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李兆龍先生 21 April 2010 山野遊玩體魄好山野遊玩體魄好 水務設施趣味濃水務設施趣味濃 總工程師/工程管理 – 關錫堯 先生 工程師/水塘安全 – 李兆龍 先生 21 April 2010 AA BriefBrief OutlineOutline ofof thethe TalkTalk 1. Water Cycle 2. Typical Waterworks Installations 3. Impounding Reservoirs in Country Parks 4. Historic Waterworks Structures 5. Part of WSD’sJobs 6. Don’t… 1.1. WaterWater CycleCycle 雨水由集水區匯流至水塘 廣東供應 的原水 水塘 濾水廠 配水庫 污水處理 用戶 2.2. TypicalTypical WaterworksWaterworks InstallationsInstallations WaterworksWaterworks InstallationsInstallations inin HongHong KongKong CatchwaterCatchwater (~120(~120 km)km) WaterworksWaterworks InstallationsInstallations inin HongHong KongKong Catchwater – Dry weather flow channel WaterworksWaterworks InstallationsInstallations inin HongHong KongKong Catchwater - Intake structure WaterworksWaterworks InstallationsInstallations inin HongHong KongKong Catchwater - Intake structure WaterworksWaterworks InstallationsInstallations inin HongHong KongKong Catchwater – Overflow diversion pipes WaterworksWaterworks InstallationsInstallations inin HongHong KongKong Catchwater – Sand-trap and overflow WaterworksWaterworks InstallationsInstallations inin HongHong KongKong Catchwater – Radial gates WaterworksWaterworks InstallationsInstallations inin HongHong KongKong Catchwater – Tunnel section WaterworksWaterworks InstallationsInstallations inin HongHong KongKong Catchwater – Outlet to reservoir WaterworksWaterworks InstallationsInstallations inin HongHong KongKong ImpoundingImpounding reservoirsreservoirs (17(17 nos.)nos.) WaterworksWaterworks InstallationsInstallations inin HongHong KongKong WaterWater treatmenttreatment worksworks (21(21 nos.)nos.) WaterworksWaterworks InstallationsInstallations inin HongHong KongKong PumpingPumping stations/housesstations/houses (185(185 nos.)nos.) WaterworksWaterworks InstallationsInstallations inin HongHong KongKong LowlandLowland pumpingpumping stationsstations WaterworksWaterworks InstallationsInstallations inin HongHong KongKong ServiceService reservoirsreservoirs (212(212 nos.)nos.) WaterworksWaterworks InstallationsInstallations inin HongHong KongKong Fei Ngo Shan Fresh Water Service reservoir WaterworksWaterworks InstallationsInstallations inin HongHong KongKong WSD slopes adjacent to waterworks installations WaterworksWaterworks InstallationsInstallations inin HongHong KongKong Waterworks access road WaterworksWaterworks InstallationsInstallations inin HongHong KongKong Water Mains: Fresh Water (>6,200 km) Salt Water (>1,600 km) WaterworksWaterworks InstallationsInstallations inin HongHong KongKong 3.3. ImpoundingImpounding ReservoirsReservoirs inin CountryCountry ParksParks 本地收集的雨水本地收集的雨水︰︰ 20%20% -- 30%30% 輸入的東江水輸入的東江水︰︰ 70%70% -- 80%80% ReservoirsReservoirs inin CountryCountry ParksParks –– ExamplesExamples •• Aberdeen Reservoirs (Aberdeen Country Park) •• High Island Reservoir (Sai Kung Country Park) •• Kowloon Reservoir Group (Kam Shan Country Park) •• Plover Cove Reservoir (Pat Sin Leng and Plover Cove Country Park) •• Pokfulam Reservoir (Pokfulam Country Park) •• Shek Pik Reservoir (Lantau Country Park) •• Shing Mun Reservoir (Shing Mun Country Park) •• Tai Lam Chung Reservoir (Tai Lam Country Park) •• Tai Tam Reservoir Group (Tai Tam Country Park) SaiSai KungKung CountryCountry ParkPark -- HighHigh IslandIsland ReservoirReservoir SaiSai KungKung CountryCountry ParkPark -- HighHigh IslandIsland ReservoirReservoir Draw-off tower & access bridge A V-notch plate downstream of the West Col Dam (Instrumentation for measuring seepage through the dam) SaiSai KungKung CountryCountry ParkPark -- HighHigh IslandIsland ReservoirReservoir Bell-mouth overflow with siphons SaiSai KungKung CountryCountry ParkPark -- HighHigh IslandIsland ReservoirReservoir East Dam (An embankment dam built in the sea) Concrete dolos protect the sea cofferdam against sea waves SaiSai KungKung CountryCountry ParkPark -- HighHigh IslandIsland ReservoirReservoir West Col Dam - Upstream West Col Dam - Downstream SaiSai KungKung CountryCountry ParkPark -- HighHigh IslandIsland ReservoirReservoir Various Geological features SaiSai KungKung CountryCountry ParkPark -- HighHigh IslandIsland ReservoirReservoir Do you know what are they doing ? TaiTai TamTam CountryCountry ParkPark –– TaiTai TamTam ReservoirReservoir GroupGroup TaiTai TamTam CountryCountry ParkPark –– TaiTai TamTam ReservoirReservoir GroupGroup Tai Tam Tuk Reservoir Tai Tam Tuk Raw Water (1912 – 1917) Pumping Station (1907) TaiTai TamTam CountryCountry ParkPark –– TaiTai TamTam ReservoirReservoir GroupGroup Video - Tai Tam Tuk Raw Water Pumping Station (1907) TaiTai TamTam CountryCountry ParkPark –– TaiTai TamTam ReservoirReservoir GroupGroup Tai Tam Tuk Reservoir (Masonry Bridges) TaiTai TamTam CountryCountry ParkPark –– TaiTai TamTam ReservoirReservoir GroupGroup Tai Tam Intermediate Reservoir (1904 – 1907) Spillway Dam Valve House TaiTai TamTam CountryCountry ParkPark –– TaiTai TamTam ReservoirReservoir GroupGroup Tai Tam Byewash Reservoir (1904) Tai Tam Upper Reservoir (Recorder House) ShingShing MunMun CountryCountry ParkPark –– ShingShing MunMun ReservoirReservoir ShingShing MunMun CountryCountry ParkPark –– ShingShing MunMun ReservoirReservoir LowerLower ShingShing MunMun ReservoirReservoir RecreationalRecreational facilitiesfacilities aroundaround thethe reservoirsreservoirs 4.4. HistoricHistoric WaterworksWaterworks StructuresStructures HistoricHistoric WaterworksWaterworks StructuresStructures •• Declaration of 41 historic waterworks structures as statutory monuments on 18.9.2009 •• Play an integral part in the development of Hong Kong over the past one-and-a-half centuries. •• Include dams and tunnel inlets, long aqueducts and sturdy stone bridges, watchman’s houses and staff quarters •• Heritage Trail •• Renewed emphasis on conservation, preservation and revitalisation •• Pokfulam Reservoir, Tai Tam Reservoir Group, Wong Nai Chung Reservoir, Kowloon reservoir Group, Shing Mun Reservoir, Aberdeen Reservoirs. HistoricHistoric WaterworksWaterworks StructuresStructures 5.5. PartPart ofof WSDWSD’’ss JobsJobs CollectionCollection ofof WaterWater SamplesSamples MeasurementMeasurement ofof VV--notchnotch platesplates andand PiezometersPiezometers MonitoringMonitoring ofof DamDam MovementMovement RemedialRemedial WorksWorks toto DamsDams –– PloverPlover CoveCove ReservoirReservoir Upgrading of rip-rap for the Main Dam in 2006-08, which required the delivery of a derrick barge into the reservoir for placement of rip-rap. RemedialRemedial WorksWorks toto DamsDams –– HighHigh IslandIsland ReservoirReservoir West Col Dam - Investigation works were undertaken to locate the leakage zone, followed by remedial drilling and grouting works 6.6. DonDon’’tt…… DonDon’’tt…… DonDon’’tt…… DonDon’’tt…… FurtherFurther information/enquiries:information/enquiries: 總工程師/工程管理 – 關錫堯 先生 [email protected] 工程師/水塘安全 – 李兆龍 先生 [email protected] WSD Website Address: http://www.wsd.gov.hk/ Customer Telephone Enquiry Centre: 2824 5000 ThankThank YouYou.
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