Dropped objects

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## L. REMOVING AND INSTALLING ATTACHMENTS, AND STORING ATTACHMENTS - ・ Remove and install attachments after appointing a man to supervisor in advance. - ・ The attachment in danger of falling should be stored in the stable condition where supported in order not be fallen. And entry into the stored area of person other than the person concerned is prohibited. <!-- image --> ## M. USE SUPPORT EQUIPMENT DURING SERVICE - ・ When machine inspection or maintenance is done under the boom, arm or under the bucket/attachment use proper equipments or blocks to secure the attachment. - ・ The work in the condition where the crawler is floated by arm and boom causes the danger of falling of the machine if the control lever is shifted unexpectedly or the piping is broken. - No one is admitted to enter under the unstable machine. ## N. WORKING ABOVE GROUND There is a danger of falling when working on areas above ground. - ・ Do not approach edges. - ・ Use the appropriate equipment, such as ladders or platform when working above ground. In addition, strap yourself to the proper equipment accordingly. - ・ Avoid spillage of any oil or grease. - ・ Do not leave any tools around the working area. - ・ Use extreme caution to avoid slipping while walking. - ・ Do not jump on or from the machine. Use the steps and handrails and securely maintain a three point contact while mounting or dismounting at all times. <!-- image --> ## O. DO NOT DROP OFF TOOLS AND PARTS Dropping of any tools and parts in the working area may cause injury or faulty machine operation. Do not leave any tools or articles in the working area or component compartment. Store all tools properly when the work is completed. <!-- image --> １

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- 318 (3) Despite subsection (1), if the danger from falling objects is in a location in a work site where workers go intermittently or incidentally to their regular duties, an employer may place appropriate and adequate warning signs, horns, flashing lights or similar devices at the location to warn workers of the hazard. - 318 (4) An employer must ensure that a safeguard used on a hoist or scaffold under subsection (1) - (a) is made of wire mesh or an enclosure material that is equally or more efficient at containing equipment and materials, - (b) is not less than 1 metre high from the floor, platform or working level of the safeguard, and - (c) encloses all sides of a cantilever hoist platform or skip, except the side adjacent to the building. - 318 (5) If the material being hoisted or lowered is of a kind that prevents the sides of a cantilever hoist platform or skip from being enclosed as required by subsection (4), an employer must provide another effective alternative safeguard against falling materials for the workers. - 318 (6) An employer must ensure that a safeguard around the surface opening of an underground shaft serving a tunnel - (a) is made of wire mesh or an enclosure material that is equally or more effective at containing equipment and materials, and - (b) is not less than 1 metre high from the surface. - 318 (7) An employer must ensure that a safeguard is installed on all sides of - (a) the cage of a building shaft hoist or a tower hoist, or - (b) a hoist cage in an underground shaft serving a tunnel. - 318 (8) An employer must ensure that a safeguard used on a cage under subsection (7) is made of - (a) wire mesh, or - (b) an enclosure material that is equally or more effective at containing equipment and materials and at protecting workers from hazards associated with the movement of a cage in a shaft. ## Push stick or block - 319 If a worker may be injured while feeding materials into cutting or shaping machinery, an employer must ensure the…

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## 29 CFR 1926 (OSHA) platforms, or canopy structures that contain or deflect the falling objects. When the falling objects are too large, heavy or massive to be contained or deflected by any of the above-listed measures, the employer shall place such potential falling objects away from the edge of the surface from which they could fall and shall secure those materials as necessary to prevent their falling. - (2) Where there is a danger of tools, materials, or equipment falling from a scaffold and striking employees below, the following provisions apply: - (i) The area below the scaffold to which objects can fall shall be barricaded, and employees shall not be permitted to enter the hazard area; or - (ii) A toeboard shall be erected along the edge of platforms more than 10 feet (3.1 m) above lower levels for a distance sufficient to protect employees below, except on float (ship) scaffolds where an edging of Ú × 1 Ú inch (2 × 4 cm) wood or equivalent may be used in lieu of toeboards; 3 4 1 2 - (iii) Where tools, materials, or equipment are piled to a height higher than the top edge of the toeboard, paneling or screening extending from the toeboard or platform to the top of the guardrail shall be erected for a distance sufficient to protect employees below; or - (iv) A guardrail system shall be installed with openings small enough to prevent passage of potential falling objects; or - (v) A canopy structure, debris net, or catch platform strong enough to withstand the impact forces of the potential falling objects shall be erected over the employees below. - (3) Canopies, when used for falling object protection, shall comply with the following criteria: - (i) Canopies shall be installed between the falling object hazard and the employees. - (ii) When canopies are used on suspension scaffolds for falling object protection, the scaffold shall be equipped with additional independent support lines equal in number to the number of points supported, and equivalent in s…

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- (b) guardrails and toe boards. - 314 (2) If a person removes a cover, guardrail or toe board, or any part thereof, protecting an opening or hole for any reason, an employer must ensure a temporary cover or other means of protection replaces it immediately. - 314 (3) If a temporary cover is used to protect an opening or hole, an employer must ensure a warning sign or marking clearly indicating the nature of the hazard - (a) is posted near or fixed on the cover, and - (b) is not removed unless another effective means of protection is immediately provided. ## Guardrails - 315 (1) An employer must ensure that a guardrail required by this Code - (a) has a horizontal top member installed between 920 millimetres and 1070 millimetres above the base of the guardrail, - (b) has a horizontal, intermediate member spaced mid-way between the top member and the base, - (c) has vertical members at both ends of the horizontal members with intermediate vertical supports that are not more than 3 metres apart at their centres, and - (d) is constructed of lumber that is 38 millimetres by 89 millimetres or of material with properties the same as or better than those of lumber. - 315 (2) Despite subsection (1), a temporary guardrail does not require a horizontal intermediate member if it has a substantial barrier positioned within the space bounded by the horizontal top member, toe board and vertical members that prevents a worker from falling through the space. - 315 (3) An employer must ensure that a guardrail is secured so that it cannot move in any direction if it is struck or if any point on it comes into contact with a worker, materials or equipment. ## Hoppers, bins and chutes - 316 If a worker can access materials in hoppers, bins or chutes, an employer must ensure the hoppers, bins or chutes have horizontal bars, screens or equally effective safeguards that prevent a worker from falling into the hoppers, bins or chutes. ## Machine failure - 317 If a worker may be injured …