I am planning to install sheaves in an elevator
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Published by SALUSPre-Task Plan: Sheave Installation in Elevator
Date: [DATE] Work Area: [WORK AREA] - Elevator Hoistway Task Supervisor: [SUPERVISOR NAME]
1. Task Description
Installation of new sheaves within the elevator hoistway, including removal of old sheaves, inspection of ropes, and ensuring proper alignment and lubrication of new sheaves.
2. Task Duration
Estimated Start: [START TIME] Estimated Completion: [END TIME]
3. Personnel Involved
- [ROLE 1] - Elevator Mechanic
- [ROLE 2] - Assistant Mechanic
- [ROLE 3] - Spotter/Signaler
4. Task-Specific Hazards and Controls
| Hazard | Risk | Control Measures |
|---|---|---|
| Fall from height | Serious injury or death | Use full body harness with appropriate lanyard attached to designated anchor points. Ensure proper fall protection training. Maintain three points of contact on ladders [1]. |
| Electrical shock | Electrocution, burns | Lockout/Tagout (LOTO) of elevator power supply before commencing work. Verify zero energy state. Ensure all electrical tools are properly grounded. |
| Dropping tools or equipment | Injury to personnel below | Use tool lanyards to secure tools. Establish a drop zone and barricade the area below the work zone. |
| Moving elevator components | Crushing injuries | Implement and verify elevator lockout/tagout procedures. Use appropriate blocking and securing methods to prevent unintended movement. |
| Rope damage | Equipment failure, dropped load | Ensure sheave grooves are smooth and free from defects. Use close-fitting guards to guide the rope back into the groove [2]. |
5. Required PPE for Today's Task
- Hard hat
- Safety glasses
- Safety shoes
- Work gloves
- Full body harness with lanyard
6. Tools and Equipment Needed
- Sheave puller
- Hand tools (wrenches, screwdrivers, pliers)
- Measuring tape
- Level
- Lubricant
- Tagout/Lockout equipment
- Fall protection equipment
7. Pre-Start Checklist
Area Preparation
- [ ] Barricade the work area to prevent unauthorized access.
- [ ] Ensure adequate lighting in the hoistway.
- [ ] Verify elevator power is locked out and tagged out.
Equipment Checks
- [ ] Inspect all tools and equipment for defects before use.
- [ ] Verify the integrity of fall protection equipment.
- [ ] Check that the sheaves are of the correct size and type.
Communication
- [ ] Conduct a pre-task briefing with all personnel involved.
- [ ] Establish clear communication signals between workers.
8. Task Steps Overview
- Lockout/Tagout elevator power supply.
- Set up fall protection and barricade work area.
- Remove old sheaves.
- Inspect ropes for wear or damage [3].
- Install new sheaves, ensuring proper alignment.
- Lubricate sheaves [2].
- Remove LOTO and test elevator operation.
9. Emergency Response for This Task
- Fall from height → Activate emergency response system, provide first aid, and ensure proper rescue.
- Electrical shock → De-energize the circuit, provide first aid, and call for medical assistance.
10. Task-Specific Precautions
- Never work under a suspended load without proper support.
- Ensure all tools and equipment are properly secured.
- Maintain constant communication with team members.
Pre-Task Briefing Confirmation
All workers understand the task, associated hazards, and required controls.
Team Lead Initials: [___] Date: [DATE] Time: [TIME]
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Sources used for this answer
[1] Occupational Health and Safety Code
Page 75
Open source documentSource excerpt
- (b) the professional engineer's certification makes reference to those components and their identification. ## Containers for hoisting 74 (1) An employer must ensure that a container used for a load being lifted by a hoist is designed for that particular purpose and bears a marking to indicate its maximum load rating. 74 (2) A person must not use an oil drum or similar container as a container for a load being lifted by a hoist unless the drum or container is hoisted in a cage designed for that purpose. ## A-Frames and gin poles - 75 An employer must ensure that an A-frame or gin pole - (a) is not inclined more than 45 degrees from the vertical, - (b) is equipped with a boom stop, and - (c) has the sheave and cap of its rigging attached securely enough to the gin pole to withstand any loads to which the assembly may be subjected. ## Suspended personnel baskets - 75.1 (1) An employer must ensure that - (a) a commercially manufactured suspended personnel basket is erected, used, operated and maintained in accordance with the manufacturer's specifications or specifications certified by a professional engineer, or - (b) a suspended personnel basket that is not commercially manufactured is designed and certified by a professional engineer. - 75.1 (2) Despite section 147, if it is not practicable to provide a separate personal fall arrest system using a vertical lifeline for each worker in the man basket, an employer must ensure that - (a) a separate support is attached between the suspended personnel basket and the hoist line above the hook assembly that is capable of withstanding the weight of the personnel basket, materials, equipment and workers should the hook assembly fail, and - (b) each worker within the personnel basket is wearing a separate personal fall arrest system attached to the personnel basket. ## Cantilever Hoists ## Installation and use - 76 An employer must ensure that a cantilever hoist - (a) is anchored to a building or structure at dista…
[2] Rules for the Administration of the Oregon Safe Employment Act (General Occupational Safety and Health, Division 2, OSHA Oregon)
Page 1695
Open source documentSource excerpt
Division 2 - (iv) Walkways. Where needed, fuel houses and bins shall have a standard railed platform or walkway near the top. - (24) Ropes, cables, slings, and chains. - (i) Safe usage. Ropes, cables, slings, and chains shall be used in accordance with safe use practices recommended by the manufacturer or within safe limits recommended by the equipment manufacturer when used in conjunction with it. - (ii) Hooks. No open hook shall be used in rigging to lift any load where there is hazard from relieving the tension on the hook from the load or hook catching or fouling. - (iii) Work by qualified persons. Installation, inspection, maintenance, repair, and testing of ropes, cables, slings, and chains shall be done only by persons qualified to do such work. - (iv) Slings. Proper storage shall be provided for slings while not in use. - (v) Ropes or cables. - (A) Wire rope or cable shall be inspected when installed and once each week thereafter, when in use. It shall be removed from hoisting or load-carrying service when kinked or when one of the following conditions exists: - (1) When three broken wires are found in one lay of 6 by 6 wire rope. - (2) When six broken wires are found in one lay of 6 by 19 wire rope. - (3) When nine broken wires are found in one lay of 6 by 37 wire rope. - (4) When eight broken wires are found in one lay of 8 by 19 wire rope. - (5) When marked corrosion appears. - (6) Wire rope of a type not described herein shall be removed from service when 4 percent of the total number of wires composing such rope are found to be broken in one lay. - (B) Wire rope removed from service due to defects shall be plainly marked or identified as being unfit for further use on cranes, hoists, and other load-carrying devices.
[3] Safety Standards for General Safety and Health Standards (Chaper 296-24 WAC)
Page 27
Open source documentSource excerpt
\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ - (a) You must ensure that sheave grooves are smooth and free from surface defects which could cause rope damage. - (b) You must provide sheaves carrying ropes which can be momentarily unloaded with close-fitting guards or other suitable devices to guide the rope back into the groove when the load is applied again. - (c) You must ensure that the sheaves in the bottom block are equipped with close-fitting guards that will prevent ropes from becoming fouled when the block is laying on the ground with ropes loose. - (d) You must ensure that pockets and flanges of sheaves used with hoist chains are of such dimensions that the chain does not catch or bind during operation. - (e) You must ensure that all running sheaves are equipped with means for lubrication. Permanently lubricated, sealed and/or shielded bearings meet this requirement. ## Ropes . - (a) In using hoisting ropes, you must follow the crane manufacturer's recommendation. The rated load divided by the number of parts of rope must not exceed 20 of the nominal breaking strength of the rope. - (b) You must ensure that socketing is done in the manner specified by the manufacturer of the assembly. - (c) You must secure rope to the drum as follows: - (i) No less than two wraps of rope must remain on the drum when the hook is in its extreme low position. - (ii) Rope end must be anchored by a clamp securely attached to the drum, or by a socket arrangement approved by the crane or rope manufacturer. - (d) You must ensure that rope clips attached with U-bolts have the U-bolts on the dead or short end of the rope. Spacing and number of all types of clips must be in accordance with (2)(e) of this section. Clips must be drop-forged steel in all sizes manufactured commercially. When a newly installed rope ha…
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