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Archaeology Notes
Event ID 646716
Category Descriptive Accounts
Type Archaeology Notes
Permalink http://canmore.org.uk/event/646716
NX68NW 108.01 61436 88471
Dam [NAT]
Outlet Valve [NAT]
OS 1:10,000 map, 1981.
Formerly entered in error at NX 61432 88349.
Blackwater Dam
Purpose: to form intake for Kendoon aqueduct (NX68NW 108.00)
Type: arch and gravity
Maximum height of footway above river-bed: 50ft (15.2m)
Total length along crest (including intake): 610ft (186m)
Length of arch portion of dam: 144ft (43.9m)
Radius of arch portion of dam: 125ft (7.6m)
Batter of downstream face of arch portion of dam: 4 to 1
Spillways: none
Anon. 1938 ['Galloway Hydro-Electric Development'].
These structures control the supply of water from the Black Water Burn into the pipeline (NX68NW 109) leading to Carsfad Power Station (NX68NW 26); any excess passes into the Water of Ken, which the burn joins at NX 6018 8853.
The structures form a major component of Stage II of the Galloway Hydro-Electric Scheme.
Information from RCAHMS (RJCM), 25 October 2005.
Gibb and Partners et al. 1937.