13. mark wilmer pumping plant unit1.ppt board meeting/13... · mark wilmer pumping plant unit 1...
TRANSCRIPT
Mark Wilmer Pumping Plant
Unit 1 Overhaul
Scope of Work
• Upgrade Impeller to New Specification• Replace Upper and Lower Wear Rings• Refurbish Motor Stator Insulation• Repair Motor Rotor Pole Braces• Rebuild Unit Discharge Valve• Blast and Recoat Pump Diffuser• Blast and Recoat Pump Pit Liner• Recalibrate all Unit Instrumentation
Unit 4 Disassembled
Stator Winding prior to clean and epoxy coating
Machine Lower Wear Ring
Blast and Coat Pump Diffuser
Pump Diffuser Ring
Head Cover Bolts
13.8 KV Stator Winding epoxy coating to extend insulation life and
improve High Voltage DC test results
Machine major components
Pump Shaft 25,000 LBS
Repaired ImpellerImpeller 14,900 LBS
Head CoverImpeller
Rotor 231,000 LBS
New Pump Impeller
Rebuilt Discharge ValveRebuilt 54” Discharge Valve
Pump Shaft
Impeller Bolts holes
Preliminary Schedule• Unit disassembly to begin June 18th• Ship Impeller by July 9• Remove and rebuild discharge valve • Blast and coat the pump pit• Machine pump pit wear rings• Clean and coat motor stator and rotor • Unit assembly to begin by October 1• Unit assembly complete by November 12• Complete Unit Start-up Check list • Heat Run last week of November• Release for Operations by December 1