3.3　Anchor Bolt

Ⅰ　Main Control Item

3.3.1　Anchor bolt specification and fastening force shall meet the requirements of design document.

Inspection quantity:20% sampling inspection and not less than 4 sets.

Inspection method:check quality qualification certificate，measure with ruler，check fastening record，check with hammering nut.

Ⅱ　General Item

3.3.2　Remove the oil and scale on the anchor bolt and grease shall be applied on the screw part.

Inspection quantity:total number inspection.

Inspection method:observation inspection.

3.3.3　Guarantee the verticality of anchor bolt in preformed hole.The distance between any part of the bolt to preformed hole wall shall be larger than 15mm and it is forbidden to have any touch with the holebottom.

Inspection quantity:total number inspection.

Inspection method:observation inspection.