REQUIREMENTS ANALYSIS
Requirements analysis is the phase of the project where the requirements of a project are carefully defined. A requirement is a documented need or a description of what a system must accomplish. It is a statement that identifies a necessary attribute, capability, characteristic, or quality of the product of a project.
Product
The project's material outcome is its product. The product may be a service, event or a material object. It includes all necessary aspects of the deliverable including training, documentation, etc. Requirements focus on the product itself rather than the ways of achieving the product, leaving the implementation details for later. Requirements that focus on how the product is achieved are said to have implementation bias.
Requirements Statement
A requirements statement is a detailed accounting of project objectives. It describes the features, functions and performance constraints of the product. It provide the basis for accepting the product, or describes what must be accomplished for the product to be accepted.
The following are some useful techniques to understand user requirements:
- Prototyping
- Pilot
- Use Case Modeling
- describes relationship of a software product and its environment
- JAD (Joint Application Design)
- UML (Unified Modeling Language)
- management tool for object oriented software design
Project Description Document
The Project Description Document and the Project Requirements are used to identify:
- the high-level value of the project to the sponsor and users
- gaps in the requirements when compared to the project scope
- whether the list of requirements is complete and valid enough to move on to next phase
Project Requirements Document - OTN
- all system inputs are defined
- all system outputs are defined
- requirements are validated with sponsors and users
- business rules, special logic, and calculations are defined
- gaps between the requirements and the scope are identified and filled
Requirement Characteristics
- necessary range of inputs
- carefully evaluated to be within the project scope
- complete, accurate, and valid
Types Of Requirements
- business
- functional
- technical
Traceability
- track a requirement to documented need
Configuration Management
- ensure descriptions of projects products are correct and complete
- document physical and functional design characteristics
REFINE SCOPE
- Scope statement will be included in the project plan
- Scope of a project is usually defined during the initiation phase of a project but the scope can change as needed as more analysis is done
WBS (work breakdown structure)
WBS key concepts
- hierarchical task list
- decomposition of project into a collection of work units
- use to determine the project work effort
- basis for planning, schedule, budget
- used to estimate resource requirements, activity durations, and costs
- required to create a Gantt chart
- will be included in the project plan statement
- Phase = highest level element of the WBS
- Work Package = lowest level element of the WBS
- one person responsible for each item, although many may work on that item
- formal approval should be obtained for each deliverable
- authority to sign off should be clearly defined
- depicted as
- tree diagram (or hierarchy chart)
- list in outline form with detailed items subordinated to higher-level items.
- schedule and budget contained in WBS?
Activity or Task
- may be of any size (a project is a very large activity or task)
- sometimes the terms are synonymous
- sometimes the terms are used to denote a piece of work at a particular level in WBS
- e.g. a phase is broken into activities, and an activity into tasks
- defined in each activity or task
- duration
- cost
- resources
- deliverables
SMART: activities or tasks should be
- Specific
- Measurable
- Assignable
- Realistic
- Time-framed
Phase
- highest level element of the WBS
- grouping of activities in a project
- meets a major milestone by providing a significant deliverable
- e.g. requirements definition or product design document
- a project is broken down into a set of phases for control purposes
- phase is usually the highest level of breakdown of a project in the WBS.
Work Package
- lowest level of the WBS at which project accounting is performed
- usually a week or so in duration and performed by an individual or small work group
"Work Package" v "Task" v "Work Unit" v "Activity"
- "task" or "work unit" or "activity" = all ambiguous
- task could be high level, mid-level, or low level, i.e. summary task, sub-task
- work package lowest level for which accounting is performed - unambiguous
best practices
- keep work unit duration as short as possible
- work teams should be small
hierarchy format e.g.
- 1.0 Main task 1
- 1.1 Subtask 1
- 1.2. Subtask 2
- 2.0 Main task 2
- 3.0 Main task 3
Deliverable
- any item produced as the outcome of a project or any part of a project
- project deliverable is differentiated from interim deliverables
- interim deliverables result from activities within the project
- deliverable must be tangible and verifiable
- every element of the WBS (activity or task) must have one or more deliverables.
BUILD TEAM
Issues
- Contract Labor
- Outsourcing
Recruit The Best Candidates
- ask mainly open questions
- develop the interview questions
- develop a mechanism to score responses
- develop a comprehensive job specification
- identify skills, knowledge, and attitudes required for the position
Attributes To Look For In A Candidate
- a positive, team-player attitude
- a goal oriented, Can do disposition
- a knowledge of systems and user documentation
Resource Capabilities And Resource Availability
- have the greatest impact on the actual duration of project tasks
- have the greatest impact on the estimated per unit labor cost
RESPONSIBILITY ASSIGNMENT MATRIX
Maps Work To People
Authority Structure?
ESTIMATION TECHNIQUES
Top Down
- estimate effort/cost/duration/risk of project or phase
- looking at the project as a whole
- comparing project to previously performed similar projects
- methods of comparison
- analogous estimating
- direct comparison
- parametric estimating
- using an algorithm
- experts
- estimating from memory
ROM (Rough Order of Magnitude)
- estimate effort/cost/duration/risk of project or phase
- done early in a projects to get a ball park figure
- about the same as top down.
Parametric
- estimate effort/cost/duration or project or phase
- using an algorithm
- parameters that represent attributes of the project used to calculate
- used in top-down estimating.
Analogous
- estimate effort/cost/duration/risk of project or phase
- estimating using similar projects or activities as a basis for determining
- used in top-down estimating
Bottom Up
- estimate effort/cost/duration or project or phase
- breaking down into activities, tasks and sub-tasks
- estimating the effort, duration and cost of each task and sub-task
- combine all component estimates to determine the full estimate
- determining duration through a bottom-up approach requires
- sequencing and resource leveling to be done as part of the scheduling process.
Cost and Time Estimating Issues
- scope
- task requirements
- resource availability
- resource expense
- original estimations vs actuals
FTE = Full Time Equivalent
SCHEDULE
Process For Creating Schedule
- estimate time and resources for each work unit
- historical data
- expert judgment
- determine dependencies between work units
- level the resources
- create checklists for each work unit
- understand dependency relations between work units
- FF, SS, FS, SF
Five Lists Required To Generate Schedule
- deliverables
- project tasks
- required skills
- available skills
- time and resources per task
Items Needed To Justify The Schedule
- the project critical path
- actions you have taken
- the tasks with time requirements
Sequencing Tasks
- part of the scheduling process
- tasks are positioned serially or parallel based on dependencies between them
- sequencing results in a task network.
Dependencies: Types Of
- mandatory
- inherent in the nature of the work
- often involve physical limitations
- hard logic
- discretionary
- defined by project management team
- soft logic
- external
- relationship between project and non-project activities
Milestones
- points in time when a deliverable or set of deliverables is available
- denote a significant event such as the completion of a phase
- SMART criteria = Specific, Measurable, Assignable, Realistic, Time-framed
- on gantt chart represented by black diamonds
- on tracking gantt chart, slipped milestones represented by white diamond
- an event: no duration or effort
- must be preceded by one or more tasks
- even the beginning of a project is preceded by a set of tasks, may be implied
Critical Path
- path(s) in a project network that has the longest duration
- series of activities that determines the earliest completion of the project
- may be more than one critical path
- critical path(s) may change during the project.
Float Or Slack
- amount of time available for a task to slip before it delays the project end date
- It is the difference between the task's early and late start dates.
Lead
- minimum lapse of time between start of activity and start of overlapping activity
Lag
- waiting time between two tasks
Gantt Chart
- bar chart that depicts a schedule of activities and milestones
- activities are listed along the left side of the chart
- time line is listed along the top or bottom of the chart
- activities are shown as horizontal bars
- length of activity bars are equivalent to the duration of the activity
- may be annotated with dependency relationships and other schedule-related information.
Network Diagram
- graphic tool for depicting the sequence and relationships between tasks
- forms of network diagrams
- PERT Diagram
- Critical Path Diagram
- Arrow Diagram
- Precedence Diagram
Pert (Program Evaluation And Review Technique)
- scheduling technique that makes use of
- dependency analysis and critical path to determine the duration of a project
- slack to determine priorities of tasks
- task durations are computed as (Optimistic + 4x Most likely + Pessimistic estimates) / 6)
Schedule
- project time-line
- identifies dates (absolute or relative to a start date) that
- project tasks will be started and completed
- resources will be required
- milestones will be reached.
Sequencing Tasks
- tasks are positioned serially or parallel based on dependencies between them
- sequencing results in a task network.
BUDGET
Process For Creating - Bottom Up
- determine cost of resources for each work unit
- determine when those resources will be required
- should have written approval from the project sponsor
Uses For Top Down Budget
- confirm the customer's expected cost
- validate detailed (bottom-up) budget when it is created
Budget Baseline
- need budget and schedule to develop
- show when the budget for each work unit will be spent
- basis for budgets cash flow
- basis for PV (BCWS) and EV (BCWP) (new terms?)
Management Reserve
- funding for price changes that occur over the project life cycle due to -inflation- ?
Cost Budgeting
- allocate cost estimates over time
- four inputs to cost budgeting
- cost estimates
- WBS
- project schedule
- risk management plan
- one output from cost budgeting
- cost baseline
- time phased budget
- cost baseline
Fully Loaded Amounts For Hr Include
- compensation
- benefits
- overtime
- etc
COMMUNICATIONS PLAN
Communication Policies
- There should be no arguments in front of the customer
- Consultants should not discuss other clients while on-site
Communications Plan Should Include Communication:
- purpose
- senders
- recipients
- frequency
- type
- method
- description
Information Needs Of End-User Management
- main systems functionality
- user involvement requirements
- main deliverables planned delivery times
QUALITY PLAN
Quality Plan
- create operation definitions for performance, and reliability
Project Review Process
- provides a quality assurance measure for project performance
- provides an independent evaluation of project performance/documentation
Quality Testing (Types Of)
- unit test
- component level
- integration test
- functionally grouped components
- system test
- the entire system as one entity
- user acceptance test
- should prove that the system operates to the specified requirements.
- verification
- alpha testing
- simulated environment and simulated data
- validation
- beta testing
- live environment and real data
- audit testing
- certifies system is ready for operation
Quality Checkpoints
Quality Assurance (QA)
- making sure standards and procedures are effective and complied with
- in some organizations QA is used to refer to the quality control function
- satisfy standards
- promote continual improvements
Quality Control (QC)
- making sure deliverables comply with acceptance criteria
- includes testing and reviews.
RISK MANAGEMENT PLAN
Risk
- likelihood of the occurrence of an event
- generally, the event is a negative one like project failure
- event may also be a positive event, like the early completion of a task
- price for opportunity
Risk Categories
- technology risk
- schedule risk
- program evaluation and review technique (PERT)
- Monte Carlo
- financial risk
Choices To Handle Risk
- accept
- avoid
- mitigate
Qualitative Risk Analysis
- assess likelihood and impact of identified risks
Identify Potential Risks
- historical information
- nature of product and project
- information gathering
Risk Assessment
- part of risk management
- planners identify potential risks and describe them
- risks usually identified in terms of
- symptoms
- causes
- probability of occurrence
- potential impact
Risk Response
- action that can be taken to address the occurrence of a risk event
- Contingency Plans are collections of risk responses
Risk Response Control
- responding to risk event occurrences throughout the project life cycle
- taking corrective action is an aspect of risk response control
Risk Response Development
- part of risk management
- planners identify and define actions to be taken in case a risk occurs
- such risk may be positive or negative
Six Processes Within The Area Of Risk Management:
- Risk Management Planning
- Risk Identification
- Qualitative Risk Analysis
- Quantitative Risk Analysis
- Risk Response Planning
- Risk Monitoring and Control
PROJECT PLAN
Project Plan – Key Concepts
- other documents, such as WBS and SOW are fed into the project plan
- very detailed and contains all the information about the project
- a living document in that its contents can change over the life of the project
- needs to be base-lined and all changes tracked
- closes out the planning phase
Project Plan - Methods For Generating Support For
- requesting input from stakeholders during planning process
- clearly illustrating how the project relates to the company's objectives
Project Plan - Included In Project Plan
- project scope
- project definition
- project objectives
- project scope analysis (inclusion and exclusions)
- project deliverables
- project assumptions
- project success criteria
- project requirements
- methodology description
- project approach
- work breakdown structure (WBS)
- project estimates
- project risk assessments
- project resources (skills set needed, etc)
Project Plan : PP-TOSTR-SEE-BIST (mnemonic)
- (T) - Table of Contents
- (O) - Overview
- (S) - Sponsors
- (T) - Team Members
- (R)- Requirements
- (S) - Scheduled Tasks (WBS)
- (E) - Expected Resources
- (E) - Environmental Issues
- (B) - Business Requirements
- (I) - Implementation Plans
- (S) - Support Plans
- (T) - Training Plans - Nine Knowledge Areas, each = report, except integration (dummies pmp)
- Integration
- Scope
- Time
- Cost
- Quality
- Human Resources
- Communication
- Procurement
- Risk
- mnemonic: Rapper Ice-T seeks the HR department to take a CPR class
- Ice-T - IST - integration, scope, time
- seeks HR - CQ HR - cost, quality, HR
- CPR - communication, procurement, risk
- mnemonic: Rapper Ice-T seeks the HR department to take a CPR class
Project Plan - Steps To Creating A Project Plan
- assemble all project planning elements
- create an outline or table of contents
- review outline with key stakeholders
- adjust the plan according stakeholder feedback
- write the comprehensive project plan
- obtain formal approval