中英 钢结构施工方案（外管廊）.docVIP

2382 Camilo Cienfuegos Refinery Expansion Project 850 Method statements for steel structure of interconnecting pipe rack 2382 古巴炼油厂扩建项目 850外管廊钢结构施工方案 1．Project profile 工程概况 The steel structure of 850 interconnecting pipe rack of Camilo Cienfuegos Refinery Expansion Project is mainly composed of steel structure of pipe rack, railing, ladder, etc. The total weight reaches 4891t. 本2382 古巴炼油厂扩建项目850外管廊标段的钢结构主要为管廊钢结构、栏杆、梯子等。总计4891余吨。 2． Construction procedure of the steel structures 钢结构施工工序流程 3． Material acceptance and storage 材料验收及保管 3.1 There should be certificates of quality for the steel bars used in the steel structure construction. Furthermore, the steel bars should comply with the requirements of design and specialized standards. The surfaces or the cross sections of the steel bars should not have flaws such as crackles, scars, folding, bubbles, interlayer and delamination, surface corrosion, pocking marks or scratches. The depths of the flaws or rusting should not exceed half of the negative deviation of the thickness of steel plates. 钢结构工程所用钢材应具有质量证明书，并符合设计和专业标准的要求。钢材表面或断面不得有裂纹、结疤、折叠、气泡、夹层和分层，表面锈蚀、麻点或者划痕等缺陷,缺陷深度不应大于钢板厚度负偏差的1/2。 3.2 There should be certificates of quality for the welding materials used for the steel structures. Furthermore, the welding material should comply with the regulations of design and national standards. Welding rods deteriorated by damp, with broken coating or rusted cores are strictly prohibited to be used. 钢结构所用焊接材料应具有质量证明书，并符合设计和国家标准的规定。受潮变质、药皮破损、焊芯生锈的焊条严禁使用； 3.3 There should be certificates of quality for the connection material and coating material used for the steel structures. Furthermore, the steel structures should be accorded with the design requirements and national current standards. 钢结构工程所采用的连接材料和涂装材料，应有出厂质量证明书并符合设计要求和国家现行标准。 3.4 In need of substitutive materials, there must be substitutive receipts of the materials examined and approved by design unit. 如需材料代用，必须持有设计部门审批的材料代用单； 3.5 The material si