FW-796-SAF-62.20-0030 - 0 Lifting Plan For Oil Transformer [PDF]

Zitiervorschau

Contract No. CMIT-PRT-10.53-180025

EPCC of Water Injection Station

Document No. FW-796-SAF-62.20-0030_0

Lifting Plan for Oil Transformer

7/5/2020

0

04/07/2020

Issued for Approval

Hisham D.

Mohammad Amer

Ahmed Sh.

C

03/07/2020

Issued for Approval

Hisham D.

Mohammad Amer

Ahmed Sh.

B

01/07/2020

Issued for Approval

Hisham D.

Mohammad Amer

Ahmed Sh.

A

26/06/2020

Issued for Approval

Hisham D.

Mohammad Amer

Ahmed Sh. 1|P a g e

Contract No. CMIT-PRT-10.53-180025 Rev.

Date

EPCC of Water Injection Station

Description

Prepared

Document No. FW-796-SAF-62.20-0030_0 Checked

Approved

TABLE OFCONTENTS 1.

SCOPE ................................................................................................................................................. 3

2.

REFERENCES ..................................................................................................................................... 3

3.

Prerequisites ........................................................................................................................................ 3

4.

Transformer details............................................................................................................................... 5

5.

Selection of crane................................................................................................................................. 5

6.

Lifting procedure................................................................................................................................... 9

7.

Working Process: ............................................................................................................................... 13

8.

Details ................................................................................................................................................ 13

9.

HSE Requirements ............................................................................................................................. 15

10.

Appendix A ......................................................................................................................................... 17

11.

Appendix B ......................................................................................................................................... 17

2|P a g e

Contract No.

EPCC of Water Injection Station

CMIT-PRT-10.53-180025

Document No. FW-796-SAF-62.20-0030_0

1. SCOPE This plan describes the hoisting of the Oil transformer in Water Injection Station in BUN, BUS3 and FQS to ensure the safety and quality of hoisting activity.

2. REFERENCES - OSHA1926.1432– 2010“Crane and Derricks in Construction" - OSHA1926.1400-2012 “Certification and qualification requirements for mechanics, inspectors, and testers under the Cranes and Derricks in Construction standards” - OSHA 2236-2002 “Materials Handling and Storage” - CMIT-HSE-60.10-15OP37-1A Lifting Operation

3. Prerequisites 3.1- Requirement for Staff •

Construction staff shall pass related training and safety education.

•

All the construction operators shall be organized to make the technical disclosure before construction.

•

Hoisting signal between hoisting command and crane, crane driver shall be clear.

•

Riggers involved in lifting work shall have related valid operation certificate. Crane driver shall be with corresponding qualifications and valid operational certificate for 120 tone crane.

•

Construction personnel plan

Table 1. Schedule of construction personnel No.

profession

Quantity

1

Commander

1

2

Crane operator

1

3

Rigger

1

4

Banks man

4

Remarks

3|P a g e

Contract No. CMIT-PRT-10.53-180025

EPCC of Water Injection Station

Document No. FW-796-SAF-62.20-0030_0

3.2 - Preparation for Tools and Machines 1) The tools are complete, and the numbers meet the requirements of the lifting. 2) Crane shall be inspected, and in a good condition. 3) The lifting slings and shackles shall be with knotted SWL. 4) Make appearance inspection for rigging and lifting tools (Lifting sling, shackles, the lifting hook and tag line. etc.) before hoisting, and if there is any unqualified, shall be marked. The unqualified items are forbidden to be used for hoisting. 5) The riggings should be placed in ventilated and dry place, and shall not be heated, be affected with damp and shall not contact with acid, alkali and another corrosive medium. 6) Perform non-load test for the crane before lifting.

3.3- Equipment and Material 1) Hoisting machinery and equipment shall be checked qualified. 2) Construction materials should meet the rigging requirement. 3) Crane and rigging equipment shall have a valid third part inspection certificate

3.4- Technical Documents 1) Technical documents of equipment installation diagram have been issued. 2) Construction scheme has been issued and technical disclosure is completed.

3.5- Weather Condition 1) Measure the wind speed before starting work and observe the weather, wind speed shall not exceed 32 Km/h. do not lift when there is bad weather, such heavy fog, snow, rain and thunderstorm. 2) It is strictly prohibited to perform lifting operation at night.

4|P a g e

Contract No. CMIT-PRT-10.53-180025

EPCC of Water Injection Station

Document No. FW-796-SAF-62.20-0030_0

4. Transformer details The details of transformer are shown in the Assembly Drawing that attach in appendix A 5. Selection of crane To select the suitable crane, the lifting parameter have to be identified and compared with the parameter table of the crane to ensure that the capacity of the selected crane is sufficient for the lifting activity. The load parameter is: • The Operating radius = 10 meters; • The boom length = 18.8~22.6 meter; • The boom angle = 58º; • Transformer weight = 25.350 T; • The total weight of the load (weight of the Transformer in additional to the weight of the lifting tools) = 26.02 Comparing the above parameter with the parameter table of 120 Ton crane , the lifting capacity of crane is 34.00 tons , the lifting weight of the Transformer is 25.350 tons in addition to the lifting tools weight 0.670 tons the total weight of load will be 26.02 tons, which meets the requirements of the lifting activity. 120 tons crane is selected to lift the oil transformer for water injection station projects.

5|P a g e

Contract No. CMIT-PRT-10.53-180025

EPCC of Water Injection Station

Document No. FW-796-SAF-62.20-0030_0

The crane parameters are as follows: Parameter Table of 120 Mobile Crane- (AFT- 120-5) FAUN

6|P a g e

Contract No. CMIT-PRT-10.53-180025

EPCC of Water Injection Station

Document No. FW-796-SAF-62.20-0030_0

Working curve of 120 Mobile Crane-(AFT- 120-5) FAUN

7|P a g e

Contract No. CMIT-PRT-10.53-180025

EPCC of Water Injection Station

Document No. FW-796-SAF-62.20-0030_0

Top view of 120ton Mobile Crane

Profile of 120ton Mobile Crane

8|P a g e

Contract No. CMIT-PRT-10.53-180025

EPCC of Water Injection Station

Document No. FW-796-SAF-62.20-0030_0

6. Lifting procedure. 5.1- Before start the lifting activity: - PTW shall be issued prior to start the lifting activity. - Discuss the work with Operators, Slinger and other involved parties where JSA indicates special risks or where a Rigging Study is applicable. - Regular weather forecasts shall be obtained before hoisting work commences - The stability and bearing capacity of the soil where a mobile crane installed or travel on shall be carefully examined and compacted if required. - The responsible lifting supervisor shall inform HSE Manager prior to commencing lifting work whenever wind speeds are higher than 32 km/h. - NO ENTRY” warning signs and guard barriers shall be placed around the hazardous areas (working radius) to restrict unauthorized entry

- Lifting accessories should be clearly marked with the rated capacity. - Lifting equipment must be visually inspected before use with any defects being reported immediately. All lifting equipment shall be available valid inspection certificate 5.2- Lifting:

- Allocate the selected crane (120 ton - Mobile Crane-(AFT- 120-5) FAUN) in the correct position and make it close to the transformer foundation as max as possible to reduce the distance between the centre of the crane and the centre of the load, maximum distance shall be 10 m. - Ensure that the Boom length used and distance between the center of the crane and the centre of the load as per the calculation. - Adjust the hock of the crane at the center of the transformer when the crane boom is opened with correct length and angle. - Adjust the transformer location according to the radius of the crane, so no change in the angle and length of the crane boom during the lifting. - Install the shackles and the lifting belts in the lifting points - Install the taglines to the transformer at two points, the tag line shall be not less than 10 meters. 9|P a g e

Contract No. CMIT-PRT-10.53-180025

EPCC of Water Injection Station

Document No. FW-796-SAF-62.20-0030_0

- Start the pre-lifting for the transformer and make the check for the crane, shackles, lifting belts and the stability of the transformer. - During the lifting, the transformer shall be controlled by using the tag lines. - Start the rotating for the crane to allocate the transformer in its position on the foundation. - Adjust the orientation of the transformer by using the taglines. - Set up the transformer in its position and ensure that the orientation is correct - Lifting shall be not be commenced unless Lifting Supervisor per elementarily ensures that the lifting equipment is satisfactorily set up, and all preparations are completed in accordance with the Work Method Statements, Risk Assessment and Job Safety Analysis. - The sketch below shows the crane position, the distance between the center of the crane and the load, the boom length and angle:

- Recheck of 120 ton - Mobile Crane-(AFT- 120-5) FAUN 10 | P a g e

Contract No. CMIT-PRT-10.53-180025

EPCC of Water Injection Station

Document No. FW-796-SAF-62.20-0030_0

As shown in the figure above the operating radius is about 10 meters, when check Parameter of 120-ton Mobile Crane; when the operating radius is 10 meters, the boom length is 18.8~22.6 meter, the boom angle is 58º, the lifting capacity of crane is 34.00 tons according to the crane load chart , the lifting weight of the transformer is 25.35 tons in addition to the lifting tools weight 0.670 tons the total weight of load will be 26.02 tons, which meets the requirements of the lifting activity.

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Contract No. CMIT-PRT-10.53-180025

EPCC of Water Injection Station

Document No. FW-796-SAF-62.20-0030_0

5.3- Emergency Plan: Emergency plan during non-routine lifting operation should be as below: 1- Ensure good communication method between site work and offices. 2- Providing first aid in the work site with authorized person in case of any injuries during lifting operations. 3- Providing special car at site of action in extreme cases that require the transfer of the injured to the nearest health center. 5- All personals at work site should know the emergency numbers.

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Contract No. CMIT-PRT-10.53-180025

EPCC of Water Injection Station

Document No. FW-796-SAF-62.20-0030_0

7. Working Process:

8. Details 7.1- Lifting Preparation 1) Check Lifting prerequisite to confirm it meet the requirements of lifting. 2) Crane into the construction site and the crane located as close as possible to the foundation. 13 | P a g e

Contract No. CMIT-PRT-10.53-180025

EPCC of Water Injection Station

Document No. FW-796-SAF-62.20-0030_0

7.2- Rigging Connection and Transformer Trial-hoisting 1) Workers must check the transformer before the lifting carefully, define the transformer hoisting points, the location of the center of gravity, overall dimensions and the total weight. 2) Choose rigging and sling reasonably according to the weight, overall dimensions and the number of hanging points of the transformer. 3) Establish lifting operation warning zone before the construction and prohibit irrelevant personnel go inside. 4) Rigging should avoid contact with the transformer body. 5) The angle between riggings should fixed according to the calculation of the load, it shall be 68 deg. 8) Tag line shall be attached to a lifted load for purposes of controlling load spinning and pendular motions. 9) After finishing the rigging connection, hoist the transformer above the truck base 50~100mm to trial hoisting 10) When trial hoisting, use hand -operated hoist to adjust if the transformer does not balance. 11) The purpose of trial-hoisting is mainly to check the state of rigging connection, transformer balance or not, braking apparatus of the crane and the ground subsidence or not and so on.

7.3- transformer Hoisting to the foundation 1. According to the transformer installation location and hoisting condition, prepare the hoisting tools. 2. Check the crane, the shackles, lifting polyester webbing sling and the load stability. 3. Hoist the transformer to the adequate height slowly, use the tag lines to control the load orientation. 4. After reach to the adequate height, start the rotating of the crane boom to allocate the transformer in position. 5. After set the transformer in position, check the anchor bolts 6. After ensure that the transformer is fixed to the foundation, dismantle the hoisting tools. 7.4- Site Cleaning 14 | P a g e

Contract No. CMIT-PRT-10.53-180025

EPCC of Water Injection Station

Document No. FW-796-SAF-62.20-0030_0

After complete the hoisting activity and the Crane exits, cleaning up the scene at the same time, transporting the hoisting tools and material away the hoisting construction site, the hoisting work finished. 9. HSE Requirements 1) All staff involved in the lifting operation shall be qualified rigger and crane operator with relevant certificates. 2) Conduct internal meeting rigger and crane operator should be attendant to discuss the hazards and control measures of this lifting operation, HSE representative, mechanical team, rigger, crane operator should agree with all lifting plan and control measures. 3) TBT should be conducted for all staff involve in the lifting operation and approved JSA shall be discussed with all work crew 4) Barricade the work site Make sure both construction work and staff are safe. Safety signs to keep away unauthorized personnel from lifting area. 5) Whenever there is a concern as to safety, the operator must have the authority to stop and refuse to handle loads until a qualified person has determined that safety has been assured. 6) Get relevant permits before lifting. 7) Lifting training prepare for workers involved in the lifting operation by authorized trainer. 8) Lifting area should be clear from pedestrians and other construction activities, prevent SIMOPS activities. 9) Provide crane and equipment check list, inspection that will be performed by HSE and carne operator before lifting is starting. 10) Workers involved in lifting work shall follow the Construction Regulations of Lifting Work Safety. 11) Team Leader (lifting commander) Coordinator authorized to organize and coordinate all actions related to this lifting all staff including rigger, crane operator should follow his instruction. 12) Start lifting and positioning the equipment steady with low speed. During lifting, crane shall keep being steady and with a constant speed. Prohibit speeding up the crane suddenly. 13) Crane driver and person in charge of lifting work shall carry out the compliance inspection for crane situation, ground bearing capacity and sling 15 | P a g e

Contract No. CMIT-PRT-10.53-180025

EPCC of Water Injection Station

Document No. FW-796-SAF-62.20-0030_0

preparation, etc. before lifting. 14) Before lifting, staffs involved in lifting work shall be familiar with the parameters (including weight, gravity center, outline dimension, and precision) of equipment to be hoisted, and adopt necessary technical measures. 15) Standing under the equipment being hoisted or the crane beam is prohibited. Do not stay close to stressed slings. 16) If wind speed is more than 8.8 m/s, or there is heavy rain or fog, do not perform any lifting work. 17) During lifting, use hemp rope to control direction and swing of the equipment being hoisted. 18) During crane operated, all staffs shall obey the command and cooperate with each other. Crane driver shall comply with the Crane Operation Regulations. Signal from the commander shall be accurate and correct. 19) For lifting work, the walkie-talkie is used as the main communication way, and defined a specialized channel for lifting work. Whistle is the backup communication way.

16 | P a g e

Contract No. CMIT-PRT-10.53-180025

Document No.

EPCC of Water Injection Station

FW-796-SAF-62.20-0030_0

10.Appendix A - List of Main Materials and Tools: No. Item Specification 1 Crane 120 ton 2 shackle 9.5 ton 3 4

Tag lines Safety belts

WLL: 10T EWL: 8M Safety factor: 6:1 P=1.0

Unit set Pcs.

Qty. 1 8

Pcs. Pcs.

4 4

Remarks

- Calculation of safety working load Description

Symbol

Transformer M1 Hook M2 lifting M3 polyester webbing sling Shackles M4 Total Load M Rated Load Radius Load Rate

SWL R η

Formula

Weight

Unit

25.35 T 0.6 T 4 * 15 = 60 Kg

4* 1.5 = 6 M=M1+M2+M3+M4 26.02 34.00 10 η=M/SWL 76.5%

Kg T T M

1. Appendix B

Assembly Drawing of oil Transformer

17 | P a g e

Contract No. CMIT-PRT-10.53-180025

EPCC of Water Injection Station

Document No. CIMT-796-VED-029-ELE15.01-0012

Assembly drawing for oil transformer 20MVA

B

190626

A

190614

Rev.

Date

Description

Prepared

Checked

Approved

1|P a g e

TRANSFORMATEUR TRIPHASE ABAISSEUR AVEC REGLEUR EN CHARGE THREE-PHASE TRANSFORMER STEP DOWN WITH ON LOAD TAP CHANGER

Sheet 6/8

Sheet 5/8

Puissance Rated Power

LV side

20000 kVA

Frequence Frequency Haute tension High voltage Basse tension (A vide) Low voltage (at no load)

Sheet 3/8

50 Hz 33000 V +/- 8 x 1.25 %

Groupe de couplage Vector group

Dyn11

Symbole de refroidissement Type of cooling Masse totale Total weight

ONAN

Masse du dielectrique (huile) Mass of insulating liquid (oil) Masse à décuver Untanking weight Volume du reservoir Conservator volume

8400 kg

1156 dm3

Pression acoustique Lpa à 1m Acoustic pressure Lpa @ 1m Teinte finale Finale colour Traitement anti-corosion Rustproofing

Sheet 4/8

36350 kg

15580 kg

Pertes à vide P0 No load losses P0 Pertes en charge Pk à 75°C Load losses Pk @ 75°C

HV side

11500 V

14000 W 118000 W 80 dB (A) RAL 7032 C4 Ri3

Sheet 2/8 A 0

Losson Losson

Ind Dessiné/Vérifié Echelle

26/06/2019 Russello 14/06/19 Russello le Validation

Up dated according customer's comments Création Modifications

Dessiné/Vérifié

le 14/06/19

Par Losson

Validation

le 14/06/19

Par Russello

000-846725

1 /8

A

Cf.PRO 020

Assembly Drawing

1579

1421

65 22 43

10

16 59

n146

27

53

13

+20 4339 - 0

150

6

1800

Cog

24

27

15 Center line Item 45 door opened : 3286

Item 29 door opened : 2938

2739

2581 +20 5320 - 0

000-846725

2 /8

A

Cf.PRO 020

45

19 32

56

34

66 31

30

5 60

57 33

Cog

1800

150

8

7

Center line

115

9

750

750

9

1500

000-846725

3 /8

A

Cf.PRO 020

15

345

55

Removable cover

HV side

320 357

1117

257

1087

Removable cover

700 700

4x50

62

1 hole

961

n22

n18

2

40

65

66

Ø 146

Opening : 423

10 797

1072

Opening : 500

1

Inside cable box : 894

38

37

100

61

Opening : 400

Removable cover

Opening : 443

787

Non magnetic removable plate in stainless steel 3 mm thickness

Non magnetic removable plate in stainless steel 3 mm thickness Cog

2494

1800

24 46

167

n200

Center line

2494

Lifting device = 2868

3455

3521

29

58

55

View with H.V. and L.V. cable boxes section

750 1500

000-846725

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A

Cf.PRO 020

Inside cable box : 944

LV side

Removable cover

340

5

LV side

HV side

25 26 27

23 51 14 68

20 52

On cover : 3006

Cog

27

Center line

45

2094 +20 4188 - 0

000-846725

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A

Cf.PRO 020

2094

LV side Inside cable box : 1554

60 52 21

345

320

232

320

337

12

11

260

38 Opening 1050

6 41

8

39

51 21

30 56

64 2N

2U

2V

Cog

2W

32

Center line

1U

1V

1W

67

28

21

150

380

37

Center line

Opening 1000

420

420

40

21 18 17 59

Inside cable box : 1554

HV side

View without H.V. and L.V. cable boxes removable covers 000-846725

6 /8

A

Cf.PRO 020

357

10

L.V. cable box H.V. cable box Drain hole Dehydrating breather for item 32 Filling hole of conservator item 32 Lower sampling valve Drain valve of O.L.T.C. Winding temperature indicator Dial type thermometer Locking device for roller Auxiliary wiring cabinet Automatic retention oil device Current transformer on 2N Current transformer on HV phases (in oil) Current transformer for winding temperature indicator L.V. connecting bar in copper 100 x 8 mm H.V. connecting bar in copper 40 x 10 mm Magnetic level indicator for item 32 Drain valve of item 32 O.L.T.C. conservator Insulating valve of item 30 O.L.T.C. protective relay O.L.T.C. motor drive unit On Load Tap Changer (O.L.T.C.) Insulating valve of radiator Conservator item 5 filling valve Conservator item 5 drain valve Lower treatment valve Upper treatment valve Insulating valve of Buchholz relay Temperature pocket (one is spare) Dehydrating breather for item 5 Magnetic level indicator for item 5 Tripping thermostat Alarm thermostat Buchholz relay Earthing terminal (Also on the opposite panel of the tank) Rating plate Manufacturer's plate Pressure-relief valve Lifting device for untanking Lifting device of transformer Jacking plate Hauling hole Bi-directionnal roller Radiator Main conservator Low voltage bushing 24 kV - 2000 A High voltage bushing 36 kV - 630 A Designation

Type: 900-021 Type: 12 kV Type: 36 kV IP 55 IP 55 Type: EC1DB Dia.= 15 - IO - F Dia.= 25 - IO - F Type: Type: 34-4 IP 55 Type: Type: Type: Type:

RDR - MKII - DN80 1500/1 - 15 VA - 5P20 600/1 - 30 VA - 5P20 2000/2 - 10 VA - cl.3

Type: 032-300-02 Dia.= 25 - IO - F Dia.= 25 - IO - O Type: RS 2001 Type: ED 100 S Type: V III 350 D 40.5 Dia.= Dia.= Dia.= Dia.= Dia.= Dia.=

80 40 40 40 40 80

-

IO IO IO IO IO IO

-

O F F F F O

Type: EC4DA Type: 032-300-02 \ In same / box Dia.= 80

Dia.= 125 - P> 30 kPa

Dia.= 40

Plaque TAG boite de sorties des TC sur HT Resistance chauffante pour capot BT Resistance chauffante pour capot HT Relais de surpression rapide Isolateur support de barre de connexion BT Isolateur support de barre de connexion HT Capot BT Capot HT Orifice de vidange totale Assécheur d'air pour rep. 32 Orifice de remplissage du reservoir rep. 32 Robinet de prise d'échantillon bas Robinet de vidange du régleur en charge Indicateur de température d'enroulement Thermometre à cadran Dispositif de blocage de galet Armoire de filerie des auxiliaires Clapet automatique de retenue d'huile Transformateur de courant sur 2N Transformateur de courant sur phases HT (dans l'huile) Transformateur de courant pour image thermique Barre de connexion Basse Tension en cuivre 100 x 8 mm Barre de connexion Haute Tension en cuivre 40 x 10 mm Indicateur de niveau magnétique du rep. 32 Robinet de vidange du rep. 32 Réservoir du régleur en charge Robinet d'isolement du rep. 30 Relais de protection du régleur en charge Armoire de commande du régleur en charge Régleur en charge Robinet d'isolement de radiateur Robinet de remplissage du reservoir rep. 5 Robinet de vidange du reservoir rep. 5 Robinet de traitement bas Vanne de traitement haut Robinet d'isolement du relais Buchholz Doigt de gant (dont un de reserve) Assécheur d'air pour le rep. 5 Indicateur de niveau magnétique pour le rep. 5 Thermostat déclenchement Thermostat alarme Relais Buchholz Prise de terre (De chaque coté de la cuve) Plaque signalétique Plaque firme Soupape de sécurité contre les surpressions Dispositif d'accrochage pour décuvage Dispositif d'accrochage pour levage de l'ensemble Plaque appui-vérin Trous de halage

Type: 900-021 Type: 12 kV Type: 36 kV IP 55 IP 55 Type: EC1DB Dia.= 15 - IO - F Dia.= 25 - IO - F Type: 35-4 Type: 34-4 IP 55 Type: Type: Type: Type:

RDR - MKII - DN80 1500/1 - 15 VA - 5P20 600/1 - 30 VA - 5P20 2000/2 - 10VA - cl. 3

Type: 032-300-02 Dia.= 25 - IO - F Dia.= 25 - IO - O Type: RS 2001 Type: ED 100 S Type: V III 350 D 40.5 Dia.= Dia.= Dia.= Dia.= Dia.= Dia.=

80 40 40 40 40 80

-

IO IO IO IO IO IO

-

O F F F F O

Type: EC4DA Type: 032-300-02 \ Dans un / meme boitier Dia.= 80

Dia.= 125 - P > 30 kPa

Dia.= 40

Galet de roulement orientable Radiateur Réservoir principal

Observation

Traversée basse tension 24 kV - 2000 A Traversée haute tension 36 kV - 630 A Désignation

Observation

68 67 66 65 64 62 61 60 59 58 57 56 55 53 52 51 46 45 43 41 40 39 38 37 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 2 1 Rep

1 1 1 1 1 8 3 1 1 1 1 1 1 1 1 1 4 1 1 1 3 1 4 3 1 1 1 1 1 1 1 28 1 1 1 1 1 4 1 1 1 1 1 4 1 1 1 4 4 4 8 4 14 1 4 3 Nbr

Qualitrol

AKM AKM 026-8461725 Comem

Qualitrol

MR MR MR

Comem Qualitrol 90 177 90 177 NF C 52 108 016-846725 Qualitrol

DIN 42533 DIN 42532 Plan/Drawing

Legende : IO = Robinet equipe d'un indicateur d'ouverture O= Robinet ouvert en service F= Robinet ferme en service Legend : IO = Valve fitted with a position indicator O= Valve opened during operation F= Valve closed during operation

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Cf.PRO 020

TAG plate Box of CT on HV output L.V. cable box convection heater H.V. cable box convection heater Rapide pressure rise relay Insulator support for L.V. connecting bar Insulator support for H.V. connecting bar

15580 kg 140 kg Dia. DE

Dia. DN

Nota : Il est imperatif de demonter le dispositif de blocage de la soupape rep. 12 avant mise en service suivant la notice : ACC-230400-ENG. Respecter imperativement l'ordre de remontage des galets suivant la notice ACC-264537-ENG

4xDia DP Sur/on Dia DF

Pour le raccordement aerien sur le transformateur, suivre les informations du plan ACC-250785. 5650

0:Legende : O : Robinet ouvert en service F : Robinet ferme en service IO : Robinet equipe d'un indicateur d'ouverture

4900

Les operations de traitement sous vide ne doivent pas depasser 740 mmHg. Note : The locking device on the safety valve item 12 must be dismounted before running. See notice ACC-230400-ENG.

0:Legend : O : Valve opened during operation. F : Valve closed during operation. IO : Valve fitted with a position indicator

It is necessary to observe the working instructions on document ACC-264537-ENG for rollers For connections on transformer terminals, see document ACC-250785.

Partie active

DECUVAGE

Regleur en charge

The vacuum operation can not be over 740 mmHg.

Active part

UNTANKING

OLTC

21

Botom view

9

M22x1,5 mm

ITEM/REP

DIA. DN

55 33-53 23-24-25-26

15 25 40

DIA. DF 65 85 110

DIA. DP 14 14 18

DIA. DE 95 115 150

HV Side

Ø18 25

260

510

620

540

8xn24

Longitudinal axis

Center line

Ø30

M12

5

420

12

Thick. of base plate: 8 mm

15

Prise de terre (Matiere =Acier inoxydable) Earthing terminal (Material = Stainless steel)

540

510

180

Cog

210

Doigt de gant Temperature pocket

Note: this transformer is temporarily installed and needs to be moved in future.

190

645

645

910

210 910

Jacking plate location

190

LV Side

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Center line

420

Rest area without roller