What are the layout and general requirements of the production area of the prefabrication yard?

The planning and layout of the prefabrication yard shall conform to the requirements of Work Instruction for Production License Certification of Beam Yard, Work Instruction for Railway Bridge Construction Site Setting, Work Instruction for Bridges and Culverts in Bureau Standardized Management System Documents, Work Requirement Card and related safety operation procedures.

1. Precast yard should be located in concentrated area, with small amount of land acquisition and demolition, convenient transportation, short transportation distance, good site geology and small foundation treatment capacity, and flood control and drainage should be considered to ensure construction safety in rainy season.

2. Precast site layout must meet the requirements of factory production, workshop layout is reasonable, roads and drainage are unblocked, maintenance facilities (including steam maintenance and sprinkler maintenance) are set in place at one time, and the whole precast beam yard ground is hardened and properly afforested. The mixing station and boiler room should be set near the beam-making pedestal, far away from the office and living rooms.

3. According to the requirements of safe production, electrical equipment shall be installed in a standardized way, and the electrical lines crossing the construction access road shall be crossed by pipelines buried under hardened ground or overhead. The erection and maintenance of power supply and distribution lines shall comply with the provisions of Article 7 "Management and Control of Construction Machinery and Equipment and Temporary Electricity Consumption" of these Detailed Rules.

4. Office area, production area and living area, etc. , so that the regional function is clear, and appropriate greening.

5. All kinds of signs and warning signs are complete.

6. There are special drainage systems and waste dumps around to ensure that engineering wastewater and waste will not pollute the natural water system and farmland.

7. Establish the production workshop of steel bar feeding, storage, blanking and molding assembly line.

8. Make binding tire molds for the bottom, web reinforcement and surface of composite beams to ensure the accurate position and overall dimensions of beam reinforcement.

9. A reasonably designed hanger ensures that the pre-tied steel skeleton will not deform during hoisting.

10. Set up a special anchorage warehouse and keep it absolutely dry and clean. Anchorages should be classified and stored, with a special person in charge, and the accounts of warehousing, distribution and inventory should be clear; The factory certificate, sampling certificate and other quality certificates are complete.

1 1. Set up a special steel strand warehouse. Steel strand should be stored overhead, with a special person in charge, and the accounts of warehousing, distribution and inventory should be clear; The factory certificate, sampling certificate and other quality certificates are complete.

12. The internal model hydraulic equipment workshop is divided into two parts: spare parts warehouse and repair room. Spare parts warehouse spare parts are stored by shelves, the warehouse is clean and tidy, the accounts are clear, and someone is responsible; The tools in the workshop should be neat, clean and free of oil pollution, and smoking is prohibited.

13. The tool room is equipped according to the professional type of work: it is divided into steel worker's tool room, formwork worker's tool room, concrete worker's tool room, pipe grouting worker's tool room, etc. The tool room is dry and clean, the tools are neatly arranged, and there are benches for workers to rest.

14. Precast product storage areas and sanitary platforms should be leveled and compacted, with good drainage system, and should not be located in low-lying places where water is easy to accumulate, and meet the requirements of flood control in flood season.

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