Solicitation 36C26326Q0438 Amendment 1.pdf

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Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended, by one of the following methods:

The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offers

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is extended,

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is required to sign this document and return ___________ copies to the issuing office. is not, A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT ORDER NO. IN ITEM 10A.

15C. DATE SIGNED

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SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

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Contractor

16C. DATE SIGNED

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Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

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13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS,

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AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

(Signature of person authorized to sign) (Signature of Contracting Officer)

0001 03-12-2026

636-26-2-5058-0109

None

36C263

DEPARTMENT OF VETERANS AFFAIRS

NETWORK CONTRACTING OFFICE 23

2501 W. 22ND STREET

SIOUX FALLS SD 57105

DEPARTMENT OF VETERANS AFFAIRS

NETWORK CONTRACTING OFFICE 23

2501 W. 22ND STREET

SIOUX FALLS SD 57105

To all Offerors/Bidders

36C26326Q0438

03-10-2026

X

X X

636-3600162-8895-854100-2543-0400555X9

636-20-2-8895-0008

Replacement of Chilled Water Piping Replace CLC N SideSide service for the VA Nebraska-Western Iowa Health Care

System with a Period of Performance of 03/30/2026 –05/31/2026

This amendment is to update the PWS and the answer questions from prespective vendors.

Failure to submit any of the required information, statements, or certifications will result in rejection of the quote without further consideration for award.

It is the responsibility of the offeror to ensure their quote is received in its entirety before the solicitation closing date and time.

John Milroy

Contracting Officer

VA-VHA-RPOC-2023-0067

A.1 PERFORMANCE WORK STATEMENT Updated 03-12-2026

Chilled Water Branch Piping Replacement on CLC North Side, Flushing Valves, Bag Filter

Installation, and System Flush

Place of Performance: Grand Island VAMC, 2201 N Broadwell Ave, Grand Island, NE 68803, Facility

Size: 253,358 sq. ft

Performance Work Period of Performance: 03/30/2026 – 05/31/2026

Performance Work Statement Scope

This Scope of Work (SOW) defines the labor, materials, equipment, coordination, and testing required to replace 3/4-inch copper chilled water (CHW) supply and return branch piping serving fan coil units

(FCUs) in twenty (20) rooms of an occupied hospital, install dedicated flushing valves at each FCU, install an inline bag filter system in the chiller plant, replace a pressure relief valve (relief valve) and install an automatic air vent on the 6th-floor main CHW loop, and perform a full-system flush upon completion.

Services

• Restore reliable, leak-free CHW piping from the main supply/return header(s) to FCUs serving 10 rooms.

• Provide permanent flushing points on both CHW supply and return at each FCU to support maintenance and commissioning.

• Improve debris capture during system flushing via an inline bag filter assembly installed in the chiller plant.

• Replace the 6th-floor main-loop pressure relief valve (75 psi set pressure, or as specified by the

Engineer/Owner) and install a new automatic air vent at the designated high point.

• Flush, clean, and return the CHW system to service with documentation of completion.

Detailed Services Pre-Construction, Submittals, and Coordination

• Perform a field walk with VA HVAC team to confirm plan, tie-in locations at the room on the

CLC for the supply and return headers, FCU connection points, and work boundaries for all ten rooms.

• Develop a phasing/shutdown plan identifying isolation points, drain locations, anticipated downtime, and sequence of work to minimize impact to patient care areas.

• Submit product data and cut sheets for all major components (copper pipe and fittings, insulation, flushing valves, bag filter housing and filter bags, relief valve, automatic air vent.

• Obtain and comply with required permits and VA hospital procedures and policies. (ICRA, hot work, lockout/tag/out, above-ceiling work permits, etc.)

• Coordinate with the owners water treatment vender regarding flushing, cleaning chemicals and final water quality requirements for the VA facility.

Isolation, Drain Down, and Temporary Protections

Identify and operate existing isolation valves to isolate work areas. Verify valve operability; if a valve does not fully isolate, immediately notify the Owner for direction.

• Drain the isolated piping sections as required. Provide hoses, containment, and spill protection to prevent water damage to hospital finishes and spaces below.

• Install temporary barriers, floor protection, and dust control measures as required by the hospital’s infection control procedures.

Demolition / Removal of Existing Piping

• Remove existing 3/4-inch copper CHW supply and return branch piping from the main header(s) to each FCU serving the ten rooms listed in Section 4, within the defined limits of work.

• Remove associated fittings, hangers, and insulation within the work limits as required to complete the replacement.

• Cap/plug open piping ends during demolition to prevent debris entry into the CHW system.

• Dispose of removed materials in accordance with hospital requirements and all applicable regulations

Installation of New 3/4-inch CHW Supply and Return Piping

• Furnish and install new 3/4-inch copper CHW supply and return piping (Type L unless otherwise required by project specifications or Owner standards), including all necessary fittings and connections.

• Complete joints using brazing appropriate for hydronic service; nitrogen purge is required during brazing to minimize internal oxidation/scale.

• Provide new pipe supports/hangers as required and restore/replace insulation to match existing thickness and vapor barrier requirements for chilled water service.

• Label piping per Owner standards and applicable codes (flow direction, service, and identification at accessible locations).

• Reconnect to FCU coil connections and verify proper alignment to prevent stress on coil connections.

Flushing Valves at Each FCU (Supply and Return)

• Install dedicated flushing valves on both the CHW supply and CHW return line at each FCU (two valves per FCU; twenty total for ten FCUs) unless otherwise directed.

• Valves shall be full-port ball valves with hose-end/drain connection and cap (or equivalent flushing station), installed in an accessible location for maintenance.

• Provide signage or tagging at each flushing point identifying Supply Flush and Return Flush.

Inline Bag Filter System in Chiller Plant

• Furnish and install an inline bag filter assembly in the chiller plant on the main CHW loop (exact location to be coordinated with the Owner).

• Filter system must include magnetic separation. This can be accomplished by using either magnetic rods or baskets within the filter housing, or by using a pre-separator component ahead of the cartridge filter housing.

• Provide isolation valves as required for servicing the bag filter housing and/or for temporary bypass during normal operation if specified by the Engineer/Owner.

• Provide differential pressure indication across the filter (gauge ports or DP gauge) to monitor loading.

• Supply an initial set of filter bags appropriate for construction debris capture and final cleaning

(micron rating(s) as specified by the Engineer/Owner or water treatment vendor).

• Confirm the bag filter system is compatible with system flow, temperature, and pressure conditions.

6th Floor: Pressure Relief Valve and Automatic Air Vent

• On the 6th-floor main CHW loop, remove the existing pressure relief valve and furnish/install a new pressure relief valve with a 75psi set pressure (or as specified), sized for the connected system and compliant with applicable code requirements.

• Provide discharge piping from the relief valve outlet to an approved location as required by code and

Owner standards, including support and termination to a safe drain or containment point.

• Install a new automatic air vent at the designated high point on the 6th-floor main CHW loop

(location to be verified in the field). Provide an isolation valves and a method of safe discharge/containment if required by the Owner.

• After installation, verify proper orientation and operation of the air vent and confirm the relief valve is installed correctly and is accessible for inspection.

Pressure Testing, System Restoration, and Full-System Flush

• Pressure test newly installed piping and modified sections of the CHW system in accordance with project specifications and applicable codes. Repair leaks and retest until acceptance is achieved.

• Refill and vent the isolated sections, restoring the system to an operational state prior to flushing activities as required to maintain pump protection and proper circulation.

• Perform a full-system CHW flush utilizing the new FCU flushing valves and the inline bag filter system to capture debris. Flushing sequence shall be coordinated with the Owner to avoid disruption to critical areas.

• Replace/clean bag filter elements as needed during flushing based on differential pressure and observed debris load.

• After flushing, bleed air from the system, confirm stable loop pressures and temperatures, and verify there are no active leaks.

• Coordinate with the Owner’s water treatment vendor to restore chemical treatment and verify water quality targets (if applicable).

• Daily coordination and outage notifications per hospital requirements.

• Material submittals and cut sheets for installed components.

• Pressure test documentation (test method, pressure, duration, results).

• Flushing documentation including dates/times, filter bag changes, and observations (debris load, differential pressure trends).

• Marked-up as-built sketch or redline drawings showing routing changes, flushing valve locations, bag filter location, and relief valve/air vent installation points.

• O&M manuals for bag filter housing, relief valve, and automatic air vent, including spare parts and recommended maintenance intervals.

• Final area cleanup and ceiling/finish restoration within work limits.

Quality, Codes, and Standards

• All work shall comply with applicable federal, state, and local codes and ordinances, including applicable mechanical and plumbing codes and building services piping standards (e.g., ASME B31.9 where adopted).

• Materials and installation practices shall follow manufacturer instructions and hospital standards.

• Infection Control Risk Assessment (ICRA) requirements shall be followed for work in or adjacent to patient care spaces.

• Contractor shall maintain system cleanliness: cap open pipe ends, keep materials clean and dry, and prevent debris from entering the CHW system.

Safety and Infection Control Requirements

• Comply with all hospital safety policies, including badge/escort requirements, PPE, and work-hour restrictions.

• Hot work (brazing) requires hospital hot work permits, fire watch, and fire protection measures.

Provide fire blankets and protect adjacent materials.

• Maintain negative air, dust barriers, and debris control as required by ICRA. No uncontrolled dust generation is permitted.

• Implement lockout/tagout and verify isolation prior to cutting into live systems.

• Maintain clear egress and protect patients, staff, and sensitive equipment from noise, vibration, odors, and fumes.

Assumptions

• Existing isolation valves required for work are functional and capable of providing complete isolation. Any failed valves, if discovered, are excluded and will be addressed via change order or

Owner direction.

• No hazardous materials abatement (e.g., asbestos-containing insulation) is included unless specifically noted. If suspect materials are encountered, stop work and notify the Owner.

• Adequate access to piping and FCUs (above ceiling, behind access panels, etc.) will be provided by the Owner and/or within normal work constraints.

• Any required building automation/control modifications are excluded unless explicitly authorized.

Site Conditions and Constraints

• Work will occur in an occupied hospital environment. Contractor shall coordinate all activities with the Owner/Facilities team and comply with hospital safety, infection control, and permit requirements

(e.g., ICRA, hot work permits, lockout/tagout).

• Access may require after-hours work, ceiling access, or corridor protection measures to maintain patient and staff safety and to minimize noise, odor, and dust.

• All tie-ins to active hydronic systems require scheduled shutdown windows, isolation, draining, and controlled refilling/venting to prevent unplanned outages.

• Contractor shall verify existing piping routing, valve locations, FCU tags, and header connection points prior to fabrication and installation.

Rooms / FCUs Included

Room # Supply Line Return Line Comments

N302 Plugged Plugged Was unable to flush

N303 Plugged plugged [Notes]

N304 Plugged Plugged [Notes]

NW303 Restricted Flushed [Notes]

NW304 Flushed Plugged [Notes]

NW307 Plugged Plugged [Notes]

NW309 Plugged Plugged [Notes]

8-20 TBD

Contracting Officer Representative / Technical Representative Contact Information

1. William Sis, William.sis@va.gov, 308-392-8344

2. Mitchell Doht mitchell.doht@va.gov, 308-339-9120

Work Hours Expected

The contractor shall limit all patient or staff impacts by phasing work during or after hours. Normal business hours are 0730-1600. Should services provided not impact patient or staff services work can be performed during normal business hours. Questions on local facility impacts and work proposed by the contractor shall be directed to the contracting officer representative for approval of work to be performed during or after hours.

General Requirements

Shall contractors work involve any of the below the stated requirement shall be met.

All work shall comply with the most recent edition of USACE EM 385-1-1, comply with 29 CFR 1926, comply with 29 CFR 1910 as incorporated by reference within 29 CFR 1926, comply with ASSP A10.34, and all applicable federal, state, and local laws, ordinances, criteria, rules and regulations. Submit matters of interpretation of standards for resolution before starting work. Where the requirements of this specification, applicable laws, criteria, ordinances, regulations, and referenced documents vary, the most stringent requirements govern except with specific approval and acceptance.

All electrical work shall comply with VHA Directive 1028, NFPA 70 (NEC), NFPA 70B, NFPA 70E, 29

CFR Part 1910 Subpart J – General Environmental Controls, 29 CFR Part 1910 Subpart S – Electrical, and 29 CFR 1926 Subpart K.

All installation, maintenance, and servicing of equipment or machinery shall comply with 29 CFR

1910.147 except for specifically referenced operations in 29 CFR 1926

All hot work shall be safeguarded in accordance with NFPA 241 and NFPA 51B. Hot work permits shall be issued daily for work in accordance with local policy.

All confined space entry shall comply with 29 CFR 1926, Subpart AA except for specifically referenced operations in 29 CFR 1926.

All floor and wall openings shall comply with 29 CFR 1926 Subpart M and EM 385-1-1.

All crane work shall comply with 29 CFR 1926 Subpart CC and EM 385-1-1. Crane lift plans shall be reviewed and approved by the contracting officer representative prior to work

The fall protection (FP) threshold height requirement is 4ft for ALL WORK in government occupied sites, unless the OSHA 29 CFR 1926 or EM 385-1-1 requirements are more stringent. All work at or above this threshold shall meet OSHA or EM 385-1-1 whichever is more stringent.

Contractor shall maintain free and unobstructed access to facility emergency services and for fire, police and other emergency response forces in accordance with NFPA 241

Contractor shall follow OSHA standard 1926.405(a)(2)(i) when applicable which states temporary wiring shall be removed immediately upon completion of construction or the purpose for which the wiring was installed.

mailto:William.sis@va.gov mailto:mitchell.doht@va.gov

Government Furnished Property or Space

The contractor will not be provided government furnished property. Contractor equipment shall be removed or approved on a case by case basis by the contracting officer representative. The government is not liable for theft or security of such equipment if approved.

The contractor will be responsible for keeping a reasonably clean (free of miscellaneous debris) working environment. Failure to do so on a continuous basis shall result in the contractor being back charged for cleaning services.

Job Hazard Analysis

Shall any of the below hazards be expected or present themselves during the work, an activity hazard analysis also known as a job hazard analyses, job safety analyses and activity safety analyses shall be performed meeting all of the requirements from the below. Deviations will be only be approved by the contracting officer.

Job Site Risks associated with the below

1) Emergency response;

2) Contingency for severe weather;

3) Fire Prevention;

4) Medical Support;

5) Posting of emergency telephone numbers;

6) Prevention of alcohol and drug abuse;

7)

Site sanitation (housekeeping, drinking water, toilets);

8) Night operations and lighting;

9) Hazard communication program;

10) Welding/Cutting “Hot” work;

11)

Electrical Safe Work Practices (Electrical

LOTO/NFPA 70E);

12) General Electrical Safety;

13) Hazardous energy control (LOTO);

14) Site-Specific Fall Protection & Prevention;

15) Excavation/trenching;

16) Asbestos abatement;

17) Lead abatement;

18) Crane Critical lift;

19) Respiratory protection;

20) Health hazard control program;

21) Radiation Safety Program;

22) Abrasive blasting;

23) Heat/Cold Stress Monitoring;

24) Crystalline Silica Monitoring (Assessment);

25)

Demolition plan (to include engineering survey);

26) Formwork and shoring erection and removal;

27) Pre-Cast Concrete;

28)

Public (Mandatory compliance with

ANSI/ASSP A10.34-2012);

29) Sub-contractor or cross-trade coordination;

Before beginning each work activity involving a type of work presenting hazards not experienced in previous project operations or where a new work crew or sub-contractor is to perform the work, the

Contractor(s) performing that work activity shall prepare an AHA (Example electronic AHA forms can be found on the US Army Corps of Engineers web site)

AHAs shall define the activities being performed and identify the work sequences, the specific anticipated hazards, site conditions, equipment, materials, and the control measures to be implemented to eliminate or reduce each hazard to an acceptable level of risk.

Work shall not begin until the AHA for the work activity has been accepted by the Contracting Officer

Representatives and discussed with all engaged in the activity, including the Contractor, subcontractor(s), and Government on-site representatives at preparatory and initial control phase meetings.

The names of the Competent/Qualified Person(s) required for a particular activity (for example, excavations, scaffolding, fall protection, other activities as specified by OSHA, EM 385-1-1, or other

State and Local agencies) shall be identified and included in the AHA. Certification of their competency/qualification shall be submitted to the contracting officer representative for acceptance prior to the start of that work activity.

The AHA shall be reviewed and modified as necessary to address changing site conditions, operations, or change of competent/qualified person(s).

If more than one Competent/Qualified Person is used on the AHA activity, a list of names shall be submitted as an attachment to the AHA. Those listed must be Competent/Qualified for the type of work involved in the AHA and familiar with current site safety issues.

If a new Competent/Qualified Person (not on the original list) is added, the list shall be updated (an administrative action not requiring an updated AHA). The new person shall acknowledge in writing that he or she has reviewed the AHA and is familiar with current site safety issues.

Submit AHAs to the contracting officer, primary contracting officer representative and alternate contracting officer representative. Included with AHA’s for any electrical work shall include a contractor provided simplified one line diagram indicating all potential power sources and after work ensuring corrections to such diagram occur.

Deliverables

The contractor shall provide inspection, and testing documentation no later than 7 business days following the onsite services. At a minimum they shall provide the manufacturer’s recommendations, the servicing performed, the results of such servicing and the technician who performed the work. Delays in contractor reporting will result in deductions of the approved invoice. This is to include contractor’s failure to report clearly and precisely the above requirements. Documents shall be provided in a pdf form with standardized labeling to include the equipment with unique model numbers, location, frequency period, general description of inspection or maintenance performed.

Schedule

Changes to this schedule shall be communicated to the Contracting Officer, primary and alternate contracting officer representatives immediately.

Due to the continuous operations of the hospital and sensitive populations served, all equipment or utility outages shall be communicated to the contracting officer, primary and alternate COR for VA approval.

The contractor shall build time for the VA to receive adequate approvals for such outages into their schedule and be prepared to work outside of normal business hours to accomplish any outages to limit impact to the patients, staff and visitors of the NWIHCS.

Attachment 1: Performance Requirements Summary (PRS)

Required Services Performance Standards AQL Method of Surveillance Disincentive

Work Management submit reports within time window specified in deliverables section of PWS in a format that meets the minimum requirements

Files review, periodic and random observations, complaints

$1000 for each documented instance, $500 for each week uncorrected

Administrative Services Ensure visitor log entries are complete, and 100 Files review, periodic and $1000 for each documented instance

Facilities Services

Test, certify, inspect and/or service equipment listed in PWS as required per manufacturer's recommendations or regulations stated in the

PWS

Files review, periodic and random observations, complaints

$1000 for each documented instance, $500 for each week uncorrected

Questions for Replacement of Chilled Water Piping Replace CLC N Side service for VA

Nebraska-Western Iowa Health Care System

• Would a side stream chilled water filter be considered as an alternate?

o Government Answer: For preliminary design and estimating purposes, we planned for a side stream filter to collect suspended material in our chilled water system. A

Wessels WesFlo 4NCF11-3-3F stainless steel filter housing, 3” flange, holding 11 –

30” long cartridge filters, with a capacity of 165gpm, and a maximum operating pressure of 150psi, with 11 DW Series precision wound filter cartridges (and 11 spare cartridges). An equivalent bag filter system would be acceptable. The filter and piping will all be insulated.

• What are the chilled water system design flow rate requirements of the inline chilled water filter?

o Government Answer: 165gpm or better, 150psi max.

• What final micron rating is desired for the filter media?

o Government Answer: 2 full sets of 1 micron filter cartridges were used in preliminary design.

• Is sufficient downtime allowed for installation of an inline filter? The whole chilled water system may be offline for more than 2 days.

o Government Answer: Close coordination with VA will be required, but yes, we will make all necessary arrangements for completion of the project.

• Is the full system flush for the each leg of the chilled water system in each hospital room and every floor, or just for the disturbed piping?

o Government Answer: The intent of this project is to completely flush and treat the entire 3rd floor chilled water system, including all fan coil units, after new piping is completed. Only 3rd floor will be flushed with this project.

• Can flushing be performed using existing hospital sanitary drains?

o Government Answer: Yes.

• Is it assumed that all sanitary drains are properly functioning?

o Government Answer: VA will help locate proper drains.

• Are the 20 rooms grouped together in one section of the hospital or spread out in individual areas?

o Government Answer: Rooms are all on 3rd floor. 10 total rooms in the south wing and 10 total rooms in the north wing. They are mostly in clusters of a few rooms.

• Does this project replace chilled water header piping down the hallways?

o Government Answer: No. We are only replacing plugged branch piping (from hallway header pipe to fan coil unit), both supply and return lines, above the drop ceilings in 20 patient rooms.

• Q2: Does the drop ceiling stay in place?

o Government Answer: Yes. Drop ceilings remain. Any damage to the drop ceilings will be repaired by the contractor.

• Q3: Does the new piping need to be insulated?

o Government Answer: Yes

• Q4: Can pro-press fittings be used for the new copper piping?

o Government Answer: No. All joints to be soldered.

• Q5: What are the monitoring requirements for a hot-work permit?

o Government Answer: Notification to Engineering Department 30 minutes prior. Fire watch, by contractor, for a minimum of one hour after completion of hot work. Must follow NFPA hot-work standards.

• Q6: Are all the patient rooms that require piping replacement unoccupied?

o Government Answer: The 10 patient rooms with plugged piping at the north end of the hospital are currently unoccupied. They will remain unoccupied through at least

April 15. The 10 patient rooms at the south end are currently occupied. VA plans to move patients from the south end to the north end as needed to facilitate work phases. Close coordination with VA will be required as the project progresses.

• Q7: Is flushing of each individual fan coil unit required?

o Government Answer: Yes. The intent of this project is to completely flush and treat the entire chilled water system, including all fan coil units, on 3rd floor after new piping is completed.

• Q8: What size are header and branch pipes?

o Government Answer: 2” and ¾” copper piping.

• Q9: How many fan coil units are on 3rd floor?

o Government Answer: Approximately 70, with 20 of them being re-piped.

• Q10: Is there an extended warranty period for the flushing and treating?

o Government Answer: No. The intent of the project is a thorough, one-time flush and treat of the third-floor chilled water system. No follow-up treatments are expected or required by this contract.

• Q11: What chemicals or treatment is required when refilling the chilled water system?

o Government Answer: The company that provides our water treatment is Advanced

Water Company, Inc. Our account manager there is Dustin Paczosa. 402-270-

5584. dpaczosa@advancedwatercompany.com.

• Q12: What are you looking for with your bag filter? Can you provide specs?

o Government Answer: For preliminary design and estimating purposes, we planned for a side stream filter to collect suspended material in our chilled water system. A

Wessels WesFlo 4NCF11-3-3F stainless steel filter housing, 3” flange, holding 11 –

30” long cartridge filters, with a capacity of 165gpm, and a maximum operating pressure of 150psi, with 11 DW Series precision wound filter cartridges (and 11 spare cartridges). An equivalent bag filter system would be acceptable. The filter and piping will all be insulated.

• Q13: On what size pipe is the bag filter being installed?

o Government Answer: The bag filter will be installed on a 10” black pipe.

• Q14: Will the control valves need to be entirely replaced?

o Government Answer: No. Replacing only the valve packs will be acceptable. Actuators, if they are functioning properly, can be reinstalled.