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.