12-10 16-1 18-8` Item-fit' #1 6-1 9-3 11-9 14-4 16-7 5-10 8-7 10-10 13-3 15-5 Heni-fir 42 5-9 8-9 11-1 13-7 15-9 5-7 8-1 10-3 12-7 14-7 Hem-fit #3' 4.7 6-9 8-6 10-5 12-1 4-3 6-3 7-11 9-7 11-2 19;2 Southern pine ' SS 6-5 10.2 13-4 17-0 20-9 6-5 10-2 13-4 4449-_11i_l1. 204 Southempine #1 6+4.66 944- 444- 44-0.-.14_4 494-131 64-¢-0 044- 441-51_L4 444,0-JI4 4-7-5-152 Southern pine #2 6-2-5-2 94.14 43-0-1Q2 4.44-12-r +64-0112 6=0`rte- 9-8-1-2 44-4-" 444112 +54 Southern pine 43 4-44 Al 4-3-§-4• 94Hd 40-18-28 4-2-1-1-13-i 4-64 0 6-9-,LLQ &--6.2A -10-1-$_l1. 444L O7 Spruce-pine-fir SS 6-1 9-6 12-7 16-0 19-1 6-1 9-6 12-5 15-3 17-8 Spruce-pine-fir #1 5-11 8-11 11-3 13-9 15-11 5.7 8-3 10-5 12-9 14-9 Spruce-phle-fir #2 5-11 8-11 11-3 13-9. 15-11 5-7 8-3 10-5 12-9 14-9 Spruce-pine-fir 113 4-7 6-9 8-6 10.5 12-1 4-3 6-3 7-11 9-7 11-2 (Continued) 2003,2006,2009 INTERNATIONAL RESIDENTIAL CODE" 391 ROOF-CEILING CONSTRUCTION APRIL 2013 AMENDMENTS—LEGISLATIVE FORMAT TABLE R802.5.1(6)—continued RAFTER SPANS FOR COMMON LUMBER SPECIES (Ground snow toad=50 last ceiling attached to rafters,UA=240) DEAD LOAD=10 psf DEAD LOAD=20 psf RAFTER 2x4 2x6 2x8 7x10 2x12 2x4 2x6 2x.8 2.10 2.12 SPACING SPECIES AND Maximum rafter spans' (Inches) GRADE (feet- (feet- (feet- (feet- (feet- (feet- (feet. (feet- (feet- (feet- Inches) Inches) inches) inches) Inches) Inches) Inches) Inches) inches) inches) Douglas fir-larch SS 6-1 9-7 12-7 15-10 18-4 6-1 9-6 1`2.0 14-8 17-0 Douglas fir-larch #1 5-10 8-6 10-9 13-2 15-3 5-5 7-10 10-0 12-2 14-1 Douglas fir-)areb #2 5-3 7-11 10-1 12-4 14-3 5-0 7-4 9-4 11-5 13-2 Douglas fir-larch #3 4-1 6-0 7-7 9-4 10-9 3.10 5-7 7-1 8-7 10-0 Hem-fn' SS 5-9 9-1 11-11 15-2 18-0 5.9 9-1 11-9 14-5 15=11 Hem-fir #1 5.8 8-3 10-6 12-10 14-10 5-3 7-8 9-9 11-10 13-9 Henn-fir 42 5-4 7-10 9-11 12-1 14-1 4-11 7-3 9-2 11-3 13-0 24 Henrfir #3 4-1 6-0 7-7 9-4 10-9 3-10 5-7 7-1 8-7 10-0 Southern line SS 6-0 9-5 12-5 15-10 19-3 6-0 9-5 12-5 4440- 5]�-7 +941Z- Southern pine #1 3-19--4.9 94-$-8 44-0-11-0 14-4-12-10 444-15.-3 310-5-5 &40-.$_4 4-4-1 2 44-3-ILLL 4341AA Southern pine #2 3-95, }t 5-4-1-5 18-9-9=5 4240-11- 4-54-13-2 33A�J 74 C--,j1 40-0-1--9 44-44-10-3 4.3-14-1' Southern pine #3 443-10 64.3`-8 8-3-2 94U 444A-1 -44 6`013 4-7-667 94-00 40-8-4.6 Spruce-pine-fir SS 5-8 8-10 11-8 14-8 17-1 5-8 8-10 11-2 13-7 15-9 Sprucc-pine-fir 41 5-5 7-11 10-1 12-4 14-3 5-0 7-4 9-4 11-5 13.2 Spruce-pine-fir 42 5-5 7-11 10-1 124 14-3 5-0 7-4 9-4 11-5 13-2 Spruce-pine-fir #3' 4-1 6-0 7-7 1 94 10-9 3-10 5-7 7-1 84 1010 Check sources for availability of lumber in lengths greater than 20 feet. For SI:1 inch=25.4 mm,1 foot=304.8 nim,l pound per square foot=0.0479 kPa. a. The tabulated garter spans assume that ceiling joists are located at the bottom of the attic space or that some other method of resisting the outward push:of the rafters on the bearing walls,such as rafter ties,is provided at that location.When,ceiling joists or rafter ties are located higher in the attic space,the rafter spans shall be multiplied by the factors given Uelow: Hc1HR Rafter Span Adjustment Factor 113 0.67 114 0.76 1/5 0.83 116 0.90 1/7.5 or less 1.00 wherec He=Height of ceiling joists or rafter ties measured vertically above the top of the railer supportsvalls. JIR=Height of roof ridge measured vertically above the top of the rafter support walls. 392 2003,2006,2009 INTERNATIONAL RESIDENTIAL CODE' APRIL 2013 AMENDMENTS-LEGISLATIVE FORMAT ROOF-CEILING CONSTRUCTION TABLE R802.5.1(7) RAFTER SPANS FOR 70 PSF GROUND SNOW LOAD (Ceiling not attached to rafters,LlA=180) DEAD LOAD-10 psf DEAD LOAD-20 psf RAFTER 2-4 2x6 2x8. 2x1.0 2.x12 2'x4 2x6 2x.8 2x10 2.x12 SPACING SPECIES AND GRADE Maximum Rafter Spans' (Inches) -- -' -- (feet-. (feet- (feet- (feet- (feet- (feet- (feet (feet- (feet- (feet- Inches) Inches) Inches) Inches) Inchesl Inches) Inches) Inches) inches) Inches) Douglas fir-larch +SS 7=7 H-10 15-8 19-5 22.6 7-7 11-10 15-0 18-3 21-2 Douglas fir-larch #1 7-1 10-5 13-2 16-1 18-8 6-8 9-10 12-5 15=2 17-7 Douglas fir-larch #2 6-8 9-9 12-4 15-1 17-6 6-3 9-2 11-8 14-2 16-6 Douglas fir-larch #3 5-0 7-4 9=4 11-5 13-2 4-9 6-11 8.9 10-9 12-5 Hein-fir SS 7-2 11-3 14-9 18-10 22-1 7-2 11-3 14-8 18=0 20-10 Belli-fir #1 6-11 10-2 12-10 15-8 18-2' 6-6 9-7 12-1 14-10 17-2 Hem-fir #2 6-7 9-7 12-2 14-10 17-3 6-2 9-1 11-5 14-0 16-3 12 Hent-fir #3 5-0 7-4 9-4 11-5 13-2 4.9 6-11 8-9 10-9 12-5 - Southern pine SS 7-5 11.8 15-4 19-7 ?3-If3.7�- 7-5 11-8 15-4 4-9-7-18-10 ?3-10,?2-3 Southern pine #1 3--3-� 4-1-5-A-1 14-A--Jlam- P41U 20-14-JU 740- 44-1`JU 43-i-I11-1 4,6-6.14-10 Southern pine #2 g46-„1 4949-2 43-2-10,-,1 14-9-1 -2 4;l54i� 6� 55 9-4-U 4-2-&Jk- 1 44-1.4112-11 444.1 Southern pine #3 "4-8$ 444-§--d 484-8 2 44-44-ID-2 •14?12-6 3 14=5 a-5 r�6 9 6 8=3 14 3-10�Q 13 d-1 LL Spruce-pine-fir SS 7-0 11.0 146 18-0 20-11 7-0 11-0 13.11 17-0 19-8 Spruce-pine-fir #1 6-8 9.9 12-4 15-1 17-6 6-3 9-2 11.8 14-2 16-6 Spruce-pine-fir #2 6-8 9-9 12.4 15-1 17-6 6-3 9-2 11-8 14-2 16-6 Spruce-pine-fir 43 5-0 7-4 1 9-4 1.1-5 13-2 1 4-9 6-11 8-9 10-9 12-5 Douglas fir-larch SS 6.10 10-9 13-9 16-10 19=6 6-10 10-3 13-0 15-10 18-4 Douglas fir-larch #1 6-2 9-0 11-5 1341 16-2 5-10 8-6 10.9 13-2 15.3 Douglas fir-larch #2 5-9 8-5 10-8 13-1 15-2 5.5 7-11 10-1 12-4 14-3 Douglas fir-larch #3 4-4 6-4 8-1 9.10 11.5 4-1 6-0 7-7 9-4 10-9 Hem-fir SS 6-6 10-2 13-5 16-6 19-2 6-6 10-1 12.9 15-7 18-0 Hem-fir #1 6-0 8-9 11-2 13-7 15-9 5-8 8-3 10-6 12-10 14-10 Herr-fir #2 5.8 8-4 10-6 12-10 14-11 5-4 7-10 9-11 12-1 14-1 Hem-fir 43' 44 64 8-1 9-10' 11-5 4-1 6.0 7-7 9-4 10-9 16 Southern pine SS 6-9 10-7 14-0 14 0-12A al-8-W- 6-9 10-7 44413-2 -}-7•-WJ-A 24$JU Southern pine 41 6-7-U 44-121 3.2-9-11-8 +5 LJ311 49-1-16 6-5--5-0 9-7-U 44jL--Q 4-0-4a-L Southern pine 42 &41,1 &40-Z11 41-3-102 13-7-11-1I 641!L4-Q 3-1930 5-4-2-5 40-9.21 -1-a-1&l]l d34_D_2 Southern pine #3 4-8 A j 44 6-9 &9-1-3 10-0-Q? 444-IL L0 -4-4 3 10 641.53 8-3-7A 94$0 11-7 I�3 Spruce-pine-fir SS 6-4 10-0 12-9 15-7 18-1 6-4 9-6 12-0 14-8 17-1 Spruce-pine-fir #1 5-9 8-5 10-8 13.1 15-2 5-5 7-11 1e-1 12.4 14-3 Spruce-pine-fir #2 5-9 8-5 10-8 13-1 15 5.5 7-11 10-1 12.4 14-3 Spruce-pine-fir #3 4-4 6-4 8=1 9-10 11-5 4-1 6-0 7-7 9-4 10-9 Douglas fir-larch SS 6-5 9=11 12-7 15-4 17-9 6-5 9-4 11-10 14-5 16-9 Douglas fir-larch #1 5-7 8-3 10-5 12-9 14-9 5-4 7-9 9-10 12-0 13-11 Douglas fir-larch #2 5-3 7-8 9-9 11-11 13-10 5-0 7.3 9-2 11-3 13-0 Douglas fir-larch #3 4-0 5-10 7-4 9-0 10-5 3-9 5-6 6-I1 8-6 9-10 Hein-fir SS 6-1 9-7 12-4 15-1 17-4 6-1 9-2 11-8 14-2 15-5 Hem-fir #1 5-6 8-0 10-2 12=5 14-5 5-2 7-7 9-7 11-8 13=7 Hem-fir #2 5-2 7-7 9-7 11-9 13-7 4-11 7-2 9-1 11-1 12-10 Heni fir #3 4-0 5-10 7.4 9.0 10-5 3-9 5-6 6-11 8-6 9-10 19:2 Southern pine SS 6-4 10-0 13-2 44-15-10 3-&4-(J;=$ 6-4 4.9-8rL-J,Q 44-4-12=6 4441L1-1 49-2-M - Southern pine #1 6-3-5A 0-3-U 44 JH 4434A-12-S 46-6-14-2 3119 41-4-L 444122 44-4- U U-4-ILLI Southern pine #2 54A-14 9-4-3 +04-23 424-L(LL0 44•7-82 4-0 4-74-1-0 940.0 44-910-3 4313-11-1 Southern pine #3 4-43-1 6-3-56 9-46-11 9314 44-2-2=IJ 4-0 3 4-`,1- 44" fi t8?_I3 40a-1-A Spruce-pine-fir SS 6-0 9-2 11-8 14-3 16-6 5-11 8-8 11-0 13-5 15-7 Spruce-pine-fir #1 5-3 7-8 9-9 11-11 13-10 5-0 7-3 9 42 11-3 13-0 Spruce-pine-fir #2 5-3 7-8 9-9 11-11 13-10 5-0 7-3 9-2 11-3 13-0 Spruce-pine-fir #3 4-0 5-10 7-4 9-0 10-5 3-9 1 5-6 6-11 8.6 9-1.0 (continued) 2003,2006,2009 INTERNATIONAL RESIDENTIAL CODE® 393 ROOF-CEILING CONSTRUCTION APRIL 2013 AMENDMENTS–LEGISLATIVE FORMAT TABLE R802.5.1(7)—continued RAFTER SPANS FOR 70 PSF GROUND SNOW LOAD (Ceiling not attached to rafters,L/A=180) DEAD Lt1AD=10 psf DEAD�LOAD 0 psfRAFTER 2x4 2x6 2x8 2xid 2x12 2x4 2x6 2x10 2x12 SPACING SPECIES AND GRADE Maximum Rafter Spans' (inches) (feet- (feet- (feet- (feet- (feet- (feet- (feet (feet. (feet- (feet- Inches) Inches) inches) inches) inches) Inches) inches) Inches) Inches) inches) Douglas fir-larch SS 6-0 8-10 11-3 13-9 15-11 5-9 8-4 10-7 12-11 15-0 Douglas fir-larch #1 5-0 7-4 9-4 11.5 13-2 4-9 6-11 8-9 10-9 12-5 Douglas fir-larch 42 4-8 6-11 8-9 10-8 12-4 4-5 6-6 8-3 10.0 11-8 Douglas fir-larch #3 3-7 5-2 6-7 8'-1 94 3-4 4-11 6-3 7-7 8-10 Hem-fur SS 5-8 8-8 11-0 13-6 13-11 5-7 8-3 10.5 12-4 12-4 11ciu-fir #1 4-11 7-2 9-1 11-1 12-10 4-7 6-9 8-7 10.6 12-2 Hein-fir #2 4.8 6.9 8-7 10-6 12-2 4-4 6-5 8-1 9-11 11.6 24 Hem-fir #3 3-7 5-2 6-7 8-1 9-4 3-4 4-11 6-3 7-7 8=10 Southern pine SS 5-11 9-3 1-?-2-,1!_-1.1 13 7 14 2 4 -2-,)U 5-11 93I-a 44-2-W- }4-8-134 44—'112 Southern pine #1 34-5a 84-L-o 104-2-6 44-5-I J-1 14 4 J 2 3�41 a 18-1 9- 8 2A 11 814 I3 11 1 Southern.pine 42 3-0 7-3--6.-5 9-4-1-2 4-1-9-2 4.3-0.11- 4-94-1 Fr 49� 8 9�Q 49421 41311 1_4_9 Southern pine #3 3-93A 34-4 1-6_3 8--5-JA- 40-0-8-1 4-4-3-1 _1 b-9-5=10 a N-77- A 3$ Spruce-pine-fir SS 5-6 8-3 10-5 12-9 14-9 5-4 7-9 9-10 12-0 12-11 Spruce-pine-fir #1 4-8 6-11 8-9 10-8 12-4 4-5 6-6 8-3 10-0 11-8 Spruce-pine-fir 42 4-8 6-11 8-9 10-8 12-4 4-5 6-6 8-3 10-0 11-8 Spruce-pine-fir #3 3-7 1 5-2 1 6-7 8-1 9-4 3-4 4-11 6-3 7-7 1 8-10 Check sources for availability of lumber in lengths greater than 20 feel For SI:1 inch=25.4 mtu,l foot=304.8 nnu,1 pound per square foot=0.0479 kPa. a. The tabulated rafter spans assume that ceiling joists are located at the bottom of the attic space or that some tither method of resisting the outward push of the rafters on the bearing walls,such as rafter ties,is provided at that location.When ceiling joists or rafter ties are located higher in the attic space,the rafter spans shall be multiplied by the factors given below HcIHR Rafter Span Adjustment Factor 1/3 0.67 1/4 0.76 1/5 0.83 1/6 0.90 117,5 or less 1.00 where: Hc=height of eeiting joists or rafter ties ineasmed vertically above the top of the rafter support walls. H1,=Height of roof ridge measured vertically above the top ofthe rafter support walls. 394 2003,2006,2009 INTERNATIONAL RESIDENTIAL CODE' APRIL 2013 AMENDMENTS-LEGISLATIVE FORMAT ROOT-CEILING CONSTRUCTION TABLE 12802.5.1(8) RAFTER SPANS FOR 70 PSF GROUND SNOW LOAD (Ceiling attached to rafters,L/A=240) DEAD LOAD=10 psf DEAD LOAD=20 psf RAFTER SPECIES AND 2.4 2x6 2x8 2x10 2x12 2-x4 1 2x6 2x8 2x10 2x12 SPACING GRADE Maximum rafter spans' (inches) (feet- (feet- (feet- (feet- (feet- (feet- (feet- (feet- (feet- (feet- Inches) -inches) inches) Inches) inches) inches) inches) Inches) inches) inches) Douglas fir-larch SS 6-10 10-9 14-3 18-2 22-1 6-10 10-9 14-3 18-2 21-2 Douglas fir-larch 41 6-7 10-5 13-2 16-1 18-8 6-7 9-10 12-5 15-2 17-7 Douglas fir-larch 42 6-6 9-9 12.4 15.1 17=6 6-3 9-2 11-8 14-2 16-6 Douglas fir-lards #3 5-0 7-4 9-4 11-5 13-2 4-9 6-11 8-9 10-9 12-5 Hern-fir SS 6-6 10-2 13-5 17-2 20-10 6-6 10-2 13-5 17-2 20-10 Hem-fir 41 6-4 10-0 12-10 15-8 18-2 6-4 9-7 12-1 14-10 17-2 Hem-fir 42 6-1 9-6 12-2 14-10 17.3 6-1 9-1 11-5 14-0 16-3 12 Hem-fir #3 5-0 7-4 9-4 11-5 13-2 4-9 6-11 8-9 10-9 12-5 Southern pine SS, 6-9 10-7 14-0 17-10 21-8 6.9 10-7 14-0 17-10 21-8 Southernpine #1 64L- -6 40-5-i-Q-2 44•-8-D}-5 44-Er18-9 204-1-18-8 6-7-" 1X1-5.1-Q0 43-9-M- 44-6-14-10 -9-&1 Southernpine #2 6.661 40-:-L,2- 44-2--j-L-1 43413- 4S-:5-,)G2 6-659 9-7--$1 444%.10-11 4440.12-17 444-15-3 Southeri pine #3 544-8 q14--I I 1.0.1 8 4-1-14-18-7 4 -2 8-6 5-44-5 a4-§-_6 9-6-8-3 4a1-3 100 0 -1-3-4;U-19 Spruce-pine-fit SS 6.4 10-0 13-2 16-9 20-5 6-4 10.0 13-2 16-9 19-8 Spruce-pine-fir #1 6-2 9-9 12-4 15-1 17.6 6.2 9-2 11-8 14-2 16-6 Spruce-pine-fir #2 6-2 9-9 12-4 15-1 17-6 6-2 9-2 11-8 14.2 16-6 Spruce-pine-fir #3 5-0 7-4 9-4 11-5 13-2 4-9 6-11` 8-9 10-9 12.5 Douglas fir-)arch SS 6-3 9-10 12.11 16-6 19-6 6-3 9-10 12.11 15-10 18-4 Douglas fir-lards #1 6-0 9-0 11-5 13-11 16-2 5-10 8-6 10-9 13-2 15-3 Douglas fir-larch #2 5-9 8-5 10-8 13-1 15-2 5-5 7-11 10-1 124 14-3 Douglas fix-larch #3 4-4 6-4 8-1 9-10 11-5 4-1 6-0 7=7 9-4 10-9 Hem-fir SS 5-11 9-3 12=2 15-7 18-11 5.11 9'-3 12-2 15-7 18-0 Hem-fir 41 5-9' 8-9 11.2 13-7 15-9 5-8 8-3 10-6 12.10 14-10 Hein-fir. #2 5-6 8-4 10-6 12-10 14-11 5-4 7-10 9-11 12-1 14-1 16 Hein-fir #3 4-4 6-4 8.1 9-10 11-5 4-1 6-0 7-7 9-4 10-9 Southern pine SS 6-1 9-7 12.8 16-2 19-8 6-1 9-7 12-8 16-2 439-8-JU Southern pine 41 64L-a 9-5-2- 42-5-,1L$ 43-2-jU 4"16-2 6.9-L-10 93-U 13-0-8-Q 44-4-"2-10 444-1-1 Southern pine #2 3-44 5-3 940-M 44 4-JU 43 9IL-11, 46-0-L-0 S445--Q 9-4-1--1 44-9-9--1 43-48-11 434-12-2 Southern pine 0 4-94-1 64(&6-0 9-9.1-7 404-U 4-124 0-10 4-4I-Q 6-5-U 9-3_1A 94" 4-7-J Spruce-pine-fir SS 5-9 9-1 11-I1 15-3 18-1 5-9 9-1 11-11 14-8 17-1 Spruce-pine-fir #1 5-8 8-5 10=8 13-1 15-2 5-5 7-11 10-1 124 14-3 Spruce-pine-fir 42 5-8 8-5 10-8 13-1 15-2 5-5 7-11 10-1 12-4 14-3 Spruce-pine-fir 43 4-4 6-4 8-1 9.10 I1-5 . 4-1 6-0 7-7 9-4 30-9 Douglas fir-larch SS 5-10 9-3 12-2 154 17-9 5.10 9-3 11-10 14-5 16-9 Douglas fir-larch 41 5-7 8.3 10-5 12-9 14-9 5-4 7-9 9.10 12-0 13-11 Douglas fir-larch #2 5-3 7-8 9-9 11-11 13-10 5-0 7-3 9-2 11-3 13.0 Douglas fir-larch #3 4-0 5-10 7-4 9-0 10-5 3-9 5-6 6-11 8.6 9-10 Hem-fir SS 5-6 8-8 11-6 14-8 17-4 5-6 8-8 11-6 14-2 15.5 Hens-fir #1 5-5 8=0 10-2 12-5 14-5 5.2 7-7 9-7 11-8 13-7 Hem-fir #2 5-2 7-7 9-7 1.1-9 13-7 4-11 7.2 9-1 11-1 12-10 19 2 Hem-fir #3 4-0 5-10 7-4 9-0 10-5 3-9 5-6 6-11 8-6 9-10 Southern pine SS 5-9 9-1 11.11 15-3 18-6 5-9 9-1 11-11 43-3-14-11' 44-6- Southern pine #I 944-U 44-$-10:$ 43-10-JU 4"14-2 4-9-3-A 5-9-L-U +1-41H 4&-1-JU 43-77-U-_U Southern pine #2 3-6,4:10 9-1-Z-3 405.22 423.19-)0 44-7-12-2 "4-6 74kA- 940-U 44-9.1.0.,_-3 43-9-DI Southern pine #3 -4-3 2-1 63-50 $4k-U- 84-1-A 44-a-LU 4=0 3-6 344-51 7-6-¢,- 94.0- -L1 444-9-4 Spruce-pine-fir SS 5-5 8=6 11-3 14-3 16-6 5-5 8-6 11-0 13-5 15-7 Spnsce-pine-fir #1 5-3 7-8 9-9 11-11 13-10 5-0 7-3 9-2 I1-3 13-0 Spruce-pine-fir #2 5.3 7-8 9-9 11-11 13-10 5-0 7-3 9-2 11-3 13-0 Spruce-pine-fur 0 4-0 5-10 7-4 9-0 10-5 3-9 5-6 1 6-11 8-6 9-10 (Continued) 2003,2006,2009 INTERNATIONAL RESIDENTIAL CODE® 395 ROOF-CEILING CONSTRUCTION APRIL 2013 AMENDMENTS-LEGISLATIVE FORMAT TABLE R802.5.1(8)—continued RAFTER SPANS FOR 70 PSF GROUND SNOW LOAD (Ceiling attached to rafters,6fA=240) DEAD LOAD=10 psf DEAD LORD-20 psf 1 214 2x$ 2x8 2x10 2x12 2 x 4 2x8 2x8 2x10 2x12 RAFTER SPECIES AND SPACING GRADE Maximum rafter spans" (inches) (feet- (feet- (feet- (feet- (feet- (feet- (fleet- (feet- (feet- (feet- Inches) inches) Inches) inches) Inches) Inches) inches) Inches) Inches) inches) Douglas fir-larch SS 5-5 8-7 11-3 13-9 15-11 5-5 8.4 10-7 12-11 15-0 Douglas fir-larch #1 5-0 7-4 9-4 11-5 13-2 4-9 6-11 8-9 10-9 12-5 Douglas fir-larch #2 4-8 6-11 8-9 10-8 12-4 4-5 6-6 8-3 10-0 11-8 Douglas fir-larch #3 3-7 5-2 6-7 8-1 9-4 3-4 4-11 6-3 7-7 8-10 Henn-fu SS 5-2 8-1 10-8 13-6 13-11 5-2 8=1 10-5 12-4 12-4 Henn-fir #1 4-11 7-2 9-1 11-1 12-10 4-7 6-9 8-7 10-6 12-2 Hem-fir #2 4-8 69 8-7 10-6 12-2 4-4 6-5 8-1 9-11 I1-6 Hem-fir #3 3-7 5-2 6-7 8-1 9-4 34 4-11 6-3 7-7 8-10 24 Southern pine SS 5-4 8-5 11-1 14-2 -I7-2-j" 5-4 8-5 11-1 44?- 47 2- 5- Southernpine #1 3-3.50 8-4-1-6 4o-3-2A- 42-r1_i-,� 44-9-D-2 6-44--9 7-IB-7_L 94$-2 44-9-ID-6 -14-4--- Southern pine #2 3-0 44fLi 9-4-LZ +l,+U +a4JLJ 4-94 1 640-.x,.1 9-9-L 40-6-U 42-4 142 Southern pine #3 3-93 &44d-L a t 2 5-3-2-6 404 LAIQ 3-43-1 6-14_2 6-9-5-14 7-14-1-1 9--5-$A Spruce-pine-fir SS 5-0 7-11 10-5 12-9 14-9' 5-0 7-9 9-10 12-0 12-11 Spruce-pine-fir #1 4-8 6-11 8-9 10-8 12-4 4-5 6-6 8-3 10-0 11-8 Spruce-pine-fir #2 4-8 6.11 8-9 10-8 12-4 4-5 6-6 8-3 10-0 11-8 Spruce-pine-fir #3 3-7 5-2 6-7 8-1 9-4 3-4 4-11 6-3 7-7 8-10 Check sources for availability of lumber in lengths greater than 20 feet. For SI:1 inch=25.4 nun,1 foot=304.8 mm,1 pound per square foot=0.0479 kPa. a. The tabulated rafter spans assume that ceiling joists are located at the bottom of the attic space of that some other method of resisting the Outward push of the rafters on the bearing walls,such as rafter ties,is provided at that location.When ceiling joists or rafter ties are located higher in the attic space,the rafter spans shall be multiplied by the factors given below: Hc1HR Rafter Span Adjustment Factor 173 0.67 1/4 0.76 115 0.83 1/6 0.90 1/10 or less 1.00 where: Hc=Height of ceiling joists orrafter ties measured vertically above the top of the rafter support walls. HR=Height of roof ridge measured vertically above the top of the rafter support walls. 396 2003,2006,2009 INTERNATIONAL RESIDENTIAL CODE®