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| Content | Date | Cost | Contractor Rank | Address | Contractor |
|---|---|---|---|---|---|
SCORE 62 20 Shannon Place Se Washington Dc We will perform a total of one boring extended to feet below existing grades. The boring will be drilled utilizing 4. 25-inch hollow-stem, continuous-flight augers and will generate an approximately 6-inch annulus. Once the confining clay layer is encountered during sampling, 4-inch steel casing will be installed to a depth of at least feet within the clay layer. With the casing installed, the boring will be advanced to the proposed depth with mud-rotary equipment. Drilling tooling will be decontaminated using a steam cleaner or an alconox solution prior to commencing drilling operations for each boring. After geotechnical exploration is completed, the boring will be backfilled with bentonite slurry, 2lb bentonite powder to 1gal water. Borehole abandonment will be performed by tremie grouting via a positive displacement pump from the bottom of the hole.  Date: September 4, 2015 Contractor: Ecs Midatlantic Llc Jose DiazClient: Four Points, Llc Michael Carline | Permit type: Excavation; boring test pit (each addl), excavation; boring test pit (single) | Permit status: Permit expired | Expiration date: December 31, 2015 | Permit id: Pa115533 | |||||
SCORE 62 20 Shannon Place Se Washington Dc We will perform a total of one boring extended to feet below existing grades. The boring will be drilled utilizing 4. 25-inch hollow-stem, continuous-flight augers and will generate an approximately 6-inch annulus. Once the confining clay layer is encountered during sampling, 4-inch steel casing will be installed to a depth of at least feet within the clay layer. With the casing installed, the boring will be advanced to the proposed depth with mud-rotary equipment. Drilling tooling will be decontaminated using a steam cleaner or an alconox solution prior to commencing drilling operations for each boring. After geotechnical exploration is completed, the boring will be backfilled with bentonite slurry, 2lb bentonite powder to 1gal water. Borehole abandonment will be performed by tremie grouting via a positive displacement pump from the bottom of the hole. Date: January 4, 2016Contractor: Ecs Midatlantic Llc Jose DiazClient: Four Points, Llc Michael Carline | Permit type: Excavation; boring test pit (each addl), excavation; boring test pit (single) | Permit status: Permit expired | Expiration date: February 29, 2016 | Permit id: Pa115533-R1 |
