Amendment 0002 - Questions and Answers - VA Louisville AHU-10_RFI Response_2021 1119 VA01.pdf

Restore AHU-10 Systems (OR’s 5-7)

Project Number 603-20-202 Requests for Information (RFI’s)

RESTORE AHU-10 SYSTEMS (OR’s 5-7)

ROBLEY REX VETERANS AFFAIRS MEDICAL CENTER (VAMC)

LOUISVILLE, KY

PROJECT NUMBER: 603-20-202

REQUEST FOR INFORMATION (RFI’s)

November 30, 2021

QUESTIONS AND ANSWERS (RFIs)

1. RFI 1 Question: On page 5 of the Solicitation document, under BID ITEMS, Bid Item No. 1, the scope of work mentions “replacement of duct insulation”. Is the intent to remove and replace all of the existing duct insulation associated with AHU-10?

a. RFI 1 Answer: No, existing duct insulation should only be replaced when it has been damaged during the scope of this project and where it has been specifically called out to be replaced the plans and specs.

2. RFI 2 Question: In order to price the fan array for the AHU-10 we will need the interior dimensions of the fan module. Can you please provide this?

a. RFI 2 Answer: Existing AHU-10 is a size 025 Carrier Aero 39M model. Catalog external dimensions are 86” W x 62” H, meaning the catalog internal dimensions are 82” W x 58” H given 2” wall construction. Field verify before ordering.

3. RFI 3 Question: Will there be an amendment to provide an electronic file that better illustrates the conditions of the OR(s) and above the ceilings as the site visit walk thru was limited.

a. RFI 3 Answer: All bidders are required to review LiDAR scans of existing conditions at the link below:

i. https://berdingsurveying.websharecloud.com/?v=om&t=p:default,c:overviewmap, h:f,m:t&om=om1&om1=x:148.931,y:156.331,zoom:4&p=p:21139-ffe--vamc-lexington-surge-f2f3d3b0,share:0aabaa6b-e0aa-4ff3-a1e2-c3d38bba7374

4. RFI 4 Question: What is the construction of the existing supply air ducts on this project connected to AHU-10? Such as are the ducts galvanized metal with slip and drive connections or welded stainless steel.

https://berdingsurveying.websharecloud.com/?v=om&t=p:default,c:overviewmap,h:f,m:t&om=om1&om1=x:148.931,y:156.331,zoom:4&p=p:21139-ffe--vamc-lexington-surge-f2f3d3b0,share:0aabaa6b-e0aa-4ff3-a1e2-c3d38bba7374 https://berdingsurveying.websharecloud.com/?v=om&t=p:default,c:overviewmap,h:f,m:t&om=om1&om1=x:148.931,y:156.331,zoom:4&p=p:21139-ffe--vamc-lexington-surge-f2f3d3b0,share:0aabaa6b-e0aa-4ff3-a1e2-c3d38bba7374 https://berdingsurveying.websharecloud.com/?v=om&t=p:default,c:overviewmap,h:f,m:t&om=om1&om1=x:148.931,y:156.331,zoom:4&p=p:21139-ffe--vamc-lexington-surge-f2f3d3b0,share:0aabaa6b-e0aa-4ff3-a1e2-c3d38bba7374

a. RFI 4 Answer: Existing supply ductwork is galvanized steel with slip and drive connections.

5. RFI 5 Question: What is the construction of the existing exhaust air ducts on this project

a. RFI 5 Answer: Existing exhaust ductwork is galvanized steel with slip and drive

6. RFI 6 Question: How many days’ notice will be necessary to shut down AHU-10 on the weekend for the Aeroseal work.

a. RFI 6 Answer: 30 days.

7. RFI 7 Question: What is the construction of the existing supply air ducts on this project

a. RFI 7 Answer: Existing supply ductwork is galvanized steel with slip and drive

8. RFI 8 Question: What is the construction of the existing exhaust air ducts on this project

a. RFI 8 Answer: Existing exhaust ductwork is galvanized steel with slip and drive

9. RFI 9 Question: How many days’ notice will be necessary to shut down AHU-10 on the weekend for the Aeroseal work?

a. RFI 9 Answer: 30 days

10. RFI 10 Question: Are all ducts connected to AHU-10 to be cleaned?

a. RFI 10 Answer: Refer to drawing note 1 on sheet MD104 for ducts to be cleaned.

11. RFI 11 Question: Where can the negative air exhaust off of the negative air machines be routed?

a. RFI 11 Answer: Refer to drawing note 7 on sheet GI002 for temporary exhaust vent location.

12. RFI 12 Question: What days of the week will the fan replacement in AHU-10 need to take place?

a. RFI 12 Answer: Seven continuous days when AHU-10 may be shut down for renovations and duct sealing. Days to be determined at beginning of contract. In addition, AHU-10 may be shut down after hours and weekends for renovations and duct sealing.

13. RFI 13 Question: How many days will be allowed for the fan replacement in AHU-10?

a. RFI 13 Answer: Seven continuous days when AHU-10 may be shut down for renovations and duct sealing. Days to be determined at beginning of contract. In addition, AHU-10 may be shut down after hours and weekends for renovations and duct sealing.

b.

14. RFI 14 Question: Can the site superintendent also serve as the QC and Site Safety?

a. RFI 14 Answer: Yes

15. RFI 15 Question: Please confirm that bids can be emailed into Mr. Pritchard except a hard copy of the bid bond.

a. RFI 15 Answer: Please send copies via email and a hard copy to 1639 Medical Center Parkway, Suite 400, Murfreesboro, TN. 37129.

16. RFI 16 Question: Page 7 states, in part, that we are to submit: “fully completed Contractor Experience Modification Rate (EMR) Certification documents.”

Page 9 states, in part: “Using the attached EMR information/data form” We are unable to locate the certificate/data form. Can you please provide the required certificate/data form?

a. RFI 16 Answer: The form has been sent with this amendment.

17. RFI 17 Question: Will you please provide a copy of the Lidar Scan?

a. RFI 17 Answer: See answer to RFI 3.

18. RFI 18 Question: What is the personnel requirement for the Project Superintendent? Can that the Superintendent can also act as the QCM provided they have the qualifications and experience to do so?

a. RFI 18 Answer: The Project Superintendent may act as the QCM provided they have the qualifications and experience and designated the QCM in accordance with specifications.

19. RFI 19 Question: Provide location of GC lay down area on VA campus.

a. RFI 19 Answer: TBD on the Roble Rex VAMC campus. Tentatively the back row of Lot 6.

20. RFI 20 Question: Confirm that VA will provide temporary power available for GC use at GC trailer with understanding that GC will be responsible for connection / disconnection.

a. RFI 20 Answer: Temporary power is available.

21. RFI 21 Question: What is the floor-to-floor height for each ORs within project scope? What is the ceiling height in the OR floors?

a. RFI 21 Answer: Floor-to-floor height at each OR is approximately 12’-7 1/4”. Ceiling height is 9’-1” in the ORs.

22. RFI 22 Question: Can the VA provide contact for the current DDC Controls contractor?

a. RFI 22 Answer: Metasys Building Automation System by Johnson Controls.

23. RFI 23 Question: What access will be given to the contractor to the ORs on the fourth floor? Will the elevator to storage be available for contractor`s use during construction?

a. RFI 23 Answer: ORs 6 and 7 shall be taken out of service one at a time for renovation.

Work shall be done after hours when Surgery is finished working in ORs 6 and 7. The contractor shall use the "Non-Patient" Service Elevator for moving materials and equipment. All carts must be clean, and materials covered per the infection control specifications of the general conditions.

24. RFI 24 Question: Can materials be brought in and out during normal hours? Will contractor be granted a storage area in the fourth floor on somewhere else in the building?

a. RFI 24 Answer: Materials shall primarily be moved on the 4th floor outside normal hours and when all surgery work is completed in OR 6 and 7. Materials shall primarily be moved on the 5th floor outside normal working hours and when work is complete on 5 West. Requests to move materials during normal hours will be address on a case by case basis. There is no contractor storage on the 4th floor or anywhere else in Building

1. Construction materials shall be moved through the hospital per the infection control specifications.

25. RFI 25 Question: Please, publish the sign in sheet from the site walk thru.

a. RFI 25 Answer: Sign in Sheet is included with this amendment.

26. RFI 26 Question: Is test and balancing a part of the scope in the project?

a. RFI 26 Answer: Yes, refer to spec 23 05 93.

27. RFI 27 Question: Specification 23 08 00 mentions VA will appoint a Commissioning Agent and contractor will only be responsible for co-ordination. Verify this statement

a. RFI 27 Answer: Statement is accurate.

28. RFI 28 Question: Is commissioning of electrical system required in the project?

a. RFI 28 Answer: Yes, refer to spec 26 08 00

29. RFI 29 Question: Please list the preferred Manufacturers of HVAC and electrical units required to install in the project. Clarify if it is open for open competition.

a. RFI 29 Answer: There are no preferred manufactures. Materials and equipment must comply with federal requirements for Buy American Act and Green purchasing.

30. RFI 30 Question: The scope of abatement is vague. Please, provide details with pictures from survey.

a. RFI 30 Answer: Due to limited access during design we have not identified specific ACM locations on the project. ACM may be encountered during the work and will be addressed at the time. See Addendum Glovebag Asbestos Abatement.

31. RFI 31 Question: Please, provide qualities of material containing ACM that is to be abated.

Listed on the specification system 02 82 13.13 Pages 1 & 2.

a. RFI 31 Answer: Due to limited access during design we have not identified all specific ACM locations on the project. ACM may be encountered during the work and will be addressed at the time. See Addendum Glovebag Asbestos Abatement.

b. Approximately 100 LF pipe insulation identified above the ceiling in OR7.

32. RFI 32 Question: Verify if the New wireless access point (‘AP’) On Drawing EL104 is owner-furnished? If not, please provide manufacturer/model information.

a. RFI 32 Answer: The new wireless access point ('AP') on Drawing EL104 is not needed Delete the new wireless access point ('AP') on Drawing EL104 from the scope of work.

33. RFI 33 Question: Please, Provide the existing manufacturer/model for the MCC-5A. Provide nameplate, picture of existing bucket to know and accurately provide a new disconnect switch and breaker to the MCC.

a. RFI 33 Answer: General Electric.

34. RFI 34 Question: Verify the work in the ORs will be done during normal hours or off hours.

a. RFI 34 Answer: ORs 6 and 7 shall be taken out of service one at a time for renovation.

Work shall be done after hours when Surgery is finished working in ORs 6 and 7. Work may be done on the ORs 6 or 7 during normal working ours when AHU10 is shut down for 7 continuous days for renovations and duct sealing.

35. RFI 35 Question: There is work listed in rooms besides the ORs (6 & 7), what is the level of infection control required in these rooms?

a. RFI 35 Answer: Level IV

36. RFI 36 Question: Can work be done in other room besides ORs during normal working hour?

a. RFI 36 Answer: Work in Surgery shall be done after normal working hours except during the 7 consecutive day period when AHU 10 is shut down for renovations and sealing work in Surgery may be done during normal working hours.

37. RFI 37 Question: When there is construction going on in either of the OR, will the other OR be functional?

a. RFI 37 Answer: Yes.

38. RFI 38 Question: What is the VA`s intent of moving appliances and furniture form the OR before the work starts?

a. RFI 38 Answer: VA will move equipment and appliances prior to work starting in the OR.

Contractor to provide 14 days' notice prior to work start.

39. RFI 39 Question: What access will be granted to the contractor for moving debris and construction materials?

a. RFI 39 Answer: The contractor shall use the "Non-Patient" Service Elevator for moving materials and equipment. All carts must be clean, and materials covered per the infection control specifications of the general conditions.

40. RFI 40 Question: On page 5 of the Solicitation document, under BID ITEMS, Bid Item No. 1, the scope of work mentions “replacement of duct insulation”. Is the intent to remove and replace all of the existing duct insulation associated with AHU-10?

a. RFI 1 Answer: See answer to RFI 1.

41. RFI 41 Question: In order to price the fan array for the AHU-10 we will need the interior dimensions of the fan module. Can you please provide this?

a. RFI 41 Answer: See answer to RFI 2.

42. RFI 42 Question: Is it the intention of the contract to work weekends only, meaning construct ICRA on Saturday and disassemble/remove on Sunday?

a. RFI 42 Answer: The VA requires full day for terminal cleaning. Weekend only work is not practical. VA is allowing 7 consecutive days for AHU 10 renovations and duct sealing.

ORs 6 and 7 shall be taken out of service one at a time for renovations. Construction work shall be done after hours after all surgery work is completed in ORs 6 and 7.

43. RFI 43 Question: Will there be an amendment to provide an electronic file that better illustrates the conditions of the OR(s) and above the ceilings as the site visit walk thru was limited.

a. RFI 43 Answer: (Same answer as RFI 3) All bidders are required to review LiDAR scans of existing conditions at the link below:

i. https://berdingsurveying.websharecloud.com/?v=om&t=p:default,c:overviewmap, h:f,m:t&om=om1&om1=x:148.931,y:156.331,zoom:4&p=p:21139-ffe--vamc-lexington-surge-f2f3d3b0,share:0aabaa6b-e0aa-4ff3-a1e2-c3d38bba7374

44. RFI 44 Question: Will the sign-in sheet for the site visit be published via amendment?

a. RFI 44 Answer: (Same answer as RFI 25) - Sign in Sheet is included with this amendment.

GENERAL

The following changes, additions, or deletions shall be made to the following documents as indicated, and all other conditions shall remain the same:

1. SPECIFICATIONS

a. Add to specifications, section 02 82 13.13 GLOVEBAG ASBESTOS ABATEMENT

2. DRAWINGS

a. GENERAL:

i. NA

b. ARCHITECTURAL

i. Add to DRAWINGS NOTES: OR 6 – Demolish ceiling mounted curtain track in center of the OR6 ceiling.

c. MECHANICAL

i. N/A

d. ELECTRICAL:

i. N/A https://berdingsurveying.websharecloud.com/?v=om&t=p:default,c:overviewmap,h:f,m:t&om=om1&om1=x:148.931,y:156.331,zoom:4&p=p:21139-ffe--vamc-lexington-surge-f2f3d3b0,share:0aabaa6b-e0aa-4ff3-a1e2-c3d38bba7374 https://berdingsurveying.websharecloud.com/?v=om&t=p:default,c:overviewmap,h:f,m:t&om=om1&om1=x:148.931,y:156.331,zoom:4&p=p:21139-ffe--vamc-lexington-surge-f2f3d3b0,share:0aabaa6b-e0aa-4ff3-a1e2-c3d38bba7374 https://berdingsurveying.websharecloud.com/?v=om&t=p:default,c:overviewmap,h:f,m:t&om=om1&om1=x:148.931,y:156.331,zoom:4&p=p:21139-ffe--vamc-lexington-surge-f2f3d3b0,share:0aabaa6b-e0aa-4ff3-a1e2-c3d38bba7374

45. RFI 45 Question: Will the sign-in sheet for the site visit be published via amendment?

Answer - Yes – see sign in sheet attachment.

46. RFI 46 Question: Are subcontractors to be vaccinated?

Only for those projects over the SAT (250k). Any questions pertaining to COVID please see the following website attached.

47. RFI 47 Question: Can proposals be submitted electronically?

Yes, send proposals to Robert.pritchard2@va.gov.

END QUESTIONS AND ANSWERS

mailto:Robert.pritchard2@va.gov