Roof Uplift Along Top of Wall (plf) | Uplift Rod Run Spacing (in.) | Double 2x4 SYP No.2 Top Plates | |||||||||
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Unreinforced Top Plate Splices | Reinforced Top Plate Splices Learn More | ||||||||||
URS Model | Maximum Chord / Drag Strut Load (lbs) | URS Model | Maximum Chord / Drag Strut Load (lbs) | ||||||||
URS3 | URS4 | URS5 | URS6 | URS3 | URS4 | URS5 | URS6 | ||||
Maximum Length of URS Uplift Rod Run (feet) [System Deflection, Δ (inches)] | Maximum Length of URS Uplift Rod Run (feet) [System Deflection, Δ (inches)] | ||||||||||
100 | 24 | 65 [0.139] | 65 [0.102] | 65 [0.09] | 65 [0.086] | 3,449 | 65 [0.132] | 65 [0.095] | 65 [0.083] | 65 [0.08] | 7,702 |
30 | 65 [0.177] | 65 [0.132] | 65 [0.117] | 65 [0.111] | 2,997 | 65 [0.16] | 65 [0.115] | 65 [0.1] | 65 [0.094] | 7,250 | |
36 | 65 [0.231] | 65 [0.179] | 65 [0.16] | 65 [0.151] | 2,445 | 65 [0.196] | 65 [0.144] | 65 [0.125] | 65 [0.116] | 6,698 | |
40 | 48 [0.25] | 65 [0.222] | 65 [0.201] | 65 [0.191] | 2,021 | 65 [0.226] | 65 [0.169] | 65 [0.147] | 65 [0.138] | 6,274 | |
42 | 33 [0.249] | 65 [0.249] | 65 [0.226] | 65 [0.216] | 1,792 | 65 [0.244] | 65 [0.184] | 65 [0.161] | 65 [0.151] | 6,045 | |
48 | NP | NP | NP | NP | - | 37 [0.248] | 65 [0.24] | 65 [0.214] | 65 [0.201] | 5,292 | |
60 | NP | NP | NP | NP | - | NP | NP | NP | NP | - | |
72 | NP | NP | NP | NP | - | NP | NP | NP | NP | - | |
200 | 24 | 65 [0.225] | 65 [0.157] | 65 [0.131] | 65 [0.118] | 2,646 | 65 [0.211] | 65 [0.143] | 65 [0.117] | 65 [0.104] | 6,898 |
30 | 45 [0.248] | 65 [0.217] | 65 [0.184] | 65 [0.167] | 1,742 | 58 [0.248] | 65 [0.183] | 65 [0.15] | 65 [0.133] | 5,995 | |
36 | 14 [0.247] | 31 [0.25] | 47 [0.25] | 65 [0.248] | 638 | 37 [0.25] | 65 [0.239] | 65 [0.199] | 65 [0.178] | 4,890 | |
40 | NP | NP | NP | NP | - | 22 [0.248] | 44 [0.249] | 65 [0.245] | 65 [0.22] | 4,042 | |
42 | NP | NP | NP | NP | - | 15 [0.249] | 31 [0.25] | 47 [0.249] | 65 [0.246] | 3,585 | |
48 | NP | NP | NP | NP | - | NP | NP | NP | NP | - | |
60 | NP | NP | NP | NP | - | NP | NP | NP | NP | - | |
72 | NP | NP | NP | NP | - | NP | NP | NP | NP | - | |
300 | 24 | 45 [0.247] | 65 [0.211] | 65 [0.171] | 65 [0.149] | 1,843 | 52 [0.248] | 65 [0.19] | 65 [0.15] | 65 [0.129] | 6,095 |
30 | 21 [0.249] | 41 [0.249] | 64 [0.249] | 65 [0.222] | 487 | 33 [0.246] | 64 [0.248] | 65 [0.2] | 65 [0.172] | 4,740 | |
36 | NP | NP | NP | NP | - | 16 [0.248] | 32 [0.248] | 50 [0.249] | 65 [0.239] | 3,083 | |
40 | NP | NP | NP | NP | - | NP | NP | 14 [0.249] | 22 [0.25] | 1,811 | |
42 | NP | NP | NP | NP | - | NP | NP | NP | NP | - | |
48 | NP | NP | NP | NP | - | NP | NP | NP | NP | - | |
60 | NP | NP | NP | NP | - | NP | NP | NP | NP | - | |
72 | NP | NP | NP | NP | - | NP | NP | NP | NP | - | |
400 | 24 | 30 [0.248] | 58 [0.249] | 65 [0.211] | 65 [0.181] | 1,039 | 37 [0.25] | 65 [0.237] | 65 [0.183] | 65 [0.153] | 5,292 |
30 | NP | NP | NP | NP | - | 21 [0.247] | 41 [0.248] | 65 [0.25] | 65 [0.211] | 3,484 | |
36 | NP | NP | NP | NP | - | NP | 13 [0.249] | 20 [0.25] | 30 [0.249] | 1,275 | |
40 | NP | NP | NP | NP | - | NP | NP | NP | NP | - | |
42 | NP | NP | NP | NP | - | NP | NP | NP | NP | - | |
48 | NP | NP | NP | NP | - | NP | NP | NP | NP | - | |
60 | NP | NP | NP | NP | - | NP | NP | NP | NP | - | |
72 | NP | NP | NP | NP | - | NP | NP | NP | NP | - | |
500 | 24 | 21 [0.249] | 41 [0.249] | 64 [0.25] | 65 [0.212] | 236 | 27 [0.246] | 53 [0.25] | 65 [0.217] | 65 [0.178] | 4,488 |
30 | NP | NP | NP | NP | - | 14 [0.249] | 27 [0.247] | 43 [0.249] | 65 [0.249] | 2,229 | |
36 | NP | NP | NP | NP | - | NP | NP | NP | NP | - | |
40 | NP | NP | NP | NP | - | NP | NP | NP | NP | - | |
42 | NP | NP | NP | NP | - | NP | NP | NP | NP | - | |
48 | NP | NP | NP | NP | - | NP | NP | NP | NP | - | |
60 | NP | NP | NP | NP | - | NP | NP | NP | NP | - | |
72 | NP | NP | NP | NP | - | NP | NP | NP | NP | - | |
600 | 24 | NP | NP | NP | NP | - | 21 [0.246] | 41 [0.248] | 64 [0.248] | 65 [0.202] | 3,685 |
30 | NP | NP | NP | NP | - | NP | 18 [0.247] | 28 [0.248] | 44 [0.249] | 974 | |
36 | NP | NP | NP | NP | - | NP | NP | NP | NP | - | |
40 | NP | NP | NP | NP | - | NP | NP | NP | NP | - | |
42 | NP | NP | NP | NP | - | NP | NP | NP | NP | - | |
48 | NP | NP | NP | NP | - | NP | NP | NP | NP | - | |
60 | NP | NP | NP | NP | - | NP | NP | NP | NP | - | |
72 | NP | NP | NP | NP | - | NP | NP | NP | NP | - |