world bank document · 2016. 7. 17. · fasep grant (french government grant) to ningbo municipal...

E999VOL. 1

PEOPLE'S REPUBLIC OF CHINA

NINGBO MUNICIPAL GOVERNMENTTHE WORLD BANK

NINGBO WATER ENVIRONMENT PROJECT

DESIGN REVIEW AND ADVISORY SERVICES

ENVIRONMENTAL ASSESSMENT

VOLUME 1: EXECUTIVE SUMMARY

JANUARY 2005No. 13500117 - R3-Volume 1

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PEOPLE'S REPUBLIC OF CHINA

NINGBO MUNICIPAL

_ _ _ _EA H GOVERNMENT~~OGREAH

;U NUT A N T S WORLD BANK

NINGBO WATER ENVIRONMENTPROJECT

ENVIRONMENTAL ASSESSMENT REPORTEXECUTIVE SUMMARY [FINAL]

IDENTIFICATION No 1350117.R3.1

DATE: 12TH JANUARY 2005

This document has been produced by the Consortium SOGREAH Consultants/SCE as part of theFASEP Grant (French Government Grant) to Ningbo Municipal Government (Job Number1350117)

This document has been prepared by the project team under the supervision of the Project Directorfollowing Quality Assurance Procedures of SOGREAH in compliance with IS09001.

APPROVED BYINDEX PURPOSE OP MODIFICATION DATE AUTHOR CHECKED BY (PROJECT

MANAGER)

A First Issue 31/10/2004 JCA JCL GDM

B Revised Version 12/01/2005 JCA GDM GDM

INDEX DISTRIBUTION LIST CONTACTADDRESS

I NWEP (Ms Xu Xu, Mr Li Zhibo) PMO, Ningbo

2 The World Bank (Mr. Greg abrowderCEDworldbank.orgBrowder)

3 DREE/ME laurent.martinadree.orp,3 DREE/ME thomas.clochardadree.orp

4 SOGREAH (Head Office, alain.quequencsogreah.frSOGREAH China) qmovs(a)soqreah.com.cn

5 SCE (Head Office) piIles.warot(aisce.fr

NINGBO MUNICIPAL GOVERNMENT- THE WORLD BANKNINGBO WATER ENVIRONMENT PROJECT, DESIGN REVIEW AND ADVISORY SERVICES

ENVIRONMENTAL ASSESSMENT REPORT - EXECUTIVE SUMMARY

EXECUTIVE SUMMARY

SOGREAH Consultants/SCE hereby acknowledges the local consultants for performing the EAstudies for both components.

* The Chinese Research Academy of Environmental Sciences has performed the EA studyfor Ningbo Water Supply Project.

* The Beijing Novel Environmental Protection Co. Ltd. has performed the EA study for CixiWastewater Project.

Background

Ningbo City is located in the central section of the Chinese coastal mainland on the banks of theEast China Sea in northeast Zhejiang Province. Ningbo City is experiencing rapid economicgrowth, increase in its urban population and requires acceleration in its urbanization. Urbaninfrastructure, especially the water supply network, is lagging behind demand. Added to this is theaging and increased fragility of the existing water networks. If water supply is not strengthened, theproblems of insufficient water supply in Ningbo City will increase such that quality of life andeconomic development will be seriously compromised.

Cixi City lies northwest to Ningbo City and at the south bank of Hangzhou Bay. According to theMaster Planning of Cixi City, the population and industrial output will have increased rapidly by2020. Simultaneously, sewage and industrial wastewater will have increased and will bedischarged untreated into the river and canal system. Serious pollution (class V and worse) of boththe inland canal system and of the southern area of Hangzhou Bay will result.

Ningbo Municipal Government has resolved to utilize the World Bank loan program to complete"Ningbo Water Environment Construction Project". The planned project aims at improving citizens'water supply and industrial water utilization environment, complete urban infrastructure, improveurban residents' quality of life and meet the demand of rapid urban economic development byincreasing clean water and wastewater treatment and improving the quality on inland waters. Thisproject has been listed in the planned optional projects of World Bank loan in 2004-2006 financialyears and approved by the State Council. Figure 1 presents the general location of the project.

Brief Promiect Description

The project objective is to facilitate the expansion of water and wastewater services in the Ningbometropolitan area and thereby protect public health, improve the environment, and sustain thearea's rapid economic growth. The proposed project has two main components: Ningbo WaterSupply Project will be implemented by the Ningbo Water Supply Company (NWSC), CixiWastewater Project will be implemented by the newly formed Cixi Municipal Sewage Company(CMSC). The details of these components are presented in Table 1. Figure 2 presents the locationof NWSP and Figure 3 presents the location of CWP.

The preliminary project cost is 2,547 million RMB (US$307 million), with World Bank financing ofapproximately 1,359 million RMB (US$164 million). The project cost includes 1,426 million RMB forNWSP, 1,079.6 million RMB for CWP and 41.8 million RMB for Technical Assistance. Projectduration is estimated at five years, starting in mid-2005, although as noted below some work willbegin in late 2004 (with the potential for retroactive financing).

SOGREAH -JCA- 1350117.R3.1 -FINAL PAGE I JANUARY 2005



TABLE 1: COMPOSITION OF PROJECT COMPONENTS

Project name Components Contents of the project Remarks

Raw water A 5OO,Om3/d capacity water intake tower Water flows by gravityintake and is provided in Jiaokou reservoir. 9.58km from water works totransmission long tunnel connects to Maojiaping water urban ring main and

Ningbo City tunnel treatment works. villages and towns inZhougongzhai A 500,000m3/d capacity water treatment Yinxi region.and Jioakou Water works is built in Maojiaping. The WTWReservoir Water treatment occupies a land of 140.3mu (9.35ha)Diversion and works including 20mu reserved for advanced Spur water mains toUrban Water treatment. villages and towns inSupply Ring Yinxi region areNetwork Project Two transmission mains totalling 36.9km planned under a

Trunk mains length outgoing clean water from separate contract.and urban Maojiaping WTW to main water distribution Total supplyring main pipe network. Urban water ring main has a 150,000m3/d

total length of 46.7km.

Northern A 100,000m3/d wastewater treatment plant The eastern WWTPWWTP is provided in the northern part of Cixi city. will increase to

m plt100,0m3/d in 2020,Eastern A 50,000m3/d wastewater treatment plant the northern WWTPWVvTP is provided in the eastern part of Cixi city. will increase to

Cixi City Urban 320,000m3/d in 2020,Wastewater A sewage collection network is provided in and currentTreatment Phase part of downtown and every central district JiaochangshanI Project Sewage of town. It includes the main trunk sewers WVTP increase to

collection (93.13km), the sewage pump stations of 45,000m3/d in 2010.network the main trunk (15 sets), the key pipelines This part of work is

in towns (133km) and the town sewage not included in thispump stations (42 sets). project.

Alternative options for a number of project components have been studied during the design periodand throughout this EA. These have included the raw water intake, raw water distribution routes,WTW locations, treated water trunk main routes for NWSP. Similarly for CWP, options for WWTPlocations, sewage pipeline system routes, sewage treatment processes, WWTP effluent outletsand sludge treatments have also been studied.

Baseline Environmental Description

Baseline situations are described in detail for each project area presenting all the mainconsiderations related to this project: geography, climate, rivers, reservoirs, canals network, ocean,natural wetlands, air quality, acoustic quality, terrestrial and aquatic biodiversity, social settings,land use, etc. When needed, monitoring and baseline survey were performed to collect moredetailed data on water quality, air quality, acoustic quality, etc.

In Ningbo, the designed water supply capacity of water works can no longer meet the need ofwater consumption; the overloaded operation of water works has affected water supply securityand quality and increased the difficulty of management and supply. According to Ningbo citymaster plan and in order to respond to the increasing water demand in the city, the water supplycapacity of Ningbo should increase to 2,000,000m3 /d by 2006, 2,600,000m3/d by 2010 and3,000,000m3/d by 2020. These objectives will be reached by implementing this project and severalsimilar projects, such as Dongqian lake waterworks, Beilun water works phase 2, etc.

SOGREAH-JCA-1350117.R3.1 -FINAL PAGE II JANUARY 2005



In Cixi city, the majority of domestic and industrial sewage is discharged untreated directly into therivers and canal network causing serious pollution. By 2000, three municipal sewage systems andone WWTP (with a 45,000m3/d capacity) have been built and operated successfully. In addition acanal improvement scheme and a river diversion program are being implemented in order toincrease the canal water storage, enhance the water mobility and improve the water quality. Theimplementation of this project should respond to the increase of sewage production and after thecompletion of the Phase 2 work in 2020 the treatment ratio should approach 100%.

Potential Environmental Impacts and their Mitigation Measures

The project as a whole is substantially beneficial in environmental terms, with the positive impactsgreatly outweighting the negative impacts. This project brings general benefits to the citizens of theproject cities by improving their quality of life. The main benefits are the increase of water supplyquantity and quality in Ningbo and the enhancement of water quality in Cixi canals network.Nevertheless some negative impacts have been identified in the EA process for all components,and mitigation measures have been recommended.

With respect to identified land acquisition and social impacts, resettlement and compensation planshave been prepared and are covered in separate Resettlement Action Plans for Ningbo WaterSupply Project and for Cixi Wastewater Project. However, major impacts due to projects locationhave been taken into account in the EA.

Potential construction phase impacts are relatively minor and easily mitigated. These constructionimpacts have been studied in order to cover all the subjects involved in the two projects (seeTable 4 for Ningbo Water Supply Project and Table 5 for Cixi Wastewater Project). The keyenvironmental issues are:

* Impacts from earthwork and spoil production, handling and disposal: During constructionworks, a large quantity of earthwork will be produced (mainly for the transmission tunnel ofthe Ningbo Water Supply Project and the sewage pipeline system of the Cixi WastewaterProject). The impacts are considered minor because the majority will be reused for backfillor used for urban construction in the city and the remaining spoil will be disposed in sitesspecifically design for the project. A detailed construction program, including phasing,proposal for transport route and description of proposed disposal sites, will be requiredfrom the concerned contractors prior to start the works.

* Impacts on noise level from construction machineries: During construction works, noisefrom heavy machineries will be emitted and could affect the nearby environment,particularly in urban areas (mainly construction of treated water trunk mains and urban ringmain of the Ningbo Water Supply Project and construction of sewage pipelines and pumpstations of the Cixi Wastewater Project). The analysis of these impacts shows that theycould be reduced by strengthening management of the works and following specificrequirements such as: working period, low-noise equipments, temporary fences, etc.

* Impacts on water qualitv from construction wastewater and domestic sewage: Duringconstruction period, construction wastewater and domestic sewage generated by theconstruction staff are the main pollution sources for the water bodies (reservoirs, rivers).The risk applies to all construction sites, but is obviously more significant in the waterintake site due to the vicinity of Jiaokou reservoir and in the pipelines construction when itcrosses a river. To reduce or avoid the impacts on water quality, construction wastewaterwill be reused as much as possible on site, and effluents will be discharged after treatmentonly when the standards are respected. Monitoring will be performed on effluents andrivers (upstream and downstream construction sites) to confirm the absence of impact.Specifically for Jiaokou reservoir, watstewater generated during construction of the waterintake will be recovered and not discharged into the reservoir.

SOGREAH -JCA-1350117.R3.1 -FINAL PAGE III JANUARY 2005



Potential operational phase impacts are relatively minor and easily mitigated. Many of the concernshave been addressed in the course of the design of the water supply and wastewater components.These operational impacts have been studied in order to cover all the subjects involved in the twoprojects (see Table 4 for Ningbo Water Supply Project and Table 5 for Cixi Wastewater Project).The key environmental issues are:

* Impacts on downstream river of Jiaokou reservoir due to diversion of water (quality andauantitv): .Due to the diversion of 500,00m3 /d from Jiaokou reservoir, a water balance iscalculated using 40 years hydraulic data with a conservative projected water demand of2020 (including agricultural irrigation water, water for livestock husbandry, other waterneeds and supplementary flow to canal system). The analysis shows that, with jointregulation of Zhougongzhai and Jiaokou reservoirs, water demand for downstream Jiaokoureservoir can be guaranteed. In addition, a minimum release flow could be defined(0.9m3/s, i.e. 10% of average inflow to Jiaokou reservoir) in order to satisfy the ecologicaland environmental water demand of downstream river without causing significant impact(given the fact that there is no rare aquatic species, migratory fish, spawning site andfishery resources of economic scale).The analysis at this stage is appropriate, however, as environmental flow assessment is acomplex issue and a comprehensive study is needed (which will optimize the operation ofJiaokou reservoir), a further study could be conducted during implementation stage of theproject.

* Impacts on water quality of Jiaokou reservoir (and Zhouaonqzhai reservoir) and dowstreamriver: The fact that Jiaokou reservoir will, after the project construction, be mostly dedicatedto the water supply of Ningbo City makes it necessary to improve the protection of Jiaokouwatershed. In this aim, Ningbo City Water Environmental Control Leading Group hascompiled the "Countermeasure Study for Ningbo City Water Environmental Control", whichproposes the definite protection measures for drinking water head site in Ningbo city. Sincethe beginning of 2004, the city has invested a special fund to implement protection projectfor the water head site of the four major drinking water source reservoirs including Jiaokoureservoir. The protection measures for drinking water of Ningbo City include monitoringnetwork, solid waste disposal, wastewater treatment, tailored aqua-cultural development,soil erosion control and resettlement.

* Impacts on water quality in Cixi's canals network and marine environment: According tomodelling performed for various scenarios, the water quality of the whole canals networkwill be improved both long-term and short-term. However, a moderate deterioration ofwater quality will be caused near the discharge points of the two WvTPs but thisconsequence is considered acceptable. To optimize the final design, modelling analysedifferent discharge point options and recommend a multi-point discharge option for theNorthern WWTP and an unique discharge point between two sluice gates for the EasternWWVTP (further study will confirm that point). A standardized management of dischargepoints should be carried out according to the requirements of routine supervision andmanagement to facilitate sampling measuring and monitoring.For impact on marine environment, modelling was performed for conservative scenariosand concluded that the mixing zone during discharge time is kept within 2km offshorewhich is in compliance with national ocean function zoning requirement. The maximum sizeof areas that are affected by the discharge will be at the mean high moment of a neap tide,3,61km2 for the Northern WWTP and 0,56km2 for the Eastern WvvTP, but for comparison,at mean neap tide level, the size of the areas decrease to 3,85m2 for Northern WVWTP and0,46m2 for Eastern WWTP. Actually, the opening of sluice gates are normally openedduring flood season in a non-continuous way and the affected areas will be less.

* Impacts on Cixi's natural wetlands: Preliminary prediction results of the seawater qualityindicate that the affected areas are relatively small compared with the vast sea areas.Moreover, the sluice gates are not close to the center of the natural wetland and thenearby sea areas are not used for aquaculture production. Therefore, the biodiversity ofthe wetlands will not be affected.

SOGREAH -JCA -1350117.R3.1 -FINAL PAGE IV JANUARY 2005



* Impacts on noise levels (around WTW, WWVTPs and pump stations): Main noise sourcesare sewage lift pumps, air compressors and sewage pumps. The two Cixi's WWTPs willnot have substantial impacts on the surrounding acoustic environment. With the noiseinsulation effect of pump station building, noise level at pumping station boundary cansatisfy the corresponding noise standard, particularly in town area (west 1#, central 1#,central 2# and east 1# pump stations). Noise from heavy machinery in the MaojiapingWTW will have negligible impact because there is no residential area around it.

* Impacts on air quality from Cixi's WWVTPs emissions (odours): Odorous pollutants will beproduced in WWTPs by the biological treatment tank and sludge tank. The airconcentrations modelized at plant boundaries and sensitive points meet the standardrequirement.

* Impacts of sludge Produced by WvvTPs: Sludge produced in the Eastern and NorthernWWTPs will be treated using mechanical condensation and dehydration methods. Still, atotal of 50,000m3 of sludge (with 78% water content) will be generated and disposed inlandfill specially designed (with leachate treatment).

* Impacts on existing and planned wastewater treatment capacity in Ningbo: Aftercompletion of the project, generated wastewater after water utilization in Ningbo city willincrease because of the increase of the water supply. But according to planning,wastewater treatment plants are planned for construction and the wastewater treatmentcapacity will be sufficient (reaching 100% in 2020).

An ongoing World Bank project in this province, called Zhejiang Urban Environment Project, alsoseems to upgrade the environmental conditions by improvement of Wastewater Treatment Plantsand sewerage systems in Ningbo area. New wastewater treatment plants are planned as follows:Zhenhai Houtaitang WvvTP (30,000m3/d), Ningbo Jiangdongnan WvvTP (160,00Om 3/d) andDongqian lake WvvTP (30,000m3/d).

When needed, appropriate mitigation measures have been recommended togething monitoringwith to ensure that mitigation measures are effectively implemented. The EnvironmentalManagement Plan outlines the mitigation, monitoring and institutional measures to be taken duringproject implementation and operation to avoid or control adverse environmental impacts, and theactions needed to implement these measures.

A summary of impacts and mitigation measures is given in Table 4 for Ningbo Water SupplyProject and in Table 5 for Cixi Wastewater Project.

SOGREAH-JCA-1350117.R3.1 -FINAL PAGEV JANUARY 2005



Public Consultation and Information Disclosure

According to China environmental protection laws and regulations, management rules and WorldBank environmental assessment policy (OP4.01), public participation process was carried outduring Environmental Assessment to involve the people directly or indirectly related to this project.Public consultation for both components includes questionnaires and several rounds of publicmeetings from January to October 2004. The public expressed their strong interest about thisproject which can increase their quality of life. The potential adverse effects raised during theconsultation process were fully answered and have also been taken into account within this EAsuch that outcome may be considered as satisfactory.

A summary of public consultation and information disclosure is given in Table 2 for Ningbo WaterSupply Project and in Table 3 for Cixi Wastewater Project.

TABLE 2: PUBLIC CONSULTATION & INFORMATION DISCLOSURE FOR THE WATER SUPPLY COMPONENT

ACTIVITY BY WHOM WITH WHOM WHEN WHERE WORLD BANKREQUIREMENTS

Public consultation Ningbo Environment Govemment March to May Ningbo city OD 4.30 and OP(Draft questionnaires) Science Institute agencies 2004 and Yinzhou 4.01

Village leaders distriuctFarmersWorkersTeachersBusinessmenOthers

Information Disclosure Ningbo Environment Information place June 2004 NEPSRDI OP4.01(EA Draft Report) Science Institute in Yinjiang town,

Meixi village andNingbo city

Public consultation Ningbo Environment Govemment June to August Ningbo city OD 4.30 and OP(Revised Institute officers 2004 and Yinzhou 4.01questionnaires) Village leaders distriuct

FanmersWorkersTeachersBusinessmenOthers

Public Meeting Yinzhou Construction August 2004 Yinzhou districtAgencyNingbo Water SupplyCompany

Information Disclosure Ningbo Environment Information place September 2004 Baoyugang OP4.01(EA Revised Report) Science Institute in 'Ningbo Daily' library

NEPSRDIIntemet

Public Meeting Ningbo Water Supply October 2004 Yinzhou districtCompany

SOGREAH -JCA_ 1350117.R3.1 - FINAL PAGE VI JANUARY 2005

NINGBO MUNICIPAL GOVERNMENT- THE WORLD BANK

NINGBO WATER ENVIRONMENT PROJECT, DESIGN REVIEW AND ADVISORY SERVICESENVIRONMENTAL ASSESSMENT REPORT - EXECUTIVE SUMMARY

TABLE 3: PUBLIC CONSULTATION & INFORMATION DISCLOSURE FOR THE WASTEWATER COMPONENT

ACTIVITY BY WHOM WITH WHOM WHEN WHERE WORLD BANKREQUIREMENTS

Interviews with Beijing Novel Specialists of January to April Specialistsspecialists Environmental water 2004 offices

Protection Co. Ltd. conservancy,marine, planning,sewagetreatment,agriculture andenvironmentalsanitation.

Public consultation Beijing Novel Public to be January to April Cixi city OD 4.30 and OP(1" round Environmental affected 2004 4.01questionnaires) Protection Co. Ltd.

Cixi drainageCompany

Interviews with Beijing Novel Specialists of September 15 Specialistsspecialists Environmental water 2004 offices

Protection Co. Ltd. conservancy,marineaquaculture andagnculture.

Public consultation Beijing Novel Public to be September 2004 Sanbei, Fanshi OD 4.30 and OP(2td round Environmental affected near the and 4.01questionnaires) Protection Co. Ltd. WWVTP and the Chongshou

Cixi drainage sensitive points townsCompany

Public Meeting Beijing Novel Cropping farmers September 3' Sanbei, FanshiEnvironmental in Sanbei town 2004 andProtection Co. Ltd. Fishing farmers in ChongshouCixi drainage Sanbei town townsCompany Cropping farmers

in Chongshoutown

Public consultation Beijing Novel Public to be September2OD Sanbei 04.30 and OP(3' round Environmental affected near the and 28h 2004 Xiaolin, 4.01questionnaires) Protection Co. Ltd. WWTP and the Chongshou,

Cixi drainage sensitive points Xinpu, KandunCompany

Public Meetings Beijing Novel Residents living September 27'r Classroom ofEnvironmental within 100m from and 2 8 h 2004 ChongshouProtection Co. Ltd. the sound secondaryCixi drainage sensitive points school, SanbeiCompany during the secondary

construction school andperiod and Xiaolinpeople to be secondaryaffected by land schoolacquisition andresettlement

Site interviews Beijing Novel Residents living September 27' Sanbei town,Environmental within 100m from and 28th 2004 Xiaolin town,Protection Co. Ltd. the sensitive KandunCixi drainage pump stationsCompany

Information Disclosure Beijing Novel Information place October and WB project OP4.01(EA Final Report) Environmental in 'Cixi Daily' and November 2004 office

Protection Co. Ltd. Govemment web Cixisite construction

BureauIntemet

SOGREAH -JCA -1350117 R3.1 - FINAL PAGE VII JANUARY 2005

TABLE 4: SUMMARY OF IMPACTS AND MITIGATION MEASURES OF NINGBO WATER SUPPLY PROJECT

FIELD POSSIBLE IMPACTS I PROPOSED MITIGATION MEASURES COMMENTS

1 - ISSUES ASSOCIATED WTH THE CONSTRUCTION STAGE - Ningbo Water Supply Project

Impacts on land use, Ningbo Water Supply Project will involve the acquisition of See ReseHtlement Action Plan. All the involved persons have already acceptedland acquisition and 213mu collectively-owned land including 200mu for proposed compensations.reseHtlement Maojiaping WfTW and 13mu for tunnel access. The land For land acquisition and resettlement, ensure procedures

acquisition will affect 30mu orchard and 183mu forest land. follow Chinese regulations and WB Safeguards OP 4.12 Ensure acivities are carried out in pre-constructionand OP 4.20 period in order to cope with project construction

schedule.

The project will also temporarily occupy a total of See ReseHtlament Action Plan. Compensation fees (greater than loss) are already1,561.32mu land for six months. The land occupation will planned. A preliminary agreement has beenaffect 1,005mu of government property land (including For land acquisition and resettlement, ensure procedures reached between the affected villages and the955mu green belt) and 556.32mu of collectively-owned land follow Chinese regulabons and WB Safeguards OP 4.12 construction team.(including 77.32mu forest land, 459 paddy field and 20mu and OP 4.20fritillary land). Any need for temporary land outside project sites

will involve a procedure of approval by EMD prior toland occupation.

General impacts from Construction of some faclities will be distributed over Setting up of a strong organization for works Creaton of the Environmental Managementconstruction activities densely built urban area, with high rsks of detrimental environmental supervision and monitoring, with staff and Department (EMD) inside project's PMO and of the

impacts regarding nuisances and public safety if works do dear operational procedures for rapid and effective Environmental Supervision Unit (ESU) inside thenot cope with international standards and good practices. treatment of non-compliance. Construcion Supervision Engineer organization.

Preparation of detailed environmental specificabons for Environmental Field Inspectors provide routinethe contractors, to be part of the bidding documentation. monitoring of activity.Contractor environmental obligations are part of thecontract documentation.

Payment procedures for environmental actvities of thecontractor follow an incentive approach.

Impacts from Large quantities of spoil will result from earthwork 195,800m3 will be used for urban construction in Ningboearthworks and spoil excavation and from building demoliton. city, 10,000m3 will be utilized for this project andproduction, handling 100 ,60m 3 will be disposed in specific sites.and disposal About 246,800 m3 of excavation spoil is anticipated from

project, mainly from the raw water intake and the A detailed construction program, induding phasing,transmission tunnel works. proposal for transport route and description of proposed

disposal sites, will be required from the concernedcontractors prior to start the works.

Spoil from trunk main and urban ring main sites will bereuse for backfill.

Dust and sediment discharge to reservoir and rivers may Appropriate management of earthworks in accordance Most of technical measures described in theoccur from uncovered and unconsolidated materals during with the contractor environmental specificabons. This will Chinese regulation 'Temporary regulation onearthworks in dry season. include rules for piling, compacting and spraying spoil construction and environmental management of

while waiting evacuation or reuse. Temporary storage of construction sites".Dust may affect resident population in the areas where earth piles will drain into sedimentation basin beforetrunks are laid down. discharge of run-off to the river.

SOGREAH -JCA - 1350117. R3.1 - FINAL PAGE VIII JANUARY 2005

(TABLE 4 CONTINUED)

FIELD POSSIBLE IMPACTS PROPOSED MITIGATION MEASURES COMMENTS

Transport of material as earth fill, earth spoil, sand and Treated water trunk mains and urban ring main will begravel to or from site may affect urban areas crossed by the done by segmentation in order to minimize spoiltrucks if appropriate measures are not implemented, production during the construction.resulting in serious impacts on road traffic, public safety, airquality and noise. Washing station for trucks leaving construction sites to

limit mud transport in city roads, strict obligabonsregarding size of trucks, of load, necessary load cover,routes and timing will be imposed to concernedcontractor.

Impacts on air quality Impacts concern mainly the components located in dense Monitoring of construction sites to focus primarily in urban Compliance monitoring to be performed byand noise urban areas. Fumes and exhaust gas from trucks and construction sites. Specifications regarding operation and Contractors, with random controls of an

heavy machinery on construction sites may affect air maintenance of construction equipment and transport of Independent Environmental Monitoring Unit (IEMU).quality, as well as dust from material transport by trucks and materials by truck.earthworks.

Noise from heavy machinery, particularly along the treated Enforcement of existing noise standards related to Compliance monitoring to be performed bywater trunk mains and the urban ring main construction. machinery and working period. Contractors, with random controls of an

Forbidding the use of certain works durng nigh-time. Independent Environmental Monitoring Unit (IEMU).

Traffic congestion resulting from urban ring main Public information and appropriate construction practces Use of local medias and poster campaigns to informconstruction may result in temporary higher levels of and organization, with road signs and coordination with population on work schedule and location will helppollutants (TSP, NOx, CO). traffic Police will minimize impacts and ease traffic during reducng traffic disruption or congestion.

works.

Impacts on water Construction wastewater and domestic sewage during Wastewater will be discharged after treatment when the Compliance monitoring to be performed byquality construction will be discharged into the environment and standards are respected. Contractors, with random controls of an

may result in impact on river quality. Wastewater generated during construction of the water Independent Environmental Monitorng Unit (IEMU).

Pollution hazard may also result from heavy operating intake will be recovered and not discharged into themachinery, from storage of potential pollutants, such as reservoir.petrol or engine oils, from concrete production, fromdrainage of earth stock piles, from inappropriate disposal of Strict contractor environmental specifications regardingused engine oils and locally generated waste (workshops, the handling, storage or disposal of hazardous productslabor camps). and of waste produced on the construction sites.

The risk applies to all construction sites, but is obviously Compliance monitoring of drainage water quality frommore significant in the water intake site due to the vicinity of sites and enforcement of effluent standards. ManagementJiaokou reservoir, and in the pipelines construction when it measures at work site oriented towards prevention ofcrosses a river. pollution or accidental spill.

Monitoring of river quality upstream and downstreamconstruction sites.

Impacts on wildlife The project developed in rural environment will involve the Risk to be controlled under the monitoring of constructionand habitats loss of forest and shrub land. sites.

Trees to be felt in the streets or in green areas to bereplaced at the end of construction.

SOGREAH -JCA - 1350117. R3.1 - FINAL PAGE IX JANUARY 2005

(TABLE 4 CONTINUED)


Impacts on public If inappropriately managed, workforce may create relational Awareness training of all workers on environmental EMD/ESU assist in training workers onhealth problems with surrounding residents. issues. environmental basics and justiIcation of mitigation

measures.If inappropriately managed, labor camps may become the Strict obligations imposed to the contractor for thesite of epidemic burst out among workers and spread to organization and the management of labor force and Contractor requested to have recruitment medicalsurrounding population. Particular attention required for new camps. check for each worker, and medical visit once arisk as SARS. Contractor to prepare a CSEMP for approval. Monitoring year. Availability of medicine in case of epidemic

of labor camps and of worker health conditions by the will be requested at workers camps (dormitory orESU and Department of Public Health. canteens).

Impacts on on-site Occupational health and accident issues, resulting in Contractor to prepare a CSEMP for approval. In this plan, Monitoring of construction sites by ESU.public safety serious wounds or death of workers. contractor will clearly define the safety procedures in case

of accident on site, ensure that minimum first aidequipment is available on all sites and ensure availabilityand enforcement to wear PPE (personal protectiveequipment).

Impacts on off-site Risk is higher for components located in densely populated Strict clauses imposed to the contractor for the Monitoring by EFIs.public safety areas. implementation of acceptable standards for the safety of

Increased traffic of trucks on some road sections may residents surrounding construction sites: fencing,increase risk of traffic accident. information to concerned residents, access to roads andFor network component, increase risk of traffic accident buildings, procedure if road accident.because the alteration of the road traffic and risk for Detailed specifications on traffic regulation inside andresidents if excavation and works in the streets are not well outside the construction area to be prepared.isolated and protected from public area.

Impacts on cultural No impact is anticipated on construction sites. Possible Specific procedures if underground artifacts are identifiedheritage presence of archaeological or historical artifacts under the during excavation works in coordination with ESU.

future excavations.

SOGREAH -JCA- 1350117.R3.1 - FINAL PAGE X JANUARY 2005

(TABLE 4 CONTINUED)

FIELD | POSSIBLE IMPACTS PROPOSED MITIGATION MEASURES COMMENTS2 - ISSUES ASSOCIATED WITH THE OPERATION STAGE - Ningbo Water Supply Project

Impact on the quality Construction of NWSP will improve the water quality and No mitigation measure required.of life quantity distributed in the city to resolve the existing

problems on the water supply.

Impact on surface The downstream flow after Jiaokou reservoir in Zhangxi The analysis shows that, with joint regulation ofwater rver will not be significantly impacted thanks to the Zhougongzhai and Jiaokou reservoirs, water demand for

construcion of Zhougongzhai reservoir. Enough available downstream Jiaokou reservoir can be guaranteed. Awater could be discharged downstream for all the uses and minimum release flow should be assured (0.9m31s, i.e.to satisfy the ecological need (compensation discharge). 10% of average inflow to Jiaokou reservoir).

The water quality in Zhangxi rver will not be impacted by Monitoring of water quality in rivers by anthe NWSP project, but pollutions could occur from industrial Independent Environmental Monitoring Unit (IEMU).effluents in the river.

Effluent from Maojiaping WTW may locally impact the Wastewater will be discharged after treatment when the Compliance monitoring to be performed byXiaoxi river quality, but pollution level is limited as the standards are respected. operators, with random controls of IEMU.present water quality is Class IlIl with a great environmentalcapacity. Compliance monitoring of effluent quality from WTW and Monitoring of water quality in rivers by IEMU.

enforcement of effluent standards.

Monitoring of water quality should be performed indownstream rver.

Generated wastewater after water utilization in Ningbo city Monitoring of the planning implementation.will increase. But according to planning, the wastewatertreatment capacity will be sufficient.

Impact on reservoirs Zhougongzhai and Jiaokou reservoirs will be used as water Ningbo city has developed Water Environmental Control Protection zone defined in Zoughongzhai EA shouldmanagement drinking sources, therefore the water stored in the Countermeasures which focuses on drinking water be reinforced and assodated water quality

reservoirs should be in good quality. resources protection. measures should be taken.

Monitoring of water quality in reservoirs by IEMU.

Impact of noise Noise from heavy machinery in the WTW will have Enforcement of existing noise standards related to Monitoring to be carried out on a random basis bynegligible impact because there is no residential area machinery and working period. IEMU.around it.

Impact of sludge Sludge from Maojiaping WTW could become a potential Treated dry sludge will be used as backfill and it is not Monitoring to be carried out on a random basis bypollution source for surface water and groundwater. allowed to cover vegetation. IEMU.However the impacts are minor because it basicallycontains no harmful substances. Monitoring of sludge quality should be performed.

Impact on Tashan Reduction of incoming water from upper reaches should not No mitigation measure required.weir basically cause impact on Tashan Weir.

SOGREAH -JCA - 13501 17.R3.1 - FINAL PAGE Xl JANUARY 2005

TABLE 5: SUMMARY OF IMPACTS AND MITIGATION MEASURES OF CIXI WASTEWATER PROJECT


1 - ISSUES ASSOCIATED WITH THE CONSTRUCTION STAGE - Cixi Wastewater Project

Impacts on land use, Cixi Wastewater Project will involve the acquisition of See Resettlement Action Plan. All the involved persons have already acceptedland acquisition and 21 7.75mu, with occupied land of Eastern WW\TP 63.75mu, F l a proposed compensations.resettlement northern WVvTP 100.5mu and pump stations 53.5mu. For land acquisition and resettlement, ensure procedures

resl n n. follow Chinese regulations and WB Safeguards OP 4.12 Ensure activities are carried out in pre-constructionand OP 4.20 period in order to cope with project construction

schedule.

The project will also temporarily occupy 4,045.3mu, all for See Resettlement Action Plan. Compensation fees (greater than loss) are alreadythe construction of sewage pipeline network. planned. A preliminary agreement has been

For land acquisition and resettlement, ensure procedures reached between the affected villages and thefollow Chinese regulabons and WB Safeguards OP 4.12 construction team.and OP 4.20

Any need for temporary land outside project siteswill involve a procedure of approval by EMD prior toland occupation.

General impacts from Construction of facilities will be distrbuted all over a densely Sefting up of a strong organization for works Creaton of the Environmental Managementconstruction activities built urban area, with high risks of detrimental impacts environmental supervision and monitoring, with staff and Department inside project's PMO and of the

regarding nuisances and public safety if works do not cope clear operational procedures for rapid and effective Environmental Supervision Unit inside thewith international standards and good practices. treatment of non-compliance. Construction Supervision Engineer organization

Preparation of detailed environmental specifications for Environmental Field Inspectors provide routinethe contractors, to be part of the bidding documentation. monitoring of activity.Contractor environmental obligations are part of thecontract documentation.

Payment procedures for environmental activities of thecontractor follow an incentive approach.

Impacts from Large quantities of spoil will result from earthwork Spoil from sewage pipeline system will be reuse forearthworks and spoil excavation. backfill as much as possible, and then only 70,000m3 willproduction, handling be disposed in a landfill.and disposal About 399,000 m3 of excavation spoil is anticipated from

project, mainly from the sewage pipeline system. A detailed construction program, including phasing,proposal for transport route and descripton of proposeddisposal sites, will be required from the concernedcontractors prior to start the works.

Dust and sediment discharge to canals and rivers may Appropriate management of earthworks in accordance Most of technical measures described in theoccur from uncovered and unconsolidated materials during with the contractor environmental specificabons. This will Chinese regulation 'Temporary regulation onearthworks in dry season. include rules for piling, compacting and spraying spoil constructon and environmental management of

while waiting evacuation or reuse. Temporary storage of construction sites".Dust may affect resident population in the areas where earth piles will drain into sedimentation basin beforetrunks are laid down. discharge of run-off to the river.

SOGREAH -JCA- 13501 17.R3.1 - FINAL PAGE XII JANUARY 2005

(TABLE 5 CONTINUED)


Transport of material as earth fill, earth spoil, sand and Sewage pipelines will be done by segmentation in ordergravel to or from site may affect urban areas crossed by the to minimize spoil production dunng the construction.trucks if appropriate measures not implemented, resulting inserious impacts on road traffic, public safety, air quality and Washing staton for trucks leaving construction sites tonoise. limit mud transport in city roads, strict obligations

regarding size of trucks, of load, necessary load cover,routes and timing will be imposed to concernedcontractor.

Impacts on air quality Impacts concem mainly the components located in dense Monitoring of construction sites to focus primarily in urban Compliance monitoring to be performed byand noise urban areas. Fumes and exhaust gas from trucks and construction sites. Specifications regarding operation and Contractors, with random controls of an

heavy machinery on construction sites may affect air maintenance of construction equipment and transport of Independent Environmental Monitoring Unit (IEMU).quality, as well as dust from matenal transport by trucks and materials by truck.earthworks.

Noise from heavy machinery, particulariy along the sewage Enforcement of existing noise standards related to Compliance monitoring to be performed bypipelines and pump stations construction. machinery and working period. Contractors, with random controls of IEMU.

Forbidding the use of certain works durng nigh-time.

Temporary fence should be used around constructionsites.

Traffic congestion resulting from sewage pipelines and Public informabon and appropriate construction practices Use of local medias and poster campaigns to informpump stations construction may result in temporary higher and organization, with road signs and coordinabon with population on work schedule and location will helplevels of pollutants (TSP, NOx, CO). traffic Police will minimize impacts and ease traffic during reducing traffic disruption or congestion.

works.

Impacts on water Construction wastewater will be reuse as much as possible Strict contractor environmental specifications regarding Compliance monitoring to be performed byquality on site. And then residual construction wastewater and the handling, storage or disposal of hazardous products Contractors, with random controls of IEMU.

domestic sewage during constructon will be discharged into and of waste produced on the construction sites.the environment but in few quantty. Compliance monitoring of drainage water quality from

Pollution hazard may also result from heavy operating sites and enforcement of effluent standards. Managementmachinery, from storage of potential pollutants as petrol or measures at work site oriented towards prevention ofengine oils, from concrete production, from drainage of pollution or accidental spill.earth stock piles, from inappropriate disposal of usedengine oils and locally generated waste (workshops, labor Monitoring of river quality upstream and downstreamcamps). construction sites.

The risk applies to all construction sites, but is moresignificant in the pipelines construction when it crossover ariver.

Impacts on Temporarily occupied land will represent 1 ,262,900m2 for Risk to be controlled under the monitoring of constructionagriculture the sewage pipelines construction. The productivity should sites.

be recovered to previous level and the loss to agriculture isconsidered relatively minimal.

SOGREAH -JCA- 13501 17.R3.1 - FINAL PAGE XIII JANUARY 2005

(TABLE 5 CONTINUED)


Impacts on public If inappropriately managed, workforce may create relational Awareness training of all workers on environmental EMD/ESU assist in training workers onhealth problems with surrounding residents. issues. environmental basics and justification of mitigation

If inappropriately managed, labor camps may become the Strict obligations imposed to the contractor for the measures.site of epidemic burst out among workers and spread to organization and the management of labor force and Contractor requested to have recruitment medicalsurrounding population. Particular attention required for new camps. check for each worker, and medical visit once arisk as SARS. Contractor to prepare a CSEMP for approval. Monitoring year. Availability of medicine in case of epidemic

of labor camps and of worker health conditions by the will be requested at workers camps (dormitory orESU and Department of Public Health. canteens).

Impacts on on-site Occupational health and accident issues, resulting in Contractor to prepare a CSEMP for approval. In this plan, Monitoring of construction sites by ESU.public safety serious wounds or death of workers. contractor will dearly define the safety procedures in case

of accident on site, ensure that minimum first aidequipment is available on all sites and ensure availabilityand enforcement to wear PPE (personal protectiveequipment).

Trench shoring collapse leading to damage to adjoining Correctly designed and tested temporary works structuresproperty and endangering life of workforce. and operational procedures.

On site checks on frequent basis.

Access to deep open trenches with danger to public safety Open trenches to be kept to minimum and severelyfenced, especially after working hours. Security guardemployed to monitor safety issues.

Impacts on off-site Risk is higher for components located in densely populated Strict clauses imposed to the contractor for the Monitoring by EFIs.public safety areas. implementabon of acceptable standards for the safety of

Increased traffic of trucks on some road sections may residents surrounding construction sites: fencing,increase risk of traffic accident. information to concerned residents, access to roads andFor network component, increase risk of traffic accident buildings, procedure if road accident.because the alteration of the road traffic and risk for Detailed specifications on traffic regulation inside andresidents if excavation and works in the streets are not well outside the construction area to be prepared.isolated and protected from public area.

Impacts on cultural No impact is anticipated on construction sites. Possible Specific procedures if underground artifacts are identifiedheritage presence of archaeological or historcal artifacts under the during excavation works in coordination with ESU.

future excavations.

SOGREAH -JCA- 1350117. R3.1 - FINAL PAGE XIV JANUARY 2005

(TABLE 5 CONTINUED)

FIELD IPOSSIBLE IMPACTS PROPOSED MITIGATION MEASURES COMMENTS

2 - ISSUES ASSOCIATED WITH THE OPERATION STAGE - Cixi Wastewater Project

Impact on the quality Construction of CWP will improve the rivers water quality in No mitigation measure required.of life the city.

Impact on water The WWTP effluents after treatment should meet the Compliance monitoring of effluents should be performed Random controls of effluent quality should bequality Standard A of first level of WVVTP effluent standard, then be by operators. performed by an Independent Environmental

discharged into the canal network causing local decreasing Monitoring Unit (IEMU).of water quality. Monitoring of water quality in canals network by

IEMU.

Further modeling should be performed when thecanals network situation will be better known.

Impact on air quality Odorous pollutants will be produced in WWTP by the Regular monitoring to be carried out by WVVTP Monitoring to be carried out on a random basis byand odors biological treatment tank and sludge tank. The air companies. IEMU.

concentrations modelized at plant boundaries and sensitivepoints meet the standard requirement. The protective sanitary distance (500m for northern

WWTP and 300m for eastem WWTP) should berespected.

Impact of noise Main noise sources are sewage lift pumps, air compressors Enforcement of existing noise standards related to Monitoring to be carred out on a random basis byand sewage pumps with noise level 85-92dB(A). The two machinery and working period. IEMU.WWTP will not have substantal impacts on the surroundingacoustic environment.

With the noise insulation effect of pump station building,noise level at pumping station boundary can satisfy thecorresponding noise standard, particularly in town area(west 1#, central 1#, central 2# and east 1# pump stations).

Impact of sludge The sludge amount is 67,200m3/year and will be disposed In the long term, with the increasing quantity ofin landfill specially designed (with leachate treatment). sludge and the decreasing capaaty volume of

landfill, the city's sludge should be stored in acentralized way to facilitate further harmlesstreatment.

Impact on wetlands The treated effluents will be discharged into the canals Random controls of effluent quality should benetwork then into the sea through sea gates. The sea gates performed by IEMU.are quite far from important protected wetland. Monitoring of water quality in marine environment

by IEMU.

SOGREAH-JCA- 1350117. R3.1 -FINAL PAGE XV JANUARY 2005

NINGBO MUNICIPAL GOVERNMENT- THE WORLD BANK

NINGBO WATER ENVIRONMENT PROJECT, DESIGN REVIEW AND ADVISORY SERVICESENVIRONMENTAL ASSESSMENT REPORT - EXECUTIVE SUMMARY

FIGURE 1: LOCATION OF THE PROJECT COMPONENTS

/ s a&terv,1ler w

\ 4 1 PGE tFI Ll0. Z. 1.

*'([5 9 . ' r'.'1 s . '-- t*',

:~~~~~~ ftt4 o Si IeGO - %1>6' wl} 2; t t a. @ f4#gProject=!i; sotltv .

^' i @@t 7/i- e t.t a "' + t.e ... AI PL

SOGREAH -JCA -1350117.R3.1 FINAL PAGE XVI JANUIARu 2005

NINGBO MUNICPAL GOVERNMENT- THE WORLD BANKNINGBO WATER ENVIRONMENT PROJECT, DESIGN REVIEW AND ADVISORY SERVICES


FiGURE 2: NINGsO WATER SUPPLY PROJECT LOCATION

WI -

... ~~~~~~~~~~~~~~ -.--. .-

Jiakou reseirvoir Trnk mains .

otfftake-

Urban ring main.

Transmission tunnelMaojiaping WTW--

SOGREAH -JCA -1350117 R3 1 -FINAL PAGE XVI JANuARY 2005

NNeGBO MUNICIPAL GOVERNMENT- THE WoRLD BANKNINGBO WATER ENVIRONMENT PROJECT, DESIGN REVIEW AND ADVISORY SERVICES


FIGuRE 3: CIX WASTEWATER PROJECT LOCATION

q* ,i. * ewX4'J Northern WWTP

r ,4.II.t 5 St

, -)Central West 2H iCentr-l 2e 5#

Wer 11 Ws # -9 '

*W<Xs _; Ce~~~~~~~ntral 2# ^ s . t

WesternpipexiingWWTP Centa iastern pipelinp EasternWWTP+q5A r- ntra East 1# ;; ;

TV ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~~~~~~~E

o PUimp stations of this project r ) - Pipelines of this project r! v ... atS ........ i .

... .E 'a'w A.i *

SOGREMI-JCA-13501I7R3 1 -FIsst PASEXVIII Jeeeay2nl3

world bank document · 2016. 7. 17. · fasep grant (french government grant) to ningbo municipal...

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