728x90 분류 전체보기551 46. Tie-in with Existing Substances Many existing pipeline networks are reaching the end of their design lives and have to be replaced or supplemented by new systems. The term ‘Tie-in’ is generally used to describe the connection of a pipeline to a facility, to other pipeline systems or the connecting together of different sections of a single pipeline. It also refers to additions or modifications to existing systems, for example .. 2022. 12. 21. 45. Testing of Batteries Charger A battery is an energy source and care has to be observed in handling them. Batteries must not pose any danger to people, not even under extreme conditions. They should therefore be evaluated thoroughly before being put into use with an effective set of battery tests. The tests ensure that batteries fulfil legal, industry and manufacturer requirements. Category Hazards Controls Injury to personn.. 2022. 12. 21. 44. Steel Structure Election As far as practicable the safety of workers employed on the erection of steel and prefabricated structures should be ensured by appropriate means, such as provision and use of: (a) ladders, gangways or fixed platforms; (b) platforms, buckets, boatswain's chairs or other appropriate means suspended from lifting appliances; (c) safety harnesses and lifelines, catch nets or catch platforms; (d) pow.. 2022. 12. 21. 43. Spray Painting Spray painting is a painting technique in which a device sprays coating materials through the air onto a surface. The most common types employ compressed gas to atomize and direct the paint particles. Air gun spraying uses generally equipment. It is typically used for covering large surfaces with an even coating of liquid. (from wikipedia) Category Hazards Controls Overexposure to Fumes 1. Can o.. 2022. 12. 21. 42. Rigging General Rigging equipment for material handling shall be inspected prior to use on each shift and as necessary during its use to ensure that it is safe. Each day before being used, the sling and all fastenings and attachments shall be inspected for damage or defects by a competent person designated by the employer. Riggers should keep their hands, fingers and feet clear of pinch points. Be aware.. 2022. 12. 21. 41. Removal of Floor Gratings Prior to grating removal and the start of work, a person in charge will review the procedures and protective measures required by the permit. The removal of floor gratings on elevated structures during construction works have a high potential of falling to workers and consequently, Death or undesired injuries, and the most such incident of falling occurs due to the following reasons : The gratin.. 2022. 12. 21. 40. Radiography Radiographic Testing (RT) – This method of weld testing makes use of X-rays, produced by an X-ray tube, or gamma rays, produced by a radioactive isotope. The basic principle of radiographic inspection of welds is the same as that for medical radiography. X-Radiation: The radiography testing techniques shall demonstrate that the required radiography sensitivity has been obtained. Maximum x-ray vo.. 2022. 12. 16. 이전 1 ··· 63 64 65 66 67 68 69 ··· 79 다음 728x90