1016654387 2025-SUS-007 Rail Infrastructure Carbon Conventions

RSSB is seeking to procure a research supplier to deliver the project scope detailed in the Work Packages (WPs) detailed in the Project Scope. The Objectives of the RICCs are to:

1. Develop a GB rail specific translation of the ICMS 3 asset taxonomy that maintains full ICMS 3 compatibilities while enabling like-for-like comparison of assessments
2. Develop a proportionate, standardised set of GB-rail asset and works descriptors, together with a simplified uncertainty framework, to enable designers to consistently reuse and interpret past assessments and to clearly understand and communicate the associated levels of uncertainty
3. Establish a set of standardised GB rail component build-ups that make underlying assumptions explicit and consistent, reducing assessor variation and saving time by enabling faster, more efficient early-stage WLCAs
4. Establish a consolidated, GB rail appropriate set of default emission factors that standardises assumptions, reduces assessment variability, and delivers cost and time savings by enabling more consistent and efficient early-stage WLCAs
5. Define consistent, GB rail appropriate lifespan, replacement, and maintenance assumptions to reduce modelling variability and save time and cost by enabling more reliable, efficient early-stage WLCAs
6. Ensure the conventions are, as far as practicable, compatible with existing GB and EU standards and informed by recognised best practice both within rail and across other sectors.

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