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HMP Winchester, Winchester
Cost, time, quality: A model of ‘Lean Construction’
Client: Ministry of Justice Custodial Property
Project: Demolition and re-construction of prison accommodation block
The demolition and re-construction of the ‘life expired’ Victorian C Wing at HMP Winchester took place inside the secured perimeter of a live prison – a UK first.
- The project was completed five weeks early and £800,000 under budget.
- No reportable accidents
- 99% of the demolished wing was recycled
- The new building achieved a BREEAM ‘Excellent’ rating – another first for an HMP accommodation block.
Stakeholder consultation was integrated across the design process, resulting in a design solution that provides 300m2 of extra ancillary space, set out in a way to benefit the existing accommodation wings. Our supply chain maximized construction off site, making final installation much quicker and easier.
To support the drive for continual improvement, the client deployed a new ‘Lean Construction’ programming technique, focusing the project team on completing critical activities on time and reducing waste, delivering on cost, time and quality. This was seen as key in the early completion and handover.
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