표제지
목차
1장 서론 10
1.1. 연구의 배경 및 목적 10
1.2. 연구의 범위 및 방법 11
1.2.1. 연구의 범위 11
1.2.2. 연구의 방법 11
2장 기존 연구 동향 14
2.1. 하수관거정비 임대형 민자사업(BTL) 효과분석에 관한 연구 14
2.2. 하수관거 정비사업 효과분석 및 평가지표 개발 14
2.3. 하수관거정비사업의 효과분석에 관한 연구 15
3장 이론적 고찰 17
3.1. 침입수(Infiltration)/유입수(Inflow) 17
3.1.1. 개요 17
3.1.2. 정의 17
3.1.3. 산정방법 21
4장 연구방법 25
4.1. 대상사업 개요 25
4.1.1. 사업의 배경 25
4.1.2. 사업 대상지 현황 26
4.1.3. 주요 계획 지표 26
4.1.4. 사업 시설 현황 28
4.2. 대상지역 시설현황 30
4.2.1. 처리구역별 하수도시설 현황 30
4.2.2. 유지관리 모니터링 시스템 구축현황 32
4.2.3. 기상 관측소 33
4.3. 성과보증결과 34
4.3.1. 개요 34
4.3.2. 유량 및 수질조사 34
4.3.3. 하수처리시설 유입수질조사 40
4.3.4. 하천 수질조사 43
4.3.5. 강우량 조사 47
4.3.6. 사업 효과 분석 49
4.4. 장기 환경 개선 효과 분석 52
4.4.1. 침입수 52
4.4.2. 하수처리시설 유입수질 60
4.4.3. 하천 수질 변화 63
5장 결론 66
5.1. 결론 66
5.2. 추후 연구 68
참고문헌 69
국문초록 72
ABSTRACT 75
Table 1. Project overview 25
Table 2. Sewage treatment zone states 26
Table 3. Design population for sewage treatment 26
Table 4. Sewage design sewage flow per capita 27
Table 5. Design daily maximum sewage flow 27
Table 6. Design inflow water quality 27
Table 7. Outline of project facilities 28
Table 8. Overview of sewage treatment plants 31
Table 9. Flow measuring data classification result 36
Table 10. Water quality measuring result before construction 37
Table 11. Water quality measuring result after construction 37
Table 12. Average flow by the measuring point for dry season 38
Table 13. Water quality measuring result before and after the construction 39
Table 14. Change of sewer system by sewage treatment zone 40
Table 15. River water quality measuring result 44
Table 16. Outline of weather observation 48
Table 17. Inflow water quality comparison of sewage treatment plants... 49
Table 18. Calculation result by item 54
Table 19. Infiltration Calculation result by year 56
Table 20. Infiltration rate after construction completion 56
Table 21. Design population for sewage treatment in the master plan of G... 58
Table 22. Major Development Project 59
Table 23. Reduction of discharge pollution load due to improved inflow... 63
Fig. 1. Infiltration/influent(I/I) generation depend on flow rate change 18
Fig. 2. Infiltration/influent(I/I) generation depend on the time of occurrence 19
Fig. 3. Influent calculation method procedure 24
Fig. 4. Sewage treatment plants status in G city 30
Fig. 5. Maintenance monitoring system construction status 33
Fig. 6. Location map for flow and water quality monitoring-Fixed 35
Fig. 7. Location map for flow and water quality monitoring-Mobile 35
Fig. 8. Change of average flow by the measuring point for dry season 38
Fig. 9. Inflow water quality to Gimpo sewage treatment plant before and... 41
Fig. 10. Inflow water quality to Tongjin and Gochon sewage treatment plant... 42
Fig. 11. Location map of river water quality measuring 43
Fig. 12. Change of River water quality for dry season 45
Fig. 13. Change of river water quality for wet season 46
Fig. 14. Rainy days and rainfall 48
Fig. 15. Improved effect by sewage treatment plants before and after the... 50
Fig. 16. Infiltration calculation procedure 52
Fig. 17. A schematic diagram of generated sewage... 53
Fig. 18. Changes of Infiltration rate after construction completion 57
Fig. 19. Changes in design population in G city after the construction... 58
Fig. 20. Inflow water quality(BOD5) trend of sewage treatment plants after...(이미지참조) 61
Fig. 21. Inflow water quality(BOD5) trend of sewage treatment plants after...(이미지참조) 61
Fig. 22. Improved effects of inflow water quality by sewage treatment... 62
Fig. 23. Changes in BOD and T-P of river water quality after construction... 64