RFI_Answers_Duct Cleaning_9-11-2024.pdf

RFI #

Date

Recv'd Date Sent to

Customer/Technical Expert RFI Response

Date Answered

1 6-Sep-24 9-Sep-24 What is the number of HVAC Units associated with the ducts?

Based on the current infrastructure, there is only 1 large HVAC unit associated with the ducts.

10-Sep-24

2 6-Sep-24 9-Sep-24 What is the average duct height (how high are the ceilings)? 9 Feet 10-Sep-24

3 6-Sep-24 9-Sep-24 Is there a past awarded amount for this project? If so, what is the amount? No, no prior contracts awarded for this requirement. 10-Sep-24

4 7-Sep-24 9-Sep-24 107 vents floor one & 90 vents on floor two, correct? Yes 10-Sep-24

5 7-Sep-24 9-Sep-24 How tall is the ceiling on each floor? 9 Feet 10-Sep-24

6 7-Sep-24 9-Sep-24 Is there a preferred system for cleaning? There is no preferred system for cleaning. 10-Sep-24

7 7-Sep-24 9-Sep-24 Is there an incumbent? No current contractor working this requirement. 10-Sep-24

9 10-Sep-24 10-Sep-24 Length of the trunk. Unknown, please see attached diagram 10-Sep-24

10 10-Sep-24 10-Sep-24 What is the vent style Please see attached pictures of vents 10-Sep-24

11 10-Sep-24 10-Sep-24 How much of the supply and returned is insulated in the inside?

Uknown due to limited expertise with technical specification of the inside of the supply & return. However, please see attached

10-Sep-24

12 10-Sep-24 10-Sep-24 Does the successful bidder have to be certified by the National Air Duct Cleaner Association?

The bidder is not required to be certified by the National Air

Duct Cleaner Association. Bidders are to reference the Statement of Work regarding certifications.

10-Sep-24

13 10-Sep-24 10-Sep-24 There was microbial growth present on the air handler. Is there any verified microbial growth within the the duct system?

There is no verified microbial growth growth within the duct system.

10-Sep-24

14 10-Sep-24 10-Sep-24 Can you use an equivalent anti-microbial treatment that is the same or similar to Fiberlock 8500?

Anti-microbial treatment will follow all guidelines set by installation Civil Engineering Squadron. At this time is unknown if like antimicrobial treatment similar to Fiberlock 8500 can be used.

10-Sep-24

15 10-Sep-24 10-Sep-24 Is past performance considered on duct cleaning and remediation of mold for the government?

In accordance with FAR 52.212-2 in the Request for Quote, "The Government will organize the quotes based on the lowest price and will evaluate the technical approach of the lowest priced offeror first. If the lowest priced offeror is technically acceptable, that offer represents the best value for the Government and the evaluation process ceases at this point. Award shall be made to that offeror without further consideration to any other offers."

Additionally, the apparent awardee must be deemed responsible by the Contracting Officer, IAW FAR 9.104-1.

10-Sep-24

16 10-Sep-24 10-Sep-24 Is an infection control risk access required for this work because it's an active office area?

All contractors should ensure the proper risk assessment id performed considering the performance of this contract is in a active office area. The government is willing to work the contractors to potentially vacate to ensure safety of the occupants.

10-Sep-24

17 10-Sep-24 10-Sep-24 Are the (Variable air volume)VAV's fan powered or passive.

Due to limited expertise, we are unsure if the VAV's are fan powered or passive. Request bidder perform all necessary reseach to onclude photo of the unit to determine fan powered vs passive VAV's.

10-Sep-24

18 10-Sep-24 10-Sep-24 Do the VAV coils need to be washed to eliminate mold.

We prefer all cleaning of all parts and componenet related the

HVA system.

10-Sep-24

19 10-Sep-24 10-Sep-24 What is the projected time frame ? We prefer to have this completed as soon as possible. 10-Sep-24

20 10-Sep-24 10-Sep-24 Does the vent count include return diffusers ?

Due to limited expertise, this is unknown. Please see blueprints to determine location and quantity of return diffusers.

10-Sep-24

21 10-Sep-24 10-Sep-24 Does the VAV need cleaned ? VAV has dampters to control airflow. Yes, the VAV needs to be cleaned as well. 10-Sep-24 22 10-Sep-24 10-Sep-24 Is this a prevailing wage? Wage Determination document is attached. 10-Sep-24 23 10-Sep-24 10-Sep-24 When were the fire dampers last serviced? Fire damper servicing unknown. 10-Sep-24 24 10-Sep-24 10-Sep-24 Can the job be performed after hours, after 5pm and the weekends. Yes, the job can be performed after 5 pm and weekends. 10-Sep-24

25 10-Sep-24 11-Sep-24 Will the technicians need to be OSHA 10 certified?

DoD Components must comply with all OSHA regualtions & certifications.

11-Sep-24

26 10-Sep-24 11-Sep-24 To ensure that the NADCA standards are met and followed, will you be requiring NADCA certification?

Yes, NADCA cert is required 11-Sep-24

Requests For Information (RFIs) - Duct Cleaning Building 1515

Sheet1