The powerhouse is in close proximity to a domestic property so particular attention was paid to the visual impact and control of noise. To this end a relatively slow turbine and variable speed ventilation system were specified to reduce noise at source. Noise attenuation was a careful consideration in the specification of the doors, ventilation attenuators, building fabric and outfall.
To minimise the visual impact the powerhouse was designed to be as small and low as possible which required the intelligent use of space within the powerhouse to accommodate a large turbine and full coverage gantry.
The scheme is designed with operation and maintenance at the fore and is equipped with facilities for pigging, a full coverage gantry within the powerhouse, lifting davits at the intake, de-watering facilities and safe access provision for routine and occasional maintenance.
The scheme was delivered using an NEC3 Engineering and Construction Contract with Dulas acting as Principal Contractor as well as preparing the full civil, mechanical and electrical design packages.