Examples using self-manufactured spiral staircases based on technology developed through caisson construction are published.
This document introduces installation examples of spiral staircases produced in-house. The construction procedure is explained in three stages, and the installation examples include: starting piles (liner plates), starting piles (steel sheet piles), and reaching piles (steel sheet piles), among others. Additionally, there is information on dimensions and specifications. [Contents] ■ Construction Procedure ■ Installation Examples - Starting Piles - Reaching Piles - Pile Construction - Hole Construction - High Places ■ Dimensions and Specifications *For more details, please download the PDF or feel free to contact us.
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**Factors Contributing to Accidents During Ascent and Descent Using Ladders** ■ Slipping of hands and feet during ascent and descent, leading to falls due to inability to securely grip the rungs ■ Ascending or descending without securing the top of the ladder, causing it to move and fall to the floor ■ Setting up on soft or uneven surfaces, leading to sinking or tilting of the legs and resulting in falls ■ Leaning out from the ladder to work, losing balance and falling ■ Being distracted by someone calling out during ascent or descent, leading to falls ■ Falls due to a "lack of awareness of danger" because it is a familiar object that can be easily used *For more details, please download the PDF or feel free to contact us.*
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Our company specializes in special construction work such as pneumatic caissons, shields, and tunneling, and also handles general civil engineering and construction work. Please feel free to contact us if you have any requests.