CTEB-101-INGE-R-ET-5ada026-0+inglés[1]

CTEB-101-INGE-R-ET-5026

450-01-I-M-27700-R4

CLIENT:

ENARSA

PROJECTO:

ENSENADA DE BARRAGAN THERMAL POWER PLANT

Page:

1

of:

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TECHNICAL SPECIFICATION

PAINT TECHNICAL SPECIFICATION (This document is the English version of CTEB-101-INGE-R-ET-0026)

0 B A REV

2013-03-27 For construction 2013-03-06 For approval 2012-12-21 For approval DATE

DESCRIPTION

NPC NPC NPC

MLR MLR

JUJ JUJ

ISSUED

REVISED

APPROVED

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ENARSA ENSENADA DE BARRAGAN THERMAL POWER PLANT

PAINT SPECIFICATION CLASSIFICATION It contains information for the design of structures, systems or components: Yes Design verification:

N/A

U.O chief./Supervisor

Verificator level 1

No level 2

REVISION CHECK Rev.

A B

0

Revisions

N/A – first issue Update of documents as per SENER´s remarks. Revisions shall de marked with a line in the right margin. Subsections revised: 2:The subsection title is modified and the reference to the open cycle paint specification is added. 4: Addition: The paint manufacturer shall be considered for every product, although this specification shall be taken in consideration. No changes

PRELIMINARY OR PENDING INFORMATION Rev.

Subsections

Concept

Status

0

-

-

-

Internal

Nº copies/Support

DISTRIBUTION External

UTE

MCQ, REA, AHA, MLY, NNA, JUJ, MLR, NPC, AGD

1/Correo electrónico

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ENARSA ENSENADA DE BARRAGAN THERMAL POWER PLANT

PAINT SPECIFICATION Index 1. 

PURPOSE ................................................................................................................... 5  1.1 

PAINT AT FACTORY SCOPE ........................................................................ 6 

1.2 

PAINT AT SITE SCOPE ................................................................................. 9 

2. 

REFERENCED DOCUMENTS.................................................................................... 9 

3. 

CODES, REGULATIONS AND STANDARDS ............................................................ 9 

4. 

GENERAL REQUIREMENTS ................................................................................... 10  4.1 

RUST PREVENTION.................................................................................... 11 

4.2 

CATHODIC PROTECTION COMPATIBILITY .............................................. 11 

5. 

PAINT SELECTION .................................................................................................. 11 

6. 

SURFACE PREPARATION....................................................................................... 12 

7. 

8. 

6.1 

CARBON STEEL .......................................................................................... 12 

6.2 

PREVIOUSLY COATED STEEL SURFACES .............................................. 14 

6.3 

GALVANIZED STEEL................................................................................... 14 

6.4 

COLD-ROLLED STEEL ................................................................................ 15 

6.5 

STAINLESS STEEL AND SLIGHT ALLOYS ................................................ 15 

6.6 

CONCRETE AND CEMENT SURFACES .................................................... 16 

PAINT APPLICATION ............................................................................................... 16  7.1 

GENERAL .................................................................................................... 16 

7.2 

SAFETY REGULATIONS ............................................................................. 18 

7.3 

FILM THICKNESS ........................................................................................ 18 

7.4 

REPAIRS ...................................................................................................... 18 

7.5 

INACCESSIBLE AREAS AFTER ASSEMBLY.............................................. 18 

7.6 

SURFACES TO BE WELDED AFTER PAINTING........................................ 18 

7.7 

INSULATED SURFACES ............................................................................. 19 

7.8 

GALVANIZED, STAINLESS STEEL OR ALUMINUM SURFACES .............. 19 

7.9 

SUPPORTS .................................................................................................. 19 

7.10 

CONCRETE ................................................................................................. 19 

PAINT SCHEMES ..................................................................................................... 20  8.1 

COATING SYSTEM SELECTION ................................................................ 20 

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PAINT SPECIFICATION 8.2  9. 

COMMERCIAL PAINTS ............................................................................... 26 

COLORS ................................................................................................................... 32  9.1 

EQUIPMENT AND STRUCTURE ................................................................. 32 

9.2 

PIPING AND VALVES .................................................................................. 33 

10.  IDENTIFICATION ...................................................................................................... 33  10.1 

IDENTIFICATION BANDS ............................................................................ 33 

10.2 

EQUIPMENT IDENTIFICATION ................................................................... 34 

11.  INSPECTION ............................................................................................................ 34  11.1 

GENERAL .................................................................................................... 34 

11.2 

INSPECTION DEVICES ............................................................................... 35 

11.3 

INSPECTION STAGES ................................................................................ 35 

11.4 

THICKNESS MEASUREMENT .................................................................... 36 

11.5 

ADHESION TESTING .................................................................................. 36 

11.6 

DETECTION OF DISCONTINUITIES ........................................................... 36 

11.7 

REJECTION ................................................................................................. 36 

11.8 

DOCUMENTATION ...................................................................................... 36 

12.  WARRANTY .............................................................................................................. 36  12.1 

WARRANTY TERM ...................................................................................... 36 

12.2 

PAINT IN SITE OVER COATING APPLIED IN FACTORY .......................... 37 

12.3 

PAINT APPLIED IN FACTORY .................................................................... 37 

13.  HANDLING AND APPROVAL OF DOCUMENTS ..................................................... 37  13.1 

WORKS IN FACTORY ................................................................................. 37 

13.2 

WORKS IN SITE........................................................................................... 37 

ANNEX A FORMATS........................................................................................................ 39

0

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ENARSA ENSENADA DE BARRAGAN THERMAL POWER PLANT

PAINT SPECIFICATION

1.

PURPOSE

This specification aims at defining the technical requirements the paint applied on components and/or structures (from now on “components”) shall meet in the conversion to the Thermal Power Ensenada de Barragán combined cycle. The Ensenada de Barragán Thermal Power plant is located in the city of Ensenada, 19 km far from the city of La Plata, capital of the province of Buenos Aires, and 50 km from Ciudad Autónoma de Buenos Aires Argentina. This plant has a 413 MW combined cycle that uses natural gas as fuel. The unit can also work by burning diesel oil (distilled #2) as fuel and generating 385 MW. The unit is composed by one (1) dual gas turbine (Natural-distilled gas), one (1) heat recovery steam generator (HRSG), one (1) steam surface, one (1) surface condenser and the respective systems and auxiliary equipment. The requirements herein mentioned apply both to the work in factory and to the work in site. The person responsible for the job (from now on, the supplier) shall be the supplier of the component for the work in factory or the person who applies the paint in the site for the tasks to be performed during the construction of the plant. The scope of these tasks is defined below in this specification and in the component specification as well. The other tasks, if any, shall be responsibility of the person in charge of applying paint in the site. Paints shall protect surfaces against corrosion and erosion caused by the below mentioned environmental conditions. Besides, the paint shall resist the conditions derived from the operation of the different components. 

Barometric pressure:



Temperature:





1015 mbar

-

Maximum

41,7 ºC

-

Minimum

- 5,1

-

Mean maximum

33,4

-

Mean minimum

3,3 ºC

Relative humidity -

Mean maximum

87,8 %

-

Mean minimum

56,7 %

Annual maximum rainfall

1338,1 mm/year

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PAINT SPECIFICATION The supplier shall be responsible for the storage, inspection, material testing, surface preparation and paint in full compliance with the requirement herein stated. Services shall include, but not limited to, the supply and storage of materials and tools to be used, the surface preparation and the application of the necessary primers, intermediate coatings and finish coatings and final touches to the surfaces already painted as well as the performance of applicable inspections and testing, The supply of materials shall include the paints to apply –defined in this document-, thinners, solvents or any other required additive, devices and tools necessary to prepare the surfaces, apply coatings, make checks and ensure the work quality and the staff safety. The following materials, unless otherwise stated, shall not be painted: stainless steel, plastics, tin, brass, copper, chromed metals, glass; special coatings such as rubber, ebonite, varnish, porcelain, etc.; switching mechanisms, commercial or industrial marks or tag plates; insulation, equipment inside parts, unless otherwise indicated; equipment machined parts; galvanized steel unless explicit indication on the contrary and ground connection areas in cabinets, panels, etc. Before painting, the supplier shall protect the tag plates, labels, holes, lights and other similar elements to avoid damage during the painting tasks. Standard components (see subsection 1.1) can be supplied with their usual protection provided that this process is adequate for the environment of the component in operation, and the manufacturer guarantees in writing the protection integrity during the term indicated in the purchasing documents (see technical conditions that apply to guarantee term in section 12 herein). The manufacturer shall submit all the information requested in this document. Likewise, the supplier shall quote as an alternative one of the paint schemes on subsection 8.1.

1.1

PAINT AT FACTORY SCOPE

The scope of the painting tasks in the factor shall include, but not limited to, the following: The components and equipment conditions (situation, insulation status, material and operation temperature) shall be included in all the technical specifications. The complete paint system, including the number of layers and thickness of each one, is describe in subsection 8.1 taking into consideration the following factors: 

Corrosion rate as per ISO 12944,



Material to be coated



Surface temperature



Insulation



Location and point where the generic products are going to be used

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PAINT SPECIFICATION 

Surface preparation type

These systems shall apply for the following components: a)

Pumps and Compressors

b)

Fans

c)

Hoists

d)

Tank inside surfaces (if indicated in the Data Sheet) to be delivered in the site completely assembled

e)

Package equipment delivered in the site complete mounted on the frame

f)

Any other equipment or component if mentioned in the respective technical specification.

The following equipment shall be delivered in the site, adequately prepared and painted, except for the finish coating and the zones that shall be welded afterwards, as indicated in subsection 7.6 of this specification: 

Tank exteriors



Building structures



Bridge or gantry crane beams



Filtering systems



Condenser



Heaters and coolers without insulation



Equipment benches



In general, any component (except those expressly mentioned) to be welded in the site and so indicated in their technical specification.

The following equipment shall be painted in accordance with the manufacturer standards: 

The electrical equipment and elements (terminal boxes, sealers, control elements, etc.)



Electrical engines, control panels and electric transformers



Check valves external surface

Piping and valves shall be painted as follows:

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ENARSA ENSENADA DE BARRAGÁN LÓPEZ THERMAL POWER PLANT

PAINT SPECIFICATION Table 1: Paint system for pipes and valves Location in plant: Known (at the moment of painting)  paint as per subsection 8.1 Location in plant: unknown (at the moment of painting)  follow below instructions: 1 º STEP LOCATION OF THE ELEMENT IN THE PLANT

Unknown painting

PROCESS TO APPLY

when CS-HI system (general priming)

2º STEP (after knowing the site and always after the 1st step) INSULATION

NO

(subsection 8.1) YES

TEMPERATURE UNDER NORMAL OPERATION

LOCATION OF THE ELEMENT IN PLANT Inside buildings

PROCESS TO APPLY

System CS-LU-IC3, subsection 8.1. Priming for patch up, touch up and for finishing 10ºC).



If it is foreseen that temperature may fall below 0ºC before the paint is dry.



When the metal temperature is < 5ºC over the air dew point



Room temperature over 50ºC (for epoxy and polyurethane room temperature shall not be above 35ºC).



Relative humidity above 85%



Rain, ice, snow or mist.



Wind speed above 20 Km/h



Daylight exposure



Presence of dust and gas

No paint shall be dried under conditions that may affect the substrate, the paint films and/or the adherence between them. Special precaution shall be taken to avoid damage or stain on the units interiors After all painting tasks are finished, all masking tapes shall be removed and it will be carefully checked that there are no instruments, tools, pieces of cloth, paper, screws, etc left inside the unit elbows, orifices, etc.

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ENARSA ENSENADA DE BARRAGAN THERMAL POWER PLANT

PAINT SPECIFICATION 7.2

SAFETY REGULATIONS

During paint application, the respective safety rules shall be observed. The area shall be ventilated and NO SMOKING signs shall be visible. The devices use shall not emit sparks. Operators shall wear gloves, goggles or masks if necessary to avoid the inhalation or contact of the skin with toxic products The supplier shall be responsible for the safety of his staff, as well as for the observance of the safety legal requirements applicable both in the factory and in the site.

7.3

FILM THICKNESS

The paint film thickness indicated shall be strictly observed. Unless disposition on the contrary, they refer to dry film thickness. Thickness values are described in subsections 8.1 y 8.2.

7.4

REPAIRS

All defects on painted surfaces, such as insufficient adherence, mechanical damage, bubbles, inclusions, breaks, etc shall be removed so the finish coating shall meet the required specifications. All defective areas shall be completely cleaned, including those areas adjacent to the defect in about 100 mm. The surface shall be visually inspected before painting. If the defects to be repaired represent more than the 20% of the painted area or are distributed all over the surface (notwithstanding the percentage), all defective paint coatings shall be completely removed and the surface shall be prepared and painted as per this specification requirements.

7.5

INACCESSIBLE AREAS AFTER ASSEMBLY

Surfaces that will be inaccessible after the erection (welded beam faces, floor under equipment, exterior bottom or vertical tanks, etc) shall be painted with the complete selected paint system when they still are accessible either in the site before erection or in the factory if they become inaccessible when delivered in the site.. Steel parts embedded in concrete shall be only painted on the transition zone. Steel surfaces that shall be contact with a continuous weld bead (sealed) shall not be painted.

7.6

SURFACES TO BE WELDED AFTER PAINTING

In those surfaces that will be welded after painting, a 30-50 mm band (depending on the thickness of the plate to be welded) shall be left without paint and adjacent to the edge to be welded. This band shall be protected against corrosion with a zinc silicate shop-primer, 20-30-µm thick, or with peelable varnish or adhesive paper until the moment of welding.

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ENARSA ENSENADA DE BARRAGAN THERMAL POWER PLANT

PAINT SPECIFICATION After welding, the band shall be prepared and painted, even the welded area, in accordance with the specification.

7.7

INSULATED SURFACES

Surfaces with a maximum operation temperature between 93ºC y 400ºC shall be prepared and painted with 70 μm zinc inorganic silicate, ethyl-base, resistant to the components maximum operation temperature, (see subsection 8.1).

7.8

GALVANIZED, STAINLESS STEEL OR ALUMINUM SURFACES

These materials shall not be normally painted. They will only be coated with paint under these conditions: 

Exposure to chemicals or other environments if the material is not resistant to them.



Signaling needs.

Before the application of the paint system, the surface shall be treated as indicated in subsection 6.3 in the case of galvanized steel or 6.5 if it is stainless steel or aluminum, cleaning and priming it with 35-40 μm of epoxy primer followed by the respective paint system (interior or exterior) except for the primer. If these surfaces need to be painted to improve their corrosive properties, the CS-LU-IC3 system in subsection 8.1 shall be applied for components assembled in interiors and the CS-LU-WC4 or CS-LU-WC4-ALT shall apply for components located outdoors, except in the case of priming (application in accordance with the specifications of this subsection). If these surfaces need to be painted due to signaling requirements (visual requirements) only a 40 μm coating of aliphatic polyurethane varnish shall be applied over the epoxy primer as indicated herein.

7.9

SUPPORTS

Support components can be hot-dip galvanized products when the maximum operation service is below 400ºC. They shall be painted if they met the conditions of 7.8. Those components provided already painted shall meet the conditions of subsection 1.1 for piping and valves.

7.10

CONCRETE

The scope of the concrete coatings under this specification only limits to those surfaces exposed to chemical attack, such as diked areas, chemical drain wells neutralization basins or lab or battery room floor. In general for the selection of the correct paint, it must be checked that it is resistant to the chemical reactive it may be exposed to in the location.

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ENARSA ENSENADA DE BARRAGAN THERMAL POWER PLANT

PAINT SPECIFICATION Application shall be made in accordance with the paint supplier´s recommendations, especially as regards repairs, thickness and sealing coatings. In the case of coatings for diked areas and gutters, a sealing coating shall be applied to eliminate pores and it shall be compatible with the subsequent coating, as well as an epoxy coating, without solvent of a 300-micra thickness (theoretical performance of about 1 l/m2 depending on the paint). The need of coating the basins concrete surfaces (effluents and neutralization) shall be mentioned in the respective building drawings. The coatings shall depend on the concentration of the chemicals and their temperature in the basin. If the surface to be painted is a passable floor, the necessary loads indicated by the paint manufacturer shall be added to avoid slippery.

8.

PAINT SCHEMES

8.1

COATING SYSTEM SELECTION

Below there is a table with the complete paint system to apply, depending on the conditions and the material.

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ENARSA ENSENADA DE BARRAGAN THERMAL POWER PLANT

PAINT SPECIFICATION MATERIAL AND CONDITIONS

CORROSIVITY (ISO 12944-2) C3 Medium

CARBON STEEL WITH SERVICE TEMPERATURE OF 93 ºC up to 400ºC (external surfaces of piping, valves chimney etc)

HIGH TEMPERATURE CARBON STEEL

N/A

> 400ºC up to 600ºC (external surfaces of piping, valves, etc)

GENERIC PRODUCTS

Finish coating Sa 2 ½ INSULATED

CS-HI

Priming

70

Total

70

Zinc silicate

Finish coating Sa 2 ½

> 93 ºC up to 205ºC (external surfaces of piping, valves chimney etc)

DRY THICKNESS m

UNINSULATED CS-HU

INSULATED

Priming

70

Finish coating.

40-50

Total

110-120

Zinc silicate Acrylic silicone

General cleaning: transport temporary painting

CS-VI

Finish coating Sa 2 ½ > 205ºC up to 600ºC (external surfaces of piping, valves, etc)

UNINSULATED

CS-VU

Finish coating.

2 x 25

Total

50

Aluminum silicone with a resistance up to 600ºC

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ENARSA ENSENADA DE BARRAGAN THERMAL POWER PLANT

PAINT SPECIFICATION

MATERIAL AND CONDITIONS

CORROSIVITY (ISO 12944-2)

EQUIPMENT

SYSTEM IDENT (1)

PROCESS

DRY THICKNESS m

GENERIC PRODUCTS

Finish coating Sa 2 ½ Raw water (non drinkable) or buried elements (inside tanks, submersed areas of vertical pumps or equipment and buried pumps, etc)

CARBON STEEL AT ROOM TEMPERATURE AND SUBMERSED

CS-LU-ImR

Priming (2)

40

Finish coating

3 x 120

Total

360-400

Solid-rich immersion)

epoxy

(service

Finish coating Sa 2 ½

Im1/Im3 Priming (2) Drinkable or demineralized water (tank interiors, etc)

(All these systems shall be compatible with cathodic protection)

Polyamide epoxy primer

CS-LU-ImP

40

Finish coating

400 (ó 2 x 200)

Total

400-440

Polyamide epoxy primer 100% solid epoxy coating Certificate is necessary for water tank coating as well as Bresle test 2 (max. 2-3 µg/cm , to verify with the product technical sheet)

Finish coating Sa 2 ½ N/A

Diesel oil (4)

CS-LU-ImG

Priming (2)

40

Finish coating

2 x 150

Total

300-340

Polyamide epoxy primer Amina or Phenolic epoxy

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PAINT SPECIFICATION MATERIAL AND CONDITIONS

CORROSIVITY (ISO 12944-2) N/A

NON-BLASTING METAL SURFACES

CONCRETE SURFACE

N/A

N/A

EQUIPMENT

SYSTEM IDENT (1)

Cold-rolled steel (electric cabinets, panels, etc)

LS-LU-I LS-LU- W

Galvanized steel, aluminum, stainless steel surface

Concrete with chemicals or water effluents (chemical tank dry basins, drain basins for chemical products, etc) (see paragraph 7.10)

GS-LU-I GS-LU-W

CO-L-Im

PROCESS

DRY THICKNESS m

GENERIC PRODUCTS

Finish coating: see section 6.4 Surface coating

> 80

Total

>80

Poliéster or epoxi, dried at high temperature

Finish coating: see section 6.3 Priming

35-40

Polyamide epoxy primer for smooth surfaces

Interm. and/or surface coating

See paragraph 7.8 of this specification

Total

See paragraph 7.8 of this specification

Concrete conditions: hardened and dry, with no remains of oil or grease Finish coating: sanded and cleaned with vacuum machine and treated with diluted HCI if the surface is smooth. Sealed

Priming

Surface coating

Epoxy or polyester sealing shall be applied to the concrete joins. Sealing shall be elastic and shall allow touch-ups 35 - 40

>300

Dilute epoxy layer with a consumption between 0,2 and 0,3 kg/m2 (approx.) Epoxi coating 100% solids or similar approved for service

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PAINT SPECIFICATION

NOTES

(1) SYSTEM IDENTIFICATION: XX-YY-ZZZ, where, XX = Material; YY = Temperature of service or fire stability and ZZZ = Localization or service

Material to be coated

Maximum surface temperature of service / insulation

Localization and/or services

CS

Carbon steel

V

Very high

I

Insulated

I

Interior (characters below refer corrosivity degree as per ISO 12944)

to

the

LS

Cold-rolled steel

H

High

U

uninsulated

W Exterior and slightly protected (exposed to the open air) (characters below refer to the corrosivity degree as per ISO 12944)

GS

Galvanized steel, stainless steel, light aluminum L alloys

Low

CO

Concrete

Im Immersion (raw salty water, drinkable or demineralized or (G) diesel oil)

(2)Primer to apply if the blasted surface shall be protected before the application of the surface coating. (3) Optional paint system to be used in equipment, structures or piping to be completely painted in the factory and safely transported to the site (avoiding blows that may damage the paint system applied). (4) Only the tank bottom shall be painted and a 500 mm high from this bottom..

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PAINT SPECIFICATION 8.2

COMMERCIAL PAINTS

The following tables show the commercial paints of suppliers identified in subsection 5 of this specification. SPECIFICATED SYSTEMS SYSTEM

CS-LUIC3

MANUFACTURER´S PAINT SYSTEMS

Coating

Thickness (dry) μm

Generic paint

AKZOINTERNATIONAL

PPG/ AMERON

HEMPEL

SHERWIN WILLIAMS

REVESTA

CARBOLINE

Primer

70

Zinc-rich epoxy

INTERZINC 52

AMERCOAT 68 G

HEMPADUR ZINC 17360/15360

SUMAZINC 276 (***)

REVESTA 31

CL 655 R

Surface coating

100

Polyamide epoxy

INTERGARD 475HS

AMERCOAT 385

HEMPADUR MASTIC 45880/1

Total

170

Primer

70

Zinc-rich epoxy

INTERZINC 52

AMERCOAT 68 G

HEMPADUR ZINC 17360/15360

Intermed.

90

Polyamide epoxy

INTERGARD 475HS

AMERCOAT 385

HEMPADUR MASTIC 45880/1

Surface layer

40

Aliphatic polyurethane

INTERTHANE 990

AMERCOAT 450S

HEMPATHANE CAPA SUPERFICIAL 55210 HEMPATHANE HS 55610

Total

200

CS-LUWC4

MACROPOXY 646 o REVESTA 340 SUMADUR FC

SUMAZINC 276 (***)

REVSTA 31

MACROPOXY 646 o REVESTA 340 SUMADUR FC SUMATANE 355

CG 890 SG/CG 885

CL 655 R

CG 893

REVESTA 290 CTH 133 HB

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PAINT SPECIFICATION SPECIFICATED SYSTEMS SYSTEM

Coating

Primer CS-LUWC4ALT (3)

CS-LI

CS-HI

CS-HU

MANUFACTURER´S PAINT SYSTEMS

Thickness (dry) μm

Generic paint

AKZOINTERNATIONAL

PPG/ AMERON

HEMPEL

200

Solid-rich epoxi

INTERSEAL 211 HS

AMERLOCK 400

HEMPADUR MASTIC 45880/1 HEMPATHANE CAPA SUPERFICIAL 55210 HEMPATHANE HS 55610

Surface coating

60

Total

260

Primer

70

Total

70

Primer

70

Total

70

Primer

SHERWIN WILLIAMS

REVESTA

MACROPOXY REVESTA 646 o 340/REVESTA SUMADUR FC 400

CARBOLINE

CG 890

Aliphatic polyurethane

INTERTHANE 990

AMERCOAT 450S

Zinc-rich epoxy

INTERZINC 52

AMERCOAT SUMAZINC 276 HEMPADUR ZINC 17360 68 G (***)

REVESTA 31

CL 655 R

Zinc silicate

INTERZINC 22

DIMETCOTE 9

HEMPEL´S GALVOSIL 15700/15780

ZINC CLAD 61

REVESTA D 9FT

CZ 11 FG

70

Zinc silicate

INTERZINC 22

DIMETCOTE 9

HEMPEL´S GALVOSIL 15700/15780

ZINC CLAD 61

REVESTA D 9FT

CZ 11 FG

Surface coating

40-50

Acrylic silicone (205 ºC)

INTERTHERM 875

AMERCOAT 891

HEMPEL´S SILICONA ACRILICA 56940

SUMATHERM HS 550 (8)

REVESTA 67/2

---

Total

110-120

SUMATANE 355

REVESTA 290 CTH 133 HB

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ENARSA ENSENADA DE BARRAGAN THERMAL POWER PLANT

PAINT SPECIFICATION SPECIFICATED SYSTEMS SYSTEM

Coating

CS-VU

Surface coating Total

Primer (2)

Thickness (dry) μm

Generic paint

2 X 25

Aluminum silicone (600 ºC)

AKZOINTERNATIONAL

PPG/ AMERON

HEMPEL

SHERWIN WILLIAMS

INTERTHERM 50

SILICOFER 600

HEMPEL´S 56910 ALUMINIO 19000

SUMATHERM HS 550 (until 550 ºC)

Polyamide epoxy

INTERGARD 291

AMERCOAT 71

HEMPADUR 15400/ HEMPADUR 85210

MACROPOXY 646 o REVESTA 340 EURONAVY ES NF 301

CG 888

Solid-rich epoxy

INTERSEAL 670 HS/ INTERZONE 954

AMERCOAT 385

HEMPADUR 15400/ HEMPADUR 85210

MACROPOXY 646 o EURONAVY ES 301

CG 891

Polyamide epoxy

INTERLINE 982

AMERCOAT 71

HEMPADUR 15590

INTERLINE 910

HEMPADUR AMERCOAT EURONAVY ES MULTISTRENGH 35530/ 610 301 HEMPADUR 35560

REVESTA

CARBOLINE

REVESTA 650 THERMALINE HEAT 4700

50

40

CS-LUImR

CS-LUImP

MANUFACTURER´S PAINT SYSTEMS

Surface coating

3 X 120

Total

360 - 400

Primer (2)

40

Surface coating

400

Total

400 - 440

100% solid epoxy

REVESTA 400/118VI

EURONAVY ES REVESTA 340 301 NF REVESTA 118VI/400

CG 888

PL 4500 S

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PAINT SPECIFICATION SPECIFICATED SYSTEMS SYSTEM

CS-LUImG (4)

Coating

Thickness (dry) μm

Generic paint

AKZOINTERNATIONAL

PPG/ AMERON

HEMPEL

Primer (2)

40

Polyamide epoxy

INTERLINE 982

AMERCOAT 71

HEMPADUR 85210/ HEMPADUR 15400/

PHENICON HS REVESTA 340 (***) NF

PH 187 fdo.

Surface coating

2 x 150

Amina or phenolic epoxy

INTERLINE 850/ INTERLINE 975

AMERCOAT 610

HEMPADUR 85210/ HEMPADUR 15400/

PHENICON HS (***)

PH 187 Ac.

---

---

SUMADUR SP 530

---

Total

LS-LU-I LS-LUW

GS-LU-I GS-LUW

MANUFACTURER´S PAINT SYSTEMS

>80

Total

>80

Primer

35 - 40

Total

REVESTA

REVESTA 118VI

CARBOLINE

300- 340

Surface coating

Surface coating

SHERWIN WILLIAMS

Polyester or epoxy powder

---

---

(Alternative with liquid paint) HEMPADUR 45880/1 (80/100 µm) + HEMPATHANE TOPCOAT 55210/55610 (50-75 µm) (**)

Polyamide epoxy

INTERGARD 291

AMERCOAT 71

HEMPADUR 15570

Same as CS-LU-IC3 or CS-LU-WC4. Depending on the location in site (see section 6.9)

(Alternative with liquid paint) 893 SG (80/100 µm) + CTH 133 HB (40µm)

CG 888

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ENARSA ENSENADA DE BARRAGAN THERMAL POWER PLANT

PAINT SPECIFICATION SPECIFICATED SYSTEMS SYSTEM

Coating

Thickness (dry) μm

AKZOINTERNATIONAL

Polyester or INTERGARD 740 epoxy

Sealing

CO-L-Im (5)

Generic paint

MANUFACTURER´S PAINT SYSTEMS

---

Primer

35 - 40

Diluted epoxy

---

NUKLAD 105

Surface coating

>300

100% solid epoxy

INTERLINE 910

---

Total

≥335

(*) (**)

Three (3) 75-µm thick each dry coatings shall be applied Total thickness dry ≥ 120 µm

(***)

In new steel degree Sa 3 blasting is required NOTES

PPG/ AMERON

HEMPEL HEMPADUR SEALER 05990 (diluted with THINNER 08450)

HEMPADUR 85210/ HEMPADUR 15400/ HEMPADUR 85671 (*)

SHERWIN WILLIAMS

REVESTA

CARBOLINE

SUMADUR JF (7)

---

CL 1340

SHER TILE REVESTA 400 CLEAR HS BR

---

NOVA PLATE REVESTA 400 UHS (6) o COR (6) /204 COTE HCR

PL 4550 S

(1) N/A. (2)Primer to apply if the blasted surface needs protection before the surface coating (3) Optional paint system to be used in equipment, structures or piping to be completely painted in the factory and safely transported to the site (avoiding blows that may damage the paint system applied). (4) Only the tank bottom shall be painted and a 500 mm high from this bottom.. (5) In each case, the manufacturer shall confirm if the paint is adequate for the chemical and temperature the surface shall be protected against.

CTEB-101-INGE-R-ET-5026

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ENARSA ENSENADA DE BARRAGAN THERMAL POWER PLANT

PAINT SPECIFICATION (6) Only for water or neutral aqueous solutions. (7) Valid for horizontal surfaces. (8) Aluminum silicone, only available in color aluminum.

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ENARSA ENSENADA DE BARRAGAN THERMAL POWER PLANT

PAINT SPECIFICATION 9.

COLORS Finish colors shall be the following:

9.1

EQUIPMENT AND STRUCTURE Components

Mechanical Pumps

Compressors

Supports Frames Uninsulated valves and piping and with a maximum service temperature of 93 ºC (except for PCI) PCI Equipment, piping and valves Piping and valves with temperature higher than 93 ºC uninsulated Ventilation equipment Tanks Pressure vessels Benches and structures in mechanical equipment Crane bridge Electric Electric elements and equipment (distribution boxes, sealers, control elements) Electric engines and motor panels Electric transformers Instrumentation Control and instrumentation devices Civil Metal structures Safety bars and stairs

Code IRAM DEF D 10-54

Code RAL

-

-

09-1-060 09-1-060 -

7046 7046 -

Red Aluminum (*)

03-1-080 -

3001 -

Grey White White Grey Yellow

09-1-060 02-1-040 02-1-040 09-1-060 05-1-020

7046 9010 9010 7046 1023

Manufacturer standard Manufacturer standard Manufacturer standard

-

-

-

-

-

-

Manufacturer standard

-

-

Grey yellow

09-1-060 05-1-020

7046 1023

Color

Work fluid color (see subsection 9.2) or standard Work fluid color (see subsection 9.2) or standard Grey Grey Identifying color (6.12.2)

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PAINT SPECIFICATION (*) See paint system CS-HU subsection 8.1

9.2

PIPING AND VALVES

In the case of valves (through base color) and uninsulated piping and with a maximum service temperature of 93ºC the following finish colors shall be applied (as per IRAM DEF D 10-54 standard) depending on the fluid carried. Fluid Service water Fire water Raw water Pre-treated water Drinkable water Demineralized water Instrumentation air Service air Nitrogen Electricity Gas vent Air vent Drain Fuel gas Fuel oil Lube oil

10.

Color Base Band Green Red Green Black Green Grey Green Green Yellow Blue Blue White Blue Orange Black Yellow Orange Blue White Ochre Yellow Yellow Dark brown Brown

Code IRAM DEF D 10-54 01-1-120 03-1-080 01-1-180 11-1-070 01-1-180 09-1-060 01-1-120 01-1-120 05-1-020 08-1-070 08-1-070 02-1-040 08-1-070 02-1-020 11-1-070 05-1-020 02-1-020 08-1-070 02-1-040 06-1-020 05-1-020 05-1-020 07-1-120

6010 3001 6002 9005 6002 7046 6010 6010 1023 5009 5009 9010 5009 2009 9005 1023 2009 5009 9010 8001 1023 1023 8011

07-1-120

8002

Code RAL

IDENTIFICATION

10.1

IDENTIFICATION BANDS

The previous band color codes shall be painted with a 6-meter distance between them, in the straight sections, on each side of the valves, connections, piping changes of direction, and next to floors, ceilings or walls the piping passes through, on the straight tubing, or on both sides of valves, tees, elbows and crossings of ceilings, floors or walls. Likewise, a 10 –cm space shall be left between the connection or valves intake and the respective band, as well as the bands of the same group. The piping flow direction shall be identified, if, required, with an arrow that shall be painted or marked with a sticker over each side of the band and 100 mm far from the valve flange or equipment connection.

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ENARSA ENSENADA DE BARRAGAN THERMAL POWER PLANT

PAINT SPECIFICATION In piping supported by a wall, flow direction bands shall be painted on the side that shall be visible from the work place. The width of the band shall depend on the piping external diameter, as shown in this table:

TYPE 1 2 3 4

INSULATION OR PIPING EXTERNAL DIAMETER (mm) D ≤ 50 mm 50 < D ≤ 150 mm 150 < D ≤ 250 mm D > 250 m

BAND WIDTH Base Color (mm)

Band color (mm)

200 300 600 800

100 150 250 350

ARROW Axis Length width (mm) (mm) 80 10 100 15 150 20 200 25

The length of the arrow that shows the flow direction shall be also limited by the piping external diameter shown in the table. In insulated piping, two bands shall be painted with 100 mm distance between them. The main band shall be of the “base color” indicated in subsection 9.2 and the secondary band shall be of the “band color” indicated in subsection 9.2. If there is no “band color” only one main band shall be painted.

10.2

EQUIPMENT IDENTIFICATION

The proportions per type of letters and name to be used shall correspond to HELVETICA or SWISS 721 BT font that can be found in Windows programs and applications. Type 1 2 3 4

height (mm) 70 280 498 700

Width (mm) 40 160 280 400

Letter and numbers shall be black.

11. INSPECTION 11.1

GENERAL

All surfaces that shall be painted must be inspected before and after the tasks. The supplier´s Inspection Service shall have access at any time to the place where the tasks are performed, as well as to the records to inspect any work stage. The inspector shall inform the purchaser of any deviation to the paint manufacturer´s instructions or to this Specification to determine the measures to be taken.

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PAINT SPECIFICATION 11.2

INSPECTION DEVICES

The supplier shall have the necessary equipment and standards for the inspection and control of the tasks, such as humidity gauges, surface thermometers, cotton cloth to check the absence of water an oil in the compressors air, ISO 8501 visual standards, roughness gauges, dry and wet film thickness gauges etc.. Testing devices shall be calibrated as many times as necessary.

11.3

INSPECTION STAGES

The inspection of coatings both in factory and site shall include all stages that may affect the paint performance. The following shall, at least, be inspected: 

Storage, surface preparation, mixture, application and curation. It includes cleaning conditions and the suitability of all tools and devices to be used.



Material reception. It includes the inspection of packages, documents attached to packages and storage conditions.



Suitable environmental conditions both in preparation of surfaces and paint application as well.



Substrate before and after the surface preparation. It shall be inspected as per ISO 8501, and the applicable SSPC, recording the surface status before and after preparation. Also, the roughness achieved shall be inspected.



Preparation, mixture and application of every type of paint and coatings determined, in accordance with the paint manufacturer´s instructions.



After painting the surface, a visual inspection shall be carried out, regarding: -

Bites

-

Blisters and bubbles

-

Color and gloss uniformity (only in finish coatings)

-

Lack of drops

-

Scratches

-

Thickness of dry coating

-

Continuity and uniformity

-

Surface contamination

-

Mechanical damage

No defects shall be accepted The thickness of dry film shall be measured, as per en 11.4.

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PAINT SPECIFICATION 11.4

THICKNESS MEASUREMENT

Thickness shall be measure with suitable devices (magnetic gauges), and in accordance with SSPC-PA-2 standard. No measurement in one point (three readings average) shall be lower to the 80 % of the defined thickness. Thickness per coating 1,3 higher than the one defined shall be only allowed with the manufacturer´s previous authorization in writing.

11.5

ADHESION TESTING

In the case of submersed surfaces, traction adherence tests shall be carried out as per ISO 4624 with a 2,5 MPa load.

11.6

DETECTION OF DISCONTINUITIES

Painted steel surface that will be immersed during operation shall be inspected with a high voltage detector to check the film continuity.

11.7

REJECTION

Those surfaces where the coating and /or application do not meet the requirements of this Specification, including the referenced standards where they are applicable and /or the purchaser´s requirements, shall be rejected.

11.8

DOCUMENTATION

Besides those requirements included in subsection 13 of this document, the purchaser shall not accept the paint if the documentation has not been specially approved for buildings or piping structures assembled in the site or very big components.

12.

WARRANTY

12.1

WARRANTY TERM

The warranty term of coatings as regards defects and /or compliance with the specified conditions shall be determined in the purchase documentation. The warranty term shall start from the acceptance of a component by the Purchaser´s Inspection Services. It will be considered that a coating has passed the warranty term when at the end the oxidation on the surface is not higher than degree R 10 (0% of surface with rust) of ISO 46288-3 “Evaluation of degradation of paint coatings”. If during the warranty term defects are found in the surface preparation, composition or application of paint systems, the supplier shall remove and repair the defective paint on his account. After these repairs, a new warranty term shall start for one (1) year, maximum, to run from the expiration date of the original term. Repairs shall not affect the schedule of the rest of the tasks.

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PAINT SPECIFICATION 12.2

PAINT IN SITE OVER COATING APPLIED IN FACTORY

Before painting in the site over a surface already painted in the factory, the supplier shall inspect the surface and the guarantee shall cover the complete paint system. If after the inspection the supplier rejects the guarantee, it shall inform the purchaser in writing about the reasons for the rejection.

12.3

PAINT APPLIED IN FACTORY

If defects are found in the surface preparation, composition or application of paint systems, the supplier shall remove and repair the defective paint on his account. All defects found within the warranty term shall be removed and the surface shall be repaired with no extra charge and without affecting the scheduled of the rest of the tasks.

13.

HANDLING AND APPROVAL OF DOCUMENTS

13.1

WORKS IN FACTORY

13.1.1

TENDER

The supplier shall include in his tender the procedures for Preparation and Painting of surfaces (as per format nº 1 of Annex A of this specification), together with the information related to the method of paint and inspection within his scope. All exceptions to this Specification shall be listed. 13.1.2

AFTER AWARD

After the award, the supplier shall submit for approval the procedure as per format nº 1 of Annex A. Likewise, records as per formats nº 1, 2 y 3 of Annex A shall be left at the purchaser´s disposal, or his agent´s and /or authorized entities. One (1) procedure for Preparation and Painting or Surface (as per format) shall be submitted for every different paint system applied to a component The approval of the Procedures shall not release the supplier from the performance of inspections and keeping of necessary records during the performance of the tasks.

13.2

WORKS IN SITE

13.2.1

TENDER

The supplier shall submit the procedures for the preparation of surfaces for all types of surfaces and the procedures for painting for all types of paints he shall be using in the site, as well as the necessary touch-ups. The manufacturer included in the tenders shall be duly authorized, included in subsection 8.2.

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PAINT SPECIFICATION 13.2.2

AFTER AWARD

After selecting the paint manufacturer and the supplier, the latter shall be responsible for keeping a record with the required documentation. This documentation shall include: 

Surface preparation and painting (Format nº 1 of annex A)



Repairs (Format nº 2 of Annex A)



Paint acceptance (Format nº 3 of Annex A)



Daily record of tasks performed



Record of inspections performed.

CTEB-101-INGE-R-ET-5026

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ENARSA ENSENADA DE BARRAGAN THERMAL POWER PLANT

PAINT SPECIFICATION

ANNEX A FORMATS Nº 1:

SURFACE PREPARATION AND PAINTING

Nº 2:

REPAIRS

Nº 3:

PAINT ACCEPTANCE

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PAINT SPECIFICATION DATE: PROCEDURE Nº: FORMAT Nº 1 – SURFACE PREPARATION AND PAINTING (To be filled in by the SUPPLIER)

pages

(if filled in as a record, the actual date obtained during the tasks shall be recorded) Page 1 of 3 SUPPLIER 1.0

General 1.1

Technical specification of unit nº

1.2.

Unit identification

1.3

Component

1.4

Substrate (material)

2.0

Surface preparation 2.1

Blasting degree (ISO 8501):

2.2

Abrasive type and size

2.3

Surface roughness

2.4

Other preparation method Priming (1er coating)

3.0 3.1.

Paint identification

3.2

Product generic type

3.3

Film thickness per coating (m)

3.4

Nº of coatings

3.5

Application method

3.6

Color

4.0

Intermediate (2ª coating) 4.1

Paint identification

4.2

Product generic type

4.3

Film thickness per coating (m)

4.4

Nº of coatings

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ENARSA ENSENADA DE BARRAGAN THERMAL POWER PLANT

PAINT SPECIFICATION 4.5

Application method

4.6

Color

5.0

6.0

Finish (3ª coating) 5.1

Paint identification

5.2

Product generic type

5.3

Film thickness per coating (m)

5.4

Nº of coatings

5.5

Application method

5.6

Color Remarks

(to be filled in in case of record) Signature

Signed: (Name and position) Attachments: (if the proposed paints are not among those mentioned in subsection 8.2, the respective technical data sheet, issued by the manufacturer, shall be attached)

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PAINT SPECIFICATION Date: Page 1 of 1 FORMAT Nº 2– REPAIRS (To be filled in by the supplier) ( pages) SUPPLIER 1.

Date

2.

Equipment

3.

Component

4.

Paint procedure number (format Nº 1)

5.

Substrate condition

6.

% damage and repaired surface

7.

Surface preparation method

8.

Paint method

9.

Priming (1ª coating) 9.1

Name and type

9.2

Coating thickness (m)

10.

Intermediate (2ª coating) 10.1

Name and type

10.2

Coating thickness (m)

11.

12.

finish (3ª coating) 11.1

Name and type

11.2

Coating thickness (m) Remarks

Signature

Signed: (Name and position)

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PAINT SPECIFICATION Page 1 of 2 FORMAT Nº 3 PAINTING ACCEPTANCE SUPPLIER

(consisting in

1.

Workplace

2.

Equipment

3.

Component

4.

Contract Nº

5.

Paint procedure Nº (format Nº 1)

6.

Description of the work 6.1

Substrate (type of material)

6.2

Surface preparation

6.3

Paint: 1ª COATING PRIMING

Name Dry film (m) 7.

8.

2ª COATING INTERMEDIATE

thickness Coating final characteristics

-

Color

-

Total thickness (m)

-

Paint aspect Qualification ACCEPTABLE

NOT ACCEPTABLE

9.

Remarks:

10.

Repair procedure Nº (format Nº 2) ACCEPTABLE Signature date:

and

Signed; (Name and position)

NOT ACCEPTABLE

pages)

3ª COATING FINISH