ECI on new and bespoke contracts via USL TEKSERV.
With more complex and substantial machining demands for projects, Ekspan now operate a state-of-the-art Hurco DCX3226i CNC machine, an essential addition to their in-house manufacturing facilities.
USL Ekspan is the UK's largest quality bearing supplier and installer to meet demands both in the UK and worldwide.
USL Ekspan install an extensive range of mechanical and elastomeric expansion joints and seal joints to CD358 standards.
Bridge jacking and temporary works are an essential part of most bearing replacement and refurbishment operations, ensuring works are carried out safely and efficiently without affecting the integrity of the structure.
The importance of carrying out bearing and expansion joint inspections by proficient and competent engineers who understand their functionality can often be key to maximising a structure’s lifespan and avoiding major, unexpected, emergency repair costs.
USL Ekspan have carried out a number of projects for swing bridges and foot bridges. From design, fabrication of all structural components, to trial erection and final installation. Details of these type of bridge installations can be supplied on request.
Project: M25 Gade Valley Viaduct - Hertfordshire
Client: Connect Plus / Highways England / Geoffrey Osborne Ltd.
Overview: Gade Valley Viaduct near Kings Langley, is a 450 metres long multi-span composite viaduct carrying the M25 motorway between junctions 20 and 21. The viaduct comprises 11 spans that is composed of twin decks, where each deck is formed from 4 open topped steel box girders within an in-situ cast concrete slab.
Supplied: USL Ekspan carried out a detailed inspection of 166 pot bearings over a 7-day period. All evaluations were recorded and photographed for inclusion in a comprehensive report offering options for ongoing corrective and preventive maintenance measures.
Project: Warden Rail Bridge - Northumberland
Client: Balfour Beatty
Overview: The bridge spans the River South Tyne between Hexham and Haydon Bridge in Northumberland. This rail bridge is a steel, three span continuous half-through truss supported on two abutments and two piers loaded with ballast and carrying two rail tracks.
Supplied: USL Ekspan carried out an inspection of the 4 existing mechanical rocker bearings on the East and West abutments, followed by a subsequent inspection of the 4 no. pier bearings to ascertain their physical condition and their service capacity. All findings, conclusions and recommendations were provided in a report.
Project: M4 Boston Manor Viaduct - Elevated Section, Brentford, West London
Client: Geoffrey Osborne Ltd.
Overview: Boston Manor Viaduct is a steel lattice girder arched viaduct motorway bridge that carries the M4 over Boston Manor Road between junctions 3 and 2 in West London. Part of the viaduct also spans Thames Valley University Car Park, GSM Car Park and part of Boston Manor Park. The bridge is constructed from fabricated steel box sections and is braced horizontally & vertically with bolted steel sections.
Supplied: USL Ekspan inspected eight (mechanical roller and spherical bearings) of the existing twelve bearings supporting the steel lattice girder section of the Boston Manor Viaduct. A report was compiled detailing their condition and serviceability.
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