Asset Management Plan - Newcastle City Council

Asset Information StrategyInformationRequired:WidthSurfacing MaterialColoured surfacing / anti-skidConstruction dateConstruction materials & thicknessMaintenance HistoryLocation of speed limitsLocation of traffic calming featuresRoad markings associated with TRO’sLocation of cellars under the carriagewayLocation of Highway DrainageCondition of Gullies & Highway Drainage13.2.1 Coverage: 99% of the name, classification and carriageway length isknown, over 90% of the local condition assessment asset information is knownand recorded. Following the video inventory survey undertaken by DCL recordsare now held relating to 30% of the Principal & Classified roads and 20% of theUnclassified roads. A full survey of the gully location and type has beenundertaken by means of both walked and GPS surveys and this has led to thedevelopment of a drainage strategy identifying where improvements are requiredto the capacity of the infrastructure.13.2.2 Records Format: Details that were previously held in hard copy and on alocal access database have now been transferred into the central Symologydatabase.The road name, classification & length information held is referenced to theNational Roads Gazetteer and can be plotted on the local ‘arcview’ GIS mappingsystem. The location accuracy of the information being +/- 1 metre.13.2.3 Last Survey: The last complete survey was undertaken in November2003, the video inventory collection was completed in 2005 and a number oflocal condition surveys are ongoing on a daily basis.13.2.4 Updating Frequency: Inventory information is updated wheneverchanges occur to the network, including information relating to acquisition andrecords of all works undertaken. Condition information is updated via the use ofScanner surveys on all Principal roads annually and on Classified roads biannuallywith CVI’s being undertaken on Principal & Classified roads annually,other roads are surveyed every 3 years. Local condition assessments areundertaken on a monthly basis for strategic routes and City centre roads and ona six monthly basis for all other roads.Table 13.2.1 details the existing asset inventory data available using a number ofcriteria: Coverage – The amount of information available expressed as apercentage of the whole asset.57