The transportation speed should be stable and slow in the traction process.

2.

The weight of precast modules shall be calculated before hoisting, transportation and assembly.

There shall be no honeycomb, pitted surface, cracks, holes, exposed reinforcement and other defects.

Maintenance channels must be reserved for main equipment and precast modules; There should be a reasonable maintenance distance from the wall, column, beam, top and equipment.

During production, transportation, storage and assembly, measures shall be taken to prevent damage or corrosion of precast modules.

[description] the precast modules of equipment and pipelines have the inherent characteristics of irregular shape.

Mechanical and electrical installation prefabrication and assembly technology, that is, the integration of equipment and pipeline assembly, is one of the new technologies in the current construction industry, which has been widely used.

The mechanical and electrical equipment, pipes, valves, accessories and other materials required for the processing of precast modules must have quality certificates, and the specifications, models and technical parameters should meet the design requirements.

Integrated construction process of equipment and pipeline assembly the integrated construction of equipment and pipeline assembly shall comply with the following provisions 1 During the production, transportation and assembly of equipment and pipeline prefabrication modules, special production, transportation and assembly plans shall be formulated.

4.

3.

3.

For key lines and key nodes in precast construction, on-site prefabrication can be adopted.

Before the production of equipment and pipeline prefabrication modules, the construction unit shall organize deepening designers to disclose the deepening design documents to the manufacturer.

Interpret the process flow and key points with pictures and texts for your reference and implementation.

3.

The surface is flat and the appearance quality is good.

4.

The specification, appearance and size of precast modules shall be accepted; The package should be intact, and the surface should be free of scratches and damage.

The distribution and transportation of precast modules of equipment and pipelines shall meet the following requirements 1 The site transportation roads and the stacking yard of equipment and pipeline prefabrication modules should be flat and solid, and there should be drainage measures.

When dividing the precast modules, we should focus on the transportation and hoisting conditions of various precast modules.

3.

The factory production of equipment and pipeline prefabrication modules shall meet the following requirements 1 The manufacturer shall have production process facilities and test and detection conditions to ensure that the equipment and pipeline prefabrication modules meet the quality requirements.

2.

[description] the first piece acceptance system refers to that when the precast modules or new precast modules with complex structures are produced for the first time or re produced at a long interval, the manufacturer must jointly carry out the first piece acceptance with the construction unit, the design unit, the construction unit and the supervision unit to confirm whether the production process of this batch of precast units is reasonable and whether the quality is guaranteed.

Equipment and pipeline prefabrication modules mainly include precast circulating pump unit module, precast pipe unit module, precast pipe section module, precast support and hanger module, etc.

For the horizontal transportation of large equipment and pipeline prefabrication modules in the machine room, it is advisable to set up profile steel tracks between the equipment foundations, and carry out horizontal transportation by means of special handling tools and winch traction.

on the precast modules, they should meet the requirements of the product instructions.

4.

2.

Detailed design drawings include equipment foundation and drainage ditch layout, electromechanical equipment layout, electromechanical pipeline comprehensive layout, and processing and assembly drawings of equipment and pipeline prefabrication modules.

Lifting Foot Anchor

The deepening design of equipment and pipeline assembly integration shall comply with the following provisions 1 When deepening the design, we should comprehensively consider the construction, structure, decoration and other related disciplines in the equipment and pipeline assembly construction area.

4.

Relevant quality certificates shall be issued when the precast modules of equipment and pipelines leave the factory.

Before equipment and pipeline precast modules leave the factory, they should be uniquely coded and identified by tracking QR code or RFID chip.

The assembly and construction of precast modules of equipment and pipelines shall meet the following requirements 1 The equipment foundation shall be pre inspected before assembly, and installation can be carried out only after it is qualified.

Mass production can be carried out only after the joint acceptance is qualified.

The concentricity adjustment of the water pump and motor in the precast module shall meet the relevant technical requirements; If there are no requirements for the installation design of valves, pressure gauges, thermometers, drain pipes, etc.

5 after the equipment and pipeline prefabrication modules are divided into groups, the feasibility analysis and checking calculation of the whole process of the prefabrication modules should be carried out, and the relevant requirements of transportation, hoisting and assembly should be met.

Before deepening the design, the specifications, models and technical parameters of the equipment and materials required for processing and production should be determined, and the detailed rules for the sample requirements of special equipment and materials should be prepared, and the manufacturer should provide detailed samples of products.

All equipment and pipeline prefabrication modules shall be inspected and accepted when entering the site, and shall be checked and confirmed by the supervising engineer.

Before horizontal transportation, the orientation and transportation route of the transportation starting point should be reasonably planned according to the final position and direction of the equipment and pipeline prefabrication module; The transportation route should not be turned many times, and the orientation of equipment and pipeline precast modules should not be adjusted during transportation.

Deepen the design in strict accordance with the samples provided by the equipment and material manufacturers, and BIM Technology should be used to build the model.

2.

5.

The lifting device shall be safe and reliable, the lifting and binding shall be stable, the main bearing point shall be higher than the center of gravity of precast modules, and measures shall be taken to prevent the distortion or deformation of precast modules.

2.

The strength, coordinate, elevation, size and bolt hole position of foundation concrete must meet the design or manufacturer’s technical requirements.

7.

The first piece acceptance system should be established for the production of equipment and pipeline prefabrication modules, and the subsequent batch production of precast modules can be carried out only after the construction unit organizes relevant personnel to pass the acceptance.

6.

Large mechanical and electrical equipment without prefabrication of overall equipment and pipelines should be placed in place in advance according to the equipment layout and measures should be taken to protect the finished products..

The processing and production of equipment and pipeline prefabrication modules should be divided into factory prefabrication and on-site prefabrication.

When deepening the design, a reasonable division of equipment and pipeline prefabrication modules should be carried out according to the requirements of relevant design specifications, combined with the comprehensive layout of pipelines and transportation and hoisting conditions in the construction area.

The road for transportation vehicles to enter the construction site shall meet the transportation requirements of precast modules.