CCP 11-28-1994 - Laserfiche WebLink

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------- BA~TON-ASCHMAN ASSOCIATES, INC. September 27, 1994 Page 2 . Bethel College will consider the 59.5 acres as the surface area of Valentine Lake for plll"poses of exemption from SWM Utility charges. Street Right-of. W oy - Attaclunent 3 lists the area of street right-of-way within the Bethel College campus as 6.9 acres, The total amount of area exempt from SWM Utility charges as specified in City of Arden Hills Resolution 93-15 is, therefore, 66.4 acres. Land US" Desismation and Cha...... Rat"s City of Arden Hills Resolution Number 93-14 (Attachment 6) established the SWM Utility rates charged for various land uses. At the request of Bethel College, the City of Arden Hills provided the data upon which Bethel College's SWM Utility charges were based, This infonnation was contained in a March 14, 1994 letter (Attachment 7). The listed classification for the main Bethel College campus is "institutional"' for which Arden Hills Resolution 93-14 (Attachment 6) lists no specific SWM Utility charge rate. However, Bethel College is being charged the rate for Limited and General Industrial and Business land uses ($50.75 per acre). As noted in Attachment 1, the area of the Bethel College campus is 160.14 acres (with the surface area of Valentine Lake subtracted out). Approximately 23.55 acres of the campus . (15 percent) is covered by impervious areas such as buildings, roadways, parking lots, and walkways (see Attachment 3). The remainder of the campus (85 percent) is pervious area (grass, trees, etc.). Arden Hills Resolution 93-15 (Attachment 4) lists the Soil Conservation Service (SCSl curve number runoff index (CN) for various zoning classifications. These curve numbers are based on the percentage of impervious area generally associated with the various zoning classifications. Attachment 8 is the SCS table cont:>;n;ng the runoff curve numbers for urban areas. The table also lists the average percent of impervious area associated with the various zoning classifications, Bethel College is being charged the same rate as industrial and business land uses with 72 percent to 85 percent impervious surface area. With an actual 15 percent impervious area, Bethel-College should be charged a rate commensurate with residential districts with a two-acre average lot size. Since Arden Hills Resolution 93-14 (Attachment 6) does not specify a charge rate for residential districts with a two-acre average lot size, Bethel College will accept the charge rate for the Single-Family Residential zoning classification with 1/3 acre lots which is $11,94 per acre, ~Un1n'tRrv Attachment 1 lists the assessable areas, charge rates, and the resulting quarterly and yearly SWM Utility charges acceptable to Bethel College. These acceptable charges do not take . into account the fact that a significant percentage of the precipitation that falls on the Bethel College campus is retained in the numerous wetlands within the campus and in Valentine Lake,