Tham khảo tài liệu 'inspection of vertical transportation equipment_8', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Simpo PDF Merge and Split Unregistered Version - http Use The hoists are used to transport materials and personnel from one point to another vertically during the construction alteration and or demolition phases of a project. The devices are transported to a site erected used dismantled and moved to the next site. They are usually operated exclusively by certain trained designated operating personnel when transportation of materials or personnel is required. No persons other than such employees are permitted to operate the hoist unit. No personnel are allowed to ride a material hoist manufactured and erected in accordance with requirements of the Standard. Materials may be transported on hoists manufactured and erected in accordance with requirements of the Standard. Applicable Safety Standards The applicable safety standards for the construction maintenance inspection and operation of hoists are contained in the ANSI Safety Requirements for Personnel Hoists and the Safety Requirements for Material Hoists. Inspection Interval It is recommended that periodic inspections of the hoists be conducted at intervals not to exceed 90 days. OUTSIDE HOISTWAY INSPECTION Hoistway Enclosure When the hoist is located outside of the structure hoistway enclosure may be omitted except at the lowest landing and on the building side of the hoistway. Any area that is adjacent to scaffolding must be enclosed. Hoists located inside a structure shall be fully enclosed unless they pierce no solid floors. Any area that is accessible to personnel must be protected. Material hoists shall not be used together with personnel hoists in multiple hoistways. Check the tower fastenings to see that they remain secure. Landings Railings and toeboards are required on open sides of landing platforms or runways. All platforms exposed to falling objects must be protected. These areas must be kept clear. 9-3 Simpo PDF Merge and .
