Pipeline cleaning questionnaire

Please fill this questionnaire online. Fields marked with an asterisk are required.

1. General data

1.1 Customer name

1.2 Unit name

1.3 Process the pipeline is involved in

1.4 Contact person

1.5 E-mail

1.6 Phone

1.7 Estimated shutdown date

2. Cleaning history

2.1 The time period between the shutdowns

2.2 Last shutdown date

2.3 Cleaning method used before

2.4 Cleaning time

2.5 Assessment of the last cleaning done

3. Pipeline data

3.1 Diameter OD and wall thickness, mm

3.2 Length of the pipeline, m

3.3 Pipeline material (metallurgy)

3.4 Installation

4. Deposits

4.1 Kind of deposits (tar, hydrocarbon, water, scale, etc.)

4.2 Thickness, mm

4.3 Deposit is hard (a nail cannot make a scratch)

5. Cleaning equipment — facilities to hook up

5.1 Potable water source without suspended particles (fire hydrant or water supply system) is available

5.2 Drainage pit for the used water is available

6. Extra info

6.1 Lowest height level, m

6.2 Highest level, m

6.3 Flammability, explosion hazard, toxic hazard of the deposit and its interaction with water

6.4 Any extra info about the equipment to be cleaned

6.5 Attach pipeline drawing