Sol_140P4325R0014_Amd_0001.pdf

(x)

140P4325R0014 x x

1 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 ACKNOWLEDGEMENT 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.

x

Boston MA 02129-4543

PNN

Building I-1 Charlestown Navy Yard Boston National Historical Park

NPS, NER - NE MABO

05/02/20250001

13. THIS ITEM ONLY APPLIES TO MODIFICATION OF CONTRACTS/ORDERS. IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

12. ACCOUNTING AND APPROPRIATION DATA (If required) is not extended.is extended, Items 8 and 15, and returning

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

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

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

FACILITY CODE CODE

10B. DATED (SEE ITEM 13)

10A. MODIFICATION OF CONTRACT/ORDER NO.

9B. DATED (SEE ITEM 11)

9A. AMENDMENT OF SOLICITATION NO.

CODE

8. NAME AND ADDRESS OF CONTRACTOR (No., street, county, State and ZIP Code)

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

PAGE OF PAGES

4. REQUISITION/PURCHASE REQ. NO.3. EFFECTIVE DATE2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO. (If applicable)

1. CONTRACT ID CODE

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

04/11/2025

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

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority) appropriation data, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

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

ORDER NO. IN ITEM 10A.

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

The purpose of this Amendment is to provide a revised Statement of Work and Floor Plans to clarify the requirements for Lead Abatement.

Therefore:

1. The revised Statement of Work attachment, incorporated into this Amendment, replaces the original Statement of Work attachment in its entirety.

2. The revised Floor Plans attachment, incorporated into this Amendment, replaces the original Floor Plans attachment in its entirety.

Period of Performance: 05/19/2025 to 07/31/2025

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)15A. NAME AND TITLE OF SIGNER (Type or print)

15C. DATE SIGNED 16B. UNITED STATES OF AMERICA 15B. CONTRACTOR/OFFEROR 16C. DATE SIGNED

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

Jason Albright

STANDARD FORM 30 (REV. 11/2016)

Prescribed by GSA FAR (48 CFR) 53.243

Previous edition unusable

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

United States Department of the Interior

National Park Service Minute Man National Historical Park

174 Liberty Street Concord, MA 01742

STATEMENT OF WORK

Lead Abatement Gowing-Clark House

663 Lexington Rd Concord, MA 01742

DATE: MARCH 25, 2025

ADDENDUM: 4/30/2025

Table of Contents

Section 1.0 General Section 2.0 Requirements Section 3.0 Scope of Work Section 4.0 Government-Furnished Property Section 5.0 Security Section 6.0 Period of Performance Section 7.0 Contractor’s Use of Premises Section 8.0 Restrictions Section 9.0 Definitions

SECTION 1.0 GENERAL

1.1 Purpose of Contract: Due to the age of the house and previous Lead-Based Paint (LBP) testing results the Selected Contractor shall update the building to comply with the Occupational Safety and Health Administration (OSHA) Lead in Construction Standard 29 CFR 1926.62 and U.S.

Department of Housing and Urban Development (HUD) Guidelines for the Evaluation and Control of Lead-Based Paint Hazards in Housing. The HUD Guidelines complement regulations and other directives and guidelines that have been issued by HUD, the U.S. Environmental Protection Agency, the Occupational Safety and Health Administration, Consumer Product Safety Commission, National Park Service, and the Centers for Disease Control and Prevention

1.2 Applicable laws: All work of this Contract shall be performed in accordance with applicable laws, ordinances, rules, regulations and standards:

1.2.1 The Selected Contractor shall be responsible for their own transportation to the Park.

Contractor shall follow all local, state and federal laws when operating motor vehicles and ensure vehicles are inspected and registered to operate on public roads.

1.2.2 The Selected Contractor shall adhere to 20 CFR 1910, OSHA 1926.62 Lead Safety and Health Regulations for Construction and any other Federal, State and local laws and regulations to fully comply with this requirement.

1.2.3 Any and all applicable personal protective equipment shall be provided by the contractor to contract employees consistent with Federal, State and local laws.

1.2.4 The Selected Contractor is responsible for offsite disposal of all waste generated by this project in accordance with federal, state, and local regulations. For clarification of any requirements made by the U.S. Office of Public Health, please consult the contract COR.

1.3 Description of Site: Minute Man National Historical Park stretched though the towns of Concord, Lincoln and Lexington Massachusetts. Located inside the bounds of the park is the Gowing-Clark House at 663 Lexington Road, Concord.

1.3.1 – Historical significance:

The Current house that stands is dated to 1836 with large additions and alterations taking place circa 1868. The Park observes the entirety of the exterior and selections of interior architectural elements to be Character-Defining Features. Thus, caution and consideration must be observed when work is taking place.

1.4 Submittals: The following information shall be submitted by the Contractor to the CO and COR following the award of the contract. The CO and COR shall review these submittals for conformance to the contract requirements and respond within 7 working days whether the submittal is either accepted or rejected. Any changes to the submittals at any point in the contract shall require a new submittal to the Government for review.

1.4.1 Documentation of contractor lead names and phone numbers for staff associated with this contract.

1.4.2 Documentation of licensed de-leader supervisor with Massachusetts Dept. of Labor Standards.

1.4.3 List of all chemical paint stripper(s) and cleaning agents that will be used inside this contracted work.

1.4.4 List of paint(s), primer(s), filler(s), and epoxy(s) that will be used inside this contracted work.

1.4.5 Letter stating full compliance for the building by a certified lead paint inspector after work is complete. Included in this item is the filing with state and local departments stating the work that has been accomplished.

1.5 Bids & Payment: Bids and payment shall be submitted as follows:

1.5.1 Base Bid: Gowing-Clark Lead Abatement $

1.5.2 Payment to the selected Contractor shall be provided upon satisfactory completion of the terms of this contract in a single, lump sum payment. Subject to returning of the provided access keys.

SECTION 2.0 REQUIREMENTS

2.1 Provision of Labor & Supplies: The contractor shall provide all labor and supplies necessary to complete this contract.

2.2 Insurance: Selected contractor shall be fully insured for damages during the contract period of performance.

2.3 Quality Control: The Selected Contractor shall complete the scope of work outlined below in section 3.0 delivery and stocking at each location specified to the satisfaction of the COR. If upon inspection by the COR the service is not satisfactorily completed, the contractor shall be notified either verbally or in writing of the deficiency and provided an opportunity to correct the deficiency. The deficiency shall be corrected within 24 hours of notification to the contractor. If the deficiency is not corrected within 24 hours following notification, the COR may request equitable adjustment in the form of a reduced payment to the contractor or withheld payment for services not completed.

2.4 Communication: Contractor’s central office or representative shall be available by phone and email weekdays, Monday through Friday 8:00 am to 4:30 pm.

SECTION 3.0 SCOPE OF WORK

3.1 Using the results and recommendations from the provided most recent 03/29/2018 lead inspection and risk assessment of the structure, as well as the lead inspection report from 10/23/2014 the work out lined would address any findings that are hindering the building from being long term occupied by children under the age of 6 and pregnant women. This work is to address all deficiencies and recommendations that encompass both reports. COR to be available for any and all critical path carpentry repairs to be taken on by NPS. Accomplishing the needed State Lead Abatement will include the following items:

3.2 Painting and Coatings: NPS will provide paint and stain color IDs and samples on file for use in matching colors. For areas where color IDs are not on file, the COR will allow sample chips to be extracted from the surfaces. All color samples will be approved by the COR in coordination with the Contracting Officer for there likeness throughout the project. After lead remediation has taken place and surfaces are prepared for coatings, the following processes are recommended for acceptance:

3.2.1 Stains and Wood Coatings: Oil free clean rag with mineral spirits on all bare wood to be stained or clear coated, allow to dry. Oil-based stains only with clean rag, application depending on matching finishes, allow to dry. Oil-based clear polyurethane, 2 coats, allow drying between coats. Presses to be carried out with hand brushing.

3.2.2 Primer and Painting: Substrates to be clean of dust and depress, free of scraping and sanding marks. All work to be fair to surrounding work and free of edges that are prone to chipping after coating. Oil-based stain blocking primer applied with brush up to two coats.

Water based paints applied with brush minimum two coats. Care to be taken when cutting in to all existing work.

3.2.3 Exterior Cleaning: Low pressure washing with degreasing agents and mold inhibitors are expectable. Thorough washing of water after cleaning is to be expected as not to leave agents on surfaces.

3.2.4 Calcimine Ceiling Cleaning and Coating:

Scrubbing and Washing: Using hot water and phosphate-free detergents as required and scrubbing pads, scrub and wash surfaces to soften the glue size and encourage the calcimine to lift. Generate foamy froth to suspend the water and keep the surface wet longer. Employ squeegee tool or large sponge to remove foam and water. Repeat the scrubbing, squeegee process several times, using clean water and fresh detergent each time; allow up to four consecutive wash/scrub cycles to sufficiently remove old coatings and any other contaminants.

Rinsing: When all the calcimine appears to be removed, rinse all surfaces using clean water. Provide one final clean-water rinse, then let surface dry completely Evaluation: Test success of calcimine removal by firmly rubbing dark cloth and/or finger across the surface. If chalk appears, repeat scrubbing, washing and rinsing process until at least 80% of each subject surface is calcimine free and acceptable for oil-based primer or calcimine coater.

Basis of Design - Benjamin Moore Super Spec Alkyd Calcimine Recoater 306.

3.2 Doors: 25 wooden colonial raised panel door. Both side and all four edges to be worked to achieve and comply with the most current Massachusetts lead abatement standards. All labeling will follow the door schedule labels as depicted in the attached floor plans document. The removal and replacement of doors for offsite LBP work will be coordinated with the COR.

3.2 Door Casings and Jambs: 50 individual casing, door jambs, and headers require best lead abatement practices. This volume accounts for both sides of each room where a doorway is present. Care to be given not to damage any sections of the woodwork throughout.

3.3 Thresholds: Where thresholds of wood in the building are present, best LBP abatement practices are required.

3.4 Baseboard: Best LBP abatement practices are required for baseboards throughout building.

3.5 Handrail and Balusters: The combined handrail, balusters, newel posts, traveling baseboard, and risers that make up the work here span rooms 102 and 202. Walls and stair treads are not considered to be part of this effort. Care to be given not to damage any sections of the woodwork throughout the handrail and newel post stripping and scraping process.

3.6 Window Casings and Sills: All first and second floor interior window openings including:

Headers, Sills, Casings, Parting Beads, Stops, require best LBP abatement practices. Sash is not included in this Scope of Work.

3.7 Ceiling Room 104: Full removal of failed ceiling coatings in Room 104. Currently ceiling will require scrapping and pulling down of failed and delaminating layers. Patch where nectary for clean and fair ceiling with conventional ceiling paint. See Section 3.2.4.

3.8 Exterior: Care to be giving to safely capture all loose paint as sanding and scraping are happening. Plastic sheeting is expected to capture all debris. Proper health and safety mitigation practiced being exercised.

Clapboard Siding: 1500sqft of LBP requires best lead abatement practices. The attached graphics are to coincide with the provided lead paint findings report and current building conditions. Any alterations, substitutions, or changes to locations from the specified areas are to be coordinated with the COR in conjunction with the Contracting Officer.

Window Casings and Sills: All window openings required best LBP abatement practices.

Storm windows to be removed with care and replaced in their original locations.

East Porch: Scrape and clean all sides of columns including trim to remove LBP using best practices. Scrape, light sanding, and clean to LBP free substrate: Floorboards, Trim, Fascia, and Ceiling. Clean, prime and paint in accordance with Section 3.2.2.

West and North Covered Porch: Scrape and clean all sides of columns including trim to remove LBP using best practices. Scrape, light sanding, and clean to LBP free substrate:

Floorboards, Trim, Fascia, and Ceiling. Clean, prime and paint in accordance with Section 3.2.2.

3.9 Treatments and Methods:

3.9.1 Hand scraping of all painted woodwork must be done as not to inflict damage on the elements that are being scraped. Scraper chatter and tool marks are not considered acceptable.

3.9.2 Any and all mechanical sanding must be accompanied with the use of a HEPA vacuum.

Mechanical sanding is to be use only where necessary and not in replacement for hand sanding.

3.9.3 At the completion of the contracted work the COR will perform a walkthrough of the site to conduct a wipe test on all surfaces in the vicinity.

3.9.4 The building to be cleaned using cleaning agents that are free of sodium hypochlorite, heavy duty acids, and trisodium phosphate.

SECTION 4.0 GOVERNMENT FURNISHED PROPERTY

4.1 Existing Testing Results: The Government will provide the findings and report of the most currant testing of the building.

4.2 Keys: The Government will provide keys for entrance to building for the duration of the contracted work.

4.2.1 COR will distribute and collect keys at the beginning and end of the contract.

4.2.1 Loss or inability to return keys by the completion of the contracted work would result in the holding of $250 per key. See 1.5.2

SECTION 5.0 SECURITY

5.1 Public Safety: Contractor shall take necessary safety measures to ensure public safety while performing their duties. This includes preventing any member of the public from enter the work site, leaving hazardous materials unsecured or operating motor vehicles on Park roads/trails. COR shall provide direction to the contractor if the need arises to clarify Park safety policies and protocols.

5.2 Vehicle Parking: Contractor will be allowed to park vehicles in areas designated by Site Plans and in coordination with COR. Contractor shall not park in access ways that are designated for firefighting equipment or that would impede evacuation from a facility in the event of an emergency.

See Section 7.6.

SECTION 6.0 PERIOD OF PERFORMANCE

6.1 Base Year: The contract shall commence on 06/01/2025. The period of performance for the base year is 60 days ending on 07/31/2025.

SECTION 7.0 CONTRACTOR’S USE OF PREMISES

7.1 Hours: All work to be between the hours of 7:00am and 5:00pm. All rental services shall be coordinated within these hours.

7.2 Scheduling Access: The Selected Contractor shall be responsible for planning and scheduling its service with the COR.

7.3 Protecting Property: All work shall be completed in such a way as to create no damage and to protect the surrounding government property, and belongings etc. The contractor shall ask the COR for clarification if the need arises.

7.4 Utilities: Water and power are available at this location.

7.5 Use of Dumpsters: The Selected Contractor is responsible for disposal of all trash and recycling generated by the contract and shall dispose of all trash and recycling off site.

Reference 1.2.4 for more information.

7.6 Vehicle Parking & Storage: The Selected Contractor shall be granted use of the existing parking at the work site. Vehicles or trailers are not to be stored in the park overnight without permission and coordination for the COR.

SECTION 8.0 RESTRICTIONS

8.1 Smoking Policy: Ensure that the Selected Contractor’s employees adhere to Park’s ‘No Smoking Policy’. No smoking is allowed inside or within 50 feet of any park facility.

SECTION 9.0 DEFINITIONS

9.1 Federal Holidays are as follows: New Year’s Day, Martin Luther King Jr.’s Birthday, President’s Day, Memorial Day, Juneteenth, Independence Day, Labor Day, Columbus Day, Veteran’s Day, Thanksgiving Day, and Christmas Day; the preceding Friday when one of the above holidays falls on a Saturday; the following Monday when one of the above holidays falls on a Sunday.

Project

Gowing-Clark House

663 Lexington Rd Concord Mass

Date: 3/18/2025

Minute Man National Historical Park 174 Liberty St Concord Ma 01742

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Gowing-Clark House.

663 Lexington Rd Concord, MA 01472

I

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MINUTE MAN NATIONAL

HISTORICAL PARK

Door: Type:

E106A Wood/EX N105AA Wood/IN S105AB Wood/IN E105A Wood/IN S106A Wood/IN N103A Wood/IN W103B Wood/IN W103C Wood/IN N104B Wood/EX W104A Wood/IN S102A Wood/EX E101C Wood/IN N101B Wood/IN N101A Wood/IN Total Doors: 14

First Floor Door and Jamb Index

Lead Abatement Project

Gowing-Clark House

663 Lexington Rd Concord Mass

Date: 3/18/2025

Minute Man National Historical Park 174 Liberty St Concord Ma 01742

East Porch:

Flooring, columns, trim, fascia, skirting, boxing and ceiling to be LBP abated and repainted using means specified. Repairs to be carried out by NPS.

Room 102 & 202 Hallway stairs:

Risers, treads, and baseboards to be LBP abated and repainted using means specified. Newel post and handrails to be scraped and stripped. Stains and coatings to be chosen in coordination with COR for likeness. Baluster to scraped and stripped of LBP and repainted using means specified.

N101A N101B

E101C S102A

W103C

W103B

N103A

N104BW104A

E105A

S105AB

N105AA

101A 101B

104A

105A

S106A

E107A

103A

103B

Kitchen hearth and fireplace to LBP abated.

Color to be chosen by COR based of existing colors. Binders as necessary for paint adhesion.

Brick and mortar work not included in this work.

All architectural elements to remain on the structure. Storm windows to be removed with care and replaced in their original locations.

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Door: Type:

N205A Wood/IN E206B Wood/IN N206A Wood/IN N203B Wood/IN N203A Wood/IN W203D Wood/IN W203C Wood/IN S204A Wood/IN E201C Wood/IN N201B Wood/IN N201A Wood/IN Total Doors: 11

Second Floor

Index

Lead Abatement Project

Gowing-Clark House

663 Lexington Rd Concord Mass

Date: 3/18/2025

Minute Man National Historical Park 174 Liberty St Concord Ma 01742

205206

201A 201B 203A

206A

N201A N201B

E201C

S204A

W203C

W203D

N203A N203B

N205A

E206B

N206A

Room 102 & 202 Hallway stairs:

Risers, treads, and baseboards to be LBP abated and repainted using means specified. Newel post and handrails to be scraped and stripped. Stains and coatings to be chosen in coordination with COR for likeness. Baluster to scraped and stripped of LBP and repainted using means specified.

N201B

Colonial six panel doors throughout, typical.

Example of door casing and moldings throughout.

Standard tall baseboard throughout, typical. Note: electrical hardware in baseboards, throughout.

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South Elevation

Project

Gowing-Clark House

663 Lexington Rd Concord Mass

Date: 3/18/2025

Minute Man National Historical Park 174 Liberty St Concord Ma 01742

Work highlighted to be verified in the field by Contractors and COR. Allow 1500 SQFT for LBP Abatement. All critical path carpentry repairs to be taken on by NPS.

Care to be giving to safely capture all loose paint as sanding and scraping are happening.

Plastic sheeting is expected to capture all debris. Proper health and safety mitigation practiced being exercised

All first and second floor interior window openings including: Headers, Sills, Casings, require best LBP abatement practices. Sash is not included in this Scope of Work.

Storm windows to be removed with care and replaced in their original locations.

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No work to be carried out to gutters, throughout. Whole of South entrance door, side lights and surround is considered inside scope of work.

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West Elevation

Gowing-Clark House

663 Lexington Rd Concord Mass

Date: 3/18/2025

Minute Man National Historical Park 174 Liberty St Concord Ma 01742

Scrape and clean all sides of columns including trim to remove LBP using best practices. Clean, prime and paint in accordance with Section 3.2.2. Scrape, light sanding, and clean to LBP free substrate:

Trim, Fascia, Moldings, and Freeze boards.

prime and paint in accordance with Section 3.2.2.

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Care to be giving to safely capture all loose paint as sanding and scraping are happening.

Plastic sheeting is expected to capture all debris. Proper health and safety mitigation practiced being exercised

No work to be carried out to gutters, throughout.

Work highlighted to be verified in the field by Contractors and COR. Allow 1500 SQFT for LBP Abatement. All critical path carpentry repairs to be taken on by NPS.

No work to be carried out to storm doors, throughout.

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East Elevation

Gowing-Clark House

663 Lexington Rd Concord Mass

Date: 3/18/2025

Minute Man National Historical Park 174 Liberty St Concord Ma 01742

Scrape and clean all sides of columns including trim to remove LBP using best practices. Clean, prime and paint in accordance with Section 3.2.2. Scrape, light sanding, and clean to LBP free substrate: Floor boards, Trim, Fascia, and ceiling. prime and paint in accordance with Section 3.2.2.

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Floorboard to be scraped and sanded to clean and fair substrate. Prime and paint as to match existing.

Care to be giving to safely capture all loose paint as sanding and scraping are happening.

Plastic sheeting is expected to capture all debris. Proper health and safety mitigation practiced being exercised

No work to be carried out to gutters, throughout.

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