Levens is a small residential village south of Kendal overlooking fields and the A590.
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River bank stabilisation and repairs.
CLIENT: Cumbria County Council VALUE: £500,000 COMPLETION: March 2015
DURATION: 35 weeks CONTRACT: NEC 3
WORKS INCLUDED
Design and Build contract.
Medieval Grade 2 listed walls was only 3m from the new retaining wall. This produced the unique challenge that the construction had to produce virtually no vibration to safeguard its integrity. The design options were therefore limited.
Extensive design meetings were required to provide a solution to the above issue.
Thomas Armstrong (Construction) Ltd had to apply for the Flood Defence Consent from the Environment Agency (EA).
Cultural Heritage Assessment was commissioned by Thomas Armstrong (Construction) Ltd
Water framework application was also required to be submitted as part of the Flood Defence Consent
Wildlife survey was required with frequent visits during the construction
Extensive consultation with the EA took place on pollution control and avoidance.
Surrounding area was close to a Grade 2 * listed farmhouse with Historic Environment Record (HER) sites.
Consultation with English Heritage and CCC archaeologist was required before commencement on site.
Original design for contiguous piles was approved. However during further ground investigation it became apparent that the piles would not be feasible due to the extensive boulders present.
The design had to be changed to a reinforced retaining wall with its foundations below the river level. This produced a further challenge when high tides caused flooding to our working area.
Sand bag cofferdam placed in the river to enable a stone platform to be installed.
Willow Spiling was planted to create a living embankment and to soften the visual impact of the new concrete wall.
