ASSESSMENT OF QUALITY MANAGEMENT PRACTICES OF CONDOMINIUM HOUSE PROJECTS IN ADDIS ABABA: THE CASE OF WASTEWATER MANAGEMENT IN MIKILILAND SITE

Abstract

General purpose of this research was mainly to assess wastewater quality management of condominium house projects practices and major quality management challenges. In order to achieve this objective, descriptive research method were employed and both primary and secondary data were used. Data collection tools used was questionnaires, interview, and document review. In addition clustered sampling techniques were employed. The survey questionnaire was designed based on the literature and information collected through the document review of the wastewater treatment plant. These questionnaires were distributed to respondents from head office of AAWSA, sewerage treatment and reuse department and Mikililand condominium site sanitation committees. They were clustered by duties and responsibilities on onsite wastewater management, among all 40 distributed questionnaires 33 questionnaires were collected which represent a response rate of 82.5%. The data gathered through the questionnaire ware analyzed by Statistical Package for Social Science (SPSS). The generated data were analyzed using tables, frequency and percentage approaches. The result of the study indicated that designing and constructing of the wastewater treatment facility at Mikililand condominium site hasn‘t fully employed all requirements of quality management process. Mikililand condominium wastewater management project was fully managed by AAHDA the owner instead of AAWSA which exclusively have an adverse effect on quality management. Inspection, process control chart and quality audits are found to be the major quality management tools and techniques used to control quality wastewater management. Qualified and experienced personnel, conformance to specification, processing time & weather patterns and quality of materials and equipment used while construction are identified as the major factors in the determinant of the quality of wastewater management. In the study it is examined that various quality assurance measures were taken starting from defining project objectives and to monitoring operation of the treatment plant by staffs from Mikililand condominium site sanitation committee with the assistance of AAWSA staffs. It was also identified that some barriers of quality management are; sewer line damaging, lack of quality management policy and strategy, in adequate management support, lack of waste management supervision and monitoring, and inefficient resources such as budget, repair & maintenance stuff, chemical dosing, labor were the major once.Additionally the study recommends that AAWSA to have separate quality management policy in order to undertake complete quality management process, enhance management involvement, capacity building on project management skills for effective implementation of wastewater management.