XG10-0000-003_管道及设备涂漆设计统一规定Rev.0

XG10-0000-003

DATE

T H I S D O C U M E N T C O N T A I N S J I N G D I N G E N G I N E E R I N G & C O N S T R U C T I O N C O ., L T D . (J D E C ) C O N F I D E N T I A L I N F O R M A T I O N O F A P R O P R I E T A R Y N A T U R E . T H I S I N F O R M A T I O N M U S T N O T B E C O P I E D O R D I S C L O S E D I N W H O L E O R I N P A R T T O O U T S I D E P A R T I E S N O R U S E D F O R O T H E R T H A N T H E P U R P O S E F O R W H I C H P R O V I D E D W I T H O U T P E R M I S S I O N O F M A N A G E M E N T .

CONTENTS

PAGE

1.0

SCOPE ....................................................................................................... 3 . (3)

2.0

CODE AND STANDARD ............................................................................ 3 (3)

3.0 GENERAL .................................................................................................. 4 (4)

4.0 SURFACE PREPARATION ........................................................................ 5 (5)

5.0 APPLICATION OF PRIMERS AND PAINTS .............................................. 6 . (6)

6.0 SAFETY PRECAUTIONS ........................................................................... 7 (7)

7.0 SPECIAL REQUIREMENT ......................................................................... 7 (7)

8.0 PAINTING MATERIALS AND SELECTION OF PAINT ............................ 10 . (10)

9.0 INSPECTION ............................................................................................ 16 .. (16)

10.0 GUARANTEE ........................................................................................... 16 .. (16)

XG10-0000-003

DATE

T H I S D O C U M E N T C O N T A I N S J I N G D I N G E N G I N E E R I N G & C O N S T R U C T I O N C O ., L T D . (J D E C ) C O N F I D E N T I A L I N F O R M A T I O N O F A P R O P R I E T A R Y N A T U R E . T H I S I N F O R M A T I O N M U S T N O T B E C O P I E D O R D I S C L O S E D I N W H O L E O R I N P A R T T O O U T S I D E P A R T I E S N O R U S E D F O R O T H E R T H A N T H E P U R P O S E F O R W H I C H P R O V I D E D W I T H O U T P E R M I S S I O N O F M A N A G E M E N T .

1.0 SCOPE

1.1

This specification covers the requirements of painting application, paint materials and surface preparation for steel piping, equipment, and structural steel. Any proposed

variations from this specification must be approved by the authorized engineer of client. 1.2

Terms used in this specification are defined:

Painting system means associated with various paint coating to form a completed corrosion resistant or identification barrier.

The term (D.F.T.) stands for dry film thickness for painting, which is specified in micrometers (Microns).

D.F.T.

The maximum temperature, such as the high short term in operating,

regeneration and steam-out for start-up, shall be supplied a suitable and heat resistance painting system as anti-corrosive barrier or identification.

The term of shop means that the manufacturer's and vendor’s plant before transit to the construction site.

/

The term of field stands for this plant construction and erection site.

2.0

CODE AND STANDARD 2.1

GB 8923 (Rust grades and preparation grades of steel surfaces before application of paints and related products)

GB 8923

2.1.1 Sa 2.5 Very Thorough Blast Cleaning .

Sa 2.5

2.1.2 St 3 Very Thorough Hand Tool and Power Tool Cleaning .

St 3

2.2

SH/T 3022 (Design specification for anticorrosion coating of equipment and piping in petrochemical engineering)

SH/T 3022

XG10-0000-003

DATE

T H I S D O C U M E N T C O N T A I N S J I N G D I N G E N G I N E E R I N G & C O N S T R U C T I O N C O ., L T D . (J D E C ) C O N F I D E N T I A L I N F O R M A T I O N O F A P R O P R I E T A R Y N A T U R E . T H I S I N F O R M A T I O N M U S T N O T B E C O P I E D O R D I S C L O S E D I N W H O L E O R I N P A R T T O O U T S I D E P A R T I E S N O R U S E D F O R O T H E R T H A N T H E P U R P O S E F O R W H I C H P R O V I D E D W I T H O U T P E R M I S S I O N O F M A N A G E M E N T .

3.0 GENERAL

3.1

The following items shall normally not be painted:

Non-ferrous metal surfaces, such as brass, copper, aluminum, galvanized and stainless, except for the distinguished markings.

Concrete structures and foundations, unless otherwise specified. ,

Machined surfaces, valves, screw operators and other greased parts.

C.S. exterior surfaces for inner piping in jacket piping system.

Spring hanger scales and load set points.

Equipment nameplates and code inspection plates.

Internal surfaces of pipe, equipment and tanks, unless otherwise specified.

Certain equipment such as pumps, compressors, motors, packaged equipment, instruments, electrical items, etc. which shall be supplied with manufacturer's standard finish paint shall require no field painting, except for touched-up or specifically required to provide the desired finish color.

Aluminum jacket of insulation, except for the distinguish marking.

3.2

All buried ferrous metal piping shall be wrapped with anti-corrosive tapes and/or barrier and painted special primers.

/ 3.3

Contractor shall furnish all labor, supervision, quality control, inspection, tools, equipment and materials as required for blast cleaning.

3.4

All work shall be done with proper equipment in good condition and by skilled workman, according to recognized good painting practice except modifications made by this specification.

XG10-0000-003

DATE

T H I S D O C U M E N T C O N T A I N S J I N G D I N G E N G I N E E R I N G & C O N S T R U C T I O N C O ., L T D . (J D E C ) C O N F I D E N T I A L I N F O R M A T I O N O F A P R O P R I E T A R Y N A T U R E . T H I S I N F O R M A T I O N M U S T N O T B E C O P I E D O R D I S C L O S E D I N W H O L E O R I N P A R T T O O U T S I D E P A R T I E S N O R U S E D F O R O T H E R T H A N T H E P U R P O S E F O R W H I C H P R O V I D E D W I T H O U T P E R M I S S I O N O F M A N A G E M E N T .

3.5

As the inclement weather conditions occur or ambient air conditions become of the kind detrimental to the cleanliness of the prepared surface and the quality of the

applied coating, all surface preparation operations and coating applications shall cease. After the condition become proper, the surface shall be inspected and approved before coating application can be resumed.

3.6

Each coat of paint shall be in proper state of cure and dry before the application of the succeeding coat. Drying time shall be as recommended by the paint manufacturer.

4.0

SURFACE PREPARATION 4.1

All of the surfaces which need to be painted shall be cleaned and rust removal before painting. The rust removal grades shall be as per table 8.3-1. Blast cleaning shall be used if possible.

8.3-1

4.2

If in the interval between cleaning and painting, the surface is oxidized or becomes otherwise contaminated, those face so impaired shall be re-cleaned prior to painting.

4.3

Flame cleaning shall not be used unless otherwise specified.

4.4

All materials specified herein shall be applied in strict accordance with this specification and manufacturer's printed instructions and product literature which shall be considered part of this specification unless otherwise stated.

4.5

Surface preparation shall be done by one of the following methods in accordance with the latest revision of the GB 8923 Specification.

GB 8923

4.6

All of valves and flanges shall not be blasted but shall be cleaned with solvents and/or hand/power tool brush per GB 8923 St2/St3.

GB 8923 /

4.7 Repainting

The methods to be used for preparing the painted surface of repainting when specified shall be as follows:

XG10-0000-003

DATE

T H I S D O C U M E N T C O N T A I N S J I N G D I N G E N G I N E E R I N G & C O N S T R U C T I O N C O ., L T D . (J D E C ) C O N F I D E N T I A L I N F O R M A T I O N O F A P R O P R I E T A R Y N A T U R E . T H I S I N F O R M A T I O N M U S T N O T B E C O P I E D O R D I S C L O S E D I N W H O L E O R I N P A R T T O O U T S I D E P A R T I E S N O R U S E D F O R O T H E R T H A N T H E P U R P O S E F O R W H I C H P R O V I D E D W I T H O U T P E R M I S S I O N O F M A N A G E M E N T .

4.6.1 All loose or scaly paint, blisters, rust, etc., shall be removed before applying

fresh paint to the previously painted surfaces so that paint applied to be well bonded to these surfaces.

4.6.2 The edges of the old paint shall be scraped back to sound material and avoid

damaging sound paint as much as possible.

5.0

APPLICATION OF PRIMERS AND PAINTS

5.1

Paint and other coating materials shall be applied in accordance with manufacturer's instructions.

5.2

All painting shall be done carefully and the primer or paint shall be applied so as to prevent runs, drips or sagging.

5.3

Primer coats shall be applied as soon as possible within 4 hours after surface

preparation and if there is evidence of rust before priming, then the surface must be re-cleaned.

4

5.4

Paint shall not be applied when ambient temperature is higher than 45 . Or when the outside temperature below 5 and in rain, mist, or if the relative air humidity is over 85%.

35 5 85

5.5

All surfaces shall be perfectly dry before and while being painted.

5.6

All ingredients in any container of paint shall be thoroughly mixed before use and shall be agitated frequently during application to keep the paint in suspension. Dry pigments which are separately packed shall be uniformly blended into paints.

5.7

Thinner shall not be added to the primer or paint, unless required by the

manufacturer's instructions, and then only of the type and quantity recommended. If required, thinner shall be added to the paint during the mixing process.

5.8

When succeeding coats of the same color are specified, acceptable tinting material shall be added to the undercoat to produce enough contrast to insure complete coverage by the succeeding coats.

XG10-0000-003

DATE

T H I S D O C U M E N T C O N T A I N S J I N G D I N G E N G I N E E R I N G & C O N S T R U C T I O N C O ., L T D . (J D E C ) C O N F I D E N T I A L I N F O R M A T I O N O F A P R O P R I E T A R Y N A T U R E . T H I S I N F O R M A T I O N M U S T N O T B E C O P I E D O R D I S C L O S E D I N W H O L E O R I N P A R T T O O U T S I D E P A R T I E S N O R U S E D F O R O T H E R T H A N T H E P U R P O S E F O R W H I C H P R O V I D E D W I T H O U T P E R M I S S I O N O F M A N A G E M E N T .

5.9

Unless particular method of application is specified, primers and finish coats may be applied by brushing, conventional spraying, airless spraying or roller coating.

5.10

Regardless of the method selected, the equipment or tools for application must be suitable, adequate, clean and in good workable condition.

5.11

Spray guns should be used, whenever practicable and in strict accordance with

manufacturer's recommendations, spray painting should not be used outside in windy weather or near surfaces of a contrasting color, unless the latter is properly protected from the spray.

6.0 SAFETY PRECAUTIONS

6.1

The necessary precautions shall be taken to protect personnel and property from hazards due to falls, injuries, toxic fumes, fires, or other harm.

6.2

Scaffolding shall be completely rigid and stable.

6.3

All rags soaked with coating materials shall be stored in closed containers.

6.4

Coating material shall be stored in a place where is free of fire.

6.5

Airless spray equipment shall be grounded to the hose couplings, if the length of hose exceeds 30.5 m.

30.5m

6.6

Solvent drums shall be grounded, and containers receiving solvents shall be electrically bonded to the drums by a suitable cable and clamp. ,

7.0

SPECIAL REQUIREMENT 7.1

Shop Painting

7.1.1 Structure Steel

7.1.2 All structural steel shall be painted in accordance with Section 8.0 with the

exceptions that the contact surface of shop bolted connections shall receive 2

XG10-0000-003

DATE

T H I S D O C U M E N T C O N T A I N S J I N G D I N G E N G I N E E R I N G & C O N S T R U C T I O N C O ., L T D . (J D E C ) C O N F I D E N T I A L I N F O R M A T I O N O F A P R O P R I E T A R Y N A T U R E . T H I S I N F O R M A T I O N M U S T N O T B E C O P I E D O R D I S C L O S E D I N W H O L E O R I N P A R T T O O U T S I D E P A R T I E S N O R U S E D F O R O T H E R T H A N T H E P U R P O S E F O R W H I C H P R O V I D E D W I T H O U T P E R M I S S I O N O F M A N A G E M E N T .

shop coats of primer.

8.0

7.1.3 Equipment

A. Shop fabricated and assembled vessels and exchangers shall not be

painted until completion of all heat treatment, pressure testing and inspection and shall receive full of painting system. Non-insulation equipment shall be painted surface paint which color shall be in accordance with Finish color spec table 1 before conveyance.

XG10-0000-004 2-1 B. Shop fabricated sections of field weldment assembled vessels and

exchangers for domestic contracts shall be left unpainted finish paints while such sections for foreign contracts shall not only receive shop coat of primer and intermediate painting, but also shall be protected with suitable covering to prevent salty contamination..

C. The manufacturer and brand of paint materials selected must be informed

to client by written form before officially painting. It shall not be applied painting until receive authorization from client.

7.1.4 Piping

Piping shall be primed in accordance with Section 8.0. 8.0

7.2

Field Painting

7.2.1 After receipt in the field, the surfaces of all items which have received only shop

painting shall be cleaned and all damage of the shop painting shall be touched-up with the same paint used for painting in the shop. The procedures are as follows:

A. For carbon steel, low alloy steel (1-1/4 to 9 of Cr)

1-1/4 9

Water wash or blast entire surface, spot clean rusty and damaged areas by solvent cleaning followed by hand and/or power tool cleaning

XG10-0000-003

DATE

T H I S D O C U M E N T C O N T A I N S J I N G D I N G E N G I N E E R I N G & C O N S T R U C T I O N C O ., L T D . (J D E C ) C O N F I D E N T I A L I N F O R M A T I O N O F A P R O P R I E T A R Y N A T U R E . T H I S I N F O R M A T I O N M U S T N O T B E C O P I E D O R D I S C L O S E D I N W H O L E O R I N P A R T T O O U T S I D E P A R T I E S N O R U S E D F O R O T H E R T H A N T H E P U R P O S E F O R W H I C H P R O V I D E D W I T H O U T P E R M I S S I O N O F M A N A G E M E N T .

per GB 8923 St3.

GB 8923 St3 /

Field welds shall receive needle gun chipping to remove weld slag and weld latents followed by hand and/or power tool cleaning per GB 8923 St3.

. GB 8923 St3

7.2.2 After receipt in the field, the surfaces of all items which have received final

finish coats of paint in the shop shall be checked and repaired where required. Any damaged areas where metal is not exposed shall be touched-up with an intermediate coat and a final coat. Where bare metal has been exposed, touch-up painting shall consist of entire coating system originally used on the item.

7.2.3 Brackets, clips, nozzles, manways and other attachments which protrude

through the insulation shall be painted with the appropriate uninsulated paint system.

7.2.4 Protection and clean up

A. Paint applicator shall fully protect all equipment, walls, floors, ceilings and

other surfaces from damage and shall provide the necessary drop cloths or other protection required to fully protect all surfaces from paint dropping, paint mist and all other conditions due to execution of his work.

B. Paint applicator shall exercise particular care to keep clean and unpainted

for all valve stems, motor shafts, and other such moving parts in order not to impair their free movement. Any paint deposited on these parts shall be carefully and completely removed.

C. Equipment nameplates, pressure gauges, instrument glasses, machined

surfaces, electrical indicating devices etc., shall be protected as approved or as directed and shall be cleaned so that they are clearly legible.

XG10-0000-003

DATE

T H I S D O C U M E N T C O N T A I N S J I N G D I N G E N G I N E E R I N G & C O N S T R U C T I O N C O ., L T D . (J D E C ) C O N F I D E N T I A L I N F O R M A T I O N O F A P R O P R I E T A R Y N A T U R E . T H I S I N F O R M A T I O N M U S T N O T B E C O P I E D O R D I S C L O S E D I N W H O L E O R I N P A R T T O O U T S I D E P A R T I E S N O R U S E D F O R O T H E R T H A N T H E P U R P O S E F O R W H I C H P R O V I D E D W I T H O U T P E R M I S S I O N O F M A N A G E M E N T .

D. Sufficient care shall be exercised by painter while painting around switches

and controls so as to avoid tripping of circuits. It is imperative that all switches shall remain unmoved and undisturbed by painters.

E. All shipping tags, wires, strings and all other means of temporary or

shipping identification on surfaces have to be painted shall be removed from such surface, but only after checking with and receiving authorization from Client.

7.2.5 Storage of paint and provision for fire fighting equipment

A. A temporary building shall be provided by the paint applicator for the bulk

storage of paint, paint material, and for the mixing of paint, thinner, etc., as those are used from day to day. The building shall be properly ventilated and shall be adequately protected with fire fighting equipment which is satisfactory to the construction superintendent. The floor of this building shall be kept clean at all times and oily rags, waste etc., shall be removed from this building at the end of each working day.

B. Adequate fire fighting equipment, satisfactory to the construction

superintendent shall also provided at all location where painting work is in progress.

8.0

PAINTING MATERIALS AND SELECTION OF PAINT 8.1

General Requirement

The coating materials shall be formulated and certified by manufacturer to meet all the following conditions which may be tested during the application of coating.

8.1.1 The material as received shall not show excessive settling in a freshly opened

full container, and shall mix readily to a smooth, homogeneous state. The material shall show no curdling, livering, caking and shall be free from lumps and skins.

8.1.2 After the pigmented base and the curing agent are mixed, the coating shall be

used up within the specified time as recommended in approved manufacturer's

XG10-0000-003

DATE

T H I S D O C U M E N T C O N T A I N S J I N G D I N G E N G I N E E R I N G & C O N S T R U C T I O N C O ., L T D . (J D E C ) C O N F I D E N T I A L I N F O R M A T I O N O F A P R O P R I E T A R Y N A T U R E . T H I S I N F O R M A T I O N M U S T N O T B E C O P I E D O R D I S C L O S E D I N W H O L E O R I N P A R T T O O U T S I D E P A R T I E S N O R U S E D F O R O T H E R T H A N T H E P U R P O S E F O R W H I C H P R O V I D E D W I T H O U T P E R M I S S I O N O F M A N A G E M E N T .

instructions and certified by Client.

8.1.3 The technical data shall conform to SH/T3022

auticorrosion coating of equipment and piping in petrochemical engineering>.

SH/T3022

8.2

Steel surface painting materials.

8.2.1 The steel surface painting shall be applied to steel structure, equipment and

piping including carbon steel, low alloy steel.

8.2.2 Paint materials refer to table 8.3-1 as below

8.3-1

8.3

Painting application and coating procedure shall refer to Table 8.3-1 as below. 8.3-1

SPECIFICATION FOR PAINTING 12

OF 16 XG10-0000-003 REV. 0

DATE

07/17/’13

Table 8.3-1 Painting application

Paint

code

The max.

operate temp.

Paint type

D.F.T.

(min.)

Coat

No.

Total

D.F.T.

Surface prep. class A

T 120

Epoxy zinc primer.

Epoxy micaceous iron

intermediate paint.

Polyurethane finish.

50

150

50

1

1

1

250 Sa 2.5

Scope

Non-insulation C.S. , low alloy steel equipment and piping, construction steel structure, equipment

attached steel structure stairs, handrail and shell etc , pipe rack.

Repairing method the same as above

B

120 T 400

Inorganic zinc primer

Silicone resin for heat

resist

50

25

1

2

100 Sa 2.5

Scope

Non-insulation C.S. , low alloy steel equipment and piping.

Repairing method seeing B2.

B2

120 T 400

Silicone resin for heat

resist

25 3 75 St 3

Repairing method for B.

C

-40 T 120 Epoxy resin paint 100 2 200 Sa 2.5

Scope

Insulation C.S. , low alloy steel equipment and piping .

Repairing method the same as above.

D

120 T 400

Inorganic zinc primer

Silicone resin for heat

resist

50

25

1

1

75 Sa 2.5

Scope

Insulation C.S. , low alloy steel equipment and piping .

Repairing method seeing D2

D2

120 T 400

Silicone resin for heat

resist

25 3 75 St3

Scope Repairing method for D.

SPECIFICATION FOR PAINTING 13 OF 16

XG10-0000-003

REV.

DATE

07/17/’13

:

NOTE

(1) Steel structure attached to equipment including stairs, handrail and shell etc shall be painted as per code A. And other

accessory structure of equipment shall be painted the same as equipment.

(2) Piping supports which protrude through the insulation shall be painted as per code A. The piping supports welded with pipes

shall be painted the same as the pipes.

E 400 T 600

Silicone aluminium powder primer for heat resist

25 2 50 Sa 2.5

Scope

Non-insulation/insulation C.S. , low alloy steel equipment and piping. Repairing method the same as above. F -

Epoxy resin paint. Polyurethane finish.

130 50

1 1

180

Clean surface by blowing down or proper solvent, after 5-10min.,flush surface with fresh water

Scope

For surface of zinc coat(fire-fighting only) Repairing method seeing F2 F2 - Epoxy zinc primer(zinc coat damaged only). Epoxy micaceous iron intermediate paint. Polyurethane finish. 50 150 50

1 1 1

250

Sa2.5 or St3 per the type of damaged place.

Scope Repairing method for F F3

- Epoxy zinc primer. Epoxy resin paint.

50 50

1 1

100

Sa2.5 or St3 per the type of damaged place.

Scope Repairing for zinc coat (when the zinc coat damaged only). G

T 70 Modified epoxy

500

1

500

Sa2.5

Scope

Exterior bottom surface of C.S. and low alloy steel tank for non-insulation. Repairing method the same as above.

SPECIFICATION FOR PAINTING 14

OF 16 XG10-0000-003 REV. 0

DATE

07/17/’13

8.3-1

m/

m

A

T 120

50

150

50

1

1

1

250 Sa 2.5

B

120 T 400

50

25

1

2

100 Sa 2.5

B2

B2

120 T 400 25 3 75 St 3

B

C

-40 T 120 100 2 200 Sa 2.5

D

120 T 400

50

25

1

1

75 Sa 2.5

D2

D2

120 T 400 25 3 75 St3

D

SPECIFICATION FOR PAINTING 15

OF 16 XG10-0000-003 REV. 0

DATE

07/17/’13 : 1 A

2 A

E

400 T 600 25 2 50 Sa 2.5

/

F

-

130

50

1

1

180

5 10

F2

F2

-

50

150

50

1

1

1

250

Sa2.5

St3)

F

F3

-

50

50

1

1

100

Sa2.5

St3)

( )

H

T 70 500 1 500 Sa2.5

XG10-0000-003

T H I S D O C U M E N T C O N T A I N S J I N G D I N G E N G I N E E R I N G & C O N S T R U C T I O N C O ., L T D . (J D E C ) C O N F I D E N T I A L I N F O R M A T I O N O F A P R O P R I E T A R Y N A T U R E . T H I S I N F O R M A T I O N M U S T N O T B E C O P I E D O R D I S C L O S E D I N W H O L E O R I N P A R T T O O U T S I D E P A R T I E S N O R U S E D F O R O T H E R T H A N T H E P U R P O S E F O R W H I C H P R O V I D E D W I T H O U T P E R M I S S I O N O F M A N A G E M E N T .

9.0 INSPECTION

9.1

All work and materials supplied under this specification shall be subject to inspection by the Client or his representative. All parts of the work or materials that are found unsuitable under this specification shall be corrected and replaced.

9.2

All blast cleaned surfaces shall be inspected for proper cleaning and anchor pattern using equivalent visual profile comparators, prior to application of the primer. No coat of paint shall be applied until the prepared surface has been inspected and approved by Client.

9.3

Wet film thickness shall be checked during the application of each coat to assure the specified dry film thickness will be met.

9.4

The dry film thickness of each coat shall be checked by means of a microdot magnetic thickness gauge or approved equal. When film thickness measurements are in conflict, the readings taken by the Client representative shall prevail.

9.5

Coating material will be rejected if any indication of defective or contaminated material is found.

9.6

The completed paint job shall pass visual inspection by client. It is the responsibility of the coating applicator to correct any work found not to be in accordance with requirements specified herein.

10.0 GUARANTEE

The contractor shall guarantee that the whole painting system under contract is in conformity with this specification and shall be free from any defects in material and workmanship for a period of two (2) years from the day of acceptance. The contractor shall make all necessary or desirable repairs for defective painting work within the guarantee period.

2