wd946-ez300-00009 procedure for painting rev 0

8/18/2019 WD946-EZ300-00009 Procedure for Painting Rev 0

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● PROJECT CODE Purpose

: SISTEMA DESULFURIZACION DE GASES DE

● PACKAGE NAM : SEMI DRY FGD SYSTEM For Approval

● DOCUMENT No. : WD946-EZ300-00009 For Construction

: ENDESA S.A. For Information

PREP REVIEW APPR REVIEW REVIEW APPR

Contractor:

Procedure for PaintingTOTAL 21 PAGES

(Including Cover)

● PROJECT NAME

ESCAPE PARA LA UNIDAD 1 CENTRAL BOCAMINA For Review

● TITLE For Bid

● OWNER

: Procedure for Painting

0 H.J Cho For Construction

Owner:

Rev.

No.DATE DESCRIPTION

STX Heavy Industries ENDESA S.A.

2013-02-15 J.W Kim D.M. Choi


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Procedure for Painting PROJECT

: SISTEMA DESULFURIZACION DEGASES DE ESCAPE PARA LAUNIDAD 1 CENTRAL BOCAMINA

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Contents

1.

SCOPE ..................................................................................................................................... 2

2.

GENERALS ............................................................................................................................. 2

3.

CODES AND STANDARDS .................................................................................................... 2

3.1.

Steel Structure Painting Council (SSPC) ................................................................................. 2

3.2.

ISO 12944 ................................................................................................................................ 2

4.

APPLICATION ......................................................................................................................... 2

4.1.

Surface to be painted. .............................................................................................................. 2

4.2.

Surface not to be painted ......................................................................................................... 3

4.3.

Surface Preparation ................................................................................................................. 3

4.4.

Painting..................................................................................................................................... 4

4.5.

Protection of Stainless Steel .................................................................................................... 6

4.6.

Galvanizing ............................................................................................................................... 6

4.7.

Touch-up Painting ..................................................................................................................... 7

5.

TESTING & INSPECTION ....................................................................................................... 8

6.

STORAGE OF PAINTS .......................................................................................................... 10

7.

SAFETY ................................................................................................................................. 10

8.

COATING SYSTEM ................................................................................................................11

8.1.

Application of Materials ........................................................................................................... 11

8.2.

Painting System ...................................................................................................................... 11

8.3.

Safety Color Code .................................................................................................................. 15

8.4.

Final Painting .......................................................................................................................... 15

8.5.

Piping Color Code .................................................................................................................. 17


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1. SCOPE

This procedure covers the surfaces preparation and application of protective coating forSISTEMA DESULFURIZACION DE GASES DE ESCAPE PARA LA UNIDAD 1 CENTRAL

BOCAMINA.

2. GENERALS

1) All regulations including storage of paint, handling, surface preparation, painting work,

safety, etc, shall be in compliance with KS, SSPC and paint manufacturer’s specifications.

2) All painting procedures shall be in compliance with the requirements of SSPC-PA1, this

technical specification and the manufacturer’s recommendations.

3. CODES AND STANDARDS

Codes and standards not specified hereafter shall be in compliance with Korean industrial

Standard. The others shall comply with following SSPC standard.

3.1. Steel Structure Painting Council (SSPC)

1) SSPC-PA1 : Shop, field and Maintenance Painting

2) SSPC-PA2 : Measurement of Dry Film Thickness with Magnetic Gages

3) SSPC-PA Guide 3 : A Guide to Safety in Paint Application

4) SSPC-SP1 : Sol vent Cleaning

5) SSPC-SP2 : Hand Tool Cleaning

6) SSPC-SP3 : Power Tool Cleaning

7) SSPC-SP5 : White Metal Blast Cleaning

8) SSPC-SP6 : Commercial Blast Cleaning

9) SSPC-SP8 : Pickling

10) SSPC-SP10 : Near-White Blast Cleaning

3.2. ISO 12944

Paints and varnishes - Corrosion protection of steel structures by protective paint systems

4. APPLICATION

4.1. Surface to be painted.

1) General

a) For the selection of painting system, the supplier shall take into account each material

to be painted, insulation, service temperature, etc. If necessary, the constructor who is

carrying out field coating shall execute touch-up painting for shop coating and field

application in accordance with painting standard.

b) All equipment for field weld surface, in case of not using a good weld ability paint,

shall be protected with masking tape or adhesive material within 75mm of field weld.

c) Machined surfaces, bolts, valve stems, gasket surfaces shall be protected with anti-

corrosive petroleum solvents in accordance with the manufacturer’s instruction.

2) Paint of fitting and flanges shall match that of piping.a) Field fabricated brackets, clips, nozzles, manways, attachments, flanged connections


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12) The abrasives used for blast-cleaning shall be graded flint, grit, shot or silica sand and

shall be such that they will produce and average keying profile on the blast-cleaned

surface of not more than 120 microns.

13) Saddles or other structure supporting equipment to be rotated during the paint process

shall be a minimum of 1meter in height.

14) No blast cleaning shall be performed during the rainy season. The blasted surface shall

be maintained free of frost or moisture.

15) The blast cleaning compressor shall provide moisture free air with adequate capacity. Oil

and moisture must be purged from compressor system prior to commencing blasting

after any compressor shutdown. Contaminant level is to be checked using a white-clean

cloth.

16) A power-operated wire brush which provides surface gloss shall not be used for cleaning.

17) Shop painted surface shall be protected during surface preparation.

18) All machined surfaces, including flange faces, shall be suitable covered to prevent

damage during surface preparation.

19) Masking tape from shop painting or other adhesive materials shall be removed

completely.

20) Steelwork protected by shop primer after arrival on site must be cleaned of salt, sand, oil,

etc. before the first coat of paint is applied on site. Shop primer damaged during

transport must be rectified by blast or brush cleaning, depending on the damage, and

coating before application of the site coats as bellows

Impurity Removal

Dust, loose deposits Vacuum-cleaning, brushing

Adhesive deposits Power brushing

Oils, greasy impurities Use of detergent additives by agreement

Salt deposits Rinsing

Damages, Burns, Weld

Smoke, Marking, Corroded

areas

Disc sanding to St 3 according to ISO 8501-1:1988 or

abrasive sweeping to Sa 2 1/2 According to ISO 8501-

2:1994.

White Rust Fresh water hosing and scrubbing with stiff brushes.

a) Surfaces to be coated must be dry and free of all dirt, mildew, chalk, spent abrasive

and any other contaminant of foreign material that could inhibit adhesion.

b) Shop coated surfaces shall be thoroughly cleaned before the application of the prime

coat

21) Should any phase not meet the standard required during inspection, Supplier shall carry

out necessary rectification in accordance with this specification

4.4. Painting

1) Painting work shall be performed when the substrate surface is in dry condition. All the

rust, sand, shot ball, grit, oil, grease shall be removed completely.

2) Where practical, outdoor exposed steel (except stainless steel) bolts, nuts and washers,

including general grade high tensile friction-grip bolts (referred to in B.S. 3139 and S.B.

4395, Part 1) shall be dichromated and subsequently centrifuged.

3) All carbon steel shall be treated in accordance with this specification.

4) No paint area such as machined surface (metal to metal contacted surface), bolt threads,


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etc shall be coated with rust preventive oil. (Tectyl 506 or equivalent)

5) Painting shall be commenced within 4 hours after surface preparation. If some sign of

rust might occur even within 4 hours, surfaces shall be prepared again in accordance

with the specification.

6) Painting shall be proceeded within the temperature limits specified by the manufacturer’s

recommendation. The general conditions are as follows:

a) Atmospheric temperature

- The optimum temperature range will be 15℃~32℃. In general, painting shall not

be proceeded below 10℃ or above 38℃.

- Painting shall not be carried out when the steel surface temperature is less than 3℃

above the dew point.

b) Humidity

- As the humidity during the painting give much effect on the dry time, the optimumhumidity for painting will be the range of 40-80%. Painting shall be done within the

humidity range of paint manufacturer’s recommendations.

c) Others

- Painting shall not be executed outdoors when weather conditions are unsuitable

(i.e. foggy, rainy and windy day). Indoor painting shall only be carried out with

supervisor’s permission.

- If chemical contamination occurs between coats, then water or solvent cleaning

shall be applied before re-coating.

7) Use of paint thinner shall be in strict accordance with paint manufacturer’s data sheets.

The thinners shall conform to the paint manufacturer’s recommendations.

8) Field welds on items which have been shop coated with inorganic zinc primer shall be

properly prepared before field touch up primer and finishing coats. Slag occurred in

welding work and slag residue shall be removed completely. Grinding or power tool

cleaning shall be executed to comply with SSPC_SP3.

9) Faying surface of bolted connection (high tension bolted areas) shall be masked to

prevent application of all but the qualified inorganic zinc rich primer. After bolting (high

tension bolted areas), these area shall be coated in accordance with the qualified coating

system.

10) Painting shall be carefully performed at all edges, corners, crevices, rivets, bolts and nuts,

welds and other complex shapes that may be sensitive to rusting. (stripe coating)

11) Dry film thickness (D.F.T)

a) To the maximum extent practical, the coats shall be applied as a continuous film of

uniform thickness and free of pores. Overspray, skips, runs, sags and drips shall be

avoided.

b) The different coats shall not be of the same colour.

c) The minimum total dry film thickness of the paint system shall be as recommended in

the following Coating system below. The D.F.T is given in microns (millionths of a

meter).

12) All parts shall be shop-painted including finishing coats as far as possible. Field painting

will be limited to touch-up repairs to shop finish coats damaged during erection, and fieldpreparation and painting of field weld areas.


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13) Insulated equipment and piping shall be painted with primary coat only on the equipment

surface subject to addressing Contractor’s comments on the Supplier’s painting

specification.

4.5. Protection of Stainless Steel

1) The sand blasting and coating shall not be applied on the surface of austenitic stainless

steel and high alloy steel.

2) Paint, dust, soil(mud clay) and foreign matter on the surfaces of austenitic stainless and

high alloy steel shall be removed with water first. Contaminant not removed by water

shall be cleaned by stainless steel brush. The surfaces of carbon steel shall not be

applied with the brush. Oil and grease shall be removed not by aliphatic or chlorinated

solvent but by clean rags and pure(unstained) aromatic solvent.

3) Before surface painting, the welding areas of austenitic stainless, high alloy steel and

carbon steel shall be protected as follows.

a) Large C.S attachment parts (C.S skirt welded to S.S vessel)

- Where the service temperature is lower than 149℃, epoxy type paint shall be

coated on each side of 300mm coverage at S.S and C.S welding parts.

- Where the service temperature is higher than 150℃, the modified silicone shall be

coated on each side 300mm coverage at S.S and C.S welding parts.

b) Small C.S attachment part (clips, brackets, flange welding etc.)

- Where the service temperature is lower than 149℃, two coats of epoxy type paint

shall be applied to cover the C.S completely.

- If the service temperature is higher than 150℃, two coats of modified silicone shall

be applied. Coating shall be over lapped at least 25mm on the surface of S.S

4.6. Galvanizing

1) Galvanizing works shall conform in all respect to ASTM A153 and B.S. 729, B.S. 3083

and B.S.C.P. 2008 and DIN 50976 and to KSD8308 whatever requires the higher quality

and shall be performed by the hot dip process, unless otherwise specified.

2) It is essential that details of steel members and assemblies which are to be hot-dip

galvanized shall be designed in accordance with B.S. 4479.

3) Vent-holes and drain-holes shall be provided to avoid high internal pressures and air-

locks during immersion, which may cause explosions, and to ensure that molten zinc is

not retained in pockets during withdrawal.

4) All defects of the steel surface including cracks, surface laminations, laps and folds shall

be removed in accordance with B.S. 4360. All drilling, cutting, welding, forming and final

fabrication of unit members and assemblies shall be completed, where feasible, before

the structures are galvanized. The surface of the steelwork to be galvanized shall be free

from paint, oil, grease and similar contaminants in accordance with DIN 55928, part 4

and DIN 50976. The weight of zinc coating per unit area has to be noted in the

manufacturing documents in accordance with DIN 50976.

5) The minimum average coating weight shall be as specified in Table 1 of B.S. 729 or

Table 2, DIN 50976, whatever requires higher quality, and the minimum thickness of

galvanizing shall be 4mils(100㎛).


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6) Structural steel item shall be initially grit-blasted to B.S. 4232, second quality (Sa 2 1/2),

or by pickling in a bath and the minimum average coating weight on steel section 5mm

thick and over shall be 900 g/m2.

7) Galvanized contact surfaces to be joined by high-tensile friction-grip bolts shall be

roughened before assembly so that the required slip factor (defined in B.S. 3294, Part 1

and B.S. 4604, Part 1) is achieved. Care shall be taken to ensure that the roughening is

confined to the area of the mating faces.

8) Protected slings must be used for off-loading and erection. Galvanized work which is to

be stored at the works or on site shall be stacked so as to provide adequate ventilation to

all surfaces to avoid wet storage staining (white rust)

9) Small areas of the galvanized coating damaged in any way shall be restored in

accordance with DIN 55928, part A and DIN 50976 by:

a) Cleaning the area of any weld slag rust and other impurities and by thorough wire

brushing to give a metallic clean surface.

b) Application of suitable number of coats of zinc rich paint containing more than 90%

w/w of zinc in dried film

c) The dry film thickness shall exceed at least as of the desired galvanization.

d) The restored area shall not to exceed 1% of the galvanized surface.

4.7. Touch-up Painting

1) The Supplier shall touch up before erection in jobsite all destroyed or damaged surfaces

during delivery.

2) Touch-up painting shall be with brush or airless spray after SSPC-SP3 cleaning. If the

touch up area is wide and blasting operation is possible, spray coating method shall be

applied after re-blasting.

3) The Supplier shall provide sufficient quantity of touch-up paint of the same types and

colors as applied for shop painting. The Supplier shall provide not less than 5% of total

paint quantity, unless otherwise specified.

a) Bare steel surface where the surface rusts

- Areas where surface temperature is below 93℃, and coated with inorganic zinc

rich primer

∙

Surface preparation : SSPC- SP2 or SP3

∙ Touch-up : Finish coating in accordance with Painting System after primer

coating with epoxy mastic aluminum 100μ DFT.

- Areas where surface temperature is between 94~399℃, and coated with

inorganic zinc rich primer.

∙

Surface preparation : SSPC-SP3

∙ Touch-up : Finish coating in accordance with Painting System after primer

coating with inorganic zinc rich primer 75μ DFT.

- Areas where surface temperature is between 400~600℃, and coated with silicone.

∙ Surface preparation : SSPC-SP3

∙

Primer and finish coats : Silicone more than 50μ DFT.- Areas coated with coal tar epoxy, polyamide epoxy, amine adduct epoxy, phenolic


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epoxy.

∙ Surface preparation : SSPC-SP3

∙

Primer and finish coatings shall be in accordance with Painting System. But, in

case of the paint which requires the time interval for repainting. Existing filmshall be overlapped with touch-up painting after re-blasting, sand papering, or

sand sweeping.

- Areas coated with Alkid water Reducible Primer

∙ Surface preparation : SSPC-SP2 or SSPC-SP3

∙

Touch-up : Finish coating in accordance with Painting System after primer

coating with Alkid water Reducible primer 40μ DFT.

- Areas coated with modified epoxy.

∙


∙

Primer and finish coatings shall be in accordance with Painting System. But, in

case of the paint which requires the time interval for repainting. Existing film

shall be overlapped with touch-up painting after re-blasting, sand papering, or

sand sweeping.

- Damage areas of primer, intermediate, top-coats where the steel surface does not

rust.

∙


∙

Touch-up : Finish coating in accordance with the Painting System, sufficient to

re-establish the specified dry film thickness.

5. TESTING & INSPECTION

1) Painting materials, equipment and working conditions shall be tested and inspected

according to the Supplier’s quality assurance procedures which shall be submitted for

OWNER’s approval.

2) The minimum check points for testing & inspection are as follows.

a) Paint

- Inspection of coating and blasting materials in accordance with materials

specifications

- Checking of storage conditions of materials

- Before Mixing and application of coating material, Check the following information

listed;

∙ Coating material supplier ’s name

∙ Product name

∙

Product color designation

∙ Product batch number and manufacturing date

∙

Product shelf life

b) Equipment for painting

- Checking adequateness of coating, cleaning and blasting equipment

c) Surface preparation

- Checking the condition in accordance with surface preparation specification

- Checking the accuracy of surface preparation in accordance with painting


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specification

- Confirm the blast quality by comparing the blasted surface with SSPC-Vis1 and

verify the height of the anchor pattern profile with an Elcometer roughness gauge

adjusted to profile height

- Inspect blasted surfaces immediately before application of the coating as follows

∙

Check dryness by visual inspection.

∙ Check rusting visually. If rusting is detected, surfaces shall be re-blasted until

acceptable.

d) Painting

- Checking the precision of mixing and screening of inorganic zinc rich primer

- Checking the adequateness of environmental condition for paint application

- Checking the continuous agitation of inorganic zinc rich paint container during

application

- Checking the pot life time of paint e) Film thickness

- Checking the wet film thickness of first coat for non-zinc rich primer

- Checking the dry film thickness for zinc rich primer

- Checking the finish coating of organic coating for making precise film thickness

- Checking the film thickness vs. specified film thickness

f) Visual Inspection

- Check continuously the following coating defects & take immediate corrective

action

- Orange peel

- Thin film

- Film Brush

- Over Spray

- Surface Contamination

- Mildew

- Slow Drying Time

- Mud Cracking

- Blisters

- Rust

g) Galvanizing

- Check appearance

∙

The appearance status after the coating will be confirmed with the visual sight

Galvanized surfaces shall be free from uncoated areas, blisters, flux deposits,

and Lumps, projections, globules, or heavy deposits of zinc which will interfere

with the intended use of the material will not be permitted.

- Check Thickness

∙ It will be measured with the Electronic Film Thickness Measuring Device. The

thickness of the coating shall be determined by magnetic thickness gage

measurements in accordance with SSPC-PA2.

h) Adhesion of paint

- Executing a surface inspection to check bonding between primer and finish


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coating.

- Checking the drying condition of primer before finish coating

i) Repairs

- Checking all the repair complete.

j) Drying

- Checking the drying condition in accordance with transportation, handling and re-

coating interval instructions (specifications) of paint manufacturer

3) The list of equipment for checking the painting procedure is as follows;

a) Surface profile roughness gauge

b) Air temperature gauge

c) Steel surface temperature gauge

d) Hygrometer & dew point calculator

e) Wet film thickness gauge

f) Dry film thickness gauge

g) Other related instruments

4) The surface preparation shall be checked properly in accordance with SSPC and this

specification

5) Wet film thickness of non-zinc rich paint shall be checked to make sure dry film thickness

during each application (first, second, third coating).

6) Dry film thickness of painted area shall be checked in accordance with SSPC-PA2.

7) Periodic checking shall be carried out for the area which might have adhesion problems

between each coatings.

8) Tester (elcometer adhesion) or higher qualified method shall be used to check the

adhesion condition for doubtful area.

9) Finished painting shall be checked by Contractor ’s visual inspections.

a) RE-coating or touch-up which did not follow this specification shall be performed

under the responsibility od the Supplier’s expense.

10) The Supplier shall submit an inspection report.

6. STORAGE OF PAINTS

1) Paint materials shall be stored in a well-ventilated area, free from spark, flame, heat and

direct rays of the sun. Containers for paint shall be turned regularly in accordance with

paint manufacturer’s recommendation.

2) Storage of paint shall be in compliance with the paint manufacturer’s recommendation.

7. SAFETY

1) Painting materials to be used for primer and intermediate, finish coating shall be the

product of the same manufacture. In special cases, other paint can be used after

Owner ’s approval through testing.

2) All painting materials shall be delivered to the field in sealed containers with testing

reports. All paint containers shall be labeled to show product name and mark of

manufacturer.3) Surface preparation, painting working conditions and painting materials shall be in


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accordance with the latest product data sheet published by the paint manufacturer in

addition to the requirements in this specification.

4) Painting shall be performed with the application of safe working methods considering the

health and safety workers and other personnel.

5) As painting materials include solvent and other chemical constituents, all prudent

precautions shall be taken to ensure the safety of personnel during storage, handling,

painting and drying.

6) Most paints contain flammable liquids and are thus a fire hazard. Equipment, lighters,

etc., eating a park or flame shall be kept away from working area. No smoking will be

allowed in working areas. All electric equipment shall be spark free.

7) Food preparation and eating place shall be separate from painting area.

8) When indoor coating is required, ventilation shall be provided to prevent workers from

inhaling vapors of solvent, dust and paints. Fan(s) shall be set up at lower section of

work area and ventilator shall be set up at upper section of work area.

9) Worker shall wear safety mask and face protector.

10) The foothold (or scaffold) shall be set up to insure worker safety and shall be checked

regularly. Safety net shall be provided protect worker.

11) Worker must wear face goggles during painting.

12) When handing painting materials for a long time, worker shall wear gloves, protection

cloth, face protector, food mask and goggles to prevent toxic effects. Protective creams

and lotions are often used on hands, arms and face. If worker’s skin is stained with paint,

clean the skin with adequate solvent and soap.

13) Adequate fire-fighting equipment shall be installed to protect against a fire in paintstorage place.

8. COATING SYSTEM

8.1. Application of Materials

1) Painting system for complete vendor product

a) The type and number of protective coating for complete vendor items which requires

corrosion protection shall be in accordance with the technical specification of maker

standard.

b) Final color of complete vendor product shall be applied in accordance with Customer

requirements. If final color is not requirement with Customer requirements, it shall beapplied in accordance with manufacturer’s Standard Color.

8.2. Painting System

No DescriptionSurface

Preparation

Application

RemarkNo

of

coat

Paint Type

Min.

D F T

(㎛)

Work

Scope

Surface Temp

( )

1Spray Dryer

Absorber(SDA)

Out

sideSP 10 1

st

Inorganic zinc

silicate primer75 Shop 75~134

Insulated

-Sherwin

Williams


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PAGE : 12 of 20

In

sideSP 10 1

st

Inorganic zinc

silicate primer30 Shop

Only for

Transportation

-Sherwin

Williams

2 Fabric Filter

Out

side SP 10 1st

Inorganic zinc

silicate primer 75 Shop

75(continuous.)

134(rarely)

Insulated

-SherwinWilliams

In

sideSP 10 1

st

Inorganic zinc

silicate primer30 Shop

Only for

transportation

-Sherwin

Williams

3

Recycle mix tank

Out

sideSP 10

1st

Inorganic Zinc

Silicate primer75 Shop

40~50 -Sherwin

Williams

2nd

H.B Polyamide

Epoxy75 Shop

3rd Polyurethane 75 Shop

In

sideSP 10 Glass Flake Lining Shop

Atomizer Feed

Tank

Out

sideSP 10

1st

Inorganic Zinc


40~50 -Sherwin

Williams 2

nd

H.B Polyamide

Epoxy75 Shop

3r Polyurethane 75 Shop

In

sideSP 10 Glass Flake Lining

Storage Tank

-Recycle slurry

storage tank

-Lime slurry

storage tank

Out

sideSP 10

1st

Inorganic Zinc


40~50 -Sherwin

Williams

2nd

H.B Polyamide

Epoxy75 Shop


Inside

SP 10 Glass Flake Lining After ErectionSite

Tank

-SDA make-up

water tank

Out

sideSP 10

1st

Inorganic Zinc


40~50 -Sherwin

Williams 2

nd

H.B Polyamide

Epoxy75 Shop


In

sideSP 10

1st

Inorganic Zinc


40~50 -Sherwin

Williams

2nd

H.B Polyamide

Epoxy100 Shop

3rd

H.B Polyamide

Epoxy100 Shop

4

Silo

-

Recycle

ash silo

-Lime

storage

silo

ShellOut

sideSP 10

1st Inorganic ZincSilicate primer 75 Shop

AMB

Not

Insulated

-Sherwin

Williams

2nd

H.B Polyamide

Epoxy75 Shop


Hopper

(cone)

Out

sideSP 10 1

st

Inorganic Zinc

Silicate primer75 Shop AMB

Insulated

-Sherwin

Williams

In

sideSP 10 1

st

Inorganic Zinc


Only for

transportation

-Sherwin

Williams

5 FGD DuctOut

side SP 10 1st

Inorganic Zinc

Silicate primer 75 Shop 75~134

Insulated

-SherwinWilliams


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In

sideSP 10 1

st

Inorganic Zinc


Only for

transportation

-Sherwin

Williams

6

Outdoor and Off shoreLocated Non metallic

surface

-Galvanized Steel

-Stainless Steel

-Copper, Bronze

-Aluminum, Nickel

No painting is needed AMB

7 Structural Steel

Out

doorSP 10

1st

Inorganic Zinc


AMB -SherwinWilliams

2nd

H.B Polyamide

Epoxy75 Shop


In

doorSP 10

1st

Inorganic Zinc


2nd

H.B Polyamide

Epoxy100 Shop


8

Structural Steel

- Handrail, Ladder

- Checked Plate

- Piping support

Out

sideSP 10

1st

Inorganic Zinc


AMB -Sherwin

Williams

2nd

H.B Polyamide

Epoxy75 Shop


Structural Steel

- Grating,- Stair Thread

Out

side SP 10

Galvanizing will be performed in accordance with ASTM A153,

BS 729, BS3083, DIN 50976, BS 4479, KSD8308 (Refer topara 4.6)

Piping

-slurry piping

Out

sideSP 10

1st

Inorganic Zinc


Up to 60

Not

Insulated

-Sherwin

Williams

2nd

H.B Polyamide

Epoxy75 Shop


Piping-Fly ash (Pneumatic)

Maker Standard (Shop Finish Painting)

Piping

-Service Air piping

-closed coolingwater piping

- Maker up water

piping

- Portable water

piping

Out

sideSP 10

Galvanizing will be performed in accordance with ASTM A153,

BS 729, BS3083, DIN 50976, BS 4479, KSD8308 (Refer to

para 4.6)

10

Agitator Maker Standard (Shop Finish Painting) AMB All motors are

applied.

Stainless or

Galvanized

steel is not

needed to

paint

Lime Slaker Maker Standard (Shop Finish Painting) 60~90

AtomizerMaker Standard (Shop Finish Painting) 81~134

Atomizer Cooling Air Fan Maker Standard (Shop Finish Painting) AMB

Water Pump Maker Standard (Shop Finish Painting) AMB


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Slurry Pump Maker Standard (Shop Finish Painting) AMB

Air compressor Maker Standard (Shop Finish Painting) AMB

Weighing hopper feeder

(Lime)

Maker Standard (Shop Finish Painting) AMB

Feed hopper

(Recycle ash)Maker Standard (Shop Finish Painting) AMB

Bin activator Maker Standard (Shop Finish Painting) AMB

Vibrating screen

(Lime slurry)Maker Standard (Shop Finish Painting) 0~90

Vibrating screen

(Recycle ash slurry)Maker Standard (Shop Finish Painting) 0~90

Jaw crusher Maker Standard (Shop Finish Painting) 0~77

Reversible conveyor Maker Standard (Shop Finish Painting) 0~77

Lump breaker Maker Standard (Shop Finish Painting) 0~77

Air dryer Maker Standard (Shop Finish Painting) AMB

Motor Maker Standard (Shop Finish Painting)

11 Air Receiver Tank

Out

sideSP 10

1st

Inorganic Zinc


Up to 130-Sherwin

Williams 2

nd

H.B Polyamide

Epoxy75 Shop


In

sideSP 10 1

st

Inorganic Zinc


-Sherwin

Williams

12 Ash handling Vessel Maker Standard (Shop Finish Painting) 20

13 Steam Heater Maker Standard (Shop Finish Painting) 150

14

Valve

-steam piping

Out

sideMaker Standard (Shop Finish Painting) Up to 400 Insulated

Valve

-slurry piping

-Service Air piping

-closed cooling

water piping

-Make up water

piping

-Portable water

piping

Out

sideMaker Standard (Shop Finish Painting) Up to 60

Not

Insulated

15 Panel

Out

door

Electric Powder Coating (Min.80㎛) 50

Stainless or

Galvanized

steel is not

needed to

paint

In

door

16 Junction Box

Out

door

N/A 60

Stainless or

Galvanized

steel is not

needed to

paint

In

door

17

Anchor Bolts &

Embedded

Materials

Out

door Galvanizing will be performed in accordance with ASTM

A153, BS 729, BS3083, DIN 50976, BS 4479, KSD8308

(Refer to para 4.6)

AMB

Stainless or

Galvanized

steel is not

needed to

paint

In

door


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18

Bolts & Embedded

Materials for Steel

Structure

Out

door

Dacrotized AMB

Stainless or

Galvanized

steel is not

needed to

paint

In

door

1) Note:1. Final color shall be applied in accordance with Customer requirements.(5.4, 5.5)

If it is not required, it shall be applied in accordance with manufacturer’s Standard Color.

8.3. Safety Color Code

The safety color code is based on ANSI Z535.1 and shall be as follows for the proposal.

The supplier shall be noted that these colors are subject to change in accordance withemployer/engineer ’s approval.

Safety Color Application

RedFire protection and emergency; shall be used for hydrants and associated piping, fire

fighting equipment and facilities, including emergency shutdown controls.

GreenSafety; shall be used for first aid and protective equipment and facilities, sealing

devices, valves, including safety bulletin boards, gas mask boxes, and first aid kits.

YellowCaution; shall be used to designate location of physical hazards which might cause

stumbling, falling, tripping.

Orange

Alert; shall be used inside of removable guards for pull-up, shafts, chains, etc., inside

enclosed doors for electrical equipment, etc. Stop valves associated with relief

valves, any valves which for safety reasons are locked open.

Black and Yellow Stripe

Danger; shall be used for dangerous curbs, bottom risers, lap landings of stairways,

exposed and unguarded edges of platforms and walks, lower pulley blocks of cranes,

bumpers of fork lift trucks and cranes, pillar posts and columns in areas hazardous to

personnel (painted up to 2 meters above deck), and dead end passage ways.

Blue Information; shall be used for informational signs and bulletin boards.

8.4. Final Painting

This specification states final painting colors, which are based on the RAL numbers as aContractor’s standard, for equipment provided by Seller.

8.4.1. Standard Colors of Equipment Painting

Item

No.Description Color RAL Code Remarks

1.

General indoor equipment, such as STG,

condenser, pumps, etc Signal White RAL 9003Except Atomizer

2.General outdoor equipment, such as boiler,

pumps, vessels, etcSignal White RAL 9003

3 Desulfurization System Structure Saphire Blue RAL 5003

4.Crane bridges, monorail, trolleys, hoist, etc.,

and other mobile equipmentSignal Yellow RAL 1003

5. Tanks/Silos Signal White RAL 9003

Band (RAL)

- Lime : 1021/4001

- Recycle Ash :

1021/3001

6. Chimney (Stack) Traffic Red /Pure White

RAL 3020 /RAL 9010


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Item


7. Grating and tread of platforms and stairways Galvanized -

8.Checkered plates (steel floor), Galleries,

stairways, kick steps, ladder etc.Signal White RAL 9003

Checked plate

for SDA, Duct,

Silo, Tank Item

9. Railings for floor, plate, stair Signal Yellow RAL 1003

10.Fire-fighting equipment namely, piping &

fittings, and valvesSignal Red RAL 3001

11.Local control panel for mech. equipment

(indoor)Pebble Grey RAL 7032

12.Local control panel for mech. equipment

(outdoor)

Pebble Grey RAL 7032

13. Electrical equipment (indoor) Pebble Grey RAL 7032Except Atomizer

Cooling Air Fan

14. Electrical equipment (outdoor) Pebble Grey RAL 7032

15. Power transformer (external) Pebble Grey RAL 7032

16. Isolated phase busduct Pebble Grey RAL 7032

17. Segregated phase busduct Pebble Grey RAL 7032

18. Control panel (indoor) Pebble Grey RAL 7032 note

19. Control panel (outdoor) Pebble Grey RAL 7032 note

20. Instrument cabinet/rack/terminal box Pebble Grey RAL 7032

21. Control Valve & Manual Valve Pebble Grey RAL 7032

22. Penthouse(SDA, Fabric filter)Signal White

or Light Ivory

RAL 9003

or RAL 1015

23. All safety purposes As per safety

color code

24 Vessel (Ash handling) Signal blue RAL 5005

25 Jaw crusher (Ash handling)Maker

Standard

Maker

Standard

26 Reversible conveyor (Ash handling)Maker

Standard

Maker

Standard

27 Lump breaker (Ash handling)Maker

Standard

Maker

Standard

28 Lime Slaker MakerStandard

MakerStandard


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Item


29Vibrating screen

(Lime slurry)

Maker

Standard

Maker

Standard

30Vibrating screen

(Recycle ash slurry)

Maker

Standard

Maker

Standard

31 Air CompressorMaker

Standard

Maker

Standard

32 Air Receiver Tank Signal blue RAL 5005

RAL

3001/5005/3001

Band

33 Air DryerMaker

Standard

Maker

Standard

34 AgitatorMaker

Standard

Maker

Standard

35Weighing hopper feeder

(Lime)

Maker

Standard

Maker

Standard

36Feed hopper

(Recycle ash)

Maker

Standard

Maker

Standard

37 Bin activatorMaker

Standard

Maker

Standard

38 Truck ScaleMaker

Standard

Maker

Standard

39 Slurry PumpMaker

Standard

Maker

Standard

40 Water Pump Emerald green RAL 6001RAL 4001/2003

Band

41Vent filter

(Fly Ash Silo)

Maker

Standard

Maker

StandardMaker Standard

42Vent filter

(Recycle Ash Silo)

Maker

Standard

Maker


43 Pug MillMaker

Standard

Maker


1) Note : The color code of the control panels shall be determined at the owner’s review of

the packaged control system.

8.5. Piping Color Code

8.5.1. General

1) Piping materials shall be identified and color coded in accordance with ANSI A13.1. All

electrical conduits shall be identified using acceptable industry practice.

8.5.2. The product color code system shall consist of the following;

1) A colored band around pipe to indicate classification of product

2) Black lettering and black directional arrow to indicate flow direction between colored


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bands to identify the specific product within the general classification

8.5.3. Color code

1) Final colors shall be as given below. In case of galvanized, stainless steel and heat

isolated pipe, only color band shall be applied instead of painting. The color band shall

be painted around pipe..The banding color code shall be in accordance with the following:

Service/FluidPipe

MaterialColor RAL Code Legend Remarks

Closed cooling water Carbon SteelBase – Emerald green

Band - Beige

RAL 6001

RAL 1001CW Galv.

Water Supply Carbon Steel

Base – Emerald green

Band -

Red lilac/Pastel orange

RAL 6001

RAL 4001/2003RW Galv.

Potable Water Carbon SteelBase – Emerald green

Band - Emerald green

RAL 6001

RAL 6001PW Galv.

Lime Powder Carbon Steel

Base – Signal blue

Band - Rape Yellow/ Red lilac

RAL 5005RAL 1021/4001

Lime Slurry Carbon Steel

Base - Emerald green

Band - Rape Yellow/ Red lilac

RAL 6001

RAL 1021/4001LS

Recycle Ash Powder Carbon Steel

Base – Signal blue

Band - Signal

red/Silver grey

RAL 5005

RAL 3001/7001RA

Recycle Ash Slurry Carbon Steel

Base - Emerald green

Band - Rape Yellow/ Signal

red

RAL 6001

RAL 1021/3001RS

Service Air Carbon SteelBase – Signal blue

Band - Signal red

RAL 5005

RAL 3001SA Galv.

Instrument Air Stainless SteelBase - Signal blueBand - Signal red /Signal

blue/ Signal red

RAL 5005RAL

3001/5005/3001

IA

Air to Ashes Carbon SteelBase – Signal blue

Band - Signal red

RAL 5005

RAL 3001SA Galv.

Fly ash (Pneumatic) Carbon Steel Maker Standard Maker Standard

Pipe Support SS400 Base - Signal White RAL 9003 -

8.5.4. Directional Arrow

1) The flow direction shall be indicated by black paint.

The arrow thickness at its widest point shall be equal to the letter height..

8.5.5. Legend

1) Legend shall be brief, informative, pointed, and simple in full or abbreviated form.

Language shall be sued in English.

Letter height shall be in accordance with the following

Outside diameter (pipe, jacket, insulation) Letter height

mm

40mm to 60mm 20

>60mm to 170mm 45

>170mm to 270mm 65


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Outside diameter (pipe, jacket, insulation) Letter height

mm

>270mm to 90

8.5.6. Location of Color Bands

1) Pipes

a) Color bands shall be applied to pipe immediately inside and outside of buildings,

adjacent to and on both sides of walls or partitions, and in other location as necessary

to further identify systems and maintain uniformity.

b) Band shall be applied as following spacing

Pipe Size(DN) Band Spacing(m)

Up to 50 4

65 to 150 7

Over 200 10

2) Vessels and Tanks

a) Markings shall normally be applied at the tank centerline but not more than 1.5m (5

feet) up from the base. Markings will normally face any entrance to the vessel area.

8.5.7. Color Code Sketch for Piping System (Example)

1) Identification band, legend and directional arrow

a) In case of galvanized and stainless steel, heat isolated;

- Isolation cladding – Base color – Band color – Base color – Isolation cladding

- Base color shall be painted upstream and downstream of a band but limited to

between isolation claddings only..

- Cladding shall be located to separate painted surface from unpainted surface.b) As indicated on each pipe at suitable position as following figure:


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FIGURE 1. Galvanized and stainless steel, heat isolated pipe

FIGURE 2. Ordinary pipe

2) Identification Band

Outside diameter (pipe, jacket, insulation) Identification bandmm

Arrow lengthmm

0 to 50 mm 50 100

+50mm to 150 mm 100 150

+150mm 200 200

wd946-ez300-00009 procedure for painting rev 0

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