( A ) Circuit Engineering

1. Approach before checking whether the household total supply air switch . If not, should be installed immediately after the order of construction of electricity. Before construction is determined by the electrical circuit in accordance with the construction sketch design , construction can only after approval by the owners . All lines must be smooth vertical and horizontal . As embedded hidden in the ceiling, walls, and draw maps as well completion data . ( If there is no sign of the owners of construction completion data can be drawn not handle text and settlement )

2. Inspection of the original line is qualified, such as failure suggest that the owners of all heavy cloth, circuit design should be practical, reasonable , specifications, safety .

3. All lines must wear a tube , member of the Yellow River wax tube . ¢ 16 tube can be worn 3 4mm2 2.5mm2 wire or 4 wire , 20 can be worn five or seven lines 4mm2 2.5mm2 wire .

4. Firewire power outlet , the zero line , are 2.5mm2 copper ground wire money . FireWire red line , blue line with the zero line , bit line of control light switch with yellow lines, ground lines color lines.

5. Conditioned line 4mm2 wire , grounding wire is 2.5mm2 wire , air line must be grouped separately , Guiji walking lanes , windows machine , split type can be two to one group. Suggest that the owners should be the default for each room air conditioner outlet. ( Contract specified brand wire )

6. Television lines, telephone lines , audio lines, network lines are designated brands, shall not wear a tube with strong electricity , according to customer requirements in each room to consider the strength of power should be embedded tube of boxes .

7. Outlet must be done left -right-fire ( or lit under zero ) switch ( socket ) must be the same height from the ground may not have the wire connector pipe fittings must be used for all lines winding method .

Embedded audio line in place , the length of the wall section should be 1.5m. Determined according to the position around the line of symmetry .

Cable box wire should be left margin , phase wiring into the switch , the zero line directly into the lamp . Screw cap machine can not connect housing.

Position switch in the same room height must be consistent.

Finish line inspection and test must be concealed lights, the emperor could shake table Buried , smooth with cement mortar , but not higher than the wall. TV, telephone , internet should focus on checking between line and ground line insulation resistance value shall be greater than 500MD.

Switches, sockets firmly installed in the correct position , the cover upright, surface cleaning , surrounded by no obvious gaps.

( Two ) waterway engineering

1. According to the owners and design requirements , pipes should be buried in the wall. Ceiling , try to avoid the ground, brand choice , quality assurance , compliance with national regulations or design requirements , to determine the depth of less than 50mm. Leading toilet, bathtub , etc. must include protection.

2. Pipe installation should smooth vertical and horizontal , laying a solid , gradient to meet the requirements , switches, faucet installation Euparagonimus , flexible and easy to use , pipeline design is reasonable , reasonable arrangements to practical and aesthetic purposes , various pipes out of the wall should be located strict accordance with the regulations.

Pipe card must be securely installed , plumbing installation may not be close to the power supply. Installed around

tub mixing valve position on the tub in the middle ( first determine the bathtub size ) left and right hot and cold water to sit so that 's blocking the line of sight as much as possible by setting in place . Sanitary securely installed smoothly , no damage, drain plug , drain installation flat, below ground .

Before installing a bathtub , you should check whether the waterproof integrity , according to the actual requirements for . After

sanitary ware installed , you should pass the water test , the normal use of qualified inspection pipe fittings , toilet leaks . Mounting hardware accessories, note the location switches , pipes , to prevent damage to the walls of the pipes and lines.

( C) wood production engineering

⑴ decorative doors and windows and installation works

Check the base material . Selection of qualified wood keel and 15mm Daixinban as base material . Check before the primary wall construction , flatness, large wall damaged by water slurry in order to carry out the construction of wood after Zhaobu grassroots level .

Base material and wall contact surfaces must be removed engineering and customer cotton with moisture , termites and formaldehyde consultation before being approved construction .

Grassroots sets of doors and windows using Daixinban sets timber cutting. All doors should be highly consistent. With cement mortar for the walls of the stuffing box is strictly prohibited .

Use of double doors opening of 15 mm Daixinban production, installed locks at special reinforcement. Daixinban cross- cut openings should be done . After the cover plate , put heavy pressure level set three days in summer , in winter 5 days .

Doors and panels must be selected before using reasonable classification, the use of cover materials and colors , using white latex panel mosquito nails . Culex mosquito panel must use stainless steel nails . Key inspection before use mosquito nails nail hole size , adjust the nail to ensure results.

Corner joints tight lines , trunking smooth , texture , color and little change ; fixed firmly nailed nail holes line concave joints .

Door handle from the ground 900-1050 mm. Lock 900-1000 mm ( locking center position ) , connecting hardware installation is complete , the location is right, fixed and reliable. Door Stopper securely installed , the location accuracy . Protection must be wrapped immediately after the lock is installed, so that pollution.

Determine when the double-leaf sliding door width , two side doors handover should coincide more than 1cm , sliding doors and doors should be anyway seam split evenly stacked , tight . Shoji doors should be hidden files , the door latch and ground positioning.

⑵ furniture production engineering

Familiar with the drawings , according to the drawings , technical tests of workers to calculate the amount of material .

Prepare moisture, termites , anti- formaldehyde work .

Check repurchase materials, certified before use . The carpentry ingredients, choose to use ① decorative panel : color door trim ingredients should be small . ② lines choose to use : uniform color, no obvious defects

Sets of material cutting.

Same door leaf production and production processes. Gap size 3-4 mm, cabinets, counters exceed the cap should shut the door after 5-10 mm. Same plane door may not have obvious difference, need to adjust the hinge fastening , open and flexible .

⑶ ceiling decoration process engineering

Familiar with the drawings to determine the size of the construction disclosure. Curved top surface modeling should be staked on the ground , determine the correct order on the top , and to ensure the smooth lines . Before

ceiling keel with a metal frame or wood , steel expansion try to hit the seams may not be used as a hanging wire , welded expansion should be snails mother pressed wood keel .

Times using light steel keel keel or wood keel .

Dozen wooden shed keel grid should be noted that the position of the lamp , the lamp tube openings may not have wooden keel , ceiling lights suck reinforcement should be a separate deal with the main living room lights should be added to the steel Expansion . When

closure plate , attention will be dragged out of the top surface of the lamp circuit , in accordance with the construction drawings on the cover panel set downlights elastic line position , pulled thread.

( Four ) paint project

Latex construction technology

Old house must be in addition to the original full capacity of grassroots clean ( except for new houses , and good old paint ) , before scraping ash with two meters on foot to check the original grass. If false Jing超过5 mm, with talcum powder plus cement or gypsum powder smooth.

Underside grassroots gypsum board , gypsum powder groove joints , paste with kraft paper or special boron .

Laminates grassroots must brush again alkyd varnish , putty stir stir when using an electric drill , suitable viscosity , glue evenly.

Putty gray , the appropriate add some white latex and alcohol varnish, drill stir .

Scraping putty after the first pass , again after the former can only be dry again after construction .

Second time after treatment wall putty , should reach Omo smooth, flat , flatness inspection by two meters on foot , Omo should be ≤ 2mm.

Third time as a local Zhaobu , flatness Zhaobu . When

putty , dropped on the floor or elsewhere ash should be minimized. Prevent contamination of other types .

Scratch personnel in the height of construction , you should use a ladder , or a high stool , stepping on wooden prohibited . If the ground has been completed, while further construction, horse stool , ladder rack can only be used after a foot cloth wrapped .

( Five ) as mud engineering

1. Walls, fill holes Engineering

Before watering should be sufficient for all light brick red brick or use . Gray mortar joints plump, smooth vertical and horizontal .

All wall Pihui , sand -cement ratio is 1:2.5-3 wall joints and the original double-sided nail stencils . 2 meters on foot to check the verticality of ≤ 3 mm, flatness ≤ 3 mm. Before Pihui response to pure mud on the wall brush again . All negative angle , sun angle straight.

2. Tiling project

A, property owners in the selection of tiles needed to tile quality finds its approach : First, look at its color is uniform , non- variegated black spots and holes the line ; followed depends on whether the standard of its size , with tape measure the length and width of tile , consistent with its trademark to measure out the size of the factory size , then the amount of its diagonal tile , such as consistent diagonal size, the tile is positive ; then look at the flatness of the tile , the most simple effective method is to use the same brand of two overlapping tiles pros and cons , as there are obvious gaps or you can rotate the tile after tile uneven overlap between the two ; Finally, there is no color tiles to see the method is to take a few pieces of the same type Tile samples are compared in the light , as do not see the color differences can be ordered .

B, to note the need for inter- tile mosaic paving or unified direction .

C, floor tiles flatness with 2 m spirit level to check the error does not exceed 0.5 mm, height of adjacent tiles shall not exceed 0.5 mm, the gap flatness 3 mm, when laying tiles , other types of pollution shall not be artificially stampede . 24 hours after the completion of the tiles clean seam , made ​​with clean and do conservation .

D, brick hollowing phenomenon controlled within 3% , hollowing , including the main channel must rework, 3% refers to a single block of a single corner void, shall not block hollowing .

E, floor tiles Puwan then check whether the flatness error , after hollowing , color , etc., with a thick cardboard or plywood , old carpet , and all other protective cover plate must be attached sutural closely with a wide paper tape, to prevent debris to enter.

F, under normal circumstances, the level of the floor tiles error allowed 2 mm , the gap must be consistent with tiles , bricks and tiles should be flat on the corner ( allowed error of 0.3 mm ) , kitchen, health in addition to brick wall tiles bricks should be flat on the corner , the need to level degrees ( allow 1 mm error ) and vertical degrees ( allowing 2 mm error ) to achieve , bathroom, balcony and brick floor drain to be considered , you must first put away slope, if there is no special The reason may not have water .

H, rear wall and floor tiles Puwan required " grout " or "white cement" wet slurry sealing .

Attached Shenzhen home renovation project quality acceptance criteria

I. General Provisions

1.1 In order to regulate the behavior of home decoration to ensure the safety and quality of the project construction , according to the "Shenzhen family home decoration regulations," the development of this standard.

1.2 This standard for the city home construction quality acceptance basis.

1.3 This standard is no time to the project , its quality standards relevant national construction and fitting quality acceptance criteria.

Two basic requirements for home decoration

2.1 homeowner 's responsibility to provide the relevant information needed renovation .

2.2 caused due to the quality of the main structure housing decoration unable to meet the acceptance criteria of quality , construction companies are not liable.

2.3 decoration may not use decorative materials prohibited by the state . May not use substandard products decorative materials , decorative materials should be product certification or warranty book . Decorative materials because of quality problems caused by the construction side is responsible .

2.4 home decoration should ensure construction quality and structural safety , in line with property management , fire , water, electricity , gas, environmental and other relevant regulations and standards , and damage to the body and is strictly prohibited Chaigai bearing structure .

2.5 home decoration does not involve public facilities , public spaces , shall not affect the adjacent room decoration safety and environment.

2.6 home renovation may not change the drainage, electricity, telecommunications , gas and other raw pipeline system , prohibiting rainwater and sewage . Installation

2.7 gas facilities must be borne by the unit with a gas installation qualification certificate.

2.8 construction units should remind owners termite control treatment before the renovation .

Three water projects When

3.1 house interior decoration , bathroom, kitchen must be waterproof , leak-proof handle .

3.2 waterproof coating uniformity , bathroom wall waterproofing layer should be higher than the ground not less than 300MM. After

3.3 waterproof coating dry, water seepage test should be done .

Four , ceiling works

4.1 ceiling works varieties, specifications, colors, and grassroots structure, method of fixing materials used in the design requirements , and comply with current standards.

4.2 All keel structure surface smooth , straight line grid , firmly fixed.

4.3 There should be all kinds of cover panel bubbles , peeling, cracking , chipping , filthy and pattern defects , the surface should be smooth, the edges should be neat , color should be consistent.

4.4 four weeks ceiling level tolerance 5MM.

4.5 plasterboard panels for general use galvanized screws in wooden dragon backbone of the nail head should be coated with anti-rust paint , drywall joints should be left seam 2MM, paste fibrous material handling workers at the seam to avoid gypsum board expansion joints cracks appear . Ceiling lights inside the tank

4.6 , bracing installation , according to the project situation appropriately furnished , light chandelier should be hung in the main keel and attached to the keel , heavy chandelier or ceiling fan may not be connected to the keel , you should separate the hook . Ceiling panel project quality set tolerance ( see Table I )

4.7 ceiling material shall comply with fire safety requirements .

Table I: Ceiling panel project quality tolerances set

Item Project Tolerance (MM) test methods

Inorganic fiber laminating wood veneer panels plastic sheeting, PVC opaque , translucent glass

Superfine wool board mineral wool board A flat surface

2222 with 2M on foot and wedge feeler , perception formation

2 seams straight 3333 raton ray

3 0.5 1 0.5 1 level seams straight and wedge feeler

Five , ground engineering

5.1 flooring material variety , grade and moisture content should be consistent when laying relevant national standards and meet the eligibility requirements. Laying the ground should be done to deal with moisture .

5.2 wooden joists , subfloor and skids , etc. should be treated with preservatives . Wood joists ( keel ) must be installed firmly , straight, meet the design requirements .

5.3 boards should be attached directly to the grass roots firmly bonded .

5.4 planed wood floor surface polished , no planing marks, burrs, etc. Jiecha and missing .

5.5 tongue and groove planks firmly fixed , tight surface cracks , joints staggered position , clean surface .

5.6 parquet wood surface seams aligned stick nails tight, uniform gap width , surface clean , no excess glue bond .

5.7 If the hot wood floor wax, rub soft wax , wax spill should ensure uniform color , do not open at the end ; smooth and bright, consistent color, thickness uniformity, wood clear , clean surface . Wood floor installation shall comply with Table II. (See Table 2 )

5.8 stone, tiles must check its size, color, color , decorative panels surfaces without scratches , missing Ling off angle and other defects before construction .

5.9 stone, tile laying should be smooth and firm, flat seams , no distortion , no pollution and plasma volume marks, clean surface , color-coordinated , joint height tolerance 0.5mm, joint width 0.2mm, surface flatness not more than 2mm.

Table II: wood floor surface of tolerance and test methods

Item Project Tolerance (MM) test methods

Long planks of pine wood joists long plank hardwood parquet wood

1 surface flatness 3211 with 2M on foot and wedge feeler , perception leveling

2 baseboard catchy straight - 3 33 pull 5M cable, pull through the line and less than 5M measuring tape to check

3 board patchwork flat - 2 2 2 Ibid Gap width

4 - < 2 < 0.8 < 0.3 a ruler checking

5.10 hollowing area should not exceed 3% of the total construction area of a single block of hollowing area shall not exceed 20 %.

5.11 should be fixed firmly carpet , carpet smooth, no improvement, no dents, no Alice, meet the requirements of design , suede smooth light consistency , surface clean and free of oil damage.

5.12 carpets shut reasonable , straight, layering firmly shut .

Six , wall paper engineering

6.1 wallpaper , wall covering varieties, colors and patterns , should be chosen in accordance with the design requirements of the bonding material , and shall be accompanied by a product certification . Fire protection requirements if you can not afford a high temperature adhesive layer performance .

6.2 Biaohu construction of grass-roots should be dry , smooth surface, yin and yang angle straight, consistent color, efflorescence site should use an acidic solution and cleaning sun angle may not have seams.

6.3 wallpaper , wall covering must be attached to firm, consistent surface color , without bubbles, hollowing , cracks, Alice , wrinkles and stains, and hanging mirror line, cheek plates and baseboards handover close , no significant gap ( 1.5 m from the wall of the flat direction intuitive ) , seamless stickers and subsidies, moving parts four weeks wallpaper regular edge burr .

Seven , sanitary ware and piping installation works

7.1 sanitary ware variety, size , color or owners should meet the design requirements .

7.2 sanitary ware installation location should meet the following requirements :

Squat stool center longitudinal drainage holes from the wall surface is not less than 540MM; center sitting stool longitudinal drainage holes from the wall surface is not less than 420MM; ride from the ground surface height 300MM, urinals mouth from the ground paper 600MM: wash ' mouth wash basin basin margins ground about 800MM, tub floor is not greater than the margin of catchy 520MM.

Table 3: Diameter slope when the sanitary ware and drainage pipes connecting branch pipe Slope

7.3 diameter sanitary ware and drainage pipes connecting branch pipe shall conform to Table III requirements. (See Table 3 )

7.4 sanitary ware securely installed smoothly and without damage ; and accessories are connected to the sewer and do not leak tight .

7.5 dark water pipes must be located pressor test ( 1.5 times the working pressure without leakage ) before closure .

7.6 and all kinds of sanitary ware to drain through the floor when the peripheral should be waterproof.

Eight , joinery works

8.1 wood moisture content is not more than 13% , may not have the appearance of deadlock , cracks and insect eyes .

8.2 plywood surface should be smooth , not wood fiber degumming, discoloration and decay.

8.3 joinery processing the correct size , smooth surface, corner Founder , lines Shun , wood clear , consistent color, tight fitting , ignorance tenon , hanging plastic cap and exposed nails and other defects .

8.4 and primary wood products must studded solid, no loose cover panel and the liner must be firmly bonded, may not appear from the floor , from the dark phenomenon .

8.5 joinery survived surface clean , pollution-free, consistent color .

Nine , plastering works

9.1 surface should be clean , then rub smooth, straight line angle , firmly bonded, no delamination, no defects and cracks ash explosion .

9.2 with a hammer gently tap to check for hollowing, cracking without hollowing the area is not more than 20CM.

9.3 plastering quality allows the size of the deviation should meet the following requirements ( see Table 4 )

Table IV: plastering quality allows size deviation

Project tolerance and acceptance

Gage measurement methods

Surface flatness ≤ 3 2M on foot and wedge feeler measuring less than two per room maximum value

Facade verticality ≤ 42M care line board randomly selected one wall of each room measuring less than three , the maximum value

Yin verticality ≤ 3 Founder of the yin and yang angle

≤ 4 feet and a wedge with a feeler gauge to measure a yin and yang of each chamber random angle

Ten, doors and windows

10.1 windows varieties, specifications, opening direction and installation location should meet the design requirements.

10.2 install windows and doors must be solid , smooth vertical and horizontal , level of consistent , open and flexible , hardware accessories should be complete, the seal should be turned off at the compressed state, the outer door window should not leak water. Aluminum windows and doors installation dimensions shall comply with Table V. (See Table 5 )

10.3 doors and spare parts shall comply with the existing national quality standards, industry standards, according to the design requirements of the choice not to use substandard products.

Table V : aluminum windows and doors installation size

Project tolerances (MM) inspection methods

Doors, windows notch difference between the diagonal dimension of the ≤ 2000 ± 2.0 steel tape measure , a random sampling of not less than three , the maximum value

> 2000 ± 3.0

Door, window side of the notch difference ≤ 2000 ± 2.0

> 2000 ± 2.5

Door frames fan lap width difference ≤ 2M2 ± 1.0

> 2M2 ± 1.5

Door frames ( including fight tang material ) ± 2.0 degrees with the vertical and horizontal lines hammer on foot , randomly selected a measurement

Door frames ( including fight tang material ) level with the level of ± 1.5 degrees on foot , randomly selected a measurement

Doors opening force , N ≤ 60 with less than two 100N tensile tester checks , take the maximum

Elevation ≤ 5 horizontal frame doors with steel tape measure any two , take the maximum

Doors and vertical offset from the center line of ≤ 5 with hammers and steel tape measure any two , take the maximum

Double doors inside and outside the box ( including the fight tang material ) center distance ≤ 4 steel tape measure any two , take the maximum

XI, paint works

11.1 works with paint coatings and semi-finished products , should be within its validity period , and instructions for use and product certification . Plastic and easy -coating paint works with

11.2 shall meet the construction requirements should be solid after drying . When mixed with the right amount of white cement putty using talcum powder or white latex to increase its strength and adhesion.

11.3 grassroots missing edges and corners repaired with cement mortar 1:3 , surface pitting and crevice application of putty to fill the face flush .

11.4 dust on the surface of the grass-roots , dirt, various coatings on the original walls should be cleaned , efflorescence Department should use acidic cleaning solution . After

11.5 putty dry cleaned should be polished .

11.6 paint surface should be the same color , not a powder out from the skin , through the end of the drain brush, efflorescence , close color flow fall , pimple phenomenon .

11.7 applying paints and coatings shall not pollute the area of non- brushing and appliances .

11.8 paint works substrate or substrate moisture content , concrete and plaster surface moisture content of not more than 8% -10 % , the moisture content of wood products is not greater than 13%.

Twelve , electrical engineering

12.1 in decorative works electrician must hold state departments of electrical work license issued .

12.2 entering the building with a total power must be three-phase five -wire system , the power to enter each user must be single-phase three -wire ( phase, neutral , ground ) , all kinds of boxes, boxes must be grounded , the grounding resistance ≤ 4Ω less.

12.3 before installing complex circuits , you should see the meter capacity, based on user requirements and design selection of wire cross-sectional area , draw circuit diagrams , and marked the trend line (including height ) , conductor cross-sectional area and specifications submitted to the user after the completion of drawings.

12.4 home improvement project electrical equipment and materials must be national qualified products.

12.5 switches, sockets, installation and construction elements: phase should be controlled by the switch , the switch -off position should be consistent and flexible access to reliable operation . 1.3M (inclusive 1.3M) should install security socket .

12.6 distribution box should be located leakage circuit breakers, operating current should not exceed 30MA, must have overload , over-current protection, the second outlet , respectively, control lighting, power ( air conditioning ) , sockets . Do not use a fuse instead of the other metals

fuse .

12.7 indoor plumbing , the total cross-sectional area of ​​the wire tube should not exceed 40% of the inner diameter of the pipe cross-sectional area , not a kink in the pipe fittings and wires , telephone lines , TV cable , etc. can not be installed in the same pipe .

12.8 single-phase two -hole outlet , face outlet on the right hole or holes with wire connecting the left hole or holes with the zero line next phase ; single-phase three-hole socket , facing right hole socket with phase line phase , the left hole with the zero line phase, grounding wire should be connected to the hole , the ground terminal socket should be directly with the zero line terminals .

12.9 tied mounted switches , sockets should be the same height from the ground , the height difference should not be greater than 1MM.

12.10 electrical wiring and water pipes laid in parallel distance of not less than 500MM, with the laying of the gas pipeline parallel to the distance nor less than 100MM.

XIII, construction quality inspection and determination

13.1 acceptance procedures

Plumbing, electrical and other hidden items should be transferred to the next process in front of the owner and the construction of acceptance signed by both parties . After

decorative completed construction shall be self-inspection , if they meet the requirements, can be delivered to the owners acceptance.