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Introduction

In the Danish DanDas standards, we have a calculated scoring value for the pipe called the Fysisk Indeks (Physical Index).

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The calculations are the same for both standards.

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The Lookup Table

These are the lookup values for the scores that are used to calculate the Fysisk Indeks. The values are the same for DanDas 2.5 and 2.6 Except for the two values at the bottom that are highlighted in red. These values are only used in DanDas 2.5 and are not used in DanDas 2.6.

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The result of this is that the VA (water level) is defined in the inspection from the beginning to the end.

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The Calculations

The calculations of S and F look like this:

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If a continuous observation is recorded by the user as 1m long or less, then we do not use the L term in the equation, we assume that the observation is not continuous. Continuous observations must be more than 1m long, or else they are not continuous.

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Testing

The attached spreadsheet can be used for testing the calculation of Fysisk Indeks.

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