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Forth Road Bridge – Main Cable Internal Inspection 2025
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Descriptions
The Forth Road Bridge is a suspension bridge with a 1006m main span and equal side spans of 408 m and carries a dual 2-lane carriageway and two 4.5m wide foot/cycle ways over the Firth of Forth between Fife and West Lothian. The bridge opened in 1964.The main suspension cables are approximately 600 mm diameter and the angle of the main cable varies along its length. The existing main cable wire is made up of 11,618 high tensile steel wires, 4.98mm in diameter. The cable bands support the deck via the hanger cables.The works include the provision of all temporary, proprietary and permanent works required to enable internal inspections of the selected main cable panels.In delivering the works the SubContractor shall provide all labour, Contractor’s equipment, materials, supervision and management including the alteration and subsequent testing of two existing high level platforms and refurbishment of the main cable compacting and wrapping machines.The internal inspection of the main cables requires the removal of elastomeric wrap and the 3.78 mm diameter wrapping wire, inserting wedges into the exposed main cable to examine the internal wire condition, removing main cable wires for testing, repairing any wire breakages found during the inspection, re-compacting the exposed section of the main cable, reinstating the wire wrapping and installation of the elastomeric wrap over the wrapping wire.In addition, the SubContractor shall be responsible for removal, reinstatement and recommissioning of a dehumidification equipment (sleeves etc.) and reinstatement of any damage to the acoustic monitoring system.The project has an estimated value of 2,000.000GBP
Timeline
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Tender Regions
CPV Codes
45221100 - Construction work for bridges
45221111 - Road bridge construction work
45233100 - Construction work for highways, roads
44212120 - Structures of bridges
45200000 - Works for complete or part construction and civil engineering work
45233124 - Trunk road construction work
45221115 - Construction work for steel bridges
43321000 - Bridge-suspension equipment
45221000 - Construction work for bridges and tunnels, shafts and subways
45233141 - Road-maintenance works
Keywords
turnkey projects
public works
subway build
river span build
asphalt patching
trunk road build
pothole repairs
infrastructure
site preparation
earthworks
highway building
bridge decks
vehicular span build
building projects
road sealing works
road-maintenance works
main road pathway build
vehicular span erection
road bridge construction
substructure works
periodic road repair
general contracting
expressway erection
overpass erection
traffic bridge build
shaft erection work
construction work
structural construction
structures of bridges
civil highway span build
civil engineering
highway steel bridge
bridge frameworks
highway overpass build
bridge superstructures
road surface upkeep
span support machinery
bridge suspension gear
crossing infrastructure
steel transport span
urban transit structure
major route construction
carriageway maintenance
road pavement works
roadway upkeep tasks
asphalt span erection
trunk route pavement
civil engineering bridge
steel frame bridge build
industrial steel bridge
welded steel overpass
bridge construction
road construction
high load steel span
civil bridge building
bridge deck suspension systems
viaduct and underpass building
structural lifting equipment
transport bridge structure
highway maintenance services
transportation passage construction
transport bridge construction
roadway crossing construction
overhead and underground crossing construction
transport corridor construction
main logistics road build
arterial road installation
primary highway infrastructure
arterial trunk carriageway build
motorway bridge construction
transport highway construction
interregional road erection
national route development
preventative roadway maintenance
bridge structural systems
intercity road construction
reinforced steel infrastructure
bridge cable tensioning machinery
modern steel bridge erection
roadway infrastructure build
structural crossing infrastructure
steel bridge construction
expressway overpass build
bridge and tunnel construction
tunneling and bridging build
bridge superstructure work
structural steel span build
civil crossing facilities
vehicular corridor construction
Workflows
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