EMC Nuclear Services Building Comprehensive Capabilities

Nuclear Services Building

• 300' Long x 75' Wide x 75' Tall
• 22,500 Square Feet
• 55' Lift Height Under Hook
• 60 ton Lifting Capacity
• Level A Environmentally Controlled
• Maintained at a Negative Pressure
• Stainless Steel 13' by 16' Contaminated Burnout / Bake Out Oven
• Abrasive Blast Booth for Decontamination and SL1 Preparation
• Dedicated Area for Contaminated Steam Cleaning
• 25,000 Lb Dynamic Balance Machine

EMC Nuclear Service Building Staff / Experience

• Reactor Coolant Pump / Reactor Recirculation Motor Full Time Dedicated Staff of Lead Motor Technicians – 25+ years of motor repair, 1st class motor winders – 10+ years of experience and other craft personnel including Machinists, Mechanics, Helpers and HP Technicians
• Forty Chesapeake technicians are Radiation Worker Trained
• 10 RRPM's and 21 RCP's reconditioned/rewound to date
• Staff trained and procedures developed for Westinghouse and GE Reactor Recirculation / Reactor Coolant Pump Motors
• Custom built shipping containers

Motor Testing Capabilities

• Test Stand with 36'x16' T-Slot Base
• 3.75 MVA panel 13.8KV
• Ability to Set-Up Two Motors on Test Stand
• Bearing Cooling Water
• Multi-channel Vibration Analysis
• Multi-Channel Process
• Data Acquisition using Automated Diagnostics for Rotating Equipment (ANDRE)
• Thermal Imaging
• Test Stand has one million pound reinforced concrete mass isolated from the frame – This ensures a very low structural natural frequency for testing
• Capability of virtual witness of motor test run from customer's home or office
• Water Immersion Testing
• Partial Discharge Testing
• Power Factor Tip Up Testing
• Surge, Hi-Pot, Polarization Index, and Megger Testing

Reactor Recirculation / Reactor Coolant Pump Motor Refurbishment

• Stator Restacking included in Rewind Firm Price - Waste Disposal Included
• Compression Plates and Vent Ducts Replaced
• Replacement Laminations Laser Cut
• Final Core Testing
• Flywheel ASME NDE Testing
• Inspect Oil Coolers, lift system, bearing assemblies, and other auxiliary equipment
• Reverse Engineering – Roamer Arm, Solid Modeling, Finite Element Analysis, Manufacture Drawings
• All Services Performed on EMC campus with EMC technicians, including SL1 Program with EMC Qualified Applicators
• Bearing redesign / upgrade eliminating bearing instability (Oil Whirl) issues seen in many Reactor Recirculation Motors
• Available Westinghouse RCP Modifications (Not Inclusive):
  • Truncated Flow Chamber With Existing Viscosity Pump Modification
  • Oil Lift System Modification
  • Lower Bearing Reservoir Level Indicator Modification (Multi-Port Drain Sump)
  • Lower Oil Pot Joint Modification
  • Oil Collection System Mounting Modifications
  • Flywheel Pawl Modifications
  • Flywheel Key Modification
  • Anti-Rotation Shock Absorber Mounting Modification
  • Dual Element Bearing RTD Modification