Sol_140P4226R0005_Amd_0005.pdf

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:

(a) By completing items 8 and 15, and returning 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 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.

E. IMPORTANT: is not is required copies to the issuing office.

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT 1. CONTRACT ID CODE

2. AMENDMENT/MODIFICATION NUMBER 3. EFFECTIVE DATE 4. REQUISITION/PURCHASE REQUISITION NUMBER 5. PROJECT NUMBER (If applicable)

7.ADMINISTERED BY (If other than Item 6) CODE

STANDARD FORM 30 (REV. 11/2016)

Prescribed by GSA FAR (48 CFR) 53.243

FACILITY CODE

9A. AMENDMENT OF SOLICITATION NUMBER

9B. DATED (SEE ITEM 11)

10A. MODIFICATION OF CONTRACT/ORDER NUMBER

10B. DATED (SEE ITEM 13)

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

The above numbered solicitation is amended as set forth in Item 14. is extended. is not extended.

12. ACCOUNTING AND APPROPRIATION DATA (If required) copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

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

IT MODIFIES THE CONTRACT/ORDER NUMBER AS DESCRIBED IN ITEM 14.

CHECK ONE A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT ORDER

NUMBER IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation data, 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)

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.

15C. DATE SIGNED

15A. NAME AND TITLE OF SIGNER (Type or print)

16C. DATE SIGNED

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

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

PAGE

6. ISSUED BY CODE

8. NAME AND ADDRESS OF CONTRACTOR (Number, street, county, State and ZIP Code) (X)

CODE

15B. CONTRACTOR/OFFEROR

(Signature of person authorized to sign)

16B. UNITED STATES OF AMERICA

(Signature of Contracting Officer)

Previous edition unusable

PAGESOF

Contractor

The hour and date specified for receipt of Offers to sign this document and return

Wendy De Leon

See continuation page

DOI, NPS, NERO & NER SOUTH MABO

National Park Service Northeast Regional Contracting South/Philadelphia MABO 1234 Market Street, 20th Floor Philadelphia PA 19107

PNC

140P4226R0005

05/06/2026

04/06/2026

1 4

CONTINUATION SHEET

REFERENCE NO. OF DOCUMENT BEING CONTINUED PAGES

NAME OF OFFEROR OR CONTRACTOR

SUPPLIES/SERVICES

(B)

UNIT

(D)

UNIT PRICE

(E)

AMOUNT

(F)

OPTIONAL FORM 336 (4-86)

Sponsored by GSA FAR (48 CFR) 53.110

ITEM NO.

(A)

QUANTITY

(C)

NSN 7540-01-152-8067

140P4226R0005/0005

Amendment issued as follows:

A. Extend the solicitation closing date from

05/11/2026 at 1700 ED to 05/22/2026 at 1700

ED.

B. Answer questions received after the site visits (See

B08_Attachment_10_140P4226R0005_Q_A_Document_IND

E responses)

C. Edit solicitation section C to remove optional line items that are no longer needed

(see the continuation pages of this amendment).

D. Edit solicitation section L to remove one requirement from technical factor 3 that is no longer needed (see the continuation pages of this amendment).

E. Provide a pdf document containing attic photos and a photo key plan. This is intended to provide an overview of access limitations in the attic space. (See B08_Attachment_11_Photo

Key_Attic Plan+Photos_flat)

F. Provide copies of the site visits sign-in sheets (see

B08_Attachment_12_2026-04-14_Congress Hall

Masonry_Prebid site visit and

B08_Attachment_13_2026-04-24_Congress Hall

Masonry_Prebid site visit)

Period of Performance: 09/15/2026 to

01/05/2028

POC Holly Boyer holly_boyer@nps.gov

267-234-3344

SECTION C – SPECIFICATIONS/DRAWINGS

Project Location: Independence National Historical Park, Congress Hall, S 6th Street and Chestnut Street, Philadelphia, PA 19106 project description:

This project will include the following but is not limited to performing chimney scoping assessment of flues at Chimney 1 and 2. Removal and reinstallation of chimney caps.

Reinforcing Chimney 1 and Chimney 2, performing internal flue repairs to stabilize the existing masonry below the roofline utilizing light-weight cast-in-place cementitious flue lining methods for Chimney 1 and 2. Assume base grouting depth to be seven (7) feet below the roofline. Adding vent tubes to all six chimneys and repointing all six chimneys.

Work on east side of the building to be performed with scaffolding. Work on west side of the building to be performed with a lift. Also includes gutter correction and internal grouting of four chimneys.

There are two optional line items

1. Additional Masonry Repair.

2. Unit Price for Internal Grouting

Specifications and drawings are attached and incorporated herein by reference.

Refer to section J.

SECTION L – INSTRUCTIONS, CONDITIONS AND NOTICES TO

OFFERORS

Instructions for the Submission of Offers and Other Information – Competitive Source Selection

PARAGRAPH E. 3.

FACTOR 3 – PROPOSED PERSONNEL AND QUALIFICATIONS

Demonstrated/documented level of experience of the Offeror and key personnel / sub-contractors with similar work, specifically the conservation of historic masonry, and cutting out and re-pointing of failed mortar using hand tools.

Offeror shall provide the qualifications for all proposed in-house and Subcontractor personnel. Qualifications shall be presented in resume or written narrative that demonstrates education, relevant credentials, skills, training, and years of professional experience similar to the assigned roles for this project.

a) Construction Personnel – Project Manager, On-Site Superintendent, Quality Control, Site Safety and Health Officer. If one individual will serve in multiple roles, identify all of the proposed roles and functions that individual will perform. Identify the extent of the capabilities and experience for each individual in their proposed roles and previous work experience working with proposed subcontractors. Include relevant safety training and certifications. The Project Manager and on-Site Superintendent are identified as Key Personnel.

b) Historic Masonry: Qualifications of proposed restoration specialists (masons) demonstrating specific training and experience in historic masonry conservation, including expertise in reattaching incipient spalls with conservation-grade adhesive grout, repairing cracked masonry units with compatible restoration repair mortar, and repointing failed mortar using hand tools, as evidenced by resumes or narratives detailing relevant credentials and past projects.

c) Chimney Flue Lining: Documentation of qualifications for key personnel or subcontractors specializing in chimney flue lining and stabilization, showcasing relevant training, certifications, or professional experience in installing or repairing flue liners (e.g., stainless steel or cast-in-place) and stabilizing historic chimneys, ensuring compliance with fire safety and historic preservation standards.

Submit the attached "Personnel Resume Template” or similar for each key personnel.

Sponsored by GSA FAR (48 CFR) 53.110

SECTION C – SPECIFICATIONS/DRAWINGS