Journal of Railway Transportation and Technology Vol.
3 No.
eSSN: 2830-6880 Analysis of Maintenance Priority Scale Determination of Permanent Way MRT Jakarta with Reliability Centered Maintenance Method Atria Destiadrisa Andhita1.
Rusman Prihatanto2.
Hana Wardani Puruhita3 Indonesia Railway Polytechnic.
Madiun.
Jawa Timur 63161.
IINDONESIA Article Info Article history:
Received 11 September.
Revised 20 October, 2024 Accepted 25 November.
Keywords:
Prioritization Scale Criticality Value Railway Components ABSTRACT Inspection and maintenance of infrastructure to maintain service life and to restore the function of railway components to match the replacement plan and ensure the feasibility and reliability of the MRT Jakarta operating system as planned.
The priority scale of permanent way maintenance using the Reliability Centered Maintenance (RCM) method, especially on elevated lines, will be obtained for effective and efficient railway maintenance planning.
With quartile calculations based on the criticality value of the first priority results, namely the location of the road or the Fatmawati Station - Cipete Raya Station corridor with a value of 41, the second priority on the Lebak Bulus Station - Fatmawati Station corridor with a value of 38, the third priority on the Cipete raya Station - Haji Nawi Station corridor with a value of 37, the fourth priority on the Blok A - Blok M Station corridor with a value of 36, the fifth priority on the haji Nawi - Blok A Station corridor with a value of 34, and on the sixth priority on the Blok M - ASEAN Station corridor with a total value of 29.
Corresponding Author Atria Destiadrisa Andhita Construction and Railway Technology.
Indonesian Railway Polytechnic Jl.
Tirta Raya.
Pojok.
Nambangan Lor.
Manguharjo.
Madiun.
Jawa Timur 63161.
Indonesia Email: kontak@ppi.
INTRODUCTION
Trains are one of the mass land transportation tools that have recently experienced an increase in users.
Jabodetabek train passengers were 25.
1 million people or 79.
58 percent of total train passengers.
The increase in the number of passengers occurred in the Jabodetabek and Non Jabodetabek Java regions, up 0.
41 percent and 3.
85 percent Large capacity, punctuality, freedom from congestion, relatively affordable prices, and high levels of safety make trains a mainstay of society.
MRT Jakarta is one of the important modes of transportation in an integrated transportation system, with optimal quality and low prices so that the MRT Jakarta company optimizes every stage of the entire process including maintenance methods.
PT.
MRT Jakarta has a railway line with a total length of 15.
7 km with a total of 13 stations which are divided into two sections, namely elevated with 7 stations from Lebak Bulus Station - ASEAN Station and 6 underground stations from Senayan Station - HI Roundabout Station and there is 1 depot located in Lebak Bulus.
In 2023, the MRT Jakarta experienced a thermite rail joint malfunction when an inspection of the rail joint was carried out, a cavity was found in the rail joint which caused a new rail piece to be replaced on the Cipete Raya - Haji Nawi line in August 2023.
Regulation of the Minister of Transportation Number 32 concerning Standards and Procedures for Railway Infrastructure Maintenance, every railway infrastructure operator is required to carry out maintenance of the operated infrastructure to maintain the reliability of railway infrastructure so that it remains fit for Atria Destiadrisa Andhita et al.
Journal of Railway Transportation and Technology.
Vol 3 No.
Reliability Centered Maintenance (RCM) reliability-based maintenance method for the maintenance of railway components based on priorities per corridor.
RCM is a method that includes creating a malfunction which will then look for aspects of damage.
With the aspects of damage and the cause of damage will be determined so that the effect of damage can be analyzed on the implementation of maintenance.
The priority scale of permanent way maintenance especially on elevated lines, will be obtained from the calculation of criticality values that are reviewed from several aspects ranging from technological aspects to the condition of railway components.
RESEARCH METHOD
The primary data and secondary data needed are data from the inspection of the MRT Jakarta railway components from Lebak Bulus Station - ASEAN Station.
The data is then processed through the calculation of passing tonnage, quartile calculation, classification of component damage, and calculation of the percentage of component Furthermore, data analysis is carried out using the Reliability Centered Maintenance (RCM) method to determine the maintenance priority scale based on the criticality value to planning component maintenance scheduling from the calculation of maintenance priorities per corridor.
According to (Nowlan & Heap, 1.
RCM can be defined as a systematic approach to system functionality, the failure of that functionality, the cause of the damage, and the infrastructure affected by the damage.
Once the damage is known, it is classified using safety, reliability, and economic considerations on a priority basis.
Table 1 Parameters of Reliability Centered Maintenance Method
Factors Calculation Supporting Factors Technology Traffic density Return
Train
Operations Operating Speed
Facility Users Reliability Railway
Class
Reliability Track
Quality Index (TQI) Cost
Environmental Impact
Safety Type of operational technology used Number of train circulation asset use in day
Modelled return on asset use Score 1
Mechanical Critical Classification Score 2
Score 3
ElectroElectricity Score 4
Electronic 1 Ae 20
20 Ae 60
60 Ae 200
> 200
Low
Medium
High
Very High
Legth of train operating 6 hours 12 hours 18 hours 24 hours Operating Speed
Low
Medium
High
Very High
Number of passengers passing through the road
Low
Medium
High
Very high
Passing Tonnage IV Ae V
i Geometric assessment using track master
0 Ae 20
21 Ae 40
41Ae60
> 60
Low Medium High Very high Low Low Low Low Medium Medium Medium Medium High High High High Very high Very high Very high Very high Fastening Sleeper Track Bed Number of rail joint failures fish plate, thermit Number of fastening failures Number of sleeper failures Number of track bed failures Maintenance cost in a year Noise generated Low Medium High Very high Number of Small radius Number of curve in a Low Medium High Very high Arch length < 800m Low Medium High Very high Joint Maintenance Description Atria Destiadrisa Andhita et al.
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3 RESULT AND DISCUSSION
1 Condition of the MRT Jakarta Line The MRT Jakarta line construction is an elevated structure that stretches 8.
73 km from the Lebak Bulus area to ASEAN.
The MRT Jakarta line is a double track or double track with the term uptrack for train travel from Lebak Bulus Station - Bundaran HI Station .
mall kilometer to large kilomete.
, and for downtrack for train travel from Bundaran HI Station - Lebak Bulus Station .
arge kilometer to small kilomete.
The seven elevated stations of this construction are as follows:
Lebak Bulus (LBB) Fatmawati (FTM) Cipete Raya (CPR) Haji Nawi (HJN) Blok A (BLA) Blok M (BLM) ASEAN (ASN).
2 Inspection Results of the MRT Jakarta Railway The results of the MRT Jakarta railway component inspection from the results of primary and secondary findings.
For secondary findings, damage is reported on the exodus application accompanied by images and a brief description of the component damage.
From the damage to the railway components, it is previously necessary to know the number of assets owned by the MRT Jakarta line as follows:
Table 2 Total Sleeper and Fastening System Assets No.
Koridor Rail Line Leght .
Number of Sleeper .
LBB-FTM
Number of Fastening System
FTM-CPR
CPR-HJN
HJN-BLA
BLA-BLM
BLM-ASN
3 Passing Tonnage The load of a known train set crossing the Lebak Bulus Station to ASEAN Station roadbed is calculated according to its formation.
A train set consists of several trains equipped with drives.
The MRT Jakarta has a total of 16 train sets with 6 trains in one train set.
Figure 1 General Specification of MRT Jakarta Train Set The calculation of passing tonnage includes the weight of the facilities and the number of train trips.
The number of train trips in one day in 2023 is 131 trips/day and the weight of the facilities is as follows:
Table 3 Weight of MRT Jakarta Train Set Type of Weight No.
Train .
Tc2 Car M1 Car M2 Car M1Ao Car M2Ao Car Tc1 Car TE = total weight of train set TE = Tc1 M1 M2 M1A M2A Tc2 TE = 49.
TE = 321,085 tonAEday Atria Destiadrisa Andhita et al.
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TE total = TE x trip TE total = 321,085 x 131 TE total = 38.
089,784 tonAEday Then if converted to T based on the T equation as follows:
T = 360 x S x TE T = 360 x 1,1 x 38.
089,784
T = 16.
554,46 tonAEyear 4 Prioritization Based on Criticality Value The examination data is then subjected to quartile calculations to determine the weighting assessment boundaries from the lowest value of 1 to the highest value of 4 and means the most priority.
Example of determining the weighting value with quartile calculation:
Table 4 Environmental impact of noise Limit of Actual Noise No.
Corridor Noise .
B) .
B) LBB-FTM
80,15
FTM-CPR
CPR-HJN
HJN-BLA
83,25
BLA-BLM
79,35
BLM-ASN
The data obtained is then sorted based on the smallest to largest results.
Table 5 Sorting of Environmental Impact Data Limit of Actual Noise No.
Corridor Noise .
B) .
B) BLM-ASN
BLA-BLM
79,35
LBB-FTM
80,15
CPR-HJN
HJN-BLA
83,25
FTM-CPR
Calculation of quartile boundary values using the formula:
ycE1 = 76,2 0,25 .
,35 Ae 76,.
= 76,99 ycE2 = 80,15 0,5 .
,6 Ae 80,.
= 80,88 ycE3 = 83,25 0,75 .
Ae 83,.
= 83,81 Table 6 Environmental Impact Limitation Value No.
Score
Interval
> 83,81
80,88 - 83,81
76,99 - 80,88
< 76,99
Table 7 Environmental Impact Criticality Value Actual Noise Criticality No.
Corridor
B) Value LBB-FTM
80,15
FTM-CPR
CPR-HJN
HJN-BLA
83,25
BLA-BLM
79,35
BLM-ASN
Atria Destiadrisa Andhita et al.
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Technology The signaling and operational technology used by the MRT Jakarta is electric signaling on all corridors using Electricity Overflow and an operational system that uses the Operational Control Center (OCC).
Table 8 Criticality Value of Technology Criticality No.
Corridor Technology Value LBB Ae FTM Electricity FTM Ae CPR Electricity CPR Ae HJN Electricity HJN Ae BLA Electricity BLA Ae BLM Electricity BLM Ae ASN Electricity .
Traffic Density Traffic density is characterized by the amount of circulation in a corridor.
No.
Table 9 Traffic Density Criticality Value Trip
Trip
Criticality Corridor
Value LBB-FTM
FTM-CPR
CPR-HJN
HJN-BLA
BLA-BLM
BLM-ASN
Train Operation Operational Time The length of train operations in one corridor can be seen in the MRT Jakarta Train schedule diagram/GAPEKA and Timetable.
The MRT Jakarta operating hours start from 05.
00 - 24.
00 so the operating hours of the MRT Jakarta facilities are 19 hours.
Table 10 Operational Time Criticality Value Operational Time Criticality No.
Corridor our/da.
Value LBB-FTM
FTM-CPR
CPR-HJN
HJN-BLA
BLA-BLM
BLM-ASN
Speed of Train At the MRT Jakarta, the operational speed of the facility has been set by the OCC team according to the headway and railway conditions.
Data obtained from visual observations of the driver's speedometer during cabin ride activities as follows:
Table 11 Train Speed Criticality Value Operational Criticality No.
Corridor Speed .
m/hou.
Value LBB-FTM
FTM-CPR
CPR-HJN
HJN-BLA
BLA-BLM
BLM-ASN
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Passenger The number of passengers served by a corridor is calculated by dividing the total passengers on all passing trains by the total length of the corridor.
Table 12 Passenger Criticality Value Passenger Criticality No.
Corridor
Value LBB - FTM
FTM - CPR
CPR - HJN
HJN - BLA
BLA - BLM
BLM - ASN
Reliability Railway Class Reliability The class of railway is influenced by the traffic load of a corridor.
The MRT Jakarta has the same traffic load because the facilities used are all the same according to the calculations in the following subchapters 3.
Table 13 Railway Class Reliability Criticality Value Passing Tonnage Criticality No.
Corridor on/yea.
Value LBB-FTM
554,46
FTM-CPR
554,46
CPR-HJN
554,46
HJN-BLA
554,46
BLA-BLM
554,46
BLM-ASN
554,46
Track Quality Index (TQI) The TQI value is a value that represents the condition of the railway geometry horizontally and vertically which is important to take into account because it is one of the biggest contributors to the decline in railway the results of the TQI calculation are as follows:
Table 14 Track Quality Index (TQI) Criticality Value Criticality No.
Corridor
TQI Total
Value LBB-FTM
FTM-CPR
CPR-HJN
HJN-BLA
BLA-BLM
BLM-ASN
Maintenance Maintenance is carried out on components that affect the operation of the facility.
Analysis of railway component damage data is carried out to obtain maintenance weighting values.
Rail Joint There are several types of rail joints used in the MRT Jakarta, namely welding, fishplate / normal joint, insulated rail joint (IRJ) and glue insulated joint (GIJ).
Table 15 Rail Joint Criticality Value Failures of Rail Criticality No.
Corridor Joint .
Value LBB-FTM
FTM-CPR
CPR-HJN
HJN-BLA
BLA-BLM
BLM-ASN
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Fastening System The damage to the fastening system has several aspects to its components.
No.
Sleeper Sleeper damage includes cracking, spalling, and the Anti Vibration System is out or loose.
Table 16 Fastening System Criticality Value Failures of Fastening Criticality Corridor System .
Value LBB-FTM
FTM-CPR
CPR-HJN
HJN-BLA
BLA-BLM
BLM-ASN
Table 17 Sleeper Criticality Value Failures of Criticality Corridor Sleeper .
Value LBB-FTM
FTM-CPR
CPR-HJN
HJN-BLA
BLA-BLM
BLM-ASN
Trackbed The track bed is a concrete-based component with damage such as cracking and spalling.
No.
Table 18 Track Bed Criticality Value Failures of Track Criticality Corridor Bed .
Value LBB-FTM
FTM-CPR
CPR-HJN
HJN-BLA
BLA-BLM
BLM-ASN
Environmental Impact The environmental impact criticality score focuses on noise that impacts passengers and the surrounding Table 19 Environmental Impact Criticality Value Actual Noise Criticality No.
Corridor
B) Value LBB-FTM
80,15
FTM-CPR
CPR-HJN
HJN-BLA
83,25
BLA-BLM
79,35
BLM-ASN
Safety Number of curve The safety factor is assessed through the number of risks that can endanger passengers, one of which is the number of curves.
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Table 20 Number of Curve Criticality Value Number of Criticality No.
Corridor
Value LBB-FTM
FTM-CPR
CPR-HJN
HJN-BLA
BLA-BLM
BLM-ASN
Small radius curved length A small curved radius will affect the safety of train operations because it affects the centrifugal force and speed of the train.
Table 21 Small Radius Curve Length Criticality Value Curve Length Criticality No.
Corridor
Value LBB-FTM
0,157
FTM-CPR
0,164
CPR-HJN
0,357
HJN-BLA
0,368
BLA-BLM
0,892
BLM-ASN
1,126
From all existing parameters from technology to safety, the total value is obtained as follows:
No.
Table 22 Total Criticality Value Total Critical Corridor
Priority Value LBB-FTM
FTM-CPR
CPR-HJN
HJN-BLA
BLA-BLM
BLM-ASN
5 Maintenance Planning The railway maintenance carried out in this plan is maintenance on the upper structural components of the railway such as joints, tethers, sleepers and track beds.
The priority of track bed maintenance is ignored because damage to the track bed has no effect on operations.
The maintenance procedure carried out is based on PM 32 of 2012 concerning Standards and Procedures for Railway Infrastructure Maintenance which is then implemented by PT.
MRT Jakarta in the MRT Jakarta Railway Inspection and Maintenance Manual.
Table 23 Component Maintenance Time Estimation Location (Corrido.
FTM - CPR
LBB - FTM
CPR - HJN
Component Estimated Time Rail Joint Sleeper Fastening Track Bed Rail Joint Sleeper Fastening Track Bed Sleeper Fastening Rail Joint 1 day 2 day 1 day 2 day 5 day 1 day 2 day 1 day 0 day Atria Destiadrisa Andhita et al.
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Location (Corrido.
BLA - BLM
HJN - BLA
BLM - ASN
Component Track Bed
Rail Joint
Sleeper
Fastening Track Bed
Sleeper
Rail Joint
Fastening Track Bed
Sleeper
Fastening Rail Joint
Track Bed
Estimated Time
1 day
8 day
1 day
15 day
1 day
0 day
1 day
1 day
0 day
4 CONCLUSION
The condition of the existing line of the MRT Jakarta on the elevated line has many findings of damage to railway components starting from January 2024 with an open status or no maintenance has been carried out.
Some of these components are joints, fastening systems, bearings / sleepers, and track beds.
Based on the calculation of determining the priority scale of the condition data of the MRT Jakarta elevated line with the Reliability Centered Maintenance (RCM) method from the results of the summation based on the criticality value and the component condition value, the first priority is obtained in the road patch / corridor of Fatmawati Station - Cipete Raya Station, then Lebak Bulus Station - Fatmawati Station, third priority at Cipete Raya Station - Haji Nawi Station, fourth priority in the Blok A - Blok M Station corridor, fifth priority in the Haji Nawi - Blok A Station corridor, and in the sixth priority Blok M - ASEAN Station corridor.
To determine the maintenance planning of railway components refers to PM 32 of 2012 which is then implemented by PT MRT Jakarta into the Railway Inspection and Maintenance Manual.
In determining the time of implementation, it refers to annual schedule planning or annual planning based on maintenance priorities based on the condition of the MRT Jakarta line and its damage.
REFERENCES