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Home My WebLink AboutSDP199600092 Plan - Approved 1996-10-03C t, Location Map 1"= 2000 County of Albemarle Virginia s v Isi e e eIL THE COX COMPANY Planners • Landscape Architects Civil Engineers • Urban Designers THE COX COMPANY Planners • Landscape Architects Civil Engineers • Urban Designers August 14, 1995 Revised September 11, 1995 November 13, 1995 December 22, 1995 January 30, 1996 OPG FRANK D. COX, 1R. No. Q- ��1 %,fb 7719 E n'POFFSSK)"i"V AFFIL, 301 10M& .y Sheet Key 0.00 Cover Sheet 1.00 General Notes 2.00 Site Plan 3.00 Landscape/ Layout Plan 4.00 Storm Sewer Profiles 5.00 E & S Plan 5.10 E & S Key/ Sediment Basin Detail 6.00 Construction/ E & S Details 6.10 Construction Details R �1 Fi INT 15 i ALBEMARLIE COUNN ZONING DEP�Mr:g' 0KAt-6. Co. A."a - -- -- -- - - -0-0-0-0__ . - -_ - -- __.�....,_ „�.� _� •-- - ....,..� .. 1 i i BEST MANAGEMENT PRACTICES PROJECT DESCRIPTION Charlottesville Self- Storage: Phase Four Charlottesville Self- Storage: Phase Four 1 EXISTING INTERMEDIATE CONTOUR 1. Owner /Developer General Descr/ tp ion Plant Material & Quality Standards A vegetative BMP practice shall be utilized during Phase Four of the Charlottesville Self- All plants shall be nursery grown in accordance with good horticultural practices and shall Storage development. Implementation of these measures shall enhance the function, be grown under climatic conditions similar to those of the site. Plants shall be typical of amenity value and habitat quality and diversity of the site. While generally speaking, their species or variety, have normal growth habits, be free of disease, and shall have vegetative BMPs are not capable of entirely handling all the runoff control and pollutant healthy, well developed root systems. All plants shall conform to the American Standard removal necessary for a large scale development site, they are well suited to small scale for Nursery Stock by the American Association of Nurserymen. filtration and water quality enhancements which are found within the Avon Street project. 220 East High Street Vegetative BMP implementation will take the form of both existing and established native Recommended Plant Materials species as well as the introduction of proposed plant materials. The physiographic 804.295.7131 components of the site, including the Moore's Creek floodplain area and the RPA area Trees shall function as existing vegetative BMPs. In addition to the natural mitigation functions Acer rubrum of these systems, grass filter strips and bio- retention shall be integrated into the proposed Betula nigra design. These measures shall be implemented as needed according to the proposed Site Quercus phellos Phasing Plan as submitted. Quercus rubra 8. All buildings shall have a separation of thirty (30') feet minimum. 4. Existing Zoning Bio- Retention Shrubs EXISTING TREE Ilex glabra Bio- retention efficiently manages sheet storm water runoff originating from impervious Viburnum sp. surfaces. After the runoff passes through a grass filter strip, it moves into the bio - retention Euonymus sp. area, where it is infiltrated into a sand bed. Once the infiltration capacity of the sand bed Jumiperus communis "Compressa" is exceeded, storm water is discharged at the surface of the planting soil. The runoff is ' infiltrated through a surface organic layer of mulch and /or a ground cover to the planting Groundcovers soil. Once at this vegetation zone, pollutant reduction is achieved by using native plant Vinca major materials in concert with soil conditioning and infiltration to remove pollutants from storm Vinca minor water runoff. The natural processes employed to achieve this include absorption, filtration, Hedera helix volatilization, ion exchange, and decomposition. The runoff is stored in the planting soil andropogon gerardi where it is discharged over a period of days to the soil underlying the bio- retention area. FEMA benchmark RM-42 described on panel 510006 - 0240 -B. Pollutant loadings are concentrated in the "first flush" of runoff from impervious areas. The Plant Material Layout proposed bio- retention areas are designed to contain this pollutant laden runoff. The of VT &T pole. PH 63, 0.2 miles north of 1-64 bridge on Route 742. storm water runoff design operates within the storm water detention waver currently The layout of woody plant material should not be placed within the immediate area where applied to the site. The BMP facility is designed to contain and filter only this "first flush ". flow will be entering the bio- retention zone. Besides concentrating the flow, trees and The proposed structure includes an overflow outfall channel constructed of sand and shrubs can be damaged as a result of concentrated runoff. Trees should be planted aggregate material. This emergency outfall channel is designed to safely and efficiently primarily on the perimeter of BMP areas to maximize the shading and sheltering of the discharge the runoff for a 10 and 100 year storm while maintaining the "first flush" infiltration areas. This will create a microclimate which will limit the extreme exposure from containment and infiltration practices. summer solar radiation and winter freezes and winds. The final layout of plant material Post -Phase One Runoff: 1.61 cfs. should resemble a random, natural placement of plants rather than an "orderly" approach . = with trees and shrubs in rows or similar geometry. The most important focus of each EXISTING ELECTRIC SERVICE -- -.• ., ... consideration is to provide optimal conditions for plant establishment and growth. Transportation. The term County refers to the County of Albemarle, Virginia. See ,;. March 29, 1991 approved VDOT road plans. Items: B. Prior to commencement of any construction within any existing public right of way, Phase 4bi G consists of all other work presented on this site plan and including connection to any existing road, a permit for said construction shall be accompanying documentation. UA NATIVO; V6-TL AND M S M�► Z , 1-j Flo f��NT(GN PI-f�EA , •``'� , (�a' JOIN•) , BIO- RRTEN7+ION ( ts96 L?ErarL_ SHr. 5. io) Filter Strips and Filter Areas Filter strips provide a low to moderate rate of removal for urban pollutants which is usually calculated at 10 % -20 %, depending on slopes, , and vegetation types. • They remove particulate pollutants better than soluble pollutants. These waste materials are removed by filtering through vegetation and /or soil, settling /deposition, and uptake by vegetation. Filter strips are not generally capable of reducing the peak flow to pre-development levels. They are used as a portion of an integrated BMP management system. The strips can reduce the runoff velocity, slightly reduce the peak volume and the. watershed imperviousness, and contribute somewhat to groundwater recharge. The success with which particulate pollutants are removed seems to be a function of the length and soil permeability of the strip and the size of the contributing area. A minimum fifteen to twenty foot filter strip is often suggested. When establishing filter strips, extra watering, fertilizing and reseeding for the first several months and years are needed to ensure the strip is adequately established and functioning correctly. The application of filter - strips to the Charlottesville Self- Storage facility will significantly enhance the effectiveness of the bio- retention structure. The two methods -working in tandem will adequately maintain clean downstream outfall material through the course of site development and maintenance. All BMP structures shall be checked and maintained at least annually for damage by foot or vehicular traffic, erosion, encroachment, and evidence of concentrated flows. The density of vegetation as specified shall be adequately monitored and maintained as necessary to be in keeping with the design intent and efficiency of the structure. 6 � 6 °H�� 4 ►�S 1. 2o' MINIM TILTE, I? STRIP MOORES _-0-0_-0-0___. -f � _ -�;-. = �- - -,�'\ �\ '•, 4 I - � 't �., ��`\ � - _ - - --- _�� -�'.,, ::><ui^...�` -a'- •'~•Viler==-- ••.� ---�•\ \ \ � ;\ 11 ' _ � � I `,\ \ ` -. i \ a rsrorraoc.wanc 1I i ! i j I' \ \\ ii'10,I IIt1 Filt \ ' �; Filters Areas\ \ ` \ n an rsrsaaraaac `'i' \ \\�i\ \' \\ ♦` \ \`\ f/� 1 \`\ Mil . ,cw'...° �'� � � u , srorr sax eun.c i \ i-'�1 \ \ \�� ; '\.\ •, t t ! .t ``♦ � \ \\ \ `y I � I [e,sroer aov sua..c I '•- � / I'ltl,�;'t ''' \t,', � '' \ 1 \ ..- I, r i- � I�liil }1111 `\• � lx lsrotr ROCr aaa+c _ ( t t� ,t1, 1 \ \ \� \ `♦ '_ _ _ -._-- -- - - - - i ` \` '�'�. Iii 1 `,'` "\ 1 `. �� . ,•\ ,\�\�, `, -0-0-0-0 - - - -- - - - -_ - ti--\ \ ♦ BMP Plan N J b 1'4m;rN�r COUNTY OF ALBEMARLE Dept. of Planning & Community Development 401 McIntire Road ZZ i4t Charlottesville, Virginia 22902 -4596 (804) 2965823 n {` September 22, 1995`' °�1�� MC Partnership c/o David Turner t 1 Boar's llead Place P.O. Box 5347 Charlottesville, VA 22905 Re: SDP 95 -074, Charlottesville Scir- Storage Major Site Plan Anlendmient Dcar Mr. Turner: Tile Albemarle County Planning Commission, at its meeting on September 19, 1995, granted a waiver of on -site stormwater management facilities under Section 32.7.4.1 lof the Zoning Ordinance, a modification to allow disturbance of critical slopes under Sectiom 4.2.5.2 of the Ordinance, and a modification to permit one -way circulation under Section 4. °12.6.2 of the Ordinance. Specifically, these waivers /modifications allow substitution of aplpropriate BMP facilities for on -site stormwater detention facilities, disturbance of critical slomes as shown on the preliminary site plan, and one -way circulation as shown on the preliminary site plan. The preliminary site plan can be administratively approved upon completion of plan review. Sincerely, Ronald A° Lilicy Senior Planner copy to: `Fred Missel, The Cox Co. ,4 FINAL SITE PLAN NOTES PROJECT DESCRIPTION Charlottesville Self- Storage: Phase Four Charlottesville Self- Storage: Phase Four 1 EXISTING INTERMEDIATE CONTOUR 1. Owner /Developer 1. Proposed Use: Addition of three self storage buildings. MC Partnership General site use shall not be altered. 1 Boar's Head Place P.O. Box 5347 2. Gross square footage: 38,560 in three buildings. Charlottesville, VA 22905 PROPOSED CONTOUR _--- -- 75 ----�_ 3. No additional parking required. Replace parking as shown. 2. Landscape Architects /Engineers /Planners 4. Retaining walls shall be less than five (5') feet in height. The Cox Company 220 East High Street 5. Maximum building heights not to exceed thirty -five (35') feet. Charlottesville, Virginia 22902 EXISTING SPOT ELEVATIONS 804.295.7131 6. F.A.R. = 17% Impervious Surface = 6.29 acres (42 %) -rsr Open Space = 8.63 acres (58 %) 3. Parcel Information Total Site = 14.92 acres Tax Map /Parcel 77 (E)2, Parcel 2 7. Building Setbacks: Fifty (50') feet from Route 742. 8. All buildings shall have a separation of thirty (30') feet minimum. 4. Existing Zoning PROPOSED CURB LI (Light Industrial) EXISTING TREE PHASING SCHEDULE • 5. Planned Land Use Charlottesville Self Storage: Phase Four Self- Storage Facility REJECT CURB & GUTTER No change in use. PROPOSED TREE ' PHASE_4A - w - -•I• -- (See attached graphic for general location of Phase 4A work). 6. Building Setbacks PROPOSED WATERLINE WfrEE Setback from State Route 742 Right-of-Way: 50' Items: Erosion & Sediment Control: 7. 'Datum and Benchmark Reference • Permanent Seeding FEMA benchmark RM-42 described on panel 510006 - 0240 -B. . Surface Roughening 'Top of a 6" I -Beam approximately 2.5' albove ground and 3' south • Silt Fence of VT &T pole. PH 63, 0.2 miles north of 1-64 bridge on Route 742. a Inlet Protection Published elevation= 474.8'. EXISTING FIRE HYDRANT Stormwater Management: 8. Parking Area Analysis: Existing stormwater detention seems adequate to handle the slight increase in Relocated parking around the office /apartment building runoff due to the imperviousness of the proposed building. exceeds the 20 required parking spaces. Pre -Phase One Runoff: 0.90 cfs. - Post -Phase One Runoff: 1.61 cfs. 0 Additional Runoff after completion of Phase One: 0.71 cfs. 9. General Construction Notes EXISTING ELECTRIC SERVICE A. The abbreviation VDOT made hereafter refers to the Virginia Department of PHASE 4bEG Transportation. The term County refers to the County of Albemarle, Virginia. See PROPOSED ELECTRIC SERVICE March 29, 1991 approved VDOT road plans. Items: B. Prior to commencement of any construction within any existing public right of way, Phase 4bi G consists of all other work presented on this site plan and including connection to any existing road, a permit for said construction shall be accompanying documentation. obtained from VDOT. PROPOSED GAS LINE C. All paving and drainage related materials and construction methods shall conform TEST PIT y CREED `--- I to current specifications and standards of VDOT unless otherwise noted. Moog =s -w - , D. Erosion and siltation control measures shall be provided in accordance with the approved erosion control plan and shall be installed prior to any clearing, grading or other construction. E. All slopes and disturbed areas are to be fertilized, seeded and /or mulched. Maximum allowable fill or cut slope is 2:1. Where reasonably obtainable, lesser , .,�.�.,. Ali ill t ` ♦, ' slopes of 4:1 or better are to be achieved. M - -� ----- . -___ -_ +1`il '.:' \ `" ° ♦` F. All drainage inlets shall have a 2 -inch local depression. - --------- ,~ _ - G. Paved or rip rap lined ditch may be required! when in the opinion of the Director of G P P Y q P '•, � . �� Engineering, or his designee, it is deemed necessary in order to stabilize a drainage , ,,,. ----- - - - - -- - - -- - , �� - ' " ''`� \� ♦`O ' channel. Q, l H. All traffic control signs shall conform with the Virginia Manual for Uniform Traffic y........ --0-0-0-0 `:�`�\\, 1 `• � `♦ -. Control Devices, per latest edition. , .A a... -• --0-0-0-0 i _- .�1� ;VII`, 1,.,�.1 { '\ •` 1 I., All excavation for underground pipe installation must comply with OSHA Standards g) . , -\ � ;; it :11, ♦, �� for the Construction Industry (29 CFR Pert 1926) .,.�.._�. J ` 111 ' ,� . �•, J. No construction shall commence until the owner /developer has secured all nil _ ; i' W, „� ,': \ necessary plat and plan approvals, on- and off -site easement approvals, construction `' ` ` ! I I i ' '�``�' '' ♦` `` ` ' permits and development authorizations from the County, State and other authorities operating in the project area, and has posted all necessary bonds for required improvements. Legend K. A preconstruction conference shall be conducted prior to site improvements in order to coordinate project and to clarify phasing of construction documents. L. Proposed building locations and dimensions shown are approximate. See building plans for exact location, dimensions and details. M. The location of existing underground utilities its shown in an approximate way only. Contractor shall confirm location of all utilities prior to commencement of any construction activities. N. Contractor to ensure adequate cover ower proposed utilities and adequate separation between existing and proposed utililty Iineg in•accord with local and state requirements. 0. All signs shall be installed in accord with local, state,and federal standards. P. The engineer /landscape architect assumes no responsibility with respect to design or construction changes caused by inaccuracies iin the vertical or horizontal alignment of any and all existing underground utilities shown or not shown or for which field surveys were not performed or which were taken from available records. Q. All erosion and sediment control measure's shall meet all requirements of the county and the latest edition of the Virginia Erosiion and Sediment Control Handbook. Removal of any existing pavement at locations where existing and new pavement meet shall be done on a "line of saw cut" to a full construction depth. R. The contractor shall take proper measures to ensure that. all paved areas are sloped or cross pitched to drain without puddlling on the pavement surfaces. The contractor shall ensure positive surface drainage away from all building and vertical walls. S. Where proposed paving meets existing, the contractor shall blend the two smoothly . without rough spots or abrupt grade changes. Signature Panel T. The contractor shall be responsible for notifying "Miss Utility' (1- 800 - 552 -7001) and 1 - shall be otherwise responsible for the location of all existing utilities which may be impacted by this project. Department of Planning Date U. No improvements shall commence until Owner provided survey control has been Z /Yd If /99G established. Department of Engineering Date V. Excavation of underground pipe shall comply with OSHA Standards for th_ e Zoning Dep ent y L Date Construction industry (29 CFR Part 1926) W. Trees, shrubs, -and other landscape elements that are removed or destroyed shall Fire Date be replaced with an equal or improved material. All landscape features disturbed ? 2 9(v during construction shall be preserved and restored to conditions equal or better than , f GS Date those prior to construction. Methods and materials shall be approved by the owner. t11A K Virginia Department of Transportation Date X. Contractor shall provide certified, as -built drawings of the project and site improvements at the completion of construction. 4 THE COX COMPANY Planners • landscape Architects' Civil Engineers • Urban Designers 220 East High Street, Charlottesville, Virginia' 22901 _ 804.295.7131 �t PROPERTY LINE -- EXISTING INTERMEDIATE CONTOUR ............. - -- - . '- EASEMENT - EXISTING CONTOUR INDEX -- - - -- - - - -- CENTERLINE - PROPOSED CONTOUR _--- -- 75 ----�_ k,1 LIMITS OF CLEARING & GRADING EXISTING EDGE OF PAVEMENT EXISTING SPOT ELEVATIONS ss.r PROPOSED EDGE OF PAVEMENT PROPOSED SPOT ELEVATIONS -rsr EXISTING CURB EXISTING TREE LINE ct PROPOSED CURB EXISTING TREE PROPOSED CURB & GUTTER « EXISTING TREE WITH DRIPLINE ` '} REJECT CURB & GUTTER fllllllllgllllflllllllllll (IIIIlUlI1111i0 PROPOSED TREE Q EXISTING WATERLINE W/TEE - w - -•I• -- FLOW LINE OF SWALE - PROPOSED WATERLINE WfrEE --A -w - FENCE LINE EXISTING TELEPHONE LINE - ' EXISTING UTILITY POLE `< PROPOSED TELEPHONE LINE r PROPOSED UTILITY POLE 4 .EXISTING STORM SEWER �'- - =�-�- - EXISTING FIRE HYDRANT PROPOSED STORM SEWER PROPOSED FIRE HYDRANT -� EXISTING SANITARY SEWER EXISTING WATER VALVE - PROPOSED SANITARY SEWER 0 PROPOSED WATER VALVE ►� w EXISTING ELECTRIC SERVICE __J1__ EXISTING REDUCER --w - PROPOSED ELECTRIC SERVICE "r PROPOSED REDUCER :- -w EXISTING GAS LINE- - - STOP SIG ! Q PROPOSED GAS LINE TEST PIT y THE COX COMPANY Planners • landscape Architects' Civil Engineers • Urban Designers 220 East High Street, Charlottesville, Virginia' 22901 _ 804.295.7131 Job No: ��NLT$ Off, FRANK D. COX, JR. - No. 7719 pAOFESS10Nt'� Date: August 14, 1995 Revision: September 11, 1995 November 13, 1995 December 22, 1995 January 30, 1996 - Sheet Title: a' 'General Notes Drawn: File: Sheet NO: 1.00 Of sheets �t O ct 0 03 `r .l O r•�i O Job No: ��NLT$ Off, FRANK D. COX, JR. - No. 7719 pAOFESS10Nt'� Date: August 14, 1995 Revision: September 11, 1995 November 13, 1995 December 22, 1995 January 30, 1996 - Sheet Title: a' 'General Notes Drawn: File: Sheet NO: 1.00 Of sheets ---- i t r WATER) GI141;'L,OTTE-5 VILLE TMP' 59 -379 5 564417' E GREEK LEDGE O MOORES 198.54 _ 393.7 i - _ _ .``1 __- _.._ - -.-- ti RAfr f_� 62'15'35' F - -- -_ ' I R- 2° 5 _ _._ _ . -' / - f ".e __ _� SEE ATTACHED WALL Df7ALS rop 305.98 �- EX Mt1 � fxdGT DnEN5rON5 I SA, I SEW LINE //' S -E O RO E`er GREE 5c� �'� ti:�� ` \ Jam-' q¢ ?� •rot _-- 3�`_ � __ _ � `72,8 e DI I 4-I - - - _f� _ --��CA PP ,OXIM-A E 4LIGN� ENt -� _ --` \ I O - \ � GNA2LOTTESVILLE ( �� U O 04 �� ---- -� - --- 3 EASEMEN _- - - -_��_' �`I � � TMP 5a -382 I (12 > .� Q-- - - -- j-� -- --------------- - - - - -- - �_='��__ _ � 1 _ _�'r, -- - Z rt Z► / �-^�- ! y -.- •�_._ •�- __-'.. -::Z. _-Z, �\` '��i - f I�-� -_� -__ice _ �� „_ - --. _ \ \\- - - \\ \"`\ i . �_'� -- -' == = - --------- - - - - -- - -- - - - - - -- �3� 5h r_. \\ �� \` \ ' CAMP LA YJJT 1N5�iE'T \ \ , �/' ,�/ /' -"_'` _ _ - 5m�al Trees -- -�\ .\ \ �\ SS 11 ` Itl �1 , // , j��- - - -- _ - - -- -� _ - -- - - - -- - -- -T - -_ \ \\\ �\`` \ \\ Tl1Ir� .�Q -392 % 1 -!- _ - _ _ _ G�t�? �L O l TES V;L L E I I . 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I \` \\ d0 en \\ `\ \ \ \\ \, \ \\ \ \, ` \ \ \ (e ► \�--\ I � . .. \ 'ref\ \ + \ `. 9 P \ \ \ + n 1 -C \ \ ED . dump I \ \ •. \ \ \ \ \ 1 D lS\ - i ad \ \ \ \ \ \ \ \ : \ \ c > 1 \� .. . . . 17 % wv . I : :: ': I I I <-, \ I /- -\ (10 > I , \ \\ \\ \ \ + " \ \ z �\ \\ f r 1 ( 9 ) Dl EX. 12 "RGP ` ' D1 EX_ 15 RGP 5D \I J� �U \ \\ \ \ \ \ \ \ \ \\ \ \ \ , \ V \ \ z \ 1 _ \ \ \ \ 1 \ \ \ \ -+ _j \ \ 10' DRAIN GE E5M17. - r ' 1 Above Ground '- � 1 \ \ \\ \ \ V \ \ \ \ \ \ c \ \ \ .0 Proposed Park "9 - • r (13> 1 1 I \ t I \ \ \ \ \ \ . .. . I F e troieum Tanks \_ J' ► t I ` 1 1 I . \ 10 \ t i \ ... \ \ \ 1 F I 10 .pace5 17'>18 • ( tYP� , \(\ I \ \1\\\ \ \ \ \\ \\ \ . • . % .. \ \i ; 4 I k + i i CReloctoted p kin:l oround ,-hA of ';ce /apartment \\ Ii I ` \ \ \ \ 0 \ \ ' I \ \\ \\ \\ �' \ N 1 I v i I bullding exceed, the requirec: )O spaces) i�l I \ I\ \ L_\ \ \ \ \ \ \ \\ \ \ BENCHMARK I i EX. .r •TORY BLOCK BUILDING ;I, I I �---- - - - - -- \ ►_t1 ; ; 1 1 \ \ \ \ \\ , TWO NAIL5 NEAR. BA5E EX. telephone, -1 ' ' 1 , ► \ \ \ \ \ \ \ ED I IN UTILITY POLE I 1 oth \ \ \ \, TAX MAP 77C,-,�2. PARCEL 2 I I 1 I \ I \ \ \ �� 1 .: - ►� i I i \ \ \ . \ TG i i I t 1 � 1 1 io , i , \ ` . , \\ \ \ \ ELEV. = 413.33 r 1 . \ / , I \ �I + I 1 - I , � N F MC PARTNER5HIP ; . 1-1 I I - , Ex. Of ► \ I I I I , ` \ \ ( 7) I I � \ I I I I I I 1 1 I I \ \ \ \\ \\ � . I /_ - DI EX. 12 'RCP 5D \- -' DI EX. 12 •RG SD Dl ( I co Apartment \ \ <1 I I I I I I I I 1 \ \\ \ \ I 1\ \ (8) �11 °i 2 -Story Iii. PVG 55�, \ Yt 1. I I I I i r I i \ \ \ \ \ \\ \ \\ \ M z i GO I Brick + Block Gr i � M i Fr- i I 1 i i I I\ 1 \ \'\ \ \ \ \ \\ \ \\ \ \\ \`\ I : Building roil. ! l� 1 I I 1 I \ \ \ ` ` \ \ \ t°'' . I I, I . .... _. d .. / I - tom' \ \ \ \ \ f . , _n U '. Budding I ! ` ,. - `�, ; \ \ \ .` \ \\\ \ k�" Setback EX. elect �c r Q I I I \ \ \\ _. - \ _ \ \ \ \ 2 I meter v I / I ` I' ' 1 I 1 \ \ \ \ I Lore (t -) t / 1 -44 4r I I \ \ \ \ '\ \ \ \ \ \\ \ I.... . EX. Al STORY BLOCK BUILDING EX. gas _ _ _ /, Z F, , I� I H 1 I I \\ \ \ \\ \ OCT 15 6 1 me ter 1 \ I T 1 1-4 1-} 1 I 1 . \ \ + I t \\ L� II ; i I 1 I \\ \\ \\ \ • \\ 1% \\ \U `\ \\ `\ \ � � _pAR ENf w I i \ 41C Lint -5 I la 'Ot I , ; ', ; \ \\ \ \ \\ `, • \\ \\ \ \ . \ I I ,- _\ �j \ EX15TING PARKING LOT' I� I 11 ' I 1 \ \ \\ \\ \ � \\ \` \ \\ \ ..\ r 1 I 1 1 I \ \ \ \ . \ I I ( 4 ) I I '\ PHNIE + DOUBLE SEAL► 5URFAGE I� a- I t 1 I 'I 1, \ \ \\ \\ \\ \\ \\ \\ \\ `\ I , DI 12 "RCP SD pl rG \ \ �+ I I I \ \ I \ \ \ . \ \ \ \ \ \ \ \ �j- ❑ \ \ I I I I ► \ \ \ \ \ \ \ \ -�- \ I I I I I'\ \ \ \\ \ \ \ \ `\ \ \ \ I 1 K\51*, ( 5 ) I \ y \\ \\ I j I I I 1 r \ \ \\ \\ \ \\ \ \\ \\ \ \ \ \\ \\ N 3479'23' E I t 30' ELEG TRIG E5M'T. \_ _/ \ \ 24.93 _ chain -link Fence \\ n \\ I 1 i t t \ t�� \\ \\ \ \ �\ �U \\ \\ \\ \\ \ \\ \\ \ \ \ I \ I \ - --one- a \ I \ -- ----------- ---- - - - - -- - - - - -- v \ \ \ \ I \ \ \\ \ \ \ \ \ t \ hl ♦ __- __ __ _ s= \ \ l \ \ \ \� \ \ \ \ \\ % _ - - - - =� - -- - - -- - '�� - _ \ ` .N 56• t \ `\ \ Fopo3 d�ence\ \ \ \ \ \ Ml1 \ % __ \ `\ - '---- _______ ` 20• WATERLINE, Dl (3) \ V ` - -�� 1170.84 I I t \ t �,'\ \ \ \\ \\ ` \ ` \\ \\ \ \\ \\ \�� -- - - - -___ '- - - - -- _ 4I p`` EASEMENT \\ ❑ -_ \\ I J j I ; i kIk, AvIr IL THE COX COMPANY Planners • Landscape Architects i Civil Engineers Urban Designers 220 East High Street Charlottesville, Virginia 22901 804.295.7131 Sheet Title: Layout/ - Landscape Plan Drawn: 199 30' File: Sheet No: 3.00 �v/.. of sheets w . ct o 0 Job No: FRANK D. COX, 1# . — a 19 G� Data: August 14, 1995 Revision: 'September 11, 1995 .November 13, 1995 December 22, 1995 January 30, 1996 Sheet Title: Layout/ - Landscape Plan Drawn: 199 30' File: Sheet No: 3.00 �v/.. of sheets _ff IL A_ + 4 ------ _-A A 7T7 ------------- J - -- ----- ------ A --------- THE COX COMPANY Planners - Landscape ArcNtects ry ng L RM WATEK-C-ALU7 f!0N9 - - - - --------- 1. _J L _4 �j k 77-F ------- --- i 7 4 ------ J .-CP ......... .. 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Profiles ----------- ---------- ------- A . ................ A _7 .7 4 ----- - -- ---------- ---------- ------ -- Date: ------- ---- A . . ..... ..... .. ------- 4-6-19 ---------- -- ---- + -- --- ----- _4 ---------------- ---------- I - ---------- r: --------- 96 Job No: T. ...... . . . . . ..... --------- -- . ..... - ---------- ---------- - - ---- -CIO - ---- ------ ----------- ---- -- ------ ----------- --- ------ -- 95 ------- --------- ------- Sheet No: _21, -4 ----------- _7 . . ................ . .. .. ...... ------ --------- ------- - -- ---- . .. ....... ----- --------- -4 -------- .. . ... ...... .. . ...... . .... . .... -------- ------ ------ ---------- -- ------ - ------- - --- 4� ------ ... ... ..... . . ......... 4-00 t -- - - - -:-� - I --: _- -:�: I- -. --+ -_ - �- - - - - .....-I - .1 _ .- 1 ___ ------- --- - - - ------ ------- IYT 4 *AhL i 0 U s, O I CH4RL O T Tf5 VILLE I . TMP 59 -379 5 56- 44'17' E MOORES GREEK LEDGE OF WATERD 198.54 EX. MH � S � _ SEW LINE --- SAN. � EX- MOORES GREE 55� �• ---- i 4 3 6" .7 4 MENT 8 2' ALIGN � / 92 I f Gf-iARL O TTES VILLf 30 TMP 59 -382 In DTI. SHIP (o 00 _ L.m►ts of Glearin DisfvHed - LA - - '-- — ,• TbpOFDdMs ,__� _ - -- ---- -_ -__- - GfARLOTTfSVILLf \ _ TMP 59 -392 - - - - -- �_SER E'�AgIN 362 _ - •.• \`< •.,• \\ \\\� \\ 111 1 1 � _- •.- -- __ _ -• ___ 364 -- _ - _ -- - -• _ _ \ ' 366 -- - ILA i ------------------- - - - - - -- ---- - - - - -- - - -- _ -_ �� \ �\ \ •;` \ \\ \ \\ \\ \ \ ill P �V�/all ��-------------------------------- - - - - -- ---- - - ---- ----------- - - ;,\ One Way Travelwa --- --- -- - - - - -- __— —_ — ----------------------- i`------------------ Y - - -- -- - - - -- -- -- - - - - -- -- - - - - -- - - -- ` n� - -- -- CP-- _ ------- - - - - -- - - - -- _ __------------ - - - - -- \ \ \ \ \ \ 1 \\ \ 38 - - - - - - _ 37 � - -- - -- --- - - - -- -- .i _�• - - -' _____ - -_ ___ - -- -�_�'� ii �\ \ \ \ \ \ did �I � ro / ��. \ I \ \ is _ _ __________ ------------------ - - -1 -- _ _ -`� �'�'(� ��'��I -------- - - - - -- - - -------------- ------ - - -- -_ -------- '----------- I I\ -Q� � I x.11 \i� 1�lJlL.,,l'l N-u -- -- - - - - -� --- - - -��` ♦\ \\ \\ \\ `\ ; 1 I I / s I I 1 \ \ \ S. - \ -- ---- - - ~ - -' \�� ST j it ctlon of F /ow � 1 \ I 1 / L N, 70 0 CA 1\ \ LOT 22 A, \ I I I 01= 51 \ \ 1 d' (,r;a PTI, ANT. 5.1o) \\ \\ �• \\ 11 �� \ 1 I 1 \ I I 1 1 1 I ► / \ \ \ �i,liM6ANKMEI�?f � \ W 11 12TH = 10 Ff I► \ o -\ 1 i I i i i I i I `4.5' o� (31) 00) 1 I 1 1 1 1 I X,1 I \ \ \ \ / -\ ED ► I I I 1 I I \ ` \ ANTI SEEP GOLI AR- \ I IZ EX. 12 RCP `-J EX. 12 RCP �' EX. 12RCP (29) 1 1 1 I ► I U \ \ \ �� \ �Q_ O `\ I D/ 1: ❑ rL ❑� J 1 t 1 i i I I I i I I I \\ \ 25 - 36 SB 6A L \\ \ O" O • 1 1 1 I I I I �✓EE BHT• 5.10 �R \ \ CALCULATIONS /DAILS• \\ v x 1 \ 1 I I 1 I I I \ \ •� S\ \mac\ � � Stfi[• 10.10 \\ � '` \ � WV � � \\ � EX 1 5 TOR Y BLOCK BUILDING 11 11 \ \ \\ � \`\ \ \\ Ss,, S \ •� 1 � `\ � � � \ I r \ r £D I 1 \ \\ \ \ \ . • \ \ \ \ s i \ 1 \ \ \ \ ` �s 'F DRY P- \ \ :.:•• I 1 1 \ . •D RI RAP of 12AM `� \ ` J \ql \ D/ Df Dl ( \ ` \ ` \\ \\ '� \\ \ \ \EI.EVArION - 36 .0 \ £X. M11 o \ £X.12 RGP EX.12 RGP £X.12 RGP £X.12 R�P J \\ \ \ \ \\ r \ \ ❑ Dom-\ u ` \` ` \ \` \ �` \ .S� `\ \ \ SCONE WEIR SHOWN ON PLAN SHT: 2.00 \\ \ 1 \ \ \ \ \ ` \ ? \ ` SHALL NOT DE INSTALLED UNTIL 51LT (20) <21) (22) (23> • • -� \ \ \ \ I \ : t° \ \ \ s ,\ \ ` \\ BASIN 15 ND l.oN�ER NEEDED FOR \\ I` \ \ ` \SILT CONTROL. EX. 1 STORY BLOCK BUILDING eX mode r . O block % ::I I I wall \\E I \\ ► EX.I2RGP EX.12 RCP EX.12 RCP (1 l / gX.12 ,�' ` \ `\ \\ \ \`\ `\ �� \``\ \\ \ \\ p `\ \ \\4. +• \\ •�!` \ \ r ) N • (1 > ,� ew c& \ `\ \ `� � \ \ \ ) ex.edge pvm't- J \ \ \ `� `. ----- — - - - - - -- NEW CG -Co I — ----------------------------------------------------- - - - - -- \ \ \ ` \ EX. TRE95 (TYP.) `:..: I \ - - - - - - - - - - - - - - - - - - - - - - - - - - - \ \ \ \ \ \ \ \ \\ \ `� \ \ \ \ \ `' ------------------------- - - -�_� ---------------------- - - - - -- -- --- - - - - -- - _ \ \ \ \ \ :.. \ — - - -- -------------------------------------------------------------- - - - \ r \\ --- - - - - -- APPR.CMMA= F F_) =. -07' -,400— 1 \ ---------- - - ---- �� 1 \ \ \ \ ` ` \`\ `\ .• . \ \ ` \ \ \ Limits of Dlsturbea Area - - - -- \ •� \ \ \ \ \ \ \ c 1 \ EX. 12 *RCP 5D I' \ `� -- ,\ ` \`\ \• �� `.\ c \�� `.��`. / \\ ► O \` \ E:i• I � J \ � � v �. (2) ; 1 � I - N 36.30 35• E 4.08 r \ \ E: 0 f exlstIM \ ` \ ` ` ` \ V. \ \ \ \ \ \ \ r\ \ pavement to bede i�ted as'-, ` \` `\\`\ \` �` ��\ \ ` >— Z ` D \ P 9 \ \ \ . \ \ \ \ \ \, 61 \ UC E Construction Entrance. All construetio?I\ `� \ 0 `� `\ `\ \ \\ \ vehicles to be washed at this location N� \ `� \ �`� \ \ \ \ \ \ \ \ \ � 3 p N `\ and wash water will be directed to drain \��' onto the construction she and into ® I I W \\ I 1 ` sediment traps and /or basi ns. Existi\ng , \ \ \� o \ \ \ \ \ 8 \ \e ` \ \ \I 1 1 1► `— cone. curb and utter I be utilized to direct dump. \ ` e £D wash water flow. \v > pad CN � \ \ \ \\ \\ \ \ \ \ Q 1\ Z �\ W \ I r I DI D \ \ (y) EX. 12 "RCP EX. 15 RCP 5,0 1 10' DRAIN GE E5M'T. � Proposed Parking 1 Above Ground Ao \ , P g (13) 1 1 A/G ❑ I \ 11 10 Spaces 9'x18' Ctyp1 Petroleum Tanks 1\ \ I I 1 I I CReloctated parking around thtt office /a partment \ I \ \ Y I v I building exceeds the required �\0 spaces. BENCHMARK I I I ; EX. 1 STORY BLOCK BUILDING I -- , - \ I ,I 1 1 1 1 I I \ \ I �__ _� \ / I 1-1.11 1 1 1 1 1 \ 1 I I \ \ \ \ \ \ TWO NAILS NEAR BA SE EX. telephone ED I I ` I 1 \ I 1 1 IN UTILITY POLE II I booth I \\ 1\ ( i i ► �_o 1 ELfV. = 413.33 ' i \I ° 1 \ \\ \ � I it 1 1 -• �- • • \ \\ \ \\ \ TAX MAP 77CE�2. PARCEL 2 L_ I \ N11F MG PARTNERSHIP t I I r- _\ coo Ex. Office/ 1 I l I i 1 1 i i \ \\ \ I Dl ( 7> I 1 Apartment \ \\ EX. 12 RCP 5D -� D/ EX. 12 RG SD D/ I c� P 11 \ 1 (6) � --�- ❑ I r- � �! � i � 1 I I I. i I 1 � 1 I i i \ \ � � �`� \ `\ �\ I 1 I x (8) 2-Story ( \ Y IEX. PVG 55 I I I I I I 1 !� 1 GD Brick + Block I 1 h-II 1 I I I I 1 u I \ \ \ \ olt 1 Building GD I M I I 1 I I I 1 \ \ \ \ \ \ \ I Dulldin GO I 1 � / 1 g EX. elect /c I IL Z I Setback meter v I ❑ i �e � ►' 1 1 i 1 1 \\ ` \ ` \£XIcSY�N �QoDS \\ `�\ \ i I I x Line Ctyp� I _ / �, 10 1 EX. 1 STORY BLOCK BUILDING EX. gas - Z I I� 1 I i� I 1 meter Fj A 04 � x1 � I 1 j�� ♦` \`\ \`\ \\ I , \`\\ \\ �� `\\ `\\ \ \\ \ A,10 units I 104 1 t 1 EX• TREES \\ EXISTING PARKING LOTI I I 1 11 I \ \ \ \ I CTYP� ` PRIME + DOUBLE 5EAL1 5URrAGE I� a- ► '` \ ` ` Dl � � 1 12 i2GP SD ❑ Dl I I \ ( 5) N 3479'23• £ I t ` 30' ELECTRIC £5M'T. s gn, _ chain -link fence OCT y 24.93 \ _ ,rr o `\` \ \ I I II 1 ` \\ `\ \\ \ • . `\ `\ \ \\ �`\ \`\ \`� \ \\ \ 1 1 6 %�y. • ` _` - -- -- - - -- -- - - - -- _ j- _ - - - -- \\ \ t I I \/ \ `. `\ �Q _ ,�` — �- -� — �� ` N 56' ` ` o d �enc` \\ \ \ \ 1 • \ ZONINGDbP _ 1170.84 • _ 20' WAT£RLl L�� Dl (3) ��NV ` t I I i ► l� \\ \\ v� `� `\ �\ `\ `\ \ I NpT� o \ _ ` I \ \ \N` `� - - -- `41p� EASEMENT ` ❑_ \ 1 J 1 I \\ `\ \\ \ `\ \ \ \ \ \ GUT AND FILL QUANtITIES ` -- q ® c _ - - - - - -- — --` - _ — — — — \ — WV \\ chain �\ i `I - \ ` \ \\ \ ` `\ ` \\ \ I \ =o WV \ WV — _ - � - . \` 3 - ` \\ °� 4 �\ link \\ rlprrap d %tch \\ \\ ` \ \\ \\ �`\ \\ \ � \\ \ \I I � I I GALANG�. I I ARC I N APPROXI N1i1tE R =40.48 'EX. TREES �\ VP•)/ fence \ \\ `\ �\\ 1\ L =31.02 .� ; I asphalt I c`- / I \ 1 I I I 1 \ 9 \ \ \ ` I 1 \ \ \ I FOR EROSION & SEDIMENT CONTROL USE ONLY i x xai Is VL THE COX COMPANY Planners • Landscape Architects Civil Engineers • Urban Designers 220 East High Street Charlottesville, Virginia 22901 804.295.7131 0 W �.W,, nn J ct 0 bJJ v1 4mwif • T� v1 c3 I � O Q ;.q 0 ��•c U Job No.: g5--gO NIT if OP !W��UNK D. COX, ;SIR. • z I •a. 771, q 9 p'P�'FESSt Date: Revision: November 13, 1995 December 22, 1995 January 30, 1996 Ha(Al 15, 19`io APRIL 2. 101q<o Norft Sheet Title: E &SPlan Scale= 1, -30, Sheet No.: 5.00 1 I Virginia Erosion O e e en d S edimentControl RECOMMENDED PLAN SYMBOLS: an U W THE COX COMPANY Z Z Z la Engineers Designers D p Existing Contour - - - - - - - - - Limit of Grading ZO ZO Q 0 >- O H O t e g - -- - -- �vt^t. Handbook W UNIFORM C ®DING SYSTEM Z 1- J�� Q Q W Q VIRGINIA Finished Contour + 1- Z Q Q U Storm Sewer ` - .,. .,,, Cn Z O U ? Ir N Z N • Z Z Drainage Divide Bounder of a - - - -� w > Z_ OW r� W W W W o- Z Q O J Q J 220 East High Street � Control Practices ¢ ry ` 0- 0 - 0 W 0- � Charlottesville, Virginia for Erosion and Sediment o o � ° X - Z p Control Measure '°� 0 0 D Q Q� � Q lr Q 22901 804.295.7131. - u' .� I,-- cD W °- Q ¢ W Q - - - - - :4.a July 1992 v X w o _J cc W it = F- W t-- w I- _ (n Z ~ O U Z Z O N Z N Q U C!) 1Z cn F- Cn F- Cn CL Cn Indicates normal applicability of a specific practice Cn W w 0C w W w Q¢ 0_1 Q =� PP tY P P W> I-- a- I- m? w a. m m NO. TITLE KEY SYMBOL DESCRIPTION A B iC D E F G to one or more of the seven control categories U W T Z 00 D Q Q M 2 Q Ir Q .1 U � W O .J Cr W � !z f-- W F- W I- Q a. M U Cn a (n F-• Do I- (n MW Small, temporary stone dams constructed across a drainage ditch to reduce the velocity of concentrated ROCK CHECK DAMS CD �� ""'�' flows, reducing erosion of the swale or ditch. Limited to use in small open channels which drain 10 acres NO. TITLE KEY SYMBOL DESCRIPTION A B G D E F G 3.20 or less: should not be used in live streams. ® An outlet for dikes and diversions consisting of an excavated depression constructed at zero grade across 3,01 SAFETY FENCE SAF A protective tamer installed to prohibit undesirable use of an erosion control measure. LEVEL SPREADER LS a slope to convert concentrated, sediment -free runoff to sheet flow and release it onto areas of undis- 3.21 turbed soil which is stabilized by existing vegetation. E a construction site to reduce the soil VEGETATIVE ARY STONE and egress on vss EMPOR vehicular ingress T d red at points of ehtcu >� A stone , iota gr pad. O eas t banks tee the b n s erosion. v ar o f ed treambanks to r d 'at vegetation ' non s d an other establishment o appropriate n e e tto s th The es bltshm nt f transported onto public roads p P � STREAMBANK PPP g C E � 3.2.2 V S .- --�_ CONSTRUCTION S ENTRANCE STABILIZATION CONSTRUCTION ROAD ® Temporary stabilization with stone of access roads, subdivision streets, parking areas and other traffic STRUCTURAL O, CRSareas immediately after grading to reduce erosion caused by vehicles during wet weather, and to prevent STREAM BANK SSS Stabilizing the banks of live streams with permanent structural measures to protect them from erosion. 3.03 STABILIZATION having to regrade permanent roadbeds between initial grading and final stabilization. 3.23 �` Particularly applicable to watercourses which must pass increased flows due to upstream development; STABILIZATION not applicable to tidal streams. A temporary sediment barrier composed of straw bales placed across or at the toe of a slope to intercept TEMPORARY and detain sediment and decrease flow velocities from drainage areas of limited size; applicable where ^ VEHICULAR STREAM r•'�" �~ ° "t A temporary structural span across a live stream to provide vehicular access to construction activity on 3.04 STRAW BALE BARRIER STB .3.24 ��' � P y sheet and rill erosion may be a problem. Maximum effective life is 3 months."'° ,••- , - t,°„,_„„., either side of the stream while keeping sediment out of the stream and preventing damage to the channel CROSSING �� M. `�w�� bed and banks. t sediment barrier constructed of posts, filter fabric and, in some cases, a wire support fence, °ti A strategy for crossing small waterways when in -stream utility construction is involved, The strategy _ A temporary Po ppo •• i;; ; �: •••• -; -� ^•" helps to prevent sediment from entering the affected watercourse and minimizes the amount of distur- �E -X X X P laced across or at the toe of a slope or in a minor drainage way to intercept and detain sediment and ij UTILITY STREAM bance within the stream itself. .............:...... SILT FENCE USC decrease flow velocities from drainage areas of limited size; applicable where sheet and rill erosion or CROSSING .. ::.....;... small concentrated flows may be a problem. Maximum effective life - 6 months. A temporary sediment barrier composed of limbs, weeds, vines, root mat, rock, and other cleared materials, D EWAT E R I N G A temporary settling and filtering device for water which is discharged from dewatering activities. 3.0 6 BRUSH BARRIER B B pushed together to form a berm; located across or at the toe of a slope to intercept and detain sediment and D �` decrease flow velocities. 3.26 STRUCTURE v i curb let structures Bill The installation of various kinds of sediment trapping measures around drop inlets or c b In A floating eotextile material which minimizes sediment transport from a disturbed area adjacent to or T RM DRAIN 1 8 8 S O e ceedin on acre d a e eas no ex w t ar 'mi ed to ram ar t v' edi tali rot 'on o a er u a d ' i 'on of the distu bed li t of water. t ro [des s men on ectr f r a co rse rom u slo I n rior to anent stabtl raft r ea, g g within a bod I f p p Y P P P Pe -' TUR IDITY CURT N 3.27 ontrol laze concentrated stormwater flows. disturbance or from dredging or filling within the watercourse. INLET PROTECTION and not intended toe g . 1 X. A sediment filter located at the inlet to storm sewer culverts which prevents sediment from entering, A perforated conduit installed beneath the ground to intercept and convey groundwater. Prevents sloping 3.08 CULVERT INLET C I P accumulating in and being transferred by the culvert. It also provides erosion control at culverts during �+ _ _ _ soils from becoming excessively wet and subject to sloughing, and improves the quality of the vegetative PROTECTION the phase of a project where elevations and drainage patterns are changing, causing original control SUBSURFACE DRAIN --� - ---� - 3.28 SD growth medium in excessively wet areas by lowering the water table. Can also be used to drain detention measures to be ineffective. structures. •t Grading practices such as stair- stepping or grooving slopes or leaving slopes in a roughened condition by w v off-site which diverts of disturbed area h h t urbed base asloping D t to o bas f D o' at he r ac ed s rl constructed compacted v' ridge of co velocity, provides sediment A n Reduces runoff Oct r es s anent tier n and 'ner n 'n them. edu a ru el r increases infiltration, not fine-grading t e R all P P f g Y• P P gr g trapping TEMPORARY O - of o a 'v -laden runoff t t e sediment 1 n ru or o divert s outlet, t stabilized u t and to a t w unprotected slopes a from un 4 away fr s runoff vegetation exposed slo let to t establishment men o e etatt n s. Applicable o all s steeper SR of which facilitate es hsh t f r than Y P Per g Po Pe PP Per Pe FA S R D SUR E ROUGHENING D C 'v on hs. �r}�} DIVERSION DIKE sediment trapping structure. Maximum effective a life is 18 m '':�: «:!�::!:�:�'�� 3:1 or that have received final grading but will not be stabilized immediately. Also recommended for PP 8 gr g other exposed slopes with flatter grades. Po Pe FD A channel with a supporting ridge on the lower side, constructed along the top of an active earth fill O Preserving and using topsoil to provide a suitable growth medium for vegetation used to stabilize TEMPORARY constructed in order to divert runoff away from the unprotected fill slope to a stabilized outlet or sediment , 3.1 0 trapping structure; applicable where the area at the top of the fill drains toward the exposed slope and TO TO disturbed areas. Applicable where preservation or importation of topsoil is most cost- effective method of O FILL DIVERSION FD continuous fill operations make the use of a TEMPORARY DIVERSION DIKE infeasible; maximum 3.30 TOPSOILING providing a suitable growth medium; not recommended for slopes steeper than 2:1 unless other measures effective life is one week. are taken to prevent erosion and sloughling. TEMPORARY RWD A ridge of compacted soil or loose gravel constructed across a disturbed right -of -way or similar sloping e e outlet. 'v the runoff to a stabilized tl ' and divert ' urbed stn within disturbed r in th w length th the flow P O area t o shorten e fl _ _ g ' ht -of- �`��'�` �< TEMPORARY SEEDING Establishment of temporary vegetative cover on disturbed areas that will not be brought to final grade for RIGHT O F WAY RW Earthen diversions are applicable where there will be little or no construction traffic within the right-of- 3.11 G TS TS nods of 30 days to one year b seeding with appropriate ra idl owin plants. 3.11 DIVERSION way, and gravel structures are applicable where vehicular traffic must be accommodated. Pe Y Y Y g P Y-gr g P N. DV Establishment of perennial vegetative cover by planting seed on rough - graded areas that will not be _ O A permanent channel with a ridge on the lower side constructed across a slope to reduce slope length and \ / pe pS brought to final grade for a year or more or where permanent, long -lived vegetative cover is needed on D v 'v velocities. S 3.12 DIVERSION intercept and divert stormwater runoff to a stabilized, outlet at non-erosive � PERMANENT SEEDING P :::::;:::;:> ; <,�• -..- fine - graded areas. A small ndin area, formed by constructing an earthpn embankment with a stone outlet across a P° g Stabilizing fine-graded areas b establishing anent s stands with sod. Provides immediate TEMPORARY disturbed areas for enough time to allow most � 8 S� Y g perm gran drainage Swale, to detain sediment -laden runoff from small t u g -- g SODDING 50 protection against erosion, and is especially effective in grassed swales and water-ways or in areas where (/'�� ST 3.33 p g espec Y t� Y VJJ SEDIMENT TRAP SO SED of the suspended solids to settle out. Maximum effective life is 18 months. an immediate aesthetic effect is desirable. � tamer or dam with controlled stormwater release structure which is formed by constructing r A temporary an embankment of compacted soil across a drainageway. It is used to detain sediment -laden runoff from B E R M U DAG RAS S &� O w e suspended ded solids to settle out. It o allow most of [h no time t m Y es or eater for enough TEMPORARY drainage eareas3aer Pe drazn gr g Establishment of vegetative cover with rid uda i� g or Es hm g er hybrid berm grass m zoysiagrass by laming sprigs, stolons or SB 'mu effective ZOYSIAGRASS 'ate topography. h Maximum of 3.34 P sP g 1 where there is sufficient space and a ro n t gr y �%��7C'� can be constructed only spa PP P Po P to stabilize fine-graded areas where establishment b sod is not referred. BASIN plugs Y p SEDIMENT life is I8 months unless designed as a permanent pond b a qualified ofess;onal. ESTABLISHMENT A flexible tubing or conduit, used before permanent drainage structures are installed, intended to conduct Application of plant residues or other suitable materials to disturbed surfaces to prevent erosion and �� • Q� TEMPORARY. T50 concentrated runoff safely from the top to the bottom of a disturbed slope without causing erosion on or reduce overland flow velocities, Fosters plant growth by increasing available moisture and providing �y TSD O below the slope. 3.35 MULCHING M U MU insulation against extreme heat or cold. Should be applied to all seeding operations, other plant materials " ` �^ o3 rq 3.15 SLOPE DRAIN which do not provide adequate soil protection by themselves, and bare areas which cannot be seeded due to the season but which still need protection to prevent soil loss. ` OpF A permanent concrete -lined channel constructed to conduct concentrated runoff from the top to the * p slope. SOIL STABILIZATION B rteOt of �" The installation of a protective blanket (Treatment 1) or a soil stabilization mat (Treatment 2) on a r 3.16 PAVED FLUME P F bottom of a slope without causing erosion on or below the slo 3.36 BLANKETS & MATTING prepared planting of a steep slope, channel or shoreline. A permanent channel designed to carry concentrated flows without erosion. Applicable to man -made v� 10 STORMWATER channels, including roadside ditches, and natural channels that are modified to accommodate increased Stabilizing disturbed areas by planting trees, shrubs, vines and ground covers where turf is not preferred. S�� 3.37 TREES, SHRUBS, VINES VEG These plant materials also provide food and shelter for wildlife as well as many other environmental * ,� 3.17 CONVEYANCE flows "generated by land development; not generally applicable to major, continuous - flowing natural O AND GROUND COVERS benefits. Especially effective where ornamental plants are desirable and turf maintenance is difficult. CHANNEL streams, reduce ou to ed w am [lets rrrt drain be to sto 'I i basins sections and/or stilling ' a channel / 'on of n 'nstal lau 8 The Pr P Protecting existing trees from mechanical and Pr to e other in' u du ' nn land -d' curb' is to and constru 'on activity enters ctt t rmwater r t or sto g w ' i bef e g veloctt es ) rY o T g reduce n TREE PRESERVATION d ed R ERVATI N g an to r S t ets O Y scouring a tout from sc 'n d under-cutting f 0 sro an Lot OU taier g i TP 'va o CU to ensure the survt 1 destra ees w f desirable trees here will 1 effective ectt a fo rosin d N r erosion an sediment o T P PRO TEC 10 O TP m nt contr 1 and OUTLET Y e uric below es o ' channels be o these 'v n c ece tr g >`��' AND PROTECTION , provide other environments] and aesthetic benefits. . •� . I ' t wherever er oil a installed here s v e Dose angular stoner tai I err ] erosion S 'Stan and cover of 1 ern re A permanent, g 8 gro - u a d v Red ctn surf a an a movement c air m men[ of dust during an demolition nn land disturbance emott nor construction �y I� od g g 'v v o'1 may e vegetative are such that s t m v expected e etatt cover, etc. su turbulence and velocity, x 'ti water fur JO N conditions, ons Y b O Y• Per g D CONTROL DC RR UST COT OL in areas subject to dust problems in order to prevent soil loss and reduce the presence t 1 RIPRAP ) p p t p of potentially , 3. D under design flow conditions. harmful airborne substance. �o,p.LT N, p,1,t �� ASK D X, 1 . ' - SEDIMENT BASIN SCH Al TIC Soils Map /fOpQ�fE�1U ' , �„• i' C4' �M" ,t 1, '�. ;44.e • - ".::N' t " -s}r , :. X-.• , •t� • . r , e <,Y; /' , r., • `� t'p t�'b ,• .' •�T'., .P,y.::'; - ; '..fr r z,T Date: CREST OF EMERGENCY Sediment Basin Trap n Structure '•. '.� • Calculations M. `, ucture >•.��fi• .�...r. ,,�..: �. ��. ,..�,,, .. t' Bioreten io ;} �, . .� , r•� .,.,:� ', Revl.lom SPILLWAY p � it � • ;- , ♦•,��'erY�.t+ i': • .', .., 7 �•. DESIGN STORM ELEV.) A R • J. j "r rt rc -.~+ �•`~_'•� ~ ~'ti ':r.' i t:. ( Total Drainage Area: Total Drainage Area: 6.88 acres to a 6.88 acres r•• :;� �' ., ' � -�.,. - `� r;:R -�'_ Y i�ri Lrlr ~��, L.l /.Y' _ TJa -•". V MIN. 1.0' 35R'0o Required Wet Storage: 461 c Runoff Coeficient: 0.75 ?Yi F- `� ``' '- j `' `' ` ` ' »� `':• ;`.i ?" `= Required Dry Storage: 461 cy Ca2 Intensity: 5.2 iNhr November 13, 1995 iV_ f _/_ ------ {,-: , e: - 7' 22 r P Y, ' .� . S(, -, �I ��";-._, 4= `� f' }._; '%rrr,•�� December 1995 MIN. 1.0' 1 ...... 356.00 Total Wet Storage Provided: 610 cy First Flush Storage (0.5 "): 461 cy I � RISER CREST ritt�, !,' !s � ,' Y„ Total Dry Storage Provided: W cy Embankment Elevation: 354 - t 1 lt°�l�' •.. - '.: °_° a " E �Eiznn GRIST I;I.EV. (BEYOND) - 3213 * . ,. ,4 -ti. �,�' �� ;,,A '��. =,� APRIL 67 C,Y,/ AC. DEVICE -%.0- (70 "D4A) Total Storage Provided: 1220 Cy �� t ~' � a.� h. #��. ,.�� »,,v; ,� ^•W� '' �.. : • ;, k; NPF -I(. f,4 199& " DRY ' STORAGE q o" *t'� 3rq,50 Secondary Filter Storage (1.0' 922 cy SI;GONpARy FILTER C 1•o" = 35�o y � .t site~ ' r Runoff Coeficient: 0.75 Embankment I •'` -`' �y.'" 1. AID 1�1�0 e t E evation: 356 ,. .4 •� ,,,,;V4 i -,. , , ; n. s. f + -: �Y:,: , -fit � ,. � '• .i =.. - 67 C.Y. AC. a r 1 �E 72C3 WET :z7 72c « " Q2 Intensit 5.2 iNhr � _- WET STORAGE .:��=•:,,ir- ttitijr; tiff - .t:r.: •�.�,• Y• � -:� .4, - R.•� r :i Total CFS: 26.83 Berm Crest Elevation: 358' FIRS LUSH t 5 352.25 t i r D• A8 s t • 6 Riser Diameter: �� »3 •f• _ SEDIMEPrr CIEANOUT POINT Barrel Diameter: �O " `'^ -�• E p 'I '• '� ; 88 ,ti0 , yF% '` 71 ' (" WET " STORAGE REDUCED i`ATN V' ETl,*! TO 34 C.Y./ ACRE:) Trash Rack/Anti- vortex: TL" Diameter /11 Ht. l N - Z• s D is ��.�. ;. ,• •.. • �� • �+�•' -- y,; - � V V V i •r ^� x^� .�. -�� , -y 7203 71D DESIGN ELEVATIONS WITH t✓l�Te� 1 '! FILTER EMERGENCY SPILLWAY J ' 1. FA>3RIG �4•,. •� t $$ „y 4� '�- 88 � � r.- f . (' + i '72C3r r 720.1 71i; ' n :'_" Z *t� t ��nr•: ,,��yy,_ 718 88 : � 1 . 6t •�_ s...r 12D j 72D 3 Sheet TM*: / '12D is 18 as - F 71e 88 t 1996 Flo tT, Pss►zEA E & S Key ? � �;,w 638 -�� •6aC '�'� -,• (.. �� sa �m Sac EMAtAlLr- ��+�n.�Vpp T _ 1 N EPf'►n � "' ( c' 71 B �,`�� D . Drawn: Bio- retention Structure Design Elevations - F11e: Sheet No: 5.10 5 Of sheet: I II I II II .� I -I stem an Ito W provided a DI -7 7A,76 when H s 4' -Ora gredet NOTES in the vent i * in e S B For details sea Srd. ST -1. 4'r o the event the invert �8 r iP IP SR structure _ _ tlr� 3 "Mweep hole l�inwm depth 00 b be 10: Fa greeter depth use o� scan th e,the itr 1 ' , Standard DI Yl wart of me • .29 L b ` tale •.�' 12'min. When specified on plans the Invert Is to be shaped a� �or p prat -- - - --- -- Planners Engineers • Urban Designers ,..• -: --- In accordance with Stddord Plan IS -L The cost of sta+ainq a pending d T I' N N N '^•m a6B,47BA,a furmshmg and placing ad mdNcts incidental to re, water n the strveWe. _ - ti A A e c c a . ", I snap g n a he mduded m net price Da 1a the drop -- BLOCK AND GRAVEL DROP INLET GRAVEL CURB INLET SEDIMENT f SEDIMENT BASIN SCHEMATIC ' N t � 14„m; ..:2';. r ^k' complete. SEDIMENT FILTER FILTER TER This item asset a t Ct m ' • - R t in bee concrete to be lass A3. For precast A- a -4'oz, 36'PyeT 220 East High Vi et ELL' VA TIDNS - """ ' � � •' I re P • • AN Sheet 10303. ` r Charlottesville. Virginia WIRE SCREEN CONCRETE BLOCK _ on the plain will be measured from the Irnen d me out. PLAN t•O CREST OF EMERGENCY « -4 -iO" 2'P1a*) pet rg �- SPILLWAY a, .1 ' .' ' •:'..�•• The it "60me"iOn shown on fie Stondords and specified SAN A••4' -w'ta p pe) 22901 804.295.7131 DESIGN HIGH WATER °' ICCVER REMOVED) e4- PNYRpeI �`� SECTION A -A toil Steps ore to b. provided Weev Hde i (25 -YR. STORM ELEV.) pipe tithe bD d the structure. Plan When fart to be p td (COVER REMOVED) �• "_ 1 ore approximate for estimating purposes the greater. (as requiredl1 MIN. 1.0' 9 T �•--- r- 7•-•-- -1 9; ochal 11H anions snail betdetermined by the Contractor For ship details see Std. STA \1 MIN. 1.0• Removed) C•C a De placed Dowels ores od)oceM H txffon Me vent of C n ertpd fIf shoes ls (Far detal� see tReat 2d2) w, I _ I (� tails I Cove f--- •fir_ • "w demos _ e CONCRETE 011ANTITiES FOR MIN. DEPTH Rr 'a sae., 2d2t -�` ---'�' - '' ..:.`( RISER CREST yl, 12_'cont. pipe- 1s40 CuYds Concrete yaI be • �_ - t - - - _ _ - _ - fr .� ^./_ r Weep hits ..1" t2 "s 12" Dbstic hard we b abutting concrete to prevent shaped with Cement mortar a prevent sendrq Leer nr:rs% 67 C.Y./ AC. IS cone. pipe- L528 Cu.YdL Concrete a pT� - ♦o 3'dianeter Weap tits w1M DEWATERING cloth v4' mesh a golvowxed steel wore, tetlNment. px's'g d Water n the ttnrctua The cat for a... 12't12'"he hardware cloth >✓ �� .i" �f "e-,r OR'r ' STORAGE DEVICE mmrnum wire dta. 0.03 inch, number 4 h hsu d dowd0 a 2"a�noich may M I6" cox Ape - L620 CuNds. Concrete Inv shoo N *10 be Inck M in ee pee bid for # I mast, or gohvdted eteN Weep Hale laid 0469 Cu.Yds. additiend fool d itx number 4 mesh had- W >° { mesh hardware Cloth anchored firmly a povided.See SPaidord T•DI-3,4 ��c°^cpipe- d0 6 Yds. &pare slnrtNS. d Sv `..� w:e, milimvn w:s doe. 0.03 i:� (as reeiiiedt 67 C. AC- _ outside of strvtMe. alternate d.si n. wo,•s cloth anchored fully EACH LIFT OF THE FILL IS COMPACTED, BUi THE OUTER FACE ' WET ' STORAGE @ b oudsde d struct re, SECTION ST L SECTION UST I -� ;-- ,�iS'.... -t: . Iltlp' FE '� Rtyl a fl OF THE SLOP[ IS ALLOWED TO REMAIN LOOSE SO THAT THE 'm;,i,lilrll <•S!>;. , - -.,+• _ Y -6' .. : a•,• a,::; � •-« NOTES > .. I - '� r ROCKS, CLODS, ETC. REACH THE NATURAL ANGLE OF REPOSE. L2 s2'•X 2_T' s b a I' -3 i I y'•, = s _t I - � -L /� / �� - p-4•brp _ -3# Lug I sEdMEM STORAGE POUR 6e .tided I cos} rrtft c0tror ; FILL SLOPE TREATMENT (' WET • STORAGE REDUCED ,� ...�i TO 34 C.Y. ACRE N � � ' 4'decth rsggratple � I Any Olternatt methods d anchorage. I 1 aC'width. (, coo Ds substituted far the cost iron b - '; '-• ' ,• _ 1 GRAVEL FILTER' t7 ` ��0 �� j b meatIng the 0DProval d the Engineer, - DESIGN ELEVATIONS WITH ' °f shown hereon. Wela 43.eIDa 66,3IDs. Brace Ride t • .... Y '• Source: Va. DSWC Plate 3.29 -3 op".", HEIGHTCHAAT GRAVEL' FILTER auNOfF WATER FILTERED WATER } - EMERGENCY SPILLWAY rot Q„K,� " L i ' EC iCN % - - SEL7ICN RECOMMENDED MINIMUM WIRE SCREEN N'a• `• }„_ O O O p O O ~ FOR USE WITH 12' TO 4Y PIPES For details of Precast DI -7 not shown hereon see PIPE CON[. CORR. METAL FlLTERED WATER ; . - CAST IN PLACE 4 � PIPE H DIME VS;ON �--�� -.� -•s. -, -� } '. _ GeLY STEEL CAST _t OVERFLOW /•'-'✓ .• - _ \ is IRON t- I• f J �`.' r • 1 I • }PIT ° 4" lugs . IT "i l'•'• 2 �•}- Class A -3 caops!e ro De used. t r ra• r•s• RUNOFF _ � _ - � _ � •.. \ DESIGN RICH WATER T T e4• Shad Sheer 1" q FF-- Mcslm++nl dtpr., 00 lobe lT•A' Precast Unit Assembly Diagram, page 103.01, WATER o P' "mot _ T conrwcwre I Precast General Notes, page 103.02 and ts• -;a t: a• ra (25 -YR. STORM ELEV.) P 9 WITH 1 I _ 11�= y MIN. 2.0 1 I" Pipe te• I t•.ta I r -t t• SEDIMENT ..... ., �- I t -o a I I �• fe •N.• -. _ MIN. 3 -0' I " - f2• tS• IB• 2d 3d 36• a2' Applicabie Precast Base, Riser and Top 2r 7 -x yr 7 -r loll - I ao,. jl I „' •%":.. + I -.. : _ G.Yds y pages 103.07 thru 103.12. 24• I X -�ur I r -SP n -- O ---L Deatm^H ix Details, xr r -to va• I rr 0.5 1i�_ _ 1� �' iI r 74 Y -3 4 2 =6 ' 7.1' 7 -7 ' <•Y 4. SEDIMENT I II I - - i .u. ....... T.. _ 1 , I t or I a•. ia• I r -r contnti �� `" SECTION C -C ea has ties Lug LP vat 1192711 PROP INLET - III "' �� •_1 . I 67 C.Y./ AC. �:.'.' 7 -� 36• a•.a• a• s• GRATE DRY' STORAGE TI.-if-4 f-y Inenmrm pet RtotdaddNpd depe,(tl 0.362 N.yds.ltY- ]6'Ape) ar s'.x ur a•.if- WITH ; e • APPROXIMATE WEIGHT �•D410 a.Tde•(a•Pipaa SEDMEHi ' e CONCRETE GUTTER ,2- - RISER CREST SECTION B-B DIMENSIONS FOR Reinforcing concrete footing m be recast or in lace. Two CURB INLET �Y�Y �. .. .. \ - - � .... . • . 9 n4 aY D p , Cc con PRECAST 67 C.Y. AC. °::.7::ri': - °:.. UST (IRON ONLY lifting ,woks o/ fabr ptors design to b. provided n Precast footing. / �_ ._ :.:.: :•.':: :.,_ ?; Grate 363 s 181M D 9 D D WET ' STORAGE DEEVVI E RING DI -7 - No gutter GENERAL NOTES SPECIFIC APPLICATION !`::ii:ri•• Ywements shown are M inlets without pipes, pipe daplecemees must M cX !!!, t- •^ i ^it rtY•1: D -7A- Single gutter When hop Inlet s an a grade. When specified m plow; the i "t a to be shaped in occordace with 3rd, deducted a Man true ti ontmes. SPECIFIC APPLICATION DOZER TREADS CREATE .'. •, , ' / D -78- Nubia Vw when drip inlet 's in a sag batwe, tWe grades S -L Paved d!des are Io be bdmnirned Is meet turd quite as shown in Sid. PI THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE GROOVES PERPENDICULAR ., Safety Slabs are to be provided at 8' minimum and 12' maximum HEAVY FLOWS ARE EXPECTED AND WHERE AN OVERFLOW TO THE SLOPE. // SEDIMENT CLEAIOUT POINT DETAILS OF COLLAR AND GRATE The type d inlet defoled hereon to N Constructed ell bear one opts d Far deals d MIICee cover, allay and rate, all method the contractor. Adler see sheet 2 of 2. g plae^9 aDDnaat" vertical inter Di all are ec be seated n in not b conflict with THIS METHOD OF INLET PROTECTION IS APPLICABLE AT CURB INLETS opaningsbrpipeasedlrsttsdbr the Enginesr. CAPACITY IS NECESSARY TO PREVENT EXCESSIVE PONDING DESIGN ELEVATIONS WITHOUT WHERE PONDING IN FRONT OF THE STRUCTURE IS NOT LIKELY TO CAUSE � � � SPECIFICATION AROUND THE STRUCTURE. - SPECIFICATION INCONVENIENCE OR DAMAGE TO ADJACENT STRUCTURES AND UNPROTECTED STANDARD DROP INLET REFERENCE REFERENCE STANDARD MEDIAN DROP INLET AREAS. l EMERGENCY SPILLWAY i2' -24 PIPE MAXIMUM DEPTH(H) =10' 233 241 • GRAVEL SHALL BE VDOT 13, 1357 OR 15 COARSE AGGREGATE GRAVEL SHALL BE VDOT /3, 1357 OR 5 COARSE AGGREGATE TRA CITING (RISER PASSES 25-YR. EVENT) VIRGINIA DEPARTMENT 302 503 VIRGINIA DEPARTMENT OF TRANSPORTATION 104.07 TRANSPORTATION Sheet I of 2 104.22 ST OP TP SB TEMPORARY SEDIMENT TRAP, 7.7A.7B PIPE OUTLET CONDITIONS FENCING AND ARMORING RISER PIPE BASE CONDITIONS 1 1' VARNRLE• A A FOR EMBANKMENTS LESS I ''-°" ,._ ° "� -,•_ °» - 6 ReQd_ -SCd. PG- Pay Line For Inlet / t %J' -6" Bars C VARIABLE*. - THAN 10' HIGH �� -- _-- --, - - -,�' I Construction paint o �'• - Channel A: �_ - ;- � __i =_, 6,ID 1• -0 4 7 "i Bar 8 --I 1� aw. - La 3d - ------ ---- -- = Outfall CFS: 8.50 B C o 6» 6.. , 3._8.. 67 a YD /AtI1E • do I CONCRETE BASE FOR EMBANKMENT 10' OR LESS IN HEIGHT Slope: 10% A 6" A ^i vARAaE PIPE OUTLET TO FLAT I p AREA WITH NO DEFINED DRIP LINE I 1 - Depth: 0.2 inches ,� --- �-- � SECTION B -B SECTION C -C CHANNEL Width: 4' I o� '14'-4" 0 en areas of ends 1 1 /2" Double -Extra - 87 CU. YD. ACRE 8" y • ng. PLAN VIEW 4 MAX. Side Slopes: 2:1 DiDcs to De sec led Strong Steel P,De 2" Oio. sold Steel (EXCAVATED) I 1 -'- b slit • 6.41 LDs. /FL Be, .10.68 lbs. /Ft FILTER CLOTH p1nmNAL 10' OR LESS L& SNOW FENCE 0 I 1 1 I Weld Weld weld Wetd c/rouND � 1 B C rl--- Pte Oetoill A -'' 8' -0" L 2 1/2 "X2 1 /2 "X1 /t" ............. L 2 1/2 "X2 1/2 " %1/4 .. II L 2'•X2 "x3/6" .SEE PLATE 3.13 -1 COARSE AGGREGATE- CLASS I Rs•RAP 0 7. � Sheaf Connector stew Connects I' S /B" Holes to De drilled d 6t, �, L 2 " %2 "X pipe of each CROSS SECTION OF OUTLET ,wt I I .�0/2 IL °'t°°" Dip ALTERNATE DETAIL A - DETAIL A SECTION A -A FILTER CLOTH KEY IN C-Y: RECOMMENDED FOR ENTIRE PERIMETER Q . � � Channel B: Y r L Ii Outfall CFS: 4.63 No, CUSS I RIPRAP y•� 0 LENGTH ON FEET) - A BOARD FENCE � '�, � IN SI�fYe• 10% /O • 1 _0" on back slope ads d )Net DI -7 On r B % DRAINAGE AREA A'•R � GORO E 20 COt4eRCfE Y qe oc4 Apron s b be eorntructed b a depth d gr-,rr (ter AC.) Y• r '�• �rI"` Depth: 0.13 inches "'ed rO a site the depth is b De 1•_0.. s b ill) `�� DIVERSION u 3do (MIN.) Bo Pay Line For tole ER SI _ _ A f PIASTC FENCE Width: 4e <e snakier e4vapan wticnevN is the lesser. STEEL BASE' FOR EMBANKMENT 10' OR LESS IN HEIGHT ° Ir ♦• Atlernote methods d anchoring arNle 'N -��" �- d I CORRECT METHODS OF TREE FENCING Side Slopes: 2:1 0•. iron w* be acceptable if approved by 0 15X4• -0" Bars A are Engineer. Cor1or ord ate se to De zed ��..- 1 PIPE OU71ET TO WELL 7 gr"On' occordonce wiol Vet specifications. DEFINED CHANNEL T C PLAN VIEW I �tll1.� ll�+ as 2" w t Outside dimensions d gate to be 3'-4-'x2--II 3/4 to OR LESS S" All 0ncrete to be Cba A3 L is _ _ e a TYD• 3" Did. Nsmd ditch s b be trmsitised to lie r/A •:I 4. LDs. Raids. Dg Steel Ouon6lies ahoWn ore Dosed on depth H - `�� ~~ In _ 1 4x1' o'BBors Weep Hde 'APPROXIMATE QUANTITIES :d;r4y into gutter. Ditch grade s to De Re C adjusted a necessary b meet grate elevction ' I COARSE �TC••`` � Channel C: g0 C IH 4.091 Cu Yds. Gass N Concrete ° d Outfall CFS: 6.84 lm,ement per foot of 5 AREA - - _ depVl(H) .0. }62 Cu. Yes. The amount d concrete disploced by pipes E1N7AVniED FILTER CLOT" �'\ • 8" C -C 6 Read- Sloe 10 °/D /// SECTION A -A r _F rryytt 0 D/2 I P 87•" must be deducted b obtain true quantities I� FILTER clnnl KEY IN 1r-tr. RECOYYENDED TOR ENTIRE PERIMETER yt � I/ �\ - t,A„0IDA Depth: 0.16 inches 8 "I- J'-0 "-18' I 1 -112 Cu. Yds, Concrete to be For each toot d difference in depth H �, was r ��•-4 "� owed when double gutter is odd s subtroct incremerit as wn . NOTES: 1 APRON L1N(NC MAY BE RIPRAP. GROUTED RIPRAP, CABION it � Width. 4 re0ured. ••COARSE AGGREGATE SHALL BE VDOT 13, 1357 OR 15 BASKET. OR CONCRETE. plea YYt 2. La IS THE LENGTH OF THE RIPRAP APRON AS CALCULATED ere CORRECT TRUNK ARMORING OUTLET (PERSPECTIVE VIEW) USING PLATES 3.10 -3 AND 318 -4 .+ 2D 1/a STEEL PLATE Side Slopes: 2 :1 SECTION A -A T0. - D1-7A, 78 for deans old aimerniorn not shown hereon• O d w 1 S TIMES THE MAXIMUM STONE DIAMETER. BUT NOT p' LESS THAN 8 INCHES TRIANGULAR BOARD FENCE O OUTFACE DITCH SECTIONS /CALCULATIONS K�E� sheet STANDARD DI -7, 7A OR 7B WITH FLUME CONNECTION " r2 J �, VIRGINIA DEPARTMENT OF TRANSPORTATION • ct ' - FIN 23A e -pS DC 4_4 •� SF SF SB CE � � CONSTRUCTION OF A SILT FENCE CONSTRUCTION OF A SILT FENCE RECOMMENDED DE STONE CONSTRUCTION ENTRANCE TABLE 3.32 -D (WIT)KOUT WIRE SUPPORT) (WITH WIRE SUPPORT) TABLE 3.39-A SITE SPECIFIC SEEDING MIXTURES FOR PIEDMONT AREA 1. SET THE STAKES. 2. EXCAVATE A 4'x 4- TRENCH SYSTEM FOR SEDIMENT 1. SET POSTS AND EXCAVATE A a•X4• z STAPLE WIRE FENCING TO THE POSTS ADHESIVES USED FOR DUST CONTROL UPSLOPE ALONG THE LINE OF TRENCH UPSLOPE ALONG THE LINE 70• NIN Extsrtrx Total Lbs. STAKES. OF POSTS BASINS (.� ,j, A 3 S;AVEttENT B wuc Water Application Pcr Acrc'� Minimum Carc U%vn / �� / j _ I ; _� _ 1 _ Dilution Type of Rate I( b f I� nlnEN clung 6 MIN., A ,"""'!,Rt;,u; eCR" Adhesive (Adhesive: Water) Nozzle Gallon;/Acre � �"" - Commercial or Rcsidcntial 175 -200 lbs. �� ' �. III ! I I t )1 l ( �� PRRrnDE ADEOWTC SIDE ELEVATION (! / �, ! _ ( •' STpAPPM EXISTING GROUND Anionic Kentucky 31 or Turf Type Tall Fescue 95 -10010 //-mil _ / _ 1 I t7--�/'� Improved Perennial Ryegrass 0 5 °o FLOW i j I" �' - , II ( II POLYETHYLENE CAP Asphalt Emulsion 7:1 Coarse Spray 1 ?00 v.I Kentucky Bluegrass 0_5% I!' II t-_;I = oil . 91 1i1�I'° r _ - - _l _ t B VASHRACK to "'" Latex Emulsion ]25:1 Fine Spray 235 O 4. lli1h1- Maintenance Lawn 200-250 lbs. / I - � /' ��- °- ROf1llY,rul _ 3. STAPLE FILTER b1ATERiAL 4. BACKFIL[ AND COMPACT / -- ` 4 - DEPTH J '� l,' Resin in Water 4:1 Fine Spray 300 �+( TO STAKES AND E!UTEND THE EXCAVATED SOIL. I u -�I u'-' TACK wEID ___ VARIES AS 1p Nlrt 0I FLOW III III PERFORATED POLYETHYLENE REQUIRED 12' "iN• EXIS7Irx Kentucky 31 or Turf -Type 'hall rescue 100.0 IT INTO THE TRENCH. Il III FOR • DRY ' PAVEHL14T Acrylic Emulsion 4' DRAINAGE TUBA+G. DIAMETER STORAGE Non- Traffic 7:1 Coarse Spray 450 L VARIES (SEE CALC(AAIJUNS R4 ( ) p y P� O .� APPENDIX 3.14 -A) - !mot r ` General Slope (3:1 or ICSS) 3. ATTACH THE FILTER FABRIC To THE WIRE 4. BACXFILL AND COMPACT THE \ 7_ Acrylic Emulsion I , Y e Vtn, e1 '� POSITIVE DRAINAGE 10• "IN. ry e FENCE AND EXTEND R WTO THE TRENCH EXCAVATED SOIL 1 COURSE AGfREGATfE e I 10 S[UIrENf �- (Traffic) 3.5:1 Coarse Spray 350 - Kentucky 31 rescue 123 lbs. % _ - WET '"AP lfi °EV'fE{ ' 'FERNCO -SHE ' COUPLING STORAGE I / ' • ` , , ; • uusT EXTEND FULL ROn, - Rcd Top Grass 2 Ihs. Of INGRESS AND EGRESS -9 - Scasonal Nurse Crop ' 2 Ihs / �~ _I �•/ (/ I- W t` DEWATERING ORIFlCE. PLAN VIEW 150 lbs. FLOR i y,.a� '• i tr MN. SCHEDULE 40 STEEL STUB 1 -FO01 MINIMUM, I I /� DIAMETER VARIES.(SEE CALCULATIONS IN ixw- Maintenance Slopc (Steeper than 3:1) _ !_ CORRUGATED METAL RISER APPENDIX 3.14 -A x =1 IuI• = Ito I�ri - - ,p r MtH. • Kentucky 1 Fescue 108 Ihs. SHEET FLOW INSTALLATION II11 IIII S MIN. Y - (PERSPECTIVE VIEW) Rcd Top Grass 2 lbs. O j fIITER CLOTH J -. Scasonal Nursc Crop ' 20 Ihs. FLOW 1` i FLOWI° SECTION A -A �'_jjj� / //' NOTE: WITH CONCRETE RISER, USE PVC SCHEDULE 40 STUB CrOt''11t'CICh " 20 Ihs. A +-+ A ° FOR DEWATERING ORIFICE 6 -Y 150 lbs. 1 B 1 - - '• r - - - EXTENSION OF FABRIC AND 'WIRE INTO THE TRENCH ' Use seasonal nurse crop in accordance with seeding dates as stated below: /� /T� 4 ¢�, \ \ \ \4 �/ eDRAINAGE TUBING SHALL COMPLY WITH ASTM F667 February 16th through April ER L FABRIC Annual Rye ��''l�_ _ `r \ \ \\ FI r AND AASHTO M294 •RANK D. COX, K ,0 , • May 1st through August 15th ..................... f oxtail Nlillct I �\ TEMPORARY SEDIMENT TRAP August 16th through Octobcr .... Annual Rye POINTS A SHOULD BE HIGHER THAN POINT B. i ( i Temporary Sediment rap Calculations II I WIRE 1 - acINrDRCfo Enrcaett DRAIN �^� Drainage area: D'60 acres -e November through rchru-try 15th ................... Winlcr RyC DRAiNAGEWAY INSTALLATION �II1I � -J1 SECTION B -B g (FRONT ELEVATION) -II '• Substitute Scricca lespedcza for Crownvelch cast of Farniville, Va. (May ��2•S Dry Storage Required: 40 cy i through Septcmher use hulled Scricca. all other periods, use unhulled Scricca). DmcllAl S 5 Wet Storage Required: 40 cy ',fD 77 9 If Flatpca is used in lieu of Cruwnvetch, increase rate to 30 lbs. /acre. All Legume ELEV. GROUND �"I Total Storage Required: 80 ty °�ofESS N ELEV. AL seed must be properly inoculated. \Viceping L(n•egrass may'he added to any slope - - or low - maintenance mix during warmer seeding periods; add 10 -20 lbs. /acre in Dry Storage Provided: 45 cy Date: 67 CU. YD. /ACRE i 3' Wet Storage Provided: 45 cy Mixes. ES-1 ry PG-2A END - SECTION 12v -60 "PIPE ALTERNATE END- SECTION 12 "- 60" PIPE Total Storage Provided: 90 cy OUTSIDE ROAD DITCHES MEDIAN DITCH u wdmaahar we -wetWm 1AAendd nurwt•d -wetm. Revision: sPeaowenMer•W- tecrme 51hgo1mdonrWtwW- secnona _ - Sce detail for weir dimensions. TYPED 30 rare. --- - - - - -- - X 67 CU. YD. /ACRE F November TS D D D• DEPTH Wt W, SURFACE X - X i _ AREA I - }--- - -- (EXCAVATED) Scc tan for trap dimensions. 13 1995 t PER GIN, FL E tarlCrete a be - � E eonerere to be ) p p f , S�peC 4000 PSI Min. 4000 PSI Min FILTER CLOTH ORIGINAL 7 Y -V 2'-9' GROUND _ _ R:N �D� «► t a 4 r - - - - - -- - •-- .__ -_ -_- --------------- - - - - -- � GELEV. '. December 22, 1995 TABLE 3.31 -8 TEMPORARY Y DI VL'RSION DIKE TYPE 0 W, cos K ACES PLAN PLAN -SEE PLATE 3.13 -t COARSE AGGREGATE•• CLASS I RIPRAP lJanuary 30, 1996 FRONT BACK ••'" / rGrC'1 I'�J I��fv SLOPE SLOPE AR Ea Ls I-� C i B C g t r Al 6' 6 1 a'I 7 -I• 46 0565 f ACCEPTABLE TEMPORARY SEEDING PLANT MATERIALS 41 a -r r -7 2 °.Tor' K. B2 , ' t SEEDING 1 A2 6' 6'1 31 3 -D• i.T 42 0509 '6a,, I nee AN 3ns� CROSS SECTION OF .OUTLET a 6 1 3 1 , - I z -I 92 DITCH AT TOE OF FILL OR TOP OF CUT "QUICK REFERENCE FOR ALL REGIONS" A3 6 6 I z I 3 -o x 3a 0463 TYPE E i sw iMrc �'• B 6.1 2 1 t -I 1 -6' 62 12 Y -3' 2' -Y 0500 r B1 6' 4 I 4 1 2••1' 2' -I 38 0463 - e 4 1 4 1 2 -9 -9 62 0 BN I I 1 CLASS I RIPRAP Compacted Soil - - - -D--- I- -E - --I 1-D� I- - -E --i LENGTH =4' Rate 92 8 4 1 3 1 _5 2- 72 0537 �- - ro' a 1 s I 3 -s" z' -e" 130 0 6 T � SECTION X -X END VIEW SECTION X-X END VIEW Planting Dates Species lbs. r B3 w- i 1 - ' !'- 6 oan p 2 1 Y -3' I' - i nl 0563 /� % AM AEN -S TIION DIMENSIONS s- , 18" min. B4 e' a 1 11 I ' -e' i- " SAS END -SECTION DIMENSIONS r`\ o.� \ 1 4 .1 IV2 1 3' -5' 1' -6• 101 0546 12 4• ZA, 4' -1" 6' -I' -0 ` •- 1''10W B• ! I 2 1 2•I 1 -6 50 03 ?e OIAM. A 8 C D E •_ - ` - / DIVERSION ��I_ I'I� f'II�I IIIIII_ II''IIIIII _ CI 0' 3' 1 2 1 2'•tl q 9P 12" 4" t'•0" 2'-Y 4 -0' 2'•0" 6 -I ��a.r �- �// DIKE Sept. 1 - Feb. 15 50 150 Mix of - 11LI ILIIIIn 811 llllll llllll ll1lll- C2 15" 6' r -3• r -9' a o" z -6- z 9 �.... _= io 3 I 1 1 -e I.2 TO oa26 24 10 3' -7 -8" 6- 4- `=_ �__ �_ / �- Annual Ryegrass 111111 _ II _ " It' za• 9 s -T z -s' 6.0 �_o z lour 4: 2 -I' 4 4% \ � (�lium multi- flO�m)multi- flo�m) PLAN FOR TRANSITION OF PAVED MEDIAN DITCH TO MEDIAN DROP INLET GUTTER 3p" r -p" a• -6" 1'-7' 6'•IV 5 -0" ,. e_I . A & 50 - 100 - 4.5• min. -•� 36" r -3" 5••3' 2'-p ;" 8'-1 " V0' 42' 2'- 3 2 -II" 8-2 6 -6 42" I.9' 5-3" 7-II' e'2" 6 6' 48 2.0 6_0 7 -11 8-2' T 0" - �� Cereal Winter Rye E D C B V ALTERNATE METHOD 48 2'0" 6'•0" 2-gl 8• -2' 7.0' �r T�� ' 11 I^' 34" 2=3' -5 2._9 }' g-2y. T -6" / / .�__ �- �- �- y ..1 6 " __ _ _ ��e�ale�ere:ll� , SECTION E -E SECTION 0 -0 -1 L•s w *cost OF FORMING DITCHES 1I UCT1Ur JOINT MEDIAN -1- I �OPTbNa INVERT I(FLAT BOTTOM) MEDIAN DROP INLET BITTER °a0P F RADttb �- \- �Y 111111 %996 PAY LANE a,LET Curtain wall a de located d / \a- Feb. 16 - Apr. 30 Annual Ryegrass 60- 100 I' and'ant °' we a °' death I _ _ COARSE AGGREGATE � ACT j 5 Sheet 11 e ode on the lows end d each �y/ a. - �I�ilnm multi-floRlmlltm mUltl-f�ORtm) E APPNOACH PAVED { C B expdsa, lour b"•� 0°a"t"o"" MEDIAN pTCH J -r ore h qtt. H the canrracrar aNtN EXCAVATCD -_. Sloo• 18» �� Tqn e _ - - to we Ric dtrnaN a«pn ueed an AREA FILTER CLOTH p 113 ► `L� � Construction/ NOTES, far sectipW C-C and B-0 ore StawdwdF DI.7A and of-T& �- xy cAandctw. ee nafarnce hs wtl ba r.due.d oy / nL `�� E LL • "" Trwinil i Pathan of paves ditch to a Pa,d tar at aw,amt - L 6» fr dilhranc. nOrtN�tan -D '' ��ta�i� D ' May1 - Aug German Millet 50 P'K• � per "- "°'° "°"°°`" pa•.d 1n.diae •teK 1� - � 4 eV71�� Q� y rT Pia. PG- 2A eitcMStoM eWS: A3 to"aete CURTAIN WALL SLOPE DETAIL E lX. S Details b (�- - ($C11ria italicl Ca) SPECIFICATION I SPECIFICATION "COARSE AGGREGATE SHALL BE VDOT ,/3, /357 OR /5 Drown: REFERENCE STANDARD PAVED DITCHES REFERENCE FLARED END - SECTIONS FOR CONCRETE PIPE CULVERTS $02 VIRGINIA DEPARTMENT 302 VIRGINIA DEPARTMENT OUTLET (PERSPECTIVE ,VIEW) Flle: TRANSPORTATION 109 OI TRANSPORTATION 102.01 Sheet No: Source: Va. DSWC - 6.00 • S 2 96 ) II LLx K I