The document provides information about the capabilities and services of Mitsubishi Hitachi Power Systems Americas' Houston Repair Center (HRC). It summarizes that the HRC has extensive equipment and capabilities for repairing gas and steam turbine components including rotors, interstage seal housings, blades, and diaphragms. It also offers full gas turbine unit refurbishment and has completed repairs for various customers on schedule and on budget.

1. © 2014, Mitsubishi Hitachi Power Systems Americas, Inc. All Rights Reserved.
This document contains Company Confidential and Proprietary information of Mitsubishi Hitachi Power Systems
Americas, Inc. (“MHPSA”). Neither this document, nor any information obtained therefrom is to be reproduced,
transmitted or disclosed to any third party without first receiving the express written authorization of MHPSA.
Houston Repair Center (HRC) Capabilities
01.27.2016

2. © 2014, Mitsubishi Hitachi Power Systems Americas, Inc. All Rights Reserved.
Company Confidential and Proprietary.
Mitsubishi Hitachi Power Systems Americas
(MHPSA) Brief History
Hitachi ( thermal power business )
Mitsubishi ( thermal power business )
Merger ( February 1, 2014 )
Capital ( $1.0 billion ) Annual Sales ( $12.4 billion )
Employees ( 11,0000 )
Lake Mary – MHPSA Headquarters
Orlando Service Center – New Manufacture of Gas
Turbine Blades and Vanes, Repair of Gas Turbine
Components, extensive capabilities
Savannah Machinery Works – New Manufacture of
Entire Gas Turbine Units, Repair of gas and steam
components
Houston Service Center – Repair of gas and steam
components
Field Service Group – Field operations and tool kits
supporting global GT and ST fleet ( 250+ outages /
1,100 manhours estimated for 2015 )

3. © 2014, Mitsubishi Hitachi Power Systems Americas, Inc. All Rights Reserved.
This document contains Company Confidential and Proprietary information of
Mitsubishi Hitachi Power Systems Americas, Inc. (“MHPSA”). Neither this document,
nor any information obtained therefrom is to be reproduced, transmitted or disclosed to
any third party without first receiving the express written authorization of MHPSA.
Houston Facility Brief History
MHPSA signed lease in 2011 for 85,000 sq. ft.
facility on Miller Road No. 2, Houston
Personnel hiring and equipment Installation
started in 2011
First repair job completed in 2012
Equipment additions and commissioning 2011
to present, additional capital equipment
planned
ZERO lost time accidents since opening
Field Service Kits sent to outages around the
country and the world
Hands-on training for MHPSA field personnel
and customers
Planned expansion in 2016

4. © 2014, Mitsubishi Hitachi Power Systems Americas, Inc. All Rights Reserved.
Company Confidential and Proprietary.
Center of excellence for the following key product lines:
Houston Repair Center (HRC) Product Lines
Repair
• Gas and Steam turbine rotors
• Interstage Seal Housings (ISSH’s) – including modifications
• Compressor Diaphragms
• Turbine and compressor blade rings
• Steam, gas and compressor rotor repair and balance
• Steam diaphragm repair
• Emergent field work needing shop support
• Valves and associated components
Parts
• Machined parts in support of gas and steam turbines
Full Gas Turbine Unit Refurbishment

5. © 2014, Mitsubishi Hitachi Power Systems Americas, Inc. All Rights Reserved.
Company Confidential and Proprietary.
Houston Equipment List
Equipment Manufacturer Model Size Weight Cap. (lb.)
Max diameter
(Swing)
Max Diameter
(Machine) Max length
Min speed
RPM
Max speed
RPM Service Date
CNC 100 Ton Lathe MTR 100t NA 144" x 504" 200,000 lb. 144" 144" 480" 1 40
Manual Lathe American 40-J-6 72" x 300" 20,000 lb. 72" 41.5" 300" 6 600 Jun-13
Manual Lathe Kingston HR-3000 40" x 120" 8,000 lb. 40" 32" 120" 8 800 Nov-13
Manual Lathe Kingston HD-2690 26" x 90" 3,000 lb. 26" 18" 90" 4 400 Nov-13
CNC Lathe Mazak QTN 35023KY 60" 2,200 lb. 29.5" 16.54" 63" 1 3300 Feb-14
CNC Lathe Mazak QTN 2502KY 40" 1,540 lb. 24" 13.78" 42" 1 4000 Feb-14
VBM Bullard 108" Dynatrol 108" 40,000 lb. 120" 120" 79" 2.8 rpm 100 Oct-13
Rotor Stacking Tower NA NA
Low Speed Bal. Schenck HM40B NA 6,500 lb. 60" NA NA NA NA Mar-15
Low Speed Bal. Schenck HM60B NA 40,000 lb. 80" 15.75" Journal NA NA NA Mar-15
Equipment Manufacturer Model Size Weight Cap. (lb.)
Max Work
(Length)
Max Work
(Width)
Max Work
(Height)
Min speed
RPM
Max speed
RPM Service Date
Knee Mill Bridgeport Series I 49" x 9" 33" 13" 16" 60 rpm 4200 Apr-13
CNC Mill Mazak VCN 510C2KY 51.1" x 21.6" 2,646 lb. 51 3/16" 21 5/8" 22 1/2" 1 12000 Feb-14
HBM G&L 70H/BFT 15 72" x 144" 60,000 lb. 130" 74" 92" 10 rpm 1,000 Jan-15
Surface Grinder Acer SGS-2448AHD 24" x 48" 48" 23.5" 15.5" NA NA Apr-13
Radial Drill Press Carlton 3A-4153 17" NA 54.5" 42" 38" / 59" 10 rpm 1,000 Apr-13
Walk-in Blast Booth Empire 16'x16'x12' Crane access Nov-13
3 TIG Weld Machines Miller Syncrowave 250 NA May-15
MIG/Stick Weld Machine Miller 452 Nov-15
Overhead Cranes 160 Ton Max Lift
Designed for rotor sizes up to 501G
Total Crane Capacity 460 Tons. 36' under hook height

6. © 2014, Mitsubishi Hitachi Power Systems Americas, Inc. All Rights Reserved.
Company Confidential and Proprietary.
Houston Service Center (HRC) Facility Photos

7. © 2014, Mitsubishi Hitachi Power Systems Americas, Inc. All Rights Reserved.
Company Confidential and Proprietary.
HRC Facility Photos (continued)
ISSH in HBM for
wear strip modWalk-In Blast BoothVTL
Walk-in Blast Booth
Disassembly
Assembly

8. © 2014, Mitsubishi Hitachi Power Systems Americas, Inc. All Rights Reserved.
Company Confidential and Proprietary.
CNC Machining Center
CNC Lathe
CNC Lathe
CNC VMC
HRC Facility Photos (continued)
Sampling of
Parts
manufactured

9. © 2014, Mitsubishi Hitachi Power Systems Americas, Inc. All Rights Reserved.
Company Confidential and Proprietary.
HRC Facility Photos (continued)
501F Rotor in 100-ton lathe
T-Point M501G Rotor Installation
Training Center
Rotor blading
Full Unit Refurbishment
Rotor Stacking Tower

10. © 2014, Mitsubishi Hitachi Power Systems Americas, Inc. All Rights Reserved.
Company Confidential and Proprietary.
HRC is your turnkey shop for ISSH’s
W501F, M501F, M501G including:
I&A
Runouts
Disassembly
Blast Clean
NDT
Inspect and Advise Repair and
Identify Replacement Parts Needed
Repair
Weld Repair as required
Machining (VTL and/or HBM as required)
Wear Strip Modification as requested
Seal Strip Replacement or Modification as requested
Honeycomb Replacement as required
Final Assembly
Final Inspection
Interstage Seal Housing (ISSH) Repair

11. © 2014, Mitsubishi Hitachi Power Systems Americas, Inc. All Rights Reserved.
Company Confidential and Proprietary.
Before
After
ISSH Repair Photos

12. © 2014, Mitsubishi Hitachi Power Systems Americas, Inc. All Rights Reserved.
Company Confidential and Proprietary.
Before In Process After
Significant vane rail wear VTL Groove cut, HBM Add holes Final with strip installed
ISSH Wear Strip Mod

13. © 2014, Mitsubishi Hitachi Power Systems Americas, Inc. All Rights Reserved.
Company Confidential and Proprietary.
Installation of bosses and manufacture of associated components for
combustion dynamics monitoring
501FD2 Top Hat Modification
As Received
As Shipped
Detail
Manufacture

14. © 2014, Mitsubishi Hitachi Power Systems Americas, Inc. All Rights Reserved.
Company Confidential and Proprietary.
Steam Diaphragm Repair
Seal Groove and
Final Seal Machining
Weld and Blend Repair
Seal Installation

15. © 2014, Mitsubishi Hitachi Power Systems Americas, Inc. All Rights Reserved.
Company Confidential and Proprietary.
Gas Turbine Compressor Diaphragm Repair
Seal Groove and
Final Seal Machining
Seal Installation
NDE
Seal
Replacement
Seal
Machining
NDE
Final Coated

16. © 2014, Mitsubishi Hitachi Power Systems Americas, Inc. All Rights Reserved.
Company Confidential and Proprietary.
Rotor Machining and Balance

17. © 2014, Mitsubishi Hitachi Power Systems Americas, Inc. All Rights Reserved.
Company Confidential and Proprietary.
Rotor Machining and Balance (continued)

18. © 2014, Mitsubishi Hitachi Power Systems Americas, Inc. All Rights Reserved.
Company Confidential and Proprietary.
Servo Valve Refurbishment

19. © 2014, Mitsubishi Hitachi Power Systems Americas, Inc. All Rights Reserved.
Company Confidential and Proprietary.
Valve Refurbishment and Upgrades
Honing
Bushing removal
Bushing replacement (3) Types of bushings
replaced per Main
Stop Valve

20. © 2014, Mitsubishi Hitachi Power Systems Americas, Inc. All Rights Reserved.
Company Confidential and Proprietary.
W501FD2 Exhaust
Housing Upgrade

21. © 2014, Mitsubishi Hitachi Power Systems Americas, Inc. All Rights Reserved.
Company Confidential and Proprietary.
Repair Job Examples
ISSH Successes, all on schedule and no quality issues
> 20 M501F and W501F ISSH repair & wear strip
modification completed to date
> 15 M501G ISSH wear strip mod and honeycomb seal
replacement.
501F Tophat Successes
501F Top Hat Modification (5 sets completed, 1 set
forecasted).
Combustion dynamic sensors proved successful for
monitoring.
ExxonMobil - Baytown
Steam unit, casings and diaphragms.
On budget and schedule, worked around the clock to
support delivery, No quality issues.
Exelon Wolf Hollow
Steam unit, diaphragms and rotor machining/balance.
In budget, beat schedule by 5 days, worked around the
clock. No quality issues
Dupont Sabine River
Servo Valve Repair, on schedule and in budget
GT Compressor Diaphragms
2 sets completed, 4 sets in the pipeline, repair and seal
replacement
Vann South
Valve upgrades, remove and install upgraded bushings
Beat aggressive 7 day schedule by 2 days
GT Rotor Experience
W251B8 Inspection, repair and blade repair, coating, LSB
W501F de-stacking
M501F3 Disc Repair and rotor stacking, blading and LSB
W501F & FD2 Belly Band Upgrades
ST Rotor Experience
Machining
Blade Replacement and LSB
PG&E Port Westward
Rotor belly band, IGV modification and recoating
Exelon Wolf Hollow
Gas Turbine, Compressor Diaphragm Repair, Compressor
case hook fit restoration, impingement plate and blade ring
repair.
In budget, beat schedule by 2 days, worked around the
clock. No quality issues
GT Turbine Blade Rings
Disassemble, repair, re-rounding, machining, reassembly