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Archaeology Notes
Event ID 729728
Category Descriptive Accounts
Type Archaeology Notes
Permalink http://canmore.org.uk/event/729728
NX68SW 28.01 centred 61397 82390, 61376 82308 to 61490 82425
Location formerly cited as NX 6143 8240.
For associated Earlstoun Power Station (NX 61410 81879), see NX68SW 147.
For adjacent quarry (probably associated with dam construction), see NX68SW 213.
Not to be confused with dam at NX 61312 81959, for which see NX68SW 28.02.
Earlstoun Dam [NAT]
OS 1:10,000 map, 1982.
Earlstoun Dam
Purpose: to create head and provide daily storage
Type: arch and gravity
Maximum height of footway above river-bed: 67ft (20.4m)
Total length along crest: 700ft (213.4m)
Length of arch portion of dam: 283ft (86.3m)
Radius of arch portion of dam: 145ft (44.2m)
Batter of downstream face of arch portion of dam: 4.35 to 1
Spillway level: 245ft (74.7m) OD
Normal maximum depth over crest: 3ft (0.9m)
Overfall spillway length: 287ft (87.5m), also two floodgates, each 17ft 6ins (5.3m) by 23ft 6ins (7.2m)
Normal maximum spillway capacity: 20000 cusecs
Anon. 1938 ['Galloway Hydro-Electric Development'].
This dam controls the supply of water to Earlstoun Power Station (NX68SW 147). It forms a major element of stage II of the Galloway Hydro-Electric Scheme
Information from RCAHMS (RJCM), 25 October 2005.
Gibb and Partners et al. 1937.
