North Notts Civils was caught out by rapidly rising spring tides during work at Chalkwell in Southend, Essex.
The firm was working for Southend Council on repairs to the sea wall
John Lamb, the council’s deputy leader with responsibility for regeneration and enterprise, told the Daily Mail: “The vehicles were quickly recovered.
“They were stranded on part of Chalkwell beach as there is a company doing work repairing and replacing groynes.
“They got caught out but it is part of important flood defence work. No doubt they will use another vehicle and the work will carry on.”
The swell came as spring tides increased in Southend. The one that took out the construction vehicles on Chalkwell beach measured 5.9metres