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Pay For Performance
Previously Awarded Site Summary
Intended for use by NDEE's pre-qualified Pay for Performance Contractors.
Potential bidding Contractors should not contact the State Contractor that performed the Tier 1 & 2 with questions about the site.
Those types of questions should be addressed to Phil Hargis at (402) 471-3150 or Email at
Phil.Hargis@Nebraska.Gov
.
Date:
9/17/04
Site Name:
J&M Auto
UG#
020593-GH-1400
Address:
101 West Ave. B
County:
Garden
Closest Town
Oshkosh
Legal Description:
SW NW S36, T17N, R44W
Contractor Performing Assessment:
Terracon
Tier 1 Date:
7/11/00
Tier 2 Date:
2/5/03
Property Owner’s Name:
Anthony (Blake) Stegman
Property Owner’s Phone Number:
308-772-4020 (Shop)
Contamination Types:
Gasoline & Diesel
PFP Bid Number:
NE-014
Posting Date:
9/23/04
Closing Date for requesting clarifications from the NDEE:
10/15/04
Clarifications to relevant qustions will be issued by the NDEE by:
10/22/04
Bid Submittal Deadline
12/3/04
at 2:00 pm central time.
Site Summary:
The Department became aware of this site in 1992 when J&M Auto Repair located at 101 West Av. B in Oshkosh, Nebraska, removed a pair of tanks. Substantial soil contamination was noted during the tank removal. The site was formerly a Mobil Oil station and is currently an operating business (car repair) under the name of Blake's Automotive. The site was started as a RP led site but was added to the orphan tank program in 1993. In 1999 the site was re-activated, and Terracon began the Tier investigation process. In 2000, while Terracon was performing the Tier 1, a third tank was identified and removed. After the orphan tank removal, the area around the tank and in front of the building was overexcavated to a depth of 12.5 feet. A total of 430 yards of contaminated soil was removed. Substantial soil contamination remains at the site in other areas. Dissolved BETX levels are relatively low and the site was headed to closure, until several wells started accumulating free product in them. This remediation will be free product cleanup only.
Table 1. Final Tier 2 Sampling Results:
Free Product Thickness as of August 10, 2004
Monitor Well
Thickness of Free Product in Feet
MW-1
.19
MW-2
.48
MW-6
.39
MW-7
.13
MW-9
.49
Table 2. SSTLs:
Non-Detect for free product at any point on this site.
Pictures:
(See attached file: Site PhotoA.pdf)
Size
File Name
162 KB
Site PhotoA.pdf
MAPS:
Area
(See attached file: TOPO MAP.pdf)
Size
File Name
159 KB
TOPO MAP.pdf
Benzene Contour
Free Product contour map also.
(See attached file: FIGURE 8.pdf)
(See attached file: FIGURE 9.pdf)
Site Specifications:
1. As this site is now a operating business and about a third of the free product plume is under the building, it is probably not a candidate for overexcavation.
2. The owner will be constructing a 30' X 40' building on the Southwest corner of the property next to Don's RV Center (lots 3 and 4, see map). This should not interfere with the PFP contractor's remedial efforts.
3.The owner also plans on concrete paving the South side of the building at some point in the future. The PFP contractor should consider the costs of wellhead raising activities in the future. This would include any monitor wells already installed by DEQ.
4. The front area of the building is concrete paved. Any removal of concrete will need to be replaced.
5. During your site visit, please let Blake know you are on the property if he is present.
Site Questions and Answers:
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NDEE Private
245 Fallbrook Blvd Suite 100, Lincoln, NE 68521 -- PO Box 98922, Lincoln, NE 68509 -- phone (402) 471-2186, toll-free (877) 253-2603