M4 elevated concrete piers repairs

Holding back the piers Remediation work on columns beneath the Chiswick Flyover Repairs on corroded steel and delaminated concrete. Our impact 101 Number of piers on this section of the structure 40MPa Compressive strength of sprayed concrete  20% Steel replaced if 20% loss is found Saltwater has seeped into the structure over the years. Delamination […]

M25 EMI waterproofing

Waterproofing improvement Team takes proactive approach to M25 surfacing works Reduces disruption to motorists and saves £1m. Our impact 7,800 Person hours saved 1m Savings on original project 1,500 Square metres of surfacing repaired The M25 EMI Waterproofing team now manages the network in a more proactive way. Proactive approach Jackson was part of a […]

QEII multi-joint replacement scheme

World-first ramp Innovation helps QEII joint replacement go without a hitch Project completed without causing traffic disruption. Our impact 75,000 Vehicles crossing the QEII Bridge each day 23m Saved in road closure costs 30m Vehicles that drove over the ramps The challenge was replacing the bridge’s joints, without imposing any daytime lane restrictions or speed […]

M25 piling works

Slippery slope Construction of a 33m-long sheet pile retaining wall to stabilise failing embankment Working around gas mains on land adjacent to M25. A series of 14m-long steel piles were installed along a 33m stretch of embankment. Pile on Over the years maintaining M25 assets we have had to stabilise a number of roadside embankments. […]