Total Environmental Support
Case examples of our "Total Support" business approach
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Daily management for the stable supply of drinking water
It is extremely important to ensure the stable operation of the water purification facilities that supply drinking water every day.Entrusted with daily inspection and management of various purification facilities, we provide services to maintain and manage the devices and monitor the water quality.
We also supply chemicals for water treatment including polyaluminum chloride (PAC), which adsorbs and precipitates fine particles and suspended matters in raw water, carbon dioxide for pH control, activated carbon for odor removal and sodium hypochlorite for disinfection treatment.
Response to abnormal and emergency situations through joint efforts by experts
In case of any defects or abnormalities in the devices, we conduct necessary repairs or construction works in each case.We perform 24-hour monitoring, and when any abnormalities are identified, our experts jointly respond to them in a prompt manner to solve the problems.
Related licenses
Designation as a water quality inspection agency as specified in Paragraph 3, Article 20 of the Waterworks Law of Japan
Related qualifications
Technical administrator of waterworks Certified water purification plant control engineer Building environment and sanitation management engineer Licensed electrician (Class 3)
Related services
Maintenance and management, as well as cleaning, of facilities, supply of chemicals for water treatment, construction works, water quality inspection, etc.
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What are private waterworks?
Private waterworks are specified in the Waterworks Law of Japan, and include facilities that supply the necessary water to a residence of more than 100 persons and facilities that can supply more than 20 tons of water in a day. The installer of private waterworks is obliged to assign a qualified technical administrator of waterworks, who is required to take all necessary actions to maintain and manage the facilities for clean water supply. We provide qualified persons as requested by customers and give necessary support to maintain and manage private waterworks and facilities.
Various services ranging from regular management to improvement proposals
For private waterworks, we also conduct inspection of pumping wells, pressure pumps and chemical feed pumps and cleaning of strainers for sewage effluent, as well as inspection, repair and cleaning of related accessory components and equipment.Moreover, based on past experience, we suggest any necessary addition or replacement of equipment due to the aging of facilities and/or other reasons. We also perform water leakage inspection and other services.
In addition to private waterworks, we also inspect and clean bathing water circulation and filtration facilities and pipes, and examine bathing water for the detection of Legionella, etc.
Related licenses
Registration as a tap water quality inspection agency Registration as a building rodent and insect control service provider Registration as a building septic tank cleaning agency License for the sale of pharmaceuticals Registration as a clinical laboratory
Related qualifications
Technical administrator of waterworks Reservoir sanitation management engineer Certified environmental measurer/certified chemical analysis technician Building environment and sanitation management engineer
Related services
Maintenance and management of private waterworks, pest survey and control, chemical supply, cleaning of drain strainers, water quality inspection, inspection of bathing water circulation and filtration facilities and pipes, bathing water inspection, water leakage investigation
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Daily waste treatment, and the management and cleaning of the facilities
Stores and restaurants require various management services although such aspects are little known. The waste generated in the facilities is collected, transported and treated every day in accordance with the operation irrespective of the day of the week, even on holidays.In addition, the water receiving tanks to store the water to be used in the facilities are cleaned and analyzed on a regular basis.
Oil in the wastewater from restaurants and other facilities is collected with grease traps and stored in grease pits. It is essential to remove the oil and clean the pits on a regular basis. The drain pipes receiving the wastewater from the traps also need periodical cleaning to avoid clogging. We also handle these tasks.
When snow accumulates, we remove snow on parking lots by snow removing vehicles and scatter snow melting agents.
Thus, we provide a wide range of services for the little known aspects of the facilities.
Maintenance and management of specified facilities
Buildings of a specific size require periodical measurement of dust, carbon monoxide level, etc. for comfortable use of the facilities, and we provide services to conduct such inspections on a regular basis.Related licenses
Registration as a building drinking water inspection agency Law for Maintenance of Sanitation in Buildings
Related qualifications
Air quality measurer Reservoir sanitation management engineer Building environment and sanitation management engineer
Related services
Collection and transportation of domestic waste, cleaning of grease pits, cleaning of drain pipes, cleaning of water receiving tanks, analysis
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Maintenance and management of wastewater treatment facilities
We provide various services with a focus on management of wastewater treatment facilities. Our staff who specialize in wastewater treatment are stationed on-site to control water quality through on-site measurement of water quality and by checking the values of measuring devices located at various points throughout wastewater treatment facilities on a daily basis. Any abnormalities of the equipment and water quality are reported by email and addressed promptly.
Related water quality inspection and other services
We perform periodical water quality inspection on raw water, treated water and final effluent, and supply industrial chemicals for wastewater treatment as well. Furthermore, we collect and transport dry sludge as industrial waste from wastewater treatment facilities. Thus, we comprehensively support wastewater treatment systems in facilities.In addition, we perform periodical inspection of private water supplies, and measure exhaust gas from boilers and the air quality in facilities. We also conduct cleaning and inspection of water receiving tanks, as well as pest control, in the associated training facilities.
Related services
Maintenance and management of wastewater treatment facilities, inspection and cleaning of septic tanks, cleaning of private waterworks and water receiving tanks, analysis of plant effluent, drinking water inspection, exhaust gas measurement, industrial chemicals, measurement of the air quality, pest control, waste collection, transportation and treatment
Every sales staff is an expert
With expertise from various licenses and qualifications, our sales representatives offer a wide range of services and advice uniquely tailored to your specific needs.
A broad vision, from local to global
As a leading environmental company, Hiyoshi strives to pursue cutting-edge technologies across borders. We take offers world-wide for various services, such as import/export food inspection and infrastructure consulting.
Providing accurate analysis and support
Any environmental work must begin with information gathering and analysis phases to identify the preliminary condition. Hiyoshi has its own highly-equipped analysis division to promptly provide top quality service.
Global partnership
Utilizing domestic and international partnerships developed over more than 30 years through the industry-government-academia network, we will satisfy demand for not only analysis and measurement, but also comprehensively address a wide range of environmental issues.
Long history of advanced technology since 1955
Since long before "environmental business" became a widely recognized term, Hiyoshi has proudly used their "pioneering" role in this field to present customers with the latest solutions. We proudly offer you the best service based on technology and trust developed over the course of the company's long history since 1955.
Over 1,300 personnel licenses
With over 1,300 total licenses, Hiyoshi's experts provide a wide array of services in the fields of biology, chemistry, electricity, mechanics, etc. From analysis to facility management, environmental conservation and more, our experts are well qualified to meet a broad range of needs.