【 Weak current College 】 the residential decoration engineering construction standard "

People's Republic of China national standard GB5024-2002
The residential decoration engineering construction standard "
Codefor
constructionofdecorationofhousings
2001-12-09 published 2002-05-01 implementation
People's Republic of China Ministry of State administration of quality supervision, inspection and quarantine joint releases
National residential decoration engineering construction specification
(1, 2, 3)
1.
General provisions
1.0.1 for residential decoration engineering specifications, and ensure project quality, protection of personal health and property security, protection of the environment, safeguard the public interest, the development of this specification.
1.0.2
This specification applies to residential building decoration engineering construction.
1.0.3 residential decoration engineering construction in addition to the implementation of this specification, there should be consistent with national standards, the current relevant norms.
2.
Terminology
2.0.1
Residential decoration. In order to protect the main structure of residential buildings, perfect residential functions with decoration materials or accessories of residential interior surfaces and the use of the space environment by and beautify the process of treatment.
2.0.2
Indoor environmental pollution. Means indoors air mixed in harmful Jiankang radon, formaldehyde, benzene, ammonia, total volatile organic compounds, etc.
2.0.3 substrate. The main structure of the building and the building envelope.
2.0.4 base. Directly bear the decoration of the surface layer.
3. basic provisions
3.1 construction essential requirements
3.1.1
Before construction work should be designed to give the low-down, and respond to the construction site to verify that the understanding of the relevant provisions of the property management.
3.1.2 the process, each sub-item project should post, mutual seizure and transfer.
3.1.3
Construction, no damage House original insulation facilities; no damage to the loading bar; no centralized stacked items overload; prohibited in precast concrete slab on perforated installation inserts.
3.1.4
Construction, non-tampered architectural principals. Load-bearing structure or change room mainly use functionality; no alters gas, heating, communications, and other facilities.
3.1.5
Piping, equipment installation and commissioning of the project should be in the decoration completed before construction, you must simultaneously should be completed before the finishing layer construction. Decoration works shall not affect the piping, equipment use and maintenance. Involving gas pipeline decoration engineering must comply with the relevant provisions of security management.
3.1.6 construction personnel should adhere to the relevant construction safety, labor protection, fire protection, anti-virus, laws and regulations.
3.1.7
Electricity construction site shall conform to the following: ① construction site using electricity from households after the establishment of a temporary table construction electricity system. ② installation, maintenance or demolition of a temporary construction system, should be completed by an electrician. ③ temporary construction supply switch box leakage protection should be installed. Entering the switch box power supply line must not be used for the bolt connection. ④ the most advanced electricity lines should avoid flammable, explosive substances store. ⑤ suspended construction should cut off the power.
3.1.8 the construction site of water should comply with the following requirements: ① shall not be waterproof surface storage. ② temporary with water without breakage, leakage. ③ suspended construction should be cut off the water.
3.1.9
Civilization construction and on-site environment should meet the following requirements: ① construction personnel should be dressed. ② construction personnel should obey property management or security personnel supervision, management. ③ to control dust and pollutants, noise, vibration, and so on-licensed residents, residential and urban environmental pollution and damage. ④ construction heap material shall not occupy loudaonei public space, blocking the emergency exit. ⑤ outdoor bedding should comply with the provisions to avoid property management in the public channels, green land, septic tanks, and other public facilities. ⑥ Engineering garbage should be sealed packaging, and placed in the specified garbage dumps. ⑦ shall not stop up, destroyed the water pipeline, trash and other public facilities, shall not damage the building various public identity. ⑧ works acceptance before will clean up the construction site.
3.2 materials, equipment, basic requirements
3.2.1 residential decoration engineering materials of varieties and specifications, performance should meet the design requirements and national standards in force.
3.2.2
Do not use state explicitly obsolete materials.
3.2.3 residential decoration materials should be used according to the design requirements for fire prevention, corrosion and decay.
3.2.4
Construction unit should approach the main material of the varieties and specifications, performance for acceptance. Main materials should have product certificate, there are special requirements should have appropriate performance testing report and user manual.
3.2.5
Field preparation of materials should be as designed or product manual production.
3.2.6 should be equipped to meet construction requirements of related machines, equipment and instrumentation.
3.2.7
Residential decoration engineering should actively use new materials, new technology, new technology, new equipment.
3.3 product protection
3.3.1
Construction materials, transport should meet the following requirements: ① material transport using the lift, face lift to take protective measures. ② materials handling to avoid damage to the roof, walls, loudaonei handrail, corridor door Windows and corridor.
3.3.2
The construction process should take the following protective measures: ① finished products in all types of work in construction shall not pollution, damage to other types of workSemi-finished products and finished products. ② protective film on the surface of the material should be removed when the project is completed. ③ on mailbox, fire control, power supply, alarm, network, and other public facilities should take protective measures.
4. fire safety
4.1 General provisions
4.1.1 construction units must formulate the fire safety system, builders must be strictly observed.
4.1.2
Residential decoration repair material combustibility rank requirements, should be consistent with existing national standards of the construction interior trim design fire protection standard (GB50222).
4.2 materials fire-resistant treatment
4.2.1 on decorative fabrics for fire retardant treatment so that they are saturated in flame retardant, flame-retardant dry content should conform to the requirements of the product specification.
4.2.2
On wooden decoration materials fireproof paint coating before its surface to be cleaned. Coating for at least two, and the second coating should first coating coated table stem after the coating weight shall be not less than 500g/m ^ 2.
4.3 construction site fire
4.3.1 the relative concentration of combustible items should be placed in a secure area and should be clearly identified. Construction site shall not be a large number of accumulated combustible materials.
4.3.2
Flammable or explosive materials in the construction, avoid beating, collision, friction, etc may sparks. Supporting the use of lights, motors, electrical switches, there should be a safe and explosion-proof equipment.
4.3.3
Use volatile materials such as paint, you should always closed its container, clean cotton etc after should focus on storage and away from sources of heat.
4.3.4
Construction site used for gas welding and flame, you must clear the surrounding and welding slag falls area of combustible substances and supervise.
4.3.5 the construction site must be equipped with fire extinguishers and other fire extinguishing, sandboxes or tools.
4.3.6 prohibited smoking in the construction field.
4.3.7 is prohibited in a running camp road, equipped with flammable and explosive containers and stress component for welding and cutting.
4.4 electrical fire
4.4.1
Lighting, electrical equipment of high-temperature areas close to the non-level materials, or traverse through B2 level following the repair material should be used Rockwool, porcelain or glass wool thermal insulation materials, such as A class. When lighting or ballast embedded in flammable decoration material, heat insulating measures should be taken to be separated.
4.4.2 distribution box of shells and floor use A grade material. Distribution box shall be installed in the B2 level (B2) of decoration materials. Switches, outlets, should be installed in the B1 level above materials.
4.4.3 halogen lamp near conductor heat-resistant insulation material should be introduced into the sheath, shall directly using a wire with insulation yanran.
4.4.4
Downlead plastic wire should wear a pipe or wall washer plate protection, ceiling of wire should be wearing a metal pipe or PVC pipe protection Grade B1, conductor bare.
Protection of fire-fighting facilities 4.5
4.5.1
Residential decoration shall block the fire-fighting, evacuation signage and security exports, and should not prevent fire and evacuation channels of normal use, will be allowed to alter fire doors.
4.5.2
Fire hydrant doors around the decoration material color and the fire hydrant door color distinct.
4.5.3
Residential Interior fire alarm system stuffing tube, automatic sprinkler system pipes application independent of hanging pipe fixed. Not to use the decoration with suspenders and placed in the suspended ceiling on fixed.
4.5.4
When decorating a House again against the room layout, according to the design specifications for new graphic to adjust the automatic fire alarm detectors and automatic fire extinguishing nozzle.
4.5.5
Sprinkler pipelines, alarm lines, wiring boxes and related devices should be concealed.
5. indoor environment pollution control
5.0.1
This specification control of indoor environmental contaminants: radon (222Rn), formaldehyde, ammonia, benzene and total volatile organic compounds (TVOC).
5.0.2
Residential decoration indoor environmental pollution control in addition to complying with this standard, there should be consistent with the civil construction works indoor environmental pollution control norms (GB50325-2001), the existing standards, design, construction should use low toxicity and low pollution of decoration materials.
5.0.3 on indoor environmental pollution control are required, according to the relevant provisions of article content 5.0.1 in whole or in part, be detected, the pollutant concentration limits shall conform to the requirements of the table 5.0.3.
Table 5.0.3 residential decoration after indoor environmental pollution concentration limits
The concentration limit values for pollutants in the indoor environment
Radon (Bq/m3) ≤ 200
Formaldehyde (mg/m3)
¡Ü 0.08
Benzene (mg/m3) ≤ 0.09
Ammonia (mg/m3) ≤ 0.20
TVOC total volatile organic compounds (Bq/m3) ≤ 0.50
6.
Waterproofing
6.1 General provisions
6.1.1 this chapter applies to the bathroom, kitchen, balcony construction waterproof project.
6.1.2 waterproof construction use waterproof coating.
6.1.3 waterproof construction personnel should have the appropriate status certificate.
6.1.4
Waterproof project should be in the ground, walls and subtle completion check acceptance. Its construction method should comply with current standardsThe relevant provisions of the specification. 6.1.5, construction safety lighting shall be set up and maintain ventilation.
6.1.6 environmental temperature should be consistent with the technical requirements of waterproof material, and to 5 ° c above.
6.1.7 waterproofing should do two water test.
6.2 main material quality requirements
6.2.1 waterproof coating performance should comply with the national provisions of the existing relevant standards and should products certificate of competency.
6.3 construction elements
6.3.1
Base surface should be smooth, without loosing, hollowing, sand, cracks and other defects, moisture content should be consistent with the waterproof material construction requirements.
6.3.2
Floor drain, casing, sanitary ware roots, Yin-Yang Kok and etc, you should first do waterproof additional layer.
6.3.3
Waterproof layer should extend from the ground to the wall, above the surface of the wall 100mm; bathroom shall not be lower than 1800mm waterproofing layer.
6.3.4
Waterproof mortar construction should satisfy the following requirements: ① waterproof mortar mix should comply with the design or product requests, with grass-roots combined with waterproof layer should be firm, flat surface should not have drum, cracks and voids and dusting, Yin and Yang Kok should make the circle arcs. ② protective layer of cement mortar thickness and strength should meet the design requirements.
6.3.5
Waterproof coating shall conform to the following: ① coating brushing should be uniform, no leakage brush. Total thickness should be consistent with the product technical performance requirements. ② GI: the add-in should shun flow direction based on the lap, and overlap width should be not less than 100mm. More than two layers of glass cloth, the waterproof construction, under the lap should be staggered width of 1/2.
7. the plastering work
7.1 General provisions
7.1.1 this chapter applies to the construction of residential Interior plastering work.
7.1.2
Ceiling plastering layer and grass-roots level and among the bond between the plastering layer must be firm, five delamination, empty drum.
7.1.3 different material substrate junction surfaces plaster should be taken to strengthen measures to prevent cracking.
7.1.4
Indoor wall, cylinder, and door opening of Yang Kok practices should meet the design requirements. Design without requires should be used 1: 2 cement mortar do dark edge, its height should not be less than the width of each side 2m, should not be less than 50mm.
7.1.5
Cement mortar plastering layer should be done after the plaster 24h conservation. Plastering layer in the condensation, should prevent fast drying, water, shock and vibration. 7.1.6, winter, plastering jobs when the surface temperature is below 5 ° c; plastering layer-set front not cold.
7.2 main material quality requirements
7.2.1 plastering cement and should be used for Portland cement, Portland cement, its strength shall be not less than 32.5.
7.2.2
Different varieties of different labels shall not be mixed with cement.
7.2.3 cement should have product certificate.
7.2.4 plastering with sand to choose in sand, sand before use, shall, shall not contain debris sifting.
7.2.5 plastering with lime paste aging period should not be less than 15d. Cover with a fine lime powder ripe time should not be less than 3d.
7.3 construction elements
7.3.1, primary processing should satisfy the following requirements: ① brick masonry, should remove surface dirt, dust, water spray wet plaster before. ② concrete, the surface should be chiseling or in surface water wetting after brushing cement mortar 1: l (with just the right amount of adhesive). ③ aerated concrete, behind the brush should be moist, edge erase interface agents are not greater than the strength of cement mortar M5.
7.3.2 plastering layer of average total thickness should meet the design requirements.
7.3.3
Large scale should be set before plastering. Plaster should be hierarchical, each time the effectiveness of 5 ~ 7mm thickness. With lime mortar and cement mortar should each times thickness 7 ~ 9mm. When plastering total thickness exceeds 35mm, to strengthen measures to be taken.
7.3.4 with cement mortar and cement mortar should be setting a plastering layer before wipe after a layer; lime mortar should be before a plastering layer 178% dry wiping after a layer before.
7.3.5 the underlying strength of the plastering layer may not be lower than the surface of the plastering layer strength.
7.3.6 cement mortar mix good, you should run out before in-set, where the knot shall not continue to use hard mortar.
8.
Ceiling construction
8.1 General provisions
8.1.1 this chapter applies yuminglong bone and dark joist ceiling construction.
8.1.2
Suspenders, keel installation spacing, connections should meet the design requirements. Rear embedded parts, metal suspenders, keel anti-corrosion treatment should be conducted. Wooden hanger rods, wood joist, modeling of wood and wood panel should be corrosion-resistant and fire, decay.
8.1.3 ceiling materials in the transportation, handling, installation, storage should take appropriate measures to prevent moisture, deformation and damage to sheet metal surfaces and edges.
8.1.4
Heavy-duty lamps, fans and other heavy equipment installed on the ceiling joist is strictly prohibited.
8.1.5 ceiling is filled with sound-absorbing, insulation of varieties and laying thickness should meet the design requirements, and should be given blowout fallout measures.
8.1.6 decoration Panel lighting, smoke machine, shower, air inlet grate devices such as the location of the child should be reasonable, elegant, and decoration Panel should be tight junction.
8.1.7
Suspended ceiling and walls, curtains Kit handover should meet the design requirements.
8.1.8 shelving-light decoration Panel should be the design requirements set pressure card device.
8.1.9
Adhesive type shouldBy matching decorated Panel of varieties.
8.2 main material quality requirements
8.2.1
Ceiling construction materials of varieties, sizes and colors should meet the design requirements. Decorated panels, metal joist should have product certificate. Wood wood joist hangers, the moisture content should be consistent with the country of the relevant provisions of the existing standard. 8.2.2, decoration Panel surfaces must be smooth, the edge should be neat, consistent color should be. Perforated plate hole distance should be neat and tidy; plywood, wood fibreboard, degumming, emission should not change colour.
8.2.3 fire retardant coating shall have the product certificate and operating instructions.
8.3 construction elements
8.3.1 keel installation you should meet the following requirements:
① the design should be based on the ceiling height in the surrounding wall elastic cord. Elastic cord should be clear, the location should be accurate.
② main joist lifting point spacing, Arch height should meet the design requirements. When a design without requires the lifting point spacing should be less than 1.2m, should press room l short to span% ~ 3% arch. Main joist after installation location should be timely correction of its elevation.
③ Suspender-joint distance should be main joist end distance shall not exceed 300mm. When the boom and equipment meet, you should adjust the lifting point structure or a new boom.
④ time frame should be close to the main joist installation. Fixed plate secondary joist spacing shall not be greater than 600mm, wet areas and sites, spacing should be 300 ~ 400mm. With countersunk head self tapping screw installation facings, seams secondary joist width not less than 40mm.
⑤ Dark keel series bracing keel application connectors at both ends of the connection in the full-length secondary joist. Ming keel series of bracing keel and long keel clearance may not overlap at greater than 1 mm.
⑥ edge joist should as designed, fixed-line in the surrounding wall.
⑦ full correction of the primary and secondary location of Dragon and flatness, connections should be dislocated installation.
8.3.2
Install the facings before completing the ceiling piping and equipment commissioning and acceptance. 8.3.3, decoration panel installation shall be adjusted according to the specifications, colors, etc. is classified matching.
8.3.4
Dark frame decoration Panel (including gypsum board, fiber cement pressure plate, plywood, metal square plate, metal bars, plates, plastic bar Board, gypsum board, CA plastic plates, mineral wool Board and grill etc) installation should satisfy the following requirements:
① to light steel keel, aluminum frame to frame, using nailed method installed should be countersunk head self tapping screw fixation.
② to joists as framework, using nailed method should be used when installing wood screws, nails fixed plywood available.
③ metal facings used hanging connector, docking fixed should be provided by the product specifications.
④ composite paste method of installation, the adhesive is not totally curable front plate shall have a strong vibration.
8.3.5 gypsum board and fiber cement pressure plates mounting should satisfy the following requirements:
① the plate should be installed in free State, the fixed time should the Middle from plate to plate fixed around.
② Gypsum Board screws and plates edge distance: paper wrapping should 10 ~ 15mm, cutting edge should 15 ~ 20mm; cement pressure plate screws with the plate edge distance should be 8 ~ 15mm.
③ plate surrounding nail spacing should be 150 ~ 170mm, Board nailed margin shall not be more than 200 mm.
④ When installing dual-layer gypsum board, plywood joints should be staggered, not in the same root keel seams.
⑤ screw head should be slightly embedded Board, and shall not make paper damage. Screw eye rust should be done with PuTTY effacement.
⑥ Gypsum Board joints should be carried out according to the design requirements of Board Joint treatment.
8.3.6
Gypsum Board, CA plastic plate installation should satisfy the following requirements:
① When nailed method installation, screws and plates edge distance shall be not less than 15mm, screws should ask from 150 ~ 170mm, uniform layout, and with the Board should be vertical, dingmao anti-rust treatment, and apply the same color as the plate surface coating finishing or gypsum PuTTY effacement.
② When using bonding method of installation, the adhesive should be applied evenly, no missing coating.
8.3.7 mineral wool decorative acoustic panels installed should satisfy the following requirements:
① the room humidity is not installed.
② installation should exhaust plate to ensure the integrity of the pattern, pattern.
③ When installed, shall be placed on a sound-absorbing panels and other materials to prevent plate compression deformation.
8.3.8
Ming keel facings installation should satisfy the following requirements:
① decoration panel installation should ensure mutual bite then piece together and pattern patterns.
② facings and keel-Pack should prevent squished too tight or lifting.
Û shelve method installation should be left plate installed on each side of the slit, should not be greater than 1 mm.
④ glass ceiling joist on the retention of glass lap width should meet the design requirements, and should be used in soft connection.
⑤ decorative acoustic panels installed such as a stay should be positioned by the installation.
9. light partition works
9.1 General provisions
9.1.1
This chapter applies to plate curtain walls, wall and glass partition wall armature and other non-load-bearing construction of light partition works.
9.1.2 light partition structure, fixed method should meet the design requirements.
9.1.3
Light wall materials in the transportation and installation, you should handle with care, does not damage the surface and edge angle. Should avoid wet deformation.
9.1.4, when lower light partition with wooden play foot cover, decorated Panel should leave the ground 20 ~ 30mm gap; when using marble, ceramic tile, terrazzo, and so do the plinth, plywood bottom outlet with skirting, seams should be flush.
9.1.5 plate curtain walls, decorative panel installation shall be adjusted according to the species, size, color, etc. is classified matching.
9.1.6 light partition and ceiling and wall junction of anti-cracking measures should be taken.
9.1.7 exposed brick, stone, concrete keel and buried a wooden wedge should be treated with preservatives.
9.1.8 adhesive shall be adjusted according to the selection of varieties facings. Site configuration adhesives, ratio should be determined by testing.
9.2 main material quality requirements
9.2.1 sheet partition wall plate, skeleton wall of facings and keel, glass curtain walls of glass should have product certificate.
9.2.2
Decoration Panel surfaces must be smooth, edge should be neat, should not have dirt, crack, corners, warping, skin color and pattern, is incomplete and defective. Plywood should not have the retting, discoloration and decay.
9.2.3
Composite lightweight wall plate surface and base (skeleton) adhesive must be secure.
9.3 construction elements
9.3.1
Wall-position cable should be as designed, along the ground, walls, roof and pop-up walls of center line and line width, width line should be consistent with the wall thickness, elastic cord should be clear, the location should be accurate.
9.3.2 light steel keel installation should satisfy the following requirements:
① should play the line position fixed along the way, the border along the top of the keel and the keel, the keel of the sides should coincide with elastic cord. Keel of end should be installed securely, keel and matrix fixed spacing should not be greater than 1m.
② installed vertical Joist perpendicular to joist spacing should be should be consistent with the design requirements. Damp rooms and expanded metal lath and plaster walls, not greater than 400mm keel spacing.
③ Mount keel should support will support card installed in a vertical direction, the keel of the opening pitch should be 400 ~ card 600mm, distance from the keel ends 20 ~ 25mm is appropriate.
④ installation through series of keel, less than 3 m wall installation, 3 ~ 5m partition setup two road.
⑤ facings transverse seams not along, along the top of the keel, the transverse braces keel fixed should be added.
⑥ doors or special contact Office install additional keel should comply with the design requirements.
9.3.3 wood joist installation should satisfy the following requirements:
① joists of the cross-sectional and longitudinal, lateral spacing should meet the design requirements.
② skeleton horizontal, vertical joist should adopt open half Tenon, glue, nail connections.
③ Mount keel decorated Panel before the fire.
9.3.4, skeleton partition before installing decorative Panel should examine the degree, the skeleton of a solid wall of equipment for pipeline and fill material for installation meets the design requirements, such as non-compliance with the Department should take steps.
9.3.5
Gypsum Board installation you should meet the following requirements:
① plasterboard to vertical laying, long edge seams should be installed in vertical joist.
② the gypsum board on both sides of the keel and keel side of double panel joints should be staggered, not in the same root keel seams.
③ light steel keel applications tapping screws, wood joist applications wood screws. Along the gypsum board spacing around nails may not be more than 200 mm, plate spacing shall not be greater than in the nails, screws and 300mm plate edge distance should be 10 ~ 15mm.
④ When installing gypsum board shall be from the middle of the plate to plate fixed on four sides. Nail head slightly embedded Board, but shall not damage the paper, nail eye rust treatment should be conducted.
⑤ Gypsum Board joints should be carried out according to the design requirements of Board Joint treatment. Gypsum Board and surrounding walls or columns should have 3 notch for anti cracking process.
9.3.6 plywood installation should satisfy the following requirements:
① plywood installation before the Board to fire back.
② light steel keel should adopt self-tapping screws. Wood joist with round nails, nail spacing should be 80 ~ 150mm, dingmao should hit flat; the use of nail gun fixation, nail spacing should be 80 ~ 100mm.
③ Yang corner angle should be made;
④ plywood wood bead fixed, fixed spacing should not be more than 200 mm.
9.3.7 plate wall installation should satisfy the following requirements:
① Wall-position cable should be clear, the location should be accurate. Partition wall and bottom base should be smooth, firm.
② plate wall installation splicing should comply with the design and construction requirements of the product.
③ install sheet metal wall bracket using the summary to date.
④ install sheet metal wall with metal pieces should be treated with preservatives.
⑤ plate wall mosaics of core material used should be consistent with the fire safety requirements.
⑥ in sheet metal wall application on grooving, punching machine cutting of marble or drill drilling, shall directly tick chisel and banged.
9.3.8 glass brick wall installation should satisfy the following requirements:
① glass brick walls should be a high as 1.5m construction section, and the lower part of the construction section cementing materials meet the design strength for the upper part of the construction.
② When glass brick wall area too large should increase support. Glass brick walls and structure of the skeleton should be securely connected.
③ glass bricks should arrange uniform uniformity, surface is smooth, caulking of PuTTY or sealant should full compacting.
9.3.9 flat glass partition wall installation should satisfy the following requirements:
① Wall-position cable should be clear, the location should be accurate. Partition grass-roots should be smooth, firm.
② skeleton border installation should comply with the design and product portfolio.
③ layering should and should not bend close to the border edge, convex drum.
④ install glass before the strong skeleton, borders, examining and, if not in prison should be reinforced.
⑤ glass installation should comply with this standard doors and Windows of the project.
10. the door and window project
10.1 GeneralProvisions of the
10.1.1 this chapter applies to the wooden doors and Windows, aluminum Windows and doors, plastic doors and Windows installation works of construction.
10.1.2 and door installation should be checked in accordance with the following requirements:
① doors and Windows of varieties and specifications, opening direction, smoothness etc should comply with the national provisions of the existing standard, annex should be complete.
② door and window openings should meet the design requirements.
10.1.3 the keeping, transport and doors shall conform to the following:
① wooden doors and Windows should take measures to prevent moisture, scratches, pollution and exposure.
② plastic doors and Windows of the storage environment temperature should be less than 50 ℃; the distance with the heat source should not be less than the lm, when the ambient temperature of 0 ° c in the rest of the environment, the installation should place 24h at room temperature.
③ aluminum alloy, plastic doors and Windows of transport should be erected emissions and fixed firmly. Worth mentioning and suppositories to separate between the application of soft materials to prevent their wear and crushed glass and metal pieces.
10.1.4
Doors and Windows of the fixed method should meet the design requirements. Door and window frames, fan during installation, you should prevent deformation and damage.
10.1.5, doors and Windows Setup should be used to reserve the entrance of construction methods, shall not be used for installation of side wall outlet or install after lining of the mouth of the construction method.
10.1.6
Sliding door and window fans must have anti desolventizing measures, fan and the box's lap and should meet the design requirements.
10.1.7 the building exterior doors and Windows, the installation must be firmly in the brickwork on installing doors and Windows of the forbidden nailing fixed.
10.2
The main material quality requirements
10.2.1 Windows and doors, glass, sealant, and so should be chosen according to the design requirements, and should products certificate of competency.
10.2.2
The appearance of Windows and doors, external dimension and Assembly quality, mechanical properties should be consistent with the country of the relevant provisions of existing standards, plastic doors and Windows in the vertical box, in the horizontal box or spell suppositories, and other major force in steel bars, should be indicated in the product descriptions, specifications and dimensions. Doors and Windows of the surface should not have influenced the appearance of defects.
10.2.3 wooden doors and Windows with wood, its moisture content should be consistent with the country of the relevant provisions of the existing standard.
10.2.4
The combination of Windows and doors in wood and installation hardware fittings Department shall have wood section or sections of wood have been filled.
10.2.5 metal door and window selection of parts and accessories and fittings, stainless steel, are already anticorrosion.
10.2.6
Plastic doors and Windows combo window and even Windows spell worth mentioning is close to its internal should be used with reinforced steel as sides lined with steel reinforced competition worth mentioning material to grow 10 ~ 15mm. Exterior Windows spell worth mentioning material cross section area dimensions and steel shape, thickness, should enable the combination of the window under the area of wind pressure value.
10.3 construction elements
10.3.1 wood window and door installation should satisfy the following requirements:
① door and window frame and brick masonry, concrete or plaster layer contacts and fixed with wooden tiles are antiseptic treatment should be conducted.
② door and window boxes installed before correction founder, together with nails need to pull bar to avoid deformation. Installation of window and door frames, each fixed point not less than two, shall not be greater than the spacing 1.2m.
③ door and window boxes required glued on the face, door and window boxes should highlight the wall thickness of the projection should be equal to the plastering layer or decorative layer thickness.
④ wooden door and window hardware installation should satisfy the following requirements:
1) hinge margin top and bottom side doors and Windows should take fan set quite high 1/10, and should be avoided, Goldstein.
2) hardware accessories installed application with wood screws. Hardwood should drill 2/3 of the depth of the hole, the hole diameter should be slightly smaller than the diameter of the wood.
3) door lock is not suitable for installation in the emerging and the combination of vertical standing.
4) window handle from the ground should 1.5 ~ 1.6m, door handle is apart from the ground should 0.9 ~ 1.05m.
10.3.2 aluminium door installation should satisfy the following requirements:
① door mount hole should be horizontal even vertical, is strictly prohibited and doors box direct buried human body.
② seal installation should have a side length than Windows and doors of 20 ~ 30mm of allowance, the corner should be inclined to disconnect, and adhesive paste firmly to prevent contraction gap.
③ door and window frames and the gap between the wall must not be filled with cement mortar, should be filled with elastic material, surface application of sealant to seal.
10.3.3 plastic doors and Windows of the installation should satisfy the following requirements:
① install hardware accessories and doors should be drilled with self-tapping screws directly into the nail hammering.
② door and window frames, Deputy boxes and fan installation must be secure. Fixed Blade quantity or expansion bolts and location should be correct, the connection should be consistent with the design requirements, a fixed point should distance form, in the horizontal box, in the vertical box 150 ~ 100mm, fixed spacing should be less than or equal to 600mm.
③ Setup combination window should be two window frames and spell worth mentioning material card, card application received after the bi-directional tighten the fasteners, their spacing should be less than or equal to 600mm, fasteners end and spell worth mentioning is the material and the gap between the window frame application caulked joint paste for sealing ④ doors and Windows box and the gap between the wall must not be filled with cement mortar, should be filled with elastic material, surface application of sealant to seal.
10.3.4 wooden door and window glass installation should satisfy the following requirements:
① glass installation should check box size, will the Conference outlet clean dirt.
② the long side is greater than the installed or short edge than 1.5m width glass, rubber underlay layering and screws.
③ wooden frames, fan installed, available glass nail, nail distance not greater than 300mm, and each side of not less than two, with wooden bead retention, you should brush after installation at the end of oil, and must not use glass pressure too tight.
④ When installing glass partitions, glass in the upper box surface should have adequateOf the slit, prevent damage to the glass, wooden frame deformation.
⑤ use sealant, the seams of the surface should be clean and dry.
10.3.5
Aluminum alloy, plastic door and window glass installation should satisfy the following requirements:
① install glass front, should clear up the notch in the debris.
② the use of sealing paste, the seams of the surface should be clean and dry.
③ glass shall not come into direct contact with the glass tank and glass sides mat on different thickness of the pad, on the border of the application of adhesive pad.
④ coated glass should be installed in the most outer glass, single sided coated glass should be towards the Interior.
11. the detail engineering
11.1 General provisions
11.1.1
This chapter applies wooden doors and Windows, curtains Kit, stationary cupboard, guardrail, railing, ornate, detail engineering, installation and construction of production.
11.1.2 detail engineering should be concealed work completed and experience after resumption.
11.1.3 frame fixed cupboard applications Tenon connections. Plate-type structure of fixed cupboard applications special fittings.
11.1.4 fine wood panelling Panel after installation, you should immediately brush again primer.
11.1.5 humid parts of fixed cabinets, wooden doors set should be moisture-proof.
11.1.7
Handrail height should not be less than the height 0.90m, guardrail should not be less than 1.05m, railings spacing should not be greater than 0.11m.
11.1.8
Humidity larger room shall not be used without water repellent treatment of plaster decoration, paper flowers, etc.
11.1.9 ornate after installation is complete, the finished product protection measures should be taken.
11.2 main material quality requirements
11.2.1 artificial wood, adhesive formaldehyde content should conform to the countries with the relevant provisions of the existing standard, shall have the product certificate of quality.
11.2.2 wood moisture should be consistent with the country of the relevant provisions of the existing standard.
11.3 construction elements
11.3.1 wooden doors and Windows of the installation package should satisfy the following requirements:
① door and window openings should be perpendicular to the founder, embedded wooden bricks should meet design requirements, and should be treated with preservatives.
② According to entrance dimensions, window and door centerline and location of the line, with rectangular wood into a skeleton and joists should be treated with preservatives, bracing location must be embedded parts location coincide.
③ joists skeleton should be formed firm, flat surface Planer. Install the joists skeleton should, in addition to the setting aside of founder board thickness, joists skeleton and clearance between wooden bricks should pad to wood pad, securely. Installation hole joists skeleton, General first after both sides, the entrance to the top of the upper part of the skeleton should be securely connected with the fastener.
④ and wall corresponding base plate surface should be treated with preservatives, base plate should be firmly installed.
⑤ decoration panel color, the pattern should match. Board should be slightly larger than the large skeleton, joists should be bare, small surface should be wiped directly. Wood root length should be the need to butt, the pattern should be grammatically correct, its joint position should avoid eye Yi head-up range, indoor ground 2m above or below the joint 1.2m should remain in the transverse braces.
⑥ foil face, lines of variety, color, pattern and decoration Panel compatibility. Foil face joints should be into a 45 ° angle, face and door and window set plate surface combination should close, formation, face or line cover plastering the walls should be not less than 10mm.
11.3.2 wooden curtain boxes making installation should satisfy the following requirements:
① Curtain box width should meet the design requirements. When a design without requires, curtains Kit to put out the window side 200 ~ 300mm, curtains Kit line addressing access window line and make the same length as the ends out of the window. Curtain boxes along the top with the window should be flat or slightly lower.
② When using wood joist double package splint craft curtain boxes, shielding plate facade without that nib, Lucy Dingmao, bottom edge processing should be done.
③ Curtain boxes backplane can post buried wood wedges or expansion bolts fixed, shelter and roof junction use angle line trim. Curtain box wall part should be close to the wall.
④ Curtain track installation should be straight, curtain track fixed point must be at the bottom of the keel, the connection must use wood screws, forbidden nailing with a circle. Using electric curtain rail, according to product specifications for installation and commissioning.
11.3.3 fixed cabinets production installation should satisfy the following requirements:
① According to the design requirements and floor and ceiling elevation, determine the location of the plane and Cabinet level.
② make wood-frame, the whole facade should be vertical and horizontal plane, the frame should be junction should do Tenon connections and brushing woodworking LaTeX.
③ side plate, bottom plate, Panel application flat head screw firmly fixed to the frame, dingmao anti-corrosion treatment should be done.
④ drawer should dovetail connections, you should configure the installed drawers.
⑤ hardware can be installed in place, the paint before it is removed, the hardware installation should be neat, firm.
11.3.4 handrails and guardrails production installation should satisfy the following requirements:
① wooden handrail and elbow connector is securely connected to the lower part, wooden armrest width or thickness exceeding 70mm, its connector should strengthen bonded.
② Handrails and vertical bars securely, shall not be exposed fasteners.
③ overall elbows before full-scale model should be done, according to the model line. Elbow would not be appropriate for bonding, the temperature is below 5 ° c. The lower part of the elbow should be closely integrated with railings, solid flat bar.
④ wooden handrail elbow forming should be planed, bend should be natural, the surface should be ground.
⑤ metal handrail, railing with vertical bars and embedded parts connection should be solid, vertical, such as welding, polishing the surface should be.
⑥ glass shield should use glass or safety glass interlayers sandwiched.
11.3.5 ornate production installation should satisfy the following requirements:
① decorative line installation of the grass-roots level must be flat, solid, decorative lines shall not vary with fluctuations in grass-roots level.
② decorative line, parts of the installation should be based on a different base, using the appropriate connection.
③ wooden (bamboo) quality decorative line, parts of the interface should spell on patterns, turning the seamless interface should be uniform, the same color of the room should be consistent, sealing pressure side bar and decorative line, parts should close the connection.
④ plaster decoration lines, fittings installed base should be dry, plaster line and horizontal line-level connections and locate line position, distance should be consistent, seam stitching should be 45 °. When using screw flower parts, electric drill hole punch, screw nails head should go into the hole in the screw should be anti-rust treatment; when using adhesive flower piece should use short curing of the adhesive material.
⑤ metal decorative line, something should be done before installing preservative treatment. Base should be dry, solid. Riveted, welded or fasteners, fastener location should be neat, welding point should cover, welding surface should be free of burrs. Brushed before removal of oxide layers.
12. the wall surface paving project
12.1 General provisions
12.1.1 this chapter applies to stone, wall tile, wood, fabric, wallpaper and other materials in the housing wall tile installation.
12.1.2 wall pavement hidden in the walls and ceiling plastering works, works have been completed and experience after resumption. When the wall is waterproof, waterproof engineering conduct acceptance should.
12.1.3
Wet method of natural stone paving should anti-alkali treatment.
12.1.4 in waterproof layer on tile, bonding materials should be waterproof material compatibility of the performance.
12.1.5
Wall surface should have sufficient strength, its surface quality should be consistent with the country of the relevant provisions of the existing standard.
12.1.6
Wet job construction site environment temperature should be 5 ℃ above; air relative humidity must not paperhanging is greater than 85%, should prevent the humidity and temperature changes dramatically.
12.2 main material quality requirements
12.2.1
Stone varieties and specifications should meet the design requirements, natural stone surfaces shall not have the hidden wounds, weathering and other defects.
12.2.2 wall tile types, specifications should meet the design requirements, and should products certificate of competency.
12.2.3 wood variety and quality level should be consistent with the design requirements, moisture content should be consistent with national requirements for the existing standard.
12.2.4
Fabrics, wallpapers, adhesives, etc. should be consistent with the design requirements, and should have a performance test reports and certificates of competency.
12.3 construction elements
12.3.1 wall brick paving should satisfy the following requirements:
① wall tile should be selected before paving and soaking 2h above, dry surface moisture.
② paving should be placed before the line orientation and row of brick, not from the bricks should discharge in minor parts or corner office. Not every wall has two columns non-whole brick, non-whole width not less than the whole brick brick with 1/3.
③ paving the former should determine the level and vertical signs, underlay floor foot, hanging up the paving. Wall tile surfaces must be smooth, seams should be straight, joint width should be uniform. Corner tiles should be pressure to correct, Yang Kok line to make the connection between 45 ° angle of the wall, should the whole brick liner cutting stapling, must not be used in non-whole patchwork paving bricks.
④ medicine mortar should be 1: 2 cement mortar, mortar thickness should be 6 ~ 10mm. Cement mortar should be back in paving tiles, a wall should not be a paving to the top to prevent collapse.
12.3.2
Wall stone pavement should satisfy the following requirements:
① wall tile should be selected before paving, and should be prepared according to the design requirements.
② strength is low or thinner at the back of the stone should be pasted glass fibre mesh.
③ When used wet job construction of a fixed stone should be reinforced and embedded parts securely. Each stone and reinforced mesh la contact shall not be less than four. La received wired with anti-rust performance. -Mortar before the back of the stone and grass-roots moist, and applies the filler material temporarily closed stone plate joints to prevent leakage. -Mortar used 1: 2.5 cement mortar, infusion should be hierarchical, each layer should be filling height 150 ~ 200mm, not more than the plate high 1/3, plug in the stamp should be compacted. Question to its upper-set before pouring cement mortar.
④ When uses the paste method, the primary processing should be formed without pressure. Adhesive mix should be consistent with the product specification of requirements. The gum liquid should be uniform, full of brush put back at the grass-roots and stone, stone in place should be accurate and should immediately get tight, leveling and alignment to the top, card. Overflow the gum liquid should be cleared at any time.
12.3.3 wood decoration wall production installation should satisfy the following requirements:
① making installation should check for grass-roots of verticality and smoothness, moisture-proof requirements should be moisture-proof.
② as designed pop-up elevation, vertical control lines, grid. Drilling installation of wooden bricks or wooden wedges, depth should be not less than 40mm, wooden bricks or wooden wedge should be treated with preservatives.
③ joist spacing should meet the design requirements. When designing non-requirements: horizontal spacing appropriate 300mm, vertical spacing appropriate 400mm. Keel and wooden bricks or wooden wedge connections should be tight. Keel plate to the essence of grass-roots should fire.
④ decoration panel installation should be matching, color, wood grain docking should naturally balanced.
⑤ decoration Panel fixed should adopt air stapler or adhesives, joints should be in the keel, the joints should be formed.
⑥ inlaid wood decorative wall now available air stapler from AU-like edges inclined pierced. When you install the first vertical control must be proofread.
⑦ When edge trim lines installed applications launched pegs, the location of the nails should be the line of grooved or back side of the line of sight.
12.3.4 soft packWall production installation should satisfy the following requirements:
① the soft pack Wall filling materials, textile fabrics and keel, wooden base plates, shall conduct fire.
② Wall moisture treatment should even brushing with a layer of clear oil or full shop-paper. Must not be used to damp-proof layer of asphalt felt.
③ wood joist use Groove nib process prefabricated, overall or patch installations, and wall connections should be tight and secure.
④ fill material dimensions should be correct, edges and corners, and founder of wood base plate bonding closely.
⑤ you knit fabric crop should be straight. Installation should be close to the walls, seams should closely correspond to the pattern should be, no wave fluctuation, Alice edge and fold, the surface should be clean.
⑥ soft-pack acrylic on canvas and pressure lines, foil face line, skirting, electrical junction boxes should be closely, straight, no Flash. Electrical box cover and other openings, set cut size should be accurate.
12.3.5
Wall paper should meet the following requirements:
① base surfaces must be smooth, without Powdering, Peel, crack and projection, the colour should be consistent. There is moisture-proof requirements should be moisture-proof.
② paperhanging wallpaper, before the variety and colours of redbud will, specifications for matching. Parquet, trim, numbering, paperhanging should paste in numerical order.
③ wall should adopt the whole paperhanging, vertical plane after plane, the first large detail, after first guarantee after the flower tile vertically and the vertical plane is on a first-come, first after a long wall after the short wall, horizontal plane is the first high and low. , Yin corner seams should overlap, Yang Kok should angle without seams.
④ PVC plastic wallpaper paperhanging before the wallpaper wetting with water for a few minutes, the walls should be at the grass-roots paperhanging brushing adhesive surface of the ceiling paperhanging the grass-roots and wallpapers when backside should be brushing adhesive.
⑤ compound shall be soaked with water, paperhanging wallpaper before brushing the wallpaper adhesive on the back, place a few minutes, paperhanging, grass surface should be brushing adhesive.
⑥ textile fiber wallpaper not soaked in water, paperhanging before use the wet cloth to clean the back.
⑦ wallpaper with gummed paper before soaking in water for several minutes. Paperhanging ceiling should apply a layer of adhesive.
⑧ metal wallpaper wetting 1 before paperhanging ~ 2min, at least 5 ~ 8min back brush after it. Brushing glue should use a dedicated wallpapers powder adhesive, glue, one side will brush brushing adhesive part up volumes in the volume of foam wallpapers.
⑨ glass substrate wallpapers, nonwoven redbud will no invasion. Should use bonding strength higher adhesive, paperhanging the grass-roots surface before gluing the back, redbud will not glue. Fiberglass redbud will not spend time for paperhanging transverse tensile deformation oblique pulled to avoid.
10, switches, outlets, and other prominent walls of electrical boxes, paperhanging before removing the cover.
13. finishing works
13.1 General provisions
13.1.1
This chapter applies to residential Interior water-based coatings, solvent-based coatings and finishing of the finishing works of fine art.
13.1.2
Finishing works in plaster, suspended ceiling, detail, ground and electrical engineering, completed and after acceptance.
13.1.3 finishing works should give priority to the use of green environmental protection product.
13.1.4
Concrete or plaster base coating solvent-based coatings, the moisture content of not more than 8 per cent; brushing paints, the moisture content must not be greater than 10 per cent moisture content shall be at the grassroots level; wood is greater than 12 percent.
13.1.5
Paint in use before mixing, and should in the stipulated time period.
13.1.6 construction site environment temperature should be between 5 ~ 35 ° c, and it should be noted that ventilation and dust-proof.
13.2
The main material quality requirements
13.2.1 coating of variety, color should meet the design requirements, and should products performance test reports and certificates of competency.
13.2.2
Finishing works bond strength with PuTTY should be consistent with the country of the relevant provisions of the existing standard.
13.3 construction elements
13.3.1 primary processing should satisfy the following requirements:
① concrete and cement mortar Base: PuTTY should be full blown, sandpaper backlit, surfaces must be smooth, straight line angle.
② Gypsum Board Base: as designed on the Board joints, nail eye for processing, the full blown PuTTY, sandpaper backlit.
③ varnish wood Base: surfaces must be smooth, colors harmonized, no pollution, cracks, broken, and other defects.
④ Matt nature grass-roots: surfaces must be smooth, without serious pollution.
⑤ metal base: surface should be the rust and anti-rust treatment.
13.3.2 finishing construction General methods:
① roller coating method: will dip for lacquer hair roller press W way movement will paint on the grass-roots in General, and then there's no need to dip for lacquer coat of upper and lower roller close to the grassroots, left and right scroll back to lacquer spread evenly in the grass roots, at last use dip for lacquer hair roller press certain direction full complement it. Yin Kok and upper and lower mouth use row brush painted here.
② spray method: spray pressure to control in 0.4 ~ 0.8MPa range. Spraying gun and walls should be vertical, distance to 500mm, uniform parallel movement. Two rows of overlapping width to the width of the control in the spray 1/3.
③ brush method: straight after the first left and right, after the first, on the first hard after easy, first-order later.
13.3.3
Wood base brushing lacquer: essential base of knots, pine resin parts application shellac paint closed, nail at sick in embedded applications oily. In scraping PuTTY, paint before brushing it again closed primer, and then repeatedly carried out on the tiles color and local colour retouching, each completed once, brush over intermediate coat paint, dry sanding, until after the harmonious unity of tone, and then do the decorative paint.
13.3.4 wooden base brushing Matt: first full brush boiled oils, pending its stem with rich child will nail holes, cracks, broken Department-scraping, sanding, smooth, dry and brush the mesosphere and surface layer of paint.
13.3.5
Analysis of crystalline bloom, salt grass-roots should use 3% of oxalic acid solution cleaning and washing clean water or base with brush again alkali resistant primer, pending its dry after scraping PuTTY, and then brushing surface coatings.
13.3.6
Embossed finishing Middle coating should be regular Pellet, with special plastic rollers with kerosene or water evenly rolled, thickness, to be completely dry curing, the surface finishing can be conducted, the surface should be used for water-based coatings, solvent-based coatings spraying should be applied by brush. Interval should 4h above.
13.3.7 coatings, paint coating and grinding should be completely after the penetration, polished application force uniform disclosure shall not be worn.
14. ground pavement engineering
14.1 General provisions
14.1.1 this chapter applies to stone (including artificial stone), floor tile, solid wood flooring, Bamboo flooring, parquet, laminated flooring, carpet and other materials of the surface layer of the tile installation.
14.1.2 ground paving the ground should be concealed work, ceiling, wall surface plastering work completed and after acceptance.
14.1.3
Ground surface should have sufficient strength, its surface quality should be consistent with national standards and norms in force.
14.1.4 ground paving pattern and fixed methods should meet the design requirements.
14.1.5
Natural stone in pavement before taking protective measures to prevent defacement, crystalline bloom.
14.1.6 wet job construction site environment temperature should be 5 ℃ above.
14.2 main material quality requirements
14.2.1 ground paving material of varieties, sizes, colors and even meet the design requirements and should products certificate of competency.
14.2.2
Floor surfacing the joist, pad, wool floors wood moisture content, as well as corrosion, decay, fire and so should conform to national standards and norms in force.
14.3 construction elements
14.3.1 paving stone, floor tile shall conform to the following:
① Stone, floor tile laying before soaking wet. Natural stone paving the former should be on color, parquet and try to spell, number.
② paving the former should be based on design requirements determine the binding layer mortar thickness, La cross line control its thickness and stone, floor tile surface smoothness.
③ binding layer mortar use volume ratio is 1: 3 cement mortar dry hard, thickness should be above the actual paving thickness 2 ~ 3rnm. Paving before in cement mortar on brush with water-cement ratio of 1:, 2 in cement or dry cement after 1 ~ 11.2mm
④ paving stone, floor tile should maintain standards in place, with a rubber hammer tap the close bond with mortar, and adjust its surface smoothness and slit width.
⑤ paving surface should be clean up after, after 24h 1: 1 cement filling, choice and ground color consistent color and white cement mixing evenly after filleting.
14.3.2
Bamboo and wood floor surfacing should satisfy the following requirements:
① base error shall not be greater than 5mm smoothness.
② pavement before the primary treatment for moisture-proof, moisture-proof layer to brushing waterproof coating or laying plastic film.
③ pavement before the floor for matching, it is expedient that a texture, color nearest floor set used in a room or area.
④ joists should be securely connected with grass-roots, fixed spacing should not be more than 600mm.
⑤ gross floor should and keel to 30 ° or 45 ° fastening, plate joints should be 2 ~ 3mm, adjacent Board joints should be staggered.
⑥ keel direct surfacing floors, primary and secondary joist spacing should be based on the floor of the modulus calculations to determine the length and width, floor joints should be in the middle of the keel.
⑦ nail length should gauge 2.5 dingmao should hit flat. Fixed should be from AU 30 ° angle Tenon side tilt nail into. Hardwood flooring you bored, Aperture should be slightly smaller than the diameter of the nail.
⑧ gross floor and the floor and walls should be left between 8 to 10 mm gap.
⑨ floor polishing after grinding, the first plane grinding should shun the total wood grain direction, grinding should be controlled at 0.3 ~ 0.8mm.
⑩ single straight flooring of grass-roots level must be flat and no grease. Paving before in basic brush a layer of thin and uniform of adhesive to improve bond strength. Paving back when the base and the floor should be brushed rubber, non-stick hand for paving. Puzzle application hammer claw when beating the close, not larger than 0.3mm joints. Overflow of the gum liquid should be cleared in a timely manner.
14.3.3 flooring pavement should satisfy the following requirements:
① moisture-proof cushion should be smooth paving, seams must not overlap.
② When you install the first row should be the Groove sides against the wall. Floor and wall should be left between 8 to 10 mm gap.
③ the length or width exceeds the room 8m, should in the proper place of expansion joints.
14.3.4
Carpet pavement should satisfy the following requirements:
① carpet on the mosaic by tanmian fluff and weave into the same direction the concatenation.
② When using stretch carpet tensioner, exertion should be conducted in a V-shaped, should be considered by the carpet Center to expand.
③ When using barbed plate fixed carpet, along the room around the barbed plate and grass-roots firmly fixed.
④ carpet direction should be paving tanmian fluff to the direction of the backlight.
⑤ full carpet, apply flat shovel will blanket the frontier into the card and the gap between the wall or into playing feet below.
⑥ ConferenceShear stairs carpet, length of stay with some allowance for in use can move the location of the ordinary wear and tear.
15. sanitary equipment and pipeline installation engineering
15.1 General provisions
15.1.1 this chapter applies to the kitchen, the bathroom's laundry, clean body, health apparatus of installation as well as household water inlet valve and the pipe when the indoor drainage pipe segment of the pipeline construction.
15.1.2
Health apparatus, various valves, etc. should be actively using water-saving appliances.
15.1 equipment and .3 various health pipeline installation shall comply with the design requirements and national standards in force.
15.2
The main material quality requirements
15.2.1 health apparatus of varieties, sizes, colors should comply with the design requirements and should products certificate of competency.
15.2.2
Drainage pipes, fittings should be consistent with the design requirements and should products certificate of competency.
15.3 construction elements
15.3.1
Various sanitary facilities and the ground or the wall of the connecting metal fittings installed securely. Metal fittings should be treated with preservatives. When the wall is a porous brick, the chisel hole fill solid cement mortar after fitting installation. When the wall is light partition, you should set the in vivo in-wall rear inserts, rear inserts should be securely connected with the wall.
15.3.2
Various sanitary appliances installation pipes fittings should be easy to disassemble, repair. Drainage pipe connections should be used with rubber gasket drain plug. Sanitary ware and metal fitting connection surface should be placed and lead or rubber gasket. Various sanitary ceramics class apparatus shall not be used for cement mortar Wo inlay.
15.3.3 various health appliances and floor, walls, floors and other contacts should adopt sealant or waterproof seal sealing.
15.3.4
Various sanitary ware installed after the acceptance of the finished product should take appropriate protective measures.
15.3.5
Pipeline laying horizontal even vertical, pipe clamp position and pipe slope etc. should conform to specifications. The valve should be installed in the correct position and is fair, ease of use and maintenance.
15.3.6
Embedded in the walls, floors of pipeline anti-corrosion treatment should be conducted and cement mortar, its thickness should meet the following requirements: wall inner cooling water pipe is not less than 10mm, hot water pipe is not less than 15mm, embedded in the ground surface is not less 10mm pipeline. Embedded in the walls, floors or concealed duct should be hidden project acceptance.
15.3.7 hot and cold water pipes installed should be left heat right cold, parallel spacing should be not less than 200mm. When hot and cold water supply system uses water separator water should be used to connect semi-flexible pipe.
15.3.8, various type of pipe installations should be provided by manufacturers of the product specifications for construction.
16. electrical installation work
16.1 General provisions
16.1.1
This chapter applies to residential single-person households distribution box meter indoor circuit wiring of electrical and electronic equipment, lighting installation.
16.1.2 electrical installation and construction personnel certificates.
16.1.3
Distribution box meter should be under indoor electrical devices of different power supply separate wiring; high-power electric appliance equipment should be independent wiring installation Sockets.
16.1.4
Wiring, phase line with neutral colors should be different; the same residential phase line (L) color should be consolidated, the zero line (N) use blue, protection wire (PE)-Green two-color line must be used.
16.1.5
Circuit piping, construction and electrical wiring, fixtures installed in addition to compliance with these provisions, there should be consistent with national standards for the existing norms.
16.1.6 project completion time should owners provide electrical project completion chart.
16.2 main material quality requirements
16.2.1 electrical, materials specifications, model should meet the design requirements and national standards for the existing electrical products.
16.2.2
Electrical appliances, packaging materials and appliances should be intact, the material appearance should not be damaged, accessories, spare parts should be complete.
16.2.3 plastic wire protection tubes and junction box must be flame retardant products, appearance should not be damaged and deformation.
16.2.4 metal wire protection tubes and junction box appearance should not be folded flat and cracks, tube should be no burrs, tube should be formed.
16.2.5
Communication system using terminal boxes, junction box and power distribution system of switches, outlets, to choose the same series.
16.3 construction elements
16.3.1
According to the electrical equipment location, determine pipeline, elevation and location of the switches, outlets.
16.3.2 power cable harness, wire cross section area should meet the electrical equipment of the maximum output power.
16.3.3 dark line laying must piping. When the pipeline length exceeds 15m or two right-angle bending, should an additional pull cable boxes.
16.3.4
Same circuit wires should be put into the same root canal, but in the total number should not exceed 8 root, wire total cross-sectional area (including insulation jacketing) should not be longer than the tube section area of 40%.
16.3.5
Power and communication line shall not be put into the same root canal.
16.3.6 power cable and Sockets and television cable and socket level spacing should not be less than 500 mm.
16.3.7
Wires and heating, hot water and gas pipe between parallel distance should not be less than the distance 300mm, cross shall not be less than 100mm.
16.3.8
Into the pipe wire connectors should be located in the junction box, connector lap should be firmlyThe insulating tape wrapped tightly should be uniform.
16.3.9
Install the power outlet on the left side of the socket should be zero line (N), the right should add the line (L), the middle ground above should receive protection (PE).
16.3.10
When the weight in 3kg chandelier and above, you should install in ceiling rear inserts, and then set the lighting fixtures in the rear inserts. Non-installed in a wooden wedge, wooden bricks.
16.3.11
Connection switches, Edison lamp wire, the line should now switch, switch out of the line should add in 16.3.12 traverse and wire-to-ground resistance must be greater than 0.5 M Ω.
16.3.13
Same indoor power supply, telephone, television and other socket panel should be in the same level of elevation, altitude difference should be less than 5mm.
16.3.14 kitchen, the bathroom should install splash Sockets and switches to install the door opening on the side of the wall.
16.3.15 power socket on the bottom margin to appropriate 300mm, flat switch plate bottom margin to appropriate 1400mm.