OQ- Above Ground Coatings Flashcards
(20 cards)
What is the purpose of above ground coating?
To protect the facility from atmospheric corrosion by using: primer and paint and H-35 tape
What is mill scale?
The flaky surface of worked steel that will prevent paint from adhering to
What type of primer and paint do we use?
Primer and paint
What is the proper storage for above ground coating
Store in manufacturers
Containers to retain product and safety information
Labels and SDS sheet
Protect from contaminated, heat, freezing and moisture
How do you dispose of paint ?
Dispose of waste properly
What do you do to eliminate ignition sources when painting on an encloser?
Check for possible ignition sources and eliminate as necessary
Use explosion proof equipment
All electrical connections are to be made outside the enclosed
What do you do to prevent accumulation when painting in an encloser?
Leave doors/windows open during the entire paint application
When working in a confined space adequate ventilation must be provided
What is the purpose of surface preparation?
The purpose of preparing the facility is to ensure the paint adheres to the surface
Give the facility a uniform look
To protect swg facilities from atmospheric corrosion
What do we remove from the facility when cleaning it ?
Excess pipe thread sealant
Loose rust
Mill scale
Dirt
Oil
Leak detector
Deteriorated paint
Other contaminants
What can you use when doing surface preparation?
120 Grit Sandpaper
Wire Brush
Knock off high spots and dull shine
What are the steps of surface preparation?
Clean facility
Clean wet rag
Clean dry rag
Facility must be dry before paint application
Is it required to paint the entire MSA?
No
At minimum what do you do to a MSA
Touch up damaged paint
Paint areas not pre-painted
What do you do when encountering an existing MSA
Paint bare metal
Rust
what is the application of primer and paint ?
Apply primer when necessary
Ensure complete coverage
Apply topcoat
Ensure primer is what?
Dry ( tack free)
When applying the top coat what do you ensure?
Ensure complete coverage
Finish coat should be relatively uniform
Be relatively free from no runs, sags or other defects
Prevent over spray
What are the requirements when meter marking?
Mark meters after painting
Use the last 3 digits of the meter ID
What do you not paint?
Gauges
Index glass
Brass pressure tags
Instrument cases
Meter id tags
What above ground tape do you use if you don’t have paint and primer?
H-35 G Ultraviolet paint
