For home improvement designers, it is more urgent to understand the issues that need attention during the decoration process, as well as the standards of the process. Here, Xiao Bian has collected attentions for the hydropower reform process and hopes to bring you more help in your future renovation.
Precautions for renovation of hydropower during decoration
First, kitchen waterway reconstruction
The transformation of the waterway in the kitchen mainly includes faucets and water heaters. The average family uses a water heater shared by the kitchen and the bathroom. Therefore, when the waterway is reformed, the water heater must be installed so that the location of the hot and cold water pipes can be determined and the waterway can be reconstructed. .
When installing, pay attention to the same height of the hot and cold water nozzles. The nozzle should be two centimeters higher than the wall. The distance between hot and cold water pipes should be 15 cm. This standard should be strictly enforced. The cold and hot water pipes are all in the wall. The groove depth must be checked when grooving. Hot and cold water pipes can not be the same. Electric water heaters generally need to be fixed on the load-bearing wall. If the situation is special, fixed brackets should be fixed on the non-load-bearing walls, and the top layer should have enough positions for the fixed brackets. It is necessary to communicate with the water heater manufacturers in advance to determine the location of the water heater outlets. .
Second, the bathroom waterway transformation
The content of the transformation of the bathroom waterway is relatively high. The installation positions of the wash basin, toilet, bathtub and washing machine, and the need for hot water pipes must be well thought out. The drains of the drains must be handled in place, otherwise the backwater phenomenon will be caused later. Water meter installation position should be convenient for reading, water meters, valves from the wall to the appropriate distance, to facilitate the use and maintenance. The water inlet of the toilet bowl should be placed where it can be blocked by the toilet. One-piece toilets should be based on the model to determine the location of the outlet, generally left in the center of the toilet outlet 200 mm left.
Third, the transformation of the living room circuit
The wiring lines that need to be installed in the living room include power lines, lighting lines, air conditioning lines, television lines, telephone lines, computer lines, and doorbell lines. The position of the wire needs to be considered in advance, and the reserved work is done. Generally speaking, it is necessary to leave a telephone line at the edge of the sofa, and to leave a doorbell line at the inside of the door. The water dispenser, humidifier and other devices are reserved for power. In general, living rooms should have at least five power cords. Air-conditioners, DVD players, and other devices that are not in the standby state are best equipped with switch socket panels so that they can be switched off when not in use and will not waste electricity.
Fourth, the bedroom circuit transformation
Bedroom circuit transformation generally includes power lines, lighting lines, air conditioning lines, telephone lines and computer lines. Reserve a power cord at the top of the bedside table and use a 5-hole patch panel with a switch, which can reduce the trouble of not switching on the bedside light. Above the dresser should be reserved for power wiring (hairdryer); In addition to consider there should be reflector lamp above the mirror, plus a switch beside the box; bedroom lighting is best to use dual control switch, one installed outside the bedroom door, another A switch is installed on the upper side of the bedside table or on the bedside where it is easy to operate, so that at night it is not necessary to get up and go to the bedroom door.
Decoration and hydropower reform program
First, the water reform program
1) Casing embedding: The size, location, and placement method of holes (casings) are determined by professional technicians according to the drawings. The geotechnical technician determines the reinforcement measures and construction according to the size of holes (casing) and the requirements of holes (casings). Method, after jointly preparing the construction submission, the project engineer will perform the review and approval. The reserve of holes (sleeve) is to be coordinated with civil engineering construction by dedicated personnel. After completion, it is jointly reviewed by professional technicians and civil engineering technicians.
2) Production and installation of steel casing: Determine the casing size and length according to the thickness of the structure to be worn and the diameter of the casing. The casing diameter is larger than the diameter of the pipeline, and the length must be kept flush with the finish at both ends. The casings in the rooms with waterproof requirements and the casing in the kitchen are 50mm above the finished floor and 20mm higher in other rooms. After the cutting, the sleeve is brushed with antirust paint and used as a backup. During installation, the casing is fixed at the installation site, and iron is welded and tied tightly with iron wire. When embedding the upper and lower casings, the centerline should be vertical. After the installation of the pipeline, the gap between the casing and the pipeline shall be filled with fire-retardant dense material and waterproof ointment, and the end surface shall be smooth.
3) Production and installation of waterproof casing: Prefabricate processing according to the requirements of the design or construction installation atlas, and use anti-rust paint as a backup. Prior to the pouring of concrete, the waterproof casing shall be fixed according to the position of the drawings. After the joint inspection of the position and elevation by qualified technicians, quality inspectors and civil engineering technicians, the pouring shall be performed, and once pouring is completed.
Second, the construction method
1) Bridge installation: Determine the laying position and direction according to the design drawings, distribution box (cabinet) and electrical appliances. Position the bullet line and determine the fixed position of the hanger. The distance and connection method between the vertical trunk line and the branch trunk line should be considered when laying in the shaft. Inlet and outlet openings use mechanical hole openers. The inlet and outlet pipes are made of wire. When the bridge is put into the box, box or cabinet, the incoming and outgoing lines, etc. shall be connected at an angle and be fastened with bolts. The pipe branching from the bridge shall be fixed with a locking mother and a bridge, and the pipe plus the bracket shall be fixed within 300 mm from the opening. The metal bridge joints should be flush with each other, with locking nuts at the joints of the pipes. The guard holes are complete, and both ends of the connecting plate are bolted with flat washers and lock washers.
2) Support and hanger installation: When the bridge is laid horizontally, the span should be 1.5~3m according to the load curve, and when it is laid vertically, the fixed point spacing should be 2m, within 500mm of the three ends of the access junction box, box, cabinet, corner and turning joint. Set a fixed support point.
3) Fireproof plugging: Fireproof plugging in the shaft and across the bridges in different fire zones. The plugging material uses fire blocking materials or fireproof pillows.
Electrical renovation program
a) Construction process
1) Pipe laying process flow: construction preparation → prefabrication → pipeline, electrical box mark → pipeline, electric box positioning → pipeline connection → pipeline, electric box reinforcement → ground connection
2) Pipe laying process flow: construction preparation → prefabrication → pipeline, electrical box marking → pipeline connection → ground connection
二) Construction Method
1) Pipeline bend: The pipe expander is used for small diameter pipes and the hydraulic pipe expander is used for large pipe diameters.
2) Cut off the pipeline: Use a hand saw for the small diameter and a tube cutting machine for the larger diameter.
3) Dark tube and box fixing: fixed in the board, the wooden mold is nailed and fixed by nails and thin wires. The steel mold is fixed with high-grade cement mortar. The wall and pole boxes are fixed by lashings. The pipeline is fixed with steel wire and steel reinforcements, with a fixed spacing of 1 meter, and 150 mm in the side of the cable box for strengthening and binding together. The fixed pipe pipe clamp spacing is: the distance between the pipe clamp and the middle, the middle of the turn, the edge of the device or the box is 150-500mm, and the distance between the middle pipe clamps is set according to Table 14.2.6 of the “Construction Quality Acceptance Specification for Construction Electrical Engineering†GB50303-2002. . The number of line tubes entering the lamp box and switch box exceeds 4 large boxes;
4) Lay out the electrical pipeline laying: When piping, pay attention to the bend radius of the pipeline is not less than 10 times the outer diameter of the pipe. The length of the pipeline shall be ≥ 30m when there is no bend, ≥ 20m if there is one bend, ≥ 15m if there are two bends, and ≥ 8m if there are three bends. Single-segment pipeline layout can not appear four bends. The pipes embedded in the concrete wall or the ground shall be tightly attached to the inside of the steel bars and fixed by the reinforcing bars to minimize the overlap height. It should be noted that the pipeline must have at least 15 mm protective layer.
Summary: The above is the decoration and hydropower renovation program that Xiaobian introduced for everyone. By the way, it reminds us that because hydropower is important for family life, we must attach great importance to it. For more information, please pay attention to this website.
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Surface resistance: 1.0×105 ~1.0×108Ω
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≤3.1
|
Project |
Performance |
|
Compressive strength (3 days)
|
≥40Mpa |
|
Compressive strength (28 days) |
≥90Mpa |
|
Bending strength (28 days) |
≥13.5Mpa |
|
Non burning, do not explode, not flammable |
|
|
Fire class |
A1 level |
|
Wear resistance(750g/500r) |
≤0.03g/ãŽ2 |
|
Hardness (Mohs) |
≥7 |
|
Surface strength (indentation diameter mm) |
|
|
Oil resistance oil seepage |
＜0.3mm |
|
High temperature |
+200℃ |
|
Freezing type |
-40 ℃ (Freeze-thaw 25 times after the
specimen without cracks, corner off defects, the rate of strength loss |
|
Bond strength(28days) |
≥2.0Mpa |
|
Skid resistance (wet and dry friction coefficient) |
≥0.5 |
|
Air cleanliness |
N7 ~ N9 level |
Green No harmful radioactive, no harmful volatiles, no pollution
Non-Flammable Ground Hardener,Non-Flammable Carborundum Floor,Anti-Static Carborundum Floor
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