Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project Water Management Bureau of Guiyang Song Wei Guiyang Nanming River Water Environment Comprehensive Improvement Project
Headquarter of Nanming River and Aha Reservoir Basin Water Environment
Comprehensive Improvement Project
Water Management Bureau of Guiyang
Song Wei
Guiyang Nanming River Water
Environment Comprehensive
Improvement Project
Project Overview 1
南明河水环境综合整治项目整体实施方案
1Project Overview
Nanming River is the “mother river” of Guiyang City. It
originates from Pingba County, Anshun City, Guizhou
Province. It belongs to the Yangtze River system and
Wujiang River tributary. The drainage area is 6600km2
and the total length is 118km, including 100km in
Guiyang City and 36.4km in the city section. It accepts
five tributaries of Madi River, Chenliang River, Xiaoche
River, Shixi River and Guancheng River respectively.
The leaders of previous provincial and municipal party
committees and governments attached great importance
to the governance and protection of Nanming River.
From 1985 to 1986, Hu Jintao, then secretary of the
Guizhou Provincial Party Committee, personally took the
lead in participating in the dredging of Nanming River and
achieved good governance results.
南明河城区段水系图
城区行政范围
上游汇水区
小 黄 河
花溪河
鱼梁河
南
明
河
核心段
1.1Nanming River Basin Overview
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
• On August 24, 2016, Chen Miner,
secretary of the Guizhou Provincial
Party Committee, inspected
Nanming River project and
inspected the Qingshan Wastewater
Treatment Plant.
• On May 4, 2017, Chen Miner, then
secretary of the Guizhou Provincial Party
Committee, accompanied the Central 7th
Environmental Protection Inspector Group
to inspect Qingshan Wastewater Treatment
Plant.
• From 1985 to 1986, Hu Jintao,
then secretary of the Guizhou
Provincial Party Committee,
personally took the lead in the
dredging of Nanming River.
• On August 25, 2017, then
secretary of the Guiyang
Municipal Party Committee, Li
Zaiyong, current deputy governor
of Guizhou Province, visited
Nanming River.
1Project Overview 1.1Nanming River Basin Overview
1Project Overview 1.2Water pollution situation
The urbanization of Guiyang started late and entered the stage of rapid development from 2004. Only from 2004 to 2012, GDP
growth exceeded 4 times. With the rapid development of the economy, more than 200 industrial enterprises and daily sewage along
Nanming River discharged a large amount of sewage into the river every day. The river gradually deteriorated, turned black, and
became stinky. The water quality of the tributaries of Nanming River and Shixi River in the upstream city became poor class V,
and the river course lost its natural purification ability.
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
The black odor of Nanming River has seriously affected the production and life of residents along the river. It was imminent to
control Nanming River and protect the mother river. The people were looking forward to it.
1Project Overview 1.3The necessity of introducing PPP model into the project
1. Although Guiyang City has repeatedly treated Nanming River, it has not been able to get a fundamental improvement in the
water environment. The pollution situation of Nanming River has seriously affected the normal life of the local residents and the
city positioning of Guizhou's pioneering demonstration zone for ecological civilization and “cool Guiyang”. The new municipal
party committee and municipal government faced great challenges and required a systematic solution to the problem of water
pollution in Nanming River Basin in a short period of time.
2. Due to historical reasons, the economic development of Guiyang started late. There is a certain contradiction between
economic development and environmental protection. The task of river basin governance is tough, and local government faces
great financial pressure.
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
1Project Overview 1.4Project organization guarantee and implementation process
1.After full investigation of water control mode across the country, Municipal Government of Guiyang changed its idea from
investment and construction to purchase of services and process supervision. In order to break the traditional governance
model of “segmentation and multi-head water control”, a permanent institution - Nanming River Rehabilitation Project
Headquarters, was established, with the head of the municipal administration as the commander, and the head of the
relevant municipal functional department as the deputy commander. Municipal ecological, urban management, water affairs
and other functional departments and district and county leaders as members, and regularly held meetings to promote planning,
bidding, state-owned assets supervision, price verification, project auditing, financial accounting, legal negotiation, fee
payment, etc., to simplify the procedures, which greatly improved work efficiency and quality of government services,
providing a well organized working system to the implementation of the project.
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
2.The Municipal Government of Guiyang has made up its mind to
open up the market. They adopted the PPP model in advance, and
introduced social capital with strong technical, financial strength
and social responsibility through public bidding. The government
assigned professionals do professional work, which is to take
responsibility of the whole process of project planning and design,
investment and financing, construction and operation management.
1Project Overview 1.5 Implementation content
The Nanming River Basin Water Environment Comprehensive Improvement Project is based on the principle of “Government-led,
mechanism innovation, legal governance, science and technology support, participation by the whole people, and long-term governance
for a long time”. The entire plan is implemented in phases.
Phase I (November 2012~May 2013): Mainstream interception, dredging, dam renovation, 500,000 tons/day TOT stock sewage
treatment plant upgrade, odor treatment, main flow ecological restoration, landscape enhancement, etc. The total investment is 1.1
billion yuan.
Phase II (August 2014~December 2016): Focusing on improving water quality, tributary management, the construction of sewage
treatment facilities (plants and pipe networks): Build new sewage treatment plants such as Xinzhuang Phase II and Huaxi Phase II (a
total of 425,000 tons/day) and supporting pipe network, new sludge disposal center, control water quality from the source, and perfect
the interception system for the tributaries of Shixi River and Guancheng River and improve ecological restoration of the interception
system of Nanming River. According to the previous Nanming River treatment effect, the actual situation of the river ecological water
quality and the recommendations of the experts of the three ministries, the municipal government approved the adjustment plan. Newly
build Jinyang Phase II, Jinbai and other sewage treatment plants (140,000 tons/day), sludge resource disposal (500 tons/day), Nanming
River ecological restoration, Huaxi River tributary treatment and river basin environmental Internet information supervision system
construction and other projects to ensure that the ecological water environment in Nanming River Basin continues to get better step by
step.
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
Phase III System Improvement Project (2016~2025): To achieve the goal of long-term clearance in
Nanming River, adjust the coastal industrial structure, control agricultural non-point source pollution,
gradually improve urban rainwater and sewage diversion, implement water and soil conservation and
ecological restoration within the basin, and establish a long-term mechanism for pollution prevention and
treatment.
At present, in accordance with the requirements of the Guiyang Municipal Party Committee and the
Municipal Government, in order to consolidate governance, the “One River” plan and the system
improvement project is being implemented. By controlling the reduction of pollution sources, increasing the
collection and treatment capacity of domestic sewage and initial rainwater, improving the tailwater discharge
standards of wastewater treatment plants and the level of wastewater reclamation and utilization,
strengthening the accumulation and utilization of rainwater in the later period to achieve water cycle balance
and restore river ecology
1Project Overview 1.5 Implementation content
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
1Project Overview 1.6 Content of completed major projects
西 河
河
车 小
南
明
河
花 溪
河 河
黄
小
河
堤
麻
市
贯
城
河
松
溪
河
鱼
梁
河
鱼 洞
河
麻堤河下沉式 污水厂(一期)
青山下沉式污水厂
孟关污水厂(一期)
牛郎关 污水厂(一期)
花溪污水厂(一、二期)
图例:
新建污水厂
提标污水厂
污泥深度处理中心
厂外沉砂池
河道生态修复
污水收集系统
配套管网
河道防淤
截污沟除臭
翻板坝
新庄污水厂(一期)
金阳污水厂 (一、二期)
污泥处理中心(新庄污水厂二期)
新庄污水厂(二期)
花溪污水厂(一、二期)
小河污水厂
二桥污水厂(一、二期)
截污除臭
翻板坝
金阳污水厂(一期)
新庄污水厂(一期)
二桥污水厂(一、二期)
小河污水厂
五里冲污水厂(一期)
1.External pollution control
11 sewage treatment plants have been built with a total scale
of 940,000 m3/d; 3 under construction that gradually entered
the trial operation, with a total scale of 75,000 m3/d; 5
upgradeds tock sewage treatment plant with a total scale of
500,000 m3/d; the supporting sewage collection pipe
network has been improved 91.39 km.
2.Endogenous governance
The main and tributary channel has a dredging of 920,000
m³, a deep pit backfill of 216400 m³, a silt-proof pipeline of
2.3 km, and 5 flap dam reconstructions.
3.Ecological landscape
Complete the construction and restoration of main and
tributary ecological 73,000 m2, 4 shoal wetlands, 15,300 m2,
and ecological revetment of more than 30,000 m2; The
landscape reconstruction is 203600 m2, the light is 5.2 km,
and 2 landscape parks are replaced.
4. Odor control
7 sets of new decontamination ditch deodorization system;
200 t/d new sludge deep treatment center (80% moisture
content).
5.Water quality testing
Construction of 12 water quality monitoring points and 1
testing platform.
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
1Project Overview 1.7 Governance effectiveness
Time Poor
class V class V
class Ⅳ
2012.06 (Before
governance) 51.0% 10.1% 8.8%
2013.06 17.4% 24.3% 28.2%
2015.06 7.5% 31.8% 30.6%
2017.05 7% 26.8% 31.6%
Nanming River has achieved phased results. The main and tributary
water body of poor Class V water quality has decreased from 51%
to 7%, the Class V water body has decreased to 26.8%, the Class IV
water body has increased to 31.6%, and the main pollutant index
CODcr of the main stream management section has stabilized to reach
the surface water class III water quality standard. The NH3-N and TP
concentrations in most river sections have been significantly reduced and
effectively controlled.
The results of ecological survey indicate that the water plant populations
in the main stream of Nanming River are rich, and the biodiversity index,
aquatic plant coverage and system integrity are significantly improved,
especially that the coverage of submerged plants has increased from
15% to 73%. At the same time, the flood control capacity of the river
has also been effectively enhanced. In July 2014, it successfully resisted
the torrential floods that occurred once in a hundred years. Through the
implementation of the construction of sewage treatment plant and
sewage collection pipe network, Guiyang City has reached the
assessment standard of the national environmental protection mode
city, and successfully passed the assessment and acceptance of the
national expert group.
2012.06
花溪河
小黄河
麻堤河
市西河
贯
城河
南
明
河
小车河
劣Ⅴ类 Ⅴ类
Ⅳ类 Ⅲ类
花溪河
小黄河
麻堤河
市西河
贯
城河
南
明
河
小车河
2013.06
花溪河
小黄河
麻堤河
市西河
贯
城河
南
明
河
小车河
2015.06
花溪河
小黄河
麻堤河
市西河
贯
城河
南
明
河
小车河
2017.05
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
1Project Overview 1.8 Comparison pictures of governance effectiveness
After governance Before governance
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
After governance
After governance After governance
Before governance
Before governance
Before governance
After governance Before governance
After governance Before governance
1.9 Photos of governance effectiveness of Nanming River
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
1Project Overview
On August 24, 2013 and June 21, 2014, the municipal government, the provincial environmental protection department,
the provincial housing construction department, and the provincial science and technology department organized the
water environment management experts of national three ministries and commissions to assess the first phase of the
Nanming River water environment comprehensive improvement project. The second phase of the program was
demonstrated. Relevant government departments, people's congress representatives of the city, CPPCC members,
citizen representatives and media attended the meeting. Experts achieved following agreement:
1.The treatment plan of “cutting pollution and pollution control first, eliminating endogenous pollution as protection,
improving environmental quality on both sides of the strait as demand, and restoring ecological self-purification ability to the
fundamental” is scientific, systematic and reasonable;
2. Water quality of the first stage of Nanming River has been fundamentally changed;
3. The comprehensive improvement mode of Nanming River water environment has become an example of pollution
control in urban rivers in China;
4. The second phase of the comprehensive improvement of the water environment of Nanming River reflects the principle of
adhering to the past;
5. The second phase of Nanming River water environment remediation program is scientific, systematic, pragmatic and
reasonable.
In view of the first phase of Nanming River's governance and various conditions, through further governance, Nanming
River will become a “domestic leading and world-class” river governance mode.
1.9 Governance effectiveness
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
1Project Overview
Demonstration Conference of National Three Ministries Experts of Nanming River Water Environment Comprehensive
Renovation
1.9 Governance effectiveness
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
1Project Overview
• On October 18, 2014, the Ministry of Housing and
Urban-Rural Development held a national experience
exchange conference on urban infrastructure
construction experience. The Nanming River
Management of Guiyang City was shared as a
demonstration project at the meeting.
1.9 Governance effectiveness
At that time, Chen Zhenggao, Minister of Housing and Construction, gave a high evaluation to the Nanming
River Basin Water Environment Comprehensive Improvement Project.“The comprehensive management
of Nanming River in Guiyang City, Guizhou Province is very good, especially on comprehensive
management, overall planning, and implementation of branches. The effect is obvious!”
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
1Project Overview
The Guiyang Nanming River
Treatment Project was selected as the
first batch of national PPP
demonstration project by the Ministry
of Finance.
On December 25, 2014, the Ministry of
Finance held a special training course
on government and social capital
cooperation. Nanming River
Management is the one and only PPP
project in China for water environment
management. CITIC Water (China
Water Environment Group) shared its
successful experience as the only
invited water company.
1.9 Governance effectiveness
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
1Project Overview
On July 16, 2014, Guiyang suffered the largest rainfall since the city had a meteorological
record: 201.7 mm! The comprehensive improvement of the water environment of Nanming
River has completed the test of extreme rainstorms and played an important role in flood
control and disaster prevention in Guiyang City.
1.9 Governance effectiveness
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
1Project Overview
1.9 Governance effectiveness
Nanming
River
flood
scene
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
1Project Overview
New developments
and new
requirements 2
南明河水环境综合整治项目整体实施方案
2 New developments and new requirements
In recent years, the State Council and the Ministry of Environmental Protection, the Ministry of Housing and
Urban-Rural Development, and the Ministry of Water Resources have successively issued a series of new
environmental protection laws and regulations, such as “Water Ten Articles” and “Sponge City Construction
Technical Guide”, which have raised higher requirements of water pollution prevention in Nanming River.
On August 24th, 2016, when Chen Miner, then secretary of the Guizhou Provincial Party Committee,
investigated the governance of the comprehensive improvement project of the Nanming River Basin, he fully
affirmed the comprehensive improvement effect of Nanming River at the scene, and proposed to promote the
construction of the entire ecological civilization with key river basin management. With the goal of creating
"one river, one hundred mountains, and one thousand gardens", we need to do a good job in project
implementation and string the Nanming River into a beautiful necklace.
In September 2016, the joint investigation team of Guizhou Provincial Water Resources Department and
Provincial Environmental Protection Department pointed out on the investigation report of Nanming River:
The comprehensive management of Nanming River has achieved remarkable results, and the pollution
level of Nanming River has been significantly reduced. The "Report" also pointed out that the water
environment of Nanming River still needs further improvement at this stage, and put forward corresponding
suggestions.
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
2.1 Research report of the joint research group of two departments
The former phase of the project was effective
The water quality of individual tributaries is still grim, and there is
an urgent need for governance.
1.The first and second phase of Nanming River Comprehensive Management Project, which was
organized and implemented at the end of 2012 in Guiyang City, has achieved remarkable results in
improving the water quality of the river in the main stream of Nanming River, and basically solved
the problem of “black and stink” water body.
2.The deterioration of the water environment in the three tributaries of Xiaohuang River (including
Madi River), Shixi River and Guancheng River is still very serious, and it is one of the main factors
that restricts the water quality of Nanming River.
2 New developments and new requirements
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
Control the development and utilization of the upper reaches of Nanming River Basin,
and it is necessary to carry out ecological water replenishment in Nanming River Basin.
It is necessary to demonstrate the further improvement of the effluent standards
of sewage treatment plants.
3.Water resources in the upper reaches of Nanming River Basin is over-used, which resulted in
insufficient water use in the downstream river environment. This is one of the important factors
restricting the water environment quality of the Guiyang City section.
2.1 Research report of the joint research group of two departments
4. The relationship between that the effluent from the sewage treatment plant has reached the first-
class A standard of the “Emission Standard for Pollutants in Urban Sewage Treatment Plants” (GB
18918-2002) and the Water Quality Standard for Surface Water (GB3 838-2002).
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
2 New developments and new requirements
In accordance with the principle of “unified planning and step-by-step implementation” of the Nanming River water environment
comprehensive treatment plan, on the basis of the implemented project content, in order to further improve and upgrade the water
quality of Nanming River tributaries, the next stage of work objectives are as follows:
1. Through the measures of ecological dredging, odor remediation and intensified management, the odor of the main city section
of Nanming River will be eliminated by the end of 2017.
2. Through further implementation of water replenishment, improvement of sewage interception, promotion of sewage plant
construction and management of Shixi River and Guancheng River, the water of Nanming River will be clear by the end of
2018, and the main indicators will basically reach the Class IV standard of surface water.
3. For the main tributaries that do not have the transformation conditions, the drainage ditch will be controlled, and the overflow
pollution control will be carried out. At the same time, the water discharge standard of the sewage plant along Nanming River
Basin will be improved, the ecological restoration will be strengthened, the reclaimed water reuse and the water adjustment and
hydration system will be improved. The main indicators of the river will reach the Class IV standard for surface water in
2020 and have a stable ecosystem.
2.2 Nanming River System Improvement Project
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
2 New developments and new requirements
2.3 Governance ideas
Comprehensive improvement of water environment in Nanming River Basin
Status and problem identification and key factor analysis
Pollution contribution
Total amount of pollution
Pollution intensity
Pollution source
Systematic improvement of ecological landscape effects
Realize the utilization of rainwater resources
Effective utilization of reclaimed water
Non-point source
pollution control
Internal pollution control
Reclaimed water use
Water environment
safety construction
Sewage and pollution control system
Ecosystem construction
Improve interception system
Wastewater plant construction
CSO control
Agricultural non-point source
control
Water quality improvement
Reclaimed water network
River dredging
River bank treatment
Ecological wetland
Ecological revetment
Smart water system
Water environment monitoring
Platform construction
Water environment quality
simulation analysis
Clear water supply system
Water conservation
Water diversion project
Based on the results of the first and
second phases
Sewage treatment plant upgrading
Channel cleanout
Biological debris removal
guide Committee of
experts
guide
Sludge treatment and disposal
Improvement of environmental
sanitation system
Establish a long-term operational monitoring and management mechanism
Improve water quality in the basin, and form a water environment with clear water and rich economic prosperity
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
2 New developments and new requirements
0.0
0.3
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0
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NH3-N(mg/L)
10
15
20
25
30
35
0
61
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12
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26
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41
47
45
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4
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1
COD(mg/L)
花溪补水5万吨/日 花溪补水10万吨/日
小河厂 入流断面
三江口 市西河 入流断面
小河厂 入流断面
三江口 市西河 入流断面
According to the simulation analysis, after the above
engineering measures, the main water quality indicators
(CODCr, NH3-N, TP) of the main stream of Nanming
River (Sanjiangkou ~ Hongyan Bridge) can reach Class IV
water quality standard.
小河厂 入流断面 三江口 市西河
入流断面 0.0
0.1
0.2
0.3
0.4
0
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2
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4
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6
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1
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91
1
TP(mg/L)
2.3 Accessibility analysis
Based on the current situation of Nanming River water
environment, as well as the topography, hydrology and water
quality of the basin, comprehensive consideration is given to
the use of sewage interception, sewage plant construction,
sewage treatment plant labeling, ecological enhanced
purification, river ecological restoration, clean water
source water supply and other engineering measures. The
international leading DHI MIKE mode is used for simulation
prediction and analysis.
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
2 New developments and new requirements
In 2017, “Deodorization” has completed the following work:
Improve the main stream and the sewage interception pipe of Shixi, Madihe, Guancheng River and Xiaohuang River 43.35 km (new construction 28.35km, dredging maintenance 15km, all completed); The main stream of the Liberation Bridge - Tuanpo Bridge and the tributaries are dredged; Promote the construction of 2 sewage treatment plants under construction of 45,000 m³/d; Ecological engineering construction in the upper reaches of the Xiaohuang River (ecological front storage, multi-level grit, slag blocking and ecological slope protection, interception ditch connection project); The landscapes of Nanming River and Shixi River are upgraded; Maintenance of 7 deodorizing equipments; Damaged shots and inspection wells were replaced and sealed; Inspection and closure of the inspection section of the provincial party committee; It is recommended to establish a tributary upstream garbage collection and transportation system.
In 2018, "Water Clearing" will carry out the following work:
Water and hydration and clear water drainage; 5 new sewage treatment plants, 330,000 m³/d (Maidi River Phase II, Xinzhuang Phase II Stage II, two sewage plants selected for advancement); Relying on the environmental Internet of Things and water environment big data, build a smart water management platform such as water quality monitoring and water conservancy dispatching; Construction of the squid gully sewage tunnel 0.74 km (in implementation); comprehensive management of 19 ditches ;Nanming River ecological restoration and landscape construction improvement; Initial rainwater storage.
The main water quality indicators in 2020 will reach the surface water class IV:
The existing Class A sewage treatment plant has upgraded 6 sets of 820,000 m³/d; Implementing the water reuse project, replacing the ecological water source can be used to increase the river hydration; Relying on the environmental Internet of Things and water environment big data, we will further improve the smart water management platform such as sewage supervision, water quality monitoring, hydrodynamic mode analysis and early warning, water conservancy dispatching and ecological assessment.
西 河
车 小
明
河
花 溪
河 河
黄
小
河
堤
麻
市
贯
城
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松 溪 河
鱼
梁
河
鱼 洞
河
图例
河
南
三桥下沉式污水厂
六广门下沉式污水厂
麻堤河污水厂(二期)
贵医下沉式污水厂
金阳下沉式
污水厂(三期)
二桥污水厂(三期)
新庄污水厂二期二阶段
小黄河多级沉砂、生态护坡、拦渣及生态前置
库等
花溪污水厂(一、二期)
新庄污水厂一期
新庄污水厂二期
小河污水厂
金阳污水厂(一期)
二桥污水厂(一、二期)
新建污水厂
河道清淤
截污管完善
截污管沟建设
小黄河生态工程
鲤鱼大沟
污水厂提标改造
近期调水方案
小关污水厂(一期)
隆昌污水厂(一期)
未来方舟污水厂(一期)
奶牛场污水厂(一期)
远期调水方案
2.4 Nanming River Deodorization and Clearing Project
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
2 New developments and new requirements
Experience 3
南明河水环境综合整治项目整体实施方案
Project preparation
3.1Operational flow chart of PPP project for the second phase of comprehensive improvement of water environment in Nanming River, Guiyang City 3 Experience
Guiyang Municipal Government initiated the second phase of Nanming River Water Environment
Comprehensive Improvement Project
Established the headquarter of Nanming River Water Environment Comprehensive Improvement Phase
II Project
Demonstration of technical scheme
Feasibility demonstration
Prepare project PPP implementation plan, and determine transaction mode, legal documents and financial
plan
Implementation of the plan with market test
Organize functional departments and experts review the implementation plan
and report to the municipal government for approval
Organize national experts to conduct scientific
demonstration of technical programs
Value for money and financial affordability analysis
Assisted by a third-party: professional consulting
agency
Judging whether the project is marketable
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
Project
procurement
Prepare bidding documents according to the PPP implementation plan, and finally select social capital by public bidding
Reach an agreement and sign contract
Seeking advices from nine departments on cooperation agreement
Multiple rounds of consultations with social capital
3.1Operational flow chart of PPP project for the second phase of comprehensive improvement of water environment in Nanming River, Guiyang City
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
3 Experience
Project construction and operation
Project financing financing is completed by the project company itself
Establish a project company
Project handover Develop a handover plan to ensure
the transfer rate and debt divestiture
Project execution and handover
3.flow chart of PPP project for the second phase of comprehensive improvement of water environment in Nanming River, Guiyang City
Project supervision (the Municipal Urban
Management Bureau, the Environmental
Protection Bureau and other departments shall
supervise the whole process of social capital
behavior according to the requirements of
relevant laws and regulations)
Service fee payment (after the project business department and
relevant supervision and management department have confirmed
the service quality, the government will pay the corresponding fee
according to the determined service quality)
According to the implementation plan, the whole
process of design, construction and operation is
completed by social capital.
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
3 Experience
(1) Adjusting municipal planning, distributed construction, and greatly saving investment.
Guiyang is a karst landform, urban water use is difficult to dispatch, and land resources are scarce. Guiyang City originally
planned to adopt the “large cut-off” planning scheme. A large-scale sewage treatment plant was built in the lower reaches of
Nanming River. No plant was built in the upper and middle reaches of the city. The designed sewage collection pipe has a large
diameter and a long distance, involving a large number of demolition and land acquisition, and the project investment is large.
China Water Environment Group re-optimized the original municipal planning with the principle of “modelrate concentration,
local treatment, and near reuse”, saving pipe network construction and land acquisition investment of about 1.5 billion yuan, and
operating electricity charges for water and water supply is about 30 million yuan.
“Intensive concentration, on-site treatment, and near reuse” innovative drainage
planning concept, saving investment of pipe network is about 1 billion yuan, and
saving annual operating cost is 0.3 billion yuan;
The annual saving of water resources is nearly 100 million tons, and
the annual water saving cost is 158 million yuan;
The construction period saved 30% ~ 50%, which has played an important role in the
success mode of Guiyang City and the successful passing of energy conservation and
emission reduction assessment.
3.2Nanming River PPP model effect
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
3 Experience
(2) Technological innovation and land
saving.
By introduction of China Water
Environment Group's independent
intellectual property rights "HELEME
biochemical treatment system", "land
intensive type, resource utilization type,
and environmentally friendly" full
sinking sewage treatment system and
other advanced technologies, and four
sewage treatment plants such as
Qingshan and Madi River, a total of 1053
acres of land for construction land and
sanitary protection belts have been saved,
and two landscape water parks have been
replaced. The Qingshan Plant Water
Environmental Protection Science
Education Base serves as the permanent
site of the “Ecological Civilization
Guiyang National Forum”, and the value
of surrounding land has increased greatly.
Schematic diagram of Qingshan Wastewater Treatment
Plant in Guiyang City
Ecological Civilization Guiyang National Forum
3.2Nanming River PPP model effect
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
3 Experience
(3) We assigned specific person to manage
professional work in order to improve
efficiency of investment and operation.
Through the introduction of social capital,
systematically plan and promote system
engineering such as river improvement,
sewage treatment and resource utilization,
and focus on large factories, rationally
allocate resources of neighboring small
factories , improve investment and
operational efficiency, and reduce the life
cycle cost of the project .
Built sewage plant
花溪污水厂 4+4万m³/d
小河污水厂 16万m³/d
二桥污水厂 8万m³/d
新庄一期污水厂 25万m³/d
麻堤河污水厂 3万m³/d
青山污水厂 5万m³/d
新庄二期污水厂 24万m³/d
金阳一期污水厂 5万m³/d
Sewage plant under construction Newly built sewage plant in the short term Newly built sewage plant in the long term
牛郎关污水厂 1万m³/d
孟关污水厂 1.5万m³/d
五里冲污水厂 3万m³/d
金阳二期污水厂 5+5万m³/d
三桥污水厂 4万m³/d
奶牛场污水厂 2.5万m³/d
贵医污水厂 5万m³/d
小关污水厂 1万m³/d
麻堤河污水厂二期 5万m³/d
金阳污水厂 5+5+10万m³/d
二桥污水厂 8+4万m³/d
六广门污水厂 12万m³/d
五里冲污水厂 3+3万m³/d
大水沟污水厂 3万m³/d
牛郎关污水厂 1+1万m³/d
孟关污水厂 1.5+1.5万m³/d
新庄二期污水厂 24+16万m³/d
花溪污水厂 8+4万m³/d
麻堤河污水厂二期 5+5万m³/d
未来方舟污水厂 2.5+2.5万m³/d
小关污水厂 2万m³/d
奶牛场污水厂 2.5+2.5万m³/d
3.2Nanming River PPP model effect
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
3 Experience
(4) Increase the amount of water use
in river landscapes
Through the implementation of this
project, the sewage treatment rate of
Nanming River Basin has increased to
over 95%, and the water quality and
sensory effect of the branch and main
stream will be further improved. The
water body of poor class V water quality
decreased from 51% to 7%, the class V
water body increased to 26.8%, the class
IV water body increased to 31.6%, the
class III water body increased to 35.6%,
and the river water supply along the
river sewage treatment plant is about
330,000 tons/day. The service area has
expanded about 90 square kilometers.
The main indicators (BOD5≤10;
COD≤40; NH3-N≤1.5) of the 65%
inspection section of the main stream
and the five tributaries meet satisfies
the water consumption of the
ornamental landscape environment.
3.2Nanming River PPP model effect
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
3 Experience
(5) Revitalizing stocks and optimizing debts
Through the introduction of social capital, the project will expand the financing channels, transfer the franchise
rights of some sewage treatment plants and new sewage treatment plants that were originally built, and bundle
them with Nanming River water environment comprehensive improvement project, and the transfer price of the
franchise is specially invested in the river basin management. The investment gap is subsidized by the government
to purchase environmental services, which greatly alleviates the pressure of short-term payment of funds during
the government construction period, effectively revitalizes the stock and optimizes the debt.
(6) Qualitative evaluation
During the implementation of the project, with the promulgation of documents such as the Ministry of Finance's
Caijing [2014] No. 113 document, the Guiyang Municipal Government introduced a third-party professional
consulting agency to conduct a qualitative evaluation of the project. Judging conclusions: From the perspective of
project service price, service quality, investment efficiency, risk allocation and implementation efficiency,
Nanming River Comprehensive Renovation Phase II Project is more suitable for operation in the PPP model than
the traditional government investment method.
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
3.2Nanming River PPP model effect
3 Experience
(1) Find suitable project investors
(2) Evaluation of the feasibility of the program
PPP projects must have a stable source of income, and their income should cover the investment of the entire project; Investors
based on decades of operational objectives, fully consider the economical efficiency and validity of the project, and achieve their
own reasonable interests within the scope of the government's ability to withstand. In the whole life cycle of the project, the
investor has the subjective initiative to optimize and do the project well, and realize the value for money; The implementation of
the PPP project should be matched with the development capability of the local regional economy. The PPP mode can alleviate
the government's financial pressure, rather than bring more burdens to the finance.
3.3Implementation points
PPP is not a short-term relationship love, but a long-term marriage. The partner of the
project is "a family." Therefore, the selection of project investors must meet the
government's investment needs: comprehensive technical capabilities, a high degree
of social responsibility, quality and quantity to complete the task according to the
required time.
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
3 Experience
(3) Scientific system research, unified planning, and step-by-step
implementation
The comprehensive rectification of the water environment is a system project with huge investment
demand and complicated operation, which has high requirements on professional technology and financial
security. Drawing on the successful experience of the Guiyang Nanming River Water Environment
Comprehensive Improvement Project, it is a prerequisite for the success of the PPP project to conduct
sufficient research and demonstration at the initial stage of the project. By overcoming the shortcomings of
“find-it and fix-it mentality” and the lack of systematic planning of the government in river basin management,
by re-optimizing the planning of river basin ecosystems and the layout of sewage plants, engineering
investment in pipe network collection, water transfer and water replenishment can be greatly saved. It also
greatly reduced the operating expenses of reclaimed water, which is the endogenous requirement and market
demand of projects invested by social capital.
Headquarter of Nanming River and Aha Reservoir Basin Water Environment Comprehensive Improvement Project
3.3Implementation points 3 Experience
Thank you!
2017.09 Guiyang