For question, why this RSA. SR just want to utilise the LHB rake which is lying idle in MS and TPJ yard from morning till night. Hence they came up with plan of RSA by which they can use idle rake. With this, SR can show in their report that x% of trains they have LHBfied.
For maintaining it separately, train will require separate rake. As of now they are using available rake. Additional rake means, additional slot at yard.
Rake 1: Pandian(MDU-MS) on Day 1- Cholan(MS-TPJ) on Day 2 - RF(TPJ-MS) on...
more... Day 2 - RF(MS-TPJ) on Day 3 - Cholan( TPJ-MS) Day 4- Pandian(MS-MDU) Day 4. Day 5 it will go maintenance at MDU
Rake 2: Pandian(MDU-MS) on Day 2- Cholan(MS-TPJ) on Day 3 - RF(TPJ-MS) on Day 3 - RF(MS-TPJ) on Day 4 - Cholan( TPJ-MS) Day 5- Pandian(MS-MDU) Day 5. Day 6 it will go maintenance at MDU
Rake 3: Pandian(MDU-MS) on Day 3- Cholan(MS-TPJ) on Day 4 - RF(TPJ-MS) on Day 4 - RF(MS-TPJ) on Day 5 - Cholan( TPJ-MS) Day 6- Pandian(MS-MDU) Day 6. Day 7 it will go maintenance at MDU
Rake 4: Pandian(MDU-MS) on Day 4- Cholan(MS-TPJ) on Day 5 - RF(TPJ-MS) on Day 5 - RF(MS-TPJ) on Day 6 - Cholan( TPJ-MS) Day 7- Pandian(MS-MDU) Day 7. Day 1 it will go maintenance at MDU
Rake 1 will go on Day 5, rake 2 will go on Day 6, rake 3 will go on Day 7, rake 4 will go on Day 1
Day 1: Monday, 2-tuesday etc etc