DCVA Field Test

Preparation
  1. NOTIFY CUSTOMER
  2. INSPECT AREA
  3. FLUSH TESTCOCKS
  4. INSTALL FITTINGS
  5. INSPECT TEST KIT - CLOSE ALL NEEDLE VALVES
   

Test #1 -Test check valve #1 for a minimum of 1.0 psi in the direction of flow.
  1. INSTALL COMPENSATING TEE (BLEED VALVE) ON TESTCOCK 2
  2. INSTALL SHORT TUBE ON TESTCOCK 3
  3. INSTALL TEST GAUGE AND END OF LOW HOSE AT SAME HEIGHT WATER DISCHARGES FROM SHORT TUBE
  4. ATTACH HIGH HOSE TO TESTCOCK 2
  5. OPEN TESTCOCK 3 TO FILL TUBE
  6. CLOSE TESTCOCK 3
  7. OPEN TESTCOCK 2 SLOWLY
  8. OPEN HIGH BLEED - BLEED AIR FROM GAUGE
  9. CLOSE HIGH BLEED
  10. CLOSE OUTLET SHUTOFF VALVE
  11. CLOSE INLET SHUTOFF VALVE
  12. OPEN TESTCOCK 3 (TESTCOCK 2 MUST BE OPEN) Note: GAUGE MUST READ 1.0 psi OR GREATER TO PASS
  13. RECORD VALUE OF CV 1
  fig6_12.gif

Test #2 - Test check valve #2 for a minimum of 1.0 psi in the direction of flow .
  1. CLOSE TESTCOCK 2 AND TESTCOCK 3
  2. MOVE SHORT TUBE FROM TESTCOCK 3 TO TESTCOCK 4
  3. REMOVE HIGH HOSE FROM TESTCOCK 2
  4. OPEN INLET SHUTOFF VALVE
  5. ATTACH HIGH HOSE TO TESTCOCK 3
  6. OPEN TESTCOCK 4 TO FILL TUBE
  7. CLOSE TESTCOCK 4
  8. OPEN TESTCOCK 3 SLOWLY
  9. OPEN HIGH BLEED - BLEED AIR FROM GAUGE
  10. CLOSE HIGH BLEED
  11. CLOSE INLET SHUTOFF VALVE
  12. OPEN TESTCOCK 4 (TESTCOCK 3 MUST BE OPEN) Note: GAUGE MUST READ 1.0 psi OR GREATER TO PASS
  13. RECORD VALUE OF CV 2
  fig6_13.gif

Outlet Shut-off Valve leaks - Customer is using water.
  1. If the customer is using water and the outlet shut-off valve is leaking, lower the gauge and end of the low pressure hose to center of the assembly.
  2. RECORD VALUE OF CV 2
  fig6_14.gif

Final Steps
  1. CLOSE TESTCOCKS - REMOVE ALL EQUIPMENT
  2. OPEN ALL NEEDLE VALVES ON TEST KIT
  3. OPEN INLET SHUTOFF VALVE
  4. OPEN OUTLET SHUTOFF VALVE SLOWLY
   

Sep 8, 2004   University of Florida, TREEO Center