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dik said:With most steel codes and ironworkers, it has a specific meaning.
AISC (Steel Construction Manual) uses the RCSC for structural bolts. The RCSC can be found here:LittleInch said:Can you give a link or description please. Is there a torque value?
Snug-Tight Condition. The joint condition in which the plies have been brought into firm
contact and each bolting assembly has at least the tightness attained with either a few
impacts of an impact wrench, resistance to a suitable non-impacting wrench, or the full
effort of an ironworker using an ordinary spud wrench.
(underline emphasis by me)8.2.2. Calibrated Wrench Method Pretensioning
After the snug-tightening operation has been performed, the installation torque
determined in the pre-installation verification of the bolting assembly (Section
7.2.2) shall be applied by turning the nuts (not the bolt heads) in the joint, progressing
systematically from the most rigid part of the joint in a manner that will
minimize relaxation of previously pretensioned bolting assemblies. It is prohibited
to use this method by turning the bolt head. Torque values determined from tables
or from equations that claim to relate torque to pretension without verification shall
not be used.