Questions and Answers - Amendment 3.pdf

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Overhead Power Lines
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Power1Sol
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AMENDMENT/ADDENDUM 03

REPAIR OVERHEAD ELECTRIC POWER LINES

AT 180TH FIGHTER WING

Q1: Is the intent for the primary cable to be copper? The UFC calls for aluminum with copper as an alternate that can be approved by the base CE.

A1: Yes. The existing cable on base is copper.

Q2: Please verify all comm handholes are to be 4X4X4 manholes.

A2: Yes, per the statement of work.

Q3: Please verify there will be bump posts on the 3 sectionalizers on the west side of buildings 149, 120 and 119.

A3: The two sectionalizers to the west of buildings 119 and 120 do not require bollards unless they are located within 5’ of the pavement. The sectionalizer to the west of building 149 will require bollards if located within 5’ of the pavement or is in the paved area.

Q4: Is the partial discharge test in paragraph 5.4.4 required? If it is determined the partial discharge test is required, can this be completed online in lieu of offline?

A4: The partial discharge test is NOT required. Delete testing of existing cables. Only new cables shall be hipot tested.

Q5: Would a VLF with a Tan-Delta test be acceptable?

A5: Yes.

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