My Provision Store · PERT & CPM

PERT & CPM Analysis

Program Evaluation Review Technique · Critical Path Method for My Provision Store
Critical Path: 28.7 Days
PERT Estimation (Days)
Task Optimistic Most Likely Pessimistic Expected
A · Requirements 2 3 5 3.1
B · UI/UX Design 5 7 10 7.1
C · Frontend Development 8 10 15 10.5 ⚠️
D · Backend (DB) 7 8 12 8.5
E · Testing & QA 4 6 8 6.0 ⚠️
F · Deployment 1 2 3 2.0 ⚠️
Expected = (Optimistic + 4×Most Likely + Pessimistic) / 6
Critical Path Method
Path 1 (Critical): A → B → C → E → F
A → B → C → E → F 28.7 Days
Path 2 (Non-Critical): A → B → D → E → F (Float: 2 days)
Total Project Duration: 28.7 Days
Critical tasks are marked in yellow
PERT Timeline · Task Duration
A · Req.
3.1d
B · Design
7.1d
C · Frontend
10.5d ⚠️
D · Backend
8.5d
E · Testing
6.0d ⚠️
F · Deploy
2.0d ⚠️
Non-Critical Critical Path
Resource Allocation
Frontend Dev: 100%
Backend Dev: 100%
Tester: 50%
Server: 24/7
Project Manager: 100%
UI/UX Designer: 70%
Leveling: Shift UI/UX to Week 1 → reduce peak load on Frontend
Project Crashing

Scenario: Deadline moved up by 5 days. Options to reduce duration:

Option A: Add 1 more developer to Frontend
+₹10,000 · Saves 4 days
Option B (Recommended): Outsource Admin Panel
+₹8,000 · Saves 5 days
New Duration after Crashing: 23.7 Days
PERT Network Diagram
A (3.1) B (7.1) C (10.5) E (6.0) F (2.0)
Critical Path  |  Non-Critical
Total Expected Duration: 28.7 Days