21_06_25_JT_Chiller_Replacement_SOW.docx

COLONIAL NATIONAL HISTORIC PARK

Jamestown, Virginia

Remove and Install 90 Ton Chiller JTVC

PROJECT MANUAL

Summary of Work

NATIONAL PARK SERVICE

June 25, 2021

SECTION 011100

Scope of Work

NOTE: Acronyms: Throughout this Project Summary document, acronyms may be used for the purpose of brevity. They are as follows:

1.1 DESCRIPTION

A. The work of this contract consists of the Contractor providing all labor, qualified supervision, equipment, materials, tools, supplies, incidentals, and other services and expertise necessary to remove and dispose of existing chiller and install a new 90 ton chiller so there are few or no modifications needed to the existing connections. The current model is Carrier 30RBA0906. New chiller shall be of same or equal specifications as the existing and shall fit into the existing location with little or no modification, though not necessarily a Carrier brand. In addition to meeting the specs of the existing unit, exposed chiller components shall be coated to reduce corrosion caused by the exposure to harsh, salty environments.

B. The scope of work is as follows.

• Perform Lock Out Tag Out on all effected equipment.

• Remove and dispose of existing air- cooled chiller

· Supply & install a Carrier 30RBA0906 (OR APPROVED EQUAL) replacement air- cooled chiller

• Chiller to include 5-year parts & labor warranty

· Position Chiller unit on existing pedestal with little or no modification (2.5 LF Off the Ground, 144 IN X 88 IN Dimensions

• Tie into existing cooling water lines

• Reinsulate piping as required

• Tie into existing supply power & controls, to include inclusion in the building automation system, to ensure the entire system is working properly.

• Provide factory start-up verify operation

• Return system to useful service

• Review operation with owner & clean work area

C. The Contractor will be responsible for the entire scope of this project; all work required by the project documents shall be accomplished even though minor items required may not be specifically mentioned in the description.

D. All work will be performed under a single firm fixed price contract.

E. All work is to be completed within sixty calendar days (60) from the date the Award letter is issued to the Contractor.

1.3 JOB CONDITIONS AND CONTRACTOR’S USE OF PREMISES

A. Preservation of Structures: Every precaution shall be taken to prevent damage to the structures and the surrounding areas. Should any damage be incurred as a result of the Contractor’s operations, it will be repaired and/or the damaged materials replaced, in kind, by the Contractor, to the satisfaction of the Contracting Officer at no additional expense to the Government.

B. Public Access: The Contractor shall always conduct his operations to ensure the least inconvenience to the public. The building will not be closed to the public during the work. Contractor is to provide adequate barriers in work areas to protect public from injury.

C. Full Government Occupancy Requirement for Building: Government will occupy building where work is taking place during the entire contract period. Cooperate with Government during work operations to minimize conflicts and facilitate Government usage. Perform the work so as not to interfere with the Government’s day-to-day operations. Maintain existing exits, unless otherwise indicated.

1. Do not close or obstruct walkways, corridors, sidewalks, streets, roads and other adjacent occupied or used facilities. Closures to sidewalks, streets, roads, or other access means will only be permitted when required and only upon written approval by the CO, and when proper directional signage and barriers are provided by the Contractor.

2. Keep driveways and entrances serving premises clear and available to Government, Government’s employees, and emergency vehicles at all -times. Do not use these areas for storage of materials.

3. Maintain existing building in a weather tight condition throughout the work. Repair damage caused by operations. Protect building and its occupants during the work period.

E. Work Coordination: The Contractor shall coordinate all work schedules with the CO or COR prior to the start of work. With the exception of inclement weather, Acts of God, and conditions experienced or events planned by the Park which would prevent the Contractor from performing, it is expected the Contractor shall be on the site performing each work day. If it becomes necessary for the Contractor to interrupt work activities, the Contractor shall submit a written request to the Contracting Officer at least two (2) working days in advance.

F. Project Superintendent: Contractor must always have a designated superintendent at the contract site during work performance, to include work which may be performed by a subcontractor. The superintendent’s duties shall include the overall management of the project, coordination of the subcontractor’s work, and liaison with the CO and COR. No work shall be performed without the presence of the superintendent on the job site.

G. 24-Hour Point of Contact: Provide the CO and COR with a 24-hour number or numbers where the designated superintendent and an alternate can be contacted at any time.

H. Access to Sites: The sites for contract performance do have special access requirements and require coordination with the COR. Contractor shall have limited use of the site for operations. Limit use of the premises to the Visitors’ Center Exhibit Area where work is to be performed. Do not disturb portions of project site beyond area in which the work is indicated.

I. Storage Restrictions: Confine storage of materials to Contractor’s work vehicles, or the Exhibit Area within the Visitors’ Center.

1. If approved by the CO in writing, Contractor may provide their own temporary storage facility for equipment and materials at the contract site. The type and location of storage is also to be approved in advance by the CO.

2. Remove structures and surplus stored materials at completion of work.

3. Contractor must provide suitable storage for all combustible and flammable materials. The type and location of storage is also to be approved in advance by the CO.

4. Schedule deliveries to minimize use of driveways and entrances, and to minimize space and time requirements for storage of materials and equipment on-site.

J. Preservation of Natural Features:

1. Confine all operations within the work limits of the project. Exercise special care to leave the natural surroundings undamaged. Restore damaged areas, repairing or replacing damaged trees and plants, at no additional expense to the Government. Contractor will be responsible for all costs associated with restoration of the project area.

2. Do not remove, injure, or destroy trees or other plants without prior approval of the CO or COR. Consult with the CO or COR to remove agreed-on roots and branches that interfere with construction.

3. Do not fasten ropes, cables, or guys to existing trees.

4. Carefully supervise excavating, grading, filling and other construction operations near trees and natural resources to prevent damage.

K. Equipment Restrictions: Use only equipment that can safely negotiate work area and as authorized by the COR.

L. Hauling Restrictions: Comply with all legal load restrictions in the hauling of materials. Load restrictions on park roads are identical to the state load restrictions with such additional regulations as may be imposed by the Park Superintendent. A special permit will not relieve Contractor of liability for damage which may result from moving of equipment.

M. Disposal and Recycle: Unless otherwise specified by the CO or COR, all removed material and excess excavated material that will not be used on the project is to be disposed of outside the park at an approved landfill, recycled, or disposed of at other locations in accordance with federal, state, and local regulations.

N. Park and Safety Regulations: Comply with all applicable National Park Service regulations and directives pertaining to security, safety, occupational health, fire, traffic, and personnel clearances while on the premises of the Park.

2. Hazard Control: Take all necessary precautions to prevent fire during work. Do not store flammable or combustible liquids in historic structures or existing buildings. Provide adequate ventilation during use of volatile or noxious substance.

3. Locate internal combustion equipment so that exhausts discharge well away from combustible materials.

4. Welding: Welding or cutting by torch will not be permitted in or on the structure unless approved in advance by the CO.

P. Nonsmoking Building: Smoking is not permitted within the building or within 25 feet of entrances, operable windows, or outdoor air intakes. Smoking shall only be allowed in smoking areas as designated by the Park.

Q. Public Utilities

1. The Government will provide Contractor access to water and electricity in the performance of this contract.

2. The Park authorizes Contractor to use selected restroom facilities at the Park during the building’s operational hours.

3. If refuse will be generated by Contractor in the performance of this contract; the Contractor will be responsible for providing its own dumpster. The dumpster size and staging location shall be approved and coordinated with the Contracting Officer’s Representative (COR). Contractor must not leave refuse on the ground or around the dumpster should it reach or be at full capacity.

R. Protection of Existing Utilities: Before work begins, the Contractor shall locate all utilities in the vicinity of ground disturbance. The Contractor shall be responsible for complying with all regulations pertaining to utilities in the State where work is to be performed. The Contractor shall assume all risks for all utilities located in the vicinity of his work, whether above or below the ground surface. The Contractor shall also be responsible for all damages and assume all expenses for direct or indirect injury caused by his work, to any of the utilities, or any person or property by reason of injury to them, whether such utilities are or are not shown on the drawings, once they have been uncovered by the work.

S. Utility Interruptions: Notify CO not less than two (2) days in advance of proposed utility interruptions. Do not proceed with utility interruptions without CO’s written permission.

T. Security:

U. Permits: It is the Contractor’s responsibility to arrange for the marking of utilities and acquiring any permits which may be required in the performance of the work.

V. Environmental Management System: Contractor will reduce environmental risks, promote pollution prevention, and meet all environmental regulatory requirements during the execution and completion of the contract.

W. Traffic Control: The Contractor shall provide, erect, maintain and subsequently remove all traffic control devices required to gain access to the site and/or complete the work. The traffic controls shall be in accordance with the ‘Missouri Manual of Uniform Traffic Control Devices for Streets and Highways.’ Traffic control devices shall be provided with suitable supports of enough strength and stability. Traffic control shall be considered incidental to the completion of the project and no separate payment shall be made for this work. The Contractor shall complete the project to minimize the disruption of traffic flow within the work area.

X. Patching and Repairing: After the work has been completed, any Contractor-caused damages to Government-owned structures, facilities, streets, curbs, walks, lawns, etc., shall be properly patched, repaired, or replaced to the complete satisfaction of the Contracting Officer. Any holes, cuts, breakages, and damages made in finished surfaces of the area in which work has been accomplished, shall be properly repaired and the disfigured areas otherwise repaired and resurfaced to the complete satisfaction of the CO.

1.4 FIELD VERIFICATION

A. Field verify all new and existing dimensions affecting the work of this contract before ordering products. Failure to do so shall not be cause for claim in the performance of the contract.

END OF SECTION 011100

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