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Llandovery Fundamental Bench Mark   

BOLT: LLANDOVERY FBM VERGE 1.6M W SIDE RD 10.7M S FENCE JUNC (TOP BOLT DAMAGED 1986 RELEVELLED 1987) (ODN 185.9008m, AGL 0.5m).

Location
Grid reference: SN 7751 3270.
Landranger 146: Lampeter & Llandovery.
Landranger 160: Brecon Beacons.
Explorer OL12: Brecon Beacons National Park West & Central.
Explorer 187: Llandovery / Llanymddyfri, Llanwrtyd Wells & Llyn.
GPS network passive station: H1SN7732.
Waypoint: FM7149.

Neighbouring Flush Brackets
914 Cefn-cerig 421.90m to the south.
939 Troed-y-Bryn 616.60m to the north.
913 Ydw Bridge 860.06m to the south.
912 Llwynywormwood Park 1.17km to the south.
G3345 Picton Court 1.35km to the north.
The nearest fundamental bench mark is Brecon, 27.86km to the east.

Second Geodetic Levelling, England & Wales (1912-21)
This fundamental bench mark was used during the Second geodetic levelling, England & Wales, and was levelled with a height of 609.9160 feet [185.9024 metres] above mean sea level (Newlyn datum). It was included on the Brecon to Llandovery and Carmarthen to Llandovery levelling lines.

Third Geodetic Levelling, England & Wales (1950-68)
This fundamental bench mark was used during the Third geodetic levelling, England & Wales, and was levelled with a height of 609.9160 feet [185.9024 metres] above mean sea level (Newlyn datum). It was included on the Brecon to Llandovery, Lampeter to Llandovery and Llandovery to Carmarthen levelling lines.

Logged Visits
Visited on 22nd July 2016 by Dugswell2. Grid reference: SN 7751 3270. Condition: Destroyed.
Visited on journey to Pembrokeshire, very sad to see that it has gone.

Visited on 23rd August 2014 by jonglew. Condition: Destroyed.
Visited en-route to the auxiliary FBM which remains extant, unlike this one which has gone.

Visited on 2nd June 2013 by pkbathrooms. Grid reference: SN 7751 3270. Condition: Destroyed.
as previous logs - could not find

Visited on 23rd June 2009 by Hywel. Condition: Destroyed.
Confirmed with local residents - FBM was removed during road improvement (presumably for pipeline construction traffic) a year or so ago. Could only have been a deliberate removal - OS appeared unaware that this had happened when contacted.

Visited on 22nd December 2007 by Dusty. Condition: Destroyed.
No longer at base of tree.

Visited on 26th April 2006 by superswifteagle. Grid reference: SN 7751 3270. Condition: Good.
Highest point of the minor road S from Llandovery. No playpen.
If you have any corrections or additions to this record, please let us know.
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