UNHCR/e-Centre/InterWorks - Emergency Management Training 10.6.1.
Session 10.6.Session 10.6.
Project Management:Project Management:PERT / CPMPERT / CPM
PERTInterWorks/UNHCR 10.6.2.
Creating Order from ChaosCreating Order from Chaos
What needs to be done?
When?
What to do first?
Have you done everything?
What comes next?
PERTInterWorks/UNHCR 10.6.3.
Management ToolsManagement Tools listslists diagramsdiagrams schedulesschedules budgetsbudgets chartscharts
6
Jan Feb Mar Apr May Jun Jul Aug
assessmentidentify sitecontract surveycontract water systemcontract food deliverypurchase tentsdesign camp layoutset up logisticsbegin construction
Gantt Chart
OrganigrammeOrganigramme
PERTInterWorks/UNHCR 10.6.4.
PERT/CPM DIAGRAMSPERT/CPM DIAGRAMS
Boxes Lines
PERTInterWorks/UNHCR 10.6.5.
Boxes are TASKSBoxes are TASKS
Job
PERTInterWorks/UNHCR 10.6.6.
Lines are RELATIONSHIPSLines are RELATIONSHIPS
First Job Second Job
PERTInterWorks/UNHCR 10.6.7.
Task relationship 1Task relationship 1
findpot
make soup
PERTInterWorks/UNHCR 10.6.8.
Task relationship 2Task relationship 2
findpot make
soup
findpotatoes
PERTInterWorks/UNHCR 10.6.9.
Task relationship 3Task relationship 3
findknife
peel potatoes
chop onions
cut carrots
PERTInterWorks/UNHCR 10.6.10.
Task relationship 4Task relationship 4
findknife
peel potatoes
chop onions
find vegetables
PERTInterWorks/UNHCR 10.6.11.
Task relationship 5Task relationship 5
start identifysite
ordertents
end
PERTInterWorks/UNHCR 10.6.12.
Logic Error 1-LoopingLogic Error 1-Looping
identifysite
deploytents
transportpeople
calculate tent deficit
PERTInterWorks/UNHCR 10.6.13.
Correction for loopingCorrection for looping
identifysite
deploytents
transportpeople
calculate tent deficit
deploytents
PERTInterWorks/UNHCR 10.6.14.
Logic error 2 - DanglingLogic error 2 - Dangling
start identifysite
preparebudget
contractlabor
finish
surveysite
PERTInterWorks/UNHCR 10.6.15.
Correction for DanglingCorrection for Dangling
start identifysite
preparebudget
contractlabor
finish
surveysite
PERTInterWorks/UNHCR 10.6.16.
A control loop is something else.A control loop is something else.Don’t try to include one in this type of Don’t try to include one in this type of
analysis.analysis.
implementrevisions
monitorprogress
compareto plan
decide oncorrective
action
revise plan
PERTInterWorks/UNHCR 10.6.17.
REMEMBER!REMEMBER! This technique is useful for things that have clear starting and ending points. Always include a start and a finish box in the diagram.
start finish
A
B
C
PERTInterWorks/UNHCR 10.6.18.
PERT/CPM problem 1PERT/CPM problem 1
ExampleG Follows U and must be completed before H can start.
U G H
PERTInterWorks/UNHCR 10.6.19.
Answer to PERT/CPM problem 1Answer to PERT/CPM problem 1
U G H
E M T P
I S
KROW
PERTInterWorks/UNHCR 10.6.20.
Task DurationTask Duration
5Identify
Site
how much time will it take?
PERTInterWorks/UNHCR 10.6.21.
Task duration and scheduleTask duration and schedule
5IdentifySite
11 16
11 + 5 = 16
earliest start date earliest finish date
PERTInterWorks/UNHCR 10.6.22.
Looking ForwardLooking Forward
5Identify
Site
11 16
11 + 5 = 16
earliest start date earliest finish date
PERTInterWorks/UNHCR 10.6.23.
Looking backLooking back
5Identify
Site
11 16
19 - 5 = 1414 19
latest start date latest finish date
PERTInterWorks/UNHCR 10.6.24.
Task ChainTask Chain
0 5 8
0 5 5 13
15772
start ordertents
identifysite
PERTInterWorks/UNHCR 10.6.25.
PERT/CPM Exercise 2PERT/CPM Exercise 2
start
end
A B
C D E
F H J
K L M
3
0
2
10 5 7
12 6
5
11
5
2
7
G 0
PERTInterWorks/UNHCR 10.6.26.
PERT/CPM Problem 2 AnswerPERT/CPM Problem 2 Answer
start
end
A B
C D E
F G H J
K L M
3
0
2
10 5 7
12 6
5
11
5
2 0
7
0 3 3 5
29 36
36
36363429181812120
0 12 12 18 18 29 29 31
0 10 10 5
17 22 22 29 29 34
24 27 27 29
8 18 24 29 29 36
0 5 5 12 12 17
PERTInterWorks/UNHCR 10.6.27.
The “Critical Path”The “Critical Path”
start
end
A B
C D E
F G H J
K L M
3
0
2
10 5 7
12 6
5
11
5
2 0
7
0 3 3 5
29 36
36
36363429181812120
0 12 12 18 18 29 29 31
0 10 10 5
17 22 22 29 29 34
24 27 27 29
8 18 24 29 29 36
0 5 5 12 12 17
PERTInterWorks/UNHCR 10.6.28.
CONCLUSIONSCONCLUSIONSAs an emergency manager, you need all of the help you can get.
You need good management tools
The right tools must be used for the right jobs
PERT/CPM is one good tool for managing and scheduling complex jobs which can be completed (not repetitious service or support jobs)