Maentwrog Estate Management 2025 - 2029

Award outcome

Description

Background Maentwrog Power Station is a 30MW hydroelectric power station located just outside the village of Maentwrog. The station draws its water supply from Trawsfynydd Lake located above the station. The lake is man made, and was formed by the construction of four dams, which between them impound the water to form Llyn Trawsfynydd. A series of canals, called leats, have been constructed in the adjoining mountain sides, which direct the rainfall from the mountain sides into the lake, thus increasing the lakes catchment area. Scope of Works To provide a plant and labour resource on a ‘call off’ basis to support general civil maintenance within the lake’s 35 sq mile catchment area and at the Power Station Site. This call off may be required at very short notice, less than 24 hours but a 2 to 3 week notice period is more typical. Typical examples of this work could be but not limited to: • Excavation work utilising excavator type machinery, in and out of shallow water environments • General carpentry & light metal fabrication works • General masonry repairs & plastering • Catchment maintenance, which would typically include: o Gravel removal and general pitching repairs local to Weirs o Concrete repairs and expansion joint resealing o Gate & Fencing repairs and replacement o Manual ditch clearance • Laying of small structure bases, such as bases for steel trellis access platforms • General hand digging and soil removal, such as from under pipes and other areas where access via excavators is generally not possible due to the terrain. • Assistance in transporting heavy equipment or plant from power station to remote areas, utilising a telehandler or excavator/JCB jib.

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