Safety

We believe that no man or woman should be injured or lose their life trying to earn a living!

 

Best Management and Engineering Practices along with good equipment provide for a safe work environment.

 

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Above: Utility Personnel Performing Maintenance Tasks Utilizing Confined Space and Lockout-Tagout Procedures

 

Below: Maintenance Personnel along with PCS Phosphate employees training together on Confined Space Entry and High Angle Rescue!

 

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Collection System Pump Stations

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The City owns and operates 51 wastewater pumping stations ranging in capacity from 32 to 1000 gallons per minute. In addition to the wastewater pump stations owned and operated by the City, there is one special storm water pumping station maintained by the City. It is used to divert Storm Water flows into Lake Harris from the Lake City Country Club area.The Division has an active program to insure proper operation and maintenance of pump stations. This includes regularly scheduled maintenance, maintaining complete accurate repair records and properly training staff. In addition, over the last seven years, the City has invested nearly $450,000 from operating funds towards pump station repairs and improvements.Since 1992, the City has experienced a relatively consistent pattern of declining flows reflecting, primarily, the Divisions success in reducing non-billable extraneous flows such as infiltration and inflow ("I/I"). Average daily flows have fallen from 2.8 mgd to 2.4 mgd. Maximum daily flows, averaged monthly, have fallen from 3.0 mgd to 2.5 mgd.Flows to the plant reflect three distinct sources of wastewater:

  • Domestic flow discharged to the sewer system by residents and businesses located in the sewer collection district.
  • Groundwater entering the system indirectly as I/I.
  • Non-domestic contributions from industrial customers.

Gravity Sewer Maintenance

In 1998, our Public Works Department received delivery of a TV Inspection System. This system is used to identify problem areas in the collection system and initiate spot repairs without the expensive guesswork associated to digging blind.

 

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A video camera is inserted into a piping system through manholes then, entire sections of sewer can be video taped for review to identify problems at exact locations for dig-up and repair. This allows maintenance crews to repair leaking pipe joints that eliminate costly inflow and infiltration (I & I) into the collection system.

In response to the improved capabilities to identify Collection system problems the Public Works Department established a sewer maintenance crew to initiate spot repairs to the sewer system.

The cornerstone of the Divisions preventive maintenance program for the collection system is the jetting activity. The Division has one high-pressure jetter called a Vac-con that utilizes water pressure to score pipes of grit and grease. The debris is jetted to a down stream manhole where it is vacuumed into the vehicles containment body for disposal. This system approach eliminates the migration of debris in the collections system by removing it during the pressure washing activity.

 

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