Technological map of the device of cement-sand screed. Technological map semi-dry screed
A typical technological map was developed by the technology design department finishing works Mosorgstroy trust (L.K. Nemtsyn, A.N.Strigina) and agreed with the Department of finishing works of Glavmosstroy (I.G. Kozin).
1 AREA OF USE
1.1. Routing designed for the device of cement-sand and polymer cement screeds designed to level the surfaces of the underlying floor element or to give the floor a specified slope.
For monolithic cement-sand screeds intended for floors made of parquet and polymeric materials, a solution of a grade of at least 150 is used.
Polymer cement mortar is an ordinary cement-sand mortar, which contains a polyvinyl acetate dispersion (PVAD).
The screeds take all the operational loads on the floors.
The material, thickness and strength of the screeds are assigned by the project, depending on the type of floor covering, the structure of the floors and the purpose of the premises.
This map provides for the thickness of the cement sand screed 40 mm; polymer-cement - 15 mm.
2. ORGANIZATION AND TECHNOLOGY OF THE CONSTRUCTION PROCESS
2.1. Work on the installation of screeds should be carried out after the completion of construction and installation works, during the production of which the screeds can be damaged.
2.2. The device of screeds is allowed at an air temperature at floor level and a temperature of the underlying layer not lower than 5 ° C, this temperature must be maintained until the screed acquires a strength of at least 50% of the design.
2.3. When installing cement-sand screeds, the following technological operations are performed:
grouting the surface.
2.4. When installing polymer-cement screeds, the following technological processes are performed:
cleaning the surface of the underlying layer;
taking out marks of a clean floor;
removal of beacons and sealing of grooves;
grouting the surface.
2.5. Cement-sand mortar is taken into the installation for receiving and transporting hard solutions UPTZhR-2.5.
The mortar is laid as follows: the mortar is fed from the installation to the place of laying through the mortar lines. A damper is attached to the end of the solution line, which is gradually moved by two workers.
The solution, having passed through the absorber, is smoothly placed on the base without impacts.
2.6. The place for the installation of UPTZhR-2.5 and KUSHR-2.7, the compressor must be indicated in the project of the work. The site on which the units are located should be planned.
2.7. Concrete surfaces thoroughly cleaned of debris and foreign layers. If there is cement laitance on the base, it is thoroughly cleaned with metal brushes or scrapers (Fig. 1).
Rice. 1. Cleaning the base
2.8. The polymer-cement mortar is prepared as follows: the commercial cement-sand mortar is taken into the receiving hopper of the KUSHR-2.7 complex plastering unit. Then a 10% polyvinyl acetate dispersion is poured into the bunker in the required amount(for 1 m 3 of solution - 250 l of PVA dispersion). After thorough mixing, the polymer-cement mortar is fed through hoses to the place of installation and then applied to the base through a nozzle (Fig. 2).
Rice. 2. Priming the base
2.9. When installing screeds on concrete base the surface of the underlying layer should be moist, but without accumulation of water.
The gaps between the prefabricated floor tiles, their abutments to the walls, as well as the mounting holes must be sealed with cement-sand mortar of grade not lower than 100, flush with the surface of the plates.
2.10. The level of the finished floor is carried out by surveyors using a level or water level. In this case, it is taken into account that the level of the finished floor must be the same in all rooms of the apartment or part of the floor located between adjacent stairwells.
2.11. The primer is applied to the cleaned base in a uniform layer using the SO-21A installation (Fig. 2). The primer composition for priming the base and wetting the screed after applying the solution is prepared at the work site by mixing one part of a 50% PVA dispersion and 4 parts of water.
2.12. The solution is laid along the beacons installed on the verified underlying surface, according to the marks.
For lighthouses use steel tubes with a diameter of 12.5 mm when installing polymer-cement screeds and a diameter. 31 mm when installing cement-sand screeds. They are installed on mortar stamps parallel to the long side of the wall. The first lighthouse is installed, retreating from the wall by 50 - 60 cm, the rest are placed parallel to the first in 2 - 2.5 m (Fig. 3).
Rice. 3. Installation of beacons
2.13. The solution is laid in strips bounded by two adjacent beacons. The solution is laid in strips after one. Laying starts from the opposite wall entrance doors and is led in the direction of the door. The surface of the laid layer of mortar should be 2 - 3 mm higher than the top of the beacons (Fig. 4 and 5).
Rice. 4. Supply of mortar with a damper when installing cement-sand screeds
Rice. 5. Application of the solution with a nozzle when installing polymer-cement screeds
The laid solution is leveled in the same plane with the beacons using a rule that is supported by two beacons (Fig. 6), and compacted with a vibrating screed. A day after laying the solution, the beacons are removed and the resulting grooves are filled with a solution, carefully rubbing it with a trowel. The resulting beads of solution are scraped off with scrapers.
Rice. 6. Leveling mortar
2.14. Freshly laid cement-sand screed is protected from moisture loss until the mortar acquires the required strength. To do this, one day after installation, it is covered with matting and moistened with water for 7 - 10 days at least once a day using the SO-21A installation.
2.15. When the screed reaches a strength of 25 - 30 kg / cm 2, the screed surface is smoothed and trowelled with a CO-89 cement screed grouting machine (Fig. 7).
Rice. 7. Grouting the screed
2.16. Acceptance of work on the installation of screeds is carried out in accordance with the requirements of SNiP III-B.14-72 “Floors. Rules for production and acceptance of works ":
cracks, gouges and open seams in screeds are not allowed. The deviation of the screed thickness from the design is allowed only in certain places and should not exceed 10% of the specified thickness;
the surface of the screeds should be at the level of the specified marks;
the surface of the screeds must be horizontal or have a predetermined slope. The horizontalness is checked with a control rod with a level;
the evenness of the screed surface is checked with a two-meter rail, which can be moved in all directions. The gaps between the screed and the rail should not exceed 2 mm;
humidity of screeds when installing linoleum floors, PVC tiles, textile coverings, block parquet, parquet boards and shields should be no more than 5%.
2.17. Before starting work on the installation of screeds, the person responsible for their production is obliged to ensure that the workers are briefed and the necessary overalls and personal protective equipment are issued. When performing work, it is necessary to comply with the safety rules set out in SNiP III-4-80 "Safety in construction".
Pay particular attention to the following:
persons at least 18 years of age who have passed a medical examination, have a certain qualification, know the device and design features of the equipment, have a certificate for the right to service them, are allowed to service installations and mechanisms;
according to the rules technical operation consumers' electrical installations "installations must have their own grounding center.
Before starting work, the driver must:
make an external inspection of the installation, the state of the entrance to it;
check the serviceability of electrical wiring and grounding;
check the alarm system to workplaces.
During work, the driver must:
start and stop the solution supply only upon a signal from the workplace;
serve the solution only after thorough mixing.
The control and maintenance of the DK-9M compressor is allowed to persons who have undergone special training and have a certificate for the right to operate the compressors. Pressure gauges and safety valves must be sealed. Maintenance of the SO-89 trowel should be entrusted to a worker who is familiar with the operating instructions. The electrical connection of the machine must be done by an electrician.
2.18. The work on the installation of cement screeds is performed by a team of 6 people. The composition of the brigade is as follows:
- "- 4 -" - - 2 (B-2, B-3)
- "- 3 -" - - 2 (B-4, B-5)
- "- 2 -" - - 1 (B-6)
A 5th grade concrete worker installs beacons, applies mortar to the base using an extinguisher; evens out the laid mortar with a rail-rule; compresses the solution with a vibrating screed; rubs the surface of the screed with a trowel, controls the quality of the laid screed.
Concrete workers of the 3rd - 4th grade clean the surface, fill up the holes with mortar, install beacons, moisten the base, level the mortar over the beacons, rub the surface of the screed with a trowel.
The 2nd grade concrete worker cleans the surface, seals the potholes with mortar, moves the hoses and the damper during the application of the mortar. The UPTZhR unit is serviced by a driver who is not part of the concrete workers' brigade.
2.19. Work on the device of the polymer-cement screed is carried out by a team of concrete workers of 6 people.
The composition of the brigade is as follows:
concrete worker of the 5th grade (foreman) - 1 (B-1)
- "- 4 -" - - 2 (B-2, B-3)
- "- 3 -" - - 2 (B-4, B-5)
- "- 2 -" - - 1 (B-6)
A 5th grade concrete worker installs beacons, applies mortar to the base using a nozzle, levels the laid mortar with a rule-rail, rubbing the surface of the screed, and controls the quality of the laid screed.
Concrete workers of the 4th grade install beacons, prime the base, level the laid mortar with a rule-rail, rub the surface of the screed.
Grade 3 concrete workers prepare a polymer-cement mortar and a priming compound.
The 2nd grade concrete worker cleans the surface of the base, takes part in the installation of beacons, moves the hoses in the process of applying the mortar.
2.20. The schedule of the work process of the concrete workers link is given in the appendix.
2.21. Workplace organization diagrams are shown in Fig. 8, 9.
Rice. 8. Scheme of the organization of the workplace
B 1 and B 2 - concrete workers
Rice. 9. Scheme of the organization of the workplace
B 1 and B 2 - concrete workers
1 - rake rule
2 - screed grouting machine
3. TECHNICAL AND ECONOMIC INDICATORS
A. Cement-sand screed device
Production per person-day, m 2 - 60.8
Labor costs per 100 m 2, man-h - 13.3
including on:
foundation preparation - 4.7 (UNiR 2-46 No. 1)
screed device - 4.6 (UNiR 2-46 No. 2)
screed grout - 4.0 (TsNIB "Mosstroy")
B. Polymer cement screed device
Production per person-day, m 2 - 48.2
Labor costs per 100 m 2, man-hours - 16.59
including on:
foundation preparation - 7.79
screed device - 4.8 (TsNIB "Mosstroy")
screed grout - 4.0
4. MATERIAL AND TECHNICAL RESOURCES
4.1. Sand (GOST 8736-77, 10268-80) used for mortar when installing screeds should have a particle size of no more than 5 mm and not contain clay particles of more than 3% by weight.
Portland cement must have a grade of at least 400. The fluidity of the solution is determined by the standard cone - GOST 5802-78.
Plasticized polyvinyl acetate dispersion of PVAD should be of 50% consistency.
Material consumption per 100 m2 of floor surface:
plasticized polyvinyl acetate dispersion 5%, kg (when priming the base) - 4
cement-sand mortar, m - 4.2
polymer cement mortar, kg - 1552
4.2. The need for tools, equipment and fixtures is shown in Table 1.
|
Name |
unit of measurement |
Quantity |
Normative document, organization - calc holder |
|
|
Installation for transportation of rigid solutions UPTZhR-2.5 |
||||
|
Compressor DK-9 |
Manufactured by industry |
|||
|
Complex installation for plastering works KUSHR-2.7 |
Experimental repair and mechanical plant of the Mosremstroymash association Glavmosmontazhspetsstroy |
|||
|
Screed grout machine SO-89 |
||||
|
Installation SO-21A (for priming the base) |
||||
|
Vibrating screed SO-47 |
Odessa plant of construction and finishing machines |
|||
|
Compressor СО-7А |
Vilnius Construction Finishing Machinery Plant |
|||
|
Base scraper |
heck. 1233 Mosorgstroy HMS |
|||
|
Rake-rule 3 m long (for leveling mortar) |
heck. TE-275 Orgstroy of the Ministry of Construction of the Estonian SSR |
|||
|
Wooden grater |
heck. 1154 Mosorgstroy HMS |
|||
|
Control rail 2 m long |
heck. TE-276 Orgstroy of the Ministry of Construction of the Estonian SSR |
|||
|
LP-type shovel (for filling grooves with solution) |
ORDER LENINA HEAD OF MOSSTR OY UNDER MOSGORISP OLKOM
Moe OR GSTR OY
TYPICAL TECHNOLO G HICA I CARD A
ON THE DEVICE OF CEMENT-SAND
AND POLYMERCEMENT SCREWS
Moscow -198 2
Typical technologist and electronic card developed tana design department of iatechno l finishing works of the trust Mosorgstroy (L.K. Nemtsyn, A.N. Strigina) and agreed with the Department of Christmas tree work of the TGla vmosstroy (I.G. Kozin).
1 AREA OF USE
1.1. Technologist and iCal development map for the installation of cement, sand and floor and cement screeds, intended for assigned for the expression penetration of surfaces below the lying floor element or for pr idan and I am semi-set on.
For monolithic cementitious sand screeds, designed for under the floors from the park T and polymer mother alov, pr name t solution grade not n below 150.
By Limer cement mortar is a conventional cement tno-sand mortar, in the composition of t orogo introduced gender iv in ilacetate dispersion (PVAD).
WITH hard perceived and all operational loads and on the floors.
Ma t serial, t Thickness and strength the project is being assigned ohm depending on the type of coating T flooring, construction and the overlap and purpose of the premises.
In a real map NS redusmo trainer with a thickness of a cement-sand screed 40 mm; polymer-cement - 15 mm.
2. ORGANIZATION AND TECHNOLOGY OF THE CONSTRUCTION PROCESS
2.1. Mustache works T swarms of screeds must be T after the end construction x and installation work, for waste t in which the screed and may be damaged.
2.2 .Device screeds allowed I'm ave it air temperature at the level at the floor and temperature of the underlying layer not lower than 5 ° C, this the temperature must be maintained to be purchased and I zip strength and at least 50% of the design.
2.3. When arranging cement-sandIt is difficult to perform the following technological operations:
surface cleaningT and the underlying layer;
delivery floor marks;
installation of lighthouse rails;
solution supply by month that styling;
razravn and termination of termination of rights and scrap, moved around the lighthouses;
deleted and e of lighthouses; making of beams;
grout n surfaces.
2.4 .When the device is gender The mortar screeds are carried out by the following technological processes:
och and the surface of the underlying about the layer;
issuance of t clean floor mark;
primer based and i 5% watering and lactate d and variance of the composition 1: 9 (variance: water);
installation of lighthouse rails;
supplying the solution to the place of laying;
leveling mortar,rule, movable on lighthouses;
wetted and e screed and 5th polyvinyl cetate dispersion;
distance n no lighthouses and sealing of grooves;
grout over awn.
2.5. C The instant-sand solution is taken into the station for receiving and transport and treatment of hard solutions of UPT ZhR - 2.5.
The solution is laid as followsin the same way: solution from the installation to the site at the styling it is fed through the mortar lines. By the end of the solution pipe connection inen extinguisher, pos t Gradually moved by two workers.
Rast v oh, passing through the gas and tel, smoothly without hitting the slope d is based on nie.
2.6. Place for us t ano vk iUPT ZhR -2, 5 and KU ShR-2, 7, compressor a should be indicated in a work production project. Area , on which is located we are spoken vk and , should be split irovana.
2.7. Concrete surfaces rhnos ti t schatel but och isch debris and foreign their layers. AI based AI cement milk, e go carefully eyes protect metal brushes and sludge and scrapers (Fig.).
Rice. 1. Cleaning the base
2.8. NS An olimercementic solution is prepared in the following way: a commercial cement-sandy solution is fed into a direct bunker of a complex plaster unit and KUSHR-2.7. Then in the bunker I pour a t of 10% polyvinyl acetate mixture into the required amount of ect. e (for 1 m 3 solution - 250 l d ispers ai PVA). After the thorough m o nous change ivan ia floor cement I feed the solution through the hoses t to the place of laying and then applying through the nozzle t on the basis (Fig.).
Rice. 2. Og base
2 .9.When arranging a e screeds on concrete base ovani yu surface b of the underlying layer should be damp but free from accumulation of water.
Clearance s between prefabs and rails and overlaps, places of their abutment to the walls, as well as also assembly from versts and I must be hurt n s cement sand us m solution grade not n Below 100 flush with the surface of the slabs.
2.10. Have ro wen h and floor takeaway geo-disintegration with the help of n vel ira il and water level. NS and this takes into account that the level of the pure floor should be the same in all premises of the apartment or in part floor located between adjacent l eats and cells.
2 .11 . G dressing is applied to och searched base equal measured layer pr and help to install SO-21A (Fig.). Ground th composition for ogre ntovk and founded iya and smach ivan i I applied the screed after the solution of the ready-to-use at the place of production T va works by mixing one part 50% - nd d version of PVA and 4 parts of water.
2.12. Solution laid on lighthouses installed according to the verified desiring surface and , according to the t-tags.
For ma i kov is used for steel pipes with a diameter of 12.5 mm when installing the floor with cement screeds and diameters. 31 mm pr and device cement-sandy x screeds. I install them t on mortar stamps parallel to the other side with t eny. The first lighthouse is set they are located 50 - 60 cm away from the wall, the rest are placed in parallel The first one after 2 - 2.5 m (Fig. ).
Rice. 3. Installation of beacons
2 .13. R the mortar is laid in strips, ogre nor two neighboring and beacons. Laying mortar in strips for and They make one after one. Laying starts from the wall, prot Ivo put it entrance doors and ve d is directed towards and doors. The surface is laid the layer of solution should be higher than the top of the beacons by 2- 3 mm (fig. I).
Rice. 4. Submission of races T thief with the help of a damper when installing the cement screeds
R and with. 5. Application of the solution with a nozzle during the device tve polymer cement with heavy
Align and I put the packed solution into one planes with beacons with the help cabbage soup right silt, which op and paradise for two lighthouses (p is. ), and compacted with a vibrator. Through with duck after uk ladk and ras tv ora lighthouse and sn and the formed grooves also drown and fill it with a solution, carefully dressing it oluterkom. The resulting beads of solution are scraped off with scrapers.
Rice. 6. Leveling races T thief
2.14. Fresh at bed cement screed p protect against moisture loss and until the solution acquires the required strength ... To do this, I close it a day after laying it. t matting and moisten with water for 7 - 10 days approx at least once a day by mouth new SO-21A.
2 .15. When available and with a screed strength of 25 - 30 kg / cm 2 screed surface smooth They are sealed and locked with a machine for attaching cement screed SO-89 (Fig.).
Rice. 7. Grouting the screed
2 .16. Acceptance of work on the device of screeds about produced according to and with the requirements of SNiP III-B.14- 72 "Floors. Rules for production and acceptance and work ":
cracks s, potholes, etc. covered seams in screeds are not up to start up. Rejected and e thickness of screeds about T design is allowed only in certain places and should not we are in breathe 10% of the given thickness shins;
screed surface e to should be at the level of data on marks;
surface with t the slots must be horizontal or beyond a given slope. Gore from n tality is checked with a control rail with a level;
evenness of surfaces T and with heavy checking t with a two-meter rail, movable in all directions niyah. Gaps between s t yazhkoy and rail should not be embroider 2 mm;
ow Stiffness for the installation of floors made of l inoleum, PVC tiles, tex til n coatings, piece park ta park t ny boards and boards should be no more than 5%.
2 .17. Before starting work on the device of screeds ts tvvenny z and their production is busy to provide instructing workers and you giving the necessary specialist clothing and personal products dual and you. When performing work T you must follow the rules T safety technicians,set out in SNiP III-4-80 "Safety technology you are in construction. "
Special v understanding should be reversed go to the following:
I admit to the maintenance of installations and mechanisms T Xia li c not younger than 18 years old, past medical examination, having a certain qualification yu know the device and constructions specific features of the equipment downgrades having certificate of the right to service them;
according to the rules T technical operation of electrical installations on demand ”, the installation should be mark your grounding center.
Before starting work T the driver must:
produce outdoor osmo T p installation, the state of the entrance to it;
NS check us equality of wiring and grounding;
check t b sys t signaling him to work months there.
During work The driver is obliged to:
start T b and stop feeding races TV only by signal alu from the workplace;
feed t Dissolve only after thorough mixing it properly.
To control and maintenance of the DK-9 compressor M I'm allowed persons who have passed since special for dg otovk u and having a certificate for the right to operate and compressors. Pressure gauges and safety valves should be T b are sealed. Service zat iroch n oh machine SO-89 should be entrusted to a worker, about s accumulated with instructors and her operation and ... The machine must be connected to the mains electric trick.
2 .eighteen. Works on device t do cement screeds T a team of 6 people. The composition of the brigade is as follows:
concrete worker of the 5th grade (foreman)- 1 (B- 1)
- "- 4 -" - 2 (B- 2, B -3)
- "- 3 -" - 2 ( B -4, B -5)
- "- 2 -" - 1 (B - 6)
Be T The 5th grade inspector installs beacons, inflicts races the creation is based on and e with a damper; evens out the laid mortar with a rail-rule; flop squeeze the solution in an ibroreika; per t rubs the surface of the screed and with the help of oh car, control T the quality of the laid screed.
Concrete workers 3 - 4 discharges clean the surface, close the hole iya solution, setting lighthouses, moisturize base, level the solution over the beacons, rub over screed with a tightening machine.
Be T onschik 2 grade och looking for a surface, covering t potholes with mortar, moves hoses and extinguisher in pro c Esse of applying the solution. Installation U PT ZhR is served by a driver, not an entrance sent to the team of concrete workers.
2 .19. Work on the organization yst wu floor and cement do the screeds t brigade be t onschikov of 6 people.
The composition of the brig the following:
concrete worker of the 5th grade (brigades and p) - 1 (B- 1)
- "- 4 -" - 2 (B-2, B-3)
- "- 3 -" - 2 (B-4, B-5)
- "- 2 -" - 1 (B-6)
Beto n u uk 5 bit mustache T ana v the lighthouses are pouring on n osit rast v op on the base with the help of NS la, razrav and bae T laid races T thief ray To oh-rule m, overwrite T surface T with T yazhk and, controls the quality T in the bag n noah with T yazhk and .
Beton 4-grade boxes install a beacon and , ogre nt ov NS base, equalize and vayu T laid races T reiki thief,per ti hide the surface T b ties.
BeT onsh and To and 3 digits prepare the floor and measures c eme n tn th solution and ogre un tovochn th SOS T av.
BeT onschi To 2 category och and well T over n wasps T b grounds, pr and nimae T participation in the installation of beacons, moving T hoses in the process of applying mortar.
2 .20 ... G labor process schedule n and concrete and NS vp drive and in the appendix n ui.
2 .21 ... WITH chemistry of organization of working months T are shown in Fig. ,.
Rice.8. Organizational chart and and working month T a
B 1 and B 2 - beT onschiki
2 - box for racesT thief
Rice. 9. SchemeO pr a bottom tions working month T a
B 1 and B 2 - b e toners
1 - rake-rights and lo
2 - machine for I am per T irki screed and
3. TECHNICAL AND ECONOMIC INDICATORS
A. Device T in c momentary NS sand screed
Production for 1 person.-day, m 2 - 60.8
Labor costs per 100 m 2, people.-h - 13.3
including on:
preparation of the foundation - 4.7 (UNiR 2-46 No. 1)
mustacheT screed swarm - 4.6 (UNiR 2-46 No. 2)
screed grout - 4.0 (C NIB« Mosstroy» )
B. Floor device and screed
Production for 1 person.-days, m 2 - 48,2
PerT ra T s labor on 100 m 2,people.-h - 16.59
vT th number on:
preparation of the foundation - 7.79
screed device - 4.8 (TsNIB "Mosstroy")
screed grout - 4.0
4. MATERIAL AND TECHNICAL RESOURCES
4.1. Sand (GOST 8736-77, 10268-80) used for mortar when installing screeds must haveT b size is not more than 5 mm and does not contain T b clay and dry particles more than 3% by weight.
PorT landcemen T must be at least 400 grade. T b grow v ora I define T according to standard T cone - GOST 5802-78.
Plasticized Polyvinyl Acetate DisNS The version of the PVAD must a b NS be 50%consisT tions.
Material consumption per 100m 2 floor surface:
plasticized polyin and nyl acetate dispersion 5%, kg (when priming the base) - 4
cement sandus th races T thief, m - 4,2
NSO l and measures c e m e n T us th races T thief,kg - 1552
4.2. ByT rebnos T l in ins T rumen T ah, equipment and adapt l lead T in the table c e 1.
| P / p No. | Name | unit of measurement | Quantity | Normative document, organization - calc holder |
| 1. | MustacheT equipment for T tanspor T rationing zhes T which races T thieves UP TJ P-2,5 | 1 | Experienced rem ontno-mechanically with To ui factory d about b unity Mosremstroy a sh gl aw mo with mont f specialist with troy |
|
| 4. | Machine for forT Irki with T yogi CO-89 | -«- | 1 | Odessa plant withT swarms T well-O T cutting machines |
| 5. | Installation SO-21A (for priming the base) | -«- | 1 | Vilnius plantwith troy T well-dep e lach machines |
| 6. | Vibrating screed CO-47 | -«- | Odessa forv od with T royno-o T cutting machines |
|
| 7. | Compressor СО-7А | -«- | Vilnius factoryd build l no-finishing machines |
|
| 8. | Cleaning scraperT foundations | -«- | 3 | he R T . 1233 Mo with R rs tr oya HMS |
| 9. | Rake-rule 3 m long (for razorand solution) | -«- | 3 | blT . TE- 2 75Or gst R O I'm from the Ministry of Construction ES Wed |
| 10. | Wooden grater | -«- | 3 | heck. 1154 MO sorgstroy HMS |
| 11. | Reika conT roll length n oh 2 m | -«- | 3 | he rt. TE- 27 6Orgst Roya Means T swarm of the Estonian SSR |
| 12. | ShovelT ipa LP (d to fill the furrows of the races T thief) | -«- | 3 | GOST 9523-81 |
| 13. | Mortar box | -«- | 1 | blT ... 69.00.00 UMOR HMS |
| 14. | Construction level | -«- | 3 . | GOST 9416-67 |
| 15. | Flexible level (ind yana) | -«- | 3 | THAT25- 11-7 60-72 |
| 16. | Folding wooden meter | -«- | 3 | RST 149-71
Vyra bo T ka for 1 hour ate-den b - 48.2 m 2 CONTENT |
Websites, like flowers and cars, need care. If the site is launched and no one cares about it, then sooner or later it will stop working. But the site is not just text and pictures, it is the face of the company on the Internet, a sales channel. And when the site stops working, at first glance, nothing happens, but over time there are fewer calls and customers. Those who visit your site will think that the company has closed - after all, its site is no longer working. Those who were looking for your company on the Internet will not be able to find it - again, the site does not work. Only competitors will be pleased.
"We ordered a site in our local web studio, paid for everything, and now our site is gone. The web studio does not take phones, does not answer letters, we came to their office - it turns out they moved out a long time ago." Unfortunately, this is a typical situation. It also happens "a programmer was working on our site, he quit with all the passwords", "the company underwent a reorganization, while we were dealing with matters and lost the site" and of course "I do not understand anything about your Internet, help me fix our site."
"My company, LLC" YugPodzemCommunications "is engaged in the laying and maintenance of external pipelines, the site was made by local Krasnodar developers back in 2008 and everything was fine - they followed it, updated it, it was easy to find it in Yandex. But I don't know what happened - either the crisis, or the business of doing their own thing, tired - an employee comes up to me and says - Andrey Yuryevich, our site does not work, today the second client has already said this. I call the programmers - and there "the phone is not available." everywhere, by service cars. What to do. I called my friends - they gave me a contact with the St. Petersburg guys, they fixed my website and keep it. Thank you! Respectfully, A.Yu. Mostovoy. "- client site ugpc.ru
STEPS FOR SITE RESTORATION:
Call us at 8-800-333-16-58 or write to e-mail [email protected] to clarify the cost and timing of work. It is not cheap to restore a domain and a website, but the company's reputation losses and the cost of creating a new website are much higher than the cost of restoration work. The basic term for domain renewal is 3 business days, site restoration is 5 business days.
Fill out a form for a domain for an individual (download the form) or send the details of your legal entity. For work, the cost of which is from 7000 rubles. it is possible to conclude an agreement (download the agreement). You pay for the work.
What is a domain:
A domain is the address of a website on the Internet, a set of letters and numbers, like a phone number. The address of our site is dra.ru, the address of Vkontakte is vk.com, and the address of Yandex is yandex.ru. Domains are registered and maintained by domain registrars. Each site on the Internet has its own domain. Your site has the same, only now the domain is not working and it needs to be restored.
Who the domain is registered for:
To an individual or a legal entity at your request. If you are an individual entrepreneur, then from the point of view of the legal status of domains, the domain is registered for you as an individual. For some domain registrars, registration is also possible for non-residents Russian Federation(foreign individuals and companies).
Who owns the domain:
A domain is not an object of property rights (like an apartment or a car), therefore, from a legal point of view, it does not have an owner. Domain is an entry in the registry of a domain registrar that has an Administrator who, in fact, is the owner (manages the domain, renews, can transfer the domain to another administrator). You can check who is the domain administrator through the Whois service at the registrar, for example, in Axelname - if in the Org field: it says KreoBits or CreoBits - then we have the domain, if Private person means the domain of a private person (in accordance with Federal Law 152 on personal data, the registrar does not have the right to indicate the full name in the publicly available data and therefore "Private person" is written for all individuals).
We create an account (agreement) with an accredited domain registrar based on your profile of an individual or the details of a legal entity and carry out registration of a domain for you. We create a new hosting for the site and rebuild the site pages with text and pictures on modern system site management MODx. As a result, we get a completely working site that looks and is filled in the same way as the site that you had before. We send you passwords for the domain, site editor and hosting.
What is hosting:
In order for the site to be accessible via the Internet, it must be placed on an Internet server (specialized computer). This service is called " hosting"(from the English. hosting). Technically, a site is a set of files, it is hosted and becomes accessible from any device connected to the Internet. If the hosting is good, then the site is always available, works quickly and does not break. If the hosting is bad, the site will work slowly and intermittently. We host recovered sites on equipment in the Selectel data center (Moscow), which is one of the best hosting providers in the Russian Federation.
What is MODx:
MODx is a content management system from English. Content Management System (CMS). It is needed for the site to work, drawing an analogy - as Windows is a system for controlling a computer, and Android is for a smartphone and a tablet, so MODx is the same thing, only for a site. But unlike Windows and Android, for sites there are hundreds of different in purpose and complexity of site management systems, the most common of which are 1C-Bitrix, UMI.CMS, Wordpress, Joomla and MODx. The main task of MODx, like any other CMS, is to ensure the operation of the site and convenient tools for editing it by a programmer and editor (for example, a manager of your organization). CMS are paid and free, MODx is free, all management is in Russian.
What will we restore:
Everything that we can restore, including the design of your site, its content (texts, pictures), functionality - structure, menu, search, catalog, feedback form. It's like recovering data from a broken computer ( hard disk), if the specialist is good, it will restore all the files as they were.
WHAT GUARANTEES?
We are a small company, we have been working since 2007, we value each client and value our reputation. Our guarantees:
- our company is not a "one-day", we are already 9 years old, it is easy to check, make an online statement of the Unified State Register of Legal Entities for CreoBits LLC (TIN 7840363309). you can also look at the arbitration practice ("cases in court") in our organization, for 9 years of work there are only two of them, in one of which we won, and the second in the process.
- works for amounts from 7000 rubles. performed under the contract
- DRA is a registered trademark -.
- gratitude to our organization from the authority -. We have been working with the Committee for Nature Management for 7 years already, we maintain and develop their website.
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We ask you to be vigilant, because scammers work on our behalf who do not hesitate to introduce themselves as CreoBits / DRA.RU employees and promise assistance in restoring sites and domains for a modest (or completely immodest) fee. Remember, we write only from @ dra.ru addresses, for example, from addresses [email protected], [email protected] and if you received a letter from some other address, for example, [email protected] then they are scammers. Just call us at 8-800-333-16-58 and clarify all questions on site restoration. Our website dra.ru
ORDER OF LENIN GLAVMOSSTROY AT THE MOSGORISPOLKOM
MOSORGSTROY
TYPICAL TECHNOL OGIC MAP
ON THE DEVICE OF CEMENT-SAND
AND POLYMERCEMENT SCREWS
Moscow - 1982
A typical technological map was developed by the design department of the finishing work technology of the Mosorgstroy trust (L.K. Nemtsyn, A.N.Strigina) and agreed with the Department of finishing works of Glavmosstroy (I.G. Kozin).
1 AREA OF USE
1.1. The technological map is developed for the device of cement-sand and polymer-cement screeds, designed to level the surfaces of the underlying floor element or to give the floor a given slope.
For monolithic cement-sand screeds intended for floors made of parquet and polymeric materials, a solution of a grade of at least 150 is used.
Polymer cement mortar is a conventional cement-sand mortar, which contains polyvinyl acetate dispersion (PVAD).
The screeds take all the operational loads on the floors.
The material, thickness and strength of the screeds are assigned by the project, depending on the type of floor covering, the structure of the floors and the purpose of the premises.
This map provides for the thickness of the cement-sand screed 40 mm; polymer-cement - 15 mm.
2. ORGANIZATION AND TECHNOLOGY OF THE CONSTRUCTION PROCESS
2.1. Work on the installation of screeds should be carried out after the completion of construction and installation work, during the production of which the screeds can be damaged.
2.2. The device of screeds is allowed at an air temperature at floor level and a temperature of the underlying layer not lower than 5° C, this temperature must be maintained until the screed acquires at least 50% of the design strength.
2.3. When installing cement-sand screeds, the following technological operations are performed:
taking out marks of a clean floor;
installation of lighthouse rails;
leveling the solution with a rule moved along the beacons;
grouting the surface.
2.4. When installing polymer-cement screeds, the following technological processes are performed:
cleaning the surface of the underlying layer;
taking out marks of a clean floor;
priming the base with a 5% polyvinyl acetate dispersion of the composition 1: 9 (dispersion: water);
installation of lighthouse rails;
supplying the solution to the place of laying;
leveling the mortar, by the rule, moving along the beacons;
wetting the screed with the 5th polyvinyl acetate dispersion;
removal of beacons and sealing of grooves;
grouting the surface.
2.5. Cement-sand mortar is taken into the installation for receiving and transporting hard solutions UPTZhR-2.5.
The mortar is laid as follows: the mortar is fed from the installation to the place of laying through the mortar lines. A damper is attached to the end of the solution line, which is gradually moved by two workers.
The solution, having passed through the absorber, is smoothly placed on the base without impacts.
2.6. The place for the installation of UPTZhR-2.5 and KUSHR-2.7, the compressor must be indicated in the project of the work. The site on which the units are located should be planned.
2.7. Concrete surfaces are thoroughly cleaned of debris and foreign layers. If there is cement milk on the base, it is thoroughly cleaned with metal brushes or scrapers (Fig.).
Rice. 1. Cleaning the base
2.8. The polymer-cement mortar is prepared as follows: the commercial cement-sand mortar is taken into the receiving hopper of the KUSHR-2.7 complex plastering unit. Then a 10% polyvinyl acetate dispersion in the required amount (for 1 m 3 of solution - 250 liters of PVA dispersion) is poured into the bunker. After thorough mixing, the polymer-cement mortar is fed through hoses to the place of installation and then applied to the base through a nozzle (Fig.).
Rice. 2. Priming the base
2.9. When installing screeds on a concrete base, the surface of the underlying layer should be moist, but without water accumulation.
The gaps between the prefabricated floor tiles, their abutments to the walls, as well as the mounting holes must be sealed with cement-sand mortar of grade not lower than 100, flush with the surface of the plates.
2.10. The level of the finished floor is carried out by surveyors using a level or water level. In this case, it is taken into account that the level of the finished floor must be the same in all rooms of the apartment or part of the floor located between adjacent stairwells.
2.11. The primer is applied to the cleaned base in a uniform layer using the SO-21A installation (Fig.). The primer composition for priming the base and wetting the screed after applying the solution is prepared at the work site by mixing one part of a 50% PVA dispersion and 4 parts of water.
2.12. The solution is laid along the beacons installed on the verified underlying surface, according to the marks.
For lighthouses, steel pipes with a diameter of 12.5 mm are used when installing polymer-cement screeds and with a diameter. 31 mm when installing cement-sand screeds. They are installed on mortar stamps parallel to the long side of the wall. The first lighthouse is installed, retreating from the wall by 50 - 60 cm, the rest are placed parallel to the first after 2 - 2.5 m (Fig.).
Rice. 3. Installation of beacons
2.13. The solution is laid in strips bounded by two adjacent beacons. The solution is laid in strips after one. Laying starts from the wall opposite the entrance doors and proceeds in the direction of the door. The surface of the laid layer of mortar should be 2 - 3 mm higher than the top of the beacons (Fig. I).
Rice. 4. Supply of mortar with a damper when installing cement-sand screeds
Rice. 5. Application of the solution with a nozzle when installing polymer-cement screeds
The laid mortar is leveled in the same plane with the beacons using a rule that is supported by two beacons (Fig.), And compacted with a vibrating screed. A day after laying the solution, the beacons are removed and the resulting grooves are filled with a solution, carefully rubbing it with a trowel. The resulting beads of solution are scraped off with scrapers.
Rice. 6. Leveling mortar
2.14. Freshly laid cement-sand screed is protected from moisture loss until the mortar acquires the required strength. To do this, one day after installation, it is covered with matting and moistened with water for 7 - 10 days at least once a day using the SO-21A installation.
2.15. When the screed reaches a strength of 25 - 30 kg / cm 2, the screed surface is smoothed and rubbed with a machine for grouting a SO-89 cement screed (Fig.).
Rice. 7. Grouting the screed
2.16. Acceptance of work on the installation of screeds is carried out in accordance with the requirements of SNiP III-B.14-72 “Floors. Rules for production and acceptance of works ":
cracks, gouges and open seams in screeds are not allowed. The deviation of the screed thickness from the design is allowed only in certain places and should not exceed 10% of the specified thickness;
the surface of the screeds should be at the level of the specified marks;
the surface of the screeds must be horizontal or have a predetermined slope. The horizontalness is checked with a control rod with a level;
the evenness of the screed surface is checked with a two-meter rail, which can be moved in all directions. The gaps between the screed and the rail should not exceed 2 mm;
the moisture content of the screeds when installing linoleum floors, PVC tiles, textile coverings, block parquet, parquet boards and boards should be no more than 5%.
2.17. Before starting work on the installation of screeds, the person responsible for their production is obliged to ensure that the workers are briefed and the necessary overalls and personal protective equipment are issued. When performing work, it is necessary to comply with the safety rules set out in SNiP III-4-80 "Safety in construction".
Pay particular attention to the following:
persons at least 18 years of age who have passed a medical examination, have a certain qualification, know the device and design features of the equipment, have a certificate for the right to service them, are allowed to service installations and mechanisms;
according to the "Rules for the technical operation of electrical installations of consumers", the installations must have their own grounding center.
Before starting work, the driver must:
make an external inspection of the installation, the state of the entrance to it;
check the serviceability of electrical wiring and grounding;
check the alarm system to workplaces.
During work, the driver must:
start and stop the solution supply only upon a signal from the workplace;
serve the solution only after thorough mixing.
The control and maintenance of the DK-9M compressor is allowed to persons who have undergone special training and have a certificate for the right to operate the compressors. Pressure gauges and safety valves must be sealed. Maintenance of the SO-89 trowel should be entrusted to a worker who is familiar with the operating instructions. The electrical connection of the machine must be done by an electrician.
2.18. Works on the installation of cement screeds are performed by a team of 6 people. The composition of the brigade is as follows:
- "- 4 -" - - 2 (B-2, B-3)
- "- 3 -" - - 2 (B-4, B-5)
- "- 2 -" - - 1 (B-6)
A 5th grade concrete worker installs beacons, applies mortar to the base using an extinguisher; evens out the laid mortar with a rail-rule; compresses the solution with a vibrating screed; rubs the surface of the screed with a trowel, controls the quality of the laid screed.
Concrete workers of the 3rd - 4th grade clean the surface, fill up the holes with mortar, install beacons, moisten the base, level the mortar over the beacons, rub the screed surface with a trowel.
The 2nd grade concrete worker cleans the surface, seals the potholes with mortar, moves the hoses and the damper during the application of the mortar. The UPTZhR unit is serviced by a driver who is not part of the concrete workers' brigade.
2.19. Work on the device of the polymer-cement screed is carried out by a team of concrete workers of 6 people.
The composition of the brigade is as follows:
concrete worker of the 5th grade (foreman) - 1 (B-1)
- "- 4 -" - - 2 (B-2, B-3)
- "- 3 -" - - 2 (B-4, B-5)
- "- 2 -" - - 1 (B-6)
A 5th grade concrete worker installs beacons, applies mortar to the base using a nozzle, levels the laid mortar with a rule-rail, rubbing the surface of the screed, and controls the quality of the laid screed.
Concrete workers of the 4th grade install beacons, prime the base, level the laid mortar with a rule-rail, rub the surface of the screed.
Grade 3 concrete workers prepare a polymer-cement mortar and a priming compound.
The 2nd grade concrete worker cleans the surface of the base, takes part in the installation of beacons, moves the hoses in the process of applying the mortar.
2.20. The schedule of the work process of the concrete workers link is given in the appendix.
2.21. Workplace organization diagrams are shown in Fig. ,.
Rice. 8. Scheme of the organization of the workplace
B 1 and B 2 - concrete workers
Rice. 9. Scheme of the organization of the workplace
B 1 and B 2 - concrete workers
1 - rake rule
2 - screed grouting machine
3. TECHNICAL AND ECONOMIC INDICATORS
A. Device your cement-sand screed
Production per person-day, m 2 - 60.8
Labor costs per 100 m 2, man-h - 13.3
including on:
foundation preparation - 4.7 (UNiR 2-46 No. 1)
screed device - 4.6 (UNiR 2-46 No. 2)
screed grout - 4.0 (TsNIB "Mosstroy")
B. Floor device and cement screed
Production per person-day, m 2 - 48.2
Labor costs per 100 m 2, man-hours - 16.59
including on:
foundation preparation - 7.79
screed device - 4.8 (TsNIB "Mosstroy")
screed grout - 4.0
4. MATERIAL AND TECHNICAL RESOURCES
4.1. Sand (GOST 8736-77, 10268-80) used for mortar when installing screeds should have a particle size of no more than 5 mm and not contain clay particles of more than 3% by weight.
Portland cement must have a grade of at least 400. The fluidity of the solution is determined by the standard cone - GOST 5802-78.
Plasticized polyvinyl acetate dispersion of PVAD should be of 50% consistency.
Material consumption per 100 m2 of floor surface:
plasticized polyvinyl acetate dispersion 5%, kg (when priming the base) - 4
cement-sand mortar, m - 4.2
polymer cement mortar, kg - 1552
4.2. The need for tools, equipment and fixtures is shown in Table 1.
|
Name |
unit of measurement |
Quantity |
Normative document, organization - calc holder |
|
|
Installation for transportation of rigid solutions UPTZhR-2.5 |
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|
Compressor DK-9 |
Manufactured by industry |
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|
Complex installation for plastering works KUSHR-2.7 |
Experimental repair and mechanical plant of the Mosremstroymash association Glavmosmontazhspetsstroy |
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|
Screed grout machine SO-89 |
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|
Installation SO-21A (for priming the base) |
Vilnius Construction Finishing Machinery Plant |
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|
Vibrating screed SO-47 |
Odessa plant of construction and finishing machines |
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|
Compressor СО-7А |
Vilnius Construction Finishing Machinery Plant |
|||
|
Base scraper |
heck. 1233 Mosorgstroy HMS |
|||
|
Rake-rule 3 m long (for leveling mortar) |
heck. TE-275 Orgstroy of the Ministry of Construction of the Estonian SSR |
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|
Wooden grater |
heck. 1154 Mosorgstroy HMS |
|||
|
Control rail 2 m long |
heck. TE-276 Orgstroy of the Ministry of Construction of the Estonian SSR |
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|
LP-type shovel (for filling grooves with solution) |
GOST 9523-81 |
|||
|
Mortar box |
heck. 69.00.00 UMOR HMS |
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|
Construction level |
GOST 9416-67 |
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DIN-EN 13813 "Screed material and floor screeds - Screed materials - Properties and requirements"