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News Release
11.20.2015

METAWATER signs a construction agreement for the renewal of the Katsurazawa Water Treatment Plant
~DB business for Katurazawa Suidoukigyoudan in Hokkaido~

METAWATER Co., Ltd. (Headquarters: Tokyo, Japan; President: Tomoyasu Kida; hereinafter referred to as “METAWATER”) is pleased to announce that a joint venture for specified building construction represented by METAWATER (hereafter “JV”) has concluded a construction agreement for the renewal of the Katsurazawa Water Treatment Plant of Katsurazawa Suidoukigyoudan in Hokkaido.

The project is designed to fully renew the Katsurazawa Water Treatment Plant, a core water treatment plant in the drinking water supply business of Katurazawa Suidoukigyoudan, and to introduce membrane filtration facilities through a DB (Design Build) method. Raw water of the Katsurazawa Water Treatment Plant has high turbidity and contains odorous components, soluble manganese, ammonium nitrogen, and the parasite cryptosporidium. By introducing a system equipped with ceramic membrane filtration facilities to carry out appropriate preliminary treatment and advanced water treatment, METAWATER will ensure a stable supply of high quality, safe and secure water.

As a representative of JV, METAWATER will leverage its extensive experience and support the project to ensure a stable supply of high quality, safe and secure water to the three cities under the jurisdiction of Katurazawa Suidoukigyoudan.

Outline of the Project

1)Name

Design and construction for the renewal of the Katsurazawa Water Treatment Plant

2)Location

407 Nishi-Katsurazawa, Mikasa, Hokkaido

3)Contract amount

8,300 million yen (excluding tax)

4)Operator

METAWATER/IWATA CHIZAKI/Tokyo Engineering Consultants Joint Venture

 〈Member companies〉
Company Name Roles
METAWATER Co., Ltd.
Hokkaido Office
Representative company
Plant machinery company, plant electricity company
IWATA CHIZAKI Inc. Civil engineering and construction company
Tokyo Engineering Consultants Co., Ltd.
Tokyo Branch
Design/construction supervision company











5)Scope

① Research business
・Investigation of surrounding environment, measurement research, geological research, experimental drilling research, radio disturbance research, support for briefing sessions

② Design and construction supervision business
・Basic design, detailed design, support for project-related application forms, construction supervision

③ Construction business
・Construction of new facilities (civil engineering and construction, construction and system adjustment for water treatment plant facilities)
・Effective use of existing facilities
・Removal of the facilities subject to removal (demolition and disposal of empty buildings)
・Development of operational guidelines
・Development of equipment ledgers
・Operating guidance

6)Period

From April 1, 2016 to February 28, 2022 (the new plant will commence operations in March 2021)

7)Scheme

DB method

8)Outline of the facilities

Planned maximum quantity of water supply : 36,219m3/day
Water treatment method : Membrane filtration system
 

<Ceramic membrane filtration system>

セラミック膜エレメント
                                                                   Ceramic membrane element

In addition to ensuring easy maintenance and efficient operation, the ceramic membrane filtration system is capable of providing high quality treated water, equaling or surpassing the quality of conventional slow/rapid filtration systems.
In addition, it requires less space compared to slow/rapid filtration systems and can be used at sites which once hosted other facilities or buildings.


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