To what extent does the civil engineering do the hydropower installation before the embedding

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I think that hydropower and civil engineering go hand in hand, and from the foundation, we must start the welding of lightning protection and grounding. Water supply should be reserved in the foundation wall. Reserved for firefighting, etc. Hydropower is carried out in conjunction with civil engineering, from the start of construction to completion.

At the same time of building construction, freeze is reserved, and line pipes are buried in the floor and wall.

There are many precautions when hydropower is a hidden engineering project. Otherwise, it will be very troublesome to change it in the future! For our new house decoration, hydropower renovation is the most important construction project, but for many novices, they don't know much about many precautions in hydropower transformation.

Therefore, due to their own negligence, there will be problems that affect us in the later stage, so what are the precautions for landfilling water and electricity for new house decoration? The on-site control of the material should be strengthened, and attention should be paid to inspection: the outer wall of the flame retardant plastic pipe should have continuous flame retardant marks and the manufacturer's logo, and the distance should not exceed 1 meter; The inner and outer walls of the pipe should be smooth, free of bulges, depressions, pinholes and bubbles; The inner and outer diameter dimensions should conform to the national unified standard; And the thickness of the pipe wall should be uniform.

Flame retardant plastic pipe fittings and open flame retardant plastic products, such as various lamp head boxes, switch boxes, junction boxes, socket heads, end fittings, pipe hoops, etc. Must be equipped with flame retardant plastic products. The appearance of flame retardant light boxes, switch boxes, and junction boxes is neat, and the reserved holes are complete, and there is no damage such as splitting.

First of all, the diameter of the embedded pipeline cannot exceed 1 4 of the plate thickness. If the requirements are exceeded, B4 reinforcement mesh should be added along the direction of the embedded pipeline, and the width of the mesh should not be less than 240mm. Three-dimensional crossings should be avoided as much as possible for buried pipelines.

When crossing the three-dimensional crossing, there should be no more than two layers of pipes, and the structure should be reinforced. The pipes embedded in the floor slab must be arranged in the middle of the upper and lower layers of reinforcement mesh. The distribution points of the embedded pipelines should be set up in a radial distribution, and the close parallel arrangement should be avoided as much as possible to facilitate the subsequent construction.

Seal the nozzle with tape to prevent debris such as mortar from falling in and clogging the nozzle. The embedded pipeline must be two points and one line, and cannot be horizontal and vertical. After the renovation of the water pipe, the pressure test inspection of the water pipe must be carried out at the time of acceptance of the concealed project.

Only after passing the inspection, we can proceed to the next project. If there is a quality problem in the middle, it is easier for us to fix it. When the water is in and out of the reheater, the inlet valve must be marked and installed firmly, and the drain pipe of the water heater must be unblocked and discharged outward.

For the location of the faucet of the washing machine, it is necessary to design and install it reasonably. In this way, we can install it in a convenient location. Thick-walled steel pipes (wall thickness >> 2mm) must be used for pre-embedded pipes or meet the requirements of PVC pipes, and thin-walled steel pipes cannot be used instead of thick-walled steel pipes.

Strengthen coordination and cooperation with civil engineering and other related professions, clarify the elevation of the outdoor floor, and ensure that the buried depth of the embedded pipe is not less than.

Pay attention to the positioning problem, pay attention to the template problem, be sure to understand the way of confirmation, understand the fixing situation of the embedded pipeline, pay attention to safety matters, and understand the measures to solve it. The cost is relatively low, easy to install, it is to save materials, the processing cycle is relatively short, the permeability is relatively large, there is no way to fix the water pipe, and there will be poor contact.

The civil engineering hydropower pre-embedding is considered to be the end of the pre-embedding and the installation is started.

Civil engineering hydropower pre-embedding to which step is considered the end of the embedding, before the start of installation Hello dear, hail Jiankai construction site electrician pre-embedding is to put the pipeline, circuit wiring in accordance with the pre-designed drawings one by one correspondence operation. Embedding is divided into two categories: 1. Foundation and shear wall embedding.

Generally, the pre-source burial of the pre-source of the construction and installation project starts with the foundation grounding, and the welding work of the foundation grounding must be done at this time, and the actual construction must be checked from beginning to end according to the foundation grounding drawings to see if there is any omission or the welding lap length is not enough, and there is virtual welding. Second, the roof embedded: the roof embedded is also the largest part of the embedded engineering volume, it includes strong electricity, fire alarm, integrated wiring and other systems, large amount of piping, tight construction period, easy to make mistakes, which requires the early stage of construction must be prepared, reduce the mistakes that should not be made.

How to look at the embedded diagram of hydropower at the extended information site: First, look at the general description, the model and material of the embedded casing will be given, such as the shear wall in and out of the basement, the board, and the pool are flexible waterproof casing, and other places are rigid waterproof casing or ordinary casing. 2. Look at the system diagram, the size of the casing diameter and the installation elevation will be given.

3. Looking at the sample drawing and the well diagram, the coordinate position of the casing of the riser and various reserved holes will be given. Fourth, look at the floor plan to know the embedded position of the casing. The thickness of the shear wall or floor determines the length of the casing, the length of the casing on the shear wall is calculated according to the thickness of the wall, the length of the casing of the rear masonry wall is calculated by 20mm at both ends of the wall, and the casing of the floor slab is calculated according to the decorative surface of the flat upper part of the floor slab 50mm.

Fifth, if there is a pipeline to be buried, there will be specific practices in the general description. Sixth, bury, look at the fire drawing, know the specifications, models, locations, elevations, reserved hole locations and installation methods of fire boxes, basically the same as water supply and drainage. The above is for reference, I hope it can help you.

Summary. Hydropower pre-embedding not only needs to be buried in the drawings, but also a large part of the construction personnel need to determine the underground pipeline pipeline, wire sheath pipe, lightning protection grounding, junction box, switch socket, support and hanger setting and installation, through the wall through the floor roof pool casing, floor drain rainwater bucket, equipment installation floor, civil air defense ventilation pipe, and all installation-related need to be buried.

Hydropower pre-embedding not only needs to be buried in the drawings, but also a large part of the construction personnel need to determine the underground pipeline pipeline, wire sheath pipe, lightning protection grounding, junction box, switch socket, support and hanger setting and installation, through the wall through the floor roof pool casing, floor drain rainwater bucket, equipment installation floor, civil air defense ventilation pipe, and all installation-related need to be buried.

If it is only buried, how to calculate the first floor? But what percent of the total embedded?

It depends on the scope of your water and electricity, including fire protection? A pre-embedding is the line pipe ,,, is not worth a few dollars, and even the teeth are not satisfied. In the later stage, wires, cables, lamps, water pipes, and water pumps are the main ones. Less than 5%.