Download - Technical section
Member Force (K) Sense Length (ft.) Area (p/fall) (sq. in)
Size
Nominal Diameter
b-1 35.5 C 8.5 N/A 4
c-3 29 C 8.5 N/A 3.5
2-3 5.5 C 7.5 N/A 1.9
d-5 21.5 C 8.5 N/A 3
4-5 8 C 8.5 N/A 2.5
e-6 21.5 C 8.5 N/A 3
6-7 8 C 8.5 N/A 2,5
f-8 29 C 8.5 N/A 3.5
8-9 5.5 C 7.5 N/A 1.9
g-10 35.5 C 8.5 N/A 4
I-1 31 T 7.5 1.3 1 1/2
I-2 31 T 7.5 1.3 1 1/2
3-4 2.5 T 6 0.4 1/2
I-4 25.5 T 7.5 1.2 1 1/2
5-6 16.5 T 9 0.7 1
I-7 25.5 T 7.5 1.2 1 1/2
7-8 2.5 T 6 0.4 1/2
I-9 31 T 7.5 1.3 1 1/2
I-10 31 T 7.5 1.3 1 1/2
1-2 Zero
9-10 Zero
Interior Truss Diagram
Max compression member Size
L= 8,5 ft round to 9 ft.
Cmax = 35.5 k round to 36 k
Fy = 42 ksiNominal outside diamter 4.00 in (see table)
Max tension member size
Tmax = 31 k Ft = 22 ksi Steel RodAreq = 31k = 1.4 in 2 22k/in2
d = 4(1.4 in2) = 1.3 in Use 1 1/2 in diameter rod Pi
Member Force (K) Sense Length (ft.) Area (p/fall) (sq. in)
Size
Nominal Diameter
b-1 17.75 C 8.5 N/A 3c-3 14.5 C 8.5 N/A 32-3 2.75 C 7.5 N/A 1.9d-5 10.75 C 8.5 N/A 2.54-5 4 C 8.5 N/A 1.9e-6 10.75 C 8.5 N/A 2.56-7 4 C 8.5 N/A 1.9f-8 14.5 C 8.5 N/A 3
8-9 2.75 C 7.5 N/A 1.9
g-10 17.75 C 8.5 N/A 3
I-1 15.5 T 7.5 0.94 1
I-2 15.5 T 7.5 0.94 1
3-4 1.25 T 6 0.26 1/2
I-4 12.75 T 7.5 0.85 1
5-6 8.25 T 9 0.69 1
I-7 12.75 T 7.5 0.26 1/2
7-8 1.25 T 6 0.89 1
I-9 15.5 T 7.5 0.94 1
I-10 15.5 T 7.5 0.94 1
1-2 Zero
9-10 Zero
Exterior Truss Diagram
Max compression member Size
L= 8,5 ft round to 9 ft.
Cmax = 17.75 k round to 18 k
Fy = 42 ksiNominal outside diamter 3.00 in (see table)
Max tension member size
Tmax = 15.5 k Ft = 22 ksi Steel RodAreq = 15.5 k = .70 in 2 22k/in2
d = 4(.70 in2) = .94 in Use 1 in diameter rod Pi