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We received the first Director-General's Award from the Independent Administrative Institution Water Resources Corporation.


Switchboard: Yamata Machine Station (left), Yokoshiba Pumping Station (right) Switchboard: Yamata Machine Station (left), Yokoshiba Pumping Station (right)

EBARA Ltd. (hereinafter referred to as EBARA) received the Chair's Award from the Japan Water Resources Agency (hereinafter referred to as the "Water Resources Organization") for the construction of the Inbanuma-Boso conduit pumping system in fiscal 2019 for the two divisions of "excellent construction contractors" and "excellent construction engineers." This is the first time EBARA has received this award since its founding.

1. Background

EBARA solves a wide range of water supply and sewerage problems through comprehensive engineering, including proposals, designs, procurement, mechanical equipment construction, and after-sales service for pump equipment that delivers water for various purposes.
For over 100 years, efforts to prevent flooding caused by heavy rain have been taking place in the area around Lake Inban in Chiba Prefecture. Additionally, in the Kujukuri and Minami Boso regions, population growth and urbanization are creating a need for a stable supply of tap water and industrial water.

2. Overview

This project involves maintenance and inspection of facilities and equipment at three drainage pumping stations associated with the Inbanuma Development Facility in Chiba Prefecture, which is managed by the Water Agency, and five pumping stations associated with the Boso Waterway Facility. Typhoon No. 15 of 2019 *1 The company was highly praised as an "excellent construction contractor" for its efforts to quickly restore damaged equipment, preventing the facility from shutting down, and for installing its own sensors to measure and Analysis the equipment in detail. In addition, the supervising engineer who completed the construction of the eight terminals safely within the scheduled time frame was recognized as an "Excellent Construction Engineer."

Pump specifications
(Main airport and
Representative equipment excerpts)
Owada Airport Vertical shaft axial flow pump VS type
Φ3,600 mm×1,800 m3/m×5.3 m×2,600kW: 2 units
Φ2,500mm×900 m3/m×5.3 m×1,300kW: 4 units
Yokoshiba Pumping Station Horizontal shaft double suction volute pump C type
Φ1,200mm×195m3/m×45m×1,740kW: 3 units
Φ1,100mm×195m3/m×45m×1,850kW: 1 unit
Others: Inba Pumping Station, Sakanao Pumping Station, Togane Pumping Station, Oami Pumping Station, Nagara Pumping Station, Otaki Water Conduction Control Works
Order amount (excluding tax) 126,000,000 yen
Construction Period July 31, 2019 - March 25, 2020

3. Future developments

EBARA's long-term vision, "E-Vision 2030," aims to support "an earth-friendly society, social infrastructure that allows people to live safely and securely, and a world where people do not have to worry about water or food," and to "contribute to the creation of a sustainable society." Many domestic infrastructure facilities, including water and sewage systems, have been in place for more than 40 years. EBARA's social systems business will support the strengthening of social infrastructure by providing maintenance services to maintain the reliability of the pump equipment that supports our daily lives.

The EBARA Group aims to achieve the Sustainable Development Goals (SDGs) by addressing material ESG issues based on its long-term vision and medium-term management plan, and will further enhance its corporate value.


  • *1: A typhoon that occurred in September 2019. It was one of the strongest typhoons ever recorded to make landfall in the Kanto region, causing extensive damage mainly in Chiba Prefecture and being designated a severe disaster.