DEFFINITION:
Quality control is defined as the set of procedures intended to ensure that performed service or manufactured product sticks to a set of quality criteria or meets the requirements of the client.
Quality control of a project is to determine the quality required for the products of the particular project.
        Quality targets should meet all the basic requirements defined by the authorities of the project.
Project management body of knowledge(PMBOK) approaches:
Standards organisations for quality management system:

ISO 9000 series& ISO 9001:2008 rules
Six sigma
Ishikawa
Crosby

ISO 9001:2008 rules:-

It is a set of procedures that cover all key processes in the business.
Checking outputs for defects and correction where necessary
Regularly checking quality system for effectiveness.

Roles and responsibilities of quality manager:
Roles of quality manager:
You must be act as an “objective observer” even when you are looking at the subjective issues. When you ask questions you have to take a step backwards from answers. So that all you looking for data-whether numbers, reports and it may be observations. This combined data will lead you to what you need to know.
Quality is not a finger pointing exercise for you or your employees. It is an honesty and open method to get the solutions at the objective observation.
First of all look quality within your area before taking on to the world.
Responsibilities of quality manager:
Assist the preparation of the Quality Plan for each project•
Assign different roles to product managers and related stakeholders in the development of test procedures or whatever is needed to complete the preparation of Quality Control procedures.•
Make sure that the stakeholders’ requirements from all products and services are well documented and prepared against the final products or services.•
Install some updates to the Quality Plan to check problems at hand•
Provide feedback to the project manager on a regular basis or on demand•
Conduct some additional audits or Quality Control reviews by demand of the project manager.•
Assist various stakeholders in the process of improving production processes, QC processes or any other aspects of the ICT resources that need improvement.•
Relation between process group and quality management process:
Quality management has three kinds of processes

Quality planning process
Quality assurance process
Quality control process

1. Quality planning:
It serves which quality standards are relevant to the project and how to satisfy those standards .applying those quality standards in to project design is a key part of quality planning. quality plan should not be very long or expensive to produce them. It serves as plan and communication tool in the project.
Inputs to quality planning:

Scope statement which describes the vision of project.
Organisational project assets which gives the lessons learned from the previous project
Database which contains policies and procedures.

Tools and techniques used in quality plan:

Common sense is main tool when you decide the quality.
Cost of quality is one of them.
Quality objectives:

It is a Systematic reflection and evaluation during different phases.
Sets quality goals in the available time plan.
Observing the priority areas which are necessary in the project.
identifies strengths and potentials for improvement.
Gives the measurements for the development of project.

Outputs to quality management:

There should be a list which describes tools and techniques used.
A clean view which explains how do we measure quality.
List of names who will review the quality.
Check list gives feed back from all the viewers.

Check list of quality        Attachments
Quality control management
Document identification:
scope plan
Resource plan
Schedule
Budget
Benchmarks
Verification
Testing
Time estimate criteria
Cost estimate criteria
Technical procedures
Technical policies
Communications
ISO standards
PMI standards
Customer satisfaction criteria
2. Quality assurance:
It is the application of systematic, planned approach to make sure that the project will employ all processes to meet requirements of the project.
Quality assurance activities performed by quality manager:

Skilled staff: should have knowledge, skills, experience required to keep the project on track.
Peer Reviews: peer reviewers discuss about the quality issues found and actions that have to be followed in order to correct the quality issues.
Use of templates: provides guidance to the project team members.
Checklists: gives quality requirements are fulfilled or not.
Gives feed back from all the viewers.

3. Quality control process:
It contains monitoring results to see whether they comply with the relevant quality standards. It finds ways to deletes the unsatisfactory results from the project.
Control ensures that whatever is delivered to the customer meets the expectations of the projects. Quality control includes the measuring, checking, and auditing of the tasks of the project.
Targets of quality management:
They should be:
Accepted by all the existed participants,
Measurable by quantitative parameters,
Realistic, should be on track with the available resources
Specific, qualitative statements.