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| size | quantity of pipes (piece) | length of pipes (m) | length of pipes/overall length (%) |
|---|---|---|---|
| DN530 | 44 | 10,060 | 46.88 |
| DN350 | 23 | 1030 | 4.80 |
| DN300 | 13 | 5420 | 25.26 |
| DN150 | 5 | 3550 | 16.54 |
| DN80 | 7 | 1340 | 6.24 |
| DN50 | 6 | 60 | 0.28 |
| overall | 98 | 21,460 | 100 |
