American Journal of Civil Engineering and Architecture
ISSN (Print): 2328-398X ISSN (Online): 2328-3998 Website: http://www.sciepub.com/journal/ajcea Editor-in-chief: Dr. Mohammad Arif Kamal
Open Access
Journal Browser
Go
American Journal of Civil Engineering and Architecture. 2021, 9(1), 1-8
DOI: 10.12691/ajcea-9-1-1
Open AccessArticle

Factors Affecting Upstream Production Rate and Causing Reworks in Downstream Activities due to Activities Overlapping

Hossam H. Mohamed1, Ahmed H. Ibrahim1 and Asmaa A. Soliman2,

1Construction Engineering & Utilities Department, Zagazig University, Zagazig, Egypt

2Construction Engineering & Utilities Department, Higher Technological Institute (HTI), Egypt

Pub. Date: December 28, 2020

Cite this paper:
Hossam H. Mohamed, Ahmed H. Ibrahim and Asmaa A. Soliman. Factors Affecting Upstream Production Rate and Causing Reworks in Downstream Activities due to Activities Overlapping. American Journal of Civil Engineering and Architecture. 2021; 9(1):1-8. doi: 10.12691/ajcea-9-1-1

Abstract

Overlapping (or fast tracking) is a schedule compression technique in which phases or activities normally performed in sequence are performed in parallel, PMI, [1]. Rework has both direct and indirect effects on the performance of construction projects. The direct effect of the impact of rework are: additional time for rework, additional costs of rework, additional materials spent on rework and control next waste, additional labor for rework, difficulty of managing resources. To reduce the impact of reworks there is a need to understand their basic reason for their existence or set of conditions that stimulate their occurrence in a building process. This paper aims to identify the top important changes that affecting upstream production rate and causing reworks in downstream activities. These changes were identified through three stages. The first stage twenty three changes which causing reworks in downstream activities were collected from past literature review and were divided into three major categories: designer, contractor and owner changes. One hundred effective interviews were conducted and their results are employed. The second stage, the twenty three changes were then ranked from the most significant to the less significant. The third stage, the 80/20 rule applied to the changes identified to get the eight most important changes that represented about 25% of the causes. The result shows the top important eight factors which were considered as the factors affecting upstream production rate and causing reworks in downstream activities as follows: 1) Lack of coordination and poor communication, 2) The contractor instruction to modify a design, 3) Non-compliance with specification, 4) The owner instruction to modify a design, 5) Incomplete design at the time of tender, 6) Poor planning and coordination of resources, 7) Errors made in the contract documentation and 8) Lack of experience and knowledge of the design and construction process.

Keywords:
fast tracking activities¡¯ overlapping rework time construction schedule

Creative CommonsThis work is licensed under a Creative Commons Attribution 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

References:

[1]  PMBOK," A Guide to the Project Management Body of Knowledge", Third Edition, 2004.
 
[2]  Jason M. Dougherty and James G. Zack. "The Impact of Rework on Construction & Some Practical Remedies". Navigant Construction Forum, 2012.
 
[3]  Eze E. C. and Idiake J. E. "Impact of Rework on Building Project and Organization Performance: A View of Construction Professionals in Nigeria" International Journal of Sustainable Construction Engineering & Technology, Vol. 9 (1), 2018.
 
[4]  Vanhoucke, M., "Project Management with Dynamic Scheduling: Baseline Scheduling, Risk Analysis and Project Control". 2nd Edition, Springer Heidelberg New York Dordrecht London, 2012.
 
[5]  Abeku, D. M., Ogunbode, E. B., Salihu,C., Maxwell, S. S. and Kure, A.,. "Projects Management and the effect of Rework on Construction Works: A Case of selected Projects in Abuja Metropolis, Nigeria" International Journal of Finance and Management in Practice, Vol. 4(1), 2017.
 
[6]  Musa S., and Obaju B., "Effects of Design Errors on Construction Projects" International Journal of Scientific & Engineering Research, Vol. 7(2), 2016.
 
[7]  Dosumu O S., Idoro G. I., Onukwube H. N.,. "Causes of Errors in Construction Contract Documents in South western Nigeria" Journal of Construction Engineering and Management, Vol.5 (1). 2017.
 
[8]  Sen A., Dwivedi, A.K. Trivedi, M.K., "Evaluation of Rework Factors Affecting Cost and Schedule Performance in Construction Projects" International Research Journal of Engineering and Technology (IRJET), Vol. 5 (8), pp.56-72, 2018.
 
[9]  Enshassi A., Sundermeier, M., and Abo Zeiter,M.,. "Factors Contributing to Rework and their Impact on Construction Projects Performance".International Journal of Sustainable Construction Engineering & Technology, Vol. 8(1), 2017.
 
[10]  Love P. E. D., Zahir I. and Edwards D. J. "A rework reduction model for construction projects" IEEE Transactions on Engineering Management, Vol.51 (4), pp. 426-440, 2004.
 
[11]  Jing Liu, and Ming Lu, "Hierarchical Multi-Project Planning and Supply Chain Management: an Integrated Framework", Journal of Construction Engineering and Management, 2018.
 
[12]  RazaviAlavi1 S., and AbouRizk S., "Site Layout and Construction Plan Optimization Using an Integrated Genetic Algorithm Simulation Framework", Journal of Construction Engineering and Management, 2017.
 
[13]  Arashpour M., R. Wakefield, N. Blismas, and J. Minas, "Optimization of process integration and multi-skilled resource utilization in offsite construction" Autom. Constr. 50 (Feb): 72¨C80, 2015.
 
[14]  El-Abbasy M., S., "Multi-Objective Multi-Project Construction Scheduling Optimization", Phd, Concordia University, Canada, 2015.
 
[15]  Pakgohar A., "Hierarchical Multi-Project Planning and Supply Chain Management: an Integrated Framework", Phd, Exeter University, Canada, 2014.
 
[16]  Chen P., H., and Weng, H., "A two-phase GA model for resource-constrained project scheduling School of Civil and Environmental Engineering, Nanyang Technological University, Singapore, Automation in Construction, www. elsevier.com/locate/autcon, 2009.
 
[17]  Soliman, A. A. (Incomplete), "Optimizing Project Cost and Schedules under Resource Constraints". Phd, Zagazig University, Egypt, 2020.
 
[18]  Aman S., Dwivedi A.K. and Trivedi M.K. "Evaluation of Rework Factors Affecting Cost and Schedule Performance in Construction Projects" International Research Journal of Engineering and Technology, Vol. 5 (8), 2018
 
[19]  Wakefield A., N. Blismas N. and Minas J., "Optimization of process integration and multi-skilled resource utilization in offsite construction." Autom. Constr., 2015.
 
[20]  Mohammad B. and Majid G "Reworks causes and related costs in construction: case of Parand mass housing project in Iran" International Journal of Quality & Reliability Management, Vol. 36 (8), 2019.
 
[21]  Easterby-Smith, M.,Thorpe, R. and lowe, A, "Management research: an introduction ", SAGE publications Ltd, 2002.