W9127822R0005 Section J - Exhibit 11.2.2 SOP-FAC 018 Water Treatment Systems.pdf

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Operation and Maintenance of US Navy Medical Research Unit Six (NAMRU-6) in Peru
Solicitation number
W9127822R0005
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About this file

This document provides details on a federal contract solicitation for operation and maintenance services at the US Navy Medical Research Unit Six facility in Peru. The solicitation seeks proposals for furnishing all personnel, services, materials, and transportation necessary to operate and maintain the medical research laboratory facilities and support structures at NAMRU-6 in Lima, Peru and its satellite locations on a continuous basis. Requirements include preventative, predictive, demand, and emergency maintenance for architectural, mechanical, electrical, and instrumentation systems. Limited grounds keeping is also required. The contract will have a base year and four one-year options and utilize firm-fixed pricing. The work requires knowledge of efficiently operating medical research facilities of similar complexity. The contractor must minimize laboratory disruption and comply with regulatory bodies such as AAALAC for facilities including BSL-2 and BSL-3 labs. Eligible firms must have an average annual revenue of less than $41.5 million for the past three years. The solicitation is available for download at SAM.gov and proposals are due by the specified closing date.

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STANDARD OPERATING PROCEDURE (SOP) – MONTHLY PREVENTIVE

MAINTENANCE ACTIVITIES FOR WATER TREATMENT SYSTEMS IN

NAMRU-6 LIMA, IQUITOS AND PUERTO MALDONADO SITES

General Requirements for Lima, Iquitos and Puerto Maldonado

NAMRU-6 has the following water treatment systems in Lima, Iquitos and Puerto Maldonado sites:

- Lima site:

o Culligan 43 Cubic Feet automatic resin softener located in the main building. A complete annual preventive maintenance service is required that includes replacement of parts according to the manufacturer’s manual, and monthly inspections that include measurement of parameters: hardness, PH, conductivity and recommendations for improvement and supply of materials and/or spare parts. (see pictures #1, #2 and #3) o Reverse Osmosis System (ROS); water treatment system and chlorinator with 0.75 CV centrifugal pump, 220 volt water purifier located in room #117 annex building or also calling Building 2. It requires 2 semi-annual preventive maintenance with replacement of consumable filters and monthly inspections. (see pictures #4, #5, #6, #7 and #8) o Fulton kettle inlet water softening system, consisting of 2 head softeners that work alternately and a Fulton brand activated carbon filter, brine tank and chemical dosing tank that includes a dosing jump (see pictures #9, #10 and #11) o Water pumping system that supplies with water to all NAMRU-6 buildings located in the underground pump house of the fire cistern. It consists of two water pumps, a control panel with PLC and accessories, sensors, etc.

o Two water cisterns: a.- Irrigation/Water pumping system Cistern (30cubic meters) b.- Fire Protection water cistern (280cubic meters)

- Iquitos site:

o A model A940 automatic water softener, chlorine metering pumps and quartz and carbon filters and sediment is located near the main electrical room. An industrial purification system for water pre-treated by Reverse Osmosis Model: RO-200, capacity 1500 gpd with hydro-pneumatic pressurization system, 1.5 HP centrifugal electric pump mod JCR THREE-PHASE 220A 380V. Annual preventive maintenance is required, and monthly inspections and supply of materials and/or spare parts Inspections must include measurement of parameters such as hardness, Ph and conductivity (see pictures #12, #13, #14, #15, #16 and #17) o An industrial Reverse Osmosis equipment, model: ACQUA-2MX2540, Section J - Exhibit 11.2.2 SOP-FAC 018 located on the first floor Entomology floor. It requires an annual preventive maintenance and monthly inspections and supply of materials and/or spare parts. (see pictures #18 and #19) o Water pumping system of flow and constant pressure to supply water to the treatment plant, softeners, entomology Reverse Osmosis and buildings of NAMRU-6 in Iquitos consisting of:

2 Pedrollo centrifugal electric pumps 2hp-220V-three-phase.

1 panel for constant pressure of pumps and variator for 2hp pumps.

PEN24LX brand vertical hydropneumatic tank, 24 liters, 150Psi, 1’ NPT.

1 Luise GL90 automatic level controller and 1 Danfoss 0-10 bar mbs 1900 pressure transmitter.

- Puerto Maldonado site:

o An automatic 1Feet3 water softener, Model: ABL-9X48 with a 9” diameter

48” high FRP material reactor tank. Pentair brand and Automatic valve - Model 263/760 located on the rear side of the fourth generator. An annual preventive maintenance and monthly inspections and supply of materials and/or spare parts are required. (pictures #20 and #21) o A 7-stage domestic Reverse Osmosis equipment with ultraviolet sterilizer, UV- 14W 220V equipment located within the Parasitology laboratory, requires annual preventive maintenance services and monthly inspections and supply of materials and/or spare parts (see pictures #22, #23 and #24)

Pictures 1, 2 and 3. Culligan softener and filtration system and automatic control valve.

Pictures 4, 5 and 6. Seven stage reverse Osmosis water purification system and sodium hypochlorite metering pump and inline chlorine sensor/meter.

Picture 7. Water Purification production diagram in room #117 of the annex building.

Picture 8. Centrifugal pump

Picture 9, 10 and 11. Softener, activated carbon filter and brine tank and chemical sodification system.

Picture 12, 13, 14, 15, 16 and 17. Waters softener, filters and RO equipment.

Picture 18 and 19. Industrial RO equipment

Pictures 20 and 21. Water softener

Picture 22, 23 and 24. RO equipment and brief explanation of seven steps RO process.

Contractor shall provide the names and certification of the technicians performing preventive maintenance tasks. Only qualified technicians shall perform preventive and corrective maintenance tasks. .

Contractor shall perform monthly and annual preventive maintenance activities to all of the water treatment systems as specified in this document. It is the responsibility of the contractor to perform a full inspection of the systems and collect all required information to provide a quality preventive maintenance. In addition, contractor shall review operation manuals for the equipment of the systems under this contract and include any recommended preventive maintenance activities by the manufacturer not mentioned in this document.

Contractor shall elaborate, review and update the drawings in AUTOCAD of the water treatment systems in Lima, Iquitos and Puerto Maldonado sites on an annual basis.

Contractor shall include all materials, tools and personal protective equipment necessary to perform preventive and corrective maintenance work. Contractor must use the necessary and appropriate equipment to delimit the work area and not allow the pedestrian traffic. The contractor’s staff shall use the appropriate PPE for the activity to perform. NAMRU-6 will not provide any materials, tools nor PPE to the contractor to perform their work.

The contractor shall provide a weekly progress report to the NAMRU-6 facilities department, as well as a completion report when completing the maintenance work to include: activities performed with pictures, recommendations, conclusion and future needed corrective maintenance tasks. When a corrective maintenance work is required, the contractor shall submit a report detailing the problem encountered, with a quotation of the solution.

The preventive maintenance work will be coordinated between NAMRU-6 facilities staff and the staff assigned by the contractor.

Contractor shall perform operational testing of the systems at the completion of each preventive maintenance work. NAMRU-6 facilities department will assign a staff to participate in the operational testing and contractor shall prepare an operational testing form (checklist) to be signed by the facilities staff once testing is perform and accepted.

It is the responsibility of the contractor to dispose properly out of NAMRU-6 facilities all consumable materials and garbage generated by the contractor during the performance of the maintenance activities.

Contractor shall perform chemical water testing on a monthly basis. Contractor shall perform Biological and/or potability water testing on an annual basis.

Applicable codes:

The following are applicable codes for the elaboration of the preventive maintenance plan, reports and activities mentioned in this document:

NFPA 77

NFPA 70

AWWA

International Plumbing Code RNE – Peruvian National construction code Local regulations and codes

Description of work required in Lima

WATER TREATMENT SYSTEMS IN LIMA

The contractor shall perform the following preventive maintenance activities to water treatment systems in Lima:

WATER TREATMENT SYSTEM – LIMA

Item Sub-system Task Frequency

1 Water treatment systems Detailed inspection to water treatment equipment, filters and/or any other components. Clean if necessary

Monthly

2 Water treatment systems

Perform water quality testing at each one of the water treatment units. At least provide values of the following parameters:

water conductivity, PH, treated water hardness, inlet water chlorine, leaving water chlorine, TDS (total dissolved solids), Alkalinity (ppm CaCO3), and Total iron (ppm), phosphate, sulphite. Provide a report, include recommended values, compare them to the measured values, and provide recommended actions to adjust values if necessary.

Monthly

3 Water treatment systems

Perform water quality test to laboratory sinks to 5 areas in Lima, where special water treatment equipment is located:

modular labs A and B, PRNT lab (Ultra-pure water treatment equipment), Media Prep laboratory, veterinary laboratories, etc. At least provide values of the following parameters: water conductivity, resistivity, total organic carbon, PH, treated water hardness, inlet water chlorine, leaving water chlorine, TDS (total dissolved solids), Alkalinity (ppm CaCO3), Total iron (ppm), phosphate, sulphite. Provide a report, include recommended values, compare them to the measured values, and provide recommended actions to adjust values if necessary.

Monthly

4 Water treatment systems Check status and replace filters if necessary Monthly

5 Water treatment systems Perform operation testing of all equipment and provide a report with status of each equipment

Monthly

6 Water treatment systems

Provide chemicals and treat water used for the heater/boiler of the HVAC system and boiler of cage washer. Recommended chemicals are CHEM-AQUA 999 and NM0215 and/or similar quality.

Monthly

7 Water treatment systems

Provide industrial salt in grain, 50 kg (bag) on a quarterly basis and pour salt to reactive the membrane of the softener in a monthly basis if necessary

Monthly

8 Water treatment systems

Perform biological water quality testing at 5 areas/points of laboratory/offices rooms, providing at least readings of the following parameters: Total and Fecal coliforms.

Testing shall be done by a certified laboratory and shall provide a written signed report.

Annual

9 Water softener Disassembly of cationic resin and gravel of different diameters. Annually

10 Water softener Chemical cleaning and reactivation.

Annual

11 Water softener

Cleaning the inside of the reactor tank and removing internal rust and coating with epoxy paint. Change of packaging for the correct seal of the reactor.

Annual

12 Water softener

Revision and cleaning of nozzles and internal accessories of the reactor columns.

13 Water softener

Cleaning the brine tank. Disassembly and cleaning for the suction valve of the brine tank and cleaning of the suction venture of the brine tank

Annual

14 Water softener Filled with industrial salt to the brine tank for testing Annual

15 Water softener

Paint softener, filter support with anticorrosive paint, and finished with epoxy paint.

16 Water softener Regeneration and start-up of the equipment Annual

17 Water softener Disassembly and cleaning of the valve shaft and calibration of the hydraulic connections

Annual

18 Water softener Electronic card cleaning Annual

19 Water softener Grinding and painting of sanitary.

20 Water softener Hydraulic tests of the equipment as whole Annual

21 Filtration system Cleaning and sanitizing the sediment filters. Annual

22 Filtration system Lubrication of the o-rings of the each filter holder cover Annual

23 Filtration system Change of four filter elements of 5 microns, measures: 4.5x20 Annual

Reverse Osmosis System and chlorine measurement and control device

Replacement of reverse Osmosis System filters on a quarterly basis (compact carbon filter, granular activated carbon filter and 5 micron sediment filter).

Reverse Osmosis System and chlorine measurement and control device

Annual replacement of the Ultraviolet lamp of the reverse Osmosis System.

Reverse Osmosis System and chlorine measurement and control device

Cleaning and sanitizing the chemical tank cap. 80 liters.

Reverse Osmosis System and chlorine measurement and control device

Cleaning and replacement of pieces of chlorine measuring equipment for commissioning that includes changing the thermal relay. Currently this chlorine meter is inoperative and the chlorine injection is done manually. The control parameters of the chlorine measuring equipment are: The alarm goes on at 3, the dosing jump is turned on at 1.5 and the dosing pump is switched off at 2.2

Reverse Osmosis System and chlorine measurement and control device

Maintenance of simple the single-phase centrifugal pump of the system that includes changing the bearings, varnishing the motor, cleaning the impeller, measuring the impeller, measuring the resistivity of the electric motor and hydraulic tests.

Electrical and Control Panels of the water treatment system

Inspection and cleaning of exterior panel Annual

Electrical and Control Panels of the water treatment system

Inspection and cleaning of interior panel Annual

Electrical and Control Panels of the water treatment system

Inspection and cleaning of interior devices using appropriate dielectric solvent Annual

Electrical and Control Panels of the water treatment system

Check operation of each contactor and breaker Annual

Electrical and Control Panels of the water treatment system

Inspection and tighten of all electrical connections inside the panel Annual

Electrical and Control Panels of the water treatment system

Check and install missing labels of wires and breakers Annual

Electrical and Control Panels of the water treatment system

Provide and replace new signs and labels mounted in the panels Annual

Electrical and Control Panels of the water treatment system

Check and provide missing electrical drawings and/or circuit’s description card in the panels

Annual

Electrical and Control Panels of the water treatment system

Check operation of PLC and display and calibrate if necessary Annual

38 Water cisterns

Perform through cleaning and disinfection of the two water cisterns: irrigation water cistern (30cubic meteres) and fire protection water cistern (280cubic meters).

Annual

39 Water Pumping system Perform maintenance to pumps, motors and any other related components Annual

Contractor will also include requirements per O&M manuals and any additional requirements not mentioned in this document but required or recommended by manufacturer as preventive maintenance activities to perform quarterly or annually.

Description of work required in Iquitos

WATER TREATMENT SYSTEMS IN IQUITOS

systems in Iquitos:

WATER TREATMENT SYSTEM – IQUITOS

Item Sub-system Task Frequency

1 Water treatment systems Detailed inspection to water treatment equipment, filters and/or any other components. Clean if necessary

Monthly

2 Water treatment systems Perform water quality testing at each one of the water treatment units. At least provide values of the following parameters:

Monthly water conductivity, PH, treated water hardness, inlet water chlorine, leaving water chlorine, TDS (total dissolved solids), Alkalinity (ppm CaCO3), and Total iron (ppm), phosphate, sulphite. Provide a report, include recommended values, compare them to the measured values, and provide recommended actions to adjust values if necessary.

3 Water treatment systems

Perform water quality test to laboratory sinks to 5 areas in Iquitos. At least provide values of the following parameters: water conductivity, resistivity, total organic carbon, PH, treated water hardness, inlet water chlorine, leaving water chlorine, TDS (total dissolved solids), Alkalinity (ppm CaCO3), Total iron (ppm), phosphate, sulphite. Provide a report, include recommended values, compare them to the measured values, and provide recommended actions to adjust values if necessary.

Monthly

4 Water treatment systems Check status and replace filters if necessary Monthly

5 Water treatment systems Perform operation testing of all equipment and provide a report with status of each equipment

Monthly

6 Water treatment systems

Perform biological water quality testing at 5 areas/points of laboratory/offices rooms, providing at least readings of the following parameters: Total and Fecal coliforms.

Testing shall be done by a certified laboratory and shall provide a written signed report.

Annual

7 Water Softener and RO equipment

Cleaning the sediment filter holder.

Annual

8 Water Softener and RO equipment

Lubricate O-rings.

Annual

9 Water Softener and RO equipment

Assemble the filter holder, filters, perform hydraulic tests, and verify line pressure.

10 Water Softener and RO equipment

Maintenance (painted) of filter holder supports, dosing pump, etc.

11 Water Softener and RO equipment

Cleaning of dosing pump injectors, head cleaning, diaphragm inspection and lubrication.

12 Water Softener and RO

Cleaning of storage tanks for chemical solutions.

13 Water Softener and RO equipment

Maintenance of the filtration system, Turbidex filter, cleaning and washing of the reactor tank and nozzles and maintenance of the internal elements of the automatic valve (camshaft, optical sensor, motor, display, etc.) Cleaning and lubrication of seals and O-rings. Fill quartz support gravel, verifying that it complies with the adequate quantity for correct operation and filling of the filter medium

Annual

14 Water Softener and RO equipment

Maintenance of the activated carbon filter, cleaning and washing of the filter reactor tank and nozzles and maintenance to the internal elements of the automatic valve (camshaft, optical sensor, motor, display, etc.).

15 Water Softener and RO equipment

Maintenance of the softening system, cleaning and washing of the filter reactor tank and nozzles and maintenance to the internal elements of the automatic valve (camshaft, optical, sensor, motor, display, etc.) Cleaning and lubrication of seals and O-rings. Fill quartz support gravel, verifying that it complies with the adequate quantify for correct operation and filling of the filter medium. Cleaning the brine tank.

Annual

16 Water Softener and RO equipment

Maintenance of ultraviolet equipment that includes cleaning and sanitizing the reactor chamber and resetting the ballast in line.

17 Water Softener and RO equipment

Disassembly of entry points of each membrane holder for injection of chemical inputs for chemical cleaning of each membrane, cleaning of all elements (flowmeters, solenoid valves, hoses) to discard incrustations. Permeate flowmeter cleaning, in-line conductivity, and temperature equipment calibration.

Annual

18 Water Softener and RO equipment

Cleaning of electric motor with dielectric liquid and measurement of coil resistivity. Disassembling the control panel and cleaning the electronic cards.

19 Water Softener and RO

Cleaning and lubrication of seals and O-rings. Fill quartz support gravel, verifying that it complies the adequate quantity for correct operation and filling of the filter medium.

20 Industrial Reverse Osmosis Equipment

Change of 20 and 5-micron filters.

Annual

21 Industrial Reverse Osmosis Equipment

Cleaning the sediment filter at each visit.

Annual

22 Industrial Reverse Osmosis Equipment

Inlet pressure check.

Annual

23 Industrial Reverse Osmosis Equipment Operation test to equipment. Annual

Water pumping system – constant flow and pressure control

Maintenance of centrifugal pumps of the system that includes change of bearings, varnishing of the motor, cleaning of the impeller, measurement of resistivity of the electric motor and hydraulic test.

Water pumping system – constant flow and pressure control

Hydro pneumatic tank maintenance.

Annual

Electrical and Control Panels of the water treatment system

Inspection and cleaning of exterior panel Annual

Electrical and Control Panels of the water treatment system

Inspection and cleaning of interior panel Annual

Electrical and Control Panels of the water treatment system

Inspection and cleaning of interior devices using appropriate dielectric solvent Annual

Electrical and Control Panels of the water treatment system

Check operation of each contactor and breaker Annual

Electrical and Control Panels of the water treatment system

Inspection and tighten of all electrical connections inside the panel Annual

Electrical and Control Panels of the water treatment system

Check and install missing labels of wires and breakers Annual

Electrical and Control Panels of the water treatment system

Provide and replace new signs and labels mounted in the panels Annual

Electrical and Control Panels of the water treatment system

Check and provide missing electrical drawings and/or circuit’s description card in the panels

Electrical and Control Panels of the water treatment system

Check operation of PLC and display and calibrate if necessary Annual

Description of work required in Puerto Maldonado

WATER TREATMENT SYSTEMS IN PUERTO MALDONADO

systems in Puerto Maldonado:

WATER TREATMENT SYSTEM – PUERTO MALDONADO

Item Sub-system Task Frequency

1 Water treatment systems Detailed inspection to water treatment equipment, filters and/or any other components. Clean if necessary

Monthly

2 Water treatment systems

Perform water quality testing at each one of the water treatment units. At least provide values of the following parameters:

water conductivity, PH, treated water hardness, inlet water chlorine, leaving water chlorine, TDS (total dissolved solids), Alkalinity (ppm CaCO3), and Total iron (ppm), phosphate, sulphite. Provide a report, include recommended values, compare them to the measured values, and provide recommended actions to adjust values if necessary.

Monthly

3 Water treatment systems

Perform water quality test to laboratory sinks to 2 areas in Puerto Maldonado. At least provide values of the following parameters: water conductivity, resistivity, total organic carbon, PH, treated water hardness, inlet water chlorine, leaving water chlorine, TDS (total dissolved solids), Alkalinity (ppm CaCO3), Total iron (ppm), phosphate, sulphite. Provide a report, include recommended values, compare them to the measured values, and provide recommended actions to adjust values if necessary.

Monthly

4 Water treatment systems Check status and replace filters if necessary Monthly

5 Water treatment systems Perform operation testing of all equipment and provide a report with status of each equipment

Monthly

6 Water treatment systems Perform biological water quality testing at 5 areas/points of laboratory/offices rooms, Annual providing at least readings of the following parameters: Total and Fecal coliforms.

Testing shall be done by a certified laboratory and shall provide a written signed report.

7 Water Softener

Electric pump. Bearing change, motor varnishing, impeller cleaning, mechanical seal change and electric motor resistivity measurement and hydraulic tests. Change of impellers.

Annual

8 Water Softener

Manual valve calibration, check valve cleaning, pressure sensor calibration, air pressure verification of the hydro pneumatic tank.

9 Water Softener Maintenance of the electrical panel.

Annual

10 Water Softener Sanitization and chemical cleaning of the raw water storage tank.

11 Water Softener Chemical cleaning and sanitization to 9x48 FRP tank.

12 Water Softener

Review and maintenance of internal components of automatic control valve, cleaning and lubrication.

13 Water Softener Checking and cleaning nozzles.

14 Water Softener Cleaning and sanitizing the brine tank.

15 Water Softener Sanitization and chemical cleaning of resin. Annual 16 Water Softener Change of support gravel. Annual

17 7-stage domestic RO equipment

Change the 5-micron cartridge filter (01 unit) every 4 months.

18 7-stage domestic RO equipment

Change of filter medium every 4 months of activated carbon filter medium.

19 7-stage domestic RO equipment

Change compact activated carbon cartridge filter every 4 months.

20 7-stage domestic RO equipment

Sanitization and chemical membrane cleaning.

21 7-stage domestic RO

Change every 4 months of activated carbon post filter cartridge filter.

22 7-stage domestic RO equipment

Annual Ultraviolet lamp change.

Annual

23 7-stage domestic RO equipment

Chamber and quartz sleeve cleaning.

Annual

24 7-stage domestic RO equipment

Change of cartridge filter or remineralizer filter.

Electrical and Control Panels of the water treatment system

Inspection and cleaning of exterior panel Annual

Electrical and Control Panels of the water treatment system

Inspection and cleaning of interior panel Annual

Electrical and Control Panels of the water treatment system

Inspection and cleaning of interior devices using appropriate dielectric solvent Annual

Electrical and Control Panels of the water treatment system

Check operation of each contactor and breaker Annual

Electrical and Control Panels of the water treatment system

Inspection and tighten of all electrical connections inside the panel Annual

Electrical and Control Panels of the water treatment system

Check and install missing labels of wires and breakers Annual

Electrical and Control Panels of the water treatment system

Provide and replace new signs and labels mounted in the panels Annual

Electrical and Control Panels of the water treatment system

Check and provide missing electrical drawings and/or circuit’s description card in the panels

Annual

Electrical and Control Panels of the water treatment system

Check operation of PLC and display and calibrate if necessary Annual

SPECIAL REQUIREMENTS

LIST OF SUPPLIES AND/OR SPARES

Contractor shall provide the minimum supplies and/or materials at each site shown in tables below:

LIMA SITE

Item Description Qty Equipment/System

1 Hydronix Brand polypropylene sediment cartridge 4.5'x20' 10. 4 Water softener

2 Annual maintenance of the Fulton kettle inlet water softening system, which consists of 2 head softeners that work alternately and a activated carbon filter.

1 Water softener

3 Bi-monthly inspections of the Fulton kettle inlet water softening system.

5 Water softener

4 Lewatit S-1567 cationic resin, 25 Lt (bag) 5 Water softener

5 Silica Gravel 1/2" 1/2', 50 Kg (bag) 2 Water softener

6 Silical Gravel 1/4" Kg 3 Water softener

7 Silical Gravel 1/8", 50 Kg (bag) 2 Water softener

8 Sediment filter 2.5 x 10 5 Micron 2 Water purifier

9 Granular activated carbón filter 2.5x10 2 Water purifier

10 Activated block carbon. 2 Water purifier

11 RO membrane. 1 Water purifier

12 UV lamp. 1 Water purifier 13 Automatic level control float. 1 Water purifier 14 Pressure switch. 2 Water purifier 15 Supply of industrial salt in grain, 50 kg (bag). Quarterly shipments of 50 bags on salt 200 Water softener

16 Room chlorine measurement equipment #117 annex building. 1 Water purifier

IQUITOS SITE

Item Description Qty Equipment/System

1 Silica Gravel 1/4" Kg 2

Water Plant

2 Filter Medium granular activated carbon 80836, brand: Cabot 25 KG (bag)

1 Water Plant

3 Lewatit S-1567 cationic resin 25 Lt (bag). 1 Water Plant

4 Replacement Ultraviolet Lamp S2Q/PA S330RL, brand: Viqua 3

GPM.

1 Water Plant

5 Polipropylene sediment cartridge brand: Hydronix 4.5'x20' 20 Micra.

4 Water Plant

6 Polipropylene sediment cartridge brand: Hydronix 2.5'x20' 50 Micra

4 Water Plant

7 Zeolite or Turbidex 21 Kg (bag) 1 Water Plant 8 Membrane for brackish water brand GE model AG4040TM

2400 GPD, 9.1 M3/DAY, 99.5%

1 Water Plant

9 Polypropylene sediment cartridge brand: Hidronyx 2.5'x20' 50 Micra.

Entomology Purifier

10 Polypropylene sediment cartridge brand: Hidronyx 2.5'x20' 5 Micra.

Entomology Purifier

11 Polypropylene sediment cartridge brand: Hidronyx 2.5'x20' 20 Micra.

Entomology Purifier

12 Membrane for brackish water brand GE, Modelo AG4021TF 4´x21' 1050 GPD 225 PSI.

1 Entomology Purifier

13 Automatic level control float. 1 Entomology Purifier

14 Pressure switch. 3 Water Plant

PUERTO MALDONADO SITE

Item Description Qty Equipment/System

1 Supply of 1.0 ft3 of Lewatit cationic resin filter material. 1 Water softener

2 Sediment filter. 3 Inverse Osmosis

3 Granular activated carbon filter. 3 Inverse Osmosis

4 Compact activated carbon filter. 3 Inverse Osmosis

5 RO membrane. 3 Inverse Osmosis 6 Carbon post filtration filter. 3 Inverse Osmosis 7 UV lamp. 1 Inverse Osmosis 8 Remineralizing filter. 3 Inverse Osmosis 9 Automatic level control float. 1 Water softener

10 Pressure switch. 1 Water softener 11 Supply of industrial salt in grain, 50kg (bag). Dispatches of 1 or 2 bags on salt every 4 months.

3 Water softener

WATER QUALITY TESTING

Contractor shall perform water quality test on a monthly basis to laboratory and office sinks in Lima, Iquitos and Puerto Maldonado. Specific guidance of location is provided in the tables above. Contractor shall at least provide values of the following parameters:

- water conductivity,

- resistivity,

- total organic carbon,

- PH,

- treated water hardness,

- inlet water

- chlorine,

- leaving water chlorine,

- TDS (total dissolved solids),

- Alkalinity (ppm CaCO3),

- Total iron (ppm),

- phosphate,

- sulphite.

Contractor shall provide a report, include recommended values, compare them to the measured values, and provide recommended actions to adjust values if necessary.

Contractor shall also perform biological tests on an annual basis to laboratory and office sinks in Lima, Iquitos and Puerto Maldonado. Parameters to measure are: total and fecal coliforms.

Contractor shall also provide chemicals and treat water used for the heater/boiler of the HVAC system and boiler of cage washer in Lima Site. Recommended chemicals are CHEM-AQUA 999 and NM0215 and/or similar quality.

CLEANING AND DISINFECTION OF WATER CISTERNS

Contractor shall clean and disinfect all water cisterns on an annual basis following the below procedures or similar:

- Contractor shall remove all water and/or any other materials (rocks, etc.) found in the cistern and shut down water and electrical power.

- Contractor shall prepare all walls, floor and ceiling of the cistern by injecting a chlorine solution (100ppm) to remove humid/mold. Contractor shall also use hand tools to manually remove germs from wall and apply a chlorine solution as needed. Then contractor shall clean with water and remove chlorine used to preliminary disinfect the cistern.

- Contractor shall apply quaternary ammonium or similar quality chemical to disinfect all walls, floor and ceiling of the cisterns. Contractor shall provide a procedure on how to apply this chemical and for how long to effectively disinfect the water cisterns. At the end of the process, contractor shall clean and remove chemical from the cistern.

Qualified technicians using correct PPE shall perform work described above. Contractor shall provide a written report and must perform testing to demonstrate the disinfection has been performed correctly.

ADDITIONAL INFORMATION

ANNEX 1: 2017 PREVENTIVE MAINTENANCE TO WATER TREATMENT SYSTEMS IN LIMA

ANNEX 2: 2017 PREVENTIVE MAINTENANCE TO WATER TREATMENT SYSTEMS IN

IQUITOS

ANNEX 3: REPORT OF WATER TREATMENT EQUIPMENT INSTALLATION IN PUERTO

MALDONADO

ANNEX 4: REPORT OF CLEANING AND DISINFECTION OF WATER CISTERNS

ANNEX 5: REPORT OF WATER QUALITY TESTING PERFORMED TO LABORATORY

AREAS

ANNEX 6: REPORT OF WATER TREATMENT TO WATER SUPPLY TO CHILLER AND

BOILERS

ANNEX 7: REPORT OF BIOLOGICAL WATER QUALITY TESTING AT ALL SITES

ANNEX 1

ACQUATECNOLOGIA S.A.C. es una empresa que desarrolla proyectos de ingeniería y produce sistemas de alta tecnología para Tratamiento de Agua y efluentes, nuestra división de Ingeniería y Proyectos a cargo del Ing. Carlos Rodriguez Palacios realizó el Servicio de Mantenimiento el día Miércoles 15 de Noviembre según el requerimiento del Área de Operación y Mantenimiento, exponiéndose in situ a sus encargados nuestras observaciones y recomendaciones.

Gracias a nuestra experiencia en la instalación de diversos Sistemas de Tratamiento de Aguas, hoy ponemos a su servicio nuestra ingeniería para el Servicio de Mantenimiento Preventivo y Correctivo del Sistema de Tratamiento de Aguas en NAMRU-6, el cual brindará un buen funcionamiento de todo el sistema tratamiento. Este equipo cumplirá con brindar una solución rentable y de acuerdo a las expectativas de calidad para agua.

Se realizó el servicio de mantenimiento al sistema de pre-tratamiento, el cual este servicio consistió en:

• Limpieza de los filtros de sedimentos que están instalados en paralelo cuatro (4) unidades, el cual es un proceso de retiro de sedimentos alojados en el fondo de los porta-filtros.

ANTES DESPUES

Se realizó el servicio de mantenimiento al sistema de filtración, el cual este servicio consistió en:

• Lubricación de los o-rings de cada tapa de los porta-filtros, esta técnica es empleada para reducir el rozamiento entre dos superficies.

filtración, el cual este servicio consistió en:

• Un cambio de filtros de sedimentos al ingreso del agua sin tratar. Es importante tener en cuenta que los filtros de sedimentos reducen sedimentos exclusivamente y por lo tanto no reducen la cantidad de químicos o metales pesados ni tampoco sirven para tratar el olor o sabor del agua.

Se realizó el servicio de mantenimiento al tanque salmuera, el cual este servicio consistió en:

• Limpieza del tanque salmuera, el cual consistió en el retiro de sedimentos alojados en el fondo del tanque.

• Desmontaje y limpieza del flotador, el cual así podemos verificar el estado de uso del equipo.

Se realizó el servicio de mantenimiento al tanque salmuera, el cual este servicio consistió en:

• Desmontaje y limpieza de la válvula de succión del tanque salmuera, proceso para la verificación si se encuentra en buen estado la válvula.

Se realizó el servicio de mantenimiento al tanque salmuera, el cual este servicio consistió en:

• Limpieza y pintado del Tubo Venturi de succión del tanque salmuera, para prevenir un mal funcionamiento, es un dispositivo inicialmente diseñado para medir la velocidad de un fluido aprovechando el efecto Venturi; el cual ayuda a la succión de la sal.

Se realizó el servicio de mantenimiento al sistema de Ablandamiento, el cual este servicio consistió en:

• Desmontaje de las tapas del Reactor y retiro de los empaques antiguos; el cual se verificará si se encuentran en un buen estado.

• Habilitación de empaques nuevos para el sello del reactor.

Ablandamiento, el cual este servicio consistió en:

• Retirar las conexiones sanitarias de la válvula automática

(ingreso, salida, rechazo).

• Desmontaje de la válvula automática.

• Retirar la tobera superior.

• Succión del medio filtrante colmatado, para la reactivación de la resina catiónica.

• Limpieza y sanitización, el cual consiste en el retiro de sedimentos alojados en el fondo de los tanques.

• Esmerilado en las superficies con irregularidades superficiales muy bajas en la parte interna y externa del reactor del equipo ablandador.

Se realizó el servicio de mantenimiento al sistema de Ablandamiento, el cual este servicio consistió en:

• Lijado consiste en alisar las superficies de un material de forma que queden listas para recibir el acabado final.

• Pulido hasta dotarle de una superficie satinada o brillante en la parte interna del reactor del equipo ablandador.

• Pintado con pintura epoxica la parte interna.

Ablandamiento, el cual este servicio consistió en:

• Pulido hasta dotarle de una superficie satinada o brillante en la parte externa del reactor del equipo ablandador.

• Pintado con pintura epoxica la parte externa.

• Una vez realizado la limpieza del tanque, continuar con el mantenimiento de la válvula automática.

• Desmontaje de los elementos internos de la válvula

(eje de leva, sensor óptico, motor, display).

• Limpieza y lubricación de los sellos y o-ring de la válvula automática.

• Desmontaje y limpieza del árbol de válvulas ACQUAMATIC, el cual así podemos verificar el estado de uso del equipo.

• Calibración de las conexiones hidráulicas, proceso de comparar los valores obtenidos por un instrumento de medición.

• Limpieza de las toberas superiores e inferiores, verificando incrustación para luego quitarlas con el pulido y esmerilado.

• Limpieza de la tarjeta electrónica y reprogramación del controlador culligan, verificando las conexiones sulfatadas o deterioradas.

Se realizó el servicio de mantenimiento a los soportes, el cual este servicio consistió en:

• Esmerilado y pintado de soportes de conexiones sanitarias.

Se realizó una limpieza al caudalímetro analógico con señal eléctrica para completar la automatización del ablandador, y realice la función de lavado automático por demanda.

• El equipo Flotador del Tanque Salmuera se encuentra en mal estado; por eso se recomienda cambiarlo para un buen funcionamiento.

• Se observó que la válvula ACQUAMATIC se encuentra deteriorada por su tiempo de uso, por lo cual se recomienda cambiar o realizar un mantenimiento interno la Válvula ACQUAMATIC.

• Se recomienda un cambio de caudalímetro, por motivo que el caudalímetro estaba deteriorada por su tiempo de uso y se encuentra en malas condiciones.

• Se requiere el cambio de un manómetro 0-100 PSI conexión vertical, diámetro 2 ½”, conexión ¼” con glicerina.

• Se recomienda un cambio de resina por lo menos mínimo un 30%.

• Se requiere un cambio urgente de grava (10 sacos consumibles) el cual se utiliza como soporte de medios filtrantes (resinas), la parte cóncava de los tanques son áreas que no intervienen en la filtración.

OBSERVACIONES:

Se realizó el pintado a los soportes de los porta-filtros.

Se observó que el equipo flotador se encuentra deteriorada por su tiempo de uso.

ING. CARLOS RODRIGUEZ PALACIOS

DIVISIÓN DE INGENIERÍA Y PROYECTOS

produce sistemas de alta tecnología para Tratamiento de Agua, nuestra división de Ingeniería y Proyectos a cargo del Ing. Carlos Rodriguez Palacios realizó el Primer Servicio de Mantenimiento el día Viernes 08 de Marzo hasta el día 15 de Marzo según el requerimiento del Área de Operación y Mantenimiento, exponiéndose in situ a sus encargados nuestras observaciones y recomendaciones.

Gracias a nuestra experiencia en la instalación de diversos Sistemas de Tratamiento de Aguas, hoy ponemos a su servicio nuestra ingeniería para el Servicio de Mantenimiento del Sistema de Tratamiento de Aguas en NAMRU-6, el cual brindará un buen funcionamiento de todo el sistema tratamiento. Este equipo cumplirá con brindar una solución rentable y de acuerdo a las expectativas de calidad para agua.

DIAGRAMA DE PRODUCCION DEL SISTEMA

DE PURIFICACION INSTALADO EN NARUM 6

LIMA-CALLAO

DESAGÜE

P-1

P-3

P-2AGUA DE

ALIMENTACION

Dosificación de

Hipoclorito de Sodio

E-6

E-3

P-5

V-1

P-11

I-1

P-8 P-6 E-4

E-2

E-1

E-5 P-10

P-7P-9

P-4

Medidor de cloro en línea

E-8 E-7

I-2

Sistema

Hidroneumático

P-12

P-13

Tanque de

Almacenamiento

Lavadero Metálico

LEYENDA

(1) Osmosis Inversa de siete (7) etapas

(2) Tanque Químico cap. 80 ltrs.

(3) Bomba Dosificadora de Hipoclorito de Sodio

(4) Equipo Medidor de Cloro

(5) Tanque de Almacenamiento para Agua Purificada

(6) Bomba Centrifuga monofásica

(7) Tanque Hidroneumático

(8) Lavadero Metálico

CLIENTE:

US Embassy Lima, Perú NAMRU6- Sede Lima

REV.:

FECHA: 04/05/2018

PLANO:

DIAGRAMA DE FLUJO

Lámina N°1

PROYECTO:

Provisión: Rosa Angelica Porras Salazar División de Ingeniería y Proyectos

REVISADO:

Carlos Rodríguez Palacios

APROBADO:

Jessica Guanilo Rodríguez

ESCALA:

1:1

SUMINISTRO E INSTALACIÓN DE EQUIPO PURIFICADOR Y SERVICIO DE

REUBICACIÓN PARA SISTEMA DE PURIFICACIÓN COMPLETO INSTALADO

PARA LA PRODUCCIÓN DE AGUA BEBIDA PARA ANIMALES (MONOS)

SISTEMA DE PURIFICACION

El agua de red pública ingresa hacia el Sistema de Purificación Completo de agua para retener la mayor parte de las sales disueltas en la Membrana;

obteniendo así, agua con una concentración salina muy inferior a la disolución de partida.

SOLUCIÓN RECOMENDACIÓN

Se realizó el cambio de filtro de Carbón Compacto, filtro de Carbón Activado Granular y filtro de Sedimento de 5 micras.

El periodo de los filtros son de tres (3) meses en operación.

Se realizó el cambio de lámpara ultravioleta.

El periodo de la lámpara ultravioleta es de un (1) año en operación.

El agua purificada es dosificada por cloro es eficaz para desinfectar el agua, es oxidar la materia orgánica para mantener la planta libre de contaminación biológica y disminuir al máximo el crecimiento de algas en el interior de las unidades, así mismo también cumple como rol principal el lograr una oxidación del arsénico presente en el agua.

Se realizó limpieza y sanitización al tanque químico.

Es necesario que se realice una limpieza mensualmente.

Esta agua desinfectada es medida por un medidor de cloro en línea, es un versátil sistema de monitoreo on-line diseñado para la medición continua de cloro en solución.

Se prende la Alarma 3.00

Se prende la bomba dosificadora 1.50

Se apaga la bomba dosificadora 2.20

Parámetros de Control

Se realizó el cambio de relay térmico.

Es necesario que anualmente se realice un servicio de mantenimiento.

El agua tratada pasa a almacenarse a un tanque de 250 litros para continuar su paso hacia un Sistema de Presurización que mantiene la operación de sus componentes.

RECOMENDACIONES:

Revisar el nivel de control bajo de la bomba inoperativo.

Se recomienda la automatización para el equipo de

Osmosis Inversa en función al llenadado del Tanque de Almacenamiento con sincronización al encendido y apagado de la bomba.

PROBLEMA SOLUCIÓN RECOMENDACIÓN

Cuando el manómetro se encontraba en 0 PSI la electrobomba no encendía y cuando encendía tenia un ruido fuerte, nuestro Jefe de operaciones se tuvo que llevar el equipo para su respectiva revisión.

Se realizó el cambio de los rodamientos, barnizado de motor, limpieza del impulsor, cambio del sello mecánico y medición de la resistividad del motor eléctrico y pruebas hidráulicas.

Es necesario que anualmente se realice un servicio de mantenimiento.

DIVISIÓN DE INGENIERÍA Y

PROYECTOS

ANNEX 2

produce sistemas de alta tecnología para Tratamiento de Agua y efluentes, nuestra división de Ingeniería y Proyectos a cargo del Ing. Carlos Rodriguez Palacios realizó el Servicio de Mantenimiento el día Miércoles 13 de Diciembre según el requerimiento del Área de Operación y Mantenimiento, exponiéndose in situ a sus encargados nuestras observaciones y recomendaciones.

Gracias a nuestra experiencia en la instalación de diversos Sistemas de Tratamiento de Aguas, hoy ponemos a su servicio nuestra ingeniería para el Servicio de Mantenimiento Preventivo y Correctivo del Sistema de Tratamiento de Aguas en NAMRU-6, el cual brindará un buen funcionamiento de todo el sistema tratamiento. Este equipo cumplirá con brindar una solución rentable y de acuerdo a las expectativas de calidad para agua.

Análisis de Agua

Parámetros Resultados pH 7.2

Fuente: ACQUATECNLOGÍA S.A.C. (Valores medidos en campo)

Sistema de Filtración

Se realizó el servicio de mantenimiento a los Filtros de Sedimentos, el cual este servicio consistió en:

• Cerrar la válvula de ingreso de agua salobre a la planta potable.

• Aflojar el porta filtro de color azul en sentido anti horario teniendo cuidado de no golpearse o dañar la rosca.

• Girar suavemente y con una mano por debajo del porta filtro sostenerlo para evitar que se resbale y se dañe.

Se realizó el servicio de mantenimiento a los Filtros de Sedimentos, el cual este servicio consistió en:

• Realizar la limpieza con ácido fosfórico la porta filtro.

Se realizó el servicio de mantenimiento a los Filtros de Sedimentos, el cual este servicio consistió en:

• Enjuagar con agua potable y colocar el filtro dentro de la carcasa alineando en el centro.

• Revisar el o ring del porta filtro y lubricarlo con vaselina.

• Montar porta filtro girando en sentido horario hasta generar un torque suave y no forzar.

• Realizar las pruebas hidráulicas presionando el purgador del filtro y verificar el sellado correcto del o ring.

• Verificar que no sufra perdidas de presión en la línea de lo contrario cambiar el filtro si fuera necesario.

Se realizó el servicio de mantenimiento a los soportes, el cual este servicio consistió en:

• Pintado de soportes de los Porta-filtros.

Soportes

Sistema de Dosificación

Se realizó el servicio de mantenimiento a la Bomba Dosificadora, el cual este servicio consistió en:

• Realizar el corte de fluido eléctrico de las dosificadoras de tipo diafragma de la planta potable.

• Realizar el desmontaje de las conexiones sanitarias.

• Realizar la limpieza de los inyectores de las bombas dosificadoras con ácido fosfórico.

Dosificadora, el cual este servicio consistió en:

• Desmontar el cabezal de las bombas dosificadoras.

• Realizar la Limpieza del cabezal y revisión del diafragma, para su posterior lubricación con vaselina.

• Realizar la Limpieza de las conexiones sanitarias

(mangueras, conectores, etc.) con ácido fosfórico.

• Realizar el desmontaje del motor eléctrico de las bombas dosificadoras iniciando la Limpieza con líquido dieléctrico, medir de la resistividad de la bobina.

• Desmontar el panel de control y proceder con la Limpieza de la tarjeta electrónica y testeo de los componentes con el multímetro para verificar el estado de las placas.

Se realizó el servicio de mantenimiento a los Tanques Químicos, el cual este servicio consistió en:

• Realizar la limpieza de los tanque de almacenamiento de soluciones químicas.

• Finalizado la limpieza y verificación del estado de la bobina, diafragma y conexiones sanitarias se procede al montaje de los componentes de las bombas dosificadoras.

Se realizó el servicio de mantenimiento a los soportes, el cual este servicio consistió en:

• Pintado de soporte de la Bomba Dosificadora.

Soporte

Filtro Turbidex

Se realizó el servicio de mantenimiento al Sistema de Filtración, el cual este servicio consistió en:

• Retirar las conexiones sanitarias de la válvula automática

(ingreso, salida, rechazo).

• Desmontaje de la válvula automática.

• Retirar la tobera superior y desmontaje del tubo central.

• Succión del medio filtrante colmatado.

Se realizó el servicio de mantenimiento al Sistema de Filtración, el cual este servicio consistió en:

• Limpieza y lavado del tanque reactor del filtro con ácido fosfórico.

• Realizar la limpieza de la tobera superior e inferior con ácido fosfórico para quitar el sarro y el moho adherido a las ranuras y luego proceder a enjuagarlos y verificar las dimensiones de las ranuras.

Se realizó el servicio de mantenimiento a las Válvulas Automáticas, el cual este servicio consistió en:

• Una vez realizado la limpieza del tanque, continuar con el mantenimiento de la válvula automática.

• Desmontaje de los elementos internos de la válvula

(eje de leva, sensor óptico, motor, display).

Se realizó el servicio de mantenimiento a las Válvulas Automáticas, el cual este servicio consistió en:

• Limpieza y lubricación de los sellos y o-ring de la válvula automática.

Se realizó el servicio de mantenimiento al Sistema de Filtración,

• Colocar el tubo central en el tanque y centrarlo.

• Sellar con cinta aislante el medio para no permitir el ingreso de filtrante en la tubería y obstruya la salida de agua filtrada.

Se realizó el servicio de mantenimiento al Sistema de Filtración, el cual este servicio consistió en:

• Llenar la grava soporte de cuarzo, verificando que cumpla con la cantidad adecuada para su correcto funcionamiento.

• Proceder al llenado del medio filtrante con la cantidad adecuada.

• Ensamblar las piezas retiradas de la válvula automática (eje de leva, sensor óptico y display).

Se realizó el servicio de mantenimiento al Sistema de Filtración, el cual este servicio consistió en:

• Colocar la tobera superior en la válvula automática y proceder al montaje de la válvula en el tanque reactor fibra de vidrio.

• Montar las conexiones sanitarias de la válvula automática (ingreso, salida, rechazo).

Filtro de Carbón Activado

Se realizó el servicio de mantenimiento al Sistema de Filtración, el cual este servicio consistió en:

• Retirar las conexiones sanitarias de la válvula automática

(ingreso, salida, rechazo).

• Desmontaje de la válvula automática.

filtración, el cual este servicio consistió en:

• Limpieza y lavado del tanque reactor del filtro con ácido fosfórico.

• Realizar la limpieza de la tobera superior e inferior con ácido fosfórico para quitar el sarro y el moho adherido a las ranuras y luego proceder a enjuagarlos

• Una vez realizado la limpieza del tanque, continuar con el mantenimiento de la válvula automática.

• Desmontaje de los elementos internos de la válvula

Se realizó el servicio de mantenimiento a las Válvulas Automáticas, el cual este servicio consistió en:

Se realizó el servicio de mantenimiento al sistema de filtración,

• Colocar el tubo central en el tanque y centrarlo.

• Sellar con cinta aislante el medio para no permitir el ingreso

Se realizó el servicio de mantenimiento al sistema de filtración, el cual este servicio consistió en:

• Llenar la grava soporte de cuarzo, verificando que cumpla con la cantidad adecuada para su correcto funcionamiento.

• Proceder al llenado del medio filtrante con la cantidad adecuada.

• Ensamblar las piezas retiradas de la válvula filtración, el cual este servicio consistió en:

• Colocar la tobera superior en la válvula automática y proceder al montaje de la válvula en el tanque reactor fibra de vidrio.

• Montar las conexiones sanitarias de la válvula

Sistema de Ablandamiento

Se realizó el servicio de mantenimiento al Ablandador Automático, el cual este servicio consistió en:

• Retirar las conexiones sanitarias de la válvula automática

(ingreso, salida, rechazo).

• Desmontaje de la válvula automática.

Automático, el cual este servicio consistió en:

• Limpieza y lavado del tanque reactor del filtro con ácido fosfórico.

• Realizar la limpieza de la tobera superior e inferior con ácido fosfórico para quitar el sarro y el moho adherido a las ranuras y luego proceder a enjuagarlos

Se realizó el servicio de mantenimiento a la Válvula Automática, el cual este servicio consistió en:

• Una vez realizado la limpieza del tanque, continuar con el mantenimiento de la válvula automática.

• Desmontaje de los elementos internos de la válvula

Se realizó el servicio de mantenimiento a las Válvulas Automáticas, el cual este servicio consistió en:

• Colocar el tubo central en el tanque y centrarlo.

• Sellar con cinta aislante el medio para no permitir el ingreso

Se realizó el servicio de mantenimiento al Ablandador Automático, el cual este servicio consistió en:

• Llenar la grava soporte de cuarzo, verificando que cumpla con la cantidad adecuada para su correcto funcionamiento.

• Proceder al llenado del medio filtrante con la cantidad adecuada.

Sistema de Ablandamiento

RECOMENDACIONES:

• Se recomienda un cambio de resina mixta.

• Ensamblar las piezas retiradas de la válvula

• Colocar la tobera superior en la válvula automática y proceder al montaje de la válvula en el tanque reactor fibra de vidrio.

• Montar las conexiones sanitarias de la válvula

Se realizó el servicio de mantenimiento al Ablandador Automático, el cual este servicio consistió en:

• Realizar la limpieza del tanque salmuera.

Sistema de Desinfección

Se realizó el servicio de mantenimiento al…

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