143 bedroom foundation decoration construction specifications!
I. demolition and reconstruction projects (19 projects)
The home decoration shall ensure the safety of the building structure, and it is strictly prohibited to dismantle, change or damage the main body and bearing structure:
1. It is not allowed to open holes in bearing walls and anti-seismic walls.
2. The original door and window openings shall not be expanded arbitrarily.
3. Floor load shall not be increased arbitrarily.
4. The balcony floor shall not be filled or thickened arbitrarily.
5. It is not allowed to chisel the floor and roof at will.
6. The original structure of kitchen and bathroom shall not be changed arbitrarily.
7. Do not remove the lower wall of the window on the balcony.
8. Projects other than decoration qualification shall not be transformed at will.
9. Before removal, the water outlet shall be protected by professional shielding.
10. The wall shall be demolished gradually from top to bottom.
11. Square steel, channel steel or prefabricated lintel shall be added to the newly built wall or the opening hole of the original wall, and the wall access on both sides shall not be less than 20cm.
12. The new non load bearing wall shall be embedded with expansion bolts on the original wall every 50cm, connected with steel bars or directly planted with steel bars on the original wall.
13. The wall plastering shall be dense, flat, clean and free of pollution, without delamination and cracks. The area of hollowing shall be no more than 40 cm?, and no more than 2 places in each natural room.
14. The plastering thickness ≥ 35mm and the joints of different materials shall be reinforced with steel wire mesh, and the lap width ≥ 10cm.
15. The perpendicularity of the wall face ≤ 3mm, the flatness of the wall face ≤ 3mm, and the square of the internal and external corners ≤ 3mm.
16. The mortar shall be full, the lap joint shall be neat, the upper and lower joints shall be staggered, and the edges and corners shall be neat.
17. The riser of the kitchen and bathroom package shall be made of light brick, and the net shall be hung before plastering.
18. Steel wire mesh hanging process shall be adopted for the new brick wall, and the plastering layer shall be maintained.
19. In case of demolition, it is necessary to clean up the garbage downstairs in time, clean up the site and prepare for acceptance.
II. Hydropower projects (30 projects)
The water and electricity project in the room decoration belongs to the concealed project, and the control of materials and technology shall be strict and rigorous. The priority of water and electricity laying: top, wall and ground.
[circuit part]
1. Set 1m horizontal line, and refer to the height, levelness and subsequent construction process of the socket.
2. No matter whether the power is on or not, there shall be no bare wire on the construction site, and temporary lighting switch shall be set.
3. In general, the line ground laying shall be point-to-point construction, and in special cases, it shall be laid horizontally and vertically.
4. For wall slotting, snap the line before construction, and the width and depth of slotting shall be reasonable and standardized. The length of transverse groove shall not be more than 30cm.
5. The wiring of the distribution box is correct, the main switch is double pole, and the built-in equipment needs to be installed correctly, firmly and completely. The circuit shall be set reasonably.
6. The color of the line is correct. The color selection of single-layer room and general compound line: the phase line should be red, the zero line should be blue, the ground line should be yellow and green, and the light line should be white.
7. For duplex and villa, the phase line and zero line shall be classified according to the specific situation, and the distribution box shall also be reasonably configured.
8. The cross-sectional area of the conductor to be threaded shall not be greater than 40% of the cross-sectional area of the conduit. Weak current single line.
9. The bending part of the line pipe shall be curved with a bender.
10. When more than three conduits are laid side by side, a space of about 1.5cm shall be reserved between conduits.
11. The bottom box and junction box shall be equipped with cover plate, and the reserved wire shall be insulated and bent after adding hose.
12. The outgoing wires such as mirror front lamp and wall lamp shall be equipped with hoses.
13. The distance between strong and weak electricity panels shall not be less than 30cm. The junction of strong and weak current shall be wrapped with tin paper for shielding.
14. The direct part of the line pipe shall be firm without disconnection, looseness, etc.
15. The whole line shall be threaded in the conduit, and no joint is allowed.
16. A lock shall be installed at the connection between the conduit and the bottom box and the connection between the bottom box and the bottom box, and a hose shall be installed between the bottom box and the bottom box. A certain space shall be reserved between the two bottom boxes, and filling and fixing measures shall be taken.
17. The fixed space of ground line pipe shall be within 1m, and the fixed space of wall top line pipe shall be within 80cm.
[waterway part]
18. Plan the laying direction of waterway first, snap the line on the wall first and then slot, and snap the line on the top before construction.
19. Single pipe and single groove are required for waterway laying, and multiple pipes shall not be in the same groove.
20. The water pipe embedded in the wall needs to be completed, and the double entry and villa need to be provided with an access.
21. The laying of water pipes shall follow the principle of upper heating and lower cooling (about 2cm spacing shall be reserved between pipes), left heating and right cooling.
22. When the water pipe passes through the foundation wall, it is required to install a large 1-2 metal casing, which is densely filled and firmly fixed.
23. The distance between the water outlets of the water mixing valve (in the middle) is 15cm. It is recommended to use 15cm integral inner wire elbow.
24. The fixed space of water pipe wall shall not be less than 80com, the top shall be fixed with professional pipe clamp, the fixed space shall not be less than 50cm, and the elbow shall be reinforced within 10cm.
25. After the completion of waterway laying, the pressure test shall be ≥ 0.6MPa, and the allowable pressure drop range within 30 minutes shall be ≤ 0.05Mpa.
26. After water pressure test, connect the hot and cold water pipes with metal hoses.
[hydropower part]
27. The water and electricity pipes shall not be laid in the same groove, and isolation measures shall be taken under extremely special circumstances.
28. When water and electricity are laid on the same wall, the distance between water and electricity pipes shall not be less than 10cm.
29. When the water and electricity pipes are laid on the top, the principle of power supply and underwater shall be followed.
30. Distance between electric wire pipe and gas pipe, water pipe (same plane ≥ 10cm, different planes ≥ 5cm).
III. tile projects (16 projects)
1. Check the squareness of the space and the verticality and flatness of the tiling base.
2. Check and accept the main materials, and record the use area and precautions of the main materials.
3. Make the construction horizontal line and make a reasonable brick arrangement plan for each space.
4. Whether the floor drain is cut in splayed shape, tile arrangement, tile position, external corner strip / 45 ° diagonal, pointing / porcelain joint, acoustic cotton, door and window holes, mosaic, pattern trend, access hole position and other details need to be verified.
5. Hollowing rate: ① the overall hollowing rate shall be within 5%; ② the hollowing area of a single brick shall not be greater than 15% of the whole brick.
6. Flatness: the flatness error of tiling shall be ≤ 2mm.
7. The tiling gap is even, and the pointing is straight and full.
8. The position of the cassette on the wall is correct, the sleeve is cut neatly, and the interior of the cassette is cleaned.
9. No holes are allowed on the waist line, and the height difference between the external corner strip and the ceramic tile surface is ≤ 0.5mm.
10. Use a hole opener for tile opening.
11. The water supply outlet is 3-5mm recessed into the wall brick, and the surrounding area is densely filled.
12. There shall not be more than two rows of non integral bricks on the same wall, and there shall not be wall bricks less than one third of the width.
13. The drainage direction of the toilet floor is correct, the drainage is unobstructed, and there is no ponding, with a gradient of 1% - 1.5%.
14. When paving marble doorstone in the toilet, the gap between the two narrow sides and the door frame of the wall shall be filled with cement mortar.
15. When the thin sticking process is adopted (the floor tile is on the wall), the flatness error within 2m of the base course shall be ≤ 1mm.
16. The ground leveling materials shall be mixed reasonably and evenly, and watering maintenance shall be carried out after completion.
IV. waterproof project (8 items)
1. Deal with the floating dust, gap, hole and burr of the base to ensure the base is firm and flat.
2. Evenly brush the waterproof coating with the cross technique, two times for the wall and three times for the ground.
3. The joint between the wall and the ground, the root of the water pipe, the surroundings of the floor drain and the light wall shall be strengthened.
4. When the ground is slotted and the pipes are running, the waterproof coating shall be applied in the groove first, and then the waterproof coating shall be applied again after the groove is sealed.
5. In the closed water test area, a dam shall be set under the gate / crossing stone, and the gradient shall be extended to the closed water area in an arc.
6. The height of waterproof coating in the wet area of the toilet shall not be less than 1.8m, that in the wash basin and washing machine in the dry area shall not be less than 1.2m, and that in the kitchen shall not be less than 0.3m.
7. The waterproof coating extends to 20cm outside the door, and both sides of the door opening wall extend 30cm high and 30cm wide.
8. The shallowest part of the closed water test shall not be less than 2cm, the closed water time shall be 24 to 48 hours, there shall be no water seepage under the building, and the closed water height shall not be significantly reduced.
5. Woodworking projects (25 projects)
1. Process of light steel keel ceiling.
2. The spacing of light steel keel suspenders shall be ≤ 1m.
3. The distance between the main keel and the auxiliary keel of the light steel keel is not more than 1 m, not more than 40 cm, and the cantilever length is not more than 30 cm.
4. The surface of gypsum board shall be flat, and there shall be no crack, angle drop, angle warping, hammer mark, etc.
5. The gypsum board of the ceiling bottom plate is used to support the side plate, and the L-shaped whole board is used to transition at the corner. When the ceiling elevation is the same as the beam bottom, the gypsum board passes through the beam bottom.
6. The gypsum board and keel are fixed with self tapping screws, with a spacing of no more than 20cm, a spacing of 15cm-17cm and a distance of 10-20mm from the board edge.
7. Expansion joints shall be reserved between gypsum board and board, and board joints shall be staggered.
8. The light steel keel is connected with special connectors for main and auxiliary keels, and the ends are fixed with double rivets.
9. The self tapping screw cap shall not damage the paper surface, and non stainless steel screw cap shall be treated with rust prevention.
10. The ceiling of gypsum board in humid space must be made of waterproof gypsum board.
[light partition works]
11. Under the sweeping keel of the kitchen and bathroom light partition wall, a concrete or brick sleeper belt shall be set, with a height of no less than 30cm and a width consistent with that of the partition wall.
12. Moisture proof treatment shall be done for the installation of light partition wall in damp place.
13. The vertical keel spacing shall be no more than 40cm, one through keel shall be installed for the partition wall less than 3m, and two through keel shall be installed for the partition wall more than 3m.
14. The partition wall cover panel must be installed firmly without delamination, warpage, fracture, edge missing and angle dropping.
15. Facade perpendicularity ≤ 3mm, surface flatness ≤ 3mm, joint height difference ≤ 1mm, and internal and external corner squareness ≤ 3mm.
[wood making]
16. The wood base of the varnish is spliced perfectly.
17. Oil mixed wood: V-shaped joint shall be reserved at the splicing point of the panel to connect with the staggered joint of the base wood.
18. The oil removal and mixing panel shall be firmly bonded to the base wood work without interlayer.
19. The edge closing line shall be tightly bonded with the base wood work, and the joint shall be free of dislocation and separation.
20. The oil cleaning veneer shall be installed evenly and fixed with mosquito nail gun.
21. The decorative panel of parallel cabinet door is similar in design and color.
22. The cabinet door shall be installed upright and flush.
23. The wooden frame structure is square, the vertical perpendicularity of the facade is ≤ 2mm, the length difference of the diagonal is ≤ 2mm, and the flatness is ≤ 2mm.
24. The flatness of the solid wood line surface is ≤ 2mm, and the elevation difference of each edge intersection circle is ≤ 2mm.
25. The hardware shall be installed correctly and firmly, and the fixing screws shall be complete.
Vi. oil engineering projects (33 projects)
[top base of oil wall]
1. The leveling error of gypsum putty on the top of the wall shall be ≤ 3mm. (except for the original wall flatness error ≥ 20mm)
2. After the gypsum layer is completely dry, apply water-resistant putty for two to three times.
3. After the putty layer is dry, sand it with sandpaper to 240 mesh sandpaper effect.
4. The inside of the bottom box shall be cleaned, and the periphery of the bottom box shall be trimmed and square.
5. The board joint, construction hole, internal corner of the wall top and the slotted part of the wall shall be pasted or treated with the joint belt.
6. The gypsum line shall be installed firmly, upright and free from skew, dislocation and warpage.
7. The thickness of the upper outlet of the skirting line is uniform, with an error of ≤ 3mm.
8. The thickness of the outlet wall under the gypsum top angle line is uniform, with an error of ≤ 3mm.
9. All sides of the door and window pass are in the same plane, with an error of ≤ 3mm.
10. The primer shall be applied evenly without omission, and there shall be no obvious pit, spot or pockmark after repair.
11. The internal and external corners are straight without skew or wave.
12. The perpendicularity of the wall where the fixed furniture is installed shall be ≤ 3mm.
13. The deviation of color separation line of finish paint shall be ≤ 2mm (within 5m).
14. The top coat shall be evenly applied without missing or penetrating, and the surface of the top coat shall be free of obvious pits, spots, pits, sand holes, sags, brush marks and other defects.
[wood products are applied with clear oil]
15. The nail hole shall be repaired and filled flat, with complementary color, clear wood grain, flat and smooth, without obvious color difference.
16. The color is uniform and there is no obvious color difference on the side-by-side.
17. The color shall be uniform without stain or scratch.
18. No brush marks, sagging and orange peel.
Wood products