Guidelines for Preparation of Special Construction Programs for Steel Structure Installation Projects

(一) Overview of the project

1. Overview and characteristics of steel structure erection works:

(1) Basic information of the project: floor area, height, number of floors, structural form, main features, etc.

(2) Overview of steel structure project and content of super dangerous big project: plan, elevation and section of steel structure project, typical node diagram, section diagram of main steel components, maximum plate thickness, steel material and project quantity, etc., listing super dangerous big project.

2. construction layout: temporary construction road and transportation vehicle route, steel components stacking site and assembling site layout, lifting machinery layout, mobile hoisting machinery travel route, etc.

3. Construction requirements: clear quality and safety target requirements, schedule requirements (start date of the project, planned completion date), planned start date of steel structure project, completion date of installation.

4. Surrounding environmental conditions: the location of the project, the site and its surrounding environment (neighboring buildings, roads and underground pipelines, high-voltage pipelines, etc.), Roads and underground ground pipelines, high-voltage lines, and the positional relationship of the foundation pit).

5. Risk identification and grading: risk identification and safety risk grading of steel structure erection.

6. Responsible units of all parties involved in construction.

(二) Preparation basis

1. legal basis: relevant laws, regulations, normative documents, standards and norms on which the steel structure erection project is based, etc.

2. project documents: construction contract (construction contracting mode), survey documents, construction drawings, etc.

3. construction organization design, etc.

(三) Construction plan

1. overall arrangement of construction and division of flow section.

2. construction progress plan: construction progress arrangement of steel structure erection project, specific to the progress arrangement of each sub-item project.

3. materials and equipment required for construction and field plan: mechanical equipment configuration, construction auxiliary material demand and field plan, relevant measuring and testing instrument demand plan, construction electricity plan, necessary inspection and test plan.

4. Labor force plan.

(四) construction technology

1. Technical parameters:

(1) specifications of steel components, weight, installation location (plane distance and elevation).

(2) Select the performance, quantity and installation position of tower crane and mobile lifting equipment; determine the traveling route of mobile lifting equipment, select slings, approve the bearing capacity of the foundation at the station of mobile lifting equipment, and analyze the working conditions.

(3) Technical parameters such as operation platform, work equipment, assembling frame, temporary load-bearing support frame, structural measures and its foundation design, foundation bearing capacity, etc. required for steel structure erection.

(4) Technical parameters necessary for seasonal construction.

(5) Technical parameters such as the value of construction pre-arch required for steel erection.

2. Process flow: the overall construction process flow of the steel structure installation project and the process flow of each sub-project (the erection, installation and dismantling process flow of the operating platform, assembly cradle and temporary load-bearing support frame).

3. Construction methods and operation requirements: construction methods and key operation points of steel structure engineering before construction, on-site assembly, installation sequence and positioning, correction, welding, unloading and painting, as well as safety and technical measures taken (setting up and dismantling methods of operating platforms, assembly cradles, temporary load-bearing support frames and related facilities and equipment, etc.), common safety and quality issues and prevention and treatment measures.

4. Inspection requirements: Describe the quality inspection of steel components and other materials upon arrival; during the installation of steel structures, conduct safety and quality inspections of relevant procedures and processes against special construction plans.

(五) Construction guarantee measures

1. Organizational guarantee measures: safety organization, safety guarantee system and safety responsibilities of corresponding personnel, etc., clarify institutional safety management measures, including personnel education, technical disclosure, safety inspection and other requirements.

2. Technical measures: safety guarantee measures (including fire safety guarantee measures), quality technical guarantee measures, civilized construction guarantee measures, environmental protection measures, seasonal construction guarantee measures, etc.

3. Monitoring and control measures: monitoring organization, monitoring scope, monitoring items, monitoring methods, monitoring frequency, early warning value and control value, inspection, information feedback, monitoring point layout map, etc.

(六) Construction management and operation personnel deployment and division of labor

1. Construction management personnel: list of management personnel and job responsibilities (project leader, project technical leader, construction personnel, quality personnel, team leaders, etc.).

2. Full-time safety personnel: list of full-time production safety management personnel and job responsibilities.

3. Special operation personnel: list of special operation personnel with certificates and job responsibilities.

4. Other operation personnel: list of other personnel and job responsibilities.

(七) Acceptance requirements

1. Acceptance standards: According to the construction process, the relevant acceptance standards and acceptance conditions shall be clarified (special construction plan, steel structure construction drawings and process design drawings, steel structure construction quality acceptance standards, safety technical specifications, standards, regulations, and other acceptance standards).

2. Acceptance procedures and personnel: specific acceptance procedures, acceptance personnel composition (relevant persons in charge of construction, construction, supervision, monitoring, etc.).

3. Acceptance content:

(1) Selection of lifting machinery, use registration certificate and necessary foundation bearing capacity; distribution of lifting weight, location of lifting points and location of station vehicles when lifting with two or more machines.

(2) Specifications and integrity of lifting slings; size, location and welding quality of lifting lugs.

(3) Large assembly cradle, temporary support frame foundation and frame erection.

(4) Deformation control measures during component lifting.

(5) Structural reinforcement measures required by the process.

(6) Specifications and performance of corresponding supporting equipment such as lifting, jacking, translation (sliding), rotation, and supporting tooling.

(7) Unloading conditions.

(8) Other acceptance content.

(八) Emergency response measures

1. The composition and responsibilities of the emergency rescue leadership team, the composition and responsibilities of the emergency rescue team, including the reporting procedures for emergency response, rescue, security, logistics, medical rescue, aftermath, emergency rescue work process, contact information, etc.

2. Emergency events (major hidden dangers and accidents) and their emergency measures.

3. Contact information of the property owners of surrounding buildings (structures), roads, underground pipelines, etc., and rescue hospital information (name, telephone, rescue route).

4. Emergency material preparation.

(九) Calculation book and related drawings

1. Calculation book: including load conditions, calculation basis, calculation parameters, load condition combination, calculation diagram (model), control indicators, calculation results, etc.

2. Calculation book content: lifting lugs, lifting slings, necessary foundation or structural bearing capacity verification, assembly cradle, temporary support frame, relevant lifting, jacking, sliding and rotation and other related process design calculations, double or multi-machine lifting and lifting weight distribution, structural strength at different construction stages (conditions), deformation simulation calculations and other necessary verification items.

3. The construction drawings of related measures mainly include: lifting lugs, assembly cradles, temporary support frames, related lifting, jacking, sliding, rotation and cable, cable membrane structure tensioning and other tools, related safety protection facilities, operating platforms and ladders, local structural reinforcement, etc.; monitoring point layout drawings; general construction layout drawings.

4. The construction drawings of related measures should comply with the requirements of drawing specifications, and schematic diagrams should not be used.