Job Truss Truss Type Qty Ply 1 2 3 5 6 Reading a MiTek Shop Drawing 1234 SHOP1 CATHEDRAL 1 4 1 1 Job name 7.500 s Nov 26 2013 MiTek Industries, Inc. Mon Apr 07 08:50:23 2014 Page 1 2 Truss label 8a 7 3 Truss type 4-0-0 5-0-0 12-0-0 19-0-0 25-0-14 31-1-11 38-0-0 40-0-0 4-0-0 1-0-0 7-0-0 7-0-0 6-0-14 6-0-14 6-10-5 2-0-0 4 Truss quantity 8b 5 Number of plies Scale = 1:67.1 5x6 9 6 Job description 6 7 Software version 10 11 7.14 12 8a Cumulated dimensions of top chord – panel lengths are added together along the top chord of truss 21 8.00 12 20 8b Panel lengths of the top chord – each section represents the horizontal distance between the centerline of two T4 3x4 consecutive panel points along the top chord W7 7 3x5 9 Drawing scale of the truss 12 13 5 T3 – inches of vertical rise for each 12 inches of horizontal run W8 3x6 10 Top chord slope W6 8 11 Top chord member label – identification label used to distinguish pieces 11-7-15 B4 1.5x4 B3 15 W9 3x6 15 14 9 12 Truss height – the height of the truss from the top of the bearing to the top of the top chord (trusses with multiple W5 7x8 13 levels of top chord will have multiple truss height dimensions) 3x7 4 W10 4.00 12 16 4x6 5x5 13 Plate size and orientation – plate size in inches and the two lines denote the direction of the plate 3x6 4.33 12 3 T2 12 B5 6-8-0 2 4.00 12 T5 W4 B2 17 3x4 22 14 Continuous lateral bracing location W3 3x9 1 T1 W1W2 10 15 Web member label B1 0-3-15 11 16 Heel height – the height from the top of the bearing to the top of the top chord at the outside edge of the bearing 3x5 17 19 18 18 3x10 1.5x4 5x7 17 Bottom chord slope – inches of vertical rise for each 12 inches of horizontal run 16 18 Bearing – a structural support, usually a wall or beam that is designated to carry the truss reaction loads to the 19a 5-0-0 foundation 4-0-0 4-8-8 12-0-0 22-0-0 29-7-4 38-0-0 4-0-0 0-8-8 7-0-0 10-0-0 7-7-4 8-4-12 19a Cumulated dimensions of bottom chord – panel lengths are added together along the bottom chord 19b 0-3-8 19b Panel lengths of the bottom chord – each section represents the horizontal distance between the centerline of two Overall Truss Height: 12-10-0 20 consecutive panel points along the bottom chord Plate Offsets (X, Y): [6:0-3-7,0-2-8], [10:0-1-2,0-0-5], [13:0-3-0,0-0-0], [17:0-2-12,0-1-3], [18:0-5-4,0-2-3] 20 Plate offsets (X, Y) – section lists any horizontal and/or vertical plate offsets (in inches) and the location they occur – rake distance from the bottom outside edge of the bottom chord to the highest point of the top chord Heel to Peak: Left: 4-4-0, Right: 22-3-8 Overhang Rake Distance: Left: 0-0-0, Right: 2-3-15 21 Heel to peak 21 22 23 at the first top chord pitch break Qty: 1 Span: 38-0-0 Slope: 4.00/12, 4.00/12 Overhang: 0-0-0, 2-0-0 Loading: 20.0-10.0-0.0-10.0 Spacing: 2-0-0 o.c. Camber: 3/4 in Weight: 193 lb Board Feet: 96.67 bft Specified camber may not be appropriate for this truss. Last saved: February 4 , 2014 22 Rake overhang length – feet-inches-sixteenths 24 –––=== CHORDS ===––– (Sq Cut = 90) 25 26 23 Information bar – contains information about the following: PIECE T5 PIECE: B1 PIECE W2 90.0 59.3 90.0 18.4 34.8 • Qty: quantity of trusses (1) 2x4 (1) 2x4 88.9 (1) 2x4 No.1 SP - 14’ No.2 SP - 5’ 90.0 34.8 No.3 SP - 2’ 55.2 • Span: truss span feet-inches-sixteenths OL: 12-7-5 CL: 12-6-4 LS: 12-7-5 OL: 5-0-0 CL: 4-7-8 LS: 5-0-0 PL: 5-0-0 OL: 1-2-14 CL: 1-2-14 LS: 1-0-6 PIECE B5 0-9-12 PIECE W9 • Slope: top chord slope, bottom chord slope 90.0 10.9 45.4 13.9 (1) 2x4 70.2 SCARF: 0-10-4 0-3-4 (1) 2x4 No.1 SP - 16’ No.3 SP - 8’ • Overhang: length of left and right overhang in horizontal dimension feet-inches-sixteenths, 19.8 0-0-4 24.8 45.4 OL: 14-0-15 CL: 13-11-2 LS: 13-9-10 PL: 14-1-6 OL: 6-4-8 CL: 6-4-8 LS: 5-11-0 • Loading: design loading (PSF – pound per square foot) top chord live load - top chord dead load – bottom chord TS: 13-2-1 0-10-13 –––==== WEBS ====––– (Sq Cut = 90) PIECE W6 SCARF: 0-11-0 0-2-1 PIECE W7 55.9 38.5 live load - bottom chord dead load BUTT: 0-0-4 30.0 29.3 (1) 2x4 SEAT: 0-3-8 0-1-3 (1) 2x4 23.2 No.3 SP - 10’ 85.2 • Spacing: the on-center distance between trusses feet-inches-sixteenths SS: 13-9-10 0-3-5 29.3 No.2 SP - 8’ 79.1 OL: 9-8-15 CL: 9-8-15 LS: 9-5-9 OL: 6-1-9 CL: 6-1-9 LS: 5-10-2 PIECE W4 • Camber: upward curvature built into the truss to counteract dead load deflections, inches 28.6 90.0 71.6 PIECE W5 95.1 (1) 2x4 2x4 56.3 No.2 SP (1) 2x4 13.3 No.3 SP - 8’ 95.1 • Weight: overall weight of lumber for an individual truss in pounds, (1) B2 OL: 12-0-0 CL: 11-11-7 LS: 12-0-0 No.3 SP - 5’ 71.6 OL: 6-10-14 CL: 6-10-9 LS: 6-7-8 (1) B3 OL: 6-0-3 CL: 5-11-10 LS: 6-0-3 OL: 4-1-13 CL: 4-0-1 LS: 4-0-10 • Board feet: overall length of board feet for an individual truss multiplied by the quantity of trusses, in feet PIECE B4 PIECE W3 90.0 70.2 56.3 90.0 • Last saved: design completion date (1) 2x4 (1) 2x4 No.2 SP - 3’ No.3 SP - 2’ 27 28 24 Piece – Label of truss member OL: 3-0-0 CL: 2-11-6 LS: 3-0-0 OL: 1-8-4 CL: 1-7-1 LS: 1-8-4 PIECE T4 PIECE W1 25 Chords/Webs/Others – Saw Angulation (defines how angles are measured based on square cut) 90.0 59.3 90.0 (1) 2x4 71.6 (1) 2x4 26 Lumber information – (quantity) lumber size/lumber grade and species – board length to use No.2 SP - 12’ No.3 SP - 2’ OL: 12-0-0 CL: 11-10-15 LS: 12-0-0 OL: 1-0-12 CL: 1-0-3 LS: 1-0-12 – overall length of pieces: feet-inches-sixteenths ® 27 OL PIECE W10 90.0 56.3 60.2 60.5 CL – centerline length (length along the centerline of a piece: feet-inches-sixteenths 2x4 (1) 2x4 No.3 SP - 2’ No.2 SP 49.3 LS – long side (length of the longest side) PLUMB LENGTH (1) T3 OL: 15-2-10 CL: 15-1-3 LS: 15-2-10 OL: 1-10-3 CL: 1-9-3 LS: 1-8-11 (1) T2 OL: 3-0-0 CL: 2-10-14 LS: 3-0-0 PIECE W8 PL – plumb length: feet-inches-sixteenths OVERALL LENGTH 87.0 63.0 PIECE T1 (1) 2x4 SCARF 71.6 SCARF – feet-inches-sixteenths (1) 2x4 52.1 No.3 SP - 4’ 57.7 71.6 No.2 SP - 5’ OL: 3-4-10 CL: 3-4-10 LS: 3-3-11 28 Angle cut information in degrees OL: 4-3-12 CL: 4-2-10 LS: 4-2-10 LONG SIDE CENTER LINE LENGTH www.mitek-us.com Tech Support 1-866-MITEK-TS (1-866-648-3587) FAX 314-434-5343 Online Training Registration http://www.mitek-us.com/MiTek.