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1. Network analysis isa
generic name for a
variety of techniques
which are used to
analyse the
sequence of tasks in
a project. It was
originally developed
in the late 1950's in
the USA to help
manage the research
work on the Polaris
nuclear missile
system. The aim of
network analysis isto
make a complex
series of tasks
simpler to
understand and
schedule, thus saving
time and money and
mistakes. Critical
path analysis and
Programme
Evaluation and
Review Technique
(PERT)are forms of
network analysis.
"When you are inspired by some great purpose, some extraordinary project, all your thoughts break their bonds:
Your mind transcends limitations, your consciousness expands in every direction, and you find yourself in a new,
great, and wonderful world. Dormant forces, faculties and talents become alive, and your discover yourself to
be a greater person by far than you ever dreamed yourself to be." (Patanjali)
"It pays to plan ahead. It wasn't raining when Noah built the ark." (Source Unknown)
The following is an example of tasks in
wallpapering a room.There are 11 tasks. Some
are independent of others; some dependent.
Network Analysis
How aProject BreaksDownandFitsTogether
MTL Infographics
Skill
Boosters
233
Network analysis makes a
project easier to understand
by...
• logically sequencing tasks in
a diagram from left to right
• showing tasks that can be
carried out in parallel and thus
save time
• calculating overall times for
the project
• calculating the shortest time
in which the project can be
completed ie the critical path
• indicating where time can be
saved.
The Network Analysis
A.Movefurniture 15
B.Removepictures 10
C.Positiondust-sheets 5
D.Stripoldwallpaper 240
E.Preparepaste,leavetosoak 30
F.Cutlengthsofwallpaper 2
G.Applypaste 3
H.Hangandsmoothe 3
I. Trimtop andbottom 2
J.RepeatFGHI by20times 200
K.Tidyup 20
Totaltime: 530
B
CA
Star
F
G
TheWork Breakdown Structure
TheWork Breakdown Structure is a key aid to
the network analysis. One shows tasks
horizontally, theWBS shows them vertically.
1.0.0
Wallpapering
the room
1.1.0
Preparation
1.3.0
Hanging
1.2.0
Cut, paste