Questions and Answers - Amendment 04.pdf

AMENDMENT/ADDENDUM 04

REPAIR OVERHEAD ELECTRIC POWER LINES

AT 180TH FIGHTER WING

Q1: Is there a place on site for trench spoils?

A1: Excess spoils can be stored on the base at a location approved by the COR.

Q2: Is there a place on site for concrete and asphalt that has been removed?

A2: Demolished concrete and asphalt shall be removed from the installation and disposed of properly.

Q3: Are materials used on this project subject to state of Ohio sales tax?

A3: No.

Q4: If state of Ohio sales tax does not apply, will we be issued a tax exempt form?

A4: Yes once you request it from the contracting officer.

Q5: Per the demo drawings, we are removing (2) transformer banks however; my photos from the site visit, show more. How many transformer banks are we removing?

A5: There are a total of 9 pole mounted transformers to be removed. Field verify all existing quantities and conditions.

Q6: My pictures from the site visit show spare conduits in some locations. Is it the intent to maintain all spare and work them into the man holes as well?

A6: Yes, the spare conduits shall be worked into the new manholes.

Q7: The specifications as for a high potential test on existing cabling. Is this testing limited to existing cabling that we re-work and re-terminate or is it the intent to test all cabling on the entire circuit?

A7: The testing of the existing cables has been deleted per amendment 2.

Q8: What will be the protocol for cables that do not pass the testing? Assuming they will need replaced as soon as possible.

A8: See answer above for existing cables. New cables shall be replaced as required.

Q9: Are the communication conduits to be concrete encased as well?

A9: Communications conduits below pavements shall be concrete encased with the top of concrete 24” below the surface of the pavement. The encasement shall extend a minimum of 3’ beyond the edge of the paved surface. The contractor may use directional boring of conduits below pavements. If directional boring is used, conduits shall be a minimum of 48” below the surface of the pavement and extend a minimum of 3’ beyond the edge of pavement at that depth and the material shall comply with UFC 3-550-01 to match the electrical conduits.

Q10: For the concrete encasement, does the red dye need mixed in the truck or can it be sprinkled on top of the duct bank?

A10: The red dye can be applied to the top of the concrete after placing.

Q11: The communication drawings call for “Hand holes”. Are these to be 6” thick concrete, too?

A11: Yes, 6” minimum based on location and any special loading requirements if traffic rated.

Q12: On the east side drawing, there is a note calling for #2. What size cable should be used on the west side?

A12: All primary cables on the east and west sides shall be #2.