Powergrid® Molded Grating Load Tables (Inch-Pounds
Units)
CONCENTRATED LINE LOAD TABLE-12" Wide strip
of Grating DEFLECTION IN INCHES
| SPAN IN INCHES |
STYLE |
LOAD IN LBS/FOOT of WIDTH |
Break point |
| 50 |
100 |
200 |
300 |
400 |
500 |
| 12 |
1"X1-1/2"SM |
-----
|
----- |
----- |
----- |
----- |
----- |
----- |
|
1-1/2"X1-1/2"SM |
0.011 |
0.014 |
0.019 |
0.024 |
0.03 |
0.035 |
11491 |
|
2"X2"SM |
0.011 |
0.012 |
0.016 |
0.019 |
0.025 |
0.041 |
14587 |
|
1"X1"X4"RMS |
0.013 |
0.019 |
0.029 |
0.039 |
0.05 |
0.06 |
6339 |
|
1"X1"X4"RMH |
0.015 |
0.019 |
0.028 |
0.037 |
0.045 |
0.054 |
6370 |
|
1-1/2"X3/4"Mini |
0.013 |
0.027 |
0.053 |
0.081 |
0.106 |
----- |
------ |
|
1-1/5"X0.79"Mini |
---- |
----- |
----- |
------ |
----- |
------ |
------ |
|
1-1/2"X1-1/2"X6"RM |
0.002 |
0.004 |
0.009 |
0.015 |
------ |
0.025 |
------ |
| 18 |
1"X1-1/2"SM |
---- |
------ |
------ |
------ |
------ |
------ |
------ |
|
1-1/2"X1-1/2"SM |
------ |
------ |
------ |
------ |
------ |
------ |
------ |
|
2"X2"SM |
------ |
------ |
------ |
------ |
------ |
------ |
------ |
|
1"X1"X4"RMS |
------ |
------ |
------ |
------ |
------ |
------ |
------ |
|
1"X1"X4"RMH |
0.029 |
0.058 |
0.116 |
0.174 |
0.232 |
------ |
------ |
|
1-1/2"X3/4"Mini |
|
0.017 |
0.034 |
0.05 |
0.067 |
0.085 |
------ |
|
1-1/5"X0.79"Mini |
0.007
|
0.015 |
0.029 |
0.046 |
------ |
0.072 |
------ |
|
1-1/2"X1-1/2"X6"RM |
0.007 |
0.015 |
0.029 |
0.046 |
------ |
0.072 |
------ |
| 24 |
1"X1-1/2"SM |
0.034 |
0.067 |
0.138 |
0.203 |
0.264 |
0.322 |
1963 |
|
1-1/2X1-1/2"SM |
0.014 |
0.026 |
0.049 |
0.073 |
0.097 |
0.121 |
5852 |
|
2"X2"SM |
0.014 |
0.02 |
0.032 |
0.044 |
0.069 |
0.131 |
7864 |
|
1"X1"X4"RMS |
0.034 |
0.068 |
0.136 |
0.204 |
0.272 |
0.34 |
2890 |
|
1"X1"X4"RMH |
0.032 |
0.059 |
0.111
|
0.164 |
0.217 |
0.269 |
3117 |
|
1-1/2"X3/4"Mini |
0.034 |
0.067 |
0.134 |
0.201 |
0.268 |
------ |
------ |
|
1-1/5"X0.79"Mini |
------ |
0.043 |
0.086 |
0.129 |
0.172 |
0.215 |
------ |
|
1-1/2"X1-1/2"X6"RM |
0.015 |
0.032 |
0.065 |
0.094 |
------ |
0.152 |
------ |
| 30 |
1"X1-1/2"SM |
------ |
------ |
------ |
------ |
------ |
------ |
------ |
|
1-1/2X1-1/2"SM |
------ |
------ |
------ |
------ |
------ |
------ |
------ |
|
2"X2"SM |
------ |
------ |
------ |
------ |
------ |
------ |
------ |
|
1"X1"X4"RMS |
0.055 |
0.107 |
0.201 |
0.282 |
0.376 |
0.47 |
2591 |
|
1"X1"X4"RMH |
0.041 |
0.083 |
0.168 |
0.252 |
0.336 |
0.42 |
2709 |
|
1-1/2"X3/4"Mini |
0.042 |
0.084 |
0.168 |
0.252 |
0.336 |
------ |
------ |
|
1-1/5"X0.79"Mini |
------ |
------ |
------ |
------ |
------ |
------ |
------ |
|
1-1/2"X1-1/2"X6"RM |
0.026 |
0.053 |
0.106 |
0.158 |
------ |
0.263 |
------ |
| 36 |
1"X1-1/2"SM |
0.114 |
0.233 |
0.477 |
0.726 |
------ |
------ |
1038 |
|
1-1/2X1-1/2"SM |
0.034 |
0.071 |
0.145 |
0.219 |
0.292 |
0.366 |
3905 |
|
2"X2"SM |
0.034 |
0.071 |
0.145 |
0.219 |
0.292 |
0.366 |
3905 |
|
1"X1"X4"RMS |
0.02 |
0.044 |
0.088 |
0.126 |
0.203 |
0.396 |
5223 |
|
1"X1"X4"RMH |
0.095 |
0.186 |
0.347 |
0.487 |
0.65 |
0.812 |
2159 |
|
1-1/2"X3/4"Mini |
0.05 |
0.108 |
0.224 |
0.34 |
0.455 |
0.571 |
2257 |
|
1-1/5"X0.79"Mini |
0.056 |
0.112 |
0.083 |
0.224 |
0.336 |
------ |
----- |
|
1-1/2"X1-1/2"X6"RM |
------- |
0.119 |
0.246 |
0.379 |
0.508 |
0.629 |
------ |
| 42 |
1"X1-1/2"SM |
0.181 |
0.37 |
0.758 |
----- |
------ |
----- |
1122 |
|
1-1/2X1-1/2"SM |
0.055 |
0.113 |
0.23 |
0347 |
0.464 |
0.581 |
2881 |
|
2"X2"SM |
0.023 |
0.051 |
0.107 |
0.163 |
0.275 |
0.556 |
4455 |
|
1"X1"X4"RMS |
------ |
------ |
------ |
------ |
------ |
------ |
------ |
|
1"X1"X4"RMH |
------ |
------ |
------ |
------ |
------ |
------ |
------ |
|
1-1/2"X3/4"Mini |
0.074 |
0.148 |
0.296 |
0.444 |
------ |
------ |
------ |
|
1-1/5"X0.79"Mini |
------ |
0.201 |
0.405 |
0.608 |
0.811 |
------ |
------ |
|
1-1/2"X1-1/2"X6"RM |
0.058 |
0.118 |
0.239 |
0.358 |
------ |
------ |
------ |
48 |
1"X1-1/2"SM |
0.225 |
0.458 |
----- |
----- |
|
----- |
981 |
|
1-1/2X1-1/2"SM |
0.089 |
0.187 |
0.381 |
0.576 |
0.771 |
----- |
2521 |
|
2"X2"SM |
0.036 |
0.076 |
0.155 |
0.233 |
0.392 |
----- |
3917 |
|
1"X1"X4"RMS |
----- |
----- |
----- |
----- |
----- |
----- |
----- |
|
1"X1"X4"RMH |
----- |
----- |
----- |
----- |
----- |
----- |
----- |
|
1-1/2"X3/4"Mini |
0.099 |
0.198 |
0.396 |
0.594 |
----- |
----- |
----- |
|
1-1/5"X0.79"Mini |
----- |
0.306 |
0.616 |
0.924 |
----- |
----- |
----- |
|
1-1/2"X1-1/2"X6"RM |
0.092 |
0.185 |
0.372 |
0.542 |
----- |
----- |
----- |
| 60 |
1"X1-1/2"SM |
----- |
----- |
----- |
----- |
----- |
----- |
|
|
1-1/2X1-1/2"SM |
0.164 |
0.341 |
0.696 |
----- |
----- |
----- |
2017 |
|
2"X2"SM |
----- |
----- |
----- |
----- |
----- |
----- |
----- |
|
1"X1"X4"RMS |
----- |
----- |
----- |
----- |
----- |
----- |
----- |
|
1"X1"X4"RMH |
----- |
----- |
----- |
----- |
----- |
----- |
----- |
|
1-1/2"X3/4"Mini |
----- |
----- |
----- |
----- |
----- |
----- |
----- |
|
1-1/5"X0.79"Mini |
----- |
----- |
----- |
----- |
----- |
----- |
----- |
|
1-1/2"X1-1/2"X6"RM |
----- |
----- |
----- |
----- |
----- |
----- |
----- |
| Remarks: |
1. RM=Rectangular Mesh2. Mini=Mini Mesh3. SM=Square Mesh
4. RMS=Rectangular Mesh Standard
5. RMH=Rectangular Mesh Heavy
duty |
UNIFORM LOAD TABLE-12" Wide Strip of Grating
DEFLECTION IN INCHES 
| SPAN IN
INCHES |
STYLE |
LOAD
IN LBS/SQUARE FOOT |
| 50 |
100 |
200 |
300 |
400 |
500 |
750 |
1000 |
| 12 |
1"X-1/2"SM |
----- |
----- |
----- |
----- |
----- |
----- |
----- |
----- |
|
1-1/2X-1/2"SM |
0.01 |
0.012 |
0.015 |
0.018 |
0.022 |
0.025 |
0.033 |
----- |
|
2"X2"SM |
0.01 |
0.011 |
0.013 |
0.015 |
0.017 |
0.019 |
0.029 |
----- |
|
1"X1"X4"RMS |
0.011 |
0.015 |
0.021 |
0.028 |
0.034 |
0.041 |
----- |
0.075 |
|
1"X1"X4"RMH |
0.013 |
0.016 |
0.021 |
0.027 |
0.032 |
0.038 |
----- |
0.065 |
|
1-1/2"X3/4"Mini |
0.017 |
0.033 |
0.066 |
0.099 |
0.132 |
----- |
----- |
0.333 |
|
1-1/5"X0.79"Mini |
----- |
----- |
----- |
----- |
----- |
----- |
----- |
----- |
|
1-1/2"X-1/2"X6"RM |
0.003 |
0.006 |
0.013 |
0.019 |
----- |
0.031 |
----- |
0.061 |
| 18 |
1"X-1/2"SM |
0.026 |
0.043 |
0.076 |
0.109 |
0.142 |
0.176 |
0.259 |
----- |
|
1-1/2X-1/2"SM |
----- |
----- |
----- |
----- |
----- |
----- |
----- |
----- |
|
2"X2"SM |
----- |
----- |
----- |
----- |
----- |
----- |
----- |
----- |
|
1"X1"X4"RMS |
----- |
----- |
----- |
----- |
----- |
----- |
----- |
----- |
|
1"X1"X4"RMH |
----- |
----- |
----- |
----- |
----- |
----- |
----- |
----- |
|
1-1/2"X3/4"Mini |
0.027 |
0.054 |
0.109 |
0.163 |
0.218 |
----- |
----- |
----- |
|
1-1/5"X0.79"Mini |
----- |
0.015 |
0.029 |
----- |
----- |
----- |
----- |
----- |
|
1-1/2"X-1/2"X6"RM |
0.009 |
0.019 |
0.038 |
0.057 |
----- |
0.095 |
----- |
0.191 |
| 24 |
1"X-1/2"SM |
0.044 |
0.083 |
0.163 |
0.243 |
0.322 |
0.402 |
0.601 |
----- |
|
1-1/2X-1/2"SM |
0.017 |
0.032 |
0.061 |
0.091 |
0.121 |
0.151 |
0.226 |
----- |
|
2"X2"SM |
0.015 |
0.023 |
0.038 |
0.054 |
0.069 |
0.084 |
0.162 |
----- |
|
1"X1"X4"RMS |
0.036 |
0.073 |
0.145 |
0.218 |
0.291 |
0.363 |
----- |
0.727 |
|
1"X1"X4"RMH |
0.039 |
0.072 |
0.138 |
0.203 |
0.269 |
0.335 |
----- |
0.664 |
|
1-1/2"X3/4"Mini |
0.042 |
0.084 |
0.167 |
0.251 |
0.334 |
----- |
----- |
----- |
|
1-1/5"X0.79"Mini |
----- |
0.053 |
0.099 |
----- |
----- |
|
----- |
----- |
|
1-1/2"X-1/2"X6"RM |
0.019 |
0.038 |
0.075 |
0.113 |
----- |
0.188 |
----- |
0.372 |
| 30 |
1"X-1/2"SM |
0.105 |
0.212 |
0.426 |
0.641 |
0.855 |
----- |
|
----- |
|
1-1/2X-1/2"SM |
----- |
----- |
----- |
----- |
----- |
----- |
----- |
----- |
|
2"X2"SM |
----- |
----- |
----- |
----- |
----- |
----- |
----- |
----- |
|
1"X1"X4"RMS |
----- |
----- |
----- |
----- |
----- |
----- |
----- |
----- |
|
1"X1"X4"RMH |
----- |
----- |
----- |
----- |
----- |
----- |
----- |
----- |
|
1-1/2"X3/4"Mini |
0.066 |
0.132 |
0.264 |
0.396 |
0.528 |
----- |
----- |
----- |
|
1-1/5"X0.79"Mini |
----- |
----- |
----- |
----- |
----- |
----- |
----- |
----- |
|
1-1/2"X-1/2"X6"RM |
0.039 |
0.078 |
0.156 |
0.234 |
----- |
0.388 |
----- |
----- |
| 36 |
1"X-1/2"SM |
0.218 |
0.44 |
0.885 |
----- |
----- |
----- |
----- |
----- |
|
1-1/2"X-1/2"SM |
0.067 |
0.136 |
0.274 |
0.412 |
0.55 |
0.688 |
----- |
----- |
|
2"X2"SM |
0.047 |
0.083 |
0.155 |
0.227 |
0.299 |
0.372 |
0.732 |
----- |
|
1"X1"X4"RMS |
0.143 |
0.26 |
0.495 |
0.73 |
0.964 |
----- |
----- |
----- |
|
1"X1"X4"RMH |
0.101 |
0.209 |
0.426 |
0.643 |
0.861 |
----- |
----- |
----- |
|
1-1/2"X3/4"Mini |
0.105 |
0.211 |
0.421 |
0.631 |
----- |
----- |
----- |
----- |
|
1-1/5"X0.79"Mini |
----- |
0.22 |
0.42 |
----- |
----- |
----- |
----- |
----- |
|
1-1/2"X-1/2"X6"RM |
0.071 |
0.143 |
0.285 |
0.428 |
----- |
----- |
----- |
----- |
| 42 |
1"X-1/2"SM |
0.405 |
0.187 |
----- |
0.764 |
----- |
----- |
----- |
----- |
|
1-1/2"X-1/2"SM |
0.124 |
0.252 |
0.508 |
0.363 |
----- |
----- |
----- |
----- |
|
2"X2"SM |
0.057 |
0.118 |
0.24 |
----- |
0.486 |
0.608 |
----- |
----- |
| 
