Table 1625.1 Vibration Limits When Using Instrumentation
Frequency of ground vibration in cycles per second | Maximum amplitude of ground motion in inches |
Up to 10 | 0.0305 |
20 | 0.0153 |
30 | 0.0102 |
40 | 0.0076 |
50 | 0.0061 |
60 | 0.0051 |
70 | 0.0043 |
80 | 0.0038 |
Table 1625.2 Sample Scaled Distance
DISTANCE IN FEET | WEIGHT SCALED 50 |
10 | .04 |
15 | .09 |
20 | .16 |
25 | .25 |
30 | .36 |
40 | .64 |
50 | 1.00 |
60 | 1.44 |
70 | 1.96 |
80 | 2.56 |
90 | 3.24 |
100 | 4.00 |
110 | 4.84 |
130 | 6.76 |
150 | 9.00 |
170 | 11.6 |
190 | 14.40 |
210 | 17.60 |
230 | 21.20 |
250 | 25.00 |
270 | 29.00 |
290 | 33.60 |
400 | 64 |
500 | 100 |
600 | 144 |
700 | 196 |
800 | 256 |
900 | 324 |
1000 | 400 |
1100 | 484 |
1200 | 576 |
1300 | 676 |
1400 | 784 |
1500 | 900 |
1600 | 1024 |
1700 | 1156 |
1800 | 1296 |
1900 | 1444 |
2000 | 1600 |
2500 | 2500 |
3000 | 3600 |
3500 | 4900 |
4000 | 6400 |
5000 | 10000 |
WEIGHT = (DISTANCE)2 / 50)
Figure 1625.1
N.H. Admin. Code § Saf-C 1625.04
#2220, eff 12-31-82; ss by #2837, eff 8-27-84; ss by #4584, eff 3-3-89; ss by #5996, INTERIM, eff 3-3-95, EXPIRES, 7-1-95; ss by #6054, eff 7-1-95, EXPIRED: 7-1-03
New. #8116, INTERIM, eff 7-14-04, EXPIRES: 1-10-05; ss by #8231, eff 12-20-04; ss by #10396, eff 8-15-13