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Abstract
Construction industry creates a massive amount of waste, which typically ends up in landfills. Canadian construction industry represents 30% of the total municipal solid waste deposited in landfills. Construction and demolition (C&D) waste has created negative socioeconomic and environmental impacts including contaminating ground water, emitting greenhouse gases, and adding more waste to scarce landfills. Literature is cited rework/waste generation due to ambiguity/errors in construction contract documents. Exculpatory clauses in contract documents are included in contractual agreements to prevent contractor claims, which often cause rework. After an extensive contract documents review, these clauses were categorized in to eight major areas. This paper (1) analyses expert opinions on pre-identified contractual clauses; and (2) introduces recommendations to minimize rework and waste in construction projects. It was found that the clauses related to quality, workmanship, and field quality control/inspection have the most potential to generate construction waste.
Additional information
Notes on contributors
Daylath Mendis
Daylath MENDIS. Is a PhD student under Dr Kasun Hewage's supervision. His doctoral work is to develop a Project Delivery and Contract Strategy (PDCS), with a focus on life cycle costing (LCC), to manage immediate and post-disaster construction activities. He has over 15 years of industrial work experience in Civil Engineering. He has earned a Master's degree in Civil Engineering from the University of British Columbia in 2011. His Master's research work was focused on contractual obligations in construction waste management.
Kasun N. Hewage
Kasun HEWAGE. Is a Professional Engineer with multi-disciplinary project experiences. He earned his PhD in Project Management from the University of Calgary (Uof C), Canada. At present, he is serving as a Faculty Member in the School of Engineering at the University of British Columbia (UBC), Canada. Prior to his appointment at UBC, he worked as a Business Management Cost Specialist and a Civil Engineer. He holds memberships in wide range of professional associations, including the Association of Professional Engineers and Geoscientists in British Columbia. His current research focuses are on green construction, waste management, and sustainability. A detailed list of Dr. Hewage's publications can be found at: www.ubc.ca/okanagan/engineering/faculty/kahewage.html.
Joanna Wrzesniewski
Joanna WRZESNIEWSKI. Is the Principal of the law firm Kimmitt Wrzesniewski. She is involved in various professional organizations and currently sits on the board of the Okanagan Mortgage Lenders Associations (OMLA) and the Kelowna Estate Planning Society (KEPS). She is also the chair of the Commercial and Real Estate Okanagan Section of the Canadian Bar Association. Her profile can be found at http://www.kimmitt.ca/joanna-wrzesniewski/. Her areas of practice include commercial and residential real estate, real estate development, strata property law, corporate law, wills and estates, and civil litigation with a focus in the area of personal injury law.