Regulations for Safety Inspection of Hazardous Machines and Equipment Article 111

The items of external inspection include visual examination, detection of the corrosion, cracks, distortion, defilement and leakage on the surface, if necessary, the non-destructive detection, ultrasonic thickness measurement as fixed points in corrodible areas, accessories and auxiliary devices inspection shall also be carried out. Whenever necessary, proper instruments shall be adopted to detect the inside of the Category Ι pressure vessels, if something abnormal is found, the internal inspection shall then be carried out.The ultrasonic thickness measurement stipulated in the previous paragraph may be exempted if there're problems like high temperature etc. that leads to difficulty in the measurementWhen carrying out the external inspection on Category Ι pressure vessels, the inspecting organization he shall notify the employer of the date of inspection. During the inspection, the Manufacture or personnel designated by the Manufacture shall be on the scene.
中文原文 危險性機械及設備安全檢查規則第111條
第一種壓力容器外部檢查之項目為外觀檢查、外部之腐蝕、裂痕、變形、污穢、洩漏之檢測、必要時實施之非破壞檢查、易腐蝕處之定點超音波測厚及其他必要之檢查。
必要時,得以適當儀器檢測其內部,發現有異狀者,應併實施內部檢查。
前項超音波測厚,因特別高溫等致測厚確有困難者,得免實施。
檢查機構受理實施第一種壓力容器外部檢查時,應將檢查日期通知雇主。
實施檢查時,雇主或其指派人員應在場。

English translation for reference only; the Chinese text prevails. Not legal advice.