Useful

Air tank R10 170. Oil trap for surface wastewater treatment. Changes made to interstate standards

Air tank R10 170. Oil trap for surface wastewater treatment.  Changes made to interstate standards

As you know, tanks are made of different volumes and designs are used by both large enterprises and individuals. Mostly relatively small horizontal capacity 10 cubic meters used to store water and oil products.

Appointment capacity 10 cubic meters

Purposes for which it is purchased water tank 10 m3, may be different. So it can store drinking or industrial water, it can be installed for rainwater collection, drainage or wastewater treatment. It is convenient to use it both in enterprises and in private households or in the country. Usually water tank 10 cubes has internal anti-corrosion protection.

Steel ground or underground reservoir p 10 it is convenient for storing oil products at oil depots and gas stations, it is used for fuels and lubricants at enterprises. For storage of light and dark fuels and lubricants capacity 10 cubes buy it is necessary with a suitable bottom shape: for overpressures within 40 kPa, it is taken capacity 10 cubes with a flat ribbed or ribless bottom, and at a pressure of up to 70 kPa - with a conical one. Often the walls tank 10 m3 supplied with additional stiffening rings.

Structure and equipment of tanks RGS 10

Made from carbon and stainless steel, hence the name RGS 10(i.e. horizontal steel tank). For the northern regions, low-alloy steel is taken, therefore, for such capacity 10 m3 price somewhat higher. Additionally, internal and external surfaces can be treated with special anti-corrosion protection, selected depending on the purpose and location of the container. In this case, slightly increased by such capacity 10 price justified by the extension of durability.

According to its structure tank RGS 10 can be one-, two- or multi-section, single-walled or double-walled. Additionally, thermal insulation or even heaters can be used, of course, for such RGS 10 price will be higher.

Complete set each tank RG 10 may vary depending on the application and operating conditions. This may include:

  • breathing and safety valves;
  • light and measuring hatches4
  • fittings for intake, loading and ventilation;
  • control devices;
  • cover for inspection, cleaning and repair;
  • crackers;
  • grounding;
  • other special equipment.

Also, external stairs and platforms with fencing, wells, manholes, branch pipes help to facilitate maintenance. Depending on the structure, metal, mandatory and additional equipment calculated for each capacity 10 cubic meters price, which can vary quite widely.

Placement of tanks WG 10

It is characteristic that capacity RGS 10 can have both ground and underground location. Ground horizontal tanks are installed on two rack or saddle type supports. Underground containers are placed below the freezing level of the soil, which provides the necessary thermal insulation and prevents the contents from freezing at low temperatures in difficult climatic zones. Also, underground placement contributes to additional protection against damage, which is especially important for ensuring fire and explosion safety during the storage of petroleum products and fuels and lubricants.

All documents presented in the catalog are not their official publication and are for informational purposes only. Electronic copies of these documents can be distributed without any restrictions. You can post information from this site on any other site.

FEDERAL AGENCY
FOR TECHNICAL REGULATION AND METROLOGY

NATIONAL
STANDARD
RUSSIAN
FEDERATION

GOST R

52400-

2005

AIR RESERVOIRS FOR BRAKES
RAILWAY CARS

General specifications

Moscow
Standartinform
2006

Foreword

Goals and principles of standardization in Russian Federation established by the Federal Law of December 27, 2002 No. 184-FZ "On Technical Regulation", and the rules for the application of national standards of the Russian Federation - GOST R 1.0-2004 "Standardization in the Russian Federation. Basic Provisions".

About the standard

1 DEVELOPED AND INTRODUCED by the Technical Committee for Standardization TK 243 "Wagons"

2 APPROVED AND INTRODUCED BY Order federal agency on technical regulation and metrology dated November 22, 2005 No. 298-st

3 INTRODUCED FOR THE FIRST TIME

Information about changes to this standard is published in the annually published information index "National Standards", and the text of changes and amendments - in the monthly published information indexes "National Standards". In case of revision (replacement) or cancellation of this standard, a corresponding notice will be published in the monthly published information index "National Standards". Relevant information, notification and texts are also posted in the public information system - on the official website of the national body of the Russian Federation for standardization on the Internet

Introduction date 2006-07-01

1 area of ​​use

This standard applies to air reservoirs for the brakes of freight and passenger cars. railways gauge 1520 mm.

2 Normative references

This standard uses references to the following interstate standards:

4.2 Design requirements

Defects formed during the manufacture of the shell and bottom of the tanks, more than 0.2 mm deep and leading the metal thickness beyond the limits of the minus tolerance for the source material, are not allowed.

4.2.5 The corrugation of the cylindrical part of the bottom shall not exceed 0.5 mm for a bottom with a diameter of up to 400 mm and 1 mm for a bottom with a diameter of more than 400 mm.

4.2.6 The cylindricity tolerance and the roundness tolerance of the tank shall not exceed the diameter tolerance.

4.2.7 Fittings should be welded in the center of the bottom and in the middle of the shell.

Displacement of the fitting from the center of the shell is allowed, while the distance from the transverse or longitudinal seam of the tank must be at least 100 mm.

Cracks of all types and directions in the weld, heat-affected zone and base metal;

Unsealed craters;

Weld seam burns;

influxes;

Undercuts deeper than 0.1S, with a length of more than 2.0 mm in the amount of three per 100 mm of the seam length ( S - thinner element thickness);

fistulas;

Lack of penetration in the longitudinal weld;

Edge displacement in butt welds: in longitudinal more than 0.1S, in the ring - more than 0.1S+ 1,0;

Edge withdrawal more than 0.1S + 3,0;

Pores in the form of a continuous grid;

Accumulation of pores and inclusions.

5 Safety requirements

6 Acceptance rules

6.1 To control the compliance of tanks with the requirements of this standard, acceptance, periodic and type tests should be carried out in accordance with GOST 15.309. Certification tests are carried out in accordance with the requirements of the Certification System.

6.2 During acceptance tests, they are subjected to continuous control - , , (the size of the seams), , , , and selective control , , , , , , . The sample size is set by the manufacturer.

Internal defects welded joints() is subjected to continuous control on tanks with a design pressure of 1.0 MPa (10 kgf / cm 2) and selective control on tanks with a design pressure of 0.7 MPa (7 kgf / cm 2). The sample size is determined by agreement with the customer.

6.6 Sampling of tanks for periodic testing is carried out by random selection in accordance with GOST 18321. The sample size is determined by agreement with the customer.

6.7 Tanks are subjected to type tests after changes are made to the design or technology to assess the effectiveness and feasibility of the changes made. The decision to carry out type tests is made by the manufacturer in agreement with the customer.

Changes in the design and manufacturing technology of tanks are confirmed by calculations in accordance with GOST 14249 (4.1.2.)

6.8 During type tests, tanks are checked in full to the requirements of this standard.

6.9 The results of the inspection and testing of tanks must be drawn up in accordance with GOST 15.309.

7 Test methods

7.1 Correct assembly ( , ), defects ( , ), marking (), completeness () and welding () are checked visually during external inspection.

7.2 Compliance with the requirements , ,) - on - on the control connections.

7.5 Determination of internal defects in the seams of welded joints () is carried out by the method of transmission by penetrating radiation according to GOST 7512, sensitivity class 2, by the method ultrasonic flaw detection in accordance with GOST 14782 or by X-ray television method in accordance with GOST 27947. It is allowed, upon agreement with the customer, to determine internal defects by acoustic emission method in accordance with GOST 18353.

Longitudinal and circumferential seams are subject to transillumination for at least 25% of the total length of the completed butt joints of the tank.

It is allowed, in agreement with the consumer, to reduce the percentage of the total length welds.

7.6 The tightness of the seams () should be checked by a hydraulic test. Hydraulic testing of the tank should be carried out with a test (one and a half design) pressure, at which it is maintained for 3 minutes, tanks with a capacity of 170 l - 5 minutes.

During the test, a technical inspection of the tank is carried out and the welds are tapped with a wooden hammer weighing 0.5 kg.

Leaks, "tears" and sweating during the test are not allowed.

By agreement with the customer, it is allowed to test the density of the joints by pneumatic method according to the manufacturer's technology, which provides the necessary safety measures.

7.7 Permissible deviation from the capacity of the tank () is determined by weighing, as the difference between the masses of the hollow and the tank filled with water to the maximum. .

8 Packaging, transport and storage

8.1 Tanks after hydraulic tests must be cleaned of foreign objects and residues of welding materials, dried inside, the openings of the fittings must be coated with anti-corrosion grease in accordance with GOST 9.014 and plugged with a process plug that does not violate the state of the threaded part.

8.2 During transportation and storage, the tanks must be protected from shock and mechanical damage.

8.3 Storage conditions for tanks in terms of exposure to climatic factors C - according to GOST 15150. PASSPORT
air reservoir for auto brakes

_______________________________________ wagons

passenger, freight, etc.

Reservoir ________________________________________________ according to GOST R 52400-2005

reference designation of the tank according to the standard

Manufacturer _____________________________________ Mark of conformity

Month and year of manufacture____________________________________________ Systems

Serial number________________________________________________ of certification

Material_____________________________________________________________________

Shell thickness_____________________________________________________________

Bottom thickness ________________________________________________________________

Design pressure, MPa (kgf / cm 2) ________________________________________________

Working pressure, MPa (kgf / cm 2) _________________________________________________

Test pressure, MPa (kgf / cm 2) _________________________________________________

Number of fittings and thread size in inches ____________________________________

Assigned service life, years __________________________________________________

_________________________________________________________________________________________

tank manufacturer's record of conformity

_____________________________________________________________________________

GOST R requirements based on test results

M.P. Head of the workshop of the manufacturer __________________________________

signature, initials, surname

signature, initials, surname

Repair plant (enterprise) __________________________________________________

Month and year of receipt for repair ________________________________________________

List of types of survey and testing of the tank (in accordance with operational documentation) _________________________________________________

_____________________________________________________________________________

record of the plant (enterprise) that conducted the survey

_____________________________________________________________________________________________

and testing of the tank upon receipt of the car for repair,

______________________________________________________________________________

indicating the suitability of the tank for operation

M.P

Head of the plant (enterprise) _____________________________________

signature, initials, surname

Head of QCD ___________________________________________

signature, initials, surname

STATE STANDARD

UNION SSR

GOST 1561-75

Official edition

STATE COMMITTEE OF STANDARDS OF THE COUNCIL OF MINISTERS OF THE USSR

DEVELOPED

All-Union Research Institute of Carriage Building (VNIIV)

Deputy director Rzhavinsky B. A.

Leader of the theme Kuzmich A.L.

Artist Nikishova T. E.

Ural Carriage Works

Ch. engineer Khromov I.V.

Leaders of the theme: Krivetsky A. A., Strizhov E. T.

Performer Pavlyukov E. A.

INTRODUCED by the Ministry of Heavy, Energy and Transport Engineering

Deputy Minister Matveev E.S.

PREPARED FOR APPROVAL by the Department of Mechanical Engineering State Committee standards of the Council of Ministers of the USSR and the All-Union Scientific Research Institute for Normalization in Mechanical Engineering (VNIINMASH]

Director Verchenko V.R.

APPROVED AND INTRODUCED BY Decree of the State Committee for Standards of the Council of Ministers of the USSR dated July 23, 1975 No. 1894

Editor L. A. Malyshev Technical editor V. Yu. Smirnova Proofreader I. L. Khinits

Rented on emb. 20 08 75 Sign. in the oven 10 10 75 0.5 p. l. Tyr. 6000 Price 3 kop.

Standards Publishing House. Moscow, D-22, Novopresyansky lane. 3 Type. Moscow printer. Moscow, Lyalin per., 6. Zak. 1528

UDC 625.2-592.5(083.74] Group D56

STATE STANDARD OF THE UNION OF THE SSR

AIR RESERVOIRS FOR AUTOBRAKES OF RAILWAY CARS

Air reservoirs for railway car automatic brakes

GOST 1561-65

By the Decree of the State Committee of Standards of the Council of Ministers of the USSR dated July 23, 1975 No. 1894, the validity period is established

from 01.01.77 to 01.01.82

Non-compliance with the standard is punishable by law

This standard applies to air tanks for automatic brakes of freight and passenger cars, electric trains, diesel trains of execution U in accordance with GOST 15150-69, as well as subway and tram cars.

1. TYPES AND MAIN PARAMETERS

1.1. Types and basic parameters of tanks must correspond to those indicated in the drawing and in the table.


/ - fitting of the bottom; 2-bottom with a hole; 3-ring backing; 4-shell; 5-cork; 6-shell fitting, 7-bottom deaf.

Official edition

Reprint prohibited

©Standards Publishing, 1975

Estimated

pressure,

Nominal thread size

Dimensions

fitting, inches

reservoirs

shells

* By order of the consumer.

Notes:

1. It is allowed to increase the height of the bottom by reducing the length of the shell.

2. It is allowed to additionally install fittings on the blank bottom on the shell as agreed with the consumer.

3. It is allowed to use backing strips for longitudinal welded joints.

1 Deviations of the actual capacity of the tanks from that indicated in the table should not exceed 3%.

Example symbol tank with a design pressure of 0.7 MPa (7 kgf / cm 2), with a capacity of 100 l:

Reservoir R7-100 GOST 1561-75

The same, with a design pressure of 1.0 MPa (10 kgf / cm 2):

Reservoir R10-100 GOST 1561-75

1.2. The fittings of the shell and the bottom of the tank must have a pipe thread according to GOST 6357-73, class B.

2. TECHNICAL REQUIREMENTS

2.1. Tanks must be manufactured in accordance with the requirements of this standard according to working drawings approved in the prescribed manner.

2.2. Tank parts must be made of steel of the following grades:

a) bottom, shell, backing rings and strap - 10KHNDP according to GOST 19282-73, 15 according to GOST 1050-74 and VStZspb according to GOST 380-71 with a metal thickness of 5 mm or more; YuKhNDP according to GOST 19282-73, 15 according to GOST 1050-74 and VstZsp2 according to GOST 380-71 with a metal thickness of 4 to 5 mm; 4-IV-VStZsp or 4-IV-15 according to GOST 16523-70 and YuKhNDP with a metal thickness of 3.9 mm or less.

It is allowed to use semi-quiet steels of the same grades for tanks with a design pressure of 0.7 MPa (7 kgf / cm 2).

For tanks with a design pressure of 1.0 MPa (10 kgf / cm 2), the use of semi-quiet steel is allowed upon agreement with the consumer.

By agreement with the consumer, the use of other materials is allowed.

For subway cars, it is allowed to manufacture tanks from steel grades 20 according to GOST 1577-70 and 5-III-20 according to GOST 16523-70;

b) fitting - made of VStZ steel according to GOST 380-71 of any degree of deoxidation.

It is allowed to use steel grades 15, 20 according to GOST 1050-74 or 15L-I, 20L-I according to GOST 977-65;

c) cork - from steel StO, St1, St2, St3 of any group and method of deoxidation according to GOST 380-71.

It is allowed to manufacture plugs from cast steel grades 15L-I, 20L-I, 25L-I, 40L-I in accordance with GOST 977-65, as well as from plastics.

2.3. The thread of the fitting and plug must be clean. Stripped or incomplete threads are not allowed if their length exceeds 10% of the total thread length along the helix.

2.4. Tank bottoms must be hot or cold stamped.

The bottoms must be heat treated if the stamping end temperature is below 700°C.

2.5. Thinning up to 10% of the sheet thickness is allowed in the small radius area of ​​the stamped bottom.

2.6. The condition of the surface of the shell and the bottom must meet the requirements established by the standards for the source material.

Defects formed during the manufacture of the shell and bottom of the tanks, with a depth of more than 0.2 mm with a metal thickness of up to 5 mm, 0.3 mm with a metal thickness of more than 5 mm and leading the metal thickness beyond the minus tolerance are not allowed.

Tears and delamination of metal are not allowed.

2.7. The corrugation of the cylindrical part of the bottom should not exceed 0.5 mm for the bottom with a diameter of up to 400 mm and 1 mm with a diameter of more than 400 mm.

2.8. Deviations from the correct geometric shape of the tank (non-cylindrical, non-circular) are allowed within the diameter tolerance.

2.9. The preparation of parts for welding, the production of welding work, the grades of welding materials used must comply with the regulatory and technical documentation for the manufacture of welded structures of railway cars.

2.10. Longitudinal and circumferential seams must be made end-to-end by electric arc welding in accordance with GOST 8713-70 or GOST 14771-69.

2.11. The fittings must be welded in the center of the bottom and the middle of the shell.

It is allowed to weld the shell fitting with an offset from the middle at a distance of at least 100 mm from the longitudinal and transverse seams.

2.12. The strength of the welded joint must not be less than the strength of the base metal.

The quality of the welding consumables used must ensure: the tensile strength of the weld metal is not less than the lower tensile strength of the base metal, the relative elongation is not less than 18% and the impact strength is not less than 0.8 MJ / m 2 (8 kgf-m / ​​cm 2) at temperature plus 20°C and not less than 0.4 MJ/m2 (4 kgf-m/cm2) at minus 20°C.

2.13. At a bending angle of 100°, there should be no cracks in the welded joints.

2.14. Tank seams must be tight.

2.15. Welding must be carried out by welders who have been tested in accordance with current rules Gosgortekhnadzor.

2.16. The outer surface of the tanks must be painted in accordance with GOST 7409-73, GOST 12549-67 and GOST 16303-70.

Before painting, the tanks must be subjected to all types of tests and controls.

2.17. Service life of tanks - 20 years.

3. ACCEPTANCE RULES

3.1. To check the compliance of tanks with the requirements of this standard, the manufacturer must carry out Acceptance Tests.

3.2. During acceptance tests, the appearance of the tank must be controlled for compliance with the requirements of Sh1. 2.3, 2.5-2.8, 2.11, 2.16 and the quality of welds for compliance with the requirements of paragraphs. 2.10, 2.12-2.14.

3.3. When checking the quality of welds, the following should be controlled:

a) appearance, dimensions and external defects of welds;

b) mechanical properties;

c) internal defects;

d) the density of the seams.

3.4. Verification according to paragraphs. 3.3 a, d, each tank must be subjected, and according to clause 3.3 b - selectively from the batch of tanks installed by the manufacturer.

3.5. Each tank with a design pressure of 1.0 MPa (10 kgf / cm 2), and with a design pressure of 0.7 MPa (7 kgf / cm 2) - selectively from a batch of tanks as agreed with the consumer.

3.6. The results of the inspection and testing of tanks must be recorded in a special book l of the manufacturer.

4. TEST METHODS

4.1. Examination appearance the tank and the dimensions of the welds should be carried out by external inspection and measurement.

4.2. Checking external defects in welds - according to GOST 3 242-69.

4.3. Definition mechanical properties welded joints - according to GOST 6996-66.

4.4. The determination of internal defects in the seams of welded joints should be carried out by the method of transmission by penetrating radiation in accordance with GOST 7512-69 or by the method of ultrasonic flaw detection in accordance with GOST 14782-69.

Longitudinal and circumferential seams are subject to transillumination for at least 25% of the total length of the butt welds of the tested tank.

It is allowed, in agreement with the consumer, to reduce the percentage of the total length of welds and the number of translucent tanks.

4.5. The tightness of the joints must be checked by a hydraulic test.

Hydraulic testing of the tank should be carried out with a test (one and a half design) pressure, under which it is maintained for 3 minutes, tanks with a capacity of 170 and 300 l-5 minutes.

During the test, the reservoir should be inspected and the welds tapped with a wooden hammer weighing 0.5 kg.

Leaks, "tears" and sweating during testing are not allowed.

4.6. Each tank with a design pressure of 1.0 MPa (10 kgf / cm 2) must be accompanied by operational documentation in accordance with GOST 2.601-68 (by request of the consumer).

5. MARKING, TRANSPORT AND STORAGE

5.1. On the blank bottom or shell of the tank, the following inscriptions and signs must be applied with white oil paint:

conditional number or trademark of the manufacturer;

tank designation;

tank number according to the manufacturer's numbering system;

year and month of manufacture.

In addition, the following should be engraved on the shell fitting: the tank number, the year and month of manufacture, and the conditional number or trademark of the manufacturer.

At the request of the consumer, other data may be indicated on tanks with a design pressure of 1.0 MPa (10 kgf / cm 2).

5.2. Tanks after hydraulic tests must be dried inside, the openings of the fittings must be coated with anti-corrosion grease and plugged with a cork to prevent it from getting inside.

5.3. Tank storage conditions group - C according to GOST 15150-69.

5.4. During transportation, the tanks must be protected from shock and mechanical damage.

6. MANUFACTURER WARRANTY

6.1. The manufacturer shall ensure that the tanks comply with the requirements of this standard, provided that the user observes the rules for operation, transportation and storage.

The warranty period is set to 5 years from the day the tank was put into operation.

CHANGES MADE TO INTERSTATE STANDARDS

E. VEHICLES AND PACKAGES

Group D56

Amendment No. 1 to GOST 1561-75 Air tanks for automatic brakes of railway cars

Adopted by the Interstate Council for Standardization, Metrology and Certification (Minutes No. 16 dated 08.10.99)

Registered by the Technical Secretariat of the IGU No. 3465

(Continued from 12)

Continuation

The name of the standard shall be supplemented with the words " Specifications”, “Specifications”.

Clause 2 2 Replace the reference GOST 19282-73 with GOST 19281-89 Paragraph 217 shall be stated in new edition"217 The service life of tanks is 20 years, for subway cars - 31 years. After the expiration of the service life of the tanks of subway cars, their operation must be terminated. The decision on the possibility of further operation is made based on the results of an examination of the technical condition of each tank according to an agreed methodology."

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Title in Russian - Equipment for vertical cylindrical tanks for oil products. Pig-iron hinges for a lifting pipe. Specifications.

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Flushing tank - non-pressure, water-accumulating tank filled automatically from water supply network and emptied manually or automatically to ensure flushing of the toilet bowl (floor bowl).

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emergency tank

The R-10A emergency tank is designed to collect and store emergency spills.

Designations in the figure of the emergency tank:

1. Tank with a volume of 10 m 3.

2. Technological compartment.

3. Manhole hatch with a diameter of 800 mm.

4. Manhole cover with a diameter of 920 mm.

5. Filling line - Du100 pipeline.

6. Desliming line - Du40 pipeline.

7. Flame arrester OP-50.

8. Measuring pipe DN40.

9. Deaeration line - Du50 pipeline.

10. Manovacuummeter (shown conditionally).

Figure 2.3- Emergency tank R-10A

Fuel dispenser

In this diploma project, a new unified fuel dispenser of the A.122 series with a pump monoblock of the Tokico OS 1111-B type manufactured by Petroleum Sistems is used.

Distinguishing features of multi-product column series

Application area. Fuel dispensers are allowed for use in explosive zones V-1a, V-1b, V-1g according to the PUE classification in which mixtures belonging to categories IIA and IIB, groups T1, T2, T3 can take place.

The main area of ​​application of the fuel dispenser is gas stations.

General brief specifications Fuel dispenser series A 122

types of fuel - gasoline, diesel fuel;

relative air humidity at a temperature of 35C - 100%;

kinematic viscosity - no more than 6.5-7.0 mm 2 /sec. (at 20C);

power supply from a network of alternating 3-phase and 1-phase current - voltage 230 (+10/-15)%, frequency - 501 Hz;

ambient temperature - from -45C to +50C;

the highest flow - 50 l / min;

the smallest expense - 4 l/min;

the limit of permissible basic error is 0.25%;

the minimum dose of fuel delivery - 2 liters;

the number of grades of fuel - 1;

number of tips in one side - 2;

indication - liquid crystal display;

length of the dispensing sleeve - not less than 4.5 meters;

counter of the total amount of fuel passed through the column - electromechanical 7-bit;

the number of simultaneously refueling cars - 1 or 2;

weight - no more than 145 kg;

length - no more than 980 mm, height - no more than 2100 mm, width - 530 mm;

sound level - no more than 70 dB;

pump drive power - no more than 1.1 kW.

Oil trap for surface sewage treatment

The oil trap for the treatment of industrial and storm wastewater is manufactured in accordance with TU 4589-001-43512348-99 and is intended for the treatment of surface wastewater with further discharge into a sewer or water body (in this project, into a drainage ditch).

When discharging treated wastewater into a water body, the oil trap is equipped with a fine filter, which is installed inside on the outlet pipe.

The fine filter consists of metal frame with a diameter of 190 mm, a length of 1120 mm, wound on it and fixed with clamps of carbon fiber sorption filter material BUSOVIT (TU RB 00204056-108-95).

The main characteristics of the oil separator:

Estimated performance of the oil trap - 3 l / s;

Material - steel St3;

Service life - not less than 15 years.

Transportation and storage of the oil trap is carried out by any mode of transport in accordance with the rules for the carriage of goods in force for this type of transport.

The carrying capacity of vehicles and loading facilities must be at least 5 tons.

Sampling is carried out in accordance with the instructions for sampling for wastewater analysis NVN 33-5.3.01-85.

Determination of petroleum products - CMEA "Unified methods for the study of water quality" part 1 M.87g.

Figure 2.4 Oil trap for surface wastewater treatment with a capacity of 3 l/s. Installation scheme on the foundation