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Housatonic River ½ Mile Removal - Photo Gallery

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Excavation of contaminated sediments in Cell A. November 24, 1999
Excavation of contaminated sediments in Cell A.
Cell A: Placement of sediment backfill; silty-sand isolation layer, geotextile fabric and rip-rap visible. December 7, 1999
Cell A: Placement of sediment backfill; silty-sand isolation layer, geotextile fabric and rip-rap visible.
Cell A: Placement of one-foot thick layer of rip-rap onto geotextile fabric. December 7, 1999
Cell A: Placement of one-foot thick layer of rip-rap onto geotextile fabric.
Cell B: Excavation of contaminated sediments; removal of sediments via container lifted by crane. December 21, 1999
Cell B: Excavation of contaminated sediments; removal of sediments via container lifted by crane.
Cell B: Excavation of sediments, GE Plant on right; Hibbard Playground on left. December 23, 1999
Cell B: Excavation of sediments, GE Plant on right; Hibbard Playground on left.
Cell B: Final grading of one-foot layer of rip-rap onto geotextile fabric. December 25, 1999
Cell B: Final grading of one-foot layer of rip-rap onto geotextile fabric.
Cell B: Restored river bottom. December 25, 1999
Cell B: Restored river bottom.
Cell C: Stockpile of heavily contaminated sediments adjacent to permanent, impermeable, source control sheetpile. January 11, 2000
Cell C: Stockpile of heavily contaminated sediments adjacent to permanent, impermeable, source control sheetpile.
Cell C: Excavation of sediments with small excavator, removal of sediments with large excavator located on top of bank. January 11, 2000
Cell C: Excavation of sediments with small excavator, removal of sediments with large excavator located on top of bank.
Cell C: Approximate one foot diameter pool of black DNAPL (or heavy oil) uncovered in Cell C. January 24, 2000
Cell C: Approximate one foot diameter pool of black DNAPL (or heavy oil) uncovered in Cell C.
Cell C: Excavation of sediments and bank soils. January 28, 2000
Cell C: Excavation of sediments and bank soils.
Cell C: Initial attempt to remove DNAPL (or heavy oil) by excavation down to four feet. January 28, 2000
Cell C: Initial attempt to remove DNAPL (or heavy oil) by excavation down to four feet.
Cell C: Backfill of sediments/banks adjacent to permanent, source control sheetpile. Bottom geotextile, sand, top geotextile, and rip-rap layers visible. February 4, 2000
Cell C: Backfill of sediments/banks adjacent to permanent, source control sheetpile. Bottom geotextile, sand, top geotextile, and rip-rap layers visible.
Cell C: Final restoration of river channel and bank; exclusive of plantings. February 26, 2000
Cell C: Final restoration of river channel and bank; exclusive of plantings.
DNAPL saturated sediments stockpiled within the "DNAPL" Cell. March 16, 2000
DNAPL saturated sediments stockpiled within the "DNAPL" Cell.
"DNAPL" Cell with bracing installed to allow for excavation to a depth of approximately nine feet; Taken prior to additional DNAPL excavation activities. March 31, 2000
"DNAPL" Cell with bracing installed to allow for excavation to a depth of approximately nine feet; Taken prior to additional DNAPL excavation activities.
Cell F-1: South side of river looking upstream (East); Restoration complete. May 19, 2000
Cell F-1: South side of river looking upstream (East); Restoration complete.
Cells A and C: North side of river looking upstream (East); Restoration complete including planting. May 24, 2000
Cells A and C: North side of river looking upstream (East); Restoration complete including planting.
Cell G-1: North side of the river looking upstream; Sediment excavation moving upstream. May 31, 2000
Cell G-1: North side of the river looking upstream; Sediment excavation moving upstream.

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