HCMP tolerances
HCMP length tolerance ±0.5% of design length.
In coupling band junctions, gap between individual pipe sections may not exceed 30 mm.
HCMP tolerances | ||
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Item | U.M. | Allowed values |
Nominal size deviation | Nominal size % | ±1,5 |
Bore distortion as laid | actual bore % | ±2,0 |
HCMP/P tolerances | ||
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Item | U.M. | Allowed values |
68h13 (D1) reference span / height deviation | Nominal equivalent size % | ±2,0 |
125h26 (D1) reference span / height deviation | Nominal equivalent size % | ±5,0 |
Internal span/height distortion as laid | Actual span % | ±2,0 |