HomeMy WebLinkAbout148 - 11/04/2014 - AMENDING SECTION 26-284 OF THE CITY CODE TO CLARIFY THE CALCULATION OF INFILTRATION AND INFLOW IN DE ORDINANCE NO. 148, 2014
OF THE COUNCIL OF THE CITY OF FORT COLLINS
AMENDING SECTION 26-284 OF THE CODE OF THE CITY OF FORT COLLINS
TO CLARIFY THE CALCULATION OF INFILTRATION AND INFLOW
IN DETERMINING SEWER PLANT INVESTMENT FEES
WHEREAS, the City Council is empowered and directed by Article XII, Section 6, of the
City Charter to fix, establish, maintain, and provide for the collection of such rates, fees, or
charges for utility services furnished by the City as will produce revenues sufficient to pay the
costs, expenses, and other obligations of the water utility, as set forth therein; and
WHEREAS, City Code Sections 26-284 concerns sewer plant investment fees, which are
to be based on and used for growth-related capital expansion costs of wastewater collection,
transmission and treatment facilities; and
WHEREAS, it would be beneficial to clarify the manner in which the infiltration and
inflow factor is calculated for the purpose of sewer plant investment fees in the City Code; and
WHEREAS, the City Manager and City staff have recommended to the City Council that
the following changes to Section 26-284 be adopted.
NOW, THEREFORE, BE IT ORDAINED BY THE COUNCIL OF THE CITY OF
FORT COLLINS as follows:
Section 1. That Section 26-284 of the Code of the City of Fort Collins is hereby
amended to read as follows:
Sec. 26-284. Sewer plant investment fees and surcharges established.
(d) The amount of the plant investment fee and surcharge for each nonresidential
surcharged user, users in Category H and any user that is expected to generate greater
than its proportionate share of peak day flow at the treatment plant for the applicable
category (including both contributed wastewater volume and volume related to
infiltration and inflow), shall be calculated utilizing the following formula:
SPIT = Site Flow x [Flows + (BOD x BOD$) + (TSS x TSS$)] + I&I Flow x [Flows + (200
mg/I x BOD$)+ (250 mg/I x TSS$)]
Where:
SPIF = Plant investment fee for Category H users and users discharging wastewater
with average concentrations of BOD and/or TSS which exceed those
average concentrations which are set forth in § 26-282(b) under Category E-
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Site = The user's proportionate share of peak day flow at the treatment plant based
Flow on site flow discharge from user's site
I&I = That proportionate share of peak day flow due to infiltration and inflow as
Flow allocated to user's site flow discharge. I&I Flow is calculated to be 46.5% of
Site Flow.
Flow$ _ $6.26 per gallon (unit cost of facilities attributable to treating wastewater
flow)
BOD = Average BOD concentration for user category or measured BOD
concentration for the user as determined in accordance with Subsection (c)
of this Section, but not less than 200 mg/1
BOD$ _ $0.0152 per mg/I (unit cost of facilities attributable to treating BOD)
TSS = Average TSS concentration for user category or measured TSS
concentration for the user as determined in accordance with Subsection (c)
of this Section, but not less than 250 mg/I
TSS$ _ $0.0122 per mg/I (unit cost of facilities attributable to treating TSS)
Section 2. That the amendments to Section 26-284 of the Code of the City of Fort
Collins contained herein shall go into effect on January 1, 2015.
Introduced, considered favorably on first reading, and ordered published this 21st day of
October, A.D. 2014, and to be presented for final passage on the 4th day of November, A.D.
2014. J/
Iola or
ATTEST:
City Clerk
2
Passed and adopted on final reading on the 4th day of November, A.D. 2014.
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