Case Studies

Alwyn Jones are trusted to deliver projects requiring high levels of skill and management, including health and safety and environmentally critical situations. Find below some of the recent projects that we have been involved with.

Substation Refurbishment Works

 

Client – Innogy Renewables Ltd – Dolgarrog Power Station

Main Contractor – Schneider Electricals

For the installation of new concrete bases inc installation of cable ducts and earth rods.

Works included demolition of the old switchgear bases and columns, hand excavation works under HSG47 methods.

Carried our all shuttering, steel fixing and concrete works.

 

Theme Park Water Ride

 

Client – Greenwood Forest Park

Main Contractor – Alwyn Jones Ltd

 

Design and Build of all Foundation Works, Underground Water Tanks, and Installation of High Pressure Pipelines including ground investigation works.

33KV Transformer Bund

 

Client – Innogy Renewables Ltd – Dolgarrog Power Station

Main Contractor – Alwyn Jones Ltd

To carry out the demolition of an existing 33kv transformer bund inc the shuttering and steel fixing to construct a new 33kv transformer bund inc blast walls.

Overspill Reinstatement Works for the Coedty Reservoir

 

 

Client – Innogy Renewables Ltd – Dolgarrog Power Station

Main Contractor – Alwyn Jones Ltd

We carried out the placement of large boulders into deep scours the water had created due to the force of the river.

Low Head Pipeline Incline Bearings and New Concrete Support Replacement

 

Client – Innogy Renewables Ltd – Dolgarrog Power Station

Main Contractor – Ekspan Ltd

Steel fixing, shuttering and concrete works for new pipeline supports. Included working in a very inaccessible location, due care taken of all personnel and fully resourced. Low Head pipeline new bearings and supports project. Interestingly this pipeline fulfills dual roles supplying Innogy Renewables Dolgarog Hydro Power Station and Surf Snowdonia’s revolutionary Inland Surfing complex.

Low Head Pipeline - bearing and concrete support replacement scheme
Concrete Support for Pipeline

Oil Interceptor and Aco Drain Installation Works

 

Client- Innogy Renewables Ltd-  Dolgarrog Power Station

Main Contractor – Alwyn Jones Ltd

Hand dig Excavation in a live power station around live services, deep excavation works inc the installation of cofferdam, Diamond drilling and sawing works, installation of 3 no large interceptor tanks around the site inc all pipe work and the laying of a large amount of ACO drains.

The scheme was undertaken to divert any uncontrolled spills in the future to prevent pollution.