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CITY COUNCIL AGENDA ITEM NO. 13

Meeting Date: May 9, 2000

Subject/Title: Public Hearing to Amend Ordinance 613 allowing for Restaurant Sewer Rate Reductions

Submitted by: City Manager: J. Elam

Engineering: J. Stevenson/B. Bornstein

Approved by: Jon Elam, City Manager

RECOMMENDATION

Amend Ordinance 613 to allow for a 20% reduction in sewer rates for restaurants that have grease traps, and those that are properly maintained according to City required cleaning intervals.

PREVIOUS ACTION

On May 11, 1999, the City Council approved the second reading and adoption of Ordinance No. 613, which accepted the April 27, 1999 Berryman & Henigar Sewer Rate Study, adopted the rates as set forth in the Study, and implemented the monthly user charges for sanitary sewer service for Fiscal Years 1999/00 to 2004/05.

BACKGROUND

Restaurants produce a stronger sewage than other types of businesses due to the amounts of solids and grease they produce. Our current method for applying sewer rates does not take into account any pretreatment devices a restaurant or other business may already have, or provide incentives for existing restaurants to install pretreatment devices. By amending ordinance 613, users will benefit by having a grease trap, provided that the restaurant provides the city with verification that the grease trap has been maintained to the following city minimum required cleaning intervals: for small sink/floor traps (indoors) monthly maintenance is required, the large (usually outdoor) industrial traps must be maintained quarterly. The city hired Circo Analytical to conduct sampling of selected restaurants to determine the sewer strength of the wastewater. The results and all other background information is included in the Sewer/Water Subcommittee report dated April 5, 2000, and attached to this staff report. The testing of the sewer strength for the restaurants tested with grease traps proved that the strength of discharge was approximately 20% less than values used in the Sewer Rates. The reduced Biochemical Oxygen Demand (BOD) and Total Dissolved Solids (TSS) loadings directly impact the size of the facilities, energy use, and chemical demand at the treatment plant. The lower the levels of BOD and TSS entering the City collection system, the less operating expenditures the City pays for this treatment. The cost savings will be passed on to the user by amending Ordinance 613. Staff recommends a 20% reduction for all restaurants with properly maintained grease traps.

ORDINANCE NO.

AN ORDINANCE OF THE CITY COUNCIL OF THE CITY OF BRENTWOOD AMENDING ORDINANCE NO. 613 TO ALLOW FOR A 20% REDUCTION IN SEWER RATES FOR RESTAURANTS THAT HAVE GREASE TRAPS, AND THOSE THAT ARE PROPERLY MAINTAINED ACCORDING TO CITY REQUIRED CLEANING INTERVALS

WHEREAS, On May 11, 1999, the City Council approved the second reading and adoption of Ordinance No. 613, which accepted the April 27, 1999 Berryman & Henigar Sewer Rate Study, adopted the rates as set forth in the Study, and implemented the monthly user charges for sanitary sewer service for Fiscal Years 1999/00 to 2004/05; and

WHEREAS, the user may believe the user classification sewer rate charges adopted per Ordinance 613 do not accurately reflect any pretreatment devices a restaurant or other business may already have, or provide incentives for installing pretreatment devices; and

WHEREAS, loadings or strength of the wastewater discharged into the collection system is measured based upon Biological Oxygen Demand (BOD) and Total Suspended Solids (TSS), both of which directly impact the size of the facilities, energy use, and chemical demand at the treatment plant; and

WHEREAS, the city hired Circo Analytical to conduct testing of randomly selected restaurants sewer strength. The testing of restaurants with grease traps proved that the strength of discharge was 20% less than the values used in the Sewer Rate Charges; and

WHEREAS, once the restaurants provide the city with verification that the grease trap has been maintained to the following city minimum required cleaning intervals: for small sink/floor traps (indoors) monthly maintenance is required, the large (usually outdoor) industrial traps must be maintained quarterly, the restaurant will receive a 20% reduction on their monthly sewer bill; and

NOW, THEREFORE BE IT RESOLVED, the City Council of the City of Brentwood does hereby amend Ordinance No. 613 to allow for a 20% reduction in sewer rates for restaurants that have grease traps, and those that are properly maintained according to City required cleaning intervals.

PASSED, APPROVED AND ADOPTED By the City Council of the City of Brentwood at the regular meeting on the 9th day of May 2000 by the following vote:

AYES:

NOES:

ABSENT:

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