1. Preparation
1.1. Task 1
1.2. Task 2
1.3. Task 3
1.4. Task 4
2. Strip-down & Removals
2.1. Task 1
2.2. Task 2
2.3. Task 3
2.4. Task 4
3. Modification processes
3.1. Task 1
3.2. Task 2
3.3. Task 3
3.4. Task 4
4. Re-build & Re-assembly
4.1. Task 1
4.2. Task 2
4.3. Task 3
4.4. Task 4
5. System test
5.1. Task 1
5.2. Task 2
5.3. Task 3
5.4. Task 4
6. Delivery