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The full PETP programme was retired and superseded by a new programme, but, at the time, it provided an opportunity to develop a new type of prison environment using a platform based Design for Manufacture and Assembly (DfMA) approach – one whose core purpose was to increase the likelihood of rehabilitation and reduce re-offending rates.This was used in the design of the two prisons being delivered under PETP (HMP Five Wells at Wellingborough and at Glen Parva) and formed the basis for the current capacity programme.
It would do this by:.Putting safety, security and rehabilitation at the heart of prisons.Creating more flexible space for educational, training and rehabilitation outcomes.
The Programme was also a way to build on the Ministry of Justice’s (MoJ) recognised role as innovative leaders in public sector design and construction.The MoJ was, for example, the pathfinder department for Government adoption of Building Information Modelling (BIM) and lean construction.. Standardised solutions.
A key aspect of PETP was to develop standardised solutions at a range of scales that could be deployed across multiple buildings and sites, from components and rooms to entire building types and continues through the new capacity programme(s).
There were many reasons for this approach:.The aim of this project was to produce an automated design tool for a structural building system comprised of a small number of truss assemblies, that could then be mass produced in an automated factory..
The truss system design is an automated, digital workflow which takes client requirements including geometrical constraints and preferred materials, and uses iterative parametric 3D modelling to develop individual truss designs.Structural optimisation and validation are included as part of this process to ensure that the truss meets the required specification.
Once complete, these 3D models become a suite of outputs which can drive further analysis of the wider system.This includes detailed analysis of parts of the assembly process, such as robotic welding cells..