In this article we will describe what waterproofing of bathroom floors is and what acts are hidden works in the context of waterproofing a bathroom.
Actually, this is the most famous act of hidden work, because most of the work is done in the area of \u200b\u200bthe bathroom, those that require admission raw. And the Housing Inspectorate always requires this document as part of the documents that will be handed over.
It is filled in quite simply: there is the name of the work, the apartment number, the address, the design organization that developed the redevelopment project, the general contractor who performed the work (you need to add the construction organization) and, in fact, the work itself (waterproofing the bathroom floor).
We wrote the number of the project we were doing, and then: "When performing the work, materials were applied in accordance with the specification of the project."
There are two options
You can write "according to project specification". Well, actually, this means: look at the project, that's what is there, that's what they put.
Or you can write the material itself, i.e. conditionally there is a waterproofing in two layers or a coating waterproofing or a gluing waterproofing, well, that is. various materials that are used are the same we write.
Work start date, work finish date. Well, further, the decision of the commission: finishing work allowed.
Two seals are put here, i.e. construction company, which made the acts of hidden works on waterproofing, puts its seal with its signature, and the design company that developed the redevelopment project, in fact, puts its seal in confirmation that the waterproofing has been completed.
As we said, the act is very necessary. Very often there are cases of leaks either in the process renovation works, or after repair work, i.e. the act is a confirmation that the waterproofing was actually performed and performed correctly, etc.
If we talk about the process itself, then we think that the builders know how to do it. They should know somehow. But mostly right.
Lining waterproofing does not work well, better, of course, gluing waterproofing with an institution on the walls by 15-20 cm.
Why does the coating waterproofing work poorly?
Because they just smear badly mostly. There it is necessary to smear so that the normal layer remains. Then, when the screed is poured, the screed is pressed through by expanded clay and holes are formed.
Okayechnaya, of course, the most relevant. This is an old way from those years in which we probably did not live yet. At least we are. Moreover, to coating waterproofing there are no SNiPs. SNiPs are still from the 70s, and there were no such materials at all.
As we said, the Housing Inspectorate will not accept the completion of the redevelopment without this act. In addition to this act, an act of hidden work on soundproofing is often surrendered, an act of hidden work on an opening in bearing wallif it was. Repair log is filled in construction works... Here's a magazine.
This we already deviates a little regarding the act, but God is with him. We will tell you more.
There is a lot here. All the stamps are put here, both builders and designers. If the acts of hidden works on waterproofing somehow (if there is an SRO approval) are able to fill in, they are sorted out. Usually they give us blank forms, and we fill it out, because it is impossible to explain to them how to fill out this act.
Then the journal of repair and construction works simply introduces them into a state of general stupor. Those. when they see him, they just stop understanding something and say: “No, no, no. Please help us somehow. " Neither links save (the site has already been described and some examples ... cannot).
We, the coordinators, have to fill in all the time. It is necessary to hand over to the Housing Inspectorate the acts of hidden work, the completed journal of repair and construction work and, in fact, the contract and admission of the SRO to the construction company.
And a little later, the construction company and designers will have to sign acts on the completed reconstruction, also stamps. Those. there are many seals to put in this process.
Basically, that's it. And, by the way, if the work is carried out by unlicensed builders, then our organization will be able to help you with the technical supervision of the work of your builders with the provision of all relevant acts for waterproofing and sound insulation. Those. you will have work carried out in accordance with the requirements of the Housing Inspectorate.
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In every house or apartment under construction, there are premises that need waterproofing. Such work is carried out in accordance with the design documentation and the rules of SNiP 3.01.01-85. According to these documents, any work, the quality of which can only be checked before the start of further construction or repair work, must have a waterproofing act, properly executed and signed by the responsible persons. Even redevelopment in your own apartment falls under this requirement when it comes to the bathroom.
Objects that come into contact with moisture in one way or another are subject to waterproofing. Do not spare money for good waterproofing... It takes only 1-3% of all construction costs, but the reliability and durability of the entire building depends on it.
Building foundation
The duration of the structure's operation is strongly influenced by the quality of the foundation construction. This underground part buildings are constantly under the influence of soil and atmospheric moisture, which is why cracks appear in the porous structure of the material that can destroy concrete base and create the need to re-excavate the foundation, to carry out unscheduled repair work. It is impossible to ignore such problems, but even small microcracks threaten with irreversible processes in the built walls. Moisture entering the concrete or brickwork, creates a favorable environment for the reproduction of the fungus, which can be very difficult to remove, and more often it is impossible at all.
Important: Mold is not only the destruction of the structure, but also significant harm to the health of people in the building, who can get serious diseases by breathing in the spores of the fungus.
So that the house can stand long years, the foundation must be protected from water impact. This is ensured by competent waterproofing.
Basement
Groundwater, washing away the concrete basement basement from below, can prematurely damage the building and flood the room through joints and cracks. Steam and condensation, created by the difference in external and internal temperatures, penetrate the walls of the structure, provoking the occurrence of rot and destruction. Salts in melt water can corrode metal elements and fittings. The use of waterproofing helps to reduce the impact of such factors and allows you to use the basement as, if not residential, but suitable for various other purposes.
The main reasons for dampness in the basement are: lack of waterproofing, previously incorrectly performed basement waterproofing, substandard waterproofing materials or the wrong technology of their application
Roof structure
From the effects of atmospheric precipitation, the roof elements gradually become unusable, their moisture resistance decreases. At the same time, water begins to fall under the outer coating, which leads to rotting of the main elements rafter system... Leakage during indoor spaces lead to damage to ceilings and moisture in living rooms.
Important: In case of insufficient tightness, the thermal insulation of the roof also decreases, and you have to spend large quantity finance for heating internal premises.
If waterproofing work is not carried out on time, precipitation can provoke rapid wear of the roofing, which will shorten the service life of the entire roof
Bathroom floor
When renovating apartments, it is often necessary to redevelop bathrooms. The addition of additional space to this room due to the auxiliary rooms entails the obligatory sealing of the floors. The penetration of water and moisture, which necessarily occurs on the floor of this room, into the lower layers of the floors threatens to damage the situation in the lower neighbors. And they will probably complain to the housing and communal services, which have the right to demand documents for redevelopment, conflicts will begin.
Waterproofing a bathroom floor is a critical construction step
Swimming pool or sauna
The construction of the pool, both indoors and outdoors, requires mandatory waterproofing. The leakage of an outdoor pool is fraught with a constant decrease in the water level, the ingress of thawed and groundwaterunsuitable for bathing. With an indoor pool, as with bathroom floors, it is possible for water to leak into the lower floors.
Saunas imply humidity not only on the floors, but also in the entire room, which means that the entire area of \u200b\u200bthe walls and ceiling should be additionally waterproofed.
When building a pool, one of the first requirements for it is high-quality waterproofing, on which the strength and durability of the entire structure depends
What documents must be drawn up when performing repair work
To avoid all these problems and extend the life of your buildings and premises, you must carefully approach waterproofing work. If the repair is carried out by a construction organization, then the first step is to draw up an estimate for waterproofing, which is made necessary materials and prices for rework are determined. The organization must be a member of the SRO, membership in which gives it the right to produce given view construction works and obliges to be responsible for the quality of the orders.
The form of the act and samples of filling can be downloaded on the Internet
In the process of completing the stages of such an order, the contractor independently fills out the act of hidden works for waterproofing. The document confirms that the waterproofing was done taking into account all the requirements of SNiP and the project. It must be signed by specialists from the design, repair organization and DEZ.
When drawing up estimates in a computer program, it must be borne in mind that VAT tax is put in a separate column for additional costs
If the repair is carried out by the tenant himself, then he will have to call a commission from representatives of housing and communal services and other specialists to certify this act. Otherwise, it will be difficult to legalize the redevelopment, since in the absence of an act of hidden work, officials may require the opening of part of the floors to control waterproofing. Break already done flooring, of course, unpleasant. In this case, you can take advantage of the offers of special firms that provide services in this area.
Usually, the redevelopment of an apartment affects a bathroom or a bathroom. When expanding or moving these premises, it is imperative to waterproof the floor (otherwise, you can fill in the neighbors from below).
Redevelopment and installation of waterproofing is a very demanding process that requires appropriate documentation. This condition is enshrined in clause 2.2.6 of Appendix 1 of PPM No. 508 as amended by 840 ("Changing the construction of floors"). It is important to understand that the redevelopment process is quite lengthy. It begins with the collection of documentation, and ends with the acceptance of work by a special commission, which signs an act on the completed reorganization and makes changes to the documents of the BTI.
When the housing inspectorate agrees on all the nuances, the owner is given permission to redevelop. On this stage all design solutions can be implemented. In this case, you need to issue an act for hidden work on waterproofing the floor. This condition is described in Appendix 7 PPM No. 508 ("List of acts of inspection of hidden works ... presented to the commissions upon completion of redevelopment ...").
The act of hidden works on waterproofing the floor is needed to confirm that the redevelopment of the apartment has been completed in accordance with all established norms and rules. Without it, the selection committee will not approve the changes. In addition, the inspector has every right to open the floor to ensure that waterproofing is present. If there are violations, the commission sets a deadline for correcting them and conducts another check.
Where can I get a sample of such an act? The form can be downloaded. It must be signed by a representative of the repair company. It is important that this organization has an SRO permit, which gives the right to responsible work. At the same time, ordinary brigades of workers without admission do not have the right to conduct an examination of hidden work. Then the act is signed by an employee of the design organization, who checks the correct installation until it is closed with a floor covering.
In some cases, the installed waterproofing is checked. To do this, the coating is poured with water for several hours and they look for leaks. After that, a waterproofing coating test report is drawn up. In such a situation, it is advisable to take several photos. Examples of filling are presented below.
In the process of performing the work, the contractor independently fills out this act. He confirms that the waterproofing was carried out taking into account all the requirements of the project and SNIP. Then the document is signed by representatives of the repair organization and DEZ.
If the owner of the apartment makes repairs on his own, then he needs to call a commission from representatives of housing and communal services and other specialists to certify this act. Otherwise, it will be difficult to legalize the redevelopment.
It is important to understand that improper installation of the waterproofing layer can cause water to seep into the lower floors. For unauthorized redevelopment of a bathroom or toilet, a fine is imposed.
