URS Load Tables
Maximum Lengths of URS Uplift Rod Runs and Maximum Chord/Drag Strut Loads (ATUD Deflection included) Double 2x4 SPF No.2 Top Plates
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ATUD
Roof Uplift Along Top of Wall (plf) | Uplift Rod Run Spacing (in.) | Double 2x4 SPF No.2 Top Plates | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
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 [0.087] | 65 [0.056] | 65 [0.042] | 65 [0.036] | 3,579 | 65 [0.08] | 65 [0.049] | 65 [0.035] | 65 [0.029] | 7,832 |
30 | 65 [0.125] | 65 [0.086] | 65 [0.069] | 65 [0.06] | 3,201 | 65 [0.108] | 65 [0.069] | 65 [0.052] | 65 [0.044] | 7,453 | |
36 | 65 [0.179] | 65 [0.133] | 65 [0.112] | 65 [0.101] | 2,738 | 65 [0.144] | 65 [0.098] | 65 [0.077] | 65 [0.066] | 6,990 | |
40 | 65 [0.228] | 65 [0.176] | 65 [0.153] | 65 [0.141] | 2,382 | 65 [0.175] | 65 [0.123] | 65 [0.1] | 65 [0.088] | 6,635 | |
42 | 61 [0.25] | 65 [0.203] | 65 [0.178] | 65 [0.166] | 2,191 | 65 [0.192] | 65 [0.138] | 65 [0.113] | 65 [0.101] | 6,443 | |
48 | NP | NP | NP | NP | - | 62 [0.25] | 65 [0.194] | 65 [0.166] | 65 [0.151] | 5,812 | |
60 | NP | NP | NP | NP | - | NP | NP | NP | NP | - | |
72 | NP | NP | NP | NP | - | NP | NP | NP | NP | - | |
200 | 24 | 65 [0.173] | 65 [0.111] | 65 [0.083] | 65 [0.068] | 2,906 | 65 [0.159] | 65 [0.097] | 65 [0.069] | 65 [0.054] | 7,159 |
30 | 65 [0.249] | 65 [0.171] | 65 [0.136] | 65 [0.117] | 2,149 | 65 [0.215] | 65 [0.138] | 65 [0.103] | 65 [0.083] | 6,401 | |
36 | 31 [0.249] | 56 [0.249] | 65 [0.223] | 65 [0.199] | 1,223 | 53 [0.249] | 65 [0.194] | 65 [0.152] | 65 [0.128] | 5,475 | |
40 | NP | NP | NP | NP | - | 37 [0.249] | 65 [0.245] | 65 [0.198] | 65 [0.171] | 4,765 | |
42 | NP | NP | NP | NP | - | 29 [0.249] | 52 [0.248] | 65 [0.226] | 65 [0.197] | 4,381 | |
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 | 56 [0.23] | 65 [0.166] | 65 [0.124] | 65 [0.1] | 2,233 | 56 [0.209] | 65 [0.145] | 65 [0.103] | 65 [0.079] | 6,485 |
30 | 34 [0.249] | 62 [0.25] | 65 [0.204] | 65 [0.173] | 1,097 | 45 [0.242] | 65 [0.206] | 65 [0.153] | 65 [0.123] | 5,349 | |
36 | NP | NP | NP | NP | - | 27 [0.249] | 49 [0.249] | 65 [0.228] | 65 [0.191] | 3,961 | |
40 | NP | NP | NP | NP | - | 13 [0.246] | 24 [0.247] | 39 [0.249] | 61 [0.25] | 2,895 | |
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 | 42 [0.247] | 65 [0.221] | 65 [0.165] | 65 [0.132] | 1,560 | 42 [0.219] | 65 [0.193] | 65 [0.137] | 65 [0.104] | 5,812 |
30 | NP | NP | NP | NP | - | 31 [0.249] | 56 [0.248] | 65 [0.204] | 65 [0.162] | 4,297 | |
36 | NP | NP | NP | NP | - | 14 [0.249] | 25 [0.248] | 40 [0.249] | 63 [0.25] | 2,446 | |
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 | 30 [0.245] | 56 [0.249] | 65 [0.206] | 65 [0.164] | 886 | 33 [0.226] | 61 [0.229] | 65 [0.171] | 65 [0.129] | 5,139 |
30 | NP | NP | NP | NP | - | 21 [0.244] | 39 [0.248] | 62 [0.248] | 65 [0.202] | 3,245 | |
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 | 23 [0.249] | 41 [0.247] | 65 [0.247] | 65 [0.196] | 213 | 28 [0.24] | 51 [0.24] | 65 [0.205] | 65 [0.154] | 4,466 |
30 | NP | NP | NP | NP | - | 13 [0.244] | 25 [0.25] | 39 [0.248] | 65 [0.241] | 2,193 | |
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 | - |