Cement Concrete Wreck 45915

Surveying Details

H03968/43 14.1.44 H03968/43 14.1.44 OBSTNS EXIST AS FOLLOWS:- (A) LEAST DEPTH 7FT, 028DEGS, 6556FT FROM SEAVIEW PIER; (B) LEAST DEPTH 3FT, 062DEGS, 3100FT FROM SEAVIEW PIER; (C) LEAST DEPTH 11FT, 073DEGS, 7300FT FROM SEAVIEW PIER. OF CONCRETE CONSTRUCTION, DIMENSIONS 200 X 40FT. (C-IN-C PORTSMOUTH, 11.1.44). CHART AS OB 1FM 1FT IN 504356N, 010522W. - NM 157/44. H1181/51 12.3.51 H1181/51 12.3.51 (A) OBSTN, HDG N/S, IN 504356N, 010522W. DRIFT SWEPT. CLEAR AT 18FT, FOUL AT 19FT. GEN DEPTH 31FT. LENGTH 130FT. POSN 160DEGS, 4.75C FROM NO MAN'S LAND FORT; (B) OBSTN, HDG NE/SW, IN 504355N, 010521W. CLEAR AT 20FT, FOUL AT 21FT. LENGTH 40FT. POSN 159DEGS, 4.9C FROM NO MAN'S LAND FORT. (SCES, 25.5.50). AMEND TO OBS 3FMS & 3FMS 2FT IN 504355N, 010522W & 504354W, 010520W RESPECTIVELY. - NM 511/51. H3359/59 6.7.60 H3359/59 6.7.60 POSN (A) LEAST DEPTH 3FMS 3FT OBTAINED BUT POSN DOES NOT AGREE WELL WITH CHART. MAY BE ANOTHER PORTION. POSN (B) LEAST E/S DEPTH 3FMS 1FT. NOT FURTHER EXAM'D. (SCES, 1959). NCA. H1262/64 22.4.64 H1262/64 22.4.64 & 10.5.65 (A) LEAST DEPTH 16FT [LAT]; (B) NOT SEARCHED FOR. (SCES, 1964). AMEND TO OB 2FMS 4FT AND 3FMS [LAT]. NC 2050 & LC 394. H4661/68 1.5.68 H4661/68 1.5.68 OBSTNS EXAM'D IN 504355N, 010521W [OGB] USING HSA. DRIFT SWEPT CLEAR AT 17FT, FOUL AT 18FT. LEAST E/S DEPTH 18 IN GEN DEPTH 26FT. NO SCOUR. LIES 155/335DEGS WITH HIGH POINTS AMIDSHIP & AT S END. LENGTH APPROX 220FT. (HMS WATERWITCH, HI 2/67). AMEND TO SW 2FMS 5FT [LAT] IN 504355N, 010521W & TO SW 3FMS 1FT. - NM 1017/68. H2435/72 4.5.72 H2435/72 4.5.72 POSN CONFIRMED. LEAST E/S DEPTH 17FT [5.2MTRS]. (SCES, 7.2.72). NCA. H4824/75 7.2.78 H4824/75 7.2.78 POSN & LEAST DEPTH CONFIRMED. (SCES, HI 72/77). NCA. H4824/75 20.8.80 H4824/75 20.8.80 EXAM'D 13.9.79 IN 504356N, 010519.5W [OGB] USING TRISPONDER [2 LOP] & HSA. LEAST E/S DEPTH 5.5 IN GEN DEPTH 7.5MTRS. LENGTH 60MTRS. LIES 170/350DEGS. SMALLER OBSTN, LEAST DEPTH 7.2MTRS, LIES ABOUT 50MTRS E. (HMS WATERWITCH, HI 80B/79). RETAIN OSW 5.2MTRS IN REVISED POSN. BR STD. H3847/86 4.1.90 H3847/86 4.1.90 EXAM'D 25.10.89 IN 504355N, 010521.5W [OGB] USING TRISPONDER [4 LOP]. LEAST E/S DEPTH 5.8 IN GEN DEPTH 7.9MTRS. SCOUR 1MTR DEEP. LIES 165/345DEGS. LENGTH 19MTRS. (HMSML GLEANER, HI 366). RETAIN OSW 5.2MTRS IN REVISED POSN. BR STD. 16.10.13 16.10.13 EXAM'D 4.7.13 IN 5043.947N, 0105.440W [WGD]. LEAST M/B DEPTH 5.5 IN GEN DEPTH 7MTRS. NO SCOUR. LENGTH 60MTRS, WIDTH 3MTRS, HT 1.5MTRS. STRONG MAGNETIC ANOMALY. (NETSURVEY, HI 1437). LINEAR STRUCTURE. MINOR SCOUR TO W. AMEND OBSTN 5.5MTRS IN REVISED POSN.