A viaduct built to carry the pump-rods leads from the Laxey Wheel and up the valley to the pump head and engine shaft of the mine. The wheel was built to work the pumps in the Engine Shaft some 410 metres away. Its power was transmitted by a sectional timber beam running on miniature, railway-type, bogies on tracks carried on this arched stone viaduct. An extensive system of lades brought water to drive the wheel itself and numerous other pieces of water-powered equipment.