CCP 03062023 - Laserfiche WebLink

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RCA Attachment B 171 Wetland Buffer Widths Average Buffer Width25 feet Minimum Buffer Width12.5 feet 172 173(2)New and existing ponds constructed for water quantity and quality adjacent to new 174 development shall maintain a 10-foot vegetative buffer from the normal water level. 175(3)Stormwater management BMPs shall not be allowed to be constructed in the buffer area, 176 unless approved by the City Engineer.\[RJ11\]\[JF12\] 177(4)A permanent wetland buffer monument shall be installed at each lot line where it crosses 178 a wetland buffer, and where needed to indicate the contour of the buffer, with a 179 maximum spacing of two hundred (200) feet of wetland edge. 180(5)Where acceptable vegetation exists in buffer areas, the retention of such vegetation in an 181 undisturbed state is required unless an applicant receives approval by the City District to 182 replace such vegetation. A buffer strip has acceptable vegetation if it: 183 a.Has a continuous, dense layer of vegetation or overstory of trees and/or shrubs 184 that have been uncultivated or unbroken for at least five consecutive years, or 185 b.Is not composed of undesirable plant species (including, but not limited to: reed 186 canary grass, common buckthorn, purpleloosestrife, leafy spurge, and noxious 187 weeds), or 188 c.Does not have topography that tends to channelize the flow of surface runoff. 189(6)If the City determines the existing buffer to be unacceptable, the applicant shall maintain 190 the minimum buffer in its undisturbed state but may disturb the remainder of the buffer 191 area as long as the buffer area is re-planted with native species and maintained as a native 192 habitat. The buffer planting must be identified on the permit application and the buffer 193 landscaping shall comply with the following standards: 194 195 a.Buffer areas shall be planted with a native seed mix,native plants, shrubs, trees, 196 or other\[RJ13\]vegetationapproved by the City., with the exception of a one-time 197 planting with an annual nurse or cover crop such as oats or rye. 198 b.The revegetation project shall be performed by a qualified contractor. All methods 199 shall be approved by the City prior to planting or seeding. 200 c.The seed mix shall be broadcast according to the specifications of the selected 201 mix including date of application. The annual nurse or cover crop shall be applied 202 at a minimum rate of 30 pounds per acre. The seed mix selected for permanent 203 cover shall be appropriate for soil site conditions and yellow tag certified free of 204 invasive species. \[RJ14\]\[JF15\] 205 d.Native shrubs may be allowed to be substituted for native forbs. All substitutions 206 shall be approved by the City. Such shrubs may be bare root seedlings and shall 207 be plantedat eight foot spacing. Shrubs shall be distributed so as to provide a 208 natural appearance and shall not be planted in rows. \[RJ16\]\[JF17\] 209 e.Any groundcover or shrub plantings installed within the buffer area are 210 independent of any landscaping requirements required elsewhere by the City. 211 f. 212 to seeding. 6