S06- 2nd Questions_Final.docx

2nd Questions

1. Page 24 of the subject solicitation indicates that Bid Guarantee should be mailed to Cheyenne VA Medical Center. Is it acceptable to provide an electronic copy as an attachment to our bid instead? For this solicitation it is acceptable to send to either address. You can include the digital copy with your offer, however we are required to have the original for our files. It needs to be postmarked prior to the due date. Best is to have two or three days prior.

2. Do bid bonds still go to the same address posted in the original solicitation, but in ATTN to you? All bid bonds need to be to my attention, but can go to either address for this solicitation.

3. Can you please verify the mailing address of the bid bond for Solicitation 36C25921R0074? One part of the solicitation says to mail it to the address in block #8 which is in Colorado and in two other sections it says to mail it to an address in Wyoming. I would just like to know which address so that I can make sure it gets to you on time. I am stationed in the Colorado office. Please refer to above answers. Either location will reach me.

a. Department of Veterans Affairs

NCO 19

6162 S Willow Dr, Ste 300 Greenwood Village, CO 80111 Attn: Christina Beeler-Blackburn

4. Will you provide the model and serial numbers and some additional photos of the site visit?

There were 2 site visits to get that information.

5. Are the VAV boxes being replaced? No

6. Will temporary cooling be needed? No

7. Who is the POC for BMS? Don’t understand the question

8. What is the steam pressure in the building? Specifically, the steam pressure delivered to the preheat coil. Unknown

9. If the AHU is replaced in the winter, are we expected to provide temporary heat? No

10. What is the AHU cfm? Data plate

11. What is the AHU external static pressure? Data plate,

12. Design conditions: EAT DB/WB (80) summer and winter, LAT DB/WB(55) in winter operation, LAT DB/WB(55) in summer operation, chilled water EAT/LAT, glycol type and percentage if applicable.

13. Is the VA willing to have the exterior wall demoed and re-built to allow for the AHU to be rigged into the mechanical room? It is possible to take out the lover section but not the bricks, they are special order to match.

Please provide the specs of the existing Trane AHU that is being replaced. There were 2 site visits to get that information.

14. Can you please clarify the specific address for bid bonds to be mailed to? See answer to question #3.

15. The set of drawings posted are on new HVAC ductwork and we need the existing ductwork drawings to determine the ductwork cleaning SOW. Are there more drawings that you have that you could post? Only cleaning required is the new duct work installed and any dust that may have been caused. We just had the ducts cleaned.

16. Do bid bonds still go to the same address posted in the original solicitation, but in ATTN to you? See answer to question #3.

17. What is the design or model of exhaust fans you would like to have installed in the job. Scope of work mentions (Contractor shall provide all labor, material to install new VA approve AHU units and exhaust fans for building 9.) The AHU model was specified but nothing about exhaust fans. It is up to the contractor s long as they work with the current system.

18. Extent on the scope of work for the duct work cleaning. I.E. how extensive is what you are requesting. All ductwork on floor two that is required to be cleaned or is it just the extent of what we will be working on with the AHU replacement. see question 15

19. For the thermostat to be installed for existing VAV is there a model specific one you require us to use. Off drawing MD102 plan notes #6. No VAV thermostats are needed and are existing, only the outdated AHU will be replaced. Any controls reprogramming and commissioning of the new AHU is needed to ensure the HVAC system is fully operational once the install is complete.

20. Will site actually be shut down or will there still be employees on second floor working at Tele center. Site visit #1 indicated the second floor would be vacant. Site visit #2 indicated the second floor would be occupied. What is the extent of occupancy? It will depend on how COVID continues to be an issue for the building. Contractors should be prepared for staff to be in the building with staffing at least 50%.(up to 100 on that floor).

21. The solicitation mentions that the contractor must “provide all labor and material to install new VA approve AHU units and exhaust fans for building 9” (36C25921R0074 Full Solicitation pg. (6). How many exhaust fans do we need and what type of exhaust fans are requested? Also, what are the proper placements to install the new exhaust fans? Where does it say exhaust fans in the SOW, Back to the CO, please provide the most recent version of the SOW so an accurate review can occur.

22. The site visit did not allow the contractor to view the ductwork or get an accurate measurement of the amount of ductwork needed to be cleaned. What is the amount of ductwork, in linear feet, that needs to be cleaned? See question 15

23. What is the steam pressure in the building? Specifically, the steam pressure delivered to the preheat coil. We are unable to get this information.

24. If the AHU is replaced in the winter, are we expected to provide temporary heat? No

25. What is the AHU CFM? We are unable to get this information.

26. What is the AHU external static pressure? We are unable to get this information.

27. Design conditions: EAT DB/WB summer and winter, LAT DB/WB in winter operation, LAT DB/WB in summer operation, chilled water EAT/LAT, glycol type and percentage if applicable.

Does not use glycol type

28. Are PPQ's required? Per solicitation, Past Performance is significantly more important than price, we need either CPARS reports for past government projects or PPQs.

29. Could you please provide the specs of the existing Trane AHU that is being replaced?

30. Please provide quantities of any/all HAZMAT abatement required. The building had an abatement project and we do not expect any abatement on this project.

31. What is the address required to send the Bid Bond to? See answer to question #3.

32. Item 5.2: Please verify if exhaust fans are part of the scope and provide information if they are included. No, exhaust fans are not included.

33. Item 5.3: Pump down of refrigerant would not normally be necessary for AHU replacement. Please clarify where refrigerant systems are included in this project. Any refrigerant or glycol solution lost during the install of the new AHU shall be returned to the system.

34. Item 5.4: Do you have a list of approved disposal sites? We do not, it is up to the contractor .

35. Item 5.7: Please confirm the only applicable Controls scope is for the actual AHU operation and excludes other items beyond this Unit. The AHU unit shall be properly programed to ensure operability to all functioning HVAC components and controls applicable to the replacement.

36. Item 5.8: The scope calls for cleaning the complete system all the way to the diffusers. Please verify that the intent is to only clean the immediate duct off the AHU located in the Mechanical Room. Only clean the immediate duct off the AHU located in the Mechanical Room, transition duct work.

37. If the intent is to do the complete system, does the cleaning company need to be Certified? See #15

38. If the intent is to do the complete system, will the cleaning take place during normal working hours? See #15

39. If the intent is to do the complete system, please verify if this unit is supplying air to both the North and South sides of Floor 2 or only the North End. See markup for clarification of question. See #15

40. Item 5.9: The current AHU is not on a housekeeping pad. Please advise if it is acceptable to install new unit to match existing installation. Also, is there any seismic requirements in the project area? Install to match existing, the on site COR is not familiar with any seismic requirements.

41. Item 5.10: Is testing and balancing required for the complete system all the way to the diffusers or just the AHU itself? Please confirm if the TAB shall be NEBB/AABC Certified. Yes, all the way to the diffusers and certified.

42. Is there any presence of Asbestos in this system? How is abatement handled on this contact, if found during construction? See # 30 Can you take pictures of all the ducting and the furnace? There were 2 site visits to get that information.

43.

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