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3.3 Anchor Bolt
Ⅰ Dominant Item
3.3.1 Specification of anchor bolt and tightening must meet requirements in design technical document.Check quantity:spot check 20%,and minimum 4 pieces.
Inspection method:to check quality certificates and tightening records,to take measurement by a tape,to check by hammering a nut.
Ⅱ General Item
3.3.2 Oil stain and scale on anchor bolts shall be cleared up,appropriate grease shall be applied on threads.
Check quantity:to c heck all.
Inspection method:inspection.
3.3.3 An anchor bolt shall be installed vertically in a preset hole;distance from its surface to wall of the hole shall be more than 15mm,and it shall not touch the bottom of hole.
Check quantity:to check all.
Inspection method:inspection.