STANDARD HANDBOOK OF PETROLEUM & NATURAL GAS ...

540 Drilling and Well Completions
Table 4-8
Minimum Groove Radii for Worn Sheaves and Drums
(All dimensions in inches) 191
Wire Rope
Nominal Size Radii
% ,129
A! .160
% .190
B .EO
Ih 256
B .!?a
sk ,320
?4 .380
H .440
1 .513
1% .577
1% ,639
1% ,699
1% .I59
Wire Rope
wire Rope
Nominal Size Radii Nominal Size Radii
1% .833 3% 1.730
1% 297 3% 1.794
1% .959 3% 1.918
2 1.019 4 2050
2% 1.079 4% 2.178
2% 1.153 4% 2.298
216 1.217 4% 2.434
2% 1.279 5 2.557
2% 1.339 5% 2.691
-a 1.409 5% 2.817
a 1.473 5% 2.947
3 1.538 6 3.075
3% 1.598
3% 1.658
DETAIL A DETAIL 6
Figure 4-15. Use of sheave gages [9].
Inspection, Nondestructive Examination, and Compliance
Inspection. While work on the contract of the purchaser is being performed,
the purchaser’s inspector shall have reasonable access to the appropriate parts
of the manufacturer’s works concerning the manufacture of the equipment
ordered hereunder. Inspection shall be made at the works prior to shipment,
unless otherwise specified, and shall be conducted so as not to interfere
unnecessarily with the works’ operation or production schedules.
Nondestructive Examination. The manufacturer shall have a reasonable written
nondestructive examination program to assure that the equipment manufactured
is suitable for its intended use. If the purchaser’s inspector desires to witness
these operations, the manufacturer shall give reasonable notice of the time at
which the examinations are to be performed.