Att 1_SOW HVAC Chemical Testing and Treatment 13 Aug 25.pdf

Statement of Work HVAC Chemical Sampling & Treatment

Scott AFB, IL.

13 Aug 2025

1. DESCRIPTION OF SERVICES

1.1 The Contractor shall provide all labor, tools, chemical, and equipment necessary to perform cooling tower, closed loop, and coupon rack systems water/chemical monitoring, sampling and treatment for the Heating, Ventilation and Air Conditioning (HVAC) equipment located at various facilities on Scott AFB, IL. There are a total of 13 cooling towers with 11 sumps located at 8 different facilities. Please note that the two towers at B1700 share a common sump, the two towers at B1900 share a common sump, and the three towers at B44 each have their own sump. This contract also includes service to 124 closed loop systems (56 chilled & 68 hot) (67 facilities), and 27 coupon racks (15 facilities).

1.2 The Contractor shall abide by any/all local, county, state, and federal laws under this contract. The Contractor shall use innovative industry/commercial best practices, standards, procedures, and equipment to minimize the expenditure of time and funds while ensuring the highest of quality work.

NOTE 1: Period of Performance (PoP) of contract is one base year plus four follow-on years for a total of five years if exercised. Base year PoP 1 Oct 25 – 30 Sep 26.

NOTE 2: All reports and billing shall be submitted to the government on at least a monthly basis by the 10th calendar day of the following month of service unless otherwise noted within this statement of work. All reports at a minimum shall include all listed test ranges and chemical levels.

NOTE 3: Personnel performing sampling and treatment shall be a member of the Association of Water Technologies (AWT), or a government approved equal.

2. COOLING TOWER WATER TESTING/TREATMENT:

2.1 It is the contractor’s responsibility to perform all activities to maintain the chemical feed systems with enough products to prevent the sumps/tanks or systems from becoming empty and to maintain proper operations. The contractor shall provide treatment to maintain a minimum of three cycles of concentration.

2.2 List of Cooling towers; 8 facilities (11 sumps).

Building 44 – North Building 1575 - North Building 44 – Center Building 1575 – South Building 1900 Building 44 – South Building 1650 Building 1900 Building 859 Building 1700 - 1 Building 5160 Building 1521 Building 1700 - 2

2.3 Cooling Tower Site Monitoring:

2.3.1 Scott AFB utilizes the WALCHEM Controller Model# WCT600PNNNN-NN with Modem Millie Model # E10-VZ (non-gov’t system) for monitoring cooling tower status. The government shall give the contractor access to the remote monitoring systems upon request by the contractor.

The contractor shall provide a system status report of each cooling tower at a minimum of at least once per month. The contractor is expected to conduct at a minimum monthly site visits for visual inspections and adjustments. Site visits shall be conducted on 30-day intervals or the same week of each month.

2.4 Unless otherwise agreed upon by the Government, the Contractor shall notify the Government ten business days in advance of any schedule changes.

2.5 The Contractor shall at a minimum test monthly for and maintain the control range for the following. The Contractor may provide what they feel is pertinent to the testing and treatment, but at a minimum shall include the following:

2.5.1 Hardness, calcium (ppm as CaCO3) (300-500)

2.5.2 Chlorine, total (ppm as Cl2) (0.0 – 2.0)

2.5.3 Conductivity (as mmhos) (1250 – 1624)

2.5.4 pH (7.0 – 9.0)

2.5.5 Cooling Tower Traced Scale and Corrosion Inhibitor (125 – 175)

2.5.6 m-alkalinity (ppm) (260 – 400)

2.5.7 Bacteria Counts (CFU) (10,000 CFU/ml or less)

2.5.8 General remarks of tower status or any other work performed.

2.6 Cooling Tower Treatment: The contractor shall provide and administer the appropriate amount of approved Corrosion/Scale Inhibitor, Liquid Oxidizing Biocide (Not Chlorine), and Non-Oxidizing Biocide to help maintain associated chemical level ranges.

NOTE: Historical annual chemical use - Corrosion Inhibitor (~3000gal); Liquid oxidizer (~1000gal); Non-Oxidizing Biocide (~1000gal).

3. COOLING TOWER LEGIONELLA TESTING:

3.1 The Contractor shall test for the presence of Legionella in all the cooling towers (11 sumps) identified in paragraph 2.2 twice per year at a time agreed upon by the government. The contractor shall use the industry standard Cultured Sample Method. The goal of this service is to prevent the spread of Legionella disease.

3.2 The Legionella test/samples must be analyzed by a CDC Elite laboratory with the results being provided back to the Government within three (3) business days of receipt from the lab.

The Contractor shall identify the name and location of the CDC Elite laboratory in which they plan to use to analyze the sample for Legionella’s Disease.

4. CLOSED LOOP TESTING/TREATMENT:

See Attachment 1 for Facilities with Closed Loop Systems.

4.1 Initial testing and treatments shall be completed within the first 30 days from the Notice-To- Proceed and quarterly thereafter for the facilities identified in attachment 1 (124 loops X 4 = 496).

All listed closed loops are to be sampled quarterly per contract year.

4.2 Unless otherwise agreed upon by the government, the contractor shall develop and submit a schedule to complete sampling and method of how sampling will be performed within 10 calendar days after receipt of the NTP.

4.3 The contractor shall sample all closed loop systems for the following: pH, nitrite, and propylene glycol. Microbiological growth will only be required to be sampled for in the event the PH, Nitrite and/or Propylene Glycol indicates the chances of microbiological activity is in the system.

4.4 All closed loop systems shall be maintained to meet the following parameters:

4.4.1 PH: Maintain a level between 8 to 10.3

4.4.2 Nitrite (steel protection): maintain level 600-1000 PPM (1200 PPM if system is off)

4.4.3 Propylene glycol: maintain a level between 25% to 30%.

4.5 When sampling the closed loop systems, if the contractor finds any systems that do not meet the chemical parameters identified in paragraph 4.4, the contractor shall calculate the appropriate amount of chemicals required to bring the system back to within the given parameters.

4.6 If applicable, the contractor shall monitor chemical inventory levels in feeder systems for each system (if applicable) and resupply as needed. If applicable, at no time shall chemical feeder levels run empty unless otherwise agreed upon by the government.

4.7 Prior to adding chemicals, the contractor shall notify the COR or HVAC Government personnel for approval to add chemicals. Upon completion of adding chemicals, the contractor shall verify the system meets the parameters as described in paragraph 4.4. The contractor shall ensure the amount of glycol and/or nitrite is available on the contract prior to requesting government approval to add into the closed loops.

4.8 The contractor shall monitor each system closely after applying chemical treatments to ensure strainers are not plugged. If the cleanliness of the strainers is in question, the contractor shall notify the COR or HVAC government representative for inspection and corrective actions. The contractor is NOT responsible for cleaning strainers.

4.9 Unless otherwise agreed upon by the government, the contractor shall meter/measure the amount of water drained from the system. If/when chemical(s) water is drained from the systems, the Contractor shall be responsible for proper containment. The government shall be responsible for disposal if required.

4.10 It shall be the contractor’s responsibility to provide chemical feed installations (if required). If the contractor determines chemical feeders are required, the contractor shall provide a portable pot feeder or pump when permanent pot feeders are not installed on the existing equipment. See attachment 1, Inventory tab for a complete list of facilities with or without pot feeders.

5. CLOSED LOOP CHEMICALS:

5.1 Closed loops treated with propylene glycol:

5.1.1 The contractor shall treat closed loop systems with Inhibited Propylene Glycol

(inhibited with Nitrite only) and/or Nitrite.

5.1.2 Propylene Glycol shall only be inhibited with Nitrite (NO2). Sodium nitrite (Na2NO2) shall not be used.

5.1.2 With government approval, the contractor may treat a closed loop which contains propylene glycol with Nitrite (NO2) only, if conditions warrant such treatment.

5.2 Closed loops treated without glycol shall be treated with Nitrite (NO2). Sodium nitrite (Na2NO2) shall NOT be used.

NOTE: Historical annual chemical use – Nitrite (~500gal); Glycol (~3000gal).

6. CLOSED LOOP COUPON TESTING:

6.1 The Contractor shall perform coupon rack testing two times per year. Initial coupons shall be placed within 30 days from the NTP and unless otherwise agreed upon by the government, coupons shall be analyzed in the month of March, and again the first full week of September. Unless otherwise agreed upon by the government, the September analyzed results MUST be submitted before contract PoP expiration date. Please see Attachment 1, Inventory tab for a list of facilities that require coupon testing.

Table 6.1 Color Code Condition

Carbon Steel Copper Alloys Iron Excellent Less than or equal to 0.2 Less than or equal to 0.1 Less than or equal to 0.1

Very Good 0.2 to 0.3 0.10 to 0.15 0.10 to 0.15 Good 0.3 to 0.5 0.15 to 0.20 0.15 to 0.20

Moderate to Fair 0.5 to 0.8 0.2 to 0.3 0.2 to 0.3 Poor 0.8 to 1 0.3 to 0.5 0.3 to 0.5

Building C1010 Mild Carbon Steel CDA110 Copper Alloy

6.2 Unless otherwise agreed upon by the government, coupon condition reports shall be submitted within 10 calendar days after being analyzed. Reports shall include at a minimum: Building #, Date, Type of System (Chilled or Hot – Copper/Iron/Steel), Analyzed Results (results are calculated from the weight loss in mils per year), and Color Code Condition (See Table 6.1).

6.3. In addition to the coupon results report, the contractor shall submit any other services provided to include the date(s) of service, and the amount of coupon racks sampled for each facility.

7. GENERAL INFORMATION:

7.1 The contractor shall minimize the amount of chemicals stored on base to an as needed basis.

All chemicals being brought onto Scott AFB will be tracked and coordinated with the 375 CES/CEIE. With exception and approval by the government, chemicals shall be applied within 48 hours of delivery to meet the parameters specified in paragraph 2.5 and 4.4. Vender shall have the capability of delivering and dispensing large quantities (> 200 gal) of product as required per order.

7.2 With exception and approval by the government, the contractor shall not store full, partial, or empty chemical containers on Scott AFB. Any exception must be coordinated with the government. Empty containers shall be removed within 24 hours of application and shall properly dispose of containers at an off-base facility at no cost to the government.

7.3 The Contractor shall be responsible for any product lost due to equipment failures at no cost to the Government. The Contractor is responsible to ensure all equipment is calibrated and in good working order.

7.4 The Contractor shall be responsible for installing, maintaining, operating, and repairing all Contractor supplied materials and equipment. The Contractor shall replace at no cost to the Government any lost treatment materials due to malfunctioning equipment and/or leaks related to treatment material feed equipment.

7.5 The Contractor shall be responsible to keep the work area clean and free of all debris and clean up to the Government’s satisfaction any area deemed unkempt.

7.6 The Government may inspect and evaluate the Contractor's performance to ensure services are received in accordance with the requirements set forth in this contract. The Contracting Officer or Government Point of Contact (POC) may inspect by validating actual work performance, physically checking an attribute of the completed task, checking a management information report, investigating customer complaints, conferring with facility managers, or otherwise inspecting the task or its results to determine whether performance meets the standards contained in this SOW.

7.7 Performance of Service during a Crisis (Declared by the Secretary of Defense or Overseas Combatant Commander). All services to be performed under this contract have been determined to be nonessential for performance during a crisis according to Department of Defense Instruction (DODI) 3020.37 and Air Force implementation thereof, unless otherwise directed by the CO.

8. QUALITY CONTROL INFORMATION:

8.1. Quality Control. The Contractor shall develop and maintain a quality control program to ensure services are performed in accordance with applicable standards and industry standards.

8.2. Quality Assurance. The government representative shall evaluate the contractor's performance by periodic site inspections, receipt of valid complaints from base personnel and compliance with the SOW. The Contractor's performance may be based on test reports and possible independent lab tests from a third party. The government shall inspect and evaluate the contractor's performance to ensure services are received in accordance with the requirements set forth in this contract. The CO or Government personnel shall inspect by validating actual work performance, physically checking the attribute of the completed task, checking a management information report, investigating customer complaints, conferring with facility managers, or otherwise inspecting the task or its results to determine whether performance meets the standards contained in this SOW. When a performance threshold has not been met or contractor performance has not been accomplished, the Government personnel will initiate and provide the Contracting Officer with a DD Form 2772, Contract Discrepancy Report (CDR), for issuance to the contractor. The contractor shall respond to the CDR in accordance with the instructions provided and return it to the Contracting Officer within 10 calendar days of receipt.

9. GOVERNMENT FURNISHED UTILITIES:

The Contractor may have use of Government electrical and water supplies that, in nearly all cases, are available at each site. If the Contractor needs additional utilities, special connectors, etc., the Contractor will need to provide and install these at their own expense.

10. GOVERNMENT FURNISHED EQUIPMENT:

Apart from the monitoring equipment, chemical tanks and pumps, there is no other Government furnished equipment provided for this SOW. The Contractor is responsible for all tools, training, supplies, materials, labor, vehicles, etc.

11. ENVIRONMENTAL AND SAFETY CONTROLS:

11.1 Environment Management System (EMS) Policy. Scott Air Force Base (AFB) is committed to excellence in all aspects of environmental stewardship activities using the Air Force Environmental Management System (EMS). This commitment and use of EMS applies to all activities, products and services associated with Scott AFB partner units and Contractors.

11.1.2 Contractor’s personnel shall work under this contract in a manner that is consistent with Scott AFB EMS and conforms to all applicable environmental laws, regulations, and policies.

Upon awarding of the contract, the Contractor shall review the Scott AFB, EMS Environmental Policy Letter.

11.2 Waste Management:

11.2.1 The Contractor is responsible for the analysis, characterization and proper handling of waste generated by their operation. If hazardous wastes are generated, the Contractor shall properly contain the waste, and it will be Government’s responsibility to properly dispose.

The Contractor shall anticipate 375 CES/CEI audits to ensure their hazardous waste program is compliant with requirements.

11.2.2 Under no circumstances shall the Contractor remove any waste from Scott Air Force Base without ensuring complete and full compliance with all applicable existing environmental laws and regulations. A.II shipments must be prepared in accordance with Department of

Transportation Regulations (40 CFR 172).

11.2.3 The Contractor shall notify 375 CES/CEI of all chemical materials brought on base, to include quantity and the Safety Data Sheets.

11.3 Notification of Environmental Spills.

11.3.1 If the Contractor spills or releases any hazardous substance that contacts or has the potential to contact water, soil, or any drain (sanitary or storm) the Contractor shall call 911 (256- 4911 utilizing telephone on base) then the CO immediately. The Contractor shall be liable for reimbursement of containment and environmental clean-up of the spill or release of such substance.

11.3.2 Spill Response. The Contractor shall be responsible for the clean-up and disposal of all spilled materials. This includes all materials used to contain and absorb the spill. Spilled material must be cleaned up promptly and reported to the CO. If any amount of spilled material contacts or has the potential to contact water, soil, or any drain (sanitary or storm), the Contractor shall call 911 (256-4911 if utilizing telephone on base) immediately. Spills of HAZMAT or hazardous waste shall be managed in accordance with the current 375 CES Wing Integrated Contingency Plan for Oil and Hazardous Substances Spill Prevention and Response for Scott AFB. Disposal of waste generated from spill clean-up shall be the Contractor's responsibility. The Contractor shall be liable for reimbursement of containment and environmental clean-up of the spills.

11.4 Training. The Contractor is responsible to train their employees regarding Environmental and Hazardous Materials Handling. The Contractor is also required to have and maintain Safety Data Sheets for all materials used by the Contractor in accordance with but not and/or regulations limited to federal and state laws.

11.5 Fire Safety. The Contractor shall obtain a burning permit from the Scott AFB Fire Department building 460, (256-5130) prior to welding, burning, or cutting operations each day they anticipate performing this type of work. A.II welding and burning operations necessary for the completion of the OWS shall be accomplished in strict compliance with fire safety and applicable standards. The Contractor shall provide and maintain fire extinguishers in accordance with NFPA standards during all welding and burning operations.

12 SECURITY REQUIREMENTS:

NOTE: This contract does not require the need for a contractor issued Common Access Card (CAC) nor will the contractor require access to a Government Information System or network access. This contract also does not require an OPSEC Standing Operating Procedure/Plan or Training. This contract does not require the handling or access of Unclassified/Classified Information.

12.1. AT Level I Training: Coordination with the installation ATO/ATPM to ensure Level I - AT Awareness Training is to be completed by all contractors within 30 days of access, and annually thereafter. (T-3) Coordination for training shall be done by the requiring unit after contract award. AT level 1 training link: https://jko.jten.mil/courses/ATlevel1/launch.html.

12.2 Access and General Protection/Security Policy and Procedures: Contractor and all associated sub-contractors’ employees shall provide all information required for background checks to meet installation access requirements to be accomplished by the Dixon Visitor Center or security office. The Contractor’s workforce must comply with all personal identification verification requirements as directed by DAFMAN 31-101v3 and the 375 AMW AT/IDP. In addition to the changes otherwise authorized by the changes clause of this contract, should the Force Protection Condition (FPCON) at any individual facility or installation change, the Government may require changes in contractor security matters.

NOTE: All DBIDS cards/passes will be turned into the Dixon Visitor Control Center upon expiration of pass and/or completion of contract.

12.2.1 For contractors requiring common access cards (CACs): This contract does not require the need for a contractor issued Common access Card (CAC).

12.2.2 For contractors that do not require CACs but require access to a DOD facility or installation: The vetting requirement for, Civilian employee and Contractor eligible non-CAC DoD credential holders includes a minimum Tier 1 or equivalent investigation. Fitness standards for these populations are listed in AFMAN 16-1405.

12.2.3 Contractor Consent to Background Checks: The Contractor and, as applicable, subcontractor shall not employ persons for work on this contract if such employee is identified as a potential threat to the health, safety, security, general well-being or operational mission of the installation and its population, nor shall the Contractor or subcontractor employ persons under this contract who have an outstanding criminal warrant as identified by Law Enforcement Agency Data System (LEADS) through the National Crime Information Center. LEADS checks will verify if a person is wanted by local, state, and federal agencies. All Contractor and subcontractor personnel must consent to LEADS background checks. Contractor and subcontractor personnel who do not consent to a LEADS check will be denied access to the installation. Information required to conduct a LEADS check includes full name, driver’s license number, and/or social security number, date of birth of the person entering the installation, and completion of a background check questionnaire. The Contractor shall provide this information using the Scott AFB Form 21, Contractors Consent for Background Check, and shall submit it in conjunction with the Contractor’s request for either base or vehicle passes. Completion of a successful LEADS check does not invalidate the requirement for an escort when Contractor or subcontractor personnel are working within controlled or restricted areas. All identifying credentials will be compliant with the REAL ID Act.

12.3 EAGLE EYES Training: The Eagle Eyes program is a DAF AT initiative that enlists the eyes and ears of all DAF military, civilians, contractors, and dependents. The Eagle Eyes program is a reporting mechanism for the base community on how to report suspicious behavior or possible terrorist activity. Each installation will outline procedures in the installation AT plan on how to receive and log suspicious activity reports and suspicious incident reports and to pass those reports expeditiously to their servicing Office of Special Investigations (OSI) detachment for appropriate action. (T-3) OSI provides threat data to the installation commander, the vice commander, and the DFC as appropriate to ensure an optimal common operating picture and an AT/Base Defense (BD) posture for the given installation’s area of responsibility (AOR) in accordance with Air Force Mission Directive (AFMD) 39, Air Force Office of Special Investigations (AFOSI) and Air Force Policy Directive (AFPD) 71-1, Criminal Investigations and Counterintelligence. This program implements the spirit and intent of DoDI 2000.26, DoD Use of the Federal Bureau of Investigation (FBI) eGuardian System.

12.4 Unit Cyber Security Liaison. Contractor Employees Who Require Access to Government Information Systems. This contract does not require the contractor to access a Government Information System or network access.

12.5. OPSEC Practitioner. For Contracts That Require an OPSEC Standing Operating Procedure/Plan: This contract does not require an OPSEC Standing Operating Procedure/Plan.

12.6 OPSEC Practitioner. For Contracts That Require OPSEC Training: This contract does not require OPSEC Training.

NOTE: The contractor will not photograph and/or post about any installation related event/item on social media sites, blogs, etc., or discuss any critical information while on/off the installation. The critical information you may observe are:

- Effects of adversarial activity, should it ever occur.

- Response times of security, fire, emergency management personnel, etc.

- Implemented antiterrorism/security measures and procedures.

- Specific number of aircraft and unusual flightline activity.

- Aircraft information such as tail numbers, etc.

12.7 Unit Cyber Security Liaison. For Information Assurance (IA)/Information Technology (IT) Training: This contract does not require contractor access to a Government Information System or network access.

12.8 Unit Cyber Security Liaison. For Information Assurance (IA)/Information Technology (IT) Certification: This contract does not require contractor access to a Government Information System or network access.

12.9. Unit Security Assistant. For Contracts That Require Handling or Access to Classified Information: This contract does not require the handling or access of Unclassified/Classified Information.

12.10 Contractor Responsibilities. The Contractor will be responsible for the conduct of all employees working their control for this contract. This includes any subcontractors they use to fulfill contract requirements.

12.11 Contractors shall ensure their employees and those of their subcontracts have the proper credentials allowing them to work in the United States. Persons later found to be undocumented, or illegal aliens will be remanded to the proper authorities. The Contractor shall not be entitled to any compensation for delays or expenses associated with complying with the provisions of this clause. Furthermore, nothing in this clause shall excuse the Contractor from proceeding with the contract as required.

12.12 Identification Badges: The Contractor is required to provide identification badges for their employees. All Contractor personnel wear these badges while on duty on the Government site.

Badges are required to identify the individual, company name, and be clearly and distinctly marked as Contractor. Size, color, style, etc. are to be mutually agreed to by Contractor and Government. The Contractor’s identification badge will not be used as an entry requirement for installation entry or into any Government designated controlled or restricted area.

12.13 Contractor Registration of Vehicles on Scott AFB: All Contractor or Contractor employees’ vehicles used for the performance of this contract shall comply with all local, state, and federal regulations. Additionally, any pass shall be surrendered to Security Forces upon demand to positively identify a person’s need to be on Scott AFB.

12.14 Property Protection: Property protection for the facility where the Contractors’ primary work center is located will be the responsibility of the local facility manager and local Government Security Manager, or their duly authorized representative IAW AFI 31-101, Integrated Defense and command/local directives. The Contractor shall safeguard all Government-owned equipment and materials in his/her possession or use.

12.15 Contractors Working in Controlled or Restricted Areas: The unit requesting contract support will always provide escort (s) for Contractors when within a controlled area. Contractors will not escort other Contractor employees within controlled or restricted areas. In addition, Contractors shall fulfill, maintain, and comply with all security requirements IAW AFI 31-101, Integrated Defense, and command/local directives.

12.16 Access to Government Facilities with Controlled or Restricted Areas: The Contractor shall comply with security regulations imposed by the installation commander and/or the agency responsible for the project location. Due to specific mission requirements inherent in controlled or restricted areas on Scott AFB, the Government may direct the Contractor to leave the controlled or restricted areas at any given time.

12.17 Access to Installation during Force Protection Conditions (FPCONs): Contractors will be assigned a mission essential designation IAW requirements contained in SAFBI 31-101/Installation Security Instruction. Only the installation commander or the unit commander requesting contract support will assign the mission essential designation.

13 NON-PERSONAL SERVICES AND/OR INHERENTLY GOVERNMENTAL

SERVICES

The Government will neither supervise Contractor employees nor control the method by which the Contractor performs the required tasks. It shall be the responsibility of the Contractor to manage its employees and to guard against any actions that are of the nature of personal services or give the perception of personal services. If the Contractor feels that any actions constitute, or are perceived to constitute personal services, it shall be the Contractor’s responsibility to notify the PCO immediately. These services shall not be used to perform the work of policy/decision making or management nature, (e.g., inherently Governmental functions). All decisions relative to programs supported by the Contractor shall be the sole responsibility of the Government.

14 ADMINISTRATION

14.1 The total amount of this order shall be a “not-to-exceed” amount and the services shall not exceed the dollar limitations specified on the contract without prior approval from the Government Contracting Officer. Services provided more than the “not-to-exceed” amount without prior approval from the Contracting Officer are done at the Contractor’s risk and subject to non-payment.

14.2 The Government reserves the right to add additional funds to each CLIN if the situation or conditions warrant such a need.

14.3 The Government reserves the right to purchase urgently required services from another source should the Contractor be unable to provide the services to meet the accelerated delivery requirement.

14.4 The Contractor is not required to provide service on weekends or federal holidays, except in emergency situations. Federal holidays are as follows:

New Year's Day - 1 January Martin Luther King Day - 3rd Monday in January President’s Day - 3rd Monday in February Memorial Day - Last Monday in May Juneteenth Day – 20 June Independence Day - 4 July Labor Day -1st Monday in September Columbus Day - 2nd Monday in October Veteran's Day - 11 November Thanksgiving Day - 4th Thursday in November Christmas Day - 25 December

If these holidays fall on Saturday, the preceding Friday will be observed. If these holidays fall on Sunday, the following Monday will be observed. If a holiday falls on a scheduled service day, the Contractor will be responsible for rescheduling services for the first day post the holiday observance.

14.5 Base Closures: Work scheduled but not accomplished because of base closure due to weather, exercises, or actual alert, will be accomplished as soon as possible after reopening the base.