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Retaining Wall at Hailsham Road in Herstmonceux, East Sussex

Aarsleff Ground Engineering were awarded the contract by WW Martin Ltd to design & install 436 linear meters of sheet pile retaining wall for a new housing development off Hailsham Road in Herstmonceux, East Sussex.

Commencing works on the 11th June 2018, Aarsleff provided a wall with retained heights of up to 6m to accommodate the existing sloping site & allow the housing development to be constructed behind.

WW Martin constructed a temporary piling platform for Aarsleff’s 80 tonne crawler crane to operate from.This allowed AGE to install pairs of Z piles using temporary guide frames as support until sufficient penetration in to the Wadhurst clay strata was achieved. Aarsleff then utilised a crane suspended high frequency vibro hammer to install the Z piles. Aarsleff also utilised its own Movax SG75 & Volvo based machine to install the remaining 133 No. 7m long GU8N sheet piles.

Taking delivery of over 550t of steel, Aarsleff installed almost a full range of Z profiles for this project, with section lengths ranging from 9.5m to 17m long to accommodate the site’s varying retained heights from 2m to 6m.

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