Quality Gates in Project Management

Revision as of 20:52, 14 February 2021

Abstract

Projects are temporary and unique endeavors and require active management of their integration, scope, schedule, cost, quality, resources, and communication according to the Project Management Institute. (1) One tool to control project management is the Stage Gate approach that divides projects into stages with gates and tracks their progress and success. In the 1990s a modification to focus on especially schedule, cost, and quality was established known as Quality Gates. A quality gate represents a checkpoint of predefined criteria set by the project manager to evaluate the current progress of a project. Hereby a focus lies on the three aspects of time and cost, both resource-related and quality (2). After assessing the specified benchmarks and standards, an evaluation of passing or failing the gate is made.

This article sets the quality gate model into the picture with other phase gate models and points out its differences, benefits, and limitations. More weight lies on the quality criteria and its control in project management and its lifecycles. Besides, how four main tenets set, assess, and complete gates together with intermediate milestones (2).

The article also explains the required steps a project manager needs to take in order to introduce quality gates for projects. A proposal of applying the quality gates by segmenting projects into the three stages of front-end, middle, and back-end gates for different project stages (2 & 3) is suggested with a detailed successive explanation. 
Finally, the concern of resource-intensity in quality gate processes is discussed whereby more focus on scoping and lean management for projects is recommended. Also, the development from sequential towards iterative quality control is elaborated along with expanding the application from product-only towards service-oriented sectors.

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Abb. Quality Gate Process: QGP

Big idea

Text

Stage Gate Model

- Introduce phase gate Models - Describe applications - Explain gates and milestones

Quality Control in Project Management

- Outline the three main factors of schedule, cost and quality in project management - Describe the impact of the three factors - Give examples of possible management ways of the three factors

Quality Gates

- Outline main differences between quality gates and other phase gate models - Schedule, cost and quality aspects with QGP in project management - 4 essential tenets (performance standards, milestone criteria, criteria control, gate completions)

Application

- Set the project scope - Set quality requirements

Introduction of Quality Gates

- How to determine, define, measure and evaluate quality gates in project management

Application of Quality Gates

Front-end Gates

- Invest, Commit, Design

Middle Gates

- Implement, Integrate, Validate

Back-end Gates

- Try, Introduce, Release

Limitations

Resource Requirements

- QGP is time and labour intense, project manager is required - Project needs to be of a certain size, otherwise it is not worthwhile - Maybe mention lean possibilities; adopt the amount of quality gates to the project scope

Sequentiality/Waterfall Model

- Often it is claimed and critized that phase gate models such as the QGP are due to their native sequential developments harming (product and/or service) development - Show that QGP can also be iterative processes

Non-product Realization Projects

- Critics say QGP are mainly used in physical product realization projects because of quality nature - Give examples of software, service, IT applications

Annotated Bibliography

(1) PMI Guide - Project Management (2) PMI Symposium – Quality Control with Quality Gates (3) Quality Gates Concept in Battery Production

References

1. ↑ https://www.apm.org.uk/blog/three-ways-to-approach-cost-estimation/