OCL ROLE


OCL Group are contracted to install new SER buildings for the Giffen Group. These sites included a complex mass concrete underpin sub base at Edgware Road.

This was to ensure stability of the existing LU retaining wall at Edgware Road. On completion of the permanent “underpin”, OCL cast a new RC base slab for the SER superstructure. Brick and block walls were erected both internal and external. New suspended Comflor installation and penetrations through the Mezzanine and Roof RC slabs. New sub surface drainage diversion inclusive of Manhole chambers and 6m deep soakaway units.

Breakdown of works undertaken on SER projects to date;

  • Carry out all pre surveys, ground surveys , and cat scans of areas
  • Excavate and install new retaining wall foundation supports
  • Install Sub surface and sub platform foundations and supports in confined space
  • Install new RC base slab
  • Install new steel superstructure
  • Install new brick and block façade
  • Install Visqueen membranes
  • Excavate and install a new 150dia drainage route including 6m deep soakaway and EWS
  • Install new RC footpaths
  • Install new RC base slabs (Aldgate, Hammersmith, Edgware)
  • Install Comflor RC mezzanine and roof slabs at Edgware
  • Completion and submission of all required documentation for ITP


Labour Supply & Recruitment




  • Paul Mansell
    OCL have carried out many civils and electrical projects for myself for over the past 10 years within the rail sector. They deliver what is required when needed and are trustworthy therefore I have no problem in recommending them.
    Paul Mansell
    Contracts Director Fourway Communications
  • Lee Goodacre
    I would like to thank all at OCL for a great job carried out by your staff over the 52 hour week end possession at Hockley station. The Pre planning meetings and OCL's early engagement with Braybrook really helped the smooth delivery of this project. A very professional job was done right first time, with no snags, we certainly look forward to using OCL in collaboration on future projects.
    Lee Goodacre
    Managing Director - Braybrook Building and Rail and Contractors
  • Sean Gutsell
    OCL Rail in conjunction with the Giffen Group carried out a number of varied installation projects at Neasden Depot the quality of their work and collaborative approach contributed greatly to the success in delivery of the projects involved with NDUP. I would have no hesitation in recommending OCL Rail for future works.
    Sean Gutsell
    Construction Manager TFL‚ NDUP- SSR Upgrade
  •   Carl Messer
    I have used OCL for over 8 years now not only as a labour agency but also carrying out contracted price work for the Giffen Group, I have always been extremely pleased with not only the efficiency of their service but the quality of their work.
    Carl Messer
    Head of Operations LUL – Giffen Group
  • Lloyd Jenkins
    I have worked with OCL Group on several rail projects. I have been very impressed by their professional, customer orientated approach to all aspects of works. They are a contractor who consistently deliver a high quality end product at a competitive price with attention to detail and I would not hesitate to recommend OCL Group for rail related projects.
    Lloyd Jenkins
    Professional Head of Infrastructure - Old Dalby Test Track