B08_Solicitation_Attachment_1_SOW.pdf

United States Department of the Interior

National Park Service Boston National Historical Park

21 2nd Street

Boston, MA 02129

STATEMENT OF WORK

Bunker Hill Historic Cast Iron Fence Welding Repairs

Table of Contents

Section 1.0 Scope

Section 2.0 General

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 SCOPE

1.1 Purpose of Contract: Contractor shall furnish all labor, transportation, materials, and supervision for inspection of and welding repairs to the historic cast iron fence that surrounds the perimeter of the Bunker Hill Monument. The fence has deteriorated due to vandalism and normal wear-and-tear. Welding repairs should correct safety as well as aesthetic deficiencies ahead of the 250th anniversary of the Battle of Bunker Hill. Approximately 19 locations needing repairs have been identified for this scope of work. A map is provided showing the approximate locations of all welding repairs.

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

1.2.1 Selected contractor must be fully insured for damages during the contract period of performance.

1.2.2 Selected Contractor shall follow all safety regulations pertaining to use of PPE. The

Contractor shall adhere to 20 CFR 1926 and any other Federal, State and local laws and regulations to fully comply with this requirement. Any and all applicable personal protective equipment shall be provided by the Contractor to contract employees consistent with Federal, State and local laws.

1.3 Description of Project Site: The Bunker Hill Monument is located at Monument Square within the Charlestown neighborhood of Boston. Bunker Hill is the site of a pivotal

Revolutionary War battle in 1775. The monument was constructed in the early 19th century to commemorate the battle. The ornate cast iron fence that surrounds the site was installed in the

19th century.

SECTION 2.0 GENERAL

2.1 Selected contractor shall notify the COR of any unforeseen conditions that are beyond the scope of work detailed in Section 3.0. Substantial increases in the scope will need to be assessed by the CO and COR for any modification of the contract to repair unforeseen conditions.

2.2 The contractor shall furnish all labor, transportation, materials, and supervision for welding repair work described in SECTION 3.0.

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

SECTION 3.0 SCOPE OF WORK

3.1 Prior to the commencement of any work on site, the contractor shall coordinate site access with the NPS to bring equipment and materials on site. The contractor shall also provide any shielding/screening necessary to protect the visiting public from being exposed to damaging light from the welding process. The contractor shall also coordinate with the park Safety Officer to obtain an NPS Hot Work Permit ahead of any scheduled repairs. The contractor shall abide by the requirements outlined by the Hot Work Permit.

3.2 The contractor shall assess the current condition of all the repair locations and properly clean metal down to bare surfaces to allow for proper fusion. All rust, paint or other contaminants shall be removed by the contractor from the repair locations in order to ensure a strong weld.

Wire metal brushes are acceptable however grinder wheels will require additional oversight by the COR. Any use of grinder wheels shall be at the discretion of the COR. Any use of grinder wheels for the surface preparation shall limit the impact of material loss from historic components. If excessive materials are deemed to have been removed, the COR may request another process or technician to complete surface preparation work.

3.3 The contractor shall identify the type of cast iron or mild steel being welded together. This information shall be used to select the most appropriate welding technique, MIG, Stick, TIG or

Oxy-Acetylene, and the most appropriate filler wire to provide the strongest weld.

3.4 The contractor shall make welds with adequate penetration of the repair components that need to be fused. Shallow or superficial welds will be unacceptable and rejected for resubmittal.

3.5 At least one section of fencing for repair requires the use of lead filler to anchor a fence brace to a granite footer. The contractor shall select either molten lead or hammered lead fillers to make this repair to the fence brace. The contractor shall consult with the COR to notify them of the preferred repair method.

3.6 All welds shall be free from excessive buildup of filler wire materials and transitions between fused components shall be seamless. Cleanup with grinders shall be minimal and shall not damage or impact any adjacent ironwork. Once all metals have cooled, any remaining flux or remnants from the welding process shall be removed to produce a clean final result.

3.7 OPTION 1 – At least 10 cast iron base ornaments and 5 fence pickets are damaged or missing from the historic fence at Bunker Hill. The contractor shall work with a reputable casting shop/forge to replicate missing features by making molds of existing examples of any missing elements and cast new replacement components out of mild steel. The 10 base ornaments and 5 fence pickets shall be given to the welder to be reinstalled onto the cast iron fence using the same procedures outlined in sections 3.1-3.6 of this contract.

3.8 Upon completion of the work, the COR shall inspect all work for completeness and soundness of all welds.

SECTION 4.0 GOVERNMENT FURNISHED PROPERTY

4.1 The Government will furnish no tools. All tools are Contractor furnished from outside the park.

4.2 The Government will furnish cones, barriers and caution tape to isolate project areas from the public.

4.3 The Government will furnish the detached pieces of fencing that have been retained for reinstallation/repair. The contractor shall not retain any remnants of the cast iron fence materials. All remaining historic cast iron elements shall remain the property of the NPS and be turned back over to the NPS at the conclusion of this project.

SECTION 5.0 SECURITY

5.1 There is no on-site parking available at the project site. The contractor will need coordinate any deliveries of equipment or materials with the NPS.

5.2 Contractor shall take the necessary safety measures to ensure public safety while performing welding repairs. Notify COR of when on site work is being performed.

5.3 The COR or another NPS representative will be present on-site during work to redirect any members of the public from the project area and to assist with excluding the public from the work areas.

SECTION 6.0 PERIOD OF PERFORMANCE

6.1 The work shall take place 5/5/25 to 5/23/25. The period of performance for this work is 5 days.

SECTION 7.0 CONTRACTOR’S USE OF PREMISES

7.1 Public or employee restrooms will be available for the contractor employees to use.

7.2 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.

7.3 Use of water and power are currently available on-site.

7.4 Please notify the NPS if significant amounts of debris are collected during the project and need to be disposed. NPS will provide direction on where best to dispose any material.

7.5 There is no on-site parking available at the project site. The contractor will need to make arrangements to locate parking on City streets and coordinate any deliveries of equipment or materials with the NPS. Parking may be available at the Charlestown Navy

Yard if needed.

SECTION 8.0 RESTRICTIONS

8.1 No on-site work will be permitted outside of regular hours. Site is available Sunday through Saturday from 7:00 am to 4:30 pm.

8.2 No-on site work will be permitted on any Federal Holiday.

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.

CONTRACTING OFFICER’S REPRESENTATIVE

Jake Rindfleisch Boston National Historical Park

21 2nd Ave

Boston, MA 02129

617-438-5752

Jason_rindfleisch@nps.gov