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Road Asset Management System (RAMS) Lite

A simplified approach to Road Asset Management

Objective of RAMS

• Initial exposure

• Setup organisational policy

• Accessible / Cost effective RAMS

• Conform to asset management guidelines (TMH 22)

Components

• Road asset register

• Asset condition assessment

• Life cycle analysis

• Reporting

• Visualisation

• Gap analysis

Assets

Asset Register

• Roads links – uniform sections

• RISFSA classification

• Geo-location

• Asset components – Surfacing, base, abutments etc.

Field Assessment

• MOBICAP

– Geo-reference roads

– Assess pavement visual condition (TMH9)

Road Condition

• TMH 9 visual assessment

– Defects• Cracking

• Failures

• Functional condition

– Degree / extent rating

RAMS Analysis – MS Excel / VBA

• MS Excel environment

• Basis of analysis – asset visual condition

• Life cycle cost analysis

– Condition analysis

– Prioritisation

– Deterioration / Amelioration

– User and agency costs

Life Cycle AnalysisAsset

ConditionPrioritise

Budget Constraint

M+R(Agency Costs)

Budget Constraint

Deteriorate Next Year

Road User Costs

X

Co

nd

itio

n

Time

Measure Actual

X

Co

nd

itio

n

Time

Predict the future

LCA - Modelling of Road Condition

• M+R effects

– Adjust degree / extent

• Deterioration

– Sygmoidal model

– HDM 4 deterioration model

0

20

40

60

80

100

0 5 10 15 20 25 30 35

CO

ND

ITIO

N IN

DEX

YEARS

ACCB

ACGB

SLGB

Co

nd

itio

n

Time

Limit

Maintain or Rehabilitate

LCA – Maintenance and Rehabilitation

• M+R triggers– Defect / degree / extent

• Opex– Crack seal

– Patch

• Capex– Overlay

– In-situ recycle

– New construction

Co

nd

itio

n

Time

Deteriorate

Increased User Costs

LCA - Prioritisation

• Road condition (TMH 9)

• RISFSA classification

– Strategic importance

– Socio-economic benefit

– Corridor development

• Traffic type and volume

LCA Output

• Road network condition

– Distribution based on available budgets

– Target / Current / Model

0%

20%

40%

60%

80%

100%

Very Poor(VCI < 30)

Poor(30 < VCI < 50)

Fair(50 < VCI < 70)

Good(70 < VCI < 85)

Very Good(85 < VCI < 100)

% o

f N

etw

ork

Target

Current

Model

LCA Output

• Agency costs

– Maintenance and rehabilitation

– Upgrade / new construction

• Road user costs

– Vehicle operating (Roughness/VCI)

– Time (Capacity)

Life Cycle Cost Analysis

Agency Costs

(M&R)User Costs

(time, vehicle)

LCA Output

• Asset valuation

– Sum of component values

– Depreciate based on condition

0

50

100

150

200

250

300

350

400

2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023

As

se

t V

alu

ati

on

Mill

ions

Year

Visualisation

• Google Earth

• LCA data exported to .kml

X

Co

nd

itio

n

Time

X

X

Gap Analysis

• Organisation knowledge/ structure

• Model calibration

Conclusion

• Simplified approach to RAMS

• Foundation in basics of roads asset management

• First step to:

– Asset Register

– Level III / IV RAMS

– Integrated Asset Management