PMSC AHU - Merida 06072024.docx

U.S. Consulate Merida UNCLASSIFIED

STATEMENT OF WORK FOR PREVENTIVE MAINTENANCE SERVICE CONTRACT

Air Handling Units

United States Consulate General Merida

April 2024

TABLE OF CONTENTS

Attachments

16. Statement of Work……………………………………………………………………………………….19

1. DESCRIPTION

The American Consulate Merida requires preventive maintenance services for Air Handling Units, Dedicated Outside Air Supply, Electric Motors and Variable Frequency Drives related to the equipment listed below. These services shall result in all systems being serviced under this agreement being in good operational condition.

1.1. Type of Contract

This is a firm fixed price contract payable entirely in Mexican pesos or USD.

The contract price will not be adjusted due to fluctuations in currency exchange rates.

1.2. Period of Performance

The contract will be for a period of one-year, with a maximum of four one-year optional periods of performance.

2. PRICING

The rates below include all costs associated with providing preventive maintenance services in accordance with the attached scope of work, and the manufacturer’s warranty including materials, labor, insurance (see FAR 52.228-4 and 52.228-5), overhead, profit and GST (if applicable).

2.1. Base Year. The Contractor shall provide the services shown below for the base period of the contract and continuing for a period of 12 months.

TRANE CSAA012 UAL00

TRANE CSAA012 UAL00

Total Base Year

2.2. Option Year 1. The Contractor shall provide the services shown below for Option Year 1 of the contract and continuing for a period of 12 months.)

TRANE CSAA012 UAL00

TRANE CSAA012 UAL00

Total Base Year

2.3. Option Year 2. The Contractor shall provide the services shown below for Option Year 2 of the contract and continuing for a period of 12 months.

TRANE CSAA012 UAL00

TRANE CSAA012 UAL00

Total Base Year

2.4. Option Year 3. The Contractor shall provide the services shown below for Option Year 3 of the contract and continuing for a period of 12 months.

TRANE CSAA012 UAL00

TRANE CSAA012 UAL00

Total Base Year

2.5. Option Year 4. The Contractor shall provide the services shown below for Option Year 4 of the contract and continuing for a period of 12 months.

TRANE CSAA012 UAL00

TRANE CSAA012 UAL00

Total Base Year

2.7 Repair option. Repairs are Not included under this agreement (see 7.1.4) and are to be provided outside this contract. However, the Government desires current labor rates if there is an issue discovered during the preventive maintenance of the specified equipment. Please provide your current labor rates in the Repair Option fields below. As stated in 7.1.4 any necessary repairs or parts will be submitted for approval and then billed against a separate purchase order. The Contractor is not approved to do any additional work without specific authorization from the Contracting Officer.

Repair Labor Rates

3. NOTICE TO PROCEED

After Contract award and submission of acceptable insurance certificates and copies of all applicable licenses and permits, the Contracting Officer will issue a Notice to Proceed. The Notice to Proceed will establish a date (a minimum of ten <10> days from date of Contract award unless the Contractor agrees to an earlier date) on which performance shall start.

4. EQUIPMENT AND PERFORMANCE REQUIREMENTS

4.1. The American Consulate of Merida requires the Contractor to maintain the following equipment in a safe, reliable, and efficient operating condition. Please see equipment list included in Exhibit A for a more detailed description.

(1) Air Handling Unit N-AHU-01 TRANE TCPAID013C3M2020S000

(1) Air Handling Unit N-AHU-02 TRANE TCPAID021C3M2020S000

(1) Air Handling Unit N-AHU-03 TRANE TCPAID023C3M2020S000

(1) Air Handling Unit N-AHU-04 TRANE TCPAID013C3M2020S000

(1) Air Handling Unit W-AHU-01 TRANE CSAA012 UAL00

(1) Dedicated Outside Air Unit N-DOAS-01 TRANE CSAA030 UAL00

4.2. The Contractor shall provide all necessary managerial, administrative, and direct labor personnel, as well as all transportation, equipment, tools, supplies, and materials required to perform inspection and maintenance, as required to maintain the systems in accordance with this work statement. Under this Contract the Contractor shall provide:

The services of trained and qualified technicians to inspect, adjust, and perform scheduled preventive maintenance.

All air filters shall be provided by the US Consulate. Filters shall be replaced by the Contractor during the Preventative Maintenance visits.

4.3. Performance Standards

The equipment shall be clean and in good operating condition upon completion of the service. The preventive maintenance service shall result in the entire system serviced being in a condition to operate efficiently and effectively.

5. HOURS OF PERFORMANCE

The Contractor shall maintain work schedules. The schedules shall take into consideration the hours that the staff can effectively perform their services without placing a burden on the security personnel of the Post. The Contractor shall deliver standard services between the hours of 8:00AM and 4:30PM Monday through Friday. Depending on operating conditions, some events could be scheduled during weekend and there will be opportunity to work on more than one equipment at same time.

6. ACCESS TO GOVERNMENT BUILDINGS AND STANDARDS OF CONDUCT

6.1 General. The Contractor shall designate a representative who shall supervise the Contractor’s technicians and be the Contractor’s liaison with the American Consulate of Merida. The Contractor’s employees shall be on-site only for contractual duties and not for any other business or purpose. Contractor employees will be given access to the equipment and equipment areas and will be escorted by Consulate personnel.

6.2 Personnel Security. The Government reserves the right to deny access to U.S.-owned and U.S.-operated facilities to any individual. The Contractor shall provide the names, biographic data, and police clearance on all Contractor personnel who to be used on this Contract prior to their utilization. Submission of information shall be made within 30 days of award of contract. No technician will be allowed on site without prior authorization. Note: this may include cleared personnel if advance notice of visit is not given at least one week before the scheduled visit.

6.2.1 Vehicles. Contractor vehicles will not be permitted inside the compound without prior approval. If vehicle access is necessary, submit contractor vehicle information (Make, Model, License Plate #) along with a written justification as to why access is necessary. This shall be submitted to the Facility Manager at least one (1) week prior to the visit.

6.2.2 Government shall issue identity cards to Contractor personnel, after they are approved. Contractor personnel shall always display identity card(s) on the uniform while providing services under this contract. These identity cards are the property of the US Government. The Contractor is responsible for their return at the end of the contract, when an employee leaves Contractor service, or at the request of the Government. The Government reserves the right to deny access to U.S.-owned and U.S.-operated facilities to any individual.

6. 3 Security Clearances. All work under this contractor that are designated as non-CAA areas may be performed by un-cleared American or local workers. However, all work done in CAA and PCC areas shall be performed by cleared American Construction personnel as needed to complete the services. The Contractor shall work closely with the COR, the Post Facility Manager (FM) or the General Services Officer (GSO)

6.4 Standards of Conduct

6.4.1 General. The Contractor shall maintain satisfactory standards of employee competency, conduct, cleanliness, appearance, and integrity and shall be responsible for taking such disciplinary action with respect to employees as may be necessary. Each Contractor employee shall adhere to standards of conduct that reflect credit on themselves, their employer, and the United States Government. The Government reserves the right to direct the Contractor to remove an employee from the worksite for failure to comply with the standards of conduct. The Contractor shall immediately replace such an employee to maintain continuity of services at no additional cost to the Government.

6.4.3 Neglect of Duties. Neglect of duties is unacceptable. This includes sleeping while on duty, unreasonable delays, or failures to carry out assigned tasks, conducting personal affairs during duty hours, and refusing to render assistance or cooperate in upholding the integrity of the worksite security.

6.4.4 Disorderly Conduct. The Contractor shall not condone disorderly conduct, use of abusive or offensive language, quarreling, and intimidation by words, actions, or fighting. Also included is participation in disruptive activities that interfere with normal and efficient Government operations.

6.4.5 Intoxicants and Narcotics. The Contractor shall not allow its employees while on duty to possess, sell, consume, or be under the influence of intoxicants, drugs or substances which produce similar effects.

6.4.6 Criminal Actions. Contractor employees may be subject to criminal actions as allowed by law in certain circumstances. These circumstances include but are not limited to the following actions: falsification or unlawful concealment, removal, mutilation, or destruction of any official documents or records or concealment of material facts by willful omission from official documents or records; unauthorized use of Government property, theft, vandalism, or immoral conduct; unethical or improper use of official authority or credentials; security violations; organizing or participating in gambling in any form; and misuse of weapons.

6.4.7 Key Control. The Contractor will not be issued any keys. The keys will be checked out by a “Cleared American” escort on the day of service requirements. This is not applicable for non-CAA spaces.

6.4.8 Notice to the Government of Labor Disputes. The Contractor shall inform the COR of any actual or potential labor dispute that is delaying or threatening to delay the timely performance of this contract.

7. SCHEDULED PREVENTIVE MAINTENANCE

7.1. General

7.1.1. The Contractor shall perform preventive maintenance as outlined in Exhibit A - STATEMENT OF WORK. The objective of scheduled preventive maintenance is to minimize system malfunction, breakdown, and deterioration when units are operating.

7.1.2. The Contractor shall inventory, supply, and replace expendable parts that have become worn due to wear and tear. The Contractor shall maintain a supply of expendable and common parts on site so that these are readily available for normal maintenance to include: grease, sealant, gaskets, fuses; in addition to the appropriate tools, testing equipment, safety shoes and apparel for technicians, personal protective equipment (hands, hearing, eye protection), SDS, cleaning material and oil spill containment kits. The contractor shall inventory the supply after each visit and order replacement supplies and have them delivered on site. Maintenance materials shall be unused and are to be industry standard and intended for the task to be performed. Parts shall be OEM approved.

7.1.3. Exclusion. This contract does Not include repair of equipment and replacement of hardware (e.g. bearings, motors, VFDs). Hardware replacements will be separately priced out by the Contractor for the Government’s approval and acceptance. The Government has the option to accept or reject the Contractor’s quote for parts and reserves the right to obtain similar spare parts from other competitive sources. If required by the Government, the Contractor shall utilize Government-purchased spare parts, if awarded the work. Such repairs/replacements will be accomplished by a separate purchase order. However, this exclusion does not apply if the repair is to correct damage caused by Contractor negligence.

7.1.4. Replacement/repair of any electronic or electrical parts shall be approved by the COR prior to installation of the part. If the Contractor proceeds to replace any electronic or electrical parts without COR approval, the Contractor shall de-install the parts at no cost to the Government.

7.1.5. Stocking of recommended repair parts is at the discretion of the Facility Manager and is dependent upon the nearest location of the equipment manufacturer, distributor, or dealer. A recommended spare parts list shall be obtained by the contractor from the manufacturer or distributor and provided to the Facility Manager to procure.

7.1.6. Parts/materials/tools procurement and delivery for the CAA/PCC areas shall be at the discretion of the Regional Security Officer (RSO)

7.2 Checklist Approval

The Contractor shall submit to the COR a schedule and description of preventive maintenance tasks which the Contractor plans to perform. The Contractor shall prepare this schedule and task description in a checklist format for the COR’s approval prior to contract work commencement.

7.2.1. The Contractor shall provide trained technicians to perform the service at frequencies stated in Exhibit A and on the equipment called out in this SOW. The technician shall sign off on every item of the checklist and leave a copy of this signed checklist with the COR or the COR's designate after each maintenance visit.

7.2.2. It is the responsibility of the Contractor to perform all manufacturers recommended preventive maintenance including preventive maintenance recommended by the manufacturers’ technical manuals for the respective equipment.

7.2.3 Additionally, the maintenance contractor shall obtain and keep at the post O&M binders provided by the manufacturers. These binders shall be placed in a location accessible to post personnel to review as needed.

8. PERSONNEL, TOOLS, CONSUMABLE MATERIALS AND SUPPLIES

The Contractor shall provide trained technicians with the appropriate tools and testing equipment for scheduled maintenance, safety inspection, and safety testing as required by this Contract. The Contractor shall provide all the necessary materials and supplies to maintain, service, inspect and test all the systems to be maintained.

8.1 Contractor furnished materials include but are not limited to appropriate tools, testing equipment, safety shoes and apparel for technicians, hands, hearing, and eye protection, MSDS, cleaning material and oil spill containment kit.

8.2 Disposal of used oil, fuel, battery, and other toxic substances. The Contractor is responsible for proper disposal of toxic/hazardous substances. All material shall be disposed of according to Government and Local law. After proper disposal the contractor must show proof of authorized disposal of these toxic/hazardous substances.

9. SOFTWARE, LICENSES AND PASSWORDS

Copies of all software and licenses needed to control or to adjust the communications module shall be given to the post upon completion of the work.

10. DELIVERABLES

Provide a typewritten report to Post Facilities Manager containing following:

a) System information (make, model, all device types)

b) Pass/Fail of each feature and type of component tested. If a device fails, note device type, address, and location within Post.

c) Any comments on system (or device) condition pertaining to service life and dependability.

d) Full printout of test from system printer The following items shall be delivered under this contract:

11. INSURANCE REQUIREMENTS

11.1 Personal Injury, Property Loss or Damage (Liability). The Contractor assumes absolute responsibility and liability for all personal injuries or death and property damage or losses suffered due to negligence of the Contractor’s personnel in the performance of this Contract. The Contractor’s assumption of absolute liability is independent of any insurance policies.

11.2 Insurance. The Contractor, at its own expense, shall provide and maintain during the entire period of performance of this Contract, whatever insurance is legally necessary. The Contractor shall carry the following minimum insurance:

Public Liability Insurance

12. LOCAL LAW REGISTRATION

If the local law or decree requires that one or both parties to the contract register the contract with the designated authorities to ensure compliance with this law or decree, the entire burden of this registration shall rest upon the Contractor. Any local or other taxes which may be assessed against the Contract shall be payable by the Contractor without Government reimbursement.

13. QUALITY ASSURANCE SURVEILLANCE PLAN (QASP)

13.1 Plan. This plan is designed to provide an effective surveillance method to promote effective Contractor performance. The QAP provides a method for the Contracting Officer's Representative (COR) to monitor Contractor performance, advise the Contractor of unsatisfactory performance, and notify the Contracting Officer of continued unsatisfactory performance. The Contractor, not the Government, is responsible for management and quality control to meet the terms of the Contract. The role of the Government is to conduct quality assurance to ensure that Contract standards are achieved.

Services Performs all services set forth in the Statement of Work (SOW) All required services are performed and no more than one (1) customer complaint is received per month.

13.2 Surveillance. The COR will receive and document all complaints from Government personnel regarding the services provided. If appropriate, the COR will send the complaints to the Contractor for corrective action.

13.3 Standard. The performance standard is that the Government receives no more than one (1) customer complaint per month. The COR shall notify the Contracting Officer of the complaints so that the Contracting Officer may take appropriate action to enforce the inspection clause (FAR 52.212-4, Contract Terms and Conditions-Commercial Items), if any of the services exceed the standard.

13.4. Procedures.

13.4.1 If any Government personnel observe unacceptable services, either incomplete work or required services not being performed, they will immediately contact the COR.

13.4.2 The COR will complete appropriate documentation to record the complaint.

13.4.3 If the COR determines the complaint is invalid, the COR will advise the complainant. The COR will retain the annotated copy of the written complaint for his/her files.

13.4.4 If the COR determines the complaint is valid, the COR will inform the Contractor and give the Contractor additional time to correct the defect, if additional time is available. The COR shall determine how much time is reasonable.

13.4.5 The COR shall, as a minimum, orally notify the Contractor of any valid complaints.

13.4.6 If the Contractor disagrees with the complaint after investigation of the site and challenges the validity of the complaint, the Contractor shall notify the COR. The COR will review the matter to determine the validity of the complaint.

13.4.7 The COR will consider complaints as resolved unless notified otherwise by the complainant.

13.4.8. Repeat customer complaints are not permitted for any services. If a repeat customer complaint is received for the same deficiency during the service period, the COR will contact the Contracting Officer for appropriate action under the Inspection clause.

14. TRANSITIONS/CONTACTS

Within 30 days after contract award, the Contracting Officer may ask the contractor to develop a plan for preparing the contractor to assume all responsibilities for preventive maintenance services. The plan shall establish the projected period for completion of all clearances of contractor personnel, and the projected start date for performance of all services required under this contract. The plan shall assign priority to the selection of all supervisors to be used under the contract.

14.1 On site contact. The following are the designated contact personnel between the Consulate of Merida and the Contractor:

Jaime Guillermo (COR): GuillermoJJ@state.gov Luis Gallardo (A/COR): gallardola@state.gov

15. SUBMISSION OF INVOICES

The Contractor shall submit an invoice after each preventive maintenance service has been performed. Invoices must be accompanied by a signed copy of the Maintenance Checklist for the work performed including parts replacement and break down calls, if any. No invoice for preventive maintenance services will be considered for payment unless accompanied by the relevant documentation.

The Contractor should expect payment 30 days after completion of service or 30 days after receipt of invoice at the American Consulate of Merida payment office, whichever is later. Invoices shall be submitted on dedicated portal: ILMS VENDOR PORTAL.

EXHIBIT A - Statement of Work

I. GENERAL INFORMATION

The American Consulate Merida requires professional services and contractor cost proposals to perform preventive maintenance services of the facility’s Air Handling Units “AHU”, Dedicated Outside Air Supply “DOAS”, Electric Motors, and Variable Frequency Drives.

II. PROJECT REQUIREMENTS

DESCRIPTION OF EQUIPMENT:

1 Air Handling Unit N-AHU-01 Manufacturer: TRANE Model: TCPAID013C3M2020S000 Capacity: 2720L/S Fluid Type: Water Location: NOB building.

1 Air Handling Unit N-AHU-02 Manufacturer: TRANE Model: TCPAID021C3M2020S000 Capacity: 4275L/S Fluid Type: Water Location: NOB building.

1 Air Handling Unit N-AHU-03

Model: TCPAID023C3M2020S000 Capacity: 9180L/S Fluid Type: Water Location: NOB building.

1 Air Handling Unit N-AHU-04

Model: TCPAID013C3M2020S000 Capacity: 2305L/S Fluid Type: Water Location: NOB building.

1 Air Handling Unit W-AHU-01

Model: CSAA012 UAL00 Capacity: 2380L/S Fluid Type: Water Location: SPX building.

F-9 Final Filter: Cartridge

MERV 14

1 Dedicated Outside Air Supply Unit N-DOAS-01

Model: CSAA030 UAL00 Capacity: 6365L/S Fluid Type: Water Location: NOB building.

Electrical motors, direct drive, all of 230-460V/60Hz/3Ph with ABB VFD ACH580

III. GENERAL REQUIREMENTS

The Contractor under this SOW shall be responsible for labor, tools, and materials required to carry out all preventive maintenance as outlined in this SOW. The technician shall sign off on every task specified in the Statement of Work and will provide a typewritten copy of their report to the COR or the COR's designate within five business days of each maintenance visit. The Government has the O&M Manual.

IV. SCOPE OF WORK

Contractor shall provide all materials, supervision, labor, tools, and equipment to perform preventive maintenance, except by the air filters.

All personnel working in the equipment shall wear and /or use safety protection while all work is performed. Any questions or injuries shall be brought to the attention of the Post Occupation Safety and Health Officer (POSHO) immediately. The SDS copies will be provided to the COR for approval.

If any discrepancies are found with the Air Handling Units that are not covered under this scope of work, the contractor shall provide the following:

1. Detailed report noting the discrepancy found.

2. Bill of Materials (BOM) to include component name, quantity, part #, and price for any repair material required and material lead time.

3. Price quote for repair labor.

SAFETY AND SPECIAL INSTRUCTIONS:

1. Follow site safety procedures and supervisor’s instructions.

2. Schedule outage with operating personnel.

3. Use extreme caution when climbing access ladders.

4. Perform applicable lockout/tag out steps of site safety procedures.

5. Lockout and disconnect the main power before tightening the main supply lugs to avoid the hazard of electrical shock, which could result in serious personal injury or death.

6. Record and report equipment damage or deficiencies.

7. Review and follow the manufacturer’s O&M instructions.

8. Record results in the equipment history log.

9. Allow only qualified personnel to do maintenance work on this equipment.

10. Record results in the equipment history log.

11. Check manufacturer’s specifications for the maximum number of plugged tubes.

12. Allow only qualified personnel to do maintenance work on this equipment.

AHU & DOAS

Maintenance procedures: annual “A” and semiannual “SA”

X

X

X

X

X

X

X

X

X

X

X

X

X

10 electrical motors, direct drive with ABB VFD model ACH580

MAINTENANCE PROCEDURES:

Annually:

1. Vacuum dust and dirt from heat sink fins.

2. Check ventilation fans for proper operation and clean as needed.

3. Check line amperage, voltage, motor & output phase balance.

4. Complete Qualitative Infrared Testing.

5. Visually inspect for broken parts, contact arcing, or any evidence of overheating.

6. Check line and load connections for tightness (check manufacturer’s instructions for torque specifications).

7. Check heater mounting screws for tightness.

8. Check all control wiring connections for tightness.

9. On units equipped with motor reversing capacity, check mechanical interlock.

10. On units equipped with variable speed starters:

a. Record the VFD parameter settings.

b. Confirm the VFD doors and covers are in place and properly closed.

c. Check tightness of connections to resistor bank.

d. Check resistor coils and plates for cracking, broken wires, mounting and signs of overheating. Clean as required.

e. Check tightness of connections.

f. Check contacts of drum controller for arcing and overheating. Apply a thin film of lubricant to drum controller contacts and to rotating surfaces.

g. Use a soft damp cloth to clean the control panel. Avoid harsh cleaners which could scratch the display window.

h. Inspect capacitators. Capacitor failure is usually followed by damage to the drive and an input cable fuse failure, or a fault trip.

i. Clean the heatsink as follows (if necessary):

· Remove power from drive.

· Remove the cooling fan(s)

· Blow clean, dry, oil-free condenser air (not humid) from bottom to top and simultaneously use a vacuum cleaner at the air outlet to trap the dust.

· Replace the cooling fan(s) if necessary.

11. Check starters contact connections by applying a thin film of black contact grease to line and load stabs, operate contacts and check surface contact.

12. Lubricate motor bearings with Mobil Polyrex EM indicating applied quantity of grease.

13. Clean interior/exterior of cabinet.

14. Energize circuit and check operation of starter and any pilot lights. Replace as required.

Safety Procedures

1. Schedule work with operating personnel.

2. Follow site safety rules for lockout and tagout.

3. Review and follow the manufacturer’s instructions.

4. Record equipment damage or deficiencies.

5. Follow safety and environmental procedures for handling refrigerants (DX units only).

Procedures

1. Prework operational tests with unit operating:

A. Check for unusual noise, vibration or leakage.

B. Perform vibration analysis. Record corrective measures if needed.

C. Perform thermal analysis. Record corrective measures if needed.

2. Stop the unit and service the unit casing and ducting:

A. Clean interior and exterior of unit with wiping cloth and a vacuum.

B. Inspect panels for damage.

C. Check and repair damaged insulation.

D. Check doors, handles, latches and hinges for proper operation.

E. Inspect door gaskets for damage and proper seal.

F. Check soundness of the unit structure.

G. Check, clean, and adjust grills, dampers, vanes, linkages as required.

H. Check damper actuators and linkage for proper operation. Adjust linkage on dampers if out of alignment.

I. Inspect and lubricate mechanical connections of dampers sparingly if necessary.

J. Inspect air hood and air louvers for damage and debris.

K. Inspect bird screens for damage and debris. Remove dead birds.

L. Inspect mist eliminators for damage, dirt and debris.

3. Service the unit fans:

A. Check fan housing, wheel, shaft, frame, and inlet vanes for damage, wear, loose parts, dirt and debris.

B. Check fan blades for dust buildup and clean if necessary.

C. Check fan blades and moving parts for cracks and excessive wear.

D. Check mounting bolts, set screws, etc. for security.

4. Service the coils and fluid systems:

A. Inspect and clean coils if required. Don't use a pressure washer.

B. Check coils for leaking and adjust tightness of fittings when required. On direct expansion units, check for refrigerant leaks on all lines, valves, fittings, coils, etc. Submit a work order to repair any leaks found.

C. Use fin comb to straighten coil fins. (If required) D. Flush and clean condensate pans and drains, remove all rust, prepare metal and paint where required.

Treat condensate pans with an EPA approved biocide.

E. Ensure condensate drain lines are clear and free running. Service condensate pumps, if equipped.

F. Check and clean strainers.

G. Cycle all water valves two times.

H. Check filters and change if necessary (prefilters only on chem/bio units).

5. Service the motors:

A. Clean exterior of motor surfaces of soil accumulation.

B. Clean motor ventilation ports.

C. Check condition of extended lubrication lines when present.

D. Evaluate motor bearings and lubricate if necessary. (See manufacturer literature) E. Check adjustable fan motor base and mounting hardware for loose parts. Tighten as necessary.

F. Check adjustable fan motor base for damage.

G. Check grounding straps for tightness.

H. Check motor insulation resistance. (Do not megger check variable speed drive units.)

6. Perform operational and running checks:

A. Check for unusual noise, vibration or leakage.

B. Check unit sensors for proper readout at the building automation system.

C. Perform vibration and thermal analysis to verify correction of any pretest problems.

D. Record motor running amps at 100 percent frequency and air loading.

7. Restore unit to service.

8. Clean up work area and remove trash.

Semi-annual

Safety Procedures

1. Schedule work with operating personnel.

2. Follow site safety rules for lockout and tagout.

3. Review and follow manufacturer OM instructions.

4. Record equipment damage or deficiencies.

5. Follow safety and environmental procedures for handling refrigerants (DX units only).

6. Record results in the equipment history log.

Procedures

1. Check, clean, and adjust grills, dampers, vanes, linkages as required.

2. Check filters and change if necessary (prefilters only on chem/bio units).

3. Inspect air hoods and louvers for damage and debris.

4. Inspect bird screens for damage and debris. Remove dead birds.

5. Inspect mist eliminators for damage, dirt and debris.

6. Ensure condensate drain lines are clear and free running. Service condensate pumps, if equipped. Treat condensate pans with an EPA approved biocide.

7. Check temperatures and pressures.

8. Check for unusual noise, vibration or leakage.

9. Restore to service.

10. Clean up work area and remove trash.