[Case Study] Station Building Cafe

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last updated：Jan 05, 2026

Introducing examples of cases prepared for issues caused by foreign matter contamination with the backup function!

Here is a case study of the adoption of "Sewage NPB (OZ-100NPB)" in a café located in a station building. The facility is a store facing a shopping street adjacent to a terminal station, where a large number of users are expected both day and night. This increases the risk of issues arising from foreign object contamination, making a backup function essential. Since the restroom is used by a large number of unspecified customers, a product equipped with a backup function was adopted. By installing it in a dedicated pump room at the back of the restroom, soundproofing and vibration reduction measures are implemented, while also securing maintenance space. [Case Overview (Partial)] ■ Installation Location: Station Building Café ■ Model: Discontinued Sewage NPB (OZ-100NPB) / Replacement Model: Sewage and Wastewater Big NA (BG-201NA) ■ Connected Fixtures: Toilet Bowl, Hand Wash Basin *For more details, please download the PDF or feel free to contact us.

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【Summary of Other Cases】 ■Challenges <Requests> - Due to the store layout, it was difficult to install sewage drainage pipes, so a pump for pressurized drainage was chosen. - Given the expected high number of users at all hours, the risk of malfunctions due to foreign object contamination was high, making a backup function essential. ■Proposal Details <Key Points in Design and Construction> - Since the toilets are used by a large number of unspecified customers, products with a backup function were adopted. - By installing it in a dedicated pump room at the back of the toilet, soundproofing and vibration reduction measures were implemented, while also ensuring maintenance space. - Hand dryers were adopted in the toilets to reduce the risk of foreign object contamination (such as paper towels). *For more details, please download the PDF or feel free to contact us.