KPMG Embodied Carbon Management System

Building Information Modeling (BIM) based platform enabling analysis of embodied carbon footprint

The built environment is responsible for approximately 40 per cent of the total energy related greenhouse gas emissions, of which around 28 per cent is operational carbon and 11 per cent from embodied carbon. While increased use of greener energy sources and increased efficiencies are driving operational carbon reduction, the focus needs to shift to embodied carbon, which is irreversible in nature and is locked in once the capital asset is built.

KPMG Embodied Carbon Management System is a Building Information Modeling (BIM) based platform enabling analysis of embodied carbon footprint for optimisation in capital projects through measurement; multi-scenario analysis by leveraging design strategies for carbon reduction, carbon supply chain tracing; and focusing on carbon hotspots for targeted reductions.

The platform seamlessly integrates the design and supply chain data with a set of repositories containing material emission factors, transportation factors and environmental product declarations by manufacturers to carry out the assessment. The project emissions can then be visualised within the design through carbon hotspots enabling concentrated efforts to reduce emissions. The decision-making process is further aided by alternative and green material suggestions with cost-carbon trade off simulation.

Carbon dashboards derived from the evaluation enable a consolidated at-a-glance view of project carbon KPIs allowing:

Comparison of parametric carbon intensities with industry benchmarks
Visualisation of material-wise supply chain emissions
Optimisation iteration comparison and carbon build up across construction timeline
Cost carbon trade-off.

Key value across the construction life cycle

Investment/ pre-planning

Project investment assessment for carbon ownership
Parametric carbon benchmarking

Design & planning

Carbon hotspots and project carbon critical path
Low carbon design strategies
Alternative materials assessment

Procurement & supply chain

Multi-scenario analysis for lo carbon design
Carbon traceability in supply chain

Construction

Carbon simulation across construction life-cycle
Scope-wise emission analysis

Commissioning & operations handover

As-built carbon modeling
Areas for embodied carbon reduction during O&M

Value unlocking levers

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Removing current inefficiencies

Level 1

Removal of waste/unproductive hours from site operations (idling, unproductive hours etc.)
Lean principles
Last planner system

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Resource augmentation and re-sequence

Level 2

Correcting the supply sequence
Opportunities for parallel works
Increase in labor selectively
Equipment and machinery increase

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Method substitution

Level 3

Substituting methods with faster and lighter alternate
Pre-cast/pre-fab
Partly applicable for current project

construction

Technology and Automation

Level 4

Usage of drones and automated cranes
Robotics and mechanisation
Digital systems for supply chain and logistics

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Re-engineering

Level 5

Re-engineering of specific repeatable items – for reduction of efforts and duration of site operations
Mostly applicable for future projects

Embodied carbon management for global infrastructure

A call for action from the global construction industry

Embodied carbon management for global infrastructure

KPMG Embodied Carbon Management System

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