[Notice] Floor Material Removal and Restoration for Under-Floor Wiring

1. Supervisor Assignment

• Floor material removal must be carried out with a supervisor in attendance
• The supervisor shall focus on safety confirmation and surrounding confirmation
• Do not rush with unreasonable scheduling

2. Pre-Work Confirmation

Before starting work, carry out the following:

• Clarify work scope
• Confirm position of surrounding fixtures and precision equipment
• Confirm floor material type and fixing method
• Confirm existing damage, warping, looseness
• Protection around the opening

3. Pre-Work Photos

• Full view before removal
• Photos of existing damage or soiling
• Layout of floor material

Existing defects must be recorded.

4. During Removal

• Do not pry forcibly
• Use dedicated tools
• When lifting floor material, hold with both hands
• Large panels: work with two or more persons
• Removed floor material: lay flat and protect
• No leaning against walls

5. Opening Safety

• Do not leave openings unattended
• Post attention signs around openings
• When leaving, temporary restoration or protection board is mandatory
• Do not place tools or materials in the opening

Fall prevention is the top priority.

6. Under-Floor Work

• Check contact with existing wiring and piping
• Prevent heavy objects from falling
• Dust and swarf measures
• Check interference with other companies’ equipment

7. Restoration Confirmation

• Restore in original position and orientation
• Confirm level difference and looseness
• Confirm gaps
• Confirm wiring is not pinched
• Confirm height with surrounding floor

The supervisor shall perform final confirmation.

8. Post-Restoration Photos

• Full view after restoration
• Finish confirmation photos

Records must be kept.

9. Removal Completion Confirmation

• Confirm nothing left behind
• Confirm opening is restored
• Confirm cleaning

Always be aware that the floor is an area that can lead to accidents.

Detailed Procedures and Methods

Please refer to the following links.

Floor material (OA floor, etc.) removal and restoration standard (Procedure)

Safety and Quality System Top