ane spinms mec spc 334406_painting and coating

7/25/2019 Ane Spinms Mec Spc 334406_painting and Coating

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NIGERIAN PETROLEUM DEVELOPMENT

COMPANY LIMITED

A & N Engineering and Construction

SITE PREPARATION & INTEGRATION OFNPDC INTERIM METERING SYSTEM IN OMLs 30, 34, 40, 42

AND 65 ASSETS

PAINTING AND COATING SPECIFICATION FOR INTERIMMETERING ACCESSORIES

DOCUMENT NO: ANE-SPINMS-MEC-SPC-334406

Y01 08-Oct-2013 AFD C. Ogini C. Ogini M. Omotoso

N01 01-Oct-2013 IFR C. Ogini C. Ogini M. Omotoso

Revision Date Status Issued by Checked by Approved by COMPANYApproval


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ANE-SPINMS-MEC-SPC-334406PAINTING AND COATING SPECIFICATION FOR INTERIMMETERING

ACCESSORIESRevision : Y01

Status : AFD

Discipline : MEC System/Subsystem : Document type : SPC Rev. Date : 08-Oct -2013

Page : 2 of 35

ANE-SPINMS-MEC-SPC-334406 Page 2 of 35

This Document is Controlled Electronically and Uncontrolled if Printed

TABLE OF CONTENTS

1.0 GENERAL................................................................................................................................................ 6

1.1 Definitions.................................................................................................................................... 6

1.2 Abbreviations .............................................................................................................................. 6

1.3 Reference Documents ................................................................................................................ 7

1.3.1 COMPANY General Specifications ............................................................................. 71.3.2 International Codes & Standards ................................................................................ 8

1.4 Purpose..................................................................................................................................... 10

1.5 Range of Application ................................................................................................................. 10

2.0 HEALTH, ENVIRONMENT AND SAFETY............................................................................................ 11

2.1 Support for Corrosion Resistant Alloy (CRA) Piping................................................................. 11

3.0 ACCEPTED BRAND ............................................................................................................................. 12

3.1 Painting Qualification Test ........................................................................................................ 12

3.2 MANUFACTURER's Data Sheets............................................................................................. 13

3.3 Mixing of Coatings of Different MANUFACTURERS ................................................................ 13

4.0 PAINTING LOCATIONS........................................................................................................................ 13

5.0

GENERAL..............................................................................................................................................14

5.1 Preconstruction Primers............................................................................................................ 14

5.2 Weld-Through Primers .............................................................................................................. 14

5.3 Paint Free Surfaces .................................................................................................................. 14

5.4 Galvanized ................................................................................................................................ 15


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5.5 Compressed Air Cleanliness..................................................................................................... 15

5.6 Flanges...................................................................................................................................... 15

5.7 Tank Interiors ............................................................................................................................ 16

5.8 Valves and Actuators ................................................................................................................ 16

5.9 Fireproofing ............................................................................................................................... 16

6.0 SURFACE PREPARATION .................................................................................................................. 17

6.1 Solvent Cleaning ....................................................................................................................... 17

6.2 Hand or Power Tool Cleaning................................................................................................... 17

6.3 Abrasive Blasting ...................................................................................................................... 17

6.4 Galvanized and Aluminium Surfaces ........................................................................................19

7.0 COATING APPLICATION ..................................................................................................................... 20

7.1

General Application Requirements ........................................................................................... 20

7.2 Weather Conditions................................................................................................................... 20

7.3 Materials....................................................................................................................................21

7.4 Mixing and Thinning.................................................................................................................. 21

7.5 Shelf and Pot life ....................................................................................................................... 21

7.6 Spray Application ...................................................................................................................... 22

7.7

Priming ...................................................................................................................................... 22

7.8 Top - coating ............................................................................................................................. 23

7.9 Film Thickness .......................................................................................................................... 23

7.10 Defects ...................................................................................................................................... 24

7.11 Touch-up ................................................................................................................................... 24

7.12 Brush or Roller Application........................................................................................................ 24


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8.0 INSPECTION......................................................................................................................................... 25

8.1 Compressed Air Cleanliness..................................................................................................... 25

8.2 Abrasive Material ...................................................................................................................... 25

8.3 Environmental Conditions ......................................................................................................... 26

8.4 Surface Preparation (Including Touch-Up Preparation)............................................................ 26

8.5 Coating Application ................................................................................................................... 27

8.6 Inspection by COMPANY..........................................................................................................27

8.7 Coating MANUFACTURERs Representatives......................................................................... 28

9.0 COATING SYSTEMS ............................................................................................................................ 29

9.1 Coating System......................................................................................................................... 29

9.2 Colour Coding ........................................................................................................................... 29

10.0

MATERIAL STORAGE AND HANDLING.............................................................................................30

10.1 Protection of Materials and Equipment .....................................................................................30

10.2 Storage of Stainless steel Topsides items................................................................................30

10.3 Handling and shipping of coated items.....................................................................................31

11.0 REPAIRS ............................................................................................................................................... 31

12.0 QUALITY CONTROL AND INSPECTION ............................................................................................33

12.1 General...................................................................................................................................... 33

12.2 Qualification of Personnel ......................................................................................................... 33

12.2.1 Insulation Applicator Personnel .................................................................................3312.2.2 Qualification of Supervisors, Foremen and QC Personnel ....................................... 34

12.3 Test and Inspection during the Work ........................................................................................34

12.4 Final Inspection and Release.................................................................................................... 35


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13.0 TECHNICAL FILE ................................................................................................................................. 35


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1.0 GENERAL

1.1 Definitions

COMPANY: means NPDC Nigerian Petroleum Development Companyand, on behalf, SITE PREPARATION AND INTEGRATION OFNPDC LACT UNITS AND INTERIM METERING SYSTEMS.

CONTRACTOR: means A & N Engineering that have been awarded theCONTRACT by COMPANY.

CONTRACT: means the document linking COMPANY and CONTRACTORwithin the framework of SITE PREPARATION ANDINTEGRATION OF NPDC LACT UNITS AND INTERIMMETERING SYSTEMS Project.

VENDOR: means the party that carries out the painting or insulation worksincluding Engineering, materials supply, installation and qualitycontrol.

MANUFACTURER: means the party that manufactures or supplies materials,equipment and service to perform the duties specified by

CONTRACTOR and/ or VENDOR.

INSPECTOR: Qualified person (FROSIO, NACE International CertifiedCoating Inspector or equivalent) in charge of painting orinsulation works control either on behalf of COMPANY orCONTRACTOR or VENDOR.

1.2 Abbreviations

ATM: Atmospheric

C: Cold Conservation

CRA: Corrosion Resistant Alloy

CS: Carbon Steel

DFT: Dry Film Thickness

FEF: Flexible Elastomeric Foam

FRP: Fibre Reinforced Polymers

GRE: Glass Reinforced Epoxy


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GRP: Glass Reinforced Plastic

H: Heat Conservation

MSDS: Material Safety Data Sheets

NDE Non Destructive Examination

PP: Personnel Protection

PFP: Passive Fire Protection

PU: Polyurethane

PVC: Polyvinyl Chloride

SS: Stainless SteelSDSS: Super Duplex Stainless Steel

SSPC: The Society for Protective Coatings

WFT: Wet Film Thickness

VOC: Volatile Organic Compound

1.3 Reference Documents

1.3.1 COMPANY General Specif ications

[1] Painting and Coating of New Equipment DEP 30.48.00.31-Gen.,Dec 1995

[2] Pipe Supports DEP 31.38.01.29-Gen.,Dec1997

[3] Thermal Insulation DEP 30.46.00.31-Gen.,July 1999

[4] Internal Coating of Line Pipe for Non-Corrosive GasTransmission Service

DEP 31.40.30.35-Gen.,July 1998


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1.3.2 International Codes & Standards

[5] Preparation of steel substrates before application of paints andrelated products collected information on the effect of levels ofwater-soluble salt contamination

ISO/TR 15235

[6] Solvent Cleaning SSPC-SP-1

[7] Hand Tool Cleaning SSPC-SP-2

[8] Near- white Metal Cleaning SSPC-SP-3

[9] Power tool cleaning to bare metal SSPC-SP11

[10]Shop, field, and maintenace painting of steel SSPC-PA 1

[11]Brush-off blast cleaning SSPC-SP7[12]Preparation of Steel Substrate before Application of Paints ISO 8501-1

[13]Surface Roughness Characteristics of Blast Surface ISO 8503-2

[14]Surface Preparation ISO 8504-1

[15]Specifications for Abrasive blasting ISO 8504-2

[16]Test for the Assessment of Surface Cleanliness Prepared forPainting

ISO 8502-3

[17]Rubber, vulcanized or thermoplastic determination of tensilestress-strain properties

ISO 37

[18]Surface Preparation for Protective Coating Norsok M 501

[19]Standard Specification for Pre-formed flexible elastomeric cellularthermal insulation in sheet and tubular form.

ASTM C 534

[20]Thermal insulation for use in contact with austenitic stainlesssteel

ASTM C 795

[21]Test method for apparent density of rigid cellular plastics ASTM D 1622

[22]Test method for water vapour transmission of materials ASTM E 96

[23] Fire Tests on Building Materials and Structures

[24] Interim standard for measuring smoke and toxic products ofcombustion for plastic piping in dry conditions (level 1 and 2)

BS 476

[25] Interim standard for measuring smoke and toxic products of

combustion for plastic piping in dry conditions (level 1 and 2)

IMO MSC

41(64)[26]Testing of thermal insulation; determination of water vapour

permeability of building and insulating materialsDIN 52615


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[27]Piping and Equipment insulationNORSOK R-004

[28] Paints and varnishes. Corrosion protection of steel structures byprotective paint systems. Design considerations.

ISO 12944-3

[29]Standard practice for providing high quality zinc c ASTM A385

[30]Standard Specification for Zinc (Hot-Dip Galvanized) Coatingson Iron and Steel Products

ASTM A123

[31]Standard test method for weight (mass) of coating on Iron andSteel articles with zinc or zinc alloy coatings

ASTM A90

[32]Standard Specification for Zinc Coating (Hot-Dip) on Iron and

Steel Hardware

ASTM A153

[33]Standard Practice for Safeguarding Against Embrittlement ofHot-Dip Galvanized Structural Steel Products and Procedure forDetecting Embrittlement

ASTM A143

[34]Guide and Reference Photographs for Steel Surfaces Preparedby Dry Abrasive Blast Cleaning

SSPC-VIS 1

[35]Standard Test Methods for Field Measurement of Surface Profileof Blast Cleaned Steel

ASTM D4417

[36]Standard Test Method for Indicating Oil or Water in CompressedAir

ASTMD 4285

[37]Shop, Field, and Maintenance Painting of Steel SSPC-PA 2

[38]Standard Specification for Thermal Insulation for Use in Contactwith Austenitic Stainless Steel

ASTM C-795


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1.4 Purpose

The purpose of this specification is to cover the minimum requirements for the selectionand the execution of the external, internal and accessories painting works of SITEPREPARATION AND INTEGRATION OF NPDC LACT UNITS AND INTERIMMETERING SYSTEMS PROJECT. This specification covers the minimum requirementsfor the surface preparation, materials, application and testing of coatings for fabricatedsheet, equipment, piping, electrical, instrumentation and appurtenances on SITEPREPARATION AND INTEGRATION OF NPDC LACT UNITS AND INTERIMMETERING SYSTEMS PROJECT.

This document shall be read in conjunction with COMPANY General Specifications

listed in section 1.3.1.

This specification also introduces new technical requirement to the COMPANY ref.[3] with additional insulation materials for the purpose of providing thermal insulation(where required) to the process piping for SITE PREPARATION ANDINTEGRATION OF NPDC LACT UNITS AND INTERIM METERING SYSTEMSPROJECT.

1.5 Range of Application

This specification is applicable to all equipment, piping lines and associated fittingsto be painted internally or externally.

This specification is applicable to all equipments, piping lines and associated fittingsfor the purpose of heat loss reduction, without or in association with electrical traceheating.

Equipment and piping insulation is indicated on the P&ID and in the line list,depicting both type and thickness of insulation.


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2.0 HEALTH, ENVIRONMENT AND SAFETY

It remains the responsibility of the CONTRACTOR to implement with relevantsafety rules and procedures regarding the storage and the use of products and/orequipment which could create fire, explosion and the like able to cause prejudiceto personnel, equipment, machines, etc.

CONTRACTOR shall develop, for COMPANY approval, a safety work procedureplan for painting applications.

CONTRACTOR shall maintain Material Safety Data sheets (MSDS) at the work

site for all substances used on the job. CONTRACTOR shall maintain correctlabels on containers and make MSDS available to anyone who may come incontact with the substances.

CONTRACTOR shall be responsible for proper disposal of painting, thinning andcleaning supplies, as well as disposal of all consumables, in accordance with therelevant legislation.

All installation and inspection of field joint coatings will be carried out in strictaccordance with HES Procedures, Safety Policies, and Local GovernmentRegulations.

Correct safety PPE such as gloves, goggles, hard hat, etc. shall be worn at alltimes during pipe handling and coating operations.

All CONTRACTOR personnel engaged in coating operation and inspection shallcomply with the instructions given during the safety induction. In addition, allpersonnel will be required to attend daily Tool Box Meeting in order to increasesafety awareness of personnel.

Material Safety Data Sheets (MSDS) for all materials that are being used duringthe field joint coating operation shall be available to all engaged personnel. Whenrequired, the first aid and emergency procedure, if any, recommended by theMANUFACTURER shall be followed.

2.1 Support for Corrosion Resistant Alloy (CRA) Piping

Galvanic corrosion occurs in marine atmosphere when stainless steel/duplex andcarbon steel are in contact. Crevice corrosion occurs in interstices where waterand chlorides are trapped (clamps, supports, laying areas).


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In order to avoid these corrosion features, requirements of the COMPANY generalspecification DEP 30.48.00.31-Gen, ref [1] shall be applied for the corrosionprotection of the CRA piping at carbon steel support location.

3.0 ACCEPTED BRAND

Only specified coating systems from the coating system data sheets detailed inCOMPANY specification DEP 30.48.00.31-Gen, ref [1] shall be used, unlessalternates are reviewed by CONTRACTOR and COMPANY duly notified in writing.

The CONTRACTOR shall only use paints which comply with InternationalStandards, COMPANY specification and Nigerian laws for air pollution.

The latest issue of the paint MANUFACTURERs product data sheets, applicationinstructions and Material Safety data sheets shall be available at the painting siteand complied with during painting operations.

3.1 Painting Qualification Test

Prior to mobilization and commencement of all projects painting operation, thepainting qualification test will be carried out which will include surface preparation,mixing, application and inspection. This will be done in the presence of designatedCOMPANY representative on site.

All surface preparation and painting test will be made under simulated sitecondition if done in the workshop environment. All inspection such as visualexamination, cleanliness and film thickness tests shall be performed strictly to theCOMPANYs specification.


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3.2 MANUFACTURER's Data Sheets

The latest issue of the coating MANUFACTURER's product data sheets,application instructions and Material Safety Data sheet shall be available at thepainting site and complied with during operations.

Inspection requirements are defined in COMPANY specifications DEP30.48.00.31-Gen, ref [1]

3.3 Mixing of Coatings of Different MANUFACTURERS

Each multicoat system shall use materials from a single MANUFACTURER unlessapproved by COMPANY in writing. Offsite equipment MANUFACTURERs maychoose any one of the accepted brands for a coating system. In the primeCONTRACTOR's fabrication yards and offshore, only one MANUFACTURER shallbe used for each coating system.

4.0 PAINTING LOCATIONS

CONTRACTOR should keep in mind that the Topsides facilities will be locatedoffshore Nigeria in a rather corrosive environment. The paint application shall becarried out in a controlled environment to avoid pollution of the prepared surfaceand of the paint film during its application and its curing.

Therefore, the conditions of application of the relevant paint systems specified inCOMPANY specification DEP 30.48.00.31-Gen, ref [1] shall be followed in order toensure a high durability of the paints systems. Any deviation or change in anysystem or application shall be approved in writing by COMPANY.


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5.0 GENERAL

5.1 Preconstruction Primers

Inorganic zinc primers may be used as preconstruction primers but weld bevels must be free ofall primer before welding. This can be accomplished by masking prior to coating or by grindingor sandblasting before welding. The coating-free area shall extend a minimum of 2 inches fromthe weld bevel.

Non organic zinc preconstruction primers shall be removed by blasting to bare metal prior toapplication of the required paint system.

VENDOR shall not apply successive coating over any non organic zinc preconstructionprimers in order to avoid undermining the protection provided by inorganic zinc primers.

5.2 Weld-Through Primers

Weld-through primers shall not be used unless welding qualification tests show no detrimentaleffects, such as unacceptable porosity or mechanical properties. The use of weld-throughprimers must be approved by COMPANY in writing prior to their use. If the primers areaccepted, inspection for weld bevel cleanliness shall be performed on all production work priorto priming.

5.3 Paint Free Surfaces

The following surfaces shall not be painted unless otherwise specified:

Galvanized steel gratings (except if used on flours of escape ways)

Stainless steel

Monel

Copper alloys

Plastic and plastic coating materials (GRP, GRE, FRP, PVC or similar) providedtheir resistance to

UV has been demonstrated and colour coding is not necessary. Aluminum weather jacketing of insulation.

Interior surfaces of piping and equipment

Instruments, gauge glasses, nameplates, light fixtures and machined surfacesshall be protected from coatings.


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5.4 Galvanized

Gratings, ladders, cages, stairways, handrails and miscellaneous hardware shall be preparedfor hot-dipped galvanizing in accordance with ASTM A385, ref [29]. These items shall begalvanized in accordance with ASTM A123, ref [30] . The weight of the zinc coating shall beconfirmed by testing to ASTM A90, ref [31]. All handrails shall be painted after galvanizing withcoating system 3.5. Grating in the splash zone shall be coated with splash zone coating aftergalvanizing.Hot dipped galvanizing of bolts, nuts and washers shall conform to ASTM A 153, ref [32] andASTM A 143, ref [33].

Handrails and stairways shall be painted after galvanizing with COMPANYs coating systemdetailed in COMPANY specification DEP 30.48.00.31-Gen, ref [1]

The design of items requiring galvanizing shall take cognizance of maximum length, limited bygalvanizing process.

Fabrication of items to be galvanized shall be completed (including cutting, welding and cleanup) prior to solvent cleaning and acid pretreatment and galvanizing.

Steel grating shall be banded prior to galvanizing. Banded shall be steel welded.

Whenever possible, each item shall be galvanized in a single hot dip. The final surface shall be

free of overlaps, spikes, teardrops, cracks or flakes.

If weepholes are used to prevent overpressuring, they shall be sealed after galvanizing by amethod reviewed by COMPANY. Plastic and lead plugs are not acceptable.

Galvanised parts shall be repaired according to COMPANY specification DEP 30.48.00.31-Gen,ref [1]

5.5 Compressed Air Cleanliness

Compressed air shall be free of water and oil. Adequate separators or traps shall be provided

and properly maintained and shall be regularly emptied of water and oil.

5.6 Flanges

Flange faces (excluding gasket surfaces) and bolt holes shall be coated with the primer andintermediate coat before assembly.


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5.7 Tank Interiors

Inside surfaces of manways, nozzles, bosses and other connections shall be blasted andcoated with the same system as the internal surfaces of the tank or vessel.

5.8 Valves and Actuators

Valves and actuators supplied by VENDOR without a coating system thatconforms to this specification shall be blasted and recoated.

5.9 Fireproofing

Only fireproofing specified by COMPANY shall be provided. The specified primer (P15) shall beprovided unless the fireproofing MANUFACTURER recommends a different primer. The primershall be topcoated with the specified topcoats (F27 and F26).


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6.0 SURFACE PREPARATION

The surface preparation shall be as detailed in COMPANY specification DEP 30.48.00.31-Gen,ref [1].

All surfaces to be coated shall be clean of all contaminants that may affect the integrity of thecoating system.

6.1 Solvent Cleaning

Prior to surface preparation, the surfaces shall be cleaned, as necessary, to remove all oil,

grease, dirt, salts or other foreign material. This cleaning shall be by appropriate detergentand/or solvent cleaning. Detergent or solvent cleaning shall be performed as outlined inSSPC-SP-1, ref [6] or NACE equivalent.

Solvents used to clean stainless steel shall be free of substances such as chlorides, sulfur,halogens or metallic pigments. The degreased surface shall be further washed with fresh waterto remove all traces of degreaser chemicals.

Solvent cleaning shall be used prior to any tool or abrasive cleaning.

6.2 Hand or Power Tool Cleaning

Hand tool cleaning or power tool cleaning shall be per SSPC-SP-2, ref [7], SSPC-SP-3, ref[8],SSPC-SP-11, ref [9] or NACE equivalent.

COMPANY approval is required before power tool cleaning can be substituted for abrasiveblasting.

When hand or power tool cleaning is required on stainless steel, only stainless steel wire brushthat have not been previously on carbon steel surfaces may be used.

6.3 Abrasive Blast ing

All abrasive blasted surfaces shall be blasted in accordance with the SSPC or NACE blastspecified in DEP 30.48.00.31-Gen, ref [1].

The anchor pattern shall be as specified in DEP 30.48.00.31-Gen, ref [1].

Abrasive blast cleaning shall be performed with a clean, sharp grade of abrasive. Only dry,grit-type abrasives shall be utilized. The abrasive shall comply with government regulations.Grain size shall be suitable for producing the specified anchor profile.


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Abrasives shall be free of dust, dirt and other foreign matter and shall be kept dry.

Prior to the start of blasting, an appropriate blast air pressure with abrasive and mesh size toattain the specified anchor pattern.

After blasting and immediately before spraying, dust and loose residues shall be removed bybrushing, blowing off with clean dry air or vacuum cleaning

Blasting shall be performed in dry weather. Dry blast cleaning operations shall not be conductedon surfaces exposed to rain, water spray or any other moisture.

Weld areas shall be ground, chipped or wire brushed as necessary prior to blasting to remove

rust, residual flux and weld spatter.

Steel surface slivers, laminations, laps, scabs or seams exposed by blasting shall be reported toCOMPANY, investigated, and repaired on any portion of the steel to be painted using rules fromthe applicable code for repairs prior to coating. Repaired areas shall be re-blasted prior tocoating.

Prior to abrasive blasting, valves, sight glasses, name tags, machinery, electrical fixtures, etc.,subject to damage from either the blast or from the abrasive material shall be protected. Whenpossible, nametags shall be installed after painting is complete. If it is not possible to coat undertags, their edges shall be sealed with silicone to prevent moisture accumulation.

Cadmium-plated, electroplated, metallized or other specially coated items shall not be blastedunless otherwise directed by COMPANY.

Blasting shall be accomplished so that previously painted surfaces are not contaminated byabrasive or blast wastes.

Blast cleaned surfaces shall be inspected for proper cleaning prior to painting SSPC-VIS 1, ref[34] shall be used as a visual standard for confirming the degree of surface cleanliness.

The anchor profile shall be verified in accordance with ASTM D4417 method C, ref [35] usingeither course or extra-course replica tape or a spring loaded micrometer.


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6.4 Galvanized and Aluminium Surfaces

All galvanized and aluminum surfaces specified to be painted shall be pretreated with an acidwash base.

Galvanized surfaces which require painting shall be brush blasted (SSPC-SP7) with fine grit orsand with lower nozzle pressure prior to painting.

Galvanized pieces, such as gratings, which will be installed over steel surfaces to be paintedthat will interfere with painting, shall not be installed prior to painting the underlying steel. If thegalvanized pieces must be installed before final painting, they shall first be wash-primed and

coated with the same intermediate coating as the underlying steel. In all cases, the underlyingsteel shall be abrasive blasted and primed with the intermediate coating prior to installinggalvanized pieces over the steel.


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7.0 COATING APPLICATION

7.1 General Application Requirements

The coating application shall be as detailed in COMPANY specifications, DEP 30.48.00.31-Gen,ref [1], SSPC PA 1, ref [10], the coating MANUFACTURERs application instructions and therequirements specified herein.

Coatings shall be applied in the number of coats specified in the specification, with individualand total dry film thicknesses within the specified ranges. Film thicknesses shall be verified atthe start of work (until the painter is familiar with the paint and work) with a wet film thicknessgauge. Thickness requirements shall be met with each coat and total thickness shall not be

"made-up" in any one coat.

All coating film thicknesses shall be free of defects such as pinholes, voids and bubbles.

Application equipment shall be as recommended by the painting MANUFACTURER, shall becleaned and in good condition and shall be suitable for applying the coating as specified.

7.2 Weather Conditions

Coatings shall be applied under the environmental conditions stipulated by coating

MANUFACTURER data sheets, and as specified in COMPANY specification DEP 30.48.00.31-Gen, ref [1].

In addition to these requirements coatings shall not be applied when any of the followingconditions are present:

on wet surfaces,

during strong or dusty conditions particularly for spray application.

If rain falls on painting surfaces prior to paint becoming rainproof, surfaces shallbe re-blasted and repainted.

Painting done outdoors shall be done in daylight hours and completed at least one hour prior tosundown. Indoor painting shall be allowed 24 hours a day if the specified metal and airtemperatures and relative humidity requirements are met inside the building or vessel at alltimes during preparation, painting and curing.

The following shall be checked and recorded at the beginning of each days operation andseveral times during the application process:


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ambient temperature relative humidity

dew point

moisture-free surface

temperature of the surface to be coated

7.3 Materials

Coating materials shall be furnished in the MANUFACTURER's unopened containers, clearlyidentifiable, and shall be kept covered, clean and protected. Materials older thanMANUFACTURER's recommended shelf life or specified in COMPANY specification DEP

30.48.00.31-Gen, ref [1] shall not be utilized.

Solvents used for thinning shall be recommended by the coating MANUFACTURER.

Materials shall be handled and stored in accordance with the coating MANUFACTURERinstructions and SSPC-PA 1, ref [10] article 5.1.

7.4 Mixing and Thinning

Components shall be thoroughly mixed as per recommendations noted in MANUFACTURER

data sheet. Mixing shall be done in clean containers, free from traces of grease, other paintsor contaminants. Containers shall be kept covered to prevent contamination by dust, dirt orstain.

Paint shall be mechanically mixed in full batches.

Multi-component coatings, such as inorganic zincs, epoxies and urethanes, shall have thecomponents accurately measured according to the MANUFACTURER's directions.

Mixing of partial paint is not acceptable.

Thinning shall not exceed the allowable Volatile Organic Compound (VOC) level for the coating.

7.5 Shelf and Pot life

Materials that have exceeded the coating MANUFACTURERs recommended shelf life shall notbe used.

The coating MANUFACTURER's recommended pot life shall not be exceeded. When this limitis reached, the spray pot shall be emptied and cleaned, and new material mixed.


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7.6 Spray ApplicationCONTRACTOR's applicators shall be skilled in the proper application technique for eachcoating. Proper equipment, per the coating MANUFACTURER's data sheets andrecommendations, shall be utilized. Applicators or equipment failing to meet this requirement, toCOMPANY or the coating MANUFACTURER's satisfaction, shall be removed from coatingapplication.

Spray guns, lines and pressure pots shall be cleaned prior to adding new material. The air caps,nozzles and meddles shall be those recommended by the coating MANUFACTURER for thematerial being sprayed.

Moisture traps, separators and driers shall be installed between the air supply and the pressurepot. The drain valve must be kept open slightly to permit continuous draining of any condensateduring operations.

Operating pressures shall comply with the recommendations of the coating MANUFACTURER.Pressure pots shall be equipped with pressure regulators and gauges.

Paint shall be applied in a uniform layer, with 50% overlapping of the previous pass. Duringapplication, the spray gun shall be held perpendicular to the surface being painted.

7.7 Priming

The specified coating system primer shall be applied within four hours from the time thatsurfaces are cleaned and before rusting, discolouration or surface contamination occurs.Surfaces to be coated shall be cleaned, dust-free and dry before application of any coating andshall meet applicable hand, power tool or abrasive blasting surface preparation requirementsbefore priming.

Care shall be exercised to prevent overspray, spillage or application of coatings to surfaces forwhich they are not intended. Skips, sags, and drips are to be repaired.

Inorganic zinc primer shall be applied using an agitated pot.


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7.8 Top - coating

Each coating of paint shall be of contrasting colour to indicate extent of coverage.

Coatings shall be allowed to dry for at least the minimum time recommended by the paintMANUFACTURER, considering temperature and humidity, before applying succeeding coats.Maximum overcoat time shall be limited to the MANUFACTURERs recommendation. When themaximum overcoat time has been exceeded, VENDOR shall perform additional surfacepreparation as agreed to be by COMPANYs representative. Additional surface shall include butnot limited to hand sanding, pressure washing, mist coat application, degreasing or re-blasting.

Each coat (primer, intermediate and topcoat) shall be inspected by CONTRACTOR and may beinspected by COMPANY before applying further coats.

Prior to top-coating an inorganic zinc primer, the cure of the primer shall be verified. Inorganicprimers that are properly cured will be polished to blight metal without powdering or loss ofmaterial when firmly scrapped with the edge of a coin.Inorganic zinc primers shall have overspray removed with stiff bristle brush or wire screen andshall be clean and thoroughly cured prior to top-coating.

When spray applying over inorganic zinc primers, a mist coat shall be used to avoid bubbling.The mist coat may be thinned coat or may be applied by a quick pass of the spray gun prior toapplying the full coat, but allowing sufficient time for solvent evaporation.

7.9 Film Thickness

Wet film thickness shall be checked during the application of each coat to assure the specifiedDry Film Thickness (DFT) will be met.

The DFT of each coat shall be checked in accordance with the procedures defined by SSPC-PA2, ref [6] using a magnetic gauge that has been properly calibrated.

Coating thickness on stainless steel shall be checked using a Type 2 gauge suitable for use onnon-ferrous substrates. Measurements shall be taken after removal of dry spray and overspray.

Gauges shall be adjusted to compensate for the substrates effect prior to application of anycoating.


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7.10 Defects

Coatings shall be free of defects such as sags, pin-holes, voids, blisters, wrinkles, mud crackingand bubbles.

Dry spray and overspray shall be removed.

The DFT of each coat shall not be outside the specified range.

7.11 Touch-up

Prior to application of any coat, defects and damage to the previous coat shall be repaired.Damage to finished work shall be thoroughly cleaned and recoated.

Damaged areas shall be spot blast cleaned or power tool cleaned as necessary to restore anyexposed steel to its original degree of cleanliness.

Loose, cracked and damaged coating shall be removed and the adjacent sound coatingfeathered back to form a uniform and smooth surface.

Feathering shall be done by hand or power sanding with a grit wheel or sand paper.

The remainder of existing coating surface shall be properly protected with shields or screens toprevent any possible damage to the coating.

Area with inadequate coating thickness shall be thoroughly cleaned and if necessary abraded.Additional coat shall be applied blending in with the final coating on adjoining areas.

The prepared surface shall be free of loose, burnt or blistered coating.

Unless otherwise, the coating used for repair shall be the same as the original and shall havethe same DFT.All repairs shall be specified in COMPANY specifications DEP 30.48.00.31-Gen, ref [1].

7.12 Brush or Roller Application

Written COMPANY approval shall be required before brush or roller application can besubstituted for spray application.

Brushes shall be of a style and quantity that will enable proper application of the coating.

Brushing shall be done so that a smooth coat with uniform thickness is obtained. When applyingcoatings with a brush, multiple coats may be required to achieve the specified millage.


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8.0 INSPECTION

CONTRACTOR shall perform inspections necessary to ensure that surface preparation andcoating application complies with the requirements of this specification. The indicated recordsshall be kept daily and shall be submitted to COMPANY at least weekly. Approved CoatingInspection Record, shall be used to record this information.

COMPANYs authorized inspector(s) shall be given adequate notice prior to the start of surfacepreparation and coating application so that they can witness the work. COMPANYs authorizedinspector shall have the option to witness or repeat any of these functions as necessary.

Materials, equipment, and work shall be available to COMPANYs authorized inspector(s).

COMPANYs authorized inspector(s) shall have access to the work site during the progress ofthe work and shall have the right to conduct any inspection or testing deemed necessary toensure that the coatings are properly applied.

Instruments used in inspection activities (e.g., thermometer, pyrometers, hygrometers, thicknessgauges, profile gauges, and holiday detectors) shall be supplied by the SUPPLIER in properworking order and calibrated prior to use.

8.1 Compressed Air Cleanliness

The cleanliness of compressed air supply used for blast cleaning, pneumatic tools, and sprayequipment shall be checked for oil and water contamination in accordance with ASTM D 4285,

ref [36].

Lines shall be tested separately.

Testing shall be performed at the beginning and end of each work shift and at not less thanFour-hour intervals.

In the event that contamination is discovered, necessary corrective actions shall be made andthe air supply re-tested.

Surfaces that are determined to have been blasted with contaminated air shall be cleaned withsolvent and re-blasted with clean air and abrasive.

Coatings that are determined to have been applied using contaminated air shall be removedand reapplied using clean air.

8.2 Abrasive Material

Recirculated shot and grit used for abrasive cleaning shall be tested for the presence of oil byimmersing in water and checking for oil flotation.

Tests shall be made at the start of blasting, at four-hour intervals thereafter, and at the end ofblasting.


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If oil is evident, contaminated abrasive shall be replaced with clean abrasive and retested beforeproceeding.

Steel blasted since the last satisfactory test shall be re-blasted.

8.3 Environmental Conditions

The following shall be checked and recorded at the beginning of each days operation andseveral times during the application process:

ambient temperature

relative humidity dew point

moisture-free surface

temperature of the surface to be coated

These recordings shall be compared with criteria stated in item 4 of Section 6.2 in thisspecification and the manufacturers data sheets.

If any criteria are exceeded, coating shall not be applied.

8.4 Surface Preparation (Including Touch-Up Preparation)

Immediately prior to priming, blasted surfaces shall be inspected by the following methods toverify that the specified surface preparation has been achieved:

The anchor pattern shall be verified using Press-O-Film tape as described in ASTM D4417 Method C, ref [35].

The degree of cleanliness shall be verified by comparison to SSPC-VIS 1, ref [34].


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8.5 Coating Application

Dry film thicknesses shall be measured using a Microtest Magnetic Film Thickness Gauge orCOMPANY-reviewed equal in accordance with SSPC-PA 2, ref [37].

The dry film thickness gauge shall be calibrated to the COMPANYs satisfaction at the beginningof coating work and thereafter, regularly and whenever the COMPANY requests recalibration.

Calibration of the film thickness gauge shall be made using the procedures in SSPC-PA 2, ref[37].Record the thickness for each coat as work proceeds as well as the total thickness of each

finished coating system.

The entire surface of internal linings shall be inspected for holidays per NACE RP0188. Whentesting hard-to-get-at locations around appurtenances and nozzles, a small sponge attachmentshall be used.

Areas containing holidays shall be locally sandblasted to bare metal, recoated with the samesystem and retested for holidays. Detected holidays, correction and final holiday-free inspectionshall be recorded.

The entire surface of splash zone coatings shall be inspected for holidays using a COMPANYreviewed high voltage spark type detector. The voltage setting shall be determined based on

Table 1 from NACE RP0188.

Areas containing holidays shall be locally sandblasted to bare metal, recoated and reinspected.

Areas found to contain runs; overspray, pinholes, sags and/or other signs of improperapplication shall be repaired in accordance with the manufacturers recommendations at theSUPPLIERs expense.

8.6 Inspect ion by COMPANY

Work shall be subject to COMPANY inspection.

The COMPANYs inspectors shall be given at least two days notice prior to the start of surfacepreparation or coating application so that they can witness the work.

Work shall not proceed past each of the inspection hold points defined below without theapproval of the COMPANYs inspectors.


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Completion of surface preparation, prior to primer application Completion of application of each coat (primer, intermediate and top-coat)

Holiday detection and repair (internal linings and splash zone coatings only)

Final acceptance of completed coating work

The COMPANYs inspectors shall ensure that necessary inspections are carried out at eachhold point.

COMPANYs inspectors shall have the right to condemn any materials, equipment or work not incompliance with this specification.

Necessary corrective actions shall be performed by the SUPPLIER at SUPPLIERs expense.

Scaffolding, beam clamps, or any other equipment which will interfere with or damage coatingshall not be used.

SUPPLIER shall provide safe access to all areas for inspection by COMPANY.

SUPPLIER shall maintain the area to prevent contamination of coatings (i.e., wet down dustyfabrication and painting areas including the surrounding grounds when dry conditions areexperienced).

Prior to final coating acceptance, SUPPLIER shall wash the entire platform with fresh water andapply a finish coat to areas stained and contaminated by grinding, weld spatter, general traffic,

etc.

8.7 Coating MANUFACTURERs Representatives

The coating MANUFACTURERs representatives shall have access to the work site during theprogress of the work to perform any inspection and testing deemed necessary to ensure that thecoatings are properly applied.


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9.0 COATING SYSTEMS

9.1 Coating System

Coating system shall follow the list of systems as specified in COMPANY Specification DEP30.48.00.31-Gen, ref [1] .

All coatings shall be provided in accordance with the COMPANY coating system Data sheets inCOMPANY Specification DEP 30.48.00.31-Gen, ref [1].

9.2 Colour Coding

Colour coding shall be in accordance with the Colour coding detailed in COMPANYSpecification DEP 30.48.00.31-Gen, ref [1].

The finish coat color of external coating systems shall follow this colour coding. Contrastingcolors shall be used for each of the intermediate coats to allow inspection for full coverage.Finish colors for purchased equipment shall be specified otherwise on the purchase order.


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10.0 MATERIAL STORAGE AND HANDLING

Painting materials shall be stored and handled in accordance with theMANUFACTURERs instructions. Materials shall be delivered to the place ofapplication in unopened, original containers bearing a legible product designation,batch number, expiry date, shelf life, date of manufacture and colour codesapplicable to the project specification.

The specified paint: primers, intermediate and topcoat together with theirassociated thinners shall be stored in cool dry environments free from heat, heatsources, segregated away for all naked flames, welding sparks and maintained at

room temperature.

Painted items shall be protected from damage by use of non abrasive supportsduring storage. Coated surfaces shall be protected from damage during lifting orhandling by use of soft packing between slings where possible. Where damage topainted surface is unavoidable these areas shall be clearly identified and repairedin accordance with painting and touch up specified in this procedure.

Transport and construction of painted structures shall be carried out only after thedrying time specified by the paint MANUFACTURER has elapsed and damage topaint system shall be avoided by taking appropriate measures such as the use ofnon-metallic slings etc for handling and conveying.

10.1 Protection of Materials and Equipment

All materials and equipment will be specifically protected by CONTRACTOR fromany risk of damages/pollution generated by his and/or subcontracted acts fromtime of reception to time of commissioning.

10.2 Storage of Stainless steel Topsides items

CONTRACTOR shall ensure that stainless steel items will not suffer from pittingcorrosion due to long duration exposure to salty atmosphere (marine / coastal

atmosphere). Stainless steel items should preferably be stored in closed shelteredarea avoiding direct exposure to such environment.


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10.3 Handling and shipping of coated itemsCoated items shall be carefully handled to avoid damage to coated surfaces. Nohandling shall be performed before the coating system is cured to an acceptablelevel. Packing, handling and storage facilities shall be of non metallic type.

Coated items shall be stacked off the ground using suitable means (e.g. parallelridges of rock free sand, wooden timbers placed under the uncoated pipe ends) toavoid damages of the coating.

11.0 REPAIRS

Any repair shall be performed in accordance with the instructions given in theMANUFACTURERs / SUPPLIERs Technical Data Sheet and shall be approvedby COMPANY.

Small areas of coatings that require repair may be abraded to bare steel withsandpaper sanding disks, hand file or wire brush (mechanical or manual). Edges

of existing coatings around repair shall be firmly adherent and shall be feathered.Coating may be applied to such repair areas using a brush, if suitable for theparticular type of coating. The repair technique for coatings with DFT below thatspecified shall depend upon the state of cure of the coating. Coatings that haveexceeded the minimum recoat interval and have not exceeded the maximumrecoat interval may be cleaned, as required, and overcoated with the samematerial. Coatings that have exceeded the maximum recoat interval shall berepaired using approved procedures and MANUFACTURERs/ SUPPLIERsrecommendations.Repairs of defects shall be in accordance with recommendations in DEP30.48.00.31-Gen, ref [1].

When the coating is damaged down to the steel, and spot cleaning is necessary, theseareas shall be cleaned by blasting or power tool cleaning.

COMPANY approval is required on case by case basis prior to substituting power toolcleaning for abrasive cleaning

After the metal surface has been cleaned, the edge of the surrounding coating shall befeather-edged to remove all cracked, loose or damaged coating. Feather-edging shall beaccomplished by power or hand sanding with a grit wheel or sandpaper. The preparedsurface shall be free of all loose, burnt, or blistered coating.

Welding undercut and porosity shall be repaired prior to application of the coating.


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Any defect shall be repaired before the application of further coats. Subject to theagreement of COMPANY, and after determining the type and size of the defects,the following methods of repair shall be applied:

Major defects

The paint shall be removed completely by abrasive blast-cleaning and the entiresystem shall be re-applied.

Minor defects (localized appearance, mechanical damage,scratches, etc.)

Subject to the agreement of the SUPPLIER of the product, the system shall beremoved by localized blast-cleaning, the edges of the sound coating shall befeathered back about 50 mm, and the repair system shall be applied.

Where paint work and insulation is damaged or removed due to temporary bracing/ supports, temporary attachments, lifting attachments / equipment, tie-downoperations on any other cause, the damaged insulation shall be removed, thepaint work removed (if necessary) as per COMPANY specification DEP30.48.00.31-Gen, ref [1] and the insulation re-applied in accordance with theCOMPANY specifications ref [3].


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12.0 QUALITY CONTROL AND INSPECTION

12.1 General

The CONTRACTOR shall submit to COMPANY a quality system manual. Thequality system shall include specific QA/QC procedures for the work and testprocedures for all materials.

VENDOR shall submit to COMPANY Approval a complete set of procedures andsupporting drawings, corresponding to each phase of the work execution, i.e.reception of materials and items to be insulated, preparation of work, insulation

system application, inspection and tests.

The QC procedures shall include an Inspection and Test Plan with references toall work preparation, application, repair and test procedures, number of samples,acceptance and rejection criteria and frequency of tests, hold-points and witnesspoints and associated notification program. This ITP shall be submitted toCOMPANY for Review and Approval and shall be jointly signed by all the partiesinvolved in the work.

VENDOR shall provide facilities for the inspection of all materials and applicationprocedures before and during the insulation work, up to the contractual completion

date. Inspection shall be carried out during and after completion of any stage andbefore commencement of the following stage, beginning with material checks andending with final performance checks.

12.2 Qualification of Personnel

12.2.1 Insulation Applicator Personnel

The personnel involved in insulation application/inspection shall have a relevantknowledge of health and safety hazard, use of protection equipment, insulation

materials, application of insulation materials, insulation systems surfacerequirements, and how to avoid corrosion under insulation.

Only well-experienced personnel shall be mobilized for the execution of the work.Operators shall be qualified to tradesman level as insulation fitter and/or sheetmetal worker. The skill of the personnel shall be demonstrated throughdocumented curriculum vitae with reference to previous insulation application andsubmitted to COMPANY for approval. Once approved, the personnel shall not bechanged without written notice to COMPANY. Qualification of any new personnelshall be demonstrated as defined above and COMPANY approval obtained priorimplementation.


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Without proven qualification to tradesman level, personnel shall be subject to atest in accordance with Heat/Cold Conservation Insulation System(s) selectedbased on their application(s). The test shall be supervised by a qualifiedsupervisor and examined by qualified QC personnel. An examination certificateshall be issued if the candidate passes the test. Inspection personnel shall haveaccess to site test procedures.

12.2.2 Qualification of Supervisors, Foremen and QC Personnel

Personnel carrying out inspection or verification shall be qualified to tradesmanlevel and shall be accepted as inspector by COMPANY.

Supervisors and foremen shall be qualified to tradesman level and shall havedocumented minimum 3 years experience with insulation work corresponding towork described in this standard.

All QC and supervision personnel shall be familiar with the requirements inspecification, DEP 30.48.00.31-Gen, ref [1] and relevant standards.

12.3 Test and Inspection dur ing the Work

The VENDOR shall check the following points in accordance with the selectedsystem. The results of these checks shall be recorded (Quality Control Report).

Conformity of thermal insulation supports,

Condition of surfaces to which the thermal insulation is applied,

Climatic conditions of application,

Surface temperatures,

Quality of materials (compliance with specifications),

Thickness and number of layers,

Quality of implementation,

Effectiveness of fixings and clamping elements,

Quality of prefabrication of sheet components, Compression of sheets on equipment,

Fixing of sheets to each other and to insulation supports,

Finishing,

Water tightness of insulation,

Quality and strength of removable boxes at manholes(assembly/dismantling),

Compliance with specifications.


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12.4 Final Inspection and Release

Final inspection shall be conducted by all parties involved when the system isconsidered complete or as soon as possible thereafter. After final completion of asystem, a release for system insulation completion should be issued. TheInsulation VENDOR shall be kept responsible for the performance of insulationsystem(s) till the contract completion date and warranty period has expired, unlessthe systems are not operated within the design envelope or are damaged byothers.

The application shall be inspected to determine that the insulation is of the properthickness and that its materials, workmanship and finishes meet the specifications.

Infrared inspection technique can be used after start-up to verify proper thermalperformance of the insulation system(s).

The results of the tests shall be confirmed by a report. A second check shall becarried out before the end of the warranty period. Acceptance test operations shallbe confirmed by a report.

13.0 TECHNICAL FILE

CONTRACTOR shall hand over a technical file to COMPANY at the end of theworks which shall include:

All inspection reports.

Provisional acceptance reports.

Guarantee certificates.

Insurance certificates for the guarantee.