GEO MYEONG POWER CO.,LTD

5 Thermal Power Generation Companies

KOEN Yeongheung Power Div.

· Performed maintenance on ST LPBP Body Seat for #1
· Manufactured & installed core parts of ST MSV & CV for #1/2
· Manufactured rotor & diaphragm stands for #1/2
· Produced key components for ST circulation pumps for #1/2
· Maintained HIP Casing & fixed bolts of MSV/CRV for #1/2
· Maintenance HP, IP Nozzle Boxes & Diaphragms for #1~3
· Maintenance MSV Strainers & Seats for #1~3
· Manufactured & replaced MSI Snout Pipes & Seal Rings for #1~4
· Replaced MSV/CV Seats & Bushings, RSV/ICV components for #1~4
· Manufactured & maintained CWP Assemblies for #1~6
· Maintenance small hydroelectric components for #1~6
· Produced MSV Pressure Seal Head & 3 other parts for #3
· Manufactured & replaced CV Stand Bushing for #3
· Repaired damaged LPSV Pressure Seal Head of BFPT(A) for #3
· Maintained Main Disc & Pilot Valve Seats of MSV & ICV for #3
· Straightened UP & LO Shaft Bending of circulating water pumps for #3/4
· Maintained HP/IP Outer/Inner Casing, Seal Ring, & Nozzle Box for #3/4
· Maintenance BFPT Diaphragm for #3
· Disassembled & maintained Turning Gear for #3
· Designed & manufactured L-0 & L-1 pressure reinforcement plates for #3
· Manufactured CV Stand Sleeve for #3
· Maintained Reject Ash Aeration Blower (Model-OCDL13) for #3/4
· Manufactured/replaced MSI Snout Pipe Seal Ring & maintained 1st Stage Pipe for #4
· Produced LDP Stud Bolt & other components for #4
· Maintained CBP Half Joint surface & Casing for #4
· Manufactured pressure plate for Cross Over Pipe & maintained Air Compressor for #4
· Maintenance MSV, CV, RSV, & ICV for #4
· Maintenance CRV Strainer for #4
· Maintained Nozzle Box, IP 1st-stage, & LP-A, B Diaphragm Partitions for #4
· Manufactured & replaced ICV Upper Head Bushing & Seal Ring for #4
· Manufactured & replaced CV Stand Bushing & Sleeve for #4
· Manufactured & replaced MSV/RSV Pressure Seal Head Bushing & Seal Ring for #4
· Manufactured IP Cooling Pipe for #5/6
· Maintenance old/new HP Nozzle Boxes for #5
· On-site repair of cracked ICV Disc for #5
· Manufactured & replaced MSV & CV Disc, Seat for #5/6
· Manufactured Gate & Main Rotor Shaft for #5/6
· Removed & disassembled seized Blades for #5/6
· Maintained Dice Pilot Valve Seat of ICV for #6
· Replaced CV Lower Stand Bushing for #6
· Maintenance Valves & Diaphragms for #6

KOEN Samcheonpo Power Div.

· Maintained erosion area of ST Inner Barrel for #3
· Manufactured Hood Cir Gib Keys for ST LP TBN (A,B) for #3/4
· Maintenance ST Diaphragms for #3~5
· Maintained erosion area of ST BFPT Main Pump Inner Casing for #3
· Maintained stuck bolts on ST HPSV for #3
· Maintenance ST BFPT Barrel Shaft (Rotor Ass'y) for #3
· Manufactured Major Valves for ST OH use for #3/4
· Maintained ST BFP Main Pump (B) Suction Cover for #3/4
· Manufactured ST CV Disc & inner parts for #4
· Maintained ST BFPT (A,B) Pump Inner Casing for #4
· Maintenance ST HP Inner Casing & manufactured MSI Snout Pipe for #5
· Maintenance ST Nozzle Box for #5
· Manufactured ST LP Hood Spray Nozzle & N2 Packing Ring for #5
· Manufactured main steam valve components for ST #5/6
· Maintenance ST IP Diaphragm for #6
· Maintained ST BFPT-B Diaphragm for #6
· Manufactured ST Piston Ring for #6
· Maintenance ST MSV Strainer for #6

KOEN Yeosu Power Div.

· Manufactured & replaced ST MSV#1 Seat for #1
· Maintained ST CV No.1 Connector Ass'y for #1
· Manufactured ST Finger Pin for #1
· Maintained ST Longitudinal Key & Bolt for #1
· Manufactured ST CV Disc for #4
· Maintained major components of ST MSV for #4

KOEN Goseong Green Power Div.

· Maintained ST BFPT Exhaust Duct for #1
· Maintained ST BFPM Barrel Casing for #1
· Manufactured ST Vapor Fan Flange for #1
· Manufactured ST IP Diaphragm Radial Key & Support Plate for #1
· Manufactured ST CVP Shaft for #1
· Maintained ST BFPT-A Exhaust Duct & Thrust BRG Cover for #2
· Maintained & disassembled ST MSV(RH) & CRV#1 Strainer for #2
· Maintained ST CWP for #2
· Maintained & disassembled ST MSV for #2

KOSPO Gangneung Power Div.

· Improved ST BFP-T(A) Exhaust Duct for #1
· Maintained ST CWP & COP for #1
· Maintained ST N2 Packing Casing, IP, & LP Casing Bolts for #1
· Maintained ST MSV Pressure Seal Head, Cap, & Spacer for #1

KOSPO Yeongdong Eco Power Div.

· Manufactured & maintained ST MSV Pressure Seal Head & related components for #1
· Removed & maintained ST Nozzle Box & IP Diaphragm for #2

KOSPO Bundang Power Div.

· Manufactured & replaced ST HPSV Strainer for #1

KOMIPO Boryeong P.G. Site Div.

· Fabricated/Replaced ST CV Diffuser for #3
· Manufactured MSV#2 Valve components for #5
· Maintenance ST MSV By-Pass Valve for #6
· Manufactured main steam valve components for #7/8
· Fabricated/Repaired ST MSI Snout Pipe for #7/8
· Manufactured ST CV Lever Pins & others for #7/8
· Fabricated Hex Head Socket Bolt for #7
· Disassembled HIP Inner Casing for #7 (Removed Snout Pipe & Seal Ring)
· Manufactured Nozzle Box Key for #7
· Manufactured CV Push Rod Pin for #7
· Manufactured CRV Stud Bolt for #7
· Disassembled ST LP Diaphragm for #7
· Replaced MSV, CV, CRV Seats for #7
· Performed Seal Face maintenance on Feedwater Pump for #7
· Maintained ST CRV Casing for #7
· Manufactured Main Steam Pipe & valve components for #7/8
· Disassembled BFPT-A & B Diaphragms for #8
· Manufactured LP Cross Over Pipe Bolt & Nut for #8

KOMIPO Jeju P.G. Site Div.

· Fabricated/Replaced MSV & CRV Seats for #2/3
· Disassembled & maintained CV Chest for #2
· Manufactured main steam valve components for #2
· Disassembled Diaphragm for #2
· Manufactured & maintained MSV, CV, IV, RSV parts for #2
· Fabricated & maintained IP & LP Casing Bolts for #2
· Manufactured MSV/CV Stem & Seat, CRV Seat for #3
· Fabricated Cover Bolts for MSV/CV/CRV/IV for #3
· Maintained ST Nozzle Box for #3
· Emergency maintenance on IP Casing Bolt, Diaphragm, & Major Valve for #3

KOMIPO Shin Seocheon Con. Site Div.

· Performed sectional maintenance on ST BFPT #B Exhaust Pipe for #1

KOMIPO Sejong P.G. Site Div.

· Dismantled & maintained ST Diaphragm & Casing

KOMIPO Shin Boryeong P.G. Site Div.

· Manufactured & assembled ST Ventilator Valve Seat for #1
· Repaired damaged Back Seat of ST MSV Pressure Seal Head for #1
· Manufactured Balance Weight Holder Ass'y & LPBP Bonnet Stud Bolt & Washer for #1
· Manufactured & assembled ST Valve Seat for #1
· Manufactured ST MSV & CV components for #1
· Manufactured ST Ventilator Valve for #1
· Maintained ST CRV Strainer for #1/2
· Dismantled & maintained ST CV for #2
· Manufactured ST LP Diaphragm stands for #1/2

WP Seoincheon Combined Cycle Power Complex Div.

· Manufactured ST Casing Bolts & Nuts for #1
· Manufactured HP 2nd Stage Bucket & Cover for #1
· Disassembled & assembled ST MSCV Seat for #1
· Manufactured HP 2nd Stage Blades for #1~4
· Dismantled & maintained ST Diaphragms for #1, #3~8
· Maintained ST MSV, RSV Strainers, & Bonnet for #1, #6
· Dismantled & maintained ST MSV Seat for #5
· Serviced ST N2 Packing Box (Upper/Lower) for #8
· Maintained ST Nozzle Box
· Manufactured ST TBN Spill Strip & Packing Ring
· Manufactured ST LSB[A] TE Side Pressure Plate
· Manufactured ST Main Steam Valve parts
· Dismantled & maintained ST MSV, RSV Strainer, & Casing
· Manufactured ST HP MSI Snout Pipe
· Maintained ST BFPT Diaphragm & Casing
· Maintained boiler feedwater pump
· Maintained Air Compressor (A) MTR Base
· Maintained N2 Packing Seal Box / Manufactured N2 Packing Casing

WP Pyeongtaek Thermal Power Complex Div.

· Manufactured ST Main Steam Valve parts
· Dismantled & maintained ST HPCV Disc & Stem Assembly

WP Taean Thermal Power Complex Div.

· Dismantled & maintained MSV Strainer for #1
· Dismantled & maintained HIP & LP Diaphragm for #1~4, #8/9
· Manufactured Casing Bolts & Nuts for #1
· Manufactured HP 2nd Stage Bucket & Cover for #1
· Maintained BFPT LP Control Valve for #1
· Manufactured LPCV & Bypass Valves for #1~4
· Manufactured CV, MSV, & IV components for #2
· Dismantled HIP Inner Casing & Turning Gear for #2
· Dismantled & maintained MSV & CRV Strainers for #2~4, #7/8
· Maintained N2 Packing Box & HP Casing for #3
· Manufactured main steam valve parts for #7
· Replaced CRV Head Cover Stud Bolt & CV Lower Bushing for #7
· Outsourced overhaul of Inner Casing & Nozzle Box for #8
· Manufactured Nozzle Box Gib Key, RSV Spacer Disc, Stem, & Seat for #8
· Replaced RSV Seat for #8
· Maintained Nozzle Box Joint Bolts & Diaphragm for #8/9
· Repaired seized bolts on Outer Casing for #8
· Manufactured & replaced CV Stand Bushing & LPBP SV #A-1 Disc for #9
· Manufactured MSV & CV Seats & Bushings for #9
· Manufactured HPCV & CV components for BFPT #A & #B for #9
· Repaired seized bolts on Major Valve for #9
· Manufactured & replaced MSV & CV Seats & Bushings for #9/10
· Repaired crack damage on LP 18th Stage for #10
· Manufactured & replaced CRV Bushings & MSV Cap Bolts for #10
· Maintained LP 1st Stage Diaphragm for IGCC

WP Gunsan Combined Cycle Power Div.

· Replaced & maintained HPSV (LH) Seat
· Maintained HP SV & CV Valve Seats

KOSPO Busan Combined Cycle Power Site Div.

· Repaired RSV stem, nut, & pin for #1
· 1st RSV CEOT spacer ring for #1
· Manufactured CRV parts for #1
· Repaired CV cross head & stem for #1
· Maintained & removed MSV & CV stem for #1
· Removed #2 MSCV upper head for #2
· Removed MSCV balancing chamber & upper head bushings A & B for #2
· Manufactured #2 SV coupling bolt for #2
· Manufactured MSCV A & B CEOT rings for #2
· Repaired CV cross head & stem pin hole for #2
· Replaced main steam valve for #2
· Repaired CV cross head & stem pin hole for #2
· Manufactured CRV parts for #2/3
· Removed MSCV-A & B strainers for #3
· Repaired seized MSCV stem for #3
· CV cross head for #3
· Repaired MSV stem pin hole for #3
· Removed N1 & N3 packing casings for #3
· Repaired CV disc assembly for #3
· Removed MSV stem & MSV disc assembly for #3
· Manufactured & repaired actuator valve nuts for MSV, RSV, & IV in #3
· Manufactured MSCV spacers for #1, #3
· Machined RSV stem nuts & pins for #3/4
· Manufactured & installed MSCVs for #2~4
· Replaced MSCV seats for main steam valves in #2~4
· Repaired cracks in the internal area of 3CC HRSG HP BCP for #3/4
· Removed MCV stem assembly for #4

KOSPO Shinincheon Combined Cycle Power Site Div.

· Maintained HIP & LP Diaphragms for #1~4
· Repaired damage on HIP Rotor Blade for #1
· Manufactured N2 Packing Casing Gibs & Shims for #1
· Maintenance CRV Strainer for #2
· Replaced Support Bars N1 & N3 for #3
· Replaced Zero Seal in N2 Packing Box for #3
· Maintained N2 Packing Casing for #3
· Maintained HIP TBN Casing for #3
· Manufactured T-2 & T-3 Strainers for #3
· Manufactured & installed CRV assemblies for #1~4
· Installed “Y” on Main & Reheat Steam Line for #1~4
· Installed Packing Box Support & Stoper B for #4
· Replaced Zero Seal on N2 Packing for #4
· Manufactured & installed MSCVs for #2~4
· Maintained CV Stem & Cross Head Ass'y for #4
· Maintained MSCV-A & B Upper HEAD Bushings for #4
· Replaced MSCV Balance Chamber for #4
· Repaired stuck area on MSCV Stem for #4
· Maintenance RSV Stem & Disc Ass'y for #4
· Performed casing maintenance for GT #3/4

KOSPO Hadong Termal Power Site Div.

· Manufactured Ventilator Valve Spring for #1
· Maintained Cover Gland Bushing Assembly for #1
· Manufactured LPBP Gland Bushing for #1
· Maintained & Maintenance MSV Strainer & Bushing for #1
· Manufactured & Maintenance Ventilator Valve for #1
· Replaced TCV Seat for #1
· Manufactured Soot Blower DRN Valve Stem & Bushing for #1
· Manufactured LP Guide Bushing for #1
· Improved MSV Head Cover Bolt fastening for #1~6
· Manufactured Nozzle Box Shim Plate & MSV#2 Bypass Valve for #2
· Manufactured LPBP Guide Bushing for #2
· Maintained damaged LPBP SV Stem, SV, CV Bonnet & Cover for #2
· Performed field maintenance to remove stuck bolts on Nozzle Box for #2
· Maintained BFPT-B Casing Seal Face for #2
· Maintained damaged LP A,B Casing Flange surfaces for #2
· Manufactured MSV#2 Stud Bolt & Gland Bushing for #2
· Manufactured & replaced BFPT HPCV Bushing for #2
· Replaced Disc Bushing & manufactured Main Steam Valve parts for #2
· Maintained damaged LP A,B Inner Casing Flange surfaces for #3
· Maintained stuck bolts on HIP Casing for #3
· Maintained eroded areas of HIP Casing (U/H & L/H) for #3
· Maintained LP Inner Casing Shield Cover Bolt Hole for #3
· Manufactured Grove Valve Bonnet Bush for #3
· Manufactured HP Control Valve Stem & Disc Ass'y for #3
· Maintenance BFPT Diaphragm for #3~7
· Manufactured Main Steam Valve parts for #3~5
· Maintenance MSV#2 Disc Bushing for #4
· Manufactured/replaced Main Steam Valve parts for #4
· Maintenance LP-A Diaphragm on GE side for #5
· Replaced CV Sleeve & MSV #2 Bushing for #5
· Manufactured MSV #1,2 Body Bolt for #5
· Maintained RSV PSH internal Bushing & Seal Ring for #5
· Manufactured TBN Nozzle Box Snout Ring for #5
· Maintained LP Inner Casing Shield Cover Bolt Hole for #5
· Manufactured Piston Ring for #3, #5
· Maintained eroded HIP Inner Casing for #5
· Maintained stuck bolts for #5~8
· Maintenance L-1 Stage Diaphragm for #4~9
· Maintained Turning Gear for #6
· Emergency repair of HIP Casing Snout Pipe & Sealing Ring for#7/8
· Maintenance Nozzle Box for #7

KOSPO Samcheok Thermal Power Site Div.

· Manufactured Balance Weight & LP Bypass Ring for #1
· Manufactured HPBP Valve Stem Guide Bushing for #1
· Maintained HP SV Guide Bushing & Cover for #1
· Maintained LP Gland Packing Casing for #1
· Repaired damaged area of IP Upper Casing for #1
· Maintained MSV Coupling Spacer for #1
· Maintained N2 Packing Casing for #1
· Maintained Diaphragm for #1
· Maintained BFP-T Vapor Extractor Hub for #2
· Inspected & manufactured CV Disc & Arm, & MSV Pin hole for #2
· Maintained LP Gland Packing Casing for #2

KOSPO Namjeju Thermal Power Site Div.

· Maintained ST HIP Casing, RSV RH & LH
· Repaired bolt holes of lower blade ring & HP Dummy Ring
· Repaired fractured & stuck bolts of ST Gland Packing
· Maintained Bearing Cover & Thrust Bearing Shim
· On-site maintenance of ST N1-Lower Gland Packing Casing
· Manufactured parts for MSV, GV, & RSV assemblies
· Disassembled & maintained RSV RH & GV

KOSPO Yeongnam Power Div.

· Manufactured ST IPSV Spring Box, HPSV parts, & Bonnet Guide Bushing
· Manufactured parts for ST IPCV Pilot Valve
· Maintained ST CWP Assembly
· Manufactured ST HIP Casing, HIP Blade Ring, & Shield
· Disassembled & maintained ST LP1st-stage Diaphragm & Dummy Ring
· Maintained ST Blade Ring Liner
· Repaired ST LP1st-stage Groove
· Manufactured & replaced ST HPSV & HPCV parts

EWP Dangjin Power Complex

· Manufactured MSV #2 Disc & Bushing for #1~4
· Maintained Nozzle Boxes for #2, #5/6
· Maintained Diaphragms for #2/3, #6, #8
· Maintained IV Disc & EV Bonnet Bolt for #3
· Maintained LP Gland Packing Casing for #3
· Maintained Snout Pipes for #5/6, #8
· Maintained MSV#2 Disc & Stem Ass'y for #5
· Manufactured Main Steam Valves for #5~7
· Manufactured 11 types including Pin & Washer for #5
· Maintained HIP Upper Inner/Upper Casing for #6
· Maintained Nozzle Box for #6
· Maintained BFPT 4th-stage Upper Diaphragm for #6
· Maintained stuck bolts on HIP Outer Casing for #6
· Tapped HIP Inner Casing Lower Bolt Holes for #6
· Removed stuck bolts & conducted size-up work on MSV Casing for #6
· Maintained Diaphragms for #7/8
· Manufactured Inner/Outer Sealing & Locking Ring for HP Casing for #8
· Manufactured bolts & nuts for HIP Upper Casing for #8
· Manufactured bolts & nuts for N1,3 Packing Casing for #8
· Manufactured Gib Key for Nozzle Box for #8
· Removed & manufactured bolts at TC Assembly area for HIP & LP Casings for #7~9

EWP Honam Power Complex

· Performed blasting & bonnet maintenance on ST MSV Strainer for #6

EWP Ulsan Power Complex

· Removed & maintained ST Upper Diaphragm for #3
· Replaced ST HPCV Pilot Valve for #3
· Replaced ST HPSV Bonnet Lower Bushing for #4

EWP Ilsan Power Complex

· Repaired crack in ST LP Diaphragm
· Maintained ST 2CC HPCV

EWP Donghae Bio Power Complex

· Supplied spare parts for circulating water pump maintenance for ST #1/2
· Maintained ST CWP & COP for #1/2

EWP Donghae Power Complex

· Removed & maintained ST CWP spider, shaft, & related components for #1/2

EWP Pyeongtaek Power Complex

· Removed & maintained ST PSV bearing support
· Manufactured ST A01 bearing

KHNP

KHNP7 Hanbit Nuclear Power Plant

· Maintained sealing area of HP Outer Cylinder for #1
· Maintained Gland-Seal Ring Retainer of LP Turbine A for #1
· Maintained Diaphragm of Main Feed Water Pump (MFWP) for #1
· Developed WPS for MFWP Turbine Diaphragm for #1
· Removed & maintained HP Diaphragm for #1
· Removed & maintained MFWP Casing & Diaphragm for #1
· Maintained GSE141F1 filter assembly surface for #1, #3
· Removed & maintained Rotor Stand for #1, #4
· Maintained Upper Head of LP combined intermediate valve for #3/4
· Manufactured & installed vibration/stress test equipment for LP turbine final stage blades
· Manufactured MOP Seal & Wear Ring for turbine
· Maintained plug & seat ring for FC-UV008
· Maintained high-pressure control valve of main feedwater turbine
· Maintained LP Gland Seal Ring Retainer
· On-site maintenance of GE-side Lower Diaphragm in #6 LP-C
· Removed & maintained Main Pump Diaphragm & Nozzle Box for #6

KHNP7 Kori Nuclear Power Plant

· Manufactured HP Casing Seal Key & Spring for #3

KHNP7 Hanul Nuclear Power Plant

· Maintained & disassembled ST Rotor Stand for #1/2
· Maintained LP “A” Diaphragm for #4
· Disassembled Main Pump Casing & Diaphragm for #5/6

GE

· Maintained HP 1st stage Bucket Root pin for Hanbit Unit #1
· Disassembled HIP Casing & maintained MSV/CV Seat for POSCO Pohang #5–6
· Maintained MSV Header for POSCO Pohang #5
· Disassembled HP & LP Upper/Lower Casing for POSCO Pohang #7/8
· Manufactured fixing Bolts & Nuts for ST Boring Machine at POSCO Pohang #8
· Replaced ST CV Seat for POSCO Pohang #8
· Adjusted Packing Head of ST1 at POSCO Pohang
· Repaired crack on ST HP Lower Casing at POSCO Pohang
· Supplied 5 types of consumable welding materials for POSCO Pohang

POSCO Co., Ltd.

POSCO Co., Ltd. Gwangyang Steel Works

· Disassembled ST MSV
· Disassembled ST MSV, GV, & MSCV Upper Head for #1
· Manufactured MSV & GV Valve components for #1~8
· Disassembled MSV & GV Valves for #1, #3/4 (By-product Gas Power)
· Repaired HP Upper Casing crack & H/J surface for #1
· Manufactured & maintained boiler safety valve Disc
· Localized development of ST IP 1st & 2nd Blade
· Disassembled ST TBN Diaphragm
· Disassembled ST MSV Stem & Disc Ass'y & Strainer
· Maintained ST TBN Diaphragm & Rotor
· Disassembled ST 2CDQ Steam Turbine rotating blades
· Manufactured L.O Pump Guide & Seal Ring
· Manufactured RSV Disc & other components for #2
· Restored main steam valve performance for #2~4
· Disassembled MSV Bonnet of main steam valve for #2, #5~8
· Replaced MSV Seat on main steam valve for #6
· Maintained ST HP Casing Bolts for #7

Siemens

SK Hynix Icheon Power Plant

· Disassembled ST HIP Outer Casing
· Maintained ST Sealing Segment

SK Hynix Cheongju Power Plant

· Disassembled ST HIP Outer Casing (Lower & Upper)
· Maintained ST Seal Ring Segment
· Maintained Lower Nozzle of ST HIP Outer Casing
· Repaired ST Rotor
· Maintained ST HIP Inner Casing, L-Ring & Thread Ring

SK Hynix Yeoju Power Plant

· Disassembled ST HIP Outer Casing (Lower & Upper)
· Maintained ST Sealing Segment

Gwangyang SK E&S

· Disassembled ST IP, HIP Diaphragm, & Gland Packing for maintenance
· Maintained ST MCV & CRV Valve Seat
· Manufactured internal parts for ST CMV & CRV
· Maintained ST CMV & CRV Seat & Upper Head
· Disassembled ST Rotor Support Block & Gland Packing
· Replaced ST RSV Actuator Union
· Replaced ST CMV-A Sealing Ring
· Maintained ST HP Diaphragm

Dongducheon Dream Power Co., Ltd.

· Reconditioned 2nd-stage Rotor Assy of fuel gas compressor
· Manufactured main steam valve parts for ST #1/2
· Manufactured ST IPSV Bushing, LVDT LOD, COP Impeller Balancing, & Hex Nuts for #1
· Repaired erosion damage on IPCV Seat (Blocks 1 & 2) for ST #1/2
· Maintained & replaced ST HPSV & IPCV Bushing for #2
· Manufactured ST FGC Main Shaft Assy & reconditioned outer housing of gearbox for #2
· Fabricated jig for disassembly of multistage pressure reducing valve
· Balanced Stage 1 Rotor of ST FGC
· Maintained ST IPCV Valve Disc
· Disassembled ST COP & CWP for maintenance

Pocheon Power

· Machined the steam inlet pipe face of HP casing for ST #1
· Planned B/L maintenance for #2 (including Tad Stud Bolts)
· Maintained ST Bypass Ventilator Valve for #2
· Manufactured spare parts for ST MSCV & BVV maintenance on #2

GS Pocheon Green Energy

· ST HPCV Seat Manufacturing & Assembly
· ST LP Rotor Stand Manufacturing

Korea Electric Power Corporation Research Institute

· Rotor Bending Correction Device Process Development
· Bucket Cover Welding Validation Testing & Demonstration Bucket Cover Welding Maintenance Technology Development
· ST Spin Tester Manufacturing

KEPCO KPS Co., Ltd.

· Sudan KNPS #3,4 S/T Carrier Maintenance

GS Donghae Power Co., Ltd.

· Manufactured HPU oil transfer tank
· Manufactured & maintained ST CWP shaft & impeller
· Constructed ST CWP-D motor pedestal
· Maintained ST CV & OLV components
· Removed stuck bolts on ST
· Corrected shaft bending on small hydro turbine
· Maintained ST CVP heat exchanger
· Manufactured & replaced ST CWP impeller ring
· Maintenance ST butterfly valve

Suwan Energy

· ST MSV, GOV Removal Maintenance
· ST HP Casing Removal Maintenance
· ST GV Piston Ring Manufacturing

GS Power Anyang

· Manufactured & maintained ST MSV & CV components
· Machined ST IP casing pin hole & Maintenance packing casing

Goseong GGP

· Removed & re-tapped stuck bolts of ST #1
· Maintained stuck bolts on ST #2 NO.3 Bearing Cover

Daeryun Power Co., Ltd.

· Generator Maintenance Equipment (Rotor Stand, etc.) Manufacturing
· ST MSV Stem & Nut Pin Hole Maintenance
· ST Main Steam Valve Internal Part Components Manufacturing

CGN Yulchon Power

· ST HPSV Bushing Manufacturing Replacement Maintenance, etc.

Seoul Energy Corporation (Nowon Cogeneration)

· ST Bolt Manufacturing

Lotte Chemical Co., Ltd. Daesan

· A105-JDT Turbine Rotor Maintenance
· A105-JDT Turbine Shaft Manufacturing
· NC 108-JAT Turbine Rotor Maintenance

BHI(POSCO Pohang#7)

· Maintained ST LP Casing V/J surface for POSCO Pohang #7

Hyundai Engineering & Construction Co., Ltd.

· Vietnam Mong Duong 2 HIP TBN Casing Stuck Bolt Maintenance

Hyundai Heavy Industries Co., Ltd.

· Turbine Generator Overhaul Maintenance

Daedong IM Co., Ltd.

· Sudan KNPS PH1 TBN Last Blade Manufacturing

Busan Fashion Center

· Turbine Rotor & Carrier Blade New Manufacturing & Replacement
· Gear Unit Maintenance

Byeollae Energy

· ST HP 3rd Stage Blade & Diaphragm Maintenance

Korea Plant Service

· Performed ST HIP Rotor Blanding for Rabigh #2

Gimhae Incineration Plant

· Manufactured ST Turbine Blade & Disc

GEO MYEONG POWER.CO., LTD.

Performance

Business Performance