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Small but important! What’s under the city’s cover?


Hello. I'm an active correspondent, Hanes.
It's been almost autumn, but the days of moving while lowering the eyes are still not letting go of the parasol.
In such a case, you will see a manhole cover or a manhole-like lid installed on the sidewalk.

Small but important! What’s under the city’s cover?


I often see sewer-related manhole covers, "rainwater", "sewage", and "merging", but in fact there are other lids for various facilities.
Moss' article, "Let's walk down! A lid engraved with "City Light" introduced in the slightly mysterious "City Light" lid, a lid of the common groove featured in the article "Chuo-ku Underground" in April 2018, engraved with "Light" One of them is the lid for wiring of street lights.

Small but important! What’s under the city’s cover?


Regarding the cabling lid, the tree "Yanagi" in Chuo-ku and the flower "Azalea" in Chuo-ku that yaz introduced in "Manhole in Chuo-ku" were drawn, and as shown in the above photo There is a thing with the word "light" in the ward chapter of Chuo-ku.
The latter is located right next to the streetlights in Tsukuda Park, so you can find it immediately.

In addition, there is a lid indicating a manhole that can be used as a toilet in the event of a disaster that has been introduced several times so far.
(The photo below is taken on the east side of Kabukiza Theater.)

Small but important! What’s under the city’s cover?


The role is different from the lid, but as introduced in the April 2020 article "Romance Created by Points and Points-Chuo-ku and Survey-", the "Tokyo Metropolitan Standard Base Mark" and "Level Point" related to surveying Dotted in Chuo-ku!

Small but important! What’s under the city’s cover?


In addition, there is also a lid on the water outlet that will be newly taken up this time.
I had you show the inside in photos before, but there are related equipment such as buried pipes inside.

This lid on the city of Nihonbashi, which existed from 1941 to 2004 and celebrated its 80th anniversary last year, along with the logo of the Teito High Speed Transport Corporation (currently Tokyo Metro Co., Ltd.) It is engraved as "Consolidated Water Supply Channel Water Supply for Fire Service in Hokkaido".
In the event of a fire at a subway station, it is thought that it was installed to send water from here.

Small but important! What’s under the city’s cover?


In addition, near Eitai Bridge, we found a lid of the water outlet engraved with "Water spray fire extinguisher fire brigade water outlet TEPCO"!
Whether it is the lid of the Imperial High Speed Transportation Corps mentioned above or this lid, you can see the old age from the company name and the kanji used.
It is said that there is a facility like a sprinkler that emits water in a foggy manner here.

Small but important! What’s under the city’s cover?


For information on water outlets in Chuo-ku, please see the article "Chuo-ku seen in the history of firefighting (Part 1)" and "Chuo-ku seen in the history of firefighting (Part 2)" in July 2018.

The lids in the city tend to be bundled together with "manholes", but if you look closely, you will notice that there is a different role than you expected.
At the same time, I realized that what is underneath the lid is an important facility that always supports and helps us in an emergency.
Before the Disaster Prevention Day on September 1, I would like to thank you again for being able to live with peace of mind thanks to those facilities scattered throughout the city.