24Q6762-0002.pdf

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

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 (Type or print)

30-105-04EXCEPTION TO SF 30

APPROVED BY OIRM 11-84

STANDARD FORM 30 (Rev. 10-83) Prescribed by GSA

FAR (48 CFR) 53.243

To extend the date of the solicitaiton and update the Statement of Work.

1. CONTRACT ID CODE PAGE OF PAGES

J 1 4

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

16C. DATE SIGNED

BY 25-Apr-2024

16B. UNITED STATES OF AMERICA15C. DATE SIGNED15B. CONTRACTOR/OFFEROR

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

8. NAME AND ADDRESS OF CONTRACTOR (No., Street , County, State and Zip Code) X N0017824Q6762

X 9B. DATED (SEE ITEM 11)

04-Apr-2024

10B. DATED (SEE ITEM 13)

9A. AMENDMENT OF SOLICITATION NO.

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

X The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offer X is extended, is not extended.

Offer 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:

(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 telegram 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 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 telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

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

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

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.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(B).

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

D. OTHER (Specify type of modification and authority)

E. IMPORTANT: Contractor is not, is required to sign this document and return copies to the issuing office.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

10A. MOD. OF CONTRACT/ORDER NO.

2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO.(If applicable)

6. ISSUED BY

3. EFFECTIVE DATE

25-Apr-2024

CODE

NSWCDD 1

JESSICA B. GALLAGHER/026 17632 DAHLGREN RD.

DAHLGREN VA 22448

N00178 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

N0017824Q6762

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION A - SOLICITATION/CONTRACT FORM

The required response date/time has changed from 17-Apr-2024 12:00 PM to 26-Apr-2024 12:00 PM.

SECTION C - DESCRIPTIONS AND SPECIFICATIONS

The following have been modified:

STATEMENT OF WORK

SOUND TESTING OF NSWCDD SPACE

STATEMENT OF WORK (SOW)

1.0 BACKGROUND

The Naval Surface Warfare Center, Dahlgren Division, (NSWCDDD) has an existing vault that requires a sound level test report to be submitted to support an Authorization to Operate (ATO).

2.0 APPLICABLE DOCUMENTS

2.1 American Society for Testing and Materials (ASTM) E336 Standard Test Method for Measurement of Airborne Sound Attenuation between Rooms in Buildings, current version;

2.2 ASTM E413 Classification for Rating Sound Insulation, current version;

2.3 ASTM E966 Standard Guide For Field Measurements Of Airborne Sound Attenuation Of Building Facades And Façade Elements, current version;

2.4 ASTM E1332 Classification for rating outdoor indoor sound attenuation; and

2.5 Figure 1: Room 122

3.0 REQUIREMENTS

3.1 The Contractor shall provide each Contractor employee with the personal protective equipment required to do their job safely and in compliance with all applicable regulations.

3.2 The Contractor shall perform sound testing at eight (8) locations around the facility located in Dahlgren, VA as indicated in Figure 1.

3.3 The Contractor shall provide indoor room-to-room testing.

3.3.1 The Contractor testing shall be conducted in accordance with ASTM E336;

3.3.2 The Contractor shall provide one number ratings calculated in accordance with ASTM E413;

3.3.3 The Contractor shall report test results as Noise Isolation Class (NIC) values;

3.3.4 The Contractor shall report test results as apparent sound transmission class (ASTC) or normalized noise isolation class (NNIC) as allowed or required by the method;

3.4 The Contractor shall hold current ISO/IEC 17025 accreditation with American Association for Laboratory Accreditation (A2LA) for ASTM E336; and NOTE: Referring to Figure 1, room 122 will be unoccupied during the testing. The development lab, wiring closet at test point 4, and the computing lab all contain equipment that are noise sources. If the testing requires this equipment to be shut down, then testing would need to be coordinated for a weekend.

3.5 The Contractor shall provide outdoor to indoor testing

3.5.1 The Contractor shall conduct testing in accordance with ASTM E966;

3.5.2 The Contractor shall calculate one number ratings in accordance with ASTM E1332;

3.5.3 The Contractor shall report test results as Outdoor Indoor Noise Isolation Class (OINIC) values; and

3.5.4 The Contractor shall provide test results reported as apparent outdoor-indoor transmission class (AOITC) as allowed or required by the method.

3.6 The Contractor shall provide a final test report showing, at a minimum, the NIC or OINIC value measured at each location (CDRL A001).

3.6.1 The report shall include tabular and graphical summary results.

3.7 Optional follow-on testing of the same scope may be required. The Contractor shall provide a Not to Exceed value to account for up to three optional testing events.

*The Contractor shall not perform any services outside of the initial tests. If any additional tests are required, the Contractor shall submit a quote to the TPOC and Contracting Officer for approval and subsequent contract modification prior to completing the additional tests.

**The Government reserves the right to modify this contract at a later date to cover additional tests.

3.8 The Contractor shall coordinate with the technical point of contact (TPOC) listed below to complete this work.

4.0 SECURITY

The work to be performed under this contract is UNCLASSIFIED.

5 0 TRAVEL

The Contractor will be required to travel in performance of this contract. The number of trips and types of personnel traveling shall be limited to the minimum required to accomplish work requirements and shall be coordinated with the technical point of contact. All travel shall be conducted in accordance with the Federal Travel Regulations (FTR). The following travel is anticipated: Two personnel for three (3) days for initial test and three (3) days for each of three

(3) option tests to Dahlgren, VA.

6 0 TECHNICAL POINT OF CONTACT

Figure 1: Room 122

(End of Summary of Changes)