case study: VESUK Merseyside Replacement of a 4500m2 roof (Gillmoss)

Working with Veolia to replace the failing roof at Gillmoss Waste Transfer Station while maintaining operational activities over the busy 2020 Christmas period. This was achieved through the use of a Spanish-designed ‘Walk-on Netting’ system.

Contract Duration: 12 weeks
Client: Veolia ES Merseyside & Halton Ltd
Role: Principal Contractor


Veolia operates a state-of-the-art waste transfer facility minimising waste volumes and transferring non-recyclable waste to a facility that generates green electricity for use by the national grid, thus avoiding landfill and the associated negative environmental impact.

clients brief

The renewal of the roof and structural supporting members, and disused ventilation stacks.

  • CBL developed working methods and phasing to maintain the site’s critical public services, giving maximum protection to the roofing and Veolia operational workforce
  • Sourcing roofing materials from manufactures dedicated to reducing CO2 emission and operating with policies to achieving carbon neutral manufacturing
  • CBL minimised operational disruption and energy inefficiencies
  • Re-designing the roof to maximise natural light and reduce energy use
  • Salvaging 80% of the old roof for recycling
work included
  • Use of a ‘Walk-on Netting’ system to maximise working safety and minimise costly traditional scaffolding and crash-deck
  • Renewal of roof structure
  • Replacement of roof covering
  • Replacement of guttering