Manual for Abandoned Underground Mine Inventory and Risk Assessment
Detailed Mine Opening Site Evaluation
Ohio Department of Transportation Abandoned Underground Mine Inventory and Risk Assessment Detailed Mine Opening Site Evaluation |
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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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| ELIMINATED MINE OPENING SITE SCREENING | |||||||||
| NOTE: Have site investigations and /or interviews conclusively proven that the identified mine opening(s) at this site is (are) not an apparent threat to the safety of the roadway? | Yes_____ (SEE COMMENTS BELOW FOR BASIS OF THIS FINDING) No____ |
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| NOTE: Checking "Yes" to this question indicates that exact location, orientation and limits of influence have been verified in the field and a determination made that collapse of the opening or the closure would not affect the roadway or roadside development. | |||||||||
| Criterion | Criterion Weighting Factor |
Site Condition / Rating Value | Individual Criterion Rating | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1) | Method of Mine Closure ( NOTE: For Multiple Mine Openings See Implementation Manual) |
10 | No Information 10 |
Timber Decking 10 |
Random Backfill 6 |
Concrete Cap 4 |
Controlled Backfill 2 |
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| 2) | Type of Cribbing ( NOTE: For Multiple Mine Openings and/or Multiple Forms of Cribbing See Implementation Manual) |
10 | No Information 10 |
Timbers 10 |
Brick 7 |
Concrete 4 |
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| 3) | Average Daily Traffic (ADT) | 10 | >30K 10 |
20K to 30K 8 |
10K to 20K 6 |
5K to 10K 4 |
< 5K 2 |
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| 4) | Mine Opening Location ( NOTE: For Multiple Mine Openings See Implementation Manual) |
9 | Location Not Conclusively Known 10 |
Between The Two Outer-Most Edge of Shoulders 10 |
Less Than 50 Feet From Edge of Shoulder 8 |
Between 50' and 100' From Edge of Shoulder From Edge of Shoulder 2 |
Within Sight From Edge of Shoulder 1 |
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| 5) | 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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| 6) | Minimum Overburden above Mine Opening | 8 | Shaft or Cover = 0' 10 |
Slope/Drift Cover < 25' 9 |
Slope/Drift Cover = 25' - 50' 8 |
Slope/Drift Cover = 50' - 100' 5 |
Slope/Drift Cover >100' 1 |
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| 7) | Recent Dewatering | 8 | <1 Yr. 10 |
1 to 3 Yrs. 9 |
4 to 6 Yrs. 4 |
7 to 9 Yrs. 2 |
>9 Yrs., Unknown, or Dry Mine 1 |
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| 8) | Average Daily Truck Traffic (ADTT) | 6 | >6K 10 |
4K to 6K 8 |
2K to 4K 6 |
1K to 2K 4 |
< 1K 2 |
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| 9) | Type of Pavement | 6 | Other 10 |
Continuously Reinforced 1 |
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| 10) | Structures in Roadway | 6 | Yes 10 |
No 0 |
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| 11) | Traffic Speed | 5 | >35 MPH 10 |
0 to 35 MPH 1 |
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| 12) | Type of Mine Opening ( NOTE: For Multiple Mine Openings) See Implementation Manual) | 5 | Shaft (Vertical) 10 |
Slope 8 |
Drift (Horizontal) 6 |
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| 13) | Plan Area of Mine Opening (Approx.) ( NOTE: For Multiple Mine Openings See Implementation Manual) | 4 | >750 Sq. Ft. 10 |
From 500 to 750 Sq. Ft. 8 |
From 250 to 500 Sq. Ft. 6 |
Mine Opening Size Unknown 5 |
From 150 to 250 Sq. Ft. 4 |
<150 Sq. Ft. 2 |
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| 14) | Age of Mining | 4 | <1900, or Unknown 10 |
1900-1930 9 |
1931-1945 7 |
1946-1968 5 |
> 1968 1 |
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| 15) | Availability of Reasonable Detour Routes | 2 | None 10 |
Yes 0 |
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| Overall(Total) Site Evaluation Rating: | |||||||||
| COMMENTS (Attach additional sheets if necessary): 5/15/98 |
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