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Floating crane lifting north outer lock gate
North limpet dam being taken from shore to lock…
North limpet dam being towed from shore to lock…
Floating crane preparing to unstep north outer…
North outer lock gate, semi floating in esat end…
North outer lock gate, semi floating in esat end…
North limpet dam in position
South outer lock gate in upright position at west…
North limpet dam in position
Floating crane taking the weight of north outer…
Floating crane taking the weight of north outer…
Floating crane taking the weight of north outer…
Renewal of outer gates at entrance lock
Floating crane preparing to unstep north outer…