CONTRACTOR
CLIENT
REINSTATEMENT OF 24” EXPORT
PIPELINE THARJIATH CPF – WHCC
SIPET/SC/24/20/433 - SPECS/20/F/TJ002
SC-24-20-433-TJ-002-CIV-MS-2001
REV. A
Date: 02.05.2021
OWNER
Page 1 of 6
SPOC
(SUDD PETROLEUM OPERATING COMPANY)
&
SPECS
(SIPET ENGINEERING AND CONSULTANT SERVICES)
DOCUMENT TITLE: PAINTING PROCEDURE
A
02.05.2021
Issued For Approval
Sunil
Ashok
Sudhakar
Rev.
Date
Description
Prep. By
Reviewed
by
Approved
by.
Client
Approval
CONTRACTOR
REINSTATEMENT OF 24” EXPORT
PIPELINE THARJIATH CPF – WHCC
SIPET/SC/24/20/433 - SPECS/20/F/TJ002
SC-24-20-433-TJ-002-CIV-MS-2001
REV. A
CLIENT
Date: 02.05.2021
OWNER
Page 2 of 6
Contents
1
PURPOSE .........................................................................................................................3
2
SCOPE .............................................................................................................................3
3
REFERENCE DOCUMENTS ...............................................................................................3
4
PROCEDURE ....................................................................................................................3
4.1
SURFACE PREPARATION. ................................................................................................................3
4.2
EXTERNAL PROTECTIVE PAINTING .....................................................................................................4
4.2.1
Surfaces to be painted:...........................................................................................................4
4.2.2
Surfaces not to be painted: ....................................................................................................4
4.2.3
Application procedure: ..........................................................................................................5
4.2.4
Painting Material .....................................................................................................................6
4.2.5
Wet Film Thickness (WFT) .....................................................................................................6
4.2.6
Dry Film Thickness (DFT) .........................................................................................................6
4.2.7
Visual Inspection .................................................................................................................6
5
DOCUMENTATION ...........................................................................................................6
CONTRACTOR
SC-24-20-433-TJ-002-CIV-MS-2001
1
CLIENT
REINSTATEMENT OF 24” EXPORT
PIPELINE THARJIATH CPF – WHCC
SIPET/SC/24/20/433 - SPECS/20/F/TJ002
REV. A
Date: 02.05.2021
OWNER
Page 3 of 6
PURPOSE
The purpose of this procedure is to describe the method of Carrying out
Surface preparation & painting of the Structural and piping items.
2
SCOPE
This procedure is applicable to structural and piping items fabricated
erected by the company as per the requirements
of Client specifications
Project.
3
and
for
REFERENCE DOCUMENTS
The Steel Structures Painting Council Manual:
- SSPC 1 Solvent
- SSPC 2 Hand Tool Cleaning
- SSPC 3 Power Tool Cleaning
4
PROCEDURE
4.1 SURFACE PREPARATION.

Sand paper and/or buffing wheel to be used for surface preparation in locations
where repair of faded painting is required.

Dirt, Oil, Grease any other contaminants that will effect the bonding of
the epoxy coating should be removed prior to any application.

The surface
requirements.

If sand used as a blasting medium it should be clean and free from any foreign
materials. Only river sand is approved to be used.

Client representative
primer application.

Supervisor should check the profile of the cleaned surface with calibrated
profile gauge.

Cleanliness to be checked after surface preparation.
should be cleaned
witness
to near white
is required
metal finish as per the
at this point and clearance
No surface preparation should be carried out under the following conditions.
for
CONTRACTOR
CLIENT
REINSTATEMENT OF 24” EXPORT
PIPELINE THARJIATH CPF – WHCC
SIPET/SC/24/20/433 - SPECS/20/F/TJ002
SC-24-20-433-TJ-002-CIV-MS-2001
REV. A
Date: 02.05.2021
OWNER
Page 4 of 6
a. Temperature under 10°C
b. Wet or damp atmosphere or during rain
c. Noticeable wind
d. Atmosphere contaminated by dirt, dust, oil,
pollutant
e. No coating shall be performed during rain
f.
product or any
other
The steel surface shall be at least 50F (30°C) above the dew point
The compressed air supply used for surface preparation must be of
sufficient pressureand volume to prepare the surface to the degree
specified and should be free of oil and water
Under no circumstances
work in excess of 7bar
an air compressor
should not be allowed to
4.2 EXTERNAL PROTECTIVE PAINTING
SURFACES TO BE PAINTED:
4.2.1
All surfaces subjected to weathering, rusting or corrosion by exposure to the
elements should be painted. All un insulated steel surfaces should be primed
and painted.
Carbon steel surfaces which are insulated or fireproofed as a minimum should
be coated with based paints.
For damages on the electroplated pipes/ surfaces use zinc rich paints.
SURFACES NOT TO BE PAINTED:
4.2.2
The following are NOT to be painted and must be protected from painting.

Porcelain

Gauge glass

Meter faces

Valve stem and threads

Working surfaces of equipments

Name plates
CONTRACTOR
REINSTATEMENT OF 24” EXPORT
PIPELINE THARJIATH CPF – WHCC
SIPET/SC/24/20/433 - SPECS/20/F/TJ002
SC-24-20-433-TJ-002-CIV-MS-2001
REV. A
CLIENT
Date: 02.05.2021
OWNER
Page 5 of 6

Aluminum, plastic and stainless steel

Insulation or fire proofing

Galvanized steel

Factory finished control panels

Factory finished instrument cases and meters

Factory finished equipment, including compressors, pumps, control valves

Factory finished buildings
etc
Masking or compounds u s e d to protect the non painted parts must be removed
after completion of the painting operation.
APPLICATION PROCEDURE:
4.2.3

The normal method of application should be spraying where the access not
available to do the spray painting there manual application method can be
adopted

The spray gun should
substrate

Each pass of the gun should be overlapped by 50% of the previous pass.

If the discontinuity between the spraying operation the balance qty of the paint in
the spray gun blown back to the pot.

Any material not used after expired time of the pot life should be destroyed and
pot should be cleaned thoroughly.

No spraying should be done with in the 15cm of unprepared area.

Prime coating should be applied soon after the surface preparation and before
flash rusting occurs.

Finish coat should be applied as soon as possible after the drying of the primer
coat and as per the manufacturer recommendations.

A thickness gauge should be used to determine that a complete even coat has
been applied for each primer and finish coat.

For outdoor painting, if the wind or dust climate exists immediately stop the

Painting operation.
be right angle and 20cm to 25cm distance from the
CONTRACTOR
REINSTATEMENT OF 24” EXPORT
PIPELINE THARJIATH CPF – WHCC
SIPET/SC/24/20/433 - SPECS/20/F/TJ002
SC-24-20-433-TJ-002-CIV-MS-2001

4.2.4
REV. A
CLIENT
Date: 02.05.2021
OWNER
Page 6 of 6
Ensure that completely cured painted components only be removed from the
boot/stands and with proper protection against damages to painted located
surfaces, under the good supervision.
PAINTING MATERIAL
All painting materials should be verified and certified with the batch test
certificates prior to use.
Storage conditions of the material as per the manufacturer recommendations.
Stacking of the material should be done such a away that no mixing should
occur.
4.2.5
WET FILM THICKNESS (WFT)
The WFT should be measured at least on three locations on the painted area
for each coat to ensure conformance to calculated WFT. The WFT should be
measured with calibrated gauge and recorded in the Daily Surface preparation
and painting report
4.2.6
DRY FILM THICKNESS (DFT)
The DFT should be checked after the film is sufficient dried and to meet the
specified DFT.
The DFT measurement
should be measured after each coat at randomly
chosen locations. The density of the measuring points should be normally be
once in every 4 sq. mtrs for large areas and once in 1 sq. mtr for small
areas
The DFT measurement
should be done with calibrated gauge and total
required value of DFT after complete final painting is 250microne (Include primer,
intermediate and final)
4.2.7
VISUAL INSPECTION
After each coat the coating area should be inspected visually for visual defects
like runs, sags, holidays, wrinkles, patchiness and brush or roller marks
5
DOCUMENTATION
Reporting shall be done in prescribed format.