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1. Recorded for any part of the surface course including the wheel tracks and areas of reinstatement October 2009 UKPMS Manual_02_07v09 doc Page 30 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI f Pavement Condition Information Systems Bituminous Cattiageways CVI Transverse Reflection Cracking BTCK TATA A GAH TiO aN OE aS Ar Definition Single or multiple transverse cracks at regular spacing Notes Only record transverse cracks where the road exhibits similarities to covered concrete October 2009 UKPMS Manual_02_07v09 doc Page 31 of Chapter 7 J Pavement Condition Information Systems the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI Defect Code BWTR Recorded As Length in Metres No of Lanes Affected Definition Depressions of the surface course greater than 13mm in the vehicle wheel paths relative to the remainder of the surface course Notes For measurement purposes the minimum defect length should be taken as 1m Preferably assess by machine If this is unavailable assess visually and check using a 2m straight edge and calibrated wedge October 2009 UKPMS Manual_02_07v09 doc Page 32 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collec
2. NOTES CVI Wheel Wide single cracking or multiple cracking coarse crazing with BCKJ Length in Metres For measurement purposes the minimum Track Cracking visible crack width gt 2mm within the Wheel tracks He of a defect length should be taken as 1m ecte Recorded for the wheel tracks including areas of reinstatement A wide crack is defined as one with a width of approximately 2mm or greater Wearing Course shall also be recorded CVI Wearing Loss of material other than surface applied chippings from BFEJ Lateral Extent Recorded for any part of the surface course including the wheel tracks and areas of Course the surface course or pot holing to the degree that the reinstatement Cracking recorded for this defect which occur in the wheelpath shall also be recorded as Wheel Track Cracking Deterioration original surface course is no longer discernible OR loss of material from the surface matrix to a depth greater than 20mm Also including cracking gt 2mm CVI Surface Any or all of BSDE Lateral Extent Recorded for any part of the surface course Deterioration 1 Extensive loss of surface applied chippings with less than including the wheel tracks and areas of two thirds of chippings remaining reinstatement Minor cracking minor chip loss 2 The appearance of bituminous binder in the surface and minor fatting are not recorded in CVI course such that the friction material is flush or covered o 3 Loss of material to the degree t
3. parked cars or the execution of a partial survey October 2009 UKPMS Manual_02_07v09 doc Page 17 of Chapter 7 j gt Cis y the ukpms user manual avement Condition Information Systems ww Volume 2 Visual Data Collection for UKPMS Chapter 7 Coarse Visual Inspection CVI Block Carriageway DEFECT DEFINITION CODE RECORDED AS NOTES Major Block Depression settlement or subsidence resulting KBLD Lateral Extent Recorded for any part of the surface course Deterioration in a difference in level of 13mm or greater This including the wheel tracks and areas of will include patches or public utility hitler eels ee reinstatements where the footway has heaved a Oboe aa ve ualntin fect h shoul k 1m for example due to tree roots Rocking blocks or defect length should be taken as 1m missing blocks have no depressions or vertical projections For measurement purposes the minimum defect length should be taken as 1m greater than 13mm Not Defective The feature is present but free from defects KNUS Length For measurement purposes the minimum defect length should be taken as 1m Not assessed The feature is present but not assessed This KNNA Length For measurement purposes the minimum may occur due to the presence of road works or defect length should be taken as 1m parked cars or the execution of a partial survey Minor Block Areas where the pattern of blocks has been KBLN Lateral Extent Recorded for any part of the su
4. the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI Kerb Deterioration Detect Description Defect Code pepe a Recorded As Length Affected 7 Definition NJ Disintegration or loss of material from the vertical or horizontal surfaces of the kerb excluding chips and spalls less than 25mm in any two directions Misalignment or displacement of kerbs by more than 50mm in a horizontal or vertical direction Notes For measurement purposes the minimum defect length should be taken as 1m October 2009 UKPMS Manual_02_07v09 doc Page 68 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI Reb f Pavement Condition Information Systems Definition Lengths where the vertical height of the kerb falls below 75mm where the kerb is adjacent to the footway and below 25mm in other locations For measurement purposes the minimum defect length should be taken as 1m October 2009 UKPMS Manual_02_07v09 doc Page 69 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI f Pavement Condition Information Systems Kerb Defect Desctiption Not Defective Defect Code AUTS Recorded As Length The feature is kA but free from defects Notes For measurement purposes the minimum S
5. Volume 2 Visual Data Collection for UKPMS Chapter 7 Coarse Visual Inspection CVI g Pavement Condition Information Systems Contents SECTION 1 COARSE VISUAL INSPECTION SURVEYS esrssescicsseseieriresisesisrovevsse 4 1 OTERA E 21a e AE N AEA E EE E E EE E E E E 4 2 Overview or CVI Survey POCO aniei Terror Trn Te AEA 4 3 CVIT D O a a E EE A EEA E TE ere ey 6 4 CT TiS Te aS ace cases E te ceestn ten E tice catpatenssey eeeseencsan antes 6 5 CON PCO TAr TOE irre atti EA E E ei ate T OE 7 6 OG Bice BO E cere eee rer et ren rene rere eee rer ete ete rr eee eer 8 7 BE Meera GAYA Is baie cee ence emcee ert errr cer me ter eter ee ten er eer eer rere 9 8 Collecion of Wheel Track ROUNO eee er ee tee ee ee Te rrr 10 9 Rules for Post Processing CVI Surveys and Converting to HMDIF sesei 11 10 Frequently Asked QuestionS sesesesessssssssssesesesesesesesesesssssrsesssssssseseseses eses es esang en 13 SECHNON VIDEFEGFILIS TING croesia Cre A N 15 Bituminous CarriageWway eesesesersesersesrseeniseenesenreseueesrueeniseenesennesensesereesiseeniserneser N eee Maa ase 15 Ba an E A a CA 18 Goe O E E E A A SE acto SO 19 Bituminous Footway Cycletrack Verge sens sesssesessnsesessresressrreesrrerf erresen Nested csanteacmtaninensnens 22 Block Footway Cycletrack Vetge sseessessesessresreesrreessrenesnrr repam Maer Pcie ie ies 23 Block Footway Cyclettack V ec Enan A eee 23 Concrete Footway Cycletrack Vertge snseseeseeeeeene ee
6. 40 Partial extent e gt 40 General extent Note that it is permissible to combine defect lengths into a longer length where the resulting 20m lengths all have the same extents Frequently Asked Questions Can CVI defects that are very close together be combined If there is a gap of 2 metres or less between CVI defects then they should be combined Can I use the Full XSP Method for CVI Surveys The Full XSP method is not recommended since it is generally too detailed for the coarse survey and requires additional effort for limited benefit Nonetheless Full XSP CVI surveys are permitted and there are some sections where such an approach is of value particularly where lane specific treatments may be carried out ot where there are complex layouts with multiple footpaths and or cycle paths What is the minimum defect extent to be recorded Single What is the minimum defect Length to be recorded 1m Can CVI Sutveys be carried out on foot CVI surveys may be carried out on foot in urban locations where driven surveys are impractical or where the features that are being inspected cannot be seen from a vehicle for example because of parked vehicles It is important to remember that the survey should be carried out using exactly the same procedure as the driven sutvey in particular be careful not to record some of the minor instances of defects that are not included in a CVI because they cannot be easily observed from a mov
7. Currently either laser or ultrasonic techniques are acceptable for the purpose of measuring rut depth providing the equipment can be shown to be calibrated to 2mm accuracy in recording processing a depression rut The number of transverse readings taken along the road may be variable but should be at least 1 every 2m In practice due to the widespread availability of SCANNER surveys vehicles machine measutements of rut depth are likely to be made by SCANNER accredited vehicles Further details are given in the SCANNER User Guide and Specification available on the PCIS website Reference should be made to the most recent version currently 2009 October 2009 UKPMS Manual_02_07v09 doc Page 10 of Chapter 7 peen cis kiN the ukpms user manual gt Sonditien telameeation Sexe Volume 2 Visual Data Collection for UKPMS Chapter 7 Coarse Visual Inspection CVI 9 Rules for Post Processing CVI Surveys and Converting to HMDIF The CVI survey procedure is designed to enable defects to be loaded using an approach which is practical for data collection from a slowly driven vehicle Before loading this information into UKPMS the CVI data as collected must be converted to standard UKPMS extent codes Local Partial and General The conversion process is based upon creating 20m defect lengths 20m being chosen for compatibility with the DVI survey which uses 20m aggregation lengths as the default option over which the length
8. F Y V CNA The first letter of the code denotes the feature for Footways F Cycletracks C and Verges V Length gee Pete Footpath closed Definition The feature is present but not assessed This may occur due to the presence of road works or parked cars or the execution of a partial survey For measurement purposes the minimum defect length should be taken as 1m October 2009 UKPMS Manual_02_07v09 doc Page 63 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI f Pavement Condition Information Systems Flagged Footway Cycletrack Verge mane naa F Y V FMD MICE CORE The first letter of the code denotes the feature for Footways F Cycletracks C and Verges V Flags which are cracked or un cracked and have depressions local settlement subsidence or vertical projections greater than 13mm Notes For measurement purposes the minimum defect leneth should be taken as 1m October 2009 UKPMS Manual_02_07v09 doc Page 64 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI J Pavement Condition Information Systems Flagged Footway Cycletrack Verge Defect Descriptio a Minor Flagged Deterioration F Y V END The first letter of the code denotes the feature for Footways F Cycletracks C and Verges V Definition Flags which a
9. UKPMS Chapter 9 Coarse Visual Inspection CVI f Pavement Condition Information Systems Bituminous Footway Cycletrack Verge Defect Description Not Defective F Y V BTS Defect Code The first letter of the code denotes the feature for Footways F Cycletracks C and Verges V p a Definition The feature is present but free from defects Notes For measurement purposes the minimum defect length should be taken as 1m October 2009 UKPMS Manual_02_07v09 doc Page 54 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI Bituminous Footway Cycletrack Verge F Y V BNA The first letter of the code denotes the feature for Footways F Cycletracks C and Verges V id rg o i a Pra i 5 J Pavement Condition Information Systems io Footpath closed Definition The feature is present but not assessed This may occur due to the presence of road works or parked cars or the execution of a partial survey For measurement purposes the minimum defect length should be taken as 1m October 2009 UKPMS Manual_02_07v09 doc Page 55 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI f Pavement Condition Information Systems Block Footway Cycletrack Verge Defect Descriptio a Major Block Deterioration F Y V KMD Defect Code The first l
10. as described in Table 4 October 2009 UKPMS Manual_02_07v09 doc Page 11 of Chapter 7 the ukpms user manual ab Volume 2 Visual Data Collection for UKPMS Chapter 7 Coarse Visual Inspection CVI The process for converting the raw defects is first to divide the section up into 20m sub sections except at the end of the section where a shorter sub section may be produced The quantity of the defect within each subsection is then expressed as a percentage using the conversion in Table 4 Detect Type Attributes Conversion Length Start Chainage The total length of the defect within the subsection Defects End Chainage expressed as a percentage of the sub section length XSP Total Length End Chainage Start Chainage for that part of the defect lying within the subsection Lane Length Start Chainage The total lane length of the defect within the sub section Defects End Chainage expressed as a percentage of the sub section lane length XSP Total Length within Sub Section X End Chainage Start No of Lanes Chainage x number of lanes affected for that part of the Affected defect lying within the sub section Note that the number of lanes must be recorded at the start of each section for surveys using Minimal XSP codes For surveys using Full XSP codes the number of lanes 1s not required as this will always be 1 for each XSP Count Start Chainage The total number of each defect within the sub section Defects End Chainage multiplied b
11. ir eh ae Definition Defective longitudinal joint seal and or loss of sealant Typical types of damage include stripping of joint sealant extrusion of joint sealant weed growth hardening of the sealant and loss of bond to slab edges Notes For measurement purposes the minimum defect leneth should be taken as 1m UKPMS requires joint inventory for processing of this defect October 2009 UKPMS Manual_02_07v09 doc Page 47 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI f Pavement Condition Information Systems Concrete Cattiageway Defect Desctiption CVI Defective Surface Dressing NDSU Stripping fretting or chip loss in surface dressing thin Definition bituminous overlays or high friction surfacing Notes Bituminous overlays greater than 20mm would be inspected as covered concrete October 2009 UKPMS Manual_02_07v09 doc Page 48 of Chapter 7 avement Condition Information Systems the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI cis Concrete Cattlageway Defect Description CVI Bituminous Patching Detect Code NPTH Bituminou Definition pavement other than those at a longitudinal or transverse joint Notes Defects in permanent patches and reinstatements are recorded as for un patched areas Local policy an
12. may differ from a driven CVI survey A walked survey tends to be more detailed because the surveyor has the opportunity to consider the defect and its extent more carefully and to record it more precisely October 2009 UKPMS Manual_02_07v09 doc Page 9 of Chapter 7 l p cis kiN the ukpms user manual neen Comia bihaan iners Volume 2 Visual Data Collection for UKPMS Chapter 7 Coarse Visual Inspection CVI 8 Collection of Wheel Track Rutting It is recommended that for driven CVI surveys wheel track rutting should not be assessed visually but that the CVI survey is augmented by machine collected rut data 8 1 Treatment of Machine Collected Rutting in Conjunction with CVI Surveys The recommended approach to the collection of wheel track rutting is to use a machine based technique In order to accommodate this as an alternative to the visual assessment of rutting a new survey type has been created Machine Collected Rutting for CVI CRUT This has a single defect that must be created externally When carrying out an Automatic Pass for example to produce a Performance Indicator the appropriate Rutting Survey type must be selected in conjunction with the associated visual survey type The rules for creating CRUT surveys are as follows 7 Calculated as the percentage of a 20m length except at the end of a section where a shorter sub section may be produced with Rutting gt 13mm in either or both of the wheel tracks 7
13. recommended that a vehicle such as a van with a reasonably high cabin position and with a short or no bonnet is used for the survey in order that the inspector can view the road downwards rather than a long way ahead Experience has shown that the lower sitting position in cars and similar vehicles is less suited October 2009 UKPMS Manual_02_07v09 doc Page 4 of Chapter 7 cis 8 avement Condition Information Systems the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 7 Coarse Visual Inspection CVI for use in this survey since it is more difficult to discern defects from this viewpoint A CVI survey would normally be carried out in one direction as a single pass with the defects being recorded over the full width of the highway Where this is not possible then the CVI survey should be undertaken in both directions with the defects being recorded up to the road centre In this case Data Capture Device DCD software should then combine the data from both directions in the single forward direction The survey will normally be carried out using a DCD that has been configured to collect data to the standard method documented here and that is able to output data to the format described in the appendices to this document Paper recording is not recommended except as part of training exercise or on a small network where the expense of data capture devices and software would not be justified by the higher
14. tig tite ccsseseesoesesseseseeseeseneesenees 24 Flagged Molene NGA Gio ciav lee mig or men rer enter Tn Tre Cnet lreenrnennToterns teres tere Teen 25 EEE a e E et et ct ait ee mmc ne eee errr et 26 SECTION 3 CVI DEFECT DEFINITIONS AND PHOTOGRAPHS ee 27 October 2009 UKPMS Manual_02_07v09 doc Page 3 of Chapter 7 pen cis kiN the ukpms user manual gt Sondico kimanier Zoe Volume 2 Visual Data Collection for UKPMS Chapter 7 Coarse Visual Inspection CVI SECTION 1 COARSE VISUAL INSPECTION SURVEYS 1 Introduction The Coarse Visual Inspection CVI Survey is a chainage related survey which will generally be undertaken from a slow moving vehicle where traffic conditions and safety considerations permit Footways and cycleways adjacent to the carriageway may be inspected at the same time as the carriageway itself or could be assessed separately if desired In urban areas where vehicles are parked continuously at the roadside it will generally be necessary to inspect the footways on foot It is recommended that rut depth which is difficult to collect reliably by eye from a moving vehicle be recorded by a complementary machine survey The defects collected during a CVI survey are variable chainage related i e the lengths of a feature which are affected by a defect are defined by the actual start and end chainages recorded The CVI is also section related which means that for any given defect the maximum defect length tha
15. ECT DEFINITIONS AND PHOTOGRAPHS J Pavement Condition Information Systems Bituminous Cattiageways Definition Wide single cracking or multiple cracking coarse crazing with visible crack width gt 2mm within the wheel tracks Notes For measurement purposes the minimum defect length should be taken as 1m Recorded for the wheel tracks including areas of reinstatement A wide crack is defined as one with a width of approximately 2mm or ereater Wearing Course shall also be recorded October 2009 UKPMS Manual_02_07v09 doc Page 27 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI f Pavement Condition Information Systems Bituminous Cattiageways Defect Desctiption CVI Wearing Course Deterioration Defect Code BFEJ Recorded As Lateral Extent Definition Loss of material other than surface applied chippings from the surface course or pot holing to the degree that the original surface course is no longer discernible OR loss of material from the surface matrix to a depth greater than 20mm Also including cracking gt 2mm Notes Recorded for any part of the surface course including the wheel tracks and areas of reinstatement Cracking recorded for this defect which occur in the wheelpath shall also be recorded as Wheel Track Cracking October 2009 UKPMS Manual_02_07v09 doc Page 28 of Chapter 7 the ukpms user manual Volume 2 Vis
16. Patching at transverse joint CVI Settlement Settlement resulting in a variation in level of NSTM Lateral Extent Includes both settlement within a single bay 50mm or more and settlement of a number of bays on jointed October 2009 UKPMS Manual_02_07v09 doc Page 19 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 7 Coarse Visual Inspection CVI F Pavement Condition Information Systems _ Concrete Carriageway CONTINUED DEFECT DEFINITION CODE RECORDED AS NOTES CVI Transverse Defective Seal CVI Longitudinal Joint Defectiveness CVI Longitudinal Defective Seal Defective transverse joint seal and or loss of sealant Typical types of damage include stripping of joint sealant extrusion of joint seal weed growth hardening of the filler and loss of bond to slab edges Any or all of Difference in level between slabs of 15mm or greater Evidence of pumping Evidence of dynamic movement Loss of material from the joint edge Cracking within 500mm of the joint Opening of longitudinal joints greater than 15mm Patching at longitudinal joint Defective longitudinal joint seal and or loss of sealant Typical tyoes of damage include Stripping of joint sealant extrusion of joint sealant weed growth hardening of the sealant and loss of bond to slab edges UKPMS Manual_02_07v09 doc NJDF Length NDLS Length Typical types of damage include stripping of joint
17. cis Pavement Condition Information Systems the ukoms user manual Volume 2 Visual Data Collection for UKPMS Chapter 7 Coarse Visual Inspection CVI the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 7 Coarse Visual Inspection CVI k Pavement Condition Information Systems Document Information Title Sub Title The UKPMS User Manual Volume 2 Visual Data Collection for UKPMS Coo toc CCNI James Wallis This chapter describes the UKPMS Coarse Visual Inspection CVD Document History Version Author Da Changes from Previous Version No First draft for internal review First released version incorporates comments from the Visual Survey Sub Group and the new document style E 30 06 06 Final version for proof readin E JW Updates for new Inspector accreditation with recommendations from the UKPMS Visual Survey sub Group July 2006 Incorporating changes since 2007 Sept 2009 Issued for external review Oct 2009 Revised following review KAG A soe to section 9 to be incorporated in version P ME i Final for release Hee M OMe Note and question added to clarify patching at joints PCIS Support Contractor TRL Crowthorne House Nine Mile Ride Wokingham Berkshire RG40 3GA www peis org uk Email support Qukpms com Phone 44 0 1344 770480 Fax 44 0 1344 770356 October 2009 UKPMS Manual_02_07v09 doc Page 2 of Chapter 7 the ukpms user manual
18. d practice in respect of routine maintenance and public utility reinstatement will determine the circumstances under which bituminous patching is recorded October 2009 UKPMS Manual_02_07v09 doc Page 49 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI f Pavement Condition Information Systems Concrete Cattiageway Detect Description Defect Code Recotded As The feature is present but free from defects Notes For measurement purposes the minimum defect leneth should be taken as 1m October 2009 UKPMS Manual_02_07v09 doc Page 50 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI f Pavement Condition Information Systems Concrete Cattiageway Not Assessed NNOA Definition The feature is present but not assessed This may occur due to the presence of road works or parked cars or the execution of a partial survey For measurement purposes the minimum defect length should be taken as 1m October 2009 UKPMS Manual_02_07v09 doc Page 51 of Chapter 7 J Pavement Condition Information Systems Detect Description Detect Code Recorded As Definition Notes UKPMS Manual_02_07v09 doc Multiple cracking coarse crazing occurring in any part of the the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coars
19. e Visual Inspection CVI Major Bituminous Deterioration F Y V BMD The first letter of the code denotes the feature for Footways F Cycletracks C and Verges V Length i T E A ibe gin Bi r X i Yi i i zE oe Eee eee E a a e a e aia dae i aga Aiu daa E Ui Po 1 nS e Aces PT a nt ee i a eal er oe ee a Pains tke iste a ee surface course including reinstatements Loss of material Settlement or subsidence Isolated spot defects such as vertical projections or trips exceeding 13mm Areas of ponding and depressions For measurement purposes the minimum defect length should be taken as 1m October 2009 Page 52 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI f Pavement Condition Information Systems Bituminous Footway Cycletrack Verge ia F Y V BND MICE CORE The first letter of the code denotes the feature for Footways F Cycletracks C and Verges V ee et ae al Definition Fine cracking or crazing less than 2mm in width Loss of material other than surface applied chippings from the surface course where the original surface course remains discernible For measurement purposes the minimum defect length should be taken as 1m October 2009 UKPMS Manual_02_07v09 doc Page 53 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for
20. e road exhibits similarities to covered concrete For measurement purposes the minimum defect length should be taken as 1m Preferably assess by machine If this is unavailable assess visually and check using a 2m straight edge and calibrated wedge For measurement purposes the minimum defect length should be taken as 1m Where cracking or fretting extends beyond the carriageway edge they will also be recorded as whole carriageway defects October 2009 Page 16 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 7 Coarse Visual Inspection CVI pcis 8 avement Condition Information Systems Bituminous Carriageway CONTINUED DEFECT DEFINITION CODE RECORDED AS NOTES Right Recorded CVI Major cracking fretting or deformation confined BRED Length Affected For measurement purposes the minimum Edge Deterioration to the left edge of the carriageway where no defect length should be taken as 1m Where edge restraint is present i e Kerb or Channel cracking or fretting extends beyond the carriageway edge they will also be recorded as whole carriageway defects Not Defective The feature is present but free from defects BUTS Length For measurement purposes the minimum defect length should be taken as 1m Not Assessed The feature is present but not assessed This BNAS Length For measurement purposes the minimum may occur due to the presence of road works or defect length should be taken as 1m
21. ed cars or the execution of a partial survey The first letter of the code denotes the feature for Footways F Cycletracks C and Verges V October 2009 UKPMS Manual_02_07v09 doc Page 24 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 7 Coarse Visual Inspection CVI pcis 8 avement Condition Information Systems Flagged Footway Cycletrack Verge DEFECT DEFINITION CODE RECORDED AS NOTES Major Flagged Flags which are cracked or un cracked and have F Y V FMD Length For measurement purposes the minimum Deterioration depressions local settlement subsidence or defect length should be taken as 1m vertical projections greater than 13mm Minor Flagged Flags which are cracked but have no F Y V FND Length For measurement purposes the minimum Deterioration depressions or vertical projections greater than defect length should be taken as 1m 13mm Not Defective The feature is present but free from defects F Y V FTS Length For measurement purposes the minimum defect length should be taken as 1m Not assessed The feature is present but not assessed This F Y V FNA Length For measurement purposes the minimum may occur due to the presence of road works or defect length should be taken as 1m parked cars or the execution of a partial survey The first letter of the code denotes the feature for Footways F Cycletracks C and Verges V Octobe
22. eme ae O O length should be taken as 1m October 2009 UKPMS Manual_02_07v09 doc Page 70 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI Kerb J Pavement Condition Information Systems Footpath closed Definition The feature is present but not assessed This may occur due to thepresence of road works or parked cars or the execution of a partial survey For measurement purposes the minimum defect length should be taken as 1m October 2009 UKPMS Manual_02_07v09 doc Page 71 of Chapter 7
23. etter of the code denotes the feature for Footways F Cycletracks C and Verges V Definition Missing blocks or cracked or un cracked blocks associated with gradual depressions or vertical projections greater than 13mm For measurement purposes the minimum defect length should be taken as 1m October 2009 UKPMS Manual_02_07v09 doc Page 56 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI f Pavement Condition Information Systems Block Footway Cycletrack Verge Defect Description Minor Block Deterioration F Y V KND Detect Code The first letter of the code denotes the feature for Footways F Cycletracks C and Verges V Definition Blocks which are cracked spalled or otherwise damaged but have no depressions or vertical projections greater than 13mm For measurement purposes the minimum defect length should be taken as 1m October 2009 UKPMS Manual_02_07v09 doc Page 57 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI J Pavement Condition Information Systems Block Footway Cycletrack Verge F Y V KTS MICE CORE The first letter of the code denotes the feature for Footways F Cycletracks C and Verges V i D a f Ta r r ER i 7 A ig i i The feature is present but free from defects Notes For measurement p
24. hatthe original surface surveys since these defects are difficult to course is still discernible OR loss of material from the discern from a moving vehicle surface matrix to a depth less than 20mm October 2009 UKPMS Manual_02_07v09 doc Page 15 of Chapter 7 pcis 8 avement Condition Information Systems Bituminous Carriageway CONTINUED DEFECT DEFINITION CVI Settlement Subsidence Local settlement or subsidence producing a difference in level greater than 30mm This will include patches or public utility reinstatements and areas where the carriageway has heaved for example due to tree roots CVI Rutting 13mm in the vehicle wheel paths relative to the remainder of the surface course Y in Metres No of Lanes Affected Major cracking fretting or deformation confined to the BLED Length Affected left edge of the carriageway where no edge restraint is present i e Kerb or Channel Left Recorded CVI Edge Deterioration UKPMS Manual_02_07v09 doc ETC ORDED A AS Sind ES FOD Aaa Extent CVI Single or multiple transverse cracks at regular BTCK NoN Transverse Reflection spacing Cracking Depressions of the surface course greater than the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 7 Coarse Visual Inspection CVI NOTES Recorded for any part of the surface course including the wheel tracks and areas of reinstatement Only record transverse cracks where th
25. his may occur due to the presence of road works or parked cars or the execution of a partial survey For measurement purposes the minimum defect length should be taken as 1m October 2009 UKPMS Manual_02_07v09 doc Page 40 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI f Pavement Condition Information Systems Concrete Cattiageway Defect Desctiption CVI Concrete Cracking Defect Code AORA Recorded As Definition or a joint including cracking associated with ironwork and cracking in permanent concrete patches and reinstatements Notes For measurement purposes the minimum defect length should be taken as 1m October 2009 UKPMS Manual_02_07v09 doc Page 41 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI f Pavement Condition Information Systems Concrete Cattiageway Defect Desctiptio a CVI Concrete Surface Deterioration Detect Code NSCR Definition Loss of material from the surface of the concrete slab including scaling punch outs pop outs and potholes but excluding joint or crack spalling Also includes loss of texture For measurement purposes the minimum defect length should be taken as 1m October 2009 UKPMS Manual_02_07v09 doc Page 42 of Chapter 7 wa J Pavement Condition Information Systems the ukpms user manual Volume 2 Vis
26. ing vehicle Does an edge defect exist if there is an edge restraint i e kerb or channel No Refer to Chapter 1 Overview of Visual Data Collection of Volume 2 of this UKPMS User Manual What are the requirements for audit on a CVI Survey Refer to Chapter 4 QA amp Audit of Volume 2 of this UKPMS User Manual October 2009 UKPMS Manual_02_07v09 doc Page 13 of Chapter 7 gt C a S 3 the ukpms user manual een Comi bihannan iers Volume 2 Visual Data Collection for UKPMS Chapter 7 Coarse Visual Inspection CVI Q8 Are grass verges included as features in UKPMS Grass Verges are not included in the standard UKPMS rule set however if a grassed verge does exist then consideration shall be given to its XSP when surveying paved areas Q9 If a bituminous patch exists at a transverse or longitudinal joint how is it to be recorded If a bituminous patch touches a joint it should be recorded as Joint Defectiveness within 1m of the joint Outside of 1m it should be recorded as bituminous patching If the patch does not touch the joint it should be recorded as Joint Detectiveness only within 0 5m of the joint October 2009 UKPMS Manual_02_07v09 doc Page 14 of Chapter 7 j gt q 4 S the ukpms user manual avement Condition Information Systems Volume 2 Visual Data Collection for UKPMS Chapter 7 Coarse Visual Inspection CVI SECTION 2 CVI DEFECT LISTING Bituminous Carriageway DEFECT DEFINITION CODE RECORDED AS
27. inimum defect length should be taken as 1m Not assessed The feature is present but not assessed This F Y V BNA Length For measurement purposes the minimum may occur due to the presence of road works or defect length should be taken as 1m parked cars or the execution of a partial survey The first letter of the code denotes the feature for Footways F Cycletracks C and Verges V October 2009 UKPMS Manual_02_07v09 doc Page 22 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 7 Coarse Visual Inspection CVI pcis 8 avement Condition Information Systems Block Footway Cycletrack Verge DEFECT DEFINITION CODE RECORDED AS NOTES Major Block Missing blocks or cracked or un cracked blocks F Y V KMD Length For measurement purposes the minimum Deterioration associated with gradual depressions or vertical defect length should be taken as 1m projections greater than 13mm Minor Block Blocks which are cracked spalled or otherwise F Y V KND Length For measurement purposes the minimum Deterioration damaged but have no depressions or vertical defect length should be taken as 1m projections greater than 13mm Not Defective The feature is present but free from defects F Y V KTS Length For measurement purposes the minimum defect length should be taken as 1m Not assessed The feature is present but not assessed This F Y V KNA Length For measurement purpose
28. oc Page 60 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI f Pavement Condition Information Systems Concrete Footway Cycletrack Verge Defect Descriptio a Minor Concrete Deterioration F Y V CND Defect Code The first letter of the code denotes the feature for Footways F Cycletracks C and Verges V Recorded As Fine cracking or crazing Loss of material from the matrix causing exposure of the surface of the coarse aggregate Definition For measurement purposes the minimum defect length Notes should be taken as 1m October 2009 UKPMS Manual_02_07v09 doc Page 61 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI f Pavement Condition Information Systems Concrete Footway Cycletrack Verge Defect Description Not Defective F Y V CTS Detect Code The first letter of the code denotes the feature for Footways F Cycletracks C and Verges V Recorded As The feature is present but free from defects Notes For measurement purposes the minimum defect leneth should be taken as 1m October 2009 Page 62 of Chapter 7 UKPMS Manual_02_07v09 doc the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI J Pavement Condition Information Systems Concrete Footway Cycletrack Verge
29. om 34m to 42m with a lateral extent of 2 In the latter case an average lateral extent is reported October 2009 UKPMS Manual_02_07v09 doc Page 8 of Chapter 7 6 cis the ukpms user manual Volume 2 Visual Data Collection for UKPMS Pavement Condition Information Systems Chapter 7 Coarse Visual Inspection CVI _ S Di 42m 34m 25m im O tir Om Bituminous Footway Kerb Bituminous Carriageway No Edge Restraint Grass Verge CVI Surface Deterioration Figure 4 CVI Area Defects Surveying continues in this manner recording each of the CVI defect types observed until the end of the section is reached 7 Walked CVI Surveys The CVI survey may be carried out by a surveyor or surveyors walking the route the walked CVI survey This approach is generally used in situations where the sections are heavily trafficked or urban networks or where parked vehicles impede the view of the carriageway and of other features In such situations it may be necessary to carry out a walked survey This survey is growing in popularity and is normally undertaken using the Minimal simple cross section position method although for classified roads the Full cross section position method is recommended The carriageway kerbs footways and cycle tracks are separately inspected for the left and the right of the carriageway Users should be aware that due to the nature of a walked survey the results from a walked CVI survey
30. or area of the defect 1s considered Depending on the quantity of the defect within the 20m length the defect is assigned an extent code of e Local Between 5 and 20 inclusive affected e Partial Over 20 affected up to and including 40 e General Over 40 affected There are a number of possibilities for carrying out the conversion of the CVI data as collected Each of these is acceptable provided that it can be shown to conform to the standard conversion rules Processing can take place on the Data Capture Device DCD Processing can take place on downloading from the DCD A utility can be provided by the DCD supplier to carry out the conversion using the rules documented below It could be provided as part of the initial processing steps of the UKPMS Automatic Pass as an optional addition to an accredited UKPMS system Table 3 Options for post processing CVI survey data CVI defects fall into five broad types e Length defects Edge defects Kerb defects Off Carriageway defects Longitudinal Joint defectiveness Longitudinal Joint defective seal e Lane Length defects Carriazeway Wheel Track Cracking CVI Rutting e Count defects Transverse Reflection Cracking Transverse Joint defectiveness Transverse Joint defective seal e No Defect defects Not Defective Not Assessed e Area defects All other defects Each of these types of defect is converted to provide the extent codes in a slightly different way
31. productivity The vehicle should be equipped with an accurate calibrated trip meter or odometer configured to read in metres ideally the trip meter should interface directly with the DCD to eliminate the need for manual entry of chainages The trip meter should be re calibrated on a regular basis CVI surveys are normally carried out on a route of sections grouped together to minimise travel between sections The survey is normally carried out over a whole section with the chainage recording starting at zero metres Some data capture software and UKPMS systems that provide an interface to such software provide facilities to create survey routes and to allow adjoining sections to be inspected continuously without the need to manually record the transition between sections CVI defects fall into four broad types described in Table 1 Defect Type Length Defect Edge Defects Kerb Defects Off Carriageway Defects Longitudinal Joint Defectiveness Lane Length Defects Carriageway Major Cracking CVI Rutting Count Defects Transverse Cracks Transverse Joint Defectiveness All Other Defects Table 1 CVI Broad Defect Types October 2009 UKPMS Manual_02_07v09 doc Page 5 of Chapter 7 gt C a S 3 the ukpms user manual anen Geil ton bihannan iners Volume 2 Visual Data Collection for UKPMS Chapter 7 Coarse Visual Inspection CVI 3 CVI Length Defects For length defects simply the chainages at which the defec
32. r 2009 UKPMS Manual_02_07v09 doc Page 25 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 7 Coarse Visual Inspection CVI Kerb DEFECT DEFINITION CODE RECORDED AS NOTES Kerb Deterioration Disintegration or loss of material from the KBDT Length Affected For measurement purposes the minimum defect length should be taken as 1m pcis 8 avement Condition Information Systems vertical or horizontal surfaces of the kerb excluding chips and spalls less than 25mm in any two directions Misalignment or displacement of kerbs by more than 50mm ina horizontal or vertical direction Inadequate Upstand Lengths where the vertical height of the kerb KDUP Length Affected For measurement purposes the minimum falls below 75mm where the kerb is adjacent to defect length should be taken as 1m the footway and below 25mm in other locations Not Defective The feature is present but free from defects AUTS ee For measurement purposes the minimum ete length should be taken as 1m Not assessed The feature is present but not assessed This ANAS Length For measurement purposes the minimum may occur due to the presence of road works or defect length should be taken as 1m parked cars or the execution of a partial survey October 2009 UKPMS Manual_02_07v09 doc Page 26 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI SECTION 3 CVI DEF
33. r UKPMS Chapter 9 Coarse Visual Inspection CVI f Pavement Condition Information Systems Bituminous Cattlageways Defect Description Not Defective BUTS The feature is present but free from defects Notes For measurement purposes the minimum defect length should be taken as 1m October 2009 UKPMS Manual_02_07v09 doc Page 35 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI R Pavement Condition Information Systems Bituminous Cattlageways Not Assessed BNAS Definition The feature is present but not assessed This may occur due to the presence of road works or parked cars or the execution of a partial survey For measurement purposes the minimum defect length should be taken as 1m October 2009 UKPMS Manual_02_07v09 doc Page 36 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI J Pavement Condition Information Systems Block Cattilageways Defect Descriptio Major Block Deterioration KBLD Definition in level of 13mm or greater This will include patches or public utility reinstatements where the footway has heaved for example due to tree roots Rocking blocks or missing blocks Recorded for any part of the surface course including the wheel tracks and areas of reinstatement For measurement purposes the minimum defect length
34. re cracked but have no depressions or vertical projections greater than 13mm Notes For measurement purposes the minimum defect leneth should be taken as 1m October 2009 UKPMS Manual_02_07v09 doc Page 65 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI f Pavement Condition Information Systems Flagged Footway C eo track Verge F Y V FTS AEE ORE The first letter of the code denotes the feature for Footways F Cycletracks C and Verges V Recorded As T The feature is present but free from defects Notes For measurement purposes the minimum defect length should be taken as 1m October 2009 UKPMS Manual_02_07v09 doc Page 66 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI J Pavement Condition Information Systems Flagged Footway Cyclettack Verge F Y V FNA The first letter of the code denotes the feature for Footways F Cycletracks C and Verges V Length gee Y Ph Footpath closed Definition The feature is present but not assessed This may occur due to the presence of road works or parked cars or the execution of a partial survey For measurement purposes the minimum defect length should be taken as 1m October 2009 UKPMS Manual_02_07v09 doc Page 67 of Chapter 7 J Pavement Condition Information Systems
35. rface course Deterioration disrupted resulting in loss of interlock Cracked including the wheel tracks and areas of spalled or otherwise damaged blocks which reinstatement October 2009 UKPMS Manual_02_07v09 doc Page 18 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 7 Coarse Visual Inspection CVI pcis avement Condition Information Systems Concrete Carriageway DEFECT DEFINITION CODE RECORDED AS NOTES CVI Concrete Cracking Cracking further than 500mm from the edge of NCRA Lateral Extent For measurement purposes the minimum the pavement or a joint including cracking defect length should be taken as 1m associated with ironwork and cracking in permanent concrete patches and reinstatements potholes but excluding joint or crack spalling CVI Concrete Surface Loss of material from the surface of the concrete NSCR Lateral Extent For measurement purposes the minimum Deterioration slab including scaling punch outs pop outs and defect length should be taken as 1m Also includes loss of texture construction CVI Transverse Joint Any or all of NFLT Count UKPMS requires joint inventory for processing Defectiveness Difference in level between slabs of 15mm or of this defect greater Evidence of pumping Evidence of dynamic movement Loss of material from the joint edge Cracking within 500mm of the joint including cracking and or spalling at the corner of the slab
36. rusion of joint seal weed growth hardening of the filler and loss of bond to slab edges Typical types of damage include stripping of joint sealant extrusion of joint sealant weed growth hardening of the sealant and loss of bond to slab edges UKPMS requires joint inventory for processing of this defect October 2009 UKPMS Manual_02_07v09 doc Page 45 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI f Pavement Condition Information Systems Concrete Cattiageway Defect Desctiption CVI Longitudinal Joint Defectiveness Defect Code ae ene Any or all of Difference in level between slabs of 15mm or greater Evidence of pumping Evidence of dynamic movement Loss of material from the joint edge Cracking within 500mm of the joint Opening of longitudinal joints greater than 15mm Definition Notes UKPMS requires joint inventory for processing of this defect Cracking at the corner of the slab shall be recorded with Transverse Joint Defectiveness October 2009 UKPMS Manual_02_07v09 doc Page 46 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI f Pavement Condition Information Systems Concrete Cattlageway Defect Desctiption CVI Longitudinal Defective Seal Defect Code NDLS ene i T i ff Phi if r i x
37. s the minimum may occur due to the presence of road works or defect length should be taken as 1m parked cars or the execution of a partial survey The first letter of the code denotes the feature for Footways F Cycletracks C and Verges V October 2009 UKPMS Manual_02_07v09 doc Page 23 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 7 Coarse Visual Inspection CVI pcis 8 avement Condition Information Systems Concrete Footway Cycletrack Verge DEFECT DEFINITION RECORDED AS NOTES Major Concrete Settlement subsidence and differences in level F Y V ial Length For measurement purposes the minimum Deterioration Scaling or fretting leaving the coarse aggregate defect length should be taken as 1m proud of the matrix or causing loss of coarse aggregate Trips and potholes Minor Concrete Fine cracking or crazing Loss of material from F Y V CND Length For measurement purposes the minimum Deterioration the matrix causing exposure of the surface of defect length should be taken as 1m the coarse aggregate Not Defective The feature is present but free from defects F Y V CTS Length For measurement purposes the minimum defect length should be taken as 1m Not assessed The feature is present but not assessed This F Y V CNA Length For measurement purposes the minimum may occur due to the presence of road works or defect length should be taken as 1m park
38. sealant extrusion of joint sealant weed growth hardening of the sealant and loss of bond to slab edges UKPMS requires joint inventory for processing of this defect UKPMS requires joint inventory for processing of this defect Cracking at the corner of the slab shall be recorded with Transverse Joint Defectiveness For measurement purposes the minimum defect length should be taken as 1m UKPMS requires joint inventory for processing of this defect October 2009 Page 20 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 7 Coarse Visual Inspection CVI pcis 8 avement Condition Information Systems Concrete Carriageway CONTINUED DEFECT DEFINITION CODE RECORDED AS NOTES CVI Defective Surface Stripping fretting or chip loss in surface NDSU Lateral Extent Bituminous overlays greater than 20mm would Dressing dressing thin bituminous overlays or high friction surfacing be inspected as covered concrete CVI Bituminous Bituminous patches and reinstatements in a NPTH Lateral Extent Defects in permanent patches and Patching concrete pavement other than those at a reinstatements are recorded as for un patched longitudinal or transverse joint areas Local policy and practice in respect of routine maintenance and public utility reinstatement will determine the circumstances under which bituminous patching is recorded Not Defective The feature is present but free from defec
39. should be taken as 1m October 2009 UKPMS Manual_02_07v09 doc Page 37 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI J Pavement Condition Information Systems Block Cartilageways Defect Descriptio a Minor Block Deterioration Detect Code KBLN Definition Areas where the pattern of blocks has been disrupted resulting in loss of interlock Cracked spalled or otherwise damaged blocks which have no depressions or vertical projections ereater than 13mm Recorded for any part of the surface course including the wheel tracks and areas of reinstatement For measurement purposes the minimum defect length should be taken as 1m October 2009 UKPMS Manual_02_07v09 doc Page 38 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI f Pavement Condition Information Systems Block Cattiageways Defect Description Not Defective Defect Code KNUS a The feature is present but free from defects Notes For measurement purposes the minimum defect leneth should be taken as 1m October 2009 UKPMS Manual_02_07v09 doc Page 39 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI J Pavement Condition Information Systems Block Cattlageways KNNA Definition The feature is present but not assessed T
40. spection CVI J Pavement Condition Information Systems 4 Survey Direction 38m 34m 20m 12m 10m Om Bituminous Footway Kerb Bituminous Carriageway No Edge Restraint Grass Verge CVI Wheel Track Cracking Including Wearing Course Figure 2 CVI Lane Length Defects 5 CVI Count Defects For CVI surveys there is a single count defect of CVI Transverse Reflection Cracking This is recorded simply asa single chainage at the location of the crack Therefore as shown in Figure 3 CVI Count Defects the surveyor would record a transverse crack at chainage 10 26 30 and 40m This is different to those recorded in DVI surveys described in Chapter 8 Detailed Visual Inspection Surveys of Volume 2 of this UKPMS User Manual 2 40m 30m 26m 20m Survey Dirggiop Om Bituminous Footway Kerb Bituminous Carriageway No Edge Restraint Grass Verge CVI Transverse Reflective Cracking Figure 3 CVI Count Defects October 2009 UKPMS Manual_02_07v09 doc Page 7 of Chapter 7 gt cis the ukpms user manual ana onddoa kaanan er Volume 2 Visual Data Collection for UKPMS Chapter 7 Coarse Visual Inspection CVI 6 CVI Area Defects At each point where an area defect is identified according to the definitions provided later in this Chapter the inspector records the start chainage of the defect Additionally for area defects the lateral extent of the defect is recorded These extents do not rela
41. t can be recorded is the length of the section The CVI is intended to allow rapid assessment of the network By assessing a limited range of broadly defined defects and by recording lateral extents rather than measurements of defects it is intended that driven survey rates of typically 15 to 40 carriageway km per day can be achieved in rural areas and rates of 10 to 15 carriageway km per day in urban areas 2 Overview of CVI Survey Procedure A CVI survey is normally undertaken from a slow moving vehicle using the Minimal simple cross section position method However on Classified Roads where the lanes are definable many local authorities are now collecting CVI data at Full XSP The carriageway is assessed as a whole and kerbs footways and cycletracks are separately inspected for the left and the right of the carriageway It is however advised that surveys should be confined to the carriageway only due to difficulties in collecting off carriageway data from a moving vehicle The vehicle will typically travel at 10 15km per hour although in defective locations and in breaks between sections there will be a need to go slower or to stop for short times to allow for data recording A minimum of two personnel will be required for the survey a driver and an inspector The driver will not be expected to be actively involved in identifying and recording defects but will concentrate on ensuring the safe passage of the vehicle It is
42. t starts and ends are recorded No other attributes are recorded Where individual defects overlap or adjoin they may be recorded gaps of less than 2m are ignored Figure 1 CVI Length Defect shows an example of recording a length defect Survey Direction 40m 30m 6m Om Bituminous Footway Kerb Bituminous Carriageway a DC OO Oo _ _ a No Edge Restraint Grass Verge 40m 35m 10m Om Footway Defect Edge Defect No edge restraint present Figure 1 CVI Length Defect CVI Lane Length Defects For lane length defects in addition to the start chainage and the end chainages being recorded the number of lanes affected by the defect is also recorded The number of lanes will depend upon the XSP referencing method being used for the survey as well as the number of lanes affected Where the Full XSP Method is used the number of lanes affected will always be 1 since each lane is inspected separately CVI surveys will normally be carried out using the Minimal XSP method In the example in Figure 2 CVI Lane Length Defects using the Minimal XSP method CVI Carriageway Major Cracking is recorded from 0 to 12m and 1 affected lane recorded It is also recorded from 20 to 34m with 2 as the number of lanes affected and from 34 to 38m with 1 lane affected October 2009 UKPMS Manual_02_07v09 doc Page 6 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 7 Coarse Visual In
43. te to the location of the defects across the carriageway but to the width of the defects compared to the total carriageway width The extent may comprise of one ot more individual widths of defect The lateral extents are described in Table 2 Affects whole width of carriageway or lane 4 Affects approximately three quarters of the width of the carriageway ot lane Affects approximately half of the width of the carriageway lane Affects approximately one quarter of the width of the carriageway lane Less than 2 metre in width such as a single crack or a linear joint defect Table 2 Lateral extent of CVI Area Defects Consistent with the coarse nature of the survey in locations where the extent of the defect varies along the recorded length it is acceptable to record an average lateral extent At the end of the defect the end chainage is recorded Where the lateral extent or for lane length defects the number of affected lanes changes an end chainage is recorded and a new defect started although proprietary Data Capture Software may provide functionality to speed this process by recording a change within the defect In the example in Figure 4 CVI Area Defects CVI Surface Deterioration is recorded from 0 to 10m with a lateral extent of 1 4 from 10 to 15m with a lateral extent of 4 and from 15 to 25m with a lateral extent of 1 2 It is also recorded from 25m to 34m with a lateral extent of single and fr
44. tion for UKPMS Chapter 9 Coarse Visual Inspection CVI f Pavement Condition Information Systems Bituminous Cattiageways Defect Des criptio j Left Recorded CVI Edge Deterioration Defect Code BLED Recorded As Length Affected ea Fal ie A A y TR Definition Major cracking fretting or deformation confined to the left edge of the carriageway where no edge restraint is present i e Kerb or Channel For measurement purposes the minimum defect length should be taken as 1m Where cracking or fretting extends beyond the carriageway edge they will also be recorded as whole carriageway defects October 2009 UKPMS Manual_02_07v09 doc Page 33 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI f Pavement Condition Information Systems Bituminous Cattiageways Defect Des criptio vi Right Recorded CVI Edge Deterioration Detect Code BRED Recorded As Length Affected Major cracking fretting or deformation confined to the left edge of Definition a the carriageway where no edge restraint is present i e Kerb or Channel For measurement purposes the minimum defect length should be taken as 1m Where cracking or fretting extends beyond the carriageway edge they will also be recorded as whole carriageway defects October 2009 UKPMS Manual_02_07v09 doc Page 34 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection fo
45. ts NNDE Length For measurement purposes the minimum defect length should be taken as 1m Not Assessed The feature is present but not assessed This NNOA Length For measurement purposes the minimum may occur due to the presence of road works or defect length should be taken as 1m parked cars or the execution of a partial survey October 2009 UKPMS Manual_02_07v09 doc Page 21 of Chapter 7 j gt q 4 S the ukpms user manual avement Condition Information Systems Volume 2 Visual Data Collection for UKPMS Chapter 7 Coarse Visual Inspection CVI Bituminous Footway Cycletrack Verge DEFECT DEFINITION CODE RECORDED AS NOTES Major Bituminous Multiple cracking coarse crazing occurring in any F Y V BMD Length For measurement purposes the minimum Deterioration part of the surface course including defect length should be taken as 1m reinstatements Loss of material Settlement or subsidence Isolated spot defects such as vertical projections or trips exceeding 13mm Areas of ponding and depressions Minor Bituminous Fine cracking or crazing less than 2mm in width F Y V BND Length For measurement purposes the minimum Deterioration Loss of material other than surface applied defect length should be taken as 1m chippings from the surface course where the Original surface course remains discernible Not Defective The feature is present but free from defects F Y V BTS Length For measurement purposes the m
46. ual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI f Pavement Condition Information Systems Bituminous Cartiageways Defect Description CVI Surface Deterioration Defect Code BSDE Recorded As Any or all of 1 Extensive loss of surface applied chippings with less than two thirds of chippings remaining 2 The appearance of bituminous binder in the surface course such that the friction material is flush or covered 3 Loss of material to the degree that the original surface course is still discernible OR loss of material from the surface matrix to a depth less than 20mm Notes Recorded for any part of the surface course including the wheel Definition tracks and areas of reinstatement Minor cracking minor chip loss and minor fatting are not recorded in CVI surveys since these defects are difficult to discern from a moving vehicle October 2009 UKPMS Manual_02_07v09 doc Page 29 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI f Pavement Condition Information Systems Bituminous Carttiageways Defect Desctiption CVI Settlement Subsidence Defect Code BSES Local settlement or subsidence producing a difference in level Definition oa ereater than 30mm This will include patches or public utility reinstatements and areas where the carriageway has heaved for example due to tree roots
47. ual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI i a CVI Settlement Detect Description Defect Code NSTM Recorded As Lateral Extent Definition Settlement resulting in a variation in level of 50mm or more Notes Includes both settlement within a single bay and settlement of a number of bays on jointed construction October 2009 UKPMS Manual_02_07v09 doc Page 43 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI f Pavement Condition Information Systems Concrete Cattlageway Defect Desctiption CVI Transverse Joint Defectiveness NFLT Definition Any or all of Difference in level between slabs of 15mm or greater Evidence of pumping Evidence of dynamic movement Loss of material from the joint edge Cracking within 500mm of the joint including cracking and or spalling at the corner of the slab UKPMS requires joint inventory for processing of this defect October 2009 UKPMS Manual_02_07v09 doc Page 44 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI J Pavement Condition Information Systems Concrete Cattlageway Defect Description CVI Transverse Defective Seal Defect Code NDFS Definition Defective transverse joint seal and or loss of sealant Typical types of damage include stripping of joint sealant ext
48. urposes the minimum defect leneth should be taken as 1m October 2009 UKPMS Manual_02_07v09 doc Page 58 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI J Pavement Condition Information Systems Block Footway Cycletrack Verge F Y V KNA The first letter of the code denotes the feature for Footways F Cycletracks C and Verges V Length gee Y Ph Footpath closed Definition The feature is present but not assessed This may occur due to the presence of road works or parked cars or the execution of a partial survey For measurement purposes the minimum defect length should be taken as 1m October 2009 UKPMS Manual_02_07v09 doc Page 59 of Chapter 7 the ukpms user manual Volume 2 Visual Data Collection for UKPMS Chapter 9 Coarse Visual Inspection CVI f Pavement Condition Information Systems Concrete Footway Cycletrack Verge Defect Desctiptio a Major Concrete Deterioration F Y V CMD Defect Code The first letter of the code denotes the feature for Footways F Cycletracks C and Verges V Definition Settlement subsidence and differences in level Scaling or fretting leaving the coarse ageregate proud of the matrix or causing loss of coarse ageregate Trips and potholes For measurement purposes the minimum defect length should be taken as 1m October 2009 UKPMS Manual_02_07v09 d
49. y 5 and expressed as a percentage of the sub XSP section length No Defect Start Chainage This assumes a minimum spacing of 5 metres Where a No Defect defect is recorded for any part of a sub Defects End Chainage section then if there are no other defects in that length then XSP the whole 20m is recorded as that defect and if there are any other defects then it is ignored Area Start Chainage The total area of the defect within the sub section Defects End Chainage expressed as a percentage of the sub section area XSP Total Area X End Chainage Start Chainage x Lateral Lateral Extent Extent for that part of the defect lying within the subsection Sub section Area Sub section length x 1 as the lateral extent is the proportion of the width affected rather than an absolute width Note that the Single lateral extent is assumed to be 1 8 for this calculation Table 4 Rules for converting CVI defects to 20m reporting lengths UKPMS Manual _02_07v09 doc October 2009 Page 12 of Chapter 7 10 Q1 Q2 Q3 Q4 Q5 Q6 Q7 the ukpms user manual g Pavement Condition b Systems Volume 2 Visual Data Collection for UKPMS Chapter 7 Coarse Visual Inspection CVI The percentage obtained from the calculations described in Table 4 is converted to an extent using the following rules e lt 5 Ignore no length of defect created e 25 and lt 20 Local extent e gt 20 and

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