Hydro Scheme, Torloisk, Mull

Client: Torloisk Estate
Project Manager: Gregor Cameron Associates
Design Engineer: Adrian Laycock

Project Overview


We were contracted by the Torloisk Estate to construct a 100kw Hydro Scheme during 2014. The project consisted of an in-situ concrete intake structure, 500 metres of 630m HPPE penstock with a large span pipebridge and a rendered blockwork powerhouse.


Ecological Considerations


The scheme is situated in a highly visible scenic area and required sympathetic reinstatement with turf stripping and replacement. In addition, there were date restrictions relating to works in or adjacent to the watercourse, which made the timescale for the intake and outfall very short.

Hydro Scheme, Torloisk, Mull

Our Approach


Ground conditions on the majority of this site were good and we decided to adopt a light touch approach to cause minimum ground disturbance for the majority of the penstock route. There was however, an unavoidable 7m deep rock cut required to install the penstock adjacent to the intake area. We blasted and excavated approximately 6000 tonnes of hard basalt rock, which required storage in a temporary stockpile and was then replaced back over the pipe in order to preserve the original landform. This was accomplished to the satisfaction of all parties.


Final Stages

Civil works were complete January 2015 and the project was handed over for turbine installation.

Location / Contact

Head Office
Craignure
Isle of Mull PA65 6AY
T: 01680 812 475
F: 01680 812 393
E:

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