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Sep 28, 2010 · Slope. Slope is represented by a ratio expressed as the number 1, a colon, and a second number, e.g., 1:20. This means there is one inch of elevation in ... - read more

The recommended slope for straight ramps in situations such as: Half deck car parks where the vertical separation between decks is less than 1.5m, is 1:6. - read more

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