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Unknown: Lyness Wharf, Ore Bay, Scapa Flow, Orkney
Unidentified Object (20th Century), Obstruction
Site Name Unknown: Lyness Wharf, Ore Bay, Scapa Flow, Orkney
Classification Unidentified Object (20th Century), Obstruction
Alternative Name(s) Hoy; Obstruction
Canmore ID 102211
Site Number ND39SW 8017
NGR ND 31460 94457
Datum WGS84 - Lat/Long
Permalink http://canmore.org.uk/site/102211
- Council Orkney Islands
- Parish Maritime - Orkney
- Former Region Orkney Islands Area
- Former District Maritime
- Former County Not Applicable
ND39SW 8017 3146 9442
N58 49.9333 W3 11.2333
NLO: Lyness [name centred ND 307 948]
Ore Bay [name centred ND 312 942]
Stromness [name: HY 253 090]
Scapa Flow [name centred HY 36 00].
'German ship'.
G Ridley 1992.
Horizontal Datum = OGB
Surveying Details
-----------------------------
An obstruction is reported at 58 49 56N, 003 11 14W, or bearing 158 degrees 249 metres from the SE corner of Lyness wharf.
Hydrographic Office, 1995.
Unspecified foul.
(Location cited as N58 49.93 W3 11.23).
I G Whittaker 1998.
Desk Based Assessment (August 1997)
Three 'obstructions' lie in the waters to the SE of Lyness Pier.
Moore and Wilson, 1997
Coastal Zone Assessment Survey
Reference (19 April 2012)
UKHO Identifier : 000985
Feature Class : Obstn
State : LIVE
Classification : Unclassified
Position (Lat/long) : 58.83222,-3.18722
Horizontal Datum : ORDNANCE SURVEY OF GREAT BRITAIN (1936)
WGS84 Position (Lat/long) : 58.83181,-3.18879
WGS84 Origin : 3-D Cartesian Shift (BW)
Position Quality : Precisely known
Depth : 10.7
Depth Quality : Least depth known
Water Depth : 13
Water Level Effect : Always under water/submerged
Vertical Datum : Lowest Astronomical Tide
Name : Obstruction
Type : OBSTRUCTION
Contact Description : None reported
Original Sensor : None reported
Original Detection Year : 1940
Original Source : Unknown
Surveying Details : **H0207/41 12.6.40 OBSTN IN 584956N, 031114W OR 158DEG, 820FT FROM SE CORNER LYNESS WHARF. (AUTHORITY NOT KNOWN). INS AS OBSTN 6FMS. - FNM ACTION.
**7.11.74 AMEND TO OB 10.7MTRS, NC 2568.
Chart Symbol : OB 10.7
Date Last Amended : 13/02/1978
Reference (March 2012)
Sitename : Ore Bay
Altname : Lyness Wharf, Hoy
Note : From MBES geophysical data - at NGR 331460E 994457N, an area of low mounds, c. 118 metres by 90 metres, off Lyness c. 0.3 metres high that could be associated with anchorages or the salvaging of the German High Seas Fleet off Lyness. It is part of an area of similar sized mounds covering 1.2 kilometres between Hoy and Fara extending from offshore of Mill Bay to Ore Bay. High potential.
This area of mounds includes the obstruction Canmore ID 102211.
Source :
Aspect Survey,Lyness SeaZone TruDepth Points SeaZone in OSGB36 SeaZone Dataset 109871,SeaZone,2011
Project (2013 - 2014)
The Scapa Flow 2013 Marine Archaeology Survey Project, commissioned by Historic Scotland, undertook remote sensing surveys and archaeological diving evaluations at some of the sites within Scapa Flow, Orkney and at the Churchill Barriers.
The project aimed to establish or confirm the identification, extent of survival, character and condition of around 28 known but mostly poorly recorded First and Second World War wreck sites, 8 salvage sites, several sites thought to be associated with Second World War Boom Defences, and a limited sample of geophysical features identified in previous studies (Project Adair).
The work built on that of previous surveys including those completed as part of the ScapaMap Project (2001 and 2006) and by Wessex Archaeology Scapa Flow Wrecks Survey (2012), amongst others.
The project was completed by ORCA Marine and SULA Diving
Diver Inspection (2013)
58 49.909 N 3 11.327 W The remains lie on a mud and sand bottom in 13m of water in an area of slight tide. Numerous steel sheets and fragments, sections of piping and engine room/funnel gratings were observed amongst the debris. The remains have a light covering of short animal turf and are a small cross section of a larger area of wreckage which could not be visually assessed within the time parameters of the project.
Analysis
The debris is likely to be wreckage from various salvage activities completed in the area that were discarded to reduce the weight of the vessel being salvaged and to facilitate the lifting process. It is not possible to associate the remains with a single wreck and thus their provenance and age remain unknown.
Information from Annalisa Christie, Kevin Heath and Mark Littlewood (ORCA) March 2014
Side Scan Sonar Survey (2013)
58 49.909 N 3 11.327 W This site was assessed by side scan sonar surveys using a winch-towed towfis.
The side scan images show numerous miscellaneous contacts including two piles of debris in the area of foul ground. It was not possible to survey the entirety of the obstruction area as there were a number of fish farm buoys in the area.
Information from Annalisa Christie, Kevin Heath and Mark Littlewood (ORCA) March 2014
