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HomeMy WebLinkAboutWPO201400038 Plan - E&S Grading Plan 2015-02-02r� r ■ cn oU> .- }N U 62.0 __....z or o auz o., Cr LU .._.... _...... _....� --- .• .� .1 F- 22 _�. -_.._ ...�w U m O Q ZWzL� o 24 _.__ _ 2 < oo Z LU a � 26 a cu N M_ CD C 0 Q Q E 0 V _........-... 28 �¢ a _ .........................._.. — 630 5 v a-+ QJ (n w3 �, L ..-.......- _...w . <0 — Z LU00 ir W m W 00 0 Ln 3: ------- r_' V w r14.2 LnO 0 3 ... ......... .... _. 60 " CMP _ -- _--' — — — - — — The drawing, design, and digital files relating to this .,-- - project property Y , 6 , — — _ — — — ,— — — — — — — — — — reproduction, copying, or other use of this ld awing -� � without GNPs written consent is prohibited. -- — �,. DRY SWALE—_—_--_--------- w- 32 r r w w O ----- __ mm \\ `\ _. Z 0 Wo0 — _ GRAPHIC ----- _.......... �` — SCALE \\.. �.-�.. \ .. \\\�c \O��\\:\c_ -� \ `�'. \\� \ �e:� \\gig':.' �\\\\\�\\">. .. _ , ti . ................... \ °\ ,...�.-..._...-....... 10 0 10 20 \\OO\\\\\\\\\\\\\\\\\\\\\\\\\\\\O\\\\\\\\\: a 00\\\\\\\O \\ .\�\\\"IM \\ \ w..._.._- \\�\\\\O\\\\ . \ \ q� \\ \\ \\\ ��� � O \\... �.; J \ \\\��\u:\q")...��\\\\..:..aao..v.:.�..��'\,,.�\��\ �\\`�.\�O\���\\\O\\\�\\\\O\.t.�i�xi�S�\O\O\\\\\���.Pa��\\O -.. .. .._ _ � U .�. � � _._ ..-..... _..� �_ _.._.- 1 inch s 10 ft. � \�o Y (MIN.) ... LINING, PER �3 SCHEDULE W TRAPEZOIDAL DITCH SECTION \. Y (MI LINING, PER SCHEDULE W=0 TRIANGULAR DITCH SECTION SCHEDULE NO SCALE GNI-3001 DRAINAGE DITCH O O z 'J w NOTES: D2 O J ACCESS RISER U)� Q MANHOLE SHALL MEET CURRENT REQUIREMENTS OF (SEE DETAIL) > : 2 ASTM C-476 &ASTM A-615. L.L W w TOP OF 12" RISERS m JOINTS SHALL BE SEALED WITH CONSEAL JOINT W Q J ELEV=625.0)0 Q SEALANT, OR EQUAL. 2 LAYERS REQUIRED. � UJ ALL PIPE CONNECTIONS TO DETENTION PIPE SHALL W REMAIN FLEXIBLE AFTER INSTALLATION PER MANUFACTURERS RECOMMENDATIONS. RISER SHALL BIE VOID SPACE UNDER INTERNAL PIPE RISER AND PIPE MANUFACTURED INVERT SHALL BE GROUTED TO PREVENT PONDING. CONNECTED TO BULKHEAID PROVIDE FLEXIBLE BOOT CONNECTIONS. FOR PIPE 12" PIPE TURNED UP' TO SLOPES GREATER THAN 12% THE FLEXIBLE BOOT ACT AS OVERFLOW RISER; 60" PIPE MUST BE CAST IN THE STRUCTURE AT THE ELBOW CONTAINED INSIDE INSIDE PROPOSED PIPE ANGLE. DETENTION (PIPE DIAMETER PIPE TRENCH SHALL BE EXCAVATED A MINIMUM WIDTH OF THE PIPE OUTSIDE DIAMETER PLUS ONE �,i'►LTH OF FOOT TO EITHER SIDE. 9 ORIFICE DEBRIS CAGE BY PLiAST(C ALL JOINTS SHALL BE WATERTIGHT. SOLUTIONS, INC., OR E[Q`_rAL INV=623.75 CONTRACTOR SHALL INSTALL UNDERGROUND 5" ORIFICE � JOH T. NEEL DETENTION FACILITY IN ACCORDANCE WITH INVout=62 DITCH SET PRECAST TOP IN o N BED OF NON -SHRINK CV N �N DESIGNATION W M Y LINING A 0 3 12" B/M TREATMENT 1 B 48" 3 12" B/M TREATMENT 1 SEED NATIVE GRASS INTO ENGINE[ 16120 �111�y�•101 3" LAYER OF PEA I FINISHED GRADE STANDARD 4' DIA. PRECAST FLAT TOP NL ICOMPACTS SUBGRADE FIELDCUT MANWAY TO REQUIRED ELEVATION /- AST IRON FRAME / & COVER ivv JUf1Lti VIVI—J I I J UNDERGROUND DETENTION ACCESS DETAIL NOTES 1. THE PLANTING SOIL USED IN THE DRY SWALE PLANTING AREA IS GENERALLY CLASSIFIED AS A LOAMY SAND ON THE USDA TEXTURE TRIANGLE, WITH THE FOLLOWING COMPOSITION: — 85% TO 88% SAND — 8% TO 12% SOIL FINES; AND — 3% TO 5% ORGANIC MATTER. IT MAY BE ADVISABLE TO START WITH AN OPEN—GRADED COARSE IIIN SAND MATERIAL AND PROPORTIONALLY MIX IN TOPSOIL THAT WILL LIKELY CONTAIN ANYWHERE FROM 30% TO 50% SOIL FINES (SANDY LOAM, LOAMY SAND) TO ACHIEVE THE DESIRED RA110 OF SAND AND FINES. AN ADDITIONAL 3% TO 5% ORGANIC MATTER CAN THEN BE ADDED. 2. THE PLANTING SOIL SHALL BE OF UNIFORM COMPOSITION, FREE OF STONES, STUMPS, ROOTS, OR SIMILAR OBJECTS LARGER THAN ONE INCH, BRUSH, OR ANY OTHER MATERIAL OR SUBSTANCE WHICH MAY BE HARMFUL TO PLAN GROWTH, OR A HINDRANCE TO PLANTINGS. 3. FILTER FABRIC SHALL BE MIRAFI 140N OR ENGINEER APPROVED EQUAL. 4. DRY SWALE SHALL NOT HAVE A LONGITUDINAL SLOPE GREATER THAN 2% (SEE GRADING PLAN FOR SPOT ELEVATIONS). v r�nrvi�ni�.v PVC UNDERDRAIN NO SCALE GNI-32XX DRY SWALE (LEVEL 11) DETAIL FIELDCUT MANWAY TO REQUIRED ELEVATION COMPACTE SUBGRADE SET PRECAST TOP IN BED OF NON—SHRINK GROUT :3 `: fi CAST—IN PLACE CONCRETE COLLAR (2500 PSI MIN) WRAP CORRUGATED STEEL PIPE WITH BUILDING FELT PRIOR I' TO POURING CONCRETE COLLAR i? 30" DIA. (MIN) CORRUGATED STEEL MANWAY I UNDERGROUND DET. DI -1 ACCESS DETAILJ 1.50 MANUFACTURER'S RECOMMENDATIONS. Lic. No. 035780 12" OUTLET 1■��ruunm ' AT •• SHOWN. , • • i�`�.:"+■►" vi'��,i' 1r �i'ii" �i'ii �i.'tw,i "irr"`si" tr iw �; r!r� y'i � IR.a ♦• f:I'� ♦ I• ♦� I� f.+/y a !"� ♦� a !� .iii . / ..I , k'i.� ~♦�.i!'i ��'i.�'�!'ii1!'%.r.�rt.ril�►' �.n ��n +it`rR.��r. �'?#!'.*+►1^ i'tn,,.�.w'ar.+r�,y�..UNDERGROUND-- -DETENTION ORIFICE STRUCTURE (RISER INSIDE PIPE SET PRECAST TOP IN o N BED OF NON -SHRINK CV N �N GROUT 2 N� N N OPENING (D � SIZE (D (D (D 10+00 CAST -IN PLACE STEPS CONCRETE COLLAR (STEEL) N (2500 PSI MIN) WRAP CORRUGATED STEEL PIPE WITH o o BUILDING FELT PRIOR i TO POURING i CONCRETE COLLAR 30" DIA. (MIN) CORRUGATED STEEL MANWAY ivv JUf1Lti VIVI—J I I J UNDERGROUND DETENTION ACCESS DETAIL NOTES 1. THE PLANTING SOIL USED IN THE DRY SWALE PLANTING AREA IS GENERALLY CLASSIFIED AS A LOAMY SAND ON THE USDA TEXTURE TRIANGLE, WITH THE FOLLOWING COMPOSITION: — 85% TO 88% SAND — 8% TO 12% SOIL FINES; AND — 3% TO 5% ORGANIC MATTER. IT MAY BE ADVISABLE TO START WITH AN OPEN—GRADED COARSE IIIN SAND MATERIAL AND PROPORTIONALLY MIX IN TOPSOIL THAT WILL LIKELY CONTAIN ANYWHERE FROM 30% TO 50% SOIL FINES (SANDY LOAM, LOAMY SAND) TO ACHIEVE THE DESIRED RA110 OF SAND AND FINES. AN ADDITIONAL 3% TO 5% ORGANIC MATTER CAN THEN BE ADDED. 2. THE PLANTING SOIL SHALL BE OF UNIFORM COMPOSITION, FREE OF STONES, STUMPS, ROOTS, OR SIMILAR OBJECTS LARGER THAN ONE INCH, BRUSH, OR ANY OTHER MATERIAL OR SUBSTANCE WHICH MAY BE HARMFUL TO PLAN GROWTH, OR A HINDRANCE TO PLANTINGS. 3. FILTER FABRIC SHALL BE MIRAFI 140N OR ENGINEER APPROVED EQUAL. 4. DRY SWALE SHALL NOT HAVE A LONGITUDINAL SLOPE GREATER THAN 2% (SEE GRADING PLAN FOR SPOT ELEVATIONS). v r�nrvi�ni�.v PVC UNDERDRAIN NO SCALE GNI-32XX DRY SWALE (LEVEL 11) DETAIL FIELDCUT MANWAY TO REQUIRED ELEVATION COMPACTE SUBGRADE SET PRECAST TOP IN BED OF NON—SHRINK GROUT :3 `: fi CAST—IN PLACE CONCRETE COLLAR (2500 PSI MIN) WRAP CORRUGATED STEEL PIPE WITH BUILDING FELT PRIOR I' TO POURING CONCRETE COLLAR i? 30" DIA. (MIN) CORRUGATED STEEL MANWAY I UNDERGROUND DET. DI -1 ACCESS DETAILJ 1.50 MANUFACTURER'S RECOMMENDATIONS. Lic. No. 035780 12" OUTLET 1■��ruunm ' AT •• SHOWN. , • • i�`�.:"+■►" vi'��,i' 1r �i'ii" �i'ii �i.'tw,i "irr"`si" tr iw �; r!r� y'i � IR.a ♦• f:I'� ♦ I• ♦� I� f.+/y a !"� ♦� a !� .iii . / ..I , k'i.� ~♦�.i!'i ��'i.�'�!'ii1!'%.r.�rt.ril�►' �.n ��n +it`rR.��r. �'?#!'.*+►1^ i'tn,,.�.w'ar.+r�,y�..UNDERGROUND-- -DETENTION ORIFICE STRUCTURE (RISER INSIDE PIPE STORM B STORM C 10+00 10+50 STORM D 650- 2 :' .... o 64 _.zz� I N 4ZJ��> -m�tnZ 6 3 — �_._...._... n 61 11+0011+03 10+00 HORIZONTAL GRAPHIC SCALE 30 15 0 30 FEET 5.0 0 10 VERTICAL GRAPHIC SCALE ". � N 04 r 0) <D N r 10+50 E1 Co N C M r 10+80 STORM E o� 02/10/1 G Al NO. COMMENTS DATE Q3 OWNER REVISIONS 07/16/2015 ' A I ELEVATION ORIFICE 102/10/2016' MAR 0 01 v I JOHN T. NEEL, PE a a KEVIN D. CONNER, LA z wTES, LHS 0 02/02/2015 1770.3 LO L o N N CV N �N 00 ' SIM N� N N (D � (D1� (D (D (D 10+00 10+50 10+83 10+00 10+50 10+60 STORM B STORM C 10+00 10+50 STORM D 650- 2 :' .... o 64 _.zz� I N 4ZJ��> -m�tnZ 6 3 — �_._...._... n 61 11+0011+03 10+00 HORIZONTAL GRAPHIC SCALE 30 15 0 30 FEET 5.0 0 10 VERTICAL GRAPHIC SCALE ". � N 04 r 0) <D N r 10+50 E1 Co N C M r 10+80 STORM E o� 02/10/1 G Al NO. COMMENTS DATE Q3 OWNER REVISIONS 07/16/2015 ' A I ELEVATION ORIFICE 102/10/2016' MAR 0 01 v I JOHN T. NEEL, PE a a KEVIN D. CONNER, LA z wTES, LHS 0 02/02/2015 1770.3 C� �o 3 7 o Q a 0 U a I(0 rV) vio N O 0 a' rn N N N �o c 0 IL vi rn �� o � J 0)o X Z a� O c U � °) Z w 00 �N io rn Z rnQ c Z 00 RIPRAP SIZE: dao- ?- A ,-;a -,A ( Y' F q.. /v..r> W MIN.)- ado CHANNEL V" r �tiMtl I PIPE OUTLET TO FLAT rY AREA WITH NO DEFINED CHANNEL -;.. 6 PLAN VIEW f.>> La- V CHANNEL 0 X - >T FILTER CLOTH KEY IN 6"-9"; RECOMMENDED FOR ENTIRE SECTION A -A OP La 3do W D5(, d B1 10' 3' 13' 6" 14' D1 12' 3' 15' 6' 14" CULVERT 1&2 9' 3.75' 10.25' 6' 14" NOTES: 1. APRON LINING MAY BE RIPRAP, GROUTED RIPRAP, GA61ON BASKET, OR CONCRETE. 2. La IS THE LENGTH OF THE RIPRAP APRON AS CALCULATED USING PLATES 3.18-3 AND 3.18-4. OP 3. d - 1.5 TIMES THE MAXIMUM STONE DIAMETER, BUT NOT LESS THAN 6 INCHES. INO SCALE CHANNEL OUTLET PROTECTION urce: Va. DSWC Plate 3. RIPRAP SIZE: d50- 6" 3do(MIN.)= 6' 1 1-!1111 ♦IL IT PE OUTLET TO WELL EFINED CHANNEL FILTER CLOTH KEY IN 6"-9"; SECTION A -A d- 9' FOR ENTIRE PERIMETER NOTES: 1. APRON LINING MAY BE RIPRAP, GROUTED RIPRAP, GABION BASKET, OR CONCRETE. 2. La IS THE LENGTH OF THE RIPRAP APRON AS CALCULATED USING PLATES 3.18-3 AND 3.18-4. 3. d - 1.5 TIMES THE MAXIMUM STONE DIAMETER, BUT NOT NO SCALE LESS THAN 6 INCHES. OP1 PIPE OUTLET TO WELL DEFINED CHANNEL Source: Va. DSWC Plate 3.18 - FLOW 1111 Flow FLOW��j�j FLOW SEDIMENT -LADEN RUNOFF AS DEPTH B€LOW TOP OF INLET RE ED MIN. 1 - MAX. 2' ,III -III -III-. ' I - I -III • . J: ' � _ .._il �iu �_ J..�. �.:.� � �-� I; .:L �� • Iris MAX. SLOPE 2 -JI I !- I� I -III -III- III -.I I 11 I- i I -I - 1- ! !TLi-.-a '' e i STORM WATER WITH - I! III -I11- LARGER PARTICLES LARGER PARTICLES II HOLES Q. III_ SETTLE OUT REMOVED j I -I IFOR DEWATERING ,til l DRAIN INLET ;-1I-I I ° ml ° r - ,�, 11- �ir�l�llti=li�l�=1��1(�I�r SPECIFIC APPLICATION THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE HEAVY FLOWS ARE EXPECTED AND WHERE AN OVERFLOW CAPABILITY AND EASE OF IP MAINTENANCE ARE DESIRABLE. NO SCALE EXCAVATED DI SEDIMENT TRAP o NO SOURCE: MICHIGAN SOIL EROSION AND SEDIMENT Of CONTROL GUIDEBOOK, 1975, AND USDA -SCS xw PLATE 3.07-4 70' MIN. 1 FILTER CLOTK 6" MN. Al SIDE ELEVATION EXISTING PAVEMENT 5:1 MOUNTABLE BERM (OPTIONAL) GROUND • RAZ,ti • " • •.�g�;.�;.�;.fir In in 1 OIAIN. EXISTING PAVEMENT 1• •• DRAINAGE•. • COURSETO SEDIMENT EXTENDMUST FULL WIDTH TRAPPING DEVICE OF OPERATION IN. IN. SECTION A -A OURCE ADAPTED from .1983 Maryland Standards for Soil erosion and Sediment Control, and Va. DSWC Plate 3.02-1 S(URCE: Adams from Installation of Straw and Fabric Filter Barriers for Sediment Contrd,VA DSWC Sherwood and Wyant The Virginia Stream Restoration & Stabilization Best Management Practices Guide DETAIL 5.1: PUMP -AROUND PRACTICE IExisting Sediment Trap On Site Diversion Pump Discharge Hoses r P Intake Dewatering Pump Hose P Jas needed) Flow LFlow -•� Work Area -�-5- Sandbag/Stone Barrier Work Area Sump -hole Discharge Pump Pump to be Monitored Or Pool Into 6" d-50 Continuously During the 12" Min Depth Outlet Construction Period 2' Min Diameter Protection PLAN Sheeting 3' Base Flow + 1 Foot Work Area (2 Foot Minimum) i i Cross Section Of 6" d-50 Riprap/Stone Diversion SECTION A -A Adapted From Maryland's Waterway Construction Gud'lelines USC TEMPORARY INSTREAM DECEMBER 2003 VIRGINIA DEPARTMENT OF CONSERVATION RECREATION CONSTIRUCTION MEASURES 1. SENOTEDIMENT TRAP 5 LENGTH AND WIDTH SHALL BE A MINVIMUM OF THE DIMENSIONS LISTED IN TABLE, BUT MAY BE EXPANDED TO TAKE THE SHAPE OF THE BIORETENTION AREA. 2. THE MAXIMUM EXCAVATION DEPTH AT THE CONSTRUCT110N STAGE MUST BE AT LEAST 1 FOOT ABOVE THE POST- CON STRtUCTION INSTALLATION. 3. THE UNDERDRAIN SHALL BE INSTALLED AS PART OF TFHE SEDIMENT TRAP. 4. WHEN CONVERTING TRAP TO BIORETENTION, CONTRACT(OR SHALL: A. ENSURE AREAS UPGRADIENT OF BIORETENTION ARE: STABILIZED B. DEWATER TRAP PRIOR TO EXCAVATION TO FINAL BlIORETENTION EXCAVATED FLOOR ELEVATION. C. CLEANOUT DEBRIS FROM BASIN AND FLUSH ANY SEEDIMENT OUT OF UNDERDRAIN. D. FOLLOW OTHER BIORETENTION INSTALLATION INSTRWCTIONS LISTED IN THE C3 SERIES. EXCAVATED SEDIMENT TRAP FINAL BIORETENTION FLOOR ELEVATION = 628.0 EXCAVATED FLOOR ELEVATION = 626.5 NO SCALE SEDIMENT TRAP CONVERSION TO B10 --RETENTION FILTER �, `W-00 T CORRECT TRUNK ARMORING "0 TRIANGULAR BOARD FENCE TP NO SCALE TREE PRESERVATION OPTION puT• 3,05-2 Source: Va. DSCW Plate 3.38-2 2 X 4" WOOD FRAME DROP INLET WITH GRATE T 1.5' MAX_ - FRAME I ATHER EXCESS UAT CORNERS PERSPECTIVE VIEWS STAKE I FABRI L,,...LL=. 1' MIN. it Jill -� t� I ELEVATION OF STAKE AND FABRIC ORIENTATION DETAIL A SPECIFIC APPLICATION THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE THE INLET DRAINS A RELATIVELY FLAT AREA (SLOPE NO GREATER THAN 5X) WHERE THE INLET SHEET OR OVERLAND FLOWS (NOT EXCEEDING 1 C.F.S.) ARE TYPICAL. THE METHOD SHALL NOT APPLY TO INLETS RECEIVING CONCENTRATED FLOWS, SUCH AS IP IN STREET OR HIGHWAY MEDIANS. SILT FENCE DROP INLET PROTECTION CE: NI.C. Erosion and Sediment Contrd Planning and Design Manual, 1988 PLATE 3.07-1 SILT FENCE CULVERT INLET PROTECTION 7 NDWALL SOURCE: AIDAPTiD from VDOT Standard Sheets and Va. DSWC PLATE. 3.08-1 1091 GRATE IH=6. ' 8" SCH 40 CONNECTION 10"X8" PROVIDE WATERTIGHT ADAPTERS FOR SCHEDULE 40 PIPE NO SCALE NYLOPLAST INLINE DRAIN 10"X8" APPROVED: DEPARTMENT OF COMMUNITY DEVELOPMENT 'rte �Z r U w Z �N LULU W z;� M a � LL, O Q U z .� o z g + E Q Ul do -a .L z �� Tm�-0 Q W C dA r, r-, (n M V w SOD n d0 tw p 3 N r0 3 Ln ai n .. Q L O w L -r- m E r U a- U_ w The drawing, design, and digital files relating to this project are the property of Gay and Neel, Inc. The reproduction, copying, or other use of this drawing without GNI's written consent is prohibited. Z V J Z ^� l..L 0F_ Z W 075; Un z0 O �' W VJ I..L W W Q 2W W F- U) TH U OHN T. NEEL Lic. No. 035780 �'�0 002110/1 G 4, �1.1710NAL e3l Eq '.I z 0 W J W M J Q NO. I COMMENTS I DATE A I OWNER REVISIONS U JOHN T. NEEL, PE 07/16/2015 a KEVIN D. CONNER, LA TES, LHS U-1 0 02/02/2015 1770.3 C5-03 M U Q Ii 0 0- 0 H 7 0 0- CL v I� 0 N_ O N rn N N 0 , - _ ..._ _._ : • U � O w M _ \ rN 520 _. _ Z �w Lu _..._ - ,... foo LU LU 22 24 ZWv O ...............Ji Z F V rj r _. 26 � o_ °D � E a) E Ov 28 ..� z o '- c _ z Z �' (n Wi 3Lji o n. - -w -- Z � ..� Z � bA � - — — — — — — — rl bn m __. _ ...... ........ _ ._._._ ............_......_.. .._. _...._ . _...._. _. – — — — — _ — _ — — — — pip bA ............... _ ■ (� w � 00 ■ — ......... ... N _ --------- — _ ... 6 CMP IFE1 — — _ — — — _ _ U- w __ 60" CMP _--_— ___----- _ it — _ The drawing, design,an digitalfiles relating to th is —— - - - - — _ p .,...' — protect are the property of Gay and Neel, Inc The D3 _— — — — —— �Q reproduction, copying or other use of this drawing — " without GNI's written consent is prohibited. — — — — — a _ . • DRY SWALE a 777 j - - - - m �-- 34 Q _..._ \\........ \ \\\\\\\\\\\\O\\\\\\11 5 z CD „^ - - - GRAPHIC SCA ----- LE 75 _ - 1 0 10 20 \\\ 00001000N, \\ m, \ \\ 0 gpmmmm mm z, „ \.............. . (� ��� __ ..__ „ ...._- - - - 1 Inch 10 fL02 U LL _.... DITCH f Elm FIELDCUT MAMWAY TO PRECAST FLAT TOP SET PRECAST TOP IN \\\\ Y (MIN.) >� W LINING, PER Y SCHEDULE A 0 3 12" B/M TREATMENT 1 B 48" 3 12" B/M TREATMENT 1 W B1 N TRAPEZOIDAL DITCH SECTION WRAP CORRUGATED ° a STEEL PIPE WITH NYI\Yll 41'6 BUILDING FELT PRIOR Y (MI •����\ ��� f ` �' �� LINING, PER CONCRETE COLLAR SCHEDULE N z►�-SS STEEL PIPE WITH W=0 BUILDING FELT PRIOR TRIANGULAR DITCH SECTION SCHEDULE STEEL MANWAY SUBGR DED/­�' SUBGRADE ° CONCRETE COLLAR (n 0 N PIPE TRENCH SHALL BE EXCAVATED A MINIMUM 6 3 .... 0 z .. NO SCALE GNI-3001 DRAINAGE DITCH DITCH f Elm FIELDCUT MAMWAY TO PRECAST FLAT TOP SET PRECAST TOP IN REQUIRED ELEVATION DESIGNATION W M Y LINING A 0 3 12" B/M TREATMENT 1 B 48" 3 12" B/M TREATMENT 1 SEED NATIVE GRASS INTO ENGINE[ 3:1 SIDE SLOPE' 3" LAYER OF PEA FIELDCUT MANWAY TO REQUIRED ELEVATION AST IRON FRAME FINISHED GRADE //-I AST � / &COVER STANDARD 4' DIA. FIELDCUT MAMWAY TO PRECAST FLAT TOP SET PRECAST TOP IN REQUIRED ELEVATION BED OF NON -SHRINK z GROUT 2 STANDARD 4' DIA. x OPENING SET PRECAST TOP IN SIZE .. BED OF NON -SHRINK CAST -IN PLACE 18" STEPS CONCRETE COLLAR (STEEL) (2500 PSI MIN) Ogg ��+ap B1 N NOS^, 0 WRAP CORRUGATED ° a STEEL PIPE WITH I ,E BUILDING FELT PRIOR � I TO POURING �� N CONCRETE COLLAR ..- E I < N z►�-SS STEEL PIPE WITH 30" DIA. (MIN) BUILDING FELT PRIOR C4 (n COMPACORRUGATED STEEL MANWAY SUBGR DED/­�' SUBGRADE ° IVV JnLL VIVI-J I I J UNDERGROUND DETENTION ACCESS DETAIL NOTES: 1. THE PLANTING SOIL USED IN THE DRY SWALE PLANTING AREA IS GENERALLY CLASSIFIED AS A LOAMY SAND ON THE USDA TEXTURE TRIANGLE, WITH THE FOLLOWING COMPOSITION: - 85% TO 88% SAND - 8% TO 12% SOIL FINES; AND - 3% TO 5% ORGANIC MATTER. IT MAY BE ADVISABLE TO START WITH AN OPEN -GRADED COARSE IIN SAND MATERIAL AND PROPORTIONALLY MIX IN TOPSOIL THAT WILL LIKELY CONTAIN ANYWHERE FROM 30% TO 50% SOIL FINES (SANDY LOAM, LOAMY SAND) TO ACHIEVE THE DESIRED RATIO OF SAND AND FINES. AN ADDITIONAL 3% TO 5% ORGANIC MATTER CAN THEN BE ADDED. 2. THE PLANTING SOIL SHALL BE OF UNIFORM COMPOSITION, FREE OF STONES, STUMPS, ROOTS, OR SIMILAR OBJECTS LARGER THAN ONE INCH, BRUSH, OR ANY OTHER MATERIAL OR SUBSTANCE WHICH MAY BE HARMFUL TO PLAN GROWTH, OR A HINDRANCE TO PLANTINGS. 3. FILTER FABRIC SHALL BE MIRAFI 140N OR ENGINEER APPROVED EQUAL. 4. DRY SWALE SHALL NOT HAVE A LONGITUDINAL SLOPE GREATER THAN 2% (SEE GRADING PLAN FOR SPOT ELEVATIONS). U rCrllr vr[H I GU PVC UNDERDRAIN NO SCALE GNI-32XX DRY SWALE (LEVEL 11) DETAIL IVV OUMLIL VIVI—JI IJ UNDERGROUND DET. Dd-1 ACCESS DETAIL FIELDCUT MAMWAY TO ACCESS RISER (SEE DETAIL) 65 REQUIRED ELEVATION FINISHED GRADE D2 650 STANDARD 4' DIA. B2 ,� M .. m SET PRECAST TOP IN PRECAST DI -1 .. BED OF NON -SHRINK z .4 ALL PIPE CONNECTIONS TO DETENTION PIPE SHALL GROUT CN — Ogg ��+ap B1 N NOS^, 0 CAST -IN PLACE 18" STEPS- � CONCRETE COLLAR <� N N (STEEL) (2500 PSI MIN) �� N INVERT SHALL BE GROUTED TO PREVENT PONDING. CONNECTED TO BULKHEAE) WRAP CORRUGATED N z►�-SS STEEL PIPE WITH ZmZm� W BUILDING FELT PRIOR C4 (n MUST BE CAST IN THE STRUCTURE AT THE ELBOW CONTAINED INSIDE TO POURING INSIDE ° CONCRETE COLLAR (n 0 N PIPE TRENCH SHALL BE EXCAVATED A MINIMUM 6 3 .... 0 z .. 30" DIA. (MIN) FOOT TO EITHER SIDE. DEBRIS CAGE BY PLASTIC CORRUGATED COMPACTED-/' OMPACTED ALL JOINTS SHALL BE WATERTIGHT. SOLUTIONS, INC., OR EQUAL STEEL MANWAY SUBGRADE 43.45 LF IVV OUMLIL VIVI—JI IJ UNDERGROUND DET. Dd-1 ACCESS DETAIL NOTES D2 MANHOLE SHALL MEET CURRENT REQUIREMENTS OF E E m0 \ ACCESS RISER (SEE DETAIL) 65 66 f 60 TOP OF 12" RISEER 650 ...... B2 ,� M .. m BJ3 .. _. m ciiii N .. g z ALL PIPE CONNECTIONS TO DETENTION PIPE SHALL �' REMAIN FLEXIBLE AFTER INSTALLATION PER Ogg ��+ap B1 N NOS^, 0 d 88 10+00 m OT too C4 • m <� N 64 F �� N INVERT SHALL BE GROUTED TO PREVENT PONDING. CONNECTED TO BULKHEAE) N z►�-SS aO >� ZmZm� W D(nzz Z C4 (n MUST BE CAST IN THE STRUCTURE AT THE ELBOW CONTAINED INSIDE �+m INSIDE PROPOSED PIPE ANGLE. DETENTION PIPE (n 0 N PIPE TRENCH SHALL BE EXCAVATED A MINIMUM 6 3 .... 0 z .. FOOT TO EITHER SIDE. DEBRIS CAGE BY PLASTIC (n - 9" ORIFICE ALL JOINTS SHALL BE WATERTIGHT. SOLUTIONS, INC., OR EQUAL INV=623.75 43.45 LF DETENTION FACILITY IN ACCORDANCE WITH INVout=621.50 12 In HDPE MANUFACTURER'S RECOMMENDATIONS. O 1.00% 6.2 32.88 LF _ 12 In HDPE 0 1.36% NOTES D2 MANHOLE SHALL MEET CURRENT REQUIREMENTS OF E E m0 \ ACCESS RISER (SEE DETAIL) 65 ASTM C-476 & ASTM A-615. f 60 TOP OF 12" RISEER RIO C-4 Mr- � N JOINTS SHALL BE SEALED WITH CONSEAL JOINT ELEV=625.010 m ciiii N SEALANT, OR EQUAL. 2 LAYERS REQUIRED. v 6 4 ALL PIPE CONNECTIONS TO DETENTION PIPE SHALL �' REMAIN FLEXIBLE AFTER INSTALLATION PER Ogg ��+ap MANUFACTURERS RECOMMENDATIONS. cs N 10+00 RISER SHALL BEE 1041-83 10+00 VOID SPACE UNDER INTERNAL PIPE RISER AND PIPE MANUFACTUREED ZH> 5 (N Z 63.......;_ INVERT SHALL BE GROUTED TO PREVENT PONDING. CONNECTED TO BULKHEAE) PROVIDE FLEXIBLE BOOT CONNECTIONS. FOR PIPE 12" PIPE TURNED UP TO SLOPES GREATER THAN 12% THE FLEXIBLE BOOT ACT AS OVERFLOW RISER; " 6I PIPE MUST BE CAST IN THE STRUCTURE AT THE ELBOW CONTAINED INSIDE INSIDE PROPOSED PIPE ANGLE. DETENTION PIPE DIAMETER PIPE TRENCH SHALL BE EXCAVATED A MINIMUM WIDTH OF THE PIPE OUTSIDE DIAMETER PLUS ONE FOOT TO EITHER SIDE. DEBRIS CAGE BY PLASTIC 9" ORIFICE ALL JOINTS SHALL BE WATERTIGHT. SOLUTIONS, INC., OR EQUAL INV=623.75 CONTRACTOR SHALL INSTALL UNDERGROUND 5" ORIIFICE DETENTION FACILITY IN ACCORDANCE WITH INVout=621.50 MANUFACTURER'S RECOMMENDATIONS. 12" OUTLET AT OP SON PLANS HOWN • ��7iti�♦ !+#�R► •yK •�► .�! Est .Rf ♦�* irk •r♦ •ty .�F :� ♦ ��.:. ♦�`+".Mx�r'��I�:'�f">Mlln��!Ir� M.'�r*:M��� �I!��I��1•ME* y�jM,��MwY!'� MI��MYI�� M1Rr��� i�.,'. %�+r�!•...►#.!+.,n�w a�!"+,•c+t �"+�..�.^ ��i"•w�!� �.�!+i.►'a!"E►�a�+�,,.'11r+►�!" ��!�+�.ril!'a..i�...SCALEUNDERGROUND DETENTION ORIFICE STRUCTURE (RISER INSIDE PIPJ B2 E E m0 \ 65 �. .........1 �, ...... _. .._ C1 f 60 (ry RIO C-4 Mr- � N ln �p m ciiii N 04 in 0 CD N m v 6 4 s N m N N �' O�ZZ Z Ogg ��+ap (o cs N 10+00 10+50 1041-83 10+00 10+50 ZH> 5 (N Z 63.......;_ -.. � 61 61 f 60 �� �n � RIO C-4 Mr- � N O (0 N to ciiii N 00 r 0i 0 03 0i (p (o (o (0 10+00 10+50 1041-83 10+00 10+50 10+60 STORM B STORM C 10+00 10+50 STORM D rl n. 61 F02 Z .00 LF In CMI N � N W N E1 12 - Ito (04 N (0 � co 11+0011+03 10+00 10+50 10+80 HORIZONTAL GRAPHIC SCALE 30 15 0 30 STORM E FEET 5.0 0 10 VERTICAL GRAPHIC SCALE TH OF O� l� � JOH T. NEEL " Lic. No. 035780 10 02110/1 C, ONAL NO. COMMENTS DATE Q3 OWNER REVISIONS 07/16/2015 R I N1 T"ID 0 MAR 02 20 A 5STORMWATER ORIFICE 02/10/2016 ELEVATION a I JOHN T. NEEL, PE � KEVIN D. CONNER, LA a z V) TES, LHS 0 02/02/2015 1770.3 BMP GRADING DETAILS 2 1 C3-05 —VJ TH OF O� l� � JOH T. NEEL " Lic. No. 035780 10 02110/1 C, ONAL NO. COMMENTS DATE Q3 OWNER REVISIONS 07/16/2015 R I N1 T"ID 0 MAR 02 20 A 5STORMWATER ORIFICE 02/10/2016 ELEVATION a I JOHN T. NEEL, PE � KEVIN D. CONNER, LA a z V) TES, LHS 0 02/02/2015 1770.3 BMP GRADING DETAILS 2 1 C3-05 o 0 Z rn¢ c Z 00 3.0 RIPRAP SIZE' dao- Y" A <r ,A � t W (MIN.) - 3d .0 MIN.)= CHANNEL --� PIPE OUTLET TO FLAT AREA WITH NO DEFINED CHANNEL , PLAN VIEW La- V CHANNEL _ 0 Xy d- �. FILTER CLOTH KEY IN 6"-9"; RECOMMENDED FOR ENTIRE SECTION A -A OP La 3do W D50 d B1 10' 3' 13' 6" 14" D1 12' 3' 15' 6" 14" CULVERT 1&2 9' 3.75' 10.25' 6" 14" NOTES: 1. APRON LINING MAY BE RIPRAP, (GOURD KIrKAr, UAMIUN BASKET, OR CONCRETE. 2. La IS THE LENGTH OF THE RIPRAP APRON AS CALCULATED USING PLATES 3.18-3 AND 3.18-4. OP 3. d = 1.5 TIMES THE MAXIMUM STONE DIAMETER, BUT NOT LESS THAN 6 INCHES. NO SCALE CHANNEL OUTLET PROTECTION urce: Va. DSWC RIPRAP SIZE: dsa- 6" 3do(MIN.)= 6' FL.nr'q vrL-n GLOTtIr 6" MIN. Al SIDE ELEVATION COURSE AGGREGATE 9 TO SEDIMENT v TRAPPING DEVICE * MUST EXTEND FULL WIDTH OF INGRESS AND EGRESS PLAN VIEW OPERATION ^' FILTER _ EXISTING PAVEMENT 5:1 MOUNTABLE BERM (OPTIONAL) 110, MIN. EXISTING PAVEMENT 10' MIN. N. IN. (WITHOUT WIRE SUPPORT) 1. SET THE STAKES. 2. EXCAVATE A 4"X 4" TRENCH UPSLOPE ALONG THE LINE OF STAKES. 6'M FLOW / _4 4" 3. STAPLE FILTER MATERIAL 4. BACKFILL AND COMPACT TO STAKES AND EXTEND THE EXCAVATED SOIL. IT INTO THE TRENCH. SECTION A -A 6'-7- Plate 3.18-1 SOURCE. AD<g'f1D from) 1983 Maryland Standards for Soil erosion and Sediment Control, and Va. DSWC IPE OUTLET TO WELL EFINED CHANNEL 0 % -� FILTER CLOTH KEY IN 6"-9"; RECOMMENDED FOR ENTIRE PERIMETER SECTION A -A NOTES: 1. APRON LINING MAY BE RIPRAP, GROUTED RIPRAP, GABION BASKET, OR CONCRETE. 2. La IS THE LENGTH OF THE RIPRAP APRON AS CALCULATED USING PLATES 3.18-3 AND 3.18-4. 3. d - 1.5 TIMES THE MAXIMUM STONE DIAMETER, BUT NOT NO SCALE LESS THAN 6 INCHES. 8 PIPE OUTLET TO WELL DEFINED CHANNEL Source: Va. DSWC Plate 3.18 - FLOW FLOW ''`moi � FLOW, j�,��1 \�~ Of %, FLOW SEDIMENT -LADEN RUNOFF AS DEPTH B€L.OW TOP OF INLET RE RED MIN. 1- MAX. 2' • • ::.' .: -----tip -III--I I l --I I i-. • ' I . L � I - .-I i_i-: -III �i 11.--f ' �I 1 -III -III ' . �• :I, .�',�,: J`.�. � `�: � . ;,I,'� .'�..,1.. ' -! I IAF L�' r MAX. SLOPE 2! MH STORM WATER HATH I = II 4 II- LARGER PARTICLES LARGER PARTICLESI I Il HOLES I SETTLE OUT REMOVED I l Ip� DEWARRIN III SII DRAIN INLET_-- 1 111-1 L11--1 I1 I I I 1J1H] I I_ � 1 �1' _III 1 IT rI TNI l :lam It l> I Ib l Ir i SPECIFIC APPLICATION THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE HEAVY FLOWS ARE EXPECTED AND WHERE AN OVERFLOW CAPABILITY AND EASE OF IP MAINTENANCE ARE DESIRABLE. NO SCALE EXCAVATED DI SEDIMENT TRAP L_ ON SOURCE: MICHIGAN SOIL EROSION AND SEDIMENT CONTROL GUIDEBOOK, 1975, AND USDA -SCS xw PLATE 3.07-4 Plate 3.02-1 SOURCE: Maw from Installation of Stmw and Fabric Filter Barrin for Sediment Conird,VA DSWC %wwoad and Wyant The Virginia Stream Restoration & Stabilization Best Management Practices Guide DETAIL 5.1: PUMP -AROUND PRACTICE Existing Sediment Trap On Site; Diversion Pump Discharge Hoses P Intake Dewatering Pump Hose P (as .needed) A A' Flow Flow -�-r- Work Area -�-� Sandbag/Stone Barrier Work Area Sump -hole Discharge Pump Pump to be Monitored Or Pool Into 6" d-50 Continuously During the 12" Min Depth Outlet Construction Period 2' Min Diameter Protection PLAN Sheeting 3' Base Flow + 1 Foot Work Area (2 Foot Minimum) Cross Section Of 6" d-50 Riprap/Stone Diversion SECTION A -A Adapted From Maryland's Waterway Construction Gudielines USC TEMPORARY INSTREAM MEASURES CONSTRUCTION MEASURES DECEMBER 2003 VIRGINIA DEPARTMENT OF CONSERVATION RECREATION 1. SEDIMENT TRAP 5 LENGTH AND WIDTH SHALL BE A MIUNIMUM OF THE DIMENSIONS LISTED IN TABLE, BUT MAY BE EXPANDEDI TO TAKE THE SHAPE OF THE BIORETENTION AREA. 2. THE MAXIMUM EXCAVATION DEPTH AT THE CONSTRUCTII STAGE MUST BE AT LEAST 1 FOOT ABOVE THE POST -CONSTRUCTION INSTALLATION. 3. THE UNDERDRAIN SHALL BE INSTALLED AS PART OF TfHE SEDIMENT TRAP. 4. WHEN CONVERTING TRAP TO BIORETENTION, CONTRACTfOR SHALL: A. ENSURE AREAS UPGRADIENT OF BIORETENTION ARE STABILIZED B. DEWATER TRAP PRIOR TO EXCAVATION TO FINAL B31ORETENTION EXCAVATED FLOOR ELEVATION. C. CLEANOUT DEBRIS FROM BASIN AND FLUSH ANY S;EDIMENT OUT OF UNDERDRAIN. D. FOLLOW OTHER BIORETEN11ON INSTALLATION INSTRI ICTIONS LISTED IN THE C3 SERIES. \-EXCAVATED SEDIMENT TRAP FINAL BIORETENTION FLOOR ELEVATION = 628.0 EXCAVATED FLOOR ELEVATION = 626.5 NO SCALE SEDIMENT TRAP CONVERSION TO B10 -RETENTION FILTER I Z DRIP LINE SNOW FENCE -L BOARD I \ L raM �•■ CORRECT TRUNK ARMORING "M TP TRIANGULAR BOARD FENCE NO SCALE TREE PRESERVATION OPTION PLATE 3,05-2 Source: Va. DSCW Plate 3.38-2 2 X 4" WOOD FRAME DROP INLET T WITH GRATE 1.5' MAX. FRAME HIM I I I I ATHER EXCESS UI I AT CORNERS PERSPECTIVE VIEWS STAKE I FABRI 1 MIN. ---- ELEVATION OF STAKE AND t� FABRIC ORIENTATION DETAIL A SPECIFIC APPLICATION THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE THE INLET DRAINS A RELATIVELY FLAT AREA (SLOPE NO GREATER THAN 5X) WHERE THE INLET SHEET OR OVERLAND FLOWS (NOT EXCEEDING 1 C.F.S.) ARE TYPICAL THE METHOD SHALL NOT APPLY TO INLETS RECEIVING CONCENTRATED FLOWS, SUCH AS IP IN STREET OR HIGHWAY MEDIANS. SILT FENCE DROP INLET PROTECTION CE: IN.C. Erosion and Sediment Control Planning and Design Manual, 1988 PLATE 3.07-1 SILT FENCE CULVERT INLET PROTECTION NDWALL SOURCE #DAPTED from WOT Standard Sheets and Va. DSWC PLATE. 3.08-1 10 GRATE IH=6. ' �/ 8" SCH 40 CONNECTION 10"X8" PROVIDE WATERTIGHT ADAPTERS FOR SCHEDULE 40 PIPE NO SCALE NYLOPLAST INLINE DRAIN 10"X8" APPROVED: DEPARTMENT OF COMMUNITY DEVELOPMENT r }�' z Y V W .. Z�� ■! Q�wets G WUJ W _ a i Z u �+ N o z a) E Z g " ° Q * cn Eb r' v z O�m Q w i�UJ ``" aA (D z a=te � to w d0 °0 m p Tb ck� In a L_ > U aLL w� The drawing, design, and digital files relating to this project are the property of Gay and Neel, Inc. The reproduction, copying, or other use of this drawing without GNI's written consent is prohibited. Z VJ Z � a. 0F_ Z W 0:2 U� Z 0 OJ VJ UJ L.L W UJ C) 2i W W [-- U) ATH OF i ZOHN T. NEEL s Lic. No. 035780 OA 0 2110/1 G A0NAL GI IOU IY I - Z 0 Ld J LLI M J Q NO. COMMENTS DATE © I OWNER REVISIONS v JOHN T. NEEL, PE 07/16/2015 1770.3 EROSION AND SEDIMENT CONTROL DETAILS ` ° a ANSWER C5-03 M U a LL 0 D- 0 f- 7 0 Q a- (0 0 v r 0 N_ (D O N rn N N O N J f— w U Z 0 C a m 0 m U _o X 618- 0 _. .. W 0 • > .a N W. 620 z 620 op i..F..i LIJ 22 _ ._ __..".._ _.__. ._....._ 24 _ „_ QN w.Lu u z Q _.._ 000 26 w -j 0 � +� N aw " Cu D1 28 — _.._ — — (n L — z — Z 00 N > ■ — — — — „.... — — 50 „..� z - - ` r �••� ■- - r'I _ _ - - w � - ---- r __--------- 3 \ Y ✓F :.' '\\T LINING, PER SCHEDULE „\ W TRAPEZOIDAL DITCH SECTION q - Y (MI \� \\ LINING, PER SCHEDULE 0 W=0 TRIANGULAR DITCH SECTION SCHEDULE NO SCALE GNI-3001 DRAINAGE DITCH DITCH 660-- � �'N t DESIGNATION W M Y LINING A 0 3 \ \\ \ \ \\ \\ \ \ :a� .:........ aa. \\\C 2�.....\.:...a\.\�.�. ..\\. �. \ �\,mmommmummumms B 0 _ ....._ .....1111N\__ ......_ -._ \ Y ✓F :.' '\\T LINING, PER SCHEDULE „\ W TRAPEZOIDAL DITCH SECTION q - Y (MI \� \\ LINING, PER SCHEDULE 0 W=0 TRIANGULAR DITCH SECTION SCHEDULE NO SCALE GNI-3001 DRAINAGE DITCH DITCH 660-- � �'N t DESIGNATION W M Y LINING A 0 3 12" B/M TREATMENT 1 B 48" 3 12" B/M TREATMENT 1 SEED NATIVE GRASS INTO ENGINEE 3:1 SIDE SLOPE' 3" LAYER OF PEA I FINISHED GRADE STANDARD 4' DIA. PRECAST FLAT TOP N� 18» COMPACTE SUBGRADE FIELDCUT MANWAY TO REQUIRED ELEVATION CAST IRON FRAME & COVER \\ \'N o r \ \\ \ \ \\ .\ \\ \\ \< \ o\ . \\ (� \.RM SET PRECAST TOP IN E BED OF NON -SHRINK GROUT 2 _ OPENING SIZE CAST -IN PLACE STEPS CONCRETE COLLAR (STEEL) N (2500 PSI MIN) WRAP CORRUGATED STEEL PIPE WITH BUILDING FELT PRIOR TO POURING as CONCRETE COLLAR 30" DIA. (MIN) CORRUGATED STEEL MANWAY INV 0�.r��� hlN l—J I I J UNDERGROUND DETENTION ACCESS DETAIL NOTES: 1. THE PLANTING SOIL USED IN THE DRY SWALE PLANTING AREA IS GENERALLY CLASSIFIED AS A LOAMY SAND ON THE USDA TEXTURE TRIANGLE, WITH THE FOLLOWING COMPOSITION: - 85% TO 88% SAND - 8% TO 12% SOIL FINES; AND - 3% TO 5% ORGANIC MATTER. IT MAY BE ADVISABLE TO START WITH AN OPEN -GRADED COARSE IIN SAND MATERIAL AND PROPORTIONALLY MIX IN TOPSOIL THAT WILL LIKELY CONTAIN ANYWHERE FROM 30% TO 50% SOIL FINES (SANDY LOAM, LOAMY SAND) TO ACHIEVE THE DESIRED RATIO OF SAND AND FINES. AN ADDITIONAL 3% TO 5% ORGANIC MATTER CAN THEN BE ADDED. 2. THE PLANTING SOIL SHALL BE OF UNIFORM COMPOSITION, FREE OF STONES, STUMPS, ROOTS, OR SIMILAR OBJECTS LARGER THAN ONE INCH, BRUSH, OR ANY OTHER MATERIAL OR SUBSTANCE WHICH MAY BE HARMFUL TO PLAN GROWTH, OR A HINDRANCE TO PLANTINGS. 3. FILTER FABRIC SHALL BE MIRAFI 140N OR ENGINEER APPROVED EQUAL. 4. DRY SWALE SHALL NOT HAVE A LONGITUDINAL SLOPE GREATER THAN 2% (SEE GRADING PLAN FOR SPOT ELEVATIONS). V rGRF VF\m ICU PVC UNDERDRAIN NO SCALE GNI-32XX DRY SWALE (LEVEL 1;) DETAIL FINISHED GRADE ICOMPACTE SUBGRADE -FIELDCUT MAN"AY TO REQUIRED ELEWATION D2 .4� 'j — — —. STEPS ;N (STEEL) SET PRECAST TOP IN BED OF NON -SHRINK GROUT I -CAST-IN PLACE CONCRETE COLLAR (2500 PSI MIN) WRAP CORRUGATED STEEL PIPE WITH BUILDING FELT PRIOR TO POURING CONCRETE COLLAR 30" DIA. (MIN) CORRUGATED STEEL MANWAY I UNDERGROUND DET. DI -1 ACCESS DETAIL � 61 - - - - GRAPHIC SCALE 10 0 10 20 \ 1 inch 10 ft. NOTES: El ACCESS RISER MANHOLE SHALL MEET CURRENT REQUIREMENTS OF (SEE DETAIL) ASTM C-476 &ASTM A-615. TOP OF 12" RISER; JOINTS SHALL BE SEALED WITH CONSEAL JOINT ELEV=625.001 SEALANT, OR EQUAL. 2 LAYERS REQUIRED. ALL PIPE CONNECTIONS TO DETENTION PIPE SHALL REMAIN FLEXIBLE AFTER INSTALLATION PER MANUFACTURERS RECOMMENDATIONS. RISER SHALL BE VOID SPACE UNDER INTERNAL PIPE RISER AND PIPE MANUFACTURED INVERT SHALL BE GROUTED TO PREVENT PONDING. CONNECTED TO BULKHEAD PROVIDE FLEXIBLE BOOT CONNECTIONS. FOR PIPE 12" PIPE TURNED UP TO SLOPES GREATER THAN 12% THE FLEXIBLE BOOT ACT AS OVERFLOW RISER; 60" PIPE MUST BE CAST IN THE STRUCTURE AT THE ELBOW CONTAINED INSImE INSIDE PROPOSED PIPE ANGLE. DETENTION PIfPE DIAMETER PIPE TRENCH SHALL BE EXCAVATED A MINIMUM WIDTH OF THE PIPE OUTSIDE DIAMETER PLUS ONE FOOT TO EITHER SIDE. DEBRIS CAGE BY PLASTIC 9" ORIFICE ALL JOINTS SHALL BE WATERTIGHT. SOLUTIONS, INC., OR EQIUAL INV=623.75 CONTRACTOR SHALL INSTALL UNDERGROUND 5" ORIFICE DETENTION FACILITY IN ACCORDANCE WITH INVout=621.50 MANUFACTURER'S RECOMMENDATIONS. 660-- � �'N t 1 i� 65 —. I , 650-- 5 D2 00 N B2 r i °° B31 N m I CO w J CO / '0 E1 fZ Ld r .�..:.. v : _. 3 ..._..... hbo N o N� iz o 30 15 ° 30 B1 C4 FEET o�m ° � E Im $ i �$ri$ Cd — VERTICAL GRAPHIC SCALE 08 to C4 C4 Mol tN0 oi 04 U GOO M m W m 64 63 _Z�F > v �c � � N M N I� N ,. 04 -� cess ia'' N +' a .. a� �� pr�� $�. _ jNZZ Z ;civ) z 63 �NZ / 43.45 LF - 12 in HDPE 01.00% 620— _. _ . 32.85 LF 12 In HDPE O 1-m% O ¢ L O CJ N C`V CV cNON N O oO OCp Oao 10+00 10+50 10+83 STORM B 61 - - - - GRAPHIC SCALE 10 0 10 20 \ 1 inch 10 ft. NOTES: El ACCESS RISER MANHOLE SHALL MEET CURRENT REQUIREMENTS OF (SEE DETAIL) ASTM C-476 &ASTM A-615. TOP OF 12" RISER; JOINTS SHALL BE SEALED WITH CONSEAL JOINT ELEV=625.001 SEALANT, OR EQUAL. 2 LAYERS REQUIRED. ALL PIPE CONNECTIONS TO DETENTION PIPE SHALL REMAIN FLEXIBLE AFTER INSTALLATION PER MANUFACTURERS RECOMMENDATIONS. RISER SHALL BE VOID SPACE UNDER INTERNAL PIPE RISER AND PIPE MANUFACTURED INVERT SHALL BE GROUTED TO PREVENT PONDING. CONNECTED TO BULKHEAD PROVIDE FLEXIBLE BOOT CONNECTIONS. FOR PIPE 12" PIPE TURNED UP TO SLOPES GREATER THAN 12% THE FLEXIBLE BOOT ACT AS OVERFLOW RISER; 60" PIPE MUST BE CAST IN THE STRUCTURE AT THE ELBOW CONTAINED INSImE INSIDE PROPOSED PIPE ANGLE. DETENTION PIfPE DIAMETER PIPE TRENCH SHALL BE EXCAVATED A MINIMUM WIDTH OF THE PIPE OUTSIDE DIAMETER PLUS ONE FOOT TO EITHER SIDE. DEBRIS CAGE BY PLASTIC 9" ORIFICE ALL JOINTS SHALL BE WATERTIGHT. SOLUTIONS, INC., OR EQIUAL INV=623.75 CONTRACTOR SHALL INSTALL UNDERGROUND 5" ORIFICE DETENTION FACILITY IN ACCORDANCE WITH INVout=621.50 MANUFACTURER'S RECOMMENDATIONS. OUTLET ���nuunu 1 AT SLOPE SHOWN. • • , '�I�f •-.+s+t r+Ouf ► .�i. tom• •=� • ♦ .-'j • • •`� 11 ► •� �E,MIiF� �1 #, flM� ��►f*�v1r�k,li►M�1 rr,���+�� yrf��Ay���►�►,�.*.ryUM,, y�r��fg0, �.,��I. !'+.Kr.+�r*�.w�;"•+:t5'++as.+{l;.�yr 41�++�'!i» Mir +'t r+�.."ir�,��•a^ �'t r+�.w�!'+�.��.E GNI- UNDE-RIGROUND DETENTION ORIFICE STRUCTURE (RISER INSIDE PIPE)_ 10.00 LF ...... D in CMP - dam- N cOo � N N N co � co co 10+00 10+50 10+60 STORM C 61 - 16.: -12 In 10+00 in O CA N 0) N 00 co N Cfl 10+50 STORM D r�N � �'N t 1 i� 65 —. I , I o D2 00 N r- 0) N ; I CO w J CO / CO E1 fZ Ld r .�..:.. v : _. 3 ..._..... hbo N 64 N� E 30 15 ° 30 _ m FEET STORM E — — VERTICAL GRAPHIC SCALE 08 10.. € m 63 _Z�F > �O �r+ ,. 04 OUTLET ���nuunu 1 AT SLOPE SHOWN. • • , '�I�f •-.+s+t r+Ouf ► .�i. tom• •=� • ♦ .-'j • • •`� 11 ► •� �E,MIiF� �1 #, flM� ��►f*�v1r�k,li►M�1 rr,���+�� yrf��Ay���►�►,�.*.ryUM,, y�r��fg0, �.,��I. !'+.Kr.+�r*�.w�;"•+:t5'++as.+{l;.�yr 41�++�'!i» Mir +'t r+�.."ir�,��•a^ �'t r+�.w�!'+�.��.E GNI- UNDE-RIGROUND DETENTION ORIFICE STRUCTURE (RISER INSIDE PIPE)_ 10.00 LF ...... D in CMP - dam- N cOo � N N N co � co co 10+00 10+50 10+60 STORM C 61 - 16.: -12 In 10+00 in O CA N 0) N 00 co N Cfl 10+50 STORM D 00 LF In CMF 61 r�N � �'N t 1 i� 65 —. I , I o D2 00 N r- 0) N ; I CO w J CO / CO E1 fZ Ld r .�..:.. v : _. 3 ..._..... hbo N 64 N� E 30 15 ° 30 _ m FEET STORM E — — VERTICAL GRAPHIC SCALE 08 10.. € m 63 _Z�F > �O �r+ ,. 04 00 LF In CMF 61 X41 p.13H OF l'1 JOH T. NEEL " Lic. No. 035780 o� 0211011 6,'�� �SSj0NAL S& NO. I COMMENTS I DATE 1 03 I OWNER REVISIONS 107/16/2015' A I STORM ONTER ORIFICE 102/10/2016ELEVA' M 0 2 2. (116 LO-' I JOHN T. NEEL, PE � KEVIN D. CONNER, LA a z wTES, LHS 0 02/02/2015 1770.3 1 INS \\ WE BMP GRADING DETAILS 2 C3-05 r�N � �'N 0 I r�00 M0) O 0 L Nr - CU 0) 0) ofd 0)0) 04 N N LO (N 00 N r- 0) N 1-0 M (0 71,0 CO w J CO / CO C0 11+00 111+03 10+00 Ld W p J 10+50 10+80 HORIZONTAL GRAPHIC SCALE W 30 15 ° 30 U) FEET STORM E 5.0 0 10 VERTICAL GRAPHIC SCALE X41 p.13H OF l'1 JOH T. NEEL " Lic. No. 035780 o� 0211011 6,'�� �SSj0NAL S& NO. I COMMENTS I DATE 1 03 I OWNER REVISIONS 107/16/2015' A I STORM ONTER ORIFICE 102/10/2016ELEVA' M 0 2 2. (116 LO-' I JOHN T. NEEL, PE � KEVIN D. CONNER, LA a z wTES, LHS 0 02/02/2015 1770.3 1 INS \\ WE BMP GRADING DETAILS 2 C3-05 r z � W � O I--- CU 0 z z O U 0 J w w J ��^^ w / ry LL W Ld W p J t'' W Q W U) X41 p.13H OF l'1 JOH T. NEEL " Lic. No. 035780 o� 0211011 6,'�� �SSj0NAL S& NO. I COMMENTS I DATE 1 03 I OWNER REVISIONS 107/16/2015' A I STORM ONTER ORIFICE 102/10/2016ELEVA' M 0 2 2. (116 LO-' I JOHN T. NEEL, PE � KEVIN D. CONNER, LA a z wTES, LHS 0 02/02/2015 1770.3 1 INS \\ WE BMP GRADING DETAILS 2 C3-05 , r " 70' MIN. I EXISTING X EMEWOOD FRAME EllNT (WITHOUT WIRE SUPPORT) 2 X 4" DROP INLET } A� 3' 5:1 1. SET THE STAKES. 2. EXCAVATE A 4"X 4" TRENCH WITH GRATE V • or RIPRAP ■� RIPRAP SIZE: dso- Y" UPSU.OPE ALONG THE LINE OF z --- _ STAKES. ` MOUNTABLE BERM � FRAME A i FILTER CLO 6" Mill A (OPTIONAL)az_ 6'M \ I 11.5 MAX. n , a w (MIN.) ?' SIDE ELEVATION�� - _ v 4<•�, EXIS ING GROUND �� DRIP LINE ���, ,fie �� 3'�A IN. � W 70' MIN. � _ CHANNEL - -LU 0 f u s �Vsou 10' MIN. a PIPE OUTLET TO FLAT ( FLOW SNOW FENCE ATHER Q o v N E AREA WITH NO DEFINED I I I I I I `--,�� IXCESS z N •� o ' I I tXO �% �- AT CORNERSz c u o CHANNEL 12' Ml&. �II� 10MIN. EXISTING 4" vUJ i a1 II'I 3. STAPLE FILTER MATERIAL 4. BACKFILL AND COMPACT �1MI NM Z cry PLAN VIEW , r u I PAVEMENT TO STAKES AND EXTEND THE EXCAVATED SOIL. �rrl PERSPECTIVE VIEWS cc O �o IT INTO THE TRENCH. I I Q z T ( n pp N _._ .._ -}- V M CU I SMA STAKE .Q un VDOT #1 I `� POSITIVE DRAINAGE 10' MIN. ` k COURSE AGGREGATE a TO SEDIMENT ! BOARD FENC rMM I I N ,n o 3 w p to O M @J Le ?' I TRAPPING DEVICE k(ir j; { ?ry €/ CORD FENCE FABRI v �n * MUST EXTEND FULL WIDTH -� L� rr, - Q N _ OF INGRESS AND EGRESS PLAN VIEW ��` + �� w o X CHANNEL _ O x - OPERATION J/-� J/� -� 1 I` / -� �.. ' PLASTIC FENCE - -�. i i f- ._' -� t cc d=?" 12' MIN. / ' ` FLOW CORRECT METHODS OF TREE FENCING " a " w _�> y` �` The drawing, design, and digital files relating to this 3" MIN. ��"� -' n {�, project are the property of Gay and Neel, Inc. The FILTER CLOTH KEY IN 6"-9"; RECOMMENDED FOR ENTIRE PERIMETER 3" MIN. SHEET FLOW INSTALLATION reproduction, copying, or other use of this drawing I t I f I �,f without GNPs written consent is prohibited. SECTION A -A (PERSPECTIVE VIEW) (ELEVATION OF STAKE AND OP La 3da W D50 d FILTER CLOTH i FLOW I s'M (FABRIC ORIENTATION DETAIL A SECTION A -A B1 10' 3' 13' 6" 14" e'-7 A D1 12' 3' 15' 6" 14" A I CULVERT 1&2 9' 3.75' 10.25' 6" 14" I T � � SPECIFIC APPLICATION NOTES: 1. APRON LINING MAY BE RIPRAP, GROUTED RIPRAP, GABION - - I \ �•,� _ � - THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE THE BASKET, OR CONCRETE." INLET DRAINS A RELATIVELY FLAT AREA (SLOPE NO GREATER 2. La IS THE LENGTH OF THE RIPRAP APRON AS CALCULATED r CORRECT TRUNK ARMORING THAN 5X) WHERE THE INLET SHEET OR OVERLAND FLOWS (NOT (� USING PLATES 3.18-3 AND 3.18-4. POINTS A SHOULD BE HIGHER THAN POINT B. r+0 EXCEEDING 1 C.F.S.) ARE TYPICAL THE METHOD SHALL NOT 3. d - 1.5 TIMES THE MAXIMUM STONE DIAMETER, BUT NOT OP REINFORCEDCONCR DRAIN SPACE CE DRAINAGEWAY INSTALLATION SF TRIANGULAR BOARD FENCE TP APPLY TO INLETS RECEIVING CONCENTRATED FLOWS, SUCH AS IP Z �1 LESS THAN 6 INCHES. SECTION B -B NO SCALE (FRONT ELEVATION) IN STREET OR HIGHWAY MEDIANS. O 1•� Q z INO SCALE CHANNEL OUTLET PROTECTIONINO SCALESTONE CONSTRUCTION ENTRANCE CONSTRUCTION OF A SILT FENCE NO SCALE TREE PRESERVATION OPTION SILT FENCE DROP INLET PROTECTION Z 0 Source: Va. DSWC Plate 3.18-1 SOURCE: Adapted from Installation of Straw and Fabric Filter Barriers for Sediment Control. MW PLATE. 3.15-2 Source: Va. DSCW Plate 3.38-2 SOURCE: N.C. Erosion and Sediment Control Planning and Design Manual. 1988 PLATE 3.07-1 C SOURCE ADAPTED frau 1'983 Marybnd Standards for Soil erosion and Sediment Control, and Va. DSWC Plate 3.02-1 Shawood and Wp� G The Virginia Stream Restoration & O 0- z Stabilization Best Management Practices Guide SILT FENCE CULVERT INLET PROTECTION U o RIPRAP SIZE: dao -6" DETAIL 5.1: PUMP -AROUND PRACTICE NDWALL Z O V LLJ A W J 3do(MIN.)- 6' A LLI TOE OF FILL ----CULVERT W 3.. m 01 ? roi b d =24 f Existing Sediment Trap �� �� s Q _ On Site Diversion Pump 5 ' �},,� > r ' �• LJJ PIPE OUTLET TO WELL^\� \ d; \\LU r DEFINED CHANNEL Discharge Hoses ..__ T "P P Intake *<�... PLAN VIEW Dewatering Pump Hose - P (as needed) La- 22' TOE OF FILL > A A Flow SILT FENCE-■= �����,,_• � �S- Flow DISTANCE IS 6' MINIMUM IF FLOW 0 X Work Area IS TOWARD EMBANKMENT d-9 All FLOW g,ALTH OF Sandbag/Stone Barrier FILTER CLOTH KEY IN 6"-9"; RECOMMENDED FOR ENTIRE PERIMETER • . ' • 0� f� .. .... .... .... .... .... *OPTIONAL STONE COMBINATION , /) SECTION A -A Work Area Sump -hole ' Or Pool 1.0 Discharge Pump Pump to be Monitored OHN T. NEEL 9 Into 6" d-50 Continuously During the 12" Min Depth } Outlet Construction Period 2' Min Diameter Lic. No. 035780 Protection FLOW rOr5o 02110/1 G <v� NOTES: 1. APRON LINING MAY BE RIPRAP, GROUTED RIPRAP, GABION PLAN --�' 2.5' BASKET, OR CONCRETE. �s`SIDNAL 2. La IS THE LENGTH OF THE RIPRAP APRON AS CALCULATED USING PLATES 3.18-3 AND 3.18-4. /f 3. d - 1.5 TIMES THE MAXIMUM STONE DIAMETER, BUT NOT * VDOT #3, #357, #5, #56 OR #57 COARSE AGGREGATE ASS I RIPRAP CIP LESS THAN 6 INCHES. OP1 O NO SCALE TO REPLACE SILT FENCE IN "HORSESHOE "WHEN PIPE OUTLET TO WELL DEFINED CHANNEL Sheeting HIGH VELOCITY OF FLOW IS EXPECTED NO. COMMENTS DATE M. CULVERT INLET PROTECTION NO SCALE Plate 3.18-1 :.. � A Source: Va. DSWC 3' Base Flow + 1 Foot ,z SOURCE ADAPTED from VDOT Standard Sheets and Va. DSWC PLATE. 3.08-1 Work Area (2 Foot Minimum) .� FLOW FLOW r � © OWNER REVISIONS 07/16/2015 Cross Section Of 6' d-50 Riprap/Stone Diversion SECTION A -A r _ E� �o FLOW-:"/ Adapted From 3/� Maryland's Waterway FLOW Construction Gudielines USC�`Q �� ' off n SEDIMENT -LADEN RUNOFF O F f� I' a �� � GRATE �i F_ AS DEPTH B€L.OW TOP ,OF INLET o MIN. 1 - MAX. 2 TEMPORARY INSTREAY ' n RE U ED DECEMBER 2003 VIRGINIA DEPARTMENT OF CONSERVATION R&CREATION LO 0LJ _�/ ^ �- CONSTRUCTION MEASURES -- - JOHN I), .y 1 W...w � v1ai. u,. �. I t rn rill-III-fII ,�..�. • -If �:�1lfjli�l III i a NOTES: I� . T NE E 1. SEDIMENT TRAP 5 LENGTH AND WIDTH SHALL BE A MIN41MUM OF THE "" " t', ' ` •.. DIMENSIONS LISTED IN TABLE, BUT MAY BE EXPANDED TO TAKE THE a KEVIN D. CONNER LA .�- ������ �� ���• SHAPE OF THE BIORETENTION AREA. oN MAX. SLOPE 2. II II II IIIF:-III-all--Il III III -i :r!11.-111 ;Ili- �`` 2. THE MAXIMUM EXCAVATION DEPTH AT THE CONSTRUCTION STAGE Tf T T T� € f ��z -II - -11I___lli__II 4 ITI __.Ill- „ � � MUST BE AT LEAST 1 FOOT ABOVE THE POST- ON � N r�� ��✓� E ���� INSTALLATION. cn STORM WATER WITH I LARGER PARTICLES o ES, LHS N WEEP JJ \ 3. THE UNDERDRAIN SHALL BE INSTALLED AS PART OF THiE SEDIMENT .x..•.. _., € 8 SCH 40 CONNECTION ,. / LARGER PARTICLES I-11 I!1 -I' SETTLE OUT r / i "`°' rn REMOVED -1 HOLES ! , ���,r '. ? rr\\ TRAP. 10"X8" Il=l! 4. WHEN CONVERTING TRAP TO BIORETENTION, CONTRACTWR SHALL: DEWATERIN �>i✓ r/ a a vi 'li II > �ii�, r� A. ENSURE AREAS UPGRADIENT OF BIORETENTION ARE STABILIZED PROVIDE WATERTIGHT ADAPTERS rnQ �II I B. DEWATER TRAP PRIOR TO EXCAVATION TO FINAL BIIORETENTION � � � � 02/02I2015 �� ;. FOR SCHEDULE 40 PIPE '� I ' EXCAVATED FLOOR ELEVATION. tiyz DRAIN INLET ti I!E_Il ��% ° r rr�. C. CLEANOUT DEBRIS FROM BASIN AND FLUSH ANY SEDIMENT OUT „„, NO SCALE /� �-II �'IIl-EIS �'��i�i � �i r� OF UNDERDRAIN. � Q,o i_-lel[ I�rL1�11I IIF-I-II��IIr r r moi`' �,�� D. FOLLOW OTHER BIORETENTION INSTALLATION INSTRUIC110NS » �-111__111-III NYLOPLAST INLINE DRAIN 10 X8 Z �rr���i�r��i� Vii, r�%r LISTED IN THE C3 SERIES. 1770.3 o ��4 �� �`r ��` �y�g lWtw 1"11 N� ab:A L ,41 is i ina t is ti4. s*�tita I SEK l 6" c ��v � . dry °' ~ SPECIFIC APPLICATION !i r ! r �r r r �� rj. �� r�r�/ �� '%�iti ltt.it� t vi Ive �TJvJA�' t� a ��° 1 1t hose IN"I t "a (1011t �"A I:,A Woc% for t,1t tltt tl� / -,,Atf hart l 1'e, Al�vl tic a) Illl. c.Tltt 1 t, to all 0 o THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE HEAVY FLOWS EXCAVATED SEDIMENT TRAP Algll '`til fllttl t €T1 1elli)a ;e lillt lt: 'Al IIIRI% ll 41;1,11: * ttflevtllfi:lt iti EROSION AND `SEDIMENT UJ ARE EXPECTED AND WHERE AN OVERFLOW CAPABILITY AND EASE OF IP FINAL BIORETENTION FLOOR ELEVATION = 628.0 MAINTENANCE ARE DESIRABLE. EXCAVATED FLOOR ttTl \f �attl tltltld b �itl 1t� t 1'1a�111 CONTROL DETAILS ELEVATION = 626.5 EXCAVATED DI SEDIMENT TRAP NO SCALE VE WAS RACK o zo NO SCALE ,_. APPROVED: DEPARTMENT OF COMMUNITY DEVELOPMENT 0 o SOURCE: MICHIGAN SOIL EROSION AND SEDIMENT PLATE 3.07-4 SEDIMENT TRAP C 0 NVE R S I 0 N TO B 10 - R ETE NTI 0 N FI LTE R c5-03 Ir -CONTROL GUIDEBOOK, 1975, AND USDA -SCS xw 00 U Q Li - 0 i0 E- Q 0 Q 0- v 0 N_ O N rn N N 0 N J W 0 (D Z O a CO a m 0 Cl) U �o z ■ �N U ... . ,,,........620 .,....__ _. v O �I Z W ,\ C -� U LU 22 ................. .__ .._........ _.._ ._......._......_. — _._ 24 0 v N -.w _. _ " .-. Z w v .._ ._. - w 26 �d00 a +�N a E 28 r..a U w.....__. Q z n — U 630 �-- °"` `l '� aA Qo �.i °' v -' _ w_ _ 3 O > C) — c ZN z CLO .o oo N M -- --- .-- — �- - — o -------------a -------- .�..-- M- _v _ — w N L0 41 Lin S 2in" MAP r -i 60" CMF The drawing, design, and digital files relating to this __-------` ✓ —.. — ----' project are the property of Gay and Neel, Inc. T heD3— — — — — — — --Y� this — — — — — without GNI's written consent is prohibited. — — t ...,,, � ,�••''•• DRY SWALE _• CL _ V _.......... . —� \r— ....... 34 Q _ \oo\\\\ \ \\ \ \\\\\\\\\\ \ - CD kkl — — — GRAPHIC SCALE75 10 0 10 20 21111 \1 W\\\\\, . O �\ ,.:. 1ft 1 Inch 10 ft - DITCH M (N \ Y (MIN.) W M P LINING, PER SCHEDULE A 0 3 12" B/M TREATMENT 1 B W TRAPEZOIDAL DITCH SECTION 12" B/M TREATMENT 1 �N \\\\\t Y (MI�Z\a ni LINING, PER cD SCHEDULE o' r ,v~iZZ Z8 10+00 W=0 TRIANGULAR DITCH SECTION SCHEDULE 30 15 0 30 FEET STORM NO SCALE GNI-3001 DRAINAGE DITCH DITCH M (N *'N DESIGNATION W M Y LINING A 0 3 12" B/M TREATMENT 1 B 48" 3 12" B/M TREATMENT 1 SEED NATIVE GRASS S^^" INTO ENGINEE 3:1 SIDE SLOPE! 3" LAYER OF PEA I FINISHED GRADE STANDIARD 4' DIA. N PRECAST FLAT TOP � I18" ICOMPlACTE SUBGRZADE FIELDCUT MANWAY TO REQUIRED ELEVATION ,�AST IRON FRAME / & COVER SET PRECAST TOP IN BED OF NON—SHRINK GROUT 2 OPENING SIZE CAST—IN PLACE STEPS - CONCRETE COLLAR (STEEL) N (2500 PSI MIN) WRAP CORRUGATED . , STEEL PIPE WITH I BUILDING FELT PRIOR TO POURING CONCRETE COLLAR 30" DIA. (MIN) CORRUGATED STEEL MANWAY INV 0l,MLLC VIVI—JI IJ UNDERGROUND DETENTION ACCESS DETAIL NOTES: 1. THE PLANTING SOIL USED IN THE DRY SWALE PLANTING AREA IS GENERALLY CLASSIFIED AS A LOAMY SAND ON THE USDA TEXTURE TRIANGLE, WITH THE FOLLOWING COMPOSITION: — 85% TO 88% SAND — 8% TO 12% SOIL FINES; AND — 3% TO 5% ORGANIC MATTER. IT MAY BE ADVISABLE TO START WITH AN OPEN—GRADED COARSE SAND MATERIAL AND PROPORTIONALLY MIX IN TOPSOIL THAT WILL IIN LIKELY CONTAIN ANYWHERE FROM 30% TO 50% SOIL FINES (SANDY LOAM, LOAMY SAND) TO ACHIEVE THE DESIRED RATIO OF SAND AND FINES. AN ADDITIONAL 3% TO 5% ORGANIC MATTER CAN THEN BE ADDED. 2. THE PLANTING SOIL SHALL BE OF UNIFORM COMPOSITION, FREE OF STONES, STUMPS, ROOTS, OR SIMILAR OBJECTS LARGER THAN ONE INCH, BRUSH, OR ANY OTHER MATERIAL OR SUBSTANCE WHICH MAY BE HARMFUL TO PLAN GROWTH, OR A HINDRANCE TO PLANTINGS. 3. FILTER FABRIC SHALL BE MIRAFI 140N OR ENGINEER APPROVED EQUAL. 4. DRY SWALE SHALL NOT HAVE A LONGITUDINAL SLOPE GREATER THAN 2% (SEE GRADING PLAN FOR SPOT ELEVATIONS). v rGRFvnP1ICU PVC UNDERDRAIN NO SCALE GNI-32XX DRY SWALE (LEVEL 1) DETAIL FINISHED GRADE:2 L STANDARD 4' PRECAST DI -1 "• ` N 18" ICOMPACTE SUBGRADE FIELDCUT MANWAY TO REQUIRED ELEVATION I D2 STEEL) SET PRECAST TOP IN BED OF NON—SHRINK GROUT STEPS N ( -CAST—IN PLACE CONCRETE COLLAR (2500 PSI MIN) WRAP CORRUGATED STEEL PIPE WITH BUILDING FELT PRIOR TO POURING CONCRETE COLLAR 30" DIA. (MIN) CORRUGATED STEEL MANWAY ivv rVIVI—J I I J UNDERGROUND DET. DI -1 ACCESS DETAIL 660-- B2 :. N 65 m � '' _. m N � p) S �MNN CO UGDM�tp m � � N 64 a� N +' a Zm� ZF�-SS > _ tH�;� _ 4J ��ZZ Z N(nF-z� 63 � to ? 43.45 LF 12 in HDPE _ 01.00% I 620-- 32.85 LF 12 to HDPE 0.1.367L 61 _� ted- 00 oO ink ��N c�iN 00 •� cNoN r�M ;"0M CO c0 r� cr0 (D STORM B NOTES: El ACCESS RISER MANHOLE SHALL MEET CURRENT REQUIREMENTS OF (SEE DETAIL) ASTM C-476 &ASTM A-615. TOP OF 12" RISIER JOINTS SHALL BE SEALED WITH CONSEAL JOINT ELEV=625.100 SEALANT, OR EQUAL. 2 LAYERS REQUIRED. ALL PIPE CONNECTIONS TO DETENTION PIPE SHALL REMAIN FLEXIBLE AFTER INSTALLATION PER MANUFACTURERS RECOMMENDATIONS. VOID SPACE UNDER INTERNAL PIPE RISER AND PIPE RISER SHALL BE MANUFACTURED INVERT SHALL BE GROUTED TO PREVENT PONDING. CONNECTED TO BULKHEAD PROVIDE FLEXIBLE BOOT CONNECTIONS. FOR PIPE 12" PIPE TURNED UP TO-\ SLOPES GREATER THAN 12% THE FLEXIBLE BOOT ACT AS OVERFLOW RIISER; 60" PIPE MUST BE CAST IN THE STRUCTURE AT THE ELBOW CONTAINED INISIDE INSIDE PROPOSED PIPE ANGLE. DETENTION (PIPE DIAMETER PIPE TRENCH SHALL BE EXCAVATED A MINIMUM WIDTH OF THE PIPE OUTSIDE DIAMETER PLUS ONE FOOT TO EITHER SIDE. DEBRIS CAGE BY PLASTIC (----9" ORIFICE ALL JOINTS SHALL BE WATERTIGHT. SOLUTIONS, INC., OR EQUAL INV=623.75 CONTRACTOR SHALL INSTALL UNDERGROUND 5" ORIFICE DETENTION FACILITY IN ACCORDANCE WITH INVout=6 AT SLOPE SHOWN ON PLANS 6" • STONE: . ,7,.+„tr `r;i+r�r i»r' r ► r�i •.r rr • r i�r •.r �r r�r: r •re�rr, rw M,��R+„�►�i;1+rrorfyr,�+�.lr���.l,#���r�iyr'�SM.��� 4 ✓,.E GNI- M (N *'N 65 ro Ca n 0) � m 00 oim aiO LO CO r- 0) n vv ^ ACD N N m �N G��D� j 640--5 N N N - cD Ch r ,v~iZZ Z8 10+00 10+50 Z ZF9 11+0011+03 Om N 9 30 15 0 30 FEET STORM ZF-0 > 63 5.0 0 10 VERTICAL GRAPHIC SCALE 21.50 60.00 LF MANUFACTURER'S RECOMMENDATIONS. 62 -60 in CMP--- -° 0..0.5076 I _I �... ;. 61 I 04 N 0 N N ca � ca co 10+00 10+50 10+60 10+00 10+50 101+83 STORM B NOTES: El ACCESS RISER MANHOLE SHALL MEET CURRENT REQUIREMENTS OF (SEE DETAIL) ASTM C-476 &ASTM A-615. TOP OF 12" RISIER JOINTS SHALL BE SEALED WITH CONSEAL JOINT ELEV=625.100 SEALANT, OR EQUAL. 2 LAYERS REQUIRED. ALL PIPE CONNECTIONS TO DETENTION PIPE SHALL REMAIN FLEXIBLE AFTER INSTALLATION PER MANUFACTURERS RECOMMENDATIONS. VOID SPACE UNDER INTERNAL PIPE RISER AND PIPE RISER SHALL BE MANUFACTURED INVERT SHALL BE GROUTED TO PREVENT PONDING. CONNECTED TO BULKHEAD PROVIDE FLEXIBLE BOOT CONNECTIONS. FOR PIPE 12" PIPE TURNED UP TO-\ SLOPES GREATER THAN 12% THE FLEXIBLE BOOT ACT AS OVERFLOW RIISER; 60" PIPE MUST BE CAST IN THE STRUCTURE AT THE ELBOW CONTAINED INISIDE INSIDE PROPOSED PIPE ANGLE. DETENTION (PIPE DIAMETER PIPE TRENCH SHALL BE EXCAVATED A MINIMUM WIDTH OF THE PIPE OUTSIDE DIAMETER PLUS ONE FOOT TO EITHER SIDE. DEBRIS CAGE BY PLASTIC (----9" ORIFICE ALL JOINTS SHALL BE WATERTIGHT. SOLUTIONS, INC., OR EQUAL INV=623.75 CONTRACTOR SHALL INSTALL UNDERGROUND 5" ORIFICE DETENTION FACILITY IN ACCORDANCE WITH INVout=6 AT SLOPE SHOWN ON PLANS 6" • STONE: . ,7,.+„tr `r;i+r�r i»r' r ► r�i •.r rr • r i�r •.r �r r�r: r •re�rr, rw M,��R+„�►�i;1+rrorfyr,�+�.lr���.l,#���r�iyr'�SM.��� 4 ✓,.E GNI- M (N *'N 65 ro Ca n 0) � m 00 oim aiO LO CO r- 0) n vv ^ ACD N N m �N G��D� j 640--5 N N N - cD Ch r ,v~iZZ Z8 10+00 10+50 Z ZF9 11+0011+03 Om N 9 30 15 0 30 FEET STORM ZF-0 > 63 5.0 0 10 VERTICAL GRAPHIC SCALE 21.50 60.00 LF MANUFACTURER'S RECOMMENDATIONS. 62 irrr�rr�N�i�,,,R.. :'*�,.+*4"+�.�!`.1',,.��;^yr*r+,^ wr^.�.►�!• ��!`*;,ria!^a�..a!• �;" .�!` '�l±• wi ;" a rw.i!-.i�.:�. STORM C 10+00 10+50 STORM D 65([ D2 _. - VJNENI 64 0 �s _ZZj m N Int 30 in 4.0, z O O O .J w W -I ry I..L W W W C2 ) ro Op M q- M (N *'N 65 ro Ca n 0) � m 00 oim aiO LO CO r- 0) n vv ^ ACD N N m �N G��D� j 640--5 N N N - cD Ch r ,v~iZZ Z8 10+00 10+50 Z ZF9 11+0011+03 Om N 9 30 15 0 30 FEET STORM ZF-0 > 63 5.0 0 10 VERTICAL GRAPHIC SCALE 60.00 LF 62 -60 in CMP--- -° 0..0.5076 I _I �... ;. 61 I 04 N 0 N N ca � ca co 10+00 10+50 10+60 STORM C 10+00 10+50 STORM D 65([ D2 _. - VJNENI 64 0 �s _ZZj m N Int 30 in 4.0, z O O O .J w W -I ry I..L W W W C2 ) ro Op M q- M (N *'N co,u-) ro Ca n 0) 00 oim aiO LO CO r- 0) r -O N �N N �co � 7C1U��cfl cD cfl 10+00 10+50 10+80 11+0011+03 HORIZONTAL GRAPHIC SCALE 30 15 0 30 FEET STORM E 5.0 0 10 VERTICAL GRAPHIC SCALE P91Q`LTH OF D >4"'/JCH � T. NEE m J W Q W VJ L Lic. No. 035780 Ao� 0211011 6 2/10/16 �,�� ��SjO NAL �'��� NO. COMMENTS DATE Q3 OWNER REVISIONS 07/16/2015PRIN-Fr[MAR 02, 2016 STORMWATER ORIFICE 5 02/10/2016 ELEVATION JOHN T. NEEL, PE � KEVIN D. CONNER, LA C7' z ID TES, LHS 0 02/02/2015 1770.3 BMP GRADING DETAILS 2 C3-05 a 0 0- 3 � J OL Q a LO 0 U a_ �I Lq VI r- o - r` � 0 U a' rn N N N !0 C v a_ Ln c Q .21 N 0 0 J 0)0 C: 0)Z Q)0 0) j w oN o coZ rnQ c vZ 0 13.0 RIPRAP SIZE: dao-?" A A W (MIN.)- Y' CHANNEL PIPE OUTLET TO FLAT AREA WITH NO DEFINED CHANNEL , PLAN VIEW Ld- VCHANNEL OX FILTER CLOTH KEY IN 6"-9"; RECOMMENDED FOR ENTIRE SECTION A -A OP La 3do W D. d Bi 10' 3' 13' 6" 14" D1 12' 3' 15' 6" 14" CULVERT 1&2 9' 3.75' 10.25' 6" 14" NOTES: 1. APRON LINING MAY BE RIPRAP, GROUTED RIPRAP, GABION BASKET, OR CONCRETE 2. La IS THE LENGTH OF THE RIPRAP APRON AS CALCULATED USING PLATES 3.18-3 AND 3.18-4. 3. d - 1.5 TIMES THE MAXIMUM STONE DIAMETER, BUT NOT 0P LESS THAN 6 INCHES. NO SCALE CHANNEL OUTLET PROTECTION irce: Va. DSWC Plate 3. RIPRAP SIZE: dao -6" 3do(MIN.)= 6' 1 VrIll ♦ IL_ •• IPE OUTLET TO WELL EFINED CHANNEL D X - FILTER CLOTH KEY IN 6"-9"; RECOMMENDED FOR ENTIRE PERIMETER SECTION A -A NOTES: 1. APRON LINING MAY BE RIPRAP, GROUTED RIPRAP, GABION BASKET, OR CONCRETE. 2. La IS THE LENGTH OF THE RIPRAP APRON AS CALCULATED USING PLATES 3.18-3 AND 3.18-4. 3. d - 1.5 TIMES THE MAXIMUM STONE DIAMETER, BUT NOT NO SCALE LESS THAN 6 INCHES. G PIPE OUTLET TO WELL DEFINED CHANNEL Source: Va. DSWC Plate 3.18 - FLOW FLOW FLOWL; FLOW SEDIMENT -LADEN RUNOFF AS DEPTH BFLOW TOP OF INLET REQUIRED MIN. 1 - MAX. 2' �`- - - i � •.�.:I, .y.�: �'.�. • • : �' j; •.�-.�.�� :�•�:� .--tip "int:.•;,fi:'r.':.�'. 'c: •�..;•��;�.a.�i;s?,�s:-'; III -1111 MAX. SLOPE 2 i� 1-111-111 I I I -I1 fel=III - I I jl 1 ?T;1I �\ STORM WATER WITH - (III -III- LARGER PARTICLES LARGER PARTICLES 1=1 ORSI' SETTLE OUT REMOVED I I-) \I I DEWATERING DRAIN INLET ill j\ M -7-, , 11EEl II=TIF=, _f=111�1I[_1 II iI�II 11..=1 I 1=1 I L._ �{ 11=1 { T1=ITTI�I1=1I�Ii �r 1I�{I u=, SPECIFIC APPLICATION THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE HEAVY FLOWS ARE EXPECTED AND WHERE AN OVERFLOW CAPABILITY AND EASE OF IP MAINTENANCE ARE DESIRABLE. NO SCALE EXCAVATED DI SEDIMENT TRAP 0 o SOURCE: MICHIGAN SOIL EROSION AND SEDIMENT X CONTROL GUIDEBOOK, 1975, AND USDA -SCS XW PLATE 3.07-4 EXISTING PAVEMENT 5:1 MOUNTABLE BERM (OPTIONAL) IN. IN. SECTION A -A WRCE ADW D from ,19M Maryland Standards for Soil erosion and Sediment Control, and Va. DSWC Plate 3.02-1 SWRCE Maw from Installation of Straw and Fabric fitter Bamem for Sediment ControlA. DSWC SMxwoW and Wyant The Virginia Stream Restoration & Stabilization Best Management Practices Guide DETAIL 5A: PUMP -AROUND PRACTICE Existing Sediment Trap On Site -� Diversion Pump Discharge Hoses _.__ P Intake Dewatering Pump Hose P (as needed) Flow Flow Work Area �r Sandbag/Stone Barrier �..� Work Area Sump -hole Discharge Pump Pump to be Monitored Or Pool Into 6" d-50 Continuously During the 12" Min Depth Outlet Construction Period 2' Min Diameter Protection PLAN Sheeting 3' Base Flow + 1 Foot Work Area (2 Foot Minimum) Cross Section Of 6" d-50 Riprap/Stone Diversion SECTION A -A Adapted From Maryland's Waterway Construction Gudielines USC TEMPORARY INSTREAM CONSTRUCTION MEASURES DECEMBER 2003 VIRGINIA DEPARTMENT OF CONSERVATION RECREATION NOTES: 1. SEDIMENT TRAP 5 LENGTH AND WIDTH SHALL BE A MIINIMUM OF THE DIMENSIONS LISTED IN TABLE, BUT MAY BE EXPANDED TO TAKE THE SHAPE OF THE BIORETENTION AREA. 2. THE MAXIMUM EXCAVATION DEPTH AT THE CONSTRUCTTION STAGE MUST BE AT LEAST 1 FOOT ABOVE THE POST- CON STRRUCTI ON INSTALLATION. 3. THE UNDERDRAIN SHALL BE INSTALLED AS PART OF TTHE SEDIMENT TRAP. 4. WHEN CONVERTING TRAP TO BIORETENTION, CONTRACTfOR SHALL: A. ENSURE AREAS UPGRADIENT OF BIORETEN11ON ARE STABILIZED B. DEWATER TRAP PRIOR TO EXCAVATION TO FINAL BIIORETENTION EXCAVATED FLOOR ELEVATION. C. CLEANOUT DEBRIS FROM BASIN AND FLUSH ANY SEDIMENT OUT OF UNDERDRAIN. D. FOLLOW OTHER BIORETENTION INSTALLATION INSTRIUCTIONS LISTED IN THE C3 SERIES. `EXCAVATED SEDIMENT TRAP FINAL BIORETENTION FLOOR ELEVATION = 628.0 EXCAVATED FLOOR ELEVATION = 626.5 NO SCALE SEDIMENT TRAP CONVERSION TO B10 -RETENTION FILTER I v DRIP LINE SNOW FENCE 00 00 •+ CORRECT TRUNK ARMORING TRIANGULAR BOARD FENCE NO SCALE TREE PRESERVATION OPTION PLATE 3,05-2 Source: Va. DSCW 2 X 4" WOOD FRAME DROP INLET WITH GRATE 1.5' MAX. FRAME 3''A --vim ( I I I ATHER EXCESS AT CORNERS PERSPECTIVE VIEWS STAKE FABRI 1' MIN. ELEVATION OF STAKE AND FABRIC ORIENTATION DETAIL A SPECIFIC APPLICATION THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE THE INLET DRAINS A RELATIVELY FLAT AREA (SLOPE NO GREATER THAN 5%) WHERE THE INLET SHEET OR OVERLAND FLOWS (NOT EXCEEDING 1 C.F.S.) ARE TYPICAL THE METHOD SHALL NOT APPLY TO INLETS RECEIVING CONCENTRATED FLOWS, SUCH AS IP IN STREET OR HIGHWAY MEDIANS. SILT FENCE DROP INLET PROTECTION Plate 3.38-2 SOURCE: [N.C. Erosion and Sediment Control Planning and Deft Manud. 1988 PLATE 3.07-1 SILT FENCE CULVERT INLET PROTECTION NDWALL ------- -- -- ---- TOE OF FILL „r„r SOURCE ADAPTED from VDOT Standard Sheets and Va. DSWC PLATE. 3.08-1 10 GRATE 8" SCH 40 CONNECTION 10"X8" PROVIDE WATERTIGHT ADAPTERS NO SCALE FOR SCHEDULE 40 PIPE NYLOPLAST INLINE DRAIN 10"X8" APPROVED: DEPARTMENT OF COMMUNITY DEVELOPMENT 0 Z 6A 70 2 X 4" WOOD FRAME DROP INLET WITH GRATE 1.5' MAX. FRAME 3''A --vim ( I I I ATHER EXCESS AT CORNERS PERSPECTIVE VIEWS STAKE FABRI 1' MIN. ELEVATION OF STAKE AND FABRIC ORIENTATION DETAIL A SPECIFIC APPLICATION THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE THE INLET DRAINS A RELATIVELY FLAT AREA (SLOPE NO GREATER THAN 5%) WHERE THE INLET SHEET OR OVERLAND FLOWS (NOT EXCEEDING 1 C.F.S.) ARE TYPICAL THE METHOD SHALL NOT APPLY TO INLETS RECEIVING CONCENTRATED FLOWS, SUCH AS IP IN STREET OR HIGHWAY MEDIANS. SILT FENCE DROP INLET PROTECTION Plate 3.38-2 SOURCE: [N.C. Erosion and Sediment Control Planning and Deft Manud. 1988 PLATE 3.07-1 SILT FENCE CULVERT INLET PROTECTION NDWALL ------- -- -- ---- TOE OF FILL „r„r SOURCE ADAPTED from VDOT Standard Sheets and Va. DSWC PLATE. 3.08-1 10 GRATE 8" SCH 40 CONNECTION 10"X8" PROVIDE WATERTIGHT ADAPTERS NO SCALE FOR SCHEDULE 40 PIPE NYLOPLAST INLINE DRAIN 10"X8" APPROVED: DEPARTMENT OF COMMUNITY DEVELOPMENT 0 Z U W z _Jr, Z� TES, LHS or F El J U II.1J 1 LU Iw = a < m Z 02/02/2015 W tU Q �C4 N �� E Z ZZ L- -E E ° v ._ 0> c a� m : r, m Q Z rvo (B L r, 00 N >_ V Z a_ m ru °A en w cn N Itp �: - O .fB .N _ 3 Q 0E 3W r U v CL U_ w� The drawing, design, and digital files relating to this project are the property of Gay and Neel, Inc. The reproduction, copying, or other use of this drawing without GNI's written consent is prohibited. Z VJ Z CL� O� 2 Z W 02 U0 - Z 0 - Z0 UJ OJ VJ W Wp G W W I.- 0 LTH OF 1'l OHN T. NEEL 5 vo Lic. No. 035780 A02/10/1 G �%ZS`sjONAL I' Z Of Z 0 LLI J ry W M J Q NO. I COMMENTS I DATE A I OWNER REVISIONS a JOHN T. NEEL, PE 07/16/2015 a KEVIN D. CONNER, LA EROSION AND SEDIMENT CONTROL DETAILS C5-03 V) TES, LHS 02/02/2015 1770.3 EROSION AND SEDIMENT CONTROL DETAILS C5-03