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C Av O \ \� \ I II I / qsg \ LL. � \�\ \\ \ \\ ` \ •o \ I \1 �s �s°b�� ® STREAM BUFFER IMPACT AREA z Z0 30 0 40 80 120 ;A 0 STREAM BUFFER MITIGATION AREA STREAM BUFFER MITIGATION PLAN Q z \ \ s 1 \ \\\ \\ \ \ TR AM SCALE: 1 = 40' EROSION STABILIZATION AREA Z5 J \ Z O z \\\ \\ \\ \\ \ \ \\ \ \\ \ ` 1 of OU Q \ \ \ \ \1\ \\ \\\ \ \ \ \ \ \ \ \ \ \ \ \ lo \ \ \ \ 1 \ \ \ \ \ �AS,TH ` 1LU \ 1 Mitigation Plantings \ \\\ \ \ \ \ \ \ \\ \ \\ \\ \ \ \\ \\ \ \ \ I\ STREAM BUFFER DISTURBANCE: g g (bare root seedlings or whips at 1,210 per acre, / y \ Z Q m a 2 — \`� \ \ \ \ \ \ \ \ \ 1 \ \ \ \ 1 \ \ \ \ , 1\ \ I 11 \\ \ \ \\ \ \\ 1 1 \ \ \ \ 1 I \ \ \ \\ Impact Area 1: 12,432 SF Im act Area 2: 12,439 SF approximately 6' x 6' on center) Deciduous Jimmy L. Taggart Lic. No. z m Q Q W LL \ I p g e A� 22841 w ~ LL \ 24,871 SF Acerurubro�Lar Maple p Betula lento Black Birch o ,� 7/24/18 ti Ss10NAL E� J Q � m \ \ \ \ \ \ 111 I \ \ 1 I \ \ \ \ Liquidombor styraciflua Sweetgum Q —p \ \ 1 11 I1 I I \ \ \ \ I 11 I I I 11 1 �` \ I \ \ \ MITIGATION AREA REQUIRED: U^ U \ 1 I I I I I I 1 I I I I \ \\\ \ 2 x IMPACT AREA 2 x 24,871 SF = 49,742 SF Small Canonersor �y�Udty Trees Amelanchier canadensis Serviceberry 06 Z Z Z Q Q W fr \ L\ I I I 111I I I I \ \ \ \ 1 I I I h' I 1 \ \ \ \ \ \ Cercis canadensis Redbud LL, V m ALL BIOFILTER #2 REFERENCES HAVE BEEN REMOVED FROM THIS SHEET. MITIGATION AREAS PROVIDED: Magnolia iStbMagnolia agnoa vrginiana weeay agnoa J Evergreen Trees Q WHIPS ARE TO BE PROVIDED ON 2: 1 SLOPE FOR STABILIZATION 51,150 SF Magnolia grandiflora Southern Magnolia Z BIOFILTER #2 REMOVES 0.28 POUNDS PER YEAR OF PHOSPHOROUS. THE DRAINAGE Evergreen Shrubs LL AREA OF BIOFILTER #2 IS LESS THAN (I WATERSHED) 16% IMPERVIOUS BUT WE NEED Kalmla latifolia Mountain Laurel Rhododendron viscosum Swamp Azalea TO GO ABOVE AND BEYOND TO SHOW ITS REMOVAL. THERE IS SOME SCIENCE TO SHOW THAT PROVIDING WHIPS ON THE 2: 1 SLOPE OPEN SPACE WILL REDUCE THE * Taken from "Riparian Buffers Large Shrubs AMOUNT OF POUNDS PER YEAR PHOSPHOROUS MORE THAN THE BIOFILTER #2. THE Modification and Mitigation Cornus stolonifera Redtwig Dogwood Hamamelis virginiano Common Witchhazel Guidance Manual" by DCR, FILE NUMBER TRADING NUTRIENT REDUCTIONS NONPOINT SOURCE BMP IN THE CHESAPEAKE BAY chapter 5.1 Reforestation WATERSHED APPENDIX A GIVES 0.50 POUNDS PER YEAR OF PHOSPHOROUS FOR Establishment Table B. 5-year Clethra alnifolia Sweet Pepperbush EACH ACRE OF LAND CONVERSION GOING FROM PASTURE TO FOREST IN THE JAM ES maintenance and performance RIVER BASIN WEST OF 1-95. WHILE WE ARE NOT APPLYING TO BECOME OUR OWN guarantee required. Herbaceous Plants NUTRIENT CREDIT BANK, ADDING 0.56 ACRES OF WHIPS ESSENTIALLY CONVERTS THE Chelone lyonii Pink Turtlehead Iris cristata Crested Iris GRASSED AREA TO FOREST AND WE WOULD GET 0.28 POUNDS PER YEAR OF Lobelia cardinalis Cardinal Flower PHOSPHOROUS REMOVED. Podophyllum peltatum Mayapple SHEET 16 OF 27