The Category Framework | MMC Categorisation | Toolkit

MMC Categorisation

This definition framework is an output of the UK Government’s MHCLG Joint Industry Working Group on MMC which is tasked with improving stakeholder education and understanding of MMC with particular reference to enabling better access to mortgage finance, insurance and assurance.

The Pre-manufactured Value Estimator will assist public and private clients, contractors and manufacturers to align and meet our sector performance goals.

1

Pre-manufacturing (3D primary structural systems)

2

Pre-manufacturing (2D primary structural systems)

3

Pre-manufacturing components (Non-systemised primary structure)

4

Additive Manufacturing (Structural and non-structural)

5

Pre-manufacturing (Non-structural assemblies & sub-assemblies)

6

Traditional building product led site labour reduction / productivity improvements

7

Site process led site labour reduction / productivity / assurance improvments

1

Pre-manufacturing (3D primary structural systems)

2

Pre-manufacturing (2D primary structural systems)

3

Pre-manufacturing components (Non-systemised primary structure)

4

Additive Manufacturing (Structural and non-structural)

5

Pre-manufacturing (Non-structural assemblies & sub-assemblies)

6

Traditional building product led site labour reduction / productivity improvements

7

Site process led site labour reduction / productivity / assurance improvments

Optimising category by choice by RIBA timeframe

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Decision Making Timeframes

RIBA Stage
Category 1
Category 2
Category 3
Category 4
Category 5
Category 6
Category 7

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Understanding the pre-manufacturing spectrum

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Decision Making Timeframes

RIBA Stage
Full volumetric modules Including fitting out
Hybrid - panellised wall / floor systems - Steel, closed panels timber…
Panellised structural wall / floor systems - steel , closed panel timber, CLT
Pre-manufactured structure Composite cladding system
Pre-manufactured structure Timber / precast
DfMA Led ‘traditional’
‘Traditional build’ Base line

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Pre-manufactured value examples

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