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PAVEMENT MAINTENANCE
(PAVEMENT CONDITION INDEX)
Repeatable rating system identifying the
pavement condition
Numerical Index Ranging from 0 to 100
0 failed pavement
100 perfect condition
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PAVEMENT MAINTENANCE
(PAVEMENT CONDITION INDEX)
Calculated based on the results of a visual
condition survey
What is the matter that being surveyed
!avement distress
"#ype
"$everity
"%uantity
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&'W #' ()#)R*IN) !CI
Road+!avement $ection
(ividing section into inspection units ,sample units-
Number of sample unit to be inspected
$urvey procedure
Calculating of !CI
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(ividing sample units
.nsurfaced and asphalt surface roads
,including asphalt over concrete-
/00 1000 ft/
2sphalt surface airfield 000 /000 ft Concrete and airfields 3ith 4oint spaced
5 / ft " /0 6 slabs
Note7 Not all samples units are re8uired to be the same
si9e but must fit 3ithin guidelines
1 ft : 0;0< m/
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(etermining $ample .nit to be $urveyed
(epend on the use of the pavement and
pro4ect or net3or= level
!ro4ect level &igh degree of sampling
N
n
n : number of sample that
must be surveyedN : total number of sample
units
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$ystematic Random
/ /> /? /6 /< @0 @1 @/ @@ @A @ @> @? @6 @< A0 A1 A/ A@ AA A A> A?
1 / @ A > ? 6 < 10 11 1/ 1@ 1A 1 1> 1? 16 1< /0 /1 // /@ /A
#otal number of sample units in section ,N- : A?
*inimum number of units to be surveyed : 1@ ,'btain from the curve-
Interval ,i- : N+n : A?+1@ : @;> : @Random start ,$- : @
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Net3or= level lo3 degree of sampling
#o obtain meaningful rating 3ith the least
cost
Bor maintenance 3or= plans
2ssessing the condition of pavement
Identifying candidate section that may
3arrant detailed pro4ect"level inspection
ased on / tables
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Table 1: Example of Network Level Sampling Criteria
No of sample Unitsin Section (N)
No of nits to beinspecte! (n)
1 1
> 10 /
11 1 @
1> 0 A
'ver A0 10 D ,round up to next3hole sample unit-
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Table ": Network level sampling
No of sample
Units in Section(N)
No of nits to be
inspecte! (n)
1 1
/ " A /
"/0 @
'ver /0 A
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PAVEMENT MAINTENANCE
(PAVEMENT CONDITION INDEX)
#verall step $n Calclating %C$
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PAVEMENT MAINTENANCE
(PAVEMENT CONDITION INDEX)
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!CI : 100 " ? :A@
PAVEMENT MAINTENANCE
(PAVEMENT CONDITION INDEX)
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Table 5.1 Standard Pavement Ratin !a"ed #n PCI
Pavement Condition Index Rating
100 to 85 Excellent
85 to 70 Very good
70 to 55 Good
55 to 40 Fair
40 to 25 Poor
25 to 10 Very poor
10 to 0 Failed
PAVEMENT MAINTENANCE
(PAVEMENT CONDITION INDEX)
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PAVEMENT MAINTENANCE
(PAVEMENT CONDITION INDEX)
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PAVEMENT MAINTENANCE
(PAVEMENT CONDITION INDEX)