Attachment 18-B611 HVAC Repair-Contractor Questions-Answers-4 Mar 26.pdf

1. Section L of the solicitation, L-3.3., states "Provide a minimum of two (2) projects (to include title of each project, complete contract number, and task order number) valued projects." Is there a value missing between "projects" and "valued projects" before and after the parentheses?

a. The sentence should read “value of projects.” The intent is for offeror to provide the dollar value of each project provided.

2. Section L of the solicitation, L-3.3, states "Provide a minimum of two (2) projects (to include title of each project, complete contract number, and task order number)." Is the title, contract, and task order all that is requested. Should a detailed description of each project be provided?

a. A detailed description is not required, however the Satisfactory Past Performance information pertaining to each project is required.

3. Section L of the solicitation, L-3.3, states "Provide a minimum of two (2) projects (to include title of each project, complete contract number, and task order number)." Is the title, contract, and task order all that is requested. Should copies of evaluations be provided? If a CPAR isn't available, would the government accept a PPQ?

a. Yes, provide copies of evaluations for each project. A PPQ is acceptable in absence of CPAR.

4. Section L of the solicitation, L-3.5, states "Provide a minimum of three(3) years' experience and a minimum of two (2) projects (to include title of each project, complete contract number, and task order number) valued at $100K or higher for HVAC projects." Is the title, contract, and task order all that is requested or should a detailed description of each project be provided?

a. A detailed description of the project is not required however, resume information identifying a minimum of 3 years experiences for superintendent/project manager offeror intends to use of this project is required.

5. Is Triple Hat (Construction Superintendent, Quality Control Manager, and Site Safety and Health Officer positions) acceptable during onsite construction?

a. No a triple hat is not acceptable. Refer to SOW.

6. We are unable to open the three excel files provided (Attachments 02, 09, and 11). We receive a Microsoft sign in request followed by "Message: AADSTS500212: The user's administrator has set an outbound access policy that does not allow access to the resource tenant." Can the government please review the permissions for these files?

a. Documents have been changed to PDF versions.

7. Can the government please confirm that a hardcopy bid is required for submission?

a. For this requirement, hardcopy bids are required.

8. The SOW calls to replace damaged ceiling tiles in the break room area as part of that

AHU replacement however the majority of the tiles are in poor shape. Can you specify a quantity or % allowance for replacement?

a. There is no mention of the break room in the SOW.

9. Given the scope calls for the equipment to be equivalent characteristics, is a design really necessary? The Gov could save money by this being a construction only project.

a. Design is not required.

10. Can you help us understand why a design is required for this project when essentially it is a replacement project to match existing characteristics?

11. It is noted in the SOW that any damaged ceiling grid or tile shall be replaced. Is this referring to items damaged during construction? Or shall this include all damaged existing tiles shall be updated? As there were a lot of damaged tiles noted.

a. Items damaged during construction.

12. Do you want surge protectors included with air handlers?

a. Yes

13. Do you want water alarms installed on new equipment and water overflow prevention switches?

14. Do you want water alarms installed on new equipment and water overflow prevention switches?

15. Is there a cleaning service company that your AFB already uses for the final cleaning of the construction project that you would like to be used?

a. No particular cleaning company is preferred.

16. What control company for the facilities DDC or BMS systems does the base currently use and what is their contact information?

a. Harris Controls. 803-331-0263

17. Period of Performance: Confirm POP after NTP and any interim milestones.

a. Per the revised SOW dated 3 Mar 26, the Period of Performance is 90 calendar days. There not any interim milestones other than the Construction and Project close out per the (3 Mar 26) revised Statement of Work.

18. Work Hours / Facility Occupancy: Confirm allowable work hours and if the facility will be occupied during project work.

a. Per the Statement of Work, Standard government work hours in this facility are

0700-1700, 5 days a week. On occasion, the user may work nights and weekends.

Contractor may be required to work nights and weekends on work duties that may be disruptive to the mission. All after hours work shall be coordinated thru the contracting officer representative. The facility will be occupied during project work.

19. HVAC Shutdowns / Outages: Clarify allowable shutdown windows and approval authority / process for requesting temporary shutdowns (including power shutdowns).

a. Any utility shutdowns must be submitted to the government 2 weeks in advanced for approval.

20. Temporary Heating / Cooling: Confirm whether temporary HVAC capability/capacity will be required during AHU exchanges and other related project work that will result in significantly decreased or no climate control to specific parts of the facility.

a. The contractor will not be responsible for temporary HVAC systems.

RFI-05 – Ceiling & Lighting Restoration Scope / Damage Determination: Please clarify the following:

21. Please confirm whether removal and reinstallation of existing lighting fixtures is required regardless of fixture condition to access AHUs and coils. Additionally, if lighting fixtures are removed and found to be damaged or non-functional, is the Contractor required to replace them? If replacement is required, should fixtures be replaced in-kind, or may they be replaced with newer energy-efficient fixtures?

a. Lighting fixtures are to be removed as necessary to install new equipment. The contractor shall notify the government of any damaged or non-functional lighting before removal.

22. Please confirm that ceiling tile and ceiling grid replacement is limited to only those tiles/grid sections that are damaged and/or must be removed to perform AHU and heating coil replacement, and that full ceiling replacement is not required.

a. Tile and grid is not to be replaced, only disassembled and reassembled as necessary to replace HVAC equipment. The contractor is responsible for replacing any tile and grid that is damaged during construction.

23. Who is the deciding authority for determining what ceiling tiles, grid, and/or lighting fixtures are considered “damaged” and therefore required to be replaced (e.g., COR, Facility Manager, Contracting Officer, or other)?

a. Contracting officer and COR

24. Heating Coil Replacement Scope: Confirm number of coils and whether piping/supports/insulation is included in the base scope of work.

a. 6 coils are to be replaced. Piping, insulation, and supports are to be replaced only if required to install new equipment, valves, or components.

25. Piping Configuration Modifications: Confirm if piping reconfiguration is included in base scope.

a. Piping is only to be replaced if new equipment requires it.

26. Exhaust Fan Configuration (Latrines); The solicitation references replacement/installation of exhaust fans for male and female latrines. During the site visit, no individual exhaust fans were observed; both latrines appear to share a common exhaust path served by a single roof-mounted fan. Please clarify the intended configuration:

replacement of the existing roof-mounted fan only, installation of two separate exhaust fans with associated duct modifications, or another configuration.

a. Replace the roof mounted exhaust fan.

27. Controls / BAS Requirements (DDC): Clarify BAS platform, programming, graphics, checkout, alarms, trending, and full integration. BLDG 611 HVAC Repair PPIs

a. Standard BAS controls are required onsite at the equipment. Set points, equipment status, and sensor feedback needs to be visible remotely.

28. Existing BAS / DDC Manufacturer + Representative Contact: Please identify the existing BAS/DDC manufacturer and provide the Government’s preferred or existing BAS/DDC representative / controls contractor point of contact for coordination.

a. The existing is unknown. The preferred system is Automated Logic. Harris Controls is the base approved vendor for Automated Logic.

29. TAB Requirements: Clarify certifications, format, and witnessing.

a. Refer to UFGS 23 05 93 as specified in SOW for TAB requirements. The government project inspector must be notified when the TAB is being performed for witnessing.

30. Commissioning: Confirm if formal commissioning required beyond TAB.

a. A formal commissioning is not required beyond TAB. A factory start up by a manufacturer certified technician is required.

31. Asbestos / Hazardous Materials: Clarify Gov vs Contractor abatement responsibility.

a. Asbestos or other hazardous material has not been identified. Refer to attachment “Ltd Asb Survey Report 3-18-25”.

32. Staging, Laydown & Waste Management: Confirm laydown and dumpster restrictions.

a. Exact laydown and staging areas will be determined after award. Approximate areas will be nearby parking lot or grass area.

33. Electrical Scope / Code Upgrades: Please clarify the electrical scope for new AHUs and associated equipment, including whether code upgrades apply only at the equipment connection points, or if upgrades are required from the panel to the equipment (feeders/conductors/disconnects).

a. The existing electrical infrastructure shall be used. Code upgrades are only required at connection points where new equipment is installed. Panel, breaker, or capacity upgrade is to be determined by the contractor based on equipment selection.

34. Are existing as-built drawings available? Will a survey be required?

a. Mechanical layout has been provided. A survey will not be required.

35. I do not see in the SOW where a Basis of Design (BOD), specifications, or product data submittals are required to be reviewed. Can you confirm whether these will be part of the design deliverables and review process?

a. Per SOW, “the contractor shall provide material submittals for all new material and equipment that will be used and installed during the project.”

36. We are unable to open some of the attachments. Can these be added to the solicitation documents in a readable format?

a. Attachment 02-IGE VLSB 20-0008 09.11.2025 Blank

b. Attachment 07-Mechanical Drawings

c. Attachment 15- CONTRACTOR MEMO (optional informational)

a. Documents have been changed to PDF versions.

37. Will the site visit list be posted?

a. The site visit list has been included with answer responses.

38. Per Attachment 8 design standards, Page 34/211, the specified Water meter can communicate via BACnet 1.) Please confirm if a water meter is required. If Required, will the Building Automation System (BAS) be permitted to interface with this “facility” meter provided and installed by others for monitoring purposes?

a. Water meter is not required

39. Per Attachment 8 design standards, Page 34/211, the specified Gas meter can communicate to

UMCS 1.) Please confirm if a GAS meter is required. If required, will the Building Automation System (BAS) be permitted to interface with this “facility” meter provided and

a. Gas meter is not required.

40. Per Attachment 8 design standards, Page 40/211, the specified Electric meter per building can communicate to UMCS 1.) Please confirm if an Electric meter is required. If required, will the Building Automation System (BAS) be permitted to interface with this “facility” meter provided and installed by others for monitoring purposes?

a. Electric meter is not required.

41. Per Statement of work indicates existing FCU’s will be replaced. There are notes that lead to ambiguity on the quantity of FCU’s. Can the zoning be 1 thermostat per room Master/Slave FCU control or 1 thermostat per FCU mandatory?

a. 1 thermostat per FCU

42. Please clarify Attachment 5 total quantity of FCU’s 6 or more FCU’s? See included Mark Up Drawing

a. ? 6 fan coils

43. Per Statement of work boiler/pump work is neither included nor excluded as part of this project. Harris completed a boiler upgrade project in this building in 2016. Please confirm all existing controls, sequences and wiring can remain as is from this 2016 project and can be excluded from any upgrade or repair work.

a. No work on the boiler, boiler pump, and boiler controls is required.

44. Per Statement of work chiller/pump and control work is to remain as part of this project.

Harris completed a boiler upgrade project in this building in 2016 separating the boiler and chiller controls. The remaining ALC WEBZONE controller is an unavailable and obsolete legacy controller installed pre 2011. Please confirm if Harris is to leave this control as is or an upgrade would be permitted as part of this contract.

a. No work on the chiller, chiller pump, or chiller controls is required.

45. Does the government anticipate any non-access days where no construction will be allowed?

a. The Government currently anticipates the following federal holidays where no government personnel will be available to provide access: Friday, 3 July 2026, Monday, 7 September 2026, Wednesday, 11 November 2026, Thursday, 26 November 2026, (possibly Thursday, 24 December 2026), Friday, 25 December 2026 and Friday, 1 January 2027.

46. Is there a state GC license requirement for this project?

The Government does not mandate a South Carolina GC license but requires the GC is properly licensed to complete all required work for this project.

47. Will Third Party Commissioning be required for this project?

a. Third party commissioning is not required.

48. Will office space be made available for contractor use in the facility?

a. Office space will not be made available.

49. Is it required to provide an office trailer for this project?

a. That is up to the contractor.

50. Will bathroom and handwash facilities be made available for contractor use or will the contractor be required to carry the cost?

a. A bathroom and handwash facility will not be made available.

51. Where will the laydown area be located?

a. Exact laydown and staging areas will be determined after award. Approximate areas will be nearby parking lot or grass area.

52. Will the laydown area be required to be fenced?

a. No, a fence is not required by the government.

53. Will access to electrical power for tools be made available?

a. Existing building power can be used.

54. Please provide sign-in sheets for the pre-bid site walk/meeting.

a. The site visit sign in sheet has been included.

55. How soon after award can the contractor expect the NTP?

a. The contractor can anticipate the NTP is issued within 14 calendar days of award.

56. How soon after NTP will the government expect submittals?

a. To be determined at pre-construction meeting.

57. What is the government's time for review and approval of submittals?

a. Typical turnaround time is 2 weeks for CE to review submittals and RFIs.

58. Will time for procurement of materials be considered part of the POP?

a. Yes material lead times will be taken into consideration.

59. Per the Scope of Work, New Work, bullet point 8 "The system shall be balanced to the original design conditions of the building." Please provide the original TAB report

a. Original TAB cannot be located. Test and balance so flow requirements are met for all HVAC equipment, including chiller, AHUs, and FCUs.

60. Per the SOW, Permits "The contractor shall pay for and obtain any required permits." What permits should the contractor anticipate?

a. If digging is necessary, a dig permit is required. The dig permit is free.

61. SF1442, Block 13(d) states “Offers providing less than 5 calendar days for Government acceptance after the date offers are due will not be considered and will be rejected.” Section L states “L-1.4. Bid pricing in response to this solicitation shall be valid through 30 September 2026. Block 13(d) of the SF 1442 is completed to read 10 calendar days.” Can the government please clarify the timeframe for Government acceptance of bid price?

a. The timeframe for government acceptance of bid price is approximately no less than five (5) calendar days to ensure the apparent awardee has met all qualification requirements for contract award per the solicitation. Once government has reviewed bid and determined the bid meets qualification and is accepted, the Government will require the bid price is valid through 30 September 2026.

62. Will temporary air be required for this project?

a. Temporary air is not required.

63. Per attachment 01, SOW, Page 2, Note: "The contractor will establish a schedule for construction that will show the required work (including phasing) and long lead time items."

Will Microsoft Project schedule be acceptable or will the schedule be required in Primavera/P6?

a. Form AF IMT 3064 is to be used to submit a schedule.

64. Is a bid schedule required to be submitted with the proposal response?

Per paragraph L-3.2, offerors need to provide detailed plan as to how project will be managed and kept on schedule. A contract progress schedule (AF Form 3064) document will be required a time of preconstruction meeting when NTP is issued.

65. For bidding purposes, provide the amount of acoustical/Gypsum ceiling to temporarily remove and replace.

a. That is to be determined by the contractor.

66. Per Attachment 01, Project Notes "The contractor shall temporarily dissemble the existing ceiling grid around HVAC equipment so the requirements of this project can be met." During the site visit it was noticed that the existing ceiling tiles appear to be in distress. Would the government consider a cost to replace all tiles?

a. Replacing ceiling tiles is not in the scope of this project unless damaged by the contractor. Any damaged ceiling tiles caused by contractor will be replaced at no cost to the government.

67. Please provide existing fan coil unit electrical circuit ampacities.

a. See document “40RR-1SSC”

68. Long-lead procurement at 65% design: Please confirm the government will authorize procurement of long-lead items (AHU, boiler, water heater, controls) upon approved 65% design submission, and confirm funding/award mechanism for early release.

a. The SOW of work has been revised to remove Design Phase from this requirement. The government will authorize procurement of long lead items ONLY AFTER an approved submittal for long lead items. Contractor can build long lead item procurement in construction scheduling and include long lead item procurement(s) in applicable progress reports for approval and subsequent pay app invoicing.

69. Balancing to “original design conditions”: If original design values are unavailable/invalid, please confirm balancing target will be contractor-calculated design conditions approved at 65/95%.

70. Definition of “matching”: Please confirm whether “matching” means equal

CFM/GPM/ESP/capacity only, or same manufacturer/model, dimensions, and connection locations.

a. Matching in the sense of technical aspects, such as CFM,GPM,ESP, etc.

71. Temporary HVAC requirements: Please confirm if temporary cooling/ heating/ ventilation is required during AHU/FCU replacement and who bears utility costs.

a. Temporary HVAC is not required.

72. Efficiency requirement conflict: SOW states minimum SEER 14; please confirm applicable efficiency basis for this equipment type (e.g., AHRI metrics for split/packaged equipment vs AHU/FCU hydronic components).

a. Ensure SEER 14 rating is met for new equipment.

73. Original HVAC design documents: Please provide original basis of design, as-builts, TAB reports, and sequence of operations for B611 to define “matching characteristics and performance values.”

74. Short-circuit/coordination responsibilities: Please confirm whether arc flash updates, coordination study, and panel schedules are in contractor base scope.

a. This is not required.

75. Ceiling demolition/reinstallation limits: Please clarify restoration standard, matching requirements, and whether patch painting/finish restoration is included where access is required.

a. Restoration is only required if the contractor damages anything.

76. Record documents: Please clarify required as-built LOD, redline frequency, and whether model/native files beyond DWG/PDF are required.

a. Files beyond DWG/PDF are not required.

77. Attachment 08-Shaw AFB Design Standards, Page 34/211 (RFI 1), the specified water:

Please confirm if a water meter is required. If required, will the Building Automation System (BAS) be permitted to interface with this “facility” meter provided and installed by others for monitoring purposes?

a. Water meter is not required.

78. Per Attachment 08-Shaw AFB Design Standards, Page 34/211 (RFI 2), the specified gas meter can communicate to UMCS. Please confirm if a gas meter is required. If required, will the Building Automation System (BAS) be permitted to interface with this “facility” meter provided and installed by others for monitoring purposes?

a. Gas meter is not required.

79. Per Attachment 08-Shaw AFB Design Standards, Page 40/211, the specified electric meter per building can communicate to UMCS. Please confirm if an electric meter is required. If required, will the BAS be permitted to interface with this “facility” meter provided and

a. Electric meter is not required.

80. Attachment 05-Mechanical Layout-Sep 07.pdf, page 2 of 4 under notes, states that the existing pump is to be removed and handed over to the HVAC Shop. Attachment 01-SOW VLSB-24-0032 B611 HVAC Repair- 11 Sep 25.pdf, page 1 of 8, first paragraph, last sentence, states that the chilled water pump is to remain. These statements seem contradictory. Please advise which to follow.

a. “Mechanical Layout” is specifically for existing equipment locations. It is not being used to define requirements.

81. Will the construction duration begin after all long lead items have been approved and delivered to the work site?

a. Construction duration will begin when all approved long lead materials are on site.

82. Does Shaw AFB have a preference in the equipment manufacturer for the Air Handlers or Fan Coil Units ?

a. Trane is preferred manufacturer.

83. Please provide info and characteristics of the 2 existing Air Handlers including electrical requirements that are to be demolished and replaced with new Air Handlers that match existing characteristics.

a. This information was to be obtained at the site visit.

84. Please provide info, qty, and characteristics of the Fan Coil Units including electrical requirements that are to be demolished and replaced with new Fan Coil Units that match existing characteristics.

85. Please provide info and characteristics of the existing Exhaust Fan that is to be demolished and replaced with new Exhaust Fan that match existing characteristics.

86. Please confirm the expected Design should only include architectural, mechanical (HVAC only), and Electrical drawings and associated stamps/engineering.

87. Is there an existing HVAC Controls sub that is currently working onsite and already familiar with these systems?

a. Harris Controls

88. Please confirm if existing circuitry can be utilized for new equipment assuming the electrical characteristics of the new equipment are the same.

a. This was to be determined at the site visit.

89. Can existing electrical drawings be provided showing panels that currently feed the existing HVAC equipment? Panel locations and panel schedules would be helpful.

a. Existing electrical drawings are not available.

90. Please confirm that a minimum of 2 full time people will be required onsite while work is being completed to fulfill the duties of Superintendent, SSHO, and QC Officer.

a. That is correct, 2 full time people are required.

91. Please provide info on Architect/Engineer duties and responsibilities during Construction such as number of site visits required, inspection requirements, closeout requirements, etc..

a. There is not a specific number of site visits required. However, site superintendent is required to be on site daily. Inspection requirements will be determined by the Contracting Officer Representative and Contracting Officer during the Construction phase. Closeout requirements; Contracting will require (contractor signed) completed Final Inspection Report, Final Invoice and Release of Claims. CE will require AF Form 1354, equipment operating manual(s) and Warranty paperwork.

92. Please verify if any permits will be required for this project so pricing can be included in our bid.

a. If digging is necessary, a dig permit is required. The dig permit is free.

93. Chilled Water Piping- The drawings indicate that the piping from the chiller to each of the units is to be demolished and replaced. However, the SOW does not mention the demolition of the pipe. Is the piping going to be replaced and if so, what is the preferred material and method of installation?

a. The mechanical layout drawing is only to be used to determine the location of the HVAC equipment. No requirements are to be derived from the layout drawing.

94. Do the new fan coil units need outside air at each unit?

a. Match existing fan coil configurations.