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22 nov re estabilishing pms
1. Design and Implementation of Road Maintenance Reform. Republic of Moldova
Re- estabilishing PMS
Nov 22, 2010
Design and Implementation of Road Maintenance Reform
2. Design and Implementation of Road Maintenance Reform. Republic of Moldova
01/27/15
1. Management Cycle
2. Data collection and Road inventory
3. Program and Project analysis
4. Modern Road works planning
Agenda
2
4. Design and Implementation of Road Maintenance Reform. Republic of Moldova
0-500 500-1500 1500-4000 4000-7000 7000-
0
20
40
60
80
100
120
Important Elements in the plan:
Name of section
Geographical location
Length
Type of works
Cost estimates
Timing of work
Packaging appropriate
mix of Road works
with regards to
available budgetV ä g m a r k e r in g
V ä g t r u m m o r
B e r g a r b e t e n , b o r r n in g
s p r ä n g n in gM ä tn in g a v
v ä g y ta n s tills tå n d
S lä n te r
E r o s io n s s k y d d
B e lä g g n in g
B ä r la g e r
B ä r ig h e ts m ä tn in g
F a llv ik ts d e f le k t o m e t e r
April- September
August
October
December- March
March - October
September- November
New plan
November- December
August-
October
Road Class
Paved Roads Unpaved Roads
Good Fair Poor Bad Good Poor Bad
National Roads 4 6 8 >8 - - -
Secondary 5 7 9 >9 6 8 10
5. Design and Implementation of Road Maintenance Reform. Republic of Moldova
Road Inventory/Inspection
needs
Engineering
6. Design and Implementation of Road Maintenance Reform. Republic of Moldova
To carry out
• Describe the Road Network
– Data collection (condition data)
• Quantifying the amount of road works needed
• Timing the road works (periodic mtnce, rehab)
• Present a (usually) 3-5 year plan
• Check the available annual budget
• Adjust the planned activities
7. Design and Implementation of Road Maintenance Reform. Republic of Moldova
The content in an engineering plan
Usually available data:
Name of section
Geographical location
Length
Cost estimates
Timing of work
8. Design and Implementation of Road Maintenance Reform. Republic of Moldova
The content in an engineering plan
Usually available data:
Name of section
Geographical location
Length
Cost estimates
Timing of work
Developing the concept
Name of section
Geographical location
Length
Cost estimates for different strategy
Timing of work
Road Network Condition
Defined Rehab/Maintenance strategy
RN Condition during analysis period (5 Y)
Objective of Road Network Expenditures
Benefit and Cost analysis considering
– Road Agency Cost
– Road User Benefit
Prioritization between sections
Different budget scenarios/RD
9. Design and Implementation of Road Maintenance Reform. Republic of Moldova
Modern Road Maintenance planning
0-500 500-1500 1500-4000 4000-7000 7000-
0
20
40
60
80
100
120
GIS
HDM 4
Road Network Development
Cost & Benefit Analysis
Prioritization of works
Quantity of works
Budget appraisal, etc..
Visual Inspection
Bump Integrator
IRI
Distress
Mode
All
Structural
Cracking
(%)
Wide
Structural
Cracking
(%)
Transverse
Thermal
Cracking
(%)
Ravelling
(%)
No.
potholes
per km
Edge
break (m²
per km)
Mean rut
depth
(mm)
New 0 0 0 1 0 0 2
Good 5 0 0 10 0 10 5
Fair 15 9.5 0 20 5 100 15
Poor 20 15 0 25 20 200 20
Bad 25 19 0 30 50 300 25
10. Design and Implementation of Road Maintenance Reform. Republic of Moldova
The plan has to address:
• Road Network Condition development with
regards to different budget scenarios
• Budget allocation:
– Routine maintenance
– Periodic maintenance
– Rehabilitation/reconstruction works
11. Design and Implementation of Road Maintenance Reform. Republic of Moldova
Proposed Road Network standards
TRAFFIC
CLASSES
TERM
(USED FOR
MODELLING IN
HDM4)
SECTIONS > 1000M
Mean Roughness (IRI)
Mean Rutting
(mm)
Periodic
Mtnce
Rehabilitation Reconstruction
Periodic
Mtnce
0-500
Low Traffic (L.
Tra) 5.5 7.0 10.0 25
501-2000
Low – Medium
Traffic (LMTra) 5.5 6.0 10.0 25
2001-4000
Low-Medium
high Traffic
(LMHTra)
5.5 6.0 10.0 18
4001-7000
Medium-High
Traffic (MHTra) 4.5 5.0 9.0 18
> 7000
High Traffic
(HTra) 4.5 5.0 8.0 14
12. Design and Implementation of Road Maintenance Reform. Republic of Moldova
Proposed Road Network standards
TRAFFIC
CLASSES
TERM
(USED FOR
MODELLING IN
HDM4)
SECTIONS > 1000M
Mean Roughness (IRI)
Mean Rutting
(mm)
Periodic
Mtnce
Rehabilitation Reconstruction
Periodic
Mtnce
0-500
Low Traffic (L.
Tra) 5.5 7.0 10.0 25
501-2000
Low – Medium
Traffic (LMTra) 5.5 6.0 10.0 25
2001-4000
Low-Medium
high Traffic
(LMHTra)
5.5 6.0 10.0 18
4001-7000
Medium-High
Traffic (MHTra) 4.5 5.0 9.0 18
> 7000
High Traffic
(HTra) 4.5 5.0 8.0 14
14. Design and Implementation of Road Maintenance Reform. Republic of Moldova
Assigned Rehabilitation Maintenance
4 different standards
1. Do minimum (only Routine mtnce)
2. Minimum Standard (A)
3. Moderate Standard (B)
4. Required Standard (C)
A, B, C is compared to Do minimum
( Do Minimum = basically, routine maintenance )
15. Design and Implementation of Road Maintenance Reform. Republic of Moldova
Routine maintenance
TYPE WORK
ACTIVITY
INTERVENTION CRITERIA FOR
ROUTINE MAINTENANCE
UNIT
COSTS
LEI
(m2
)
Minimum
(A)
Moderate
(B)
Required
(C)
Routine
Crack Sealing Wide structural
cracking > 10%
Wide structural
cracking > 7%
Wide structural
cracking > 5%
67.0
Edge repair Edge break > 5
m2
/km
Edge break > 2
m2
/km
Edge break > 1
m2
/km
134.0
Pothole
Patching
Pothole > 4
no/km
Pothole > 2
no/km
Pothole > 1
no/km
167.0
16. Design and Implementation of Road Maintenance Reform. Republic of Moldova
Routine maintenance
TYPE WORK
ACTIVITY
INTERVENTION CRITERIA FOR
ROUTINE MAINTENANCE
UNIT
COSTS
LEI
(m2
)
Minimum
(A)
Moderate
(B)
Required
(C)
Routine
Crack Sealing Wide structural
cracking > 10%
Wide structural
cracking > 7%
Wide structural
cracking > 5%
67.0
Edge repair Edge break > 5
m2
/km
Edge break > 2
m2
/km
Edge break > 1
m2
/km
134.0
Pothole
Patching
Pothole > 4
no/km
Pothole > 2
no/km
Pothole > 1
no/km
167.0
17. Design and Implementation of Road Maintenance Reform. Republic of Moldova
Routine maintenance
TYPE WORK
ACTIVITY
INTERVENTION CRITERIA FOR
ROUTINE MAINTENANCE
UNIT
COSTS
LEI
(m2
)
Minimum
(A)
Moderate
(B)
Required
(C)
Routine
Crack Sealing Wide structural
cracking > 10%
Wide structural
cracking > 7%
Wide structural
cracking > 5%
67.0
Edge repair Edge break > 5
m2
/km
Edge break > 2
m2
/km
Edge break > 1
m2
/km
134.0
Pothole
Patching
Pothole > 4
no/km
Pothole > 2
no/km
Pothole > 1
no/km
167.0
18. Design and Implementation of Road Maintenance Reform. Republic of Moldova
TYPE WORK
ACTIVITY
INTERVENTION CRITERIA FOR
MAINTENACE PROGRAM
UNIT
COSTS
LEI
(m2)
DoMinimum(table6)
Routinemaintenanceonly
Minimum
(A)
Moderate
(B)
Required
(C)
Periodic
maintenance
Surface dressing
with shape
correction 20 mm
5.5< IRI <
6.5
5.0 < IRI < 6.5 4.5 < IRI < 6.5 107,0
Rehabilitation
40 mm asphalt on
existing material
IRI > 8.0 IRI > 7.0 207,7
Reconstruction
Asphalt mix on
granular base 50
mm
IRI > 10 268,0
Strategies for roads with traffic < 500
19. Design and Implementation of Road Maintenance Reform. Republic of Moldova
Strategies for roads with traffic > 501 < 2000
TYPE WORK
ACTIVITY
INTERVENTION CRITERIA FOR
REHABILITATION PROGRAM
UNIT
COSTS
LEI
(m2)
DoMinimum
Routinemaintenanceonly
Minimum
(A)
Moderate
(B)
Required
(C)
Periodic
maintenance
Surface dressing
with shape
correction 25
mm
5.5< IRI < 6.5 5.0 < IRI < 6.5
4.5 < IRI <
6.5
127,3
Rehabilitation
50 mm asphalt
on existing
material
IRI > 8.0 IRI > 6.0
247,9
Reconstruction
40 mm asphalt
on
60 mm asphalt
base
IRI > 10 469
20. Design and Implementation of Road Maintenance Reform. Republic of Moldova
Strategies for roads with traffic > 2001 < 4000
TYPE WORK
ACTIVITY
INTERVENTION CRITERIA FOR
REHABILITATION PROGRAM
UNIT
COSTS
LEI
(m2)
DoMinimum
Routinemaintenanceonly
Minimum
(A)
Moderate
(B)
Required
(C)
Periodic
maintenance
Surface dressing
with shape
correction 30 mm
5.5< IRI < 6.5 4.5 < IRI < 6.5 4 < IRI < 6.5
147,4
Rehabilitation
50 mm asphalt on
existing material
IRI > 7.0 IRI > 6.0 247,9
Reconstruction
50 mm asphalt on
60 mm Asphalt
Base
IRI > 10 556,1
21. Design and Implementation of Road Maintenance Reform. Republic of Moldova
Strategies for roads with traffic > 4001 < 7000
TYPE WORK
ACTIVITY
INTERVENTION CRITERIA FOR
REHABILITATION PROGRAM
UNIT
COSTS
LEI
(m2)
DoMinimum
Routinemaintenanceonly
Minimum
(A)
Moderate
(B)
Required
(C)
Periodic
maintenance
Surface dressing
with shape
correction 30 mm
5.5< IRI < 6.5 4.5 < IRI < 6.5 4 < IRI < 6.5
147,4
Rehabilitation
50 mm asphalt on
existing material
IRI > 7.0 IRI > 6.0 247,9
Reconstruction
50 mm asphalt on
110 mm Asphalt
Base
IRI > 10 703,5
22. Design and Implementation of Road Maintenance Reform. Republic of Moldova
Strategies for roads with traffic > 4001 < 7000
TYPE WORK
ACTIVITY
INTERVENTION CRITERIA FOR
REHABILITATION PROGRAM
UNIT
COSTS
LEI
(m2)
DoMinimum
Routinemaintenanceonly
Minimum
(A)
Moderate
(B)
Required
(C)
Periodic
maintenance
Surface dressing
with shape
correction 30 mm
5.5< IRI < 6.5 4.5 < IRI < 6.5 4 < IRI < 6.5
147,4
Rehabilitation
50 mm asphalt on
existing material
IRI > 7.0 IRI > 6.0 247,9
Reconstruction
50 mm asphalt on
140 mm Asphalt
Base
IRI > 10 770,5