The act of testing waterproofing sample. Why do we need an act of hidden work on waterproofing or how to legalize redevelopment in an apartment

In this article we will describe what waterproofing of bathroom floors is and what acts hidden works in the context of bathroom waterproofing.

Actually, this is the most famous act of covert work, because most of the work is done in the bathroom area, such that require a wet permit. 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 contracting organization who performed the work (you need to add the construction organization) and, in fact, the work itself (waterproofing of the bathroom floor).

They wrote the number of the project in relation to which we were doing, and further: “During the performance of the work, materials were used in accordance with the project specification.”

There are two options

You can write "according to the project specification". Well, actually, this means: look at the project, that's what is there, that's what they put.

And you can write the material itself, i.e. conditionally there is a waterproofing in two layers or coating waterproofing or pasting waterproofing, well, that is. various materials, which are used, we write such.

Work start date, work end date. Well, further, the decision of the commission: finishing work was allowed.

Two seals are placed here, i.e. the construction company that made the acts of hidden work on waterproofing puts its seal with a signature, and the design company that developed the redevelopment project, it actually puts its seal to confirm that the waterproofing has been completed.

As we said, the act is very necessary. Very often there are cases of leaks either during repair work or after repair work, i.e. the act is a confirmation that the waterproofing is really done, and done correctly, etc.

If we talk about the process itself, then we think that the builders know how to do it. They must know somehow. But mostly right.

Coating waterproofing does not work well, better, of course, is pasting waterproofing with an institution on the walls by 15–20 cm.

Why does coating waterproofing work poorly?

Because they just smear badly in the main. There it is necessary to smear so that the normal layer remains. Then, when the screed is poured, another screed is pressed through with expanded clay and holes are formed.

Pasting, 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 from the 70s, but there were no such materials used at all.

As we have already said, the Housing Inspectorate will not accept the completion of redevelopment without this act. In addition to this act, an act of hidden work on soundproofing, an act of hidden work on an opening in a load-bearing wall, if there was one, is often handed over. Completed repair log construction works. Here is a magazine.

This we are already deviating a little about the act, but God bless him. Let's talk more.

There's a lot here. All the seals are put here, both builders and designers. If the acts of hidden work on waterproofing somehow (if there is a permit from the SRO) are able to be filled out, they are sorted out. Usually they give us blank forms, and we fill them in, because it is impossible for them to explain how to fill out this act.

That magazine of repair and construction works introduces them simply into a state of general stupor. Those. when they see him, they just stop understanding something and say: “No, no, no. Help us somehow." Neither links save (it has already been described on the site and some examples ... cannot).

We, the coordinators, have to fill it out all the time. It is necessary to hand over to the Housing Inspectorate acts of hidden work, a completed log of repair and construction work and, in fact, a contract agreement and an SRO admission to a construction company.

And a little later, the construction company and the designers will have to sign acts on the completed reconstruction, also stamps. Those. there are a lot of seals to put in this process.

Basically, everything. 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 both waterproofing and soundproofing. Those. you will have work carried out in accordance with the requirements of the Housing Inspectorate.

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Usually the redevelopment of the apartment affects the bathroom or bathroom. When expanding or transferring these premises, it is imperative to waterproof the floor (otherwise, you can flood the neighbors from below).

Redevelopment and installation of waterproofing is a very responsible process that requires appropriate documentation. This condition is enshrined in clause 2.2.6 of Appendix 1 of PPM No. 508 in edition 840 (“Changing the design 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 that signs an act on the completed reorganization and makes changes to the BTI documents.

When the housing inspection agrees on all the nuances, the owner is given permission to redevelop. At this stage, all design decisions can be implemented. In this case, you need to draw up an act for hidden work on waterproofing the floor. This condition is described in Appendix 7 of PPM No. 508 (“List of certificates of examination of hidden works ... presented to commissions upon completion of redevelopment ...”).

An act of hidden work 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 acceptance committee will not approve the changes. In addition, the inspector has every right to open the floor to make sure that the waterproofing is present. If there are violations, the commission sets a deadline for their correction 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 the approval of the SRO, which gives the right to responsible work. At the same time, ordinary teams of workers without permission 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 correctness of the laying until it is covered 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 see if there are leaks. After that, an act of testing the waterproofing coating is drawn up. In such a situation, it is desirable to take several photos. Filling examples are shown below.

In the process of performing 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 the housing and communal services and other specialists to certify this act. Otherwise, it will be difficult to legitimize redevelopment.
It is important to understand that improper laying of the waterproofing layer can cause water seepage to the lower floors. For unauthorized redevelopment of a bathroom or bathroom, a fine is due.

In every house or apartment under construction, there are rooms that need waterproofing. Such work is carried out in accordance with the design documentation and with 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 correctly executed and signed by responsible persons. Even redevelopment in your own apartment falls under this requirement when it comes to the bathroom.

Objects in one way or another in contact with moisture 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 quality of the construction of the foundation greatly affects the duration of the operation of the structure. This underground part buildings are constantly under the influence of ground 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-dig up the foundation, to carry out unscheduled repairs. It is impossible to ignore such problems, but even small microcracks threaten with irreversible processes in the constructed 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 often impossible at all.

Important: Mold is not only a destruction of the structure, but also a significant harm to the health of people in the building who can get serious illnesses by inhaling fungus spores.

In order for the house to stand for many years, the foundation must be protected from water exposure. This is ensured by proper waterproofing.

Basement

Groundwater washing away the concrete base of the basement from below can prematurely damage the building and flood the room through joints and cracks. Steam and condensate, created from the difference in external and internal temperatures, penetrate the walls of the building, provoking the occurrence of rot and destruction. Salts contained in melt water can cause corrosion of metal elements and fittings. The use of waterproofing helps to reduce the impact of such factors and allows the basement to be used as a room, if not residential, but suitable for various other purposes.

The main causes of dampness in the basement are: lack of waterproofing, improperly performed basement waterproofing, poor-quality waterproofing materials or the wrong technology for their application.

Roof structure

From the impact of precipitation, the roof elements gradually become unusable, their moisture resistance decreases. Water at the same time begins to fall under the outer coating, which leads to decay of the main elements. truss system. Leaks into interior spaces lead to damage to ceilings and dampness in living rooms.

Important: With insufficient tightness, the thermal insulation of the roof also decreases, and more money has to be spent on heating the interior.

If waterproofing work is not carried out on time, then precipitation can cause rapid wear of the roofing, which will shorten the life of the entire roof.

Bathroom floor

When renovating apartments, it often becomes necessary to redevelop the bathrooms. The addition of additional space to this room due to utility rooms entails the mandatory sealing of the floors. The penetration of water and moisture, which necessarily happens on the floor of this room, into the lower layers of the floors threatens to damage the situation of the lower neighbors. And they will certainly complain to the housing and communal services, which have the right to demand documents for redevelopment, conflicts will begin.

Waterproofing the floor in the bathroom is an extremely important stage of construction.

Swimming pool or sauna

The construction of the pool, both indoors and outdoors, requires mandatory waterproofing. The flow of an outdoor pool is fraught with a constant decrease in the water level, the ingress of melted and ground water unsuitable for swimming. With an indoor pool, as with floors in the bathroom, it is possible for water to leak into the lower floors.

Saunas imply moisture not only on the floors, but throughout the room, which means that the entire area of ​​\u200b\u200bthe walls and ceiling should be additionally waterproofed.

During the construction of the 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 need to be issued when performing repair work

To avoid all these problems and extend the life of your buildings and premises, it is necessary to 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, in which the necessary materials are added and prices for rework are determined. The organization must necessarily be a member of the SRO, membership in which gives it the right to carry out this type of construction work and obliges it to be responsible for the quality of the orders performed.

The form of the act and filling samples can be downloaded on the Internet.

In the process of fulfilling the stages of such an order, the contractor independently fills out an act of hidden work on waterproofing. The document confirms that the waterproofing is done taking into account all the requirements of SNiP and the project. It must be signed by specialists of the design, repair organization and DEZ.

When drawing up estimates in a computer program, it must be taken into account that the VAT tax is put in a separate column of additional costs

If the repair is carried out by the tenant himself, then he will have to call a commission from representatives of the housing and communal services and other specialists to certify this act. Otherwise, it will be difficult to legitimize 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 what's already been done flooring, of course same, unpleasant. In this case, you can take advantage of the offers of special firms that provide services in this area.