WORK METHODOLOGY / PROCEDURE INTERNAL
PAINTING;
Surface
Preparation
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For working at height, fixed and movable scaffolding
would be erected as per area requirements.
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Scaffolding when erected shall be inspected with Safety
officer prior to usage.
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Hardware materials which are already fixed and not to be
painted shall be removed.
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Removal if not possible, it shall be covered/protected
appropriately before surface preparation and painting will commence.
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Al items which are not part of structure will be removed
and repaired before painting.
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Clean and prepare plaster surfaces to be painted.
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All major surface cracks of gypsum surface shall be
filled up with acrylic putty before start of putty or painting activities.
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Efflorescence, chalk, dust, dirt, grease and oils shall
be removed by using of sanding or scraping.
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The surface of the area to be painted would be prepared
by removing loose particles, blemishes and deleterious materials by way of
sanding or scraping.
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All clearance will be taken from both civil & MEP
team before initiating the activities. So that, any other activities should not
be executed after painting.
Application
of Putty / Primer
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Proper scraping with sand paper no. 60 shall be done on
gypsum surface.
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One coat of primer shall be applied before 24hrs of application
of putty by using of roller brush.
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Primer shall not be applied on gypsum surface in case of
using Acrylic putty 2X or equivalent.
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Putty shall be applied at least after 6 to 8hrs of
application of primer in case of primer is required or as per manufacturer
guideline.
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Approved Water based Ready to use acrylic putty shall be
applied uniformly by using of flat bladed plate or large putty knives with one in
each hand.
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Applied putty shall be allowed to dry at least for 16 to
24 hrs. or as per technical data sheet.
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After drying of first coat of putty, surface shall be
smoothened by using sand paper (sand paper no shall be as per paint manufacture’s
guideline).
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Then Second coat putty shall be applied after smoothening
of first coat of putty like the first coat.
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Once the second coat is fully applied and has dried
thoroughly, the entire wall shall be smoothening with fine sand paper no
220/320 before painting or as per manufacturer guideline.
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After rubbing with
sand paper, surface putty dust shall be wiped off with a cloth or sponge.
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Cleaning of MEP items, Door and other items shall be
done.
Application of Paint
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The surface to be painted shall be free from any loose
paint, dust and oil & grease.
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Any visible surface cracks shall be repaired prior to
start of painting.
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Approved paint types shall be used. It may be OBD or acrylic
or semi acrylic type.
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Then two coats of final paint shall be applied as per the
approved RAL colour code.
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Paint shall be applied by using of roller brush.
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Applied first coat paint shall be allowed to dry at least
for 3 to 4 hrs or as per technical data sheet.
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After drying of first coat of paint Second coat paint
shall be applied.
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For removal of any surface stain or wipe cleaning shall
be done minimum after 15 days of paint application.
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Second / Final coat paint shall be applied after completion
of all activities.
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Cleaning of MEP items, Door and other items shall be
done.
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