Sources of quality defects in construction projects

A recent research study on quality in construction projects established the following Quality Problem Factors as the sources of quality defects.

Quality Problem Factors

Managerial/Stakeholder

• Lack of contractor supervision
• Poor relationship and partnering among project participant
• Reduced Subcontractor responsibility
• Inappropriate method of contractor selecting
• Poor quality procedure
• Lack of quality department
• Lack of auditing system
• Short term objectives
• Poor Training system
• Lack of process improvement
• Lack of Management commitment
• Lack of quality policy
• Low effective project management system
• Supplier impact
• Bureaucracy

Technical

• Low quality drawing and specification
• Design complexity
• Difficult data collection system
• Poor performance of quality tools and techniques
• Difficult application of quality system

Environment / Material / Equipment

• Project size
• Project complexity
• Material/Equipment specification
• Project Environment
• Low quality and poor availability of resources

Cultural / Political

• Lack of motivation
• Incompatible tendering procedures
• Low tendency to teamwork

For an earlier related blog on Rework follow this link

http://www.housingzone.com/blog/rework

(REFERENCE: Assessment of Requirements for Establishment of a Framework to Enhance Implementation of Quality Practices in Building Projects by Amirhossein Heravitorbati, Vaughan Coffey, and Bambang Trigunarsyah, International Journal of Innovation, Management and Technology, Vol. 2, No. 6, pp 456-470, December 2011)