EN_NR-34_COND._E_M._A._IND.__.pdf

Transcript

2. This Regulatory Standard - NR establishes the minimum requirements and measures for protecting safety, health and the work environment in the activities of the shipbuilding, repair and dismantling industry. 1. Activities of the shipbuilding and repair industry are considered to be all those carried out within the facilities used for this purpose or on the vessels and structures themselves, such as ships, boats, launches, fixed or floating platforms, among others. 2. Objective and Field of Application
3. It is the employer's responsibility to ensure the effective implementation of the protective measures established in this Standard, and must: 1. formally designate a person responsible for implementing this Standard; a. ensure that the protective measures defined in this Standard are adopted before any work begins; b. ensure that work is immediately interrupted when there are changes in environmental conditions that make them potentially dangerous to the physical and mental integrity of workers; c. arrange for the Preliminary Risk Analysis - APR to be carried out and, when applicable, the issuance of the Work Permit - PT; d. Responsibilities
4. carry out, before the start of operational activities, a Daily Safety Dialogue - DDS, covering the activities that will be developed, the work process, the risks and the protection measures, recording the topic discussed in a document, initialed by the participants and filed, together with the attendance list; a. provide workers with up-to-date information about the risks of the activity and the control measures that are and should be adopted; b. adopt the necessary measures to monitor compliance with the protection measures established in this Standard by the contracted companies. c. 2. The employer must provide conditions so that workers can collaborate with the implementation of the measures provided for in this Standard, as well as immediately stop work, informing their hierarchical superior, as provided for in paragraph “c”. Responsibilities
5. A qualified worker is considered to be someone who proves completion of a course specific to their activity at an institution recognized by the official education system. 1. A worker who has been previously qualified and registered with the relevant professional council is considered a legally qualified professional. 2. A qualified worker is considered to be one who receives training under the guidance and responsibility of a legally qualified professional. 3. Training and Qualification
6. The induction training must have a minimum workload of six hours, consisting of information on: 1. the risks inherent to the activity; a. working conditions and environment; b. the Collective Protection Equipment - EPC existing in the establishment; c. the proper use of Personal Protective Equipment – ​ ​ PPE. d. Periodic training must have a minimum workload of four hours and be carried out annually or upon returning from absence from work for a period exceeding ninety days. 2. Training must be carried out during normal working hours. 3. The worker must receive the teaching material used in the training 4. Training and Qualification
7. All documentation provided for in this Standard must remain in the establishment and be available to the Labor Inspectorate, representatives of the Internal Accident Prevention Committee - CIPA and representatives of the Trade Union Entities representing the category, and must be archived for a minimum period of five years. 1. The Work Permit - PT consists of a written document that contains the set of control measures necessary for the work to be carried out safely, in addition to emergency and rescue measures, and must: 2. be issued in three copies, for: posting at the workplace, delivery to the immediate supervisor of the workers who will carry out the work, and filing in a way that can be easily located; a. contain the minimum requirements to be met for the execution of the work and, when applicable, the provisions established in the APR; b. Training and Qualification
8. be signed by the members of the work team, immediate supervisor and occupational health and safety professional or, in the absence of such, by the person responsible for compliance with this Standard; a. have validity limited to the duration of the activity, restricted to the work shift, and may be revalidated by the person responsible for approval in situations where there are no changes in the established conditions or in the work team; b. 3. The Preliminary Risk Analysis - APR consists of the initial assessment of potential risks, their causes, consequences and control measures, carried out by a multidisciplinary technical team and coordinated by an occupational health and safety professional or, in the absence of such a professional, the person responsible for compliance with this Standard, and must be signed by all participants. Training and Qualification
9. Hot Work For the purposes of this Standard, hot work is considered to be welding, gouging, grinding, cutting or other activities that may generate sources of ignition such as heat, sparks or flames. 1. The protective measures include general and specific measures, applicable, respectively, to all activities inherent to hot work and work in areas not previously designated for this purpose. 2.
10. In places where hot work is carried out, a preliminary inspection must be carried out to ensure that: 1. the workplace and adjacent areas are clean, dry and free from combustible, flammable, toxic and contaminating agents; a. the area should only be released after verifying the absence of activities incompatible with hot work; b. hot work is carried out by a qualified worker, as per item 4 of Annex I. c. Hot Work - General Measures
11. Hot Work - General Measures Employers are responsible for taking the following fire protection measures in places where hot work is carried out: 1. arrange for the elimination or keep under control possible fire risks; a. install adequate physical protection against fire, splashes, heat, sparks or sludge, in order to avoid contact with combustible or flammable materials, as well as interfering with parallel activities or the movement of people; b. keep a fire-fighting system clear and close to the work area, specified according to the type and quantity of flammable and/or combustible materials present; c. inspect the site and adjacent areas after work is completed to prevent fires. d.
12. To control fumes and contaminants resulting from hot work, the following measures must be implemented: 1. properly clean the surface and remove any cleaning products used before carrying out any operation; a. provide air renewal in order to eliminate gases, vapors and fumes used and/or generated during hot work. b. Whenever there is a change in the established environmental conditions, activities must be interrupted, evaluating the environmental conditions and adopting the necessary measures to adapt air renewal. When the composition of the part coating or the gases released in the welding/heating process is not known, self-contained respiratory protection equipment or respiratory protection supplied by a compressed air line must be used, in accordance with the provisions of the Respiratory Protection Program - PPR. Hot Work - General Measures
13. In hot work using gases, the following measures must be adopted: 1. use only gases suitable for the application, in accordance with the manufacturer's information; a. follow the instructions indicated in the Chemical Product Safety Information Sheet – MSDS; b. use calibrated pressure regulators in accordance with the gas used. c. The installation of adapters between the cylinder and the pressure regulator is prohibited. 1. In the case of oxyacetylene equipment, a flame arrestor device must be used on the hose and torch feeds. 1. Hot Work - General Measures
14. In hot work using gases, the following measures must be adopted: 1. inspection before starting work, to ensure that there are no leaks and that the equipment is in perfect working order; a. maintenance with the frequency established in the company's procedure, in accordance with the manufacturer/supplier's technical specifications. b. Hoses may only be joined using a connector, in accordance with the supplier/manufacturer's technical specifications. 5.Gas cylinders must be: kept in a vertical position, fixed and away from flames, sources of sparks, heat or flammable products; a. installed in such a way that they do not become part of an electrical circuit, even accidentally; b. transported in a vertical position, with the helmet screwed on, using appropriate equipment, properly secured, avoiding collisions; c. when inoperative and/or empty, kept with the valves closed and stored with the valve protector (threaded cap). d. Hot Work - General Measures
15. 4.6 The installation of gas cylinders in confined spaces is prohibited. Whenever service is interrupted, the valves on cylinders, torches and gas distributors must be closed. 1. At the end of the service, the supply hoses must be disconnected. 1. Inoperative equipment and gas hoses must be kept out of confined spaces. 1.
16. 5. Electrical equipment and its accessories must be grounded to a safe grounding point and installed in accordance with the manufacturer's instructions: 1. Electrical cables of a gauge suitable for the intended applications must be used, and with insulation in perfect condition. In the case of oxyacetylene equipment, a flame arrestor device must be used on the hose and torch feeds. 1. 3. It must be ensured that electrical connections are tight, clean and dry.
17. Hot Work - Specific Measures APR techniques should be employed to: 1. determine control measures; a. define the coverage radius; b. signal and isolate the area; c. assess the need for special fire surveillance (observer) and an alarm system; d. other measures, whenever necessary. e. Before hot work begins, the site must be inspected and the inspection result recorded in the Work Permit. 2. Openings and gutters must be closed or protected to prevent sparks from being thrown, combustion or interference with other activities. 3.
18. When defined in the APR, the observer must remain on site, in permanent contact with the work fronts, until the service is completed: 1. The observer must receive training provided by a worker qualified in fire prevention and fighting, with program content and minimum workload in accordance with item 1 of Annex I of this Standard. 2. Hot Work - Specific Measures
19. Methodology 1. When carrying out work at height, the following measures must be taken: isolation and signaling of the entire area under service before the start of activities; a. adoption of measures to prevent tools and materials from falling, including in the event of work being stopped; b. de-energization, blocking and labeling of all overhead electrical installations in the vicinity of the service; c. installation of protection or barriers that prevent accidental contact with overhead electrical installations, in accordance with the local concessionaire's procedure, if it is technically unfeasible to de-energize them; d. immediate interruption of work at height in the event of insufficient lighting or adverse weather conditions, such as rain and winds exceeding forty kilometers per hour, among others. e.
20. Work at height may be authorized in conditions with winds exceeding forty kilometers per hour and less than fifty-five kilometers per hour, provided that the following requirements are met: 1. the impossibility of postponing the services is justified by means of a document attached to the APR, signed by an occupational safety professional and the person responsible for carrying out the services, setting out the applicable additional protection measures; a. carried out through an operation assisted by an occupational safety professional and the person responsible for carrying out the activities. b.
21. Stairs, ramps and walkways. Crossing floors with a difference in level greater than thirty centimeters must be done using stairs or ramps. 1. Staircases for collective use, ramps and walkways for the circulation of people and materials must have solid construction, handrails and skirting boards. 2. For the construction of stairs, ramps and walkways, dry, good quality wood must be used, free from knots and cracks that could compromise its resistance. The use of paint to cover imperfections is prohibited. 3.
22. In hot work, the use of wooden ladders is prohibited. 1. Temporary stairs for collective use must be sized according to the flow of workers, with a minimum width of eighty centimeters, and an intermediate landing at least every two meters and ninety centimeters in height, with a width and length at least equal to the width of the stairs. 2. Ladders must be restricted to temporary access and small-scale services, and: 3. be sized with up to seven meters in length and uniform spacing between the steps, varying between twenty-five and thirty centimeters; d. be installed in such a way that it extends one meter beyond the upper floor; e. be fixed to the lower and upper floors or have a device that prevents them from slipping f. have non-slip steps; g. be supported on a sturdy floor h. Steps
23. The use of single-stall ladders near unprotected electrical networks and equipment is prohibited. 1. It is forbidden to place ladders near doors or circulation areas, openings and gaps and in places where there is a risk of objects or materials falling. 2. Opening ladders must be rigid, stable and have devices that keep them constantly open and have a maximum length of six meters when closed. 3. Extension ladders must have a travel limiter device, placed in the fourth span from the turnstile or, if there is no travel limiter, they must allow an overlap of at least one meter when extended. 4. Steps
24. Ramps and walkways Temporary ramps and walkways must be built and maintained in perfect conditions of use and safety. 1. Temporary ramps must be fixed to the lower and upper floors, not exceeding a thirty-degree inclination in relation to the floor. 2. On temporary ramps with an inclination greater than eighteen degrees, cross pieces must be fixed, spaced at most forty centimeters apart, to support the feet. 3. There must be no bumps between the walkway floor and the ground floor. 4. The supports at the ends of the walkways must be dimensioned according to their total length and the loads to which they will be subjected. 5.
25. Fixed Platforms Platforms must be designed, approved, installed and maintained to withstand the maximum permitted loads. 1. The design of platforms and their support and fixing structure must be carried out by a legally qualified professional. 2. The platform design calculation memory must be kept at the establishment. 3. The use of any means to reach higher places above the working floor of platforms is prohibited. 4. A sign indicating the maximum permitted load must be affixed to the platforms in a visible and indelible manner. 5.
26. Lifting Platforms Work platforms with a rack and pinion vertical movement system and hydraulic platforms must comply with the manufacturer's technical specifications regarding assembly, operation, maintenance, disassembly and periodic inspection under the technical responsibility of a legally qualified professional. 1. . In the case of imported equipment, the projects, technical specifications and assembly, operation, maintenance, inspection and disassembly manuals must be reviewed and endorsed by a professional legally qualified in the country, in compliance with the technical standards of the Brazilian Association of Technical Standards (ABNT) or international entities endorsed by it, or another entity accredited by the National Council of Metrology, Standardization and Industrial Quality. 2.
27. Lifting Platforms The manufacturer's guidance manuals, in Portuguese, must be available at the establishment. 1. The installation, maintenance and periodic inspection of work platforms must be carried out by a qualified worker, under the supervision and technical responsibility of a legally qualified professional. 2. Lifting platform equipment must only be operated by qualified workers. 3. All workers using platforms must receive guidance on the correct loading and positioning of materials. 4. The person responsible for daily checking of the equipment's conditions of use must receive a procedures manual for the daily checking routine. 5.
28. 8. The minimum load capacity on the working floor must be one hundred and fifty kilograms of force per square meter. 9. Telescopic extensions, when used, must offer the same resistance as the platform floor. 10. Improvisation in the assembly of cantilevered sections and the interconnection of platforms are prohibited. 11. It is the responsibility of the manufacturer or lessor to indicate the forces exerted on the structure and supports of the platforms, as well as the points that can withstand these forces. 12. The area under the work platforms must be properly signposted and delimited, and the movement of workers within that space is prohibited. Lifting Platforms
29. Lifting platforms must have: 1. sound signaling system activated automatically during ascent and descent; a. emergency stop button on the control panel; b. safety devices that guarantee perfect leveling at the work point, which cannot exceed the maximum inclination indicated by the manufacturer. c. There must be no interference along the vertical path of the platforms that obstruct their free movement. 2. In the event of an electrical failure, the equipment must be equipped with emergency mechanical devices that keep the platform stationary, allowing the operator to manually release it and safely lower it to its base. 3. The last upper element of the tower must be blind, not containing rack gears, in order to ensure that the rollers remain in contact with the guides. 4. Lifting Platforms
30. The fastening elements used to lock the platforms must be properly dimensioned to withstand the forces indicated in the design. 1. The spacing between anchorages or junctions must comply with the manufacturer's specifications and be indicated in the project. 2. Anchoring the tower is mandatory when its height is greater than nine meters. 3. The use of lifting platforms without anchoring or connecting must strictly follow the conditions of each model indicated by the manufacturer. 4. In the case of using lifting platforms with a mobile chassis, this must be properly leveled, fixed and/or locked at the beginning of the assembly of the vertical towers supporting the platforms, remaining that way during their use and disassembly. 5. Lifting Platforms
31. Guardrails, including telescopic extensions, must comply with the provisions of item 34.11.16 and observe the manufacturer's specifications. The use of ropes, cables, chains or any other flexible material is not permitted. 1. Equipment, when out of service, must be at base level, switched off and protected against unauthorized activation. 2. Work platforms must have access points equipped with electronic devices that prevent their movement when open. 3. The use of elevating work platforms to transport people and materials not linked to the services being performed is prohibited. 4. Lifting Platforms
32. Rope Access When carrying out activities involving rope access, industrial climbing technical procedures must be used, as established in national technical standards or, in their absence, in international standards. 1. The company responsible for the service and the team of workers must be certified in accordance with national technical standards or, in their absence, with international standards. 2. The work team must be trained in rescue at height and be made up of at least three people, including a supervisor. 3. For each workplace there must be a self-rescue and rescue plan for professionals. 4.
33. During the execution of the activity, the worker must be connected to at least two anchoring points. 1. Equipment and ropes that are certified in accordance with national standards or, in the absence thereof, international standards must be used. 2. Equipment used for rope access must be stored and maintained as recommended by the manufacturer/supplier. 3. Manufacturer/supplier information must be maintained in a manner that allows traceability. 4. Rope Access
34. Rope access work must be stopped immediately in the event of insufficient lighting and adverse weather conditions, such as rain and winds exceeding forty kilometers per hour, among others. 1. Work at height using rope access may be authorized in conditions with winds exceeding forty kilometers per hour and less than forty-six kilometers per hour, provided that the following requirements are met: 2. the impossibility of postponing the services is justified by means of a document attached to the APR, signed by an occupational health and safety professional and the person responsible for carrying out the services, setting out the applicable additional protection measures; a. carried out through an operation assisted by an occupational health and safety professional and the person responsible for carrying out the activities. b. The work team must carry a radio communicator or similar telephone equipment. 3. Rope Access
35. Platforms for working at heights of less than 2.00m 1. For work carried out at a height of less than 2.00 (two meters), platforms may be used, which must: have a load capacity indicated indelibly; a. have a means of access incorporated into it; b. have a guardrail with a minimum height of 1.00m (one meter) with spans of less than 50 cm; c. have a 20 cm high skirting board, in the case of platforms with floors above 1.00 m (one meter) d. 2. The use of wooden structures is prohibited. 3. In the case of platforms on castors, these must additionally. be equipped with locks; a. be supported only on flat horizontal surfaces. b.
36. Working with Exposure to Ionizing Radiation Safety measures must be adopted for the execution of services involving ionizing radiation (radiography and gammagraphy), aiming to protect workers and the environment against the harmful effects of radiation. 1. The executing company must appoint a Radiological Protection Supervisor - SPR, responsible for supervising work involving exposure to ionizing radiation. 2. Services must be performed in accordance with PT instructions for activities involving exposure to ionizing radiation. 3. Work must be stopped immediately if there is a change in environmental conditions that makes it potentially hazardous. 4.
37. The following documents must be prepared and kept up to date at the establishment: 1. Radiological Protection Plan, approved by the National Nuclear Energy Commission - CNEN; a. authorization to operate, issued by CNEN; b. list of professionals registered by CNEN to perform services; c. calibration certificates for radiation monitors, in accordance with CNEN regulations; d. certificates of radioactive sources and their respective decay tables; e. In the case of services being performed by contracted companies, copies of the documents listed in item 34.7.5 must remain with the contracting party. 2. The Radiological Protection Plan must be coordinated with the company's other programs, especially with the Environmental Risk Prevention Program - PPRA and the Occupational Health Medical Control Program - PCMSO 3. Working with Exposure to Ionizing Radiation
38. Before starting services involving ionizing radiation, a specific radiation protection plan must be drawn up, containing: 1. the characteristics of the radioactive source; a. the characteristics of the equipment (type of focus, maximum power, etc.); b. the beacon calculation memory; c. the method of storing the radioactive source; d. the movement of the radioactive source; e. the list of accessories and instruments to be used in emergency situations; f. the list of employees involved; g. the action plan for emergency situations. h. The contracted company must present a specific radiation protection plan to the contractor. Working with Exposure to Ionizing Radiation
39. 9. The performer must provide custody of dose records for each Occupationally Exposed Individual – IOE. In the event of IOE by the contracting company, the dose records of these workers must be kept at the contracting company. Records must be preserved until the IOE reaches the age of seventy-five and for at least thirty years after the termination of their occupation, even if they have already died. 10. Preventive safety measures must be applied in services involving ionizing radiation. Before exposure to the radiation source, the following measures must be taken: provide the location where the radiography and/or gammagraphy of the object is performed with adequate access and conditions; a. isolate the controlled area, signaling it with warning signs containing the international symbol for ionizing radiation and providing warning and control lighting at access points. b. Working with Exposure to Ionizing Radiation
40. During exposure to the radiation source, the following measures must be adopted: individual monitoring of the ionizing radiation dose of all personnel involved, using a direct and indirect reading device, in accordance with the radiological protection plan; a. monitoring of the controlled area when the radiation source is activated, using a portable radiation meter, by a professional registered with CNEN and calibrated equipment. b. Radioactive material transportation operations must be accompanied by specific documentation, meeting the requirements of current national technical standards, as well as the instructions and recommendations of CNEN and recipients and/or suppliers of sealed sources. 1. The measures established in the emergency plan of the contractor's Respiratory Protection Program must be communicated to the contracting company. 2. The contractor must immediately inform the contracting company of any emergency situation. Working with Exposure to Ionizing Radiation
41. Sandblasting and Hydrojetting Works 1. Sandblasting/hydro-jetting services must only be carried out by qualified workers. Those involved in the service must use a specific card containing the information necessary for emergency care. Workers must be adequately protected against the risks arising from blasting/water jetting activities, especially mechanical risks. 2. Equipment maintenance must only be performed by qualified workers. 3. The PT must be issued in accordance with the activity to be carried out.
42. 4. When carrying out the work, the following precautions must be taken: demarcate, signal and isolate the work area; a. ground the jet/hydrojet machine; b. use a hose/sleeve with a steel mesh coating and a safety device on its connections to prevent whipping; c. check the condition of equipment, accessories and safety locks; d. eliminate leaks in the blasting/hydroblasting system; e. only turn on the machine after authorization from the jet operator/hydrojet operator; f. operate the equipment in accordance with the manufacturer's recommendations, prohibiting operating pressures higher than those specified for the hoses/hoses; g. prevent bending, twisting and placing hoses/hoses over unprotected edges; h. maintain visual contact between operators and jet operator/water jet operator or employ an intermediate observer; i. take turns between jet operator/water jet operator, taking into account the worker's physical resistance. j. Sandblasting and Hydrojetting Works
43. High-pressure hydrojetting activities must be carried out continuously for up to one hour; with intervals of the same period, in a maximum working day of eight hours. 1. It is forbidden to lock or tie the trigger of the equipment's pistol. 2. A drainage system must be maintained to remove water released during hydrojetting. 3. The gun's safety device (lock) must be activated when work is interrupted, especially when changing levels or compartments. 4. 9. Jet operators/water jet operators are prohibited from diverting the jet from its work area. 10. In hydrojetting services, waterproof lighting powered by extra-low voltage must be used. 11. The use of compressed air line supply equipment is mandatory for blasting activities. 12. The quality of the air used in the protective equipment must be ensured. Sandblasting and Hydrojetting Works
44. The entire system must be depressurized when the equipment is not in use, undergoing maintenance or cleaning. 1. Sandblasting or the use of materials containing a silica concentration higher than that permitted by current legislation is prohibited. 2. Sandblasting and Hydrojetting Works
45. Painting Activities When carrying out painting services, the following measures must be observed: 1. appoint only qualified workers; a. issue PT in accordance with the activity to be developed, except for services performed in painting booths; b. prevent incompatible work from being carried out in the vicinity; c. demarcate, signal and isolate the work area; d. use explosion-proof equipment and lighting, with seamless power cable, for painting in confined spaces or with a pneumatic gun (Airless); e. ground the pump used in the pneumatic gun system. f.
46. Painting Activities 4. Air renewal must be provided to eliminate gases and vapors generated during the painting service, continuously monitoring the concentration of contaminants in the air. When the concentration of contaminants is equal to or greater than ten percent of the Lower Explosive Limit - LEL, the service must be immediately interrupted and the compartment evacuated, implementing additional ventilation. Contaminants must be directed away from workplaces, where there are no sources of ignition nearby, in compliance with current legislation. 5. At the end of the service, ventilation must be maintained, assessing the concentration of gases, in accordance with the LIE. Except for services performed in a painting booth, the area must only be released after authorization from the occupational health and safety professional or, in the absence thereof, by the person responsible for compliance with this Standard, observing the lower explosive and exposure limits established in the APR.
47. The paints must be prepared in a ventilated location, pre-established by PT and delimited by a containment dike. 1. At the service location, the amount of paint necessary for immediate use must be available. 2. Containers containing paint or solvent residues must be stored in a protected, ventilated and signposted location. 3. Waste must be treated, disposed of or removed from the establishment's boundaries in accordance with environmental legislation. 4. Electrical power panels must be installed outside the confined space, at a minimum distance of two meters from their entrance. 1. Self-contained respiratory protection equipment or a supplied air system must be kept available and easily accessible for emergency situations. 2. Painting Activities
48. Only extra-low voltage power supply should be used. 1. The pneumatic paint pump (Airless) must be installed outside the confined space. 2. Hygiene and Worker Protection. The worker must be provided with a double individual locker, so that the compartments strictly separate everyday clothing from work clothing. 3. Work clothing must be cleaned and replaced daily or, if this is not possible, disposable clothing must be provided. 4. The quality of the air used in respiratory protection equipment supplied by compressed air lines must be guaranteed, as established in the PPR. 5. Emergency eyewash stations must be maintained near the painting site and emergency showers must be made available at locations defined by the APR. 6. Painting Activities
49. Cargo Handling The signalman must wear easily visible identification, day/night, that differentiates him from other workers in the operations area. 1. The operator must only follow the instructions given by the signalman, except when there is a risk of accident. 2. Training and Assessment 21. The signalman must receive training with a workload and program content in accordance with Annex I, item 2, of this Standard. 22. For operators, in addition to that established in item 21, additional training must be provided in accordance with Annex I, item 3, of this Standard.
50. Scaffolding Assembly and Disassembly General Order Measures The design, dimensioning, assembly and disassembly of scaffolding must comply, in addition to the provisions of this NR, with the provisions contained in current official technical standards or, in the absence of such standards, in international technical standards. 1. The sizing of the scaffolding and its support and fixing structure must be carried out by a legally qualified professional. 2. Scaffolding must be sized and constructed to safely support the workloads to which it will be subjected. 3. The scaffolding design calculation memory must be kept at the establishment. 4.
51. 5. Scaffolding must be fixed to firm structures, guyed or anchored at points that offer sufficient resistance to the action of winds and the loads to be supported. Fixing may be dispensed with when the scaffold tower does not exceed, in height, three times the smallest dimension of the support base. The cantilever scaffold structure must be braced and anchored to eliminate oscillation. 1. The uprights must be firmly supported by footings on a solid and level base capable of withstanding the stresses and transmitted loads. 2. Only mobile scaffolding up to six meters high, with castors fitted with locks and supported on flat surfaces, should be used. 3. Areas around scaffolding must be marked and protected against impact from vehicles or mobile equipment. 4. Scaffolding Assembly and Disassembly
52. When there is a possibility of falling towards the inside, adequate protection must be provided by guardrails and skirting boards. 1. Openings in floors must be protected with fixed guardrails and skirting boards. 2. The scaffolding platform must be protected around its entire perimeter, except on the working face, with: 3. rigid, fixed guardrail formed by two metal tubes, placed horizontally a. at distances from the platform of seventy centimeters and one meter and twenty centimeters; skirting boards, next to the board, with a minimum height of twenty centimeters. b. 13) Scaffolding with floors located more than one meter high must be provided with stairs or ramps. Two Constituent Elements 14) For the assembly of scaffolding, only parts of proven quality to support loads, in good condition and clean, must be used. Scaffolding Assembly and Disassembly
53. The parts must be inspected and evaluated periodically, recording the results on a checklist under the supervision of a legally qualified professional. The bracing pieces must be fixed, locked and adjusted to the uprights using screws, clamps or by fitting them into pins. 1. The work floor must be fully covered, non-slip, level and securely and firmly fixed, and remain unobstructed. 2. Wooden planks, if used, must be dry, with a minimum thickness of thirty-eight millimeters, of proven quality, free from knots, cracks and other defects that compromise their resistance, and the use of paint that covers imperfections is prohibited. The fixing of the boards on the crossbars must be established in the project and done by means of a clamp and/or annealed wire, with a minimum diameter of two whole and seventy-seven hundredths of a millimeter and/or equivalent mechanical device that ensures the fixing and does not protrude from the scaffolding floor by more than 5 (five) millimeters (0.005m), without sharp corners. Scaffolding Assembly and Disassembly
54. The joints of the planks or boards must be by juxtaposition, supported on crossbars, one at each end, with a minimum overhang of fifteen centimeters and a maximum of twenty centimeters. 1. Overlapping splicing is permitted, provided that: 2. provided for in the scaffolding project; a. in non-linear segments of scaffolding and/or limited by physical space, the overlap validated by an occupational safety professional or, in the absence of such a professional, by the person responsible for compliance with this Standard; b. supported on a crossbar and with at least twenty centimeters on each side, creating an overlap of at least forty centimeters, in which case it is mandatory to adequately signpost the location (indicating the existence of the protrusion and painting a warning strip on the floor), as well as carefully securing the ends, so as not to allow them to lift off the floor. c. Of Tubular Scaffolding 19. Galvanized steel pipes must be used, with a minimum wall thickness of three and five hundredths of a millimeter, or aluminum alloy, calculated in accordance with the project. Scaffolding Assembly and Disassembly
55. 20. Only tubes less than four meters and fifty centimeters long must be used as uprights in towers and scaffolding, except when assembling the base. From Multidirectional Scaffolding The multidirectional scaffolding platform must be protected around its entire perimeter, except on the working face, with: 1. rigid, fixed guardrail formed by two metal tubes, placed a. horizontally the minimum distance from the platform is fifty centimeters and one meter; b. skirting boards, close to the floor, with a minimum height of fifteen centimeters. c. Requirements for Scaffolding Work 22. It is prohibited: Removal or blocking of the scaffolding safety device b. Moving scaffolding with workers and/or tools on it. c. use of ladders or other structures to reach higher places, from the scaffolding work floor, when not provided for in the project. d. Scaffolding Assembly and Disassembly
56. Scaffolding Assembly and Disassembly 23. If it is necessary to install equipment for lifting material, the application point must be chosen in accordance with the project, so as not to compromise the instability and safety of the scaffolding. Scaffolding Assembly and Disassembly 24. A PT must be issued for the assembly, disassembly and maintenance of scaffolding. 25. Assembly, disassembly and maintenance must be carried out by a qualified worker, under the supervision and responsibility of the immediate supervisor. Assembly, disassembly and maintenance work must be stopped immediately in the event of insufficient lighting and adverse weather conditions, such as rain, winds exceeding forty kilometers per hour, among others.
57. Assembly, disassembly and maintenance work may be authorized in conditions with winds exceeding forty kilometers per hour and less than forty-six kilometers per hour, provided that the following requirements are met: the impossibility of postponing services is justified by means of an attached document a. to the APR, signed by an occupational safety professional and the person responsible for execution of services, specifying the applicable additional protection measures; carried out through an operation assisted by an occupational safety professional and the person responsible for carrying out the activities. b. 26. The use of a parachute-type safety belt, equipped with a double lanyard, is mandatory for scaffold assemblers. 27. The scaffold assembler must have appropriate tools, stored and attached to the belt. 28. The area must be isolated during assembly, disassembly or maintenance services, allowing access only to the team involved in the activities. Scaffolding Assembly and Disassembly
58. 29. Scaffolding undergoing assembly, disassembly or maintenance must be marked with signs in red, indicating that its use is prohibited, or green, after its release. Release for Use of Scaffolding 30. Scaffolding must only be used after being approved by the occupational health and safety professional or, in the absence of one, by the person responsible for compliance with this standard, together with the person in charge of the service. Approval must be recorded on the “Scaffolding Release Form” which will be completed, signed and affixed to the scaffolding. Storage Scaffolding Assembly and Disassembly
59. The material to be used in the assembly of scaffolding must be stored in a well-lit, level, non-slippery place and protected from the elements. 1. When storing, boards and tubes must be stored by size, perfectly supported and supported on sturdy shelves, assembled in pre-established locations. 2. The remaining material must be collected, transported and stored after the assembly or disassembly of the scaffolding is complete. 3. Scaffolding Assembly and Disassembly
60. Portable Equipment Preventive maintenance must be carried out according to a program approved by the technical manager, keeping its record at the company. 1. The equipment must be equipped with a drive and stop device in its structure. 2. The maximum pressure or working voltage of the equipment must be identified in its structure, in a visible and indelible manner. 3. It must be ensured that the activity with portable rotating equipment is carried out by a qualified worker. 4. Equipment that poses a risk of parts breaking or parts or parts being projected must have their alternating or rotating movements protected. 5.
61. 6. The following measures must be taken when working with portable machines and equipment: Inspect equipment and accessories before starting activities a. Ensure a safe and clean work area for activities involving rotating machinery, b. Use EPC to avoid sparks flying c. Use machines and accessories according to the manufacturer's recommendations d. Only operate equipment that is in perfect condition and working order. e. 7. It is forbidden to remove the protective hood from machines that use hard disks. 8. Accessories must be protected against impacts, vibrations and chemicals. 9. It is prohibited: Using portable rotary equipment to sharpen tools f. use the power cord to move or disconnect the equipment; g. use the cutting disc for roughing; h. use portable equipment such as a benchtop machine, except when specified by the manufacturer. i. Portable Equipment
62. The power cord must be kept away from the rotating area. 1. It must be ensured that the drive device is in the “off” position before being connected to the power system. 2. The accessories must be changed or tightened with the equipment disconnected from the power supply, using an appropriate tool. 3. The discs must be compatible with the rotation of the equipment. 4. When using pneumatic equipment, a safety cable must be used to prevent whipping. 5. 15. The equipment must be depressurized when not in use, undergoing maintenance or cleaning. Portable Equipment
63. Temporary Electrical Installations Electrical cables must be laid in overhead or underground structures, in such a way as to guarantee the protection of workers and not obstruct access, passages and escape routes. 1. In electrical circuits, only two- or three-core cables with plastic (PP) or rubber (PB) insulation must be used. 2. Distribution boxes must be: 3. appropriately sized; a. made of non-combustible material, free from sharp edges; b. grounded and protected by circuit breakers; c. equipped with shock protection devices and Residual Differential Device - DR; d. identified as to voltage and marked to prevent electric shock; e. equipped with a door and lock; f. equipped with a fixed barrier to prevent accidental contact with live parts. g.
64. Hand-held and welding machines must be connected via plugs to socket panels protected by circuit breakers. 1. The luminaires must be powered by an exclusive circuit. 2. Temporary lighting fixtures must be installed and securely fixed by authorized electricians. 3. Joints that may become submerged must be vulcanized or receive a waterproof external coating. 4. Tubular copper alloy connectors, pressed or welded, must be used in the joints to ensure circuit continuity and minimize heating. 5. For stationary alternating voltage cables, the split-bolt type connector can be used. The splice, when completed, should be insulated with self-fusing tape. Temporary Electrical Installations
65. For welding cables, the minimum distance allowed between joints must be three meters. 1. The insulation cover must be replaced whenever there is damage to its surface. 2. The conduit, in case of exposure, must be insulated with self-fusing tape. Temporary Electrical Installations
66. Leak Tests A leak tightness test is considered to be a non-destructive test carried out by applying pressure to a part, compartment or pipe to detect leaks. 1. The preparation and qualification of the procedure, as well as the execution and supervision of the test must be carried out by a qualified professional. 2. A worker who has undergone theoretical and practical training with a workload and program content in accordance with item 5 of Annex I is considered qualified to carry out leak testing. Workers trained in leak testing must receive periodic training every 12 months, with a minimum workload of 8 hours. Training must be provided by instructors with proven proficiency in the subject, under the responsibility of a legally qualified professional.
67. Workers performing the leak test must wear easily visible identification that distinguishes them from others. 1. The test system must have a pressure regulator, safety valve, relief valve and a calibrated and easy-to-read pressure gauge. 2. The design of the leak test system must be prepared by a legally qualified professional. 3. A calculation record of the design of the leak testing system must be kept at the establishment. Leak Tests
68. Before starting activities, the following safety measures must be adopted: 1. issue the PT; a. evacuate, isolate and signal the risk area defined in the procedure; b. implement EPC; c. if it is technically unfeasible to use EPC, an APR must be drawn up containing alternative measures that ensure the physical integrity of the worker. d. Expansion joints, accessories, instruments, and pressure gauge glasses that cannot be subjected to pressure tests must be removed and isolated. 2. All joints must be exposed, without insulation or coating. 3. Repair, retightening or hammering on the tested system while pressurized is prohibited. 4. A safety valve with opening pressure adjusted in accordance with the test procedure must always be used. 5. Leak Tests
69. After reaching the test pressure, the test system must be blocked from the tested system. 1. When stopping the test, the systems should not be kept pressurized. 2. Depressurization is only permitted using the system relief valve. 3. When using flexible lines, a safety cable must be used to prevent whipping. 4. During testing, the pressure must be gradually increased to the final test pressure. 5. Leak Tests
70. Temporary Fixation and Stabilization of Structural Elements 1. Temporary fixing and stabilization of structural elements are considered to be activities where a set of elements is arranged in a stable equilibrium position, through the use of temporary devices, bridges, special supports or support by hoisting equipment. The provisions of this item apply to the processing, subassembly, assembly, construction, repair, rework and vertical storage of parts phases. The temporary fixing or stabilization activity must be under the technical responsibility of a legally qualified professional, formally appointed by the employer. It is the responsibility of the technical manager, in accordance with the tables in Annex II: classify the structural elements to which the provisions of this item apply, considering, at least, weight and sail area; a. establish the procedure for fixation and stabilization activities. b.
71. classification of the structural element, considering its weight and sail area, must meet the most critical situation to select the type of stabilization procedure (general - G or specific - E, mentioned in the tables in Annex II) to be adopted during fixation and stabilization. The general procedure - G must contain at least: 1. structural element fixing and stabilization system using hoisting equipment and/or temporary devices; a. sequence of execution of activities; b. inspections; c. Responsibilities d. Temporary Fixation and Stabilization of Structural Elements
72. 3. The specific procedure - E, in addition to that described in item 34.15.2, must include: Risk Analysis; a. Work Permit; b. isolation and signaling; c. representation by means of specific tables, diagrams or drawings; d. basis in specific structural calculation memory e. 4. Fixation and stabilization activities must be supervised by an Operational Manager - RO previously trained in the procedures, under the responsibility of the legally qualified professional defined in item 34.15.1.2. Only the RO must authorize the release of the hoisting equipment or removal of temporary devices. Temporary Fixation and Stabilization of Structural Elements
73. Removal of temporary devices must be carried out when the structural element is in one of the following situations: 1. permanently fixed; a. fixed by temporary welding process, in accordance with the work procedure; b. supported by crane equipment. c. Temporary Fixation and Stabilization of Structural Elements
74. Services supported by structures 1. The floating structure must comply with the provisions of this Regulatory Standard and others, as well as the Standards of the Maritime Authority (NORMAM/DPC). For the purposes of applying this item, a floating structure is considered to be any vessel approved by the maritime authority for operation exclusively in sheltered waters and intended for support services to the naval industry. Inspection, survey and transport services carried out using boats are excluded from the application of this item. The floating structure must: 1. be previously registered with the Maritime Authority, through the Port Authorities, Delegations or subordinate Agencies; a. have the Vessel Registration Title - TIE or the Maritime Property Registration Provision - PRPM; b. have visible and durable markings on the hull. c.
75. Navigation and work activities on floating structures must only be carried out in sheltered and inland waters, according to the Rules and Procedures of the Port Authority of the Jurisdiction - NPCP, corresponding to the locations where the services are performed. 1. It is prohibited to carry out services with the support of floating structures in the open sea. 2. The owner of the floating structure is responsible for: 3. ensure that on-board services are interrupted whenever maximum sea and wind conditions are reached, corresponding to force 3 on the Beaufort Scale (wind speeds of 12 km/h to 19 km/h and wave heights between 0.5 metres and 1.25 metres); a. ensure that workers are evacuated from non-propelled vessels whenever maximum sea and wind conditions corresponding to force 5 on the Beaufort Scale are reached (wind speeds of 29 km/h to 38 km/h and wave heights between 2.5 meters and 4.0 meters); b. ensure that the floating structure, equipped with its own propulsion, moves to safe sea and wind conditions whenever the maximum sea and wind conditions corresponding to force 5 on the Beaufort Scale are reached (wind speeds of 29 km/h to 38 km/h and wave heights between 2.5 meters and 4.0 meters). c. Services supported by structures
76. 6. In the case of non-propelled floating structures, the company must have a suitable vessel to transport workers between the floating structure and the support base, and vice versa. Alternatively, the floating structure can be provided with safety lines (mooring systems) attached to the support base, allowing it to be mechanically brought to the base using equipment designed for this purpose. The floating structure must be marked in accordance with the current standards of NR 26 1. - Safety Signs. The lighting of workplaces must comply with the provisions of subitem 17.5.3.3 of NR 17 – Ergonomics. 2. Electrical equipment, fixed and portable, used in explosive atmospheres caused by gases and vapors or combustible dust must comply with the requirements contained in the applicable technical standards. 3. Services supported by structures
77. Work surfaces and floors must be covered with non-slip, non-combustible material. 1. Openings in floors and work surfaces must be fitted with sturdy protection to prevent people or objects from falling. 2. Materials and tools must be properly secured or stored to prevent them from being moved unintentionally. 3. 13. Guardrails (balustrades) with a minimum height of one meter must be installed around every floating structure, which must be strong and firmly fixed to its structure and can be removed during the execution of the service, when necessary. 4. The floating structure must be equipped with Class III life jackets, approved by the Brazilian Navy, in sufficient quantity to meet the needs of all workers and crew members on board. 5. Services supported by structures
78. In activities carried out close to the edges of the floating vessel, workers must wear Class IV life jackets, in accordance with the activities carried out, approved by the Brazilian Navy. It is mandatory to signal and install fire extinguishers in sufficient numbers and capacity to put out the fire, proportional to the size of the floating structure and the types of services performed on board; 1. Workers working on floating structures must have access to a bathroom located at a maximum distance of 50 (fifty) meters from the workstation, in the proportion of 1 (one) bathroom for every 20 (twenty) workers or fraction thereof, separated by sex, with the following characteristics: 2. kept in perfect condition of hygiene and functioning; a. equipped with toilet, sink and basket with lid; b. have disposable material for drying hands, toilet paper and liquid or paste soap; c. have enough water suitable for human consumption in the bathrooms. d. Services supported by structures
79. Dimensions or distances other than those described in subitem 34.16.16 may be changed due to technical unfeasibility, provided that they are duly certified by a qualified health or safety professional. 17. Meals must be eaten primarily in the shipyard's cafeteria or in a specific area designated for this purpose on the floating structure itself. When workers remain on board during their meal periods due to service requirements, the floating structure must have a suitable place to take meals, with the following characteristics: be clean, airy and well lit; a. have insulation and coverage that protects against the weather; b. have tables and seats corresponding to at least 1/3 (one third) of the number of workers on board; c. have sinks installed nearby or in the place where meals are served; d. have a place to store and preserve food. e. Services supported by structures
80. 18. The company must guarantee workers who must remain on board due to service requirements have free access to good quality food, provided in hygienic and conservation conditions, as provided for in current legislation. The menu must be balanced and prepared by a legally qualified nutritionist, have content that meets the nutritional requirements necessary for health conditions, be appropriate for the type of work activity and ensure well-being on board. Additionally, the company must provide specific diets for the worker's pathology, according to medical prescription. The contracting company, owner of the floating structure, must ensure that the company contracted to provide food services on board complies with the requirements for the food safety management system, established by the ABNT - NBR - ISO 22000 Standard and its subsequent amendments. Services supported by structures
81. The consumption of any food in environments where there is the possibility of exposure to chemical, physical or biological agents is prohibited. 1. It is mandatory to provide on board drinking water in hygienic conditions, filtered and fresh, by means of a drinking fountain with an inclined jet or similar equipment that guarantees the same conditions. 2. If it is not possible to install drinking fountains, drinking water on board can be provided in Portable, hermetically sealed and easy-to-clean containers, made from appropriate materials to avoid contamination. The container mentioned in subitem 34.16.20.1 must be cleaned daily. The distance to be covered by the worker, from his/her workstation to the drinking fountain or portable container, must be less than 50 (fifty) meters on the horizontal plane and 5 (five) meters on the vertical plane. In hot climates or seasons, the supply of chilled water must also be guaranteed to all workers on board. Services supported by structures
82. The company must provide sufficient drinking water on board to meet the individual needs of workers, in a quantity greater than 1/4 (one quarter) of a liter (250ml) per man-hour of work. Drinking water storage and transportation locations and their sources must be: protected against any contamination; a. placed sheltered from the weather; b. subjected to a sanitation process, every two weeks, supervised by an occupational health team and recorded in a technical report available to workers, with the sanitation record posted on the reservoir, when applicable; c. located in a separate location from water unfit for drinking, whose warning notices must be posted in an easily visible location, in a legible and indelible manner. d. The procedure for controlling the quality of water for human consumption and its potability standard, the promotion of health in ports and good practices for the water supply system or the collective alternative solution must satisfy, respectively and where applicable, the Ministry of Health Ordinance No. 2,914, of December 12, 2011, the Collegiate Board Resolution - RDC No. 72, of December 29, 2009 and RDC No. 91, of June 30, 2016, and their subsequent amendments. Services supported by structures
83. 21. It is forbidden to use glasses, plates, cutlery and other utensils in a shared manner, without prior cleaning, or improvised for drinking water or food, and the use of disposable materials is permitted. Disposable cups to be used must be stored in a clean place and placed in cup holder-type containers to allow for their individual removal. Services supported by structures
84. Emergency Response Plan - PRE 1. The company must prepare and implement the PRE; The provisions contained in: apply in a complementary manner to the PRE: Regulatory Standards of MTb Ordinance No. 3,214/78 and its subsequent amendments; a. national technical standards; b. State Fire Codes, in the case of buildings; c. Regulations of the Maritime Authority of the Directorate of Ports and Coasts (NORMAN/DPC), in the case d. of vessels and structures, such as ships, boats, launches, fixed or floating platforms, among others;
85. The PRE must: 1. be prepared in accordance with emergency scenarios, selected from among possible accident scenarios, identified in risk analyses; a. contemplate the actions to be adopted in emergency scenarios, considering the characteristics and complexity of buildings, vessels and structures; b. contemplate the actions to be adopted in emergency scenarios, considering the c. installation characteristics; d. provide appropriate guidance for each level of involvement of own, outsourced and visiting workers; e. be prepared by a professional legally qualified in occupational safety; f. be periodically reviewed by a legally qualified occupational safety professional g. Emergency Response Plan - PRE
86. The PRE must contain: 1. company identification (company name and CNPJ number) and contact details (address, telephone number, email address); a. identification of the person technically responsible for preparing and reviewing the PRE; b. delimitation of the scope of PRE actions; c. response actions for each emergency scenario; d. assignment matrix; e. dimensioning of resources according to identified emergency scenarios, including first aid; f. definition of means of access and evacuation of industrial facilities and vessels, including floating structures, where applicable; g. Emergency Response Plan - PRE
87. Emergency Response Plan - PRE h) communication procedure with contracted companies; i) procedures for guiding visitors regarding existing risks and how to proceed in emergency situations; j) procedures for activating complementary resources and response structures and those of the relevant public authorities, as well as triggering the Mutual Aid Plan - PAM, if applicable; l) procedures for communicating the event that triggered the PRE; m) the frequency, program content and workload of emergency team training.
88. The company must maintain an updated list, in accordance with the attributions matrix, of those involved in emergency response actions; The PRE must be coordinated with other Regulatory Standards and with the PREs of the vessels where the services are being carried out (ships, platforms, maritime support units, maintenance and safety units and other types of vessels). 4. The company must carry out simulation exercises to evaluate the effectiveness of the PRE. Mock exercises must: be carried out in accordance with the mapped emergency scenarios; a. comply with the planning and schedule established by the technical manager; b. be carried out during normal working hours, taking into account work shifts, where applicable. c. After carrying out simulated exercises or in the event of real situations, a report must be prepared with the aim of verifying the effectiveness of the PRE, detecting possible failures and supporting the necessary adjustments. Emergency Response Plan - PRE
89. The PRE must be reviewed in the following situations: 1. when there are changes in possible accident scenarios; a. when recommended in the evaluation reports of simulated exercises or in the evaluation reports of real situations; b. every two years. c. The PRE, its reviews and the evaluation reports of simulated exercises and the activation of the PRE in real situations must be presented to the CIPA, when applicable. 2. The members of the emergency response team must undergo initial and periodic training and medical examinations specific to the role they will perform in the ERP, including psychosocial risk factors. 3. Worker participation in emergency response teams is voluntary, except in cases where the nature of the role so requires. 4. Emergency Response Plan - PRE
90. Final Provisions The use of personal adornments in the industrial area is prohibited. 1. The use of contact lenses during hot work is prohibited. 2. The worker must be protected against excessive sunlight, heat, cold and humidity when working outdoors. 3. The use of solvents, compressed air and pressurized gases to clean skin or clothing is prohibited. 4. Workplaces must be kept in a clean state compatible with the activity. 5. The cleaning service must be carried out using a process that minimizes the creation of dust. The use of compressed air as a cleaning process is prohibited. 6. The vessel must be equipped with emergency signaling and lighting to enable exit in the event of a power outage.
91. Final Provisions The employer is required to provide work clothing free of charge and to replace it when damaged. 1. It is mandatory to provide workers with fresh, filtered drinking water through a drinking fountain with an inclined jet or similar equipment that guarantees the same conditions, in the proportion of one for each group of twenty-five workers or fraction thereof. 2. The provisions of this subitem must be guaranteed in such a way that, from the work station to the drinking fountain, there is no displacement greater than one hundred meters, in the horizontal plane and five meters in the vertical plane. If it is not possible to install drinking fountains within the limits referred to in the previous subitem, the employer must ensure, at work stations, a supply of filtered and fresh drinking water provided in hermetically sealed portable containers, made of appropriate material, and the use of collective cups is prohibited. In regions of the country or seasons with hot weather, the supply of chilled water must be guaranteed.
92. Final Provisions In the event of a fatal accident, the following measures must be adopted: 1. immediately communicate to the competent police authority and to the regional body of the Ministry of a. Labor and Employment, which will immediately forward the information to the professional category's union; isolate the location directly related to the accident, maintaining its characteristics until its b. release by the competent police authority and by the regional body of the Ministry of Labor and Employment. The release of the site may be granted after the investigation by the competent regional body of the Ministry of Labor and Employment, which will occur within a maximum period of seventy-two hours, counting from the protocol of receipt of the written communication to said body, and after this period, the measures referred to in item “b” of subitem 9 may be suspended. The industrial production area must be provided with a rainwater drainage system. 2. Visual communication referring to the prevention of accidents and occupational diseases must be placed in places visible to workers. 3. A recreation area for workers must be made available at the shipyard. 4.
93. Final Provisions 13. Alternative Solutions. It is available to companies in situations not provided for in this NR, subject to compliance with the requirements. provided for in the following subitems, the adoption of alternative solutions regarding the measures of collective protection, work techniques and the use of equipment, technologies and other devices that: provide technological advancement in worker safety and health; a. aim to implement control measures and preventive safety systems in processes, conditions and the work environment; b. ensure that tasks and activities are carried out in a safe and healthy manner. c. Alternative solutions must meet the following requirements: be under the technical responsibility of legally qualified professionals; d. be preceded by Risk Analysis -AR and Work Permit -PT; e. be described in the Work Safety Procedure. f.
94. Final Provisions The technical responsibility for alternative solutions is exercised by the engineer legally qualified in the modality involved and by an occupational safety engineer. In addition to what is provided for in subitem 34.4.2, a copy of the Risk Analysis must be kept at the work fronts. Tasks performed through the adoption of alternative solutions must be provided for in Occupational Safety Procedures containing: the risks to which workers are exposed; a. the description of the equipment and collective protection measures; b. the technical specification of Personal Protective Equipment (PPE); c. instructions on the use of Collective Protection Equipment (EPC) and PPE, according to the task stages; d. preventive actions to be observed during the execution of services. e.