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The overpopulation of

Japanese cities has pre-

sented urban planners

with the challenge of



people in a relatively

small area. This also

results in a serious prob-

lem for building managers

of large offices: the num-

ber of toilets available is

often insufficient, or the

occupation of the sanitary

facilities is often subopti-

mal. An office building in

Japan shows how easy

this problem can be


By Kamarq Exploration K.K.

Time saving and comfort

for employees

Using a cloud service, which provides infor-

mation about the occupancy of the toilets,

users are informed in real time which toilets

are currently unused. Thus, the waiting time

outside of sanitary installations is reduced

significantly and annoying queuing is no lon-

ger necessary, since employees are automat-

ically directed to the nearest available toilet.

In addition, the user receives the information

as to how long a toilet is likely to be occu-

pied or free. This eliminates time-consuming

searches for a free toilet, and the shortened

waiting time helps to spend your break most


Saving costs and time

in case of retrofit

The retrofitting of conventional, cable-bound

sensors would have led to considerable

rebuilding measures since complex cabling

would be necessary both for the power

supply and for the data transmission. Battery

and wireless sensors with EnOcean techno-

logy can be easily retrofitted and connected

directly to the cloud via 3G transmission. The

conversion costs are also greatly reduced.

Efficiency and flexibility in

everyday life

This solution benefits not only employees but

also the building manager and the cleaning

staff. With the help of the cloud-based solu-

tion, the use of the sanitary installations can

be precisely monitored. Instead of cleaning

every single toilet every hour, the toilets that

are most frequently used can be cleaned

first. The timing for cleaning the toilets can

be optimized and the distribution of cleaning

staff can be adjusted accordingly. This

increases the efficiency of the cleaning staff

and ensures enormous cost savings.


office buildings


E 2017 2