PWS_(For_FBO).pdf

RFQ No. FA5209-18-Q-0013

ATTACHMENT 1

DEPARTMENT OF THE ARMY

UNITED STATES ARMY GARRISON JAPAN

DIRECTORATE OF PUBLIC WORKS

UNIT 45006 APO AP 96343-5006

PERFORMANCE WORK STATEMENT

FOR

INSPECTION, MAINTENANCE, AND REPAIR

OF WATER QUALITY MONITORING SYSTEMS

AT U.S. ARMY GARRISON JAPAN INSTALLATIONS

IN KANTO PLAINS

(FEWR No. JF-60029-6J) 20 Dec 2017

Table of Contents

SECTION 1 Description of Services / General Information Page 2

SECTION 2 Services Summary Page 10

SECTION 3 Appendices Page 10

APPENDIX A1: Location and Specification of Monitoring Systems

APPENDIX A2: Installation of Water Quality Monitoring Systems

A2-1 Camp Zama (Bldg 832) A2-2 Camp Zama (Bldg 858) A2-3 Sagami General Depot (Bldg 102-6) A2-4 Yokohama North Dock (Bldg 349) A2-5 Akasaka Press Center (Bldg 1)

APPENDIX B1: Monthly Inspection and Maintenance List

SECTION 1

DESCRIPTION OF SERVICES/GENERAL INFORMATION

1.0. DESCRIPTION OF SERVICES. The contractor shall provide all necessary labor, personnel, supervision, management, tools, equipment, transportation, materials, and any other items or services necessary to perform inspection, maintenance and repair of water quality monitoring systems (hereinafter referred to as “the monitoring systems”) installed at drinking water supply systems on U.S. Army Garrison Japan (USAG Japan) installations in Kanto Plains (Camp Zama, Sagami General Depot, Yokohama North Dock, and Akasaka Press Center), Japan. The contractor shall perform in accordance with (IAW) this Performance Work Statement (PWS), Japan Environmental Governing Standard (JEGS), manufacturer’s specifications, and local and commercial standards.

1.1. INSPECTION AND MAINTENANCE.

1.1.1. The contractor shall perform monthly inspection and maintenance services for five (5) monitoring systems listed in Appendix A1. The minimum requirements of inspection and maintenance services are described under Appendix B1. The contractor shall provide all consumable parts/materials necessary for performing the inspection and maintenance services. The alarm activation systems and data management computer systems that are connected to the monitoring systems shall be inspected to verify the operating condition but excluded from maintenance services.

1.1.2. Monitoring Parameters. The contractor shall inspect and maintain the monitoring systems not to deviate from the performance criteria for each monitoring parameter in the below table:

Parameters Performance Criteria Measurement Accuracy (see Para. 1.1.3)

Turbidity 0 – 2.86 NTU +/- 5% Free Chlorine Residual 0 – 2mg/l +/-2.5% pH 2 – 12 +/-0.5pH unit Pressure 0 -280 psi +/- +/- 3%

1.1.3. Data Validation. The contractor shall review stored records and identify (1) if the system is properly recording the required data, and (2) if any system/measuring errors have occurred from the last inspection. In order to validate the data, the stored data shall be compared with the data generated by third party measurement devices. The contractor shall use third-party measurement devices which are officially approved/certified by the Japanese Measurement Law or the U.S. Environmental Protection Agency. The acceptable margins of difference between these data are shown under “Measurement Accuracy” in the table at Para 1.1.2. above. These results shall be included in the monthly report.

1.1.4. Calibration. The contractor shall perform calibrations of measuring instruments (turbidity analyzers, free chlorine residual analyzers, pH analyzers and pressure sensors) by using standard solutions, manual measurement devices, and/or system control software as a part of calibration. The contractor shall perform calibration of other related equipment and electrical apparatuses (ex. sample-water flow rating device, thermograph, etc.) which are recognized as essential for proper maintenance of the monitoring systems.

Parameters Span Calibration/Manual Calibration Turbidity Formazin Standard Solution Free Chlorine Residual Span standard solution/DPD Method pH Standard Solution (pH 6.86 and 9.18) Pressure External Pressure Meter (Pressure Gauge)

1.1.5. Submittals.

(1) Annual Work Schedule (Para. 1.1.5.1.)

(2) Monthly Inspection and Maintenance Report (Para. 1.1.5.2.)

1.1.5.1. Annual Work Schedule. The contractor shall provide a one-year work schedule both in English and in Japanese to the Contracting Officer’s Representative (COR) and obtain his/her approval no later than fifteen (15) calendar days prior to the commencement of on-site work. The schedule shall show the time and day of the inspection/maintenance for each item in Appendix B1. The contractor shall not deviate from the approved schedule without obtaining prior to approval by the COR.

1.1.5.2. Monthly Inspection and Maintenance Report. The contractor shall prepare and submit the report both in English and in Japanese to the COR within ten (10) calendar days after completion of each inspection and maintenance. The report shall be digital format-type and include the following items as a minimum:

(1) Location

(2) Date and time work performed

(3) Who (licensed tech) performed the service

(4) Description and method of service performed (Including validation result)

(5) Inspection and/or maintenance data

(6) Calibration and data validation results from the MEX-2000 and methods

(7) Conditions of the monitoring system

(8) Signature of Contractor Representative

1.2. REPAIRS.

1.2.1. Repair work includes the reprocessing or replacement of parts or materials which have deteriorated and could not have been corrected through maintenance servicing. Repairs may be identified during routine maintenance service or as an on-call service. Repair work may also be required for correction of conditions and equipment that adversely affects the use of system for designated purpose as well as to restore any failed or failing components.

1.2.2. In the event that the contractor identifies needed repairs during maintenance service, the contractor shall immediately inform the COR. Additionally, the contractor shall submit the deficiency report in both English and Japanese to the COR of each installation within five (5) business days of the findings. The deficiency report shall include at a minimum of the following information:

(1) Location

(2) Finding date of failure

(3) Description of failure (pictures, drawings, etc.)

(4) Justification (what will happen if repair is not accomplished)

(5) Description of repair work

(6) Material list and man-hours for repair

(7) Proposed repair schedule

(8) Cost estimate for repair work

(9) Submission date of the report

(10) Contractor representative’s signature

1.2.3. If on-call service is required, the contractor shall dispatch an engineer within 72 hours after notification from the time of the COR’s on-call service request. The contractor shall report to the work location, survey, perform minor repairs, and restore the equipment and/or systems to the maximum extent practicable. If the repair is unable to be made at the time of the response, the contractor shall immediately take temporary measures to ensure safety and to minimize/prevent further damages to the systems.

1.2.4. If the estimated repair cost is below $5,000.00, or equivalent yen value, to include labor, material, equipment, and any costs associated with the on-call service (travel, labor, or other costs) if there was an on-call service, the COR will notify the contractor to immediately proceed with the repair. If the estimated repair exceeds $5,000.00, the contractor shall not commence until a notification is provided by the Contracting Officer. All repairs shall be invoiced under CLIN X002.

1.2.5. The contractor shall accomplish repair work IAWan approved schedule. If the repair work requires any utilities/operation outage, the contractor shall provide the detailed work schedule to include the outage plan, and obtain approval for the outage from all affected customers through the COR prior to shutting a system down.

1.2.6. Submittals.

(1) Repair Work Schedule (Para 1.3.4.1.)

(2) Report (Para 1.3.4.2.)

1.2.6.1 Repair Work Schedule. The repair work schedule shall include the start and estimated completion dates, installation name, location of water monitoring system, date of failure, description of failure, a required materials list, estimated man-hours, detailed work description of the repair, proposed work schedule, drawings or sketches, estimated cost and signature of the COR.

1.2.6.2. Repair Report. The contractor shall prepare and submit a written report within five (5) business days after the repair is accomplished. This report shall include the date, time, and service performed, etc.

If the service performed did not follow the schedule, the contractor shall document the reasoning in the report. Report shall be inclusive of exact costs for repair work.

1.3. MANUFACTURER’S OPERATION AND MAINTENANCE MANUALS. The manufacturer’s operation and maintenance manuals are available for the contractor at each job site. Prior to the commencement of work, the contractor shall review and obtain necessary information including specifications of the system descriptions, physical condition of the existing systems, and any other conditions essential for maintaining the systems in safe and reliable operating conditions.

2.0. GENERAL INFORMATION.

2.1. CONTRACTOR PERSONNEL.

2.1.1. Contract Manager. The contractor shall provide a contract manager who shall be responsible for all requirements in this PWS. The name of this person and an alternate(s) who shall act for the contractor when the manager is absent, shall be designated in writing to the Contracting Officer (KO). The contract manager or alternate shall have full authority to act for the contractor on all matters relating to this contract. The contractor shall provide the contract manager’s names, addresses, and telephone numbers.

The contractor shall maintain a current listing of employees, providing updates as changes occur. The contract manager or alternate shall have a good understanding of the requirements pertaining to this contract for interpretation and implementation of directives (written and oral), issued in English by the KO or COR.

2.1.2. Contractor Employees. Contractor personnel shall be easily recognizable as contractor employees. This may be accomplished by wearing distinctive clothing bearing the name of the company or by wearing appropriate badges which contain the contractor’s company name and the employee’s name.

2.1.2.1. Personnel Qualifications. The contractor worker or subcontractor shall possess a training certification for “Periodical Maintenance Course for Potable Water Quality Monitoring Device, MWB4-72 Type” or equivalent certificate issued by DKK-TOA Service Corporation or by its authorized agencies.

The contractor shall submit a copy of the certification to the KO prior to the contract award.

2.1.3. Removal of Contractor’s Employees. The contractor shall utilize only experienced, responsible and capable employees in the performance of this contract. The KO may require that the contractor remove any of his/her employees who endanger persons or property, or whose continued employment under this contract is inconsistent with the interests of the U.S. Government.

2.1.4. Other Country Nationals (OCN). The security forces on each base control entry to the base.

Under certain circumstances, the OCN might be denied entry. It is the contractor’s responsibility to coordinate with security forces at each base when there is a question about particular entry circumstances.

2.1.5. U.S. Government and/or Master Labor Contract Employees. The contractor shall not hire employees of the U.S. Government and/or Government of Japan Master Labor Contract employees in violation of the Procurement Integrity Act. See FAR 3.104. Furthermore, the contractor shall not employ any Department of Defense employee, either military or civilian, unless such person seeks and receives approval in accordance with Department of Defense 5500.7-R, Joint Ethics Regulation.”

2.1.6. Military Personnel. The contractor is cautioned that off-duty active military personnel hired under this contract may be subject to permanent change of station, change in duty hours, or deployment. Military Reservists and National Guard members may be subject to recall to active duty. Abrupt absence of these personnel could adversely affect contractor’s ability to perform; however, their absence at any time shall not constitute an excuse for non-performance under this contract.

2.1.7. Roster. The contractor shall provide a complete roster of all personnel (including the contract manager and alternate contract manager) to the CORs prior to start of performance. The roster must include all employee names, addresses, and telephone numbers. The contractor shall maintain a current listing of employees, providing updates as changes occur.

2.2. QUALITY CONTROL. The contractor shall develop and maintain a quality control program to ensure the services are performed in accordance with commonly accepted commercial practices. The contractor shall develop and implement procedures to identify, prevent and ensure non-recurrence of defective services. At a minimum, the contractor shall develop quality control procedures addressing the areas identified in Section 2, Services Summary.

2.3. QUALITY ASSURANCE. The Government will evaluate the contractor’s performance in accordance with the Quality Assurance Surveillance Plan (QASP) by appointing a COR to monitor performance to ensure services are received.

2.4. GOVERNMENT REMEDIES. The KO shall follow FAR 52.212-4, Contract Terms and Conditions- Commercial Items, for the contractor’s failure to perform satisfactory services or failure to correct non-conforming services.

2.5. CONTRACTING OFFICER (KO) AUTHORITY. Only the KO has authority to enter into, administer, terminate or modify the terms and conditions herein. Any changes made by persons other than the KO will be considered an unauthorized commitment and subject to ratification actions in accordance with FAR 1.602-3.

2.6. CONTRACTING OFFICER’S REPRESENTATIVE (COR). The contractor shall coordinate all aspects of this requirement with the COR. Completed work shall be subject to inspection and acceptance by COR. This designation will be made in writing by the KO at the time of contract award, or prior to commencement of COR duty. The COR shall NOT direct or redirect any contractor action(s). This can only be done by the KO.

2.7. AVAILABILITY OF FACILITY.

2.7.1. Hours of Service. The contractor’s personnel will perform scheduled work on weekdays, Monday through Friday (exclusive of the U.S. legal and other designated holidays listed below), during normal duty hours, 0800 - 1600 hours unless prior arrangements have been made with the CORs.

2.7.2. Legal American Holidays and Other Designated Holidays.

American Holidays 1 January New Year’s Days 3rd Monday in January Martin Luther King Jr.’s Birthday 3rd Monday in February President’s Day Last Monday in May Memorial Day 4th of July* Independence Day 1st Monday in September Labor Day 2nd Monday in October Columbus Day 11 November* Veterans Day 4th Thursday in November Thanksgiving Day 25 December* Christmas Day

Other Designated Holidays 1, 2 & 3 January New Year’s Days 11 August Mountain Day 29, 30 & 31 December Year End Days

*Holidays falling on a Saturday will be observed on the preceding Friday, and holidays falling on a Sunday will be observed on the following Monday.

2.7.3. Arrangements of the Performance Time. Should the contractor decide to perform any of the required services before or after normal duty hours, the contractor shall request approval prior to performance from the CORs and shall do so at no additional cost to the Government.

2.8. SECURITY AND SAFETY REQUIREMENTS.

2.8.1. Installation Base Passes. The U.S. Government will issue all required Installation/Base Passes and Controlled Area Badges to contractor personnel at no cost to the contractor. Vehicle insurance certificates are required to obtain Base Passes and must cover the automobile liability insurance in the types and minimum amounts of (a) Bodily Injury - ¥30,000,000 per person per occurrence, in addition to the Japanese Compulsory Insurance (JCI), and (b) Property Damage - ¥3,000,000 per occurrence. The prime contractor shall be responsible for all passes issued to his/her own or subcontractor’s employees under this contract. The contractor shall return all applicable passes upon termination of employment or completion of this contract to the Japanese Pass Section, and a certificate of receipt shall be obtained.

NOTE: Contractor personnel are required to comply with U.S. Army Regulation 190-5 for personnel pass requirements. Contractors are also required to comply with U.S. Army Garrison Japan Regulation 190-13 for vehicle pass requirements. These regulations are available for the selected contractor’s review upon personnel and/or vehicle pass issuance.

2.8.2 Security Requirements. The contractor shall ensure each employee obtains all the required passes and identification items for access to U.S. Government’s installations. These items are issued by the Security Forces Pass and Registration Section. The contractor and employees shall return identification cards to Security Forces within 24 hours of termination or completion of this contract. All other Government identification for terminated employees shall be returned to the KO within 24 hours of termination.

2.8.3. Off Limit Signs. The contractor shall provide warning and/or ”OFF LIMITS” signs in both English and Japanese and post them at the entrances of jobsite, and barricades around the jobsite while the equipment and/or systems are being serviced. The contractor shall control all personnel desiring access into jobsite areas when work is in progress.

2.8.4. Photography Permission. The contractor shall obtain COR approval prior to commencing any photography.

2.8.5. Reports of Damages, Destruction, Injury, or Death

2.8.5.1. The contractor shall report all incidents of damage or destruction to property, or personal injury or death to any person, arising out of and during the performance of this contract. The term “property” includes equipment, freight, or property of any type, whether Government owned or not. The term “Contractor” includes the contractor, its agents, servants or employees.

2.8.5.2. The contractor shall submit these reports to the KO through the COR as follows:

(a) A preliminary report shall be made as soon as practicable after the time the incident occurs. The report may be either verbal or facsimile.

(b) A complete written report shall be submitted within 4 days (96 hours) after occurrence of the incident. A copy of this report shall be furnished to the COR.

2.8.6. Security Danger Warning, Accident Prevention, Fire Prevention and Fire Protection Requirements. The contractor shall comply with all pertinent requirements of the U.S. Army and USAG- J Fire Protection and Safety Regulations or Laws of Japan, whichever is more stringent, to insure compliance by all subcontractors.

2.8.7. Accident Prevention Plan and a Job Hazard Analysis. The contractor shall not commence work at the job site until an Accident Prevention Plan and a Job Hazard Analysis are submitted for review and approved by the COR. The contractor is responsible for reviewing section 1 and 34 of EM 385-1-1, the US Army Corps of Engineers’ Safety and Health Requirements Manual, http://140.194.76.129/publications/eng-manuals/em385-1-1/2008_English/toc.html.

2.8.8. Hazardous Materials. All hazardous materials must be contained and stored in the appropriate storage containers and/or cabinets. The contractor shall immediately report spills or release of hazardous materials to the COR. The contractor shall be liable for containment and environmental clean-up of spill or release of such substance. The contractor shall comply with municipal environmental laws to protect the health and safety of employees/residents and minimize or eliminate environmental pollution. The contractor shall follow manufacturer’s guidelines and professional recommendations for control of humidity, temperature, cleanliness, and materials handling. The contractor shall comply with environmental and hazardous materials storage and handling requirements and maintain current Material Safety Data Sheets (MSDS). Upon request of the COR, the contractor shall submit the MSDS to the COR

2.8.9. Environmental Regulations. The contractor shall comply with all U.S. Government and Japanese environmental laws (whichever are most stringent) to protect the health and safety of employees/residents, and preserve the local and global environment. The contractor shall comply with the Japan Environmental Governing Standards (JEGS) and shall minimize or eliminate environmental pollution and energy/utility waste.

2.8.10. Environmental and Hazardous Material Handling. The contractor shall comply with the Japan Environmental Governing Standards (JEGS) to protect the health and safety of employees/residents and minimize or eliminate environmental pollution.

The Contractor shall follow the installation Spill Prevention Control and Countermeasure (SPCC) Plan and Oil and Hazardous Substance (OHS) pollution Contingency Plan in case of a spill or release of POL and/or hazardous substances. The Contractor shall immediately notify Fire and Emergency Services, Directorate of Emergency Services, U.S. Army Garrison Japan of any spills that occur on the installation through the Emergency Phone Number. The contractor will be liable for containment and clean-up of the site.

2.8.11. Delivery and Storage of Materials. All materials delivered and placed in storage shall be protected from the weather, humidity and temperature variations, dirt and dust, or other contaminants by the contractor.

2.8.12. Disposal of Materials. All debris and unserviceable materials generated under this contract such as industrial waste, non-recyclable materials and equipment/material not listed on hand-receipts shall be disposed of off-base by the contractor in accordance with the laws of Japan. Hand receipt items require turn-in action by the contractor when the listed items have to be replaced.

2.8.13. Responsibility for Damages. Any damages caused to U.S. Government property during the course of performing this contract shall be restored, replaced and/or repaired to its original condition at no additional cost to the U.S. Government.

2.9. CLEANLINESS. The contractor is responsible for cleanliness of the service areas. This includes, but is not limited to, washing, sweeping, dusting and other janitorial services necessary to maintain the area in a clean and sanitary condition. The contractor shall furnish such supplies as required.

2.10. COMMERCIAL WARRANTY. The contractor shall provide the Government with their commercial warranty. The Government shall receive the same warranty service as the contractor’s most favored customers. If the services fail to be performed or otherwise fail due to workmanship or materials, the contractor shall correct the affected area(s) at no additional cost to the U.S. Government. The Government reserves the right to reject any unserviceable or substandard item and to require replacement with a serviceable like item or acceptable quality item or to require full credit for the item.

2.11. CONSERVATION OF UTILITIES. The contractor shall instruct employees in utility conservation practices. The contractor shall be responsible for operating under conditions, which preclude the waste of utilities. The contractor shall comply with additional energy policies upon notification by the

KO.

2.12. Contract Manpower Reporting. The contractor shall report ALL labor hours (including subcontractor labor hours) required for the performance of services provided under this contract via a secure data collection site. The contractor is required to completely fill in all required data fields at http://www.ecmra.mil.

2.12.1. Reporting inputs will be for the labor executed during the period of performance for each Government fiscal year (FY), which runs 1 October through 30 September. While inputs may be reported any time during the FY, all data shall be reported no later than 31 October each calendar year. Contractors may direct questions to the CMRA help desk.

2.12.2. Information from the secure web site is considered to be proprietary in nature when the contract number and contractor identity are associated with the direct labor hours and direct labor dollars. At no time will any data be released to the public with the contractor name and contract number associated with the data.

SECTION 2

SERVICES SUMMARY

The following Services Summary (SS) identifies the performance objectives and performance thresholds for critical tasks associated with providing support services for this requirement. The performance threshold briefly describes the minimum acceptable levels of service required for each requirement. These thresholds are critical to mission success.

SS Number and Performance

Objective PWS Paragraph Performance Threshold

Method of Assessment

SS#1. Inspection and Maintenance:

Completion of items as listed under “Inspection and Maintenance” in Appendix B1

Para. 1.1. One (1) defect is allowed per 6 months

Periodic Inspection (Monthly)

SS#2. Repairs: Timely completion of repair work IAW approved work schedule

Para 1.2 One (1) defect is allowed per time

100% Inspection

SS#3 Submittals: Timely submission of document with required information

Para. 1.1.5., Para. 1.2.2. & Para. 1.2.6.

(i) Annual Schedule: No delay is allowed

(ii) Report: Two (2) defects are allowed per year.

100% Inspection

SECTION 3

APPENDICES

4. APPENDICES.

PAGE

APPENDIX A1: Location and Specification of Monitoring Systems A1

APPENDIX A2: Installation of Water Quality Monitoring Systems

A2-1 Camp Zama (Bldg 832) A2-1-1 ~ A2-1-3 A2-2 Camp Zama (Bldg 858) A2-2-1 ~ A2-2-3 A2-3 Sagami General Depot (Bldg 102-6) A2-3 A2-4 Yokohama North Dock (Bldg 349) A2-4-1 ~ A2-4-3 A2-5 Akasaka Press Center (Bldg 1) A2-5

APPENDIX B1: Monthly Inspection and Maintenance List B1-1 ~ B1-2

Appendix A1

APPENDIX A1

Location and Specification of Monitoring Systems

LOCATION:

INSTALLATION BUILDING NUMBER/REMARKS

1 Camp Zama Bldg 832

2 Camp Zama Bldg 858

3 Sagami General Deport Bldg 102-S6 (pressure sensor is located outside the building)

4 Yokohama North Dock Bldg 349

5 Akasaka Press Center Bldg 1

SPECIFICATION: Manufacture: TOA DKK

MAIN SYSTEM COMPONENTS REMARKS

Compact City Water Analyzer, Model Number: MWB4-72

Air Vent Valve

Strainer

High Accurate Pressure Sensor Applicable only for the system at Sagami General Depot

Monitoring Panel Circuit Breaker

Relay

Power Transformer Not used for the system at Yokohama North Dock

Switching Regulator Power Supply Applicable only for the system at Sagami General Depot

Current Signal Arrester Applicable only for the system at Sagami General Depot

Power Line Arrester Applicable only for the system at Yokohama North Dock

Ventilation Fan Applicable only for the system at Yokohama North Dock

Thermo Switch for Ventilation Fan Applicable only for the system at Yokohama North Dock

Appendix B1-1

APPENDIX B1

MONTHLY INSPECTION AND MAINTENANCE LIST

(Ref: Para. 1.1.)

NO TYPE OF SERVICE SYSTEM ITEM

1 INSPECTION Turbidity analyzer Condition of silica gel, Physical condition

2 Residual chlorine analyzer Condition of silica gel, Physical condition

3 pH analyzer Physical condition

4 Pressure sensor Physical condition

5 Recorded Data Review stored data and verify the accuracy

6 Sample supply system Accuracy of flow rate, condition of piping, valves, etc.

7 Measurement cell Presence of accumulated solid particle, dirt, etc.

8 Measurement cell Presence of bubbles inside of sample-holding cell

9 Measurement cell Occurrence of condensation-forming

10 Drain system Physical conditions (valves, piping, etc.)

11 Other Water leak, Power line, Ventilation fan, etc.

DATA

VALIDATION

Turbidity analyzer Verify the accuracy by comparing with the data generated by the third party device

13 Residual chlorine analyzer Verify the accuracy by comparing with the data generated by the third party device

14 pH analyzer Verify the accuracy by comparing with the data generated by the third party device

15 Pressure sensor Verify the accuracy by comparing with the data generated by the third party device

16 CALIBRATION Turbidity analyzer Zero calibration

17 Turbidity analyzer Span Calibration

18 Residual chlorine analyzer Zero calibration

19 Residual chlorine analyzer Span Calibration

20 pH analyzer Span calibration (calibration using pH standards)

21 Pressure sensor Calibration using pH pressure gauge

22 Pressure sensor Confirmation of zero reading

Appendix B1-2

CLEANING AND

ADJUSTMENT

Sensors and electrodes Physical, mechanical or electronic adjustment as necessary

24 Measurement cell Cleaning or adjustment of parts and accessories.

Sample supply system / measurement cell

Acid cleaning using Oxalic acid (5%) as necessary

REPLACEMENT

OF EXPENDABLE

ITEMS

Overall Replace damaged or unsecured parts in accordance with manufacturer’s operation and maintenance manual.

27 Turbidity analyzer Silica gel 20g as necessary (replacement may be required once every quarter or less frequently. Frequencies vary by location)

28 Turbidity analyzer

O-ring S15, Used for silica gel holder and reflection mirror as necessary (replacement may be required in once every quarter or less frequently. Frequencies vary by location)

29 Turbidity analyzer

O-ring S12.5, Used for silica gel holder as necessary (replacement may be required in once every quarter or less frequently.

Frequencies vary by location)

NOTE: If the contractor needs to use the alternate items other than those listed in the manufacturer’s operation and maintenance manual, the contractor shall obtain the approval for the usage by the COR prior to the purchase and usage.