That all goes back to the announcement of Liverpool waters and LCC have picked regeneration over a status; it'll go
If it is Bramley-Moore dock then it is just outside the WHS.
'Liverpool's world heritage site officially stretches from Albert Dock, which has the largest collection of Grade I listed buildings in the UK, along the Pier Head and up to Stanley Dock. It takes in the elegant Edwardian "three graces": the Royal Liver, Cunard and Port of Liverpool buildings, which have defined the view from the Mersey for almost a century'.
So there shouldn't be any objections on WHS grounds.