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M J HICKEY PLANT HIRE & CONTRACTS LTD

Landfill

Landfill sites and in particular lining systems are complex engineering structures requiring detailed design and construction quality assurance.

PROJECTS:-

Melton Ross, North Lincolnshire:

Initial hired operated plant has led to; Landfill capping operation and Principle contractor landfill cell base construction including:-

• Excavation (digging) down to the bottom of the sub-grade.
• Excess material (mostly clay) hauled to on-site stock pile.
• Quarry face dressed with a long reach excavator
• Rock trenches dug.
• Clay is re-compacted into 250mm lifts (layers).
• Clay packed down with both pad & smooth rollers. Each lift is then tested for optimal moisture and density.
• Cell is smoothed and surveyed.
• Edges of existing liner on adjacent closed cell are exposed and cleaned to join with new liner.
• Plastic cell liner is installed extending up sides of cell (polyethylene).
• Geotextile (permeable fabric) mat laid over the liner to protect it.
• Existing leachate pipe system (8-inch perforated PVC) is extended through new cell.
• Leachate is the liquid that filters down through the garbage, typically as a result of rain.
• Fines are hauled in and placed over liner and mat to a depth of 150mm on bottom and slopes of cell.
• Temporary berms with rain guards are built around the perimeter.
• The cell was then laid with tyre bails, placed by the use of a ‘forwarder’.
• As the cell is filled, wells built-up to capture leachate.

The biggest challenge of cell construction is usually the weather

We can meet your demands, whatever your sector.

GET IN TOUCH

HEAD OFFICE

M.J. Hickey Plant Hire & Contracts Ltd
Linton Industrial Estate
Linton
Nr Morpeth
Northumberland
NE61 5SD

TEL: +44 (0) 1670 860523
E-MAIL: enquiries@mjhickey.co.uk

REGIONAL OFFICE

Unit 4 Holton Farm
Town Street
South Killingholme
DN40 3DA

TEL/FAX: +44 (0) 1469540334
E-MAIL: paul.gore@mjhickey.co.uk

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