Tingo Pucará Water Supply System

OPERATION AND MAINTENANCE MANUAL

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I. Overview II. SafetyIII. IntakeIV. Sedimentation/Pump TankV. Pump VI. PipelineVII. Storage TankVIII.Distribution SystemIX. Maintenance

CONTENTS

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OVERVIEW

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PLAN VIEW

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Intake

Sediment/Pump Tank

Pump

Pipeline

StorageTank

DistributionSystem

CONTACT

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Sistemas Electricos IndustrialesAve. 10 de Agosto N 64-349 y Bellavista(Sector Parque de los Recuerdos)Telefax: 2482-829 / 084-068-432Quito – Ecuador

GrimasaAv. 10 de Agosto (50-63) N36-177 y NN UUTelefono: 2 245-041 Fax: 2 273-020Quitoe-mail: grimasa2@hotmail.com

Ferreteria San AgustinCalle Quito y Hnos. Pdez (esq.)Telfs.: 099 830 434 / 2812-797Fax: (03) 2802-156Latacunga - Ecuador

Dismaconcobre CIA. LTDA.Valladolid N24-611 y av. La CorunaTelefax: 2228-315 / 2235-207 / 2905-374e-mail: dismacon@andinanet.netQuito – Ecuador

Acero Comercial Ecuatoriano S.A.Av. La Prensa N45-14 y Telégrafo 1Telf.: 2454 333 / Fax: 2454 455E-mail: infouio@acerocomercial.com

Interconstruchernan301064@hotmail.com

SAFETY

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• Fill in holes and trenches at the end of every day

SAFETY

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• All valves should be opened and closed slowly to avoid damage

SLOWLY

SAFETY

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• When entering a tank, always work with a partner:

• When entering a tank, the valve or switch controlling the flow into the tank should be off, and the person in the tank should lock it out:

SAFETY

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Lock

PUMP

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Turning the Pump On (Manual Mode):1. Inspection: Examine the pump and wiring, look for damaged wires

in contact with metal piping or water. 2. Turning ON, Manual Mode: turn the knob from the OFF to the

MANUAL Position. The green light should turn ON.

3. TURN OFF IMMEDEATLY if the red light comes on, OR if the pump pressure exceeds 475 PSI

PUMP

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Powering On the Pump (Auto Mode)1.) Inspection: Examine the pump and wiring, look for damaged wires in contact with metal piping or water.

2.) Turning ON, Auto Mode: Simply turn the knobFrom the OFF to the AUTO Position. The Green Light should Turn ON.

3.) Turning OFF, Auto Mode: Simply turn the knob from the Auto to the OFF Position.

TURN OFF IMMEDEATLY IF:If the Red Light Turns ON.OR the Pump Pressure Exceeds 475 PSI

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Trouble Shooting in Auto Mode1.) Inspection: Examine the lights on the front of the “Tablero” Green Light should Be ON, the Red Light, Cistern Empty Light and Supply Tank Full Light should be OFF.AT THIS TIME THE PUMP SHOULD BE ON

2.) Pump OFF, while in Auto Mode: If the Cistern water level is too low the Cistern Pump Light will be ON and the PUMP will turn OFF. If the Supply Tank water level is too high then the Supply Tank Full Light will be ON and the PUMP will Turn OFF.

Supply Tank Float SwitchCondition:PUMP ONSWITCH Normally CLOSEDPUMP OFF (Tank Full)SWITCH Normally OPEN

Cistern Float SwitchCondition:Switch Normally CLOSEDPUMP ONSWITCH OPENPUMP OFF (Cistern Empty)13

Servicing The “Tablero”1.) Opening the “Tablero”: The “tablero” control unit should only be opened or serviced by the equipment vendor or an approved member of the Tingo Pucara Water Committee. A key is required to Open the “tablero” Control Unit 2.)Before opening the “tablero” turn Power OFF at the Pump House Service Panel. By Switching the two 50A breakers into the OFF Position.

Special Key Required“Tablero”

Pump House Service Panel

Move Breaker to OFF

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Servicing The “Tablero”3.) When the “Tablero” is OPEN: Upon opening the “tablero” the user may examine the subcomponents and wiring of the “tablero” for loose electrical connections or visible damage. The Pump Technician should take written notice of the damage and contact the equipment vendor. DO NOT ATTEMPT TO REMOVE PARTS FROM THE “TABLERO” UNLESS INSTRUCTED TO DO SO BY THE VENDOR.

Examine Relay Contacts for Damage.Relay Contacts are mechanical and haveA given life expectancy.

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PIPELINE

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Start Up:• Open the Shut off valve.

Turn the lever slowly to avoid damage.

OPENCLOSED

SLOWLY

PIPELINE

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PIPELINE

Maintenance:• Every six months, turn

ball valves slowly on and off, 3 or 4 times to make sure they are not stuck.

• If any valves are leaking, fix them right away.

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SLOWLY

PIPELINE

Maintenance (Continued):• After every storm, walk

along the pipeline and look for any signs of dirt washing away

• Fill in any bad areas right away

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Maintenance (Continued):• Look for any sign of

water leaking along pipeline

• Look for holes, muddy or wet spots, and areas where dirt is washing away

• Fix leaks right away

PIPELINE

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STORAGE TANK

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Shut Down Procedure:1. Open the clean-out valve2. Close the distribution valve

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STORAGE TANK

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Shut Down Procedure (Continued)3. Remove all solids, and keep

solids away from drain.

STORAGE TANK

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Shut Down Procedure (Continued)4. Thoroughly wash with disinfectant like bleach5. Rinse the tank with clean water

STORAGE TANK

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Normal Operation:• Check that water is not coming out of overflow pipe. If water is coming from the overflow pipe, turn off the pump and check the float switch.

STORAGE TANK

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Start Up Procedure:1. Close the Clean-Out Valve2. Open the distribution Valve

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STORAGE TANK

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Start Up Procedure (Continued):3. Check to make sure

the float switch is working correctly.

STORAGE TANK

Switch up:Pump should be off

Switch down:Pump should be on

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DISTRIBUTION SYSTEM

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DISTRIBUTION SYSTEM

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Maintenance:1. Walk the system and check for

wet areas that could be leaks

DISTRIBUTION SYSTEM

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Maintenance (Continued):2. Check for leaks at valve and PRV

boxes visually and by feel.

DISTRIBUTION SYSTEM

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Maintenance (Continued):3. Repair leaks and replace any

defective valves or fittings.

DISTRIBUTION SYSTEM

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Maintenance (Continued):4. Check that Flow Meters are working

properly by opening the valve on the tap stand and watch that the meter is operating.

DISTRIBUTION SYSTEM

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Maintenance (Continued):5. Attach pressure valve to each tap

stand. Open valve and record the pressure.

DISTRIBUTION SYSTEM

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Maintenance (Continued):6. Check for leaks at each tap stand, and

repair or replace valves as needed.

DISTRIBUTION SYSTEM

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Maintenance (Continued):7. Every six months, turn

ball valves slowly on and off, 3 or 4 times to make sure they are not stuck. If any valves are leaking, fix them right away.

SLOWLY

Maintenance (Continued):8. Add permanent

location stakes when new pipelines are installed.

DISTRIBUTION SYSTEM

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This manual was written by the members of the EWB-USA Pittsburgh Professional Chapter, for our friends in the

community of Tingo Pucará.