OQ-0994 Viscotaq Pipe Wrap Flashcards

(11 cards)

1
Q

Roughen the adjacent coating approximately blank inches

A

4 inches

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2
Q

What can you use to roughen the coating?

A

Sandpaper (120 grit)
Hand or power wire brush

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3
Q

Surface shall be kept clean and free of grease with what?

A

Isopropyl alcohol (min 90%) or aervoe hand y wipe

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4
Q

What do you use to ensure the surface is free of moisture and dry to the touch?

A

Dry cloth

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5
Q

What else can you use if the surface is still not dry after using a cloth?

A

Use a torch or heat gun to dry the surface

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6
Q

What do you do if existing costing is thicker than 70 mils?

A

Apply one straight full circumference wrap to the bare steel next to the existing coating.

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7
Q

Begin and end on existing coating with a blank inch overlap

A

4 inch

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8
Q

Continue to wrap at a slight angle with minimum of blank overlap

A

1/2 inch

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9
Q

When you finish the wrapping the base coating onto the existing coating, no less than blank inches, and with a straight circumference wrap 

A

4 inches

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10
Q

When doing method 2 start by applying the coating a minimum of blank over the existing coating on either side

A

4”

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11
Q

When doing method 2 wrap the pipe in a circumference around the pipe ending with a minimum of blank overlap 

A

1”

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