We set the handling of proviso in the staff calculation standard targeted for disposal of septic tanks to install in house
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About the staff calculation targeted for processing when install septic tank in house "calculated based on processing object staff calculation standard (JIS A3302: 2000) (say "JIS standard" as follows.) of Japanese Industrial Standards human waste septic tank which depended according to uses of building, but devised the handling of proviso to apply proviso of JIS standard, and to reduce people tank when installed in small number existing housing.
Summary of system
Single-family house (total of floor space removes duplex house only for exclusive occupation house more than 130 square meters. When we say "house" as follows and are equal to the following application condition among), we can do the processing object staff of septic tank to install with five.
Application condition (extract)
- Increase of existing house or total of floor space being the enlargement less than 10 square meters.
- Kitchen and bathroom being less than one place each.
- Member of member of true dweller and future dweller possibility being five or less.
- Legal inspection of septic tank, maintenance check and cleaning up being carried out in the responsibility of establisher appropriately.
There are nado, plural conditions. Please refer to the main body (PDF file (66KB) opens) for the details of application condition.
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