Surveying Details
H5513/68 16.10.72 OUTER E DOLPHIN WITH GP FL R LT DEMOLISHED. MARKED BY G BUOY 338 DEGS 300FT FROM OBSTN. (MANCHESTER NM 19/72). ASSUMED TEMP. NCA. H5513/68 29.11.72 DOLPHIN RE-INSTATED, BUOY WITHDRAWN. (MANCHESTER NM 21/72). NCA. H2155/73 OUTER E DOLPHIN, WITH LT FL(2) R DEMOLISHED. MARKED BY G CONL LT BUOY MOORED 341DEGS, 100MTRS FROM POSN OF DOLPHIN. (PORT OF MANCHESTER NM 14/76). INS OBSTN AND BUOY. - NM 2570/76. 22.9.82 OBSTN NOT SHOWN ON NC 3490. (LT ON DOLPHIN IN ABOVE POSN). AMEND DEAD. SEP 2016/000193945 21.9.16 SHOWN AS OBSTN DRIES 3.1MTRS IN 5319.583N, 0257.002W [WGD], COLLAPSED DOLPHIN. (MDH SURVEY DTD 5.8.16, LPR003_4_2016_016). AMEND OBSTN DRIES 3.1MTRS IN REVISED POSN. NM 4832/16 RSDRA2025000187899 01.05.25 LOCATED IN M/B DATASET (2025). LEAST M/B DEPTH -3.11MTRS. NFS. (MERSEY DOCKS AND HARBOUR COMPANY SURVEY, DTD 26.03.25). AMEND OBSTN DRIES 3.2MTRS. RSDRA2025000272070 23.05.25 LOCATED IN M/B DATASET (2025). LEAST M/B DEPTH DRIES 2.79MTRS. DEEPER THAN CHARTED. NFS. (PEEL PORTS LIVERPOOL SURVEY, DTD 25.05.2025). RETAIN OBSTN DRIES 3.2MTRS. RSDRA2025000327522 03.07.25 LOCATED IN M/B DATASET (2025). LEAST M/B DEPTH �DRIES 2.83MTRS. DEEPER THAN CHARTED. NFS. (MERSEY DOCKS AND HARBOUR COMPANY SURVEY, DTD 17.06.2025). RETAIN OBSTN DRIES 3.2MTRS. RSDRA2025000357938 20.07.25 NOT LOCATED IN M/B DATASET 2025. (MERSEY DOCKS AND HARBOUR COMPANY SURVEY, DTD 08.07.25). RETAIN OBSTN DRIES 3.2MTRS. RSDRA2025000377854 01.08.25 LOCATED IN M/B DATASET 2025. LEAST M/B DEPTH 3.13MTRS. SAME DEPTH AS CHARTED. NFS. (MERSEY DOCKS AND HARBOUR COMPANY SURVEY, DTD 22.07.25). RETAIN OBSTN DRIES 3.2MTRS. RSDRA2025000406479 23.08.25 LOCATED IN M/B DATASET (2025). LEAST M/B DEPTH �DRIES 3.07MTRS. DEEPER THAN CHARTED. NFS. (MERSEY DOCKS AND HARBOUR COMPANY SURVEY, DTD 08.08.2025). RETAIN OBSTN DRIES 3.2MTRS. RSDRA2025000472339 19.09.2025 LOCATED IN M/B DATASET (2025). LEAST M/B DEPTH �DRIES 3.23MTRS. SHOALER THAN CHARTED. NFS. (MERSEY DOCKS AND HARBOUR COMPANY SURVEY, DTD 19.09.2025). AMEND OBSTN DRIES 3.23MTRS.