SOW_WH_WI__freezer_System_B_Replacement_2019.pdf

Statement of Work For Replacement of Refrigeration System B for Walk-In Freezer in Main Lab

At the Northeast Fisheries Science Center Woods Hole Laboratory 166 Water Street Woods Hole, MA 02543

(24 July 2019)

SECTION 01

GENERAL REQUIRMENTS

PART 1 GENERAL

1.01 DESCRIPTION

A. The NMFS/Northeast Fisheries Science Center is located at 166 Water Street Woods Hole, Ma. 02543-1026. All inquiries are to the attention of Jason Godusky (Facility Management Specialist), the Government's Point of Contact (POC), and may be contacted regarding any questions or for a pre-proposal job site inspection at Office Phone: 508.495.2019 or EMAIL: Jason.Godusky@noaa.gov

B. The National Marine Fisheries Service (NMFS), a part of the National Oceanic and Atmospheric Administration

(NOAA) of the Department of Commerce (DOC), is a governmental agency charged with the mission of stewardship for living marine resources.

C. The NMFS Woods Hole laboratory is replacing (one of two) outdoor, air-cooled condensing unit and one electric defrost evaporator for a Refrigeration systems that supports a walk-in freezer located in the Di-section lab in Bldg. 166.

D. The contractor shall be fully knowledgeable of all requirements of the contract documents and shall make themselves aware of all job site conditions that will affect their work. Contractor shall verify all dimensions and equipment, prior to submitting quotation.

E. Project Site Location

1.02 EXTENT OF WORK

A. Provide all labor, material, supplies, tools, equipment, and supervision necessary to complete the work described and/or shown in the drawings and/or specifications in accordance with the manufacturer’s most current specifications and details to ensure the requirements in the contract documents, meet or exceed best practices as recommended by manufacture(s), NEC, BOCA, NFPA, UL, ASTM and other standard not specifically listed.

B. The contractor shall be fully knowledgeable of all requirements of the contract documents and shall make themselves aware of all job site conditions that will affect their work.

C. All dimensions shown on plans are approximate and not to scale. Contractor shall verify ALL dimensions prior to submitting a proposal. All parts, components and/or systems used in this project must meet or exceed any specifications and/or requirements of the existing system and listed in contract documents.

D. The contractor will completely remove one existing refrigeration system (identified as System B); to include detaching electrical connections, reclaiming refrigerant, and removing existing wall mounted evaporator, ground level condenser and all associated parts/components.

1. Contractor will legally dispose of removed units and parts/components off site.

F. The contractor will supply and install:

1. One complete refrigeration system: consisting of one outdoor, ground-level condensing unit and one electric defrost evaporator while utilizing existing access points (i.e., Core holes and penetrations) and electrical connections.

2. Other requirements as described in the statement of work or as shown on drawings/pictures.

1.03 SUBMITTALS

A. The contractor shall submit the following:

1. Schedule (5 days after NTP)

2. Safety Plan (5 days after NTP)

3. Safety Data Sheets (SDS) (10 days after NTP)

4. Manufactures cut sheets for POC approval.

1.04 PRODUCT DELIVERY, STORAGE AND HANDLING

A. Deliver materials to the job site in the manufacturer’s original, unopened containers or wrappings with the manufacturer’s name, brand name and installation instructions intact and legible. Deliver in sufficient quantity to permit work to continue without interruption.

B. Comply with the manufacturer’s written instructions for proper material storage.

C. Any materials which are found to be damaged shall be removed and replaced at the contractor’s expense.

1.05 WORK SEQUENCE

A. Care shall be exercised to provide protection of the building and equipment within the building. Do not disrupt activities in occupied spaces without prior approval from the Facility Management Specialist / POC.

1.06 USE OF THE PREMISES

A. Before beginning work, the contractor shall secure approval from the POC for the following:

1. Contact the POC for parking information and facility access.

2. Access to the site.

3. Areas permitted for storage of materials and debris.

4. Security: Obey the government’s requirements for personnel identification, inspection and other security measures.

5. The NEFSC is a smoke free campus. The Contractor and its employees shall adhere to all applicable rules and regulations regarding maintenance of a smoke free environment on the job site.

6. Use of Government facilities

a. Water and electricity for construction purposes are available at the worksite.

b. Contractor shall provide storage for tools and materials. The Government is not responsible for providing storage or security of materials, tools, or equipment.

7. The premises will be occupied during the performance of the work. Contractor will coordinate work with the

POC to accommodate the work schedule, continuing access and completion date.

8. Working hours shall be 7 AM – 4 PM (M-F). Contractor shall observe all federal holidays.

1.07 EXISTING CONDITIONS

A. If discrepancies are discovered between the existing conditions and those noted on the drawings, immediately notify the POC.

1. Upon receipt of RFP Documents verify documents are complete. Notify POC if documents are incomplete.

Immediately notify POC upon finding discrepancies or omissions in proposal Documents.

1.08 PRE-BID SITE VISIT

A. Prior to proposal submittal, the contractor should schedule a job site inspection to observe actual conditions and verify all dimensions. Access to the site: prior to the closing RFP Date, the contractor must contact the owner’s representative, Jason Godusky at 508.495.2019 to coordinate an appropriate time. Coordinate site visits at least 48 hours (two working days) in advance of intended site visit. No site visit shall be allowed on the day quotes are due.

1.09 FACILITIES AND CONTROLS

A. The contractor shall remove all debris from the job site in a timely and legally acceptable manner so as to not detract from the aesthetics or the functions of the building.

B. Any project tasks requiring the displacement of vehicle parking must be scheduled with the POC prior to the event.

C. Refrigeration system A must remain operational throughout the replacement process. The Walk-in freezer is set at -5 degrees Fahrenheit and must not exceed 32 degrees Fahrenheit throughout the replacement process.

1.10 JOB SITE PROTECTION

A. The contractor shall adequately protect building and government equipment on site from damage while performing the required work. Provide protective barriers as necessary for protection and remove protective barriers/devices upon completion of project. The contractor shall repair or be responsible for costs to repair all government property damaged during any part of the installation process.

B. During the contractor’s performance of the work, the building owner will continue to occupy the existing building. The contractor shall take precautions to prevent the spread of dust and debris. The contractor shall provide labor and materials to construct, maintain and remove necessary temporary enclosures to prevent dust or debris in the construction area(s) from entering the remainder of the building.

C. Protect against fire and flame spread. Maintain proper and adequate fire extinguishers within fifty (50) feet of any open flames. If any heated or flamed application is utilized, a 15 lb. or larger fire extinguisher shall be within 25’ reach or closer at all times. Any open flamed used during installation requires prior notification to the POC.

1.11 SAFETY

A. The contractor shall be responsible for all means and methods as they relate to safety and shall comply with all applicable OSHA, NEC, NFPA, EPA 40 CFR Part 745, local, state and federal requirements. Safety shall be the responsibility of the general contractor. All related personnel shall be instructed daily to be mindful of the full time requirement to maintain a safe environment for the facility’s occupants including staff, visitors, customers and the occurrence of the general public on or near the site.

B. The contractor shall keep the project site in a neat an orderly condition at all times.

C. Five days prior to start of work contractor shall submit a safety plan. To include but not limited, open flames, debris, cleanup, and emergency procedures.

D. It is the contractor’s responsibility to ensure all employees; sub-contractors, venders, and other company representative adhere to all safety rules, regulations, policies and practices.

1.12 WORKMANSHIP

A. All work shall be of highest quality and in strict accordance with the manufacturer’s published specifications and to the building owner’s satisfaction.

B. There shall be a site superintendent on the job site at all times while work is in progress. Site superintendent shall be an employee of the general contractor. Worker and sub-contractor shall not be permitted on the site without the presence of the designated site superintendent.

1.13 QUALITY ASSURANCE

A. Unless otherwise noted in the contract documents, contractor shall comply with the manufacturer’s current specifications and details.

B. Contractor will provide an adequate number of experienced workers regularly engaged in this type of work who is skilled in the application techniques of the materials specified. Provide at least one thoroughly trained and experienced superintendent on the job at all times when work is in progress. Once the site superintendent has been identified, he/she shall remain on the project until completion. Any changes to the site superintendent shall require written notification at least two working days in advance of proposed change.

C. There shall be no deviations made from this specification or the approved shop drawings/submittals without the prior written approval of the POC. Any deviation from the manufacturer’s installation procedures must be supported by a written certification on the manufacturer’s letterhead and presented for the specifier’s consideration.

D. All substitutions requests for products, equipment, materials and methods described within the contract documents shall be submitted to the POC. Substitutions request are not permitted prior to the Notice to Proceed.

Substitute products will be considered when the request is submitted in writing to the POC. The POC will have seven (7) working days to approve /disapprove substitution request. Substitution request shall not result in schedule extensions. Substitution request shall include:

1. Two complete copies of the manufacturer's technical data and cut sheets, with sufficient information and product data to allow the POC to make a timely decision,

2. The reason for the substitution,

3. A comparison of delivery time,

4. Samples,

5. Substitutions shall meet or exceed all requirements of specified materials, products, equipment and methods described within the contract documents,

6. Contractor shall not be entitled to extra compensation for substitution request whether approved or disapproved,

7. If the cost of the substitution is less than the specified products, materials, equipment or methods the difference in cost shall be credit to the government,

8. Certified cost of specified and proposed products, equipment, materials and methods.

1.14 JOB CONDITIONS, CAUTIONS AND WARNINGS

A. Safety Data Sheets (SDS) must be on location at all times during the transportation, storage and application of materials. A separate set shall be given to the POC five (5) days prior to starting of the work.

1.15 WARRANTY

A. The contractor shall provide a written warranty for service including labor and materials for a period of one year from the date of startup with no dollar limitation and shall carry a manufacturer’s warranty of 5 years.

***END OF SECTION***

SECTION 02

REFRIGERATION SYSTEM

PART 1 GENERAL

1.0 SUMMARY

A. Section includes one refrigeration system.

B. Manufacture and Install in accordance with;

1. American Bearing Manufacturers Association:

a. ABMA 9 - Load Ratings and Fatigue Life for Ball Bearings.

b. ABMA 11 - Load Ratings and Fatigue Life for Roller Bearings.

2. Air Movement and Control Association International, Inc:

a. AMCA 99 - Standards Handbook.

b. AMCA 210 - Laboratory Methods of Testing Fans for Aerodynamic Performance Rating.

c. AMCA 300 - Reverberant Room Method for Sound Testing of Fans.

d. AMCA 301 - Methods for Calculating Fan Sound Ratings from Laboratory Test Data.

3. Air-Conditioning and Refrigeration Institute:

a. ARI 410 - Forced-Circulation Air-Cooling and Air-Heating Coils.

b. National Electrical Manufacturers Association.

c. NEMA MG 1 - Motors and Generators.

4. Underwriters Laboratories Inc.:

a. UL 900 - Air Filter Units.

b. UL - Fire Resistance Directory.

1.1 SUBMITTALS

A. Shop Drawings: Indicate assembly, unit dimensions, weight loading, required clearances, construction details, field connection details, and electrical characteristics and connection requirements.

B. Product Data; Submit the following:

1. Published Literature: Indicate capacities, ratings, gages and finishes of materials, and electrical characteristics and connection requirements.

2. Filters: Data for filter media, filter performance data, filter assembly, and filter frames.

3. Fans: Performance and fan curves with specified operating point plotted, power, RPM.

4. Sound Power Level Data: Fan outlet and casing radiation at rated capacity.

5. Electrical Requirements: Power supply wiring including wiring diagrams for interlock and control wiring.

Indicate factory installed and field installed wiring.

C. Manufacturer's Installation Instructions.

1.2 CLOSEOUT SUBMITTALS

A. Operation and Maintenance Data: Submit instructions for lubrication, filter replacement, motor and drive replacement, spare parts lists, and wiring diagrams.

B. Provide one copy of the warranties.

1.3 QUALIFICATIONS

A. Manufacturer: Company specializing in manufacturing products specified in this section with minimum five years documented experience.

B. Installer: Company specializing in performing Work of this section with minimum five years documented experience approved by manufacturer.

1.4 DELIVERY, STORAGE, AND HANDLING

A. Accept units and components on site in factory protective containers, with factory shipping skids and lifting lugs.

Inspect for damage.

B. Protect units from weather and construction traffic by storing in dry, roofed location.

1.5 WARRANTY

A. Provide warranty service including labor and materials for a period of one year from the date of startup. The compressor will carry a warranty of 5 years.

PART 2 PRODUCTS

2.1 REFRIGERATION SYSTEM

A. Manufacturer Specifications:

1. Existing Condensing Unit: See Appendix: A

2. Existing Evaporator Unit: See Appendix: B http://www.specagent.com/LookUp/?ulid=8345&mf=04&src=wd

PART 3 EXECUTION

3.1 INSTALLATION / BUILDING 166

A. Install in accordance with manufacturer recommendations, and as specified in contract documents.

B. Remove existing refrigeration system B; to include, but not limited to:

1. Detaching from electrical connections,

2. Reclaiming refrigerant,

3. Removing wall mounted evaporator and pad mounted condenser,

4. And units and all associated parts/components removed shall be legally disposed of by the contractor off site.

C. Replace refrigeration system B with equipment that meets or exceeds existing equipment and associated parts/components; to include, but not limited to:

1. Install one new ground-level, air-cooled condensing unit,

2. Install one new wall mounted evaporator with electrical defrost in walk-in freezer,

3. Install associated parts/components to include; new refrigerant piping, new drain line piping with self-regulating heat tape, new TXV, new drop solenoid, and suction lines insulated and all seams glued to prevent ambient air contact,

4. Refrigerant Lines on exterior wall will be encased in hard duct,

5. Reattach electrical wiring,

6. All existing penetrations for refrigeration and electrical lines shall be reutilized and properly sealed,

7. Provide factory trained representatives to perform nitrogen pressure test to ensure a leak free refrigerant circuit, systems evacuation, refrigerant charging, and start and checks of system,

8. Demonstrate system is fully operational.

***END OF SECTION ***

Appendix A

Appendix B