1. Carpentry
1. Door frame and cover:
A. Make a horizontal line
B. Use an electric hammer to drill holes no smaller than 10mm, the depth is not less than 50mm. The spacing is not more than 350mm.
C. Use drying wooden wedges to harden and nail into the holes (wedge head with construction glue), and use a planer to cut the area higher than the wall surface.
D. Nail the door frame with block board (the top plate is pressed against the two side panels), and nail the joint (specifications according to the design requirements) to install the jaw
The edge should be no less than two layers thin Carpentry board.
E. The door frame is embedded in the original door opening, and is fixed horizontally and vertically on the wooden wedges with iron nails or wooden screws. The uneven areas are filled with wooden strips or plywood. If the original door opening is not vertical, use cement mortar or gypsum powder to make it vertical.
F. Use a nine-centimeter board for the door stop. Or 9mm density board, nailed to the large core board with glue. (It is strictly forbidden to use small wooden strips to directly make door rails)
G. Plywood or other decorative panels, solid wood Wire-closing the door (specifications according to design requirements). After closing, the wooden wire must be nailed with glue and nailed to prevent it from loosening.
H. When closing the oil-containing solid wood, the wooden wire and frame edge must be inverted and closed. The back wood line must be nailed with glue and nailed to prevent it from loosening.
2. Suspended ceiling:
A. Square pine or fir (specification 3*5), planed on all four sides. Apply fire-retardant coating.
B. Lay out wires according to design requirements.
C. Use electric hammer to drill holes, no less than 10mm, depth no less than 50mm, spacing no more than 50mm
D. Use drying wooden wedges to harden and nail them into the holes (wedge heads with construction glue), and use a planer to cut the parts above the wall flat.
E. Nail the frame according to the design requirements. When making shapes, the spacing between the frame grids should not exceed 40mm,
F. Use wooden hanging bars to fix the frame, and the spacing between the hanging bars should not exceed 700mm (it is strictly forbidden to let the wooden hanging bars directly enter the eyes),
G , gypsum board, fixed to the wooden keel with self-tapping screws, the depth of the self-tapping screws into the wooden keel should not be less than
15mm. The spacing should not be greater than 250mm.
H, use gypsum as much as possible on the side and bottom surfaces. board cover to avoid cracking due to different materials.
3. Furniture:
A. Cut thin wooden boards according to design specifications,
B. Inner Stick the corrugated sheet or polyboard on the side.
C. Use nails, wood screws or accessories to assemble according to the design drawings (must have glue).
D. Plane the side and stick it on the back Nine-centimeter board or five-centimeter board, with corrugated sheet or polygon board on the inside.
E, the front opening and drawer sides are closed with solid wood.
F, the outside is decorated with adhesive tape Three-ply board with solid wood closing.
G, full solid thin board or strips, double-sided sawing and half spacing shall not be greater than 200mm, double-sided decorative board with glue and pressing time shall not be less than 48 hours
< p>H, 25mm thick solid wood closing on all four sides of the doorI, doors higher than 1000mm must be equipped with jaws, and the door seams are required to be even and without deformation
J, TV or other load-bearing The countertop must be double-layered blockboard
K, cabinet without doors, solid wood closing with decorative board inside
L, wooden moldings fixed with pattern nails and glue
M. Furniture cabinets can also be directly whitewashed with mixed oil
4. Pave the base layer of wooden floor:
A. Place horizontal lines according to the thickness of the floor
B. Place the keel lines according to the size of the floor (the spacing should not be greater than 300mm)
C. Use an electric hammer to drill holes of not less than 10mm and a depth of not less than 50mm. The spacing should not be greater than 350mm.
D. Use drying wooden wedges to harden and nail them into the holes (wedges with construction glue on the head), cut the parts above the wall flat with a planer
E, and plan the wood on all four sides (the specifications are based on the required requirements) Use nails or wood screws with construction glue to fix, and the depth into the wooden wedge should not be less than 40mm (level it according to the horizontal lines of the four sides)
F, spread it with moisture-proof and insect-proof materials
G, use thin wooden boards Or 12mm boards are fully paved, and no less than 6mm expansion joints must be left at the joints
5. Kitchen cabinets:
The structural panels of the kitchen cabinets are made of trihydropolyurethane boards, and the mechanism Wia fireproof panel door. The lower openings of kitchen floor cabinets and bathroom floor cabinets must be made of marble or floor tiles or other waterproof materials as skirting lines. The space between the floor and the wall must be sealed with glass glue or special sealant. Sealing measures must be taken between the basin, sink, built-in stove, etc. and the countertop.
6. Partition wall:
Wooden keels are planed on all sides (or light steel keels) to make the frame. The spacing is no more than 400mm. Paint with fire retardant paint, 9mm thick gypsum board or 5mm thick cement. Pressure plate (hanging net on the surface, plastering)
7. Insulation wall:
Wooden keel planed on all sides (or light steel keel) to make frame, spacing not more than 400mm, brushed with fire protection Paint, 9mm thick gypsum board or 5mm thick cement pressure board (surface hanging net, plaster), built-in rock wool or polystyrene board
8, footing line:
Electric hammer Drilling holes must be staggered, use nine-centimeter board or medium-density board as the base, decorative board cover, solid wood closing
9. Solid core door:
Blockboard as the frame, exterior decoration Surface plywood, solid wood closing (according to the drawing), blockboard with transverse grooves, about half the depth. The seam gap is 300mm or diagonally 45 degrees, the staggered seams are slotted, the depth is less than about one-third, the seam width is less than 300mm
10, bathroom and kitchen risers:
Wooden The keel is planed in all directions, painted with 5mm waterproof coating, an iron mesh is hung on the cover of the cement pressure plate, and plastered
II. Masonry:
1. Wall tiles (soaked in water for 20 minutes):
A. If there is a lime layer on the original wall, the lime layer must be removed
B. Use 108 glue and cement slurry to roughen the wall
C, level the horizontal line, and check that the wall is vertical and the corners are square. Make sure that after the wall tiles are pasted, the wall is vertical and the corners are square
D. Turn the entire brick downward from the ceiling line and install it from bottom to top
E. The wall tiles at the corner joints should be no less than half a brick, and the bricks are generally patched to an inconspicuous place
2. Floor tiles (soaked in water for 20 minutes):
A. Lay the tiles symmetrically on the ground
B. Lay the tiles from the exposed side
C. Dry and hard paving method (first use semi-dry cement mortar for base leveling, and then hang the cement mortar on the back of the floor tiles for paving)
D. The external corners of the wall tiles must be clear at 45 degrees, and the wall tile caulking should be white. Cement (caulking agent)
E. A layer of cyanide condensate asphalt must be brushed for waterproofing before laying the floor in the bathroom and kitchen. The wall should be waterproofed 300mm above the ground. The wall with cabinets on the other side of the wall should be waterproofed. To the top.
F. Before laying floor tiles, the base layer should be cleaned and watered to moisten it. They can only be installed when there are no obvious water marks on the ground.
G. Kitchen, bathroom, balcony The floor should be 1-2cm lower than the floor in the hall. If there are no special requirements, marble or mirror floor tiles should be used as water retaining boards between the kitchen and bathroom floors and the floor of the room or hall. The elevation should be the same as that of the room or hall. The ground elevation and width should be the same as the door cover or other
3. Painter:
1. Paint the wall with latex paint
A. Remove the original paint
p>B, 108 glue or alkyd varnish for back sealing
C, Insulation board, wire trough, cracked area, use solid cloth (bandage, kraft paper) to paste
D, Level the entire batch with talcum powder or putty powder three times
E, roll latex paint two to three times
F, ceilings and partitions must be treated with iron rust prevention
< p>2. Varnish the wood surface:A. Sand the entire surface and clean the stains
B. Apply primer, patch holes and seams
C , Sanding - Cleaning - Primer - Sanding - Primer - Sanding - Find nail holes and cracks - Sanding - Double-sided paint twice
3. The wood surface should be mixed with oil (it is recommended to close the edge wood lines And the design should be as simple as possible to avoid affecting the paint effect):
A. Sand the entire body and clean up stains
B. Use putty to caulk and nail holes
C, sanding, three coats of adhesive putty for a full batch
D, sanding, two coats of primer spray,
E, polishing, leveling, two coats of topcoat
>Four. Hydraulic:
1. If there are no special requirements in the design, the water supply pipe shall be 15 plastic aluminum pipe and the hot water pipe shall be 15 plastic copper pipe.
2. The distance between the water supply pipe and the gas pipeline should be no less than 50mm
3. A pressure test must be carried out before the water supply pipe modification is completed and concealed. If there is no leakage after the pressure test for 20 minutes, it can be concealed
4. Valves should be installed in front of the water inlets of water tanks, washbasins, vegetable sinks, water heaters and other water equipment, and valves should be installed at the outlets of hot water
water heaters
5. Washbasins, wash basins, etc. Hot and cold water joints such as vegetable pools should be installed below, hot on the left and cold on the right
6. The drain outlet of the bathtub should be aligned with the mouth of the sewer pipe, and inspection holes should be left (leave 4-6 spare tiles)
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7. If the diameter of the drainage pipe of sanitary appliances is not specified in the instructions, it must comply with the following regulations: washbasin 32-
50, vegetable sink 40-50
8 , If there is no provision in the instructions, expansion bolts should not be used to install the toilet, and the base should be fixed with cement
9. Protective measures should be taken for the installed sanitary appliances
10. The waterway transformation is completed Finally, the waterway diagram should be provided to the owner before acceptance
5. Electrician:
1. PVC pipes are used for circuit laying, and wall grooves must be made with a cutting machine and wires are threaded in the pipes. For: The photo shows BV1.5, the socket is BV2.5, the air conditioner is BV4, and when both a bathroom heater and an electric water heater are installed in the bathroom, BV4 should be used, otherwise BV2 should be used. .5
2. In the suspended ceiling, the position where the downlight is installed must be connected with a wire box
3. After the circuit modification is completed, the phase and zero, phase and Conduct insulation resistance test between ground, ground and zero. The insulation resistance value should not be less than 0.5M ohm. If multiple circuits are laid in the same pipe, the insulation resistance test must be carried out between the lines in the same pipe. Insulation test. After the insulation test, a power test should be conducted on each power point (light, socket), and finally a leakage protector test trip test should be performed at the farthest point of each circuit
4. If there are no special circumstances, the wire It must be laid concealed through the pipe. The total cross-sectional area of ??the power cord in the pipe does not exceed 40% of the inner diameter of the pipe. Strong and weak wires must not be laid in the same pipe or enter the same junction box. There should be no joints or twists in the conductors inside the pipe.
There is a margin left in the conductor city line box, and the length should be 150mm
5. Protective measures should be taken when electrical pipes cross doorways and other places that are frequently moved during construction
6. The distance between electrical circuits and steam and hot water pipes should be greater than 500mm, and the distance between them and other pipes should be greater than 100mm
7. Electrical pipes must not be bent at right angles
8. If there are no switches and sockets in the same room, Special requirements: they should be installed at the same elevation, and the top elevations of rows of switches and sockets in the same place are the same
9. High-power electrical appliances cannot be installed directly on combustible components
10. Draw a circuit sketch after the circuit modification is completed, and provide the circuit diagram to the owner before acceptance