2009/06/25 - OTHER - (NA) - Note

Home Browse Search

(3) ( aimtALSTANDARDs. (a) The structure may not be located (5) RIM"OR viiMMID ARMoanaO. Riprap or vegetated armoring on the bed or bank of a lake or flowage may be autho- in an area of special natural resource interest rind under this general permit if it meets all of the requirements (b) The structure may be placed and maintained only by a of s..NR 328.04(3)with the exception that it may be located in an riparian. arca of special natural resource interest,and with additional limi- (c) The project will not result in removal of greater than 20% tations as follows: of the aerial coverage of natural bank vegetation,emergent vege- (a) Riprap or vegetated armoring may not exceed 200 linear talion or floating vegetation,not.including the area covered by the feet of shoreline. • footprint of the ripmp,or any access corridors necessary for the (b) The project site is a moderate or high energy site;ora]ave placement of the ripmp• energy site where the bank-edge recession described in s.NR (d) Any grading,excavation and land disturbance shall be can- 328.08(3)is equal to or greater than 0.5 feet per year and the appli- fined to the minimum area necessary for the construction and may cant can show a biological emsion control structure was pre- not exceed 10,000 square feet viously placed according to the standards in s.NR 328.04(3)and (e) Erosion control measures shall meet or exceed the technical (4)._ standards for erosion control approved by the department under Note:NR 328.08(3)mquima that the time between separate um ammencma,hull subch.V of ch.NR 151. Any area where topsoil is exposed during equal or ezcad 3 mons during the oseo-water season. Note: The awlicad will misty the"equal m or scatter than 0.5 feet par ycm- eonswetion shall be immediately seeded and mulched or raqukementby dearmmating dw the baN-edgc mnadon is equal to or grvmrthm riprapped to stabilize disturbed areas and prevent soils from being l.5 inches pet 3=who during the open-waur neon. eroded and washed into the waterway. (c) Riprap shall be clean fieldstone or quarry stone b to 24 Note: Thcsc standards can be found at the following wchsgc:bap://darwi.gov/ inches in diameter. ., .+ mWerateriwounpdstormwamhochsd,.hnn (f) Unless part of a permanent stormwater management sys- _ (d The toe dinar high may not extend more than 8 f-.,at aater- tem,all temporary erosion and sediment control practices shall be we'd of the ordinary high water mark. removed upon final site stabilization. Areas disturbed during. (e) The final riprap slope may not exceed(be steeper than)2 construction or installation shall be restored. feet horizontal to one foot vertical. (g) All equipment used for the project shall be designed and (f) Ripmp may not be placed at an elevation higher than the ordinary high water mark plus the storm-wave height as calve- ' properly sized b minimize the amount of sediment that can escape lated in s NR 328.08(1). For waters subject to subh n,riprap 1OtO the - may not be placed at an elevation higher than the ordinary high (h) at s reasonab extension of the property is permitted other water mark plus 1.5 times the storm-wave height calculated in s. than what is reasonably necessary mconduct toe project and pro- NR 328.Q8. t ` tect the existing bank No soil or similar fill material may be placed in a wetland or below the ordinary high water mark of any Note: the fisted waren in subch.n are typified by following conditions- navigable waterway. . , s rmpmvdiid;2500 awn and larger,ex)ensive watt/Icvcl Fluetuadm;high ehomline , (1) Drgdging tinder s.30.20(1g)(b)1..Slats.,is not allowed ' 2cmim rater•histone loan of shomhne ,agcn tion. for the placement or maintenance of any shore erosipn control (td No fill material or soil may be placed in a wetland or below structure,under this section. the ordinary high water mark of any navigable waterway. (h) The ripmp shall follow the natural contour of the shoreline. (i) Filter cloth or clean-washed gravel shall be used as a filter ]ager under the riprap to extend the life of the structure,improve effectiveness and prevent soil erosion behind the ripmp. Q) Ripmp or other vegetated armoring along moderate energy sites shall be re-vegetated above the ordinary high water mark by using native shmb plantings,native live stakes or native jointed plantings. .Note Fmsion eouool treatments may include a 10-f6ot shoreline scgnmt where Plant establishment is not required for the purpose of insmsalogreas anmiated with chcplacmmnt ofa,picr or acrosmthe waterway,or mseented with public park mtiv- - itien.'