SOW HVAC Replacements .pdf

BASE HVAC REPAIRS

REPLACE HVAC SPLIT BLDG 6000 & REPLACE CHILLER BLDG 2045

STATEMENT OF WORK

PROJECT NUMBERS: PJMS242002 and PJMS242003

MARYLAND AIR NATIONAL GUARD

MARTIN STATE AIRPORT

NATIONAL GUARD STATION

BALTIMORE, MARYLAND 21220

13 DECEMBER 2023

1 General Project Information:

1.1 Project Location and Background: This project is located at the Martin State Airport

Maryland Air National Guard, Baltimore, MD 21220, and work will be completed at two (2) locations, facility 6000 and facility 2045.

1.1.1 Facility 6000 is the main gate guard house where security forces personnel and civilian contractors control access to the base. Identification cards are checked, and vehicle inspections are conducted at this facility. The guard house is climate controlled by a ductless split HVAC unit which provides comfort heating in the winter and cooling in the summer. The unit is the original unit installed in 2010 and is not functioning properly.

1.1.2 Facility 2045 once housed the full mission combat trainer, and its use changed to conduct Cyber Operations. With this change the HVAC system is oversized for the current use.

1.1.3 The contractor is responsible for providing specifications and field verify all site conditions, dimension and other factors which may affect the work of both locations.

Contractor will provide all tools, materials, equipment, labor, and items as needed to properly complete a ductless split system replacement for both locations.

1.1.4 For facility 2045, the contractor will remove and replace the existing CGAFC040 chiller S#C07A00358 and install a new re-sized chiller for the current load of 20 tons.

1.2 Site Description: This facility always requires security protection. Absolutely no photography of aircraft is permitted. The work areas are shown in the Site Plan submitted. See attached base map.

1.3 Use of Premises: The Contractor shall assume full responsibility for protection and security of materials and equipment stored on site.

1.3.1 Contractor shall move any stored products, under their control, which interfere with operations of the Government.

1.3.2 The contracting officer representative (COR) will determine the equipment, material and other staging locations or work areas available under this contract.

1.4 Government Equipment: Contractor use of Government owned or leased equipment such as: hoists, forklifts, compressors, welding machines, cutting rigs, etc. shall not be permitted on either a reimbursable or non-reimbursable basis. Cost for all equipment required to accomplish the work shall be included in the Contractor’s final bid price.

1.5 Permits and Inspections: Normally no permits or inspections by local building officials are required. All inspections will be performed by COR and Trane manufacturer representative unless modified by the Statement of Work. All testing will be performed by the contractor unless modified within the construction documents.

1.5.1 Digging Permit: This permit is obtained from the Work Control Office (Facility 2100) at

(410) 918-6300. The Contractor is responsible for contacting ‘Miss Utility’ to mark the gas and electrical lines. The Contractor is responsible for hiring a private underground utility locating company to mark the water, sanitary sewer, storm sewer, broadband cable, and communication lines.

1.5.2 Burn Permit: Unless otherwise specified in other sections of this specification, the use of burning equipment or open flame welding and cutting shall be allowed only as authorized in writing by the local Fire Inspector (Facility 3150). Once approved by the Fire Inspector, a written AF Form 592 – USAF Welding, Cutting, and Brazing Permit will be issued. The permit will be issued by the fire department within one (1) hour of request and must be renewed daily.

1.6 Hours of Operations: The hours of operations at Martin State Airport for the Air National Guard are 10 hours per day (0630 – 1700) Tuesday – Friday. Coordinate access to premises with COR, for execution of work. Emergency situations, military operations, or other contingencies may cause suspension of work or restrictions on access to the construction site.

1.7 Off-Hours Work: Except as otherwise specified, all work shall be performed during regular work hours (indicated above). If the Contractor desires or is required to work on Mondays, Saturdays, Sundays, Holidays or other hours outside normal work schedule, the Contractor shall be required to seek written approval from the Contracting Officer. The Contractor is not entitled to premium time if the request is approved.

1.8 Change Orders: Only the COR or the Contractor may initiate change order requests. Do not proceed with any work until a signed modification or other written authority is received from the Contracting Officer. Only the Contracting Officer may approve a change order.

1.9 Field Changes: No changes in the cost or the scope of the project may be made without processing a change order. Field changes not involving cost or scope may be initiated by the Base Civil Engineer (BCE), COR, Contracting Officer, or the Contractor.

1.10 Daily Report and Sign-In Register: Each day the Contractor is on site to perform any work, the Superintendent/Foreman shall sign in at the Base Engineering Building (Facility 2100), indicating specific Facility/Location and the number of persons who shall be performing work that day.

1.11 Clean up: The work site is an active civilian and military airport. Site cleanliness and Foreign Object Debris (FOD) control is essential. The Contractor will clean up all construction debris and refuse and will remove it from the work site and the Base daily at their own expense.

1.12 Safety: The Contractor is responsible for performing all work In Accordance With (IAW) State and Federal OSHA requirements as well as compliance with the most current USACE EM 385- 1-1.

1.13 Environmental Protection and Waste Disposal: The disposal of all materials, which may include hazardous or toxic liquids that are used to perform the work, shall conform to all Federal, State, and Local environmental regulations. All dumpster service and waste management shall be provided at no additional cost to the Government. All recyclable metal shall be placed into Martin State Airport scrap metal recycling containers. Please contact the Base Environmental Scientist Greg Elmore at (410) 918-6486 for detailed information.

For more information, review “Environmental Protection Plan for Contractors”, which will be provided during the solicitation phase.

1.14 Hazardous Materials: If suspected hazardous materials are discovered, do not disturb, contact the COR.

1.15 Drawings: Drawings furnished by the government to the Contractor may be used for general information only and shall not be relied upon or used as the basis for preparation of contract drawings required by this contract without complete on-site verification by the Contractor.

1.16 Drawings are to be approved by the Base Civil Engineer and COR.

1.17 Description of Work: The Contractor shall describe in his or her proposal how they will manage the project. The Contractor shall identify key staff and their abilities to manage projects of this magnitude, including scheduling methods, reporting, and execution.

1.18 Military Real Property Data – DD Form 1354 Worksheet: The Contractor shall furnish real property data to the Government via the DD Form 1354 worksheet, Building Information Checklist for the Transfer and Acceptance of Military Real Property, for each new construction and/or renovation project awarded, unless otherwise notified. The cost and unit of measure of each individual asset must be identified separately. If demolition work is within the scope of the project, demolished assets and demolition costs must also be identified. The Contractor is responsible for accuracy of data, current up to the time of completion. The Contractor should contact the Real Property Office at 410-918-6222 with questions pertaining to the DD Form 1354 worksheet. For construction data assistance, Contractor may contact the 175th Base Civil Engineer’s Office to speak with the COR, or Project Manager assigned to the project. See attachment 3.

1.19 Inspections: Contractor shall have Trane manufacturer inspection team inspect the chiller.

An inspection of the completed work shall be conducted by the Contracting Officer Representative (COR) prior to reoccupation of the work site by Government Personnel.

1.20 Construction Performance Period: The Contractor shall confirm the proposed construction performance period which is 90 days. The proposed performance period will be included in the Cost Proposal.

1.21 Meetings: A Preconstruction Meeting will be required post award and prior to construction.

Weekly progress meetings will also be required.

1.22 Warranty:

1.22.1 Manufacturer’s Warranty: Contractor to install all HVAC system and components in a manner prescribed by Manufacturer to result in a minimum, one (1) year Certificate of Warranty on materials and workmanship. Contractor shall make all provisions to ensure Manufacturer acceptance and issuance of Manufacturer Written Warranty, including but not limited to, any corrections and or revisions identified by authorized Manufacturer’s Representative.

1.22.2 Contractor (Installer) Warranty: Contractor shall provide Certificate of Warranty for workmanship, including labor and materials for a period not less than one (1) year from date of Manufacturer’s Letter of Acceptance, which shall indicate contractor has reached substantial completion.

1.23 Quality Control: The Contractor shall establish and maintain quality control to assure compliance with contract requirements and shall maintain records of his quality control for all construction operations required under this section. A copy of these records, as well as the records of corrective action taken, shall be furnished to the Government.

1.24 Existing Utility Interruptions: Do not interrupt utilities serving facilities occupied by Owner or others unless permitted under the following conditions:

1.24.1 Notify the COR prior to arranging with Baltimore Gas and Electric (BG&E) to shut off and turn on electrical and/or natural gas utilities. Notify the COR not less than 7 days in advance of proposed utility interruptions. The Government will be responsible for all BG&E connection fees. Do not proceed with utility interruptions without the COR’s written permission.

1.24.2 Owner’s Trades personnel will make the necessary disconnects of any / all utilities, and reconnections of the same, upon completion by the contractor. Notify the COR not less than 7 days in advance of proposed utility interruptions.

1.25 Product Information: Provide all material submittals utilizing AF IMT 3000. Submittals will be reviewed by the Government and sent back. If a submittal is disapproved, vendor will need to resubmit prior to ordering materials. Submit 1 electronic sets of all AF IMT 3000 with attachments. If a hard copy is required, then the vendor shall submit 4 sets; 1 set for BCE, 1 set for Contracting, and 2 sets will be returned to the Contractor.

1.26 Submittals: Prior to start of work, Contractor shall submit the following for review and acceptance by Civil Engineering:

1.26.1 Production Schedule

1.26.2 Safety Plan/AHA

1.26.3 Safety Data Sheets (SDS)

1.26.4 Two (2) ton Hyper heat Outdoor unit

1.26.5 Four (4) Way Ceiling Cassette unit

1.26.6 Temperature Controls

1.26.7 Electrical components

1.26.8 All components, materials to complete this project.

1.26.9 Manufacturer Letter of Certification: Documenting that Contractor is qualified to install the Manufacturer’s HVAC System, which will result in Manufacturer’s Warranty, without undue limitations.

1.27 Base Access: The contractor shall comply with all applicable installation/facility access and local security policies and procedures, which may be obtained from the Contracting Officer’s Representative (COR). The contractor shall also provide all information required for background checks to meet installation access requirements to be accomplished by the local installation’s Security Forces, Director of Emergency Services, or local Security Office. The contractor shall ensure compliance with all personal identity verification requirements as directed by DoD, HAF and/or local policy. Should the Force Protection Condition (FPCON)

1.28 Contractor and all associated sub-contractors employees shall comply with adjudication standards and procedures using the National Crime Information Center Interstate Identification Index (NCIC-III) and Terrorist Screening Database (TSDB) (AFI 10-245, AFI

31-101 and AFMAN 31-113), applicable installation, facility and area commander installation/facility access and local security policies and procedures (provided by government representative), or, at OCONUS locations, in accordance with status of forces agreements and other theater regulations.

1.29 All contractor employees, to include subcontractor employees, requiring access to US Government installations, facilities and controlled access areas shall complete AT Level I training within 45 calendar days after contract start date or effective date of incorporation of this requirement into the contract, whichever is applicable. AT Level I may be accomplished by a Level I qualified instructor, completing the Force Protection computer-based training (CBT) course on Joint Knowledge Online (JKO) at https://jkodirect.jten.mil/Atlas2/ faces/page/login/Login.seam. For those without a CAC, select "Non-CAC" user on the JKO site. Tracking for each contractor or subcontractor employee is the responsibility of the COR or unit AT Representative.

2 PJMS242003: Ductless Split HVAC Replacement Scope of Work for Facility 6000:

2.1 Existing Condition: Replacement shall match existing. The existing system is a split system heat pump with backup electric heat. Split system consists of a ceiling cassette type indoor unit complete with outdoor air connection, motorized louvers, 3KW electric heat and built-in condensate pump. The remote outdoor heat pump is equipped with low ambient control.

The system is charged with R-410A refrigerant. The unit is rated for 17,000 BTU cooling, 16,900 BTUH heating, 560 CFM (medium speed), 13.0 SEER, 208/1/60, 16.3 MCA (indoor unit), 12.1 MCA (outdoor unit), .5 FLA (indoor fan motor. Basis of design: Carrier model

40KMQ018/38QRF018.

2.2 Demolition: Contractor shall do all corresponding work that is necessary to complete the work described in this Statement of Work (SOW) i.e., trapping, select-demo, moving dumpster, etc.

2.2.1 Contractor shall remove and reinstall any components necessary to complete this statement of Work (SOW) i.e., piping, flow switches, controls, valves water pumps, etc.

2.2.2 Contractor shall remove and dispose of existing unit.

2.3 Installation Building 6000: All installation and work are to be finished in accordance with manufacture guideline for installation.

2.3.1 Isolate and drain Chiller.

2.3.2 Contractor shall provide and install a new 2-ton Hyper heat outdoor unit.

2.3.3 Contractor shall provide and install a new 4-way ceiling cassette unit.

2.3.4 Contractor shall provide and install new temperature control.

2.3.5 Contractor shall reconnect power and reconnect to existing condensate drain.

2.3.6 All equipment shall be tested prior to the Government’s final acceptance. Contractor shall start and test operation of HVAC system and provide one (1) hour training on usage and features of new system.

3 Chiller Replacement Scope of Work for Facility 2045:

3.1 Demolition: Contractor shall do all corresponding work that is necessary to complete the work described in this Statement of Work (SOW) i.e., trapping, select-demo, moving dumpster, etc.

3.1.1 Contractor shall remove and reinstall any components necessary to complete this statement of Work (SOW) i.e., piping, flow switches, controls, valves water pumps, etc.

3.1.2 Contractor shall remove existing CGAFC040 chiller S#C07A00358.

3.2 PJMS242002 Installation Building 2045: All installation and work are to be finished in accordance with manufacture guideline for installation.

3.2.1 Isolate and drain Chiller.

3.2.2 Contractor shall provide and install a new Trane CGAM020, 20-ton air cooled chiller.

3.2.3 Contractor shall provide and install a new electrical disconnect and wiring between disconnect and chiller.

3.2.4 Contractor shall provide and install new flow switch and local controls per manufacturer specifications.

3.2.5 Contractor shall provide and install new pipe and fittings to connect the new chiller to the existing piping. Include isolation valves to isolate the new chiller from the loop. Verify piping size in field. It is 2.5 inches per as-builts.

3.2.6 Contractor shall provide and install 2 new chilled water pumps resized for new flow rate.

3.2.7 Contractor shall provide and install a tee and full port isolation valve in the chilled water lines outside to allow for temporary chiller tie in in the event of an emergency. Valve and pipe size shall be verified in the field.

3.2.8 Contractor shall provide and install insulation with metal jacket on new piping.

3.2.9 All equipment shall be tested prior to the Government’s final acceptance. Contractor shall start and test operation of HVAC system and provide two (2) hour training on usage and features of new system.

4 Certifications: Technician must be licensed in the state possess at least two of the following certifications: EPA Certification, R-410A Certification, Indoor Air Quality Certification, NATE Certification, and Preventive Maintenance HVAC Certification.

5 Standards: Unified Facilities Criteria (UFC) 3-410-01Heating, Ventilating, And Air Conditioning Systems, With Change 8, 1 July 2013, Change 8, 21 July 2021, UFC 3-410-02 Direct Digital Control For HVAC And Other Building Control Systems, With Change 2, 18 July 2018, Change 2, 12 April 2021.

6 Codes: National Fire Protection Association, national building code adopted by the local jurisdiction for wind, snow and seismic loads, Underwriters Laboratories and Factory Mutual

7 List of attachments:

7.1 Base map (Site Plan)

7.2 As-Built Mechanical Drawings

--------- End Statement of Work ---------

FACILITY 6000

1- CARRIER 4-WAY CEILING CASSETTE UNIT. 2- 2-TON HYPER HEAT OUTDOOR UNIT.

3- CONDESATE DRAIN. 4- THERMOSTATE.

FACILITY 2045

1- EXISTING CHILLER. 2- WATER PUMPS.