Highway Inspections Derby-Books Pdf

Highway Inspections Derby
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1 Introduction 3,2 The Need for Highway Inspections 3. 3 Customer Care 3,4 Purpose of Inspection 4, 5 Responsibility of Staff Undertaking Inspections 4. 6 Training of Highway Inspectors 4,7 Highway Inspections 4. 8 Network Hierarchy 5,9 Method of Inspection 6,10 Health and Safety 6. 11 Information Recorded 7,12 Coverage 8,13 Defect Categorisation 9.
14 Intervention Levels 10,15 Target Response Time 12. 16 Defect Types and Classification 13,1 Introduction. This document is a procedural guide for employees carrying out inspections of Derby City Council s. highway network It only covers highway safety and enquiry inspections. 2 The Need for Highway Inspections, Under Section 41 of the Highways Act 1980 Derby City Council has a statutory duty to maintain a. public highway in a safe manner for all users Neglecting this duty can lead to claims against the. Council for damages resulting from a failure to maintain the highway. Under Section 58 of the Highways Act 1980 the highway authority can use a special defence in. respect of action against it for damages for non repair of the highway if it can prove that it has taken. such care as was reasonable Part of the defence rests upon. Whether the highway authority knew or could have reasonably expected to know that the. condition of the part of the highway to which the action relates was likely to cause danger to users of. the highway, This is where highway authorities have to show that they carry out highway inspections in. accordance with their policies and national guidance Highway inspection reports are part of the. evidence used to show that the highway authority has acted reasonably. Section 58 of the Highways Act 1980 also says,The court shall in particular have regard to.
a The character of the highway and the traffic which was reasonably expected to use it. b The standard of maintenance appropriate for a highway of that character and used by such. c The state of repair in which a reasonable person would have expected to find the highway. The highway authority must also record all customer reports of highway defects however not all. defects which the authority becomes aware of by inspection or customer report need to be. repaired Records from the Atlas Highway Management System are used in evidence to show that. the authority has acted reasonably, Atlas provides a single database for recording and tracking customer enquiries inspection records. defect records works ordering and asset inventory,3 Customer Care Policy. All enquiries are logged into the Public Enquiry Module PEM of Atlas and are actioned in. accordance with the Council s customer care policy The enquiries are forwarded to the relevant. highway inspector for action and reply The reply will be sent to the customer within 10 working. 4 Purpose of Inspection, Inspecting the highway allows the Council to identify and take action to remove those hazards. causing danger to highway users The inspections also help to develop longer term planned. maintenance programmes to help deliver the highway asset management plan. Inspections are undertaken to identify defects that are causing or likely to cause danger or serious. inconvenience This includes defects that require urgent attention within 2 hours as well as those. where the reduced level of severity is such that a longer response time is acceptable or confirm that. no repair is needed,5 Responsibility of Staff Undertaking Inspections. The inspector undertaking the inspection is responsible for the accuracy of both the inspection and. the recorded information In the event of a third party claim they may be required to provide. information relating to the claim and provide statements towards the defence In the event of a. claim litigating that person may have to attend court to substantiate their inspection records. 6 Training of Highway Inspectors, All Highway Inspectors employed by Derby City Council will hold the City Guilds Highway Safety.
Inspection certificate along with any other relevant training identified in the training matrix. 7 Highway Inspections,Highway inspections fall in to two categories. Reactive Inspections,Safety Inspections, Reactive inspections are those that are generated by a report from a highway user and are responded to by. a dedicated Reactive Inspector for a particular area. Safety inspections are carried out at frequencies in the table below The frequencies take into account. national guidelines for the definition of highway type hierarchy and inspection frequencies as issued in the. Code of Practice for Highway Maintenance Management Well Maintained Highways. Feature Category Frequency,Carriageway Strategic Route 1 Month. Main Distributor 1 Month,Secondary Distributor 1 Month. Link Road 3 Months,Local Access Road 6 Months,Footway Prestige Shopping Area 2 Weeks.
Urban Shopping Area 1 Month,Primary Walking Route 1 Month. Secondary Walking Route 3 Months,Link Footway 6 Months. Local Access Footway 6 Months,Public Right of Way Definitive Footpath 12 Months. It may sometimes be necessary to inspect at a higher frequency where there are particular hazards e g a. highway deteriorating quickly or roads being used for a major diversion route. 8 Network Hierarchy, Each part of the network is assigned a hierarchy relating to its importance to transportation and usage The. hierarchy is stored in Atlas Footway hierarchies are different to carriageway hierarchies Therefore in order. to programme safety inspections efficiently the higher category between carriageway and footway is the. one that is used Carriageway and footway hierarchies are shown in the following tables taken from the. National Code of Practice Wee Maintained Highways,Table 2 Carriageway Hierarchy.
Table 3 Footway Hierarchy, The defined inspection frequencies should be maintained in accordance with Table 1 All newly adopted. highways will be added to the inspection routes,9 Method of Inspection. All inspections are carried out as follows,Fortnightly City Centre Shopping Area walked. Monthly driven except for every third month the route will be walked with the exception of. urban shopping areas which are always walked,3 Monthly walked. 6 Monthly walked,12 Monthly Public Rights of Way walked.
Driven inspections are always be carried out by two inspectors in a suitable vehicle and at a speed that. enables defects to be spotted The guidance speed is 25mph although this is not always possible. particularly on unrestricted dual carriageway One inspector will drive and the other will be looking for. defects The driver is not expected to be actively looking for and recording defects. Walked inspections are carried out by one inspector as long as both the carriageway and footway can be. inspected at the same time All roads are to be walked in both directions so that both footways can be. 10 Health and Safety, Inspections must be carried out in a safe manner and in accordance with all appropriate risk assessments. and job safety analysis sheets,Information Recorded. All inspections should be recorded against the relevant network section in Atlas The information can then. be used to contribute to the identification of potential future schemes of planned maintenance The. information recorded for all inspections is,Date and time. Weather conditions, In the event of no defects being found this fact should be recorded. When defects are spotted the following additional information is required. Exact location,Type of defect,Size of repair,Photo Category 1 defects only.
Repair priority, Cat 1 defects should be called through to the office immediately Cat 2 defects should be logged into the. Atlas system within 2 days For enquiry inspectors this is within two days of seeing the defect and for safety. inspectors within two days of completing the relevant inspection area. 11 Coverage, Highway inspections should identify and record defects such as. Potholes cracks and gaps in footways carriageways and cycleways the results of which are likely to. cause danger to the public, Abrupt level differences in in footways carriageways and cycleways the results of which are likely to. cause danger to the public,Debris spillages or contamination of the highway. Damaged broken or displaced kerbs that may cause a danger. Missing or defective ironwork such as gully covers and manhole covers on highway drainage. Missing or defective ironwork and other apparatus belonging to public utility companies These. should be directed to the utility company as soon as possible under Section 81 of the New Roads and. Streetworks Act, Blocked drains standing water water discharging on to or overflowing across the highway if present.
at the time of inspection, Damaged defective displaced or missing traffic signs traffic signals or lighting columns. Badly worn road markings,Defective street furniture. Damaged safety fencing pedestrian guard rail parapet fencing and handrails. Overhanging vegetation causing obstruction to pedestrians or vehicles. Defective utility company reinstatements under the New Roads and Streetworks Act. Damaged overhead wires, Dangerous trees e g dead trees dead branches and obvious signs of disease These should be. reported to the Arboriculture Team, This list is not exhaustive the main issue is to ensure the safety of the general public and to prevent serious. inconvenience to users of the highway,12 Defect Categorisation.
Category 1 Defects, These are defects that require prompt attention because they represent an immediate or imminent hazard. or because there is a risk of short term structural deterioration. These defects should be made safe at the time of the inspection if reasonably practicable In this context. making safe may include displaying warning notices coning off or fencing off to protect the public from the. defect If it is not possible to correct or make safe the defect at the time of the inspection which will. generally be the case repairs of a temporary or permanent nature should be carried out as soon as possible. and in any case within a period of 24 hours There are cases where defects will need to be made safe quicker. than within 24 hours and arrangements are in place to respond within one hour during normal working. hours and within two hours outside normal working hours. Category 2 Defects,Category 2a Defects, These are defects that will become Category 1 defects within three months if not attended to These will be. issued with a 28 working day completion time,Category 2b Defects. These are defects that are likely to become Category 1 defects in 3 12 months time These will be issued on. a 90 working day completion time, If a defect is found below intervention level then the inspector may identify the area for repair However. this will depend on whether the defect is perceived to be hazardous due to its location or whether the. defect will deteriorate by the time of the next inspection Therefore it may not be necessary to identify such. a defect for repair on roads that are inspected on a higher frequency as it will be possible to monitor the. progress of the defect as it approaches or exceeds intervention level. In general response to defects may depend on available funding to undertake such repairs Therefore. operations are planned and programmed in order of priority linking repairs to the network hierarchy. 13 Intervention Levels,Footways Intervention Level is 25mm or greater.
a Footway Modular Trips greater than 25mm,b Footway Modular Rocking greater than 25mm. c Footway Bituminous Change in profile greater than 25mm and extending in plan direction less. than 600mm or a sudden change of greater than 25mm. Carriageway Intervention Level is 40mm or greater, a Carriageway Bituminous or Concrete Change in profile greater then 40mm and extending in plan. direction less than 600mm, b Carriageway Bituminous or Concrete A depression pothole of 40mm or greater in depth and. extending in any one direction greater than 300mm,14 Target Response Time. Target response times are as follows, Cat 1 24 Hour Repair These are defects that require immediate action to be made safe at the.
time of inspection if reasonably practicable In this context making safe. may include displaying warning notices coning off or fencing off to. protect the public from the defect If it is not possible to correct or make. safe the defect at the time of the inspection which will generally be the. case repairs of a temporary or permanent nature should be carried out. as soon as possible and in any case within a period of 24 hours There. are cases where defects will need to be made safe quicker than within. 24 hours and arrangements are in place to respond within one hour. during normal working hours and within two hours outside normal. working hours, Cat 2a 28 Day Repair Repair to be carried out within 28 days of Works Manager receiving. notification, Cat 2b 3 Month Repair Repair to be carried out within 90 days of marking this should enable. work to be grouped together based on highway inspections The repair. of these defects could also be undertaken as part of a planned. maintenance programme, Defect category selection will be based on the inspector s assessment at the time of inspection which should. be based on the following, Overall probability and impact of damage or accident occurrence. Hierarchy and frequency of inspection,The extent of the defect.
The location of the defect relative to other highway features bend junction crossing point etc. The location of the defect relative to other features outside the highway old peoples home doctor s. surgery school etc,The volume of traffic vehicular and pedestrian. Interaction with other defects, Forecast weather condition and the time of year especially considering the potential for freezing. 15 Defect Types and Classification,Carriageways, Defect Cat 1 24 Hour Cat 2a 28 Days Cat 2b 3 Months Notes. Pothole 25mm or deeper As Cat 2b unless Less than 25mm. Depression within a the defect is likely deep within a. Rutting controlled to deteriorate pedestrian,crossing 15mm within 28 days crossing Up to. Sunken Ironwork,in City Centre but not exceeding,inspection areas 40mm deep.
Greater than, Debris spillage or Diesel oil spillage In the case of. contamination any other spillage mud on the road,likely to cause an every effort. immediate hazard should be made,to get the person,who deposited it. to clear it up,Defective Missing or Raised or low Ironworks that. ironworks collapsed covers covers are the,Broken covers if responsibility of a.
defect is greater utility company,than 40mm in should be passed. carriageway or to them under,25mm in the the New Roads. footway or at a and Streetworks,pedestrian Act, Surface water Where excessive As Cat 2b unless Minor discharge Where applicable. discharging across it will require the defect is likely across the serve notice to. the highway signing and to deteriorate carriageway the landowner. guarding within 28 days During winter the,Works Managers. need to be,Longitudinal and Refer to NRSWA,transverse trenches.
Defect Cat 1 24 Hour Cat 2a 28 Days Cat 2b 3 Months Notes. Pothole 25mm deep or As Cat 2b unless Less than 25mm Tree roots seek. greater 15mm in the defect is likely deep advice from Arb. City Centre to deteriorate Section,inspection areas. within 28 days,25mm deep or,greater on, Trip hazard 25mm deep or As Cat 2b unless Less than 25mm Tree roots seek. Rocking greater vertical the defect is likely vertical advice from Arb. slab block movement to deteriorate movement and Section. Tree root damage Open joint cracks,within 28 days open joint cracks. Sunken ironwork 25mm or greater,width less than 25mm. Debris or spillage Diesel oil spillage In the case of. constituting a any other spillage mud on the road,hazard likely to cause an every effort.
immediate hazard,should be made,to get the person,who deposited it. to clear it up,Defective Missing or Raised or low Ironworks that. ironworks collapsed covers covers are the,Broken covers if responsibility of a. defect is greater utility company,than 25mm should be passed. to them under,the New Roads,and Streetworks, Defect Cat 1 24 Hour Cat 2a 28 Days Cat 2b 3 Months Notes.
Damaged Creating a trip As Cat 2b unless Less than 25mm. rocking missing hazard greater the defect is likely. or dislodged than 25mm to deteriorate,kerbs where a risk within 28 days. assessment,substantial risk,within pedestrian,desire lines If. there is not a,substantial risk,within the desire,line the defect. categorised as 2a,or 2b depending,on the level of,.

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