work and its quality control painting;

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ENGINEERING TECHNICAL SPECIFICATION

DOC: No. ETS 219

Title : Specification for Civil Construction

Work and its Quality Control. - PAINTING -

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WARNING All printed hard copies of this computerised ETS document are considered uncontrolled. This may not be the latest revision - please check the Index before use. Work and its Quality Control painting;

Specification for Civil Construction Work and its Quality Control - PAINTING -

REV

AMD

DESCRIPTION

DATE

APPROVED BY

SIGN.

C

Overall doc update as

described in Revision Log

Feb 2011

ENG/00/06 Jon Mason

AUTHORISER: ENG/00/06 Jon Mason Engineering Assurance Manager TECHNICAL APPROVAL: ENG/50/06 Andy Ratcliffe Civil Manager CUSTODIAN: ENG/50/06 Andy Ratcliffe Civil manager CONTROLLER: ENG/17A/01 Stan Davies QMS Focal Point DISTRIBUTION: Held as an electronic document as part of the Site Engineering/Maintenance

Quality System

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Rev REV. AMD NO.

Document Revision Log

SIGN.

Jul ‘94 O New ETS - see cover sheet page 1. Nov ‘94 O/1 Additional notes added to Specifications N2, E15, E16 & E17.

Also new Specification E25 and page number changes as result of new Specification.

BR

Feb ‘98 O/2 Custodian was EIS/41/06. Put into electronic format and onto LAN

RLT

July ‘99 Custodian now OME/60/06 Oct

2001 A Revisions and additions, new passages on high temperature paint

application , inclusion of slurry blasting as an option and a section dealing specifically with floating roof tanks.

Jon Mason M

Ravenscroft S. Pain

Sept.’05

19.2.1 scope & extent of painting, para. 5

-Systems indicated in Appendix1 and 2: This is a firm requirement for all maintenance, project and shutdown work on insulated equipment and piping with the following two exceptions:

1. For emergent shutdown work, insulated equipment and piping should be painted if it is practical to do so. 2. Where the elevated surface temperature is considered too hot to safely apply protective coatings whilst on line. In both cases the inspection frequency shall be reviewed to reflect this lack of protection against future corrosion.

Steel structures

Silver grey Shell standard colour 26 included, B.S 4800 added to index.

Appendix 1 Specification Nos. changed to reflect additional specifications: N2 new spec. for temperatures up to 230 deg. C.

Spec. N1. Interzinc 72 changed to Interzinc 52. Spec. N2. Temperature reduced to 230 deg. C. coating changed to Intertherm

228

Spec.N3 Note 2 added. Spec. N4 Previously N2 with dft of zinc dust graphite increased and aluminium

coating deleted. Additional note regarding site application over zinc silicate primer.

Spec. N5 Previously N4. Spec. N6 Previously N5. Spec. N7 Previously N6. with carbon steel deleted. Spec.N8 Previously N7. Spec. N8a Previously N7a. Spec.

N8b Previously N7b.off site preparation of roof plates: spec. No. changed to N9. dft increased to intermediate coat, finish coat changed to Interthane 990 with reduced dft.

Spec.N9 Previously N8. Spec.

N9a Previously N9.Temperature changed to up to 540 deg. C. Interplate 11 replaced to Interplate 855 or 937.

N11 Interplus 770 changed to Interseal 670, finish names and Nos added. Appendix 2 Specifications Nos. changed to reflect additional/deleted

specifications. E15a added, E26 deleted.

Spec. E13 Note 4 added re- new build tanks. Spec.E13a Finish coat changed to Interthane 990, with reduced dft.

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Spec. E13b Finish coat changed to Interthane 990 with reduced dft. Spec. E14 Intertherm 50 aluminium coating deleted. Spec. E15 Overcoating times at elevated temperatures included. Notes re-

practicality of blasting and addition of thinners added.

Spec. E15a New specification for surface temperatures 100-150 deg. C. Spec. E18 Coal tar coating replaced by high-build bitumen. Spec. E21 Intermediate coat changed to Interseal 670. Spec. E22 Primer changed to Interseal 670 . Spec. E23 Intermediate coat changed to Interseal 670, finish products and Nos.

added.

Spec. E26 Specification deleted (included in Spec. E15) Spec. IL1 Alternative lining (Interline 984) added. Spec. IL2 Lining changed to Interzone 1000. Spec. IL3 Holding/stripe coat dfts reduced, alternative lining (Interline 399)

added.

Spec. IL4 Intermediate coat dfts added, alternative lining (Interline 975) added.

Feb.2011 Rev. C

19.21 19.3.1 19.5.8 19.10 Spec. N3 Spec. N4 Spec. N6 Spec. N8A Spec. N8B Spec. N9 Spec. N10 Spec. N11 Appendix 2 Spec. E13 Spec.E13plus Spec. E13a

Engineering procedure included for piping, variations included para 3. Attention to field weld procedure, new specification E 25 b. para.1 375 mm changed to microns. Silver grey added to tanks etc, Emergency egress added, note on lustrous aluminium added. Note 3 added. Specification changed. Addition of thinners required to attain recommended DFT Inclusion of spec. E 25 procedure for field welds. Primer dft reduced to 75 microns, 1st. intermediate coat changed to aluminium epoxy, 2nd intermediate “to shade”, weldable primer changed to Interplate 398, non-slip changed to Intershield 851. Inclusion of spec. E 25 procedure for field welds. 2nd. Stripe coat included (MIO), 2nd. Intermediate to shade, weldable primer changed to Interplate 398. Weldable primer changed to Interplate 398. No. of coats deleted. Additional coat of finish included. Spec. E13 plus added, Spec. 25 changed to field weld procedure. Hand/power tool clean to a MINIMUM standard of St2 added, primer changed to Interseal 670, Note 5 to depict minimum DFT, non-slip changed to Intershield 851. Alternative product for extended overcoating time included. Specification added. Hand/power tool clean to a MINIMUM standard of St2 added, intermediate coat DFT increased, alternative product for extended overcoating time included. Note 3 to depict MINIMUM dft, primer

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Spec. E13B Spec. E14 Spec. E15 Spec. E15A Spec. E16 Page 43 Spec. E19 Spec. E20 Spec. E21 Spec. E22 Spec. E23 Spec. E25 Appendix 3 Spec. IL3 Spec. IL4 Spec. IL5 Spec. IL6 Page 61

changed to Interseal 670 aluminium. Inclusion of spec. E25 for the preparation of field welds, hand/power tool clean to a minimum of St2 added, weldable primer changed to Interplate 398, primer changed to Interseal 670 aluminium. Note for extended overcoating times. Power tool clean to a minimum of St2 added, primer/finish with increased DFT, finish coat deleted. Change of overcoating times Preparation to a minimum of St2 added, No.of coats deleted prime/intermediate. Uninsulated added to scope, note 3 added for finish coating. Removed, alternative suppliers page 61 No. of coats deleted. Preparation to a minimum of St2 added, No. of coats deleted. Preparation to a minimum of St2, finish coat as depicted on page 15, primer/intermediate changed to Interseal 670. Additional coat of finish. Additional coat of finish. Change of specification, from galvanised cladding to field weld specification. IL5/IL6 added, Internal tank/vessel lining guidelines added. Interline 961 deleted. Interline 925 deleted. Specification added. Specification added. Alternative suppliers.

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19. PAINTING - CONTENTS

19.1 INTRODUCTION

19.2 GENERAL

19.2.1 Scope and Extent of Painting

19.2.2 Approved Manufacturers

19.3 SURFACE PREPARATION

19.3.1 Hand and Power Tool Cleaning

19.3.2 Blast Cleaning

19.3.3 Preparation Grades

19.3.4 Rust Grades

19.3.5 New Steelwork and Piping

19.3.6 Abrasives

19.3.7 Surface Profile

19.4 PAINT APPLICATION

19.4.1 General

19.4.2 Environmental Conditions

19.4.3 Priming Coat

19.4.4 Thinning

19.4.5 Brushing, Roller and Spraying

19.4.6 Preparation Between Paint Coats

19.5 INSPECTION AND TESTING

19.5.1 Surface Preparation

19.5.2 Salt Contamination Test

19.5.3 Assessment of Surface Cleanliness (After Hand/Blast Cleaning)

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19.5.4 Surface Profile Test

19.5.5 Wet Film Thickness

19.5.6 Dry Film Thickness

19.5.7 Adhesion Test

19.5.8 Pinhole Testing

19.5.9 Degree of Cure

19.5.10 Steel Temperature

19.5.11 Relative Humidity and Dew-point

19.6 STRUCTURAL STEELWORK, COLUMNS, VESSELS, HEAT TRANSFER EQUIPMENT,

PIPING, TANKS, LPG SPHERES AND STEEL STACKS

19.6.1 General

19.6.2 Prefabricated Weldable Primers

19.6.3 New Structural Steelwork

19.6.4 Underground Piping

19.6.5 Non-Standard Paint Specifications for Internal Linings

19.7 MISCELLANEOUS MECHANICAL AND ELECTRICAL EQUIPMENT, FIREFIGHTING AND FIRST AID EQUIPMENT AND INSTRUMENTS, INSTRUMENT PANELS, CONSOLES AND CABINETS

19.8 PLANT BUILDINGS

19.9 MARINE FACILITIES

19.10 COLOUR SCHEMES

APPENDIX 1 - SPECIFICATIONS FOR NEW WORKS - EXTERNAL COATINGS APPENDIX 2 - SPECIFICATIONS FOR EXISTING WORKS - EXTERNAL COATINGS APPENDIX 3 - SPECIFICATIONS FOR INTERNAL LININGS - BOTH NEW AND EXISTING WORKS

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19.1 INTRODUCTION

The ETS has been introduced to cover Painting Specifications for both new and existing works. It shall be used in conjunction with the Standards specified in the Painting D.E.P. Technical Specifications as follows :-

D.E.P. 40.48.00.30-Gen - Paints and Paint Materials

D.E.P. 30.48.00.10-Gen - Painting and Coating

D.E.P. 30.48.00.31-Gen - Painting and Coating for New Construction

Projects

WHERE THE DOCUMENTS ARE IN CONFLICT, ORDER OF PREFERENCE SHALL BE THE ETS FOLLOWED BY THE D.E.P's.

19.2 GENERAL

19.2.1 Scope and Extent of Painting

This ETS covers the general requirements for painting structures, plant equipment, piping (Engineering procedure and work instruction applies for on-line preparatory work), tanks and buildings for both new and existing works.

For all external paint coating specifications for new and existing works refer to Appendices 1 and 2 of this ETS.

For internal paint linings to new and existing tanks and vessels containing crude oil, motor gasoline, kerosine, gas oil, aromatics hydrocarbons, industrial water and demineralised water, refer to Appendix 3.

Specifications for any other type of cargo and variations of the above in tanks and vessels will be classified as a 'non-standard' specification. In this case a specification will be recommended by the Civil Inspection Section of EIS. The specification will be based on information data from the Unit Technologist which shall include type of cargo, chemical analysis including trace elements in parts per million, pH value, any water content and the design and operating temperatures of the tank or vessel.

All thermal and acoustic insulated surfaces of equipment and piping of carbon steel, low and intermediate alloy steel and stainless steel for both high and low temperature services shall be protected before insulation is applied with one of the paint systems indicated in Appendix 1 and 2. This is a firm requirement for all Maintenance, Projects and shutdown work on insulated equipment and piping, with the two following exceptions;

1. For Emergent shutdown work, insulated equipment and piping should be painted if it is practical to do so.

2. Where the elevated surface temperature is considered too hot to safely apply protective coating whilst on line.

In both cases the inspection frequency shall be reviewed to reflect this lack of protection against future corrosion.

The following surfaces shall not be painted unless otherwise specified by the Engineer :-

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(a) Uninsulated stainless steel, non-ferrous metals such as aluminium, copper, brass and

similar weather resisting materials.

(b) Galvanised mild steel surfaces of structural steel, sheet metal, fencing and galvanised pipework.

(c) Nameplates and pushbuttons except Emergency stop buttons.

(d) Thermal insulation coverings such as galvanised mild steel, polished steel or

aluminium.

(e) Operating parts of machinery including instrument valves and valve spindles. 19.2.2 Approved Manufacturers

Paints shall be obtained from manufacturers on the Company's list of approved suppliers for the type of paint to be used. Current copies of this list are available to the Contractor upon request.

19.3 SURFACE PREPARATION 19.3.1 Hand and Power Tool Cleaning

Prior to hand and power tool cleaning any heavy layers of rust shall be removed by chipping or needle gunning. Oil, grease and dirt, all sharp points and weld spatter shall also be removed.

Manual cleaning to remove all loose scale, rust or other foreign matter by using hand wirebrush or mechanically operated cleaning tools using grinders, chippers, scrapers or wirebrushes. Care shall be taken to avoid burrs, sharp edges or cutting into the steel. Special attention shall be paid to rivet heads, welds (see specification E 25 for field weld procedure), angles etc.

In providing a clean abraded surface to the required specification it is most important that a 'polished surface' is avoided.

After hand and power tool cleaning to the specified standard, the surface shall be cleaned from loose dust and debris prior to applying the priming coat.

19.3.2 Blast Cleaning

Prior to blast cleaning any heavy layers of rust shall be removed by chipping. Visible oil, grease and dirt, all sharp points and weld spatter shall also be removed.

Blast cleaning to remove all millscale, rust and other foreign matter can be by open blast, closed blast, slurry blast and small areas by vacuum blasting. After blasting the surface shall be cleaned from loose dust and debris prior to applying the priming coat.

19.3.3 Preparation Grades

HAND CLEANING

The two preparation grades (as per International Standard ISO 8501-1) are as follows :-

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ST2 - Thorough hand and power tool cleaning

The surface shall be free from visible oil, grease and dust and from poorly adhering millscale, rust, paint coatings and foreign matter. Refer to photographs CST2 and DST2 within ISO 8501-1.

ST3 - Very thorough hand and power tool cleaning

As for ST2 but the surface shall be treated much more thoroughly to give a metalic sheen arising from the metalic substrate. Refer to photographs CST3 and DST3 within ISO 8501-1.

BLAST CLEANING

The four preparation grades (as per International Standard ISO 8501-1) are as follows :-

SA 1 - Light Blast Cleaning

The surface shall be free from visible oil, grease and dirt and from poorly adhering millscale, rust, paint coatings and foreign matter. Refer to photographs BSA1, CSA1 and DSA1 within ISO 8501-1.

SA 2 - Thorough Blast Cleaning

The surface shall be free from visible oil, grease and dirt and from most of the millscale, rust paint coatings and foreign matter. Any residual contamination shall be firmly adhering. Refer to photographs BSA2, CSA2 and DSA2.

SA 2.1/2 - Very Thorough Blast Cleaning

The surface shall be free from visible oil, grease and dirt and from millscale, rust, paint coatings and foreign matter. Any remaining traces of contamination shall show only as slight stains in the form of spots or stripes. Refer to photographs ASA2.1/2, BSA 2.1/2, CSA2.1/2 and DSA2.1/2 within ISO 8501-1.

SA 3 - Blast Cleaning to Visually Clean Steel

The surface shall be free from visible oil, grease and dirt, and shall be free from millscale, rust, paint coatings and foreign matter. It shall have a uniform metallic colour. Refer to Photographs ASA3, BSA3, CSA3 and DSA3 within ISO 8501-1.

19.3.4 Rust Grades

The condition of the steel surface prior to surface preparation is defined in 4 rust grades (as per International Standard ISO 8501-1), as follows :-

A - Steel surfaces largely covered with adhering millscale but little, if any, rust.

B - Steel surface which has begun to rust and from which the millscale has begun to flake.

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C - Steel surface on which the millscale has rusted away or from which it can be scraped but with slight pitting visible under normal vision.

D - Steel surfaces on which the millscale has rusted away and on which general pitting is

visible. 19.3.5 New Steelwork and Piping

The surface preparation shall be by blast cleaning. 19.3.6 Abrasives

Abrasive type and particle size shall be selected to best suit the type of priming material and to satisfy the paint manufacturers recommendation bearing in mind the surface profile required.

Suitable captive abrasives are chilled iron grit, chilled iron shot, steel grit and shot and cut wire.

Suitable expendable abrasive is copper slag and shall be in accordance with BS.7079 (Preparation of Steel Substrates before Application of Paints and Related Products - Part F3 - Specification for Copper Refinery Slag). The content of free Crystalline Silica in copper slag shall not exceed 1%. Copper slag abrasives have a predominantly angular shape.

Aluminium oxide is the abrasive recommended for blasting stainless steel.

All abrasive material shall be free from corrosive constituents and adhesion impairing contaminants.


The required degree of surface profile on peak-to-valley height of the surface depends on the thickness of the coating to be applied.

The surface profile shall be kept within 30 to 80 microns unless specified otherwise by the paint manufacturers data sheet.

19.4 PAINT APPLICATION 19.4.1 General

The paint application shall be carried out strictly to the paint manufacturers product data sheet which will include mix ratio, method of application, whether thinners can be used, and overcoating times.

The various paints shall be applied to the dry film thicknesses as specified in the paint specifications, (see Appendices 1, 2 & 3).

Paints shall not be applied within 50mm of edges prepared for field welds subject to later field testing except when a weldable primer is specified. The prepared weld areas shall be taped for a distance of 50mm either side of the weld line. The protective tape shall be of sufficient quality to protect the surface preparation cleanliness. Coated surfaces which require further fabrication shall have all coatings completely removed 50mm either side of the line of burning or welding. The remainder of the paint shall be abraded back for a further 100mm.

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19.4.2 Environmental Conditions

Paints shall not be applied under the following conditions :-

a) The surface temperature is less than 3 deg.C above the dew-point.

b) The relative humidity is higher than 85%.

c) The air temperature is less than 4 deg.C.

d) When the temperature is expected to fall to 0 deg.C before the paint has dried or when there is the likelihood of an unfavourable change in weather conditions within two hours after coating.

Generally paint shall not be applied when the surface temperature is greater than 40 deg.C. Above this temperature specification E15 shall be used.

19.4.3 Priming Coat

Irrespective of the method of cleaning, all cleaned surfaces shall receive the priming coat as soon as practical and shall never be left uncoated overnight unless agreed by the paint manufacturer. Cleaning shall be limited to areas which can be cleaned and primed comfortably within a normal working day.

19.4.4 Thinning

Thinning will not normally be permissible unless recommended in the paint manufacturers data sheet.

19.4.5 Brushing, Roller and Spraying

Application of paints by brush, roller and spraying shall be as recommended by the paint manufacturers.

In spraying application, before spraying each coat, all areas such as corners, edges, welds, small brackets, bolts, nuts etc., shall be precoated by brush to ensure that these areas have at least the minimum specified dry-film thickness.

In spraying, air pressuring, jets and nozzles shall be as recommended by the paint manufacturer. Each coat is to be applied uniformly and completely over the entire surface and without runs, sags or pin-holing. The spray gun shall be held so that the tip is 300-600mm from the surface being painted.

19.4.6 Preparation Between Paint Coats

The Contractor to ensure that there is no contamination such as dust, salt spray etc. on the surface.

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19.5 INSPECTION AND TESTING 19.5.1 Surface Preparation

Prior to any preparation operations commencing the surface shall be free of oil, grease and any other foreign matter and all weld spatter and sharp edges removed.

19.5.2 Salt Contamination Test

When blast cleaning heavily rusted and rust-pitted steel, rust-spotting at points corresponding to the rust pitting can take place an hour or two after blasting. For thes types of surfaces, especially inside a tank or vessel, a salt contamination test shall be carried out in accordance with BS.5493 Appendix G. The cause is the presence of rust-producing soluble salts of iron which are practically colourless and are located at the lowest point of the rust pits.

19.5.3 Assessment of Surface Cleanliness (After Hand/Blast Cleaning)

This is a visual comparison of the hand/blast clean surface with the photographic standards included in the International Standard ISO 8501-1 : 1988 (E).


Regular measurements of the roughness of the blasted surface shall be carried out using one of the following methods :-

a) The roughness of the blast cleaned surface can be measured with a surface profile

meter such as the Elcometer Profile Gauge 123. b) Optical method using a profile comparator in accordance with ISO Standard 8503.

c) The Elcometer 122 Testex tape is used in conjunction with the Elcometer 124 foil

thickness gauge is another method to give peak-to-valley height. This method enables a replica of the profile to be produced which can then be attached to a report for future reference.

19.5.5 Wet Film Thickness

Spot checks to be carried out during the course of the operation to ensure thickness is being maintained. The measurement is most commonly carried out using a comb gauge.

19.5.6 Dry Film Thickness

The initial inspection is visual and will reveal application defects such as overspray, misses, dirt inclusion, blisters, sags and runs.

Non-destructive measurement of film thickness shall be carried out using electro-magnetic induction instruments such as the Elcometer 256. These instruments shall be calibrated on the standard provided by the instrument manufacturer.

19.5.7 Adhesion Test

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The standard test methods for measuring adhesion by tape test shall be in accordance with ASTM D3359-92a. The lattice pattern test within this Standard shall not be used for films thicker than 125 microns.

19.5.8 Pin-hole Testing The whole of internal tank linings shall be tested for continuity of coating. Battery operated equipment is available for detecting defects using the following equipment :-

a) Low Voltage Test

The wet sponge method to be used for thin coatings up to 375 microns. Method of operation is to draw the moistened sponge over the surface in accordance with the manufacturers instructions.

The wetting agent used in the sponge usually consists of a 3% NaC1 (Sodium Chloride) solution to which a suitable detergent (e.g. 1% Teepol) is added to enhance the wetting properties of the electrolyte.

If the substrate is austenitic stainless steel, Chloride containing salt solutions shall not be used. A solution of 3% Ammonium Sulphate to be substituted.

It is important that this test is not applied before the lining has cured for the recommended time.

This test will only reveal defects that go all the way through to the steel.

b) High Voltage Spark Test

For thicker coatings (greater than 375microns) a higher voltage is required to detect individual pin-holes or voids. The high voltage spark detector should be set at 100 volts per 25 micron thickness.

When a lining has a flaw consisting of reduced thickness or an air bubble the dielectric strength of the lining at the flawed area is reduced. Thus, if a specified high voltage is applied to this flawed area, a spark will penetrate this weakened area and the flaw is detected.

19.5.9 Degree of Cure

For testing degree of cure the following method shall be adopted :-

If, after holding the solvent against the surface by means of cotton wool swab and gentle rubbing for 1 to 2 minutes, no coating is removed then the cure is satisfactory.

19.5.10 Steel Temperature

Coatings have different minimum curing/drying or film forming temperatures. In each case the steel temperature shall be above the minimum at the time of application and during curing.

19.5.11 Relative Humidity and Dew-point

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The dew-point is a temperature where water is spontaneously deposited on the substrate and therefore the substrate shall always be a minimum of 3 deg.C above the dew-point.

A maximum relative humidity is 85%. The instrument which gives readings of relative humidity is the whirling hygrometer.

19.6 STRUCTURAL STEELWORK, COLUMNS, VESSELS, HEAT TRANSFER EQUIPMENT,

PIPING, TANKS, LPG SPHERES AND STEEL STACKS 19.6.1 General

All new equipment and piping shall be blast cleaned as hand preparation will not remove all the adhering millscale.

Refer to section 19.3 for surface preparation.

For specifications covering a range of equipment surface temperatures for both lagged and unlagged carbon steel, low and intermediate alloy steel and stainless steel refer to Appendices 1, 2 and 3.

The external finish to all tanks containing "White Oil" products to have a total radiant heat reflectance minimum of 70%.

Austenitic stainless steel shall be painted with a zinc-free paint system.

19.6.2 Prefabricated Weldable Primers

The life of a prefabricated weldable primer is limited because of its very thin coating and the environmental conditions during storage, therefore, the following shall apply :-

a) Prefabrication weldable primers, less than three months old and still in good condition

shall be cleaned thoroughly with clean fresh water before applying the paint system.

b) Prefabricated weldable primers exposed longer than three months to the atmosphere shall require approval by the Engineer before applying the specified system.

c) Because of the life limitation of a weldable primer, the primer specified in the detailed full specifications (see Appendices), shall be the preferred primer providing that shop and site welded areas, subject to later testing, are taped for a distance of 50mm either side of the weld line.

19.6.3 New Structural Steelwork

Hot-dip galvanising is the preferred method of protecting new steelwork. The hot-dip galvanising shall be to BS.729 and give a minimum specified weight of 610 g/m2.

19.6.4 Underground Piping

For the recommended coatings to protect external surfaces of underground piping refer to ETS 603 - Pipework - External Protection of Buried or Submerged Pipework.

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19.6.5 Non-Standard Paint Specifications for Internal Linings

Refer to Notes in section 19.2.1. 19.7 MISCELLANEOUS MECHANICAL AND ELECTRICAL EQUIPMENT, FIREFIGHTING AND

FIRST AID EQUIPMENT AND INSTRUMENTS, INSTRUMENT PANELS, CONSOLES AND CABINETS

All the aforementioned equipment including machinery, pumps, motors, switches, transformers, etc., shall be prepared and painted in accordance with the manufacturers standards, unless specified otherwise by the Engineer.

19.8 PLANT BUILDINGS

Refer to Appendix 1 and 2 for Paint Specifications for Woodwork and Metalwork and Structural Steelwork.

19.9 MARINE FACILITIES

Refer to Appendix 1 and 2 for Paint Specifications for Steelwork to Jetties in Permanent Submerged Zone Including Tidal and Splash Zones.

19.10 COLOUR SCHEMES

General

Where applicable e.g. for marine and offshore facilities, colour schemes shall be in accordance with Local Rules and Customs.

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Otherwise the following shall apply :-

B.S. 4800 OR COLOUR SHELL STANDARD

COLOUR N0.

Steel Structures SILVER GREY 26 ALUMINIUM (if not galvanised)

Tanks/vessels/columns/ ALUMINIUM heat exchangers/piping/ BLUSH GREY OR 22-B-15 pumps and machinery SILVER GREY 26 (up to 100 deg.C)

Handwheels, ladders, BLACK - handrails and stairways (if not galvanised)

Pump bedplates BLACK 1

Electrical Equipment

Motors ALUMINIUM

Control valves (bonnet of valve)

a) Air Fail OPEN BRIGHT BLUE 27

b) Air Fail CLOSED OLIVE GREEN 16

c) Emergency Shut Valves SHELL RED 11

Control valves (remainder of valve) ALUMINIUM

Safety Colours

Where appropriate for safety reasons, the following colour scheme shall be adhered to :-

Dangerous obstructions BLACK AND YELLOW -/4 (in alternative bands)

Dangerous or exposed parts ALERT ORANGE 33 of machinery

Fire equipment and services SHELL RED 11

First Aid equipment DARK GREEN 9

Emergency egress points Fluorescent orange NOTE: Aluminium to be lustrous (shade ref. PHA906) except for elevated temperature use.

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APPENDIX 1 - SPECIFICATIONS FOR NEW WORKS - EXTERNAL COATINGS SPEC.No. ITEMS OF EQUIPMENT/TEMPERATURE RANGE ----------------------------------------------------------------------------- N1 External Uninsulated Carbon Steel, Low and Intermediate Alloy Steel to piping, columns,

vessels, heat transfer equipment and steel stacks up to skin temperature of 100°.C. N2 External Insulated & Uninsulated Carbon Steel, Low and Intermediate Alloy Steel to piping,

columns, vessels, heat transfer equipment for skin temperature from 100°C to 230°C N3 External Insulated & Uninsulated Carbon Steel, Low and Intermediate Alloy Steel to piping,

columns, vessels, heat transfer equipment for skin temperature from 200°C to 540°C N4 External Insulated & Uninsulated Carbon Steel, Low and Intermediate Alloy Steel to piping,

columns, vessels and heat transfer equipment, where application is onsite and spraying could be impracticable. –40 to 570°C.

N5 External Insulated Carbon Steel, Low and Intermediate Alloy Steel to piping, columns, vessels

and heat transfer equipment, for skin temperatures from –40°C up to 150°C. N6 External Insulated Stainless Steel Piping and Equipment for skin temperatures from –40°C up

to 150°C. N7 External. Insulated Stainless Steel to piping, columns, vessels and heat transfer equipment for

skin temperatures from 150°C to 540°C N8 Off site manufactured External Uninsulated above ground, Steel Storage Tanks and LPG

Spheres for skin temperatures up to 100°C. N8A Site erected external Uninsulated above ground steel storage tanks and LPG Spheres but

excluding floating roofs and underside of tank bottoms. N8B Site erected external Uninsulated new build floating roofs on above ground steel storage tanks

for skin temperatures up to 100°C N9 Prefabricated Weldable Primer for Carbon Steel, Low and Intermediate Alloy Steel for piping,

columns, vessels and tanks, for skin temperatures 0-100°C. N9A Prefabricated Weldable Primer for Carbon Steel, Low and Intermediate Alloy Steel for piping,

columns, vessels and tanks, for skin temperatures 0-540°C. N10 External Paint Specification for Buried Storage Vessels and Steelwork to Jetties in Permanent

Submerged Zone, including the Tidal and Splash Zones. N11 Galvanised Steel requiring 'Day-Glo' Finish. N12 External Paint Specification for Plant Buildings. (Woodwork and Metalwork).

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SPECIFICATION No. N1 NEW WORKS EXTERNAL PAINT SPECIFICATION FOR UNINSULATED CARBON STEEL, LOW AND INTERMEDIATE ALLOY STEEL TO ABOVE GROUND PIPING, COLUMNS, VESSELS, HEAT TRANSFER EQUIPMENT AND STEEL STACKS UP TO SKIN TEMPERATURE OF 100°C. PREPARATION : Blast Clean to SA 2.1/2 PRIMER : 1 Coat Zinc Rich 2-Pack Epoxy - 50 microns DFT INTERMEDIATE : 1 Coat Low Temperature Cure 2-Pack Epoxy MIO - 125 microns DFT FINISH : 1 Coat 2-Pack Recoatable Polyurethane - 50 microns DFT NOTE: The finishing Coat to be Aluminium colour. ------------------------------------------------------------------------------ International Paint Products : Primer - Interzinc 52

Intermediate - Intercure 384 MIO Finish - Interthane 990 -

or equivalent Products from Shell List of Approved alternative suppliers

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SPECIFICATION No. N2 NEW WORKS EXTERNAL PAINT SPECIFICATION FOR UNINSULATED & INSULATED CARBON STEEL, LOW AND INTERMEDIATE ALLOY STEEL TO ABOVE GROUND PIPING, COLUMNS, VESSELS, HEAT TRANSFER EQUIPMENT AND STEEL STACKS FROM 100°C TO 230C. PREPARATION : Blast Clean to SA 2.1/2 PRIMER : 1 Coat Crosslinked HB Epoxy Phenolic 100 microns DFT FINISH : 1 Coat Crosslinked HB Epoxy Phenolic 100 microns DFT NOTE: This system has excellent thermal shock resistance ------------------------------------------------------------------------------ International Paint Products : Primer/Finish Intertherm 228


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SPECIFICATION No. N3 NEW WORKS EXTERNAL PAINT SPECIFICATION FOR UNINSULATED & INSULATED CARBON STEEL, LOW AND INTERMEDIATE ALLOY STEEL TO ABOVE GROUND PIPING, COLUMNS, VESSELS, HEAT TRANSFER EQUIPMENT AND STEEL STACKS FROM 150 C TO 540 C PREPARATION : Blast Clean to SA 2.1/2 PRIMER : 1 Coat 2-Pack Zinc Ethyl Silicate - 50 microns DFT FINISH : 1 Coat Modified Silicone Aluminium - 25 microns DFT NOTE: 1.The modified Silicone Aluminium Coating shall not be over-applied. Application at 40 microns per Coat results in blistering when taken to high temperatures. 2. For site application where spraying is impracticable use System N4 for temperatures up to 450°C 3. Where thermal cycling conditions prevail the use of Cold spray aluminium (Intertherm 898) should be considered) ------------------------------------------------------------------------------ International Paint Products : Primer - Interzinc 22

Finish - Intertherm 50


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SPECIFICATION No. N4 NEW WORKS EXTERNAL PAINT SPECIFICATION FOR INSULATED & UNINSULATED CARBON STEEL, LOW AND INTERMEDIATE ALLOY STEEL TO ABOVE GROUND PIPING, COLUMNS, VESSELS, HEAT TRANSFER EQUIPMENT AND STEEL STACKS WITH SKIN TEMPERATURES FROM -40°C-450°C WHEN APPLICATION IS ON SITE AND APPLICATION BY SPRAY IS IMPRACTICABLE. PREPARATION : Blast Clean to SA 2.1/2 PRIMER : 2 Coats cold spray aluminium - 200 microns DFT NOTE: If brush applied multiple coats will be required to attain recommended dry film thickness. ------------------------------------------------------------------------------ International Paint Products : Primer and Finish – Intertherm 898


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SPECIFICATION No. N5 NEW WORKS EXTERNAL PAINT SPECIFICATION FOR INSULATED CARBON STEEL, LOW AND INTERMEDIATE ALLOY STEEL TO ABOVE GROUND PIPING, COLUMNS, VESSELS, HEAT TRANSFER EQUIPMENT FOR SKIN TEMPERATURES FROM -40°C UP TO 150°C. PREPARATION : Blast Clean to SA 2.1/2 PRIMER : 1 Coat Surface-tolerant 2-Pack Epoxy Aluminium

- 100 microns DFT FINISH : 1 Coat Surface-tolerant 2-Pack Epoxy Aluminium

- 100 microns DFT ------------------------------------------------------------------------------ International Paint Products : Primer and Finish - Interplus 256


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SPECIFICATION No. N6 NEW WORKS EXTERNAL PAINT SPECIFICATION FOR INSULATED STAINLESS STEEL PIPING AND EQUIPMENT FOR SKIN TEMPERATURES FROM –40°C UP TO 150°C. PREPARATION : Light blasting with Aluminium Oxide PRIMER : 1 Coat Surface-tolerant 2-Pack Epoxy Aluminium

- 50 microns DFT FINISH : 1 Coat Surface-tolerant 2-Pack Epoxy Aluminium

- 50 microns DFT Note- The addition of 5% thinners (GTA 220) will be required to attain the recommended dft. ------------------------------------------------------------------------------ International Paint Products : Primer and Finish – Interplus 256


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SPECIFICATION No. N7 NEW WORKS EXTERNAL PAINT SPECIFICATION FOR INSULATED & UNINSULATED STAINLESS STEEL ABOVE GROUND PIPING, COLUMNS, VESSELS, HEAT TRANSFER EQUIPMENT FOR SKIN TEMPERATURES FROM 150°C TO 540°C. PREPARATION : Light blasting with Aluminium Oxide PRIMER : 1 Coat Modified Silicone Aluminium - 25 microns DFT FINISH : 1 Coat Modified Silicone Aluminium - 25 microns DFT NOTE : The modified Silicone Aluminium shall not be over-applied. Applications at 40 microns per coat results in blistering when taken to high temperatures. Blast profile not to exceed 40-50 microns peak to valley measurement. ------------------------------------------------------------------------------ International Paint Products : Primer / Finish Intertherm 50


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SPECIFICATION No. N8 NEW WORKS TANKS VESSELS & SPHERES EXTERNAL PAINT SPECIFICATION FOR UNINSULATED ABOVE GROUND STEEL STORAGE TANKS MANUFACTURED AND PAINTED OFFSITE AND LPG SPHERES FOR SKIN TEMPERATURES UP TO 100°C (EXLUDING FLOATING ROOFS AND THE UNDERSIDE OF TANK BOTTOMS – SEE SPEC NOS. N9 & 8B FOR PAINT DETAILS) PREPARATION : Blast Clean to SA 2.1/2 PRIMER : 1 Coat Low Temperature Cure 2-Pack Epoxy Zinc Phosphate – 75 microns DFT INTERMEDIATE: 1 Coat Low Temperature Cure 2-Pack High Build Epoxy MIO – 125 micros DFT FINISH: 1 Coat 2-Pack Recoatable Polurethane – 50 microns DFT NOTE: The finishing Coat for tanks to be Blush Grey (22.B.15)

White for Spheres ------------------------------------------------------------------------------ International Paint Products : Primer – Intercure 324 Intermediate – Intercure 384 MIO Finish – Interthane 990


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SPECIFICATION No. N8A NEW WORKS SITE ERECTION: BRUSH & ROLLER PAINT APPLICATION. EXTERNAL PAINT SPECIFICATION FOR UNINSULATED ABOVE GROUND STEEL STORAGE TANKS, LPG SPHERES INCLUDING SHELL PLATES OF FLOATING ROOF TANKS BUT EXCLUDING FLOATING ROOFS AND UNDERSIDE OF TANK BOTTOMS FOR SKIN TEMPERATURE UP TO 100°c PREPARATION: Off Site Preparation of Plates Blast clean to SA2½ external surfaces of plates only PRIMER: Apply to external surfaces only. 1 coat of 2 pack epoxy zinc phosphate weldable –

primer 25 microns DFT SITE (Post Erection) PREPARATION: Prepare all site welds as specification E25, prepare areas of breakdown/erection

damage in previously applied weldable primer by hand and power tool to ST2. STRIPE COAT/SPOT PRIMER Stripe coat all prepared welds and spot prime areas of breakdown/damage. 1 coat surface tolerant 2 pack epoxy aluminium. 75 microns DFT 1ST INTERMEDIATE 1 coat surface tolerant 2 pack epoxy alumuminium - 75 microns DFT 2nd INTERMEDIATE 1 coat surface tolerant 2 pack epoxy to shade- 75 microns DFT FINISH 1 coat 2 pack recoatable polyurethane 50 microns DFT NON SLIP WALKWAYS 1 coat highbuild, high solids aggregate filled 2 pack epoxy NOTE: The finishing Coat to be, Hydrocarbon Storage Tanks - Blush Grey (22.B.15)

White for Spheres International Paint Products : Weldable Primer – Interplate 398 Stripe & Spot Primer – Interplus 256 Intermediate – Interseal 670HS Finish – Interthane 990 None Slip – Intershield 851


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SPECIFICATION No. N8B NEW WORKS EXTERNAL PAINT SPECIFICATION FOR SITE ERECTED UNINSULATED NEW BUILD FLOATING ROOFS ON ABOVE GROUND STEEL STORAGE TANKS ATURE UP TO 100°C PREPARATION: Off Site Preparation of Roof Plates External surfaces only to be treated as per ETS 219 specification N9 PREPARATION: Post Erection Treatment at Site.

Prepare all site welds as specification E 25, prepare areas of erection damage and break down in off site applied weldable primer by hand and power tool to ST2.

STRIPE COAT/SPOT PRIMER Stripe coat all prepared welds and spot prime areas of breakdown/damage. 1 coat surface tolerant 2 pack epoxy aluminium. 75 microns DFT 2nd. STRIPE COAT 1 coat surface tolerant MIO - 100 microns DFT INTERMEDIATE 1 coat surface tolerant 2 pack epoxy – (to shade) 150 microns DFT FINISH 1 coat highbuild, high solids 2 pack polyurethane 75 microns DFT NOTE 1: The above specification assumes application by means of airless spray NOTE 2: Finish colour to be Blush Grey (22.B.15)

International Paint Products : Weldable Primer ETS 219 Specification No.9 Interplate 398 Stripe & Spot Primer – Interplus 256 2nd. Stripe coat Interplus 770 MIO Intermediate – Interseal 670HS Finish – Interthane 990


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SPECIFICATION No. N9 NEW WORKS EXTERNAL PAINT SPECIFICATION FOR THE APPLICATION OF A PREFABRICATED WELDABLE PRIMER FOR CARBON STEEL, LOW AND INTERMEDIATE ALLOY STEEL FOR ABOVE GROUND PIPING, COLUMNS, VESSELS AND TANKS FOR SKIN TEMPERATURES UP TO 100°C. PREPARATION : Blast Clean to SA 2.1/2 PRIMER : 1 Coat 2-Pack Epoxy Zinc Phosphate Weldable Primer

- 25 microns DFT Primer is the only coating required to the underside of tank bottom plates ------------------------------------------------------------------------------ International Paint Products : Primer – Interplate 398


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SPECIFICATION No. N9A NEW WORKS EXTERNAL PAINT SPECIFICATION FOR THE APPLICATION OF A PREFABRICATED WELDABLE PRIMER FOR CARBON STEEL, LOW AND INTERMEDIATE ALLOY STEEL FOR ABOVE GROUND PIPING, COLUMNS, VESSELS AND TANKS FOR SKIN TEMPERATURES UP TO 540°C. PREPARATION : Blast Clean to SA 2.1/2 PRIMER : 1 Coat 2-Pack Zinc Ethyl Silicate Weldable Primer

15-20 microns DFT ------------------------------------------------------------------------------ International Paint Products : Primer – Interplate 855 or Interplate 937


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SPECIFICATION No. N10 NEW WORKS EXTERNAL PAINT SPECIFICATION FOR BURIED STORAGE VESSELS AND STEELWORK TO JETTIES IN PERMANENT SUBMERGED ZONE INCLUDING THE TIDAL AND SPLASH ZONES. PREPARATION : Blast Clean to SA 2.1/2 PRIMER : High Build, High Solids, 2-Pack Modified Epoxy

- 500 microns DFT ------------------------------------------------------------------------------ International Paint Products : Interzone 954 H.Build Epoxy


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SPECIFICATION No. N11 PAINT SPECIFICATION FOR NEW GALVANISED STEEL REQUIRING 'DAY-GLO' FINISH PREPARATION : Degrease and abrade as necessary PRIMER : Phosphoric Acid Based Etching Solution INTERMEDIATE : 1 Coat Surface Tolerant High Build Epoxy White

- 80 microns DFT FINISH : 2 Coats Alkyd Gloss 'Day-Glo' Finish

- 60 microns DFT

and 1 Coat Alkyd Varnish - 25 microns DFT NOTE: Apply 'Day-Glo' Finish to White Epoxy, within 3 days. ------------------------------------------------------------------------------ International Paint Products : Primer - Etch Solution GDA 160

Intermediate – Interseal 670 HS White Finish Interlac 668 Interlac 678


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SPECIFICATION No. N12 EXTERNAL PAINT SPECIFICATION FOR NEW PLANT BUILDINGS - WOODWORK AND METALWORK. WOODWORK PRIMER : 1 Coat Oil Based Primer - 25 microns DFT OVERCOAT : 1 Coat Alkyd Undercoat - 40 microns DFT FINISH : 1 Coat Alkyd Gloss - 35 microns DFT METALWORK PRIMER : 1 Coat Zinc Phosphate Primer - 50 microns DFT OVERCOAT : 1 Coat Alkyd Undercoat - 40 microns DFT FINISH : 1 Coat Alkyd Gloss - 35 microns DFT


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APPENDIX 2 - SPECIFICATIONS FOR EXISTING WORKS - EXTERNAL COATINGS

I N D E X INTRODUCTION Technically, the most effective surface preparation is blast cleaning, therefore, a hand preparation shall only be used when blast cleaning is not feasible. Revert to specifications for new works when preparation is blast clean. Due consideration shall be given to surface preparation & applying external coating to on-line equipment & piping. Adequate wall thickness checks should be carried out first & a job method statement produced by the maintenance Contractor. The following specifications are for a hand prepared surface unless stated otherwise. ------------------------------------------------------------------------------ SPEC.No. ITEMS OF EQUIPMENT / TEMPERATURE RANGE ------------------------------------------------------------------------------ E13 External Structural Steelwork and Uninsulated Carbon Steel, Low and Intermediate Alloy Steel

to piping, columns, vessels, heat transfer equipment, tanks, LPG spheres and steel stacks up to skin temperatures of 100 deg.C.

E13 plus External Structural Steelwork and Uninsulated Carbon Steel, Low and Intermediate Alloy Steel

to piping, columns, vessels, heat transfer equipment, tanks, LPG spheres and steel stacks etc. up to skin temperatures of 100 deg C. where aggressive climatic/operating conditions prevail.

E13A External uninsulated floating roofs on steel storage tanks up to 100C skin temperature without

grit blasting for inspection. E13B External unisulated floating roofs on steel storage tanks up to 100C skin temperature, blast

clean for inspection purposes. E14 External Uninsulated Carbon Steel, Low and Intermediate Alloy Steel to piping, columns,

vessels, heat transfer equipment and steel stacks up to skin temperatures from 100 deg.C to 400 deg.C.

E15 External Insulated Carbon Steel, Low and Intermediate Alloy Steel to piping, columns, vessels

and heat transfer equipment for skin temperatures from -40 deg.C up to 150 deg.C. E15A External Uninsulated etc. 100°C up to 150°C E16 External Insulated Stainless Steel piping and equipment for skin temperatures from -40 deg.C

up to 150 deg.C. E17 External Insulated Carbon Steel, Low and Intermediate Alloy Steel and Stainless Steel to

piping, columns, vessels and heat transfer equipment, for skin temperatures from 150 deg.C up to 400 deg.C.

E18 External Paint Specification for underside of existing tanks (if tank is jacked up) for skin

temperatures up to 100 deg.C.

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E19 External Paint Specification for buried storage vessels and steelwork to jetties in tidal and splash zones.

E20 Paint Specification for Structural Steel prior to Concrete/Vermiculite fireproofing. E21 Paint Specification for Structural Galvanised Steel that is breaking down/corroding. E22 Paint Specification for Weathered Structural Galvanised Steel requiring 'Day-Glo' Finish. E23 Paint Specification for Corroded Structural Galvanised Steel requiring 'Day-Glo' Finish. E24 External Paint Specification for Plant Buildings. (Woodwork and Metalwork). E25 Paint specification for preparation and protective coating system for field welds.

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SECIFICATION No. E13 EXISTING WORKS EXTERNAL PAINT SPECIFICATION FOR STRUCTURAL STEELWRK, UNINSULATED CARBON STEEL, LOW AND INTERMEDIATE ALLOY STEEL TO ABOVE GROUND PIPING, COLUMNS, VESSELS, HEAT TRANSFER EQUIPMENT, TANKS. LPG SHERES AND STEEL STACKSUP TO SKIN TEMPERATURES OF 100 DEG.C. (EXCLUDING FLOATING ROOFS, SEE SPEC. E13A & E13B). PREPARATION : Hand and power tool clean to a minimum of ST2 * PRIMER : 1 Coat Surface Tolerant 2-pack Epoxy Aluminium (brush applied) -100 microns DFT INTERMEDIATE : 1 Coat Surface Tolerant 2-pack -75 microns DFT FINISH : 1 Coat 2-pack Recoatable Polyurethane Finish -50 microns DFT

Refer to “INDUCTION” in existing works Paint Spec. Index Regarding specifying a hand prep. surface.

NOTE 1: The finish coat to be in accordance with 19.10. NOTE 2: This paint system will upgrade existing Alkyd and Chlorinated Rubber systems. NOTE 3: Cone roof tanks require non-slip on walkways. NOTE 4: This specification does not apply to new build tanks, Refer to specification N8A. NOTE 5: Dry film thickness quoted are MINIMUM standard. International Paint Products: Primer : Interseal 670 HS aluminium (For extended overcoating times Interplus 256) Intermediate : Interseal 670 HS (colour to suit finish) Finish : Interthane 990 Non-slip : Intershield 851 Or equivalent Products from Shell list of approved alternative suppliers

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SPECIFICATION No. E13 PLUS EXISTING WORKS EXTERNAL PAINT SPECIFICATION FOR STRUCTURAL STEELWORK, UNINSULATED CARBON STEEL, LOW AND INTERMEDIATE ALLOY STEEL TO ABOVE GROUND PIPING, COLUMNS, VESSELS, HEAT TRANSFER EQUIPMENT, TANKS, LPG SPHERES AND STEEL STACKS UP TO SKIN TEMPERATURES OF 100 DEG.C. WHERE AGGRESSIVE CLIMATE/OPERATING CONDITIONS PREVAIL. (EXCLUDING FLOATING ROOFS, SEE SPECS E13A & E13B). PREPARATION : Hand/power tool clean to a minimum of ST2 * PRIMER : 1 Coat Surface Tolerant 2-Pack Epoxy Aluminium (Brush applied)

- 100 microns DFT 1st. INTERMEDIATE : 1 coat surface tolerant epoxy MIO - 100 microns DFT 2nd. INTERMEDIATE :1 Coat Surface Tolerant 2-Pack - 75 microns DFT FINISH : 1 Coat 2-Pack Recoatable Polyurethane Finish

- 50 microns DFT * Refer to 'INTRODUCTION' in existing Works Paint Spec. Index regarding specifying a hand prep. surface. NOTE 1: The finishing Coat to be for steel structures as page 15. Hydrocarbon containing Tanks to be Blush Grey 22.B.15 Spheres to be White NOTE 2: This paint system will upgrade existing Alkyd and Chlorinated Rubber systems. NOTE 3: Cone roof tanks require non-slip on walkways. NOTE 4: This specification does not apply to new build tanks, Refer to Specification N8A NOTE 5: Dry film thickness quoted are MINIMUM standard. ------------------------------------------------------------------------------ International Paint Products :

Primer: Interseal 670 aluminium (for extended overcoating times Interplus 256) 1st. Intermediate: Interplus 770 M.I.O

2nd. Intermediate :Interseal 670HS colour to suit finish. (for extended overcoating times use Interplus 770) Finish : Interthane 990 Non-slip : Intershield 851


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SPECIFICATION No. E13A EXISTING WORKS. EXTERNAL PAINT SPECIFICATION FOR THE TREATMENT OF UNINSULATED FLOATING ROOFS ON ABOVE GROUND STEEL STORAGE TANKS UP TO A SKIN TEMPERATURE OF 100C, WITHOUT GRIT BLASTING FOR INSPECTION. PREPARATION : Hand/power tool clean to a minimum of ST2. SPOT PRIMER : 1 Coat surface tolerant 2 pack epoxy aluminium - 100 microns DFT INTERMEDIATE : 1 Coat surface tolerant 2 pack epoxy - 150 microns DFT FINISH : 1 Coat 2 pack recoatable Polyurethane - 75 microns DFT NOTE 1 The above specification assumes application by means of airless spray. NOTE 2 Finish colour to be Blush Grey (22-B-15) NOTE 3 Dry film thicknesses are to MINIMUM standard. ------------------------------------------------------------------------------ International Paint Products : Spot Primer – Interseal 670 HS aluminium

Intermediate – Interseal 670 HS (for extended overcoating times use Interplus 770) Finish – Interthane 990

Or equivalent Products from Shell list of approved alternative suppliers

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SPECIFICATION No. E13B EXISTING WORKS. PAINT SPECIFICATION FOR THE TREATMENT OF UNINSULATED FLOATING ROOFS ON ABOVE GROUND STEEL STORAGE TANKS UP TO A SKIN TEMPERATURE OF 100C. Roof blast cleaned for inspection purposes. PREPARATION : Blast clean to SA2 ½ HOLDING PRIMER: 1 Coat 2 pack epoxy zinc phosphate weldable primer - 25 microns DFT Post Inspection and possible repairs. PREPARATION : Prepare any new welds as specification E 25, prepare all areas of breakdown damage in previously applied weldable primer by hand/power tools to a minimum of ST2. Stripe coat / spot primer. Stripe coat all welds and spot prime areas of breakdown / damage in weldable primer. : 1 Coat surface tolerant 2 pack epoxy aluminium - 100 microns DFT INTERMEDIATE : 1 Coat surface tolerant 2 pack epoxy - 150 microns DFT FINISH : 1 Coat 2 pack recoatable Polyurethane - 75 microns DFT NOTE 1 The above specification assumes application by means of airless spray. NOTE 2 finish colour to be Blush Grey (22-B-15) ------------------------------------------------------------------------------ International Paint Products : Weldable holding primer - Interplate 398

Stripe / spot primer – Interseal 670 HS aluminium Intermediate - Interseal 670HS (for extended overcoating times use Interplus 770) Finish – Interthane 990

Or equivalent Products from Shell list of approved alternative suppliers

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SPECIFICATION No. E14 EXISTING WORKS EXTERNAL PAINT SPECIFICATION FOR INSULATED AND UNINSULATED CARBON STEEL, LOW AND INTERMEDIATE ALLOY STEEL TO ABOVE GROUND PIPING, COLUMNS, VESSELS, HEAT TRANSFER EQUIPMENT AND STEEL STACKS FROM 100 DEG.C TO 400 DEG.C. PREPARATION : Hand/power tool clean to a minimum of ST2 * PRIMER/FINISH : 1 Coat Zinc Dust Graphite - 75 microns DFT * Refer to 'INTRODUCTION' in existing Works Paint Spec. Index regarding specifying a hand prep. surface. ------------------------------------------------------------------------------ International Paint Products : Intertherm 890 Zinc Dust Graphite


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SPECIFICATION NO.E15 EXISTING WORKS (ON LINE) EXTERNAL PAINT SYSTEM FOR INSULATED CARBON STEEL LOW AND INTERMEDIATE ALLOY STEEL TO ABOVE GROUND PIPING, COLUMNS, VESSELS AND HEAT TRANSFER EQUIPMENT FOR SKIN TEMPERATURES FROM -40°C UP TO 150°C Preparation: Slurry or Grit blast to SA2½ If blasting is not practical prepare by means of hand and / power tools to minimum St2. Primer: 1 coat surface tolerant epoxy aluminium 100 micron DFT Finish: 1 coat surface tolerant epoxy aluminium 100 micron DFT Overcoating times when working on line at elevated temperatures 40°C-70°C Overcoating of primer coat: not less than 1 hour but within a maximum of 2 hours of

application of primer. 70°C-90°C Overcoating of primer coat: not less than 30 mins. but within a maximum of 1½ hours of

application of primer. 90°C-100°C Overcoating of primer: not less than 15 minutes but within a maximum of 30 minutes of

application of primer. When application of Primer/Finish is 70°C and above add 5% thinners (GTA220) to epoxy aluminium Over 100°C appropriate technical advice shall be sought on each specific case. Note:

1. Should maximum overcoating period elapse before application of 2nd coat, primer must be thoroughly abraded with medium glass paper or equivalent.

2. At elevated surface temperature recommended DFT may not be attained. Refer to “Introduction” in existing Works Paint Spec-Index regarding specifying a hand prep surface. ------------------------------------------------------------------------------ International Paint Products : Primer and Finish - Interplus 256 Or equivalent Products from Shell list of approved suppliers

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Specification No.E15A Existing Works EXTERNAL PAINT SPECIFICATION FOR UNINSULATED CARBON STEEL, LOW AND INTERMEDIATE ALLOY STEEL TO ABOVE GROUND PIPING, VESSELS AND HEAT TRANSFER EQUIPMENT FOR SKIN TEMPERATURES FROM 100°C AND UP TO 150°C. Preparation: Hand/power tool clean to a minimum of St2. Spot Primer Surface tolerant epoxy aluminium 100 microns DFT Intermediate Surface tolerant epoxy aluminium 100 microns DFT Finish: 1 coat oleoresinous Aluminium 25 microns DFT Refer to “Introduction” in existing Works Paint Spec-Index regarding specifying a hand prep surface. Note 1 Oleoresinous Aluminium must be applied over surface tolerant epoxy within 3 days. Note 2 This specification is NOT for Painting the pipe cladding ------------------------------------------------------------------------------ International Paint Products : Primer Interplus 256

Intermediate Interplus 256 Finish Intertherm 891

Or equivalent Products from Shell list of approved suppliers

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SPECIFICATION No. E16 EXISTING WORKS EXTERNAL PAINT SPECIFICATION FOR INSULATED STAINLESS STEEL PIPING AND EQUIPMENT FOR SKIN TEMPERATURES FROM -40 DEG.C UP TO 150 DEG.C. PREPARATION : Provide a clean abraded surface using hand/mechanical tools -

Stainless Steel wirewool/wirebrush/rotary wirebrush * PRIMER : 1 Coat Surface Tolerant 2-Pack Epoxy Aluminium

- 50 microns DFT FINISH : 1 Coat Surface Tolerant 2-Pack Epoxy Aluminium

- 50 microns DFT * Refer to 'INTRODUCTION' in existing Works Paint Spec. Index regarding specifying a hand prep. surface. NOTES: 1.In providing a clean abraded surface it is most important that a

'polished surface' is avoided. 2. This Specification IS NOT for Painting the pipe cladding. 3. Uninsulated areas requiring a weather resistant finish coat, finish Intertherm 891 at 25 microns DFT.

------------------------------------------------------------------------------ International Paint Products : Primer and Finish - Interplus 256


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SPECIFICATION No. E17 EXISTING WORKS EXTERNAL PAINT SPECIFICATION FOR INSULATED CARBON STEEL, LOW AND INTERMEDIATE ALLOY STEEL AND STAINLESS STEEL TO PIPING, COLUMNS, VESSELS AND HEAT TRANSFER EQUIPMENT FOR SKIN TEMPERATURES FROM 150 DEG.C UP TO 400 DEG.C. PREPARATION : Hand clean to ST3 (Carbon Steel) *

Provide a clean abraded surface using hand/mechanical tools - Stainless Steel wirewool/wirebrush/rotary wirebrush (Stainless Steel) *

PRIMER : 1 Coat Modified Silicone Aluminium - 25 microns DFT FINISH : 1 Coat Modified Silicone Aluminium - 25 microns DFT * Refer to 'INTRODUCTION' in existing Works Paint Spec. Index regarding specifying a hand prep. surface. NOTES 1. The modified Silicone Aluminium Coating shall not be

over-applied. Applications at 40 microns per Coat results in blistering when taken to high temperatures.

2. In providing a clean abraded surface it is most important that a 'polished surface' is avoided. 3. This Specification IS NOT for Painting the pipe cladding.

------------------------------------------------------------------------------ International Paint Products : Primer and Finish - Intertherm 50


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SPECIFICATION No. E18 EXISTING WORKS EXTERNAL PAINT SPECIFICATION FOR UNDERSIDE OF TANKS (IF TANK IS JACKED UP) FOR SKIN TEMPERATURES UP TO 100 DEG.C. PREPARATION : Blast Clean to SA 2.1/2 PRIMER : 1 Coat highbuild bitumous 100 microns DFT FINISH : 1 Coat highbuild bitumous 100 microns DFT NOTE: If tank is not jacked up and floor plates require renewing, then refer to Specification for New

Tanks No. N8, for a Protective Coating Using a Weldable Primer. ------------------------------------------------------------------------------ International Paint Products : Primer - Intertuf 16 Finish - Intertuf 16


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SPECIFICATION No. E19 EXISTING WORKS EXTERNAL PAINT SPECIFICATION FOR BURIED STORAGE VESSELS AND STEELWORK TO JETTIES IN TIDAL AND SPLASH ZONES. PREPARATION : Blast Clean to SA 2.1/2 PRIMER/ : High Build, High Solids, 2-Pack Modified Epoxy FINISH - 500 microns DFT ------------------------------------------------------------------------------ International Paint Products : Primer/finish - Interzone 954 High Build Epoxy


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SPECIFICATION No. E20 PAINT SPECIFICATION FOR EXISTING STRUCTURAL STEEL PRIOR TO CONCRETE/VERMICULITE FIREPROOFING : PREPARATION : Hand Clean to a minimum of ST2 * PRIMER/ : 1 Coat Surface Tolerant 2-Pack Epoxy Aluminium

- 75 microns DFT FINISH : 1 Coat Surface Tolerant 2-Pack Epoxy Aluminium

- 75 microns DFT ------------------------------------------------------------------------------ International Paint Products : Primer/Finish - Interplus 256


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SPECIFICATION No. E21 PAINT SPECIFICATION FOR EXISTING STRUCTURAL GALVANISED STEEL OR CLADDINGTHAT IS BREAKING DOWN/CORRODING : PREPARATION : Prepare areas of rusting to a minimum of ST2 and wash/scrub intact

galvanising with fresh water (do not polish surface) PATCH PRIME : Surface Tolerant 2-Pack Epoxy Aluminium - 75 microns DFT INTERMEDIATE : 1 Coat Surface Tolerant 2-Pack Epoxy - 75 microns DFT FINISH : 1 Coat 2-Pack Recoatable Polyurethane - 50 microns DFT NOTE: The Finishing Coat to be as depicted on page 15. ------------------------------------------------------------------------------ International Paint Products : Patch Primer – Interseal 670 aluminium

Intermediate - Interseal 670 HS Finish - Interthane 990


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SPECIFICATION No. E22 PAINT SPECIFICATION FOR EXISTING WEATHERED STRUCTURAL GALVANISED STEEL REQUIRING A 'DAY-GLO' FINISH : PREPARATION : Scrub all areas with fresh water to remove Zinc Salts PRIMER : 1 Coat Surface Tolerant 2-Pack Epoxy White - 75 microns DFT FINISH : 2 Coats Alkyd Gloss 'Day-Glo' Finish - 60 microns DFT

and 1 Coat Alkyd Varnish - 25 microns DFT NOTE: Apply 'Day-Glo' Finish to White Epoxy within 3 days. ------------------------------------------------------------------------------ International Paint Products : Primer – Interseal 670 HS Finish - Interlac 668 Interlac 678


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SPECIFICATION No. E23 PAINT SPECIFICATION FOR EXISTING CORRODED STRUCTURAL GALVANISED STEEL REQUIRING A 'DAY-GLO' FINISH : PREPARATION : Prepare areas of rusting to ST2 and wash/scrub intact

Galvanising with fresh water (Do not polish surface)

PATCH PRIME : Surface Tolerant 2-Pack Epoxy Aluminium - 75 microns DFT INTERMEDIATE : 1 Coat Surface Tolerant 2-Pack Epoxy White - 75 microns DFT FINISH : 2Coats Alkyd Gloss 'Day-Glo' Finish - 60 microns DFT

and 1 Coat Alkyd Varnish - 25 microns DFT NOTE: Apply 'Day-Glo' Finish to White Epoxy within 3 days. ------------------------------------------------------------------------------ International Paint Products : Patch Prime - Interplus 256

Intermediate - Interseal 670 HS Finish - Interlac 668

Interlac 678


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SPECIFICATION No. E24 EXTERNAL PAINT SPECIFICATION FOR EXISTING PLANT BUILDINGS - WOODWORK AND METALWORK : WOODWORK PATCH PRIME : Oil Based Primer - 25 microns DFT OVERCOAT : 1 Coat Alkyd Undercoat - 40 microns DFT FINISH : 1 Coat Alkyd Gloss - 35 microns DFT METALWORK PATCH PRIME : Zinc Phosphate Primer - 50 microns DFT OVERCOAT : 1 Coat Alkyd Undercoat - 40 microns DFT FINISH : 1 Coat Alkyd Gloss - 35 microns DFT

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SPECIFICATION No. E25 PAINT SPECIFICATION FOR SITE FIELD WELDS. PREPARATION : Solvent wash to remove all surface contaminants and wipe dry ensuring the removal of all solvent residue, abrasive blast to SA 2.5 where possible, if abrasive blasting is considered impractical hand and power tool clean to a minimum of St3 lightly abrading a 50mm “overlap” area onto sound firm edged previous coating. PROTECTIVE COATING SYSTEM: Prime : Surface tolerant 2-pack Epoxy Aluminium - 75 microns DFT (Brush applied) Intermediate coat : Surface tolerant 2-pack Epoxy M.I.O - 100 microns DFT 2nd. Intermediate coat : Surface tolerant two pack Epoxy – 75 microns DFT Finish : 2-pack recoatable Polyurethane – 50 microns DFT NOTE: Dry film thickness quoted are MINIMUM standard. ------------------------------------------------------------------------------ International Paint Products: Patch Prime – Interseal 670

Intermediate – Interplus 770 MIO 2nd. Intermediate coat- Interseal 670 HS colour to shade Finish - Interthane 990

or equivalent Products from Shell List of Approved

alternative suppliers

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APPENDIX 3 - SPECIFICATIONS FOR CARBON STEEL NEW WORKS AND EXISTING WORKS WHEN

STEEL IS STILL IN GOOD CONDITION - INTERNAL LININGS SPEC.No. TYPE OF CARGO ----------------------------------------------------------------------------- IL1 Lining to Crude Oil Tanks up to 70 deg.C, LPG Spheres, Motor Gasoline, Aviation

Gasoline and Naphtha, Kerosine, Jet Fuel, Gas Oil and Distillate Diesel. IL2 Lining to Industrial and Ballast Water up to 50 deg.C. IL3 Lining to Industrial and Ballast Water up to 95 deg.C. IL4 Lining to Demineralised and Potable Water up to 50 deg.C. IL5 Lining to aquous liquid up to 50 deg. C. IL6 Lining for acidic chemicals or hot media up to 90 deg. C.

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Tank Lining Guidance Notes

Surface Preparation · The standard of blast cleaning for tank linings is higher than that required for coatings subject to atmospheric service. The two common standards specified are to SSPC and ISO 8501-1:1988. · As a general principle, where products are recommended for immersion or aggressive atmospheric conditions the blasting standard required will be to Sa2½ (ISO 8501-1:1988) or SSPC SP10. · In some areas of very aggressive service Sa3 (SSPC SP5) may be specified. Always consult the individual data sheets for minimum surface preparation standards. · If advice on any other standard of surface preparation is required, please consult International Protective Coatings. ·Surface preparation and painting work shall be stopped under any of the following conditions. -Below 5°C of air temperature. -Steel surface temperature less than 3 °C above ambient air dew point. -Greater than 85% of the relative humidity. -In condition of strong or gusty winds or poor visibility or raining. -Above 50°C of substrate temperature. Where the substrate is heavily corroded or pitted, it may be necessary to fresh water wash after initial abrasive blasting, to ensure soluble salt contamination is below 30 mgm2 prior to re-instating the blast to standard, the inclusion of a brush applied stripe coat is recommended for the said areas. Health & Safety Some tank linings contain volatile flammable organic solvents which can form explosive mixtures with air and additionally can contain materials which may necessitate personal protection against potential health hazards. A summary of the main precautions to be taken includes:- · Attention to the dangers of explosion or fire. · Provision of adequate ventilation. · Ensure that tanks and surrounding areas are flame and spark free. · Provide painters or operatives with the correct respiratory protection. · Ensure correct protective clothing is worn to avoid skin contact. · The safety advice provided is applicable to the surface preparation, application of the lining and inspection. It is not intended to be comprehensive and is a guide based on accumulated knowledge of the hazards involved, the proposed use of safety equipment and evolved safety procedures. · Full details of the H&S requirements for each material are given on individual Product Health & Safety Data Sheets. Tank Condition Pre Contract Before the start of treatment it is essential that internal tank surfaces are clean, dry and in a condition suitable for surface preparation and application of the lining system. The following minimum requirements apply:- · Tanks must be structurally sound and gas free. · All inlet pipes must be blanked off. · Surfaces should be de-sludged and residues removed from the tank. Oil or grease must be removed from all surfaces to be lined. · Heavy scale or other debris must be removed from all surfaces, including the roof. For heavily scaled or contaminated surfaces rough cleaning by sweep blasting may be required. · Corroded steel that is heavily contaminated may require additional cleaning, e.g. steam cleaning or high pressure fresh water washing, before surface preparation starts. · Any hot work or welding must be completed before surface preparation commences. · Tanks are often subjected to hydrostatic testing and if this is carried out using salt or brackish water then this test must be followed by fresh water washing. In these conditions the maximum allowed salt contamination is 30mg/m2. Where coatings, such as Interline 359, are used for storage of aqueous media at high temperatures (e.g. distilled water up to 90ºC - 194ºF ) then a lower salt contamination level of 20mg/m2 is recommended to prevent premature failure due to osmotic blistering. International Protective Coatings will recommend a suitable test procedure.

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Quality control. Application of tank linings must be in accordance with the manufacturers guidelines and product working procedures. Quality control is the responsibility of the applicator and must be recorded daily, the recorded detail must include amongst other criteria the type of equipment used, constant atmospheric monitoring results, blasting medium, attained blast profile, surface cleanliness details, soluble salt contamination level, blast standard at lining application, extent of any stripe coating including recorded wet/dry film thickness, lining application controls ie. wet/dry film thickness and final spark test results with subsequent repair procedure carried out. (Stripe coats should be applied to all welds, lap joints, plate edges, corners, sharp edges, and any other areas where spray application of the overall coating system may prove difficult resulting in low dry f ilm thickness). Coating life expectancy. Anticipated life expectancy of tank linings depend on a number of factors as a general recommendation thin film tank linings should be inspected after seven years service with thick film coatings after ten years. Previous track records suggest the life expectancy for thin film linings would typically be twelve years for thick films 20 years and laminated coatings in excess of twenty-five years. Individual tank criteria would be required to be taken into account prior to the issuing of a coating warranty. For further information on Tank Linings please contact International Protective Coatings and request a copy of our Recommended Working Procedures. Also available on request is a Video tape giving detailed information on tank coatings.

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SPECIFICATION No. IL1 INTERNAL LINING TO CRUDE OIL TANKS UP TO 70 DEG.C, MOTOR GASOLINE, AVIATION GASOLINE AND NAPHTHA, KEROSINE, JET FUEL, GAS OIL AND DISTILLATE DIESEL : PREPARATION : Blast Clean to SA 2.1/2 HOLDING PRIMER : 1 Coat 2-Pack Epoxy Tank Primer - 15 to 25 microns DFT STRIPE COAT : 2-Pack Solvent-Free Epoxy - 250 microns DFT FINISH : 1 Coat 2-Pack Solvent-Free Epoxy - 400 microns DFT ------------------------------------------------------------------------------ International Paint Products : Primer - Interline 982

Stripe Coat/Finish - Interline 910 or Interline 984 (Heavy Duty System)

or equivalent Products from Shell List of Approved

alternative suppliers

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SPECIFICATION No. IL2 INTERNAL LINING TO INDUSTRIAL AND BALLAST WATER TANKS UP TO 50C PREPARATION : Blast Clean to SA 2.1/2 HOLDING PRIMER : 1 Coat 2-Pack Epoxy Tank Primer - 15 to 25 microns DFT STRIPE COAT : High Solids Glass Flake Epoxy - 350 microns DFT FINISH * : 1 Coat High Solids Glass Flake Epoxy - 600 microns DFT * Volume of solids 90% with a minimum of 30% by weight of glass flake in the dry film. ------------------------------------------------------------------------------ International Paint Products : Primer - Interline 982 Stripe coat - Interzone 1000 Finish - Interzone 1000


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SPECIFICATION No. IL3 INTERNAL LINING TO INDUSTRIAL AND BALLAST WATER TANK UP TO 90C PREPARATION : Blast Clean to SA 2.1/2 HOLDING PRIMER : 1 Coat 2-Pack Solvent Based Epoxy Phenolic (thinned 30%)

25 - 40 microns DFT STRIPE COAT : 2-Pack Solvent Based Epoxy Phenolic – 50 – 75 microns DFT INTERMEDIATE/FINISH : 3 Coats 2-Pack Solvent Based Epoxy Phenolic - 100 microns DFT (each Coat) ------------------------------------------------------------------------------ International Paint Products : Primer Stripe/Intermediate/Finish

- Interline 399


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SPECIFICATION No. IL4 INTERNAL LINING TO DEMINERALISED AND POTABLE WATER UP TO 50 DEG.C PREPARATION : Blast Clean to SA 2.1/2 HOLDING PRIMER : 1 Coat 2-Pack Epoxy Tank Primer - 15 to 25 microns DFT STRIPE COAT : 2-Pack Solvent-Free Epoxy - 250 microns DFT FINISH : 1 Coat 2-Pack Solvent-Free Epoxy - 500 microns DFT ------------------------------------------------------------------------------ International Paint Products : Primer - Interline 982 Finish - Interline 975


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Specification No. IL5 INTERNAL LINING FOR AQUOUS LIQUID CARGOS UP TO 60 DEG. C. PREPARARION: Blast clean to SA 2.1/2 STRIPE COAT: 2- pack High Solids modified epoxy – 250 microns DFT FINISH: 2- pack High Solids modified epoxy – 500 microns DFT International Paint Products : Stripe coat – Interzone 954 Finish _ Interzone 954

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Specification IL6: INTERNAL LINING FOR CHEMICAL STORAGE TANKS AND VESELS WHERE CHEMICAL OR HOT MEDIA ARE TO BE STORED AT TEMPERATURES UP TO 90 DEG. C. PLEASE REFER TO INTERNATIONAL PAINT TECHNICAL DEPARTMENT REGARDING SUITABILITY OF CARGO. PREPARATION: Blast clean to SA 2.5 STRIPE COAT: 2-Pack solvent free vinyl ester – 200 microns DFT. FINISH: 2Coats 2- Pack solvent free vinyl ester – 2x400 microns DFT. Note: Refer to Interline 955 working procedures for application guidelines, including safe working practices, contact International Paint Technical Department for alternative product if guidelines/safe working practices cannot be attained. International Paint Products: Stripe coat/Finish – Interline 955. Or equivalent product from Shell list of approved alternative suppliers.

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Alternative suppliers:

work and its quality control painting;

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