Sources of quality defects in construction projects

December 7, 2012

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

Quality Problem Factors


  • 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 


  • 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

(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)

Denis Leonard has a degree in construction engineering an M.B.A. and a Ph.D. in quality management. Denis is a Fellow of the American Society for Quality, a Certified Quality Manager, Auditor, and Six Sigma Black Belt. He has been an Examiner for the Baldrige National Quality Award Board of Examiners a Judge on the International Team Excellence Competition and a Lead Judge on the National Housing Quality Award. A former Professor of Quality at the University of Wisconsin, he has experience as a quality manager in the home building industry as well as construction engineer, site manager, and in training, auditing, and consulting with expertise in strategic and operational quality improvement initiatives. His work has achieved national quality, environmental, and safety management awards for clients. 

Denis is co-author of The Executive Guide to Understanding and Implementing the Baldrige Criteria: Improve Revenue and Create Organizational Excellence.


Related Categories