Manual for Abandoned Underground Mine Inventory and Risk Assessment
Detailed High Rating Site Evaluation Form
Ohio Department of Transportation Abandoned Underground Mine Inventory and Risk Assessment Detailed High Rating Site Evaluation | ||
| C/R/S/ (Mile Marker): _______________________________ Field Report / Office Investigation No.__________________________ Site Description: ____________________________________________________________________________________________ __________________________________________________________________________________________________________ |
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| U.S.G.S. Topographic Quadrangle ODOT No.:______________ |
O.D.N.R. Abandoned Underground Mine Series (U.S.G.S.) Map:______________ |
O.D.N.R.,DGS Individual Abandoned Underground Mine Map Index No.:______________ (If known.) |
Name of Site Evaluator:________________________________________________Evaluation Date:________________ |
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| Criterion | Criterion Weighting Factor |
Site Condition / Rating Value | Individual Criterion Rating | |||||
|---|---|---|---|---|---|---|---|---|
| 1) | Minimum Overburden Thickness (Approx.) | 4 | < 25' 10 |
25' - 50' 8 |
50' - 100' 5 |
>100' 1 |
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| 2) | Recent Dewatering | 10 | <1 Yr. 10 |
1 to 3 Yrs. 9 |
4 to 6 Yrs. 4 |
7 to 9 Yrs. 2 |
>9 Yrs., Unknown, Dry Mine 1 |
|
| 3) | Average Daily Traffic (ADT) | 9 | >30K 10 |
20K to 30K 8 |
10K to 20K 6 |
5K to 10K 4 |
< 5K 2 |
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| 4) | Classification of Roadway ( NOTE: For intersecting Roads, See Implementation Manual) |
9 | I.R. 10 |
NHS Other Than IR 7 |
Arterial 5 |
Collector 1 |
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| 5) | Extraction | 8 | Secondary 10 |
>50% 7 |
Unknown 5 |
<50% 1 |
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| 6) | Maximum Mined Interval Thickness (Approx.) | 8 | >6' 10 |
3' - 6' 5 |
0' - 3' 1 |
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| 7) | Age of Mining | 8 | <1900, or Unknown 10 |
1900-1930 9 |
1931-1945 7 |
1946-1968 5 |
> 1968 1 |
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| 8) | Ratio of Unconsolidated Materials to Bedrock in the Overburden Interval | 8 | Ratio= 1 or > 1 10 |
Ratio <1 1 |
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| 9) | Ratio of Minimum Overburden Thickness To Maximum Mined Interval Thickness(Approx.) | 6 | Ratio < 5 10 |
Ratio = 5 to 11 5 |
Ratio >11 1 |
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| 10) | Average Daily Truck Traffic (ADTT) | 5 | >6K 10 |
4K to 6K 8 |
2K to 4K 6 |
1K to 2K 4 |
< 1K 2 |
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| 11) | Type of Pavement | 5 | Other 10 |
Continuously Reinforced 1 |
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| 12) | Structures in Roadway | 3 | Yes 10 |
No 0 |
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| 13) | Traffic Speed | 3 | >35 MPH 10 |
0 to 35 MPH 1 |
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| 14) | Availability of Reasonable Detour Routes | 3 | None 10 |
Yes 0 |
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| 15) | Special Mine Features | 2 | Intersecting Haulways 10 |
Entry 5 |
Large Room 5 |
None 0 |
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| 16) | Problems Reported During Active Mining | 2 | Yes 10 |
No/Not Known 0 |
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| Overall (Total) Site Evaluation Rating: | ||||||||
| COMMENTS (Attach additional sheets if necessary): 5/15/98 |
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