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Height Reduction design for trusses
wl'� MiTek' MiTek USA, Inc. 250 Klug Circle Corona, CA 92880 951-245-9525 Re: J 1097996 Chinook Lumber Inc. The truss drawing(s) referenced below have been prepared by MiTek USA, Inc. under my direct supervision based on the parameters provided by The Truss Company. Pages or sheets covered by this seal: K11287049 thru K11287051 My license renewal date for the state of Washington is May 16, 2023. "ILL & J� WAS �tf A�A- 51398 February 28,2022 Baxter, David IMPORTANT NOTE: The seal on these truss component designs is a certification that the engineer named is licensed in the jurisdiction(s) identified and that the designs comply with ANSI/TPI 1. These designs are based upon parameters shown (e.g., loads, supports, dimensions, shapes and design codes), which were given to MiTek or TRENCO. Any project specific information included is for MiTek's or TRENCO's customers file reference purpose only, and was not taken into account in the preparation of these designs. MiTek or TRENCO has not independently verified the applicability of the design parameters or the designs for any particular building. Before use, the building designer should verify applicability of design parameters and properly incorporate these designs into the overall building design per ANSI/TPI 1, Chapter 2. Job Truss Truss Type Qty Ply Chinook Lumber Inc. K11287050 J1097996 F02R1 Common Girder 1 1 Job Reference (optional) I ne 1 russ l:o., t3unington, WA, U624d S.tou s Jan z0 Luzz MI I eK moustrles, Inc. Mon reo 26 Uy:48:UV ZUZZ rage i I D:KO4zAbsvl L2X2U7nmmZ6fFzu2go-?BrXWmB 1 s8YVQC94voDadiwwFXQR7ALkcRy7yVzgcua 14-8-8 4-0-0 1 7-0-0 1 12-8-8 113-8-$ 19-7-5 22-6-12 25-6-3 1 31-8-8 33-8-8 4-0-0 3-0-0 5-8-8 1-0-0 1-0-0 4-10-13 2-11-7 2-11-7 6-2-5 REPAIR: DEPTH OF TRUSS DECREASED FROM 5-6-0 Scale=1:57.7 TO 4-10-8 to 5-0-8 AS SHOWN. REMOVE SEC- TION OF TRUSS SHOWN DASHED . 200 'I 'I 2.17 F12 0.16 F12 2.08112 8-0-0 7 4x6 = 24"x30" 3.00 12 2-6-0 3-0-0 - 9 3-0-0 4-0-0 30"x66" 10 30 x84" 3 12x12„ 3x4 ; 113x6 9 4x6 % 2 + ++++ + + + o @ + + + + + + ; + 12 + -+ + + + + + + 2324 5x8 Zz 0 1 22 +.� + +++++ +++++++ cV ++++++++ +++++ ++ 13 + + + L6o + + #�' + + + N + + + + + + + + a $ ++++ 14 + + 21 20 19 18 17 25 16 3x4 18"x18" 4x6 11 4x6 = 3xB _ 18"X36" 3x8 11 Special 8x10 MT18HS — 18"x18" Special 7-0-0 13-8-8 22-6-12 31-8-8 7-0-0 6-8-8 8-10-4 9-1-12 INSTALL 2 X 4 DF NO.2 WHERETO El ATTACH 1/2" PLYWOOD OR OSB GUSSET (15/32" RATED SHEATHING 32/16 EXP 1) EACH FACE OF TRUSS WITH (0.131" X 2.5" MIN.) NAILS PER THE FOLLOWING NAIL SCHEDULE: SHOWN- $ AND 2 X 6 DF SS WHERE 2 X 3'S - 2 ROWS, 2 X 4'S - 3 ROWS, 2 X 6'S AND LARGER - 4 ROWS: SPACED @ 4" O.C. SHOWN- @ CUT TO FIT TIGHT. NAILS TO BE DRIVEN FROM BOTH FACES. STAGGER SPACING FROM FRONT TO BACK FACE FOR A NET 2" O.C. SPACING IN EACH COVERED TRUSS MEMBER. USE 2" MEMBER END DISTANCE. Plate Offsets (X,Y)-- [1:0-3-0,0-1-8], [7:0-3-0,0-2-4], [10:0-1-12,0-2-0], [13:0-3-12,0-2-4], [16:Edge,0-3-0], [20:0-2-4,0-1-12] LOADING (psf) SPACING- 2-0-0 CSI. DEFL. in (loc) I/defl Lid TCLL 25.0 Plate Grip DOL 1.15 TC 0.58 Vert(LL) -0.21 17 >999 240 (Roof Snow=25.0) Lumber DOL 1.15 BC 0.73 Vert(CT) -0.34 16-17 >999 180 TCDL 8.0 * Rep Stress Incr NO WB 0.84 Horz(CT) 0.07 16 n/a n/a BCLL 0.0 Code IBC2015/TP12014 Matrix-SH BCDL 7.0 LUMBER- BRACING - TOP CHORD 2x4 DF No.1&Btr *Except* TOP CHORD 3-10: 2x6 DF SS, 3-7,7-10: 2x4 DF No.2 BOT CHORD 2x6 DF SS BOT CHORD WEBS 2x4 DF Stud *Except* WEBS 3-18: 2x4 HF No.2, 1-21,14-16: 2x6 DF SS, 13-16: 2x4 DF No.1&Btr JOINTS REACTIONS. (lb/size) 21=1496/Mechanical, 16=2221/0-5-8 (min. 0-3-10) Max Horz 21=-62(LC 8) Max Uplift 21=-93(LC 10), 16=-231(LC 10) FORCES. (lb) -Max. Comp./Max. Ten. -All forces 250 (lb) or less except when shown. TOP CHORD 1-22=-2668/201, 2-22=-2634/207, 2-3=-2469/181, 10-11=-4827/427, 11-12=-4847/421, 12-23=-4831/411, 23-24=-4834/408, 13-24=-4859/405, 13-14=-1026/90, 1-21=-1424/116, 14-16=-628/111, 3-4=-2309/203, 4-6=-2306/202, 6-8=-2309/203, 8-10=-2313/203, 3-5=-1157/83, 5-7=-1109/89, 7-9=-1102/88, 9-10=-1152/84 BOT CHORD 19-20=-113/2489, 18-19=-113/2489, 17-18=-238/3676, 17-25=-348/4501, 16-25=-348/4501 WEBS 3-20=-437/67, 3-18=-85/1197, 6-18=-312/78, 10-18=-539/313, 10-17=-136/1512, 13-17=-100/305, 1-20=-176/2502, 13-16=-3796/339, 2-20=-346/62 PLATES GRIP MT20 185/148 MT18HS 185/148 Weight: 208 lb FT = 20% Structural wood sheathing directly applied or 2-9-15 oc purlins, except end verticals. Rigid ceiling directly applied or 10-0-0 oc bracing. 1 Row at midpt 13-16 1 Brace at Jt(s): 6 NOTES- 1) Wind: ASCE 7-10; Vult=110mph Vasd=87mph; TCDL=4.2psf; BCDL=4.2psf; h=25ft; B=45ft; L=32ft; eave=4ft; Cat. II; Exp B; Enclosed; MWFRS (directional); cantilever left and right exposed ; end vertical left and right exposed; Lumber DOL=1.60 plate grip DOL=1.60 2) TCLL: ASCE 7-10; Pf=25.0 psf (flat roof snow); Category II; Exp B; Partially Exp.; Ct=1.10 3) Unbalanced snow loads have been considered for this design. 4) This truss has been designed for greater of min roof live load of 20.0 psf or 1.00 times flat roof load of 25.0 psf on overhangs non -concurrent with other live loads. 5) Provide adequate drainage to prevent water ponding. 6) All plates are MT20 plates unless otherwise indicated. 7) The Fabrication Tolerance at joint 18 = 5% 8) Concentrated loads from layout are not present in Load Case(s): #26 3rd Dead + 0.75 Snow (Unbal. Left); #27 4th Dead + 0.75 Snow (Unbal. Left); #28 5th Dead + 0.75 Snow (Unbal. Left); #29 6th Dead + 0.75 Snow (Unbal. Right); #30 7th Dead + 0.75 Snow (Unbal. Right); #31 8th Dead + 0.75 Snow (Unbal. Right); #32 9th Dead + Snow (Unbal. Left); #33 10th Dead + Snow (Unbal. Left); #34 11th Dead + Snow (Unbal. Left); #35 12th Dead + Snow (Unbal. Right); #36 13th Dead + Snow (Unbal. Right); #37 14th Dead + Snow February 28.2022 (Unbal. Right). N A WARNING -Verify design parameters and READ NOTES ON THIS AND INCLUDED MITEK REFERENCE PAGE MII-7473 rev. 5/19/2020 BEFORE USE. Design valid for use only with MITek® connectors. This design is based only upon parameters shown, and is for an individual building component, not a truss system. Before use, the building designer must verify the applicability of design parameters and properly incorporate this design into the overall building design. Bracing indicated is to prevent buckling of individual truss web and/or chord members only. Additional temporary and permanent bracing M iTek" is always required for stability and to prevent collapse with possible personal injury and property damage. For general guidance regarding the fabrication, storage, delivery, erection and bracing of trusses and truss systems, see ANS11TPII Quality Criteria, DSB-89 and SCSI Building Component 250 Klug Circle Safety Information available from Truss Plate Institute, 2670 Crain Highway, Suite 203 Waldorf, MD 20601 Corona, CA 92880 Job Truss Truss Type Qty Ply Chinook Lumber Inc. K11287050 J1097996 F02R1 Common Girder 1 1 Job Reference (optional) the Truss Co., Burlington, WA, 98233 8.530 s Jan 25 2022 MiTek Industries, Inc. Mon Feb 28 09:48:10 2022 Page 2 ID:KO4zAbsvl L2X2U7nmmZ6fFzu2go-TNPvj6CfdSgM2MkHTVkp9wS5?xmgsdbur5ihVxzgcuZ NOTES- 10) " This truss has been designed for a live load of 23.Opsf on the bottom chord in all areas where a rectangle 3-6-0 tall by 2-0-0 wide will fit between the bottom chord and any other members. 11) Refer to girder(s) for truss to truss connections. 12) Provide mechanical connection (by others) of truss to bearing plate capable of withstanding 93 lb uplift at joint 21 and 231 lb uplift at joint 16. 13) Graphical purlin representation does not depict the size or the orientation of the purlin along the top and/or bottom chord. 14) Hanger(s) or other connection device(s) shall be provided sufficient to support concentrated load(s) 751 Ib down and 105 lb up at 22-10-13, and 319 lb down and 59 lb up at 27-8-9 on bottom chord. The design/selection of such connection device(s) is the responsibility of others. 15) In the LOAD CASE(S) section, loads applied to the face of the truss are noted as front (F) or back (B). LOAD CASE(S) 1) Dead + Snow (balanced): Lumber Increase=1.15, Plate Increase=1.15 Uniform Loads (plf) Vert: 1-3=-66, 10-14=-66, 14-15=-66, 16-21=-14, 3-7=-66, 7-10=-66 Concentrated Loads (lb) Vert: 17=-751(F) 25=-319(F) 2) Dead + 0.75 Snow (balanced): Lumber Increase=1.15, Plate Increase=1.15 Uniform Loads (plf) Vert: 1-3=-53, 10-14=-54, 14-15=-53, 16-21=-14, 3-7=-54, 7-10=-53 Concentrated Loads (lb) Vert: 17=-630(F) 25=-267(F) 3) Dead + 0.75 Snow (Unbal. Left): Lumber Increase=1.15, Plate Increase=1.15 Uniform Loads (plf) Vert: 1-3=-65, 10-14=-27, 14-15=-27, 16-21=-14, 3-7=-54, 7-10=-27 Concentrated Loads (lb) Vert: 17=-630(F) 25=-267(F) 4) Dead + 0.75 Snow (Unbal. Right): Lumber Increase=1.15, Plate Increase=1.15 Uniform Loads (plf) Vert: 1-3=-27, 10-23=-62, 14-23=-54, 14-15=-53, 16-21=-14, 3-7=-27, 7-10=-62 Concentrated Loads (lb) Vert: 17=-630(F) 25=-267(F) 5) Dead + Uninhabitable Attic Without Storage: Lumber Increase=1.25, Plate Increase=1.25 Uniform Loads (plf) Vert: 1-3=-16, 10-14=-16, 14-15=-16, 16-21=-34, 3-7=-16, 7-10=-16 Concentrated Loads (lb) Vert: 17=-431(F) 25=-178(F) 6) Dead + 0.6 MWFRS Wind (Pos. Internal) Left: Lumber Increase=1.60, Plate Increase=1.60 Uniform Loads (plf) Vert: 1-3=12, 10-14=6, 14-15=2, 16-21=-8, 3-7=15, 7-10=9 Herz: 1-3=-20, 10-14=14, 14-15=10, 1-21=11, 14-16=13, 3-7=-24, 7-10=18 Concentrated Loads (lb) Vert: 17=100(F) 25=54(F) 7) Dead + 0.6 MWFRS Wind (Pos. Internal) Right: Lumber Increase=1.60, Plate Increase=1.60 Uniform Loads (plf) Vert: 1-3=6, 10-14=12, 14-15=22, 16-21=-8, 3-7=6, 7-10=9 Herz: 1-3=-14, 10-14=20, 14-15=31, 1-21=-13, 14-16=-11, 3-7=-15, 7-10=18 Concentrated Loads (lb) Vert: 17=100(F) 25=54(F) 8) Dead + 0.6 MWFRS Wind (Neg. Internal) Left: Lumber Increase=1.60, Plate Increase=1.60 Uniform Loads (plf) Vert: 1-3=-17, 10-14=-10, 14-15=-6, 16-21=-14, 3-7=-17, 7-10=-17 Herz: 1-3=1, 10-14=6, 14-15=10, 1-21=18, 14-16=5, 3-7=1, 7-10=-1 Concentrated Loads (lb) Vert: 17=105(F) 25=59(F) 9) Dead + 0.6 MWFRS Wind (Neg. Internal) Right: Lumber Increase=1.60, Plate Increase=1.60 Uniform Loads (plf) Vert: 1-3=-10, 10-14=-17, 14-15=-13, 16-21=-14, 3-7=-9, 7-10=-17 Herz: 1-3=-6, 10-14=-1, 14-15=3, 1-21=-5, 14-16=-18, 3-7=-7, 7-10=-1 Concentrated Loads (lb) Vert: 17=105(F) 25=59(F) 10) Dead + 0.6 MWFRS Wind (Pos. Internal) 1st Parallel: Lumber Increase=1.60, Plate Increase=1.60 Uniform Loads (plf) Vert: 1-3=12, 10-14=12, 14-15=23, 16-21=-8, 3-7=12, 7-10=12 Herz: 1-3=-21, 10-14=21, 14-15=31, 1-21=-16, 14-16=16, 3-7=-21, 7-10=21 Concentrated Loads (lb) Vert: 17=100(F) 25=54(F) 11) Dead + 0.6 MWFRS Wind (Pos. Internal) 2nd Parallel: Lumber Increase=1.60, Plate Increase=1.60 Uniform Loads (plf) Vert: 1-3=5, 10-14=5, 14-15=15, 16-21=-8, 3-7=5, 7-10=5 Herz: 1-3=-13, 10-14=13, 14-15=24, 1-21=-16, 14-16=16, 3-7=-13, 7-10=13 Concentrated Loads (lb) Vert: 17=100(F) 25=54(F) 12) Dead + 0.6 MWFRS Wind (Neg. Internal) 1st Parallel: Lumber Increase=1.60, Plate Increase=1.60 Uniform Loads (plf) Vert: 1-3=-17, 10-14=-17, 14-15=-13, 16-21=-14, 3-7=-17, 7-10=-17 Herz: 1-3=1, 10-14=-1, 14-15=3, 1-21=-9, 14-16=9, 3-7=1, 7-10=-1 Concentrated Loads (lb) Vert: 17=105(F) 25=59(F) A WARNING -Verify design parameters and READ NOTES ON THIS AND INCLUDED MITEK REFERENCE PAGE MII-7473 rev. 5/19/2020 BEFORE USE. Design valid for use only with MiTek® connectors. This design is based only upon parameters shown, and is for an individual building component, not a truss system. Before use, the building designer must verify the applicability of design parameters and properly incorporate this design into the overall building design. Bracing indicated is to prevent buckling of individual truss web and/or chord members only. Additional temporary and permanent bracing MiTek" is always required for stability and to prevent collapse with possible personal injury and property damage. For general guidance regarding the fabrication, storage, delivery, erection and bracing of trusses and truss systems, see ANS11TPII Quality Criteria, DSB-89 and SCSI Building Component 250 Klug Circle Safety Information available from Truss Plate Institute, 2670 Crain Highway, Suite 203 Waldorf, MD 20601 Corona, CA 92880 Job Truss Truss Type Qty Ply Chinook Lumber Inc. K11287050 J1097996 F02R1 Common Girder 1 1 Job Reference (optional) the Truss Co., Burlington, WA, 98233 8.530 s Jan 25 2022 MiTek Industries, Inc. Mon Feb 28 09:48:10 2022 Page 3 ID:KO4zAbsvl L2X2U7nmmZ6fFzu2go-TNPvj6CfdSgM2MkHTVkp9wS5?xmgsdbur5ihVxzgcuZ LOAD CASE(S) 13) Dead + 0.6 MWFRS Wind (Neg. Internal) 2nd Parallel: Lumber Increase=1.60, Plate Increase=1.60 Uniform Loads (pit) Vert: 1-3=-17, 10-14=-17, 14-15=-13, 16-21=-14, 3-7=-17, 7-10=-17 Horz: 1-3=1, 10-14=-1, 14-15=3, 1-21=-9, 14-16=9, 3-7=1, 7-10=-1 Concentrated Loads (lb) Vert: 17=105(F) 25=59(F) 14) Dead + Snow on Overhangs: Lumber Increase=1.15, Plate Increase=1.15 Uniform Loads (pit) Vert: 1-3=-16, 10-14=-16, 14-15=-66, 16-21=-14, 3-7=-16, 7-10=-16 Concentrated Loads (lb) Vert: 17=-268(F) 25=-111(F) 15) Dead + Snow (Unbal. Left): Lumber Increase=1.15, Plate Increase=1.15 Uniform Loads (pit) Vert: 1-3=-82, 10-14=-31, 14-15=-31, 16-21=-14, 3-7=-66, 7-10=-31 Concentrated Loads (lb) Vert: 17=-751(F) 25=-319(F) 16) Dead + Snow (Unbal. Right): Lumber Increase=1.15, Plate Increase=1.15 Uniform Loads (pit) Vert: 1-3=-31, 10-23=-78, 14-23=-66, 14-15=-66, 16-21=-14, 3-7=-31, 7-10=-78 Concentrated Loads (lb) Vert: 17=-751(F) 25=-319(F) 17) Dead: Lumber Increase=0.90, Plate Increase=0.90 Pit. metal=0.90 Uniform Loads (pit) Vert: 1-3=-16, 10-14=-16, 14-15=-16, 16-21=-14, 3-7=-16, 7-10=-16 Concentrated Loads (lb) Vert: 17=-268(F) 25=-111(F) 18) Dead + 0.75 Snow (bal.) + 0.75(0.6 MWFRS Wind (Neg. Int) Left): Lumber Increase=1.60, Plate Increase=1.60 Uniform Loads (pit) Vert: 1-3=-54, 10-14=49, 14-15=46, 16-21=-14, 3-7=-54, 7-10=-54 Horz: 1-3=0, 10-14=5, 14-15=8, 1-21=14, 14-16=4, 3-7=0, 7-10=-0 Concentrated Loads (lb) Vert: 17=43(F) 25=30(F) 19) Dead + 0.75 Snow (bal.) + 0.75(0.6 MWFRS Wind (Neg. Int) Right): Lumber Increase=1.60, Plate Increase=1.60 Uniform Loads (pit) Vert: 1-3=49, 10-14=-54, 14-15=-51, 16-21=-14, 3-7=48, 7-10=-54 Horz: 1-3=-5, 10-14=-0, 14-15=2, 1-21=4 14-16=-14, 3-7=-5, 7-10=-0 Concentrated Loads (lb) Vert: 17=43(F) 25=30(F) 20) Dead + 0.75 Snow (bal.) + 0.75(0.6 MWFRS Wind (Neg. Int) 1st Parallel): Lumber Increase=1.60, Plate Increase=1.60 Uniform Loads (pit) Vert: 1-3=-54, 10-14=-54, 14-15=-51, 16-21=-14, 3-7=-54, 7-10=-54 Horz: 1-3=0, 10-14=-0, 14-15=2, 1-21=-7, 14-16=7, 3-7=0, 7-10=-0 Concentrated Loads (lb) Vert: 17=43(F) 25=30(F) 21) Dead + 0.75 Snow (bal.) + 0.75(0.6 MWFRS Wind (Neg. Int) 2nd Parallel): Lumber Increase=1.60, Plate Increase=1.60 Uniform Loads (pit) Vert: 1-3=-54, 10-14=-54, 14-15=-51, 16-21=-14, 3-7=-54, 7-10=-54 Horz: 1-3=0, 10-14=-0, 14-15=2, 1-21=-7, 14-16=7, 3-7=0, 7-10=-0 Concentrated Loads (lb) Vert: 17=43(F) 25=30(F) 22) Dead + Minimum Snow: Lumber Increase=1.15, Plate Increase=1.15 Uniform Loads (pit) Vert: 1-3=-56, 10-14=-56, 14-15=-56, 16-21=-14, 3-7=-56, 7-10=-56 Concentrated Loads (lb) Vert: 17=-751(F) 25=-319(F) 23) 3rd Dead + 0.75 Snow (Unbal. Left): Lumber Increase=1.15, Plate Increase=1.15 Uniform Loads (pit) Vert: 1-22=-53, 3-22=-56, 10-14=-27, 14-15=-27, 16-21=-14, 3-7=-27, 7-10=-60 24) 4th Dead + 0.75 Snow (Unbal. Left): Lumber Increase=1.15, Plate Increase=1.15 Uniform Loads (pit) Vert: 1-3=-27, 10-14=-27, 14-15=-27, 16-21=-14, 3-7=-71, 7-10=-27 25) 5th Dead + 0.75 Snow (Unbal. Left): Lumber Increase=1.15, Plate Increase=1.15 Uniform Loads (pit) Vert: 1-3=-62, 10-14=-27, 14-15=-27, 16-21=-14, 3-7=-27, 7-10=-27 26) 6th Dead + 0.75 Snow (Unbal. Right): Lumber Increase=1.15, Plate Increase=1.15 Uniform Loads (pit) Vert: 1-3=-27, 10-24=-56, 14-24=-54, 14-15=-53, 16-21=-14, 3-7=-57, 7-10=-27 27) 7th Dead + 0.75 Snow (Unbal. Right): Lumber Increase=1.15, Plate Increase=1.15 Uniform Loads (pit) Vert: 1-3=-27, 10-14=-27, 14-15=-27, 16-21=-14, 3-7=-27, 7-10=-66 28) 8th Dead + 0.75 Snow (Unbal. Right): Lumber Increase=1.15, Plate Increase=1.15 Uniform Loads (pit) Vert: 1-3=-27, 10-14=-61, 14-15=-61, 16-21=-14, 3-7=-27, 7-10=-27 29) 9th Dead + Snow (Unbal. Left): Lumber Increase=1.15, Plate Increase=1.15 Uniform Loads (pit) Vert: 1-22=-66, 3-22=-69, 10-14=-31, 14-15=-31, 16-21=-14, 3-7=-31, 7-10=-75 A WARNING -Verify design parameters and READ NOTES ON THIS AND INCLUDED MITEK REFERENCE PAGE MII-7473 rev. 5/19/2020 BEFORE USE. Design valid for use only with MiTek® connectors. This design is based only upon parameters shown, and is for an individual building component, not a truss system. Before use, the building designer must verify the applicability of design parameters and properly incorporate this design into the overall building design. Bracing indicated is to prevent buckling of individual truss web and/or chord members only. Additional temporary and permanent bracing MiTek" is always required for stability and to prevent collapse with possible personal injury and property damage. For general guidance regarding the fabrication, storage, delivery, erection and bracing of trusses and truss systems, see ANS11TPII Quality Criteria, DSB-89 and SCSI Building Component 250 Klug Circle Safety Information available from Truss Plate Institute, 2670 Crain Highway, Suite 203 Waldorf, MD 20601 Corona, CA 92880 Job Truss Truss Type Qty Ply Chinook Lumber Inc. K11287050 J1097996 F02R1 Common Girder 1 1 Job Reference (optional) the Truss Co., Burlington, WA, 98233 LOAD CASE(S) 30) 10th Dead + Snow (Unbal. Left): Lumber Increase=1.15, Plate Increase=1.15 Uniform Loads (plf) Vert: 1-3=-31, 10-14=-31, 14-15=-31, 16-21=-14, 3-7=-89, 7-10=-31 31) 11th Dead + Snow (Unbal. Left): Lumber Increase=1.15, Plate Increase=1.15 Uniform Loads (plf) Vert: 1-3=-78, 10-14=-31, 14-15=-31, 16-21=-14, 3-7=-31, 7-10=-31 32) 12th Dead + Snow (Unbal. Right): Lumber Increase=1.15, Plate Increase=1.15 Uniform Loads (plf) Vert: 1-3=-31, 10-24=-69, 14-24=-66, 14-15=-66, 16-21=-14, 3-7=-70, 7-10=-31 33) 13th Dead + Snow (Unbal. Right): Lumber Increase=1.15, Plate Increase=1.15 Uniform Loads (plf) Vert: 1-3=-31, 10-14=-31, 14-15=-31, 16-21=-14, 3-7=-31, 7-10=-83 34) 14th Dead + Snow (Unbal. Right): Lumber Increase=1.15, Plate Increase=1.15 Uniform Loads (plf) Vert: 1-3=-31, 10-14=-76, 14-15=-76, 16-21=-14, 3-7=-31, 7-10=-31 8.530 s Jan 25 2022 MiTek Industries, Inc. Mon Feb 28 09:48:10 2022 Page 4 ID:KO4zAbsvl L2X2U7nmmZ6fFzu2go-TNPvj6CfdSgM2MkHTVkp9wS5?xmgsdbur5ihVxzgcuZ A WARNING -Verify design parameters and READ NOTES ON THIS AND INCLUDED MITEK REFERENCE PAGE MII-7473 rev. 5/19/2020 BEFORE USE. Design valid for use only with MiTek® connectors. This design is based only upon parameters shown, and is for an individual building component, not a truss system. Before use, the building designer must verify the applicability of design parameters and properly incorporate this design into the overall building design. Bracing indicated is to prevent buckling of individual truss web and/or chord members only. Additional temporary and permanent bracing MiTek" is always required for stability and to prevent collapse with possible personal injury and property damage. For general guidance regarding the fabrication, storage, delivery, erection and bracing of trusses and truss systems, see ANS11TPII Quality Criteria, DSB-89 and SCSI Building Component 250 Klug Circle Safety Information available from Truss Plate Institute, 2670 Crain Highway, Suite 203 Waldorf, MD 20601 Corona, CA 92880 Symbols Numbering System General Safety Notes PLATE LOCATION AND ORIENTATION 3/4" Center plate on joint unless x, y offsets are indicated. 6-4-8 dimensions shown in ft-in-sixteenths (Drawings not to scale) 1 Failure to Follow Could Cause Property Damage or Personal Injury Dimensions are in ft-in-sixteenths. 1. Additional stability bracing for truss system, e.g. Apply plates to both sides of truss 1 2 3 diagonal or X-bracing, is always required. See BCSI. and fully embed teeth. TOP CHORDS 2. Truss bracing must be designed by an engineer. For 1 0 - / c1-2 c2-3 wide truss spacing, individual lateral braces themselves bracing, Tor I 16�� 4 may require or alternative WEBS csv bracing should be considered. p1 � 3. Never exceed the design loading shown and never 7-�� O U stack materials on inadequately braced trusses. �b6 U 0 4. Provide copies of this truss design to the building pdesigner, erection supervisor, property owner and For 4 x 2 orientation, locate C7-3 C6-7 C5-6 H all other interested parties. plates 0- 'l+6' from outside P BOTTOM CHORDS 5. Cut members to bear tightly against each other. edge of truss. 8 7 6 5 6. Place plates on each face of truss at each joint and embed fully. Knots and wane at joint This symbol indicates the JOINTS ARE GENERALLY NUMBERED/LETTERED CLOCKWISE locations are regulated by ANSI/TPI 1. required direction of slots In AROUND THE TRUSS STARTING AT THE JOINT FARTHEST TO 7. Design assumes trusses will be suitably protected from connector plates. THE LEFT. the environment in accord with ANSI/TPI 1. Plate location details available in MiTek 20/20 CHORDS AND WEBS ARE IDENTIFIED BY END JOINT 8. Unless otherwise noted, moisture content of lumber software or upon request. NUMBERS/LETTERS. shall not exceed 19% at time of fabrication. 9. Unless expressly noted, this design is not applicable for PLATE SIZE PRODUCT CODE APPROVALS use with fire retardant, preservative treated, or green lumber. ICC-ES Reports: 10. Camber is a non-structural consideration and is the The first dimension is the plate responsibility of truss fabricator. General practice is to 4 x 4 width measured perpendicular ESR-1311, ESR-1352, ESR1988 camber for dead load deflection. to slots. Second dimension is ER-3907, ESR-2362, ESR-1397, ESR-3282 11. Plate type, size, orientation and location dimensions the length parallel to slots. indicated are minimum plating requirements. LATERAL BRACING LOCATION 12. Lumber used shall be of the species and size, and in all respects, equal to or better than that specified. Indicated by symbol shown and/or by text in the bracing section of the Trusses are designed for wind loads in the plane of the truss unless otherwise shown. 13. Top chords must be sheathed or purlins provided at spacing indicated on design. output. Use T or I bracing if indicated. Lumber design values are in accordance with ANSI/TPI 1 14. Bottom chords require lateral bracing at 10 ft. spacing, or less, if no ceiling is installed, unless otherwise noted. section 6.3 These truss designs rely on lumber values BEARING established by others. 15. Connections not shown are the responsibility of others. 16. Do not cut or alter truss member or plate without prior Indicates location where bearings approval of an engineer. (supports) occur. Icons vary but reaction section indicates joint © 2012 MiTek® All Rights Reserved 17. Install and load vertically unless indicated otherwise. _ _ number where bearings occur. Min size shown is for crushing only. 18. Use of green or treated lumber may pose unacceptable environmental, health or performance risks. Consult with project engineer before use. Industry Standards: IV: 19. Review all portions of this design (front, back, words ANSI/TPI1: National Desi n Specification for Metal 9 p and pictures) before use. Reviewing pictures alone is not sufficient. Plate Connected Wood Truss Construction. DSB-89: Design Standard for Bracing. 20. Design assumes manufacture in accordance with BCSI: Building Component Safety Information, MiTek" ANSI/TPI 1 Quality Criteria. Guide to Good Practice for Handling, 21.The design does not take into account any dynamic Installing & Bracing of Metal Plate or other loads other than those expressly stated. Connected Wood Trusses. MiTek Engineering Reference Sheet: MII-7473 rev. 5/19/2020