Underground 24Wk Pump Stations VFD Inspection (DN:10000399290)

• The purpose of this SWI is to provide sufficient procedure and information for performing planned offline semi Annual electrical inspections on the pump stations’ VFDs. This procedure applies to the Underground pump station Pumps’ VFDs. 40013922VFD3001 40013922VFD3041 40013922VFD2061 40013922VFD3002
  40013922VFD3042 40013922VFD2062 40013922VFD3011 40013922VFD2031
  40013922VFD2011 40013922VFD3012 40013922VFD2032 40013922VFD2012
  40013922VFD3021 40013922VFD2051 40013922VFD2021 40013922VFD3022
  40013922VFD2052
  Approximately 1 Hour. Document number: 10000399290 Effective date: 09/01/2024 Document owner: UG AM Superintendent Site name: Kennecott Underground Department: Asset Management
  Please see attached SWI for Underground 24Wk Pump Station' VFD Inspection.

• Please read above attached the SWI for Underground 4WK Pump Station VFD Inspection.

  Yes

  No

  N/A
Conducted

• Conducted on

  Date

• Inspected by

• Work Order number

• Location

• Qualification: Electricians - Trained, competent and authorized for the task.

  Yes

  No

  N/A

HEALTH, SAFETY & ENVIRONMENTAL CONSIDERATIONS

Contact with Electricity

• Contact with Electricity
  Please follow below CRM controls
  • Flame & Arc Flash-resistant clothing with CAT 2 Rating.
  • Identify and control the hazards to complete Critical Control Checklists.
  • Avoid contact with live equipment.
  • Follow Electrical Safety Procedure.

  

Slip, trip, and falls

• • A high standard of housekeeping shall be always maintained to prevent trip hazards.
  • Be wary while walking around the pumps, motors, and other live equipment as the area might be slippery.
  

• Use appropriate PPE

  Yes

  No

  N/A

Visibility and lightings

• Use a headlamp or flashlight when working at the pump station

  Yes

  No

  N/A

Force

• • Regular rest
  • Use appropriate tools.
  • Avoid using brute force.
  • Work in a team and ask for help from others

  

• Maintain good communication

  Yes

  No

  N/A

1. PRE-START PREPARATIONS & ISOLATION (MUST FOLLOW C1 ISOLATION PROCESS)

• 1.1 Identify and control the hazards using the TRACK

  Yes

  No

  N/A

• 1.2 Prepare material and tools:<br>Ensure that you have the necessary equipment/tools available at the site:<br>- Required Materials<br>- Required PPE<br>- Maintain good housekeeping<br>Proper Inspection of all tools and equipment

  Yes

  No

  N/A

2. LOCK OUT, TAG OUT & TRY OUT

• 2.1 Follow the lock out, tag out and try out procedures.

  Yes

  No

  N/A

• “HOLD POINT”
  Leader and team members (Subject Matter Expert - SME) must verify the critical control(s) where a critical risk exists

  

• 2.2 Inform the DG supervisor or team lead of the scope of work and that work about to start.

  Yes

  No

  N/A

3. VFD INTERNAL VISUAL INSPECTION

• 3.1 Step Instruction

  

• 3.1 Open the panel door for inspection.<br>Visual Inspection of Wires:<br>Use a flashlight if necessary to inspect the condition of the wires inside the panel:

  Normal

  Fixed

  Problem

• 3.1.1 - 3.1.4 Steps Instruction

  

• 3.1.1 Check Wires Labeling

  Yes

  No

  N/A

• 3.1.2 Check SLD (Single line diagram)

  Yes

  No

  N/A

• 3.1.3 Perform a 30% sample pull test on wiring terminations

  Yes

  No

  N/A

• 3.1.4 Check for Panel Cleanliness

  Yes

  No

  N/A

• 3.2 Look for signs of damage like fraying, discoloration, or overheating of the insulation.

  Normal

  Fixed

  Problem

• 3.3 Step Instruction

  

• 3.3 Check for loose connections at terminals or wire terminations.

  Normal

  Fixed

  Problem

• 3.4 Look for any signs of corrosion on wire connections.

  Normal

  Fixed

  Problem

• 3.5 Check Panels’ doors Sealing, and check if locks are working properly and not broken.

  Normal

  Fixed

  Problem

• 3.6 Check for any damage (chewed wires, droppings).

  Normal

  Fixed

  Problem

• 3.7 Check for signs of water leaks or moisture buildup inside the panels.

  Normal

  Fixed

  Problem

• 3.8 Close the panel door following inspection.

  Normal

  Fixed

  Problem

4. TASK COMPLETION

• 4.1 Clean work area of old or used parts.

  Yes

  No

  N/A

• 4.2 Return all unused parts to the warehouse.

  Yes

  No

  N/A

• 4.3 Clean and return all equipment and supplies to their proper location.

  Yes

  No

  N/A

• 4.4 Clean any used specialty tools and return them to their specified location.

  Yes

  No

  N/A

• 4.5 Is the task fully completed? Notify the DG supervisor that the Pump station's VFD offline inspections are complete, and it is back in operation.

  Yes

  No

  N/A

• 4.6 Report any defects to the supervisors and the planning team.<br>Any repair done must also be recorded.

  Yes

  No

  N/A

• ADDITIONAL COMMENTS:

• Signature

  Sign