Inspection of the performance of engineering systems. Inspection of engineering systems: services of a comprehensive audit of engineering networks of a building Example of conclusion of internal engineering networks of a building

In what cases is a survey of engineering networks of buildings carried out? A list of primary documentation for starting a survey of communications, conducting an examination and drawing up a technical opinion.

A comprehensive analysis of buildings requires a survey of external engineering networks and internal communication systems in order to determine the technical condition of the equipment and its elements. The expert evaluation procedure is obligatory when it is necessary to substantiate the decision on the possibility of complete or partial reconstruction, overhaul and modernization of the object under study.

The essence of the survey is to study the functional characteristics, their compliance with current technical standards and design and executive documentation of water pipes, sewerage, ventilation shafts, heating systems, gas supply and other engineering equipment. Based on the data obtained, specialists will be able to provide recommendations on the operation or dismantling of old ones, design new engineering networks and systems, determine the possibility of connecting additional equipment and calculate the amount of work.

Technical documentation to start a communications survey

According to the regulations, before starting work, the examiners must familiarize themselves with the current technical documentation of the engineering networks of the building.

Drawing up a work plan, setting tasks and expertise to assess the technical condition is carried out for the following objects:

• multi-storey residential buildings and cottage settlements;
• public institutions (hospitals, clinics, kindergartens, schools, educational institutions);
• office buildings (including the surrounding area);
• industrial facilities, warehouse and production facilities;
• technical structures and agricultural buildings;
• sports centers, stadiums, ice palaces;
• construction of urban infrastructure.

For the purpose of primary research, survey engineers study drawings (executive and working), acceptance and testing certificates, technical passports of the equipment used in engineering networks, certificates for operation. All norms, work regulations and requirements are set out in GOST R 53778-2010.

Scope of work on the study of engineering networks

In each individual case, not only the analysis of technical documentation is carried out, but also instrumental diagnostics, as well as a visual inspection of all important components in order to search for defects and worn parts. In addition, surveyors Company "Promterra", if necessary, search for hidden underground utilities using special equipment.

The performers face many functional tasks, since in the process it is necessary to examine the internal and external engineering networks, to assess the technical condition:

• hot and cold water supply;
• heating and heat supply;
• internal ventilation systems;
• sewerage and waste disposal;
• gas supply systems;
• drains and heating systems;
• external electrical networks;
• engineering equipment.

Equipment that is physically worn out and obsolete must be replaced. To confirm, experts perform verification calculations. The survey allows you to assess the scope of work, including financial costs. If necessary, instrumental measurements of places and elements can be selectively assigned. During the examination, it is necessary to take clear photographs of the detected damage.

Technical conclusion and deadlines for the examination

How much time is needed for a qualitative survey of the foundation and the underground part of the building with the presence of utility networks depends on several factors: the complexity of the object under study and its size, customer requirements and the need for detailed data, technical characteristics of communications, their density, construction features. The terms and volumes of expert work are set by the executors on an individual basis.

Upon completion of the examination of all external and internal communication systems, a technical opinion is drawn up. It displays the results of research, brief operating conditions of engineering networks, analysis of the object in accordance with the requirements of regulatory documents and the alleged causes of the detected defects. One of the important sections of the conclusion is the rationale for design decisions that are required for the repair or modernization of water pipes, heating networks, sewerage, ventilation and electrical networks of a building or territory. At the end of the document, SRO certificates must be attached.

1. We conduct a survey of engineering systems in the following scope:

• Inspection of hot water supply systems - description of the DHW system, inspection of pipelines and circulation pumps, description of the technology for preparing hot water and the water heaters used, instrumental measurements - temperature measurements, determination of the thickness of corrosion deposits. Development of drawings with the application of pipelines and wiring of the hot water supply system on floor plans, indicating the diameters and linking to existing structures.
• Inspection of heating and heat supply systems - inspection of the heat input and central heating, description of the heating system and the layout of the supply and return lines, inspection of heating devices, taking temperature measurements, determining the thickness of the narrowing of the living section of pipelines, drawing the heating system on floor plans.
• Inspection of cold water supply systems - examination of the water supply to the building, examination of the cold water metering unit and instrumentation, description of the water supply system, determination of the thickness of corrosion deposits in pipelines, drawing the cold water supply system on plans with diameters indicated.
• Inspection of sewerage systems - inspection of pipelines and sanitary appliances, inspection of ventilation risers and revisions, determination of the slope of horizontal pipelines, drawing sewer risers and appliances on floor plans.
• Examination of ventilation systems - determination of the type of ventilation system, examination of ventilation ducts and ventilation equipment, determination of air exchange in the examined premises of the building, identification of defects and comparison with regulatory requirements.
• Examination of waste disposal systems - examination of waste collection chambers, establishing the integrity and tightness of the shaft, establishing compliance with the requirements of design and regulatory documentation.
• Inspection of gas supply systems - description of the structural diagram of the gas supply system, study of documentation for gas pipelines and equipment, determination of the compliance of the gas pipeline system with design documentation.
• Examination of the technical condition of drains - a description of the drainage system, reveals unacceptable damage - blockages, tightness of joints, the presence of gratings and caps, the presence of an electric heating cable.
• Inspection of electrical networks and means of communication - description of the input-distributing device, inspection of electrical cabinets on floors, inspection of lighting fixtures, inspection of low-voltage systems, drawing electrical panels and power supply wiring on building plans.

• Inspection of engineering equipment - the actual condition of the used equipment for various purposes is determined. Physical and moral wear and tear is determined in accordance with the identified defects and malfunctions.

2. The composition of the technical report on the inspection of engineering systems and networks

1. Explanatory note - description of the surveyed engineering systems

2. Inspection of heating and heat supply systems of the building

• description of heating and heat supply systems
• drawing heating systems on floor plans
• instrumental examination of heating and heat supply systems, defects, conclusions and recommendations

3. Inspection of building ventilation systems

• description of ventilation systems
• drawing ventilation systems on floor plans
• instrumental examination of ventilation systems, defects, conclusions and recommendations

4. Inspection of water supply and fire extinguishing systems of the building

• description of water supply and fire extinguishing systems
• drawing water supply and fire extinguishing systems on floor plans
• instrumental examination of water supply and fire extinguishing systems, defects, conclusions and recommendations

5. Inspection of the building's drainage systems

• description of drainage systems
• drawing drainage systems on floor plans
• instrumental examination of drainage systems, defects, conclusions and recommendations

6. Inspection of building electrical systems

• description of power supply systems
• drawing power supply systems on floor plans
• instrumental inspection of power supply systems, defects, conclusions and recommendations

7. Results of calculations of existing loads on the building, analysis of input nodes for the possibility of increasing loads, identification of places for possible connections of new networks

8. Conclusions based on the results of the inspection of engineering systems of the building

10. Executive schemes - plans with applied engineering systems

In the case when a real estate object is acquired, as well as during its reconstruction, a conclusion on the technical condition of the building and communications, drawn up based on the results of the work, during which an inspection of engineering networks and building structures was carried out, becomes one of the main documents that allow assessing the possibility of stable operation of the object real estate in the new conditions.

Are surveys really necessary?

Any building requires a periodic survey of communications, both external and internal. The need for such work is caused by the deterioration of networks, and if the maintenance services do not constantly monitor their condition, then an emergency situation may occur, leading to material damage. Equally important is a comprehensive survey of structures and networks at the stage of assessing the cost of the purchased object. If external communications and internal networks are in good condition and fit for use as intended by the new owner, then the value of the property has one value. If after the purchase it is necessary to shift or repair networks, reconstruct the life support systems of the building, then these costs should be taken into account when determining the final cost of the purchase. It is not the first year that the conclusions made by the Expertsystem company based on the results of surveys make it possible to determine the optimal cost of the object for both parties.

In the case of a building reconstruction, a survey of building structures and networks is mandatory. The conclusion about this work is one of the main documents in the list of initial data for design. In addition, the results of the work during which the survey of engineering systems and building structures was carried out, drawn up in the form of a report, become a document on the basis of which the examination bodies evaluate the correctness of the decisions laid down in the project, on their compliance with the requirements of current standards and issue a conclusion on the suitability of the documentation to implementation. And the conclusion of the examination, in turn, is necessary to obtain a permit for the construction and reconstruction of a property. It should be noted here that reports on technical surveys performed by Expertsystem are always accepted by the examination bodies without comment.

Inspection of engineering networks is the key to the operability of building life support systems

To assess the condition of the property, a technical examination of the engineering networks of the building and building structures is carried out, which is stipulated when the customer draws up the assignment for work and is taken into account by the contractor when developing the survey program. When determining the operability of engineering networks of a building, Expertsystem performs the following work:

• visual and instrumental inspection of pipelines for water and heat supply, sewerage, steam and gas pipelines that provide the property with these types of energy resources. Examination of external networks is carried out from the point of insertion into the backbone networks specified in the act of dividing the boundaries between the energy supplier and the owner of the property, to the point where the network enters the building;
• inspection of the water supply system, when the compliance of the pipe diameters with the executive documentation, the presence and condition of the valves, the safety of the well structures are checked. When examining internal networks of cold water supply, the state of piping, the performance of shut-off valves, and the presence of flow meters are recorded. The technical report must indicate the presence, location and serviceability of fire hydrants, as well as the completeness of fire hydrants inside the building and the operability of the fire water supply;
• sewer inspection, during which the condition of inspection, control and overflow wells, trays is determined, the diameter and material of pipes are fixed, the presence or absence of counterslopes between wells is checked. Internal sewerage is checked to determine the degree of sealing of pipe joints and the safety of sewage receivers;
• inspection of ventilation and air conditioning systems, which determines the degree of wear and contamination of air ducts, the reliability of ventilation equipment, the reliability of thermal insulation of air intake places for supply ventilation, the safety of louvered grilles and deflectors. The safety and operability of the fire smoke exhaust system is checked;
• inspection of electrical networks, when the operability of the power supply line of the facility is checked from transformer substations, where cables are connected (if there are two or more inputs) to the input distribution devices inside the building, the characteristics of the cable are recorded. Inside the building, the brands of wires and cables, the brands and serviceability of power shields and lighting shields, and the safety of terminal devices are determined. The presence or absence of a ground loop is also noted.

A full survey of engineering systems is a rather labor-intensive work and requires highly qualified performers. But the results and recommendations obtained will make it possible to specifically determine the amount of costs necessary to bring the engineering networks of the property to a state that guarantees the safe operation of the building and the absence of claims from supervisory authorities. Exactly this kind of work is offered by the company "Expertsystem", which employs high-level specialists who use modern instruments and software during examinations.

Inspection of building structures - checking the reliability of the building

Simultaneously with the determination of the state of engineering networks, a survey of the structures of the building or structure is carried out, based on the results of which a conclusion is made about the state of individual structural elements, and recommendations are issued on ways to eliminate the identified deviations from the normative indicators. Depending on the scope of work provided for by the task, the following is performed:

• survey of foundations with the determination of the depth of their laying, the size of the sole, and, if necessary, pits are opened, and the condition of the foundation soils is checked. Most often, simultaneously with the foundations, a basement survey is carried out, when the safety of the walls, the tightness of the entry points of engineering communications into the building, the design and safety of the floors are fixed;
• examination of columns, crossbars, beams, floor slabs, during which their actual dimensions are measured, if necessary, the reinforcement of structures and the strength of concrete are determined by non-destructive methods, on the basis of which a conclusion is made about the possibility of transferring additional load to the frame elements (during the reconstruction of the building) and the suitability of the elements frame for further use. Measurements of the support values ​​of structural elements are also made in order to finally give recommendations for their increase;
• mandatory instrumental examination of the metal structures of the building frame. During these works, the absence of damage to the elements is checked, deflections are measured, and the state of anti-corrosion protection is determined. The supporting units of the structures are examined, while the presence, number and diameter of bolts, nuts and washers or the length and leg of welds are recorded. Based on the results of the stage of work, when the metal structures were examined, the report proposes measures to correct the identified shortcomings, including the necessary reinforcement sketches. The results of visual and instrumental surveys are taken into account when developing design solutions for load-bearing steel structures of reconstructed buildings;
• inspection of the walls, when the thickness and material of the fence are checked, if necessary, samples are taken to determine the thermal characteristics of the structures and their compliance with energy saving requirements. The quality of the panel joints and the condition of the sealing materials are checked.
• inspection of the roof of civil buildings with attics, during which the condition of the truss structures and their places of support, the integrity and presence of fastening elements of roofing materials with a pitched roof, the safety of gutters and pipes, the quality of the attic floor insulation are examined. With a flat or low-slope roof, the roof inspection consists in assessing the condition of the rolled carpet, as well as determining the physical and mechanical characteristics of the existing insulation. This stage also serves as the basis for the development of measures to improve the energy efficiency of the building.

Who can be trusted to conduct surveys

A comprehensive survey of engineering systems and building structures is a very complex and responsible job, when an error can lead to quite serious consequences. Therefore, enterprises providing services of this profile must necessarily have a permit from a self-regulatory organization confirming the availability of qualified personnel, as well as the necessary material base. There is such a tolerance and the company "Expertsystem".

The Expertsystem company has been performing inspections of buildings and structures in Moscow and the Moscow Region for several years, and each time the reports made by the company's specialists received positive reviews from the expert bodies, and the assessment of the condition of the property became the basis for determining the fair price for the building or structure.

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Upon completion, the customer will be issued a certificate and conclusion. As well as confirmation of the work performed.

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1. Sample for design and survey - KP, TK, ESTIMATE technical examination of engineering systems up to 1500 m2
2. Sample for design and survey - KP, TK, ESTIMATE technical examination of structures up to 1500 m2

Inspection of engineering networks of treatment facilities

Inspection of treatment facilities- begins with the preparation of technical specifications. The chief engineer or general director visits the facilities, appointing specialists responsible for the specific work. At the end, a detailed plan will be drawn up, including the results of the research, a list of equipment with recommendations for use and of course the details of the upgrade.

Inspection of water supply systems

Inspection of water supply systems- a set of measures aimed at clarifying the actual and obsolescence of the engineering water supply system. Includes a detailed visual inspection by specialists, control using narrow-profile equipment and design work. Upon completion, a study report is drawn up, which details the results, recommendations, best practices for modernization and maintenance.

Inspection of electrical networks

Inspection of electrical networks- usually initiated by the company on the fact of excess electricity costs or on the onset of an emergency. Networks, electrical installations, input devices are examined directly. Based on the issued conclusion, actions are taken to improve, repair, and dismantle systems.

Inspection of engineering networks of ventilation ducts

Inspection of ventilation ducts- this includes checking the design documentation and working calculations to assess the feasibility of the installation. Control of the system, air channels and nodes. At the end, recommendations for effective use, repair or modernization are given, if necessary.

Examination of the ventilation system

Examination of the ventilation system- comes down to measuring parameters (air flow rate, transparency, amount of suspended particles, humidity) and comparing the obtained data with those calculated for a particular system. In case of a significant discrepancy, the system is examined for incorrect operation of nodes and components.

Ventilation inspection report

Ventilation inspection report– includes the data shown by the calculation when designing the system and the practical parameters of the operating system. With a significant discrepancy between the parameters, measures are indicated to equalize them.

Exhaust ventilation in production

Exhaust ventilation in production- it is extremely necessary for pumping the required amount of clean oxygen-saturated air into the room, removing production products harmful to human health outside the working area. The most optimal option of all possible ventilation systems for most types of production.

Validity of engineering surveys- defined by law as 2-3 years. The results with a period of more than 3 years are included in the history of engineering surveys, they are necessary for the conclusion during the repeated reconnaissance study.

Obtaining GPZU, SPOZU in Moscow

Obtaining GPZU, SPOZU in Moscow- perhaps in the committee for urban planning and architecture in the city of Moscow, or in the Moscow Committee for Architecture.

First of all, you need to collect a package of confirmed papers. The term of rendering services from the moment of submission of documents to issuance: 30 days.

What is GPZU, SPOZU

What is GPZU, SPOZU- a set of documents properly executed by the responsible person, Scheme of the planning organization of the land plot or in the form of an abbreviation. Describes in detail the special purpose of a particular territory, characteristics and possibilities for construction.

Samostroy

Samostroy- a structure erected without proper permits and approvals. In places not intended for that.

How to legalize unauthorized construction

How to legalize unauthorized construction- you should start by calling a commission from the local authorities of the municipality. Which will issue the necessary confirmations. Directly the decree on the legalization of the building will be obtained in the arbitration court.

Legalization of unauthorized construction

Legalization of unauthorized construction- we apply the latest research and achievements in both technical and legal terms, so that you get the opportunity to solve the problem with minimal effort.

Temporary structure, definition

Temporary structure, definition– structures and structures are recognized that can be moved without causing disproportionate damage. An integral structure, not connected with the ground and utilities, which does not have a rigid foundation, which is not possible to release without destroying the structure.

List of documents for putting the object into operation

List of documents for putting the object into operation- this includes: a statement from the developer and investor on the issuance of documents for putting the object into operation, confirmation of acceptance, a document confirming the parameters of the erected object in accordance with the current regulations. Papers confirming the compliance of the erected building with the technically approved project.

Procedure for registering a land plot

Procedure for registering a land plot– statements describing the purpose of acquiring rights to the site, supporting document indicating perpetual use or lifetime ownership and justifying the reason. An extract from the household book, an act on the receipt of land, is issued by the local government. One document confirming the owner of the land. Confirmation of payment of the state duty and a passport of a citizen of the Russian Federation.

The composition of the redevelopment project

The composition of the redevelopment project- includes: a diagram of the device of partitions, reinforcement of openings. Systems of water supply, sewerage and heating.

Plan before work starts. Measures to ensure industrial and fire safety. Project manager confirmation.

The cost of the renovation project

The cost of the renovation project- includes the cost of drawing up a design, draft and working draft.
Author's supervision.
A significant proportion is the preparation of the necessary documents.
Refurbishment project- pursues the goal of ensuring complete structural safety of engineering systems, operational characteristics and structure structures. Project design standards are regulated in accordance with GOST 21.101-97 and GOST 21.501-93.
Development of a redevelopment project- begins with the provision of documents from the Bureau of Technical Inventory and a sketch of redevelopment.

Mezzanine

Mezzanine- in world practice, an additional room built into the main body of the building, in Russian architecture - a shelf in the upper part of the room used to store a home scrub.

Sample act of inspection of the object

Sample act of inspection of the object- filled in by members of the commission that examined the property and makes a conclusion. Fixing the data in the survey report.

The act of inspection of the property- a document confirming the readiness of the property for operation. Compiled for newly erected and renovated buildings. Compiled by an authorized commission of administrative authorities. It has the task of improving the overall picture of construction.
The act of inspection of buildings and structures sample- a document confirming the inspection of the structure by a group of persons. For the next inspection of the building, only competent persons should be involved, who are obliged to evaluate all the identified shortcomings in the building.
Building Inspection Certificate Sample– cannot be used as a supporting document. Applicable for familiarization with the formal rules for filling out reports.
The act of inspection of building structures- confirms the control and examination of the condition of the structures of the building and structures. In the case of a defect that cannot be eliminated without dismantling the structures, a separate act of eliminating the defect is drawn up.

Control of building structures

Control of building structures- It is carried out upon the erection of a building or structure. In the future, scheduled or unscheduled, it takes place in the presence of a competent commission with the registration of results. And entering the data into the current documentation for further analysis.

Expert opinion sample document- used for the initial drawing up of the conclusion. Can be used as a secondary confirmation, not suitable as a final expert opinion.

Examination of buildings and structures

Examination of buildings and structures- aims to determine the residual resource and technical condition of buildings and structures. An assessment of how much the erected building meets the requirements and how much it meets the industrial safety requirement.

Technical Inspection Certificate- carried out in order to confirm the technical inspection of the building. In order to safely operate the building, a commission of authorized members is needed to confirm the readiness of the building for operation.
Building inspection report sample– can be downloaded from our website. It is used as a draft version of the document submitted to the competent authorities for greater accuracy and error reduction.
The act of inspection of buildings and structures- captures the state of the object at the present moment. It details the defects. All changes are recorded in writing, after which the document is certified by the parties of the customer and interested third-party organizations. Does not display the overall set of technical condition.
The act of inspection of the construction site- is compiled at the time of a scheduled or unscheduled inspection of the construction site to identify technical details and compliance of technological operations with the terms of reference.
Act of defecation form- is necessary only in cases of finding a significant defect in the structure of the building and structure. The form can be downloaded from the website of the local authority "Rostekhnadzor".
Fault detection act- a document certifying that the building and structure cannot be used for its intended purpose. Has severe defects, needs serious repairs. Compiled by an authorized commission of specialists.
Opening in the bearing wall cost - the price consists of the complexity of the technical implementation. In particular, the material of the wall, brick, monolithic concrete or a house made of panels affects. Based on the material, choose the tool. Depending on the chosen tool and the classification of specialists, the final figure is added up.

Opening reinforcement project

Opening reinforcement project- is developed by design organizations - members of the SRO or the authors of the building project. According to housing law, openings in load-bearing walls significantly affect safety. Therefore, they must be properly drawn up at the Moszhilinspektsiya.

Reinforcement of metal beams

Reinforcement of metal beams- It can be local or general. Local reinforcement due to welding of additional stiffeners. General - the creation of the lower belt of sprengels, the removal of the reference voltage.

Concrete expertise

Concrete expertise- reconciliation of the actual quality of the product with the characteristics shown in the project documentation.

The highest quality strength measurement is carried out using concrete cores taken from the finished structure.
Determination of concrete strength- it is possible to determine by the method of destructive control, indirect non-destructive and direct non-destructive. Ultrasonic testing. Regardless of the method or equipment, the measurement error is never less than 30%.
Concrete testing laboratory- concrete composition is complex, and therefore, an analysis of each component is necessary for evaluation. The laboratory selects the required composition of concrete, depending on the technical specifications, as well as the composition of gravel, cement, sand. Determination of properties of vibrations and reinforcing bars.

Methods for quality control of welded joints

Methods for quality control of welded joints– Distinguish destructive methods of control. The model of the welded product is subjected to mechanical tests. And non-destructive testing: visual, pneumatic and hydraulic tests. Magnetographic and X-ray control.
Ultrasonic control.

Flaw detection laboratory- a set of tools and methods aimed at the production of flaw detection by all available methods: destructive and non-destructive testing, ultrasound, visual inspection, etc. Develops methods for detecting defects and creating practical devices based on their principles.
Checking the quality of welds- there are several types of welds, depending on the purpose, the quality also varies. Accordingly, control methods.
Weld test- carried out after cooling, may vary depending on the purpose of the connection. Distinguish control visual, ultrasonic and x-ray.
Weld control- visual, ultrasonic or x-ray method for examining the result of welding work. To check the quality of the connection.

Design of buildings and structures

Design of buildings and structures– is carried out on the basis of the terms of reference, geological conditions and regulatory acts and laws.

Project documents undergo multiple checks through authorities and regulatory authorities and are approved only after general agreement.
Building project- a graphically and mathematically modeled and documented building model used to create an estimate and more detailed study of operations during the construction of a building.
Construction design is the development of the most optimal technological process in accordance with economic models, specified technical conditions and its geological capabilities.
Building facade design- calculation and graphic work, as well as a general and sectional plan of the facade of the building, taking into account the specific site and the specifics of its operation and construction.
Building design price- design cost, a complex set of key costs (work of specialists, costs of work, etc.)
Building design cost- the total cost of creating a project with the participation of technical specialists, developing solutions. As well as overhead, legal and other expenses.
Sample projects– we finalize, refine and process standard projects for your tasks, technical solutions and wishes. A typical project is usually the basis of all private projects to reduce the same type of work.
Shopping center project- compiled taking into account supply chains, human flows, urban communications. Closely integrated with the housing economy and infrastructure facilities.
Project working documentation, working draft - a set of transitions, operations and plans from different angles for the production of specific technical actions (masonry, finishing, facade plan, section plan).
What is project documentation- a set of graphic and calculation materials that make up the apotheosis of preliminary work in preparation for the construction of a building and structure.
Design of industrial facilities- similar to other types of design, but taking into account the financial and budget analysis, calculations of product sales. Designing with the implementation of all possible measures for the successful implementation of the project.
Production design- in accordance with the requirements of regulatory and technical acts. Taking into account the use of production equipment and materials. The basis is a project developed specifically for you, taking into account the preferences and recommendations of the customer. No generic solutions.

measurements

measurements- a set of actions aimed at accurately measuring the dimensions of the room (width, height, volume, area). Necessary for repair, assessment of the cost of installation work. When installing communications, cosmetic repairs and other actions.

Measurement of premises- the primary procedure is integral to the examination, repair, redevelopment. Other technical or legal actions in relation to the premises.
Room measurements cost- this includes the cost of remuneration to specialists, overhead costs and depreciation of equipment. Also, the price varies greatly depending on the size.

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