VA1-L691-00100-M-M8-DRC-0001(STEAM TURBINE)

1

DOCUMENT SUBMISSION STATUS: AP

A FOR APPROVAL REV DATE DESCRIPTION Submit CHKD APPD

OWNER

OWNERS CONSULTANT

EPC CONTRACTOR

EPC CONTRACTORS CONSULTANT

Fichtner GmbH & Co.KG

FICHTNER GmbH & Co.KG PROJECT TITLE

VUNG ANG 1 THERMAL POWER PLANT 2 x 600MW STG ISLAND

CONTRACT No. 280510 / LILAMA-LILAMA69-1

SUB-CONTRACTOR

DOCUMENT TITLE

Method statement for ERECTION

Steam TURBINE

FUNCTION NAME SIGN DATE SUBMIT Nguyn Vn Trng

CHKD Nguyn Vn Vin APPD Phm Th Kin

DOCUMENT No : VA1-L691-00100-M-M8-DRC-0001

SCALE REV A

VIETNAM OIL AND GAS GROUP (PVN) POYRY ENERGY LTD

VIETNAM MACHINERY INSTALLATION CORPORATION (LILAMA)

LILAMA 69-1, JSC

LILAMA 69-1

Cng ty c phn LILAMA 69-1

LILAMA 69LILAMA 69LILAMA 69LILAMA 69----1 JSC1 JSC1 JSC1 JSC

Add: 17 Ly Thai To street - Bac Ninh city - Bac Ninh province Tel: (0241) 3821212 - 3854396 Fax: (0241) 3820584

E-mail: [email protected] Website: www.lilama69-1.com.vn

Method statement of Installation Turbine Page 1

Tuabine installation Project

Project: Vung an thermal power plant A. Introduction

Vung ang thermal power plant build in the Vung ang zone, ky anh district, Ha tinh province. It consists of two units with a capacity of 600 MW per unit (2x600MW). The owner is Vietnam Oil and Gas Group, the equipment supplers Toshiba Janpan. Viet nam LILAMA Erection Coporation is the general contractor EPC, assigned the task of processing, manufacturing , installing, test run without load and load of equipments. In there, LILAMA 69-1 is responsible for installation of Tuabine-Generator and additional equipments related Tuabine Generator is a high-pressure turbine, condensing pure with intermediate steam superheating. Tuabine includes three parts, high-presure part, medium presure part, low presure A and low presure B are supported on the bearing numbers 1, 2, 3, 4, 5, 6. Tubine is operated and protected by electro-hydralic system to ensure safety in all turbine operating regime

I. Base compiled 1.1Base on the explanatory drawings, tubine-generation installation instructions, take

condensing type VA1-TSB-00M-M-M1B-MAN-8000 1.2 Base on the explanatory and technical drawings of installation of tubine and

generator number 0KS00201-0KS002014. 1.2 Base on the documentation of Tubine generator installation test Record.

II. Brief introduction of specifications of Turbine. 2.1. Turbine-generator are provided by Toshiba Japan, every unit with 600MW capacity, Turbine is a condensing pure type with three parts( high presure, medium presure in the same body, low presure A and low presure B in the separated body)?

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2.2 Main parameters.

2.2.1 Rated Capacity: (MV) 600 2.2.2 Rated turn round speed (V/P): 3000 2.2.3 Number of nozzle diaphragm laminates - 8 nozzle diaphragm laminates for high presure part. (AP) - 7 nozzle diaphragm laminates for medium presure part (IP). - 12 nozzle diaphragm laminates for low presure (LP A). - 12 nozzle diaphragm laminates for low presure (LP B). 2.2.4. Inlet presure of Turbine (Kg/cm2): 169. 2.2.5. Inlet temperature of Turbine (oC): 538 III. Define of abbreviated words

B. Organizational and human Resource Plan. I. Human resource plan for execution of generator installation

Position Quantity Site manager: 01 person - Executive Engineer: 03 persons - Material Officer: 02 persons - Production Foreman: 02 persons - Fitter: 25 persons - Plumber: 12 persons - Wood grain: 16 persons. - Welder: 06 persons - Electrician: 10 persons

- Others: 20 persons

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II. Organizational chart. ORGANIZATION CHART

ERECTION TURBINE

Notice Line instruction; Line information.

PROJECT DIRECTOR DIRECTOR SITE OFFICE POYRY

OWNER (PVN) EPC CONTRACTOR

(LILAMA) CONSULTANT

SUB CONTRACTOR (LILAMA 69-1)

DIRECTOR

Enterspire Erection SAO MAI

Capital Erection Turbine Safety Health Service

Fitter: 20 person Figer: 11 person Electric Welder: 03 person Gas Welder: 03 person Electrician: 06 person Other: 15 person

Group control Bridge Crane: Manager: 01 person Control: 03 person Other : 03 person

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III. Human chart.

Human resource plan for execution of

TUARBINE installation

Person

0

10

20

30

40

50

60

May-11 Jun-11 Jul-11 Aug-11 Sep-11 Oct-11 Nov-11 Dec-11 Jan-12Time

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C: Equipments and tools.

STT Equipment Unit Qty Remark 1 Container 12 fit (for office) Piece 01 2 Container 12 fit (storegrate) Piece 02 3 Welding Machine 6 head Piece 2

4 Cable electric welding 50 90 mm

2 M 800

5 Head electric welding Piece 8

6 TIG welding machine Piece 1

7 TIG welding cables Set 2

8 Chain block 20 tons Piece 4




12 Chain block 1,5 tons Piece 4

13 Chain block hand 3,2 tons Piece 4

14 Grinding machine 125 150 Piece 15

15 Grinding machine 180 Piece 2

16 Oil jack 100 tons Piece 4 17 Oil jack 70 tons Piece 4 18 Oil jack 50 tons Piece 4 19 Oil jack 20 tons Piece 4

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20 Bosch Drill Piece 4

21 Drill 3 - 30 Piece 60

22 Cable electric 2 x 2,5 M 500

23 Socket + Plug (electric) Piece 100 24 Rod heator Piece 8

25 Dial Gauge (EX 0,01) Set 12 26 Level vial (EX 0,01) Piece 2 27 Level construction Piece 10

28 Electric Boot 70 Set 8

29 Electric Boot 150 Set 2

30 Calip (CX 0,02) L > 350 Piece 2 31 Calip (CX 0,02) L=250 Piece 1 32 Deep rule (CX 0,02) L>300 Piece 1 33 Panme 0-25 (CX 0,01) Piece 2 34 Panme 25-50(CX 0,01) Piece 1 35 Panme 50-75(CX 0,01) Piece 1 36 Panme 75-100 (CX 0,01) Piece 1 37 Panme 100-250(CX 0,01) Piece 3 38 Panme 300 Piece 1

39 Panme inner 25-500 Set 1

40 Depth Micrometer 0- 2" Set 2

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41 Roll rule tape 3m; 5m Piece 20

42 Roll rule tape 50m Piece 2

43 Hammers 0,5-7kg Piece 8

44 Hammer Cu t 3-7kg Piece 6

45 Rubber hammer Piece 3

46 Adjustable Spanner 250; 500 Piece 6 47 Socket 8- 32 Set 2

48 Spanner 8-32 Set 2

49 Spanner 42- 76 Piece 8

50 Hexagon key wrench 1/8"-3/4" Set 2

51 Cutter for rivet Set 1

52 Jyg for rivet Set 1

53 Steel saw + Wood saw Piece 6

54 Feeler gauge 0,03-1 mm Piece 8

55 Feeler gauge 0,5-2 mm Piece 4

56 Feeler gauge wire 0,03-1 Piece 6

57 Force wrench 1000Nm Piece 1

58 Force wrench 500Nm Piece 2

59 Shalke 20 tons Piece 4



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63 Knifte Piece 8

64 Square Level 300x600 mm Piece 1

65 Square Level 150x100 mm Piece 1

66 Straightedge 1m Piece 2



69 Straight table (300x500) n (600x1200) Piece 5

70 Clamp table (vise) Set 1 71 Tranfomer 36V (cable + 10 light) Set 1 72 Wire Rope 32 (4m) Si 4 73 Thickless gauge Set 1

74 Grind stone 600 (40x60x200) Piece 8 75 Grind stone Oil 10x10x100 Piece 20

76 Grinding pressure Piece 4

77 Grinding machine Piece 1

78 Compressor machine Set 1

79 Measure gap machine Set 1

80 Audio ampelier Set 5

81 Remark flour Kg 10

82 Color flour Kg 5

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83 Grease kg 40

84 Oil diezen lt 200

85 Oil lt 200

86 Oil P4 lt 10

87 Sand Paper Sheet 200

88 Clout kg 500

89 Anti-rust sweep Piece 1000

90 Safety Clother Set 10

91 Wire 0.5 kg 20

92 Support Wire on Set 4

93 Theodolite Set 1

94 Y - Level Set 1

95 Knift Piece 6

96 Font Number 10 Set 1

97 Flour kg 20

98 Polyme wire 22 M 100

99 Crane TADANO 50 ton Piece 01

100 Bridge Crane Piece 01

101 Truck crane 10 tn Piece 01

102 Truck Piece 01

103 Tool hand Set

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D. Generator installation method 1. Turbine installation sequence.

1.1- Zoning, selecting the foundation to transport Turbine into the foundation installation.

1.2. Leveling, compacting, constructing a way to transport Turbine into the position.

1.3. Acceptance of foundation.

2. Turbin installation. 2.1. Installing the benchmark on the foundation of Turbine 2.2. Carve rough concrete on the foundation of Turbine. 2.3. Receive, check and clean the equipments 2.4. Installing sole plates ( steel baseplate of Turbine) 2.5. Combine and install cylonder on the outside bottom of the low presure of Turbine A&B. a- Select the cable to hoist equipments. b- Hoist and install the cylinder on the outside bottom of the low presure of Turbine A&B. 2.6. Install the cylinder on the inside bottom of the low presure of Turbine A&B. 2.7. Install the nozzle diaphragms into the bottom of the cylinder of the low presure A&B. 2.8. Install and alignment Bearing Standard 1 2 3 4 5 6. 2.9. Install the cylinder on the outside bottom of the high-medium presure. 2.10. Install nozzle diaphragm into the high-medium presure of Turbine. 2.11. Pour non-shrinkage mortar into the cylinder of the low presure A&B. 2.12. Install Rotor low presure A&B.

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2.13. Align shaft coupling between Rotor low presure A and Rotor low presure B, rotor high presure and rotor low presure A. 2.14. Install nozzle diaphragm on the top of the cylinder of the low presure. 2.15. Break off Turbin low presure A&B. a- Break off the cylinder inside of the low presure A&B. b- Break off the cylinder outside of the low presure A&B. 2.16. Install Rotor high presure. 2.17.Align shaft coupling between Rotor low presure A and Rotor high presure. 2.18. Install nozzle diaphragm on the top of Turbine high presure. 2.19. Break off Turbine high presure. 2.20. Bolts installed and secured by heat. 2.21. Installation steam system and extraction. 2.22. Installation to connect the oil piping systerm.

2.23. Installation the control and measuring equipment.

II. Installation procedure. 1.1- Zoning, selecting the foundation to transport turbine into the most convenient position for installing, sufficient road width for vehicles and cranes to move safely and must have signposts.

1.2- Aggrading, compacting, making a way to transport Turbine into the installation foundation. 1.3. Acceptance of machinery foundation, possession of site plan from building contractor, check centre and altitude of the machinery foundation, to ensure specifications as the drawings. The building contractor will supply the as-constructed drawings. A permissible error of the foundation dimesion. + Foundation coordinates (cross-crisis) 2mm + Level deviation 20mm.

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+ The horizon of the entire lengths surface 10mm. + Bolt hole of machine base +20mm. + Bolt hole of machine base center 5mm. + Inside of bolt hole must be cleaned, error of the centre of bolt hole and the centre of foudation is 0.01d. (in there, d is a inner diameter of steel pipe) and 10mm, error of squarness

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bench mark

detail

bench mark

lp A lp B

generator

hip

Figure 01

2.2 Carve rough concrete on the suface of turbine foundation. - Check altitude of turbine foundation, after that note down make report. Drafting

for carving rough concrete on the foundation. - Use a gradienter to carve rough powder out of the surface of concrete, depth

30mm. - Concrete carved rough to put into sole plate, carving deep enough, wider than

edges of sole plate from 150 to 200mm, the surface of carved rough concrete must be flush, roughness from 10mm to 20mm and bolt hole-casing be cut higher about 6mm than concrete surface.

- Pouring sika plate (support plate 50x50x6) in the M36 adjusted bolt position.

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- The concrete sufaces can be clean by air compressor and exhauster.

2.3. Receive, check and clean equipments. - After turbine house is roof covering. - When receipt of equipments, transport equipments on the floor turbine height

24500mm (the floor turbine is roof covering), check equipments to follow the list after dismouting and clean, maintain all of equipments, check the position, built-up dimesions, note down make report of quantity, measuring data and in comparision with the design, which supplied by manufacturer.

2.4. Install and adjust sole plate ( steel shim of turbine). - Checking, classiffication, installation position of sole plate. - Reject oil preservative film out of the top and the bottom of sole plate by oil, oil

stone, soft wiper.

- Use oil stone shine surface of sole plate.

- Use a bridge crane to put sole plate into the installation position as the drawings. - Install anchor botls, anchor bolt head is higher at least 3 threads than screw,

anchor bolt-head is lower at least 3mm than surface of sole plate. - Use a gradienter observe the balance of sole plate, adjust sole plate lower than

0.05mm as level of drawings. 2.2 Carve rough concrete on the suface of turbine foundation.

- Check altitude of turbine foundation, after that note down make report. Drafting for carving rough concrete on the foundation.

- Use a gradienter to carve rough powder out of the surface of concrete, depth 30mm.

- Concrete carved rough to put into sole plate, carving deep enough, wider than edges of sole plate from 150 to 200mm, the surface of carved rough concrete must

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be flush, roughness from 10mm to 20mm and bolt hole-casing be cut higher about 6mm than concrete surface.

- Pouring sika plate (support plate 50x50x6) in the M36 adjusted bolt position. - The concrete sufaces can be clean by air compressor and exhauster.

2.3. Receive, check and clean equipments. - After turbine house is roof covering. - When receipt of equipments, transport equipments on the floor turbine height

24500mm (the floor turbine is roof covering), check equipments to follow the list after dismouting and clean, maintain all of equipments, check the position, built-up dimesions, note down make report of quantity, measuring data and in comparision with the design, which supplied by manufacturer.

2.4. Install and adjust sole plate (steel shim of turbine). - Checking, classiffication, installation position of sole plate.

- Reject oil preservative film out of the top and the bottom of sole plate by oil, oil stone, soft wiper.

- Use oil stone shine surface of sole plate.

- Use a bridge crane to put sole plate into the installation position as the drawings. - Install anchor botls, anchor bolt head is higher at least 3 threads than screw,

anchor bolt-head is lower at least 3mm than surface of sole plate. - Use a gradienter observe the balance of sole plate, adjust sole plate lower than

0.05mm as level of drawings.

sole plate sole plate

edgestraight 5Mlevel vial

foundation

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Figure 02

- Make sole plate balance, insert steel pad block under sole plate, number of steel pad block from 3 to 5 plates.

- Steel pads must be good contact, tight, use measuring tape 0.03 to cram inside, if it can not cram that mean to meet requirements.

- Use colouring matter check to connect of sole plates surface, connection 80%. - Align sole plate of low presure of turbine, use a measuring rule, magnetic support,

mechanic level CX 0.02. - Level out balance between sole plate with error 0.10. - Level out balance inside of sole plate 0.03. - Secure bolts to fix sole plates, secure bolts on the same plate steadily, during

securing process, always check balance and altitude of sole plate regularly, - Invitation related parties to check before acceptance, record data and prepare for

installing cylinder in the bottom of low presure A and B.

2.5. Combine and install cylinder in lower parts outer of low presure A&B. - Received equipment from yards, carried on special purpose vehicles, forcing the

tight ligaments prevent leakage during transport, hoisting gently pull collisions do not damage equipment

a. Select cable for hoisting equipments - Select a load test cable to folllow the formula.

Sstator = /MQ

Includes : S (ton) rope cap. Q (ton) Freight. M number of ropes

conner with cable

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Apply the formula above, we have this force sheet. (Table I. Rope cap caculation because of freight)

Works freigh Q (ton)

Number of ropes M

Conner with cable

Rope cap

S (ton) Hoist and install cylinder in lower parts outer of low presure

54 4 30 15,588

Hoist and install cylinder in lower parts inner of low presure

35 4 30 10,103

Hoist and install cylinder in lower parts outer of high-medium presure

55 4 30 15,877

Hoist and break off cylinder outer of low presure

42 4 30 12,124

Hoist and break off cylinder outer of low presure

42 4 30 12,124

b. Hoist and install cylinder in lower parts outer of low presure. From table I above, it is - Combination, condensers weld have completed before carrying out installing

cylinder in lower parts outer of low presure. - Clean cylinder, use soft wiper clean the surfaces oil preservative film, lower

surface of support leg, adjust defects on the surface. - Use a bridge crane in the engine compartment hoist every detail (in lower part of

low presure of turbine and generator) in the position and fit together. These workers are highly skill, skilled workers on hoisting, have already experienced

the pull of heavy cranes, super-length, super-weight, the operator must have a signal whistle. In the process of hoisting, everyone must conform to orders of the commander,

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during hoisting process must use nilon rope in order to retain equipment, put cylinder in the position must be covered carefully , avoid colliding with others.

- Adjust centre, level as techical requirement, use a centerline stringing wire attach on the bracket at both ends of turbine and balancing makes string stretch, use a inside micrometer chech cylinders centre and level as centreline stringing wire, after that note down make report, if have any offsets, should use a jack put cylinder into turbines centre, adjusted error of two joints

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Lower outer casinglp a

weight: 55 tn

wire rope 36.5

Figure 03

Half Lower Inner casing LP A

Half Lower Inner casing LP A

Figure 04

- When the cylinder flipped by the right way.

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- Hoisting the cylinder about 1m, adjust balance on the surface by mechanical level , carry out hoisting into the position.

35000 Kg

W ire Rope 31

Figure 05

- When the cylinder in the installation position, adjusted by a gradiente, theodolite and centreline stringing wire, attach a centreline stringing wire on the support with adjusting bolt 2 ends and a balanced wire strain., use a inside micrometer check and adjust the cylinder follow a centreline stringing wire until meet error requirement in the design, then, invite related parties to accept.

- Measuring data, fabricating provisional shims. - Rest on provisional shims and fix the cylinder, next steps.

2.7. Installation of nozzle diaphragm laminates for lower part of the cylinder low presure A&B.

- Nozzle diaphragm laminates cleaned by oil, wire brush and rubbing stone, check installing dimension of the nozzle diaphragm laminates (keyholes, joggles).

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- Before installing laminates, must carry out checking parts from the bottom (as keyholes, joggles, cotters) to meet a technical requirements.

- Laminates fixed without sink, cracks because of casing, processing part keyway must be flat and parallel.

- When install laminates, must be clean grease and lead powder layer is applied. - Installation of laminates must comply with the sequence, hoist gently, need to use

a special purpose catch, the commander must be highly skill to handle in the hoisting process accurately.

- Adjust laminates centre and level, use a theodolite, a centreline stringing wire, earphone, micrometer gauge check error of the laminate, make schedule, need to adjust the centre, level of laminates as the turbines centre and level.

- Laminate adjusted and inserted shim into tab, error follow the instruction document for installation.

- Error value for all parts as upper, lower, left, right 0.05mm/m. - Error vertical 0.03mm/m. - Error clearance with the left-right 0.03mm/m - Check daylight of axial and radial, error daylight within crope of permission to

meet request. 2.8 Install and adjust pedestal bearing No 1 2 3 4 5 6 - Clean abutment in the joint position above, below by oil, wire brush, rubbing

stone anf soft wiper. - Measure blocks, keyholes and assembly surface (blocks, keyholes, assembly

surface are smooth and plane. When the technical requirements are met and, error within crope of permission) carry out installing.

- Use a bridge crane in the engine compartment attach to cable and and a pully adjusts the balance (as the figure), after that, hoisting every pedestal bearing into the position.

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Figure 06

- Install blocks to control the fedestal bearings vertical and horizon, install anchor bolts.

- Mating the contacting surface of the pedestal bearing with sole plate, use the coloring matter check the contact, in the same time must continue to scratch until the contact of bearings and sole plate 80% to meet requirements.

- A measuring tape 0.05mm used to cram into the clearances between the pedestal bearing and sole plate, if not cram through is achieved.

- Check and adjustment of sole plates block with the pedestal bearings. + Error of clearance from 0.00 to 0.05 for one side. - Use a theodolite and a gradienter adjust the altitude of pedestal bearing. + Error of level 0.5mm + Total error of bearings: 0.10mm. - Adjust the pedestal bearing, use a inside micrometer take centre line stringing wire

of turbine get be standard, measure the oil seal positions, check amount of deflection of the pedestal bearing, use a hydraulic jack push the pedestal bearing to follow the centre of turbine.

+ Error of radial 0.05mm + Error of axial 0.05mm - Securing anchor botls as the instruction.

Standard

Wire rope

Crane

Chain Block

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* Pouring nonshrink concrete to fix the pedestal bearings. - The concrete sufaces can be clean by air compressor and exhauster. - To nail framework to screen for pouring nonshrink concrete for the pedestal

bearings of turbine. - Mix nonshrink concrete, pour in accordance with the process, compact for concrete

not pock-mark, after pouring process finish, damp for concrete about 72 hours. * Installation of jounal bearing. - Jounal bearing cleaned by oil, soft wiper, use felt burnish assembly positions after

that, carry out measuring specifications. - Check white alloy layer without breach, blow- hole, cinder perlingual and oil bath. - Assembly surfaces horizon of bearings checked by a feeler gauge 0.05mm, sine

elbow and bearings must be close, contact regularly, the contact 80% contact area.

- When pad attached to bearings, use coloring matter mate contact surface of pad and bearings, the contact 80% be reached.

- steel supports which used to adjust pads, are thin steel plates, amount of steel supports from 3 to 5 plates., if there are any oil holes, they must be larger than old holes, note down the thinkness and quantity of every bearing.

2.9 Installation of the cylinder in lower parts outer of high-medium presure (amount of 55 tons). - After the assembly position cleaned and measured to check notches, feather key

for assembly, burnish surface completed, carry out installing. - Use a bridge crane in the engine compartment hoist and flit the cylinder (as the

figure). When the cylinder flipped according to the right way for assembly, attach cable for hoisting equipment out of the screen, adjust pully to keep the cylinder balanced, at once hoisting pully into the position.

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Lower hipcasing

wire rope

wire rope

Lower hipcasing

Figure 07

Select cable for hoisting the cylinder in low pressure, apply the above table Sstator = /M

Q

Includes : S (ton) rope cap. Q (ton) = 55000kg M = 4 ropes = 30o

S = .642.197.0/4

55000 kg=

From the diagram above, we will find rope-cap S= 19.642kg. - Look in the cable table standard of vietnam 4244-86. - Steel cable of HK-PO 8x38(1+7+7+7+14) + 1 deformed bar IOCT 7668-69. - Select cable 36.5mm S rope cap =33203 kg - S tensile force = 19,642 Kg < S rope-cap of cable = 33,203 Kg.

Tensile force compared with rope-cap of cable to ensure safety. - Use a grandienter and theodolite, centreline stringing wire to adjust, measure to get

data for tabulating and comparing with the design.

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- Use a hydraulic jack push up and push down until the cylinders surface is smooth, error 0.05mm/m, in the same time, insert shims to fix it.

- Use a centreline stringing wire, inside micrometer to check error as the axial and the radial. Error of axial 0.10, error of radial 0.05, invite related parties to accept, next step.

2.10. Installation of diaphragm laminates for turbines high-medium presure. - Before installing diaphragm laminates, must carry out checking the below parts (as

keyhole, cut-in catch and joggles) must meet technical requirements. - The diaphragm laminate fixed without sink, bastard breaks, handling prismatic key

must be smooth and parallel. - Laminates fixed without sink, cracks because of casing, processing part keyway

must be flat and parallel. - When install laminates, must be clean grease and lead powder layer is applied. - Installation of laminates must comply with the sequence, hoist gently, need to use a

special purpose catch, the commander must be highly skill to handle in the hoisting process accurately.

- Adjust laminates centre and level, use a theodolite, a centreline stringing wire, earphone, micrometer gauge check error of the laminate, make schedule, need to adjust the centre, level of laminates as the turbines centre and level.

- Laminate adjusted and inserted shim into tab, error follow the instruction document for installation.

- Error value for all parts as upper, lower, left, right 0.05mm/m. - Error vertical 0.03mm/m. - Error clearance with the left-right 0.03mm/m - Check daylight of axial and radial, error daylight within crope of permission to meet

request. 2.11. Pouring nonshrink concrete for the cylinder of low pressure A&B. - The concrete sufaces can be clean by air compressor and exhauster. - To nail framework to screen for pouring nonshrink concrete for sole plates of turbine.

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- Mix nonshrink concrete, pour in accordance with the process, compact for concrete not pock-mark, after pouring process finish, damp for concrete about 72 hours.

2.12. Installation of Rotor for low pressure A&.B. - The Roto of turbine is a device to work in high temperature conditions, rotating at great speed, the processing and manufacturing of high precision while a large load, so in the course of transportation, installation must be careful, in accordance with procedures and regulation documentation provided by manufacturers and under the guidance of the equipment specialists.

- Use special purpose vehicles to transport equipment, when hoisting the origin of component, it must be skided firmly by turn buckle or chain hoist (figure No.08)

ROTOR BOXChainBlock

Wire rope Wood

TRUCK

ChainBlock

Wire rope

Figure 08

- When the equipment to be transported to the installation location of the machine compartment, open the container and invite related parties to check the equipments.

- Flanged coupling make ensure dimensions, without defects, surface reach burnish, bolt hole of coupler must be correct dimension.

+ Trunnion is burnished and correct dimension. + Rotating blades without sinks, defects and plates used to pack must be straight, not

warping. + Cleaned by oil, soft wiper, use felt clean oil preservative film, after that, check all

of specifications again, note down make report.

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Rotor LP B

Support Rotor LP

Wood and cover protect

Rotor LP A

Wood and cover protect

Figure 09

- Hoist rotor of low pressure into the position (Figure No.10). When hoisting must use a bridge crane in the engine compartment, arms, shackles, turnbuckles, special -purpose pullies, they are supplied to follow equipments by the manufacturer.

Wire Rope 32

Beam H300x200

Rotor LP B

Wire Rope 32

Chain Block

Chain Block Chain Block

Rotor LP A

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Figure 10

- Attach to arms, special -purpose cables in the position, where is attaced on the axis of rotor.

- Lifting Rotor up to about 1000mm, a rope clamp rotor, use a mechnical level check the axis, adjust rotor balanced, when rotor balanced to continue to hoist in the position.

- When Rotor is near the position, should adjust a bridge crane dismount slowly, must not knock against laminate absolutely, in the same time, the axis is applied a solid viscid oil film and cleaned before the axis is on the bearing.

2.13. Adjust and check the clearances between rotor and laminate. - Adjust rotor of turbines low pressure, use a micrometer gauge, mechnical level,

centreline stringing wire, feeler gauge adjust the clearances between rotor and laminate according to assembly requirements.

- Check, adjust a daylight of axis of laminate and rotors low pressure, use lever push a laminate to move to follow the axial and radial, note down the specifications and compare with the design, daylight of axis within scope of permission to be reached.

- Check the daylight of axis of rotor, use a jack push and push back, the daylight of axis is about 0.6-0.8mm be reached.

- 2.14. Adjust the coupler of the axis of rotors low pressure A and rotors low pressure B.

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Rotor lp bcoupling

dial gauge

Rotor lp acoupling

dial gauge

Figure 11 - A gauge attached (as the figure above), the flanged coupling divided into 4 points, carry out rotating about fouth of revolution to note down make report, apply this formula, insert shims into bearings A&B.

L1

a1

D

a2

M NL2

A B

Figure 12

A = D

MLL *)21( +

221 aa +

B = D

NMLL )(*)21( ++

221 aa +

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Degree of accuracy of coaxial + Tolerance of radial 0.05mm + Tolerance 0.05mm

2.15. Installation of diaphragm laminates of upper part of the cylinders low pressure.

- Clean the upper diaphragm laminate, check dimensions, notches, key joinings, if reach the design requirements to continue to assembly.

- Diaphragm laminates must install in accordance with the process, hoist gently, need adjusting pulley, the commander must be highly skill to handle in the hoisting process accurately, everybody must comply with the commanders order.

- When the upper diaphragm laminate, we must use a seal check the clearance between the rotating blade and diaphragm laminate, at once use a measuring tape 0.03 check the clearance of assembly surface, if a measuring tape 0.03 isnt cramed into inside, that means to meet requirements. Botls installed and secured by a force spanner, head- bolt locked without rotation, so on until finishing.

2.16. Put on the lid of low-pressure turbine A&B. * Put on the lid of the inner cylinder.

- Similar to hoist the cylinder in lower parts inner of low presure, use a bridge crane in the engine compartment, hoisting cable and shackle applied to the cylinder in lower parts inner of low pressure (as the figure No.13).

- When install to use 4 bolts guide in the bottom part of the 4 corners of the cylinder. - When the cylinder put into the position, seal, check the clearance between

diaphragm laminate and the inner cylinder, the clearance must be met the design, the dilatation produced beacause of movement of engine, at once use a measuring tape 0.03 check the clearance of assembly surface, if a measuring tape 0.03 isnt cramed into inside, that means to meet requirements. Bolt secured to install by heat in accordance with the process, then fixed.

LILAMA 69-1






Xi lanh trong h p na trn

Figure 13

* Put on the lid of the outer cylinder of the low-pressure.

- Cover of the cylinder has been combined to the lower part of the cylinder, use a bridge crane in the engine compartment (attached as the figure No.14)

LILAMA 69-1






upper outer casing lpweihgt: 42 tons

Wire rope 42

Figure 14

- Attached as the figure, applied the formula, we have the result of the above table.

- Select cable for hoisting the cylinder in low pressure, apply the above table Sstator = /M

Q

Includes : S (ton) rope cap. Q (ton) = 42000kg M = 4 ropes = 30o S = .150007.0/

442000 kg=

From the diagram above, we will find rope-cap S= 15000kg. - Look in the cable table standard of vietnam 4244-86. - Steel cable of HK-PO 8x38(1+7+7+7+14) + 1 deformed bar IOCT 7668-69. - Select cable 36.5mm

LILAMA 69-1






- S rope cap =33203 kg - S tensile force = 15000 Kg < S rope-cap of cable = 33203 Kg. - S rope cap =34396 kg - S tensile force = 15000 Kg < S rope-cap of cable = 33203 Kg

Tensile force compared with rope-cap of cable to ensure safety. - Before carry out cover, all the work inside the cylinder has been completed, written

confirmation of the parties. - Use a bridge crane in the engine compartment to hoist, when the cylinder is in the

right position, use a measuring tape 0.03 isnt cramed into inside, that means to meet requirements.

- Bolt installed in accordance with the process, at once, bolt secured symmetrically, must not buckle flanges.

2.17. Installation and adjustment for rotors high-pressure. - The Roto of turbine is a device to work in high temperature conditions, rotating at great speed, the processing and manufacturing of high precision while a large load, so in the course of transportation, installation must be careful, in accordance with procedures and regulation documentation provided by manufacturers and under the guidance of the equipment specialists.

- Use special purpose vehicles to transport equipment, when hoisting the origin of component, it must be skided firmly by turn buckle or chain hoist

When the equipment to be transported to the installation location, open the container and invite related parties to check the equipments, if have any defects or problems, we should take the minutes to settle together, then use a canvas and nylon cover again.

- The rotors rack processed, put rotor on the rack (as figure No 15) - Cleaned by oil, soft wiper, use felt clean oil preservative film, after that, check all

of specifications again, note down make report, carry out installing.

LILAMA 69-1






Support Rotor HIP

Wood + cover protect

Rotor HIP

Wood + cover protect

Figure 15

- Hoist rotor of low pressure into the position (Figure No.10). When hoisting must use a bridge crane in the engine compartment, arms, shackles, turnbuckles, special -purpose pullies, they are supplied to follow equipments by the manufacturer

LILAMA 69-1






Wire Rope 32

BEAM H300x200

Rotor HIP

Wire Rope 32

Chain Block

Chain Block Chain Block

Figure 16

- Lifting Rotor up to about 1000mm, a rope clamp rotor, use a mechnical level check the axis, adjust rotor balanced, when rotor balanced to continue to hoist in the position.

- Adjust rotor of turbines high pressure, use a micrometer gauge, mechnical level, centreline stringing wire, feeler gauge adjust the clearances between rotor and laminate according to assembly requirements.

- Sealing to check the clearance between rotors laminate and diaphragm, note down make report for comparing with the design, continue to adjust until meeting requirement.

- Check, adjust the daylight of axis of the diaphragm and rotor, use a arm push a stationary blade to move to follow the axial and radial, note down the specifications for comparing with the design, the daylight within the scope of pemission.

LILAMA 69-1






- 2.18. Adjust the coupler of the axis of rotors low pressure A and rotors high pressure.

- Use a micrometer gauge ith degree of accuracy 0.01. Check the rotation of axis and note report, adjustment of concentricity of the radial and axial.

- A gauge attached (as the figure below), the flanged coupling divided into 4 points, carry out rotating about fouth of revolution to note down make report, apply this formula, insert shims into bearings A&B.

Rotor lp ARotor hip

dial gauge

Figure 17 L1

a1

D

a2

M NL2

A B

Figure 18

LILAMA 69-1






A = D

MLL *)21( +

221 aa +

B = D

NMLL )(*)21( ++

221 aa +

Degree of accuracy of coaxial + Tolerance of radial 0.03mm + Tolerance of axial 0.03mm - Follow the above formula, we insert shims with the same thickness into A&B

point. 2.19. Installation of diaphragm laminates of upper part of turbines high pressure

- Installation of diaphragm laminate must comply with the process, hoist gently, before installing, every diaphragm laminate adjusted to meet requirement for the clearance and contact, should continue to install the next diaphragm laminate.

- Adjustment of diaphragm laminates centre and altitude. Use A micrometer gauge, seal, feeler gauge to check ad adjust the clearance, asembly, bolt installed and secured by a torque wrench or hammer or lock against rotating.

2.20. Put on the lid of turbines high- pressure - Specifications of the equipment in the cylinder checked, (attached checked

documents). - Clean, check the dimension of keyhole, assembly tabs, apply white-lead on the

surface. - Cover use a bridge crane on the engine compartment, pulley, cable, special-

purpose shackle, attach to cable (as the figure No.19), hoisting up about 1000mm, check cable, the safety of hoisting device, in the same time, istall 4 pilot-pins into turbines lower part. Use mechnical level balance the cylinder, when ensure the safety conditions to continue to hoist the cylinder into the position.

- The cylinder is near the position, far from the flange about 250mm, stop to clean the upper assembly surface and lower assembly surface, after that apply the colloidal film for the assembly surface and continue to get down until 2 flanges touch together.

LILAMA 69-1






half lowercasing hip

wire rope

Figure 19

- Select cable for hoisting the cylinder of high- pressures upper part, apply the above table - Select cable for hoisting the cylinders low- pressure, apply the above table

Sstator = /MQ

Includes : S (ton) rope cap. Q (ton) = 30000kg M = 4 ropes = 30o S = .107147.0/

430000 kg=

From the diagram above, we will find rope-cap S= 10714kg. - Look in the cable table standard of vietnam 4244-86. - Steel cable of HK-PO 8x38(1+7+7+7+14) + 1 deformed bar IOCT 7668-69. - Select cable 36.5mm - S rope cap =33203 kg - S tensile force = 10714 Kg < S rope-cap of cable = 33203 Kg.

LILAMA 69-1






- S rope cap =34396 kg - S tensile force = 10714 Kg < S rope-cap of cable = 33203 Kg

Tensile force compared with rope-cap of cable to ensure safety. 2.21. Bolt installed and secured by heating.

- Bolt for installation must be correct type, nipples greased by white-lead. - Use the colouring matter check the contact surface of nuts of bolt and the cylinder.

The contact must be steady. - Bolt secured symmetrically. - Calculation of conner for securing, heating, secure in accordance with the

manufacturers instruction.

Nut

Bolt

Heater (Gas)

Upper Casing

Lower Casing

NutBolt

Figure 20

2.24. Installaiong of vapor phrase system (steam system) and extraction. * Valve installed into the main steam piping. - Bearing of valve handled definitely and ensure safety (as the figure 21)

LILAMA 69-1






- When valve transported to the foundation for installing, must hoist the entire on the bearing, dismount the plate (which is used to tip the flug of vavle) to clean, check specifications of valve, magnetic.

SHIM

msv (A) (b)

H200x200

H150x150

H200x200H200x200

H200x200

H150x150

Figure 21

- Schedule and record specifications, ensure safety to carry out installing into the postion.

- Use a bridge crane in the engine compartment sling cable as the figure, hoisting into the position, adjustment the valves centre and altitude, in the same time must adjust connetion of inlet pipe and outlet pipe in according with the clearance and junstion standard , after that, use measured steel force to fix valve.

- When valve installed into the position, make report and invite related parties to accept.

- Welded pipe joints, pipe joints must be heated before welding, weld every film steadily, at once must weld symmetrically, welding stick must be correct type and always sured with the correct temperature.

* Installation of extractions - When carry out connecting, must use TIG welding machine, and welding sticks be

correct types.

LILAMA 69-1






MSV (A)

MSV (B)

(A) HANGER

(B) HANGER

CV1

CV2

CV4

CV3

MS-1R

MS-2R

Figure 22

2.22. Installation of connection of the oil piping system. * Installation of the oil pump and oil tank. The oil pump combined with the oil tank. - The oil tank installed into the position, adjust the centre of tank as the installing

drawing. - Dismount the cover, oil screen out of the tank, clean inside of the tank, use wheat

flour clean dust, iron filing, the oil screen blown by the air compressor. - Install and adjust a oil pump, use a bridge crane in the engine compartment to hoist

the pump into the position, use grandienter, theodolite check and adjust the pumps centre and altitude as the drawings.

- Adjust pumps propeller and pump so that the clearance is according to the design, the coupler of the axis of pump and the motor is the same way with the coupler of the axis of turbine-generator.

+ Tolerance of radial 0.04mm + Tolerance of axial 0.04mm * Installation of the oil piping. - The oil piping cleaned and ahed through by acid before carry out connecting. - The flanges must be smooth, correct type, between the flanges must have oil-

resistant washers,the oil tanks input and output must perpendicular to the design acclivity.

LILAMA 69-1






- Piping welded by Tig welding, welded joints must be checked by supersonic and osmosis.

- Installation of the oil systerm has completed,tipped flug bearings run circulately for washing through.

- Installing the control and measuring equipment on the oil piping. 2.23. Installation of the control and measuring equipment. - The control and measuring equipment installed in the correct positon, stored

carefully, avoid colliding, accurate connection with the centre.

F. Safety method. I. Safety in the construction site. 1. Project and establishment at site. After construction site established, commander have to take interest in occupational health and safety, preventation and fighting fire and enviromental protection.

+ Based on the legislation on occupational health and safety, preventation and fighting fire and enviromental protection to make the design parameters. + Planning premises, site huts zone, warehouses, internal transportation, oxygen-

compressed air water- electric supply system. + Establish advantage conditions for laborers (the most possible advantages). - At site: Preventation from sunlight, rain, interval place, take exercise, lavatory

etcin order to create comfort in working to reduce accidents and increase productivity. - At site hut zone: Besides huts are commodious, clean, it should need a collective activities place as refectory, amusement park, lavatories, club-houses, recreation rooms etc

2. Activities at site. Oil pipelines are clean, washed with acid before connecting tube.

STT Description works Time Start Finish

1 ERECTION STEAM TURBINEERECTION STEAM TURBINEERECTION STEAM TURBINEERECTION STEAM TURBINE 315 days? Sun 5/1/11 Sat 3/10/121.1 1- Prepare plant for transportion, erection

Turbine

6 days Sun 5/1/11 Fri 5/6/11

1.2 2- Erection steam turbine. 287 days? Tue 5/10/11 Mon 2/20/12

1.2.1 - Setting Bench Mark on foundation 10 days Tue 5/10/11 Thu 5/19/11

1.2.2 - Chipping concrete on foundation. 6 days Tue 5/24/11 Sun 5/29/11

1.2.3 - Delivery and check, cleaner equipment. 20 days? Wed 5/25/11 Mon 6/13/11

1.2.4 - Setting on Soleplates 7 days Mon 6/20/11 Sun 6/26/11

1.2.5 - Assembly and installation Lower OuterCasing LP A&B

15 days Sat 6/25/11 Sat 7/9/11

1.2.6 - Assembly and installation Lower InnerCasing LP A&B

12 days Fri 7/15/11 Tue 7/26/11

1.2.7 - Install the nozzle diaphragms into thebottom of the cylinder LP A&B.

20 days Tue 8/2/11 Sun 8/21/11

1.2.8 - Install and alignment Bearing Standard 12 3 4 5 6.

20 days Sat 8/27/11 Thu 9/15/11

1.2.9 - Installation Lower casing HIP. 14 days Sat 9/24/11 Fri 10/7/11

1.2.10 - Install the nozzle diaphragms into thebottom of the cylinder HIP

12 days Mon 10/17/11 Fri 10/28/11

1.2.11 - Grout pads for LP A&B. 5 days Mon 10/31/11 Fri 11/4/11

1.2.12 - Installation Rotor LP A&B. 15 days Sat 11/5/11 Sat 11/19/11

1.2.13 - Adjusting coupling of shaft LPA & LPB. 7 days Fri 11/25/11 Thu 12/1/11

1.2.14 - Install the nozzle diaphragms into thetop of the cylinder LP A&B.

4 days Mon 12/5/11 Thu 12/8/11

1.2.15 - Installation LP A&B Upper Casing. 5 days Fri 12/9/11 Tue 12/13/11

1.2.16 - Installation Rotor HIP 12 days Fri 12/9/11 Tue 12/20/11

1.2.17 - Adjusting coupling of shaft LPA & shaftHIP.

10 days Tue 12/27/11 Thu 1/5/12

1.2.18 - Install the nozzle diaphragms into thetop of the cylinder HIP

12 days Tue 1/10/12 Sat 1/21/12

1.2.19 - Installation HIP Upper Casing. 15 days Thu 1/26/12 Thu 2/9/12

1.2.20 - Tighting Bolts by heaters. 5 days Thu 2/16/12 Mon 2/20/121.3 3- Installation steam system and extraction. 20 days Wed 2/1/12 Mon 2/20/121.4 4- Installation to connect the oil piping systerm. 30 days Sun 1/15/12 Mon 2/13/121.5 5- Installation the control and measuring equipment.7 days Sun 2/12/12 Sat 2/18/121.6 6- Flushing oil pipe system. 25 days Wed 2/15/12 Sat 3/10/12

April May June July August Septembe October November December January February March April

schedule of installation turbine

project: thermal power plant vung ang 1

CNG TY C PHN LILAMA 69-1

VA1-L691-00100-M-M8-DRC-0001(STEAM TURBINE)

Documents

Transcript of VA1-L691-00100-M-M8-DRC-0001(STEAM TURBINE)