Case Study:
Omni Lifts - Lift Machine Replacement Project
Equipment:
Left Hand Lift - 6 Floor Scenic Passenger Lift, SWL 630Kgs
Background:
Omni Lifts, a leading B2B lift repair company based in the UK, was entrusted with the task of replacing the lift machine for a six-floor scenic passenger lift located at a hotel in central London. The project aimed to replace the existing faulty machine.
Works To Be Done:
1. Site Preparation: Omni Lifts' team attended the site, received the necessary site inductions, and placed required notices and barriers to ensure a safe working environment. They also carried out the correct positioning of the lift, propped the counterweight, and tackled the lift car.
2. Electrical Isolations: Electrical isolations and Lockout-Tagout (LOTO) procedures were performed to ensure safety during the replacement process.
3. Lifting Equipment Setup: Lifting equipment was meticulously installed, including a set of equipment to be fitted to the lifting beam above the lift machine and another set at the top of the lift shaft to facilitate the removal of the lift machine.
4. Transport and Positioning: The new lift machine was transported to the 5th-floor landing and the work area was cordoned off for safety.
5. Machine Installation: Omni Lifts' team carefully slung the new machine and raised it to the machine bedplate. The alignment of the sheave and machine was executed with precision, following manufacturer procedures.
6. Load Ropes Replacement: As part of the installation, the lift ropes were replaced with new ones to guarantee traction and reduce rope slip. This included replacing rope anchors, clips, and springs as required.
7. Wiring and Control Panel Setup: Brake and machine wiring were connected to the control panel, and encoder wiring was run and terminated into the drive if applicable.
8. Site Cleanup: Upon successful completion of the project, Omni Lifts cleared the site of all equipment, materials, and tools, leaving it in a clean and orderly condition.
Work Completed:
1. Machine Collection: The new lift machine was collected
2. Site Preparation: Upon arriving at the site, the Omni Lifts team received site inductions, placed necessary notices and barriers, and ensured the lift was positioned correctly. They also propped the counterweight and tackled the lift car.
3. Lifting Equipment Setup: Lifting equipment was installed, including equipment fitted to the lifting beam above the lift machine to suspend the lift car.
4. Lifting Eye Installation: A set of lifting equipment was also fitted to the lifting eye at the top of the lift shaft, which allowed for the removal of the old lift machine.
5. Machine Transportation: The new lift machine was transported to the 5th-floor landing, and the work area was barricaded for safety.
6. Machine Installation: The new machine was carefully slung and raised to the machine bedplate. Proper alignment of the sheave and machine was performed according to the manufacturer's procedures.
7. Load Rope Installation: Load ropes were reattached to the machine sheave, and the lift car and counterweight's weight were supported.
8. Equipment Removal: The lifting equipment used during installation was removed from the machine.
9. Wiring and Control Panel Setup: Brake and machine wiring were connected to the control panel. Additionally, a new rescue system was fitted to the lift machine, including the installation of new boden cable, dynamo wiring, and activation switch wiring to the control panel. A foot pedal was also fitted to the controller to activate the brake release, and a successful test operation was conducted.
Project Completion:
Omni Lifts reported that their work on the lift machine replacement project was completed at this stage.
This update highlights the various tasks carried out by Omni Lifts and their collaboration with their client to ensure the successful replacement and installation of the new lift machine, along with associated safety and control system enhancements.
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