NATIONAL ALUMINIUM COMPANY LIMITED - Rites

SP - Surface preparation quality
2P1 - Two (2) coats of primer paint type P1
1I1 - One ( 1 ) coat of intermediate paint type
I1 2F1 - Two ( 2 ) coats of finish paint type F1
DFT - Dry film thickness
Type of paint products like P1, P2, P3, I1, I2, F1, F2 and F3 have been specified under sl.
nos.03, 04 and 05 of this specification.
7.3 The painting scheme to be followed for various equipment/ structures is briefly given below
for guidance to the Tenderer.
Sl. No. Description
Painting scheme
At shop At site
SP - St 3
DFT Total
1. Steel structure 2P1+1I1 2F1 100
2.
Mechanical
equipment(temp.
not over 80 deg C)
Both static and
rotary equipment
for indoor or
outdoor duty
Equipment with
3. hot surfaces SP- Sa 2 1/2
(temp. 200 deg C
and above)
P3 2F3 100
8.0 Colour code
For painting certain standard colour as listed below, shall be used by the bidder.
8.1 For electrical equipment
DESCRIPTION
11 kV, AC machine
3.3 kV, AC machine
400 V, AC machine
460 V, DC machine
250 V, DC machine
230 V, AC equipment Light orange
110 V, AC equipment Canary yellow
All indoor control and switchgear panels Grey
Technical Specification:Sec-9,Miscellaneous
SP - Sa 2 1/2 (or St 3)
2P1+1I1
or 2P2+1I2
2F1 & 2F2
COLOUR
Light grey
Post office red
Brilliant green
Azure blue
Oriental blue
205
(260)
SHADE AS
IS:5
631
538
221
104
174
557
309
697
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