509. Operation (filling, storage, transportation and use) of cylinders must be carried out in accordance with the requirements of the instructions of the organization (individual entrepreneur) carrying out the specified activities, approved in the prescribed manner.
510. Workers servicing cylinders must pass a test of knowledge of the instructions and have a certificate of access to independent work issued in accordance with the established procedure.
511. Placement (installation) of gas cylinders at places of consumption (use) as an individual cylinder installation (no more than two cylinders (one working, the other reserve) of each type of gas used in the process), a group cylinder installation, as well as on site storage of the technological stock of cylinders must be carried out in accordance with the equipment placement plan (project) taking into account the requirements of these FNP and the requirements fire safety.
512. When using and storing cylinders, it is not allowed to install them in places where people pass, loads move, or vehicles pass.
513. Cylinders (with individual installation) must be at a distance of at least 1 m from radiators and other heating devices, stoves and at least 5 m from heat sources with open fire.
514. The placement of group cylinder installations and the storage of cylinders with flammable gases must be carried out in specially equipped premises in accordance with the design and fire safety requirements or in an open area, while the location of group cylinder installations and the storage of cylinders with flammable gases in the room where the technological process use of the flammable gas contained in them.
515. Before use, the gas cylinder at the place of use must be installed in a vertical position and securely secured from falling in the manner established by the production instructions for use. During the production of repair or installation work a compressed oxygen cylinder may be placed on the ground (floor, platform), previously completely cleared of fuel and oil spills, providing:
A) positioning the valve above the cylinder shoe and preventing the cylinder from rolling;
B) placing its upper part on a gasket with a cutout made of wood or other material that prevents sparking.
The use of cylinders with liquefied and dissolved gases under pressure (propane-butane, acetylene) in a horizontal position is not allowed.
516. When using cylinders, it is not allowed to completely consume the gas in them. For a specific type of gas, taking into account its properties, the residual pressure in the cylinder is established in the operating manual (instructions) and must be at least 0.05 MPa, unless otherwise provided technical specifications for gas
517. The release (supply) of gases from cylinders into a vessel, as well as into technological equipment with a lower operating pressure, must be carried out through a reducer designed for a given gas and painted in the appropriate color. A pressure gauge with a scale must be installed at the inlet to the reducer, providing the ability to measure the maximum operating pressure in the cylinder; and a spring safety valve must be installed on the low pressure chamber of the reducer, adjusted to the corresponding permitted pressure in the vessel or technological equipment, into which gas is released, as well as a pressure gauge corresponding to this pressure. The type of pressure gauge and safety valve is determined by the project designer and the gearbox manufacturer.
518. In order to prevent fire and explosion of cylinders with flammable gases and oxygen, the equipment connected to them, as well as the pipelines and (or) flexible hoses used to connect it, must be in good condition and correspond (in materials and strength) to the gas used in them.
519. If it is impossible, due to a malfunction of the valves, to release gas from the cylinders at the point of consumption, the latter must be returned to the filling station separately from the empty (empty) cylinders with the corresponding temporary inscription (marking) applied to them by any in an accessible way, without compromising the integrity of the cylinder body. The release of gas from such cylinders at the filling station must be carried out in accordance with instructions approved in the prescribed manner.
520. Filling of cylinders should be carried out by organizations (individual entrepreneurs) that have filling stations (filling points), industrial premises(sites) which, in accordance with the design and requirements of these FNPs, are equipped for filling cylinders with a specific type of gases; provide for the possibility of acceptance and delivery and separate storage of empty and filled cylinders; equipped technical means and equipment providing filling, emptying (including draining of unevaporated residues, in the case of liquefied gases, release of gas from cylinders with faulty fittings), repair and painting of cylinders.
The release of gas from cylinders with faulty fittings and the repair of cylinders must be carried out by organizations (individual entrepreneurs) that meet the requirements of paragraph 486 of these FNP.
The organization that fills the cylinders must ensure the availability required quantity specialists certified in accordance with the certification regulations, and workers with qualifications corresponding to the nature of the work performed, as well as production instructions defining the procedure for acceptance, issue, storage, filling, emptying and repair of cylinders.
Filling stations that fill cylinders with compressed, liquefied and soluble gases are required to keep a cylinder filling log, which, in particular, must indicate:
A) date of filling;
B) cylinder number;
B) date of examination;
D) mass of gas (liquefied) in the cylinder, kg;
E) signature, surname and initials of the person who filled the cylinder.
If cylinders are filled with different gases, then a separate filling log should be kept for each gas.
The procedure for keeping records of filling (refueling) cylinders (fuel containers) of vehicles on gas stations is installed production instructions taking into account their specifics, defined by requirements project documentation and other regulatory legal documents establishing requirements for these objects, subject to the requirements of paragraph 523 of these FNP.
521. Filling cylinders with gases must be carried out according to instructions developed and approved by the filling organization ( individual entrepreneur) taking into account the properties of the gas determined by the design of the filling station, local conditions and filling technology, as well as the requirements of the operating manual (instructions) and other documentation of the cylinder manufacturer.
Before filling oxygen cylinders, the absence of flammable gases in them must be checked using a gas analyzer in the order established by the instructions. When filling cylinders with medical oxygen, they must be purged with the pressure of the medium being filled in the manner prescribed by the instructions.
Filling cylinders with liquefied gases must comply with the standards established by the cylinder manufacturer and (or) technical specifications for liquefied gases. In the absence of such information, filling rates are determined taking into account the permitted pressure of the cylinder in accordance with Appendix No. 6 to these FNP.
522. Cylinders filled with gas must be firmly secured and tightly connected to the filling ramp.
523. Filling with gas and using cylinders that have:
A) the period of the assigned survey has expired, the service life (number of refills) established by the manufacturer;
B) the period for checking the porous mass has expired;
B) the cylinder body is damaged;
D) valves are faulty;
E) there is no proper painting or lettering;
E) there is no excess gas pressure;
G) there are no established marks.
Filling of cylinders in which there is no excess gas pressure is carried out after their preliminary check in accordance with the instructions of the filling station.
524. Re-attachment of shoes and rings for caps, replacement of valves, cleaning, restoration of painting and inscriptions on cylinders must be carried out at cylinder inspection points.
After repairs involving its disassembly, the valve must be checked for tightness at operating pressure.
525. It is allowed to attach shoes to cylinders only after releasing the gas, unscrewing the valves and appropriate degassing of the cylinders.
Cleaning and painting gas-filled cylinders, as well as strengthening the rings on their necks, is prohibited.
526. Cylinders with gases (except for cylinders with poisonous gases) can be stored both in special rooms and in outdoors, in the latter case they must be protected from precipitation and sun rays.
Storage of oxygen and flammable gas cylinders in the same room is prohibited.
527. Cylinders with poisonous gases must be stored in special closed rooms.
528. Filled cylinders with shoes mounted on them, as well as cylinders that have a special design with a concave bottom, must be stored in a vertical position. To protect against falling, cylinders must be installed in specially equipped nests, cages or protected by a barrier.
529. Cylinders that do not have shoes can be stored horizontally on wooden frames or racks. When storing in open areas, it is allowed to stack cylinders with shoes in stacks with rope spacers, wooden beams, rubber or other non-metallic materials with shock-absorbing properties, between horizontal rows.
When stacking cylinders in stacks, the height of the latter should not exceed 1.5 meters, and the valves of the cylinders should face one direction.
530. Warehouses for storing cylinders filled with gases must comply with a design developed taking into account the requirements of these FNP and fire safety requirements. The warehouse building must be one-story with light-type coverings and not have attic spaces. Walls, partitions, and coverings of gas storage warehouses must be made of fireproof materials that comply with the design; Windows and doors must open outwards. Window and door glass must be matte or painted over with white paint. The height of storage areas for cylinders must be at least 3.25 meters from the floor to the lower protruding parts roofing covering. The floors of warehouses must be level with a non-slip surface, and warehouses for cylinders with flammable gases must have a surface made of materials that prevent sparking when any objects hit them.
531. The equipment of warehouses for cylinders with flammable gases that are dangerous in relation to explosions is determined by the project.
532. Instructions, rules and posters for handling cylinders located in the warehouse must be posted in warehouses.
533. Warehouses for cylinders filled with gas must have natural or artificial ventilation.
534. Warehouses for cylinders with explosive and flammable gases must be located in the lightning protection zone.
535. A warehouse for storing cylinders must be divided by fireproof walls into compartments, in each of which no more than 500 cylinders (40 liters) with flammable or poisonous gases and no more than 1000 cylinders (40 liters) with non-flammable and non-toxic gases are allowed.
Compartments for storing cylinders with non-flammable and non-toxic gases can be separated by fireproof partitions at least 2.5 meters high with open openings for the passage of people and openings for mechanical equipment. Each compartment must have its own exit to the outside.
536. Gaps between warehouses for cylinders filled with gases, between warehouses and adjacent industrial buildings, public premises, residential buildings determined by the project and must comply with urban planning standards.
537. The movement of cylinders at the sites of their use (places of work) must be carried out on specially adapted carts or with the help of other devices that ensure transportation safety.
538. Transportation of cylinders filled with gases within the boundaries of hazardous production facilities, production site enterprises and other sites for installation and repair work should be carried out on spring vehicles or on vehicles in a horizontal position, always with gaskets between the cylinders. Can be used as gaskets wooden blocks with cut-out sockets for cylinders, as well as rope or rubber rings with a thickness of at least 25 mm (two rings per cylinder) or other gaskets that protect the cylinders from hitting each other. All cylinders during transportation must be stacked with valves in one direction.
It is allowed to transport cylinders in special containers, as well as without containers in a vertical position, always with gaskets between them and protection from possible falls.
Transporting gas cylinders by road common use road (rail) transport does not relate to activities in the field of industrial safety and is carried out in accordance with the requirements of other regulatory legal acts and international agreements in force in the territory Russian Federation.
539. Transportation and storage of cylinders must be carried out with the caps screwed on, unless the design of the cylinder provides for other protection of the cylinder shut-off organ.
Storing filled cylinders before distributing them to consumers is permitted without safety caps.
540. During operation, filling, storage and transportation of cylinders made of metal-composite and composite materials, additional requirements established by the project developer and (or) cylinder manufacturer and specified in the operating manual (instructions) and other documentation of the manufacturer must be met.
– the room for storing cylinders must be one-story, have no attic spaces, and have a light-type roof; the height of the premises must be at least 3.25 meters; the room must be divided into compartments in which it is allowed to store no more than 500 40-liter cylinders with flammable gases and no more than 1000 cylinders with non-flammable gases; compartments must be separated by partitions at least 2.5 meters high with passages for people; each compartment must have a separate exit to the outside;
– the warehouse must have natural and artificial ventilation in accordance with sanitary standards and lightning protection;
– walls and partitions must be made of fireproof material of at least 2 degrees of fire resistance;
– windows and doors must open outwards; window and door glass should be frosted or painted White color;
– floors must be level, with a non-slip surface; for cylinders with flammable gases, the floor must be made of a material that prevents sparking;
– instructions, rules and posters for handling cylinders should be posted on the walls.
Operation of cylinders
When using cylinders, the contents in them must not be completely consumed. The residual gas pressure must be at least 0.05 MPa.
The release of eider from cylinders into containers with lower operating pressure should be done through a reducer designed for this gas and painted in the appropriate color.
The low pressure chamber of the reducer must have a pressure gauge and a spring safety valve adjusted to the appropriate permitted pressure in the container into which the gas is transferred.
If it is impossible to release gas from the cylinders at the point of consumption due to a malfunction of the valves, they must be returned to the filling station. Gas is released from such cylinders at the filling station in accordance with instructions approved in the prescribed manner.
Filling stations are required to keep a cylinder filling log, which indicates: date of filling, cylinder number, inspection date, mass of gas in the cylinder, signature of the person who filled the cylinder.
If cylinders are filled with different gases at one station, then a separate filling log should be kept for each.
Filling must be carried out according to instructions developed and approved by the organization in the prescribed manner. The filling must comply with the standards specified in the Rules.
Cylinders filled with gas must be firmly supported and tightly connected to the filling ramp.
It is prohibited to fill gas cylinders that:
– the period of the appointed examination has expired;
– the period for checking the porous mass has expired;
– the cylinder body is damaged;
– valves are faulty;
– there is no proper painting and inscriptions;
– there are no established stamps;
There is no excess gas pressure; filling of such cylinders is carried out after preliminary inspection in accordance with the instructions of the organization carrying out the filling.
Re-attachment of shoes and rings for caps, replacement of valves must be carried out at cylinder inspection points.
After repairs involving its disassembly, the valve must be checked for tightness at operating pressure.
It is allowed to attach shoes to cylinders only after releasing the gas, unscrewing the valves and appropriate degassing of the cylinders.
Cleaning and painting filled cylinders, as well as strengthening the rings on their necks, is prohibited.
Before use:
– install the cylinder vertically and secure it with a chain or clamp; the oxygen cylinder can be laid inclined - so that the valve is above the shoe;
– unscrew the cap and plug of the fitting; make sure that the oxygen cylinder (as well as on your hands and overalls) has no traces of oil or fat;
– briefly (1-2 s) turn the handwheel half a turn to blow through the fitting to remove dirt, moisture, etc. from it, standing behind or to the side of the fitting, without testing the gas with your hand;
– attach the union nut of the gearbox by hand;
– tighten the union nut of the gearbox with a wrench;
– when connecting an acetylene gearbox, ensure that the clamp is installed correctly;
– turn out the adjusting screw until the pressure spring is completely released;
– connect and securely fasten the hose;
– slowly turn the handwheel 0.5-1 revolution, open the supply of eider from the cylinder;
– rotate the adjusting screw to set the working pressure;
– check the tightness of the connections:
a) close the gas flow valve on the burner (cutter);
b) unscrew the adjusting screw until the pressure spring is completely released;
c) after a slight increase in pressure, the needle on the working pressure gauge should stop (the pressure should not increase);
– a break in work or its end:
a) during short breaks in operation, close only the burner valve without changing the position of the adjusting screw;
b) in case of any malfunction, immediately close the cylinder valve and release gas from the reducer;
c) stop gas sampling when the pressure drops to residual;
d) close the cylinder valve, screw on the plug and cap and return the empty cylinder to the warehouse.
A frozen valve or gearbox is only warmed up hot water or ferry, use open fire prohibited;
It is forbidden to open the valve suddenly; the gas stream electrifies the neck of the cylinder and the reducer, which can cause them to ignite and explode; immediately close the valve and release the gas from the reducer.
It is not allowed to have more than one propane-butane cylinder at the workplace.
It is prohibited to work with propane-butane in wells, intakes, and trenches.
At least once a quarter, check the safety valve by forced opening (increasing pressure until it operates).
Systematically check gas leaks with soap emulsion.
Cylinders are not allowed for use if:
Gearbox: when the adjusting screw is fully turned out, the gas passes into the working chamber; the thread of the union nut is damaged; one or both pressure gauges are faulty; the pressure in the working chamber increased after the gas supply was stopped; safety valve is faulty.
The pressure gauge is clear.
Valve: there is no fitting plug; presence of traces of oil, grease, dust; the flywheel does not turn; there is a gas leak.
Help with the storage of gas cylinders at the enterprise. Which one is allowed to be stored with which one in the same special cabinet. The enterprise has cylinders with oxygen, carbon dioxide, argon, nitrogen, acetylene, and propane.
Answer
To organize proper storage gas cylinders, you need to know the following.
Gas cylinders must be stored in a warehouse or in a specially designated place (subject to a number of conditions).
According to “during the storage and operation of gas cylinders” (approved by the First Deputy Minister of Labor and social development Russian Federation V.A.YANVAREV May 21, 2004):
EXTRACTS
3.3. Gas cylinders should be stored in one-story warehouses with light coatings, equipped with ventilation, without attics. Warehouse walls must be made of non-combustible materials; Windows and doors must open outwards. The height of the warehouse must be at least 3.25 m; lighting must be explosion-proof.
3.4. Floors in warehouse must be made from materials that prevent sparking when hitting them metal objects. Floors must be laid at least 0.1 m from ground level.
3.5. Acetylene, oxygen and oxygen cylinders liquefied gas must be stored separately. The cylinders are installed in a vertical position with caps and plugs screwed on the valve fittings.
3.6. Cylinders must be firmly secured with clamps or chains and protected from sunlight and exposure to heating devices and devices.
3.7. Gas cylinders installed indoors should be located at a distance of at least 1 m from the heating radiator and at least 5 m from a heat source with an open fire.
3.8. When installing a screen that protects cylinders from heating, the distance between the cylinder and heating device can be reduced to 0.5 m.
3.9. The distance between the cylinders and the safety screen must be at least 10 cm.
3.10. must be installed at a distance of at least 0.5 m from the doors and windows of the first floor and 3 m from the windows and doors of the basement and basement floors, as well as sewer wells and cesspools.
3.11. It is not allowed to place cylinders near emergency (fire) exits from premises, on the side of the main facades of buildings, or in passageways with heavy traffic.
3.12. It is prohibited to store flammable materials and carry out work involving the use of open fire (forging, welding, soldering, etc.) within a radius of closer than 25 m from the cylinder warehouse.
POT R O-14000-007-98 “Regulation. Labor protection during storage of materials” regulates the following:
“Warehouses for storing cylinders with compressed and liquefied gases can be open, semi-closed, closed and located no closer than 20 m from industrial, administrative and storage buildings, no closer than 50 m from residential buildings and no closer than 100 m from public buildings"(clause 3.132.).
Fire regulations in the Russian Federation (approved by Decree of the Government of the Russian Federation dated April 25, 2012 No. 390), for example, section XIV. Storage objects:
EXTRACTS
355. When storing gas:
a) windows of rooms where gas cylinders are stored are painted over with white paint or equipped with sun-protection, non-flammable devices;
b) when storing cylinders in open areas, structures protecting cylinders from precipitation and sunlight are made of non-combustible materials;
c) flammable gas cylinders must be stored separately from oxygen cylinders, compressed air, chlorine, fluorine and other oxidizing agents, as well as from cylinders;
d) placement of group cylinder installations is allowed near blank (without openings) external walls of buildings. Cabinets and booths where cylinders are placed are made of non-flammable materials and have natural ventilation, excluding the formation of explosive mixtures in them;
e) when storing and transporting oxygen cylinders, do not allow oils (fats) to come into contact and the cylinder fittings to come into contact with oily materials. When repositioning oxygen cylinders manually, it is not allowed to handle the valves;
f) gas analyzers must be installed in the premises to monitor the formation of explosive concentrations. In the absence of gas analyzers, the head of the organization must establish a procedure for collecting and monitoring samples of the gas-air environment;
g) if a gas leak is detected from the cylinders, they must be removed from the warehouse to a safe place;
h) persons wearing shoes lined with metal nails or horseshoes are not allowed into the warehouse where flammable gas cylinders are stored;
i) flammable gas cylinders with boots are stored in a vertical position in special nests, cages or other devices to prevent them from falling. Cylinders without shoes are stored horizontally on frames or racks. The height of the stack in this case should not exceed 1.5 meters, and the valves should be closed with safety caps and facing one direction;
j) storage of any other substances, materials and equipment in warehouses containing flammable gas is not permitted;
k) warehouse premises are provided with natural ventilation.
Resolution of the Gosstroy of Russia dated July 23, 2001 No. 80 “On the adoption building codes and the rules of the Russian Federation "Occupational safety in construction. Part 1. General requirements. SNiP 12-03-2001", clause 9.4. Safety requirements for storage and use of gas cylinders:
EXTRACTS
9.4.3 Cylinders with flammable gas with shoes must be stored in a vertical position in special nests, cages and other devices to prevent them from falling.
Cylinders without shoes must be stored horizontally on frames or racks. The height of the stack in this case should not exceed 1.5 m, and the valves should be closed with safety caps and facing one direction.
9.4.4 Empty cylinders should be stored separately from cylinders filled with gas.
9.4.5 Gas cylinders are permitted to be transported, stored, issued and received only by persons who have been trained in their handling and have the appropriate certificate.
9.4.8 When operating, storing and moving oxygen cylinders, measures must be taken to protect the cylinders from contact with materials, workers’ clothing and cleaning materials containing traces of oils.
9.4.9 Gas cylinders must be protected from shock and direct sunlight. Cylinders must be installed at a distance of at least 1 m from heating appliances.
9.4.10 During breaks in work, at the end of the work shift, the welding equipment must be turned off. The hoses must be disconnected and blowtorches the pressure is completely relieved.
9.4.11 Upon completion of work, gas cylinders must be placed in a place specially designated for storage of cylinders, preventing access to them by unauthorized persons.
In addition to the above regulatory documents you should also comply with the requirements of the Federal norms and rules in the field of industrial safety "Industrial safety rules for hazardous production facilities that use equipment operating under overpressure", Section XII "Additional industrial safety requirements for the inspection and operation of cylinders."
According to these requirements, an enterprise using gas cylinders must, among other things, have:
1) operating instructions for all types of cylinders have been developed and approved by the head of the organization, regulating the procedure for their filling, storage, transportation and use;
2) plan (project) for the placement of equipment taking into account the requirements of the FNP and the requirements of fire safety standards for:
placement (installation) of gas cylinders at places of consumption (use) as an individual cylinder installation (no more than two cylinders (one working, the other reserve) of each type of gas used in the technological process), placement of a group cylinder installation, storage areas for technological stock of cylinders ;3) design of a warehouse for storing cylinders (developed taking into account the requirements of the FNP and fire safety standards) filled with gases - if the cylinders are stored in a warehouse.
Chapter 16 Federal Law dated July 22, 2008 No. 123-FZ " Technical regulations on fire safety requirements" regulates the requirements for fire safety distances between buildings, structures and structures.
In accordance with these requirements and the general plan of your enterprise, you should locate a warehouse (room, booth) for storing gas cylinders.
7.2. SAFETY REQUIREMENTS FOR STORAGE AND TRANSPORTATION OF CYLINDERS
In production conditions, compressed gas cylinders are stored with wrapped safety caps in special warehouses or under a canopy in a vertical position, in the nests of special racks. Due to the fact that compressed gas cylinders pose a great danger, no more than 50 cylinders are allowed to be stored together. The distance from the cylinder warehouse to buildings under construction and existing buildings must be at least 20 m.
Storing oxygen cylinders together with cylinders containing acetylene, propane, hydrogen and other flammable gases, as well as calcium carbide, paints and oils is strictly prohibited.
In the warehouse, the rules for the operation, storage and transportation of cylinders must be posted in a visible place. Storekeepers, loaders and other workers servicing cylinders must be trained in safety rules and instructed.
Warehouses for storing cylinders filled with gases must be one-story, with light-type coverings and without attics.
Walls, partitions and coverings are made of fireproof materials of at least II degree of fire resistance; Windows and doors open outwards. The height of storage areas (from the floor to the lower protruding parts of the roofing) must be at least 3.25 m.
The floors of warehouses must be level, with a non-slip surface, and the floors of warehouses for cylinders with flammable gases must have a surface made of materials that prevent sparking when any objects hit them.
Lighting in warehouses for flammable gas cylinders must comply with the standards for hazardous areas.
The warehouse is divided by fireproof walls into compartments, in each of which it is allowed to store no more than 500 cylinders with flammable or poisonous gases and no more than 1000 cylinders with non-flammable and non-toxic gases (cylinder capacity 40 liters).
Compartments for storing cylinders with non-flammable and non-toxic gases can be separated by fireproof partitions at least 2.5 m high with open openings for the passage of people and mechanical equipment. Each compartment is equipped with an independent exit to the outside.
Cylinders are moved to gas filling and consumption points on special carts or using other devices. Cylinders filled with gas should be transported on spring vehicles or trucks in a horizontal position, with gaskets between the cylinders. Wooden blocks with cut-out sockets for cylinders, rope or rubber rings with a thickness of at least 25 mm (two rings per cylinder), etc. can be used as gaskets. All cylinders during transportation must be laid with valves in one direction.
Cylinders are transported both in special containers and without containers, in a vertical position, using gaskets and guards.
When loading, unloading, transporting and storing cylinders, measures must be taken to prevent falling, damage and contamination of cylinders.
Standard cylinders with a capacity of more than 12 liters should be transported and stored with the caps screwed on. Filled cylinders can be stored at the filling plant until they are released to consumers without safety caps. When transporting and storing cylinders with poisonous and flammable gases, plugs are placed on the side fittings of the cylinder valves. Cylinders filled with gases must be protected from sunlight during transportation.
Occupational safety during storage and operation of gas cylinders.
Safety card for working with gas cylinders. 30 “golden” rules of operation.
Persons at least 18 years of age who have completed:
- training on labor protection, safe methods and techniques for performing work,
- introductory and initial at the workplace,
- on-the-job training and knowledge testing,
- safe methods and methods of performing work,
- preliminary and periodic medical examinations.
Before starting work, the employee must:
- check and make sure it is working properly measuring instruments on cylinders for gases, equipment, fixtures and tools, fences, ventilation;
- check the stability of the cylinders and the correctness of their fastening in the cells;
- make sure there are no flammable materials in the workplace.
An employee should not start work in case of the following violations of labor protection requirements:
- violation of the integrity of the gas cylinder (presence of cracks or dents), as well as the absence of a stamp on the gas cylinder with the date of its test;
- malfunctions gas reducer(leakage of the union nut of the gearbox, damage to the gearbox housing, etc.);
- (absence of a mark about the annual test or untimely conduct of the next tests, broken
- glass or housing, pointer immobility when gas is supplied to the gearbox, damage to the housing);
- insufficient lighting of the workplace and approaches to it;
- absence exhaust ventilation when working in enclosed spaces;
- presence of explosive and fire hazardous materials in the work area;
- malfunctions of tools, equipment, devices.
- Storage rules (requirements for warehouses/cabinets): Gas cylinders should be stored in one-story warehouses with light coatings, equipped with ventilation, without attics. Warehouse walls must be made of non-combustible materials; Windows and doors must open outwards. The height of the warehouse must be at least 3.25 m; lighting must be explosion-proof.
- Floors in warehouses must be made of materials that prevent sparking when metal objects hit them. Floors must be laid at least 0.1 m from ground level.
- Acetylene, oxygen and liquefied gas cylinders must be stored separately. The cylinders are installed in a vertical position with caps and plugs screwed on the valve fittings.
- Cylinders must be firmly secured with clamps or chains and protected from sunlight and exposure to heating devices and devices.
- Gas cylinders installed indoors should be located at a distance of at least 1 m from the heating radiator and at least 5 m from a heat source with an open fire.
- When installing a screen that protects the cylinders from heating, the distance between the cylinder and the heating device can be reduced to 0.5 m. The distance between the cylinders and the safety screen must be at least 10 cm.
- When working in an open area on a sunny day, cover the cylinders with a piece of tarpaulin.
- Cylinders near the walls of buildings must be installed at a distance of at least 0.5 m from the doors and windows of the first floor and 3 m from the windows and doors of the basement and basement floors, as well as sewer wells and cesspools.
- It is not allowed to place gas cylinders near emergency (fire) exits from premises, on the side of the main facades of buildings, or in passageways with heavy traffic.
- It is prohibited to store flammable materials and carry out work involving the use of open fire (forging, welding, soldering, etc.) within a radius of closer than 25 m from the cylinder warehouse.
- It is prohibited to operate gas cylinders whose inspection period has expired, or if they have external damage (cracks, body corrosion, noticeable changes in shape, etc.), faulty valves, or adapters.
- Rejected cylinders must be marked “Reject”; The threads of such cylinders must be marked with notches to prevent further use.
- It is prohibited to heat cylinders to increase pressure.
- Transportation: Transportation of gas-filled cylinders must be carried out on spring transport or trucks in a horizontal position with the obligatory installation of gaskets (wooden blocks, rubber or rope rings, etc.) between the cylinders.
- How many oxygen cylinders can be transported: Combined transportation of oxygen cylinders and cylinders with flammable gases, both filled and empty, on all types of transport (and in passenger car) is prohibited, except for the delivery of 2 cylinders on a special hand trolley to the workplace.
- Transportation without permission: Cylinders must be transported on specially designed carts, containers and other devices that ensure the stable position of the cylinders. Carrying cylinders on arms or shoulders is not allowed.
- Cylinders can be transported indoors by tilting them in a slightly inclined position.
- It is necessary to securely strengthen the cylinders and install them in such a way that there is no possibility of impacts or objects falling on them from above, or contact with the oxygen cylinder, reducer and hoses of fats and oils.
- It is prohibited to remove the cylinder cap using a hammer, chisel or other tool that may cause a spark. If the cap cannot be removed, the cylinder should be replaced.
- When using cylinders, it is prohibited to remove the gas completely contained in them. The residual gas pressure in the cylinder must be at least 0.05 MPa (0.5 kgf/sq. cm).
- When conducting welding work at the construction site, the oxygen reducer must be connected to the cylinder using a special key; tightening the union nut of the gearbox when open valve cylinder is prohibited.
- During work, there should be no more than two cylinders at the welding station at the same time - with oxygen and flammable gas.
- If the pressure in the cylinders is higher than permissible, it is necessary to briefly open the valve to release part of the gas into the atmosphere or cool the cylinder cold water in order to lower pressure. When releasing gas from a cylinder or purging a valve or burner, the worker must be on the side opposite to the direction of gas release.
- The release of gases from cylinders into containers with lower operating pressure should be done through a reducer designed for this gas.
- When performing work in winter time If the valve on the cylinder freezes, it should be warmed only with hot water.
Work must be stopped:
× if the pressure in the vessel has risen above the permissible level;
× when a malfunction is detected safety valves;
× if the pressure gauge is faulty;
× in the event of a fire that directly threatens a pressure vessel.
Upon completion of work you must:
× tidy up workplace. Make sure that after work there are no smoldering objects left (rags, insulating material etc.), and if there is smoldering, fill them with water;
× remove gas cylinders, hoses and other equipment to their designated places. In this case, you must make sure that the valves on the cylinders are closed and the gas is released from the hoses.
× Report any malfunctions noticed during work to your immediate supervisor.
Distance between propane and oxygen cylinders:
At the work site, acetylene and propane cylinders must be positioned vertically and firmly secured.
The distance between the oxygen cylinder and the flammable gas cylinder must be at least 5 m, except in cases where the oxygen cylinder and the flammable gas cylinder are located on the same specially designed trolley, and the cylinders must be secured so as to prevent them from hitting each other friend or fall.
Cylinders with liquefied gas and oxygen must be installed at a distance of at least 10 m from the place of hot work, sources of open fire and highly heated objects.
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