A04_VAFO_Train_Station_HVAC_SOW.docx

Valley Forge National Historical Park 1400 North Outer Line Drive King of Prussia

STATEMENT OF WORK

Train Station HVAC

PMIS# 340729

DATED

Date: 4/2/2024

NATIONAL PARK SERVICE

IR1

1.0 BACKGROUND:

The Valley Forge Train Station was originally constructed in 1911. The train station and the adjacent buildings are some of the most visited areas at the Valley Forge National Historical Park. The train station is located next to George Washington’s encampment headquarters and serves as the reception and informational center for the HQ building and also located near an active Norfolk Southern track. Contractor will not interfere with train operations and will not have access to the area operated by Norfolk Southern. The building is 4,050sf and has 4 roof top heat pumps and 4 air handling units in the basement.

The park is looking to replace one nonfunctioning 4 ton rooftop A/C unit and one air handling unit in the basement and the lineset and associated equipment that services them.

2.0 OBJECTIVES:

1. The goals of this project are to:

a. Replace the above equipment with new units with the same capacity with a more efficient units.

3.0. SCOPE OF WORK:

1. Contractor is responsible to field verify all estimated quantities

a. It is STRONGLY encouraged that each bidder visits the site and fully acquaints themselves with the problems and conditions they will encounter if they become the successful bidder. Since absence from visiting the project will not be considered as an excuse for misunderstanding of the requirements of the contract, bidders are strongly encouraged to visit the park and attend the pre-bid site visit(s).

2. Contractor must be knowledgeable of and adhere to all federal, state and local laws and regulations governing the types of work included in this document. Contractor shall also follow the Secretary of the Interior’s Standards for the Treatment of Historic Properties. Contractor shall plan, schedule, coordinate, and assure effective performance to provide the services required.

a. If there is a conflict between The Secretary of the Interior’s Standards for the Treatment of Historic Properties and manufacturers recommendations, the contractor shall submit a request for information (RFI), identifying the conflict, to the COR and Contract Specialist for a determination of precedence.

3. Contractor(s) are solely responsible for measuring and verifying in field, prior to bidding, all existing dimensions, sizes, areas and conditions. Also prior to bidding, contractor(s) shall investigate and verify nature and extent of work necessary and advise NPS in writing of any discrepancies and/or omissions in the requirements.

4. This contract requires the independent Contractor, functioning not as an agent of the Government, to provide all personnel, facilities, tools, labor, equipment, supervision, transportation (except as otherwise specified in the Contract), correspondence, supplies, staging and materials necessary to:

List of existing equipment to replace with new more efficient units:

a. Remove and replace (1) 4 ton unit off of the roof

i. Lennox TPA048S4N42Y

ii. 14 SEER Minimum

iii. 208-230 Volt 3 phase

iv. 48000BTU

b. Remove and replace (1) vertical air handler unit in the basement

i. Lennox CBX32M-48-230-4

ii. 230 Volt single phase

c. Remove and replace (1) duct heater

i. Lennox ECB29-15-P

ii. 208-230 volt 3 phase

iii. 15.0kW

d. Remove and replace approx. 275 lf line set

i. Line set is behind a drywall chase and will be opened by park employees.

e. The existing equipment models are for reference only for capacity and size, they are not available anymore

4.0 OBJECTIVES:

2. The goals of this project are to:

a. Replace the two existing HVAC components that serve the first floor of the train station with new more efficient units

5.0 TASKS AND REQUIREMENTS:

1. General

a. The contractor shall be familiar with the requirements stated in this scope of work and meet with the park staff to gain a clear understanding of the design and functional requirements of work desired.

b. The contractor will confirm existing site conditions and measurements. Material samples and product submittals related to the proposed work will be prepared and submitted to the National Park Service (NPS). NPS approval shall be obtained prior to ordering materials.

c. The contractor shall develop and maintain an effective quality control program to ensure services are performed in accordance with this SOW.

d. The contractor shall document and notify the COR of any existing conditions of concern prior to work starting.

e. The Contractor shall provide proper safety equipment to employees and ensure a safe work environment for employees.

f. Protect, and do not disturb, all existing historic fabric. Scaffolding and or ladders shall be erected so that no damage is done.

g. If scaffolding is to be used a scaffolding plan will be required to be submitted for approval.

h. Preservation of Natural and Cultural Features: Confine all operations to work limits of the project. Prevent damage to all natural and cultural surroundings. Restore damaged areas, repairing or replacing materials in-kind if necessary, all at the direction of the CO and at no additional expense to the Government

i. Restoration of all ground and areas disturbed in execution of this contract shall be fully restored to original condition, including all grading, seeding (with Park approved native seed mixture), and mulching. Perennial ryegrass is not permitted. Any completed trail surface disturbed as part of this contract shall be restored to original condition.

j. Any damage resulting from Contractor’s operation shall be immediately brought to the attention of the Contracting Officer’s Representative.

k. The Contractor shall take all necessary and reasonable measures to keep these sites clean of trash and debris. Place all trash and debris in approved containers, remove, and properly dispose of trash off site daily. Keep work site(s) clean on a daily basis.

l. At the completion of all work, the Contractor shall remove all equipment, tools, surplus materials, and shall clean all work areas. The Contractor shall be responsible for providing all tools, supplies, materials, and labor necessary for cleanup.

m. Codes, Regulations and Standards

i. The NPS requires that all work be performed to the Secretary of the Interior’s Standards for the Treatment of Historic Properties

6.0 Quality Assurance

1. The quality of all work shall be the responsibility of the prime contractor. Inspect and test all work often enough, including all subcontractors work to ensure that the quality of materials, workmanship, construction, finish, and functional performance is in compliance with applicable specifications, and requirements.

2. The project superintendent or project manager shall inspect the project ensuring all work is complete.

3. The contractor shall submit, with their bid, the following documentation outlining their qualifications for the work.

a. Company qualifications:

i. Examples of 3 projects of similar scope and complexity to this Scope of work, completed in the last 5 years.

ii. The projects shall exhibit the ability of the company to successfully complete work on historic structures where the work must meet the “Secretary of the Interior’s Standards for the Treatment of Historic Properties”.

iii. Project descriptions must be no more than one-page, single space, written in 11pt. type. Along with the project description submit no more than 4 photographs illustrating the work. At least one photo should show the before conditions of the project to illustrate the extent of the work.

b. All work shall be by qualified workers skilled in their trade. All work shall be done in a workman like manner. Substandard, defective, and inferior work shall be corrected or replaced at the contractor’s sole expense. Contractor shall provide documentation for each subcontractor that will be used to show the following:

i. The Contractor shall assign a qualified job superintendent to the work. The supervisor shall have control of the job site, be responsible for the work and be present whenever work is ongoing either by the Contractor’s own personnel or his subcontractors.

ii. Minimum worker/subcontractor qualifications required:

1. Job Superintendent:

a. Minimum of 5 years of experience in construction field; at least 2 years of managing construction work crews. Must have worked on at least three projects involving historic buildings, provide a list of projects.

2. Certified HVAC mechanic

a. Minimum of 5 years as a journey man mechanic

7.0 Delivery

1. The contractor shall develop and submit a Quality Control Plan (QCP) that implements procedures to identify, prevent, and ensure non-recurrence of defective services. The contractor’s quality control program is the means by which they assure themselves that their work complies with the requirements of the contract. The QCP shall be delivered to the COR for approval. After acceptance of the QCP, the contractor shall receive the contracting Officer’s acceptance in writing of any proposed changes to their QC system. A revised copy of the QCP shall be submitted to the Cor within five (5) working days when changes are made thereafter.

2. Other plans and documents that must be submitted and approved prior to work beginning to include, but are not limited to:

a. Health and safety plan.

b. Project schedule.

c. Schedule of values.

d. Hazardous materials safety plan.

e. Project site plan.

f. Accident prevention plan.

3. Plans and documents required after the start of the project include but are not limited to:

a. Project schedule.

b. Other plans and items as required by the tasks such as product submittals.

c. Project Photos

8.0 Government-Furnished Property

1. Facilities

a. The government will provide no facilities to the Contractor. A staging area will be designated for the contractors use.

2. Utilities

a. The Government will provide access to water and electricity.

3. Equipment

a. The Government will provide no equipment to the contractor.

9.0 Security

N/A

10.0 Place of Performance

1. The location of the Valley Forge Train Station:

a. 9 River Road, King of Prussia 19406

2. All work, materials, and equipment shall be confined within 20 feet of the structure. The construction staging area must be always maintained in a neat and orderly condition.

11.0 Period of Performance

1. A non-mandatory pre-bid site meeting will be schedule by the Contracting Officer. It is STRONGLY encouraged that each bidder visits the site and fully acquaints themselves with the problems and conditions they will encounter if they become the successful bidder. Since absence from visiting the project will not be considered as an excuse for misunderstanding of the requirements of the contract, bidders are strongly encouraged to visit the park and attend the pre-bid site visit(s).

2. The period of performance shall be 90 days from the Notice to Proceed.

3. Recognized Holidays:

a. The contractor is not authorized to work at the site on Federal Holidays or weekends unless specifically authorized in writing by the NPS Contracting Officer. Requests to work over a holiday or weekend must be received no less than 5 working days prior to the holiday.

4. Hours of Operation:

a. The contractor is responsible for conducting business at the site between the hours of 7:00 am to 3:30 pm Monday thru Friday except Federal holidays or when the Government facility is closed due to local or national emergencies, administrative closings, or similar Government directed facility closings. Work outside of these hours will not routinely be approved and must be requested with the Park and COR no less than 5 days prior.

Appendix A:

Photos:

Heat Pump

Air Handler

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