HVAC QA RFI RESPONSES.docx

SITE VISIT INFORMATION

An additional site visit will be held on Thursday, 22 July 2021 at 0900 AM EST. Attendees shall email SSgt Austin Carter (austin.carter.21@us.af.mil) and MSgt Justin Baskerville (justin.baskerville@us.af.mil) in advance to coordinate base access. Attendees will meet at the Robins AFB Visitors Center (located on Houston Lake BLVD and HWY 247) NLT 0845 AM EST. Please arrive with your Driver’s License, Vehicle Insurance/Registration, and Social Security Card.

This will be the final opportunity to view the facilities prior to the bid submission deadlines.

INITIAL SITE VISIT ATTENDEES – 14 JULY 2021 AT 1000 AM EST

SSGT AUSTIN CARTER – CONTRACTING

SMSGT GLEN PORTER – CONTRACTING

CAPT JONATHON MCKNIGHT – CIVIL ENGINEERING

MSGT JUSTIN BASKERVILLE – CIVIL ENGINEERING

REID BLACKWELL – CIVIL ENGINEERING

QUINTEN JONES – CIVIL ENGINEERING

DAN H. – T&D MECHANICAL

JOHN G. – SERVPRO

DONALD K. – AIR QUALITY SYSTEM

CARY A. – MEDICLEAN

QUESTIONS AND ANSWERS

1. Is Sterile Aire acceptable as an equivalent alternative UVGI product?

A: The Contractor shall submit justification for product(s) selection and placement throughout HVAC distribution system and show how the above considerations are met/addressed to provide maximum value to the government as part of a proposal.

2. Can Purafil be added as an option to add to reduce gases and not be included in the base bid since there is the concern of it being cost prohibitive?

A: Goal 2: Air purification to reduce gases, odors and VOCs; this is desirable up to the point it becomes cost prohibitive, i.e. greater than 2-3 times cost of coil-only products.

3. Can a schedule of air handlers be provide to list CFM of all the air hander units?

A: Mechanical Drawings and Air Handler CFM attached SAM.GOV.

4. Can dimensions of the coils on all the Air handler Units be provided?

A: Mechanical Drawings attached within SAM.GOV.

5. Each Solicitation states that there will be liquidated damages if the project goes past the period of performance, but it does not state any amount. What amount of liquidated damages per day?

A: LD’s will not be utilized for the subject solicitations.

6. The Solicitation posted to sam.gov for Bldg 2051 is a Draft copy. Can you provide us with a non-draft copy?

A: Error during upload. Watermark has been removed

7. The drawings for Buildings 2039 & 2051 are not to the same scale as the drawings for Building 2045. B2045 has the correct 36" x 24" scale that is typical of drawings. B2039 appears to be 11" x 17" and B2051 appears to be 8.5" x 11". Can you provide a copy of B2039 and B2051 drawings that are 36" x 24"?

A: Drawings for B2039 & B2051 have been reprinted and are attached within SAM.GOV.

8. Because these projects do not require a bid bond, can we bid these electronically through email? Or must they be delivered to Robins AFB in sealed envelopes?

1. Bids can be submitted via paper or electronic means.

9. Does toilet exhaust cleaning need to be included if it is separate from the rest of the HVAC system?

A: No.

10. Some slot diffusers are not in drop-down ceilings like the others. Do you want us to cut the ceiling and/or install an access door to access these slot diffusers for cleaning? Or do you want the best effort to clean from the nearest access point in another ceiling? Do you want the "cassette" part of the slot diffusers replaced?

A: Install an access door. Do not replace the cassette part of the slot diffusers.

11. Will all rooms be accessible when duct cleaning is scheduled to be performed? Will there be anyone to open locked doors to reach areas that need to be cleaned? Or do we need to include prices for more trips to account for inaccessible/locked areas?

A: Entry Authorization Lists will be required ahead of time to facilitate entry into secure areas. Facility managers and/or government construction managers will unlock doors to the areas that need to be cleaned.

12. If one contractor receives multiple duct cleaning awards, will a separate Superintendent be required for each building? Or can one Superintendent oversee all 3 buildings?

A: One Superintendent can oversee multiple buildings.

13. In building 2039 there is what looks like a standalone system in the main mechanical room that is labeled SA-1 on the bottom of the unit that is hanging in the air and HP1 on the big VFD controlling it. It appears this system is no longer in service. Do we need to clean any of this system since it appears disconnected and no longer in service?

A: No, you do not need to clean any of the system that is not in service.

14. In building 2039 Liebert unit room there is a visible duct door above the unit in the middle of the room. Are those the type duct doors you are wanting installed? Or is there another type of duct door that you would prefer?

A: Duct doors installed should be consistent with Industry Standards. Main concern is tight seal to mitigate possibly of air loss from the system.

15. There are some areas that appear to feed office/cubicle areas that people are working in. Will they be occupied during the time of work? If so, should these areas be worked on after hours/weekends to prevent disturbing the individuals working in those areas?

A: Goal is to prevent operations disruptions.

16. What is the estimated number of occupants for each building at peak capacity/occupancy?

A: B2039 – 250 B2051 – 350 B2045 - 175

17. Do the systems have UV-C coils sanitation?

A: No they do not. Current system in B2045 is strictly Airstream Disinfection.

18. Is UV coil sanitation desired?

A: No

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

12.

13.

14.

15.

16.

17.

19. We are a little unclear whether the bid is to install UVC at the coil in the Air Handlers or to install air purifiers such as an air scrubber. Please clarify

A: UVC air purifiers such as an air scrubber.

20. Specs say A licensed Professional Engineer is required to supervise and review all designs requiring structural, mechanical, civil, or electrical calculations prior to submission to the KO. All calculations and final drawings must be signed and stamped by the Professional Engineer. Is this applicable?

A: Yes, if you are submitting design drawings in relation to this work.

21. Is AT level I Awareness Training required and what are the costs?

A: Yes AT Level I Awareness Training is required of all personnel that work on Federal Installations. There are no costs associated with the training it is computer-based training that takes approx 30 minutes to complete. Instructions for site access will be provided to whomever wins the award of the contracts.

22. Specs say customer is responsible for providing portable toilets? Is that the case?

A: In this case majority work will completed indoors and workers will be able to utilize facility restrooms.

23. Please provide square footage for each building.

A: B2039: 66,000 sq ft

24. Are access required in hard surfaces and ceilings (e.g. drywall ceilings). I don’t believe that it is but wanted to confirm and the only access that is required is in the sheet metal

A: Refer to question 10. Where access is necessary to adequately complete the cleaning, install access doors.

25. Building B2039 has Computer Room Units (CRUs). We would like to know if those units need to be cleaned. If they do need to be cleaned it would be very helpful to know what type of units they are.

A: No, do not include them.

26. Does it require the company to be NADCA Certified (National Air Duct Cleaners Association)?

A: Yes, the NADCA certification is required.

** ADDITIONAL QUESTIONS MAY BE SUBMITTED VIA EMAIL AS AN RFI. ANSWERS WILL BE PROVIDED AS QUICKLY AS POSSIBLE. **