36C24626Q0569 0001.docx

36C24626Q0569

5. PROJECT NUMBER (if applicable)

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8. NAME AND ADDRESS OF CONTRACTOR

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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

E. IMPORTANT:

is extended,

(a) By completing Items 8 and 15, and returning __________ copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted; or (c) By separate letter or electronic communication which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY is not extended.

12. ACCOUNTING AND APPROPRIATION DATA

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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

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

RESULT IN REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by letter or electronic communication, provided each letter or electronic communication makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER

Contractor

16C. DATE SIGNED

14. DESCRIPTION OF AMENDMENT/MODIFICATION

16B. UNITED STATES OF AMERICA

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.

15A. NAME AND TITLE OF SIGNER

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Prescribed by GSA - FAR (48 CFR) 53.243 (Type or print) (Type or print) (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

(Number, street, county, State and ZIP Code) (If other than Item 6) (Specify type of modification and authority) (such as changes in paying office, appropriation date, etc.)

(If required)

(SEE ITEM 11)

(SEE ITEM 13)

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

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

(Signature of person authorized to sign) (Signature of Contracting Officer) 07-21-2026 Department of Veterans Affairs Network Contracting Office 6 100 Emancipation Drive Hampton

VA

23667 Department of Veterans Affairs Network Contracting Office 6 100 Emancipation Drive Hampton

VA

23667 To all Offerors/Bidders

36C24626Q0569

X X X ** HOUR & DATE for Receipt of Offers is EXTENDED to: 07-31-2026 12pm EDT See CONTINUATION Page X The purpose of this amendment is to extend the deadline for quote submission, provide government answers to contractor questions, update Sections B.2 Price/Cost Schedule & B.3 PWS, and provide the Gas Monitoring Plan sheet.

a. The deadline for quote submission is hereby changed from 6/5/2026 12pm et. to 7/31/2026 12pm et.

b. Government answers to contractor questions are attached on page 2.

c. Section B.2 Price/Cost Schedule is updated and attached on page 4.

c. Section B.3 Performance Work Statement (PWS) is updated and attached on page 6.

d. A copy of the Phase IB Gas Monitoring Plan sheet is attached on page 7.

There are no other changes to this solicitation as a resultof this amendment.

Harold McQuillia Contracting Officer

CONTINUATION PAGE

GAS MONITORING PROJECT 36C24626Q0569 RFQ QUESTIONS

1. Could you please provide a copy of the Phase IB Gas Monitoring Plan sheet, along with the landfill site plan which shows the locations of the landfill gas monitoring wells? See attached drawing updated on June 1, 2026.

2. The B2 Price / Cost Sheet (CLIN 001, 1001, etc.) requests pricing for monthly landfill gas monitoring for 7 wells and 1 manhole, however item 2 in B.3 Performance Work Statement says to measure %methane and %LEL at 8 landfill gas monitoring wells and 7 nearby structures quarterly. Can you please clarify the intervals of sampling (weekly, monthly, quarterly) and the types of locations to conduct the air monitoring? The last quarterly test included wells: 1, 2B, 3, 4A, 5B, 6A, and 7A for a total of seven (7) wells. It also included testing Landfill Structure Gas Monitoring Points: B-147, B-46, B-97, B-117, and B-35 for a total of five (5). The Stormwater Grate (“manhole”) was buried over and not tested, and Building 34 was condemned in the Spring and is not safe for entry. FMS will uncover the stormwater grate so that a total of six (6) structures must be tested. The requirement is for quarterly testing; however, due to the prior measured exceedances, the VA was required to test weekly. The weekly testing is no longer required and the remaining requirement (additional to quarterly) is for monthly testing of 3 wells. Therefore, we need a price for both quarterly testing and monthly testing. If the tests results are within acceptable limits for three consecutive months, the VA can petition to go back to quarterly testing. If not, monthly testing will continue unless the failure is above the LEL, in which case the testing could go revert to weekly.

The CLIN 002, 1002, etc. series includes 48 weeks of weekly sampling, however there are no details about the weekly sampling scope / requirements. Can you please clarify what the sampling is for? Weekly testing is no longer required, and the statement of work has been amended to include monthly monitoring at 3 landfill gas wells.

The parameters to be monitored during monthly sampling; “The environmental testing firm will measure the %CH4 (methane) and %LEL (lower explosive limit) at three (3) Landfill Gas Monitoring Wells LGW-1, 6A, and 7A).

3. Section B.3 (Performance Work Statement) states that, in addition to monitoring eight (8) landfill gas monitoring locations, the contractor shall measure %LEL at seven (7) nearby structures (Buildings 34, 35, 46, 97, 117, 147, and a storm drain manhole). Can the Government confirm that monitoring of these seven (7) structures is required as part of the base contract scope and should be included in the contractor's pricing? The requirement is for seven (7) wells and six (6) structures now that Building 34 has been condemned and no access is permitted.

4. CLIN 0001 is identified as "12 Months" for onsite environmental services to conduct landfill gas monitoring for seven (7) wells and one (1) manhole.

However, the Performance Work Statement describes quarterly monitoring of the wells and manhole, monthly monitoring of well LGW-5s, and weekly sampling requirements for continued compliance with Virginia DEQ requirements.

Can the Government clarify the intended pricing methodology for CLIN 0001 and confirm whether the quantity of twelve (12) months is intended to encompass:

0. Four (4) quarterly monitoring events; The vendor must provide a cost for quarterly testing and reporting, a minimum of four (4) tests.

0. Twelve (12) monthly monitoring events for LGW-5s; The vendor must provide a cost for up to eight (8) monthly tests (four (4) tests are included in the quarterly testing requirement, the 8 are for months when no quarterly sampling is performed). The VA intends to petition the VDEQ to return to quarterly testing if the test results from three consecutive monthly tests prove compliant for that option.

0. Weekly sampling activities; or Weekly testing is not required at this time.

0. Another pricing structure? None.

5. The Price Schedule includes CLIN 0002 for forty-eight (48) weeks of sampling, and the PWS references weekly visits required to maintain compliance with Virginia DEQ requirements.

Can the Government provide additional information regarding:

0. The specific locations to be sampled weekly; See attached drawing. Wells: 1, 6A, and 7A for monthly testing.

0. The parameters to be monitored during weekly sampling; “The environmental testing firm will measure the %CH4 (methane) and %LEL (lower explosive limit) at three (3) Landfill Gas Monitoring Wells.

0. Whether weekly sampling is expected for the entire period of performance regardless of monitoring results; and No. Weekly testing is not required at this time. Monthly sampling will be required for up to 6 months but may be eliminated if there are 3 consecutive monthly tests without exceedances. The VA intends to petition to return to quarterly testing from initial monthly testing when 3 consecutive results comply with VDEQ requirements/regulations. Be advised that this contract starts with monthly testing.

0. Whether weekly sampling is only required when gas monitoring results exceed established action levels.

6. The PWS states that the contractor shall update the Gas Well Remediation Plan and provide unit pricing for weekly and monthly visits when gas wells exceed allowable limits. Can the Government clarify whether the update of the Gas Well Remediation Plan is required as part of the base contract effort, and whether any historical remediation plan documentation will be provided to the successful contractor? Applicable plans will be provided to the successful contractor. The Gas Well Remediation Plan may require updates if conditions require the relocation of wells during the execution of the contract. Two (2) wells (6A & 7A) were recently relocated in Spring 2026.

7. The PWS references a Phase IB Gas Monitoring plan sheet, a landfill site plan showing LGW locations, and an existing Gas Well Remediation Plan to be updated. We could not locate these documents in the solicitation package. See attached drawing updated on June 1, 2026.

8. For reporting, are the monthly and weekly sampling results submitted separately, or are they consolidated into the quarterly report? Also, should the contractor submit reports directly to Virginia DEQ, or will the VA submit them after contractor delivery? Please also confirm if there is a required VA or DEQ report format/template.

The contractor submits the test results directly to the VDEQ and the VA in the same email on a template currently and historically used. The vendor is also required to send a hard copy of the reports to the local VDEQ office. For the quarterly test results, the email and documentation are labeled with “quarterly”. For not less than the first three (3) months of the contract, the vendor will provide monthly test results to all concerned parties after which the VA will petition VDEQ to return to quarterly testing. The contractor shall submit test reports as they occur and not consolidate them for single submission.

9. For pricing the weekly sampling under CLIN 0002, could the Government provide the historical number of weeks weekly sampling was actually performed during the prior contract period(s)? Weekly testing is no longer required. Please see previous answers for monthly testing requirements.

A.1 PRICE/COST SCHEDULE

ITEM INFORMATION

Onsite environmental services to conduct landfill gas monitoring in accordance with the PWS.

Contract Period: Base POP Begin: 09-01-2026 POP End: 08-31-2027 PRINCIPAL NAICS CODE: 541330 - Engineering Services PRODUCT/SERVICE CODE: F108 - Environmental Systems Protection - Environmental Remediation

Quarterly testing and reporting, a minimum of four (4) tests.

Contract Period: Base POP Begin: 09-01-2026 POP End: 08-31-2027

Onsite environmental services to conduct landfill gas monitoring in accordance with the PWS.

Contract Period: Option 1 POP Begin: 09-01-2027 POP End: 08-31-2028

Quarterly testing and reporting, a minimum of four (4) tests.

Contract Period: Option 1 POP Begin: 09-01-2027 POP End: 08-31-2028

Onsite environmental services to conduct landfill gas monitoring in accordance with the PWS.

Contract Period: Option 2 POP Begin: 09-01-2028 POP End: 08-31-2029

Quarterly testing and reporting, a minimum of four (4) tests.

Contract Period: Option 2 POP Begin: 09-01-2028 POP End: 08-31-2029

Onsite environmental services to conduct landfill gas monitoring in accordance with the PWS.

Contract Period: Option 3 POP Begin: 09-01-2029 POP End: 08-31-2030

Quarterly testing and reporting, a minimum of four (4) tests.

Contract Period: Option 3 POP Begin: 09-01-2029 POP End: 08-31-2030

Onsite environmental services to conduct landfill gas monitoring in accordance with the PWS.

Contract Period: Option 4 POP Begin: 09-01-2030 POP End: 08-31-2031

Quarterly testing and reporting, a minimum of four (4) tests.

Contract Period: Option 4 POP Begin: 09-01-2030 POP End: 08-31-2031

B.3 PERFORMANCE WORK STATEMENT (PWS)

1) General Statement: The Salem VAHCS requires onsite environmental services to conduct landfill gas monitoring. Per 9VAC 20-81-200 of the Virginia Solid Waste Management Regulations and permit SWP 362 at the Salem VA Medical Center Landfill. Quarterly testing of 7 wells, 5 structures and one manhole will be required. In addition, monthly testing of wells LGW-1, 6A, and 7A will be required for up to 6 monthly events (i.e. months without a quarterly sampling event) to comply with Virginia Department of Environmental Quality (DEQ).

2) Workmanship: Defining Services: The Salem VAHCS requires the services of an experienced and qualified environmental testing services firm to perform quarterly landfill gas well monitoring in compliance with 9VAC 20-81-200 of the Virginia Solid Waste Management Regulations and permit SWP 362 at the Salem VAMC Landfill. The environmental testing firm will measure the %CH4 (methane) and %LEL (lower explosive limit) at seven (7) Landfill Gas Monitoring Wells and one manhole. The %LEL shall also be measured at six (6) of our nearby structures: Building No. 35, 46, 97, 117, 147 & Storm Drain manhole. The readings shall be taken using a portable gas monitor which is field calibrated to methane per the manufacturer instructions prior to the monitoring event. The vendor will submit quarterly reports of the test results to the COTR and to the following address: Virginia DEQ; 901 Russel Drive; Salem, VA 24153. A copy of our Phase IB Gas Monitoring plan sheet is provided as well as the landfill site plan which shows the Landfill Gas Monitoring Well (LGW) locations. Contractor shall also update the Gas Well Remediation Plan and provide unit pricing to be used for monthly visits to measure, and report results for the 3 testing wells listed above to comply with permit issued by Virginia DEQ when gas wells exceed allowable limits.

3) Scheduling: Contractor shall perform testing and inspections during normal business hours (8:00AM to 4:30PM Monday through Friday except federal government holidays). The vendor has the responsibility for “Duty to Report” any Fraud, Waste and Abuse witnessed while on VA premises to the Integrity and Compliance.

4) Reports: This contract will also require completion and submission of a quarterly gas monitoring report to the DEQ, and the COR assigned to the contract. The contractor will also provide a monthly monitoring report for up to 12 months or until no longer required by VDEQ.

5) Inspector Qualifications: The Salem VAHCS requires the services of an experienced and qualified environmental testing services firm to perform quarterly landfill gas well monitoring in compliance with 9VAC 20-81-200 of the Virginia Solid Waste Management Regulations and permit SWP 362 at the Salem VAMC Landfill

6) Emergent on-Site consultation/inspections: Contractor shall facilitate prompt service and assist in emergent on-site consultations.

7) Security: Security certification and accreditation requirements do not apply. Security Accreditation Package is not required. All VA policies shall be followed, and the contractor shall not come into contact with VA sensitive information.

See attached document: Phase 1B Landfill Gas Monitoring Network_Redacted.

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