Deceuninck and Dempsey Dyer have collaborated on the Hinkley Point Campus to provide exemplary window fabrication and offsite installation.
The £50-million Hinkley Point Campus (HPC) is one of the UK’s largest ever single block, modular contracts.
Characterised by complexity, scale, tight deadlines and close media scrutiny, commercial window specialist, Dempsey Dyer has worked closely with leading system’s company Deceuninck to raise the bar in MMC window fabrication and offsite installation. Here, Rob McGlennon, Deceuninck, explains how this innovative approach could change how the industry delivers commercial fenestration.
Responding to the UK’s relentless demand for new housing, the construction sector has been driven over recent years to innovate and develop new commercial solutions that eliminate waste, time and cost and help contend with the skills shortage. This project between Dempsey Dyer, Caledonian Modular and Deceuninck proves how next generation MMC solutions are transforming the way windows and doors are now manufactured and installed. When completed in 2018, HPC will provide 1,496 three-star hotel equivalent, en-suite living spaces across 44 individual buildings. The Workers’ Village will be home over the next 6-7 years to workers building the Hinkley Point C Power Station, the UK’s first nuclear plant in 20 years. At peak construction, 5,600 workers will be on site.
99 PER CENT OFF SITE CONSTRUCTION
The build comprises 44 3-storey multi-section blocks, each block having 13 stacks with six windows per stack. All the units are 99% built at Caledonian Modular’s offsite facility in Nottinghamshire and then transported to Somerset where they are then craned and bolted together and electrical wiring and plumbing is finished. MMC was chosen to facilitate accuracy, consistency, speed of build (each bedroom block is to be completed and delivered to site within six weeks), and also to minimise disruption to Hinkley communities. The windows are fitted correctly into the structure framework and wall systems, so the accommodation blocks are watertight and airtight when they leave the MMC facility.
Deceuninck customer Dempsey Dyer is one of only a handful of PVC window companies in the UK with the technical ability to deliver specialist MMC / EPDM fenestration to modular volumetric applications. This airtight and weathertight installation method sees the window openings created into the structure. The windows are positioned projecting out of the structural opening into the insulation and external finish zones so it is vital that the teams are experienced with EPDM sealants and membranes to maintain air and weather tightness of the building envelope during construction.
THE PROJECT AT A GLANCE
• Fabricator & Installer: Dempsey Dyer
• MMC Contractor: Caledonian Modular
• Main Contractor: Laing O’Rourke
• Client: EDF Energy
• Window Programme: 12 months starting Spring 2017
• 3432 tilt-only windows (Deceuninck 2500 series, anthracite Grey RAL 7016)
• Value £1.75 million
• Off-site full EPDM window installation into modular living spaces before transportation from Midlands factory to HPC in Somerset