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NJUG Position - Overview

NJUG Position - Overview. welcome invitation onto CSS Project Team NJUG’s views have been tabled through the Project respect development of an Algebraic Charging Model simplified Modelling is an obvious approach to take treated as a credible research exercise

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NJUG Position - Overview

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  1. NJUG Position - Overview • welcome invitation onto CSS Project Team • NJUG’s views have been tabled through the Project • respect development of an Algebraic Charging Model • simplified Modelling is an obvious approach to take • treated as a credible research exercise • Project Output could be used as a starting point if: • NRSWA §78 brought forward by Government • TMA Half/Full-Width Resurfacing measures considered by Government CSS - Long Term Performance of Reinstatements - Phase 2

  2. NJUG Position - Concerns [1] Is the Damage Case proven for ALL reinstatements? • Long Term Performance of Reinstatements - Phase 1: • TRL Final Report - up to 30% of surface defects may lead to deterioration • DfT Response to Transport Committee’s Report on Local Roads and Pathways - not convinced at this stage to activate §78 • So, should a 0.3 multiplier be applied to the conclusions? • Only 20 or so US/Canadian Cities - selective? • no Damages in New York City • no Damages in New York State (~57 Counties) CSS - Long Term Performance of Reinstatements - Phase 2

  3. NJUG Position - Concerns [2] The algebraic components - should they always apply? • Condition of Roads: • is it appropriate to average UKPMS data for ALL Highway Authorities? • very Limited UKPMS data on Road Categories 3 and 4 • these will vary in every Highway Authority CSS - Long Term Performance of Reinstatements - Phase 2

  4. NJUG Position - Concerns [3] • Extent of Reinstatement in each Road Category: • Is Halcrow data representative of the next year’s cross-Utility activity • Is it safe to extrapolate linearly over 40 years • Reduction in Carriageway/Footway Life: • 1 year, 2 years, 6 months - how can this be verified by Utilities? CSS - Long Term Performance of Reinstatements - Phase 2

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