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Home My WebLink AboutWPO201400008 Plan - Stormwater 2014-06-18w 00 W. X E N I Is I I !Lz Enu GAC U- PGRADES NUH q7 MARK BI H P 322 .......... N fD AWER Environmental Engineers & Scientists 4011 WestChase Boulevard, Suite 500 Raleigh, North Carolina 27607 NC License C-0381 LTH o BRILEY Lie. No.050642 L APPROVEL) CAROM flb Development Depajiffle-ni FINAL DESIGN NORTH RIVANNA WTP DWG NO DESCRIPTION CIVIL E3651 C3300 EXISTING CONDITIONS AND DEMOLITION PLAN C3301 EROSION CONTROL PLAN C3302 GRADING AND DRAINAGE PLAN 03303 STORM DRAIN PLAN AND PROFILE C33044 BIORETENTION DETAIL PLAN C3306 STAKING PLAN MECHANICAL FILTER BUILDING GENERAL PARTIAL FIRST FLOOR PLAN - DEMOLITION M30 PARTIAL HYDRAULIC PROFILE M31 PROCESS FLOW DIAGRAM SITE WORK PARTIAL SECOND FLOOR PLAN - NEW WORK M3100 YARD PIPING PLAN M3101 YARD PIPING PROFILE M3102 YARD PIPING PROFILES FLOCCULATION -SEDIMENTATION BASINS M3400 DEMOLITION PLANS M3401 BOTTOM PLAN M3402 TOP PLAN M3403 SECTIONS GAC FACILITY M3650 FOUNDATION PLAN M3651 FLOOR PLAN M3652 SECTION M3653 SECTIONS M3654 DETAILS FINISHED WATER CHEMICALS M3901 CORROSION INHIBITOR SCHEMATIC M3902 FLUORIDE SCHEMATIC FILTER BUILDING M3940 DEMOLITION - FIRST FLOOR M3941 IMPROVEMENTS.- FIRST FLOOR M3942 IMPROVEMENTS - SECOND FLOOR M3943 IMPROVEMENTS - SECTIONS STRUCTURAL GAC FACILITY 53650 FOUNDATION PLAN 53651 BOTTOM PLAN 53652 SECTIONS 53653 SECTIONS 53654 SECTIONS AND DETAILS FILTER BUILDING 53940 PLAN AND SECTION ARCHITECTURAL GAC FACILITY A3650 PLANS A3651 ELEVATIONS A3652 WALL SECTIONS A3653 WALL SECTIONS 0- CKI 0 J s / o a r; C N 3 2 N }, _N „ N Co Fit a Ltj C ¢ RE' N X :2i 0 N f i HVAC GAC FACILITY H3650 PLAN ELECTRICAL SITE WORK E3100 SITE PLAN - DEMOLITION E3101 SITE PLAN - NEW WORK E3102 NORTH RIVANNA WATER TREATMENT PLANT PLAN AND PROFILE FLOCCULATION -SEDIMENTATION BASINS E3400 TOP PLAN 12/14 ISSUED FOR BID 12/14 STATE RESUBMITTAL 08/14 FINAL DESIGN DWG NO DESIGNED DSB DRAWN DAD CHECKED 3 PROJ.ENGR. DSB GAC FACILITY E3650 FLOOR PLAN - POWER AND GROUNDING E3651 FLOOR PLAN - LIGHTING DSB DSB qI�SB BY APPROVED DWG NO DESCRIPTION GAC FACILITY E3650 FLOOR PLAN - POWER AND GROUNDING E3651 FLOOR PLAN - LIGHTING E3652 SINGLE LINE DIAGRAM AND ELEVATION E3653 PANELSCHEDULES E3654 RISER DIAGRAMS E3655 ELEMENTARY CONTROL SCHEMATICS E3656 ELEMENTARY CONTROL SCHEMATICS E3657 CONDUIT AND WIRE SCHEDULES FILTER BUILDING E3940 PARTIAL FIRST FLOOR PLAN - DEMOLITION E3941 PARTIAL FIRST FLOOR PLAN - NEW WORK E3942 PARTIAL SECOND FLOOR PLAN - DEMOLITION E3943 PARTIAL SECOND FLOOR PLAN - NEW WORK E3944 SINGLE -LINE DIAGRAM AND ELEVATIONS - DEMOLITION E3945 PANEL SCHEDULES AND RISER DIAGRAM E3946 RISER DIAGRAMS E3947 CONDUIT AND WIRE SCHEDULES A. O r C40 EXISTING CONDITIONS AND DEMOLITION PLAN C41 EROSION CONTROL PLAN C42 SITE AND DRAINAGE PLAN C43 BIORETENTION DETAIL PLAN C44 STAKING PLAN LANDSCAPING L4000 LANDSCAPING PLAN MECHANICAL GENERAL E410 M41 PARTIAL HYDRAULIC PROFILE M42 PROCESS FLOW SCHEMATIC M43 SODIUM HYPOCHLORITE SCHEMATIC M44 FLUORIDE SCHEMATIC M45 CORROSION INHIBITOR SCHEMATIC SITE WORK SECTIONS AND DETAILS M410 YARD PIPING DEMOLITION M411 YARD PIPING GAC BUILDING M4650 OVERALL FLOOR PLAN M4651 PARTIAL FOUNDATION PLAN M4652 PARTIAL FOUNDATION PLAN M4653 PARTIAL FLOOR PLAN M4654 PARTIAL FLOOR PLAN M4655 SECTION M4656 SECTIONS M4657 SECTIONS M4658 SECTIONS M4659 DETAILS MISCELLANEOUS YARD STRUCTURES M4840 CARBON TREATED WATER METER VAULT M4841 DRAIN STATION AND BACKFLOW PREVENTOR M4842 POTABLE WATER METER VAULT FITER BUILDING M4940 PARTIAL FLOOR PLANS STRUCTURAL GAC BUILDING E410 54650 FOUNDATION PLAN 54651 BOTTOM PLAN S4652 ENLARGED PLAN 54653 SECTIONS S4654 SECTIONS 54655 SECTIONS AND DETAILS 54656 SECTIONS AND DETAILS 7 BRILEY`a" r Lie. No.050642 "S�01�A DWG NO DESCRIPTION ARCHITECTURAL GAC BUILDING A4650 FLOOR PLAN A4651 ROOF PLAN A4652 ELEVATIONS A4653 WALL SECTIONS HVAC GAC BUILDING H4650 PLAN AND SCHEDULES ELECTRICAL SITE WORK E410 SITE PLAN - NEW WORK GAC BUILDING SITE AND DRAINAGE PLAN E4650 PARTIAL FLOOR PLAN - POWER AND GROUNDING E4651 PARTIAL FLOOR PLAN - POWER AND GROUNDING E4652 PARTIAL FLOOR PLAN - LIGHTING E4653 PARTIAL FLOOR PLAN - LIGHTING E4654 PANEL SCHEDULES E4655 RISER DIAGRAMS E4656 RISER DIAGRAMS E4657 ELEMENTARY CONTROL SCHEMATICS E4658 CONDUIT AND WIRE SCHEDULES E4659 CONDUIT AND WIRE SCHEDULES MISCELLANEOUS YARD STRUCTURES E4840 FINISHED WATER AND POTABLE WATER METER.VAULTS Oft -01 LIIT111 C50 EXISTING CONDITIONS AND DEMOLITION PLAN C51 EROSION CONTROL PLAN C52 SITE AND DRAINAGE PLAN C53 STORMWATER PROFILES & SAND FILTER PLAN C54 STAKING PLAN MECHANICAL GENERAL M51 PARTIAL HYDRAULIC PROFILE M52 PROCESS FLOW DIAGRAM SITE WORK M510 YARD PIPING DEMOLITION PLAN M511 YARD PIPING PLAN GAC BUILDING M5650 FOUNDATION PLAN M5651 FLOOR PLAN M5652 SECTION M5653 SECTIONS M5654 DETAILS MISCELLANEOUS YARD STRUCTURES M5840 BACKFLOW PREVENTOR, OVERFLOW STRUCTURE AND FILTERED WATER BOX FILTER BUILDING M5940 FIRST FLOOR PLAN . M5941 CHEMICAL PHOTOS STRUCTURAL GAC BUILDING D2 55650 FOUNDATION PLAN S5651 BOTTOM PLAN 55652 SECTION 55653 SECTION S5654 SECTIONS AND DETAILS ARCHITECTURAL GAC BUILDING A5650 FLOOR PLAN A5651 ROOF PLAN A5652 ELEVATIONS A5653 WALL SECTIONS ffiZENX�D SAWYER Environmental Engineersi & Scientists 4011 WestChase Boulevard, Suite 500 Raleigh, North Carolinia 27607 NC License C-01381 - DWG NO DESCRIPTION HVAC GAC BUILDING H5650 PLAN AND SCHEDULES ELECTRICAL SITE WORD E510 SITE PLAN - NEW WORK GAC BUILDING E5650 FLOOR PLAN - POWER, LIGHTING AND GROUNDING E5651 DIAGRAMS AND SCHEDULES E5652 SCHEMATICS AND SCHEDULES FILTER BUILDING E5940 PLANS D1 SHEET 1 D2 SHEET 2 D3. SHEET 3 D4 SHEET 4 D5 SHEET 5 D6 SHEET 6 D7 SHEET 7 D8 SHEET 8 D9 SHEET 9 D10 SHEET 10 D11 SHEET 11 D12 SHEET 12 D13 SHEET 13 D14 SKEET 14 D15 SKEET 15 D16 SHEET 16 D17 SHEET 17 RIVANNA WATER AND SEWER AUTHORITY'' CHARLOTTESVILLE, VIRGINIA GENERAL LIST OF DRAWINGS - CONTINUED DATE DECEMBER 2014 THE SCALE BAR SHOWN BELOW H&S JOB MEASURES ONE NUMBER 32135-011 INCH LONG ON THE ORIGINAL CONTRACT DRAWING DRAWING. NUMBER NUMBER G2 FLAT FILE V) M _j 5 c2 _,- (D in CD (N 6� r7 NOTES: OWNER: RIVANNA WATER & SEWER AUTHORITY PROPERTY SIZE: 89.46 ACRES PROPERTY INFO: DB 57-29B TAX MAP 519-341 ZONING: LI, ENTRANCE CORRIDOR OVERLAY DISTRICT COUNTY. ALBEMARLE STATE: VIRGINIA TAX MAP 57-10 TAX MAP 57-9ERGENBRIGHT, RICHARD kWATERSHED: LICKINGHOLE CREEK WATERSHED SPROUSE, IRENE S IT JR OR BEVERLY S &z E DB WB124-712. IRENE S SPROUSE ENGINEER: HAZEN AND SAWYER, PC 4011 WESTCHASE BLVD. TAX MAP 57-11 TAX MAP SUITE 500 11 DB 698-215 SPROUSE, IRENE57-12 S SPROUSE, IRENE S RALEIGH, NC 27540 DB 2419-259 DB 1609-438 SURVEYOR: DRAPER ADEN ASSOCIATES 700 HARRIS STREET, SUITE E CHARLOTTESVILLE, VA 22902 (434)295-0700 TAX MAP 57-10A RIVANNA WATER AND SEWER DATUM: HORIZ: NAD -83 VIRGINIA SOUTH ZONE AUTHORITY VERT: NAVD-88 DB 622-411 ASSOCIATED SITE PLANS AND REVISIONS: SDP199900043 (APPROVED 19993 I as INSTALLATION OF FUEL TANK AND REMOVAL OF EXISTING TANKS AND PUMPS MINIMUM YARD REQUIREMENTS (MET OR N/A): MINIMUM OF 50BETWEEN PUBLIC R -O -W AND STRUCTURE f 50' BETWEEN RESIDENTIAL/RURAL DISTRICTS, 7 MINIMUM OF 7 RESIDENTIAL DISTRICTS AND STRUCTURE MINIMUM 10' OFF STREET PARKING AND LOADING SPACE ROAD E CRIPTIVE R TH" NOTCH {30 PR� 1 �4 MINIMUM SETBACK REQUIREMENTS: NONE fill V IF NI HEIGHT OF PROPOSED STRUCTURES: j U, NEW RIVANNA PUMP STATION: 31' A, TAX MAP 57A-2C-36,�' .-,,` � `-"._` �� •,`�s,/= �.,,�,<.,w;s�_.�`�,,�,'',� Q l� ,s '.�s � � I ✓<,i� � '�� 3� ys,,,,,„.....,,� � ..." m ..". ....� ,w,,,.. _., ��=,r"�`��` �t I PROPOSED LIMITS OF DISTURBANCE: 0.94 AC OFRIAS, PHILIP J III \ 7 DB 3206-231 i A N, J A EXISTING TOPOGRAPHY PER SURVEY PROVIDED BY DRAPER ADEN 4�- 411111011 ON 8/27/12. z _-N -5- A A 7" ALBEMARLE CQUNTY TAX MAP if W(}& .7 4 A RIYANN \3,41 1 7 519%� J -- MANAGED STftP SLOPE -ni' 1, 0, /DB 57-293VI Ilk -29E6 ,u TAX MAP 57 TAX MAP 57A -2C-.37 < Aj If �w RUSSEL, DORI'S C & KAREN I GLERGES, GASSIA i� ..... , r-- It � DB 3130-698 OR GEORGE S ELIAS 7-- DB 31,92-420 q 7 - NN �Nry WAI�Bff RAO "J, "t V1, V" b! 1, 111A`�l 1�jl 1 oMt, -7 N, S N! N 771%441t'4- 1, V11 Y SOIL TYPE LEGEND J j-, �A __4 'J, 1 ----- ------ — �/., I—— a " �K - X_ A- , I - 00 x T1,A 41 k k 1 • p % iw _21�� "'A remx,sLOAM VS j,by 36B HAYESVILLE ri VY -2C-38 Ilk k 37D3 HAYESVILLE CLAY LOAM np TAX MAP 57A WEBER, RENATE I i \( \ 1 11, 1 1 - J 37C3 HAYESVILLE CLAY LOAM DB 3095-618 -Ab pe ALBEMARLE COUNTY I I A - I MANAGED STEEP SLOPE -T J_ t _k J_L\4 i 30' UNDISTURBED BUFFER 70 SITE LEGEND L /j1A1/,0 EXISTING FENCE x PROPERTY LINE X x PROPOSED SIDEWALK I T7 PROPOSED CONTOUR TAX MAP 57-29E.5 TAX MAP 57A -2B-21 CRAIG ENTERPRISE INC. THOMPSON, MARK ALLEN OR FLARED END SECTION DB 3014-060 KRISTIN A DOLAN ► DB 3259-416 TAX MAP 57-29EA VAUGHN, ANGELICA D PROPOSED CATCH BASIN DB 3752-332 PROPOSED TREE LINE MANAGED STEEP SLOPES EXISTING CONTOURS k OVERALL SITE PLAN 1 40' ISSUED FOR BID DESIGNED BT akiTH DATE MAY 2014 k RIVANNA WATER AND SEWER AUTHORITY CROZET WTP THE SCALE BAR DRAWN BTE ENN AD SAMER 'CHARLOTTESVILLE; I ILLE, VIRGINIA SHOWN BELOW H & S J013 Environmental Engineers & Scientists MEASURES ONE NUMBER 321,35-002 CHECKED NTOWASSO SITE WORK INCH LONG ON 4 5/7/141 ALBEMARLE COUNTY REVIEW LMS 4011 WestChose Boulevar-cl, suite 500 THE ORIGINAL CONTRACT DRAWING No.045376 37D3 37D3' _A 36B 3 2/7/14 ALBEMARLE COUNTY REVIEW LMS DSB Raleigh, North Carolina 27607 ,GAS UPGRADES THE CROZET WTP DRAWING. NUMBER NUMBER 2 12/20/112 ARB REVIEW DSB PROJ.ENGR. VA4- NC License C-0381 STORMWATER MANAGEMENT & EROSION 1 8/12Z13 STATE REVIEW DSB YO L OVERALL SITE PLAN 1 C1 CONTROL PLAN REV I DATE ISSUED FOR BY�j —APPROVED FLAT FILE 0 m d Cl LU m 51 m v 0 cn 0 J MW 0- m d - N 00 N 0 cv 0 - ROLLED EROSION CONTROL MATTING, TYP PROPOSED WATER "METER VAULT SILT FENCE, TYP 2,z?00O 7_1 x TEMPORARY GRAVEL RIGHT-OF-WAY DIVERSION =IIIIZIIIIIIII FW METER VAULT, / / I SEE SHEET M4850-/ LIMITS OF DISTURBANCE, TYP N N N SILT FENCE, TYP N SF (D CTS NOTES: 1. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE PRE—CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING ACTIVITIES, AND ONE WEEK PRIOR TO THE FINAL INSPECTION. 2. ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA A8- REGULATIONS VR 625-02-00 EROSION AND SEDIMENT CONTROL REGULATIONS. 3. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE FIRST STEP IN CLEARING. 4. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE OAU LINE -- THREE NOTCjHW1, OAD SIR 240 PR MAINTAINED ON THE SITE AT ALL TIMES. (30 PRI RIPTIVE ROW) 7 / PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE PLANS (INCLUDING, BUT NOT LIMITED TO, OFF—SITE BORROW OR WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY > _7 EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY. -REA SHALL REMAIN 7,�r-A 6 THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL RWi UNDISTURBIED EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND Zi J- SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING AUTHORITY. J_- 7. ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL I> MEASURE AT ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING SITE l m' ��Y �" "�� DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED. 8, DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED FILTERING DEVICE. -A % , 1 1 / \ 9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES 11 % , 7 PERIODICALLY AND AFTER EACH RUNOFF—PRODUCING RAINFALL EVENT, ANY N Z NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE ye EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. . ........... 10. ALL FILL MATERIAL TO BE TAKEN FROM AN APPROVED, DESIGNATED BORROW D DA' rTSWTP BUILDING AREA. el �_- h 11. ALL WASTE MATERIAL SHALL BE TAKEN TO AN APPROVED AND PERMITTED WASTE AREA. EARTH FILL SHALL BE INERT MATERIALS ONLY, FREE OF ROOTS, 'STUMPS, g GRAVEL CONSTRUCTION WOOD, RUBBISH, AND OTHER DEBRIS. jENIRANCE, TYP. SEE NOTE 23 D TS ///T-1 -T. 1, 1 025=7701 1 11 12. BORROW OR WASTE AREAS ARE TO BE RECLAIMED WITHIN 7 DAYS OF N X COMPLETION PER ZONING ORDINANCE SECTION 5.1.28. x x CHEMICAL PING VAULT N 11 13. ALL INERT MATERIAL SHALL BE TRANSPORTED IN COMPLIANCE WITH SECTION ......... .......................... _x 13-301 OF THE CODE OF ALBEMARLE. GAC 11 1' FA LITY A 14. BORROW, FILL OR WASTE ACTIVITIES INVOLVING INDUSTRIAL—TYPE POWER ' FF11 U EQUIPMENT SHALL BE LIMITED TO THE HOUR OF 7:00am TO 9:00pm. k,_ $50 . 0 I I lit 15. BORROW, FILL OR WASTE ACTIVITY SHALL BE CONDUCTED IN A SAFE MANNER THAT MAINTAINS LATERAL SUPPORT, IN ORDER TO MINIMIZE ANY HAZARD TO PERSONS, PHYSICAL DAMAGE TO ADJACENT LAND AND IMPROVEMENTS, AND it: DAMAGE TO ANY PUBLIC STREET BECAUSE OF SLIDES, SINKING, OR COLLAPSE. If k DIESEL GENERATOR t 116. THE DEVELOPER SHALL RESERVE THE RIGHT To INSTALL, MAINTAIN, REMOVE OR CONVERT TO PERMANENT STORMWATER MANAGEMENT FACILITIES WHERE YDOWM SF STEP S4dft, STOCKPILEAA APPLICABLE ALL EROSION CONTROL MEASURES REQUIRED BY THIS PLAN x, % AREA ------- J;fr{f i If 1 REGARDLESS OF THE SALE OF ANY LOT, UNIT, BUILDING OR OTHER PORTION OF LJ',_�-� THE PROPERTY, if 17. TEMPORARY STABILIZATION SHALL BE TEMPORARY SEEDING AND MULCHING. SEEDING IS TO BE AT 75lb/acres, AND IN THE MONTHS OF SEPTEMBER TO _30 13 x REAL WINTER FEBRUARY TO CONSIST OF 50/50 OF ANNUAL RYEGRASS AND CE AND APRIL TO CONSIST OF ANNUAL RYE, OR MAY THROUGH RYE, OR IN MARCH N �£` j SF X AUGUST TO CONSIST OF GERMAN MILLET. STRAW MULCH IS TO BE APPLIED TO \> SILT FENCE, T P 80lbs/100sf. ALTERNATIVES ARE SUBJECT TO APPROVAL BY THE COUNTY ---------- —X 5Q0 000 GALLON "t r TP STORAGE TANK EROSION CONTROL INSPECTOR. 'N' SF 18. PERMANENT STABILIZATION SHALL BE LIME AND FERTILIZER, PERMANENT SEEDING, f 1 LOADING DOCK AND MULCH. AGRICULTURAL GRADE LIMESTONE SHALL BE APPLIED AT 9 Olbs/1000sf, INCORPORATED INTO THE TOP 4-6 INCHES OF SOIL. FERTILIZER . .......... ....... -20-10 NUTRIENT SHALL BE APPLIED AT 1000lbs/acres AND CONSIST OF A 10 BACKFLOW PREVENTER, MIX. PERMANENT SEEDING SHALL BE APPLIED AT 180lbs/ceres AND CONSIST OF SEE SHEET M4851 95% KENTUCKY 31 OR TALL FESCUE AND 0-5% PERENNIAL RYEGRASS OR 17- KENTUCKY BLUEGRASS. STRAW MULCH IS TO BE APPLIED AT 80lb/100sf. 411 :> ALTERNATIVES ARE SUBJECT TO APPROVAL BY THE COUNTY EROSION CONTROL INSPECTOR. 19. MAINTENANCE: ALL MEASURES ARE TO BE INSPECTED WEEKLY AND AFTER EACH RAINFALL. ANY DAMAGE OR CLOGGING TO STRUCTURAL MEASURES IS TOi BE L REPAIRED IMMEDIATELY. SILT TRAPS ARE TO BE CLEANED WHEN 50% OF THE E A - WET STORAGE VOLUME IS FILLED WITH SEDIMENT. ALL SEEDED AREAS ARE TO BE RESEEDED WHEN NECESSARY TO ACHIEVE A GOOD STAND OF GRASS. A.C.s.A. 14' OL-tEJ6t4D-------_ SILT EROS10 _.CO MAINTENANCE LLJ Z$� FENCE AND DIVERSION DYKES WHICH ARE COLLECTING SEDIMENT TO HALF THEIR ------ HEIGHT MUST BE CLEANED AND REPAIRED IMMEDIATELY. BUILDING _40 ITS _QF__D48TU99XN`C1r SILT FENCE A 20. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE REMOVED WITHIN 30 DAYS OF FINAL SITE STABILIZATION,. WHEN MEASURES ARE Cn Cn RIGHT-OF1,WAY DIVERSION ®RWD lit NO LONGER NEEDED, SUBJECT TO APPROVAL BY THE COUNTY EROSION CONTROL < CK If x TREE PROTECTION FENCE G INSPECTOR. X X Ld M 21. THIS PLAN SHALL BE VOID IF THE OWNER DOES NOT OBTAIN A PERMIT WITHIN 1 M Q) >< ,z YEAR OF THE DATE OF APPROVAL. (WATER PROTECTION ORDINANCE SECTION > ROCK CHECK DAM 17-204G.) 4 _v INLET PROTECT}ON IP X ,22. PERMANENT VEGETATION SHALL BE INSTALLED ON ALL DENUDED AREAS WITHIN X NINE (9) MONTHS AFTER THE DATE OF LAND DISTURBING ACTIVITY COMMENCED. TEMPORARY SEEDING TS g (WATER PROTECTION ORDINANCE SECTION 17-2078) CL DUST CONTROL < 23. CONSTRUCTION ENTRANCE IS GRAVEL PER DETAIL 0257701. IF COUNTY _x_ INSPECTOR DEEMS GRAVEL UNSATISFACTORY, PROVIDE PAVED CONSTRUCTION x x x E RO S 10 �-_C_ONTTROLPLA N---- ,4 ENTRANCE AS PER DETAIL 0257701R. AREA OF DISTURBANCE 0.94 AC 1 20' ISSUED FOR BID 0, Ln LO BTE NLTH DESIGNED DATE DECEMBER 2014 S RIVANNA WATER AND SEWER AUTHORITY J� VUR CROZET WTP THE SCALE BAR BTE CHARLOTTESVILLE, VIRGINIA SHOWN BELOW H & S JOB �2 DRAWN C ENAD Environmental Engineers & Scientists MEASURES ONE NUMBER 32135-011 SANT WA SO CIVIL INCH LONG ON 6 CHECKED Wro -0 4011 WestChase Boulevard, Suite 500 THE ORIGINAL CONTRACT DRAWING ;6 Lic. No.045376 CL CO 3 12/14 ISSUED FOR BID DS8 DSB Raleigh, North Carolina 27607 DRAWING. NUMBER NUMBER 2 12/14 STATERESUBMITTAL DSB PROJ.ENGR. NC License C-0381 WATER TREATMENT PLANT EROSION CONTROL PLAN Cn GAC UPGRADES U) Li 1 08/14 FINAL DESIGN DS 70 L 1 C41 CD BY APPROVED cl-i X I # i I r < REV DATE ISSUED FOR FLAT F11 a 00 N 00 N O N U ry >Y Q 0 w 5:1 X M , 0 a � N U 'U�-- d- � > CP i C� Co a` E;m L C N roQ ar � Q 0 0 X I 1 1 f� 643.(1 43.50 X #a. X643.50 w w w w �'O' w w w w PCa ' w w oma o�P qM w w w X643. w w w w w o ao w w w r w w w w w w w w `Y +.• w w v w w i1t. _iiL w w v w w v w w/r- w 'F L � 1 _ „L ww, w _, `_m_yl w w w /ww w ww w', w -, w v .tr v w`t �� L -d' sL , w w w L w w w w J� w w w w v `' w ��•' yet Cyt w w w W w w v w �� v v w w w w w w w w ' w w w w w w w xr �• w w ., w !!! l y w w w .- s w w �'', w w w w I. w ! w. •.v w .. w w \` _m_ _ry w w w w ti. w w w w w w w w U_ lu_ sal w w w w �=J r w w w w w w w \ w w w w w w w w ►� �� w w w w w w w 1L su. it w w ww w X 643.50 GRASSED BICIRETENTION CELL 1 PLAN X if 5�_0 X649.00 i 49 00 GRASSED BIORETENTIO-N CELL z PLAN 1 y 5\0�, 12/14 ISSUED FOR BID 12/14 STATE RESUBMITTAL 08/14 FINAL DESIGN PRETREATMENT CELL SEE DETAIL 2/C43 PERMANENT DIVERSION SWALE 0227011 DIVERSION BERM, TYP. 3 C43 GRASSED BIORETENTION CELL SEE DETAIL 1/C43 GRASS FILTER STRIP SEE DETAIL 1/C43 PERMANENT DIVERSION SWALE 0227011 DIVERSION BERM 3 G43 BIORETENTION CELL PONDING DEPTH ELEV. = 648.00 BOTTOM OF BIORETENTION CELL GRASSED BIORETENTION CELL SEE DETAIL 1 /C43 STONE PRETREATMENT CELL SEE DETAIL 2/C43 OBSERVATION WELL/CLEANOUT 4" PVC PIPE WITH THREADED, 5' GRASS FILTER STRIP WATERTIGHT CAP THAT IS TO BE BIORETENTION GROUND (WHERE SHOWN ON PLAN) INSTALLED WITH CLEANOUT COVER. SEE NOTE 1 EXTENDING 8" ABOVE GRADE " 36 THICK BIORETENTION FILL PERMANENT DIVERSION 20:1 MAX SLOPE MEDIA. SEE SPECIFICATIONS SWALE ' '��'�'� A Ww 'INLET CREST FOR SOIL CRITERIA . INLET Y 6" MAX PONDING 12" THICK WASHED DEPTH SAND LAYER /14 `; 1 Lam_ t/V'✓ 1'Y' IVB, "%, ; Yf 611 PERFORATED. SCHEDULE 40 \� PVC- PIPE AT 1% SLOPE TO Df. . 6 THICK WASHED t\ `� PROVIDE ACROSS ENTIRE WIDTH 1 /4 -INCH PEAS\\\ a -GRAVELFILTER FABRIC. FXTFND 2ON 6" NON -PERFORATED PVC PIPE @ 1% SLOPE MIN - 6" PERFORATED SCHEDULE 40 PVC @ 17. SLOPE (MIN) MIN. 12" THICK WASHED #57 STONE BELOW INVERT OF LOWEST POINT OF PVC PIPE Ram minim M 111001 t! .-4.,.•!y-1•.�Vi'-t'•'•{r- -t'' "{i-�7i �•f' •i•�t'•'ext''�t•"-s.,��,•. 't`,r'�•'mut"^ti's-t•' ••'�a"..{,i' .t`i-it'f'�iit•iz-E-c-t....,`--t,-�'S.•--tp�'1r•-r-t.,:< +•-ai-t•N Ti-t-�•s +�!�ca-._._.bats�.*h'alrj?_<�"a�it�+h�1ij�.t.,�"a�rst+►a}�aS._fi�at�'��w.�i•._.�a�i��.rJafi�t�:�`a�6'a��.r`ratru�i.�i'a�i��.�ati� �ii►`��I►��fT_V'/��.�f.�►�.�rt��v.�i��✓.� � • • ! • • • • ♦ • •NEWS • • • • • • • ! • • • i ! • • • ! • • ! • • ROWS ♦.►1�� W16li►�NOS •►ter �� ♦..lii► 647.517 STONE PRETREATMENT CECT t SEE DETAIL 2/C43 FOREBAY, TYP GRASSED BIORETENTION CELL .: SEE DETAIL 1/C43 •�i �1 DESIGNED BTE DRAWN BTE CHECKED PROJ.ENGR. DSB 1. s w w w w BIORETENTION CELL #1 w w w DSB DSB DSB BY APPROVED PRETREATMENT CELL SEE DETAIL 2/C43 PERMANENT DIVERSION SWALE 0227011 DIVERSION BERM, TYP. 3 C43 GRASSED BIORETENTION CELL SEE DETAIL 1/C43 GRASS FILTER STRIP SEE DETAIL 1/C43 PERMANENT DIVERSION SWALE 0227011 DIVERSION BERM 3 G43 BIORETENTION CELL PONDING DEPTH ELEV. = 648.00 BOTTOM OF BIORETENTION CELL GRASSED BIORETENTION CELL SEE DETAIL 1 /C43 STONE PRETREATMENT CELL SEE DETAIL 2/C43 OBSERVATION WELL/CLEANOUT 4" PVC PIPE WITH THREADED, 5' GRASS FILTER STRIP WATERTIGHT CAP THAT IS TO BE BIORETENTION GROUND (WHERE SHOWN ON PLAN) INSTALLED WITH CLEANOUT COVER. SEE NOTE 1 EXTENDING 8" ABOVE GRADE " 36 THICK BIORETENTION FILL PERMANENT DIVERSION 20:1 MAX SLOPE MEDIA. SEE SPECIFICATIONS SWALE ' '��'�'� A Ww 'INLET CREST FOR SOIL CRITERIA . INLET Y 6" MAX PONDING 12" THICK WASHED DEPTH SAND LAYER /14 `; 1 Lam_ t/V'✓ 1'Y' IVB, "%, ; Yf 611 PERFORATED. SCHEDULE 40 \� PVC- PIPE AT 1% SLOPE TO Df. . 6 THICK WASHED t\ `� PROVIDE ACROSS ENTIRE WIDTH 1 /4 -INCH PEAS\\\ a -GRAVELFILTER FABRIC. FXTFND 2ON 6" NON -PERFORATED PVC PIPE @ 1% SLOPE MIN - 6" PERFORATED SCHEDULE 40 PVC @ 17. SLOPE (MIN) MIN. 12" THICK WASHED #57 STONE BELOW INVERT OF LOWEST POINT OF PVC PIPE Ram minim M 111001 t! .-4.,.•!y-1•.�Vi'-t'•'•{r- -t'' "{i-�7i �•f' •i•�t'•'ext''�t•"-s.,��,•. 't`,r'�•'mut"^ti's-t•' ••'�a"..{,i' .t`i-it'f'�iit•iz-E-c-t....,`--t,-�'S.•--tp�'1r•-r-t.,:< +•-ai-t•N Ti-t-�•s +�!�ca-._._.bats�.*h'alrj?_<�"a�it�+h�1ij�.t.,�"a�rst+►a}�aS._fi�at�'��w.�i•._.�a�i��.rJafi�t�:�`a�6'a��.r`ratru�i.�i'a�i��.�ati� �ii►`��I►��fT_V'/��.�f.�►�.�rt��v.�i��✓.� � • • ! • • • • ♦ • •NEWS • • • • • • • ! • • • i ! • • • ! • • ! • • ROWS ♦.►1�� W16li►�NOS •►ter �� ♦..lii► 647.517 STONE PRETREATMENT CECT t SEE DETAIL 2/C43 FOREBAY, TYP GRASSED BIORETENTION CELL .: SEE DETAIL 1/C43 •�i �1 -41t \ �� h � GRASSED BICIRETENTION CELL 3 PLAN Ile \, U C Lie. No.045376 1 =5 0 ELAND SAWYER Environmental Engineers & Scientists 4011 WestChase Boulevard, Suite 500 Raleigh, North Carolina 27607 NC License C-0381 1"=2° DETAIL i C43 FILTER FABRIC SECTION VIEW EXISTING GRADE -\ 1 -0il PERMANENT DIVERSION SWALE ozz7o11 -DIVERSION BERM G43 STONE PRETREATMENT CELL SEE DETAIL 2/C43 FOREBAY, TYP BOTTOM OF BIORETENTION CELL ELEV. = 647.00 BIORETENTION CELL PONDING DEPTH ELEV. = 647.50 GRASS FILTER STRIP SEE DETAIL 1/C43 STONE PRETREATMENT CELL DIMENSIONS 1. s w w w w BIORETENTION CELL #1 w w w Alww o .odd :. 4, w w w w w w F1 w w °•Q-°- w w w v f! w w w CENTER. J/ PANICUM VIRGATUM (SWITCHGRASS) 0 0� 2r," 0. . h w w s l l w w , O :o Q:°.0-°• w- on a.(�n c�Q (i w w W w w h' dT�iS.SOTA.1/llo GROUND COVER SHALL BE ESTABLISHED TO ENSURE AN 80% GROUND COVER IN THE PLANTING AREA +w 4 3 ,t•� .d. i w w w w 14 w w s w � BIORETENTION PLANTING PLAN. -41t \ �� h � GRASSED BICIRETENTION CELL 3 PLAN Ile \, U C Lie. No.045376 1 =5 0 ELAND SAWYER Environmental Engineers & Scientists 4011 WestChase Boulevard, Suite 500 Raleigh, North Carolina 27607 NC License C-0381 1"=2° DETAIL i C43 FILTER FABRIC SECTION VIEW EXISTING GRADE -\ 1 -0il PERMANENT DIVERSION SWALE ozz7o11 -DIVERSION BERM G43 STONE PRETREATMENT CELL SEE DETAIL 2/C43 FOREBAY, TYP BOTTOM OF BIORETENTION CELL ELEV. = 647.00 BIORETENTION CELL PONDING DEPTH ELEV. = 647.50 GRASS FILTER STRIP SEE DETAIL 1/C43 STONE PRETREATMENT CELL DIMENSIONS 1. L (FT) W (FT) BIORETENTION CELL #1 7.5 3 BIORETENTION CELL #2 12.1 3.5 BIORETENTION CELL #3 5.7 3 CLASS Al RIPRAP STONE PRETREATM ENT CELL DETAIL F2 C43 RIVANNA WATER AND SEWER AUTHORITY CHARLOTTESVILLE, VIRGINIA WATER TREATMENT PLANT GAC UPGRADES NOTES; 1. BIORETENTION CELLS SHALL CONFORM WITH ALL STANDARDS AND SPECIFICATIONS IN SECTION 3.11 BIORETENTION BASINS OF THE VIRGINIA STORMWATER MANAGEMENT HANDBOODK (VSMH). 2. GROUND COVER SHALL CONSIST OF A MIXTURE OF THE FOLLOWING PLUGS, PLANTED AT 12-18" ON CENTER. PANICUM VIRGATUM (SWITCHGRASS) LOBELIA CARDINALIS (CARDINAL FLOWER) SCIRPUS CYPERNINUS (WOOLGRASS) \� EUPATORIUM PURPUREUM (JOE PYE WEED) 3. GROUND COVER SHALL BE ESTABLISHED TO ENSURE AN 80% GROUND COVER IN THE PLANTING AREA WITHIN A THREE-YEAR PERIOD. 4. SEE PLANTING PLAN L-01 FOR REMAINDER OF BIORETENTION PLANTING PLAN. BIORETENTION CONSTRUCTION NOTES 1. INSTALL PHASE 1 EROSION CONTROL AND SEDIMENT CONTROL MEASURES FOR THE SITE. 2. GRADE EACH SITE TO ELEVATION SHOWN ON PLANS. INITIALLY, THE BASIN FLOOR MAY BE EXCAVATED TO WITHIN ONE FOOT OF ITS FINAL ELEVATION. EXCAVATION TO FINISHED GRADE SHALL BE DEFERRED UNTIL ALL DISTURBED AREAS WITHIN THE WATERSHED HAVE BEEN STABILIZED AND PROTECTED. 3. COMPLETE CONSTRUCTION ON THE WATERSHED AND STABILIZE ALL AREAS DRAINING TO THE BIORETENTION BASIN. 4. REMOVE ALL ACCUMULATED SEDIMENT AND EXCAVATE BIORETENTION AREA TO PROPOSED DEPTH. USE LIGHT, TRACKED EQUIPMENT, LGP IF POSSIBLE, TO AVOID COMPACTION ON THE BASIN FLOOR. AFTER FINAL GRADING IS COMPLETED, DEEPLY TILL THE BASIN FLOOR WITH ROTARY TILLER OR DISC HARROWS TO PROVIDE A WELL-AERATED, HIGHLY POROUS SURFACE TEXTURE. 5. INSTALL THE PIPING, DRAINS, VENTS, AND INFILTRATION STONE: IN ACCORDANCE WITH THE SPECIFICATIONS (VSMH SECTION 3.11). INSTALL A SIX-INCH LAYER OF WASHED, 1/4 -INCH PEA GRAVEL ABOVE THE STONE. INSTALL A 1 -FOOT LAYER OF ASTM C-33 CONCRETE SAND ON TOP OF THE PEA GRAVEL. LIGHTLY COMPACT WITH A LANDSCAPING ROLLER. 6. AFTER CONFIRMATION THAT SOIL MEETS SPECIFICATIONS (VSMH SECTION 3.11) BY PERFORMING THE REQUISITE GRADATION AND CHEMICAL TEST, FILL BIORETENTION AREA WITH PLANTING SOIL AND SAND, AS SHOWN ON THE PLANS AND DETAILED IN THE SPECIFICATIONS. 7. INSTALL VEGETATION AND GROUND COVER SPECIFIED IN THE LANDSCAPING PLAN AND THE NOTES ON THIS PAGE FOR THE BIORETENTION AREA AS WELL AS THE VSHM SECTION 3.11. 8. PLACE SOD, EC FABRIC, ON NON EROSIVE LINING (DEPENDING ON INFLOW VELOCITIES) IN THE INLET CHANNEL AND/OR FILTER STRIPS. 9. UPON AUTHORIZATION FROM DESIGNATED INSPECTOR, REMOVE ALL SEDIMENT CONTROL AND STABILIZE ALL DISTURBED AREAS. UNBLOCK CURB OPENINGS, AND PROVIDE DRAINAGE TO THE BIORETENTION AREAS. ALBEMARLE COUNTY GENERAL CONSTRUCTION NOTES FOR STORMWATER MANAGEMENT PLANS 1. ALL DAMS AND CONSTRUCTED FILL TO BE WITHIN 95% OF MAXIMUM DRY DENSITY AND 2% OF OPTIMUM MOISTURE CONTENT. ALL FILL MATERIAL TO BE APPROVED BY A GEOTECHNICAL ENGINEER. A GEOTECHNICAL ENGINEER IS TO BE PRESENT DURING CONSTRUCTION OF DAMS. 2. PIPE AND RISER JOINTS ARE TO BE WATERTIGHT WITHIN STORMWATER MANAGEMENT FACILITIES. 3. FOR TEMPORARY SEDIMENT TRAPS OR BASINS WHICH ARE TO BE CONVERTED TO PERMANENT STORMWATER MANAGEMENT FACILITIES; CONVERSION IS NOT TO TAKE PLACE UNTIL THE SITE IS STABILIZED, AND PERMISSION HAS BEEN OBTAINED FROM THE COUNTY EROSION CONTROL INSPECTOR. 4' C ROZET WTP CIVIL BIORETENTION DETAIL PLAN 1" _ 21-02 DETAIL 3 C43 ISSUED FOR BID DATE DECEMBER 2014 THE SCALE BAR SHOWN BELOW H & S JOB MEASURES ONE NUMBER 32135-011 INCH LONG ON THE ORIGINAL CONTRACT DRAWING DRAWING. NUMBER NUMBER C43 FLAT FILE U k- N U N T 0� t„ U n y, N (nx ! O U Q; /CL = i ca U <c CD c U a � -c3 U / d I � �n C:) ff) Lo cv ! �M I C,j3 �! a w N N O �U CD o�< C\1 >< COUNTY OF AI.BEMMARLE CONSERVATION PLAN CHECKLIST - TO BE PLACED ON LANDSCAPE PLANS (HANDBOOK, PP IN -284-111-297 FOR COMPLETE SPECIFICATIONS) 1. 1. # KOTLI►I01l13i!MI`J.1.1111111:1Wi[#1LZ116N01;1asNc1► S/TREES TO BE SAVED; SJUMITS OF f t t•' OF TREES TO BE SAVED); K/Locnw AND TYPE OF PROTECTIVE FENCING; I♦ GRADE CHANGES REQUIRING TREE WELLS OR SIPROPOSED TRENCHING OR TUNNELING BEYOND THE LIMITS OF CLEARING. 2. MARKINGS: &/ALL TREES TO BE SAVED SHALL BE MARKED WITH PRINT OR RIBBON AT A HEIGHT CLEARLY VISIBLE TO EQUIPMENT OPERATORS. T f GRADING SHALL BEGINt AND APPROVED INSPECTOR. 3. ERE -CONSTRUCTION. Ci►rilEi► S/fREE PRESERVATION AND PROTECTION MEASURES SHALL BE REVIEWED NTH THE CONTRACTOR ON SITE. 4. EQUIPMENT OP ATION AND STORAGE: &/HEAVY EQUIPMENT,i STORAGE OF f f INCLUDING f `! NOT BE PERMITTED WITHIN THE DRIPLINES OF TREES TO BE SAVED. 6.� FIRES ARE NOT PERMITTED WITHIN 100 FEET OF THE DRIPLINE OF TREES TO BE SAVED. 7. TOXIC MATERIALS: EZTOXIC MATERIALS SHALL NOT BE STORED WITHIN 100 FEET OF THE DRIPLINE OF TREES TO BE SAVED. VEREASUTO'VE =ENCING:RETAINED WITHIN 40 FEET OF A PROPOSED BUILDING OR GRADING ACTIVITY SHALL BE PROTECTED BY FENCING.; ''FENCING SHALL BE 1N PLACE AND SHALL BE INSPECTED AND APPROVED BY A COUNTY INSPECTOR PRIOR TO GRADING OR CONSTRUCTION. 9. TREE WELLS: ❑ WHEN THE GROUND LEVEL MUST ' BE RAISED WITHIN THE DRIPLINE OF A TREE TO BE SAVED, A TREE WELL SHALL BE PROVIDED AND A CONSTRUCTION DETAIL SUBMITTED FOR APPROVAL 10. TREE WALLS: ❑ WHEN THE GROUND LEVEL. MUST BE LOWERED WITHIN THE DRIPLINE A TREE TO BE SAVED, A TREE WALL SHALL BE PROVIDED; AND A CONSTRUCTION DETAIL SUBMITTED FOR APPROVAL.. 11. TRENCHING AND TUNNELING: V WHEN TRENCHING IS REQUIRED WITHIN THE LIMITS OF CLEARING, IT SHALL BE DONE AS FAR AWAY FROM THE TRUNKS OF TREES AS POSSIBLE. TUNNELING UNDER A LARGE TREE SHALL BE CONSIDERED AS AN ALTERNATIVE WHEN IT IS AN11CIPA1ED THAT NECESSARY TRENCHING WILL DESTROY FEEDER ROOTS. 12. CL.EANUE: VPROTECTIVE FENCING SHALL BE THE LAST ITEMS REMOVED DURING THE FINAL CLEANUP. 13. DAMAGED .TREES: SIDAMAGED TREES SHALL BE TREATED IMMEDIATELY BY PRUNING, FERTILIZATION OR OTHER METHODS RECOMMENDED BY A TREE SPECIALIST. NOTE.- IT IS THE DEVELOPERS RESPONSIBILITY TO CONFER WITH THE CONTRACTOR ON TREE CONSERVA71ON ffwlxwlellyll: CONTRACT PURCHASER SIGNATURE (DATE) PLANTING LEGEND; . ABBREV BOTANICAL NAME COMMON NAME SIZE ROOT RA RHODODENDRON SPP. AZALEA--GIRARD 15"-18" CONTAINER RR RHODODENDRON SPP. RHODODENDRON - PJM 15"-18" CONTAINER CK CORNUS .KOUSA & CVS KOUSA DOGWOOD 6'-7' B&B AM AMELANCHIER CANADENSIS & CVS SHADBLOW SERVICEBERRY (WHITE PILLAR) 5'-6 B&B NS ILEX X "NELLIE R. STEVENS" NELLLIE R. STEVENS HOLLY 6'-7' B&B HV HAMAMELIS VIRGINIANA WITCH -HAZEL 4 --6' CONTAINER CV VIBURNUM DENTATUM CHICAGO LUSTREE VIBURNUM 2'-3' B&B IB ILEX GLABRA INKBERRY 6'-8' CONTAINER RC JUNIPERUS VIRGINIANA EASTERN RED CEDAR 1" CALIPER I B&B RO RED OAK QUERCUS RUBRA 6'-8' B&B 3 12/14 ISSUED FOR BID DSB 2 12/14 STATE RESUBMITTAL DSB 1 08/14 FINAL DESIGN DSB REV DATE ISSUED FOR BY DESIGNED 'WHR DRAWN MMM CHECKED - 4,,� PROJ.ENGR. DSB y WILLIAM H. RUSSELL Lic. No.853 oiCf-1IT LANDSCAPING PLAN 1$) = 20' R TY TREE CONSERVATION LEGEND: TREE # SPECIES DBH IN INCHES RECOMMENDATIONS COMMENTS 3 WHITE PINE 15-24 FERTILIZE, PRUNE AND ROOT INVIGORATION WHITE OAK 20 FERTILIZE, PRUNE AND ROOT INVIGORATION '� WHITE OAK 18 FERTILIZE, PRUNE AND ROOT INVIGORATION RED OAK 19 FERTILIZE, PRUNE AND ROOT INVIGORATION 5 WHITE OAK 16 FERTILIZE, PRUNE AND ROOT INVIGORATION 6 RED MAPLE 10,23 FERTILIZE AND PRUNE ? WHITE OAK 21 FERTILIZE AND PRUNE 8 WHITE OAK 36 FERTILIZE, PRUNE AND ROOT INVIGORATION 9 RED OAK 22 FERTILIZE, PRUNE AND ROOT INVIGORATION OAK GROUP (5 TREES) 9-26 REMOVE IN BUILDING FOOTPRINT MZEN SAWYER Environmental Engineers & Scientists 4011 WestChase Boulevard, Suite 500 Raleigh, North Carolina 27607 NC License C-0381 RIVANNA WATER AND SEWER AUTHORITY CHARLOTTESVILLE, VIRGINIA WATER TREATMENT PLANT GAC UPGRADES CROZET WTP NOTES: TREE CONSERVATION PLAN GAC UPGRADES TO CROZET WTPS TREE PROTECTION PROCEDURES PRE --CONSTRUCTION 1. A COMPOSITE SOIL SAMPLE SHALL BE TAKEN FROM THE SITE FOR ANALYSIS OF SOIL PH, ORGANIC CONTENT, NUTRIENT LEVELS OF NITROGEN, POTASSIUM, PHOSPHORUS, IRON, MAGNESIUM, AND MANGANESE, AND TO ESTABLISH CATION EXCHANGE CAPACITIES. 2.A TREE PROTECTION ZONE SHALL BE ESTABLISHED TO MINIMIZE SOIL COMPACTION, AND ROOT, STEM AND BRANCH DAMAGE DURING CONSTRUCTION. THE ZONE WILL BE DEFINED AS AN AREA THAT IS 9 INCHES TIMES THE DIAMETER AT BREAST HEIGHT (DBH) AWAY FROM ANY TREE TO BE PROTECTED. TREES #1-5 AND #8-9 ARE AN EXCEPTION TO THIS DISTANCE AND SHALL BE RECEIVING A MORE INTENSIVE ROOT TREATMENT TO COMPENSATE FOR THE ROOT LOSS. 3. A 4 FOOT HIGH, ORANGE, UV -RESISTANT, HIGH -TENSILE, STRENGTH, BARRICADE FABRIC FENCE SHALL BE INSTALLED TO DEFINE THE TREE PROTECTION ZONE AND LIMIT ACCESS. 4. THE GROUP OF 5 OAK TREES IN THE GAC FACILITY FOOTPRINT SHALL BE REMOVED WITHOUT DAMAGE TO SURROUNDING TREES 5. THE FOLLOWING TREES SHALL BE FERTILIZED BASED ON SPECIFIC NEEDS AS DETERMINED. BY SOIL ANALYSIS. FERTILIZATION SHOULD INCLUDE MYCORRHIZAE INOCULATION FOR MATURE TREES, AND SHOULD BE APPLIED USING THE SUB -SURFACE. SOIL INJECTION METHOD: TREES # 1-9 6. TREES THAT HAVE BEEN AFFECTED BY CONSTRUCTION SHALL BE PRUNED TO REMOVE ANY DEAD OR DAMAGED LIMBS. ANY BARK WOUNDS SHALL BE TRACED TO PROMOTE WOUND CLOSURE: TREES # 1-9 7. ROOT INVIGORATION: CULTIVATE THE SOIL BENEATH THE CROWN OF THE TREES OF THE FOLLOWING PROPERTY ITEMS: a. WHITE OAK (ID# 3) LOCATED AT THE FRONT OF PROPERTY b. 16" WHITE OAK (ID# 5) LOCATED AT. THE FRONT OF PROPERTY (NEAREST 12" 0/F) c. 19" RED OAK (ID# 4) LOCATED AT THE FRONT OF PROPERTY (NEAREST 12" O/F) d. 22" RED OAK (ID# 9) LOCATED AT THE RIGHT FRONT OF PROPERTY e. 36" WHITE OAK (ID# 8) LOCATED AT THE RIGHT FRONT OF PROPERTY USING AN AIR -SPADE TO IMPROVE SOIL HEALTH AND PROMOTE ROOT DEVELOPMENT AND FUNCTION. A RADIUS OF APPROXIMATELY 8 FEET FROM THE TRUNK WILL BE CULTIVATED TO A DEPTH OF 6-8 INCHES. NOTE: THE CULTIVATED SOIL SHOULD BE IRRIGATED REGULARLY FOLLOWING TREATMENT TO KEEP .THE SOIL MOIST IF ADEQUATE RAINFALL DOES NOT OCCUR. f. 3 WHITE PINE (ID#1) LOCATED AT FRONT OF PROPERTY. g. WHITE OAK (ID#2) LOCATED AT FRONT OF PROPERTY. 8. BIOCHAR SHALL BE ADDED TO THE SOIL DURING CULTIVATION: TREES #1-5, 8-9. 9. COMPOST SHALL BE ADDED TO THE SOIL DURING CULTIVATION: TREES #1-5, 8--9. 10. MULCH SHALL . BE APPLIED TO AN APPROXIMATE DEPTH OF 3 INCHES TO THE TREATED AREA FOLLOWING CULTIVATION. TREES #1-5, 8--9 DURING CONSTRUCTION 1. TREE PROTECTION ZONE SHALL BE INSPECTED AND MAINTAINED ON A DAILY BASIS. TREES SHALL BE INSPECTED ON A REGULAR BASIS BY A CERTIFIED ARBORIST TO EVALUATE FOR CONSTRUCTION TRAUMA, AS WELL AS FOR SECONDARY PEST AND DISEASE CONCERNS, AND IRRIGATION NEEDS. 2. NO CONSTRUCTION EQUIPMENT, SUPPLIES OR DEBRIS SHALL BE ALLOWED IN THE TREE PROTECTION ZONE. 3. TRENCHING OR EXCAVATION WITHIN THE TREE PROTECTION ZONE SHALL NOT BE ALLOWED WITHOUT CONSULTATION WITH CERTIFIED ARBORIST AND SHALL REQUIRE SPECIALIZED EQUIPMENT TO PERFORM PROPER ROOT PRUNING. A CERTIFIED ARBORIST SHALL BE ON SITE WHEN TRENCHING OCCURS. 4. ROOT PRUNING SHALL BE PERFORMED UNDER THE SUPERVISION OF A CERTIFIED ARBORIST AND WILL BE PERFORMED IN SUCH A MANNER, AND WITH EQUIPMENT DESIGNED TO CUT THROUGH ROOTS CLEANLY, SO AS NOT TO TEAR ROOTS. IF ROOTS GREATER THAN 2 INCHES IN DIAMETER ARE ENCOUNTERED DURING ROOT PRUNING, THEY SHALL BE TRACED BACK TOWARDS THE TREE USING AN AIR -SPADE AND PRUNED BY HAND AT A POINT SPECIFIED BY THE ARBORIST. 5. GRADE CHANGES AROUND TREES SHALL BE AVOIDED. EXCESS SOIL AND DEBRIS MUST BE REMOVED FROM SITE. POST -CONSTRUCTION 1. TREE PROTECTION FENCING SHALL BE REMOVED. 2. TREES SHALL BE INSPECTED DURING THE GROWING SEASON FOLLOWING CONSTRUCTION BY A CERTIFIED ARBORIST TO EVALUATE FOR CONSTRUCTION TRAUMA, AS WELL AS FOR SECONDARY PEST AND DISEASE CONCERNS, AND IRRIGATION NEEDS. THE INSPECTION PERIOD SHALL EXTEND FOR UP TO 18 MONTHS FOLLOWING COMPLETION OFF CONSTRUCTION. ALL SITE PLANTINGS OF TREES AND SHRUBS SHALL BE ALLOWED TO REACH, AND BE MAINTAINED AT, MATURE HEIGHT; THE .TOPPING OF TREES IS PROHIBITED. SHRUBS AND TREES SHALL BE PRUNED MINIMALLY AND ONLY TO SUPPORT THE OVERALL HEALTH OF THE PLANT. LANDSCAPING PLAN DATE DECEMBER 2014 THE SCALE BAR SHOWN BELOW H&S JOB MEASURES ONE NUMBER 321,35--011 INCH LONG ON THE ORIGINAL CONTRACT DRAWING DRAWING. I NUMBER NUMBER T > Q C) CD N �N � N > O Of W QQ [If __j V� a 0 L0 a C14 3 NM co 11 2 1 � RE' N x::L_ BLOCK & GRAVE CURB INLET SEDIMENT FILTER CURB INLET WIRE SCREEN r 31401 s n RUNOFF WATER OVERFLOW W^I`THSEDIMENT `Z.. SEDIMENT -� WIRE SCREEN 2" x 4" WOOD STUD CONCRETE BLOCK GRAVEL FILTER FILTERED WATER CURB INLET THIS METHOD OF INLET PROTECTION IS APPLICABLE AT CURB INLETS WHERE AN OVERFLOW CAPABILITY IS NECESSARY TO PREVENT EXCESSIVE PONDING IN FRONT OF THE STRUCTURE. GRAVEL SHALL BE VDOT #31 4357 OR #5 COARSE AGGREGATE 0227002 12/14 ISSUE FOR BID 12/14 STATE RESUBMITTAL 08/14 FINAL DESIGN DATE ISSUED FOR CONSTRUCTION OF A SILT FENCE (WITHOUT WIRE SUPPORT) 1. SET THE STAKES. 2. EXCAVATE A 4°x4° TRENCH UPSLOPE ALONG THE LINE OF STAKES r 6`.MAX FLOW 3. STAPLE FILTER MATERIAL TO STAKES AND EXTEND IT INTO THE TRENCH. FLOW SHEET FLOW INSTALLATION (PERSPECTIVE VIEW) 4. BACKFILL AND COMPACT THE EXCAVATED SOIL. POINTS A SHOULD BE HIGHER THAN POINT B. DRAINAGEWAY INSTALLATION (FRONT ELEVATION) 0227000 waslum BLOCK AND GRAVEL DROP INLET iP SEDIMENT FILTER WIRE SCREEN ______ GRAVEL` FILTE„ ^^"" RETE BLOCK PERSPECTIVE VIEW /,,\ SEDIMENT `\�\\i\\j\ ,.."-::_ ELEVATION SPECIFIC APPLICATION WIRE SCREEN FILTERED WATER ORIGINAL GROUND ELEV. SEE PLATE 3.13-1 DROP INLET WITH GATE THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE HEAVY FLOWS ARE EXPECTED AND WHERE AN OVERFLOW CAPACITY IS NECESSARY TO PREVENT EXCESSIVE PONDING AROUND THE STRUCTURE. GRAVEL SHALL BE VDOT 43, 4357 OR 45 COARSE AGGREGATE. 0227001 2'-0i3 NOTES: ` STONE WEIR ABOVE #357 OR #5 STONE-/ CLASS II RIP RAP 1. WIRE FENCE REINFORCEMENT FOR SILT FENCE SHALL BE A MINIMUM OF 14 GAUGE AND SHALL HAVE A MAXIMUM MESH SPACING OF 6 INCHES. 2. THE WIRE SHALL EXTEND A MINIMUM 4 INCHES INTO THE GROUND AND MUST BE FASTENED SECURELY TO THE UPSLOPE SIDE OF THE POSTS USING HEAVY DUTY WIRE STAPLES AT LEAST ONE INCH LONG, TYE WIRES OR HOG RINGS. 3. STEEL POSTS (STANDARD "U" OR "T" SECTION) MUST HAVE A MINIMUM WEIGHT OF 1.33 POUNDS PER LINEAR FOOT AND SHALL HAVE A MINIMUM LENGTH OF 5 FEET. 4, SUPPORT POSTS OR STAKES FOR THIS TYPE OF APPLICATION SHALL BE PLACED A MAXIMUM 10 -FEET APART (SEE PLATE 3.05-1) EXCEPT WITHIN THE WET STORAGE AREA. THE WET STORAGE AREA SHALL HAVE THE POSTS OR STAKES PLACED A MAXIMUM 3 -FEET APART FOR ADDED SUPPORT. 5. SILT FENCE SHALL CONFORM TO THE CONSTRUCTION SPECIFICATIONS FOR "EXTRA STRENGTH" FOUND IN TABLE 3.05-B AND SHALL BE CUT FROM A CONTINUOUS ROLL TO AVOID JOINTS. 6. THE FABRIC SHALL BE ENTRENCHED A MINIMUM 8" IN DEPTH AND BACK FILLED WITH CLEAN SOIL. THE SOIL SHALL BE COMPACTED TO 95 % OVER THE FILTER FABRIC. 7. THE HEIGHT OF THE SILT FENCE SHALL BE A MINIMUM OF 34 INCHES ABOVE THE ORIGINAL GROUND AND SHALL NOT EXCEED 48 INCHES ABOVE GROUND ELEVATION. 8. THE OUTLET FOR THE MODIFIED MUD TRAP',SHALL CONSIST OF A STONE SECTION OF THE WIRE -SUPPORTED SILT FENCE LOCATED AT THE LOW POINT OR POINT OF CONCENTRATION FOR STORM FLOWS. FOR DRAINAGE AREAS LESS THAN ONE ACRES, THE MEASURE SHALL CONSIST OF WIRE -SUPPORTED SILT FENCE INSTALLED AS A CONTINUOUS STRUCTURE WITH CLASS Al STONE CAREFULLY PLACED ON EITHER SIDE OF THE FENCE FOR OUTLET STABILITY„ NO FILTER STONE REQUIRED. FOR DRAINAGE AREAS FROM 1 TO 3 ACRES, THE MEASURE SHALL CONSIST OF THE WIRE -SUPPORTED SILT FENCE INSTALLED WITH. AN OPENING FROM 4 TO 8 FEET WIDE LOCATED IN THE LOW POINT OR POINT OF CONCENTRATION FOR STORM FLOWS. THE OPENING SHALL HAVE A COMBINATION OF COURSE AGGREGATE AND RIPRAP INSTALLED TO PROVIDE FOR FILTERING/DETENTION AS WELL AS OUTLET STABILITY. THE SMALLER STONE SHALL BE VDOT #3, #357 OR #5 COURSE AGGREGATE (SMALLER STONE SIZES WILL ENHANCE FILTER EFFICIENCY) AND RIPRAP SHALL BE "CLASS I." FILTER CLOTH WHICH MEETS THE PHYSICAL REQUIREMENTS NOTED IN STD. & SPEC. 3.19, RIPRAP SHALL BE PLACED AT THE STONE -SOIL INTERFACE TO ACT AS A "SEPARATOR." THE CREST OF THE STONE OUTLET MUST BE AT LEAST 1.0 FOOT BELOW THE TOP OF THE WIRE -SUPPORTED SILT FENCE TO ENSURE THAT THE FLOW WILL TRAVEL OVER THE STONE AND NOT OVER THE FENCE. THE OUTLET SHALL IBE CONFIGURED AS NOTED IN PLATE 3.13-2. 9. MAINTENANCE: A. SILT FENCE SHALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND AT LEAST DAILY DURING PROLONGED RAINFALL. ANY REQUIRED REPAIRS SHALL BE MADE IMMEDIATELY. B. CLOSE ATTENTION SHALL BE PAID TO THE REPAIR OF DAMAGE SILT FENCE RESULTING FROM END RUNS AND UNDERCUTTING. C. SHOULD THE FABRIC ON A SILT FENCE DECOMPOSE OR BECOME INEFFECTIVE PRIOR TO THE END OF THE EXPECTED USABLE LIFE AND THE BARRIER IS STILL NECESSARY, THE FABRIC SHALL BE REPLACED PROMPTLY. D. SEDIMENT SHALL BE REMOVED AND THE TRAP RESTORED TO ITS ORIGINAL DIMENSIONS WHEN THE SEDIMENT HAS ACCUMULATED TO ONE HALF OF THE DESIGN VOLUME OF THE WET STORAGE OR EMINENT FAILURE IS EVIDENT. SEDIMENT REMOVAL FROM THE AREA SHALL BE DEPOSITED IN A SUITABLE AREA AND IN SUCH A MANNER THAT IT WILL NOT ERODE AND CAUSE SEDIMENTATION PROBLEMS. E. STONE SHALL BE REGULARLY CHECKED TO ENSURE THAT FILTRATION PERFORMANCE IS MAINTAINED. STONE CHOKED WITH SEDIMENT SHALL BE REMOVED AND CLEANED OR REPLACED. F. THE STRUCTURE SHALL BE CHECKED REGULARLY TO ENSURE THAT IT IS STRUCTURALLY SOUND AND HAS NOT BEEN DAMAGED BY EROSION OR CONSTRUCTION EQUIPMENT. THE HEIGHT OF THE STONE OUTLET SHALL BE CHECKED TO ENSURE THAT ITS CENTER IS AT LEAST 1 FOOT BELOW THE TOP OF THE FENCE. G. TEMPORARY STRUCTURES SHALL BE REMOVED WHEN THEY HAVE SERVED THEIR USEFUL PURPOSE, BUT NOT BEFORE UPSLOPE AREA HAS BEEN PERMANENTLY STABILIZED. MODIFIED MUD TRAP DETAIL NTS D2 DESIGNED DSB DRAWN H&S CHECKED LWI DSB PROJ.ENGR. DSB DSB >� 1-0 Lic. No.0 (45376 ffiZENMD SAWYER Environmental Engineers & Scientists 4011 WestChase Boulevard, Suite 500 Raleigh, North Carolina 27607 NC License C-0381 TEMPORARY SEDIMENT TRAP sT 1' VARIABLE* VARIABLE 67 CU. YD./ACRE �? VARIABLE* 67 CU. YD./ACRE (EXCAVATED) 4` MAX. FILTER CLOTH ORIGINAL GROUND ELEV. COARSE AGGREGATE CLASS I RIPRAP CROSS SECTION OF OUTLET CLASS I RIPRAP LENGTH (IN FEET - X DR)AiNAGE AEA IN AC.) DIVERSION ../ / DIKE �•+,;i�?ice"��,�r�srr'`��`,�'.l►�j`_.. c� � �. �� ,t;�i1� •--mss yrs �"--_-_'�'L _ `"' r RIVANNA WATER AND SEWER AUTHORITY CHARLOTTESVILLE, VIRGINIA WATER TREATMENT PLANT GAG UPGRADES FLOWABLE FILL FULL TRENCH WIDTH (NO ENCASEMENT REQUIRED FOR SPACE GREATER THAN 120)—\ r r � 6° MIN 12" MAX 1" THICK COMPRESSIBLE JOINT FILLER MATERIAL - MISCELLANEOUS STANDARD DETAILS SHEET 2 J 6" PIPE 1 6" O.D. EXIST - - 0-1—PE 6" MIN 12" MAX D.:::. i r R DATE DECEMBER 2014 THE SCALE BAR SHOWN BELOW H&S JOB MEASURES ONE NUMBER 32135--011 INCH LONG ON THE ORIGINAL CONTRACT DRAWING DRAWING. NUMBER NUMBER 1 D2 FLAT FILE EXISTING GROUND FILTER CLOTH — STONE CONSTRUCTION ENTRANCE CE EXISTING - PAVEMENT 70' MIN FPAVEMENT 12' MIN* VDOT #1 COURSE AGGREGATE — MUST EXTEND FULL WIDTH OF INGRESS AND EGRESS OPERATION A I 3' 6" MIN.' A ELEVATION 70' MIN WASHRACK (OPTIONAL) B I- --POSITIVE DRAINAGE TO SEDIMENT TRAPPING DEVICE PLAN VIEW 12' MIN. MOUNTABLE BERM (OPTIONAL) i 10' MIN. -- EXISTING PAVEMENT 10' MIN. F'L'L ""V' SECTION "A—A° REI,., GRASS LINED CHANNEL (PERMANENT) STRAW W/ NETTING STRAW W/ NETTING (TEMPORARY) 3 3 TYP E 1 DITCH EROSION RETENTION BLANKET, GRASS LINED CHANNEL (PERMANENT) SEE DETAIL 0227014 DITCH EROSION RETENTION BLANKET (TEMPORARY) _ 0 0 ilN N O CD �� ¢� 0 T c— m 6 N N in O 0 0 EXISTING TREE FENCING FABRIC ORANGE MIRASAFE 4.2" Ln • N �o 0 % N OR WOODEN 2X4 Cn __jJ Q 4 Q� Ld �__j �__j §i< 3 EXISTINGCD CD (:D GRADE 10' MAX SPACING Q TC MIRAFI >i POST—TO—POST VERTICAL 2X4 OR TIE TO METAL "T" POSTS. M L! MAINTENANCE REQUIREMENTS: 1. N � 1. INSPECT WEEKLY AND AFTER EACH RAINFALL IMMEDIATE WORK ZONE IN WOODED AREAS AS SHOWN ON THE PRODUCING z INCH OR MORE OF RAIN. J[:f LJ Cr'� 1 O 2. REPAIR OR RELACE DAMAGED FENCING IMMEDIATELY. 2. r7 N � 3. REPLACE ANY DAMAGED SIGNAGE IMMEDIATELY AS DBH (DIAMETER AT BREAST HEIGHT). AREA INSIDE OF FENCING NEEDED. �cy- SHALL HAVE NO PARKING OF EQUIPMENT OR STOCKPILING OF 4. IF ROOTS ARE DAMAGED, CUT OFF DAMAGED AREAS SUPPLIES. CLEANLY AND KEEP EXPOSED ROOTS MOIST BY SPREAD PEAT MOSS, MOIST TOPSOIL, OR MOIST MULCH. NO 3. "MIRASAFE" HIGH STRENGTH POLYMER G FABRIC BY MIRAFI PAINT IS NEEDED. CONSTRUCTION PRODUCTS, PENDERGRASSSS, GEORGIA. � N N 5. FENCING SHALL BE INSTALLED SUCH THAT NO TREE 4. > CDa LU "TREE PROTECTION AREA/DO NOT ENTER AREA/PARA OCCUR ONLY A CERTIFIED ARBORIST SHOULD DO ANY 10 a BARK TRACING, NO PAINT IS NEEDED. — a �_jM i f �o Ln a O 3 12/14 2 12/14 1 08%14 if co CD REV DATE C11j x::5 Cq 3 TYP E 3 TYPICAL, DITCH DETAIL (SEE DETAIL 0227021) 0227011 ISSUED FOR BID STATE RESUBMITTAL FINAL DESIGN STONE LINING 1 i1 -r- n vLOTEXTILE SEPARATOR DESIGNED DRAWN HBcS CHECKED DSB PROJ.ENGR. DSB DSB DIVERSIONS ov TYPICAL PARABOLIC DIVERSION 10% SETTLEMENT i 0.3' FREE BOARD— _ _ _ ..................:..........._ iii — I DESIGN FL04EPTH - - - - _ �IIilIMI NM��f i ::'1 1 i 10% SETTLEMENT --,,T : O.3' FREE BOARD----_ ----- :..... .........::::... . TYPICAL VEE --SHAPED DIVERSION 0227009 TALirl Mr)k 11 Al 2» INSTALLATION CRITERIA FOR SOIL STABILIZATION BLANKET ANCHOR SLOT NOTES APPROXIMATELY 200 STAPLES REQUIRED i PER 100 SQ. YDS. OF MATERIAL ROLL. CHEKSLTABE[L0TSOCOS TOBURIE6T12". 12" MAX. 4:1 OR FLATTER 6" MAX. STEEPER THAN 4:1 JUNCTION SLOT EDGE AND AND END JOINTS I i I I Iii I i 1 CHECK SLOT* TO BE SNUGLY ABUTTED i VTUAPLED TE MESH WILL HAVE I I I I TERMINAL FOLD LAP JOIN TI I „ LIEU OF EDGE JOINT}N LAP JOINT 2 MIN. I (JUTE MESH ONLY) o I I I I r f I I 5' MAX. 4:1 OR FLATTER if 3' MAX. STEEPER THAN 4:1 iIP, ii-� 6" TO 12" i I III I I I i l i i I I I If I CHECK SLOT ORR( __ I I „ 1" TO 2" 2 TAMP CHECK SLOT FIRMLY 0 - 1 VAR. VAR. Iii 6" TO 12" 6" TO 8" MIN. PLAN VIEW =1I I=7IffTr= i1�=11 i= STAPLING DIAGRAM *CHECK SLOTS AT MIN. STAPLE FORMED FROM NO.11 STEEL WIRE -50' C -C INTERVALS; 8" STAPLE MIN: LENGTH FOR SANDY SOIL -NOT REQ.'D -WITH ALL JUNCTION SLOT TAMP 2„ FIRMLY S„ TO 12" 3 2„ MAINTENANCE REQUIREMENTS: 1. INSPECT MATTING WEEKLY AND AFTER EACH RAINFALL EVEN THAT PRODUCES INCH OR MORE OF RAIN. REPAIR OR REPLACE IMMEDIATELY AS NECESSARY. 2. GOOD CONTACT WITH THE GROUND MUST BE MAINTAINED, AND EROSION MUST NOT OCCUR BENEATH THE MATTING. 3. ANY AREAS OF THE MATTING THAT ARE DAMAGED OR NOT IN GOOD CONTACT WITH THE GROUND SHALL BE REPAIRED OR REPLACED AND STAPLED IMMEDIATELY. 4. IF EROSION DOES OCCUR, THE PROBLEM SHALL BE FIXED AND ERODED AREA REPAIRED AND PROTECTED FROM FURTHER DAMAGE 5. CONTINUE MONITORING MATTED AREAS UNTIL PERMANENT GROUND COVER HAS BEEN ESTABLISHED. ROLLED EROSION CONTROL MATTING (RECM) DETAIL NTS D3 �4�_ ° - �3AIN IU VYA!5,-ltT""--- 1-0 Lie. No.045376 TERMINAL FOLD TAMP FIRMLY 4„ F„ 1. AREA SHALL BE CLEARED AND GRUBBED ACCORDING TO SPECIFICATIONS. 2. SEED BANK ACCORDING TO PLAN SPECIFICATIONS. 3. SECURE MATS AT THE TOP OF THE SLOPE BY TOEING IT IN AND REINFORCING IT WITH A ROW OF AT LEAST FIVE (5) STAPLES, SPACING EACH ONE APPROXIMATELY 8" APART. 4. PLACE STAPLES 6"-8" APART ALONG LENGTH OF MAT BLANKET TO SECURE TO THE SOIL SURFACE. ALL STAPLES MUST BE FLUSH TO THE SURFACE. ffiz NAND SAWYER Environmental Engineers & Scientists 4011 WestChase Boulevard, Suite 500 Raleigh, North Carolina 27607 NC License C-0381 ROCK CHECK DAM C� 2 ACRES OR LESS OF DRAINAGE AREA: 3' FILTER CLOTH (OPTIONAL) - VDOT #1 CO FL( (DOWNSTREAM' VIEW) �vflVv v✓flUY vVi��v t�" , FILTER CLOT 90 o�°O��°0� 3 (OPTIONAL) o��aooQa�Do (DOWNSTREAMI VIEW) VDOT #1 COARSE AGGREGATE FLOW O�o�O 2:1 3, RIVANNA WATER AND SEWER AUTHORITY CHARLOTTESVILLE, VIRGINIA WATER TREATMENT PLANT GAC UPGRADES 0227003 .......... . ...... . . ...... ATONE... i y.�...:.+acc'::::..-..:.:..A...w.. ...:.eM �p is:3A.4�ir ' <:...::�..:...._.:cc.:...:.._...a.::............_.....�,�p:. 3&:A o E BASE MISCELLANEOUS STANDARD DETAILS SHEET 3 DATE DECEMBER 2014 THE SCALE BAR SHOWN BELOW H&S JOB MEASURES ONE NUMBER` --011 INCH LONG ON THE ORIGINAL CONTRACT DRAWING DRAWING. NUMBER NUMBER 1 D3 FLAT FILE EXISTING TREE FENCING FABRIC ORANGE MIRASAFE 4.2" METAL "T " POST OR WOODEN 2X4 CD CD CDr EXISTINGCD CD (:D GRADE 10' MAX SPACING TC MIRAFI MIRASAFE OR AN APPROVED EQUAL. STAPLE TO POST—TO—POST VERTICAL 2X4 OR TIE TO METAL "T" POSTS. NOTES: MAINTENANCE REQUIREMENTS: 1. PLACE CONTINUOUS RUN OF FENCE MATERIAL ON BOTH SIDES OF 1. INSPECT WEEKLY AND AFTER EACH RAINFALL IMMEDIATE WORK ZONE IN WOODED AREAS AS SHOWN ON THE PRODUCING z INCH OR MORE OF RAIN. PLANS. DO NOT ATTACH FENCE MATERIAL TO TREES. 2. REPAIR OR RELACE DAMAGED FENCING IMMEDIATELY. 2. TREE PROTECTION FENCING FABRIC TO BE PLACED IN A RADIUS OF A MINIMUM OF 1.5' FROM THE TRUNK FOR EACH INCH OF 3. REPLACE ANY DAMAGED SIGNAGE IMMEDIATELY AS DBH (DIAMETER AT BREAST HEIGHT). AREA INSIDE OF FENCING NEEDED. SHOULD BE A NO ACCESS, NO ENCROACHMENT ZONE THAT SHALL HAVE NO PARKING OF EQUIPMENT OR STOCKPILING OF 4. IF ROOTS ARE DAMAGED, CUT OFF DAMAGED AREAS SUPPLIES. CLEANLY AND KEEP EXPOSED ROOTS MOIST BY SPREAD PEAT MOSS, MOIST TOPSOIL, OR MOIST MULCH. NO 3. "MIRASAFE" HIGH STRENGTH POLYMER G FABRIC BY MIRAFI PAINT IS NEEDED. CONSTRUCTION PRODUCTS, PENDERGRASSSS, GEORGIA. 5. FENCING SHALL BE INSTALLED SUCH THAT NO TREE 4. ONE SIGN PER 50' OF TREE PROTECTION FENCING SHALL READ: BARK DAMAGE OCCURS. IF SUCH DAMAGE DOES "TREE PROTECTION AREA/DO NOT ENTER AREA/PARA OCCUR ONLY A CERTIFIED ARBORIST SHOULD DO ANY PROTECCION DE LOS ARBOLES/PROHIBIDO ENTRAR" BARK TRACING, NO PAINT IS NEEDED. ROCK CHECK DAM C� 2 ACRES OR LESS OF DRAINAGE AREA: 3' FILTER CLOTH (OPTIONAL) - VDOT #1 CO FL( (DOWNSTREAM' VIEW) �vflVv v✓flUY vVi��v t�" , FILTER CLOT 90 o�°O��°0� 3 (OPTIONAL) o��aooQa�Do (DOWNSTREAMI VIEW) VDOT #1 COARSE AGGREGATE FLOW O�o�O 2:1 3, RIVANNA WATER AND SEWER AUTHORITY CHARLOTTESVILLE, VIRGINIA WATER TREATMENT PLANT GAC UPGRADES 0227003 .......... . ...... . . ...... ATONE... i y.�...:.+acc'::::..-..:.:..A...w.. ...:.eM �p is:3A.4�ir ' <:...::�..:...._.:cc.:...:.._...a.::............_.....�,�p:. 3&:A o E BASE MISCELLANEOUS STANDARD DETAILS SHEET 3 DATE DECEMBER 2014 THE SCALE BAR SHOWN BELOW H&S JOB MEASURES ONE NUMBER` --011 INCH LONG ON THE ORIGINAL CONTRACT DRAWING DRAWING. NUMBER NUMBER 1 D3 FLAT FILE