First, electrical engineering

1. The electrical product materials must be qualified products that meet the relevant standards, and the electrical construction personnel should hold certificates.

2. The electrical wiring should adopt the dark pipe laying. The wire should not have knots and kinks in the pipe. It is forbidden to bury the wire directly in the plastering layer.

3, "Fire line into the switch, the zero line into the lamp", socket wiring, facing the socket should meet the "left zero right fire, grounding on the" provisions.

4. The switches and sockets are securely installed, the position is correct, the cover is positive, the surface is clean, and it is close to the wall. There is no space around and the height of the same room switch or socket is the same.

5. After the completion of electrical construction, the necessary tests such as: electrical power, lighting test, switch test control, etc. should be performed.

6. When the project is completed, it shall provide the household with a schematic diagram of the wiring work, indicating the direction of the conduits for the conductors.

Second, sanitary appliances and pipeline installation

1. The types, specifications and colors of sanitary appliances should meet the requirements of design and households, and the quality of products such as pipes and fittings should comply with current standards.

2, the pipeline installation should be horizontal and vertical, laying a solid, slope meet the requirements, switches, faucet installation is flat, easy to use, clear tube brush rust coating, dark pipe brush tar removal.

3. The water supply pipe and its accessories are tightly connected and there is no leakage through the water pressure test.

4. The drainage pipeline should be unobstructed, no backslope, no clogging, no leakage, and the floor drain should be slightly lower than the ground.

5. Sanitary appliances are installed firmly, with good appearance and no damage.

Third, ceiling project

1. The types, specifications and colors of the materials used in the ceiling project shall be designed according to the design and the requirements of the households, and shall comply with the current standards.

2. The ceiling keel of the ceiling shall not be distorted or deformed. The installed ceiling keel shall be solid and reliable, with an allowable deviation of ±5 mm around the perimeter.

3, light fixtures can be hung on the main keel, the weight of more than 3 kilograms of lamps or ceiling fans shall not be linked with the ceiling keel, hooks should be set up.

4. The ceiling panel and the keel should be connected tightly, the surface should be flat and there should be no defects such as pollution, splitting, missing edges, falling corners, hammers, etc., and they should be even and consistent, the beading should be straight, no warping, and the panel should be Walls, curtain boxes, lamps and other junctions should be tight.

5, the paper plaster cover panel generally used 9 mm thick, with galvanized screws fixed on the keel, nail head should be painted rust paint. The affixed cover panel must not be delaminated, and the cover panel of the shelf must not be leaked, penetrated or warped.

Fourth, doors and windows, sealing balcony project

1. The specifications of the doors and windows, the opening direction and the installation location should be in accordance with the design and household requirements and comply with the current standards.

2. The quality of doors, windows and accessories must conform to the current standards. Aluminum alloy doors and windows should be made of stainless steel or galvanized zero accessories.

3, doors and windows must be installed firmly, horizontal and vertical, uniform height, appearance, no deformation, open welding, fracture phenomenon. Frames and form gaps should be filled with full dense, smooth surface, no cracks, anti-corrosion treatment must comply with relevant requirements.

4. The door and window fan should be flexible, without block and rebound. Hardware accessories should be complete and correct.

5. After the doors and windows are installed, the surface should be clean, with no scratches, bumps, or rust on the large surface. The coated surface is smooth, uniform in thickness, and free from porosity.

V. Decorative panel (brick) engineering

　 1. The varieties, specifications, colors and patterns of stone and wall tiles shall meet the requirements of the design and households. The surface of the veneer shall be free from defects such as scratches and missing corners. Do not use expired and agglomerated cement as cement.

2. Stones and tiles should be inspected for their specifications and colors before construction. Tiles should be reduced as much as possible, and the use of the site should be suitable. When there are protrusions, they should be cut according to the regulations.

3, stone paving should be flat and solid, joints straight, no skew, no pollution product and plasma marks, clean surface, color coordination.

4. Wall tiles should be flat and solid, with clear patterns, no dirt product and no traces of grime. The surface color is basically the same, the joints are uniform, the plates are free from cracks, drop angles, and lack of edges. The local empty drums must not exceed 5% of the total number.

5. The floor of the kitchen and toilet shall be in contact with the wall. It shall be turned upwards and not less than 250 mm above the ground. The surface water layer of the ground surface drains to the ground, and it does not flow backwards or water, and there is no leakage during the 24-hour storage experiment.

6. The material, structure and pattern of wooden floor should meet the requirements of design and households. The moisture content of wood should not exceed 12%.

7. The laying direction of the strip wood flooring can be used to solicit the opinions of users. Generally, the corridors and aisles should be laid in the direction of walking. The indoor rooms should be laid out along the light. A 10 mm gap should be left between the wooden floor and the wall and covered with a Skirting Board.

8, wooden board surface layer must be nailed firmly no loose, paste firmly empty drum, surface polished, blunt planing marks, flaws and burrs and other defects.

9, wood surface layer, the gap between the plate is basically tight, the joint position is staggered; mosaic wood surface seam alignment, sticky, nail tight. No cracks, warping, no significant color difference in surface cleanliness.

10, wooden Skirting joints tight, smooth surface, the height of the same thickness of the wall.

Six, fine wood products engineering

1. Fine wood products (curtain boxes, heating covers, wood retaining walls, wooden cuts, package doors and door covers, window covers, skirting boards, floral ornaments, decorative lines) and keel, lining boards and fabrics for fixed furniture should conform to design and household The request. The moisture content of wood used for fine wood products shall not be greater than 12%. The external materials used shall not have dead knots, insect eyes and cracks.

2, fine wood products and grass roots must be studded firmly, no loose. The liner and the panel must be firmly bonded and no layering or druming may occur.

3. The sill plate and curtain box are firmly connected with the base body, the surface is flat, the edges and corners are square, and the lengths outside the window holes on both sides of the window sill must be the same, and the sill plates or curtain boxes in the same room must have the same elevation.

4. The surface of the wood retaining wall should be smooth and clean, with square edges and corners, straight lines, and uniform colors, and no crack opening and no opening of glue can occur. It is seamless with the baseboard. The skirting board should be straight, clean and smooth, and the thickness of the wall should be the same.

5, hanging mirror line, top corner line and other wood decorative line docking, should use 45 degrees plus plastic slope, joints shall not have the wrong seam, from the joint phenomenon. The decoration line is required to be straight and even, close to the wall, and close to the circle.

6. After the cabinet and wall cabinet are installed, they shall be firm and the doors shall be opened flexibly.

7. After the fine wood products are painted, they should be smooth, brushless, uniform in color, and free from glue marks.

Seventh, paste project

1. The variety, color and pattern of wallpaper and wall covering should meet the requirements of design and households. The adhesive should be selected according to the types of wallpaper and wall covering.

2. The substrate of the paper-removal project should be dry, the surface should be smooth, and the seams of the base materials of different materials should be pasted with joints.

3, the base putty should be solid and strong, can not afford skin and cracks, paste the base layer should be brushing varnish for sealing treatment.

4, yin and yang feet vertical, angular, glaring at the corner of the sun, no joints at the corner.

5, wallpaper, wall cloth must be firmly attached to the surface, the same color surface, no air bubbles, hollowing, cracks, Alice, wrinkles, stains and adhesive marks. Each piece of mosaic is horizontal and vertical, with no formal seams at a distance of 5 meters.

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