1) PRE-CHECKING - Oil-gas free/ masking check/ dimension check/ abrasive material check/ blasting equipment check
2) BLASTING - Air pressure check/ Weather condition
3) SURFACE PREPARATION - Surface grade/ cleaning/ anchor pattern
4) SURFACE READY
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NEAREST EQUIVALENT OF THE MAIN SURFACE PREPARATION SPEC :
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i) Abrasive blast cleaning :
a) Extremely thorough white metal blast - SSPC (SP5)/ ISO 8501-1 (Sa 3)/ NACE (No 1)
b) Very thorough near white metal blast - SSPC (SP10)/ ISO 8501-1 (Sa 2.5)/ NACE (No 2)
c) Thorough. Commercial blast - SSPC (SP6)/ ISO 8501-1 (Sa 2)/ NACE (No 3)
d) Light brush-off blast - SSPC (SP57)/ ISO 8501-1 (Sa 1)/ NACE (No 4)
ii) Tool cleaning :
a) Extremely thorough. Power tool cleaning - SSPC (SP11)
b) Very thorough. Power tool cleaning - SSPC (SP3)/ ISO 8501-1 (St 3)
c) Thorough. Hand tool cleaning - SSPC (SP2)/ ISO 8501-1 (St 2)
iii) Solvent cleaning :
a) Solvent cleaning - SSPC (SP1)
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TYPE OF ABRASIVE BLASTING :
Air (dry)/ wet/ vacum/ centrifugal
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ABRASIVE TYPE :
Metallic/ natural oxides/ Cellulose/ Sodium bicarbonate/ Synthetic/ slag/ dry ice pallets/ sponge
