BK4-032-TS-AZ7-SP-01 (02BG)_1_

VIETSOVPETRO

VIETSOVPETRO

RESEARCHRESEARCH AND ENGINEERING INSTITUTE FOR OIL AND GAS VIETSOVPETRO

RESEARCH & ENGINEERING INS11-111T =

MODIFICATION AT WHITE PROJECT NAME : RECEIVE GAS FROM THIEN

FIELDS

SUB-PROJECT NAME : BK-4 MODIFICATION

DOCUMENT TITLE : PAINTING SPECIFICATION

DOCUMENT No. : BK4-032-TS-AZ7-SP-01

TIGER FIELD TO UNG, DAI HUNG

CONTROLLED i ,

ci-i---- 021 e1/4'/-4- Otlitg 9/- 1 ISSUED FOR

APPROVAL 15.01.2014 L.C. THUY L.C. THUY

BUSHKOVS- KIY A.L.

B.T. HAN /L.V. DZUNG

0 ISSUED FOR APPROVAL

02.01.2014

REV. DESCRIPTION DATE PREPARED CHECKED DEP. CHIEF DEPART.

ENG. MANAGER

PRO. MANAGER

eIN EN VIETSOVPETRO

VIETSOVPETROEl=

MODIFICATION AT WHITE TIGER FIELD TO RECEIVE GAS FROM THIEN UNG,

DAI HUNG FIELDS. BK-4 MODIFICATION

SPECIFICATION FOR PAINTING AND PROTECTIVE COATING

Doc. No BK4-032-TS-AZ7-SP-01

Rev. No 1

of 38

CONTENTS

1. INTRODUCTION. .4

1.1 General 4

1.2 Purpose 4

1.3 Scope of Work 4

1.4 Definitions 4

1.5 Units 4

1.6 Language 4

1.7 Abbreviation .5

2. CODES, SEPCIFIACTIONS AND REFERENCES 5

3. TECHNICAL REQUIREMENTS 7

3.1 Environmental Conditions .7

3.2 Painting and Coating Scope 7

3.3 Coating Materials .8

3.4 Application Conditions 9

3.5 Preparation for Painting and Protective Coating 10

3.6 General Coating Application 17

3.7 Workmanship 23

4. HEALTHS AND SAFETY 24

4.1 General .24

4.2 Handling of Chemicals 25

4.3 Spray and Blasting Operations 26

4.4 Pressure Equipment 26

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4.5 Earthling 26

4.6 Breathing Apparatus 27

5. HANDLING AND SHIPPING OF FINISHED PRODUCT 27

6. INSPECTIONS AND TESTING 27

6.1 General 27

6.2 Responsibility For Inspection And Testing 28

6.3 Inspection And Test Requirements 28

6.4 Pre-Coating Inspection 30

6.5 Coating Thickness 30

7. TEST PLAN.. 33

8. COLOR CODE 34

9. GENERIC PAINTING SCHEDULES .35


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1 INTRODUCTION

1.1 General

BK4 modification is a part of Thien Ung gas gathering project to connect the natural

gas from the Thien Ung and Dai Hung fields with the Bach Ho oilfield, and then to

transport to onshore for other industrial use or living needs.

1.2 Purpose

The purpose of this document is to recommend general technical specifications for

painting design to protect from external corrosion for steel structures, piping, process,

valves and vessels operating in marine media during BK4 modification.

1.3 Scope of Work

This specification defines applicable painting specification and the minimum technical

requirements for surface preparation, paint materials, protection coating application,

repair and handling of steel structures, piping, process, valves and vessels during

BK4 modification.

1.4 Definitions

Project: Modification at White Tiger field to receive gas from Thien Ung, Dai Hung fields. BK4 modification.

Company: I Joint Venture Vietsovpetro/ Client.

Contractor: i The company engaged to complete the fabrication portion of the

Project works.

Manufacturer: The The company, which create the equipments/materials for the

Project works.

1.5 Units

The International System of Units (S.I) shall be used.

1.6 Language


ISO: International Standards Organisation.

QA: Quality Assurance.

QC: Quality Control.

DFT: Dry Film Thickness.

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All documentation and correspondence shall be in the English Language.

1.7 Abbreviations

f VSP: l Joint Venture Vietsovpetro.

t-- PGO: Gas Production Division.

BS: British Standard.

WET: Wet Film Thickness.

2 CODES, SPECIFICATIONS AND REFERENCES

The latest editions of all applicable codes, specifications and references shall define

the minimum requirements applicable to the subject work and no statement

contained in this Specification shall be construed as limiting the work to such

minimum requirements.

Wherever conflicts or omissions between codes, specifications and contract occur,

the most onerous condition shall apply. Contractor is responsible for reviewing the list

below and informing the Client of any omissions. All conflicts shall be formally

brought to the attention of the Client.

References and Applicable Codes

The surface preparation, coat application, quality coat material and qualification of

the applied coating shall comply with the requirements as set out in the following

international standards and specifications of coat manufacturer(s).


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Nondestructive Measurment of Dry Film Thickness

Nonmagnetiic Coatings applied to a ferrous base.

Standard Test Methods for Drying, Curing, or Film Formation of

Organic Coating at Room Tempraturer.

Standard Test Methods for Measuring Adhesion by Tape Test.

Standard Test Methods for Pull-Off Strength of Coatings Using

1 Paints and varnishhe — Corrosion protection of steel structures

by protection paint system. Protective painting systems.

Paints and varnishhe — Corrosion protection of steel structures

by protection paint system. Development of specifications for

new work and maintenance.

Preparation of Steel Substrates before Application of Paints and

Related Products - Visual assessment of surface cleanliness.

Part 1: Rust grades and preparation grades of uncoated steel

substrates and of steel substrates after overall removal of

previous coatings.

ASTM D 1186

ASTM D 1640

ASTM D 3359

ASTM D 4541

Portable Adhesion Testers.

ISO 12944

Part 5

ISO 12944

Part 8

ISO 8501-1

ISO 8503

ISO 8504-3

ISO 9000

Preparation of Steel Substrates before Application of Paints and

Related Products Surface Roughness Characteristics of Blast-

. Cleaned Steel Substrates — Parts 1, 2, 3 and 4.

Preparation of Steel Substrates Before Application of Paints and

related Products — Surface preparation Methods. Part 3: Hand

and Power Tool cleaning.

Quality management systems.

NACE RP 0188 Standard Test Methods for Discontinuity (Holiday) Testing of

Protective Coatings.


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SSPC SP- 1

SSPC SP-2

SSPC SP-3

SSPC SP-5

SSPC SP-10

Solvent Cleaning.

Hand Tool Cleaning.

Power Tool Cleaning.

White Metal Blast Cleaning.

Near White Metal Blast Cleaning.

3 TECHNICAL REQUIREMENTS

3.1 Environmental Conditions

Items that have had paint and protective coatings applied may be installed either

outdoors in an unprotected area on an offshore platform or indoors. The paint and

protective coatings shall be suitable for the environmental conditions specified for

such installations in the Project Documents, and the specific details for the item being

painted and coated.

3.2 Painting and Coating Scope

3.2.1 General

Offshore production facilities covered by this specification include all new equipment,

machinery, vessels, tankage, structural steel, metal buildings, platform jackets,

platforms, and all other appurtenances except as noted below.

The following surfaces and items shall not be painted or coated:

- Non-metallic surfaces.

Surfaces to be fireproofed.

- Inside galvanized steel, stainless steel, and aluminum jacketing.

Inside galvanized surfaces including conduit.

Weatherproofing on insulation.


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— Machined surfaces.

Internal surfaces, coatings, and linings.

- Rubber hoses, belts, flexible braided connectors, nameplates, stainless steel

tubing and fittings, gauges, valve stems and motor shafts.

Surfaces to be insulated shall be prepared in accordance with this specification and

shall receive only the specified primer coat.

3.2.2 Proposal

The painting requirements will be defined in the relevant Project Specification.

However it shall include as a minimum the following descriptive for each coating

material:

Coating manufacturer's name and address.

- Complete generic description.

Trade name and ordering number.

Percent zinc content by weight for primer coats when required and percent non-

volatile solids content by volume for intermediate and finish coats.

- The proposal shall include the coating Manufacturer's standard product data

sheets for each coating material.

3.3 Coating Materials

Coating and other consumable materials shall be new and provided by the approved

by Vietsovpetro paint manufacturers. Materials shall be supplied unopened in the

coating manufacturer's containers. The unopened containers shall be clearly

identified. Labels and tags shall be intact and no coating shall be used after the

manufacturer's recommended shelf life has expired.

Mixing of different coating materials is not permitted whether or not from the same

coating manufacturer.


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Coating material shall not be mixed or kept in suspension by using a bubbling air

stream. If settling has occurred it must be remixed immediately before using. No

thinner shall be added unless necessary for proper application. Type of thinner shall

comply with the manufacturer's instructions.

Materials shall not be left in a spray pot longer than the coating manufacturer

recommends. If this limit is reached, the pot shall be emptied and cleaned, the

materials destroyed, and new material mixed.

The products of only a single coating manufacturer shall be used for each complete

coating system discussed in this specification. The use of different coating

manufacturer's products for successive coats on a single surface, or piece of

equipment, is not permitted.

Thinning of coating materials is not allowed except when specifically called for in the

coating manufacturer's recommendations. The procedure and limits for thinning shall

be in accordance with the coating manufacturer's recommendations.

Successive coats shall be of a different color or tint to provide a contrast so that

incomplete coverage can be detected.

Unless otherwise specified, the Contractor shall comply with the specified finish coat

color schedule.

3.4 Application Conditions

Coatings shall be applied under the environmental conditions established by the

coating Manufacturer. No coating shall be applied:

- On wet surfaces.

- When the relative humidity is above 85%.

When the surface temperature is less than 3°C above the dew point.

- When the wind speed exceeds 7 m/s.


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- When surface temperatures are more than 50°C or temperature recommended

by the manufacturers.

The Contractor is fully responsible for obtaining and complying with the equipment

Manufacturer's recommendations for any particular coating or system.

Outdoor surface preparation and coating shall be conducted during daylight hours.

Indoor painting is allowed 24 hours a day in a well lit building if the environmental

conditions as described are met inside the building at all times during preparation,

painting, and curing.

The Contractor's work procedures, material handling and waste disposal methods

shall include any additional precautions established by the Company Representative

to prevent release of pollutants to the surrounding environment.

The Contractor shall verify that these conditions are met before coating begins, on a

daily basis, with instruments in his possession, and keep records of these

measurements.

3.5 Preparation for Painting and Protective Coating

3.5.1 General

It is the intent of this Specification to minimize equipment or structure corrosion and

to maximize the maintenance free service life. To this end each coating system shall

be supplied and applied to provide protection for a minimum service period of ten

(10) years without significant re-work or maintenance.

The Contractor shall be responsible for the cost of surface preparation, removal of all

unsatisfactory coating and application of the coating or system in accordance with the

requirement of this Specification.

The Contractor shall provide skilled, experienced personnel to carry out all work and

shall provide competent and qualified supervision and inspection services to ensure

that the quality requirements of the Company are met and the requirements of this

Specification are complied with.


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Surface preparation for coating application will be carried out after all structural,

mechanical, piping and welding works have been completed on the equipment.

All fused flux shall be removed from welded areas and appurtenances. When

electrodes using a basic flux have been used, the welded area shall be cleaned of

alkaline residues by rinsing with water prior to blast cleaning.

Before any cleaning operation commences, all rough edges shall be reduced, surface

slivers and laps shall be ground out, and weld spatter and welds exhibiting excessive

surface roughness shall be smoothed to ensure proper paint adhesion and uniform

thickness.

Working parts of machinery and valves, instruments, glass faces of gauges, light

fittings, control panels and consoles, etc shall be protected (masked) against damage

during abrasive blasting and form the ingress of blasting abrasives and residue, and

from paint overspray.

Oil, grease, wax, dirt and other foreign matter shall be removed by cleaning and

degreasing of metal surfaces in compliance with SSPC SP-1.

Surface preparation, including abrasive blasting, shall not be carried out in the areas

where:

- Coating is being applied.

- The coating has not dried or cured.

- The coated surfaces may be contaminated with the residue of the surface

treatment process.

The preparation can effected open machinery.

Coated surfaces contaminated with abrasive or the residues of surface preparation

operation shall be deemed unacceptable and shall be cleaned back to bare metal

and re-treated to conform to the requirements of this Specification. All repair work

shall be at the Contractor's expense.


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Refreshing of previously coated materials shall be necessary only if the coating has

been damaged.

Prior to the application of any protective coating, all damage to previously applied

coatings shall be repaired. Damaged and loosely adhering coating(s) shall be

removed, the area cleaned, edges of coating breaks feathered, and designated

coat(s) reapplied.

The Contractor shall notify the Company Representative immediately of any

damaged galvanized surfaces. With Company approval, the Contractor shall repair

the damaged surfaces by:

- Solvent cleaning.

- Treating with a 10% by volume phosphoric acid wash or a vinyl butyral wash

primer, or brush blasting.

- Applying a coat of the zinc rich primer suitable for galvanizing repair.

Immediately prior to any coating application, environmental conditions shall be

checked to ensure the environmental conditions are within the limits established by

the coating manufacturer and as stated in section 3.4.

Surfaces that are not to be coated shall be properly protected from abrasive blasting

and coating, preferably with cloth or cloth tape. Any paint deposited on the surfaces

shall be removed carefully.

Cloth, cloth tape, paper secured by tape, and/or grease protection is preferred for

masking. Masking tape or other paper tape shall not be applied directly to the

protected surface. Following coating application, all such protection shall be removed

and the underlying surface restored to the original condition.

3.5.2 Preparation of Abrasive Blasting

Prior to abrasive blasting all joints are to be continuously welded, and all corners and

edges are to be rounded to a 1.6 mm minimum radius (mill edges on structural


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shapes may require rounding). Welds must be free of pinholes and all weld spatters

is to be removed prior to blasting.

Abrasive blast cleaning shall be the preferred method of surface preparation for

carbon steel and shall be completed, as a minimum, to comply with ISO 8501-1,

SSPC SP-10 or equivalent one at the time of coating.

The surface profile shall be assessed by a profile comparator in accordance with ISO

8503. Other determination techniques, (such as a calibrated depth micrometer or a

replica tape) may be used with prior Company approval. This assessment shall be

carried out at random locations over the prepared surface to provide an accurate

assessment of the surface profile.

Openings in vessels, piping and other appurtenances shall be properly protected

against entry of abrasive material.

Before and after blasting, all welds shall be closely inspected for the presence of

welding flux and spatter, slivers, inclusions, lamination, and underlying mill scale.

Imperfections shall be mechanically removed and the immediate area reblasted.

Prior to blasting, all oil, grease, mill varnish, soil, salt, and other contaminants shall

be removed by solvent cleaning in accordance with SSPC SP-1 "Surface Preparation

Specification — Solvent".

Cleaning and/or Wet Steam and Detergent Cleaning:

Construction details that result in crevices, pockets or annular spaces that cannot be

properly sandblasted or painted are not acceptable and must be

redesigned/reworked prior to blasting (channel type name-plate brackets are an

example).

All name-plates are to be stainless steel attached by continuous welding or stainless

steel rivets; all riveted nameplates are to be removed and re-installed after painting

equipment.


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For all purchased skid mounted equipment, the fabricator is to individually paint each

equipment item; this may require disassembly of the skidded system for painting. The

bottom surfaces of all base plates are to be painted unless specified otherwise.

For motors, the fan shroud is to be removed for painting the inside of the shroud and

the fan end of the motor housing; the fan is not to be painted.

The inside of guards for rotating parts is to be painted.

For flanges on vessels, piping, tanks and mechanical equipment:

- The 1.6 mm radius is required on the outside corners of the flange.

- The 1.6 mm radius is not required on flange bolt holes.

Paint must continue to the outside diameter of the gasket-seating surface.

For painting of shell and tube heat exchangers, the channel and bundle must be

removed after hydrostatic test for painting (edge of tube sheet must also be painted if

carbon steel); or, as an option, all fluorocarbon coated studs that join the channel to

shell must be removed, four to six temporary studs installed for the blasting and

painting operation, and the fluorocarbon coated studs replaced after all painting is

completed. Channel covers must be removed for blasting and painting up to the

tongue and groove of the gasket seating surfaces.

Fin/fan exchangers must have the back face of the tube sheet blasted and painted

after header box fabrication and drilling but before the tubes are installed.

Equipment that does not require protective painting over the Manufacturer's standard

paint should be identified. For example perhaps engine/generator sets or perhaps

equipment inside sound attenuating enclosures.

3.5.3 Materials and Conditions for Abrasive Blasting

Abrasive material shall be hard, virgin, silica sand in accordance with the specified

technical requirements about quartz sand quality the Project's painting procedure or

other Company approved abrasives. Rounded river sand or beach sand is not

acceptable. Sand shall be used only once.


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Blast abrasive shall be dry, clean and free from contaminates in accordance with the

protocol for abrasive material quality check in the Project's painting procedure. It shall

be of a type and size adequate to give a surface profile or anchor pattern of 30

microns to 80 microns unless specified otherwise. The abrasive shall contain no

more than 75 parts per million chlorides by weight.

To achieve the required anchor profile, abrasive particle size shall follow the surface

preparation commentary of the SSPC manual as necessary to comply with ISO 8501-

1, SSPC SP-10 surface Preparation Specification — White metal Blast Cleaning or

equivalent one.

Abrasive material shall contain no impurities or contaminants and shall be in

compliance with all applicable local and federal regulations.

Blasting is not permitted if the relative humidity is greater than 85 percent, or if the

surface temperature is less than 3 °C above the air dew point.

The compressed air supply for blasting shall be free of detrimental amounts of oil and

water. Adequate separators and traps shall be provided and shall be frequently

checked and emptied.

Blasting to white metal shall be allowed only during daylight hours and only on

surfaces that will receive the first primer coat before sundown of the same day that

the white metal blast is complete. Surfaces that remain uncoated overnight shall be

reblasted to white metal prior to applying the first primer coat.

Where repair or re-coating is carried out on coating systems, the affected area shall

be whip blasted to provide adequate paint key. The blast cleaning shall carry over to

the secure surrounding coating for a distance not less than 25 mm. The coating

edges shall be chamfered by a method approved by the Company.

Stainless steel and aluminum surfaces, which are to be coated, shall be solvent

cleaned. Stainless steel surfaces shall be abraded by abrasive blasting using non-

metallic abrasives with a chloride level less than 75 ppm by weight.


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Care shall be taken to ensure aluminum, stainless steel, and in general all dissimilar

metals, are segregated from the surface preparation operations of carbon steel

materials.

3.5.4 Abrasive Blasting

Abrasive blasting shall be done in an area removed from coating operations and

coated surfaces that are not yet dry.

No abrasive blasting shall be permitted in the vicinity of project related machinery,

equipment with moving parts, instruments, or control mechanisms.

Only bone-dry abrasive blasting procedures shall be allowed.

All steel surfaces to be coated shall be cleaned to near white metal in accordance

with ISO 8501-1 or equivalent.

In general, blasted surfaces shall have anchor patterns in accordance with the

coating manufacturer's recommendations.

Surfaces are to be applied shall have anchor patterns between a minimum of 30

microns and a maximum of 80 microns.

Surfaces shall be thoroughly cleaned of dust and contamination before new coatings

are applied.

Surface blasting to near white metal shall extend a minimum of 150 mm beyond the

area to be coated during the same day. Surface blasting to near white metal shall

continue a minimum of 25 mm into adjoining previously coated surfaces. The edges

of the previous coating shall then be feathered.

No acid washes, cleaning solutions, solvents, or inhibited washes intended to prevent

rusting shall be applied to surfaces after abrasive blasting and prior to the first primer

coat application.

In the event of abrasive cleaning being impractical or unsuitable, steel surfaces may

be mechanically cleaned using power tools such as wire brushes, needle guns, etc.


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This should be necessary; power tool cleaning shall be performed according to grade

St 3 of the standard ISO 8501-1 or equivalent one at the time of coating.

3.5.5 Special Considerations

If surfaces on machinery and equipment cannot be abrasive blasted without damage

or contamination of moving parts or other critical surfaces, the surfaces shall be

solvent cleaned as specified in SSPC SP-1. After solvent cleaning, the surfaces shall

be cleaned by hand and/or power tool as specified in standard SSPC SP-2 surface

Preparation Specification — Hand Tool Cleaning or in standard ISO 8501-1, grade St

3.

Surfaces that have already received an equipment manufacturer's coating system,

which is approved in writing by the Company, shall be solvent cleaned as specified

by SSPC SP-1.

If the equipment manufacturer's coating system was not an approved coating or

brand, it shall either be removed to bare metal or recoated in accordance with this

specification, or with Company approval it may be top coated. If top coated, the

surface shall be solvent cleaned per SSPC SP-1 and primed with a suitable universal

primer.

The intermediate and finished coats shall then be applied. The Contractor shall be

fully responsible for compatibility between the equipment Manufacturer's prime coat,

the universal primer and the intermediate coat.

3.6 General Coating Applications

Coating shall be applied in accordance with the requirements established by this

specification and the recommendations of the coating manufacturer. Any area not

specifically covered shall be in accordance with the principles and guidelines set forth

in the SSPC Manual.

In particular attention should be paid to thinning, mixing and curing times between

subsequent coats. The solvent rub test shall be used to verify the cure of inorganic


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zinc silicate primer prior to over coating. Any brushing shall be carried out such that a

smooth, uniformly thick coat is obtained.

There should be no deep or detrimental brush marks. Paint shall be worked into all

crevices and corners. Runs or sags shall be brushed out.

No coating shall be applied to surfaces that have not been prepared in accordance

with the requirements of section 3.5.

Prior to coating, surfaces blasted to white metal shall be dust free. The surfaces shall

be dusted preferably by dry brushing or by vacuuming with an industrial vacuum

cleaner. Pressure air blowing is permitted if suitable precautions are taken to ensure

that the air is free of moisture, oil, and other contaminants.

Coatings shall not be applied within 150 mm of unprepared surfaces or within 150

mm of edges prepared for subsequent welding.

The initial primer coat shall be applied as soon as possible after preparation. In all

cases the primer coat shall be applied during daylight hours on the same day the

surface is prepared.

In general, intermediate and finish coatings shall be applied following final assembly

of component parts. Surfaces shall be in the final configuration.

Any surfaces inaccessible for proper coating application and/or inspection shall be

coated prior to final assembly. Specifically, flange faces and bolt holes shall be

coated prior to final installation. The Company representative will designate

inaccessible areas.

Prior to applying a succeeding coat, all coatings shall be allowed to dry at site

ambient conditions for at least the minimum time specified by the coating

manufacturer and not longer than the maximum time for site ambient conditions.

No coating shall be applied over a previous coating that is not thoroughly dry.

Coatings shall be applied by brush to all crevices, corners, edges, and other hard-to-

spray areas in accordance with 3.6.2.


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The coating film thickness referred to in this specification shall be the dry film

thickness measured by a properly calibrated film thickness gauge and are minimum

values.

All areas such as external corners and edges, welds, bolts, nuts and interstices

(excluding galvanized surfaces) shall receive a "stripe" coat prior to application of the

specified coat (excluding the inorganic zinc silicate primer) to ensure that these areas

have at least the minimum specified film thickness and to ensure continuity of the

coating. The "stripe" coat shall be allowed to become touch-dry prior to coating with

the specified coat.

All areas that will be subject to welding after painting shall be masked after blast

cleaning. Masking shall preferably be with cloth or cloth tape and shall extend at least

50 mm on all sides of the intended weld area.

The contact surface of earthling bosses shall be masked after blast cleaning.

Nameplates shall be suitably masked before blast cleaning to protect from blasting

abrasive and paint.

The cured coatings shall be visually free of pinholes, voids, bubbles, mud cracking

and other "holidays".

Each coat shall be in a proper state of cure or dryness before the application of the

next coat. In practice, the overcoating time shall be determined basing on the

instructions of the paint Manufacture(s) offered in Product Datasheet for each paint

type and can be determined basing on the standard ASTM D 1640 — Standard test

methods for Drying, Curing, or Film Formation of Organic Coatings at Room

Temperature when required. Material shall be dry for re-coating when an additional

coat can be applied without the development of any detrimental film irregularities,

such as lifting or loss of adhesion of the undercoat. Manufacturer's instructions shall

be followed.

When successive coats of the same color have been specified, alternate coats shall

be tinted, when practical, sufficiently to produce enough contrast to indicate complete


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coverage of the surface. When the material is the color of the steel, or when the

tinting of the final coat is objectionable, the first coat to be applied shall be tinted. The

tinting material shall be compatible with the material and not detrimental to its service

life.

Prior to the application of any coat of material all damage to previous coats shall be

touched up with the specified coating. Damage prior to delivery of finish coating shall

be reprimed and refinished.

3.6.1 Spray Application

Spraying coating shall comply with the following:

Coating Manufacturer's recommendations.

Spray equipment Manufacturer's recommendations for the coating materials.

This specification.

Spray Equipment:

Conventional air spray equipment shall be suitable for the intended purposes. The

type of gun, air caps, nozzles, and needles shall comply with the coating

manufacturer's application instructions and data sheets.

Suitable traps and separators shall be installed to remove water, oil, and other

contaminants from the air supply. Traps and separators shall be of the continuous-

bleed type and shall be checked frequently to prevent carryover.

Suitable regulators and gauges shall be installed in the air supply to the pressure pot

and the gun.

Airless spray equipment is acceptable if the minimum requirements established in

this specification are met, if airless spray application is recommended by the coating

manufacturer, and if specific equipment is approved by the Company.

Application:


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Prior to paint application, all coating materials shall be vigorously stirred and/or

agitated in spray pots until pigments, vehicles, and catalysis are thoroughly mixed.

During application, coatings can be continuously stirred by mechanical spray pot

agitators or other approved means if required by the Manufacturers.

Prior to adding new material, lines, pots, and guns shall be thoroughly cleaned

following each application. Solvents left in the equipment shall be completely

removed before coating the prepared surfaces.

For optimum spraying effectiveness, the pressure on the material in the pot and of

the air at the gun shall be adjusted and maintained to deliver the material at the rate

specified by the coating manufacturer. Air pressure and volume shall be the minimum

required to properly atomize the coating material.

The spray pattern shall be adjusted so that the coating is deposited in uniform layers

with the correct wet film thickness.

The spray gun shall be held perpendicular to the surface at all times and at a

distance that will ensure depositing a fully wet layer of material on the surface.

Arching of the spray gun is not permitted.

Parallel, even passes shall be made that overlap the previous spray coating by 50

percent. Large continuous surfaces shall be coated by two passes made at right

angles to each other.

All runs, air bubbles, sags, and other imperfections shall be brushed out immediately

or the coating shall be removed and the surface resprayed.

3.6.2 Brush Application

Coatings shall be applied with a brush in all areas that cannot be spray coated

properly.

Brushes shall be of a style, quality, and composition (pure bristle or nylon bristle) that

enable proper coating application.


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Round or oval brushes are the most suitable for rivets, bolts, irregular surfaces, and

rough or pitted steel.

Wide flat brushes are suitable for large flat surfaces. A brush width greater than 125

mm is not acceptable.

Successive coats shall be applied by crosshatching the previous coat.

Runs, air bubbles, and sags shall be brushed out immediately.

Coating shall be worked into all crevices and corners. Surfaces not accessible to

brushes shall be coated with daubers.

3.6.3 Touch-up and Repairs

Touch-up and/or repair of damaged coatings shall be carried out to ensure that the

coating requirements for the particular surface comply with this Specification.

Coating damage not exposing steel surfaces shall be cleaned and abraded. Hard

edges shall be feathered. The coating shall be made good to the full coating system

nominated for the area and complying with this specification.

Coating damage exposing steel surfaces shall be prepared in accordance with all

applicable paragraphs of Section 3.0 and coatings applied to produce a finished

system conforming to the requirements of this specification.

3.6.4 Drying of Coated Surfaces

No coat shall be applied until the preceding coat has dried. The material shall be

considered dry for re-coating when another coat can be applied without the

development of any film irregularities such as lifting or loss of adhesion or

undercoats, and the drying time of the applied coat does not exceed the maximum

specified for it as a first coat.

No paint shall be force dried under conditions that will cause cracking, wrinkling,

blistering, formation of pores, or detrimentally affect the condition of the paint. No


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drier shall be added to a point on the job unless specifically called for in the

manufacturer's specification for the paint.

Paint shall be protected from rain, condensation and contamination until dry to the

fullest extent practicable.

3.6.5 Coating Systems and Procedures

Coating systems to be used are given in the Project document: Generic Coating

Systems. The color of final coats shall be as per the below specified color code.

3.6.6 Galvanizing Surfaces

Unless otherwise specified all gratings, stairways and miscellaneous hardware shall

be hot-dip galvanized in accordance with ASTM A 123, Specification for Zinc (Hot-

Galvanized) Coatings on Products Fabricated from Rolled, Pressed, and Forged

Steel shapes, Plates, Bars, and Strip.

Fabrication shall be completed (including all cutting, shipping, welding, and cleanup)

prior to beginning solvent cleaning and acid treatment of surfaces to be galvanized.

The weight of zinc coating shall average 0.75 kg/square meter. No specimen shall be

less than 0.67 kg/square meters.

Preferably, all surfaces to be galvanized shall be coated in a single hot dip. If the size

or configuration of the item does not permit a single dip, additional dipping may be

performed as long as the final galvanize surface is free of overlaps, spikes,

teardrops, cracks, or flakes.

If the Contractor does not have hot-dip galvanizing facilities, the Contractor shall

subcontract experienced, competent coaters.

The Contractor shall verify that the Coater's facility has the capacity to galvanize

properly the required items. All subcontracted work shall be approved by the

Company.

3.7 Workmanship


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The Contractor shall comply with the minimum requirements established by this

specification, but has exclusive control over the detailed manner for performing the

required work.

The Contractor shall work in a careful, diligent, and prudent manner and shall

achieve results that exhibit high quality craftsmanship.

Prior to beginning work, all Contractor personnel shall be thoroughly familiar with the

material, equipment, this specification, and all applicable standards and codes.

Care shall be exercised at all times to prevent splashing, dropping, spillage, and over

spray of coating and abrasive materials.

The Contractor shall protect all equipment, walls, floors, ceilings, and other surfaces

from damage by coating materials and other contaminants.

The Contractor shall clean any accidentally applied material from all surfaces. No

permanent color or stain shall remain from accidentally applied materials.

Good housekeeping procedures shall be established and followed at all times. When

work is complete, the Contractor shall leave all work areas in a condition equal to that

when work began.

4 HEALTHS AND SAFETY

All Coating Contractors using this standard shall have a section in their Safety

Management System devoted to industrial coating applications. This shall include,

but not be limited to the following sections:

4.1 General

A safe area shall be established and clearly identified for handling and storage of all

flammable materials and for waste disposal. No source of ignition shall be permitted

within the safe area at any time.

The Contractor shall take proper precautions before and during work in confined

areas and/or in areas with the potential for fire or explosion.


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If possible, all electrical equipment shall be located remote from the hazardous work

area in a well-ventilated, non-hazardous space.

All electrical equipment intended for such areas shall be of an approved type in

accordance with the area classification requirements established by the relevant IEC

codes.

The Contractor shall provide and maintain fire extinguishers approved for the

expected fire hazard near or in all work areas.

The Contractor shall provide and install sufficient scaffolding and staging for easy

access during surface preparation, coating application, and inspection of all surfaces.

The supporting structure and the surface or item being worked on shall be

constructed so that workers will have free use of body and arms.

The structures shall be provided with safety features that will help prevent accidents.

The structures shall comply with all applicable OSHA requirements.

The Contractor shall exercise extreme care and caution when working in the vicinity

of in-service facilities. All valves, switches, and controls shall remain unmoved and

undisturbed.

4.2 Handling of Chemicals

Material Safety Data Sheets (MSDS's) shall always be available for review during

transport and prior to the application of the product. Manufacturer's instructions for

the safe handling of products shall be followed to minimize the risk of injury or

creation of health hazards to personnel.

Handling of coatings and chemicals shall be carried out with due care and diligence.

The correct use of personal protection equipment (PPE) shall be employed during the

coating preparation and application.

Disposal of chemicals must be treated with due regard to environmental protection.


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4.3 Spray and Blasting Operations

Abrasive blasting and spray coating shall be performed with approved equipment by

experienced operators.

The Contractor shall provide all operators with hoods for protection against abrasives

and with paint masks that are OSHA approved for extended service. The hoods and

masks shall be worn at all times when work is being done.

Pressure vessels, such as sand hoppers and compressed-air volume tanks, shall be

protected from over-pressurization with automatic pressure relieving devices.

Pressure nozzle controls shall be of the fail-safe, dead-man type.

Pressure hose connections shall incorporate a positive locking mechanism to prevent

accidental disconnection (For example, quick-connect connections shall have safety

wire in place).

Adequate ventilation shall be provided in confined areas with blowers capable of a

minimum of 12 air changes per hour.

Spray and blasting equipment in confined areas shall be securely grounded to

dissipate static electrical charges.

Hand tool shall be made of spark-proof materials.

4.4 Pressure Equipment

The safe operation of all pressure equipment shall be detailed in the Contractors

Safety Management System and show how, when and records for the inspection of

such equipment. The equipment and associated connections shall be regularly

inspected and well maintained.

4.5 Earthling

All equipment, particularly nozzles, tanks, piping and cable trays and cable ladders

shall be earthed to prevent sparking and electric shocks from static electricity.


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4.6 Breathing Apparatus

Appropriate air-fed masks should be used during blasting and coating operations.

Other personnel in the vicinity shall wear suitable protective masks or respirators

when necessary. Adequate ventilation must be provided in confined spaces and

when using air-fed masks in these areas, attention should be paid to the possibility of

explosive vapor build-up. As a minimum, dust, rust and vapors should be directed

away from the operator by wind or extraction fan.

5 HANDLING AND SHIPPING OF FINISHED PRODUCT

Once all coatings have been applied and fully cured the equipment shall be packed

by the contractor ready for shipment. Packaging shall allow for the shipment method

and route to ensure that no mechanical or other damage to the coating will occur in

transit. The contractor shall be responsible for any coating repairs, which are found

necessary upon receipt and un-packaging of the goods.

6 INSPECTIONS AND TESTING

6.1 General

Materials, equipment, procedures and works shall be subject to inspection at any

time by one or more Company representatives. The contractor shall provide the

Company representative with ready access to all work areas, materials, equipment,

and surfaces.

The Company representative shall have the right to reject any and all equipment,

material, or works that is not in compliance with the minimum requirements

established in this specification.

Any defective materials, equipment, or works shall be replaced, repaired, or redone

entirely as necessary to meet the minimum requirements established by this

specification. All such corrective actions shall be at the contractor's expense without

additional charges to Company.

The Contractor shall give the Company representative at least 2 days notice prior to

starting any work covered by this specification.


.iii W VIETSOVPETRO

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BK-4 MODIFICATION



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Company may elect, at Company's expenses, to have representatives of the coating

manufacturer present on the job site with the Company representative.

Inspection of surface preparation and paint application for steel surfaces of this

project should be completed as per the sampled inspection forms in the item 10.

6.2 Responsibility for Inspection and Testing

At all times, the Contractor shall furnish and maintain on the job site in proper

working conditions the following inspection and test equipment.

Surface magnifier.

Humidity and ambient temperature gauges.

- Surface profile indicator (Tester Inc. Pres-O-Film tape or Company approved

equivalent).

Dry film thickness gauge (Mikrotest or Company approved equivalent).

- Dry film thickness gauge calibration standards.

Wet film thickness gauge (post type).

Holiday detector (Elcometer D.C. Holiday detector with high voltage) or company

approved equivalent.

The Company representative shall be allowed to witness all inspections and testing

by the Contractor and/or conduct independent inspections and testing to verify

completeness and accuracy of results.

Contractor shall document all coating works using a standard record forms as

mentioned below and approved by the Company.

A copy of each completed record shall be submitted to the Company within twelve

hours of the coating application.

6.3 Inspection and Test Requirements

Corrective actions considered necessary to comply with the minimum requirements

established by this specification shall be completed and the material, equipment, or

works re-inspected, before allowing work to proceed. The contractor shall furnish an experienced, qualified and capable coating inspector to conduct all inspections and

testing.


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6.3.1. General Inspection and Test Plan

The Contractor shall perform inspection and testing activities complying with the

requirements of this specification, the approved inspection and test plan. The

Contractor shall submit inspection and test plans for review and approval.

Notification for Inspection

The Company shall be given a minimum of 24 hours notice of surveillance inspection,

witness, hold and review points as nominated on the inspection and test plan(s).

Quality Records

The Contractor shall generate quality records from the inspection and test activities

and in accordance with the approved inspection and test plan(s).

The records shall be compiled and reviewed by the Contractor following the

completion of each inspection and test.

Quality records requiring traceability as detailed in this Specification shall bear an

identical marking to the item inspected and tested.

Marking and Identification

The Contractor shall utilize piece and numbers previously applied during construction

to identify work areas.

Traceability

The Contractor shall utilize the markings previously applied during construction and

establish a documented means of:

- Locating the item (traceability).

- Locating the quality records generated from inspection and testing the item.

As a minimum the Contractor's system shall enable traceability between each

member and the associated coating product batch and coating inspection report.

Inspection Report Documents

As a minimum requirement for each system the following aspects of the work shall be

documented and recorded in painting inspection report:

- Quality of surface preparation/surface profile.


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- Dry film thickness of each coat.

Dry film thickness of the total system.

- Coating Supplier.

Coating batch number.

Ambient conditions (at each occasion of abrasive blast cleaning or coating

application), including ambient temperature, surface temperature, dew point and

relative humidity.

- Visual aspect of the coating.

- Color photographs shall be supplemented with written reports.

- The coating inspection reports should be signed by the Company's nominated

Representative.

6.3.2. Inspection Requirements

All inspection and testing detailed below are the minimum requirements. The result of

all painting tests shall be recorded on a coating inspection report.

The surface profile shall be assessed by a profile comparator in accordance with ISO

8503. Other determination techniques, (such as a calibrated depth micrometer or a

replica tape) may be used with prior Company approval. This assessment shall be

carried out at random locations over the prepared surface to provide an accurate

assessment of the surface profile.

6.4 Pre-Coating Inspection

Prior to commencement of any coating operation, the surface temperature, ambient

temperature, dew point and relative humidity shall be measured and recorded on the

coating inspection report.

6.5 Coating Thickness

At least five separate thickness determinations shall be taken for each 10 square

meters of coated surface. On coated surfaces less than 10 square meters in area, at

least three thickness determinations shall be taken. The results of the coating

thickness check shall be recorded on the Contractor's coating inspection report.


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Any defective materials, equipment, or work shall be replaced, repaired or redone

entirely as necessary to meet the minimum requirements established by this

specification. All such corrective actions shall be at the contractor's expense without

additional charges to the Company.

Particular attention should be made to corners of painted surfaces. Where minimum

thickness levels are not reached the corners will be repainted to achieve the

minimum DFT requirements.

Corrective actions considered necessary to comply with the minimum requirements

established by this specification shall be completed and the material, equipment, or

work re-inspected, before allowing work to proceed. The Contractor shall furnish an

experienced, qualified, capable coating inspector to conduct inspections and testing.

6.5.1. Start-up Procedures Prior to starting any work covered by this specification, the following inspections shall

be performed:

- Available equipment and materials shall be visually inspected for compliance

with the minimum requirements established by this specification.

- Additional equipment and materials furnished by the Contractor during the

course of work performance shall be inspected prior to use.

6.5.2. Preparation for First Coating Application

Upon completion of initial surface preparations as required and prior to the first

application of coating, the following inspections shall be performed.

Surfaces shall be visually inspected to ensure that the entire area to be coated is

properly prepared, clean, dry, and free of contamination in accordance with the

applicable SSPC Standard(s) and the minimum specified design requirements.

The anchor pattern of all surfaces that have been abrasive blasted to near white

metal shall be inspected to ensure compliance with the manufacturer's

recommendations and the specified design requirements. Inspection of anchor

pattern shall include checks made with Pres-O-Film tape or equivalent.

6.5.3. Preparation for Succeeding Coats


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Prior to application of the succeeding coat, the following inspections shall be

performed to the previously coated surfaces:

Surfaces shall be visually inspected to ensure the absence to skips, sage drips,

holidays, air pockets, foreign particle contamination, and any other defects.

- Wet film thickness of the coating shall be measured to ensure that the coating

will have the proper film thickness when dry.

Surfaces shall be inspected to ensure that coating material is thoroughly dry.

- Coating dry film thickness shall be checked using a Mikrotest or equivalent DFT

gauge to ensure compliance with the specified design requirements. Immediately

prior to making checks with the DFT gauge, the instrument shall be accurately

calibrated in accordance with the gauge manufacturer's instructions.

6.5.4. Completion Upon completion of all works covered by this Specification the following inspections

shall be performed:

- Surfaces and equipment shall be inspected in accordance with item 3.5.3 to

verify compliance with the specified design requirements and the specified finish

coat color schedule.

- Surfaces and equipment shall be visually inspected for coating damage prior to

full acceptance at the location (or time) when the Contractor's responsibility for

the item or equipment terminates.

6.5.5. Special Inspection Requirements for Splash Zone Coatings Surface preparation for splash zone coatings (if necessary) shall be observed for

cleaning and profile. The following items shall be measured:

- Material temperature.

Air temperature.

- Surface temperature.

- Relative humidity.

Wet coating thickness shall be measured with a depth gauge.

The area covered and the amount of material applied shall be recorded.


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The dry coating thickness.

The wet coating application shall be inspected for holidays.

- Holiday test anywhere if necessary.

Adhesion test anywhere if necessary.

7 TEST PLAN

When required for qualification of new paint materials, the paint materials proposed to apply for this project shall be reviewed to test and evaluate their quality basing on

the Project document of painting test and inspection specification.

Test plan shall be required for new paint materials to verify quality of the proposed

paint materials. However, the paint materials which have been tested and used successfully on the VSP's offshore platforms should be accepted to apply for this project without additional testing requirement.

For checking quality of the new paint materials, we can use the steel panels of the minimum dimensions of 600 mm length, 300 mm width and 5 mm thickness for test of coatings. These panels shall be blast-cleaned to the specified cleanness and surface

profile before paint application. Then, the test coating systems shall be strictly sprayed on each cleaned panel in accordance with the testing painting schedules and the instructions of the paint manufacturer(s).

The coatings after complete dry (at least 01 week after application of final coat) shall be checked and documented with the minimum following main parameters:

- Coating system.

- Cleaning method and cleaning grade.

- Surface profile.

Dry film thickness.

Defects.

- Appearance (runs, sags, colors...).

Surface conditions of the coatings.

- Holiday test shall be performed in accordance with the standard NACE RP 0188-88 anywhere if necessary. Criteria for acceptable coatings are no holiday.


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Adhesion test shall be performed in accordance with the standard ASTM D 4541 anywhere if necessary. Criteria for acceptable coatings are that minimum

adhesion strength to be achieved is 2.5 MPa for the coatings based on

epoxy/polyurethane resin for topsides with total DFT 450 microns.

- The test and inspection results should be recorded in the suitable inspection reports as per mentioned in the sampled inspection forms.

- Qualification of testing coatings.

8 COLOR CODE

The color of the external coatings for different locations on the platforms shall be

specified, unless otherwise stated as follows:

No. Description Color of final coatings Note

1 2 3 4

1. Topside steel structures White (RAL 9003 )

2. Decks, floor, ladders Green (RAL 6002 )

3. Fire systems, handrails Signal Red (RAL 3020 )

4. Technological gas pipelines, crane Signal Yellow (RAL1003 )

5. Equipment and other pipelines Grey (RAL 7035 )

6. Heating steel surfaces Silver or aluminum (RAL 9006 )


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9 GENERIC PAINTING SCHEDULES

9.1. Painting schedule N9.1: for non-insulated carbon steel in temperature 120°C

Description N2 of coat

Generic Painting Dry Film

Thickness (1.1m)

1 2 3 4

9.1.1. Painting schedule N9.1.1: For modification

Blast - cleaning to grade Sa 2.5/ISO 8501-1. Surface profile: 30 ÷ 80 p.m.

Repair and maintenance

1 st 2nd

3rd

Surface Tolerant Epoxy

Modified Epoxy

Polyurethane Finish

100

100

50

Minimum Total DFT: 250

9.1.1. Painting schedule N9.1.2: For newbuilding of equipment, steel structure in the manufacturer(s)

Blast - cleaning to grade Sa 2.5/ISO 8501-1. Surface profile: 30 ± 80 p,m.

Newbuilding

1 st

2nd

3rd

4th

Zinc Rich Epoxy Primer

Modified Epoxy

Modified Epoxy

Polyurethane Finish

50

100

100

50

Total dry film thickness: 300

Note: This painting schedule shall apply for beam structures, skids, ceilings, walls,

handrails equipment, technical pipelines, and tank exteriors in the topside.


1 4 2 3

Blast - cleaning to grade Sa 2.5/ISO 8501-1. Surface profile: 30 ± 80 vt.m.


1 St Zinc Organic Silicate 65-75

Minimum Total DFT: 65-75

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9.2. Painting schedule N9.2: For insulated carbon steel in temperature 120°C

Description N9. of coat

Generic Painting Dry Film

Thickness (pm)

1 2 3 4

Blast - cleaning to grade Sa 2.5/ISO 8501-1. Surface profile: 30 ± 80 pm.


1st

2nd

Phenolic epoxy/Surface Tolerant Epoxy

Phenolic epoxy/Modified Epoxy

100

100


9.3. Painting schedule N2.3: For insulated carbon steel in temperature 120-400 °C

9.4. Painting schedule N9.4: For inside decks and stairs

1 2 3 4

Blast cleaning to grade Sa 2.5 (ISO 8501-1). Surface profile: 30 ± 80 .irri.


1 st

2 nd


Finish Epoxy

125

125


9.5. Painting schedule N2.5: For outside decks and stairs in moderate abrasion

1 2 3 4

Blast - cleaning to grade Sa 2.5/ISO 8501-1. Surface profile: 30 ± 80 pm. 1st Surface Tolerant Epoxy 125

Repair and 2nd Deck Epoxy 125

maintenance 3rd Polyurethane Finish 50



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Note: None skid may be applied for walking areas and outside deck, if required.

9.6. Painting schedule N.9.6: For outside decks and stairs in heavy abrasion

Description Layer Generic Painting Type Dry Film

Thickness (pm)

1 2 3 4

Blast - cleaning to grade Sa 2.5/ISO 8501-1. Surface profile: 30 ÷ 80 p.m.

1 st Surface Tolerant Epoxy 100

2nd Deck Epoxy 150 Repair and

maintenance 3rd Deck Epoxy 150

4th Polyurethane Finish 50


Note: None skid may be applied for walking areas and outside deck, if required.

9.7. Painting schedule N9.7: For steel structures below main deck

1 2 3 4

Blast - cleaning to grade Sa 2.5/ISO 8501-1. Surface profile: 30 ÷ 80 pm.


1 st 2nd

3rd


Modified Epoxy

Modified Epoxy

100

150

150


9.8. Painting schedule N9.8: For galvanized steel surfaces

1 2 3 4

Degrease surfaces complying with SSPC SP-1

9.8.1. Painting schedule N2.8.1: For galvanized steel surfaces on topside


1 st

2 nd

Special Epoxy Paint

Polyurethane Finish

60

50



Dry Film Thickness

(p.m) Description Layer Generic Painting Type

9.8.2. Painting schedule N9.8.2: For galvanized steel surfaces under cellar deck and grating steps


1st

2nd

3rd

Special Epoxy Paint

Modified Epoxy

Polyurethane/epoxy Finish

50

150

50


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Note: The special epoxy is to be suitable to galvanized steel surface.

9.9. Painting schedule N2.9: For steel surfaces in temperature 120 — 400 °C

1 2 3 4

Blast cleaning to grade Sa 2.5 (ISO 8501-1). Surface profile: 30 ± 80 µm.


1st

2nd

3rd

—

Inorganic Zinc Silicate

— Silicone Aluminum

— Silicone Aluminum

65

25

25


Note: The other equivalent basic painting schedules can be revised and applied for BK-4 modification if accepted by the designer.


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