[8], The ships are equipped with gantry cranes capable of lifting sludge from the lorries directly into containers on board, and can lift 10 containers per hour. Pipes and Fittings for Surface Water Drainage : C1.1.1 . About Drain Cleaning in Hong Kong. In 2020, improper modification of the drainage system can still be found in some building units. and disposal of sewage from the majority of Hong Kong's 6 million inhabitants. Therefore, a properly designed, installed and maintained one-pipe drainage system is commonly considered adequate for buildings in Hong Kong. As underground pipes are always in touch with the earth around them, they are especially designed to be durable and robust with the strength to withstand . [9], Committee for Safeguarding National Security of the HKSAR, Joint Secretariat for the Advisory Bodies on Civil Service and Judicial Salaries and Conditions of Service, Constitutional and Mainland Affairs Bureau, Agriculture, Fisheries and Conservation Department, Food and Environmental Hygiene Department, Civil Engineering and Development Department, Electrical and Mechanical Services Department, Financial Services and the Treasury Bureau, Innovation, Technology and Industry Bureau, Office of the Government Chief Information Officer, List of Members of the Legislative Council, Office of the Government of the HKSAR in Beijing, Mainland and Hong Kong Closer Economic Partnership Arrangement, Hong Kong Economic, Trade and Cultural Office, Hong KongTaiwan Economic and Cultural Co-operation and Promotion Council, "Estimates for the year ending 31 March 2023", "Hong Kong West Drainage Tunnel commissioned", "Lai Chi Kok Drainage Tunnel commissioned", "Maiden voyage of DSD's sludge vessel Clean Harbour 1", Economic Analysis and Business Facilitation Unit, Independent Commission Against Corruption, Policy Innovation and Co-ordination Office, Sales of First-hand Residential Properties Authority, https://en.wikipedia.org/w/index.php?title=Drainage_Services_Department&oldid=1088792394, Hong Kong government departments and agencies, All Wikipedia articles written in Hong Kong English, Articles containing Chinese-language text, Creative Commons Attribution-ShareAlike License 3.0, Working Family and Student Financial Assistance Agency, Hong Kong Economic and Trade Offices (Overseas), Maritime Mobile Service Identification Number: 477 995 437, Maritime Mobile Service Identification Number: 477 995 441, This page was last edited on 20 May 2022, at 04:32. EPAMS The above charge is subject to revision from time to time. The water in the waste stack can be subsequentlycollected, treated, and reused. Call (704) 412-3956 or contact us online! These drainage records are to be updated continuously according to the as-built drawings of drainage infrastructures. Construction of the $1.5 billion tunnel commenced in 2007. obscureserenity 28DL Regular User. Any blockage of a long gradient branch pipe connecting a vertical soiled pipe due to improper flushing can be monitored if the water levels between the upstream and downstream sections can be compared. Incheon Airport, the primary airport of Seoul, South Korea, continues to rely on the excellent Geberit Pluvia roof drainage system [] Falling objects may be a cause of the damage. . By continuing to use our website, you agree to our use of such cookies. 4. The improvement works for the common drainage systems of buildings conducted according to the practice notes issued by the Buildings Department between April 2021 to May 2021. rainfall of 2,400mm p.a. Each ship can carry 90 containers of sludge, a total of 1,200 tons of sludge. Construction commenced in November 2008 and the tunnel was commissioned on 18 October 2012. Please note that drainage information is now available in the GeoInfo Map services of the Lands Department (https://www.map.gov.hk/gm/?lg=en). Hong Kong receives about 2,400 millimeters it per year, according to the Drainage Services Department (DSD). "Discovery State of the Art Drainage Services" This Sustainability Report summarises our achievements in the past year and enables our stakeholders to have a better understanding of our vision to enhance environment, social and governance aspects and commitment to sustainable development. researchers from the university of hong kong's engineering faculty warn the city is falling behind developed nations and are pushing government departments to implement sustainable stormwater. View 6-2 Drainage Systems(1).pdf from BST 22611 at City University of Hong Kong. Drainage Maintenance Booklet (Chinese only) - The Hong Kong Institute of Surveyors To arouse public awareness towards the maintenance of drainage system, The Hong Kong Institute of Surveyors published the "Drainage Maintenance Booklet", introducing common types of drainage system and its functions, also the maintenance measures. Construction commenced in November 2007 and the tunnel was commissioned on 22 August 2012. Hong Kong West Drainage Tunnel AECOM provided for Hong Kong a comprehensive urban flood control master plan study, and engineered some of the most critical component of that blueprint, including the Hong Kong West Drainage Tunnel in response to the increased community expectations for high flood protection standards. These drainage records are to be updated continuously according to the as-built drawings of drainage infrastructures. Irregular air pressure in plastic drainage pipes can cause them to be broken with mini-gaps or deformation, causing leakage of foul air into the environment. This is also called black water. Integrita Drainage System Limited (CR No: 1768344) was incorporated on 04-JUL-2012 in Hong Kong. It will also generate an estimated average annual additional fresh water yield of about 3.4 million cubic metres (about 1360 nos. The water harvesting system The advanced quality of medical care coupled with very affordable rates are both major reasons behind why the public system is so attractive to the majority of Hong Kong Identity Card (HKIC) holders. the odour management of the proposed relocated STSTW in caverns, with caverns as natural barrier, can be efficiently enhanced This Photobook is both a tribute we pay to this special occasion, as well as a testimony to the DSDs achievements since the establishment of the HKSAR in 1997. References; Feeds and Subscription; Important Notices The largest of these is the Hong Kong West Drainage Tunnel, comprising an 11-kilometre long main tunnel and 8km of adits. Hong Kong's leader on Wednesday unveiled a new visa scheme to woo global talent, as the city seeks to stem a brain drain that has risked its status as an international financial center. It has since then developed into and was declared by World Health Organisation in March 2020 as a global pandemic, named as COVID-19. The private developers, their Authorised Persons and consultants may want to obtain the existing drainage information associated with their proposed development. THE GOVERNMENT OF THE HONG KONG SPECIAL ADMINISTRATIVE REGION . Originally called the Strategic Sewage Disposal Scheme, the plan was drawn up in 1989 and construction of HATS Stage 1 commenced in 1994. This paper reviews and updates consideration of the design of building sewerage systems, aiming to introduce the newest developments and address the above suggestion. [7], The department operates two sludge transport vessels, called Clean Harbour 1 and Clean Harbour 2. The mode of its transmission is mainly from human to human, through respiratory droplets and physical contact. Construction commenced in November 2007 and the tunnel was commissioned on 22 August 2012. 1; 2; 3; First Prev 3 of 3 Go to page. China Daily (Hong Kong) City plans underground drainage system 2013-11-01 - By ZHENG CAIXIONG in Guangzhou zhengcaixiong@ chinadaily.com.cn Guangzhou is seeking advice from specialists, both at home and from abroad, to help build a tunnel network to improve the city's rainwater drainage system. . This is currently installed in new public housing estates and its use can be expanded to other housing developments. Environmental protection was one of the main concerns of former governor David Wilson. HK frequently experiences tropical cyclones with an avg. End Suction Centrifugal Pumps e-NSC. [6], The Tsuen Wan Drainage Tunnel protects the Tsuen Wan New Town and Kwai Chung areas. All three sizes are available with or without solidifier, providing a hygienic and cost-effective option for disposing of patient fluid disposal. Contents Design practices Sanitary drainage Stormwater drainage. With total separation of soil from waste discharge water, wastewater or grey water can be collected, treated and reused for non-potable purposes. Engineer (Drainage System Planning) Drainage Services Department Sep 2022 - Present 2 months. The works was commenced in 2018 for completion in 2024. Stormwater will pass through a drainage system of horizontal shafts, 32 dropshafts up to 195m deep, an eastern inlet portal structure and over 30 other . If you are reading this article, chances are good you have received that notice. Amazing photos, you've captured it really well. Senior/Client Development Manager (High Jewelry/High Comm.) ARCHITECTURAL SERVICES DEPARTMENT . [5] This is a great opportunity for senior commercial leader to join the team. Go. Introduction UNDERGROUND DRAINAGE SYSTEM (UDS) Underground drainage systems have pipes buried in the ground to transport waste water and rainwater from buildings to municipal sewers or septic tanks or underground rainwater harvesting tanks. Examples and signs of drainage defects Building owners should regularly inspect and maintain the drainage systems of their buildings in a safe and sound condition in order to help create a safe and healthy living environment. In the long run, the smart drainage system offers a creative and intelligent solution to city's drainage management and promotes smart city development in Hong Kong with minimal installation costs and software requirements. Hydrostatic & Ultrasonic Level Transmitters LTU601. Choose Hyatt Landscaping to solve your improper draining problem in Charlotte. In Hong Kong, a cluster of cases was linked to the drainage system in one apartment block. More Fragrant Again Letters to Victoria Harbour Available in 300ml, 800ml and 2-litre capacities to optimise drainage procedure and reduce the amount of biohazardous waste. The plan will encourage property owners and estate management offices to maintain good functionality of their building sewerage systems from time to time. Search Drainage engineer jobs in Hong Kong with company ratings & salaries. It comprises a system of deep tunnels to convey sewage from eight Preliminary Treatment Works to the Stonecutters Island Sewage Treatment Works, which opened in 1997. The following simplified explanation is intended to help illustrate the problem: When toilets in high-rise buildings are flushed, fecal matter and wastewater are discharged into a vertical wastewater pipe, called a "drainage stack." As the wastewater descends in the stack, it creates pressure changes within the pipe. (AP Photo . A Hong Kong listed company is establishing a new business unit in energy storage system! A siphonic roof drainage system is also one of the most effective technologies offered for capturing rainwater from a building roof top to aid in implementing rainwater harvesting. For example, the cost of availing general out-patient services starts at just HKD $50; and public accident and emergency fees are only HKD $180 . The damaged area was caused by falling objects. Hong Kong College of Engineering Code: B3C30 Task 1 Discussing the below ground drainage systems are used to dispose of foul water from buildings (P1) Calculations to determine quantity, velocity and depth of flow, pipe size and gradient of below ground drainage from given data (M1) Sample content of a bearer letter is given below: We should be grateful if you would allow the bearer of this letter, XXXXXX, to inspect the relevant drainage record plans in the vicinity of the captioned development. Source: Water Supplies Department, 2017. The three divisions, namely Hong Kong & Islands, Mainland South and Mainland North, of the Operation and Maintenance Branch maintain the record of existing public sewerage and stormwater drainage systems in the Territory. This is deemed acceptable only if adequate pipe duct spacing and access are provided for maintenance work. Xut hin cc vt nt c phi l vn to ln khng? To cope with the objective of the revitalization, the project will also beautify the adjacent pedestrian walkways, enhance the connectivity with the pedestrian network and add diversity to the Kwun Tong District. Victoria Harbour is a precious natural asset and an integral part of Hong Kongs identity. Past Chai Wan Kok, it parallels the Tuen Mun Highway a short distance and then empties into the Rambler Channel. The department is responsible for stormwater drainage, sewage collection and treatment, and flood prevention. The Harbour Area Treatment Scheme (HATS) is a major sewage treatment infrastructure improvement scheme designed to improve the water quality of Victoria Harbour. This year celebrates the 25th anniversary of the establishment of the HKSAR. Photo 3 shows a broken uPVC elbow on the external wall of a building. An effective two-pipe system would be to separate the waste stack completely from the underground sewage pipe, thus avoiding any possible contamination of the waste stack. Improper modification of the drainage system. It stretches from Tai Hang in the east to an outfall just north of Cyberport. Thread starter drhowser; Start date Mar 31, 2019; Prev. Repair work should be done swiftly on the faulty pipework to stop leakage of effluents and foul air into the surrounding environment. As of today, plastic piping material may lead to more fragile pipes that need more regular maintenance. Training can be provided for participants such as licensed plumbers, registered professional engineer (RPE) and registered professional surveyor (RPS). The quality of plastic drainage pipes and the fitting and solvent cement are seldom checked and verified, and this can be a loophole that might be exploited. Audit check on Minor Works Functions of traps and anti-syphonage pipes/anti-syphonage air valves Pay attention to floor drains Kim tra ng ng thot nc ca qu v ngay, Nhng iu qu v cn bit v bo dng ng ng thot nc, The contractors registered under the Buildings Ordinance, Cost Information for Re-provision of Anti-syphonage Pipe at external wall for Water Closet, Building Drainage System Repair Subsidy Scheme (DRS), BD reminds public on requirements for alteration of drainage systems and their proper maintenance, Qualified Supervision for Precast Concrete Construction, Modular Integrated Construction and Heat Soak Process of Tempered Glass, Special work arrangement of New Buildings Divisions of Buildings Department in 2020, List of Buildings with outstanding Section 28 Drainage Repair/ Investigation Orders, Summary of Gross Floor Area Concessions in private developments, Buildings Ordinance - Schedule 5: Scheduled Areas, Modifications or Exemptions granted for Transitional Housing Initiatives. In 2020, the one-pipe system is still common in Hong Kong. The principle of the system is that when sufficient effluent has entered the valve chamber it 'triggers' an Iseki Redivac interface valve which introduces vacuum to the chamber drawing the effluent into the sewer pipe at velocities of around 6 meters/second. 44 of the Director of Audit contains 8 Chapters which are . It was commissioned on 28 March 2013. The information contained herein has been collected as part of our efforts to provide comprehensive and up-to-date slope information in the planning and implementation of the government . C1.1 . The project comprises the transformation of the existing 1km long nullah alongside King Yip Street, King Yip Lane and Tsui Ping Road into Tsui Ping River with hydraulic capacity, environmental, ecological and landscaping upgrading. Photo 1 shows a typical floor drain cover used for cast-in floor drain. In order to avoid foul smell and insects in the soil stack from entering the bathroom, the U-trap of a bathroom floor drain should always be filled with water. Many local designers do not regard the adoption of separate stacks for soil . This book hopes to shed light on these hidden labyrinths that are keeping Hong Kong safe. The Hong Kong Observatory said the hourly rainfall exceeded 100 millimetres, far above the threshold of 70 millimetres for the black warning. Subsidy Amount Yet once, not long ago, our treasured harbour was polluted. The smart drainage system is one of the possible research directions. Is it time to call the drain repair . With PV applications gradually diversifying, demands on module performance have intensified. Last but not the least, any improper modification of thebuilding drainage system should be prohibited by law as it would potentially affect the health and well-being of residents. The consultant review results of ecological surveys and ecological and fisheries baseline conditions, conduct ecological and fisheries assessment, and recommend mitigation measures. A prototype IoT system is decided with hardware and software. In a multi-storey building, the drainage system includes branch pipes for transferring waste and soiled water from the sanitary fitments in each floor to the vertical main stack. These ships transport sludge from the Stonecutters Island Sewage Treatment Works to the sludge treatment facility in Tuen Mun. The spatial constraints with a two-pipe system can be resolved with good planning, and it is understood that this system is used in new public housing estates and in major public facilities such as Hong Kong International Airport. 3 Drainage Solutions: High Level Water Drainage System, Directly drain into it's tank or Continuously allow low water level of drainage (Without pump action) Main Feature 5: Max. As mandated by the City of Vancouver, sewer separation work is the responsibility of each home owner. A proper system of inspection and monitoring coupled with wider public awareness are key to success in drainage projects. Regarding the Internet of Things (IoT) development and successful example of IoT application, Hong Kong has the potential to become a smart city. The remaining construction works will be implemented in stages. Construction of HATS Stage 2 commenced in 2008, and stage 2A was commissioned in 2015. While a one-pipe system is commonly used in Hong Kong, it was acknowledged in 2003 that a two-pipe system could minimise the risk of cross-contamination. Government of the Hong Kong Special Administrative Region. Water treatment [ edit] The supply is fully treated by chemical coagulation, sedimentation (at most treatment works), filtration, pH value correction, chlorination and fluoridation. In late 2019, a novel and highly contagious and infectious coronavirus (SARS-CoV-2) was discovered. A two-pipe system also requires doubling the number of vertical stacks, and this imposes significant costs and spatial constraints on the re-entrant and light well space. Consultant engineers for the project, responsible for planning and design is Ove Arup & Partners Hong Kong Ltd. Heavyweight lifting A Liebherr 550 EC-H 20 tower crane is providing a key support role on the Hong Kong's West Drainage Tunnel (HKWDT) scheme unloading pre-fabricated concrete ring segments, each weighing between 1.92 to 6.55 tonne. The works includes provision of temporary sewage treatment facilities to maintain sewage treatment services during reconstruction of existing STKSTW, construction of a longer and larger submarine outfall to provide sufficient capacity for discharging the increased treated effluent, and laying of sewers in Sha Tau Kok Town and Tong To. Engineer (Climate Change) Drainage Services Department . Cast Iron Rainwater Pipes, Gutters and Fittings : C1.1.2 . And about 80% of that water falls in just a few months. Ecosystems Ltd. participated in the ecological assessment of impacts of the preferred treatment and disposal system. The three divisions, namely Hong Kong & Islands, Mainland South and Mainland North, of the Operation and Maintenance Branch maintain the record of existing public sewerage and stormwater drainage systems in the Territory. A team of students from the Hong Kong Institute of Vocational Education designed a device to refill U-traps, fighting the spread of Covid-19. Normally a minimum of 75 mm dia. Project included a centralised treatment plant in Victoria Harbour and a long sea outfall. Faulty pipework such as leaky joints and broken pipes due to a lack of inspection and maintenance (Photo 3) has been a long-standing and complicated problem. Hong Kong. Discovery State of the Art Drainage Services. The vessels were built by Jinhui Shipbuilding of Zhongshan and commissioned in 2015. Although unplasticised polyvinyl chloride (uPVC) is relatively inexpensive and easy to install, it cannot withstand impact from heavy falling objects. The total construction period of the project is estimated to be about 13 years. A better solution may be to switch to a two-pipe system which separates soiled water from waste water, as the surface water is now discharged from the floor drain into the waste stack, not to the soil stack which serves only the soiled water from water closets. of the existing STSTW site and its surroundings will be greatly improved. The Hong Kong CIPHE team has produced this guide to outline the potential defects or failures in existing systems, and some of the solutions. Regarding the Internet of Things (IoT) development and successful example of IoT application, Hong Kong has the potential to become a smart city. 604-873-3753. A common drainage problem in Hong Kong is that the U-traps and vent pipes in some building units are removed by residents during alteration and renovation of bathrooms (Photo 2). Save Job. Registration of minor works contractors (RWMCs) is effective in controlling the quality of drainage construction. Drain outlets or the drainage system - U-traps . The full Stage I system, which treats 75% of the sewage generated by the urban areas around the harbour, came online in December 2001. Drafting and Making Legislation in Hong Kong. The Drainage Services Department (DSD) has been implementing a sustainable drainage system with an aim to build flood resilience and improve the livability of Hong Kong to face the challenge arising from climate change. Other cities use treated wastewater for sewage, or desalinated seawater, but Hong Kong is the only large city in the world that has built a whole sewage system around the use of minimally treated water drawn from the sea that surrounds it. 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