Questions_and_Answers_from_the_Industry.pdf

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Cathodic Protection Inspection Services Federal contract opportunity
Solicitation number
SPE601-13-Q-0307
Issued by
Defense Logistics Agency Energy

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Questions and Answers from the Industry

Question 1: Are the cathodic protection (CP) systems for the Nitrogen pipeline (the pipeline) one single system or are there multiple systems for the pipeline?

Answer: There are four separate pipeline sections, each isolated from the other:

gN2 plant to SLC-6, gN2 plant to Kelp / Surf riser, Kelp / Surf riser to SLC-4, Kelp / Surf riser to SLC-3.

Question 2: How many test stations are there installed on the system?

Answer: gN2 plant to SLC-6 - 6 test stations, gN2 plant to Kelp / Surf riser - 14 test stations, Kelp / Surf rise to SLC-4 - 7 test stations, Kelp / Surf riser to SLC-3 - 19 test stations.

Question 3: How old is the system?

Answer: There are three groups of CP Anodes with varying ages. The oldest is the SLC-6 leg which is 26 years old, next is the gN2 plant to Kelp / Surf riser and SLC-4 at 23 years and the SLC-3 leg is the youngest at 16 years.

Question 4: What are the dimensions of the pipeline, length and diameter?

Answer: The pipline is 39,921 feet, approximately 75% is 4.5" O.D. and 25% 3.0" O.D.

Question 5: Do you have any as-built or other drawings of the cathodic protection system?

Answer: We have everything related to the pipeline.

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