Back to Cpm Pert And S Curve Training Module repository
Cpm Pert And S Curve Training Module2D

Module 2: CPM Fundamentals and Critical Path Scheduling - Cpm Pert Scurve Training Module02 Float Diagnosis

Network logic, activity sequencing, forward pass, backward pass, float analysis, and critical path control for construction management.

Open the complete lesson

Interactive Float Diagnosis Simulator

Manipulate duration and start delays to visualize how Total Float and Free Float are dynamically consumed.

Simulation Inputs
Activity B (Excavation) Duration5 days
Activity C (Formwork) Duration4 days
Delay Activity C Start0 days
Float Computations for Activity C

Total Float (TF)

TFC=LSCESC=43=1TF_{\text{C}} = LS_{\text{C}} - ES_{\text{C}} = 4 - 3 = 1

Free Float (FF)

FFC=ESDEFC=87=1FF_{\text{C}} = ES_{\text{D}} - EF_{\text{C}} = 8 - 7 = 1
Dynamic Gantt Schedule Representation
Day 0
Day 2
Day 4
Day 6
Day 8
Day 10
Day 12
Day 14
Day 16
Act A
Site Prep (3d)
Act B
Excavation (5d)
Act C
Formwork (4d)
FF=1
Act D
Concreting (2d)
Diagnosis & Analysis

Activity C is on schedule. It has 1 days of Total Float and 1 days of Free Float. You can delay it up to 1 days without pushing successor D, or up to 1 days without pushing the project end.