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REQUEST FOR CITY COUNCIL AGENDA ITEMREQUEST FOR CITY COUNCIL AGENDA ITEM
<br />June 13, 2016June 13, 2016AppropriationAppropriation
<br />Agenda Date Requested:Agenda Date Requested:
<br />CIP Utility FundCIP Utility Fund
<br />Sharon ValianteSharon ValianteSource of Funds:Source of Funds:
<br />Requested By:Requested By:
<br />003.7087.532.1100003.7087.532.1100
<br />Public WorksPublic WorksAccount Number:Account Number:
<br />Department:Department:
<br />$300,000.00$300,000.00
<br />Amount Budgeted:Amount Budgeted:
<br />Report:Resolution:Resolution:Ordinance:Ordinance:
<br />Amount Amount
<br />Other:
<br />$129,433.00$129,433.00
<br />Requested:Requested:
<br />AttachmentsAttachments : :
<br />Budgeted Item:Budgeted Item:YESYESNONO
<br />1. Sole Source Letter Sole Source Letter
<br />2. Quote Quote
<br />SUMMARY & RECOMMENDATIONSSUMMARY & RECOMMENDATIONS
<br />The headworks of a waste water treatment plant is typically the first treatment in the treatment plant The headworks of a waste water treatment plant is typically the first treatment
<br /> in the treatment plant
<br />process. The headworks removes larger objects such as small flushed toys, plastic, rags and other process. The headworks removes larger objects such as small flushed toys, plastic, rags
<br /> and other
<br />objects that have entered the waste water collection system with some type of screening device. In objects that have entered the waste water collection system with some type of screening
<br /> device. In
<br />smaller plants less than .5 million gallons per day (MGD) there is typically a bar screen with 1/2 to 3/4 smaller plants less than .5 million gallons per day (MGD) there is typically
<br /> a bar screen with 1/2 to 3/4
<br />inch openings that an Operator manually removes debris with a rake and shovel as needed. In larger inch openings that an Operator manually removes debris with a rake and shovel as needed.
<br /> In larger
<br />plants there are automatic screens that mechanically remove the debris and dump into a waste plants there are automatic screens that mechanically remove the debris and dump into a waste
<br />
<br />container to haul to the landfill. Typically all waste treatment plants have redundant equipment so that if/ container to haul to the landfill. Typically all waste treatment plants have
<br /> redundant equipment so that if/
<br />when a piece of equipment fails there is another backup piece available to put in place. when a piece of equipment fails there is another backup piece available to put in place.
<br />The La Porte Wastewater Treatment Plant (WWTP) is rated at 7.56 MGD and has one manual bar The La Porte Wastewater Treatment Plant (WWTP) is rated at 7.56 MGD and has one manual bar
<br />
<br />screen and one automatic bar screen. In the summer of 2012 the automatic bar screen at the La Porte screen and one automatic bar screen. In the summer of 2012 the automatic bar screen
<br /> at the La Porte screen and one automatic bar screen. In the summer of 2012 the automatic bar screen at the La Porte screen and one automatic bar screen. In the summer of 2012 the automatic
<br /> bar screen at the La Porte
<br />WWTP, which had been in service 10 years, went out of service when the drive sprockets, chain and WWTP, which had been in service 10 years, went out of service when the drive sprockets,
<br /> chain and
<br />bearings failed from wear. The bar screen was out of service for 26 days while being refurbished. This bearings failed from wear. The bar screen was out of service for 26 days while
<br /> being refurbished. This
<br />required the manual bar screen to be cleaned numerous times during the day, evening, and in the required the manual bar screen to be cleaned numerous times during the day, evening, and
<br /> in the
<br />middle of the night incurring overtime. The openings on the manual bar screen are ¾ inch compared to middle of the night incurring overtime. The openings on the manual bar screen are
<br /> ¾ inch compared to
<br />¼ inch on the automatic bar screen allowing larger items to pass through and into the treatment plant. ¼ inch on the automatic bar screen allowing larger items to pass through and into
<br /> the treatment plant.
<br />Smaller openings are not possible on the manual screen due to channel size and hydraulic flow Smaller openings are not possible on the manual screen due to channel size and hydraulic
<br /> flow
<br />reduction. To clean the bar screen, an operator has to go up on top of the headworks to access the bar reduction. To clean the bar screen, an operator has to go up on top of the headworks
<br /> to access the bar
<br />screen. This presents a safety hazard, because the location is one of the highest points in the WWTP, screen. This presents a safety hazard, because the location is one of the highest
<br /> points in the WWTP,
<br />especially when there is inclement weather. Fortunately the unit was not out for a longer period of time especially when there is inclement weather. Fortunately the unit was not out
<br /> for a longer period of time
<br />or during a tropical storm. Had there been a second bar screen stored at the WWTP, the second unit or during a tropical storm. Had there been a second bar screen stored at the WWTP,
<br /> the second unit
<br />could have been installed the same day and been left in service while the original unit was being could have been installed the same day and been left in service while the original unit
<br /> was being
<br />refurbished.
<br />Request for quotes were sent out to vendors for an exact replacement make and model of the existing Request for quotes were sent out to vendors for an exact replacement make and model
<br /> of the existing
<br />automatic screen in order to have interchangeable parts, matching spare parts, match up to existing automatic screen in order to have interchangeable parts, matching spare parts, match
<br /> up to existing
<br />control panel, and wash press. The manufacture, Vulcan Industries replied that HRM Environmental control panel, and wash press. The manufacture, Vulcan Industries replied that HRM Environmental
<br />
<br />LLC is the sole vendor/distributer representing Vulcan Industries in the State of Texas. LLC is the sole vendor/distributer representing Vulcan Industries in the State of Texas.
<br />A formal quote was received from HRM Environmental LLC for an exact replacement automatic bar A formal quote was received from HRM Environmental LLC for an exact replacement automatic
<br /> bar
<br />screen, control panel, wash press, and spare parts for $165,173.00. Staff contacted other automatic bar screen, control panel, wash press, and spare parts for $165,173.00. Staff contacted
<br /> other automatic bar
<br />screen manufacture representatives and were given informal written quotes of $90,000 for an automatic screen manufacture representatives and were given informal written quotes of $90,000
<br /> for an automatic
<br />bar screen only that will fit into the existing flow channel. The quote of $86,618 for the automatic bar bar screen only that will fit into the existing flow channel. The quote of $86,618
<br /> for the automatic bar
<br />
<br />
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