Projects » Earth Structures
Pooley Bridge Gets Its Bridge Back
On December the 6th 2015, during storm Desmond, substantial flooding in Cumbria resulted in the loss of the masonry arch bridge within the village of Pooley Bridge. The original bridge was erected in 1764 (itself replacing an earlier bridge from the 16th century) and was positioned at the outlet of… ∞
A57 Hyde Road Widening Works to Ease Congestion
The A57 Hyde Road forms part of the main arterial route network into Manchester City Centre. The trunk road is a link between the junctions of the M60 and M67 motorways at the east end, and the Ardwick Green South (A6) at the west end. For the majority of its… ∞
Cambrian Quarry – New life for former ‘Vim’ quarry
The geology to the west of Mold in North Wales has a long history of extractive industries. Mineralised veins within the rocks have been mined for lead, and mine voids have been used for drainage and storage, including munitions and explosives. At Cambrian Quarry in Gwernymynydd, underground workings extracted the… ∞
Ben Gill, Cumbria – Back to Nature
Engineering work on the weir of Ennerdale Water in the 1950s raised the level of the lake, increasing its storage capacity and ensuring a more secure potable water supply. As part of this work, one of the tributaries of the River Ehen (Ben Gill) was diverted to Ennerdale Water via… ∞
14m high wall supports the flow of electricity from Scotland to England
As part of the major FACTS (Flexible Alternating Current Transmission System) project by National Grid to boost the flow of electricity from Scotland to England cutting edge design TCSC (thyristor controlled series compensation) equipment was required at the Hutton 400 kV Hutton Substation near Kendal in Cumbria. This exciting project… ∞
800 year old Kirkstall Forge gets a new lease of life
A historic part of Leeds is being given a new lease of life as Kirkstall Forge is set kick start the regeneration of the area. For over 800 years Kirkstall Forge has been a vital part of Leeds’ industrial heritage, with this part of the city forging metal since 1147… ∞
Crossrail – Stockley Airport Junction
Crossrail is amongst the most significant infrastructure projects ever undertaken in the UK – from improving journey times across London, to easing congestion and offering better connections. Crossrail will deliver a high frequency, high capacity service to 40 stations linking Reading and Heathrow in the west, to Shenfield and Abbey… ∞
A27/A270 Junction Improvements Brighton
To support the construction of a new Community Stadium and new building works by the University of Brighton the existing road network required major improvements to interface with the existing and proposed infrastructure. The new Brighton and Hove Albion Stadium Project required improvements to the A270 Lewes Road which included… ∞
Daniels Mill Slope Reconstruction
Daniels Mill is a fully working watermill set in the idyllic Shropshire countryside, deep in a wooded steep valley crossed by the 19th century viaduct carrying the Severn Valley Railway to Bridgnorth. Its impressive waterwheel has been carefully restored to its former glory and is the largest waterwheel powering a… ∞
Littleborough Station
Littleborough Station is constructed on top of a high embankment with a car park at the bottom. Stairs provided the only pedestrian access from the car park, limiting access to the station for wheelchair and pram users. As part of Network Rail’s ‘access for all’ programme for providing step free… ∞
Asda Rochdale
When ASDA opted to construct a new distribution warehouse in Rochdale a site was identified close to the M62, overlooking a number of residential properties. The site was heavily sloping and a cut and fill exercise highlighted the need for a 4-5m high retaining structure to support the lorry access… ∞
Holden Wood IR
Flood studies and physical model tests demonstrated that the existing overflow and spillway facilities at the Holden Wood Impounding Reservoir were unable to pass the Probable Maximum Flood (PMF) without overtopping onto the main earth embankment with a consequent risk of failure due to the destructive action of out-of-channel flows…. ∞
Bookham Embankment Stabilisation
Bookham embankment is located between Effingham Junction and Leatherhead Junction. A section of the line is built upon an embankment up to 5.5m high with a slope angle of 31°. The embankment was constructed mainly using remoulded soft clay, and a circular slip failure had resulted in movement of the… ∞
Rooley Lane
Marks & Spencer launched a programme to consolidate its existing logistics network and needed a new centralised distribution facility in the North of England. Prologis had acquired the West Bowling Golf Club in a 50/50 joint venture partnership with Marks & Spencer; the site being adjacent to the M606 and… ∞
Midland Quarry
A former sandstone and diorite quarry on a 16hectare site near Nuneaton was to be redeveloped by Redrow Homes for new residential housing. To maximise the available land required the construction of a new retaining structure within the existing quarry. The existing quarry comprised a partially flooded Main Void and… ∞
Foxbank Bewdley
Following rain storms in Worcestershire movement occurred in retaining walls and steep garden slopes rising above and behind “Foxbank”, a house on the busy Cleobury Road in Bewdley. Power supply poles in the garden tilted and foul sewerage pipes were fractured. The site was small but access problems were immense,… ∞
Buttershaw School
Buttershaw High school was included in Phase 1 of the Government ‘Building Schools for the Future’ programme. The scheme entailed the demolition of existing school buildings and the construction of a new school building, car parking and sports facilities. The school site was constructed over varied topography which required the… ∞
Selly Oak Phase 1 Temporary Wall
Selly Oak is an area of Birmingham notorious for congestion and as part of the phase 1 bypass scheme, a new roundabout leading to the Phase 2 works and a replacement bridge were required over the Dudley No.2 Canal. The new bridge over the canal was to be widened to… ∞
Allescholes Landslip Stabilisation Works
The existing embankment pre-failure comprised of a clay slope at an approximate inclination of 1:1.5, with a height of approximately 8m falling to a stream at the base of the slope. Road drainage was directed to a ditch at the side of the embankment falling to the stream at the… ∞