Y1DA--FY24: NRM (PROJ: 673-21-151) BB Replace Air Handling Unit ED-203

Project title: BB - REPLACE AIR HANDLING UNIT ED-203

Project Number: 673-21-15.

THE PURPOSE OF THIS AMENDMENT IS TO MAKE THE FOLLOWING CHANGES TO THIS SOLICITATION:

Extend Proposal Due Date to July 16, 2024, at 2:00 PM. EST.

Amendment # 5.

The VA is correcting the answer to RFI question # 13:

13. Can the POP be extended beyond 220 days? it is unlikely the unit will be constructed in that timeframe.

Previous answer: If the contractor can show proof of lead times, then we will consider an alternate POP timeframe.

New answer: The period of performance is updated to 485-days from NTP, this information is located on page 1 and 7 of the SOW.

The VA is replacing the Wage Determination pursuant to the Services Contract Act number # 2015-4571, revision 21 dated 08/04/2023, with the Wage Determination must include Davis Bacon Act wages # FL20240208 dated 01/05/2024.

The VA is proving an updated SOW, additional drawings, and structural calculations to clarify the unit and curb weight. VA extended the proposal due date to 04/12/2024 at 2:00 PM EST.

Finally, please remember to separate your technical proposal from your price proposal.

Adding FAR 52.232-18 Availability Of Funds . (Apr 1984) Clause to the RFP.

Funds are not presently available for this contract. The Government s obligation under this contract is contingent upon the availability of appropriated funds from which payment for contract purposes can be made. No legal liability on the part of the Government for any payment may arise until funds are made available to the Contracting Officer for this contract and until the Contractor receives notice of such availability, to be confirmed in writing by the Contracting Officer. (End of clause

Project title: BB - REPLACE AIR HANDLING UNIT ED-203

Project Number: 673-21-15.

PROTEST HOLD

Project title: BB - REPLACE AIR HANDLING UNIT ED-203

Project Number: 673-21-15.

THE PURPOSE OF THIS AMENDMENT IS TO PROVIDE THE FOLLOWING CLARIFICATION:

The contractor is responsible for all commissioning cost. Contractor should add the commissioning cost to their proposal.

Request for Information (RFI)

BB - REPLACE AIR HANDLING UNIT ED-203

PROJECT # 673-21-151/ 36C24824R0011

Attachment 2 RFI Tracking Log

RFI NBR

Question/

Response

Company Submitted By

Dated Received

1.

We are to connect the Chilled Water, Hot Water and Steam Piping on the Roof from existing piping, do they have isolation valves? Piping risers to roof are existing, Correct?

Midwestern

11/15/23

VA Response: Isolation valves are located in piping vestibule of AHU. Exact locations of isolation valves upstream are unknown. Site investigation by contractor is required.

2.

We are connecting Supply Ducts below floor on First level and Supply/Return Ducts at Roof Level. Risers to the roof are existing to be reused, Correct?

Midwestern

11/15/23

VA Response: Roof opening (and associated duct) may be re-used.

3.

Please confirm the parking area in front of the ED by the ambulances can be used as a crane lift location?

Midwestern

11/15/23

VA Response: The preferred side is the west side since we have made lifts there before. If the contractor believes that the east side is the only option, then there will have to be strict coordination and movement since the ambulance by is on that side. Also, cannot guarantee that leadership would accept the plan.

4.

Please confirm if the alley by bldg. 2 can also be an alternate crane location.

Midwestern

11/15/23

VA Response: This is the preferred location

5

Please provide any restrictions as it pertains to the ceiling space within the ED. What is the maximum foot print we will be allowed to perform the work.

Midwestern

11/15/23

VA Response: The footprint should be as reflected on page AS100. Movement will be strictly monitored due to patient privacy. Keep in mind that the ED will be in service 24 hours a day.

6

Are there any working hour restrictions?

Midwestern

11/15/23

VA Response: Any hours outside of 8AM to 4:30AM must be approved by the COR. There may be instances where it will make more sense to work outside of normal work hours. We will have to be a little fluid with this because of the nature of the ED functions.

7

Please provide the roof warranty if any for the work area on the roof.

Midwestern

11/15/23

VA Response: Attached

8

Who is the controls contractor for this AHU?

Midwestern

11/15/23

VA Response: JCI

9

Are there any obstructions above the ceiling in the area where the AHU connects to the ducting that would prevent access to perform the work?

Midwestern

11/15/23

VA Response: This is a renovation, so please ensure that project is bid with the expectation of some obstructions. It is a large duct in a small area. Please read all of the notes in the project prints. There are many notes explaining what the contractor should be prepared for and what to expect. The bid offer should include all aspects of the information provided.

10

Would the VA be open to an alternate unit that will fit on the existing curb assuming it offers the same performance as the basis of design

OST

11/22/23

VA Response: AHU manufacturer is only basis of design. Alternate AHUs are acceptable if they meet design intent.

11

Can the main hallway below the ductwork be shut down for any period of time?

OST

11/22/23

VA Response: Please review AS100 in detail. This page explains the phasing that has been agreed upon by our IPT. The contractor will provide the alternate egress/access path as described by widening the door etc. all this information is on that page.

12

Confirm no reheat coil will be required, just a preheat coil

OST

11/22/23

VA Response: Confirmed.

13

Can the POP be extended beyond 220 days? it is unlikely the unit will be constructed in that timeframe.

OST

11/22/23

VA Response: If the contractor can show proof of lead times then we will consider an alternate POP timeframe.

14

Reference Drawing AS100 Temporary Conditioning Requirements

a. Phase 1 Notes indicate temporary cooling units in approved locations for the demolition phase. Additional General HVAC phasing notes indicate temporary heating and cooling for the Emergency Department Pharmacy. Please clarify the requirements as to whether temporary heating and cooling or just temporary cooling are required.

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: Temporary, local spot cooling shall be limited to 1 working day. Beyond 1 working days, a temporary AHU unit is required.

15

Reference Drawing AS100 Temporary Conditioning Requirements

a. Phase 2, Note 5 states the Contractor shall review and expand the above list as he/she feels fit as the .. Note is not complete. Clarify this statement

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: Remove as the . Final phasing plans shall be reviewed along with the owner.

16

Reference Drawing AS100 Temporary Conditioning Requirements

a. The mechanical demolition plans indicate that downtime should be kept to a minimum. Please provide requirements regarding what are acceptable temporary conditions, acceptable downtimes, acceptable temporary unit locations, and if temporary heating is also required for areas other than the Pharmacy.

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: Temporary, local spot cooling shall be limited to 1 working day. Beyond 1 working days, a temporary AHU unit is required.

17

Reference Drawing M000 HVAC Phasing Notes

a. Notes indicate manufacturing the ductwork under Phase 1 to minimize the downtime of the Emergency Department. What is a reasonable allowable downtime ? I.E. Would 2 or 3 hours be acceptable for conversion between phases?

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: 8 hours, coordinate time period with owner.

18

Reference Drawing M000 HVAC Phasing Notes

a. Notes indicate the installation of temporary HVAC units in approved locations . Please define what are approved locations ? The number of temporary units required significantly impacts costs.

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: Approved as in approved by owner . Too many variables to dictate exact number. For example what is the size is the unit that the contractor proposes to provide? How does the VA know how each contractor will procure temporary units or what size they are? etc.

19

Reference Drawing M000 HVAC Phasing Notes

a. Are spot coolers acceptable for furnishing of temporary conditioned air?

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: Temporary, local spot cooling shall be limited to 1 working day. Beyond 1 working days, a temporary AHU unit is required.

20

Reference Drawing MD100 Keyed Notes

a. Notes 1 & 2 - Extent of piping to be removed at the pumps is not identified nor removal of pump specials. Is removal of all piping and pump specials back to, but not including existing cut-off valves acceptable?

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: Yes.

21

Reference Drawing MD100 Keyed Notes

a. Note 3 Existing heat exchanger is remaining, therefore no work is performed during the demolition phase. However, Drawing MH100 indicates contacting the unit manufacturer for needed modifications. Is this a repair procedure, alteration, or modification? What are the concerns regarding the heat exchangers?

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: Ensure the controls are operational and setpoints can be adjusted at BMS.

22

Reference Drawing MD100 Keyed Notes

a. Note 4 Demolition of existing Johnson control panel is indicated with relocation of all communications to new SAE located in Room GA-032. Are communications other than those related to AHU ED-203 served from this panel? Can these communications be interrupted for the desired 5-day outage?

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: If the communications affect other areas outside of the project, than any downtime will have to be minimal and coordinated closely. The VA believes that the work can be accomplished with minimal effect to the communications outside of the construction space if planned properly. A 5 day outage of communication for a SAE seems excessive unless there is good reasoning.

23

Reference Drawing MD101 Demolition General Notes

a. Note 4 Note indicates Contractor shall adjust to field conditions at no additional cost. Access to above ceiling areas was not permitted by the VA during the site visit due to the number of patients in the ED at the time. An additional site visit is requested for review of this area prior to proposal submission.

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: There will be an additional site visit. If the environment of the ER at the time is not in a critical stance, then the COR will allow one team of persons to enter one at a time with a ladder and open a ceiling tile to take pictures. At no time can the passageway be blocked.

24

Reference Drawing MD102 Keyed Notes

a. Demolition requirements for existing hot water, chilled water and steam/condensate piping are not identified. Extent of any existing steam piping is not indicated. Should additional condensate drain indicated on roof remain? Location appears to conflict with the new AHU curb. Please clarify.

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: Demolish within existing AHU and prepare to extend as shown in new work.

25

Reference Drawing MH100 Keyed Notes

a. Note 1 & 2 Notes indicate all instrumentation, piping connections and supports for new pumps shall comply with Detail 9/M500. Extent of new piping is not identified in the drawings. Are the drawings intended to indicate that existing components can be reused including the cut-off valves? If existing cut-off valves are retained, can one pump be replaced at a time, prior to the requested 5-day shutdown to gain additional installation time?

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: Existing cut-off valves may be retained. Shutdown period and shutdown methods shall be coordinated with owner with risk assessment being accepted by the facility FMS team.

27

Reference Drawing MH100 Keyed Notes

a. Note 3 Note indicates the existing heat exchanger to remain and Contractor to contact the manufacturer for needed alternations. Please clarify the goal, performance level, or remediation desired from the manufacturer? The scope of work is not clear for this Note. Please clarify.

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: Ensure the controls are operational and setpoints can be adjusted at BMS.

28

Reference Drawing MH100 Keyed Notes

a. Note 4 Note requires replacement of the existing Johnson NAE-5 panel. Can this system be down for a 5-day shut-down period?

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: If the communications affect other areas outside of the project, than any downtime will have to be minimal and coordinated closely. The VA believes that the work can be accomplished with minimal effect to the communications outside of the construction space if planned properly. A 5 day outage of communication for a SAE seems excessive unless there is good reasoning.

29

Reference Drawing MH101 - Keyed note 2

a. New 60 x 24 supply duct indicated to be connected to AHU above. What is the designer s intent for construction of the vertical to horizontal transition of ductwork above the ceiling? Is it utilizing square elbows with turning vanes or to utilize long radius ells? Should a splitter damper be installed? Existing duct size on right horizontal duct transition is needed. Please clarify.

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: Install splitter at vertical, two elbows with turning vanes at bottom: 60x14 elbow on left, 60x10 on right which transitions to 34x14.

30

Reference Drawing MH102 Keyed Notes

a. Note 5 Note 5 indicates connection of new steam line and steam condensate to new AHU coil. Location of existing steam and condensate is not shown. Please provide details. Should existing utilities be assumed to be within the current AHU cabinet? Please clarify.

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: Existing steam lines were routed up to existing AHU via a piping vestibule within the existing AHU.

31

Reference Drawing MH100 Keyed Notes

a. Note 10 Where is the existing relief damper located?

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: Relief is top outlet of AHU. Ductwork shall extend relief ductwork as shown on detail #2/M501. Terminate with weather hood and insect screen.

32

Reference Drawing MH100 Keyed Notes

a. New Roof Work Plan New perimeter curb and structural work will be beyond the Area of Work shown on Drawing AS100. Overhead construction and installation of new components above occupied areas is a safety concern. The removal of the existing concrete pad, existing curb, installation of the new structural components, including special inspections, and installation of the new unit curb will be a lengthy process, and maintaining occupancy below will be difficult. Can the area of work be expanded to improve safety?

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: The contractor is asked to provide a proposal that will provide a safe solution and remain within the area of work. If there is a time where a risk assessment is needed than it will be performed and the team will coordinate steps to mitigate.

33

Reference Drawing M501 Detail 2 AHU ED-203 Detail

a. Identify views above Detail Title for clarity (Top, Right Elevation, Left Elevation). Construction of associated vestibule and desired conditioning, lighting, etc. is not indicated. Please provide additional details.

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: Refer to narrative for example AHU selection from Daikin. Construction of associated vestibule is equal to AHU construction.

34

Reference Drawing M600 Air Handling Unit Schedule

a. Note 1 Revision indicates AHU shall be provided with a conditioned vestibule. Detail 2 on Drawing M501 does not indicate desired conditions or means of conditioning such as electric heaters or cooling vents. What is the scope of work for the vestibule?

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: Manufacturer to provide appropriately sized supply air connection to passively condition vestibule. Relief air cannot be used (considered contaminated during epidemic mode).

35

Reference Drawing M600 Air Handling Unit Schedule

a. Scheduled weight of the AHU, 8,853 lbs. does not appear to include the weight of the specified vestibule. Unit alone is approximately 8,200 lbs. The maximum weight of the curb is shown as 10,000 lbs. under note 5D. Structural Drawing S100 indicates maximum weight of 18,024 lbs. for the AHU and curb. Should the listed maximum structural weight include the added vestibule weight? If so, is the maximum weight 18,853 lbs. or 18,024 lbs.?

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: Weight is listed w/o vestibule. We are waiting on the structural engineer response on this one but the weight is expected to be in the vicinity of 24k lbs.

36

Reference Division 23000 Specifications General

a. Specifications for duct and piping insulation don t appear to be on the drawings. Please identify section number or provide additional drawing details.

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: Specification added.

37

Reference Specifications Section 23 05 41 Noise & Vibration Control

a. Paragraph 1.3 Quality Assurance, subparagraph B, Noise Criteria. Maximum noise level of 40 NC is specified for Nurse Stations and Public Corridors. Will the specified AHU and curb assembly as detailed, meet this sound criteria without supplemental sound attenuation measures?

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: Provide high density insulation as shown on sheet A301.

38

Reference Specifications Section 23 05 93 Testing, Adjusting & Balancing for HVAC

a. Paragraph 3.4 Duct Air Leakage Test Report Should the duct leakage report include the entire air distribution system served by the replacement AHU?

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: Duct leakage test is not required. This project only replaces AHU. An upcoming project addresses the HVAC within the ED.

39

Reference Specifications Section 23 05 93 Testing, Adjusting & Balancing for HVAC

a. Paragraph 3.5 System Readiness Report Will T&B report be required for the entire air distribution system associated with the replacement of AHU-203, including VAV terminals, branch ductwork and diffusers?

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: T&B only required for AHU. This project only replaces AHU. An upcoming project addresses the HVAC within the ED. Pre-measure and match static pressure setpoints of previous.

40

Reference Specification Section 23 31 00, Part 3.2, Duct Leakage Test and Repair, item B

a. Calls for testing the entire air distribution system (including all supply, return, exhaust, and relief ductwork), section by section, including fans, coils, and filter sections. Should duct leakage testing be conducted on the entire air distribution system associated with AHU ED-203? Is testing only required on the new supply and return ducting being installed?

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: Duct leakage test is not required. This project only replaces AHU. An upcoming project addresses the HVAC within the ED.

41

Reference Drawing EP600 One line Power Diagram

a. Keyed Note 5 - New AHU circuit is shown with a 100A/3p/N3R disconnect with 3 fuses. AHU schedule indicates unit MOCP of 45 amps. System narrative does not indicate unit MOCP amps or running amps. This must be coordinated with final unit selection to confirm correct feeder/fuse amps. Please clarify.

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: The information shown on the AHU schedule is a BOD only. The final unit selected may have different MOCP requirements. Upon final unit selection provide fuses sized per the manufacturer s MOCP requirements.

42

Reference Drawing EP600 One line Power Diagram

a. What are the electrical requirements for the vestibule ?

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: The vestibule is to be supplied as part of the AHU enclosure. Lighting is provided as part of the enclosure. The EC is to make the final connections to the lighting system per KN 2 on EP102.

43

Reference Drawing EP600 One line Power Diagram

a. Is smoke detector installation for the new AHU to be included in the scope of work.

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: Yes provide duct smoke detectors for supply and return ducts. Connect to existing fire alarm system.

44

The print call for a fusible disconnect. Can we use a breaker style instead?

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: No.

45

Will there be a Fire Alarm print added to the document

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: No.

46

Request second site visit to access the ceiling to inspect the existing VAV? Per note C, contractor needs to verify location, circuits, and other conditions.

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: There will be an additional site visit. If the environment of the ER at the time is not in a critical stance, then the COR will allow one team of persons to enter one at a time with a ladder and open a ceiling tile to take pictures. At no time can the passageway be blocked.

47

Request second site visit to access to the AHU 203 to open the AHU up and again verify existing conditions per Note C.

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: There will be an additional site visit.

48

Please clarify General Note C requirements. Request second site visit to access to all locations prior to proposal submission. Is contractor to provide all new items?

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: There will be an additional site visit.

49

Are WHEN hours required?

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: Any hours outside of 8AM to 4:30AM must be approved by the COR. There may be instances where it will make more sense to work outside of normal work hours. We will have to be a little fluid with this because of the nature of the ED functions.

50

Will there be any equipment needing emergency or temporary power?

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: This is a vague question and not really sure what it is pertaining to. Some of the answers to this question will come from the construction contractor. What are your methods of installation? Has there been a need identified by the construction contractor that could apply? Temperature control must be maintained the entire time.

51

Can Superintendent, QC, and SSHO Be covered by the same person?

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: No

52

The footprint of the new AHU and its required structural reinforcement significantly exceeds the service area outlined for containment in the drawings. Will this containment footprint be expanded for required work?

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: The footprint cannot be expanded for the duration of the project due to operational limitations. If the contractor has work outside of the boundary, than that work will have to be coordinated with staff to what is acceptable at the current time.

53

Is there an asbestos report available for the surrounding areas in the ER that will be affected by the expansion of containment.

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: The report has been provided for all areas of the work to be performed.

54

Are the surrounding offices ACT or hard ceilings?

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: Area is ACT except for 1E-121, 1E-122, and 1E-139 thru 1E-142.

55

The 5-day working window, is this time window to have the unit functioning or will the entire scope need to be completed in this window of time?

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: This time period is to remove and replace the unit

56

Can the VA provide the type and level for ICRA requirements?

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: Class and permit level IV

57

Are there mechanical or electrical in the way of accessing the underside of the AHU?

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: Yes

58

Is the new steel required to be fireproofed, are the existing structural steel components currently fireproofed? If so, what is the required fireproofing method low-density fibers or cementitious compounds?

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: Yes, fireproofed to match existing. Please verify type on the second walkthrough

59

Are 3rd party special inspection required for the structural steel additions to the AHU?

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: The VA is not aware of this being a requirement. This installation should have a QC process but unaware of any special inspection

60

Is there an existing warranty on the affected roof? If yes, please provide vendor/spec information for the roof and contract.

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: Attached

61

Please provide pictures of the associated VFDs and CW and HW pumps and their name plates.

Contract and Purchasing Solutions, Inc.

11/22/23

VA Response: below

Description

Description

Project title: BB - REPLACE AIR HANDLING UNIT ED-203 Project Number: 673-21-151. Project Location: JAMES A. HALEY VAMC BLDG 13000 Bruce B. Downs, Tampa, Florida 33612 Contract Specialist: David Hernandez Magnitude of Construction: $1M and $2M. NAICS code of 238220 Plumbing, Heating, and Air-Conditioning Contractors with a size standard of $19M. Service Code: Y1DA Construction of Hospital and Infirmaries. The James A. Haley Veterans Hospital (JAHVH) has an immediate requirement to replace Air handling Unit ED-. Contractor shall completely prepare site for building operations, including demolition and removal of existing structures, and furnish labor and materials and perform work for Replace Air Handling Unit ED-203 at the James A. Haley VA Hospital, located at 13000 Bruce B. Downs Boulevard, Tampa, Florida as required by the drawings and specifications included in this acquisition package. (See Attached SOW and documents). A site Visit is schedule for:11/15/2023 at 10:30 AM, any questions please email Engineering Tech Paul Guerra at paul.guerra@va.gov Location: James A. Haley building 42 courtyard. RFI due on 11/22/2023 at 2:00PM email to david.hernandez1@va.gov All VA Medical Facilities are smoke free. Smoking is not permitted anywhere on the JAHVH Campus. Contractors must wear PPE at all times while at the JAHVH. AT THE TIME OF PROPOSAL SUBMISSION, interested contractors MUST be actively registered in the following database: System for Award Management: SAM.gov | Home Veteran Small Business Certification (VetCert): Veteran Small Business Certification (sba.gov) WAGE DETERMINATION: General Decision Number: FL2015-4571 revision 21 08/04/2023 applies to this project. PLEASE COMPLETE ATTACHMENT 852.219-75 VA NOTICE OF LIMITATIONS ON SUBCONTRACTING - CERTIFICATE OF COMPLIANCE THIS REQUIREMENT IS SET ASIDE FOR SERVICE DISABLE VETERANS OWNED SMALL BUSINESS(SDVOSB)