Attachment_C_-_Pump_and_Motor_Repair_Scenarios.pdf

Exhibit C – Pump and Motor Repair Scenarios

Scenarios

P1 – Horizontal Split-Case Pump (Goulds) P2 – 7-Stage Centrifugal Pump (Johnston) P3 – 2-Stage Vertical Turbine Pump (Floway)

M1 – 75 HP US Motor Type TVCS4 M2 – 700 HP TECO-Westinghouse Motor Type AMRK-EC M3 – 500 HP US Motor Type JUE

General Notes:

1. Contractor(s) assume that all scenarios shown herein require crane arrangements, transportation from/to West Basin Facilities via flatbed truck, and any other necessary tasks to complete the removal and re-installation of the pump/motor assembly.

2. All material used in the repair, rebuild, or replacement of pump or motor equipment shall meet or exceed all manufacturer specifications.

3. Field pump installation(s) shall meet or exceed pump manufacturers’ recommendations.

Scenario P1

Pump Information Horizontal Split-Case Pump Goulds Pump Model 3410 Impeller Dia: 10.25 X 9.75 Material: 316 SS S/N: 237C693-2

2,100 GPM

30’ TDH

1200 RPM

Pump Repair – Scope of Work:

• Disconnect mechanically and electrically

• Disconnect Pump from base

• Lift/Remove existing pump

• Transport to shop

• Disassemble, clean, and inspect pump

• Provide clearances, and as-found conditions in a report document

• Fabricate new shaft and impeller(s) with 316 stainless steel material

• Fabricate new wear rings and bushings

• Sandblast and 2-part epoxy coat discharge head, volute, and casing

• Assemble complete pump with new couplings, mechanical seal, bearings, gaskets, and O-rings

• Transport pump to West Basin facility and Reinstall Pump

• Perform pump testing with motor alignment as per manufacturer recommendations

• Perform an operational test with vibration analysis as installed

• Furnish a complete report of repairs/replacement and final clearances with vibration results as a part of the report.

Scenario P2

Centrifugal 7-Stage Pump Johnston Pump Model 15GMC

S/N: 93JB1348

2,050 GPM

600 BHP

730’ TDH

1800 RPM

Pump Repairs – Scope of Work

• Disconnect Pump from base

• Lift/Remove existing pump

• Transport to shop

• Disassemble, clean, and inspect pump

• Provide clearances, and as found conditions in a report document

• Overhaul Pump and replace/fabricate:

o Wear Rings – bowls o Wear Rings – Impellers o Thrust Rings o O-ring, nuts and coupling o Shaft o Impeller(s) o Mechanical Seal assembly including bearing and bearing’s stuffing box o Bowl bearings o Sandblast and 2-part epoxy coat bowls, discharge head, columns, and housing

• Transport pump to West Basin facility

• Reinstall Pump

• Perform pump with motor alignment as per manufacturer recommendations

• Perform an operational test.

• Furnish a complete report of repairs/ replacement and final clearances as a part of the report.

Scenario P3

Vertical Turbine Pump (2-Stage) Floway Pump Model 28FKM S/N: 37694-1-1

14,000 GPM

800 BHP

185’ TDH

1190 RPM

Pump Repairs – Scope of Work

• Disconnect Pump from base

• Lift/Remove existing pump

• Transport to shop

• Disassemble, clean, and inspect pump

• Provide clearances, and as found conditions in a report document

• Fabricate new head and bowl shaft with 416 stainless steel material

• Fabricate new bowl, suction bell, packing box, and line shaft bronze bearings

• Fabricate new bowl wear rings

• Supply and install two new impellers

• Sandblast and epoxy coat discharge head, column, and bowls

• Assemble complete pump with new shaft couplings, mechanical seal, shaft bearings, gaskets, and O-rings

• Transport pump to West Basin facility

• Reinstall Pump and perform operational test

• Perform pump with motor alignment as per manufacturer recommendations

• Furnish a complete report of repairs/ replacement and final clearances as a part of the report.

Scenario M1

Motor Information Make: US Motors – Type TVCS4

75 HP, 1780 RPM

ID#: D 10 99083715-001R-02

Rated Voltage: 460V, Rated Amps: 86A Phase: 3, Frequency: 60 Hz Enclosure: TE, Frame: 444VP Configuration: Vertical Duty: Continuous, Insulation Class: F Service Factor: 1.15 Upper Bearing: 7320-BEM Lower Bearing: 6218-JC3 Oil Cap. Upper Bearing: 4.62 Qts.

Approximate Weight: 2,000 lbs

Motor Maintenance Scope of Work:

• Mechanically and electrically disconnect motor

• Arrange for crane service to remove motor from pump

• Load to vendor provided truck

• Dismantle Motor, visually inspect, and report any findings

• Steam clean / bake out / prep all parts

• Inspect all machine fits for proper tolerance and report

• Burn out stator in temperature controlled burnout oven

• Strip and sandblast stator

• Computer core test stator laminations and report

• Take data on AC Stator

• Make coils utilizing quad core inverter duty wire for AC stator

• Insulate and wind AC stator

• Install and connect RTD’s

• Furnish Consumable Rewind Materials

• Connect AC Stator Winding & Test

• Prep for Vacuum Pressure Impregnation

• Perform Vacuum Pressure Impregnation with epoxy

• Bake out stator and clean

• Dynamically balance rotor to 4W/N specification.

• Check heaters for proper operation

• Furnish and install bearings (Old bearings must be returned with motor).

• Assemble Motor

• Test run and perform vibration analysis and report

• Paint to customer specification

• Provide repair report

• Deliver unit back to customer site

• Provide crane for installation of motor to pump

• Furnish Consumable Job Material

• Bump motor for rotation

• Mechanically and electrically connect motor and heaters

• Perform vibration analysis onsite to compare with shop vibration

Scenario M2

Make: TECO-Westinghouse Type AMRK-EC

700 HP, 1189 RPM

Rated Voltage: 4000V, Rated Amps: 89.8A Phases: 3, Frequency: 60 Hz Enclosure: WPII : NEMA Weather Protected Type II Frame # 6806 Duty: Continuous, Insulation Class: F Service Factor: 1.15 Upper Bearing: 29334+6032 (Insulated) Lower Bearing: 6224C3 (Uninsulated) Oil Cap. Upper Bearing: 12.7 gal Approximate Weight: 8,820 lbs

Motor Maintenance Scope of Work:

• Mechanically and electrically disconnect motor

• Arrange for crane service to remove motor from pump

• Load to vendor provided truck

• Dismantle Motor and visually inspect and report any detrimental findings

• Steam clean / bake out / prep all parts

• Growler test rotor assembly and provide report

• Inspect all machine fits for proper tolerance and report

• Burn out stator in over temperature controlled burnout oven

• Strip and sandblast stator

• Computer core test stator laminations and report

• Take data on AC Stator

• Make coils utilizing quad core inverter duty wire for AC stator

• Insulate with double class F insulation & wind

AC stator

• Install and connect RTD’s

• Furnish Consumable Rewind Materials

• Connect AC Stator Winding & Test

• Prep for Vacuum Pressure Impregnation.

• Perform Vacuum Pressure Impregnation with epoxy

• Bake out stator and clean

• Chico leads

• Dynamically balance rotor to 4W/N specification.

• Check heaters for proper operation

• Furnish and install bearings (Old bearings must be returned with motor).

• Assemble Motor

• Test run and perform vibration analysis and report

• Paint to customer specification

• Provide repair report

• Deliver unit back to customer site

• Provide crane for installation of motor to pump

• Furnish Consumable Job Material

• Bump motor for rotation

• Mechanically and electrically connect motor and heaters

Scenario M3

Make: US MOTORS – Type JUE

ID# G68574

500 HP, 1190 RPM

Frame: 5811P TEFC Rated Volts: 4160V, Rated Amps: 65A S/N: W04W0210528R-1 Phases: 3, Frequency: 60Hz Duty: Continuous, 40 Deg. C Amb.

Insulation Class: F Service Factor: 1.15 Lower End Bearing: 7228BACB-2 Upper End Bearing: 6226-J/C3 Oil Cap. Upper bearing: 37 Qts.

Oil Cap. Lower bearing: 4 Qts.

Motor Maintenance Scope of Work:

• Mechanically and electrically disconnect motor

• Arrange for crane service to remove motor from pump

• Load to vendor provided truck

• Dismantle Motor and visually inspect and report any detrimental findings

• Steam clean / bake out / prep all parts

• Growler test rotor assembly and provide report

• Inspect all machine fits for proper tolerance and report

• Burn out stator in over temperature controlled burnout oven

• Strip and sandblast stator

• Computer core test stator laminations and report

• Take data on AC Stator

• Make coils utilizing quad core inverter duty wire for

AC stator

• Insulate with double class F insulation & wind AC stator

• Install and connect 6 platinum RTD’s

• Furnish Consumable Rewind Materials

• Connect AC Stator Winding & Test

• Prep for Vacuum Pressure Impregnation

• Perform Vacuum Pressure Impregnation with epoxy

• Bake out stator and clean

• Chico leads

• Dynamically balance rotor to 4W/N specification

• Check heaters for proper operation

• Furnish and install bearings (Old bearings must be returned with motor).

• Assemble Motor

• Test run and perform vibration analysis and report

• Paint to customer specification

• Provide repair report

• Deliver unit back to customer site

• Provide crane for installation of motor to pump

• Furnish Consumable Job Materials

• Bump motor for rotation

• Mechanically and electrically connect motor and heat