Browsing by Author "Rathnayake, MD"

Now showing 1 - 3 of 3

item: Conference-Full-text
Appropriateness of cida price fluctuation formula for road construction in Sri Lanka
Hajjath, AKM; Rathnayake, MD
The use of the construction industry development authority (CIDA) formula of price fluctuation will help to claim unpredicted costs in construction projects at least up to a satisfying level. However, some limitations were made when preparing the formula to ease the calculation. Therefore, the project aims to find out the factors affecting the CIDA price fluctuation formula and to identify the appropriate use of the CIDA price fluctuation formula for road construction. A mixed approach was utilized for the study. A broad study of the literature review was intended to a price fluctuation concept and price fluctuation reclamation methods and the significance of road construction projects. The semi-structured and structured close-ended questionnaires were carried out to collect data to identify issues and factors affecting the formula. The qualitative data were analyzed through Qualitative Data Analysis (QDA) Miner lite software while quantitative data were analyzed through SPSS software. A framework was developed concerning outcomes. The price indices, coefficient (0.966), input percentage of construction inputs were found as internal factors which are affecting the formula with their issues and also the difficulties faced while calculation of those internal factors, type of the contract, assumptions which are used to make the formula were found as the external factors. This framework can be recommended to use as a tool before commencing the price fluctuation calculation using the CIDA formula for understanding which factors are mostly helping to increase the appropriateness of the CIDA formula in the road construction sector.
item: Conference-Full-text
The effect of labour productivity on successful completion of major contracts during the COVID pandemic in Sri Lanka
(Ceylon Institute of Builders - Sri Lanka, 2022-06-24) Bandaranayake, BMHD; Rathnayake, MD; Sandanayake, YG; Waidyasekara, KGAS; Gunatilake, S
The COVID-19 outbreak is the greatest global health crisis in many years. It has had a dramatic effect on workforces and workplaces all around the world. The construction industry has been significantly affected by the COVID-19 pandemic and has been challenged to improve the safety and wellbeing of its workforce and control the collapse of construction productivity. The objectives of this study were to identify and rank the factors affecting lack of labour productivity in major contracts during the COVID pandemic and effect of labour productivity on successful project delivery in major contracts during the COVID pandemic in Sri Lanka and to recommend management strategies to combat them. A thorough literature search on recently published literature, industry experiences, reports, and other related documents was performed to collect and categorize the required data. 40 COVID-19 challenges were identified, and the results revealed that 19 factors including absenteeism at work site, travel restrictions, supply chain disruptions, cash flow delays and social isolation due to teleworking. 27 strategies were identified to overcome these challenges, and 14 results demonstrated including avoid material shortage at the site, conduct a risk analysis, create an end-end supply chain map, initiate flexible work schedules to promote social distancing, increase of hygiene of construction. The findings of this study will help the project managers and authorities in the construction industry understand the challenges of the pandemic and adopt effective strategies that will improve the health and safety of their workforce
item: Conference-Full-text
Significant factors affecting effectiveness of community-based organizations in rural water supply sector of Sri Lanka
(Ceylon Institute of Builders, 2017-07) Rathnayake, MD; Abeynayake, M; Vithanage, SC; Sandanayake, YG; Ramachandra, T; Gunatilake, S
Water as a basic need of all humans, their ultimate expectation is to have health and well-being life fulfilled with social and economic development through getting access to use of safe drinking water. Subsequently, providing adequate drinking water to all poor living areas has become a major challenge in developing countries like Sri Lanka. Community engagement in rural water supply (RWS) projects should become essential as the client and end-users are not involved in the project management process during a typical project. Therefore, the aim of the research is to investigate the factors which are significantly affect for effectiveness of Community Based Organisation (CBO) management in both client’s perspective and community perspective. A mixed approach was utilized for the study. A comprehensive literature review was intended to explore factors which are affecting for effectiveness of CBO management. Significant factors were observed through semi structured interviews based on Delphi technique to collect data on client’s perspective. Questionnaire survey was carried out based on close ended questionnaires to collect CBO perspective data. Data was analysed via content analysis to generate qualitative outcome while RII technique was utilised to analyse statistical data. Effective revenue, effective billing to collection ratio, effective CBOs’ managerial level, effective stakeholder relationship and monitoring quality of water were identified as both perspectives agreed factors. The most significant factor on CBO perspective was considered as effective CBOs’ managerial level while client perspective factors such as effective CBO involvement in operation and maintenance phase, development of CBO performance and relationship between National Water Supply and Drainage Board (NWS&DB) and CBOs was considered as most significant. Outcome of the study can be recommended to use as a tool before commencing the water supply project for aware about which factors are mostly assist to increase the effectiveness of CBO management.