VIET NAM NATIONAL UNIVERSITY HO CHI MINH CITY HO CHI MINH CITY UNIVERSITY OF TECHNOLOGY REPORT WATER SUPPLY AND SEWERAGE Team member No Name Student ID Sign 1 Đỗ Tấn Kiệt 1852490 2 Trần Vĩ Khang 18524[.]
VIET NAM NATIONAL UNIVERSITY HO CHI MINH CITY HO CHI MINH CITY UNIVERSITY OF TECHNOLOGY REPORT: WATER SUPPLY AND SEWERAGE Team member No Name Student ID Đỗ Tấn Kiệt 1852490 Trần Vĩ Khang 1852452 Mai Minh Triết 1952505 Dương Chí Huy 1952714 Ho Chi Minh City, December 2022 Sign CONTENTS CHAPTER 1: SPECIAL REPORT Session at 8:00 am, November 26, 2022 (DEPARTMENT OF ECONOMY & WATER RESOURCES MANAGEMENT) Some studies - Telemat model: Salinity affects agriculture: Assessment of raw water impacts on Saigon and Da Nang rivers: 4 Some upcoming projects: .4 a) Flood discharge of Dau Tieng Lake .4 b) The role of Dau Tieng Lake and Tri An hydropower reservoir: c) Binh Chanh - Hoc Mon salinity prevention irrigation system, hydraulic regime from Can Giuoc River and Vam Co Dong River 5 Challenges of the irrigation industry: .5 a Climate change .5 b Urban development: .5 Planning solution: Status of the drainage system: CHAPTER 2: CURRENT STATUS OF FLOOD CONTROL AND WASTEWATER TREATMENT IN HO CHI MINH CITY Legal basis Scope, object 2.1 Scope 2.2 Subjects Actual situation of the water drainage system in the city 3.1 Situation 3.2 Current status of wastewater treatment 3.3 Drainage management model: 3.3.1 Drainage system management: .9 3.3.2 Management of rivers and canals 13 3.4 Scale of drainage system 13 3.5 Drainage system planning 14 CHAPTER 3: NATIONAL AND INTERNATIONAL EXPERIENCE IN FLOOD CONTROL AND WASTE TREATMENT .14 Experience against flooding 14 1.1 International experience (UK) .14 1.2 Experience of Ho Chi Minh City 15 Management model of Ho Chi Minh City 16 2.1 Management model for the period from 2008 to 2019 16 2.2 Inadequacies in the organization and operation of the drainage industry (2008-2018) 17 2.3 Improving the apparatus, drainage management model from 2019 to present .18 Planning for drainage 21 Investment and development of drainage system 22 4.1 Piloting the regulating lake by Crosswave technology 22 4.2 Exam for improving sewer lines with SPR pipe lining technology: .24 Wastewater treatment technology 24 5.1 Overview of wastewater treatment technologies applied in the world 24 5.2 Urban wastewater treatment technology is applied in Ho Chi Minh City 25 5.3 Applied technology issues 25 Operation, maintenance and maintenance of Ho Chi Minh City's drainage system 27 CHAPTER 4: ORIENTATION PLANNING FOR FLOOD CONTROL AND WASTEWATER TREATMENT IN HO CHI MINH CITY IN THE PERIOD OF 2020-2045 .27 Period from 2020-2025 28 a) Specific targets: 28 b) Specific goals: 28 The period from 2026 - 2030 and a vision to 2045: .29 CHAPTER FLOODING MITIGATION STRATEGIES AND WASTE WATER TREATMENT FROM 2020 TO 2030 29 Situation forecast 29 Scope 29 2.1 From 2020 - 2025 29 2.2 From 2026 - 2030 30 Solution for the flooding mitigation .30 3.1 Improve planning quality, planning management efficiency; implementing regulations and solutions for linkage among localities in the Southern key economic region .30 3.2 Concentrating on implementation of construction solutions to serve to solve flooding problems 31 3.3 Review and supplement policies to attract investment resources; administrative procedure reform to speed up the implementation of projects and works to reduce flooding 35 3.4 Strengthening linkages and cooperation in science and technology, improving forecasting capacity for flood eradication and reduction 35 3.5 Promote the role of the Fatherland Front and socio-political organizations in propaganda and mobilization of the people 36 REFENRENCE 37 CHAPTER 1: SPECIAL REPORT Session at 8:00 am, November 26, 2022 (DEPARTMENT OF ECONOMY & WATER RESOURCES MANAGEMENT) Some studies - Telemat model: Salinity affects agriculture: Assessment of raw water impacts on Saigon and Da Nang rivers: ˗ ˗ Due to climate change Leakage and loss of water, optimize flow by pressure control Some upcoming projects: a) Flood discharge of Dau Tieng Lake ˗ Characteristics of the Saigon River affecting Dau Tieng Lake, flooding the area around Saigon ˗ Applying Hollow pillar dikes to cope with climate change and flooding due to rapid urban development ˗ Reduce the coefficient of runoff, make rain seep into the ground b) The role of Dau Tieng Lake and Tri An hydropower reservoir: Water reservoirs: ˗ Dau Tieng Lake is located at the upstream of the Saigon River, in Tay Ninh province ˗ Tri An Lake is located on the Dong Nai river system, in Dong Nai province The role of these two reservoirs for the agricultural development of the Southeast region: ˗ Dau Tieng Lake: + Is an irrigation lake built on the Saigon River, in the territory of Tay Ninh province, with an area of 270 km2, containing 1.5 billion m3 of water, the largest in our country today + Role: Ensuring irrigation water in the dry season for more than 170 thousand hectares of agricultural land in Tay Ninh province and Cu Chi district (Ho Chi Minh City), contributing to improving land use efficiency ˗ Tri An Lake: + Hydroelectric reservoir built on Dong Nai river (Dong Nai province), the main role is to supply water for Tri An hydropower plant + Contributing to the supply of water for agricultural production in Dong Nai province, regulating the water regime of the Dong Nai river, reducing flooding in the rainy season, salinization in the dry season in the downstream of the Dong Nai river, helping agricultural production is more favorable Water supply for agricultural production 12ha of land in Cu Chi, water supply of 450m3 for daily life Protect residential areas along the Saigon River Irrigation system to prevent high tides combined with rural traffic to prevent floods c) Binh Chanh - Hoc Mon salinity prevention irrigation system, hydraulic regime from Can Giuoc River and Vam Co Dong River ˗ Has a 9700ha saline-preventing sluice, invested in 1995 to control tides in the southern region for agricultural production ˗ Tide control center area is underway ˗ The southern area of Can Gio, which is directly adjacent to the sea, mainly invests in a 12km long anti-erosion welding mine embankment system, the area also has a number of irrigation systems mainly focusing on aquaculture and salt production Challenges of the irrigation industry: a ˗ ˗ ˗ ˗ b ˗ Climate change Water level in the Sai Gon River changes of tidal water level 1.77 at raft house Historical elevation rain factors that cause inundation for the city Statistics of rain over 100mm high frequency Total rainfall is constant but the tempo increase Urban development: The suburbs used to be agricultural fields ˗ ˗ ˗ Now they are leveling and renovating the surface for urban development Reducing the volume of water storage Changing the permeable surface, causing old flooding Planning solution: ˗ ˗ ˗ ˗ ˗ ˗ Planning for agricultural production has been implemented Regulations for flood control have been implemented 752 and 1547 to reduce flooding for the basin Continue to invest in improvement, repair and maintain usability Research on using new materials for construction solutions to reduce investment costs but still ensure the set goals (ecological embankment) Study tidal rain, model flood discharge for early prediction to have solutions Status of the drainage system: CHAPTER 2: CURRENT STATUS OF FLOOD CONTROL AND WASTEWATER TREATMENT IN HO CHI MINH CITY Legal basis Law on Environmental Protection No 55/2014/QH13 dated June 23, 2014; Law on Water Resources No 17/2012/QH13 dated June 21, 2012; Law on Planning No 21/2017/QH14 dated November 24, 2017; Law on Urban Planning No 30/2009/QH12 dated June 17, 2009; Construction Law No 50/2014/QH13 dated June 18, 2014; Law on Irrigation No 08/2017/QH14 dated June 19, 2017; Law No 35/2018/QH14 amending and supplementing a number of articles of 37 Laws related to planning; Resolution No 751/2019/UBTVQH14 dated August 16, 2019 of the National Assembly Standing Committee on the explanation of a number of articles of the Law on Planning; Decree No 80/2014/ND-CP dated August 6, 2014 of the Government on drainage and wastewater treatment; Decision No 752/QD-TTg dated June 19, 2001 of the Prime Minister approving the Master Plan of Ho Chi Minh City's drainage system up to 2020; Decision No 1547/QD-TTg dated October 28, 2008 of the Prime Minister approving the planning of irrigation against flooding in Ho Chi Minh City area Scope, object 2.1 Scope Scope of Sewerage and wastewater treatment activities in the city in the period of 2020 - 2030, with a vision to 2045, including activities on planning, design, construction investment, management and operation of the system Drainage 2.2 Subjects Domestic organizations, individuals and households; foreign organizations and individuals having activities related to water drainage and wastewater treatment in the city, drainage households in Ho Chi Minh city Actual situation of the water drainage system in the city 3.1 Situation a Flooding situation due to rain at the main trunk roads in the city: According to statistics and monitoring, at the beginning of 2008 in the city, 126 main roads were flooded due to rain; By 2016, there were still 40 main roads in the city that were flooded due to rain In the period of 2020 - 2025, the city will continue to implement solutions to solve the remaining 15 flooded points (including Tan Quy, Le Duc Tho, Phan Anh, Bach Dang, Ho Hoc Lam, and National Highway 13 (on the list) roads flooded by rain) and routes Ba Van, Truong Cong Dinh, Bau Cat, Dang Thi Ranh, Duong Van Cam, Nguyen Huu Canh, Thao Dien, Quang Trung, Kha Van Can (on the list of flooded roads) water has been temporarily treated with urgent solutions) and 03 points of flooding arise including (Nguyen Van Block (old Cay Tram), Quoc Huong, Nguyen Van Huong) b Flooding due to tides at the main arterial roads above City area: According to statistics and monitoring, at the beginning of 2008 in the city, 95 main roads were flooded due to tides; By 2016, there were still 09 main roads in the city that were flooded due to tides It is estimated that by the end of 2020, the city will be able to solve 09/09 roads (in 2020, the city will focus on completing the project of Solving tidal flooding with consideration of climate change factors (phase of this project) ) and the project on the left bank of the Saigon River (the remaining section from Cau Ngang canal to Thu Thiem urban area) to solve the remaining 05 flooded points (including Huynh Tan Phat, Le Van Luong, Tran Xuan Soan, Highway 50, Nguyen Van Huong) 3.2 Current status of wastewater treatment - Binh Hung wastewater treatment plant (phase 1), sewer line and Dong Dieu pumping station, put into operation in 2009, with a capacity of 141,000 m3/day, currently operating stably - Binh Hung Hoa wastewater treatment plant, with a capacity of 30,000 m3/day, is currently operating stably - Tham Luong - Ben Cat wastewater treatment plant (phase 1) has been put into operation since June 2018, with a capacity of 131,000 m3/day, only about 15% of the designed capacity has been exploited with pumps and transfer pipes temporary water to bring wastewater to the factory - Tan Quy Dong wastewater treatment station, put into operation in 2000, capacity 500 m/day, stable operation - Wastewater treatment station of Vinh Loc B resettlement area, Binh Chanh district, which has completed construction and installation of equipment since 2011, with a capacity of 3,700 m/day sewer system (the average volume of wastewater to the station is 165 m3/day, only reaching 4.46% of the designed capacity) - Wastewater treatment station 17.3 Resettlement area, Binh Khanh ward, District 2, has been put into operation since December 2018 (including the toll gate system) with a capacity of 3,000 m3/day, so far the average volume of wastewater to the station is 1,382 m3/day, reaching only 46.1% of the designed capacity - Waste water treatment station 38.4 Resettlement Area, Binh Khanh Ward, District 2, put into operation from February 2018 (including sewer system) with a capacity of 7,000 m3/day Up to now, the wastewater flow to the station is about 150 m3/day, only reaching about 2.14% of the design capacity The total amount of treated wastewater is 316 200/3,076,000 m3/day (According to Decision No 1942/QD-TTg dated October 29, 2014 of the Prime Minister on Planning on drainage and water treatment system waste from residential areas and industrial zones in the Dong Nai river basin by 2030), reaching the rate of 10.28 Currently, it is continuing to invest in completing a number of wastewater collection and treatment works, including the collection system of Tham Luong Ben Cat wastewater treatment plant; Binh Hung wastewater treatment plant - phase with a capacity of 469,000 m2; Nhieu Loc - Thi Nghe wastewater treatment plant has a capacity of 480,000 m3/day After completing Tham Luong Ben Cat wastewater treatment plant (capacity 131,000 m3/day 3.3 Drainage management model: 3.3.1 Drainage system management: The management of water drainage in the city shall comply with the provisions of Decree No 80/2014/ND-CP dated August 6, 2014 of the Government on drainage and wastewater treatment activities on planning, design, construction investment, management and operation of the drainage system The current model of drainage management in the city is approved by the Ho Chi Minh City Party Committee at Conclusion No 386-KL/TU dated October 2, 2018 and promulgated by the City People's Committee "Rearrange the project management boards of the city, the district - the district, the investment management board of urban areas, the investment management board of ODA projects" in Decision No 4719/QD-UB dated 23 October 2018, including the following contents: “- Adjusting to remove the tasks under the state management function of the City Anti -flood Program Operation Center (actually, the City Flood Control Program Operation Center cannot be performed); Adjusting the state management function of the Department of Transport to the Department of Construction according to regulations, including: urban water supply and drainage; urban lighting market; parks, urban greenery, Assign the Department of Construction to arrange units to perform the function on behalf of the City People's Committee as the owner, organize the management and operation of the entire drainage system, control tides and wastewater treatment plants in the area city table on the basis of changing the status quo from the Operation Center of the anti-flood program city water ; - Establishment of urban infrastructure construction investment project management board on the basis of separating the project management function of the City Flood Control Program Operation Center and merging with the Environmental Sanitation Project Management Board; - Assign the Department of Construction to manage the Urban Infrastructure Construction Investment Project Management Board as authorized by the City People's Committee" 3.3.1.1 Regarding the assignment of drainage tasks according to the management model drainage in the current city area a) Role of the Department of Construction - According to the Government's regulations: According to the provisions of Clause 8, Article of Decree No 24/2014/ND-CP dated April 4, 2014 of the Government regulating the organization of specialized agencies under the People's Committees of provinces and centrally run cities, The Department of Construction has the following functions: “Advise and assist the Provincial People's Committee in the state management of: Construction planning and architecture; construction investment activities; Urban Development; urban technical infrastructure and industrial parks, economic zones, high-tech parks (including: urban water supply and drainage and industrial parks, economic zones, high-tech parks; solid waste management through usually in urban areas, industrial parks, economic zones, high-tech zones, construction material production facilities; urban lighting; urban parks and trees; management of cemeteries and martyrs' cemeteries; urban transport infrastructure, excluding the management of exploitation, use and maintenance of urban transport infrastructure; management of urban underground construction; management of common use of infrastructure urban engineering); House; office; real estate market; building materials For Hanoi and Ho Chi Minh City, the advisory function on construction planning and architecture is performed by the Department of Planning and Architecture.” 10 ... task of advising the Department of Construction in the operation of all types of construction machinery and drainage and treatment of Thai water in the city and the management and operation of. .. Assessment of raw water impacts on Saigon and Da Nang rivers: 4 Some upcoming projects: .4 a) Flood discharge of Dau Tieng Lake .4 b) The role of Dau Tieng... management and administration of the Department of Construction 3.3.1.2 About decentralization of management and operation of the drainage system The decentralization of management and operation of an