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| Content | Date | Cost | Contractor Rank | Address | Contractor |
|---|---|---|---|---|---|
SCORE 69 4929 Rockwood Parkway Nw Washington Dc Mp-5 will be completed as a flute multiport well. The planned location for mp-5 is at the intersection of overlook road and rockwood parkway, approximately midway between existing deep bedrock wells mp-3 and mp-4. Mp-5 is intended to assess/confirm the heretofore observed absence of groundwater perchlorate and arsenic contamination in this area. A nominal 6-inch diameter surface casing will be set 3 feet into competent rock and tremie-grouted into place. At least 12 hours will be allowed for the hydrated 60: bentonite-cement grout mixture [1 lbs of bentonite powder combined with 94 lbs cement; collectively hydrated with 82 gallons of water (3 lbs of dry solids to 1 gallon of water)] to set before drilling a nominal 6-inch diameter open bedrock bore hole to the completion depth of 2 feet bgs. The open bore hole will undergo geophysical testing to determine the best vertical intervals to be monitored. The final well design will allow sampling of up to eight intervals. The drilling method  Date: October 25, 2013 Contractor: B.L. MyersClient: Us Army Corp Of Engineers | Permit type: Excavation; monitoring well (single) | Permit status: Cancel/withdrawn | Expiration date: January 31, 2014 | |||||
SCORE 69 4929 Rockwood Parkway Nw Washington Dc Mp-5 will be completed as a flute multiport well. The planned location for mp-5 is at the intersection of overlook road and rockwood parkway, approximately midway between existing deep bedrock wells mp-3 and mp-4. Mp-5 is intended to assess confirm the heretofore observed absence of groundwater perchlorate and arsenic contamination in this area. A nominal 6-inch diameter surface casing will be set 3 feet into competent rock and tremie-grouted into place. At least 12 hours will be allowed for the hydrated 60: bentonite-cement grout mixture [1 lbs of bentonite powder combined with 94 lbs cement; collectively hydrated with 82 gallons of water (3 lbs of dry solids to 1 gallon of water)] to set before drilling a nominal 6-inch diameter open bedrock bore hole to the completion depth of 2 feet bgs. The open bore hole will undergo geophysical testing to determine the best vertical intervals to be monitored. The final well design will allow sampling of up to eight intervals. The drilling method Date: October 25, 2013Contractor: B.L. MyersClient: Us Army Corp Of Engineers | Permit type: Excavation; monitoring well (single) | Permit status: Cancel/withdrawn | Expiration date: January 31, 2014 | |||||
SCORE 69 Contractor: B.L. MyersPermit status: 3 | Expiration date: January 31, 2014 | Permit id: 0 | |||||
SCORE 69 4929 Rockwood Parkway Nw Washington Dc Mp-5 will be completed as a flute multiport well. The planned location for mp-5 is at the intersection of overlook road and rockwood parkway, approximately midway between existing deep bedrock wells mp-3 and mp-4. Mp-5 is intended to assess confirm the heretofore observed absence of groundwater perchlorate and arsenic contamination in this area. A nominal 6-inch diameter surface casing will be set 3 feet into competent rock and tremie-grouted into place. At least 12 hours will be allowed for the hydrated 60: bentonite-cement grout mixture [1 lbs of bentonite powder combined with 94 lbs cement; collectively hydrated with 82 gallons of water (3 lbs of dry solids to 1 gallon of water)] to set before drilling a nominal 6-inch diameter open bedrock bore hole to the completion depth of 2 feet bgs. The open bore hole will undergo geophysical testing to determine the best vertical intervals to be monitored. The final well design will allow sampling of up to eight intervals. The drilling method Contractor: B.L. MyersPermit status: Cancel/withdrawn | Expiration date: January 31, 2014 | Permit id: 0 | |||||
SCORE 69 Contractor: B.L. MyersPermit status: 3 | Expiration date: January 31, 2014 | Permit id: 0 | |||||
SCORE 69 4929 Rockwood Parkway Nw Washington Dc Mp-5 will be completed as a flute multiport well. The planned location for mp-5 is at the intersection of overlook road and rockwood parkway, approximately midway between existing deep bedrock wells mp-3 and mp-4. Mp-5 is intended to assess confirm the heretofore observed absence of groundwater perchlorate and arsenic contamination in this area. A nominal 6-inch diameter surface casing will be set 3 feet into competent rock and tremie-grouted into place. At least 12 hours will be allowed for the hydrated 60: bentonite-cement grout mixture [1 lbs of bentonite powder combined with 94 lbs cement; collectively hydrated with 82 gallons of water (3 lbs of dry solids to 1 gallon of water)] to set before drilling a nominal 6-inch diameter open bedrock bore hole to the completion depth of 2 feet bgs. The open bore hole will undergo geophysical testing to determine the best vertical intervals to be monitored. The final well design will allow sampling of up to eight intervals. The drilling method Contractor: B.L. MyersPermit status: Cancel/withdrawn | Expiration date: January 31, 2014 | Permit id: 0 |
