Asset Management Plan - Newcastle City Council

Carriageways Life Cycle PlanTable 14.3.1 Condition Monitors Used to Establish Condition Rating.Rating SubSetCondition Monitor (Defect)PercentageRange(5) (a) Area cracking 25 – 100(b) Longitudinal and/or transverse cracking with 25mm 25 – 100difference between sides(c) Bays / Joints move under traffic 20 – 100(d) Combination of 4(d), 4(e) and 4(f) 25 – 70In addition a number of inspections are undertaken to assess the GovernmentsBest Value Performance Indicators (BVPIs) which are reported annually in theLocal Transport Plan (LTP) Annual Progress Report (APR).BV223 Condition of Principal Roads: gives the percentage of the eligibleprincipal road network where maintenance should be considered, determinedfrom the SCANNER surveys undertaken using a number of preset parameters.BV224(a) Condition of Non-Principal Classified Roads: gives the percentageof the eligible non-principal road network where maintenance should beconsidered, determined from the SCANNER surveys undertaken using a numberof preset parameters.BV224(b) Condition of Unclassified Roads: is derived using the followingcalculation; The proportion of the length of unclassified carriageway surveyed forthe annual indicator for which at least one of the UKPMS Rules and ParametersCondition Index thresholds shown in the table below have been equalled orexceeded, divided by the total length of unclassified carriageway networksurveyed for the annual indicator.Table 14.3.2 UKPMS Condition Index Threshold ValuesCondition IndexThreshold ValueStructural CI 85Edge CI 50Wearing Course CI 60The type and frequency of condition inspection or assessment undertaken foreach road hierarchy is detailed in table 14.3.3.Table 14.3.3 Frequency of Condition Inspections/AssessmentsRoad HierarchyPrincipal RoadsInspection/AssessmentTypeDefelectographSCANNERCoarse Visual Inspection (CVI)GriptesterHighway Inspector conditionassessmentFrequencyEvery 4 yearsAnnuallyAnnuallyAnnually6 Monthly97