Pipelaying Tender-VOL IV - WorleyParsons.com

REWARI KANPUR PIPELINE
PROJECT
HIGH FREQUENCY ELECTRIC WELDED
(HFW) LINE PIPE
DOCUMENT NUMBER
0068-00-SPC-2002
Revision 0
The acceptance limit and disposition of lamination and other type of defects on the
skelp/pipe body shall be as per Para E.5.5 of Annex-E and as modified in this
specification.
9.10.5 GEOMETRIC DEVIATIONS
9.10.5.3 Dents on weld and heat affected zone (HAZ) are not acceptable.
(New)
9.10.6 HARD SPOTS
Any hard spot having a minimum dimension greater than 2 in. (50.8 mm) in any direction
and hardness greater than 248 HV10 shall be rejected. The section of pipe containing
the hard spot shall be cut off and removed as a cylinder or entire pipe shall be rejected.
9.10.7 OTHER SURFACE IMPERFECTIONS
a) Imperfections that have a depth
repaired in accordance with Para C.1 and as modified in this specification.
b) Imperfections that have a depth > 0.05 t (measured from the surface) shall be
classified as defect and shall be repaired in accordance with Para C.2 or C.3 and as
modified in this spec.
9.10.8 CRACKS, SWEATS AND LEAKS
(New)
Sections of the pipe containing cracks, sweats and leaks shall be cut off as per the
requirement of API Spec 5L Para C.3 (b) or (c).
9.10.9 OFFSET OF PLATE EDGES
(New)
All pipes shall be checked for offset of skelp edges. Offset shall be measured and
recorded at least 3 times per operating shift (12 hours maximum).
9.10.10 HEIGHT OF FLASH OF ELECTRIC WELDED PIPE
(New) Each pipe shall be checked for conformance of height of flash. Height of flash shall be
measured and recorded at least 3 times per operating shift (12 hours maximum).
9.10.11 TRIM OF INSIDE FLASH OF ELECTRIC WELDED PIPE
(New) Each pipe shall be checked for conformance of depth of trim. Depth of trim shall
be measured and recorded at least 3 times per operating shift (12 hours
maximum).
9.11 DIMENSIONS, MASS AND TOLERANCES
9.11.1.3 All pipes shall be supplied with length between 11.5 m and 12.5 m. However pipe with
length between 10.0 m and 11.5 m can also be accepted for a max. of 5% of the
ordered quantity. The minimum average length of the entire ordered quantity in any case
shall be 12.0 m.
0068-FMT-01 Page 11 of 38
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