RFI Q-A Response 02-26-2026.pdf

RFI Questions & Answers for Solicitation No. 36C26126R0004 Project No. 593-22-350

Improve Central Utility Plant (CUP) VAMC Las Vegas, NV

VA Responses

Q1:

Is it acceptable to provide a line item to replace the (4) cooling tower cells in entirety in lieu of just the top section?

Cooling tower requested scope of work per provided plans specify replacement of upper sections only. As the basins the (4) existing cooling towers are not of stainless-steel construction, we do not believe it is responsible to replace the upper sections only. In addition, typically when cooling tower sections are separated in the field, the gasketed surfaces are also damaged, leading to immediate or future leaks at the upper to lower joint area(s).

Q1 VA Answer:

A/E does not take exception to the above proposed. VA to make final judgement on whether this can be added as a line item or proposed as an alternative to cooling tower upper section replacement.

Q2:

Are chilled water and condenser water pump inertia bases also being replaced during the replacement of these pumps?

Q2 VA Answer:

Consistent with the plans, maintain reuse of existing inertia bases.

Q3:

Was it considered to raise the cooling towers to increase NPSH to the condenser pumps that cavitate significantly?

Q3 VA Answer:

It was considered to raise the towers to increase NPSH. It was ultimately determined air was being drawn into the system due to lack of flow control at the outlet of the cooling tower basins.

Q4:

Please provide clarification regarding which water softener will be required. Although there is a water softener specified in the Mechanical Schedule, the corresponding notes regarding this softener state that the softener skid to be sized according to the “space available after existing filter system is removed”. How are we supposed to provide the desired softener and monetize it correctly?

Q4 VA Answer:

Water softener in schedule is noted as basis of design. If an alternate softener that meets requirements is be submitted, skid size coordination note is meant for the contractor to coordinate the final size of the submitted water softener skid with the available space.

Q5:

Would flanged / purged / welded / passivated stainless steel piping be acceptable in lieu of the “threaded” piping for the water softener headers?

Q5 VA Answer:

Per specification section 223111, part 2.3, flanged or threaded piping is acceptable.

Q6:

Is moving the blowdown tank above the surge tank due to space constraints on the boiler room floor area? We have concerns that the surge tank pressure will provide enough motive force to be effective.

Q6 VA Answer:

The existing blowdown tank is already located on the platform above the surge tank; it is to be relocated on the existing platform to make room for the new catwalk ladder.

Q7:

Regarding the new catwalk steel, Section 05 50 00 Metal Fabrications, 1.1.B states catwalks and platforms are included in this section. Is the new steel at the Roof level included in Section 05 12 00 Structural Steel Framing, or is there no steel on this project included in 05 12 00?

Q7 VA Answer:

Yes, 05 12 00 refers to the heavy steel beams and 05 50 00 refers to the grates, handrails, etc.

General contractor is responsible for ensuring all materials to meet scope of work shown in drawings is provided.

Q8:

Ref. 8/S-154; What is the thickness of the 4”x12” plates?

Q8 VA Answer:

3/8” thick.

Q9:

Ref. Sheet S-110 Chiller Room Roof Plan; Both details 1/S-150 and 4/S-150 are called-out as typical. Which detail is to be used at the new W8 to existing W18 connections?

Q9 VA Answer:

Detail 4 shows how to address a proposed W8 connection to the existing W18 member along the existing W18 web with a 6x15 column below the W8 member. Detail 1 shows the W8 connection to W18 with both tops of flanges at an equal elevation.

Q10:

Confirm Spec Section 07 60 00 is for replacing missing coping and counter flashing only and removal and replacement as needed only. Same as Section 07 01 50.91 as needed.

Q10 VA Answer:

Yes, spec section 07 60 00 pertains to flashing section on louver details. Scope of Work does not include flashing at any other area in the project.

Ref S-120 Chiller Room Section Views (& Sim.); How do the C6 diagonal braces attach to the W6x15 catwalk hangers?

See Detail 1/S-153. Details have been updated to apply to both horizontal and vertical bracing.

Q11:

Section 05 12 00 Structural Steel Framing, Article 2.5.states “Shop Finish Painting: Apply primer and finish paint as specified in Section 09 91 00, PAINTING”. Section 05 50 00 Metal Fabrications, Article 2.15.F states “Prime paint catwalk system”. Is any catwalk steel shown on the Structural drawing considered structural steel? If, not, please confirm that the catwalk system only requires shop prime painting.

Q11 VA Answer:

All new steel placed as part of this project needs to be painted to match existing. Please see attached finish schedule for paint finishes.

Q12:

Ref. S-151 Structural Details; There are 2 grating attachment details. We assume Detail 1, Saddle Clips

Q12 VA Answer:

Both details are acceptable. Saddle clip method is acceptable.

Q13:

Ref. S-152 Structural Details & S-155 Fixed Industrial Steel Stair Details; We cannot find any new stairs called-out on the plans. Please advise.

Q13 VA Answer:

There are a couple of one-riser stairs connecting new catwalks to existing catwalks, in order to achieve clearance over existing plumbing and mechanical equipment. Disregard the typical stringer details showing a larger set of stairs with a connection to the ground.

Q14:

SDVOSB Joint Ventures are no longer certified or listed by the SBA with the latest revision to their website. According to the SBA technical assistance staff, the only location for Joint Ventures to be listed as a disadvantaged business is within SAM.GOV. Please clarify what verification/documentation is required for a SDVOSB Joint Venture where the Managing Venturer Firm is SDVOSB certified and listed on the SBA Search website.

Q14 VA Answer:

Verification of Service Disabled Veteran Owned Small Business (SDVOSB) status for Joint Ventures (JVs), will be conducted in accordance with (IAW) Federal Acquisition Regulation (FAR) 19.1403(d) and 13 CFR 128.402.

The Government will rely on the offeror’s SDVOSB certification status as reflected in the Small Business Association’s (SBAs) Small Business Search Website https://search.certifications.sba.gov/ at the time of offer proposal submission and as otherwise required by the solicitation.

For Joint Ventures, eligibility and compliance will be evaluated IAW with FAR 19.1403(d) and 13 CFR 128.402, including but not limited to verification that:

− The SDVOSB managing joint venture partner is properly certified by the SBA on their Small Business Search Website.

− The Joint Venture meets applicable SBA SDVOSB program requirements.

− Representations and certifications are accurate in SAM.gov.

The Contracting Office does not independently certify SDVOSB status, but verifies representations using official Government systems and applicable regulatory criteria as cited above. Offerors are responsible for ensuring compliance with all SDVOSB and Joint Venture eligibility requirements.

This RFI response does not constitute an eligibility determination. This RFI response is informational only and does not amend or modify the solicitation, the resulting contract, or any applicable regulatory requirements.

https://search.certifications.sba.gov/

Q15:

Temporary Systems & Load Shedding Criteria Spec/Note: Contractor must provide temporary equipment/utilities to maintain outputs if full outage is unavoidable; phasing plan must include load shedding plans (Sections I.B, I.R).

Question:

Define minimum required capacities (flow/CFM/tonnage/steam lb/hr) and priority loads the VA requires during outages, so we can size temporary pumps, CHW/HHW bypasses, rental boilers/chillers if needed.

Q15 VA Answer:

From Mechanical Engineering standpoint, no temporary systems are anticipated with use of phasing indicated on the plans. If entire cooling tower cell replacement is considered, no more than 1 or 2 cooling towers can be inoperable at one time, seasonally considered.

Q16:

Method of Procedure (MOP) Approval Timeline Spec/Note: MOP must be approved by COR before any utility interruption (Section I.U).

Question: Confirm the review/approval duration for MOPs and whether rolling approvals are acceptable (e.g., 10 business days), to align with the CPM schedule and 14‑day shutdown notice requirement

Q16 VA Answer:

Rolling approvals are acceptable. MOP review shall be 14 days.

Q17:

Condenser Pump Strategy (Option Selection) Spec/Note: Either replace 5 existing condenser pumps with high‑efficiency double‑impeller or raise cooling towers and extend screen wall; “A/E shall determine best solution” (Section I.A.k).

Question: Please select the basis‑of‑design option (pump replacement vs. tower elevation + screen extension) so we can finalize pricing, structural/logistics impacts, and long‑lead procurement.

Q17 VA Answer:

The language to raise the cooling towers has been removed from the Statement of Work (SOW).

The updated language states “Replace 5 existing condenser pumps per the design drawings and specifications”. Please refer to the most current SOW version named “Attachment SOW 02-26- 2026”.

Q18:

Secondary Water Supply to Cooling Towers Spec/Note: Add secondary supply from 10" waterline east of CUP (Section I.A.l).

Question: Confirm tap location, pressure/flow availability, backflow preventer type, and responsible party for permits with the water authority; clarify whether potable/non potable and any reclamation constraints.

Q18 VA Answer:

The question does not clearly identify where the referenced specification or note can be found within the solicitation documents. As a result, there is insufficient information to provide an accurate response.

Q19:

General Contractor On-Site Presence Spec/Note: Required Personnel from the General Contractor that are required to be on campus shall include Superintendent, Project Manager, Site Safety and Health Officer, and Quality Assurance/Quality Control manager. Each of the aforementioned roles must be held by a singular individual; dual or tri-hatted roles are prohibited.

Question: Clarify on-site presence expectations for the Project Manager and QA/QC Manager roles.

Q19 VA Answer:

The superintendent, SSHO, and QA/QC manager shall be on-site and full time.

Q20:

General Contractor Staffing Spec/Note: Required Personnel from the General Contractor that are required to be on campus shall include Superintendent, Project Manager, Site Safety and Health Officer, and Quality Assurance/Quality Control manager. Each of the aforementioned roles must be held by a singular individual; dual or tri-hatted roles are prohibited.

Question:

Confirm that all General Contractor roles listed must be personnel directly employed by the General Contractor and not a subcontractor’s employee. Or what roles can be provided by subcontractor personnel?

Q20 VA Answer:

The superintendent, SSHO, and QA/QC manager shall be employed by the general contractor.

Q21:

QA/QC Staffing Independence Spec/Note: QA/QC personnel cannot perform construction work; Superintendent cannot be QA/QC (Section I.K).

Question:

Confirm if QA/QC Manager may also serve as Project Manager or must be completely dedicated; clarify on site presence expectations

Q21 VA Answer:

QA/QC manager shall be separate from the project manager.

Q22:

Commissioning Spec/Note: The VA has arranged with a third-party consultant (TBD) to act as the Commissioning Agent. The Commissioning Agent is the designated person, company, or entity that plans, schedules, and coordinates the commissioning team to implement the commissioning process. The Contractor shall employ or appoint staff to act as a Commissioning Manager (see 01 91 00) to carry out all commissioning tasks including managing submittal requirements and resolution of the issues log, and coordination with the third-party Commissioning Agent.

Question:

Confirm if QA/QC Manager may also serve as Commissioning Manager and what certifications are required for the role Commissioning Manager?

Q22 VA Answer:

It is acceptable that the QA/QC manager also acts as the commissioning manager.

Q23:

Commissioning Scheduling Spec/Note: 01 91 00, 1.8, B&C./1.10

Question:

Confirm that the Commissioning Manager controls the commissioning activities scheduling.

Q23 VA Answer:

General contractor will be required to coordinate commissioning schedule with VA provided agent. General contractor shall make available all pertinent shop drawing submittals and test reports completed by the contractor.

Q24:

Schedule Submittals & Updates Spec/Note: CPM schedule due in 14 days of NTP; monthly updates; 3 week look ahead at weekly meetings (Section II.I).

Question:

Confirm baseline schedule level of detail (activity durations, cost/resource loading) and native file format acceptance.

Q24 VA Answer:

Refer to added Specification Section 01 32 16.15 for schedule level of detail and file format requirements.

Q25:

As Builts & O&M Turnover Spec/Note: Extensive records management/ownership by VA (Sections I.Y, III).

Question: Define as built format (CAD/PDF/BIM), O&M manual format, and metadata needed to meet VA records requirements at closeout.

Q25 VA Answer:

As-built drawings shall be formatted in PDF format per Specification 01 00 00 1.11.C. This also applies to shop drawings. Warranty Management and information turnover can be found in Specification 01 00 00 1.12.A. O&M Manuals to be 4 separate hard copies and 1 compact disc for each separate piece of equipment, delivered to the COR coincidentally with the delivery of the equipment to the job site.

Q26:

Lutron Scope & Integration Depth Spec/Note: Upgrade facility wide Lutron controls as needed for single point monitoring in CUP control room (Section I.A.m).

Question: Clarify whether scope is monitoring only (status) or includes command, scheduling, load shedding; specify protocol/gateway and rooms/areas included.

Q26 VA Answer:

The project includes an upgrade of the facility-wide Lutron lighting control system. Lighting control and scheduling are inherent functions of the Lutron system and are included as part of the upgrade.

The system includes a BACnet interface for integration with the BMS. Load shedding is not currently identified as a function of the lighting control system.

Q27:

Submittal Register Spec/Note: The VA will provide the initial submittal register in electronic format. Thereafter, the Contractor shall track all submittals by maintaining a complete list, including completion of all data columns, including dates on which submittals are received and returned by the VA.

Question: Please clarify what electronic format the submittal will be provided in by the VA and what electronic format must the contractor maintain the submittal register in.

Q27 VA Answer:

Submittal Register will be provided in PDF Format. Contractor shall maintain and submit submittal tracker as PDF and integrate all required specifications into File Share Platform ie.

Submittal Exchange, Procore or equal.

Q28:

Design Analysis Drawing: G-000 Project Narrative - REPLACEMENT OF MECHANICAL AND ELECTRICAL

EQUIPMENT SPECIFICIED IN THE DRAWINGS AND DESIGN ANALYSIS ARE TO BE DONE IN THE

BASEMENT, BOILER ROOM, COOLING TOWER YARD, AND CHILLER ROOM.

Question:

No design analysis was provided, clarify whether a design analysis will be provided?

Q28 VA Answer:

Design analysis will not be provided; contractor will provide a proposal based off of the drawings and specifications.

Q29:

Line Stops

Question:

There is no room for line stops between the pipe header and the condenser piping valve at the tee. What method will be required to replace the valves?

Q29 VA Answer:

A/E recommends isolating existing valves, freezing procedure in place, and adding new valves.

Contractor to test shutoff valves to prove isolation capabilities. If needed, manifold shutdown to be considered seasonally during low impact time for valve replacement.

Q30:

Chilled/Condenser Water Strainers

Question:

Strainers are not shown on the drawings, are strainers required to be installed for this project?

Q30 VA Answer:

With the potential of shavings and any other contaminants possible during the work to the condenser piping, A/E recommends adding strainers to the inlet side of the condenser water pumps during pump replacement. Drawings will be revised to show a 12”, Victaulic series 732 Wye strainer, or equal.

Q31:

6” DCW Make-Up Water

Question:

There is no detail for the method by which we are to connect the additional 6” DCW for cooling tower make-up water. Will this require hot-tapping and are any valves required to be installed?

Q31 VA Answer:

The incoming 10" DCW is intended to be shutoff temporarily via existing exterior curbstop/SOV and existing SOV shown in detail #1 on sheet M-101 to allow connection of the new 6" makeup w/ SOV. Once new SOV is installed, water can be restored, and the remaining new 6" DCW can be installed. A/E is confirming with the VA the location of existing curbstop/SOV.

Q32:

Cooling Tower Equalizer Bypass

Question:

What will be the method required for shutting down the condenser water return to install the 18” Cooling Tower return equalizer bypass piping?

Q32 VA Answer:

A/E felt the addition of the 18” equalizer line was a construction enhancement for additional volume aide to the existing equalizer line and is not a required feature. This is to be removed from the project. Plans to be revised.

Q33:

Cooling Tower Control Valve

Question:

Is the control valve indicated for the bottom of cooling tower (CT-5) required to be installed as a necessary system component?

Q33 VA Answer:

Per note 12 on sheet M-102, the flow control valve for existing cooling tower (CT-5) is required.

Q34:

Controls

Question: Does the VA have or will have a contract with a Johnson Controls Contractor to support this project in any capacity? If yes, in what capacity will support be provided.

Q34 VA Answer:

The VA has a service contract with Johnson Controls International (JCI) for maintenance of existing equipment. However, the contractor must contract directly with JCI for new equipment commissioning, integration, etc.

Q35:

VA, please confirm whether the Notice to Proceed may be delayed after award to accommodate long-lead procurement items; otherwise, please advise if an additional 150 calendar days will be granted for long lead time to procure equipment.

Q35 VA Answer:

The solicitation establishes the anticipated Notice to Proceed (NTP) process and contract performance period. The Government does not intend to delay issuance of the NTP after award to accommodate contractor procurement strategies, including long-lead items.

Offerors are advised that the contract performance period, as stated in the solicitation, reflects the Government’s requirements. Requests to extend the performance period are not contemplated under the current solicitation terms.

Offerors shall prepare proposals based on the solicitation’s stated schedule requirements.

Any modification to the contract performance period, if warranted after award, would be addressed in accordance with the applicable contract clauses, including the Changes clause and other governing provisions.

This RFI response is informational only and does not modify the solicitation/contract.

Q36:

VA, please identify the existing manufacturer of the facility’s fire alarm system.

Q36 VA Answer:

Existing fire alarm system is an Edward EST-3, as specified in the specification 283100.

Q37:

VA, please verify whether this project is exempt or non- exempt from material sales tax.

Q37 VA Answer:

This firm-fixed-price construction solicitation/contract does not establish any exemption from federal, state, or local taxes. The Government does not provide tax advice or determinations regarding specific tax liabilities. The contractor remains responsible for compliance with all applicable tax laws and regulations. Offerors/contractors should consult the appropriate taxing authorities or professional tax advisors regarding your firm’s tax treatment of this construction requirement.

This RFI response is informational only and does not modify the solicitation/contract terms or allocate tax liability beyond existing solicitation/contract provisions and clauses.

Q38:

VA, please confirm whether there are existing utilities within the laydown areas. Additionally, please advise if the VA will allow temporary connections to existing utility infrastructure, and if such connections are required to be metered

Q38 VA Answer:

Power is available at the primary laydown area via 50-amp twist lock receptacles. No metering is required.

Q39:

Sheet G101 indicates that Building 5 is to receive a facility-wide upgrade to Lutron lighting controls. However, the Lighting Control Basis of Design referenced on sheets E509, E510, and E511 appears to be specific to Building 1. Sheet G101 does not indicate any scope of work within Building 1.

A/E please clarify the following:

1. Whether the Lutron lighting control basis of design shown on sheets E509–E511 is intended to apply to Building 5, or

2. If separate lighting control documents/details for Building 5 will be issued, or

3. If the scope on G101 is incorrect and should reference Building 1 instead.

4. Please provide directions on the correct building and documents for the lighting control scope.

Q39 VA Answer:

The Lutron lighting control basis of design shown on sheets E509–E511 reflects the intent to upgrade facility-wide Lutron lighting controls for single point monitoring in CUP control room located in Building 2. See sheet E-101. Reference to Building 5 on sheet G-101 is incorrect.

Q40:

VA, please confirm whether the Project Superintendent may serve in a dual capacity as the Quality Control Manager (QCM) for this project. The solicitation documents do not clearly indicate whether these roles must be held by separate individuals or if one individual may fulfill both responsibilities.

Q40 VA Answer:

Superintendent and QCM shall be separate roles.

Q41:

VA, please identify the vendor or contractor currently servicing and maintaining the Building Automation System (BAS) Controls System for this facility.

Q41 VA Answer:

Johnson Controls International.

Q42:

Reference detail A-112, 05-50, which states, “paint to match existing new steel tube suspended structural column.” Please provide a finish schedule for all items to be painted, including but not limited to catwalks, doors, frames, and associated steel components.

Q42 VA Answer:

Please refer to Attachment Drawings Addendum 1 for finish schedule of items to be painted, as well as finishes.

Q43:

Structural General Note #8 on Drawing S-100. The note requires removal, temporary support, engineering, and reinstallation of existing pipe supports and guy wires that conflict with the new catwalk extensions and work platforms; however, the existing conditions and extent of the pipe support systems in Building 2 are not clearly defined in the contract documents. To allow accurate bidding and coordination of the required temporary and permanent pipe supports, please provide the as-built drawings for Building 2 or otherwise clarify the existing pipe support configurations.

Q43 VA Answer:

Contractor to be aware of existing conditions and additional efforts. Contractor shall survey and be responsible for placement of temporary pipe supports during construction activities as required for installation of scope assocaited with this project.

Q44:

Catwalk Loading Criteria and Code Requirements Reference:

•Drawing A111 – New Catwalk Plans & Details (upper/mid/lower platforms) •Drawing A112 – Catwalk Layout •Specification Div 05 (Structural Metals)

Confirm whether catwalks/platforms are fully designed by EOR per S-150, and provide required design criteria (live load, seismic category, deflection limits, corrosion protection system).

Q44 VA Answer:

Catwalks are fully designed by EOR. Design criteria provided on S100.

Q45:

Fire Sprinkler Coverage Under Platform Reference: Spec. Div 21 •Drawing A111 (platforms) •Drawing FP sheets (not clearly indicating new heads)

• Fire protection note: “Provide sprinkler protection under new platforms wider than 48 inches”

Identify which specific platforms exceed 48", provide sprinkler head counts, piping routing, and confirm whether new hydraulic calculations are required.

Q45 VA Answer:

Platforms needing sprinkler protection are identified on sheet FP101. Sprinklers are shown on drawings and can be counted. Recommend pipe routing is shown on FP101, drawings are diagrammatical. Sprinkler contractors are required to field verify pipe routing refer to general notes on FP101. Hydraulic calculations are required as stated in the DIV 211313 specifications.

Q46:

Louvers LV-1 & LV-2 Wall Opening Responsibility Reference:

•Architectural notes for LV-1 / LV-2 •Louver Schedule (Greenheck ESD-635, 120"x120")

Question:

Confirm whether structural headers/lintels and reinforcement for removed window framing are by contractor or already designed.

Q46 VA Answer:

No new headers or lintels will not be required for the louvers, as the louvers will be utilizing the existing rough openings.

Q47:

Smoke Detectors for Louver Fire Closure Reference:

•Louver note: “Upon fire alarm activation louvers close” •Fire alarm drawings Question:

Please clarify:

•Quantity and locations of new smoke detectors required to support louver closure •Whether detectors are provided by Division 28 or mechanical contractor •Interface responsibility with BAS / fire alarm system

Q47 VA Answer:

Per the fire alarm drawings sheet FA-101 no smoke detectors are required to support louver closure. A control module from the fire alarm system will support louver closure. Fire alarm contractor to provide control module and mechanical contractor responsible for connection to mechanical louver as shown on E501 GC coordinate trades. The smoke detectors shown on the louver control details on Sheet E-501 are not required and shall be omitted. Louver fire-closure shall be accomplished via fire alarm control module only, as indicated on the fire alarm drawings.

Q48:

Line Stops Identify specific piping systems and sizes requiring line stops.

Q48 VA Answer:

Sheet MD-102, note #7 and detail #3 notes ten instances of 12” line stops in the condenser water system. General construction notes require replacement of any shutoff that does not close completely not already noted for replacement to be removed in revised drawings.

Q49:

Control Integration Scope Reference:

•PCRA: “Integrate Lutron and Hayz Cleveland systems” •Controls specifications Division 25

Question:

Please provide:

•Required graphics pages •Trending/alarm requirements •Protocols (BACnet/IP, MSTP, etc.)

•Cybersecurity/ATO requirements •Responsibility for licensing and gateways

Q49 VA Answer:

Controls integration scope, including graphics, trending, alarms, and protocols shall be provided as indicated in the solicitation documents. The solicitation documents describe integration intent, including system integration, visibility, and coordination with the existing BAS.

Cybersecurity / ATO requirements are not part of this project scope.

Q50:

Fuel Oil System Automation Reference:

•Design note: “Automate fuel oil system and connect to BMS/JCI”

Question:

Please clarify:

•Quantity of tanks to be integrated (notes mention 9 total, 4 shown) •Required instrumentation (level, temp, flow, leak detection) •Panel location •Interface protocol

Reason:

Scope is narrative only, no diagrams provided.

Q50 VA Answer:

Fuel oil system automation/integration is shown on the Electrical Bid Documents. Integration includes Tanks 1–9 and connection to the existing Johnson Controls panel and the existing VeederRoot monitoring equipment. Reference Mechanical Bid Documents for additional information.

Q51:

Phasing Requirement & Shutdown Windows Reference:

•Drawing general notes •PCRA phasing requirements

Question:

Please provide:

•Required phasing sequence for cooling towers and pumps •Maximum allowable downtime per phase •After-hours/weekend work requirements •Temporary cooling requirements (if any)

General Demolition Note #1 requires the contractor to "Schedule all shutdowns that affect utilities and portions of the building that must remain in operation with the COR." Given the 24/7 operational nature of the VA Medical Center, are there specific pre-approved windows for shutdowns (e.g., nights, weekends)? Can the Government provide any known restrictions, required advance notice periods beyond standard coordination, or limitations on the duration of any single utility shutdown to minimize impact on hospital operations?

Q51 VA Answer:

14 Day minimum for shutdown notice. Work is intended to be performed in a phased fashion per the solicitation drawings to maintain service to the hospital. Any work requiring a full outage of a particular utility to the hospital shall require temporary utilities provided by the contractor.

Q52:

Temporary Cooling Reference:

•Mechanical drawings

•PCRA

Question:

Please confirm whether temporary cooling towers or pumps are required to maintain hospital operations during construction?

Q52 VA Answer:

From Mechanical Engineering standpoint, no temporary systems are anticipated with use of phasing indicated on the plans. If entire cooling tower cell replacement is considered, no more than 1 or 2 cooling towers can be inoperable at one time, seasonally considered.

Q53:

Fire Alarm System Modifications Reference:

•Fire alarm drawings •Louver/fire integration notes

Question:

Please clarify extent of fire alarm modifications required for:

•Louver control •Platform sprinkler impairments •Fuel oil automation integration

Reason:

No new FA devices are clearly shown

Q53 VA Answer:

See question 47 for response.

Q54:

Commissioning Responsibility for Mechanical Controls Reference:

•Division 01 •Division 23 •Commissioning spec

Question:

Please clarify:

•Which systems require third-party commissioning agent testing •Who provides functional performance testing scripts •Witnessing requirements •Seasonal testing expectations

Q54 VA Answer:

Commissioning Responsibility for Mechanical Controls Reference:

•Division 01 -AE suggests that the Contractor review this section in detail and in its entirety for Contractor related duties and effort throughout the Commissioning process.

•Division 23 -This section is included as an HVAC related supplement to Div 01 91 00 and is not meant to segregate duties between contractors. The entire Commissioning process is spelled out in Div 01 91 00.

•Commissioning spec -Reper to Div 01 91 00.

Question:

Please clarify:

Which systems require third-party commissioning agent testing?

-Refer to 01 91 00 section 1.7. AE understands that solicitation documents spell out small instances of repair to single systems (for example replacing the non-return valve on the steam header), but section 1.7 refers to steam system in its entirety. The notion that the non-return valve is being replaced, the Contractor and Cx Agent will be required to prove function of non-return valve and that the installation does not adversely affect the steam system in general.

Section 1.7 touches fuel systems, condenser water systems, chilled water systems, soft water systems, and controls as they apply to all repairs and upgrades as shown in the solicitation documents.

Who provides functional performance testing scripts? Specification section 01 91 00 – 3.6 C indicates that the Cx Agent will develop all functional test scripts.

•Witnessing requirements -AE suggests to the Contractor to study the specification section 01 91 00 to observe that section 1.9 B.4 indicates that the VA will witness the process, but also Cx agent will witness startup by Contractor, testing of systems by Contractor, and retesting of systems by Contractor (sections 1.11 and 1.12 for example), but also several references to Cx agent witnessing are included in Construction Phase and Acceptance Phase for site observations and acceptance phase in tables 3.1 and section 3.6.

•Seasonal testing expectations -AE opinion offered that seasonal testing is broad form question, and that systems could be tested during high use part of season or low use part of season. There are retest and warranty phase allowances in 01 91 00 that will cover stragegic field phases for testing more than once if low capacity off season testing is required to match phasing as scheduled by VA.

Q55:

Hazardous Material Reference:

•Demolition drawings •Specifications (no abatement section provided)

Question:

Please confirm whether asbestos/lead abatement is included or excluded from contractor scope.

Q55 VA Answer:

Asbestos and lead abatement is excluded from contractor scope; however, contractor should refer to Safety Requirements Spec 01 35 26 should any suspicious material be encountered.

Q56:

Submittal Format and Delivery Method Reference:

•Specification 01 33 23; 1.6.A and 1.6.D-E

Specification 01 33 23, 1.6.A states, "Provide submittals in electronic format," but 1.6.F allows the Contracting Officer to request up to 3 hard copies at their discretion. Furthermore, sections 1.6.D and 1.6.E specify different delivery methods based on file size (email for <5MB, FTP for >5MB). To ensure our submittal process aligns with the VA's expectations and to prevent delays, could the Government please clarify if a primary delivery method (e.g., FTP for all submittals regardless of size) is preferred? Additionally, please confirm if the requirement to provide hard copies upon request will be the exception rather than the standard procedure.

Q56 VA Answer:

The A/E requires electronic submittals on the FTP site. Any required physical samples shall be delivered to the VA COR for evaluation. The VA will not require hard copies of the standard shop drawings or product data.

Q57:

Disposition of Demolished Equipment Reference:

•General Demolition Note #8 •Drawing Sheet M-001

General Demolition Note #8 states, "Coordinate with COR on removal and placement of equipment noted to be turned over to COR. For equipment not desired by COR, contractor shall remove off site in an approved manner." The SOW also mentions the "decommission and demolition of existing clean steam generators, heating hot water pumps." To properly estimate removal and disposal costs, could the Government provide a preliminary list of major equipment items that the VA intends to retain? Alternatively, can a specific laydown/storage area be designated for all demolished equipment to be sorted by the COR prior to final disposition?

Q57 VA Answer:

Anything that is not compatible with new equipment being provided shall be disposed of by the Contractor.

Q58:

Site Supervision Requirements Please confirm the site personnel requirement to be present onsite during construction phase.

Q58 VA Answer:

The contractor shall employ at a minimum on site: full time Superintendent, Quality Control Manager (QCM), and Site Safety and Health Officer (SSHO).

Q59:

Provide the required method to replace these valves. There is no room for line stops between the header & the condenser line valve at the Tee.

Q59 VA Answer:

A/E recommends isolating existing valves, freezing procedure in place, and adding new valves.

Contractor to test shutoff valves to prove isolation capabilities. If needed, manifold shutdown to be considered seasonally during low impact time for valve replacement.

Q60:

Please advise if Strainers will be required as they are NOT listed on the plans.

Q60 VA Answer:

With the potential of shavings and any other contaminants possible during the work to the condenser piping, A/E recommends adding strainers to the inlet side of the condenser water pumps during pump replacement. Drawings will be revised to show a 12”, Victaulic series 732 Wye strainer, or equal.

Q61:

There is no detail for the method by which we are to connect the additional 6” DCW for tower make up water. Will this be hot-tapped? Are valves to be installed?

Q61 VA Answer:

The incoming 10" DCW is intended to be shutoff temporarily via existing exterior curbstop/SOV and existing SOV shown in detail #1 on sheet M-101 to allow connection of the new 6" makeup w/ SOV. Once new SOV is installed, water can be restored, and the remaining new 6" DCW can be installed. A/E is confirming with the VA the location of existing curbstop/SOV.

Q62:

Provide the required method for shutting down the condenser water return to install the 18” Cooling Tower return equalizer bypass pipe.

Q62 VA Answer:

A/E felt the addition of the 18” equalizer line was a construction enhancement for additional volume aide to the existing equalizer line and is not a required feature. This is to be removed from the project. Plans to be revised.

Q63:

Is the control valve indicated for the bottom of the tower necessary?

Q63 VA Answer:

Per note 12 on sheet M-102, the flow control valve for existing cooling tower (CT-5) is required.

Q64:

Can steel subcontractors with City Certification (EX: Los Angeles City Certification OR Clark County Certification) be used in lieu of AISC Certification? This certification meets or exceeds AISC quality safety standards.

Q64 VA Answer:

Yes, certifications that meet or exceed AISC Certification and are allowed by the VA are acceptable, as long as documentation is clear on all requirements.

Q65:

Given that the Quality Control Manager (QCM) may not serve as the Superintendent, please clarify whether the Site Safety and Health Officer (SSHO) may be dual-hatted with either the Superintendent or the QCM, subject to Government approval.

Q65 VA Answer:

Superintendent, SSHO, and QCM shall all be separate personnel.

Q66:

Given that the Quality Control Manager (QCM) may not serve as the Superintendent, please clarify whether the Site Safety and Health Officer (SSHO) may be dual-hatted with either the Superintendent or the QCM, subject to Government approval.

Q66 VA Answer:

Superintendent, SSHO, and QCM shall all be separate personnel.

Q67:

Please confirm whether any existing hazardous materials surveys, testing reports, or known locations of hazardous materials are available for this project Please advise if Strainers will be required as they are NOT listed on the plans.

Q67 VA Answer:

No known existing hazardous materials are present to the project team at this time. If contractor encounters suspicious materials, they are to alert the VA as to Specification 01 35 26 requirements.

Q68:

Please confirm the required ICRA class and any associated infection control measures for this project.

Q68 VA Answer:

No ICRA for work located in the Central Utility Plant. Any work that will be required inside patient areas, for any reason, will need to be assessed and ICRA measures taken on a case-by-case basis.

Q69:

The contract documents indicate the existing Building Automation System (BAS) is Johnson Controls. Please provide the Johnson Controls point of contact for coordination related to integration with the existing BAS.

Q69 VA Answer:

Brandon Meier, JCI (725) 301-2596

Q70:

CT Angle Flow Control Valve M-102, Bldg #2 Level 1 New Mechanical Plan, Key Mechanical Note #12 states that we need to furnish a new 14” angle flow control valve in lieu of the existing elbows down.

Do you have a make and model in mind for this control valve? Or does the VA want us to investigate this and present the VA options?

Q70 VA Answer:

In lieu of angle control valve, existing vertical SOV to be replaced with 8" CA-VAL 40-01 flow control valve, or equal. Refer to “Attachment Drawings Addendum 1.”

Q71:

Will the VA provide the commissioning agent?

Q71 VA Answer:

The VA will provide the Commissioning Agent.

Q72:

Are there any 3rd partying testing required for this project?

Q72 VA Answer:

Mechanical: Not in addition to factory startup testing and commissioning. Contractor shall coordinate with VA provided 3rd party testing agency.

Q73:

Who is the mechanical controls contractor at the facility?

Q73 VA Answer:

A/E to defer to VA.

Johnson Controls International.

Q74:

Are temporary systems required during equipment change-outs?

Q74 VA Answer:

From Mechanical Engineering standpoint, no temporary systems are anticipated with use of phasing indicated on the plans. If entire cooling tower cell replacement is considered, no more than 1 or 2 cooling towers can be inoperable at one time, seasonally considered.

Q75:

Is the contractor required to provide chemical treatment to the mechanical piping systems?

Q75 VA Answer:

Contractor to work with VA site to utilize the existing treatment process, products and devices already used at the site.

Q76:

Are there seismic requirements for the equipment?

Q76 VA Answer:

Refer to mechanical pipe installation noted on sheet M-103, keyed notes 1 and 3. also, seismic design category ‘D’, see specification Section 13 05 41. Added specification has been included in response.

Q77:

What is the ICRA level for this project?

Q77 VA Answer:

Refer to Q68 answer.

Q78:

Can the VA confirm whether existing foundations, pads, and housekeeping slabs are adequate or require modification?

Q78 VA Answer:

Mechanical does not anticipate housekeeping pad modification.

Q79:

What are the material laydown and staging areas, and are they secured?

Q79 VA Answer:

Material laydown and staging areas are defined on drawing sheet G-001. The laydown and staging areas are not secure. The secondary area East of the Chiller Room are secured with PIV Access.

Q80:

Are there known hazardous materials (asbestos, lead, PCB oils) in the existing CUP equipment or piping

Q80 VA Answer:

See Q67 answer.

Q81:

Is this project tax exempt?

Q81 VA Answer:

Refer to Q37 Answer.

Q82:

After reading through the commissioning specs, it looks like the VA is going to contract the Cx Agent directly. Please Confirm.

Q82 VA Answer:

The VA will procure the Commissioning Agent.

Q83:

The only questions we have on our end are, does this project require any specific brands or equipment to mesh in with pre-existing alarm system equipment? We have gone through everything in detail and have not seen anything within the plans or addendums mentioning existing or required brands, and because of this we have started our own system design.

Q83 VA Answer:

See Q36 answer..

Q84:

It is assumed that the condensate tank requirements would fall under ASME BPVC Section 8 and must also meet with VA Design Alert 151 (Cast Iron) which would require:

•150 psi, 250 F •Carbon Steel SA-516 Grade 70 (internal lining (epoxy)) / Stainless steel 304 or 316 •Thickness dependent on tank radius/pressure, likely ½”

Please confirm these requirements.

Q84 VA Answer:

Per specification section 235011, part 2.1, paragraph C, line 1, ASME BPVC Section VIII requirements are to be met.

Q85:

On scope of work Q. It says there are 5 pumps on skid and there were only 3. Do they need to add additional 2?

Q85 VA Answer:

Additional pumps are not required. The five existing chill water pumps are included in the scope.

Refer to M-102 on the Drawings.

Q86:

For the surge tank, are they sure they want a 3000-gallon tank?

Q86 VA Answer:

Existing 3000 gallon tank is being replaced with new a new 3000 gallon tank as scheduled on sheet M-002.

Q87:

For the blowdown recovery system, can they confirm those specs they sent are accurate?

Q87 VA Answer:

The question does not specify which specification they are referring to. Unable to provide answer. Not enough information.

Q88:

For B3 non return valve, a horizontal valve won't work due to spacing and conduit above valve.

Are they wanting to remove and reroute existing conduit?

Q88 VA Answer:

As needed, depending on selection of non-return valve, offset existing (x2) 3/4” and (x4) 1” conduit to allow installation of new non-return valve. A/E recommends junction boxes at each end of offset or (x2) gutter for offset.

Q89:

Can the SSHO triple hat as the Superintendent and the Quality Control Manager?

Q89 VA Answer:

See Q65 answer.

Q90:

Can the SSHO dual hat as the Quality Control Manager?

Q90 VA Answer:

See Q65 answer.

Q91:

Water Softener specifications:

There is some inconsistency that we wish to have clarified. Poly tanks w/ PVC manifold have been detailed on the mechanical page and steel tanks and stainless manifold on another.

Can you please clarify which type of system is being requested, and if it needs to be skid mounted?

Q91 VA Answer:

Detail #2 and water softener schedule on sheet M-002 note a skid mounted package, stainless steel manifold piping and does not note tank material. Specification section 223111, part 2.4, notes poly softener tanks and stainless steel manifold piping.

Q92:

Water Softener M-102, Bldg #2 Level 1 New Mechanical Plan, Key Mechanical Note #15 states that the new water softener system to be integrated into Metasys with “instantaneous flow and totalization flow measurement”. I’ve coordinated with the WS manufacturer, and they do not have BMS integration capabilities (e.i. BACnet) nor instantaneous flow devices for their system. Should the controls contractor furnish (1) flow meter (GPM) and wire it to the existing JCI panel (DIV 23 will install)? This will allow us to pick up the point and provide a calculated totalization measurement.

Q92 VA Answer:

The existing VeederRoot fuel oil tank monitoring system shall remain and be integrated into the existing BAS, as indicated on the Solicitation documents.

Q93:

VeederRoot ED-502 and E-506 are requiring the controls contractor to disconnect the existing high and low level alarm relays from the VeederRoot system for Fuel Oil Tanks 5 through 9 and reconnect them to the existing JCI panel for Metasys to pick up these points. We would strongly recommend not doing this as the VeederRoot system is responsible for maintaining the fuel oil levels within the tanks through the ISP Fuel Pumps. Without those alarm contacts running to the VeederRoot, the device may overfill the tanks or allow them to go empty. JCI plans to integrate the rest of the points that the VeederRoot current contains; we obtained the complete modbus registry from the manufacturer. We should be able to pick up the high and low level alarms, tank levels, and usage for all 9 tanks with this approach. Please confirm.

Q93 VA Answer:

The existing VeederRoot fuel oil tank monitoring system shall remain and be integrated into the existing BAS, as indicated on the solicitation documents.

Q94:

Cooling Towers The plans state that the top section of (4) out of (5) cooling towers will be replaced. Typically, on newer CTs, there is a vibration sensor with a dry contact that we pick up for vibration alarm.

Please confirm that we should add these points to Metasys.

Q94 VA Answer:

There are no existing vibration sensors on the existing cooling towers connected to the BAS.

New vibration sensors are not included in the solicitation documents. A/E does not disagree with the recommendation, but they are not a requirement of this contract.

Q95:

Would these 5 (high efficiency double impeller) CW pumps be different than what is scheduled? Would the piping need to change if they went with these types of pumps?

Part 2 of note k. as another option is to raise the entire CT one at a time and build the structure taller. Or are they meaning the new upper section of the new CT will be taller than the existing.

Q95 VA Answer:

The scheduled pumps in the solicitation documents are what is intended to be provided. Replace 5 existing condenser pumps per the design drawings and specifications. The language to raise the cooling towers has been removed from the Statement of Work. Please refer to the most current SOW version named “Attachment SOW 02-26-2026”.

Q96:

Specification Section 22-31-11 calls for the external softener piping to be Stainless Steel but does not specify the schedule required. Is this piping supposed to be Sch10 316 SS to match the 6” and larger above ground water piping specification found in section 22-11-00?

Q96 VA Answer:

A/E does not take exception to matching the stainless steel piping in spec section 221100.

Q97:

Specification section 22-31-11 calls for the external softener valves to be threaded ball valves with carbon steel bodies and SS trim. Is it acceptable to use butterfly valves for sizes 2-1/2” to 4”? If so, what are the valve requirements for these butterfly valves?

Q97 VA Answer:

A/E does not take exception to the use of stainless-steel butterfly valves for sizes 2-1/2” to 4”.

Valve to be weldable cast B-grade carbon steel body, wafer connection, 304 SS disc, PTFE seat, 316 SS stem, class 150 pressure rating minimum.

Q98:

Specification section 22-11-00 calls for the above ground water piping to be Copper tube for sizes 4” and smaller with Stainless Steel pipe for sizes 6” and larger. In the same section it then calls for copper fittings for sizes 6” and smaller. Are 6” domestic water lines intended to be Copper of Stainless Steel?

Q98 VA Answer:

Water piping 6” and larger to be stainless steel as listed in specification section 221100, part 2.3 paragraph A.

Q99:

Are grooved butterfly valves acceptable for sizes 2-1/2” to 4” on the domestic water system?

Q99 VA Answer:

A/E does not take exception to the use of grooved butterfly valves for sizes 2-1/2” to 4” on the domestic water system.

Q100:

Specification section 23-21-11 permits the use of socket welded fittings for steam piping and steam condensate piping 2” and smaller but calls for the use of Type 502 & 503 ball valves which have threaded ends. Is it acceptable to use socket weld ball valves for these systems?

Q100 VA Answer:

A/E does not recommend socket weld ball valves. Specification section 232111, part 2.7, paragraph B, line number 4, does not list socket weld ball valves, only threaded or flanged ends.

Q101:

Specification section 23-21-11 refers us to section 22-31-11 water softeners for the soft water piping. The external softener piping schedules in this section is Stainless Steel. Is the intent of this specification for the Domestic Soft water piping to also be ran in Stainless Steel or is the soft water to match the above ground water piping specification found in facility water distribution section 22-11-00?

Q101 VA Answer:

The new soft water piping (CW-S) shown on M-102 details 1 and 2 on sheet M-002 is intended to be stainless steel per specification section 223111.

Q102:

There does not appear to be a specification for the heating water. Is the intent for the heating water specification to match the condenser water…