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The planned activities for
the week of 11/12/2001 are as follows:
- Continue Waban Brook remedial excavation, and relocation of Waban
Brook.
- Possibly begin field hockey field remedial excavation.
- Continue placing, grading, and compacting contaminated material (including
treated soil) brought into the consolidation area.
- Continue concrete work in the vicinity of Paintshop Pond dam.
- Continue backfilling portions of the southern wetland, use clean peat
as backfill as necessary.
- Begin operation of soil screen plant to make select soil types/gradations
for clean fill operations.
- Continue managing northern shoreline/western cove dredge material
directly in the consolidation area.
- Continued operation of multi-media and bag filter treatment system
at the main dewatering sump.
- Excavate clean borrow soils from Borrow B.
- Possibly excavate contaminated soil from northernmost portion of site.
- Excavate wetland replacement area at south end of Paintshop Pond.
- Begin general site backfilling.
- Complete dredging area WC-2 using the barge to transfer dredge spoils
to shoreline.
- Begin dredging area WC-3 and possibly area WC-1.
- Collect additional verification samples in areas previously dredged.
- Treat soil/pigment (including soil brought to expanded treatment area
south of main treatment area) using both calcium polysulfide and ferrous
sulfate.
- Continue health and safety air monitoring.
Activities conducted during
the week of 11/5/2001 include:
- Continued remedial excavation in Waban Brook and southern wetland.
- Continued placing, grading, and compacting contaminated fill brought
into the consolidation area.
- Continued concrete work in the vicinity of Paintshop Pond dam.
- Began backfilling portions of the southern wetland.
- Continued managing northern shoreline/western cove dredge material
directly in the consolidation area.
- Continued operation of multi-media and bag filter treatment system
at the main dewatering sump.
- Completed dredging areas NS-4 and WC-3 and began dredging area WC-2.
- Dredged spoils were loaded into barges for primary dewatering. Maxymillian
Technology is using a barge equipped with a sump to dewater dredged
spoils prior to transport to the shoreline. Barges are then transported
to shore where material is excavated from barge loaded into trucks and
placed in the uplands.
- Continued using a partial trailing curtain behind the dredging barge.
This trailing curtain extends from shore to approximately ½ the width
of the proposed remediation area.
- Continue health and safety air monitoring.
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Last Modified: November 14, 2001
paintshop pond
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