Asset Management Plan - Newcastle City Council

Carriageways Life Cycle PlanTable 14.6.2 Planned Carriageway Maintenance ActivitiesTreatmenttypeCommentsAnticipated frequencyyearsMajor Patching A large number of patch repairs or anumber of very large patches in a discretearea.Surface Dressing Application of a bituminous emulsion to thecarriageway upon which one or more layersof stone chippings are applied.Haunching Major repairs to the edge of thecarriageway.OverlayAddition of new surfacing materials on topof existing construction.Resurfacing (Inlay) Removal of existing surfacing materials,surface & binder courses, and replacementwith new.Reconstruction Removal of existing carriagewayconstruction, full or partial depth, andreplacement with new.Refurbishment of Replacement of all or part of a drainagedrainage systemsHigh friction (Antiskid)surfacingrun, or chamber.Application of high friction surfacing toimprove skid resistance.Principal Classified Unclass10 15 22N/A 7 1015 20 3012 18 2512 18 2525 40 6050 50 505 7 10These frequencies may of course differ for roads of different traffic loadings forinstance a little used cul-de-sac should require less frequent maintenance than amajor arterial route.14.6.3 Creation/Acquisition/UpgradingCreation/Acquisition/Upgrading is major work that creates a new asset that didnot previously exist, or works that upgrade or improve an asset beyond itsexisting design capacity. Examples of Creation, Acquisition & Upgradingactivities are detailed in table 14.6.3 with a programme of possible future worksdetailed in table 14.6.4.Table 14.6.3 Creation, Acquisition & UpgradingActivityCreationAcquisitionUpgradingCarriageway wideningJunction layoutimprovementCarriagewayExplanationAlthough it is very unusual to have a new carriageway asset created it doesoccur where a new route is required, where an existing substandardcarriageway needs replacing, or where additional drainage systems arerequired.Acquisition of carriageways is normally associated with the taking up ofmaintenance responsibilities following new developments, this is normallymanaged by the development control team using Section.38 or 106 legalagreements, or through the private streetworks procedure.A number of upgrading activities, which may take place to improve theexisting stock condition, are detailed below.Construction of additional carriageway space adjacent to an existing road inorder to cope with the traffic flows.Introduction of roundabouts or traffic lights, with associated kerb andcarriageway realignment.Strengthening of an existing carriageway in order to cope with increased105