Major Achievements in Water Supply and Drainage Projects
| Project Name | Construction Content and Scale | Work start and end time | Note | |
| Hengyang Songmu Economic Development Zone Zhangmu New Area Drainage and Flood Control Regulation and Storage Pond Project | Newly constructed stormwater detention and storage pond | 2026 | ||
| Design of the Industrial Wastewater Treatment Plant Construction Project in the Shuangliu Area of Kaiyang County Industrial Park | A new industrial wastewater treatment plant with a processing capacity of 60,000 m³/day has been constructed. | 2026 | ||
| Hengyang Songmu Economic Development Zone Zhangmu New Area Water Supply Project | The new water treatment plant will have an initial design capacity of 10,000 m³/day and a future capacity of 20,000 m³/day. It will occupy approximately 30 mu of land and include a supporting intake pumping station, with about 5 km of raw water transmission pipelines and roughly 20 km of distribution network. The estimated total project cost is currently RMB 59.1855 million. | 2025 | ||
| Preliminary Design for the Construction of the Lanyue Valley Wastewater Treatment Plant and Associated Supporting Facilities in the Ningxiang Economic Development Zone | A new industrial wastewater treatment plant with a capacity of 5,000 m³/day (total design capacity: 10,000 m³/day, implemented in phases; Phase I: 5,000 m³/day) will be constructed, along with a “one enterprise, one pipeline” system and an accident‑water storage pond for the industrial park. | 2025 | ||
| Preliminary Design for the Drainage and Flood‑Control Facilities Project in the Area East of East Second Ring Road in the Central Urban District of Hengyang City | 2024 | |||
| Linxiang High-tech Zone Accident Emergency Pool and Initial Rainwater Collection Pool Project | 2024 | |||
| Fire Station of the Xiangyin Du Chemical Industrial Zone, Yongxing Economic Development Zone | Secondary Station | 2023 | ||
| Construction Project for the Retaining Wall of the Electroplating Standard Factory Building, the Sewage Pipeline Network Connecting to the Wastewater Treatment Plant, and the Associated Roadways (Hunan Sent Industrial Investment Co., Ltd.) | 2023 | |||
| Phase II Project of the Wastewater Treatment Plant in the Songmu Economic Development Zone, Hengyang, Hunan Province | Expansion to 10,000 t/d, with an investment of RMB 380 million. | 2023 | ||
| Construction Project for the Retaining Wall of the Electroplating Standard Factory Building, the Sewage Pipeline Network Connecting to the Wastewater Treatment Plant, and the Associated Roadways (Hunan Sent Industrial Investment Co., Ltd.) | 2023 | |||
| Sewage Treatment Project for the Huangping County Sauce-Aroma Baijiu Industrial Park, with a capacity of 2,000 t/d (Phase I: 600 t/d) | 2000 t/d (Phase I: 600 t/d) | 2022 | ||
| Xupu County Township Wastewater Treatment Facilities and Associated Pipeline Network Project | 40,000 tons/day (multiple towns and townships) | 2021 | ||
| Tahing Landfill Membrane‑Underground Water Pipeline Network Extension and Emergency Treatment Facilities Project | DN200 emergency pipeline, 1.5 km, 2,000 m 3 Emergency water tank, emergency pumping station with a capacity of 200–400 m³/day | 2020 | ||
| Longshan County Shigao Water Plant – Pipeline Relocation Project for the Longshan Avenue (G353) Main Water Supply Line | Lay a 1.5 km raw water pipeline. | 2019 | ||
| Main Water Transmission and Distribution Pipeline Connection Project from Liyuan Water Plant to Shigao Water Plant | Laying of water supply pipelines totaling 1.82 km, with diameters ranging from DN100 to DN500. | 2019 | ||
| Water Supply Project for the Liquefied Gas Filling Station in Longshan County | Laying 1.4 km of water supply pipelines, DN100–DN500. | 2019 | ||
| Xinning County Langshan Town Wastewater Treatment Plant Construction Project | 1000m3/d | 2019 | ||
| Water transmission and distribution pipeline network of the Shigao Water Plant centralized water supply project in Longshan County | Village‑level road emergency section, 3.1 km water transmission pipeline (pipe diameter 400) | 2018 | ||
| Longshan County Shigao Water Plant Emergency Water Source Project | 4.5x104 m 3 /d Emergency Water Pumping Station and 1.5 km Water Transmission Pipeline | 2018 | ||
| Phase I of the PPP Project for the Construction of Township Wastewater Treatment Plants and Associated Pipeline Networks in Yueyang County | Daily processing capacity: 9,700 tons (covering 9 townships within the county) | 2018 | ||
| Water Plant Renovation and Expansion Project of the Dingcheng District Tap Water Company, Changde City | 2.5x104 m 3/d | 2017 | ||
| Construction Drawing Design Project for the No. 2 Water Plant in Hengshan County | A new 60,000-ton-per-day surface water treatment plant has been constructed, with the first phase at 30,000 tons per day. | 2017 | ||
| Liuyang City Two‑Type Industrial Park Huobaling Wastewater Treatment Upgrading and Renovation Project | 4000m3/d | 2017 | ||
| Design–Construction–Procurement (EPC) for Phase I of the Rural Decentralized Wastewater Treatment Pilot Project in Ningxiang County | 5–30 t/d centralized domestic wastewater treatment | 2017 | ||
| Shaoyang Economic Development Zone Biyuan Water Services Co., Ltd. Wastewater Treatment Plant, Shaoyang City Hair Products Industrial Park | 4,000 tons/day | 2017 | ||
| Design Project for the Pressure-Boosting Pump Station of the Pipeline Network in the Baoshan Circular Economy Industrial Cluster Zone (Central-Southern Group), Hebi City | 34,000 tons/day | 2016 | ||
| Shaoyang Baoqing Industrial New City Construction Investment and Development Co., Ltd. Wastewater Treatment Plant of the Shaoyang Hair Products Industrial Park | 4,000 tons/day | 2014-2016 | ||
| Zhaishi Township Sewage Pipeline Network and Wastewater Treatment Plant Project | 4000m3 /d(Phase 1: 2000m 3 /d, Phase II 2000m 3 /d) | 2013 | ||
| Anren County Second Water Plant and Pipeline Network Renovation and Expansion Project | 60,000 tons/day (Phase I: 30,000 tons/day water treatment plant) Pumping station capacity: 6 × 10 4 m 3 /d, water distribution network: 25.7 kilometers | 2012 | ||
| Pipeline Construction Drawing Design Project for the Baoshan Circular Economy Industrial Cluster Zone (Central-Southern Cluster) in Hebi City | The pipeline network covers an area of 17 square kilometers, with a total investment of RMB 220 million. Water supply pipes range in diameter from 900 mm to 300 mm, while drainage pipes range from 2,500 mm to 500 mm. | 2011 | ||
| Hanshou County New Surface Water Plant Project | 60,000 cubic meters per day | 2010 | ||
| Relocation Project of the Water Intake Pump House at Shimen County Tap Water Plant | 15 × 10^4 cubic meters per day | 2010 | ||
| Recirculating Water Station for the Off-site Relocation Project of KaiLin Jianhua, Synthetic Ammonia Company, KaiLin Group, Guizhou Province | 2010 | |||
| Water Supply Project for the Central Cluster of the Baoshan Economic Industrial Cluster Zone, Hebi City | Phase I: 65,000 tons/day; Phase II: 130,000 tons/day | 2009-2010 | ||
| Special Urban Water Supply Plan for Taojiang County Town | Phase I: 90,000 tons/day; Phase II: 180,000 tons/day | 2009 | ||
| Chengbu Miao Autonomous County Urban Domestic Wastewater Treatment Project | 10,000 tons/day | 2008-2009 | ||
| Longhui County Urban Wastewater Treatment Project | 30,000 tons/day | 2008 | ||
| Shaoyang City Urban Wastewater Treatment Project | 20,000 tons/day | 2008 | ||
| Hengdong County Urban Wastewater Treatment Project | 20,000 tons/day | 2008 | ||
| Xinning County Urban Wastewater Treatment Project | 15,000 tons/day | 2008 | ||
| Xiangyin County Urban Comprehensive Wastewater Treatment and Pipeline Network Project | 2008 | |||
| Comprehensive Circulating Water Station for the 300,000 t/a Synthetic Ammonia Unit Technical Renovation Project of Guizhou Kailin Co., Ltd. | 2007 | |||
| Zhangjiajie City Wastewater Treatment Project – Urban Sewer Main Line | 2007 | |||
| 20,000 m³/day Expansion and Reconstruction Project of the Second Water Plant of Yongxing County Tap Water Company | 20,000 tons/day | 2005 | ||
| 40,000 m³/day Expansion and Reconstruction Project of Shimen County Tap Water Company | 40,000 cubic meters per day | 2004 | ||
| Dongjiang Water Plant 100,000 m³/day Water Supply Project in Zixing City | 100,000 tons/day | 2004 | ||
| Urban Water Supply Project of Chengbu Miao Autonomous County Tap Water Company | 50,000 tons/day | 2003 | ||
| Leiyang Municipal Water Company’s New 50,000 m³/day Water Treatment Plant Project | 50,000 tons/day | 2003 | ||
| 50,000 m³/day Water Supply Project of the Chengnan Water Plant in Anhua County, Hunan Province | 50,000 tons/day | 2003 | ||
| Phoenix County Integrated Water Environment Management Wastewater Treatment Plant Project for Treating 20,000 tons per year of urban wastewater. | 20,000 tons/day | 2003 | ||
| Longshan County 30,000 m³/day Urban Wastewater Treatment Project | 30,000 tons/day | 2003 | ||
| Hunan Province Shaodong 80,000 m³/day Wastewater Treatment Project | 80,000 tons/day | 2003 | ||
| Yongshun County Urban Tap Water Expansion Project | 60,000 tons/day | 2002 | ||
| Phoenix County Urban Water Environment Comprehensive Treatment Sewage Pipeline Network Project | 2002 | |||
| Domestic Wastewater Treatment Project for the Hunan Aerospace Administration Residential Community | 2,000 cubic meters per day | 2001 | ||
| Longshan County Second Waterworks | 30,000 tons/day | 2000 | ||
| Huayuan County Urban Wastewater Treatment Project | 40,000 tons/day | 2000 | ||
| Tongshenghu Residential Community Domestic Wastewater Treatment Project | 1,200 cubic meters per day | 2000 | ||
| Yongxing County Tap Water Company Pump Station Relocation Project | 60,000 tons/day | 1999 | ||
| Hanshou County Tap Water Company Third Water Plant Project | 1999 | |||
| Yueyang Dongting Residential Area Wastewater Treatment Project | 20,000 tons/day | 1999 | ||
| Renovation of the Secondary Pump Station at Changning Water Supply Company | 1997 | |||
| Chengbu Tap Water Company Urban Water Supply Project | 30,000 tons/day | 1997 | ||
| Expansion Project of the Zuozi’ao Water Plant of Leiyang City Tap Water Company | 55,000 tons/day | 1997 | ||
| Baling Petrochemical Company Caprolactam Water Plant | 200,000 tons/day | 1990 | ||
| Hengyang Salt Chemical Base Drainage Pump Station | 200,000 tons/day | 1990 | ||
| Hengyang Chemical General Factory Water Plant Project | 100,000 tons/day | 1990 | ||
| Yueyang Chenglingji Chemical Industrial Zone Water Plant II | 200,000 tons/day | 1989 | ||
| Zhuzhou Chemical Plant Water Supply Renovation Project | 100,000 tons/day | 1986 | ||
| Yueyang Chenglingji Chemical Industrial Zone Water Plant No. I | 55,000 tons/day | 1977 |
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