Activity ID | Activity Name | Duration | Predecessors | Successors | Leads/Lags
1 | Review Charter & Scope | 3 days | — | 2 | FS +0
2 | Project Charter Approval | 1 day | 1 (FS +0) | 3 | FS +0
3 | Review WBS & Decompose Work Packages | 4 days | 2 (FS +0) | 4 | FS +0
4 | Requirements Gathering | 5 days | 3 (FS +0) | 5 | Successor FS +2 Lag
5 | Requirements Documentation | 10 days | 4 (FS +2 Lag) | 6 | FS +0
6 | Feasibility Analysis | 5 days | 5 (FS +0) | 7 | FS +0
7 | Requirements & Feasibility Sign‑off | 1 day | 6 (FS +0) | 8, 9 | To 9: FS –3 Lead
8 | System Architecture Design | 20 days | 7 (FS +0) | 10 | FS +0
9 | UI/UX Mockups | 15 days | 7 (FS –3 Lead) | 11, 13, 14 | To 13/14: FS –2 Lead
10 | Database Design | 10 days | 8 (FS +0) | 11 | Successor FS +1 Lag
11 | Asset Management Development | 30 days | 10 (FS +1 Lag) | 15 | FS +0
12 | AR Module Development | 25 days | 9 (FS +0) | 15 | FS +0
13 | Visitor App Development | 28 days | 9 (FS –2 Lead) | 15 | FS –2 Lead
14 | Ticketing & Membership Portal | 20 days | 9 (FS –2 Lead) | 15 | FS –2 Lead
15 | System Integration | 34 days | 11, 12, 13, 14 | 16 | To 16: FS +1 Lag
16 | System Testing | 20 days | 15 (FS +1 Lag) | 17 | FS +0
17 | User Acceptance Testing (UAT) | 15 days | 16 (FS +0) | 18, 19 | To 19: FS –2 Lead
18 | Training | 7 days | 17 (FS +0) | 20 | FS +0
19 | Documentation | 15 days | 17 (FS –2 Lead) | 20 | FS –2 Lead
20 | Final Deployment & Go‑Live | 4 days | 18, 19 | — | FS +0
