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June 2015 - Upstream limits of Phase 1 Construction
Edge of the cleared phragmites line is the approximate location of the Flow Restriction Control Structure (FRCS) – about 100’ upstream of the existing Riverway Intake Structure – end June 2015.
June 2015 - Downstream limits of Phase 1 Construction
Removal of sediment downstream of Avenue Louis Pasteur Culvert to create the Flood Risk Management Channel – mid June 2015
June 2015 - Looking downstream at Upper Fens Pond
Looking downstream at Upper Fens Pond. Note the construction of the stone protection at the toe of the bank – mid June 2015.
June 2015 - Upper Fens Pond bank stabilization
Bank stabilization/construction with stone protection at Upper Fens Pond – early June 2015.
April 2015 - Upper Fens Pond twin culverts are exposed
The twin 72” culverts are completely exposed as the Upper Fens Pond is fully dewatered and sediment removal activities have begun – end of April 2015.
April 2015 - Temporary access roads are built
Temporary access roads are constructed on either side of the river bank in order to remove the sediment (black material in the background where the excavators are working) from the river channel bottom – end of April 2015.
Sediment is mixed with sawdust
Excavator mixing saw dust into the river sediment to help solidify the material for transport off-site.
Pumps arrive for river diversion
Six pumps in place for the river diversion of the Upper Fens Pond.
New Brookline Avenue Culvert
Brookline Avenue Culvert at the former Sears Parking Lot, with river diversion sheeting removed and plantings on the banks of the constructed FRM channel.
Granite veneer installed and continued backfilling of channel
Granite veneer installed and continued backfilling behind the wing wall and shaping of the Flood Risk Management (FRM) channel on the northside.
Looking downstream at the new Brookline Avenue Culvert
Filling of the left side (looking downstream) of the FRM channel is complete, awaiting the extraction of the river diversion sheeting. Note that both banks have been planted; and plantings will continue. Note also the footings for the permanent steel handrail at the culvert headwall.
Flood Risk Management (FRM) channel
Granite veneer installed and continued backfilling behind the wing wall and shaping of the Flood Risk Management (FRM) channel on the northside.
Area completely daylighted and river diversion sheeting extracted
Note the beginning of plantings on the left bank, looking downstream.
Upper Fens Pond area – looking upstream towards the new Brookline Avenue Culvert.
Note the plantings on the banks and on the historic Olmsted Island.
Former Sears Parking Lot looking upstream
Note the shaping of the bank on the northside to construct the FRM channel and the beginning of planting on the southside of the channel.
Looking upstream at the new Riverway Culvert
Filling of the northside of the FRM channel once the lower portion of the channel was constructed; note the continued planting on the southside of the bank of the channel.
Granite blocks for the stone dust pathway at Fenway are installed.
Note the installation of the temporary landscape protection fencing in the location of the construction access gate, which will no longer be used.
New concrete sidewalk on Park Drive in the former Jug Handle Roadway.
Note the new loam on impacted landscaped areas, ready for hydroseed; and the installed temporary landscape protection fencing.
New granite blocks for the stone dust pathway along Fenway roadway are installed
Note the installation of the temporary landscape protection fencing in the location of the construction access gate, which will no longer be used.