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HomeMy WebLinkAbout20020570 Ver 1_401 Application_20020415Ia vcrR —i anm � 1 Q APR 1 0 Nut x WETLANDS G'C)UP W�TE� U�LITY SEGTfON s PROJECT NARRATIVE FOR ENVIRONMENTAL PERMITS STORM WATER MANAGEMENT EROSION AND SEDIMENTATION CONTROL USACE NATIONWIDE PERMIT DWQ WATER QUALITY CERTIFICATION PROJECT TITLE RIVER ROAD EXTENSION INTO FRENCH CREEK CONTRACT #05 -02 -3329 LOCATION FRENCH CREEK AREA RIVER ROAD MARINE CORPS BASE CAMP LEJEUNE COUNTY OF ONSLOW STATE OF NORTH CAROLINA �' E NN, SEAL 18589 ���nuRnm►""� zap cJ Apn110 2002 public works department marine corps base camp lejeune c 28542 -0004 910-4513238 x252 fax 910-4512927 RIVERR -1 SAM INDEX 1) TITLE PAGE 2) INDEX 3) POINTS OF CONTACT 4) EROSION CONTROL NARRATIVE PURPOSE OF THE REPORT PROJECT DESCRIPTION 5) EROSION CONTROL MEASURES GENERAL REQUIREMENTS CONSTRUCTION SEQUENCE STABILIZED CONSTRUCTION ENTRANCE SILT FENCES GENERAL GRADING AND EARTH MOVING TEMPORARY MEASURES PERMANENT MEASURES APPENDIX I - SITE MAP APPENDIX II SOIL SURVEY EXCERPTS APPENDIX III - STORMWATER APPLICATION FORMS APPENDIX IV - FINANCIAL RESPONSIBILITY FORM Apnl 10 2002 APPENDIX V - PRECONSTRUCTION NOTIFICATION USACE AND NC DWQ APPENDIX VI - SITE PHOTOGRAPHS AND AERIAL PHOTOGRAPHS APPENDIX VII - 81/2' X 11" CONSTRUCTION DRAWINGS APPENDIX VIII - CALCULATIONS public works department marine orp base c mp lejeune nc 28542 0004 910-4513238 x252 fax 910-4512927 RNERR 1 SAM POINTS OF CONTACT OWNER COMMANDING GENERAL ATTN PUBLIC WORKS OFFICER (CODE 405) PSC BOX 20004 MARINE CORPS BASE CAMP LEJEUNE NC 28542 -0004 PROJECT ENGINEER PUBLIC WORKS OFFICER (CODE 405) PSC BOX 20004 MARINE CORPS BASE CAMP LEJEUNE NC 28542 -0004 ATTENTION ALEX R WOOD P E CIVIL ENGINEERING BRANCH 910- 451 3238 x252 (VOICE) 910 -451 -2927 (FAX) WOODAR @LEJEUNE USMC MIL Apnl 10 2002 publ c works department manna corps base camp lejaune nc 28542 -0004 910-4513238 x252 fax 910-4512927 RIVERR -1 SAM NARRATIVE PURPOSE OF THIS REPORT Apnl 10 2002 This narrative report describes the site conditions and proposed practices to be used for stormwater management and for the control of erosion and sedimentation at the subject site PROJECT DESCRIPTION The project scope includes construction of a 24 wide asphalt roadway with an 8 wide adjacent running trail The roadway will have grassed shoulders and roadside drainage ditches The total roadway section from centerline of ditch to centerline of ditch is 70 feet The length of the new roadway will be approximately 2710 linear feet and the length of the new running trail will be approximately 3450 linear feet The area was just recently an 8 mgd wastewater treatment plant with a large equalization lagoon The wastewater plant has been demolished to below grade and the lagoon has been filled with sod The wastewater facility contained a gravel service drive which still remains today A significant portion of the underground piping still remains on the project site A potable water line and a sewage force main are the only known active utilities on site The force main travels under a significant length of the gravel service drive In an effort to reduce traffic congestion on McHugh Blvd Hadnot Point and French Creek are going to be connected together with a new road The route of the new road will be along the existing gravel service drive which once served the wastewater treatment facility The new extension will follow the gravel service drive for a short distance and then the new road will be offset from the gravel road in order to allow for a geometric design which will permit a 35 mph design speed In addition the offset allows the active force main to remain along the roadway shoulder instead of under the new asphalt roadway There are two recreation park areas that exist along this roadway route In addition a pistol training range exists at the end of the roadway project Asphalt parking areas will be constructed at these locations The intent is to use low density development as the method of stormwater management The boundary for the low density delineation is included on the plans public works department marine corps base camp Ieloune nc 28502 -0004 910-4513238 x252 fax 910-4612927 RIVERR -1 SAM Apnl 10 2002 The only wetlands along this roadway corridor are at the Cogdell's Creek Crossing The wetland areas are indicated on the plans as hatching Having served as the site for a wastewater treatment plant for nearly 60 years the bank of Cogdell s Creek is mostly stabilized fill with small timber growth The wetlands have been demolished There are small pockets of wetland vegetation adjacent to the creek These pockets total an estimated 7500 sq ft There are currently two in -place culverts at Cogdell s Creek The first is a 100 Ift 1970 s vintage metal pipe culvert which will be removed At this location the original creek banks will be reclaimed and planted with typha latifolia and typha angustifolia (common cat tail reeds) This will result in approximately 240 Ift of reclaimed shoreline and approximately 2500 square feet of reclaimed stream bed This culvert is being removed since it is no longer required to access the wastewater lagoon The second existing culvert location will be the same location for the new proposed River Road extension crossing This crossing already contains a 40 Ift 1970 s vintage metal pipe culvert The new road crossing will require a new 6 -6 w x 5' -0" h concrete box culvert As a result the existing metal arch pipe will be removed and replaced with the new concrete box culvert A total wetlands fill impact of 3000 square feet will occur as the new concrete box culvert is installed Of this 3000 square feet the existing culvert pipe foot print is approximately 1000 square feet The roadway side ditches will be grassed for most of their length As the ditches approach Cogdell's Creek the slope of the land increases and as a result the ditches will be rip rap lined to prevent erosion The existing 14 10 acre site contains approximately 2 69 acres of impervious area which can be broken down into 747 sqft of concrete 41709 sqft of asphalt road and 74737 sqft of gravel road The new conditions within the defined 14 10 acre low density site limits will consist of 3 27 acres of impervious area The net gain of new impervious area will be 3 27 acres 2 69 acres = 0 58 acres The land disturbing activity will consist of heavy grading operations Approximately 7 50 acres will be disturbed for construction of the roadway and reclamation of the existing gravel access road Borrow and gravel material will be obtained from an off site permitted mine Material disposal will occur at a permitted landfill at Camp Lejeune public works department manne corps b se camp lejeune nc 28542 -0004 910-4513238 x252 fax 910451 2927 RIVERR -1 SAM The existing soil types are Baymeade Newhan Marvyn and Muckalee Excerpts from the Onslow County Soil Survey are attached The area is mostly cleared Approximately 3/4 acres of wooded area will be cleared and grubbed in order to construct the roadway corridor Apnl 10 2002 The predominate vegetation consists of lawn type grasses (centipede bahia and bermuda) Along the creek bank wax myrtle small pines and small hardwoods occur The wooded areas to be cleared consist of sdva culture pine forests with some hardwoods There is not an on -site storm water collection system Sheet drainage is the drainage conveyance method This project will have a duration of approximately 120 days No direct piped discharge will be made to any water course Roadside swales and ditches will be used to collect and convey stormwater to four temporary sediment traps prior to discharging into Cogdell s Creek A $420 stormwater application fee has been included The check has been made payable to the NC Dept of Environment and Natural Resources A low density stormwater BMP application and a stormwater management application are included A $320 sedimentation and erosion control permit fee is included The check has been made payable to the NC Dept of Environment and Natural Resources A Statement of Financial Responsibility is included A $475 water quality certification fee has been included The check has been made payable to the NC Dept of Environment and Natural Resources A pre - construction notification application has been included public works department manna corps base camp leleune nc 28542 -0004 910451 -3238 x252 fax 910-4512927 RIVERR -1 SAM GENERAL EROSION CONTROL MEASURES GENERAL REQUIREMENTS April 10 2002 The contractor is responsible for providing temporary and permanent erosion control measures All measures shall be installed and maintained as indicated in the North Carolina Erosion and Sediment Control Planning and Design Manual As a minimum provide the measures indicated on the erosion control drawings Additional measures will be allowed upon approval of the contracting officer No pollutants such as chemicals fuels lubricants bitumen's raw sewage or other harmful waste are to be discharged along any river stream swale lake water impoundment or on any government owned property unless permission in writing is first obtained The contractor will be responsible for all measures until final acceptance of the project is made by the Government Failure on the part of the Contractor to provide adequate measures to comply with this approved plan will result in suspension of work until the contractor complies CONSTRUCTION SEQUENCE 1 The Government will obtain an erosion and sediment control plan approval from the Land Quality Section of the NC Department of Environment Health and Natural Resources prior to starting land disturbing activity 2 The contracting officer will notify and invite the attendance of the Land Quality Section to a construction meeting prior to any land disturbing activity 3 Install the construction entrance Use existing paved areas for the equipment parking areas 4 Install sediment fences after the site is accessed and prior to any significant land disturbing activity Install additional fences as needed during grading 5 Begin land clearing and grading Construct temporary and permanent roadside ditches Route all ditches through temporary sediment traps sized for 1800 cft/acre of watershed Install rock check dams in all ditches and swales 6 Install downstream sediment filter (floating boom type) in cogdell's creek prior to excavation of the culvert crossings Each culvert crossing operation shall be pubbc works department m nne corps base camp lejeune c 28542 -0004 910.451 3238x252 lax 910-4512927 RIVERR -1 SAM Apn110 2002 completed within 3 days Each crossing operation shall be separate and shall occur one operation at a time The banks shall be stabilized immediately upon completion of the culvert removal and installation operations 7 Continue to grade site to the new proposed contours Install gravel road bed and rework all check dams and sediment traps Seed roadside ditches and all disturbed areas immediately after reaching final grade 8 Provide temporary seeding and mulching on all areas where work is delayed for 15 days or more The site shall not be allowed to have any unprotected erodable areas for more than 15 days 9 Rework all protection devices and damaged vegetated areas prior to project acceptance Ensure rip rap lined ditches and grassed ditches are in good condition STABILIZED CONSTRUCTION ENTRANCE A gravel area shall be constructed to serve as a temporary entrance or the vehicle tires shall be washed over a gravel area The gravel entrances shall be constructed of a 12 wide x 6" thick x 50 length of 2" - 3" washed stone If the contractor requires a staging area for equipment (other than the existing stabilized areas) the gravel entrance detail shall apply to its construction Provide piping for drainage if entrances cross swales or ditches SILT FENCES Fabric silt fences shall be constructed as detailed These fences shall be installed where indicated and anywhere grading practices cause sheet drainage to have potential runoff velocities that may erode the sod Limit drainage areas to 1/4 acre per 100 of silt fence The following table applies to maximum slopes upstream of a silt fence SLOPE SLOPE LENGTH (FT) LESS THAN 2% 100 BETWEEN 2% AND 5% 75 BETWEEN 5% AND 10% 50 BETWEEN 10% AND 20% 25 MORE THAN 20% 15 public works department marine corps base camp lejeune nc 28542 -0004 910-4513238 x252 fax 910451 2927 RIVERR 1 SAM April 10 2002 Silt fences shall be inspected after every rainfall and at 1 week intervals Repairs and /or replacement shall be initiated as the need arises Sediment removed shall be spread and seeded Topsoil that is stockpiled shall have a silt fence constructed around the perimeter of the pile GENERAL GRADING AND EARTH MOVING All cut and fill areas shall be graded to provide positive surface drainage throughout the duration of the project All graded areas shall be stabilized with vegetation as soon as grading is completed or work in the area has been interrupted for 15 days Slopes for cut and fill areas shall not exceed 2 1 Ditch side slopes shall be 3 1 Upon failure or neglect of the contractor to coordinate grading seeding and mulching practices the government may suspend grading operations until adequate erosion control measures are completed TEMPORARY MEASURES Utilize rock check dams sediment traps temporary seeding and diversion ditches as circumstances arise Use of temporary rock check dams is required in swales diversion ditches and drainage paths in which velocities exceed 2 5 fps Temporary seeding is required as indicated herein and as an interim measure when permanent seeding dates have passed See the plans for additional temporary seeding requirements PERMANENT VEGETATION The entire area of the project that is disturbed and denuded of vegetation shall be stabilized prior to project completion The areas outside the project that the contractor damages are also subject to stabilization The work to be done is inclusive of seed bed preparation fertilization liming seeding sprigging mulching etc until the a stabilized stand of vegetation exists See the plans for additional permanent seeding requirements public works department marine corps base camp lee no nc 28542 -0004 910-4513238 x252 tax 910-4512927 RIVERR -1 SAM APPENDIX I - SITE MAP Apn110 2002 public works department marine corps base camp lejeune nc 28542 -0004 910-4513238 x252 fax 910 -451 2927 Microsoft TerraServer Print Page Page 1 of 1 USGS Topo Map 6 km E of Camp Lejeune Marine Corps Base, North Carolina, United States 01 Jul 1970 7�- r �y t, 0' '4Km 0' '2Mi Image courtesy of the US Geological Survey ie I FARMELL "/ t yip = M zki / t _'�^"!' NORTH CAROLINA DEPARTMENT OF ttA} ENVIRONMENT AND NATURAL RESOURCES /,.'' [ W,''as .� \\ ,.r'�' '➢� k /�\ ELIZABETH KOUNTIS +'+ ENVIRONMENTAL SPECIALIST III ® A Cl CLASSIFICATIONS IN STANDARDS UNIT DIVISION OF WATER OUAL}TY NCDENR r N'r 9 LOC ON 512 NORT SA S UR S ET f + M 1617 M S C CE R R LEG NC 27699 -1617 Cl ' t CAN µ P o 819 733 5083 El tabs h K U ® m 11 1 l r 3 t CLED ER KO pl- tu 1 w tpo "'wan �4- oK- ✓ y 4 \wtaR t1^,, pw o4 c3A 4. x �Tr' > al t -y 1 ✓� \ rf 1ts�i`TaF kt (F'SFaS rho �?La�1N s.� 0cY''7 49 ., ��tJ�c� C� 9d r� IIt ily� / rL � r- Eli C f f f ao d / - - Ali M, PoKn, war n a �`�'r 1✓ TRt� 4MIn TRAPS BAY �) l � ° ``•1 ``� ��' \�+ � � ca `` - � vim„ � RIVERR -1 SAM APPENDIX II - SOIL SURVEY EXCERPTS Apnl l0 2002 pubbc works department marine corps base camp leleune nc 28542 -0004 910-4513238 x252 fax 910-4512927 �I SOIL SURVEY OF ONSLOW COUNTY NORTH CAROLINA — SHEET NU Ur Ur BaB T'a BaB 7 . 41011 MII Y .. MB � w� a BaB !!! we KUB ,R 4 MaC ~-ra N"S' x +a Sf BOB l ` x i 1° B8B Mae F BaB ti x ,7h4 w Ky 7^ d y➢�i 00 a h "`4r' w �. a MaC _ qi Elms R Mai' mG ten} t Ud� Mac kh` s if �•• w MaG 4 A Bins ' c �i BaB Dh � � I M � h'C� °sS ('T� � � Mac BaB s MQ '� _ �' b� #Ak t BaB _ 0 s Ln -4UB t N1aC BaB 0 BmB Ln Mk f Mu R C 4ry Mk Mk _ �G BaB La aC Ln y _ n t ti tFfiptfLg . Mk 1 Mk BaB } KuB' MaC Ln a Ys s Nob � Mk 0 0 0 � + s 1 0 1 Noa MaC y Nb8 + a MaC `ate E \ f BaB Ku6 rr n" # BaB Pt Onslow County North Carolina to 7 and chroma of 1 to 8 It is fine sandy loam or sandy clay loam The BCg horizon has hue of 10YR or 2 5Y value of 6 to 8 and chroma of 1 to 3 and is mottled in shades of yellow brown and red It is sand sandy loam or sandy clay loam Baymeade Series The Baymeade series consists of well drained soils on uplands These soils formed in moderately coarse textured sediments Slope ranges from 0 to 6 percent Typical pedon of Baymeade fine sand 0 to 6 percent slopes 1 9 miles south of Hubert 1 6 miles south of the intersection of North Carolina Highways 24 and 172 and 100 feet west of the intersection of North Carolina Highway 172 and a logging road (2 529 OOOX 344 OOOY) A -0 to 2 inches gray (10YR 5/1) fine sand single grain loose few fine roots strongly acid clear wavy boundary E -2 to 9 inches light gray (10YR 7/2) fine sand single grain loose few fine roots strongly acid clear wavy boundary E /Bh -9 to 15 inches light yellowish brown (10YR 6/4) fine sand single grain loose few soft nodules of dark yellowish brown (10YR 4/4) organic coated sand '/9 to 1/4 inch in diameter few fine roots strongly acid clear wavy boundary E —15 to 30 inches white (10YR 8/2) fine sand few coarse distinct very pale brown (10YR 7/4) mottles single grain loose few brownish yellow (10YR 6/8) lamellae of fine sandy loam '/s to 1/4 inch thick strongly acid clear wavy boundary Bt -30 to 40 inches brownish yellow (10YR 6/6) fine sandy loam weak fine subangular blocky structure very friable strongly acid clear wavy boundary BC -40 to 56 inches light yellowish brown (10YR 6/4) fine sandy loam that has strata of fine sand few fine distinct light gray (10YR 7/1) mottles weak fine subangular blocky structure very friable strongly acid gradual wavy boundary Cg -56 to 80 inches light gray (10YR 7/2) fine sand that has strata of loamy fine sand common medium distinct brown (10YR 5/3) mottles single grain loose strongly acid The loamy and sandy layers extend to a depth of 72 inches or more The soils are strongly acid or medium acid throughout unless the surface has been limed The A or Ap horizon has hue of 10YR value of 4 to 6 and chroma of 1 The E and E horizons have hue of 10YR value of 6 to 8 and chroma of 1 to 4 The Bh 67 part of the E /Bh horizon has hue of 7 5YR or 10YR value of 3 to 5 and chroma of 2 to 4 It is fine sand fine sandy loam or sand It makes up 5 to 20 percent of the horizon The Bt horizon has hue of 7 5YR to 2 5Y value of 5 or 6 and chroma of 4 to 8 It is fine sandy loam or sandy clay loam The BC horizon has hue of 10YR or 2 5Y value of 5 or 6 and chroma of 4 to 8 It is loamy sand sandy loam or fine sandy loam The C horizon has hue of 10YR value of 6 to 8 and chroma of 1 to 8 It is fine sand or loamy fine sand Bohicket Series The Bohicket series consists of very poorly drained soils in tidal marshes that are less than 3 feet above sea level These soils formed in silty and clayey sediments that were washed from the drainage areas of freshwater streams Slope is less than 1 percent Typical pedon of Bohicket silty clay loam on the eastern side of Sanders Channel 0 2 mile east of an inlet from the Intracoastal Waterway (2 546 OOOX 328 OOOY) A -0 to 8 inches dark gray (N 4/0) silty clay loam massive friable slightly sticky and slightly plastic slightly acid gradual wavy boundary Cg1 -8 to 38 inches dark gray (N 4/0) silty clay that has pockets of silt loam massive friable slightly sticky and slightly plastic slightly acid gradual wavy boundary Cg2 -38 to 60 inches gray (N 5/0) loamy sand massive very friable neutral The clayey part of the C horizon extends to a depth of 38 inches or more The soils generally range from slightly acid to moderately alkaline throughout After drying however they are extremely acid The A horizon has hue of 10YR to 5G value of 2 to 5 and chroma of 1 or 2 or it is neutral in hue and has value of 2 to 5 The Cg horizon has hue of 10YR to 5GY value of 2 to 7 and chroma of 1 or 2 or it is neutral in hue and has value of 2 to 7 The upper part of the horizon is silty clay clay or sandy clay Below a depth of about 40 inches the horizon ranges from sand to clay Carteret Series The Carteret series consists of very poorly drained soils in tidal marshes along the Intracoastal Waterway These soils formed in sandy marine sediments Slope ranges from 0 to 2 percent Onslow County North Carolina 4 and chroma of 1 or 2 The Bt horizon has hue of 1 OYR or 2 5Y value of 5 or 6 and chroma of 3 to 8 It has few to many grayish mottles in the upper part Below a depth of 20 inches the Btg horizon has hue of 1 OYR or 2 5Y value of 5 to 7 and chroma of 1 or 2 It is sandy clay loam in the upper part and sandy clay loam sandy clay or clay loam in the lower part The BCg horizon has hue of 1 OYR value of 5 to 7 and chroma of 1 or 2 It is stratified sandy clay sandy clay loam sandy loam or loamy sand The Cg horizon has colors similar to those of the BCg horizon It is stratified loamy sand sandy loam or sandy clay loam Marvyn Series The Marvyn series consists of well drained soils on uplands These soils formed in moderately fine textured sediments Slope ranges from 6 to 15 percent Typical pedon of Marvyn loamy fine sand 6 to 15 percent slopes 2 miles east of Richlands 0 5 mile southeast of the intersection of State Roads 1311 and 1307 and 200 feet southwest of State Road 1311 (2 445 OOOX 419 OOOY) Ap-0 to 4 inches brown (1 OYR 5/3) loamy fine sand weak medium granular structure very friable few fine roots slightly acid abrupt smooth boundary E-4 to 8 inches pale brown (10YR 6/3) loamy fine sand weak medium granular structure very friable few fine roots slightly acid clear wavy boundary BE -8 to 12 inches strong brown (7 5YR 5/6) sandy loam weak fine subangular blocky structure friable few fine roots strongly acid clear wavy boundary Bt -12 to 26 inches brownish yellow (10YR 6/8) sandy clay loam weak fine subangular blocky structure friable slightly sticky and slightly plastic thin patchy clay films on faces of peds strongly acid gradual wavy boundary BC -26 to 45 inches brownish yellow (1 OYR 6/6) sandy loam common medium distinct pale brown (10YR 6/3) and few fine distinct light yellowish brown (1 OYR 6/4) mottles weak fine subangular blocky structure friable thin patchy clay films on faces of peds very strongly acid gradual wavy boundary Cg1-45 to 52 inches gray (10YR 5/1) sandy clay loam that has strata of fine sandy loam few medium distinct strong brown (7 5YR 5/8) and common medium prominent red (2 5YR 4/8) mottles massive friable very strongly acid gradual wavy boundary Cg2 -52 to 75 inches light gray (1 OYR 7/1) loamy sand that has strata of sandy loam sandy clay loam and sand common fine prominent red (2 5YR 5/8) and common medium prominent strong brown (7 5YR 75 5/6) mottles massive friable very strongly acid The sandy and loamy horizons extend to a depth of 40 to more than 60 inches The soils are very strongly acid or strongly acid throughout unless the surface has been limed The Ap or A horizon has hue of 1 OYR value of 3 to 5 and chroma of 3 or 4 The Bt horizon has hue of 1 OYR or 7 5YR value 5 or 6 and chroma of 4 to 8 It is sandy clay loam to sandy clay The BC horizon has hue of 1 OYR value of 6 and chroma of 4 to 8 The C horizon has hue of 10YR value of 4 to 7 and chroma of 1 to 8 it has few or common red gray or strong brown mottles It is stratified sandy loam sandy clay loam or loamy sand Masontown Series The Masontown series consists of very poorly drained soils on flood plains These soils formed in moderately coarse textured recent alluvium Slope is 0 to 2 percent Typical pedon of Masontown mucky fine sandy loam 3 miles west of Belgrade 0 5 mile northeast of the intersection of Roper Tram Road and State Road 1331 and 50 feet east of Roper Tram Road (3 455 OOOX 7 716 OOOY) A1-0 to 18 inches very dark gray (10YR 3/1) mucky fine sandy loam moderate medium granular structure very friable many fine and medium roots medium acid gradual wavy boundary A2 -18 to 28 inches very dark gray (1 OYR 3/1) mucky fine sandy loam few medium distinct grayish brown (10YR 5/2) mottles common thin strata of fine sand weak medium granular structure very friable common fine roots medium acid clear irregular boundary Cg1 -28 to 48 inches dark gray (10YR 4/1) fine sandy loam many medium and coarse distinct grayish brown (10YR 5/2) mottles common lenses and pockets of loamy fine sand single grain loose few fine roots neutral gradual wavy boundary Cg2 -48 to 65 inches gray (10YR 5/1) fine sand single grain loose mildly alkaline The loamy and sandy horizons extend to a depth of 65 inches or more The soils range from medium acid to mildly alkaline The A horizon has hue of 1 OYR to 5Y value of 2 or 3 and chroma of 1 or 2 or it is neutral in hue and has value of 2 or 3 The C horizon has hue of 1 OYR to 5Y value of 4 to 7 and chroma of 1 or 2 or it is neutral in hue and has value of 4 to 7 It is sand loamy sand sandy loam fine sand fine sandy loam loam or silt 76 loam It is finely stratified with these textures in some pedons Muckalee Series The Muckalee series consists of poorly drained sods on low flood plains These soils formed in moderately coarse textured recent alluvium Slope ranges from 0 to 2 percent Typical pedon of Muckalee loam 2 miles east of Richlands 0 4 mile southeast of the intersection of State Roads 1311 and 1307 and 200 feet northeast of State Road 1311 (2 446 OOOX 420 OOOY) A -0 to 10 inches dark grayish brown (10YR 4/2) loam weak medium granular structure friable many fine and medium roots strongly acid gradual wavy boundary Cg1 -10 to 28 inches gray (10YR 5/1) loam that has strata of sandy loam massive friable few fine roots slightly acid gradual wavy boundary Cg2 -28 to 40 inches gray (10YR 5/1) sandy loam that has strata of clay loam massive friable neutral gradual wavy boundary Cg3-40 to 75 inches grayish brown (10YR 5/2) sandy loam that has strata of loamy sand common coarse faint gray (10YR 6/1) mottles massive loose slightly alkaline The loamy material extends to a depth of 72 inches or more The A horizon is strongly acid and the C horizon ranges from medium acid to moderately alkaline The A horizon has hue of 10YR to 5Y value of 3 to 5 and chroma of 1 or 2 In areas where value is less than 3 this horizon is less than 6 inches thick The C horizon has hue of 10YR to 5Y value of 4 to 7 and chroma of 1 or 2 It is dominantly fine sandy loam sandy loam loam or loamy fine sand but has thin strata of clay loam sandy clay loam sandy loam or loamy sand Murville Series The Murville series consists of very poorly drained soils on uplands These soils formed in coarse textured sediments Slope is less than 2 percent Typical pedon of Murville fine sand 1 7 miles southeast of Holly Ridge 0 1 mile southeast of the intersection of State Road 1538 and 1534 and 50 feet northeast of State Road 1538 (2 444 OOOX 271 OOOY) A -0 to 5 inches black (10YR 2/1) fine sand weak medium granular structure very friable common Soil Survey medium and fine roots extremely acid gradual wavy boundary Bh1 -5 to 20 inches black (5YR 2/1) fine sand massive very friable few large roots extremely acid gradual wavy boundary Bh2 -20 to 46 inches dark reddish brown (5YR 3/2) fine sand massive very friable very strongly acid gradual wavy boundary Bh3-46 to 55 inches dark brown (7 5YR 3/2) fine sand few fine faint dark reddish brown (5YR 3/2) mottles massive very friable very strongly acid gradual wavy boundary Cg -55 to 75 inches grayish brown (10YR 5/2) sand that has strata of sandy loam massive very friable very strongly acid The sandy horizons extend to a depth of 72 inches or more The soils range from extremely acid to strongly acid throughout unless the surface has been limed The A horizon has hue of 10YR value of 2 or 3 and chroma of 1 or 2 The Bh horizon has hue of 5YR to 10YR value of 2 or 3 and chroma of 1 or 2 It is sand or fine sand The sand grains are coated with organic matter The C horizon has hue of 10YR value of 5 to 7 and chroma of 1 or 2 It is sand loamy sand or sandy loam Newhan Series The Newhan series consists of excessively drained soils that formed in coastal sandy material deposited by the wind Slope ranges from 0 to 30 percent Typical pedon of Newhan fine sand 0 to 30 percent slopes on Onslow Island 2 6 miles southwest of the intersection of Onslow Island Road and Onslow Beach Road 100 feet east of an observation tower (2 513 OOOX 296 OOOY) C1 -0 to 36 inches light gray (10YR 7/2) fine sand single grain loose neutral gradual wavy boundary C2 -36 to 60 inches light gray (10YR 7/2) fine sand single grain loose about 3 percent small fragments of marine shells neutral gradual wavy boundary C3 -60 to 80 inches light gray (10YR 7/1) fine sand single grain loose common black minerals neutral The soils are at least 72 inches thick They are neutral or mildly alkaline Calcareous shell fragments mostly of sand size make up as much as 25 percent of the soils by volume The soils have few or common grains of dark minerals Some pedons have an A horizon This horizon has hue of 10YR value of 5 or 6 and chroma of 1 or 2 It is fine sand or sand The C horizon has hue of 10YR or 128 Soil Survey TABLE 14 -- ENGINEERING INDEX PROPERTIES (The symbol < means less than > means more than Absence of an entry indicates that data were not estimated) I I I Classification IFrag- I Percentage passing I I Soil name and IDepthl USDA texture I I Iments I sieve number -- ILiquid I Plas- map symbol I I I Unified I AASHTO I> 3 1 1 1 1 1 limit I ticity I I I I linchesl 4 1 10 1 40 1 200 1 1 index I in I I I I I I I AnB -------------- 1 0- 131Fine sand -------- ISP-SM SM IA -3 Alpin I I I I A -2- 113- 481Fine sand sand ISP -SM IA -3 I I I I A -2- 148- 801Fine sand sand ISP -SM SM IA -2 -4 I I I I AuB -------------- 1 0- 241Loamy fine sand ISP -SM SM IA -2 Autryville 124- 381Sandy loam sandylSM IA -2 I I clay loam fine I I I I sandy loam I I 138- 531Sand loamy sand ISP -SM SM IA -2 I 1 loamy fine sand I I 153- 991Sandy loam sandylSM SC IA -2 I I clay loam fine I SM -SC I I I sandy loam I I I I I I BaB -------------- I 0- 301Fine sand- - - - - -- -ISM SP -SM IA -2 Baymeade 130- 561Fine sandy loam ISC SM IA -2 I I sandy clay loam I SM -SC I I I sandy loam I I 156- 801Loamy fine sand ISM SP -SM IA -2 I I sand loamy I I I I sand I I I I I I BmB* I I I I Baymeade -------- I 0- 301Fine sand- - - - - -- -ISM SP -SM IA -2 130- 561Fine sandy loam ISC SM IA -2 I I sandy clay loam I SM -SC I I I sandy loam i I 156- 801Loamy fine sand ISM SP -SM IA -2 I I sand loamy I I I I sand I I I I I I Urban land I I 1 I I I I I Bo---------- - - - - -1 0 -8 (Silty clay loam ICH MH IA -7 Bohicket 18- 381Silty clay clay ICH MH IA -7 I I sandy clay I I 138- 601Variable --------- I - -- I - -- I I I I Ca---------- - - - - -1 0- 651Fine sand -------- ISP SP -SM IA -3 Carteret I I I I 1 I I I Co---------- - - - - -1 0- 721Fine sand -------- ISw SP -SM IA -2 Corolla I I I SP I I I I I CrB CrC --------- 1 0 -8 (Fine sandy loam IML CL -ML IA -4 Craven I I I SM SM SCI 18- 481C1ay silty clay ICH IA -7 I I silty clay loam I I 148- 801Sandy clay loam ISM SM -SC IA -2 I I sandy loam I SC I A -6 I I loamy sand I I I I I I See footnote at end of table A -3 A -3 A -4 A -3 A -4 A -3 A -3 A -4 A -3 A -3 A -4 Pct I I I I I 0 I 195 - 100190- I I I I 100160 -1001 5 -20 1 0 1 195- 100190 1 1 1 1 1 - 100160 -1001 5 -20 1 1 0 195- 100190 1 1 1 - 100160 - 100111 -20 1 0 I 1 100 I I I I 1 100 150 -1001 5 -20 1 0 1 100 I 1 100 150 - 100115 -30 1 I I I I 0 I 1 100 I I I I 1 100 150 -1001 5 -20 1 0 1 1 100 1 1 1 1 1 1 100 160 - 100120 -49 1 1 1 1 1 0 1 1 1 100 1 1 1 1 1 1 1 1 1 100 151 -1001 5 -20 1 0 1 100 1 1 100 160- 100123 -49 1 1 1 1 1 0 1 1 100 1 1 1 1 1 1 1 100 151 -1001 5 -30 1 1 1 1 1 1 1 1 1 0 1 1 1 100 1 1 1 1 1 1 1 1 1 100 151 -1001 5 -20 1 0 1 100 I 1 100 160 -90 130 -49 1 I I I I 0 I 1 100 I I I I I I 1 100 151 -75 1 5 -30 1 I I I I I I I I 0 I I I 1 100 I I I I I 1 I I I I I I 199 - 100190- 100180 -1001 0 1 100 I 199 - 100180- 100170 -95 1 I I 1 I 0 -3 I 195- 100190 I I I I I - 100160 -90 1 4 -10 1 I i I I 0 I 180- 100175 I I I I I - 100160 -95 1 1 -12 1 I I I I 0 I 1 100 1 I I I I 1 100 175 - 100145 -90 1 0 1 100 1 1 1 1 1 1 100 190 - 100165 -98 1 1 0 1 100 I I I 1 1 1 195- 100150 - 100115 -49 1 I I I I I I I I I I I I Pct I -- I NP I - -- I NP I --- I NP I - -- I NP <25 1 NP -3 I I --- I NP I <30 1 NP -10 I I I --- I NP <25 1 NP-10 I I -- I NP I I I I -- I NP <25 1 NP -10 I I -- I NP I I I I I 60 -1001 15 -60 50 -1001 16 -60 I I - -- I NP I I - -- I NP I I <35 1 NP -7 I 51 -70 1 24 -43 1 <35 1 NP -15 I I I 130 Soil name and map symbol TABLE 14 -- ENGINEERING INDEX PROPERTIES -- Continued I I IDepthl USDA texture I I I I Classificat n IFrag- I I Iments I Unified I AASHTO I > 3 1 1 (inches I In I I I I Pct I I i I I Ln --------------- 1 0- 171Fine sand -------- ISP SP -SM IA -3 1 0 Leon I I I I A -2 -4 I 117- 511Sand fine sand ISM SP -SM IA 3 1 0 1 1 loamy sand I SP I A -2 -4 I 151- 951Sand fine sand ISP SP -SM 1A -3 1 0 I I I 1 A -2 -4 I I I I I I Ly --------------- 1 0- 131Fine sandy loam ISM ML IA -2 A -4 1 0 Lynchburg I I I SM -SC I 1 I I I CL -ML I I 113- 801Sandy clay loam ISM -SC SC IA -2 A -4 1 0 1 I sandy loam clays CL CL -MLI A -6 I I I loam I I I I I I I I MaC -------------- 1 0- 121Loamy fine sand ISM IA -2 1 0 Marvyn 112- 521Sandy clay loam IML SM IA -4 A -2 1 0 1 1 sandy loam I SC CL I A -6 A -71 152- 75ILoamy sand sandylSM ML IA -1 A -2 1 0 I I loam sandy clay) SC CL I A -4 I I loam I I I I I I Md --------------- 1 0- 281Mucky loam ------- IOL IA -4 Masontown 128- 651Loamy sand sand ISM SP -SM IA -2 A -3 I I sandy loam I I A -5 I I I I Mk---- -------- - --I 0- 401Loam ------------- IML SC SMIA -2 A -4 Muckalee I I I SM -SC I 140- 75ISandy loam loamylSM IA -2 A -4 I I sand I I I I I I Mu-------------- -1 0 -5 (Fine sand -------- ISP -SM SM IA -2 A -3 Murville 15- 551Fine sand sand ISM SP -SM IA -2 A -3 I I loamy fine sand I I 155- 751Variable --------- I - -- I --- I I I I NeE NfC --------- I 0- 80IFine sand -------- ISP SP -SM IA -3 Newhan I I I I I I I I NnE* I I I I Newhan ---------- I 0- 801Fine sand -------- ISP SP -SM IA -3 I I I I Corolla---- - - - - -1 0- 721Fine sand -------- ISW SP -SM IA -2 A -3 I I I SP I I I I I Urban land I I I I I I I I NoA NoB --------- I 0- 10ILoamy fine sand ISM IA -2 Norfolk 110- 471Sandy loam sandylSC SM -SC IA -2 A -4 I I clay loam clay I CL CL -MLI A -6 I I loam I I 147- 80ISandy clay loam ISC SM -SC IA -4 A -6 I I clay loam sandYl CL CL -MLI A -7 -6 I I clay I I I I I I On- --------- - - - - -I 0- 101Loamy fine sand ISM SP -SM IA -2 A -3 Onslow I I I I A -4 110- 681Sandy clay loam ISM CL IA -2 A -4 I I sandy loam clay) SC ML I A 6 1 1 loam I I 168- 801Variable --------- I - -- I - -- I I I I See footnote at end of table 0 0 0 0 0 0 0 0 0 0 0 0 0 0 I Percentage passing I sieve number -- ( 1 4 1 10 1 40 1 200 I I I I I I I I 1 100 1 100 180 -1001 2 -12 1 1 1 1 1 100 1 100 180 -1001 3 -20 1 1 1 1 1 100 1 100 180 -1001 2 -12 I I I I I I I I 192- 100190 - 100175 - 100125 -55 I I I I I I I I 192- 100190 - 100170- 100125 -67 I I I I I I I I I I I I 195- 100190 - 100150- 100113 -30 195 - 100190- 100160 -95 130 -55 1 1 1 1 195- 100190 - 100145 -95 120 -55 1 1 1 1 1 1 1 1 1 1 1 1 1 100 195- 100190- 100160 -75 1 100 195 - 100150 -75 1 5 -40- 1 1 1 1 1 1 1 1 195- 100190 - 100150 -95 130 -60 1 1 1 1 195- 100180- 100160 -90 120 -40 1 1 1 1 1 1 1 1 1 100 1 100 185 -1001 5 -30 1 100 1 100 185 -1001 5 -20 I I I I I I I I 195 - 100195 - 100160 -75 1 0 -5 1 1 1 1 1 1 1 1 1 1 1 1 195- 100195 - 100160 -75 1 0 -5 1 1 1 1 180- 100175 - 100160 -95 1 1 -12 I I I I I I I I I I I I I I I I I I I I 195- 100192-100150 -95 113 -30 1 195 - 100191- 100170 -96 130 -63 1 1 1 1 1 1 1 1 1 1 1 1 100 198- 100165 -98 136 -72 1 1 1 1 1 1 1 1 1 I 1 1 1 1 I 1 100 195- 100160 -1001 5 -38 1 1 1 1 1 1 1 100 195 - 100160- 100130 -55 1 I I I i I I I I I I I I I I I T. Sod Survey I I ILiquid I Plas- I limit I ticity I I index Pct I I --- I NP I -- I NP I --- I NP I I <30 1 NP -7 16 -40 1 4 -18 I I I - -- I NP 24 -45 1 3 -30 1 <40 1 NP -10 --- I NP - -- I NP I I <30 1 NP -10 1 <20 1 NP -4 --- I NP -- I NP I I -- I NP I I I - -- I NP -- I NP I I I I <20 1 NP 20 -38 1 4 -15 20 -52 1 4 -23 I I I --- I NP I <36 1 NP -17 I I RIVERR -1 SAM APPENDIX III - STORMWATER APPLICATION FORMS Apn110 2002 publ c works department manna corps base amp fejeune nc 28542 -0004 910 -451 3238 x252 fax 910-4512927 OFFICE USE ONLY IV t Date Received Fee Paid Permit Number State of North Carolina Department of Environment and Natural Resources Division of Water Quality STORMWATER MANAGEMENT PERMIT APPLICATION FORM This form may be photocopied for use as an ongmal I GENERAL INFORMATION 1 Applicants name (specify the name of the corporation individual etc who owns the project) MA, 4t n► C 2 Print Owner /Signing Official s name and title (person legally responsible for facility and compliance) 5 re e" e, S Lejn�1 t-A,-,l C, D 2 `! S rV P J R,., ►c, w,o"s r)-rt� c. -(l_. 3 Mailing Address for person listed in item 2 above ?SC- &-D Y_ Zc>oo City C-A­\J '.-ZJEu N State N�IC. Zip Z8 S 4 Z - oo o� Telephone Number ( gt t 4 ) z+.<1 - 3 Z 3 rb X ?-,5 Z 4 Project Name (subdivision facility or establishment name should be consistent with project name on plans specifications letters operation and maintenance agreements etc) 21 y EC %Z!K Tt- v S ► o .%1 i rrr To — nt.cE} C4CUX, 5 Location of Project (street address) i,4 C(L- City � L.E T-0i c N L County dN S L.CX^J 6 Directions to project (from nearest major intersection) TftOrti I+�ST Y(.�S`GZ��P: or- VbU 'r3L_V0 r yz Je(L (?-OA-0 a;oCct-t So E�TT io YvI k DES TM -lair 1'ks:3�z -T (AFC -ArJ N IO G 7 Latitude 3 `r , (o W b 8 Longitude - "7-7 3 3 TAO of ro ect P J 8 Contact person who can answer questions about the project Name ALA e WaoD P E Telephone Number ( c1 o ) 1 - 3 Z3 6 x Z,�- L II PERMIT INFORMATION �( 1 Specify whether project is (check one) New Renewal Modification Form SWU 101 Version 3 99 Page 1 of 4 2 If this application is being submitted as the result of a renewal or modification to an existing permit list the existing permit number N 1 fir and its issue date (if known) Specify the type of project (check one) Low Density High Density Redevelop General Permit Other Additional Project Requirements (check applicable blanks) _CAMA Major Sedimentation /Erosion Control 4404/401 Permit _NPDES Stormwater Information on required state permits can be obtained by contacting the Customer Service Center at 1 877 623 6748 III PROJECT INFORMATION 1 In the space provided below summarize how stormwater will be treated Also attach a detailed narrative (one to two pages) describing stormwater management for the project &:) I YS ► T -Cftt-"�. / T lm o c f - �A'� % T,5 yS vF U u) I rzttt'S 2 Stormwater runoff from this project drains to the w H'1 T>" o River basin 3 Total Project Area 14 t c acres 4 Project Built Upon Area Z -,�3 % 5 How many drainage areas does the project have? 6 Complete the following information for each drainage area If there are more than two drainage areas in the project attach an additional sheet with the information for each area provided in the same format as below Basin information Drainage Area 1 Drainage Area 2 Receiving Stream Name c o G O•C —L�.S G2� Receiving Stream Class S L Drainage Area Existing Impervious Area Proposed Impervious Area 3 Z '7� % Impervious Area (total) Z 3 7. Impervious* Surface Area Drainage Area 1 Drainage Area 2 On site Buildings On site Streets 3 Z 7 On site Parking On site Sidewalks Other on site Off site Total 3 2,-7 A-cA rS Total Impervious area is defined as the built upon area including but not limited to buildings roads parking areas sidewalks gravel areas etc Form SWU 101 Version 3 99 Page 2 of 4 7 How was the off site impervious area listed above derived? N JA- IV DEED RESTRICTIONS AND PROTECTIVE COVENANTS The following italicized deed restrictions and protective covenants are required to be recorded for all subdivisions outparcels and future development prior to the sale of any lot If lot sizes vary significantly a table listing each lot number size and the allowable built upon area for each lot must be provided as an attachment N I 'i (V\ Ai4 r-rc � g4 Xs,r tv -� I The following covenants are intended to ensure ongoing compliance with state stormwater management permit number as issued by the Division of Water Quality These covenants may not be changed or deleted without the consent of the State 2 No more than square feet of any lot shall be covered by structures or impervious materials Impervious materials include asphalt gravel concrete back stone slate or similar material but do not include wood decking or the water surface of swimming pools 3 Swales shall not be filled in piped or altered except as necessary to provide driveway crossings 4 Built upon area in excess of the permitted amount requires a state stormwater management permit modification prior to construction 5 All permitted runoff from outparcels or future development shall be directed into the permitted stormwater control system These connections to the stormwater control system shall be performed in a manner that maintains the integrity and performance of the system as permitted By your signature below you certify that the recorded deed restrictions and protective covenants for this project shall include all the applicable items required above that the covenants will be binding on all parties and persons claiming under them that they will run with the land that the required covenants cannot be changed or deleted without concurrence from the State and that they will be recorded prior to the sale of any lot V SUPPLEMENT FORMS The applicable state stormwater management permit supplement form(s) listed below must be submitted for each BMP specified for this project Contact the Stormwater and General Perrruts Unit at (919) 733 5083 for the status and availability of these forms Form SWU 102 Form SWU 103 Form SWU 104 Form SWU 105 Form SWU 106 Form SWU 107 Form SWU 108 Form SWU 109 Wet Detention Basin Supplement Infiltration Basin Supplement Low Density Supplement Curb Outlet System Supplement Off Site System Supplement Underground Infiltration Trench Supplement Neuse River Basin Supplement Innovative Best Management Practice Supplement Form SWU 101 Version 3 99 Page 3 of 4 VI SUBMITTAL REQUIREMENTS Only complete application packages will be accepted and reviewed by the Division of Water Quality (DWQ) A complete package includes all of the items listed below The complete application package should be submitted to the appropriate DWQ Regional Office 1 Please indicate that you have provided the following required information by initialing in the space provided next to each item Initials Original and one copy of the Stormwater Management Permit Application Form Agk { One copy of the applicable Supplement Form(s) for each BMP Permit application processing fee of $420 (payable to NCDENR),�,� Detailed narrative description of stormwater treatment /management) Two copies of plans and specifications including A4L w Development /Project name Engineer and firm Legend North arrow Scale Revision number & date Mean high water line Dimensioned property/project boundary Location map with named streets or NCSR numbers Original contours proposed contours spot elevations finished floor elevations Details of roads drainage features collection systems and stormwater control measures Wetlands delineated or a note on plans that none exist Existing drainage (including off site) drainage easements pipe sizes runoff calculations Drainage areas delineated Vegetated buffers (where required) VII AGENT AUTHORIZATION If you wish to designate authority to another individual or firm so that they may provide information on your behalf please complete this section Designated agent (individual or firm) Mailing Address City State Zip Phone (_ ) Fax VIII APPLICANT S CERTIFICATION I (pent or type name ofperson listed in General Information item 2) 5 TeU(FN i2 S c_1t-.► L AA certify that the information included on this permit application form is to the best of my knowledge correct and that the project will be constructed in conformance with the approved plans that the required deed restrictions and protective covenants will be recorded and that the proposed project complies with the requirements of 15A NCAC 2H 1000 _ /% Signature Form SWU 101 Version 3 99 Page 4 of 4 Date /0 41Y ©Z Pernut No (to be provided by DWQ) State of North Carolina Department of Environment and Natural Resources Division of Water Quality STORMWATER MANAGEMENT PERMIT APPLICATION FORM LOW DENSITY SUPPLEMENT This form may be photocopied for use as an ongmal A low density project is one that meets the appropriate cntena for built upon area and transports stormwater runoff primarily through vegetated conveyances Low density projects should not have a discrete stormwater collection system as defined by 15A NCAC 2H 1002(18) Low density requirements and density factors can be found in 15A NCAC 2H 1005 through 1007 PROJECT INFORMATION Protect Name �Lweat- flan o irf r- F&Pygc tt- c&zu=V- Contact Person C- W ,30r� i V t5' Phone Number ( 9t o ) 445 i - '3 6 x Z5 Z Number of Lots Allowable Built Upon Area Per Lot* 3 z'7 ASS *If lot sizes are not uniform attach a table indicating the number of lots lot sizes and allowable built upon area for each lot The attachment must include the project name phase page numbers and provide area subtotals and totals H BUILT UPON AREA See the Stormwater Management Permit Application for specific language that must be recorded in the deed restrictions for all subdivisions N �/� �mrMc� c..oRr9S � -ESA -� for.► For uniform lot sizes complete the following calculation in the space provided below where SA Site Area - the total project area above Mean High Water Wetlands may be excluded when the development results in high density pockets DF Density Factor the appropriate percent built upon area divided by 100 RA Road Area the total impervious surface occupied by roadways OA Other Area the total area of impervious surfaces such as clubhouses tennis courts sidewalks etc No Lots the total number of lots in the subdivision BUA/Lot the computed allowable built upon area for each lot including driveways and impervious surfaces located between the front lot line and the edge of pavement Form SWU 104 Rev 3 99 Page 1 of 2 Calculation (SA x DF)RA OA = BUA No Lots Lot 1 01 At (� (t o adz i ! m A roW t o') S /M l'k 3 2 -7 /`f �•iLt'S 3JN - 3 7-7 - 23�� L+ Z3% Z- zsj C) IC- III REQUIRED ITEMS CHECKLIST Initial in the space provided to indicate that the following requirements have been met and supporting documentation is provided as necessary If the applicant has designated an agent on the Stormwater Management Permit Application Form the agent may initial below Applicants Initials .� a A 30 foot vegetative buffer is provided adjacent to surface waters Projects in the Neuse River basin may require additional buffers N b Deed restriction language as required on form SWU -101 shall be recorded as a restrictive covenant A copy of the recorded document shall be provided to DWQ within 30 days of platting and prior to sale of any lots c Built upon area calculations are provided for the overall project and all lots t N,/ d Project conforms to low density requirements within the ORW AEC (if applicable) [15A NCAC 2H 1007(2)(b)] Form SWU 104 Rev 3 99 Page 2 of 2 RIVERR -1 SAM APPENDIX IV - FINANCIAL RESPONSIBILITY FORM Apnl l0 2002 publ c works department marine orps base camp lejeune nc 28542 -0004 910-4513238 x252 fax 910-4512927 FINANCIAL RESPONSYBILITY /OWNERSHIP FORM SEDDIENTATION POLLUTION CONTROL ACT No person may initiate a land disturbing activity on one or more acres as covered by the Act before this form and an acceptable erosion and sedimentation control plan have been completed and approved by the Land Quality Section NC Department of Environment, and Natural Resources (Please type or print and if question is not applicable place N/A in the blank) Part A Protect Name e j ,)FYL C!M CrceLy_ 2 Location of land- daturbmg activity County City or Township C /M.P !t zyu rJ iE , and Highway /Street ti 3 Approximate date land disturbing activity will be commenced _ +` (oo UA S — Z�i j E- 4 Purpose of development (residential commercial industrial etc ) _ vN' t c- k-rAA( 5 Total acreage disturbed or uncovered (including off site borrow and waste areas) S 6 Amount of fee enclosed $ 7 Has an erosion and sedimentation control plan been filed? Yes >�f No taws -L. q Sdo Enclosed 8 Person to contact should sediment control issues anse during land- disturbmg activity Name A [etc (L. S�,J PF Telephone 9 , Q 4-r, 372 3e )c ZaSL 9 Landowner(s) of Record (Use blank page to list additional owners) CG M11AA1415- CQ"-s dprst�: Name(S) PQ9jLL` %.JO/L(cS oFFCNR -- 0 S C 6c.,-x Zoc,c� Current Mailing Address Current Street Address C P LFlrey rfF n2 Z le S q- 2 -000 4 City State Zip City State Zip 10 Recorded in Deed Book No N /A- Page No Part B Persons) or finn(s) who are financially responsible for tins land disturbing activity (Use a blank page to list additional persons or firms) s1g.V/ 2 s c4WL.4W CO2 c 5r✓ Name of Person(s) or Firm(s) PSc 13:�x Zcx,-,z� 9(- Current Mailing Address City State Zip 4f ,o �s/ - 3z31a Telephone Current Street Address City State Zip Telephone (a) If the Financially Responsible Party is not a resident of North Carolina give name and street address of a North Carolina Agent Name Mailing Address City State Zip Telephone Street Address City Telephone State Zip (b) If the Financially Responsible Party is a Partnership or other person engaging in business under an assumed name attach a copy of the certificate of assumed name If the Financially Responsible Party is a Corporation give name and street address of the Registered Agent 1\1 lA Name of Registered Agent Mailing Address City State Zip Telephone Street Address City State Zip Telephone The above information is true and correct to the best of my knowledge and belief and was provided by me under oath (This form must be signed by the financially responsible person if an individual or his attorney in fact or if not an individual by an officer director partner or registered agent with authority to execute mstn ments for the financially responsible person) I agree to provide corrected information should there be any change in the information provided herein $? 6V611 R SCANG A A/ wales qfr *eor Type or print name / Title or Authority Sn Date /O A t"I 02 , I _ Allee 1 -k44 a Notary Public of the County of OA f l,/ 14J State of North Carolina hereby certify that _ J'V -CJen '-'-? ePe appeared personally before me this day and being duly sworn acknowledged that the above form was executed by him Witness my hand and notarial seal tlus �0 day o 49- vU Seal Notary My commnssnon expires RIVERR -1 SAM Apnl 10 2002 APPENDIX V - PRECONSTRUCTION NOTIFICATION USACE AND NC DWQ public works department manne corps base camp leje ne nc 28542 -0004 910-4513238 x252 fax 910-4512927 Office Use Only USACE Action ID No No Form Version February 2002 If any particular item is not applicable to this project please enter "Not Applicable or 'N /A" rather than leaving the space blank Processing 1 Cheo all of the approval(s) requested for this project Section 404 Permit ►J krnck-i w , or ❑ Section 10 Permit ,0''401 Water Quality Certification Gq,- -LA-x- ❑ Riparian or Watershed Buffer Rules 2 Nationwide Regional or General Permit Number(s) Requested 19192-0100 -� 3 If this notification is solely a courtesy copy because written approval for the 401 Certification is not required check here ❑ 4 If payment into the North Carolina Wetlands Restoration Program (NCWRP) is proposed for mitigation of impacts (see section VIII - Mitigation) check here ❑ H Apphcant Information 1 Owner /Applicant Information Name S yo�v� f 5CA J L-AA C; p (L., v S r4 Q $ t L t,�IiLrs of -tctx Mailing Address C G% vti CA C -Avx e L J N t. t,G .,J o a-ICS PSG A,--,x z00o1- J C- Ar- P 410 NC— Z,8 S WL Telephone Number 5),--) 451 3 a 3 �6 %Z.52 Fax Number (� +<Z) - t - Z5 q-- 7 Email Address acAvi-44 sl? V-f:7b %- A, 4T , N A 4::A - N I\V Y vm ► L. 2 Agent Information (A signed and dated copy of the Agent Authonzahon letter must be attached if the Agent has signatory authority for the owner /applicant ) Name . f . Company Affiliation N II Mailing Address Telephone Number E mail Address Page 5 of 12 Fax Number III Project Information Attach a vicinity map clearly showing the location of the property with respect to local landmarks such as towns rivers and roads Also provide a detailed site plan showing property boundaries and development plans in relation to surrounding properties Both the vicinity map and site plan must include a scale and north arrow The specific footprints of all buildings impervious surfaces or other facilities must be included If possible the maps and plans should include the appropriate USGS Topographic Quad Map and NRCS Soil Survey with the property boundaries outlined Plan drawings or other maps may be included at the applicant's discretion so long as the property is clearly defined For administrative and distribution purposes the USACE requires information to be submitted on sheets no larger than 11 by 17 inch format however DWQ may accept paperwork of any size DWQ prefers full size construction drawings rather than a sequential sheet version of the full size plans If full size plans are reduced to a small scale such that the final version is illegible the applicant will be informed that the project has been placed on hold until decipherable maps are provided 1 Name of project RZVQOL aOA�a QerEr►S Ian 1 470 F-4�C + C ta-t- 2 T I P Project Number or State Project Number (NCDOT Only) N ]A Property Identification Number (Tax PIN) 4 Location County ONS Lo" Nearest Town c-A-M P Subdivision name (include phase /lot number) c A•rrp LE7:M,)r4C Directions to site (include road numbers landmarks etc ) rx0 r- i ,,JTP'R-Se Qf-,i OF- f OLco-6 (ILyp A JG 2WM acl paoCim -O Sow , Rio m,sx& -,p f oZyT-T- AeZk -I M ,T c, 5 Site coordinates if available (UTM or Lat/Long) 14 L �n- -1-�'b J 7� t-o 3� (Note - If project is linear such as a road or utility line attach a sheet that separately lists the coordinates for each crossing of a distinct waterbody)) Zg.SS72 -7 75� 3�3 �� b 1 i) 7- 19S (. ►t,� 2 -75/ 3$3 �-` �Z So ZS �vTri, rJ 6 Describe the existing land use or condition of the site at the time of this application J !J ot. Q L, ks iy7 rP,-� A ui t.o rift S aemr-)� r,T-r is C &-Arsstb 7 Property size (acres) GAG A e1 S ^E� ft Tits 4Q 8 Nearest body of water ( stream /ever /sound/ocean/lake) ,o nrC W 2 9 River Basin w H-► M 0A--IL (Note - this must be one of North Carolina's seventeen designated major river basins The River Basin map is available at http //h2o enr state nc us /admin/maps/ ) Page 6 of 12 10 Describe the purpose of the proposed work a Pro wR ,1�ni� �-�,J (. 0ri-:L UA-0 4--1' t�Ls-n g C 11 List the type of equipment to be used to construct the project T&*c►<- a O OEM p -" - CAL- it,► L." 0 O- -EY -- 12 Describe the land use in the vicinity of this project W PVS -M f c-AIJ T L n Er-,-) N Cw L-A,,Ja j S r 5 N-Oi1 -L !1 E ac c.lt�rc-hoN A-�-- f M row"V -M A-, ,..li rAG- IV Prior Project History If jurisdictional determinations and/or permits have been requested and/or obtained for this project (including all prior phases of the same subdivision) in the past please explain Include the USACE Action ID Number DWQ Project Number application date and date permits and certifications were issued or withdrawn Provide photocopies of previously issued permits certifications or other useful information Describe previously approved wetland stream and buffer impacts along with associated mitigation (where applicable) If this is a NCDOT project list and describe permits issued for prior segments of the same T I P project along with construction schedules N /A V Future Project Plans Are any future permit requests anticipated for this protect? If so describe the anticipated work, and provide justification for the exclusion of this work from the current application NONE VI Proposed Impacts to Waters of the United States/Waters of the State It is the applicants (or agent's) responsibility to determine delineate and map all impacts to wetlands open water and stream channels associated with the project The applicant must also provide justification for these impacts in Section VII below All proposed impacts permanent and temporary must be listed herem and must be clearly identifiable on an accompanying site plan All wetlands and waters and all streams (intermittent and perennial) must be shown on a delineation map whether or not impacts are proposed to these systems Wetland and stream evaluation and delineation forms should be included as appropriate Photographs may be included at the applicants discretion If this proposed impact is strictly for wetland or stream mitigation list and describe the impact in Section VIII below If additional space is needed for listing or description please attach a separate sheet Page 7 of 12 I Provide a brief written description of the proposed impacts Qjp-Q.rr 0?CCSTV-4c, G ,j l<V61X A'I" Aim-. Fi�i_�10 CME� P,t�P' V,Q C.ju.0 P E GyllhN6i 2mtk0 {31'tsm rlCc C(W&S -JC ct—p -"- 2 Individually list wetland impacts below Wetland Impact Site Number indicate on ma) Type of Impact* Area of Impact acres Located within 100 year Floodplain ** es/no Distance to Nearest Stream linear feet Type of Wetland * ** EXc/W,, ,n- `l O3 45 O S f CU r_ve'rir Z 9 9&4 04c- / / OLD)' C C o 60 g L (—.5 Z Z C✓C- "e"r j. J S rwrt". Nr� i ist earn impact separately anu luennry temporary impacts impacts include but are not limited to mechanized cleating grading fill excavation flooding ditching/drainage etc For dams separately list impacts due to both structure and flooding ** 100 -Year floodplams are identified through the Federal Emergency Management Agency s (FEMA) Flood Insurance Rate Maps (FIRM) or FEMA approved local floodplam maps Maps are available through the FEMA Map Service Center at 1 800 358 9616 or onlme at h= / /www fema gov * ** List a wetland type that best describes wetland to be impacted (e g freshwater /saltwater marsh forested wetland beaver pond Carolina Bay bog etc) List the total acreage (estimated) of all existing wetlands on the property 1-7 A-lr Total area of wetland impact proposed o Ar, Ti� 0 3 tr— P ,i 3 Individually list all intermittent and perennial stream impacts below Stream Impact L Type of Impact* I Length of A Stream Name ** o Average Width P Perennial or 9-an -o fC / / Z----> G G '0 G S Z Z5 { {' f CU r_ve'rir Z 9 9&4 04c- / / OLD)' C C o 60 g L (—.5 Z Z C✓C- "e"r j. J S rwrt". Nr� = (separately list impacts due to both structure and flooding) relocation (include linear feet before and after and net loss /gam) stabilization activities (cement wall rip rap crib wall gabions etc ) excavation drtching/straightenmg etc If stream relocation is proposed plans and profiles showing the linear footprint for both the original and relocated streams must be included ** Stream names can be found on USGS topographic maps If a stream has no name list as UT (unnamed tributary) to the nearest downstream named stream into which it flows USGS maps are available through the USGS at 1 800 358 9616 or online at www uses gov Several intemet sites also allow direct download and printing of USGS maps (e g www topozone com www mapquest com etc ) .jc- Cumulative impacts (linear distance in feet) to all streams on site Z C✓ v J l -`� C41--a S S .i 4 T7f'i S If"t-J A S *-j o Peli t mel?A --t Page 8 of 12 4-r Itrl QG 15 Ti J L STi ^, L 4 C f ✓A �( . c...� �. J W t 4 Individually list all open water impacts (including lakes ponds estuaries sounds Atlantic Ocean and any other water of the U S ) below Open Water Impact Site Number indicate on ma) Type of Impact* Area of Impact (acres) Name of Waterbody (if applicable) Type of Waterbody (lake pond estuary sound bay ocean etc List each impact separateiy and identify temporary impacts Impacts include but are not limned to fill excavation dredging flooding drainage bulkheads etc 5 Pond Creation N 1A If construction of a pond is proposed associated wetland and stream impacts should be included above in the wetland and stream impact sections Also the proposed pond should be described here and illustrated on any maps included with tlus application Pond to be created in (check all that apply) ❑ uplands ❑ stream ❑ wetlands Describe the method of construction (e g dam/embankment excavation installation of draw down valve or spillway etc ) Proposed use or purpose of pond (e g livestock watering irrigation aesthetic trout pond local stormwater requirement etc ) Size of watershed draming to pond Expected pond surface area VII Impact Justification (Avoidance and Minimization) Specifically describe measures taken to avoid the proposed impacts It may be useful to provide information related to site constraints such as topography building ordinances accessibility and financial viability of the protect The applicant may attach drawings of alternative lower - impact site layouts and explain why these design options were not feasible Also discuss how impacts were minimized once the desired site plan was developed If applicable discuss constriction techniques to be followed during construction to reduce impacts S / rz� /{4% UY t S 17—, G cet. -�C- G23 s S -T- Jr yrr-=- 0T7y 2 S r-r /:5 ef� 0,611- P4-:%T S/ 7r- S,- r-r is 9-C e7Xi s 7-1-/ ci VIII Mitigation DWQ In accordance with 15A NCAC 2H 0500 mitigation may be required by the NC Division of Water Quality for projects involving greater than or equal to one acre of impacts to freshwater wetlands or greater than or equal to 150 linear feet of total impacts to perennial streams Page 9 of 12 USACE — In accordance with the Final Notice of Issuance and Modification of Nationwide Permits published in the Federal Register on March 9 2000 mitigation will be required when necessary to ensure that adverse effects to the aquatic environment are minimal Factors including size and type of proposed impact and function and relative value of the impacted aquatic resource will be considered in determining acceptability of appropriate and practicable mitigation as proposed Examples of mitigation that may be appropriate and practicable include but are not limited to reducing the size of the project establishing and maintaining wetland and/or upland vegetated buffers to protect open waters such as streams and replacing losses of aquatic resource functions and values by creating restoring enhancing or preserving similar functions and values preferable in the same watershed If mitigation is required for this project a copy of the mitigation plan must be attached in order for USACE or DWQ to consider the application complete for processing Any application lacking a required mitigation plan or NCWRP concurrence shall be placed on hold as incomplete An applicant may also choose to review the current guidelines for stream restoration in DWQ s Draft Technical Guide for Stream Work in North Carolina available at httn //h2o enr state nc us /ncwetlands /strmgide html Provide a brief description of the proposed mitigation plan The description should provide as much information as possible including but not limited to site location (attach directions and/or map if offsite) affected stream and river basm type and amount (acreage/linear feet) of mitigation proposed (restoration enhancement creation or preservation) a plan view preservation mechanism (e g deed restrictions conservation easement etc ) and a description of the current site conditions and proposed method of construction Please attach a separate sheet if more space is needed 2 Mitigation may also be made by payment into the North Carolina Wetlands Restoration Program ( NCWRP) with the NCWRP s written agreement Check the box indicating that you would like to pay into the NCWRP Please note that payment into the NCWRP must be reviewed and approved before it can be used to satisfy mitigation requirements Applicants will be notified early in the review process by the 401/Wetlands Unit if payment into the NCWRP is available as an option For additional information regarding the application process for the NCWRP check the NCWRP websrte at hqp //h2o enr state nc us /mrMhndex htm If use of the NCWRP is proposed please check the appropriate box on page three and provide the following information Amount of stream nutigation requested (linear feet) Amount of buffer mitigation requested (square feet) Amount of Riparian wetland mitigation requested (acres) _ Amount of Non riparian wetland mitigation requested (acres) Amount of Coastal wetland mitigation requested (acres) Page 10 of 12 N I IX X Environmental Documentation (DWQ Only) Does the project involve an expenditure of public (federal/state) funds or the use of public (federal/state), land*? Yes No ❑ If yes does the project require preparation of an environmental document pursuant to the requirements of the National or North Carolina Environmental Policy Act (NEPA/SEPA)9 Note If you are not sure whether a NEPA/SEPA document is required call the SEPA coordinator at (919) 733 5083 to review current thresholds for environmental documentation Yes ❑ No �p r i S 1 If yes has the document review been finalized by the State Clearinghouse? If so please attach a copy of the NEPA or SEPA final approval letter Yes ❑ No ❑ Proposed Impacts on Riparian and Watershed Buffers (DWQ Only) It is the applicant's (or agent's) responsibility to determine delineate and map all impacts to required state and local buffers associated with the project The applicant must also provide justification for these impacts in Section VII above All proposed impacts must be listed herem and must be clearly identifiable on the accompanying site plan All buffers must be shown on a map whether or not impacts are proposed to the buffers Correspondence from the DWQ Regional Office may be included as appropriate Photographs may also be included at the applicant's discretion Will the project impact protected riparian buffers identified within 15A NCAC 2B 0233 (Meuse) 15A NCAC 2B 0259 (Tar Pamlico) 15A NCAC 2B 0250 (Randleman Rules and Water Supply Buffer Req a nts) or other (please identify. )9 Yes ❑ No x If you answered yes provide the following information Identify the square feet and acreage of impact to each zone of the riparian buffers If buffer mitigation is required calculate the required amount of mitigation by applying the buffer multipliers Zone* Impact (square feet) Multiplier Required Mitigation 1 3 2 15 Total * Zone 1 extends out 30 feet perpendicular from near bank of channel Zone 2 extends an additional 20 feet from the edge of Zone 1 Page 11 of 12 If buffer mitigation is required please discuss what type of mitigation is proposed (i a Donation of Property Conservation Easement Riparian Buffer Restoration / Enhancement Preservation or Payment into the Riparian Buffer Restoration Fund) Please attach all appropriate information as identified within 15A NCAC 2B 0242 or 0260 XI Stormwater (DWQ Only) Describe impervious acreage (both existing and proposed) versus total acreage on the site Discuss stormwater controls proposed in order to protect surface waters and wetlands downstream from the property 1 t- t:D � s tC Z37z, XII Sewage Disposal (DWQ Only) Clearly detail the ultimate treatment methods and disposition (non discharge or discharge) of wastewater generated fro the proposed protect or available capacity of the subject facility XM Violations (DWQ Only) Is this site in violation of DWQ Wetland Rules (15A NCAC 2H 0500) or any Buffer Rules9 Yes ❑ No Is this an after the -fact perms apphcation'? Yes ❑ No XIV Other Circumstances (Optional) It is the applicant's responsibility to submit the application sufficiently in advance of desired construction dates to allow processing time for these permits However an applicant may choose to list constraints associated with construction or sequencing that may impose limits on work schedules (e g draw down schedules for lakes dates associated with Endangered and Threatened Species accessibility problems or other issues outside of the applicant's control) Applicant/Agent's Signature Date (Agent's signature is valid only if an authorization letter from the applicant is provided ) Page 12 of 12 RNERR -1 SAM APPENDIX VI - SITE PHOTOGRAPHS AND AERIAL PHOTOGRAPHS Apnl 10 2002 p blic works department man a corps bas camp lejeune nc 28542 -0000 910.451 3238x252 fax 910-4512927 3 w Li 0 Q S U O W g U W 0 z Q 0 w O m w Of w m O H H W J U LU W S W (7 Q S U) Q W g a w ct Li m O F- w J D U 0 w g U w z Q 0 w O w cy- w m O F- w J U C) Z O Q' U C7 z N R w 0 LL) U g w w m O W J U j A. 3 w Li 0 Q S U O W g U W 0 z Q 0 w O m w Of w m O H H W J U LU W S W (7 Q S U) Q W g a w ct Li m O F- w J D U 0 w g U w z Q 0 w O w cy- w m O F- w J U C) Z O Q' U C7 z N R w 0 LL) U g w w m O W J U N O n O� ap ti i A I Q Li a a ti V ti A nL. ?W nr` W z A N O a b n V t C. a a ti t 4 a f ` 3 A RIVERR 1 SAM APPENDIX VII - 81/2' X 11" CONSTRUCTION DRAWINGS April 10 2002 public works departme 1 marine corps base camp leleune nc 28542 -0004 910-451 3238 x252 fax 910451 2927 � � . 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Luj i £ o o °m E ai1�8 5 a I � J 4l I -E $a � m � t �_ j I 1.,J I 3 S ea�a d3 � I g A g J� 9 S I I i 1 {1 II I r I J� RWRR -1 SAM APPENDIX VIII - CALCULATIONS April 10 2002 public works department marine corps base camp lejeune nc 28542 0004 910451 3238 x252 fax 910-4512927 i DRAINAGE AREA (ACRES) 22 VOLUME OF STORAGE PER ACRE (CFT) 1800 DESIRED DEPTH (FT) 35 REQUIRED VOLUME (CFT) 3960 REQUIRED AREA (SFT) 113143 RECTANGULAR DIMENSIONS (FT) 238 BY CIRCULAR DIMENSIONS (FT) 380 DIA SQUARE DIMENSIONS (FT) 336 BY WEIR LENGTH (FT) 14 DRAINAGE AREA (ACRES) 25 VOLUME OF STORAGE PER ACRE (CFT) 1800 DESIRED DEPTH (FT) 35 REQUIRED VOLUME (CFT) 4500 REQUIRED AREA (SFT) 128571 RECTANGULAR DIMENSIONS (FT) 254 BY CIRCULAR DIMENSIONS (FT) 405 DIA SQUARE DIMENSIONS (FT) 359 BY WEIR LENGTH (FT) 14 476 336 507 359 DRAINAGE AREA (ACRES) 15 VOLUME OF STORAGE PER ACRE (CFT) 1800 DESIRED DEPTH (FT) 35 REQUIRED VOLUME (CFT) REQUIRED AREA (SFT) RECTANGULAR DIMENSIONS (FT) CIRCULAR DIMENSIONS (FT) SQUARE DIMENSIONS (FT) WEIR LENGTH (FT) 2700 771 429 196 BY 313 DIA 278 BY 14 DRAINAGE AREA (ACRES) 45 VOLUME OF STORAGE PER ACRE (CFT) 1800 DESIRED DEPTH (FT) 4 REQUIRED VOLUME (CFT) 8100 REQUIRED AREA (SFT) 2025 RECTANGULAR DIMENSIONS (FT) 318 BY CIRCULAR DIMENSIONS (FT) 508 DIA SQUARE DIMENSIONS (FT) 450 BY WEIR LENGTH (FT) 14 393 278 636 450 ANALIZE USING Q =CIA FOR 10 YEAR STORM USE TRIANGULAR CHANNELS MAXIMUM DRAINAGE AREA (ACRES) 45 WORST CASE C FACTOR 04 RAINFALL INTENSITY (IN /HR) 48 SIDE SLOPES (h v) 3 MANNINGS n 0 025 MINIMUM CHANNEL SLOPE (/) 2 MAXIMUM CHANNEL SLOPE (/) 45 864 CHANNEL DEPTH AT 2 PERCENT SLOPE 0 81 FEET VELOCITY AT 2 PERCENT SLOPE 4 44 FPS CHANNEL DEPTH AT 45 PERCENT SLOPE 0 69 FEET VELOCITY AT 45 PERCENT SLOPE 6 02 FPS MAXIMUM VELOCITY PERMITED FOR BERMUDAGRASS CHANNEL 5 00 FPS MAXIMUM VELOCITY PERMITED FOR TALL FESCUE CHANNEL = 4 50 FPS MAXIMUM VELOCITY PERMITED FOR BAHIAGRASS CHANNEL = 4 50 FPS MAXIMUM VELOCITY PERMITED FOR MIXED LEGUME GRASS CHA 3 50 FPS for a maximum channel slope of 4 5 percent USE RIP RAP LINING FOR CHANNELS 2% TO 4 5% SLOPE FOR 10 YEAR STORM .. MAXIMUM DRAINAGE AREA (ACRES) WORST CASE C FACTOR RAINFALL INTENSITY (IN /HR) SIDE SLOPES (h v) MANNINGS n CHANNELSLOPE( /) BASE WIDTH (FT) TRIAL DEPTH 45 04 48 3 004 2 05 TRIAL AREA FT 2 271 087 TRIAL RADIUS FT 045 TRIAL DISCHARGE CFS 838 864 CHANNEL VELOCITY A 2 PERCENT SLOPE 3 10 FPS CHANNEL DEPTH AT 2 PERCENT SLOPE 087 FT CHANNEL FLOW AT 2 PERCENT SLOPE 8 38 CFS WCAN.W-04M, D R S O MAXIMUM VELOCITY PERMITED FOR BERMUDAGRASS CHANNEL = 5 00 FPS MAXIMUM VELOCITY PERMITED FOR TALL FESCUE CHANNEL = 4 50 FPS MAXIMUM VELOCITY PERMITED FOR BAHIAGRASS CHANNEL = 4 50 FPS MAXIMUM VELOCITY PERMITED FOR MIXED LEGUME GRASS CHANNEL = 3 50 FPS USE RIP RAP LINING FOR CHANNELS OVER 2% SLOPE t .yS. f v!l(9t-ni° ANALIZE USING Q =CIA FOR 10 YEAR STORM USE TRAPEZOIDAL CHANNEL MAXIMUM DRAINAGE AREA (ACRES) WORST CASE C FACTOR RAINFALL INTENSITY (IN/HR) SIDE SLOPES (h v) MANNINGS n CHANNELSLOPE( /) BASE WIDTH (FT) TRIAL DEPTH CHANNEL VELOCITY A 45 PERCENT SLOPE CHANNEL DEPTH AT 45 PERCENT SLOPE CHANNEL FLOW AT 45 PERCENT SLOPE 45 04 48 3 004 45 05 TRIAL AREA FT 2 206 075 TRIAL RADIUS FT 039 TRIAL DISCHARGE CFS 875 864 4 24 FPS 0 75 FT 8 75 CFS .�` MAXIMUM VELOCITY PERMITED FOR BERMUDAGRASS CHANNEL = 5 00 FPS MAXIMUM VELOCITY PERMITED FOR TALL FESCUE CHANNEL = 4 50 FPS MAXIMUM VELOCITY PERMITED FOR BAHIAGRASS CHANNEL = 4 50 FPS MAXIMUM VELOCITY PERMITED FOR MIXED LEGUME GRASS CHANNEL = 3 50 FPS USE RIP RAP LINING FOR CHANNELS OVER 2% SLOPE