United willy PVC floor design

First, prepared on the basis
1. Party to provide construction drawings;
2, the construction site to the actual situation;
3, ground engineering acceptance of construction quality (GB50209-2002);
4. Noise Limits for Construction Site (GB12523-90);
5, Party tender documents and the relevant technical requirements.
Second, pre-construction preparation work
1, according to the ground for Construction Quality Acceptance (GB50209-2002) requirements, floor surface should be smooth, hard, dry, dense, clean and free of grease and other impurities, may not have pockmarked face, sand, cracks and other defects, flatness on foot to 2M error does not exceed ± 2MM. Please Party supervision for acceptance in accordance with the above requirements, subsequent acceptance after construction.
2, PVC plastic flooring area and adjacent regions renovation is almost complete, floor be dry, firm, and free of debris piled up. Decorators was basically dismantling, no fixed duties, we shall have other staff construction cross construction.
3. The PVC plastic floor construction requirements, the employer shall give the necessary support to the construction area will be closed, to provide lighting for the construction area, construction area to provide water and power supply.
4, floor test:
1) Temperature hygrometer detecting temperature, humidity, indoor temperature and surface temperature of 15 ℃ is appropriate, not below 5 ℃ and 30 ℃ above construction. Suitable for the construction of the relative air humidity should be bound to 20% -75%;
2) Use the moisture tester checks the moisture content of the grass-roots, grass-roots level moisture content should be less than 4.5%;
3) grass-roots strength of not less than C-20 concrete strength requirements, otherwise should be appropriate to reinforce the strength of self-leveling;
4) hardness tester surface hardness test results should be not less than 1.2 MPa grassroots;
5) For the construction of plastic floor, unevenness of the base layer should be within the range of 2 m ruler gap between the level of less than 2 mm, otherwise use the appropriate self-leveling for leveling.
5. The Party must provide safe and effective rain, moisture, direct sunlight proof materials and construction tools and equipment warehouse stacked storage places.
Third, material procurement, supply security
1, the material aspect
Our perennial with tens of thousands of square meters of the spot, if the selected non-stock item Delivery is 30-45 days.
2, the construction site discharge management
We will advance arrangements are sufficient labor and equipment at the site, once arrived, in obedience to the site under supervision, with the fastest speed to finish unloading the goods. At the same time in order to avoid the impact of rain and other natural factors, ready to rain-related items, in order to guarantee the quality of goods is not affected.
3, property owners
I Division in the process, will promptly report the relevant information to the owners, and more with the owners, Supervisor, the total package of communication, coordination, listening carefully, conscientiously fulfill the requirements or recommendations made by the owners, the fastest, most Good quality completion of the relevant work of the project.
Fourth, the construction process
1, the construction order
Processing grass - coated base oil - do self-leveling cement floor - Conservation 24-48 hours - ruled elastic line - to try to flooring - Squeegee - lay floor - exhaust compaction - Cleaning and maintenance - product protection.
2, the construction method
1) Floor Pretreatment:
① Floor requirements: clean, dry and free of grease, free from the phenomenon of sand, cracks, surface finish, hand-touch no rough sense;
② using 1000 watts or more floor grinding machine for grinding with appropriate overall floor polish, remove paint, glue residue, projections and loose land, hollowing plots must be removed;
③ with not less than 2000 watts of industrial vacuum cleaners to floor vacuumed clean;
④ aerodromes for cracks, and can be stainless steel ribs and waterproof polyurethane adhesive surface of the quartz sand repair shop;
⑤ more humid basement or ground shall be prepared and ready when appropriate civil waterproofing, pavement before the need to check whether the floor is completely dry.
2) Self-leveling construction:
① primer:
a, grassroots absorbent such as concrete, cement mortar tie layer should use the multi-purpose interface treatment agent 1: 1 ratio for blocking primer diluted with water;
b, grass-roots non-absorbent, such as ceramic tile, terrazzo, marble, etc., we recommend using dense rendering interface treatment agent;
c, such as the moisture content is too high (> 3%) and the need for immediate construction, use epoxy interface treatment agent bottoming process, but only if the moisture content should not exceed 8 percent;
d, interface treatment agent construction should be uniform, no obvious effusion. After the interfacial surface treatment agent to dry, self-leveling construction can be carried out the next step.
② mixing:
a, a packet of self-leveling cement ratio in accordance with the provisions of the stir bar into the Shengyou Qing water bucket, side dumping stirring;
b, in order to ensure uniform self-leveling, to use high-power, low-speed electric drill with a special stirrer stirring;
c, and stir until no lumps of homogeneous slurry, which was allowed to stand for aging for about 3 minutes, then stir once briefly;
e, the amount of water should be strictly in accordance with the water-cement ratio. Too little water will affect liquidity, too much strength after curing is reduced.
③ laying:
a, leveling the stirred slurry was poured into the construction of aerodromes, it will own flow and leveling the ground, if the design thickness ≤4 mm, you need a little help of the special tooth scraper Scraping;
b, then the construction workers should be allowed to wear special cleats into the construction ground, with a special self-leveling deflated self-leveling surface in gently rolling drum, stirring mixed in the air release, to avoid air bubbles pockmarked face and interface elevation;
c, closed immediately after completion of construction site, prohibit travel within 5 hours, within 10 hours to avoid heavy impact, it can be carried out 24 hours after laying rubber flooring;
d, construction, floor laying winter construction should be 48 hours after gravity;
④ floor polish:
After leveling fully dry, self-leveling ground for grinding polishing, cleaning.
5) PVC plastic floor construction
① pre-shop and Cutter:
a, either the web or block material should be placed on the site more than 24 hours, reducing memory use of the material, the temperature is consistent with the construction site;
b, a dedicated edger cutting edges of the membrane to clean up;
c, when the web laying, lap by overlapping two pieces of material should be cut, usually requires the overlap 2 cm. Keep the knife cut off;
d, while laying the block material, should be close and no seam between the two materials.
② Paste:
a, depending on the performance of the floor use the appropriate glue and scrape board;
b, When the Stones roll, one end of the web roll folded. First clean the floor and roll on the back, then scraping gum above the ground floor;
c, when the block paving material, the bulk from the middle to both sides turned up, the same will be glued back on the ground and the rear floor cleaning paste;
d, different adhesives in the construction requirements will vary, with specific reference to the appropriate product specification for construction.
③ exhaust, rolling:
a, rear floor paste, pressed wood with a soft smooth floor surface and squeeze the air out;
b, followed by 50 or 75 kilograms of steel roll evenly rolling floor and timely repair splice case of Alice;
c, the floor surface to make more glue should be wiped;
d, 24 hours later, then grooving and weld.
④ Slotted:
a, it must be slotted after the glue is completely cured. Dedicated slotted slotting along the seams, for the welding firm, slit through the end should not be recommended to a depth of slotted floor thickness 2/3;
b, can not operate in the slotted end of the site, use the manual open seam is at the same depth and width of the slit;
c, before welding, the tank must remove the remaining dust and debris.
⑤ Weld:
a, choice of manual or automatic welding torch welding equipment;
b, torch temperature should be set at about 350 to 400 degrees;
c, the appropriate welding speed (guaranteed rod melting), the welding rod extruded into uniform to open a good groove;
d, when the electrode half cooled, electrodes Shuhei or months electrode type cutting knife cut off the rest of the raised portions, generally for two shaved, so that the joints between PVC and wood more completely flat effect.
⑥ stairs PVC plastic floor construction
a, according to the Party to provide the program, the design requirements for stair tread platform to do self-leveling construction process.
b, self-leveling polished clean.
c, according to the size of the stairs to make PVC plastic flooring crossed.
d, with a special glue for PVC plastic floor staircase get in scraping gum, paving.
e, use a rubber mallet Paving whole beat.
⑦ product protection: Construction 24-48 hours after the completion of clean-up, clean the site, please Supervisor, after the delivery of Party Party finished product acceptance protection.
Fifth, the construction site general layout and management
1, the opening area, set the alarm, a personal guard, anti-idlers out.
2, construction workers equipped with a unified work permits, undocumented prevent its admission.
3, at the construction site and warehouse equipped with fire fighting equipment, fire fighting training staff to do all the construction.
4, the construction of the water, electricity provided by the Party. Require the construction area power distribution boxes and other facilities, water, electricity interim arrangements shall comply with the safety requirements of technical regulations.
5, site material piled up, self-leveling and other reasonable stirring area, the principle of security officers to the construction division. Sixth, project management and coordination
1, the construction site quality management and technical support
1) strictly in accordance with PVC plastic floor construction conditions and technical specifications for quality management, and pursuing quality first principle.
2) the establishment of three technical quality supervision and management mechanism to ensure the construction quality:
① floor, self-leveling, glue factory technical representative to the scene to carry out regular or ad hoc technical quality inspection, guidance;
② company professional and technical personnel for quality supervision and management;
③ construction team special, someone responsible for the technical quality of supervision and management.
2, safety measures
We must implement the "safety first, prevention first" approach, strict implementation of security measures in accordance with relevant provisions of the construction technology, construction and improve accountability.
3, arrange full-time quality management personnel attendant jobs, strict quality control, for each link to the construction personally check, in strict accordance with quality acceptance criteria acceptance, the construction process can be carried out after passing below.
4, on-site project manager to ensure that the 24-hour on-site arrangements for guiding operations.
5, actively cooperate with the owners, supervisors of our management, to question the owner, supervision put forward a positive, proactive rectified.
6, actively cooperate with the construction unit of the finished product has to care.
7, strict implementation of and follow-owners, the rules and regulations of the construction supervision unit raised.
8, see the specific management organization managing the network map.
Seven, deployment and management of construction
1, the site delivered and under construction conditions permit, subregional construction.
2, reasonable arrangements for construction workers, and reasonable division of labor, as detailed staffing tables.
Eight site safe and civilized construction measures
1, safety measures
1) the establishment of project management professional security personnel, clear responsibilities and powers of security personnel.
2) construction site closed management, security personnel responsible for monitoring personnel and material access.
3) construction workers equipped with a unified work permits, undocumented persons, security personnel have the right to prevent its admission.
4) Where a person entering the construction trades are required to Put its special protective clothing.
5) construction of water, power distribution, lighting and other professionals in accordance with the relevant provisions of the supervision provided, and make the protection and use measures.
6) construction site set up temporary library materials, classified storage of flammable materials, materials, such as paint, glue class set up a special warehouse, personnel management. Warehouses and construction sites equipped with fire fighting equipment.
7) During construction, in order to prevent accidental accidents, construction workers set up fire prevention team, responsible for the safety of personnel, construction workers each fire safety education, posting a prominent place at the site of fire notices and regular check fire safety measures.
2, the construction site looks
Construction site to hang five cards a map, is project profile cards, security cards discipline, safety placards, safety record card, civil construction and construction licensing system plan. Five cards a diagram complete and beautiful.
3, scene civilized atmosphere
Temporary construction site within the display of campaign posters, using the blackboard or Baolan, often for new content; the entrance to the construction site hanging publicity banners.
All construction workers wearing work permit, indicating the name, position, status and number on it, indicating that all machinery and equipment the company name.
4, life and health
The development of life and health management system, improve health and dormitory cafeteria food hygiene; set flush toilets and toilet cleaning work to do; not Dumping garbage, into urban life garbage disposal systems; prohibited within the site were fighting, stealing, gambling and other irregularities. Nine, environmental protection program
1, noise control
Comply with noise limits for Construction Site (GB12523-90) provides good control of noise, avoid adverse effects on the surrounding units and residents, to prevent the occurrence of disturbing events.
2, sewage
All wastewater, sewage treatment approved in accordance with Methods into sewage system, no pollution of the environment; location of all construction waste shipped to the provisions of the approved method for processing, garbage city regulations should concentrate every day into the city waste disposal systems.
3, sanitation
Construction site prohibit smoking, no toilet, maintaining unobstructed construction, construction workers to do their own personal health and the environment and health.
4, artifacts
Construction process, take on where the affected ancient artifacts and protection measures, the need to protect the cultural relics protection plan proposed monitoring, reporting units to be protected.
Ten, construction machinery and materials planning
1, the construction machinery and tools
According to the performance characteristics of PVC plastic floor, equipped with the following equipment and special tools:
※ German original WOLFF dust floor grinding machine and various ancillary grinding block the use of disc
※ strong vacuum cleaner
※ leveling special tools
※ special trimming device
※ according to the Wall scriber
※ WOLFF65KG squeegeeing and hem roll
※ deflated roll
※ ground detector
※ other kinds of professional tools, measuring tools
2, materials planning
Reasonable based on the total area of ​​optimization and construction programs to reduce losses.
3, see the construction equipment, tools Figure