B08_140P5122R0007_Attch_0011_Updated_Questions_and_Answers_MALU_Exterior_Lighting_Improvements_0002.pdf

Amendment 0002; RFQ # 140P5122R0007 Attachment 0011

Provide Site Improvements and Exterior Lighting Improvements Martin Luther King Jr National

Historic Site Solicitation # 140P5122R0007

Questions and Answers

Question 1. Is There A Specific Procedure That Needs To Be Followed And/Or Required For Documenting & Storage Of ln Ground Plaques?

Answer: Yes, area should be protected and cover to prevent any damage to the plaques. No intrusive methods (screws, nailing, etc.).

Question 2. Is Joint Spacing Of New Replacement Concrete To Be Identical To Any Torn Out Concrete? If Not, What Spacing Will Be Required?

Answer: Yes, as much as possible.

Question 3. Will There Be A Required Submittal For Brick Paving? If Not, Will There Be A Manufacturer Specific Paver Provided?

Answer: Yes, the park would like to replace the pavers as close as possible. Park will request submittals to approve the best compatible material.

Question 4. Would you please provide any and all As-Builts of the Parking and Visitor Center lighting system that was constructed?

Answer: a. Yes.

Question 5. Should the bid bond amount be the actual amount of the bid or the limit of the project?

Answer: Bid bond not required.

Question 6. Does the contractor have discretion to determine what materials, i.e.

concrete/brick pavers, pole bases, conduit, or conductors to remove and replace or must ALL be removed and replaced?

Answer: Contractor shall follow the specification on construction documents, any deviations should be consulted with the CO and the park.

Question 7. In detail E2.1 is the conduit located under the brick pavers or concrete pavers?

Answer: Under brick pavers.

Question 8. Would you please provide the names, contact details, and area of responsibility of each person administering or assuring the quality of work performance on the project?

Answer: Yes, at contract award.

Question 9. Would you please provide a calendar of the national holidays the Park Service recognizes, and dates of special events scheduled to be held at the Park during the period of performance?

Answer: All the federal holidays applied:

Memorial Day – Monday, May 30, 2022 Juneteenth (observed) – Friday, June 18, 2022 Juneteenth – Saturday, June 19, 2022 Independence Day – Monday, July 4, 2022 Labor Day – Monday, September 5, 2022 Columbus Day – Monday, October 10, 2022 Veterans Day – Friday, November 11, 2022 Thanksgiving Day – Thursday, November 24, 2022 Christmas Day – Sunday, December 25, 2022 Christmas Day (observed) – Monday, December 26, 2022 New Year’s Eve (observed) – Friday, December 31, 2022

Question 10. What is the pedestal heights for the new power pedestals? Part number does not specify, and drawings call for height to be determined by contracting officer (Detail 4/E1.1)

Answer: The standard minimum height is 6” plus the size of the box on top of that. Any other size must specified.

Question 11. Is Panel LC just replacing an existing panel like for like in the current location?

Answer: Existing Panel ‘LC’ is being replaced with a new 225A Frame panel with 42-poles, and will be relabeled as ‘LC’. Contractor to confirm where Panel ‘LC’s main feeder comes from, and the size of that wire. Update for the record set.

Question 12. Are the lighting control panels to be nema4x to match the existing panel near booth?

Answer: Yes, for the Lighting Control Panel ‘LCP1’ located adjacent to the Booth, enclosure shall be NEMA 4X per detail 1/E1.0. Lighting Control Panel ‘LCP2’ located indoors only needs to be

NEMA 1.

Question 13. Are we to provide any additional spider boxes or just one per location shown on plans?

Answer: Only one Spiderbox is required, it will be stored on property and located at either location for special events by NPS.

Question 14. Are we to reuse the existing light pole bases and install new poles and heads at each location or are we to include new bases at each location?

Answer: No, existing pole bases shall be replace. Also, we do not know the condition of the underground conduit so there may be issues that only a new concrete base can fix.

Question 15. Are we to install new 3/4" x 10' grd rods at each pole location or to assume these are existing?

Answer: For new poles yes, for existing poles during a visual inspection it was not obvious that they had ground rods but used the internal anchors. This is acceptable.

Question 16. For the new wiring installed, are the conductors to be xhhw insulation or thhn insulation?

Answer: For interior wiring use THWN/THHN, for underground THWN/XHHW per NPS Electrical Guidelines.