Table 5.9-7 Vibration Monitoring Results
|
ID |
Location |
Vehicle Type* |
Measured (VdB) |
Predicted (VdB) |
Difference (VdB) |
|
V1 |
Wynnefield (at Wynnefield station parking lot) |
Commuter Rail |
69 |
69 |
0 |
|
V2 |
Norristown-West (west of parking lot at station) |
Freight |
81 |
80 |
1 |
|
Commuter Rail |
61 |
59 |
2 |
||
|
No Activity |
49 |
NA |
NA |
||
|
V3 |
Norristown-East (1/2 mile east of station) |
Commuter Rail |
73 |
74 |
-1 |
|
No Activity |
<30 |
NA |
NA |
||
|
V4 |
Valley Forge (at former train station) |
Freight |
77 |
79 |
-2 |
|
Freight |
70 |
72 |
-2 |
* The commuter rail trains are composed of self-propelled electric railcars.