Project Management

HNC Computing 2000

Unit 8 Quality Management

Prepared by S Hargrave

Time

CostQuality Features

Project manager must negotiate for more time, more people or fewer features

Project Management

Planning identifying activities determining order estimating length deciding on resources

Control ongoing reallocating resources

Documentation

Requirements specification Purchase requisition forms Manpower budget Change control documents Work plan/task list

Techniques

Gantt Charts Project Evaluation and Review

Techniques (PERT) Critical Path Analysis (CPA)

Project Management Tool : Network Analysis Critical Path Diagrams

Planned activities Dependencies

Case Study

Installing a network

Identify Activities Carry out initial study of

needs Invite tenders from

suppliers appoint suppliers obtain computer

equipment convert classroom advertise for technician shortlist candidates and

invite to interview

Interview candidates test computer hardware procure office furniture install furniture and

network system procure network software prepare documentation for

users test network correct system faults train staff

Activity dependence

Network Analysis (1)

1 2 3A B

Activity B starts when Activity A ends

Network Analysis (2)

3

4

5 6

C

D

E

E begins when both C and D have finished

Network Analysis (3)

3

4

21A

B

C

Rules for Network Drawing

There must be only one start node and one finish node

No activities are allowed to have the same start and finish node

Arrows should go from left to right

Network Analysis (4)A

B

WRONG

Dummy Activity RIGHT

Activity PrecedingActivity

Duration(Days)

LatestStartTime

EarliestStart Time(of nextactivity)

SlackTime

A Initialsurvey

None 15 0

B InviteTenders

A 19 15

C AppointSuppliers

B 5 34

D ObtainComputerEquipment

C 10 39

E ConvertClassroom

C 40 39

Latest Starting Time

Slack Time

E LD

Slack Time =

EST of following activity minus no of days for current activity minus LST of current activity

Slack Time continuedActivity Preceding

ActivityDuration(Days)

LatestStartTime

EarliestStartTime(of nextactivity)

SlackTime

A Initial survey None 15 0 15 0

B Invite Tenders A 19 15 34 0

C AppointSuppliers

B 5 34 39 0

D ObtainComputerEquipment

C 10 39 79 30

E ConvertClassroom

C 40 39 79 0

CriticalPath

Resource Scheduling