A federal IMS is a work-breakdown-structured schedule with formal milestone gates tied directly to CDRL due dates and the ATO go-live gate — it's your familiar Gantt discipline, with the milestones now carrying contractual weight rather than just internal tracking.
| WBS # | Milestone / Task | Start | Finish | Tied To | Status |
|---|---|---|---|---|---|
| 1.0 | Task Order Kickoff & Mobilization | Mo. 1 | Mo. 1 | PWS | Complete |
| 1.1 | Project Management Plan (CDRL A001) | Mo. 1 | Mo. 1 | CDRL A001 | Complete |
| 1.2 | IMS Baseline (CDRL A002) | Mo. 1 | Mo. 1 | CDRL A002 | Complete |
| 2.0 | Requirements & Solution Architecture | Mo. 2 | Mo. 3 | PWS | In Progress |
| 2.1 | Section 508 Test Plan (CDRL A004) | Mo. 2 | Mo. 2 | CDRL A004 | In Progress |
| 3.0 | Development & Data Migration Build | Mo. 3 | Mo. 6 | PWS | Not Started |
| 3.1 | System Security Plan / SSP (CDRL A005) | Mo. 3 | Mo. 3 | CDRL A005 | Not Started |
| 4.0 | Section 508 / VPAT Testing (CDRL A006) | Mo. 6 | Mo. 6 | CDRL A006 | Not Started |
| 5.0 | ATO Security Assessment & Package (CDRL A007) | Mo. 6 | Mo. 7 | CDRL A007 | Not Started |
| G1 | Milestone Gate: Authority to Operate Granted | Mo. 7 | ATO Package | Gate | |
| 6.0 | Data Migration Cutover (CDRL A009) | Mo. 7 | Mo. 7.5 | CDRL A009 | Not Started |
| G2 | Milestone Gate: Production Go-Live | Mo. 8 | ATO + Data Migration | Gate | |
| 7.0 | Stabilization Support (Option Period) | Mo. 8 | Mo. 14 | PWS Option | Not Started |
| 8.0 | Task Order Closeout (CDRL A010) | Mo. 14 | Mo. 14 | CDRL A010 | Not Started |