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7.A. - Page 91
<br /> Table S9: Cost Recovery Allocation
<br /> Annual Expenses Allocation% Allocation$
<br /> 2016/17 2017/18 2018/19 3-Year Avg Flow BOD SS Flow BOD SS
<br /> Operating&Maintenance
<br /> City Operating Expenses 8,136,000 8,387,000 8,648,000 8,920,000 80.0% 10.0% 10.0% 7,136,000 892,000 892,000
<br /> SVCW Operating Expenses 9,819,000 10,179,000 10,552,000 9,947,000 26.5% 33.5% 40.0% 2,635,955 3,332,245 3,978,800
<br /> Subtotal 17,955,000 18,566,000 19,200,000 18,867,000 51.8% 22.4% 25.8% 9,771,955 4,224,245 4,870,800
<br /> Debt Service
<br /> SVCW Debt Service 6,940,000 7,211,000 11,326,000 8,492,333 60.0% 20.0% 20.0% 5,095,400 1,698,467 1,698,467
<br /> Subtotal 6,940,000 7,211,000 11,326,000 8,492,333 60.0% 20.0% 20.0% 5,095,400 1,698,467 1,698,467
<br /> Capital&Other Non-Operating
<br /> City Capital Projects 7,000,000 7,000,000 7,000,000 7,000,000 80.0% 10.0% 10.0% 5,600,000 700,000 700,000
<br /> SVCW Reserve Contributions 2,653,000 3,021,000 2,770,000 2,814,667 60.0% 20.0% 20.0% 1,688,800 562,933 562,933
<br /> Subtotal 9,653,000 10,021,000 9,770,000 9,814,667 74.3% 12.9% 12.9% 7,288,800 1,262,933 1,262,933
<br /> Total 34,548,000 35,798,000 40,296,000 37,174,000 59.60% 19.33% 21.07% 22,156,155 7,185,645 7,832,200
<br /> Note:Excludes cost recovery for carryover CIP projects budgeted in prior years and Redwood City's one-time cash
<br /> payment to SVCW in 2015/16 to help fund the City's share of SVCW capital improvement program costs.
<br /> Projected Sewer Loadings
<br /> The following tables estimates the flows and loadings of each customer class based on analysis of
<br /> recent winter and annual water consumption data and wastewater strength assignments for each
<br /> customer class.
<br /> • Residential flows per unit are based on analysis of historical winter water use data.
<br /> Residential wastewater strength concentrations are based on estimates previously published
<br /> by the State Water Resources Control Board (SWRCB) and are similar to wastewater strength
<br /> estimates used by a number of other regional agencies. Residential wastewater strength
<br /> concentrations have increased in recent years due to transition to low-flow toilets and
<br /> water-efficient appliances, and conservation. Hence the wastewater strength
<br /> concentrations used for residential sewage is estimated at the high end of the SWRCB's
<br /> typical residential range.
<br /> • Non-Residential Commercial and Institutional wastewater discharge is based on analysis of
<br /> winter vs. annual metered water use. Based on the analysis, roughly 80% of non-residential
<br /> flow is estimated to return to the sewer system. Wastewater strength assignments for non-
<br /> residential customer classes are based on strength estimates previously published by the in
<br /> the Revenue Program Guidelines of the SWRCB's Policy for Implementing the State Revolving
<br /> Fund for Construction of Wastewater Treatment Facilities.
<br /> B Sewer Utility Finances& Rates 64
<br /> W Water&Sewer Financial Plans&Rate Studies
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