B7 Combined Questions and Answers 20250919.docx

Combined Questions & Answers Building 912 Hallway & Office Spaces Current As Of: September 19, 2025

1. Are electrical drawings available?

0. Yes, however, for access please email philip.rott@us.af.mil & jennifer.dewispelaere@us.af.mil

1. The “Dimming Control System Upgrade” section references replacing 160 dimmable fixtures (0-10V) but does not indicate the fixture type. Are these 160 fixtures included in the above “Lighting” section, or are they separate? We would need more detail on the fixture type to quote a solution.

1. Keep the current fixture, retrofit the existing light fixtures (type C) 0-10v to include dimmable switches (0-10V)

1. Will a light schedule be provided?

2. Same as drawing attached.

1. How many 2’ bulbs and how many 4’ bulbs will be needed?

3. Contractor to verify fixture count before bidding.

1. Can you provide the model number of all existing equipment?

4. Uploaded to SAM.gov named “Existing Lighting Fixtures.pdf” along with this Questions & Answers document.

1. Do fixtures need to be vapor tight?

5. Fixture type is not changing, only the retrofit.

1. Is there a specific brand we should be quoting?

6. No, there is no specific brand that needs to be quoted.

1. Painting is referenced in the Statement of Work. Why would painting be required?

7. Painting is required on all new conduit installed.

1. Are there staging areas for materials?

8. Yes, there is a small area at the end of a hallway by a supply closet that can be used for temporary material storage.

1. Do you intend to keep scrap materials?

9. No, the contractor is responsible for removal of all materials after project completion.

1. Is the requirement to retrofit to existing?

10. Use existing fixture and retrofit Type C LED bulbs and Type C LED driver module to replace existing fluorescent bulbs and fluorescent ballast.

1. How many dimmers /style and loads.

11. Contractor to verify all requirements before bidding.

1. What control Hardware?

12. Consistent with what is currently installed.

1. What integration is required?

13. System should function as currently designed.

1. Section 1.2.1 of the statement of work details the quantities and types of lamps/fixtures. The drawings provided and the product data sheets for the existing fixtures include light fixtures which would not be included in the lighting material and equipment detailed in section 1.2.1. For example, the spec sheet for fixture D is an 8" round recessed dual CFL lamp fixture, which is not type T8. Is the scope of work limited to what is described in section 1.2.1, or is the requirement to upgrade all fluorescent lighting inside building 912 to LED?

14. Round recessed dual CFL lamp fixture it’s a single twist in bulb in a janitor closet, does not need to be done.

1. Is there an integrated lighting control system for the whole building or sections of the building, or are all controls stand alone for the room or space that the controls serve?

15. All controls stand alone for the room or space that the controls serve.

1. The drawing provided indicate various types of emergency fixtures and the existing lighting product data sheets provided include fixtures with emergency battery backup ballast. The statement of work does not specifically require any emergency drivers or battery backup fixtures, but it does call for 12 exit emergency combo fixtures. Are the 12 exit emergency combo fixtures intended to remove the need to go back with battery backup fixtures, lamps and drivers? Or, is the requirement to provide a battery backup driver at each fixture being replaced that currently has emergency battery backup?

16. The intent is to remove the (11) battery backup in the light fixtures and move the function to dedicated exit signs emergency light combo units, and install (1) additional.

1. Which lights require the vapor tight bulbs?

17. No fixtures are being changed. The project scope only calls for lighting fixtures to be retrofitted.

1. What is the voltage of the mobile bay?

18. Contractor to verify.

1. How can we distinguish what is considered a “low bay” and what is a “high bay”?

19. All lights to be installed below the roof line of the building.

1. The statement of work lists 474 lights required. Is that inclusive of the 52 vapor tight light requirements or is that in addition?

20. Contractor to verify all fixture counts. ( see drawing provided)

1. How many dimmers are needed? Do you have an existing count?

21. Contractor to verify.

1. Are any permits required for this contract?

22. Local township does not have authority over a federal installation.

1. For the new exit sign, where do you pull the power from?

23. Contractor to purpose solution.

1. How do we know when we can work in each room?

24. Building occupants will notify awardee of what rooms are available and when.

1. Where is the load center labeled SL1 in the drawing? Some lighting in the drawing that is in the scope of the project say they’re powered by SL1, however, that load center was not found during the site visit. Only SL2 was found in the storage room along with several other load centers.

1. Is this a prevailing wage contract?

26. Yes. At present, Davis-Bacon Act Wage Determination number NY20250019 Modification 7 dated 22 August 2025 is applicable. The most current Wage Determination will be incorporated into the resulting contract award.

1. Are the 4-Types show in the "Existing+Lighting+Fixtures" .pdf the only styles being replaced/retrofitted? I see a few other Types show on the drawing (Types A & H)

27. Fixture AD is the dimmable version of fixture A, fixture ADE is the emergency battery version. With the ballast and battery removed the empty housing would be considered identical. Type H (two lamp) has same housing as type C (three lamp).

1. Can you advise on how many of the LED Retrofitted Fixtures will require EM Batteries. I count 29 fixtures on the drawing, but I am not sure if these are the type being retrofitted or replaced.

28. . Combo exit sign / emergency lights are intended to replace the function of battery backup linear light fixtures. Effectively zero linear fixtures should have a battery backup. Only the dimming or non dimming function needs to be maintained.

1. Are the existing Type C fixtures being retrofitted or replaced? Only asking as the existing is a 3-Lamp and I will have to provide a different style driver to power 3-Lamps instead of 2. Also can you confirm Qty, I see (2) on the drawing.

29. Retrofitted, only exit sign fixtures are being replaced. Contractor to verify all dimensions and fixture counts.