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Quiz hints

Mga pahiwatig sa quiz

Metropolitan Area Outer Underground Discharge Channel quiz (the event ended on January 10, 2022). Thank you for taking part.

The Metropolitan Area Outer Underground Discharge Channel protects our town from flooding. Why not learn more about it by answering the quiz? The more you know, the more you'll enjoy a tour.

Quiz 1

With all four drainage pumps at the Showa Drainage Pump Station running at full power, how much water can they discharge per second?
Hint: The discharge capacity of one pump at the Showa Drainage Pump Station is...
River facilities: drainage pump station | Edogawa River Office

Quiz 2

How many pillars are there in the surge tank known as the "Underground Temple"?
Hint: The surge tank lies 22 m underground and is 177 m long, 78 m wide and 18 m high. Each pillar is 7 m deep, 2 m wide, 18 m high and weighs about 500 tons.
Surge tank | Edogawa River Office

Quiz 3

How big is the shaft that takes in the water?
Hint: Space Shuttle: 55 m; Sensoji Temple's five-story pagoda: 53 m; Statue of Liberty: 46 m. The Space Shuttle and the Statue of Liberty would fit inside completely.
Shafts | Edogawa River Office

Come and experience the Metropolitan Area Outer Underground Discharge Channel and feel its enormous scale. Kasukabe also has plenty of other attractions: food such as the Discharge Channel special hospitality menu, souvenirs including the Kasukabe Food Selection, specialties such as paulownia products and oshie hagoita, and Kasukabe-juku, a former post town on the Nikko Kaido.