• 9blb
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    2 months ago

    B and D are weight classes. B 125 is tested to 125 kN, D 400 is tested to 400 kN.

    DIN 4271 tells you how manholes of class B are to be build.

    • jaybone@lemmy.world
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      2 months ago

      I see the number in the diagram now after looking more closely. Also seems the number is upside down in the game.