Analysis on procurement systems for alteration building projects in Sri Lanka

Alteration building is an emerging concept with growing interest in Sri Lankan construction industry pertaining to building renovation and building refurbishment to get effective and efficient out come to their existing buildings. Any additional work, removal work or changes in the external parts of the building structure as well as any modification works of surface texture, architectural details or materials can be regarded as building alteration works. Success of this concept depends on many factors, where the procurement is one of that. It has been identified that the selection of an appropriate procurement method could reduce construction project costs by an average of 5 percent. Thus, this study was conducted to identify the strengths and weaknesses of procurement systems used for building alteration projects and determine the suitable procurement system. Three alteration building projects were selected for in-depth analysis of procurement systems and SWOT analysis were utilised. Findings revealed that the traditional procurement method as the most suitable procurement system for building alteration projects in Sri Lanka. Reduce conflicts, providing high quality output, cost saving, profitable for both contractor and the client were the strengths and unsecured client’s initial price and increase completion time were the weaknesses of said procurement system