1. Tingo Pucará Water Supply System OPERATION AND MAINTENANCE MANUAL 1

2. I.Overview II. Safety III.Intake IV.Sedimentation/Pump Tank V.Pump VI.Pipeline VII.Storage Tank VIII.Distribution System IX.Maintenance CONTENTS 2

3. OVERVIEW 3

4. PLAN VIEW 4 Intake Sediment/ Pump Tank Pump Pipeline Storage Tank Distribution System

5. CONTACT 5 Sistemas Electricos Industriales Ave. 10 de Agosto N 64-349 y Bellavista (Sector Parque de los Recuerdos) Telefax: 2482-829 / 084-068-432 Quito – Ecuador Grimasa Av. 10 de Agosto (50-63) N36-177 y NN UU Telefono: 2 245-041 Fax: 2 273-020 Quito e-mail: grimasa2@hotmail.com Ferreteria San Agustin Calle Quito y Hnos. Pdez (esq.) Telfs.: 099 830 434 / 2812-797 Fax: (03) 2802-156 Latacunga - Ecuador Dismaconcobre CIA. LTDA. Valladolid N24-611 y av. La Coruna Telefax: 2228-315 / 2235-207 / 2905-374 e-mail: dismacon@andinanet.net Quito – Ecuador Acero Comercial Ecuatoriano S.A. Av. La Prensa N45-14 y Telégrafo 1 Telf.: 2454 333 / Fax: 2454 455 E-mail: infouio@acerocomercial.com Interconstruc hernan301064@hotmail.com

6. SAFETY 6

7. Fill in holes and trenches at the end of every day SAFETY 7

8. All valves should be opened and closed slowly to avoid damage SLOWLY SAFETY 8

9. 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 9 Lock

10. PUMP 10

11. 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 11

12. 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 knob From 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 12

13. Trouble Shooting in Auto Mode 1.) 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 Switch Condition: PUMP ON SWITCH Normally CLOSED PUMP OFF (Tank Full) SWITCH Normally OPEN Cistern Float Switch Condition: Switch Normally CLOSED PUMP ON SWITCH OPEN PUMP OFF (Cistern Empty) 13

14. 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 14

15. 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 have A given life expectancy. 15

16. PIPELINE 16

17. Start Up: Open the Shut off valve. Turn the lever slowly to avoid damage. OPEN CLOSED SLOWLY PIPELINE 17

18. 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. 18 SLOWLY

19. 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 19

20. 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 20

21. STORAGE TANK 21

22. Shut Down Procedure: 1.Open the clean-out valve 2.Close the distribution valve 1 2 STORAGE TANK 22

23. Shut Down Procedure (Continued) 3.Remove all solids, and keep solids away from drain. STORAGE TANK 23

24. Shut Down Procedure (Continued) 4.Thoroughly wash with disinfectant like bleach 5.Rinse the tank with clean water STORAGE TANK 24

25. 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 25

26. Start Up Procedure: 1.Close the Clean-Out Valve 2.Open the distribution Valve 1 2 STORAGE TANK 26

27. 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 27

28. DISTRIBUTION SYSTEM 28

29. DISTRIBUTION SYSTEM 29 Maintenance: 1.Walk the system and check for wet areas that could be leaks

30. DISTRIBUTION SYSTEM 30 Maintenance (Continued): 2.Check for leaks at valve and PRV boxes visually and by feel.

31. DISTRIBUTION SYSTEM 31 Maintenance (Continued): 3.Repair leaks and replace any defective valves or fittings.

32. DISTRIBUTION SYSTEM 32 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.

33. DISTRIBUTION SYSTEM 33 Maintenance (Continued): 5.Attach pressure valve to each tap stand. Open valve and record the pressure.

34. DISTRIBUTION SYSTEM 34 Maintenance (Continued): 6.Check for leaks at each tap stand, and repair or replace valves as needed.

35. DISTRIBUTION SYSTEM 35 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

36. Maintenance (Continued): 8.Add permanent location stakes when new pipelines are installed. DISTRIBUTION SYSTEM 36

37. This manual was written by the members of the EWB-USA Pittsburgh Professional Chapter, for our friends in the community of Tingo Pucará.