Remediation Services

With an extensive civil and geotechnical construction background, CND provides a full range of remediation services, from heavy civil and geotechnical applications, to industrial site decommissioning, site excavation and remediation, treatment of contaminated soil and water, all manner of cut-off wall (clay, soil bentonite admixtures, Waterloo barrier, bentonite slurry walls, bentomat, concrete caisson walls), excavation shoring (shot-crete with anchors, H-Pile and lagging, caisson wall), slurry excavation, UST/AST removal, and in-situ system installation.

ENVIRONMENTAL REMEDIATION & CONSTRUCTION

• General environmental contracting
• Environmental remediation & construction projects
• Site restoration

SOIL TREATMENT / DISPOSAL

• On-site soil treatment
• Off-site soil treatment
• Thermal treatment
• Bio-cell construction and on-site
• Soil treatment
• Stabilization / Solidification
• Landfilling

EXCAVATION & SHORING

• Site excavation
• Excavation shoring using soil nailing, shot-crete and anchors.
• H-Pile and lagging
• Building foundation and utility underpinning using shot-crete columns & anchors, micro-pilings, screw pile
• Sheet piling

BARRIER WALLS & SLURRY EXCAVATIONS

• Slurry excavations to excavate beneath the water table
• Cut-off walls (clay walls, soil bentonite admixtures, bentonite slurry walls, bentomat, concrete caisson walls, slurry slot excavations filled with low strength concrete, Waterloo Barriers)
• In-situ system installation including directional drilling (soil vapor extraction, groundwater pump and treat systems, high vacuum dual phase extraction, etc.)
• Permeable Reactive Barriers

BROWNFIELD SITE DEVELOPMENT

• Triple Bottom Line (ecological, social, & financial)
• Property ownership, re-zoning & development
• Brownfield expertise, contaminated site remediation
• Green building strategies
• Green technology expertise
• Residential / commercial building development and design

TANK REMOVAL SERVICES & RE-CONSTRUCTION

• Underground storage tank (UST) &  infrastructure removal
• Above ground storage tank (AST) & infrastructure removal
• Fueling facility reconstruction

POND & LAGOON REMEDIATION

• Remediation
• Decommissioning
• Construction
• Liners

WATER TREATMENT

• Site dewatering
• Sedimentation removal
• Excavation dewatering and mobile water treatment
• Fixed facility water treatment

SITE REMEDIATION SERVICES

Current environmental regulations demand strict adherence to stringent environmental regulations on contaminated soils. CND provides a full range of soil remediation and stabilization services to all sectors of the environmental industry. Our services in this area include:

• Ex-situ bio-remediation
• In-situ bio-remediation
• In-situ treatment walls
• A full range of contaminated soil stabilization capabilities
• Bio-cells, geo-membranes and liner systems

UNDERGROUND / ABOVEGROUND STORAGE TANKS

Underground storage tanks are being evaluated, removed and replaced due to the requirements of new waste management regulations in many provinces. CND provides full service, professional contracting to effectively manage the issues pertaining to underground storage tanks. Our proven ability to complete the task at hand in a timely and efficient manner positions CND as the contractor of choice.

Services include:

• Leak detection / tank integrity
• Drilling / subsurface sample collection
• Monitoring well installation
• Excavation services
• Product removal and recovery
• In-situ cleaning and abandonment of tanks
• Tank extraction
• Tank transport and destruction
• Backfilling

MOULD AND FUNGI REMEDIATION

Mould and fungi in buildings are known to cause significant health hazards. CND brings itsvsignificant knowledge of moulds, fungus and the hazards associated with exposure to bear on mould remediation projects. CND has a proven record of providing safe, competent and professional mould removal services to a broad range of clients ranging from residential to heavy industrial.

Mould remediation services include:

• Elimination of moulds and fungus through removal.
• Decontamination of building HVAC systems.
• Mitigation of the re-occurrence of mould through the application of proprietary fungus inhibitors.
• Provision of building upgrades to limit the re-occurrence of moulds and fungus