Lift Station Safety and Maintenance

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Lift Station Safety and Maintenance

• Tony Conn, Supervisor
• Wastewater Collection and Pumping
• connt_at_naperville.il.us

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Safety

• Lock out Tag out
• Confined Space
• Working on Energized Electrical Equipment
• Arc Flash
• Fall Protection
• Crane Safety and Inspections
• Tail Gate Talks

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Safety

• Lock-out/Tagout

• Confined Space

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Safety

• Energized Equipment

• Arc Flash

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Electric Permit
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Safety

• Fall Protection

• Fall Protection

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Safety

• Fall Protection

• Fall Protection

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Crane Safety/Inspection

• Over Head Crane

• Truck Crane

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Crane Inspection Form
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Maintenance

• 4 - Wastewater Pumping Stations
• 7 - Back Flow Prevention Stations
• 19 - Lift Stations
• 2 - Person Maintenance Crew
• 1- Field Supervisor
• 10,000 lb Crane Truck
• ¾ ton Utility truck with external fuel tank and
  snow plow
• 2 -other crew members trained in safety and basic
  maintenance

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Maintenance

• Monthly visual inspection
• Semi- annual maintenance
• General maintenance

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Maintenance Training

• Maintenance crew certification on fluke test
  equipment
• Hands on training at Joliet Junior College
• Electrical
• Motor and pumps
• VFDS
• Motor controls
• PLCS

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Maintenance

• Pumps
• Mixer
• Check valves
• Wet wells
• Air valves
• Control panels
• Building and grounds
• Blower/venting systems
• Odor control
• Minimal generator maintenance
• Dont work on SCADA

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Pump Maintenance
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Mixers and Flush Valves
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Air Valves
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Check Valve Replacement
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Truck Mounted Computers
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EMERGENCY PROCEDURES

• Emergency Procedures for Power Outage and Bypass
  Pumping
• Monarch Landings Sanitary Lift Station
•  
• Location Corporate Drive
• Sub Monarch Landing Senior Village
•  
• Power Outage to lift station
• Once outage is detected, standby generator will
  provide 25 KVA of power, supplied by Olympian
  generator located on site.  Generator if fueled
  by natural gas.
• Power outage can be monitored remotely by city
  Wastewater S.C.A.D.A. system located on Citys
  Citrix website.
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• Bypass Pumping
• If emergency generator is unable to provide power
  to the station.  Then bypass pumping becomes 2nd
  options. 
•  
• Then following procedure is to take place
• Make sure all employees have their PPE on them
  (Hard hat, safety glasses, safety boots, safety
  vest, gloves, and confine space gear, to perform
  the following task.
•  
• Quickly inspect 4 pump for the following items.
  4 gaskets on connecting side of the suction and
  discharge side of hoses.  4 pump has be topped
  off with fuel. No sign of any leaks regarding
  fuel, oil, or antifreeze.
• Make sure pump is primed before starting the pump
  at the station.
• Open both lift station gates, and back the pump
  inside the fence area.

• Manual run both pumps to insure everything is
  fine and running normal with the station prior to
  removing bypass setup.
• Place floats and level transducer back into wet
  well
• Test run station under load and make sure station
  is pumping and pumps are alternating.
• Remove all bypass equipment.
• Contact Field Supervisor and Springbrook once
  everything is running normal.
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• Using Vactor to remove sanitary wastewater from
  wet well
• When both above procedures are not an option then
  use Vactors 779 777
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• Make sure all employees have their PPE on them
  (Hard hat, safety glasses, safety boots, safety
  vest, and gloves to perform the following task.
• Open lift station gates as wide as possible.
• Open doors and secure them in the locked
  position.
•  Pull all floats, level transducer out of the wet
  well.  Make sure floats are not tilted they will
  active alarms at the station and Springbrook.
• Pull Vactor into station with front of truck
  entering driveway first.
• Position Vactor suction hose over wet well doors.
• Connect about 3 to 4 8 tubes together. (USE
  CLAMPS TO CONNECT TUBES TOGETHER, PLUS USE DUCT
  TAPE TO SECURE CLAMPS FROM COMING APART)
• As water level drops youll need to add more
  tubes. Please follow same instruction as G (see
  above) when installing addition tubes.
• Engage Vactor to start vac.ing water from wetwell
  (Stay above water approximately 3 inches to
  prevent suction from clogging with water.  This
  will stop removing water from wetwell.)
• Once Vactor tank is full youll need to dump
  water into sanitary manhole which will not drain
  back into wet well. (Basin N01-056 manhole is
  painted red) Just outside of the northeast fence
  line.

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EMERGENCY PROCEDURES
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Monthly visual inspection

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Semi- annual maintenance
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Going For a Swim
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Questions