26. Nitrogen Testing Nitrogen (pressure) testing involves applying stored energy to an assembly of parts, in order to verify its strength, its integrity and/or its functionality. The action you need to take to comply with these regulations will depend primarily on; – the size of assembly under test – its test pressure – the test […]
25. Moving Around Platform 고소작업대, 컨베이어, 자동화창고 등의 AGV (Automated Guided Vehicles) 등등 주변에 움직이는 기기 또는 장치가 있는 환경에서 작업이 이뤄지는 상황을 전제로 위험요인을 파악하고 있습니다. 입동이 지나고 2021년 첫 겨울비가 내리는 날이네요. 몸은 춥겠지만, 마음은 따뜻한 겨울이 되었으면 좋겠네요. ∴ ∴ Hazard Category Hazards Controls Hearing Damage 1. During maintenance works, etc. There
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24. Masonry and Plastering Work Description – Plaster is a thin layer of mortar applied over the masonry surface and it acts as a damp-proof coat over the brick masonry work. Plastering also provides a finished surface over the masonry that is firm and smooth hence it enhances the appearance of the building. ∴ ∴ Hazard Category
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23. Manual Handling Manual Handing – means any activity requiring the use of force exerted by a person to lift, lower, push, pull, carry or otherwise move, hold or restrain some things . It also includes any activity involving repetitive and/or movements. Manual handling causes over a third of all workplace injuries. These include work-related musculoskeletal disorders
22. Maintenance Work on Plant plant maintenance is the application of best practices to increase equipment up time in manufacturing facilities. This helps plants avoid unplanned downtime and ensures production stays on schedule. ∴ Why is maintenance of plant and equipment important? An effective maintenance programme will make plant and equipment more reliable. Fewer breakdowns will
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21. Leak test of Pipes The leak test involves filling the pipe system with a liquid, usually water, which may be dyed to aid in visual leak detection, and pressurization of the pipe to the specified test pressure. Pressure tightness can be tested by shutting off the supply valve and observing whether there is a
20. Insulation for piping and equipment Piping and equipment should be insluated according to the insulation class, operating temperature and insulation thickness stated in the P&ID and Data sheets. All insulation shall be covered with weather protection designed and installed to prevent ingress of water during normal operation. Types of Insulation 1) Hot Insulation –
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19. Instrument Installation The instrument installation is in designing, specifying, procuring, calibrating, installing, piping, loop checking, commissioning and maintaining instrumentation and control systems for a wide range of industrial and commercial process controls, ensuring that the plant operates safely. ∴ ∴ Hazard Category Hazards Controls Defective Equipment 1. Accidents can occur through the use of faulty
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18. Hydrotest Hydrotest is a way of checking the integrity of pressure vessels, pipelines, cylinders, boilers, storage tanks as well as fuel tanks. With the help of this test, pressure tightness, strength and any leakages are checked. Hydrotest involves a test which is performed with the help of water (which is why this test is
17. HVAC Duct Installation & Insulation HVAC is an abbreviation for Heating, Ventilation and Air Conditioning, and refers to the climate control systems installed in homes or commercial properties. Their task is to move heated or cooled filtered air throughout the building, to keep inhabitants of the structure comfortable. ∴ ∴ Hazard Category Hazards Controls Slips and Trips
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16. HDPE Installation High-density polyethylene (HDPE) is an extremely versatile material that is utilized for a number of engineering works. As one of the most versatile plastic materials around, HDPE plastic is used in a wide variety of applications, including plastic bottles, milk jugs, shampoo bottles, bleach bottles, cutting boards, and piping. Known for its
15. Grit Blasting (Sand Blasting) Abrasive grit blasting (also commonly known as abrasive blasting or sandblasting) involves forcibly propelling an abrasive material against a surface under high pressure. Different variants of the blasting process involve different media, which range in their levels of abrasiveness, with some being highly abrasive while others are very mild in effect. The most abrasive methods include shot blasting (which uses metal shot) and sandblasting. ∴ ∴ Hazard Category Hazards Controls Foreign Bodies in Eyes 1. With the
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14. Grinding (그라인더 사용) Grinding is the process of removing metal by the application of abrasives which are bonded to form a rotating wheel. When the moving abrasive particles contact the workpiece, they act as tiny cutting tools, each particle cutting a tiny chip from the workpiece. ∴ ∴ Hazard Category Hazards Controls Particles in The Eye 1. Can occur through attempting to lift.
13. Grating Installation The steel grating can be installed and fixed in many ways. Typically, welding installation, fastener fixing and angle steel fixing are three methods we commonly used for steel grating installation. ∴ ∴ Hazard Category Hazards Controls Falls of Materials/ Tools 1. Can occur by hand materials and tools, etc. Being accidentally dropped through the gratings
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12. Gas Cutting The process consists of preheating the metal to be cut to its ignition (oxidation) temperature, i.e., above 870°C in case of steel. The preheating is done by oxy- acetylene gas flame, which is supplied from surrounding openings of the cutting torch. When this temperature is attained, a jet of high pressure oxygen
11. Fire Proofing by Spraying Many building codes require fireproofing protection to structural steel as a safety precaution. The most common way to provide such protection is by spraying low-density fiber or cementitious compounds, now called spray-applied fire-resistive material (SFRM). The product can be sprayed on steel to provide heat resistance and also can be
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10. Excavation Work Being a major part of the site preparation, excavation can make or break the stability of your future building. First things first. Do not commence any excavation work before you have a clear map of underground utilities: cables, pipes, etc. Mark the services and make sure everyone in the excavation team knows
09. Electrical Testing It is more likely that this will happen during electrical testing and fault finding, when conductors at dangerous voltages are often exposed. You can minimise this risk if testing is done while the equipment is isolated from any dangerous source of supply, although this is not always possible. Take care to prevent
08. Electrical Installation Electrical installations consist as the connection system that has the mission to conduct and distribute the electric current, from the electric service to the last electrical installation outlet, in a edification or construction. Electrical installation describes the physical work involved in installing electrical systems into a building and a plant., etc as
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07. Coring on Existing Drainage Sump. Constructing holes in precast concrete manhole sections for pipe connections can be achieved by several methods. Each requires careful consideration before making the investment in training and equipment. Whether you are building a new plant and trying to decide which production method to use or you have an existing
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