2 - NWWP92062100014 SOW.pdf

Statement of Work

HVAC Replacements

Weather Forecast Office JAX Jacksonville FL

October 14, 2020

Background:

The National Weather Service (NWS) Weather Forecast Office (WFO) Jacksonville, FL (JAX) mechanical/electrical systems need replacement. The existing systems are beyond their useful lives due to age and are inefficient.

Objectives:

Replace operations area HVAC split system (2) 20-ton HVAC ACU (Condenser model# H4CE180A46A Serial # NFLM067318 and Air Handler model # Carrier 39LA1101AA1131-L Serial # 1694T53113) and (1) 8-ton HVAC ACU (Condenser model # 38AE014-6 and Air Handler Model # Carrier 39LA1061AA1131-R) and all associated equipment for the three split systems shall be replaced. NWS WFO is an active operation. HVAC disruption must be minimized to allow for sustained operations.

The government may award one or more tasks. A pre-bid site visit is highly recommended. It is the responsibility of the contractor to inform himself of all existing issues with the systems.

Contractor shall provide pricing for each task

Scope:

Task 1 - Replace HVAC Split System AHU/ACU #’s1 & 2 (Operations Area)

Replace both Split DX Refrigerant Systems – Air Cooled, Air Conditioning Units 20-ton units.

New units will be 15-ton Carrier Units or equivalent. New units will have two stage compressors using a new line set accordance with the design to the air handler. Each compressor will be commanded stage 1 and stage 2. New Units will have matching ACU’s or equivalent and will have intertwined Evaporator Coils. New units shall, use R410A refrigerant, include low ambient kits, and hail guards for the condensing units. Replace refrigerant line sets and components to match new condenser unit and air handler. Work includes all required services for delivery and installation of the new units, as well as removal and replacement of the existing HVAC Systems. New units will be Energy Star Certified. All units will have factory installed corrosion coatings. All exterior electrical piping shall be rigid galvanized piping to seal tight flexible conduit. Insulate all copper piping to industry standards. Contractor is required to include any electrical system changes, and integrate operations with new existing DDC. Existing DDC is Automated Logic controls. Contractor shall work with NWS 3rd party commissioning and TAB agent. Contractor shall submit 90% drawings and phasing plan for review and replacement. Contractor shall minimize down time of HVAC. This is turn-key effort within the scope of this contract. Adjust outside air to the ASHRAE standards for

OFFICE

Task 2 - Replace HVAC Split System AHU/ACU #3 (Administrative Area)

Replace Split DX Refrigerant Systems – Replace Split DX Refrigerant System – Air Cooled, 8-ton Air Conditioning Unit. New units will be 8-ton Carrier Units or equivalent. New units will have two stage compressors using and new line set in accordance with the design to the air handler. Each compressor will be commanded stage 1 and stage 2. New Units will have matching ACU or equivalent and will have intertwined Evaporator Coils. New units shall use R410A refrigerant, include low ambient kits, and hail guards for the condensing units. Replace refrigerant line sets and components to match new condenser unit and air handler. Air Handler shall have existing evaporator coil and expansion valves replaced with R410A compatible coils and valves. Work includes all required services for delivery and installation of the new unit, as well as removal and replacement of the existing HVAC Systems. New unit shall be Energy Star Certified. All units shall have factory installed corrosion coatings. All exterior electrical piping shall be rigid galvanized piping to seal tight flexible conduit. Insulate all copper piping to industry standards. Contractor is required to include any electrical system changes, and integrate operations with new or existing DDC. Existing DDC is Automated Logic Control system. Contractor shall work with NWS 3rd party commissioning and TAB agent. Contractor shall submit 90% drawings and phasing plan for review and replacement. Contractor shall minimize down time of HVAC. This is turn-key effort within the scope of this contract. Adjust outside air flow to the ASHRE standards.

Task 3 –Update HVAC Building Automation System

Upgrade existing Automated Logic Software to the newest Automated Logic version.

Reference recommendations on BAS System in Attachment A Table 1 Items 38-45.

• Furnish & install duct temperature/humidity sensors.

• Furnish & install damper actuators as needed.

• Furnish and install new outside air temp and humidity sensors.

• Furnish and install new control relays.

• Furnish and install new control relays, transducers, and sensor for new air handlers and condensing units.

• Provide all necessary wiring and parts required for a complete and operational system.

• Provide all system programming for controllers.

• Upgrade programming and graphics to show alarms of individual equipment

Provide complete system startup and commissioning of all HVAC Controls installed.

• Training of the complete system, to be provided by the contractor and will include system description and orientation, operation of the complete system, web-based access and troubleshooting procedures of likely failures.

• Provide Operation and Maintenance manuals, including detailed operation procedures, drawings, a detailed bill of materials, and a recommended spare parts list.

• Repair electric duct heaters #1 & # 3. Reference Attachment A Table 1 items 35-36

• Connect BAS system to UPS power circuit to ensure uninterrupted operations.

• Inspect and Repair or replace the Back draft dampers

Security:

The contractor(s) will be required to sign in each morning at the front reception area and sign out each evening.

*** The C & A requirements of clause 73 does apply and a Security Accreditation Package is required. ***

Place of Performance:

National Weather Service Forecast Office 13701 Fang Drive Jacksonville FL 32218

Period of Performance:

Provide a fully functional and operational system 150 days from contract award date.

Project Warranty:

Contractor shall provide a written warranty for the installed system for a period of (1) one for year parts and (1) one year for labor from the date of acceptance.

STANDARD CLAUSES

A. Compliance.

The Contractor shall comply with all local, state, and Federal environmental, health, and safety regulations while conducting this work. In addition, the Contractor shall ensure that all work complies the applicable, current codes and be responsible for all licenses, permits and fees required to complete this project. Typical codes are referenced here:

• Occupational Safety & Health Standards (OHSA) Safety Requirements

• Uniform Building Code (UBC)

• Uniform Facilities Criteria (UFC)

• American National Standards Institute (ANSI)

• American Society of Testing & Materials (ASTM)

• American Society of Heating, Refrigerating, and Air-conditioning Engineers (ASHRAE)

• Sheet Metal & Air Conditioning Contractor’s Association (SMANCA)

• Applicable local, states, and federal codes and standards

• Energy Star Certification Program

B. Disposal.

The Contractor will be required to properly remove and dispose of all waste material in an environmentally friendly manor.

C. Guidelines.

The Project shall follow the guidelines stated in the Statement of Work, site diagrams, blueprint, and any contractor provided quoted documents. All modifications must be submitted and approved by the Contracting Officer.

D. Hours of Operation.

Work shall be performed between 7:00am & 5:00pm Central time Monday thru Friday unless otherwise approved by the COR. Contractor agrees to observe all Federal Holidays, and any other day off work designated by Federal Statute, Executive Order, or Presidential Proclamation:

New Year’s Day, Labor Day, Columbus Day, Veteran's Day, Thanksgiving, Christmas, Memorial Day, Presidents Day, Independence Day & Martin Luther King Day.

E. Facility Access.

A Project sign in sheet shall be completed each day for all contractors, contractor employees and sub-contractors on site.

F. Government Contact.

The on-site technical representative will serve as the Government’s point of contact for all submissions.

G. Documents.

The Government does not warrant that any documents provided as attachments to be free from discrepancies, ambiguities, errors, omissions, or changing conditions. It is the responsibility of the Contractor to confirm existing conditions and resolve discrepancies between documents.

H. Project Duration

Project shall be completed within 150 days of notice to proceed.

SAFETY AND EMERGENCY PLAN:

A. The Contractor shall observe and institute all applicable OSHA safety requirements and procedures to prevent accidents and injuries to both Contractor and Government employees including 40 CFR 1926 Subpart M for fall protection requirements.

B. The Contractor shall designate one person as Safety Coordinator for purposes of communication between the Contractor and the National Weather Service COR Primary Contact Jorge Negrete at 830-401-2055.

C. Contractor shall provide a Safety Plan and Procedure to protect employees from being injured while on the job site. Submit plan to the Contracting Officer for review and approval.

D. Contractor shall provide an Emergency Plan and Procedure to provide immediate care for an employee injured while on the job site. Submit plan to the Contracting Officer for review and approval.

GOVERNMENT PROVIDED MATERIALS AND/OR SERVICES

A. EXCLUSIONS:

Unless otherwise indicated elsewhere in this SOW, the Government will provide no data, materials, equipment and/or services to the Contractor. Any and all research required to fulfill the SOW described herein, shall be the responsibility of the Contractor. The Government retains the right to request the Contractor to acquire additional information on behalf of the Government.

B. WARRANTY:

The Government does not warrant that any documents provided as attachments to be free from discrepancies, ambiguities, errors, omissions, or changing conditions. It is the responsibility of the Contractor to confirm existing conditions and resolve discrepancies between documents.

C. SUBMITTALS:

Shall be sent to the Technical Representative.

***All submittals shall become the property of the U.S. Government***

END OF STATEMENT OF WORK