HRC Capabilities_01-15-2016

© 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) Capabilities01.27.2016


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 )


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 HistoryMHPSA 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



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



Houston Equipment ListEquipment 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 40Manual Lathe American 40-J-6 72" x 300" 20,000 lb. 72" 41.5" 300" 6 600 Jun-13Manual Lathe Kingston HR-3000 40" x 120" 8,000 lb. 40" 32" 120" 8 800 Nov-13Manual 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-14CNC 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-13Rotor Stacking Tower NA NA

Low Speed Bal. Schenck HM40B NA 6,500 lb. 60" NA NA NA NA Mar-15Low 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-13CNC 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-15Surface Grinder Acer SGS-2448AHD 24" x 48" 48" 23.5" 15.5" NA NA Apr-13Radial 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-133 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



Houston Service Center (HRC) Facility Photos



HRC Facility Photos (continued)

ISSH in HBM for wear strip modWalk-In Blast BoothVTL

Walk-in Blast Booth

Disassembly

Assembly



CNC Machining Center

CNC Lathe

CNC Lathe

CNC VMC


Sampling of Parts manufactured




501F Rotor in 100-ton lathe

T-Point M501G Rotor InstallationTraining Center

Rotor blading

Full Unit Refurbishment

Rotor Stacking Tower



HRC is your turnkey shop for ISSH’s

W501F, M501F, M501G including:

I&ARunoutsDisassemblyBlast CleanNDTInspect and Advise Repair and Identify Replacement Parts Needed

RepairWeld Repair as requiredMachining (VTL and/or HBM as required)Wear Strip Modification as requestedSeal Strip Replacement or Modification as requestedHoneycomb Replacement as requiredFinal AssemblyFinal Inspection

Interstage Seal Housing (ISSH) Repair



Before

After

ISSH Repair Photos



Before In Process After

Significant vane rail wear VTL Groove cut, HBM Add holes Final with strip installed

ISSH Wear Strip Mod



Installation of bosses and manufacture of associated components for combustion dynamics monitoring

501FD2 Top Hat Modification

As Received

As Shipped

Detail Manufacture



Steam Diaphragm Repair

Seal Groove and Final Seal Machining

Weld and Blend Repair Seal Installation



Gas Turbine Compressor Diaphragm Repair

Seal Groove and Final Seal Machining Seal Installation

NDE

Seal Replacement

Seal Machining

NDE

Final Coated



Rotor Machining and Balance



Rotor Machining and Balance (continued)



Servo Valve Refurbishment



Valve Refurbishment and Upgrades

HoningBushing removal

Bushing replacement (3) Types of bushings replaced per Main

Stop Valve



W501FD2 Exhaust Housing Upgrade



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 Successes501F Top Hat Modification (5 sets completed, 1 set forecasted).

Combustion dynamic sensors proved successful for monitoring.

ExxonMobil - BaytownSteam 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 RiverServo Valve Repair, on schedule and in budget

GT Compressor Diaphragms2 sets completed, 4 sets in the pipeline, repair and seal replacement

Vann SouthValve upgrades, remove and install upgraded bushings

Beat aggressive 7 day schedule by 2 days

GT Rotor ExperienceW251B8 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 ExperienceMachining

Blade Replacement and LSB

PG&E Port WestwardRotor 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 RingsDisassemble, repair, re-rounding, machining, reassembly

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HRC Capabilities_01-15-2016

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