HomeMy Public PortalAbout09) 10A Pavement Management Program Update.City Council
April 2, 2019
Page 2 of4
Pavement condition is measured using a metric called Pavement Condition Index (PCI)
that ranges from 0 to 100. A newly constructed street has a PCI of 100, while a failed
street has a PCI lower than 25. Pavement conditions are described based on the PCI
ranges in Table 1. Sample photographs of various pavement conditions are shown on
page 10 of the PMP report.
T bl 1 P a e avemen t C d'f I d on 1 1on n ex an d c d"t' c t on I IOn a egones
Pavement Condition Index Range Pavement Condition Category
70-100 Good
50-69 Fair
25-49 Poor
0-24 Very Poor
Each street segment is assigned its own PCI value. These individual values are then
weighted depending on whether the street is an arterial, collector, or residential street and
averaged together to determine the citywide weighted average PC I.
The updated PMP report concludes that Temple City's average citywide PCI is 58, while
Temple City's arterial streets have an average PCI of 77. To maintain the current PCI of
58, an annual budget of $2.5 million is required over the next 10 years.
The City's projected annual street maintenance budget of $1.4 million (using a
combination of Measure R, Measure M, and Road Maintenance and Rehabilitation
Account (SB 1) funds) is inadequate to maintain the current PC I. At this level of
investment, the citywide PCI will decrease to 49 over the next 10 years. If no additional
street resurfacing were performed, the citywide PCI would decline to 35 over the next 10
years.
The citywide PCI of 58 is lower than the statewide average of 65. It is also lower than the
citywide PCI of 62 identified in the 2013 PMP report. However, it is important to note that
the 2013 PMP was based on a windshield survey, while NCE conducted more thorough
field investigations and pav~ment analysis for this PMP update. The updated PMP is
therefore more accurate than the 2013 PMP.
Temple City maintains about 72.4 centerline miles of streets with a total replacement
value of $104.7 million. This represents the cost to fully reconstruct every street in the
City, not including curb and gutter, sidewalk, drainage, and other non-pavement
infrastructure. Temple City's streets currently have $29.1 million in deferred maintenance.
This represents the cost to resurface all streets as needed to achieve an average good
pavement condition citywide (PCI of 83).
The funding scenarios analyzed in the PMP report do not assume a total replacement of
every street at a cost of $104.7 million, or an immediate improvement to a PCI of 83 at a
cost of $29.1 million. Rather, the scenarios look at what citywide PCI could be achieved
over a 1 0-year or 20-year period, given a certain level of funding.
City Council
April2, 2019
Page 3 of 4
The scenarios initially included in the PMP report looked only at an ongoing annual budget
over a 1 0-year period, with no additional up-front funds. Based on feedback from the
Facilities, Public Works, and Infrastructure Standing Committee, additional scenarios
were analyzed assuming additional up-front funding for the first year. This up-front funding
would be provided by issuing bonds, which would be financed through a property tax or
similar assessment. The advantage of up-front funding is that additional resurfacing work
would be performed in the first year, causing the citywide PCI to increase immediately
rather than gradually over a 10-or 20-year period.
Table 2 shows some of the funding scenarios included in the PMP report, both with and
without up-front funding. Additional scenarios are detailed in the report. The two scenarios
shown below with up-front funding (8B and 9B) appear to strike the most efficient balance
between increasing the PCI immediately and maintaining it over the long term.
Table 2 Sample Funding Scenanos and Resulting PCI
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1 49 $1.4 $1.4 $14.0 maintains current funding level using Measure
2 58 $2.5
3 65 $3.4
4 75 $4.6
5 80 $5.2
88 69 $12.6
98 74 $13.6
R, Measure M, and Road Maintenance and
Rehabilitation Account (SB 1) funds
$2.5 $25.0 maintains current citywide PCI level
$3.4 $34.0
$4.6 $46.0 funding level recommended by NCE
$5.2 $55.2
$3.6 $45.0 includes $9 million in up-front funding and
additional annual funding financed by $300
parcel tax; PCI would remain at 69 at 20 years
with continued funding
$4.6 $55.0 includes $9 million in up-front funding and
additional annual funding financed by $400
parcel tax; PCI would increase to 77 at 20 years
with continued funding
City Council
April 2, 2019
Page 4 of 4
CITY STRATEGIC GOALS:
Updating the PMP is consistent with the City Strategic Goals of Public Health and Safety,
Quality of Life, and Sustainable Infrastructure.
FISCAL IMPACT:
The PMP report offers various funding scenarios using different fund sources. Fiscal
impacts will differ depending on policy direction from the City Council.
ATTACHMENTS:
A. Updated PMP Report and Appendices
B. Presentation
ATTACHMENT A
Pavement Management Program
Report
and Appendices
I City of Temple City
Pavement Management Program 2018 Update-Final Report
Table of Contents
Background ..................................................................................................................................... 6
Study Objectives .............................................................................................................................. 6
Scope of Work ................................................................................................................................. 7
Pav e m ent Network and Current Condition .................................................................................... 8
Current Maintenance and Reh abilitation Pr actices ...................................................................... 13
Bud ge t N ee ds Analysis: 10-Year Analysis ..................................................................................... 15
Bud ge t Scenarios: 10-Year Analysis .............................................................................................. 17
Scenario 1: City's Budget ($1.4 Million pe r Year) ...................................................................... 1 8
Scenario 2: Maintain PCI at 58 ($2.5 Million per Ye ar) ............................................................. 19
Scenario 3: Improve PCI to 65 ($3.4 Million per Year) .............................................................. 20
Scenario 4: Improve PCI to 75 ($4.6 Million per Year) .............................................................. 21
Scenario 5: Improve PCI to 80 ($5 .2 Million pe r Year) .............................................................. 22
Recap : 10-Year Budget Scenario Analysis ................................................................................. 23
Funding Scenarios Analysis: 20-Y ea r Analysis ............................................................................... 26
Scenarios 6 (A-D): Varied Up -front Fund s ($8 M, $9 M, $10M, $1 5M) with $100 Tax Rate ...... 27
Scenarios 7 (A -D): Varied Up -front Fund s ($8 M, $9M, $10M, $15M) with $200 Tax Rate ...... 29
Scenarios 8 (A-D): Varied Up -front Fund s ($8M, $9 M , $10M, $15M) with $300 Tax Rate ...... 31
Scenarios 9 (A -D): V aried Up -front Funds ($8M, $9 M , $10M, $15M) with $400 Tax Rate ...... 33
PCI Comparisons between Scenarios w ith the Same Up -front Fund s ...................................... 35
Reca p : 20-Year Funding Scenario Analysis ................................................................................ 37
Conclusions ................................................................................................................................... 38
~!NCE Collaboration Comm•tment Confi~once •
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I City of Temple City
Pavement Management Program 2018 Update-Final Report
Pavement Network and Current Condition
The City is respo nsib le for t h e repair and maintenance of approximately 72.4
centerl i ne miles of streets of which 13.8 mi les are arterials, 38.9 miles are collectors,
and 19.7 miles are residentials.
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Streets and pavements are one of the City's most valuable assets; the
repl~~ement value is estimated to be approxi~ately $104.7 million.
Note that this replacement cost does not include the va l ue of other non-pavement
street components, such as curb and gutters, sidewalks, drainage, etc. The inspection
was also performed on the alley n etwork, but the alleys are not included as part of
the City's street network or the PMP budget analysis. The alley network inventory
and inspection resu lts are li sted in Appendix B.
PCI is a measurement of pavement grade or condition and ranges from 0 to 100. A
newly constructed street will h ave a PCI of 100, whi le a fai led street will have a PCI
of 25 or less. The pavement condition is primari ly aff ected by clima t e, traffic loads
and vo lu mes, su bg rade failure, construction materials and age. Some of the
distresses manifested by the pavement as it ages or fails are:
Asphalt Concrete (AC) Pavement :
• Alligator (Fatigue) Cracking • Patching and Utility Cut Patching
• Bleeding • Polished Aggregate
• Block Cracking • Potho les
• Bumps and Sags • Railroad Crossing
• Corrugation • Rutting
• Depression • Shoving
• Edge Cracking • Slippage Cracking
• Joint Reflection Cracking • Swell
• Lane/ Shoulder Drop-Off • Raveling
• Longitudinal/Transverse Cracking • Weathering
Port land Cement Concrete (PCC) Pavement:
• Blowup/ Buckling • Polished Aggregate
• Corner Break • Po pouts
• Divided Slab • Pumping
• Durability Cracking • Punchout
• Faulting • Railroad Crossing
• Joint Seal Damage • Scaling
~!NCE Collaboration Comm1tment Confidence •
8
I City of Temple City
Pavement Management Program 2018 !Jpdate-Final Report
Budget Needs Analysis: 10-Year Analysis
Once the pavement condition and the appropriate mainte nance have been
determined, it is possible to correlate and determine the funding needed for
maintenance of the City's streets. Simplistically, the StreetSaver® program seeks to
answer the following questions:
. If fun-ding is not a constraint, how much money is neede-d to bring-the .
. pavement condition to a state of good repair? And maintain it at that level
. ·-·. · .. ;·· .. :.'·.· __ -.·.;:'~··:-over the next _lO years?
_ __!_;_,;o__~':._._~__._~· -_,, • • • • ~--------------------
Therefore, based on the principle that it costs less to maintain streets in good
condition, rather than focusing on fi x ing those in poor condition, Str eetSave r®
develops a funding strategy that will improve the overall condition of the streets and
then maintain it at that level. The condition of each street determines the appropriate
t r eatment and cost from the decision tree.
For example, if Avon Avenue has a PCI of 44, and the appropriate treatment is a mill
and overlay with digouts, then the area of the pavement section is multiplied by the
unit cost and the total treatment cost determined. Additional maintenance treatments
over the next 10 years may also be applied (e.g., slurry seal and crack seal) to
preserve it, if necessary.
Using this process, the entire street network for the City was evaluated in this fashion
and summed . This results in maintenance needs of appro x imately $55 .1 million over
the ne x t 10 years at an annual inflation r ate of 3 percent. If the Ci ty follows the needs
funding strategy recommended by the program, the ave r age PCI will fluctuate
between 82 and 85. If, however, no funding is allocated to street pavement
maintenance over the nex t 10 years, the streets will deteriorate and the network PCI
will drop to 35.
The results of the budget nee ds analys is are summarized in Table 3.
Note that in this analysis, the total funding needed is "front-loaded;" i.e., it is less
ex pens ive to repair the streets in the first year than in subsequent years due to the
effect of d e ferring maintenance and inflation. Although very few agencies can afford
this "front loaded" approach, it highlights the ne x t treatment that each street section
n eeds and becomes a reference point for all other funding scenarios.
The first yea r 's budget needs of $29 .1 million is also the City's current deferr ed
maintenance.
~!NCE , Co llabo ration Commrtm•nl Conf idence."
15
I City of Temple City
Pavement Management Program 2018 Update-Final Report
Conclusions
Th e City of Temple City has a substantial investment in its street network with an
estimated total replacement cost of $104.7 million. Overal l, the street netwo rk is in
"Fair" condition with a citywide average PCI of 58. Appro x imately 44 percent of the
City's streets fall in either the "Poor" or "Very Poor" condition categories. At the
current annual funding level of $1.4 million, there is a downward trend in PCI
proj ected over the next 10 years. In addition, the cost of deferred maintenance under
the City's budget will continue to grow dramatically.
a. Pavement Funding
At current funding levels, the PCI will decrease to 49 by FY 2027/28 and the deferred
ma i ntenance will increase to $57.6 million, which is a 98 percent incr ease over the
current level. In addition, th e pe rcentage of streets in the "Very Poo r" condition will
in crease from 9.7 percent to 41.1 percent.
If s ufficient funding is unavailabl e for stre et M&R, the average PCI is expected to
decrease and the deferred ma i ntenance or unfunded bac k log will almost double. The
higher backlog will result in increased future costs, because more capita l -intensi ve
treatments such as reconstruction will be required as less-expens ive treatm en t s such
as surface sea ls or overla y s are no long e r effective.
Th e results of t h e Stree tSaver® budget a nalyses indicated that if a 10-year approach
is adopted, the City would need t o increase the annual pavement fund in g to a
minimum of $4.6 mill ion per year. This funding level will in crease the amount of the
"Good" condition streets from 34.4 percent to 87.5 percent of the network. The PCI
improves t o 75 and the deferred m ainte nance drops to $15.8 million .
I f t h e City adopts a 20-year plan incl ud ing up -front funding a nd a nnu a l parcel taxes,
the r es ults of t he additional scena ri o ana lyses indica t e th a t a parcel ta x of at least
$300 a nnually would be req uired to improve pavement con d itions without i ncreasing
d efe rred mainte nan ce.
b. Pavement Maintenance Strategies
NCE r eco mmend s th at the City consider other treatment options. Micro-surfacing can
be a n a ppropriate treatment for preventive maintenance; full-depth reclamation (FDR)
and co ld -in-p lace re cycli ng (CIR) are a lso a ltern atives to reconstruction. These
t reatmen ts ca n offer approximately 20 to 30 percent in cost savings .
c. Re-inspection Strategies
In order to monitor future pa vemen t performance and on-going maintenance needs,
the Los An ge les County Metro req uires an inventory of city-maintained arteri al and
co ll ector streets in order to b e e ligible for Prop C funds. This inventory upd ate sh o uld
~!NCE Co ll aboration Comm •tmcn t Cnn hdence~
38
f !NCE Collaboration. Commitment. Confidence ~"'
Appendix A
Quality Control Plan
Engi neering & Env iro nment al Ser vices www. ncenet. com
The contents of this report is the confidential property of
NCE and should not be copied, modified, retransmitted, or
used for any purpose except with NCE's written
authorization.
Engineering & Environmental Services www.ncenet.com
Appendix Al
Resumes of Field Inspectors
En gin eer ing & Envi ron me ntal Ser vi ces www. nee net. com
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Jacob Rajnowski
Field Technician
Mr. Rajnowsk i j o ined NCE in 2016 as a as a pavement mana gement
technician and is experi e n ced in co ll ectin g distress data for Pa vement
Ma nagement Syst ems.
Apart from co nducting field inspectio n s, Mr. Rajn owski performs all
fu n ctions related to data co llecti on and is a n active participant in t he QC
process, includ ing cr oss-check s of data in the PMS database, quality
control ch ec ks of field co ll ected data and pa vement maintenance history to
ensure that PM S databases a re accurate and up to date. During this
process, detai le d r eports are generated to perform cross-check s of t he
data col lect ed . Additionally, Mr . Rajnowski h as completed the OCTA
MicroPAVER 'Distress Ide ntificatio n' course for Aspha lt Co ncrete and
Portland Ce ment Pavements.
Representative Projects
Pavement Management
Pavement Management System Updates I Field Technician
Various Cities a nd Counties, CA
Proj ect s included various fo rms of surveys for pa vement distress data
collection, this m ay have included walking, w ind shi e ld, and/or semi-
automat ed.
~· •• Ada County, I D
~· •• Humboldt County
~! Martinez, CA
'-i« •• Pleasant Hill, CA
~· •• San Francisco , CA
t:• •• Stockton, CA
~~ Trinity County, CA
~~ Yolo County, CA
Eng ineer ing & Environmental Ser vices
Education
Sterling High School, Sterling, IL, 2003
Joined NCE
20 16
Registrations and Certifications
OCTA Mi cr o PAVER Certification 2 017
MTC Certification 2016
Total Years of Experience
2 years
www. ncenet.com
f !NCE Collaboration. Commitment. Confidence ~"'
Appendix B
Section Description Inventory
Alley Network
Sorted by Alley Name
Eng ineering & Enviro nt11ellt nl Ser vices www. ncenet. com
Alley Section Description Inventory Report
This report lists a variety of section description information for each of the City's
alley pavement sections. It lists the street and section identifiers, limits, functional
class, surface type, number of lanes, lengths, widths, and inspected 2018 PCI.
All of the City's alley street sections are included in the report. The report is sorted
alphabetically by Alley Name and Section ID. The field descriptions in this report
are listed.
Header
ALLEY NAME
SECTION ID
BEG LOCATION
END LOCATION
FC
SURFACE TYPE
LANES
LENGTH (FT)
WIDTH (FT)
AREA (SF)
2013 PCI
2018 INSPECTED PCI
~!NCE
Description
The name of the alley
Section identification number in StreetSaver® unique for
each section of one alley
Beginning limit of the alley section
Ending limit of the alley section
Functional Classification (0 -Other)
Surface Type (0 -AC/AC = AC Overlay of AC Pavement)
Number of lanes of the alley section
Length of the alley section in feet
Average width of the alley section in feet
Area of the alley section in square feet
Average 2013 PCI for the alley section
Average 2018 inspected PCI for the alley section
~!N CE
Engineering & Environnt cniCJ I Services
City of Temple City
2018 PMP Update
Alley PCI Listing
1 of 2
Sorted by Name
www. nee net. com
f !NCE Collaboration . Commitment. Confidence ~"
Appendix C
Section Description Inventory
Section PCI Listing -Street Network
I. Sorted by Street Name
II. Sorted by Descending PCI
t:. nginee r mg & l:.nv n on mentr1l Set vtces www. ncenet. com
Section Description Inventory Report
This report lists a variety of section description information for each of the City's
street pavement sections. It lists the section identifiers, limits, functional class,
surface type, number of lanes, lengths, widths, and inspected 2018 PCI.
All of the City's vehicular street sections are included in the report. The report is
sorted alphabetically by Street Name and Section ID and by descending PCis. The
field descriptions in this report are listed. .. __
Header
STREET NAME
SECTION ID
BEG LOCATION
END LOCATION
FC
SURFACE TYPE
LANES
LENGTH {FT)
WIDTH (FT)
AREA (SF)
..
LAST M&R DATE
LAST M&R TREATMENT
2018 INSPECTED PCI
~!NCE
Description
The name of the street as indicated by street signs in
the field
Section identification number in StreetSaver® unique
for each section of one street
Beginning limit of the section
Ending li~it of the section
Functional Classification (A -Arterial, C -Collector, R
-Residentia 1/ Loca I)
Surface Type (0 -AC/AC = AC Overlay of AC
Pavement, PCC = Portland Cement Concrete Pavement)
Number of lanes of the section
Length of the section in feet
Average width of the section in feet
Area of the section in square feet
Date of the last treatment on the section
Type of the last treatment on the section
Average 2018 inspected PCI for the section.
Collaboration . Commitment. Confidence ~
Sorted by Street Name
Engin ee rin g & Environme ntal Ser vtces www. nee net. com
t !NCE
Engi neo rinp, & Environmen tal Se rvi ces
City of Temple City
2018 PMP Update
PCI Listing-Street Network
2 of 10
Sorted by Street Name
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Eng ineer i ng & Environm ental Se rvices
City of Temple City
2018 PMP Update
PCI Usllng -Street Network
4 of 10
Sorted by Street Name
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Enp irwe rln r. & fnvironmen tal Servi ces
City of Temple City
2018 PMP Update
PCI Ustlna ·Stree t Network
6 of 10
Soned by Street ~a me
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Eng int>erinr, & Enviro nrnc n lal Services
City of Temple Ci ty
2018 PMP Update
PCI List In&· Street Network
Sol 10
Sorted by Street Name
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City of Temple City
2018 PMP Update
PCillstlns · Street Network
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Sorted by Street Name
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f !NCE Collaboration . Commitment. Confidence :~
Sorted by Descending PCI
Engineering & l:.nv ironmental Services www. ncenet. com
t !NCE
Eng1necring & Envi10nmenlal Services
City of Temple City
2018 PMP Update
PCI Ustln& ·Street Network
I of 10
Sorted by Descending PCI
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Ln pmee r inp, & Env ir on m en tal Se rvices
City of Temple City
2018 PMP Update
PCI Ustln1 · Street Network
3 o l10
Sorted by o~scendln1 PCI
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fngmt>er ing & Enviro nmen ta l S!'rviccs
City of Temple Cit y
2018 PMP Update
PCI Listing-Str eet Netwo1k
S o f JO
Sorted by Descending PCt
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Cng inc.>e rinJ'( & f r rvironmen tal Se rvices
City of Temple City
2018 PMP Update
PCI Llstlns · Street Network
7ol 10
Sorted by Descending PCI
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Enp,inecrinp, & fnvi romnc ntal Sr rvi ces
Clly of Temple City
2018 PMP Update
Pet Ustlns · Street Netw ork
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Sorted by Descending PCI
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f !NCE Collaboration . Commitment. Confidence ~"
Appendix D
Maintenance and Rehabilitation
(M&R) Decision Tree
l11 g irt eP 1111 g & Env i ronn 1ent al Ser vices www. nee net. com
Maintenance and Rehabilitation Decision Tree
This report presents the current maintenance and rehabilitation (M&R) decision tree
that exists in the database. The decision tree forms the basis for all of the
budgetary computations that are included in this volume. Changes to the
decision tree will make the results in the budget reports invalid. All
pavement treatment unit costs relevant to the street types in the database were
updated.
The decision tree lists the treatments and costs selected for preventive
maintenance and rehabilitation activities . Each line represents a specific
combination of functional classification and surface type.
The preventive maintenance portion of the report is identified as Condition Category
I -Good. All preventive maintenance treatment listings are assigned only to
sections in Condition Category I. Street sections with PCI values under this range
are assigned to treatments listed in Categories II through V.
In the preventive maintenance category, a time sequence is us e d to identify the
appropriate treatment and cost. Each preventive maintenance treatment
description consists of three parts: 1) a CRACK treatment, 2) a SURFACE treatment,
and 3) a RESTORATION treatment. These three parts allow the user to specify one
of three different preventive maintenance treatments depending on the prior
maintenance history of the section.
1. The CRACK treatment part can be used to specify the most frequent
type of preventive maintenance activity planned (typically crack seals).
2. The SURFACE treatment part can be used to specify more extensive
and less frequent preventive maintenance activities, such as chip seals
or slurry seals. For example, a crack seal can be specified on a 3-year
cycle with a slurry seal specified after seven years.
3 . The RESTORATION part can be used to specify a surface restoration
treatment (such as an overlay) to be performed after a specified
number of surface treatments . For example, after three successive
slurry seals, an overlay can be specified instead of another slurry seal.
Rehabilitation treatments are assigned to sections in Condition Categories II
through V. Each line is defined by a specific combination of functional classification,
surface type, and condition category.
The City adjusted the PCI thresholds for budget analysis in StreeSaver® for
different functional classifications to meet the goal of improving the PCI.
• Arterial
o Good 75-100
o Fair 60-74
o Poor 40-59
o Very Poor 0-39
t !NCE
" C o l l e c t o r
0 G o o d 7 0 - 1 0 0
0 F a i r 5 5 - 6 9
0 P o o r 3 5 - 5 4
0 V e r y P o o r 0 - 3 4
" R e s i d e n t i a l
0 G o o d 7 0 - 1 0 0
0 F a i r 5 0 - 6 9
0 P o o r 2 5 - 4 9
0 V e r y P o o r 0 - 2 4
C O L U M N D E S C R I P T I O N
F u n c t i o n a l C l a s s F u n c t i o n a l C l a s s i f i c a t i o n i d e n t i f y i n g t h e b r a n c h n u m b e r .
S u r f a c e T y p e i d e n t i f y i n g t h e b r a n c h n u m b e r . S u r f a c e T y p e ( A C = A C
S u r f a c e P a v e m e n t , A C / A C = A C O v e r l a y o f A C P a v e m e n t , A C / P C C = A C O v e r l a y o f P C C
P a v e m e n t , P C C = P C C P a v e m e n t , S T = S u r f a c e t r e a t m e n t o v e r g r a v e l
b a s e / s u b g r a d e ) .
C o n d i t i o n C o n d i t i o n C a t e g o r y ( I t h r o u g h V ) . C a t e g o r y
F i r s t R o w ( C r a c k T r e a t m e n t ) i n d i c a t e s l o c a l i z e d t r e a t m e n t ( e . g . c r a c k s e a l i n g ) .
T r e a t m e n t T y p e S e c o n d R o w ( S u r f a c e T r e a t m e n t ) i n d i c a t e s s u r f a c e t r e a t m e n t ( e . g .
m i c r o s u r f a c i n g ) .
T h i r d R o w ( R e s t o r a t i o n T r e a t m e n t ) I n d i c a t e s s u r f a c e r e s t o r a t i o n ( e . g . o v e r l a y ) .
T r e a t m e n t N a m e o f t r e a t m e n t s f r o m t h e "