Statement of Work

DFAC Walk-In Cooler/Freezer Repairs

1.0 PURPOSE. To repair/replace cooling elements to bring all walk-in coolers and freezers back into operation in the OTS and Riverfront DFAC as well as the Warehouse (bldg 1033) in order to be able to have enough storage for the anticipated increase in officer accessions beginning in FY27.

2.0 SUMMARY OF WORK

The work covered by these specifications consists of furnishing all plant, labor, equipment, and materials, and performing all operations in connection with the commercial refrigeration equipment replacement, component removal, and related services at the Officer Training School (OTS) Dining Facility, Riverfront Inn Dining Facility, and the Dining Facility Warehouse coolers.

The work is outlined below and is to include all areas as indicated in strict accordance with these specifications, the manufacturer’s recommendations, and subject to the terms and conditions of the contract.

The work shall consist of the following three scopes:

2.1 Dining Facility Warehouse (Bldg 1033)

2.1.1 Storage Walk-In Cooler #1 & #2

2.1.1.1 Remove/dispose of the existing system.

2.1.1.2 Provide and install a new condensing unit, evaporator coil assembly, copper piping, fittings, insulation, electrical connections, and necessary mounting hardware.

2.1.1.3 Evacuate and dispose of the legacy R-22 refrigerant.

2.1.1.4 Coordinate lift/crane rentals for equipment positioning.

2.1.2 Overflow Storage Refrigeration System

2.1.2.1 Remove/dispose the non-operational refrigeration equipment within the designated overflow storage area.

2.1.2.1 Furnish and install a new condensing unit, evaporator, installation materials, copper fittings, insulation, and mounting components.

2.1.3 Hallway Refrigeration System

2.1.3.1 Remove/dispose of the existing system, addressing seized evaporator fan motors, contaminated coils, and obsolete R-12 refrigerant.

2.1.3.2 Furnish and install new condensing unit, new evaporator assembly, copper fittings, piping insulation, and fresh refrigerant charge.

2.2 Officer Training School (Bldg 1465)

2.2.1 Salad Walk-In Cooler Evaporator Coils

2.2.1.1 Replace both leaking evaporator coils serving the salad walk-in cooler in the main dining hall.

2.2.1.2 Furnish and install new evaporator coils, new filter drier, copper and PVC drain fittings and recharge the existing system using R-407C refrigerant.

2.2.2 Salad Bar Refrigeration Component

2.2.2.1 Safely recover refrigerant, disconnect, and remove internal refrigeration components from the existing front-lobby salad bar fixture.

2.2.2.2 Demolish and dispose of internal refrigeration piping, two (2) condenser sections, associated drain lines, and electrical connections.

2.2.2.3 Furnish and install a new condensing unit, evaporator assembly, mounting hardware, copper fittings, PVC drain lines, pipe insulation, and necessary refrigerant charge.

2.3 Riverfront Inn (Bldg 668)

2.3.1 Walk-In Freezer Refrigeration System

2.3.1.1 Furnish and install a new condensing unit, evaporator assembly, mounting hardware, copper fittings, PVC drain lines, pipe insulation, and necessary refrigerant charge.

2.3.2 Walk-In Cooler Refrigeration System

2.3.2.1 Remove/replace the failed refrigeration system serving the milk walk-in cooler.

2.3.2.2 Address complete loss of refrigerant, pitted/corroded evaporator coils, and physical wear.

2.3.2.3 Furnish and install a new condensing unit, evaporator, mounting hardware, copper and PVC fittings, insulation, and refrigerant charge.

2.3.3 Salad Walk-In Cooler Refrigeration System

2.3.3.1 Remove/replace the aging refrigeration equipment serving the salad walk-in cooler to prevent future system failures.

2.3.3.2 Furnish and install a new condensing unit, evaporator, copper and PVC fittings, mounting hardware, insulation, and refrigerant.

2.3.4 Meat Walk-In Cooler Refrigeration System

2.3.4.1 Remove/replace the aging refrigeration equipment serving the meat walk-in cooler.

2.3.4.2 Furnish and install a new condensing unit, evaporator assembly, piping insulation, mounting hardware, copper/PVC fittings, and refrigerant.

3.0 STANDARDS, SAFETY, AND CLEAN UP

3.1 Compliance: All work must meet municipal, state, and federal codes, and comply fully with OSHA standards.

3.2 Site Restoration: The Contractor, at the conclusion of the project, shall ensure all disturbed areas are restored to an "as-found" condition. Disturbed turf, tire marks/ruts, or any damage caused to tile and concrete sidewalks/cart paths must be repaired and restored to match surrounding finishes.

3.3 Workplace Safety: The Contractor shall maintain a clear, hazard-free, safe workplace at all times, securing the site from safety hazards at the end of each shift.

3.4 Daily Clean Up: At the end of each working day, the Contractor shall clean up the work site, which includes construction areas, material storage areas, parking/eating areas, and any other area affected by the equipment replacement process.

3.5 Overnight Equipment: All trailers, lifts, or heavy equipment left on base overnight must have storage locations approved by the Technical Monitor, with the Contractor’s name and phone number clearly visible.

3.6 Warranties: Contractor shall furnish manufacturer warranties for all newly incorporated refrigeration components (condensing units, evaporators, controls) and a minimum of one (1) year contractor workmanship warranty and offer the opportunity for the government to purchase extended warranties.

4.0 Building Occupancy & Schedule

4.1 BUILDING OCCUPANCY

4.1.2 Occupancy During Work: The OTS Dining Facility/Warehouse and the Riverfront Inn will remain occupied and fully operational during construction.

The Contractor shall perform the majority of work during normal working hours and coordinate closely with food service personnel to avoid disruptions to meal prep, dining, and storage operations. See 4.01.2 for allowed work windows.

4.1 SCHEDULE OF WORK

4.1.2 Schedule Submission: The Contractor shall be responsible for establishing a comprehensive schedule to meet construction milestones.

4.1.3 Project Duration: The Contractor shall have 120 calendar days from the issuance of the Purchase Order / Notice to Proceed to complete all deliveries, equipment replacements, electrical tie-ins, and successful startup of all ten refrigeration scopes.

4.1.4 Phasing of Work: Work shall be phased system-by-system to ensure the OTS Dining Facility and Riverfront Inn always maintain minimum necessary cold storage capabilities. No more than two (2) walk-in cooler/freezer systems shall be offline at any single facility simultaneously without prior approval.

5.0 General Coordination & Submittals

5.1 GENERAL COORDINATION

5.1.2 Government Coordination: The Contractor shall coordinate all work with the government to avoid interference with critical training and base activities.

The Contractor shall coordinate the work of all trades to prevent any scheduling or component placement conflicts.

5.1.3 Work Hours: The Contractor will perform all work during hours between 6:00 AM and 5:00 PM (normal working hours), Monday through Friday. Work is normally prohibited on weekends and the following federal holidays (unless coordinated with at least 72 hours in advance):

New Year’s Day

Martin Luther King, Jr.’s Birthday

Washington’s Birthday

Memorial Day

Juneteenth

Independence Day

Labor Day

Columbus Day

Veterans Day

Thanksgiving Day

Christmas Day

6.0 REMOVAL PROCEDURES

6.1 Disposal: All removed refrigeration equipment, scrap piping, electrical wiring, and debris become the property of the Contractor and must be transported off base.

6.2 Dumpster Use: Use of Government-contracted dumpsters is strictly prohibited. Unused materials, debris, and packaging shall be disposed of off-base in a permitted landfill.

7.0 REFRIGERANTS (MANDATORY REQUIREMENT)

7.1 EPA Compliance: All refrigerant recovery, handling, and disposal must be conducted by EPA Section 608 certified technicians.

8.0 GOVERNMENT-FURNISHED ITEMS

8.1 None (n/a).

9.0 HEALTH AND CODE STANDARDS

9.1 The Contractor must maintain strict compliance with base-specific health and safety standards:

9.1.2 HVAC / Mechanical Compliance: All refrigeration, cooling components, mechanical controls, and installations/alterations must meet all applicable standards and codes, including but not limited to NFPA 90 A/B, NFPA 72, UFC 4- 010-01 (Current Change), UFC 3-600-01, and the TSFPWG Addendum.

9.1.3 Electrical Modifications: All electrical installations, modifications, and breaker panel integration must be completed by a certified electrician in accordance with NFPA 70 (National Electrical Code).

9.1.4 Wall/Ceiling Penetrations: Flexible power cords must not pass through walls, floors, doors, or ceilings. Any penetrations in walls or ceilings (old or new) for refrigeration piping, electrical conduits, or drains must be appropriately fire-stopped using approved fire barrier materials.

9.1.5 Permits for Hot Work: Any hot work—including grinding, cutting, brazing, soldering, or hot tapping required for copper line set installation—requires a permit. The Contractor must contact the Maxwell AFB Fire Prevention Office to obtain permits prior to starting any hot work.

10.1 SECURITY Contractor Notification Responsibilities: The contractor shall notify the contracting officer within 30 days before on-base performance of the service. The notification shall include:

a. Name, address, and telephone number of contractor employees working on the contract.

b. The contract number and contracting agency.

c. The location(s) of service performance and future performance, if known.

d. The date service performance begins.

e. Any change to information previously provided under this paragraph.

10.2 Installation Access Requirements: The contractor shall obtain base identification and vehicle passes, if required, for all contractor personnel who make frequent visits to or perform work on the Department of the Air Force installation(s) cited in the contract.

Contractor personnel are required to wear or prominently display installation identification badges or contractor-furnished contractor identification badges while visiting or performing work on the installation.

The contractor shall submit a written request on company letterhead to the Contracting Officer (CO) listing the following: contract number, location of work site, start and stop dates, and names of employees and subcontractor employees needing access to the base.

The letter will also specify the individual(s) authorized to sign a request for base identification credentials or vehicle passes. The contracting officer will endorse the request and forward it to the issuing base pass and registration office or Security Forces for processing. When reporting to the registration office, the authorized contractor individual(s) should provide a valid driver’s license, current vehicle registration, and valid vehicle insurance certificate to obtain a vehicle pass.

During performance of the service, the contractor shall be responsible for obtaining the required identification for newly assigned personnel and for prompt return of credentials for any employee who no longer requires access to the work site.

Upon completion or termination of the contract or expiration of the identification passes, the prime contractor shall ensure that all base identification passes issued to employees and subcontractor employees are returned to the issuing office.

Failure to comply with these requirements may result in the withholding of final payment.

Vehicle Inspections. All commercial vehicles will be directed to Gate 3 (Kelly St) or Gate 4 (Congressman Dickenson for Gunter) for processing through the Commercial Vehicle Inspection (CVI) Area, when operational. During non-duty hours and holidays, commercial vehicle inspections will be conducted at Gate 1 (Maxwell Blvd) or Gate 4 (Congressman Dickinson Drive) only. Inspection members will conduct thorough inspections of the interior and exterior of the vehicle for items prohibited from the installation such as explosive devices, weapons and ammunition, drugs, and open or closed alcohol containers.

10.3 REAL ID Act: All Maxwell Air Force Base and Gunter Annex visitors must present a REAL ID-compliant credential to be issued a pass.

REAL ID-compliant cards have a star marking �on the upper portion of the card. If the card does not have a star marking, it is not REAL ID-compliant and won’t be accepted as proof of identity to board commercial aircraft or access military installations like Maxwell or Gunter.

Those without a REAL ID-compliant driver’s license may also use a U.S. passport or passport card, a Transportation Worker Identification Card (TWIC), a Veteran Health Identification Card (VHIC), or a combination of the following documents to be issued a pass:

• An original or certified true copy of a birth certificate with a raised seal

• A social security card

• A driver’s license issued by a state, territory, or the District of Columbia that is not REAL ID-compliant.

All three documents must reflect the same name (or a documented former name through legal name change documents such as a court order, marriage certificate, or divorce decree).

More information about accessing Maxwell can be found here: https://www.maxwell.af.mil/About-Us/Fact- Sheets/Display/Article/4024201/base-access-information/

10.4 Controlled/Restricted Areas: If work under this contract requires unescorted entry to controlled or restricted areas, the contractor shall comply with DAFI 31-101, Integrated Defense, and DoDM5200.02_DAFMAN 16-1405, Air Force Personnel Security Program.

If unescorted access is not authorized and the contractor requires access to controlled/restricted areas, they must be escorted by appropriately cleared government personnel at all times.

If work is required in a classified environment, the area must be sanitized, and the contractor will be escorted at all times by appropriately cleared government personnel.

10.5 Reporting Requirements: The contractor shall comply with DAFI 71-101, Volume- 1, Criminal Investigations, and AFI 71-101, Volume-2, Protective Service Matters, requirements. Contractor personnel shall report to 42d Air Base Wing Information Protection Office, any information or circumstances of which they are aware may pose a threat to the security of DoD personnel, contractor personnel, resources, and classified or unclassified defense information. Contractor employees shall be briefed by their immediate supervisor upon initial on-base assignment and as required thereafter.

10.6 Traffic Laws: The contractor and their employees shall comply with base traffic regulations set forth in AFI 31-218, Motor Vehicle Traffic Supervision and DoDM5200.08v3_AFMAN31-101v3, Installation Perimeter Access Control. Personnel in violation may be issued a Central Violations Bureau Form 1805 traffic ticket.

10.8 Random Installation Entry/Exit Checks: Entry/exit vehicle checks are conducted by order of the 42 ABW Commander. These checks are conducted for the purpose of safeguarding the base and protecting government property by discovering and seizing stolen property, classified information, and contraband. Refusal to submit to an installation (entry/exit) vehicle check may result in the loss of base driving privileges, revocation of base registration, or debarment action.

10.9 Cellular Phone Operation Policy: The use of cellular phones while operating a motorized vehicle is prohibited on Maxwell-Gunter. Although discouraged, drivers are authorized to use devices, i.e. ear bud or ear boom, which allows their cellular phone to be operated hands-free. The device must not cover both ears. This policy applies to everyone driving on Maxwell AFB and Gunter Annex. Personnel in violation may be issued a Central Violations Bureau Form 1805 traffic ticket.

10.11 Wireless Electronic Devices: The contractor will not establish their own Information Technology (IT) systems or networks (Local Area Networks [LAN], Wide Area Network [WAN], Cellular phone/USB Modem as WAN, Wi-Fi as WAN, etc.), or camera system without the direct permission of the Program Manager and governing communications and responsible information systems office (42 CS).

10.12 Firearms and Ammunition: Transporting weapons or ammunition, concealed or otherwise, IS NOT permitted by any non-law enforcement personnel on Maxwell AFB/Gunter Annex at any time regardless of state issued concealed weapons/LEOSA permits. Violations may result in criminal prosecution under applicable federal laws.

10.13 Illegal Weapons. The weapons below are considered illegal, unless specifically authorized by competent authority and are prohibited on Maxwell AFB/Gunter Annex. Violations may result in criminal prosecution under applicable federal laws.

a. Switchblade knives or knives with any type of automatic blade release.

b. An incendiary/explosive weapon (e.g., grenades, flash bangs).

c. Fireworks

d. Homemade mortars, aka "tennis ball launchers" or similar devices.

11.1 HOURS OF OPERATION

The Contractor will be able to accomplish this work between the hours of 7:00 AM and 5:00 PM. The Contractor will not normally be permitted to work on weekends or on the following legal holidays (or the day the Federal Government observes these holidays) unless he has coordinated such work with the contract representative at least seventy-two (72) hours in advance:

a. New Year's Day f. Labor Day

b. Martin Luther King, Jr.'s Birthday g. Columbus Day

c. Washington's Birthday h. Veteran's Day

d. Memorial Day i. Thanksgiving Day

e. Independence Day j. Christmas Day

If interruption of any building utility services such as but not limited to the following, chilled water, electrical power, domestic water, fire protection water supply, or communications are required, the subcontractor shall perform the work after 5:00 PM and before 7:00 AM on weekdays or normal work week hours during the weekend.

12.1 SAFETY REQUIREMENTS

All contractors engaged in operations at Maxwell AFB, Gunter Annex, AL are mandated to adhere strictly to all federal safety regulations delineated by the Occupational Health and Safety Administration (OSHA).

13.1 ENVIRONMENTAL PROTECTION REQUIREMENTS

The Contractor shall provide all labor, materials, equipment, and expertise necessary to ensure full compliance with federal, state, and local environmental protection requirements. The Contractor’s responsibilities shall include, but are not limited to, the following:

13.1.1 STORMWATER PERMIT AND STORMWATER POLLUTION PREVENTION PLAN

(SWPPP) COMPLIANCE

The contractor shall ensure that all activities comply with the requirements of the facility’s stormwater permit(s) and the associated Stormwater Pollution Prevention Plan (SWPPP). This includes maintaining up-to-date documentation, conducting regular inspections of stormwater control measures, and implementing corrective actions as needed to prevent unauthorized discharges. The Contractor shall prepare and submit all required reports, records, and documentation to demonstrate ongoing compliance with applicable stormwater regulations.

13.1.2 WASTEWATER AND RUNOFF MANAGEMENT

The Contractor shall manage all wastewater and site runoff in accordance with regulatory requirements. This includes the proper collection, treatment, and disposal of wastewater generated by facility operations. The Contractor shall implement measures to prevent the introduction of pollutants into stormwater or sanitary sewer systems and shall ensure that all runoff is controlled to minimize environmental impact. The Contractor shall monitor discharge points as required and maintain records of all wastewater management activities.

13.1.3 SPILL AND DISCHARGE NOTIFICATION

The Contractor shall promptly identify, contain, and report any spills, leaks, or unauthorized discharges of hazardous or regulated materials in accordance with federal, state, and local notification requirements. The Contractor shall maintain and follow an established spill response protocol, including immediate notification to designated facility personnel and regulatory authorities, as required. The Contractor shall notify the contract representative of any spills, leaks, and discharges of hazardous waste immediately. The Contractor shall document all incidents, response actions taken, and outcomes, and submit incident reports as specified by applicable regulations.

13.1.4 DEBRIS AND WASTE DISPOSAL

The Contractor shall collect, handle, and dispose of all debris, solid waste, and hazardous materials generated by facility operations in accordance with all applicable laws and regulations. This includes the segregation of waste streams, use of approved containers, and coordination with licensed disposal facilities. The Contractor shall maintain accurate records of waste generation, storage, transport, and disposal, and shall provide documentation to demonstrate compliance with regulatory and permit requirements.

All work performed under this task shall be conducted in a manner that protects human health and the environment and supports the facility’s overall environmental compliance objectives.

14.1 GENERAL REPORT REQUIREMENTS

The contractor must provide all written reports in electronic format with read/write capability using applications that are compatible with USAF workstations (Microsoft Office Applications).

15.1 TRAVEL

Claims for travel or lodging except where otherwise noted herein will not be authorized or accepted. Unless otherwise noted, all travel, contractor employee pay, supplies, equipment and lodging associated with this contract is to be considered as part of the contractor’s bid or proposal.

16.1 GOVERNMENT FURNISHED RESOURCES

The Government will provide the following resources to the Contractor for the work required under this contract:

Building access between the hours of 0800 and 1600 EST, Monday through Friday (except Federal holidays).

17.1 CONTRACTOR FURNISHED PROPERTY

The Contractor must furnish all facilities, PPE, materials, equipment and services necessary to fulfill the requirements of this contract, except for the Government Furnished Resources specified in SOW Section 6.0.

18.1 GOVERNMENT ACCEPTANCE PERIOD

The contract representative will review deliverables prior to acceptance and provide the contractor with an e-mail that provides documented reasons for non-acceptance. If the deliverable is acceptable, the contract representative will send an e-mail to the Contractor notifying it that the deliverable has been accepted.

The contract representative will have the right to reject or require correction of any deficiencies found in the deliverables that are contrary to the information contained in the Contractor’s accepted proposal. In the event of a rejected deliverable, the Contractor will be notified in writing by the contract representative of the specific reasons for rejection. The Contractor may have an opportunity to correct the rejected deliverable and return it per delivery instructions.

19.1 The contract representative will have 10 business days to review deliverables and make comments. The Contractor must have 10 business days to make corrections and redeliver.

20.1 The Contractor must work with the contract representative reviewing the deliverables to assure that the established period of performance completion date is achieved.

21. ADDITIONAL CONTRACT TERMS AND CONDITIONS:

CONTRACTOR ACCESS TO AIR FORCE INSTALLATIONS

(a) The contractor shall obtain base identification and vehicle passes, if required, for all contractor personnel who make frequent visits to or perform work on the Department of the Air Force installation(s) cited in the contract. Contractor personnel are required to wear or prominently display installation identification badges or contractor-furnished, contractor identification badges while visiting or performing work on the installation.

(b) The contractor shall submit a written request on company letterhead to the contracting officer listing the following: contract number, location of work site, start and stop dates, and names of employees and subcontractor employees needing access to the base. The letter will also specify the individual(s) authorized to sign for a request for base identification credentials or vehicle passes. The contracting officer will endorse the request and forward it to the issuing base pass and registration office or Security Forces for processing. When reporting to the registration office, the authorized contractor individual(s) should provide a valid driver's license, current vehicle registration, valid vehicle insurance certificate, and all appliable base regulations to obtain a vehicle pass.

(c) During performance of the contract, the contractor shall be responsible for obtaining required identification for newly assigned personnel and for prompt return of credentials and vehicle passes for any employee who no longer requires access to the work site.

(d) When work under this contract requires unescorted entry to controlled or restricted areas, the contractor shall comply with all appliable base regulations citing the appropriate paragraphs as applicable.

(e) Upon completion or termination of the contract or expiration of the identification passes, the prime contractor shall ensure that all base identification passes issued to employees and subcontractor employees are returned to the issuing office.

(f) The contractor shall provide an after-hours contact number or after-hours email in the Emergency Mass Notification System (EMNS) for each of their personnel, whose normal place of duty is on a DoD installation or within a DoD facility. The contractor shall comply with any additional requirements in DAFMAN 10-206 for emergency operational reporting. Foreign Nationals may participate and may remove themselves from the Emergency Mass Notification System at any time. To update information, personnel can access the globe icon on their system desktop screens and choose the "Access Self- Service" option.

(g) Failure to comply with these requirements may result in withholding of final payment.

(END OF CLAUSE)

OMBUDSMAN

(a) An ombudsman has been appointed to hear and facilitate the resolution of concerns from offerors, potential offerors, and others for this acquisition. When requested, the ombudsman will maintain strict confidentiality as to the source of the concern. The existence of the ombudsman does not affect the authority of the program manager, contracting officer, or source selection official. Further, the ombudsman does not participate in the evaluation of proposals, the source selection process, or the adjudication of protests or formal contract disputes. The ombudsman may refer the interested party to another official who can resolve the concern.

(b) Before consulting with an ombudsman, interested parties must first address their concerns, issues, disagreements, and/or recommendations to the contracting officer for resolution. Consulting an ombudsman does not alter or postpone the timelines for any other processes (e.g., agency level bid protests, GAO bid protests, requests for debriefings, employee-employer actions, contests of OMB Circular A-76 competition performance decisions).

(c) If resolution cannot be made by the contracting officer, the interested party may contact the ombudsman, Primary: Lt Col Barbara Divine, Director of Staff, AFICC/KT, Telephone Numbers: (210) 652-7822 (DSN: 487-7822); or Alternate: Mr. Todd S. Joyner, Chief, Clearance & Program Support Division, Telephone Number: (210) 652-7075 (DSN:

487-7075). Address: 2035 First Street West, JBSA Randolph TX 78150-4304. E-mail Addresses: barbara.divine@us.af.mil and todd.joyner@us.af.mil. Concerns, issues, disagreements, and recommendations that cannot be resolved at the Center/MAJCOM/DRU/SMC ombudsman level, may be brought by the interested party for further consideration to the Air Force ombudsman, Associate Deputy Assistant Secretary (ADAS) (Contracting), SAF/AQC, 1060 Air Force Pentagon, Washington DC 20330-1060, phone number (571) 256-2395, facsimile number (571)256-2431.

(d) The ombudsman has no authority to render a decision that binds the agency.

(e) Do not contact the ombudsman to request copies of the solicitation, verify offer due date, or clarify technical requirements. Such inquiries shall be directed to the contracting officer.

HEALTH AND SAFETY ON GOVERNMENT INSTALLATIONS

(a) In performing work under this contract on a Government installation, the contractor shall:

(1) Take all reasonable steps and precautions to prevent accidents and preserve the health and safety of contractor and Government personnel performing or in any way coming in contact with the performance of this contract; and

(2) Take such additional immediate precautions as the contracting officer may reasonably require for health and safety purposes.

(b) The contracting officer may, by written order, direct Air Force Occupational Safety and Health (AFOSH) Standards and/or health/safety standards as may be required in the performance of this contract and any adjustments resulting from such direction will be in accordance with the Changes clause of this contract.

(c) Any violation of these health and safety rules and requirements, unless promptly corrected as directed by the contracting officer, shall be grounds for termination of this contract in accordance with the Default clause of this contract.