1 Establishment of site security Chemical plant drain down & dismantling - >500 Tanks - >5000 Pipe Runs Demolition Site assessment and characterisation Construction of a water treatment system Creation of a18 ha nature reserve Ecological mitigation Treatment trials - Eurodemo Detailed design and regulatory approvals Full project review Works To Date
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1 Establishment of site security Chemical plant drain down & dismantling ->500 Tanks ->5000 Pipe Runs Demolition Site assessment and characterisation Construction.
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1
Establishment of site security
Chemical plant drain down & dismantling- >500 Tanks- >5000 Pipe Runs
Demolition
Site assessment and characterisation
Construction of a water treatment system
Creation of a18 ha nature reserve
Ecological mitigation
Treatment trials - Eurodemo
Detailed design and regulatory approvals
Full project review
Works To Date
2
04-12-01
TEMPL
.Y
SCALE
APPROVED
DATE
t.
JTS
Off Site Plant Area High Level Stocking Area
Waste Tip inc. Lagoon
2
River Rother and Flood Plain
NE
Water Table
Vapours
Direct Contact: Inhalation / ingestion
Aggressive attack on services / foundations
Leaching of contaminants migration into controlled waters
Wind blown particulates from exposed soils & during disturbance - onto third party land and general public
River RotherLagoon 2
DIAGRAMMATIC CONCEPTUAL MODEL
Metal Contamination
Organic Contamination
Inorganic Contamination
Leachables
Human Health
Structures / Services
Made Ground
Alluvium
Coal Measures
Legend
SW
Source
Pathway
Coal Measures
Groundwater Flow
3
• Complex project nature required early contractor
involvement to ensure the exact nature and cost
of the works were understood
• Bespoke Early Contractor Involvement contract
developed
Bringing a Delivery Expert Into the Team
Preferred contractor appointed May 2006 VSD Avenue – JV
• DEC• Volker Stevin• Sita Remediation
4
Avenue remediation options derived by partnership working.
Seven re-use criteria
Technologies used focus on contamination removal
Current remediation strategy submitted for planning in May 2007