3.3　Anchor Bolt

3.3.1　Quality qualification certificate shall be provided for anchor bolt.

3.3.2　The anchor bolt installation of reserved holes shall be in accordance with the following requirements:

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

2　Check if diameter and length（including screw length）of anchor bolt shall meet the requirements of technical design documents.

3　Anchor bolt installation shall be installed compatible with its verticality and kept away from the hole wall larger than 15mm，and shall not touch the hole bottom.Clearance shall be kept between anchor bolt and equipment anchor bolt holes after preliminary alignment of equipment is made.

4　Equipment surface shall be protected during the first-time and secondary grouting.

5　Final alignment for equipment shall be done and anchor bolts shall be tightened only after the concrete strength for reserved holes meets the design requirements.

3.3.3　Anchor bolt installation shall be in accordance with the following requirements:

1　T-type anchor bolt's diameter，length，mark，hammer head size，connection type between hammerhead and screw rod，and anti-corrosion shall meet the requirements of design document.

2　Fill the bolt sleeve with packing to close it before secondary grouting for equipment，which shall meet the requirements of design document.

3　Select suitable method and tool to tighten anchor bolt in accordance with the fastening force requirement and field working environment.Fastening force shall meet the requirements of design document.