Performance appraisal of the provincial waterworks authority water supply system in PWA Region 10, Nakhonsawan, Thailand | |
| Author | Kiattisak Ratchanet |
| Call Number | AIT Thesis no.EV-13-36 |
| Subject(s) | Water-supply--Thailand--Nakhonsawan Water-supply, rural Water treatment plants--Thailand--Nakhonsawan |
| Note | A thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering in Environmental Engineering and Management |
| Publisher | Asian Institute of Technology |
| Series Statement | Thesis ; no. EV-13-36 |
| Abstract | Performance evaluation of fifteen water treatment plants of Provincial Water Works Authority (PWA) region ten of Thailand was carried out for a period of eleven months, from June 2012 to April 2013. The study were carried out to assess the existing performance levels of PWA region ten water supply schemes and identify feasible short and long term water treatment solutions to improve the treatment performance. The evaluation process involved the use of checklist for performance auditing of plant operations, physical conditions, and performance rating as well as analysis of raw and treated water quality to determine the treatment plant removal efficiency. The main results of this study showed that only six water treatment plants out of fifteen were in top performance and are capable to deliver good quality water, the other nine treatment plants are faced with various degrees of performance deficiencies. Also, the unit treatment systems like flocculation, sedimentations and filtrations were found to be type three for two water treatment plants, two water treatment plants and one water treatment plant respectively in the study area. Three water treatment plants were identified with major defects. The implication of the defects in these three water treatment plant categories is that the plant could not perform adequately and therefore required urgent attentions. The study also found out that the major factor affecting the performance of delivery of quality water to the people in the study area may likely have to do with the poor quality of distribution systems since no water treatment plant in study area achieved below ninety percent removal efficiencies. The other outstanding findings from the work were of the fact that about forty percent of the water treatment plants in the study area have higher peak operating flows than the design capacity, hence making the systems to produce more than their design capacity. The major internal limiting factors affecting the performance of water treatment plants in this study were maintenance, administration, operations, design and health, safety and environment. Therefore, urgent and appropriate actions are requires to brings these water treatment plants performance to global best practices. |
| Year | 2013 |
| Type | Thesis |
| School | School of Environment, Resources, and Development (SERD) |
| Department | Department of Energy and Climate Change (Former title: Department of Energy, Environment, and Climate Change (DEECC)) |
| Academic Program/FoS | Environmental Engineering (EV) |
| Chairperson(s) | Visvanathan, C.; |
| Examination Committee(s) | Shipin, Oleg V.;Vilas Nitivattananon; |
| Scholarship Donor(s) | Provincial Waterworks Authority (PWA), Thailand;Royal Thai Government Fellowship;Asian Institute of Technology Fellowship; |
| Degree | Thesis (M.Eng.) - Asian Institute of Technology, 2013 |