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Highways England Area 9 covers Gloucester, Shropshire, Staffordshire, Warwickshire, the West Midlands, Worcester and Herefordshire. Area 9 includes some of the UK’s busiest and most complex road systems, including Spaghetti Junction and parts of the M5, M6 and M42.
The Derwent Valley Aqueduct is one of Severn Trent Water’s most important assets, forming part of its strategic water grid it supplies more than 590,000 people with 200 million litres of treated water per day. It consists of 180km of large diameter pipeline, 16km of single 1.9m diameter tunnel, 1,000 valves, 74 bridges and culverts, and 307 other structures and …
Highways England Areas 6 and 8 cover motorways and trunk roads in the east of England, including East Anglia. Since 2014, Inertia Consulting Ltd has worked with the main asset support contractor to inspect the many hundreds of bridges and other highway structures found within Areas 6 and 8, to assess their durability and safety.
Built in the 1960s, the A465 Heads of the Valleys Road joins together the northern heads of the South Wales Valleys. In 2014, work began to convert the road into a dual carriageway requiring the construction of several new road bridges, footbridges and retaining walls.
In 2014, concerns were raised around the condition of this 75m three span Victorian wrought iron ‘self-anchoring’ suspension footbridge. Staffordshire County Council asked Inertia Consulting to carry out a complex testing, capacity assessment and strengthening design on the structure, to restore the bridge to its former glory and make it strong and durable for future generations’ enjoyment.
Inertia Consulting Ltd was appointed to design and supervise the temporary works for the Spinningfields Footbridge, a 52m curved inverse arch catenary footbridge spanning the River Irwell in Manchester in a tight urban location.
Inertia Consulting Ltd was appointed by JCDecaux to create a complex and iconic design for the Edinburgh arches on the Gogar roundabout on the A8. We were required to merge architectural aesthetics with structural ingenuity, as well as incorporate giant video advertising screens into our designs.
Gadebridge is an urban park in Hemel Hempstead, Hertfordshire, which features a Grade II listed bridge built in 1840. Sometimes referred to as the White Bridge, Gadebridge Park Bridge is one of the world’s first cast iron structures.
The project was a success, with a key benefit being the use of weathering steel for the main structure, as it avoids the need for maintenance – and associated disruption – during the bridge’s designed ‘in service’ life.
In 2008, Inertia Consulting identified that the 70m Wilford Suspension Bridge in Nottingham had deteriorated significantly from previous inspections and its load-bearing capacity had become substandard. We were therefore appointed by Severn Trent Water plc to carry out a principal inspection, dimensional survey, capacity assessment, refurbishment scheme design – including temporary works – and construction supervision for the bridge.