Instruction on labor protection for the driver of a concrete pumping mobile unit

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OCCUPATIONAL SAFETY AND HEALTH
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Instructions on labor protection for the driver of a mobile concrete pumping unit. Full document

Occupational Safety and Health

Occupational Safety and Health / Standard instructions for labor protection

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Introduction

This industry standard instruction has been developed taking into account the requirements of legislative and other regulatory legal acts containing state labor protection requirements specified in the "General safety requirements" section of this document, as well as regulatory documents of the Gosgortekhnadzor of Russia, intersectoral labor protection rules (safety rules) during operation electrical installations, and is intended for the driver of a concrete pumping plant when performing work on its management and maintenance in accordance with the profession and qualifications (hereinafter referred to as the driver).

General safety requirements

1. Men at least 18 years of age who have undergone appropriate training, have a certificate for the right to drive a car and professional skills as a driver, before being allowed to work independently, must pass:

mandatory preliminary (when applying for a job) and periodic (during employment) medical examinations (examinations) for recognition as fit for work in the manner established by the Ministry of Health of Russia;
training in safe methods and techniques for performing work, briefing on labor protection, internships at the workplace and testing knowledge of labor protection requirements.

2. Drivers are obliged to comply with labor safety requirements to ensure protection from the impact of hazardous and harmful production factors related to the nature of work:

moving machines, mechanisms and their moving parts;
collapsing structures;
increased noise and vibration in the workplace;
emotional overload.

3. To protect against mechanical impacts and pollution, drivers are required to use cotton overalls provided by employers free of charge, combined mittens, suits with insulating padding and felt boots for the winter period.

Drivers must wear safety helmets when on site.

4. Being on the territory of the construction (production) site, in production and amenity premises, work sites and workplaces, drivers are required to comply with the internal labor regulations adopted in this organization.

Admission of unauthorized persons, as well as employees in a state of intoxication to these places is prohibited.

5. In the course of daily activities, drivers must:

use machines and mechanisms for their intended purpose in the process of operation, in accordance with the instructions of manufacturers;
maintain order at workplaces, clean them of debris, snow, ice, prevent violations of the rules for storing materials and structures;
be careful during work and avoid violations of labor safety requirements.

6. Drivers are obliged to immediately notify their immediate or superior manager about any situation that threatens the life and health of people, about every accident that occurs at work, or about a deterioration in their health, including the appearance of an acute occupational disease (poisoning).

Safety requirements before starting work

7. Before starting work, the driver must:

a) present to the work manager a certificate of checking the knowledge of safe work methods, receive an assignment and be instructed at the workplace on the specifics of the work performed;

b) put on overalls, special footwear and a helmet of the established sample.

8. After receiving the task from the work manager, the driver must:

a) inspect the workplace and approaches to it for compliance with safety requirements and remove unnecessary items. Check the equipment of the workplace with a protective visor and alarm;

b) make sure that the protective covers and shields protecting the moving parts of the concrete pumping unit are present and in good condition, visually check the serviceability of pressure gauges, safety valves and protective grounding;

c) check the place of acceptance of concrete, the serviceability of the mechanisms and metal structures of the concrete pipeline and other components of the concrete pump. The interlocks of the concrete pipeline should be cleaned, tightly closed and fixed before the concrete mixture is supplied. Concrete pipes must not have cracks, breaks or dents. Appropriate bridges must be installed over pipelines laid in places where people or vehicles pass.

9. Performance of work is not allowed in case of the following violations of safety requirements:

a) the presence of malfunctions specified in the manufacturer's instructions for the operation of the concrete pump, in which its operation is not allowed;

b) untimely conduct of regular tests (technical inspection) of the concrete pump;

c) insufficient illumination and clutter of the workplace and approaches to it;

d) lack or malfunction of communication with concrete workers.

Detected violations of safety requirements must be eliminated on their own, and if it is impossible to do this, the driver is obliged to report them to the work manager and the person responsible for maintaining the concrete pumping unit in good condition.

Safety requirements during work

13. During the operation of the concrete pumping unit, the driver must:

a) take the concrete into the hopper or the hopper of the concrete pump from the outlet chute of the mixer truck or the concrete bucket;

b) monitor the serviceability of all mechanisms of the installation;

c) monitor the pressure in the concrete pump system and keep in touch with the concrete workers;

d) prevent pressure in the concrete pump system, the value of which exceeds the passport data;

e) stop the acceptance of the concrete mixture into the receiving hopper in case of a plug in the concrete pipeline until the plug is removed.

14. Inspection and maintenance of the concrete pump during its operation is allowed to be carried out only with the drives of its mechanisms turned off and the pressure reduced to atmospheric in the concrete pipeline system.

Disconnection of the concrete pipeline from the concrete pump or disconnection of individual links of the concrete pipeline is allowed only after it is released from the concrete mixture by reversing the concrete pump engine.

15. Cleaning, maintenance or repair of the mixer, sliding gate or concrete transport cylinders should be carried out after the mixer drive and concrete pump have been switched off. The pistons of the concrete transport cylinders and the swivel gate tube must be installed in their extreme positions.

16. During the acceptance of concrete, the driver must:

a) supervise the approach of a dump truck or a concrete mixer truck to a loading hopper or a receiving funnel;

b) after accepting the concrete, clean the dump truck body with a long-handled shovel;

c) clean the grate of the loading hopper from concrete and hang out the stencil "Do not unload concrete!".

17. Concrete should be loaded after the driver gives a warning signal and receives a return signal from the concrete worker.

18. In the event of a blockage in the concrete pipeline during the supply of the concrete mixture, it is necessary to pump the mixture from the pipeline into the receiving hopper by reversing the concrete pump engine. If this method is ineffective, the plug should be removed with compressed air.

19. Removing a plug in a concrete pipeline with compressed air is allowed provided:

a) the presence of a protective shield at the outlet of the concrete conduit;

b) finding workers at a distance of at least 10 m from the outlet of the concrete conduit;

c) air supply to the concrete pipeline evenly and non-intensively;

d) prevention of pressure in the pneumatic system of the concrete pipeline, the value of which exceeds the passport data.

20. If it is impossible to remove the plug, the driver should free the concrete conduit from the concrete mixture, by tapping find the location of the plug in the concrete conduit, disconnect the clogged link and replace it.

21. The concrete pump and the concrete pipeline should be flushed after the system is freed from the concrete mixture, filled with water from the water supply or tank and drained by reversing the concrete pump engine.

22. When relocating and installing a concrete pump to a new location, the driver must:

a) together with the work manager, make sure that there are no hazardous production factors at the installation site of the machine (buildings under construction, working machines and mechanisms, slopes of pits and trenches);

b) install the machine on a flat horizontal platform and secure it by placing it on outriggers and placing wheel chocks if the machine is on wheels, and level it with wedges if the machine is on skids;

c) install switching equipment (switch). The concrete pump must be connected to the mains by an electrician on duty. It is forbidden for the driver to independently connect the concrete pump to the mains and to the ground network;

d) drive in the rods of the inventory grounding device.

Drivers are not allowed to independently connect to the network and turn off the concrete pump, connect the protective earth and the communication or alarm system.

Safety requirements in emergency situations

23. If a concrete pump malfunction is detected during its operation, inspection or testing, work should be suspended until the malfunctions are eliminated.

After troubleshooting, a record should be made in the machine log about the faults and the completeness of their elimination.

24. When electrical voltage appears on the concrete pump body, turn off the main switch, hang a sign on it "Do not turn it on - people are working!" and immediately call the electrician on duty to eliminate the malfunction.

Safety requirements at the end of work

25. At the end of the work, the driver must:

a) turn off the power supply, reduce the pressure in the concrete pipeline to atmospheric pressure and turn off the water supply;

b) disconnect the head sections of the concrete pipeline, rinse the receiving and intermediate hoppers from the rubber hose;

c) clean (flush) the concrete conduit from the remnants of the concrete mixture;

d) inform the work manager and the person responsible for maintaining the installation in good condition about all the problems that have arisen during work.

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