A Brand-new Future of the Sewer System in Taipei
Department for the Promotion of Private Participation Ministry of Finance
Sewerage Systems Office, Public Works Department, Speaker ： Chien-Hsien Lee, Director 2020.09.24 Taipei City Government Outline
I. Sewer System of Taipei City –
II. Sewer System of Taipei City –
III. Sewer System of Taipei City –
1 I. Sewer System of Taipei City -
II. Sewer System of Taipei City - Planning
III. Sewer System of Taipei City – Vision
2 The major targets of sewer system in Taipei
To ensure a clean and healthy living environment To improve and protect the river water quality To promote the reuse of water resources
3 Sewer System of Taipei City
Taipei City(July 2020) T Area：271 km2 Population：2,620,037 Neihu STP Bali STP Household：1,060,529 (Administered on behalf) 240,000 CMD 1,320,000 CMD Main pipeline D Sewer System Wastewater treatment plants： Main pipeline C / 2.06 X 106 CMD 2+1 Main pipeline E P T Pumping stations ：4 T Lifting stations： P 36 Dihua STP Main pipeline B P 500,000 CMD Interception facilities : Main pipeline F 14 / 676 X 103 CMD P
Gravel treatment facilities : Main pipeline A T Sewage treatment plant 5 / 64 X 103 CMD P Pumping stations 4 Household Connection Rate
890,924 households having sewerage service and The Amount of Taipei’s municipal wastewater household connection rate is about 84% (July 2020) (x 104 CMD) 100 94.5 92.2 88.1 90 84% 83.8 81.6 80 80
70 66% 74 74 74 74 60 60 65
50 46% 40 40 30 20 22% 21% 20 16% 0 10 2015 2016 2017 2018 2019 0 Interception volume Sewage volume Design capacity New新北市 Taipei Taipei台北市 桃園市Taoyuan Taichung台中市 台南市Tainan Kaohsiung高雄市 About 300,000 CMD of excessive sewage Source: Construction and Planning Agency, Ministry of the Interior Statistic Table of National Sanitary Sewer Piping Rate and Overall Sewage Treatment Rate( July 2020) is transported to Bali Plant for treatment. 5 Current Status of Sewerage Pipeline System in Taipei
Total length of sewerage pipeline 2,717.7 km (2019) >40 Age (year) Built year Length (m) years 1% 0~10 2010~2019 656,263 30~40 0~10 10~20 2000~2009 1,120,651 years years 20~30 1990~1999 472,956 17% 24% 30~40 1980~1989 458,585 >40 Before 1979 24,677
Total 2,717,688 20~30 42% built between 1999-2008 years 17% 10~20 years 41%
Age profile of existing sewerage pipelines
1978 1988 1998 2008 2018 6 Water Quality Trends of Taipei Rivers Over the Last 12 Years
River Pollution Index (RPI) 9 Tamsui River Keelung River Xindian River Jingmei River 8 7.60 Improvement Improvement Improvement Improvement 37% 32% 47% 45%
7 Serious Pollution 5.87 6 4.97 5 4.76 Moderate Pollution 4 3.60 3.38 3 3.09 1.99 Mild Pollution 2 1 No (Slight) Pollution 0 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 7 I. Sewer System of Taipei City – Current Situation
II. Sewer System of Taipei City –
III. Sewer System of Taipei City – Vision
8 Climate Change
2020, Japan. Source：Associated Press 2019, India. Source：Reuters 2020, Taiwan. Source：China TV
2016, Paris. Source：Associated Press 2015, California. Source：Tech News 2017, Taiwan . Source：China Times 9 International Trends and Indicators
Sustainable Development Goals (SDGs)
Percentage of City Population Served by Wastewater Collection
Percentage of the City’s Wastewater Receiving Tertiary Treatment
10 International Trends and Indicators
Percentage of the City’s Wastewater Receiving Tertiary Treatment Taipei 0.9%
World Council on City Data (WCCD) Percentage of City Population Served by Wastewater Collection Percentage of the City’s Wastewater that has Received No Treatment Percentage of the City’s Wastewater Receiving Primary Treatment Percentage of the City’s Wastewater Receiving Secondary Treatment Percentage of the City’s Wastewater Receiving Tertiary Treatment ： Source WCCD, 2018 11 New Issues Facing of Sewer System in Taipei
1. Wastewater Treatment 4. Household Connection
Build a new generation water Change in contracting method resource center Increase the production of Rule amendment reclaimed water Adoption of new techniques
3. Lifespan Extension Plan 2.Emergency Response Sewage Treatment plant Change the form of manhole covers Pipeline Inspection ＆ Repairing Electronic Early Warning and Water Quality Audit Emergency Response Platform Sewerage System Hydraulic Monitoring Center 12 Wastewater Treatment -Build a New Generation Water Resource Center
Shezidao WRRC (Existing) Neihu STP Total sewage Tertiary treatment Secondary treatment Treatment capacity： treatment capacity: Treatment capacity： 35,000CMD 975,000 CMD 240,000CMD
T (Existing) Dihua STP Mingsheng WRRC Secondary treatment Tertiary treatment Treatment capacity： T Treatment capacity： T T 500,000CMD T 40,000CMD
Binjiang WRRC Tertiary treatment Treatment capacity： 160,000CMD 13 Wastewater Treatment -Build a New Generation Water Resource Center New Generation Water Resource Center Water quality requirements ∞ Circular Economy are far higher than discharge standards
Sewage AO+MBR System treatment Design Discharge Water Quality (mg/L)
Methane Methane is recovered for fuel or power generation. BOD SS TN NH3-N
Sludge Dried sludge is manufactured into water permeable paving 10 4 15 5 and flower containers. Reclaimed Water Reclaimed water is reused.
14 Wastewater Treatment -MingSheng Water Resource Reclaimed Center
Sewer Intelligent Operation Management Center Sewer Environmental Education Center
15 Wastewater Treatment -Binjiang Water Resource Reclaimed Center
Light well
Aircraft Viewing Park
Emergency Pumping Station Eco gallery Machine room Sunshade Machine room Eco flood retention pond Rainwater collection
Administration Building Solar panel
Water permeable paving
16 Wastewater Treatment -Laying of Reclaimed Water Pipeline Network
Water resource center
Park/green space School Binjiang Water supply Keelung River Building Plant station Street spraying Water supply station Reclaimed water pipeline Water Reclaimed water pipeline supply station (Middle phase) Yuanshan River Taipei Songshan Airport Minsheng Water Plant supply Watering of pedestrian station Water green belts supply station
Water supply station
Water supply Mitigate heat island effect station
17 Wastewater Treatment -Build Smart Online Water Intake System for Reclaimed Water
民生水資源再生中心再生水輸水監控系統 再生水水質即時監測系統
COD 濁度 NH3-N NO3-N TDS 1.2 0.3 0.4 7.2 132
溫度 pH 餘氯 EC 硬度 27.3 7.3 0.7 197 49
再生水使用限制與 登記用水資料 使用取水憑證取水 雲端資料回傳至 Online Quality Analysis Monitoring Points 風險之宣導與說明 領取取水憑證Smart Kiosk並由取水站上傳 再生水管理系統 (如悠遊卡,QR code) 雲端紀錄取水資料 監控取水情形
RO System and Pumping Station 18 Emergency Response - Challenges and Difficulties
Extreme rainfall
Water volume increased drastically in the sewerage system
Air in the pipelines is compressed by the large volume of water and not vented in time
Manhole cover explosion
Source：TVBS Source ：CNA 19 Emergency Response - Replacing Manhole Cover
Total Replacement Numbers Locks Chain 4,000 3,316 3,000 2,816 Pressure-resistant Manhole Cover 2,388 2,000
1,000 319 0 2016 2017 2018 2019
Before After
20 Emergency Response - Existing Sewerage System Hydraulic Monitoring Center Plant Operation Situation Water Level and Flow Monitoring
21 Emergency Response -Early Warning and Emergency Response Platform
Weather Hydro forecast information
AI deep learning Real-time Real-time and system water rainfall monitoring volume forecast Hydraulic model calibration and Computer-assisted operations verification system 2 sets of servers and Water level station system platform GIS potential overflow 71 sites zones Integrated app SWMM hydraulic information modeling Parameter configuration for auxiliary management Early Key facilities system warning and emergency Establishment of Upgrade to the existing response early warning computer-assisted Integration and interfacing of existing real- and emergency operations management Early warning modeling platform time surveillance systems and information response system system and verification 22 Emergency Response -Early Warning and Emergency Response Platform
SWMM model simulation for Dihau WWTP inflow during Storm water event
109/5/28
109/6/14
23 23 Emergency Response -Early Warning and Emergency Response Platform
勾選欲顯示的設施圖層
點擊圖標顯示資訊 溢流潛勢模擬
http://192.168.32.32/MainBoard 24 Emergency Response -Early Warning and Emergency Response Platform
溢流潛 勢模擬
25 Emergency Response -Early Warning and Emergency Response Platform
26 Emergency Response -Early Warning and Emergency Response Platform
APP Functions: 1. Real time rainfall 2. River water level 3. Pumping stations 4. Intercetors 5. Manhole water level 6. Gate Operation of WWTP
27 Lifespan Extension Plan - Wastewater Treatment plants
Equipment WWTP Budget (NTD) upgrade Duration Dihua 2018-2022 711,500 Neihu 2018-2021 209,000 Bali 2016-2021 701,000
28 Lifespan Extension Plan -Purchase Wastewater Treatment Services and Equipment Upgrades
Procurement • Purchase long term wastewater treatment service Contract • ROT concept
• Efficiency improving Stable Purpose • Reducing interface conflict Reliable
Service Responsible • Base on the amounts of wastewater Fee
Quality • Accountability and Strict audit Assurance
29 Lifespan Extension Plan - Pipeline Inspection and Repairing
Main pipeline C
Sub-pipeline BH
Sub-pipeline BF
30 Household Connection Upgrade
Change in contracting method
Improve household connection rate
Adoption of Rule new amendment techniques
31 Household Connection - Change of Work paths
Turkey Contract New Techniques
Design Traditional procurement Construction
Vertical and horizontal boring Small pumping manholes 1. Efficiency improvement for small-diameter piping 2. Milestones
Design + TurnKey Construction Vacuum sewerage Straight pipe connection well model
32 Household Connection - Rule Amendment
Subsidizing policy adapt Inspection enforcement Incentives Penalties Announcement of penalties for households not connected to existing sewerage systems with deadlines for improvement.
施工障礙
p Water pollution prevention User-pay Scope expansion fee Scale increase Announcement of water pollution levy for households not connected to existing sewerage systems.
33 I. Sewer System of Taipei City – Current Situation
II. Sewer System of Taipei City – Planning
III. Sewer System of Taipei City –
34 Visions for Taipei City sewer system 2030 –Wastewater Treatment self-sufficiency 2032 –90% household connection rate Shezidao Binjiang Plant Plant Operation Mingsheng 100 Operation 97.5 97.5 97.5 97.5 Plant 94 94 94 95 Operation
90 87.34 87.39 87.44 87.49 87.53 87.58 87.62 87.65 87.69 87.72 87.75 87.78 87.80 85 Wastewater flow 80 78 78 78 4 74 74 74 (x 10 CMD) 75 70 65 60 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 Interception flow Sewage flow Design treatment capacity 35 Sustainable River Water Quality Improvement
(Existing) Bali Plant (Existing) Neihu Plant
Primary Treatment Secondary treatment Suburban sewage transport Wet season: < 240,000 CMD through Taipei City: Dry season: 140,000 ~ 160,000 70,000 ~ 80,000 CMD CMD
Shezidao Plant Minsheng Plant
Tertiary treatment Wet season: 35,000 CMD Tertiary treatment Dry season: 35,000 CMD Wet season: 40,000 CMD Dry season: 40,000 CMD
Binjiang Plant
(Existing) Dihua Plant Tertiary treatment Wet season: 160,000 CMD Secondary treatment Dry season: 110,000 ~ 160,000 Wet season: ≦ 450,000 CMD CMD Dry season: 500,000 ~ 550,000 CMD 36 Reclaimed Water in 2030
Total reclaimed water up to 145,000 CMD Neihu內湖廠Plant 2萬20,000CMD CMD 社子島水資中心Shezidao Plant
3.535,000萬 CMDCMD Minsheng民生水資中心Plant Estimated completion time is 2028 2萬20,000CMD CMD Estimated completion time is 2022 Binjiang濱江水資中心Plant 660,000萬CMD CMD
Estimated completion time is 2025 迪化廠Dihua Plant 1萬10,000CMD CMD
37 Visions for Taipei City
Habitable Recyclable Sustainable
Sustainability Ecology Water Resources Water Loving 38 Thank for your attention
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