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Home My WebLink AboutWPO201800008 Plan - VSMP WPO VSMP 2018-05-174 I K7 HA VSMP ROSION CONTRO P N �5 co � 04 0 cc @%S tL Z -1 . RDL - REVISIONS 03/28/2018 COUNTY COMMENTS 05/17/2018 COUNTY COMMENTS DATE JAN. 12, 2018 SCALE AS SHOWN CONTOUR INTERVAL NA Z g NJW Wcc O0 F- I- Z wQZJ(9 W=� CLU % � ��++ i J o LJ.. U wi`OQ� V J Cr < 2 O O �- 9 U U oC (�W0 J(zJ ^ O 1.1. ♦♦2 V♦ FILE NUMBER 8053 SHEET 1 of 8 � SITE DATA OWNER /DEVELOPER: MARCH MOUNTA/N PROPERTIES LLC CONTACT.• DAVE BROCKMAN 1005 HEATHERCROFT CIRCLE, SUITE 400 CELL: (702)-985-9088 CROZET, VA 22932 dave®oldtrailvillage. com SHEET INDEX PLAN PREPARER: ROUDABUSH, GALE, &ASSOCIATES 914 MONTICELLO ROAD CHARLOTTESVILLE, VA. 22902 SHEET 1 ----_____ 0 LD TRAI L V1 LLAG E VER HEET (434)-977-0205 SHEET 2 ---------- EXISTING CONDITIONS PLAN TAX MAP PARCEL No: A PORTION OF 055E0 -01-7A-00000 SHEET 3 ----_----_ EROSION CONTROL PLAN PHASE 1 ZON/NG: NEIGHBORHOOD MODEL DISTR/CT /N ACCORDANCE WITH PROFFERS0C OF ZMA 2015-00001 APPROVED FEBRUARY 10, 2016 SHEET 4 ------__-- EROSION CONTROL PLAN PHASE 2 ENTRANCE CORR/DOR OVERLAY DISTRICT STEEP SLOPES (MANAGED) OVERLAY DISTRICT SHEET 5 ----_--_-- EROSION CONTROL NARRATIVE LU 2 USE.• 14 SINGLE FAMILY ATTACHED UNITS SHEET 6 ---------- EROSION CONTROL NOTES &DETAILSS El BUILDING HEIGHT.• 3 -STORY SETBACKS: FRONT; SIDE AND REAR: 0' MINIMUM SHEET 7 ---------- NOTES, DETAILS &COMPUTATIONS FRONT 25' MAXIMUM SHEET 8 ---------- DRAINAGE COMPLIANCE MAP& LA C� � PROJECT AREA: 0.69 ACRES AREA SUMMAR/ES: TOTAL - 0.69 ACRES �PO��O � ��OOOOV LOTS - 0.52 ACRES r� ,,, �hSpGale l& Associa�tesrshall be the Responsib/e Land Disturber PRIVATE ROW - 0.17 ACRES ✓•„ , t f I , ; „\ ,,/� � � 2 C4 � (RLD) for the plan review portion of this project ONLY. Prior to the -.\- � � ,. ,,,! �y� �, > �, .\ � , " issuance of a Land Disturbance Permit, anew RLD shall be LOT AREAS: LOT 13 1,415 SF LOT 20 1, 701 SF ,, , ;�.4�y _ << t " _:, t. � de gated. LOT 14 1, 008 SF LOT 21 1, 701 SF � � \ v LOT 22 2 215 SF '� _ LOT 15 1 003 SF � � - -- � , LOT 16 1002 SF LOT 23 2,246 SF , � f � � ✓' '� LOT 17 1' 003 SF LOT 24 1 700 SF I � €`�I r � , � � i /, .,,, I 1tl t , r �'\ �, ,f LOT 18 1,477 SF LOT 25 1,700 SF - � " ' ,(,,i' � �t, ; , ; ' � LEGEND LOT 19 2,167 SF LOT 26 2,242 SF / 1;- 1'" - I , - ,��; ,,, "j's '' " \__ ,�,,,,, / '1z -1, "', , - 0 4:14 11 ! 2 PROPOSED TREE • ACRE EXISTING INTERMEDIbTE CONTOUR � ____ GROSS RESIDENTIAL DENSITY. 20.3 UNIT/ '" � _ ," �' ', 1 ' % ;L� ;' � �,,. �. � .,.. .., ,..,, .�� EXISTING WATERLINE W/ TEE I EXISTIN IN 0 TOUR MAGISTERIAL DISTRICT. WHITE HALL MAGISTERIAL DISTRICT ,. .,. , �. � ... ,: ,. ' ,' =G(� .,: Q r � - ,� r �" :-- � A ;RO PROPOSED DCONTOUR 20 PROPOSED WATERLINE W/ TEE tN -+-- r , r , a STORMWATER MANAGEMENT.• AS DEFINED BY THE OVERALL STORMWATER MASTER PLAN (WP020160009), APPROVED ` ' £ t s �' EXISTING EDGE OF PAVEMENT - ____Ex. EP - EXISTING FIRE HYDRANT �JJ'' 4/25/2016 T PROPOSED FIRE T { - ;�, � ; ; PROPOSED E OF PAVEMEN _..___ __._..__._. CURB AND -___-- HYDRAN ` " � EX C&G y �� EDG �- WATERSHED. LICKINGHOLE CREEK `- EXIST G GU EXIS INC L ,r T WATER VA VE BOUNDARY SOURCE SUBDIVISION PLAT BLOCK 7A OLD TRAIL VILLAGE B 4954 PG , _ °�' � -' __ t, t , -�. �� D CURB AND GUTTE PROPOSED WATER VALV � W , � r r ... .. .....,•: fir,. -'3 __. � PROPOSE SUBDIVISION PLAT BLOCK 7B OLD TRA/L VILLAGE lJB 4954 PG 18 „ SUBDIVISION PLAT BLOCK 7A, PHASE 1 OLD TRA/L VILLAGE DB 5024 PG 429 •"` " `' °� � TRANSITION FROM CSG 6 ROLL TOP _ 0 PROPOSED WATER METER CG ' 111 1 ,,. ,r ,. � ' % � , '- � ." � �',T 'i t .. �EX 15" RCP ,.� -%: ��\' �\ � a',, _....� _ f ;' ISTWG STORM SEWER _ EXISTING REDUCER TOPOGRAPHY.• LOUISA AER/AL SURVEYS, AUGUST 2012 ,' I . , �. �, ", �;.; ,.. , ��- , '' k __15' RCP PROPOSED REDUCER --► W ROUDABUSH GALE do ASSOC. TOPOGRAPHIC FIELD SURVEY FROM JUNE 2015, AUGUST ,' - ' i ` ,- ; . ," ,,, , � ;,,, r , � , PROPOSED STORM SEWER 2015, NOVEMBER 2016 AND JULY 2017. ;� U � - ) - � � � '"' � �/ HANDICAP RAMP CG 1 � , SING SANITARY SEWER _. . _. _ - � � � DENOTES LO ATION OF STD. VDOT2 - -" ` `r ;� � 11 11 1, �;... CG -12 AND�OR JURISDICTIONAL BENCHMARK: TOP OF EXISTING STORM SEWER INLET 219 AT 682.30 PROPOSED SANITARY SEWER KKKAAAAAA _ ._ - - � `' CO ON s STANDARD MP NSTRUCTI DATUM: VERTICAL - NAVD 88, HORIZONTAL - NAD 83 � \' � \�;� PROPERTY LINE PARKING INDICATOR 12 INDICATES THE NUMBER OF TYPICAL PARKING SPACES �, f > ;, \ EASEMENT LINE FLOODPLAIN: TH/S PROJECT /S LOCATED WITH/N 'ZONE X" AS SiHOWN ON FLOOD INSURANCE RATE CENTERLINE BENCHMARK BLOCK 7 'r�'< MAP. COMMUNITY PANEL NUMBER 510003C 0237 D. EFFECTIVE DATE: FEBRUARY 4. �- '`: '�11 , " t. - * \ - - - - ' �' `r' i - ,y , � SLOPESC OL BE SEO D D, MULCHED &TACKED 2005. °, OR GRADING "'� � � "' , PH. 2 T PARKING REQUIRED: 1.5 SPACES FOR EVERY ONE -BEDROOM UNIT PLUS ON�� (1) GUEST SPACE FOR FOUR (4) ' � '� �` ` �' _, EXISTING SPOT ELEVATION +12.0 '- i `, _ f VEHICLES PER DAY COUNT � r VPC UNITS _ _____ , 111.1 W , ,,,,,, "" � � " , i r � N + 12.0 _ _._- _ TIO * + 6 4 = 10.5 PARK/NG SPACES _ i G N 6 1.5 .: PROPOSED SPOT ELEVA ( ) (/) , , l PROPOSED STREET NAME S / � LIMITS OF DEMOLITION �xxxxxxx 1 k TWO (2) PARKING SPACES FOR EVERY UNIT PLUS ONE (1) GUEST SPACE FOR FOUR (4) UNITS � ' ,- LAI IN .� 1 • EXISTING * 8 4 = 18.0 PARK/NG SPACES tt - " STREAM BUFFER �- --��"° 8 2 + � Q�` � , =:. � �; �� PROPOSED I S GN ,�;- �- ( TOTAL REQUIRED = 28.5 SPACES '' '' - " G EXISTING TREE DRIP LINE _.," � SANITARY MANHOLE IDENTIFIER I , PARKING PROVIDED: 1 1 SPACES (6 DRIVEWAY SPACES + 5 ON-STIREET PARKING SPACES) � � � � • � EXISTING TREE _,._., t': EX. 1 �' OAK 32 SPACES (TWO GARAGE SPACES -f- TWO DRIV/SWAY SPACES) ('7 = STORM DRAIN STRUCTURE IDENTIFIER TOTAL PROVIDED = 43 SPACES Z k ' r r ,, PROPOSED IMPERVIOUS AREA: 29, 210 SF � w'u,. 11 - - ) L �`` "" � d PROPOSED TURF AREA: 1, 245 SF ,, ., � .r =ice _ t k < O , , LIGHTING: 1. ALL PROPOSED LIGHT/NG WILL NOT EXCEED 3,000 LUMENS. " • .. `',, `., ', ' ' _Rte , 250,.__. T,Tx � F 2. EACH OUTDOOR LUMINARIES EQUIPPED W/TH �A LAMP THAT EMITS 3,000 OR MORE Z i �� -� - E IN/T/AL LUMENS SHALL BEA FULL CUTOFF LUMINARIES AND SHALL BE ARRANGED �` � � m .:..........-_ � ,...• ..; ,. ,\ / tit , 0 OR SH/ELDED TO REFLECT LIGHT AWAY FROM ADJOIN/NG RESIDENT/AL DISTRICTS � AND FROM ADJACENT ROADS. -I 0. 11 14 " � • OUTDOOR LIGHT/NG SHALL BE ARRANGED OR SHIELDED TO REFLECT LIGHT = - �� - - 3. ALL , AWAY FROM ADJOINING RESIDENTIAL DISTRICTS AN'D AWAY FROM ADJACENT ROADS. ` � � - , "` �tlmmy L• 499art , t NO EVIDENCE OFA BURIAL SITE WAS FOUND ON THIS PORTION OF PARCEL A1. �,.; �- r2s41 VICINITY MAP sIONAL E�6�� NO STREAM BUFFERS) WERE FOUND ON THIS PORTION OF PARCEL A. THIS SITE IS NOT LOCATED WITHIN AN AGRICULTURAL -FORESTAL DISTRICT. SCALE;: 1'=1000 FEET by the Albemarle County THIS SITE IS LOCATED WITHIN THE SOUTH FORK RIVANNA RESERVOIR WATERSHED OFA PUBLIC WATER SUPPLY RESERVOIR. Community D �VeiU�m�nt pep�rimertt Date � � � ir V e \<7 Fife �t��, r?` �:�F� �_� - GENERAL CONSTRUCTION NOTES PLAN NOTES 6. CONTRACTOR SHALL VERIFY ALL DIMENSIONS, ELEVATIONS AND LOCATIONS PRIOR TO BEGINNING WORK, AND 6. ALL WATER METER, VALVES AND FIRE HYDRANT ADJUSTMENTS/RELOCATIONS SHALL BE PERFORMED BY THE ESQ-3: ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE FIRST IMMEDIATELY NOTIFY THE PROJECT MANAGER IN THE EVENT THERE ARE ANY DISCREPANCIES BETWEEN SUCH CONTRACTOR. CONTRACTOR SHALL KEEP A "REDLINE" SET OF PLANS DOCUMENTING ALL SUCH AS -BUILT STEP IN CLEARING. 1. THE OWNER WILL DESIGNATE A PROJECT MANAGER TO ACT AS OWNER'S REPRESENTATIVE DURING THIS CONDITIONS AND THOSE SHOWN ON THE PLANS AND SPECIFICATIONS. PROJECT. CONTRACTOR SHALL REPORT DIRECTLY TO THIS PROJECT MANAGER UNLESS OTHERWISE DIRECTED. REVISIONS. ES -4: A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON THE 2. THE DESIGNER HAS CONDUCTED NO STUDIES DESIGNED TO DISCOVER THE PRESENCE OF ANY HAZARDOUS 7. IN THE EVENT THAT GRADING AS SHOWN ON THE PLANS IS NOT FEASIBLE, CONTRACTOR SHALL ADVISE THE SITE AT ALL TIMES. PROJECT MANAGER AND ENGINEER BEFORE FINAL GRADING COMPLETION FOR ADVICE AND CONSENT. DRAINAGE SYSTEMS ESQ-5: PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE SUBSTANCES ON THIS PROPERTY AND ASSUMES NO RESPONSIBILITY OR LIABILITY RESULTING FROM THE PLANS BUT PRESENCE ON ANY SUCH SUBSTANCE. 1. CONTRACTOR SHALL EXERCISE CARE, ESPECIALLY AT INTERSECTIONS AND GUTTER LINES, TO PROVIDE (INCLUDING, NOT LIMITED TO, OFF-SITE BORROW OR WASTE AREAS), THE CONTRACTOR 3. THE CONTRACTOR SHALL OBTAIN ALL PERMITS REQUIRED FOR THIS WORK AND PAY ALL ASSOCIATED FEES. UTILITES &DRAINAGE SYSTEMS POSITIVE DRAINAGE. ANY AREAS WHERE WATER IS IMPOUNDED SHALL BE CORRECTED BY CONTRACTOR AT NO SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND THIS INCLUDES ALL NECESSARY PERMITS, INSPECTIONS, BONDS, AND OTHER APPROVAL RELATED ITEMS IN ADDITIONAL COST. POSITIVE DRAINAGE OF ALL ROADWAY AREAS TO THE STORM DRAIN INLETS OR OTHER APPROVAL BY THE PLAN REVIEWING AUTHORITY. ACCORDANCE WITH THESE PLANS AS WELL AS LOCAL, STATE, AND FEDERAL POLICIES. UTILITIES ACCEPTABLE DRAINAGE CHANNELS AS NOTED ON THE PLANS IS REQUIRED. ESQ-6: THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION CONTROL 4. PAVED OR RIP RAP DITCH MAY BE REQUIRED WHEN, IN THE OPINION OF THE RESIDENT ENGINEER OR HIS 1. ANY DAMAGE TO EXISTING UTILITIES CAUSED BY CONTRACTOR OR ITS SUBCONTRACTORS SHALL BE 2. CONTRACTOR SHALL MAINTAIN EXISTING STREAMS, DITCHES, DRAINAGE STRUCTURES, CULVERTS AND FLOWS MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN DESIGNEE, IT IS DEEMED NECESSARY IN ORDER TO STABILIZE A DRAINAGE CHANNEL. CONTRACTOR'S SOLE RESPONSIBILITY AND REPAIRED AT CONTRACTOR'S EXPENSE. AT ALL TIMES DURING THE WORK. CONTRACTOR SHALL PAY FOR ALL PERSONAL INJURY AND PROPERTY REVIEWING AUTHORITY. DAMAGE WHICH - MAY OCCUR AS A RESULT OF FAILING 0 T MAINTAIN ADEQUATE DRAINAGE. ESQ 7: ALL DISTURBED ARES ARE 0 T DRAIN TO APPROVED SEDIMENT 5. ALL TRAFFIC CONTROL SIGNS SHALL CONFORM WITH THE VIRGINIA MANUAL FOR UNIFORM TRAFFIC CONTROL 2. THESE PLANS DO NOT GUARANTEE THE EXISTENCE, NON-EXISTENCE OR LOCATION OF UTILITIES. T CONTROL MEASURES AT ALL TIMES DEVICES, LATEST EDITION, AND SHALL BE PROVIDED BY THE CONTRACTOR. CONTRACTOR SHALL VERIFY THE EXISTENCE AND LOCATION OR THE NON-EXISTENCE OF UTILITIES. AT LEAST 3. ALL PIPES, DI'S AND OTHER STRUCTURES SHALL BE INSPECTED BY THE PROJECT MANAGER BEFORE BEING DURING LAND DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION HAS 48 HOURS PRIOR TO ANY EXCAVATION OR CONSTRUCTION, CONTRACTOR SHALL NOTIFY MISS UTILITY BACKFILLED OR BURIED. THE PROJECT MANAGER MAY REQUIRE CONTRACTOR, AT NO ADDITIONAL COST, TO BEEN ACHIEVED. STANDARDS FOR THE 6. ALL EXCAVATION FOR UNDERGROUND PIPE INSTALLATION MUST COMPLY WITH OSHA (1-800-552-7001) AND/OR THE RESPECTIVE UTILITY COMPANIES FOR GAS, WATER, SEWER, POWER, PHONE UNCOVER AND RE-COVER SUCH STRUCTURES IF THEY HAVE BEEN BACKFILLED OR BURIED WITHOUT SUCH ES -8: DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED FILTERING DEVICE. CONSTRUCTION INDUSTRY (29 CFR PART 1926). AND CABLE. CONTRACTOR SHALL TIMELY ARRANGE TO HAVE THE VARIOUS UTILITIES LOCATED, AND TO HAVE INSPECTION. ES; -9: THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH 7. ALL MATERIALS AND WORKMANSHIP SHALL CONFORM TO THE VDOT ROAD AND BRIDGE STANDARDS (LATEST THEM REMOVED OR RELOCATED, OR TO DETERMINE THE METHOD OF PROTECTION ACCEPTABLE TO THE 4. ALL CATCH BASINS ENCOMPASSED WITHIN NEW CONSTRUCTION SHALL BE CONVERTED TO DROP INLETS. RUNOFF -PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EDITION) AND THE VDOT ROAD AND BRIDGE SPECIFICATIONS (LATEST EDITION). RESPECTIVE OWNER, IF THE METHOD OF PROTECTION IS NOT OTHERWISE SPECIFIED. CONTRACTOR SHALL 5. REMOVED PIPE SHALL BE THE PROPERTY OF CONTRACTOR UNLESS NEGOTIATED OTHERWISE BEFORE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. 8. CONTRACTOR SHALL PROVIDE NECESSARY REFLECTORS, BARRICADES, TRAFFIC CONTROL DEVICES AND/OR CONDUCT ITS WORK IN THE VICINITY OF EXISTING UTILITIES IN ACCORDANCE WITH THE RESPECTIVE UTILITY'S PROJECT BIDDING; AND IF NOT SALVAGED FOR RE -USE, SHALL BE DISPOSED OF LAWFULLY. FLAG PERSONS TO ENSURE THE SAFETY OF ITS WORKERS AND THE PUBLIC. TRAFFIC CONTROL SHALL BE RULES AND REGULATIONS. ANY COST INCURRED FOR REMOVING, RELOCATING OR PROTECTING UTILITIES 6. ALL STORM SEWER PIPE AND DROP INLETS SHALL BE CLEARED OF DEBRIS AND ERODED MATERIAL PRIOR APPROVALS DONE WITH THE KNOWLEDGE AND PERMISSION FROM THE STREET'S OWNER AND AUTHORITY. SHALL BE BORNE BY CONTRACTOR UNLESS INDICATED OTHERWISE. CONTRACTOR SHALL EXCAVATE TO LOCATE TO FINAL ACCEPTANCE. BURIED UTILITIES FAR ENOUGH IN ADVANCE OF ITS WORK TO ALLOW FOR HORIZONTAL AND. /OR VERTICAL 9. CONTRACTOR SHALL MAINTAIN SAFE AND PASSABLE PUBLIC ACCESS TO PROPERTIES AND THE (PUBLIC ADJUSTMENTS TO ITS WORK AND/OR THE UTILITIES. NO ADJUSTMENT IN COMPENSATION OR SCHEDULE WILL 7. ALL STORM SEWER PIPE JOINTS SHALL BE SEATED AND SEALED IN ACCORDANCE WITH THE MANUFACTURER'S DEPARTMENT OF COMMUNITY DEVELOPMENT RIGHT-OF-WAY DURING CONSTRUCTION. ACCESS FOR EMERGENCY VEHICLES SHALL BE MAINTAINED AT ALL BE ALLOWED FOR DELAYS RESULTING FROM CONTRACTOR'S FAILURE TO CONTACT AND COORDINATE WITH SPECIFICATIONS. TE TIMES. UTILITIES. 8. ALL EXISTING ROOF DRAINS AND OTHER DRAINAGE' CONDUIT BLOCKED OR DISRUPTED FROM THEIR PLANNING /ZONING 3. WHEN THE WORK CROSSES EXISTING UTILITIES, THE EXISTING UTILITIES SHALL BE ADEQUATELY SUPPORTED PRE -CONSTRUCTION DRAINAGE PATTERNS SHALL BE SHORTENED, EXTENDED OR OTHERWISE ROUTED USING EARTHWORK, DRAINAGE, &SITE CONDITIONS AND PROTECTED FROM DAMAGE DUE TO THE WORK. ALL METHODS FOR SUPPORTING AND MAINTAINING THE MATERIALS APPROVED BY THE ENGINEER, AND IN SUCH A WAY THAT THE NEW DRAINAGE PATTERNS ARE ENGINEERING 1. EXCEPT AS OTHERWISE SHOWN ON THE PLANS, ALL CUTS AND FILLS SHALL MATCH EXISTING SLOPES OR EXISTING UTILITIES SHALL BE APPROVED BY THE RESPECTIVE UTILITY COMPANY AND/OR THE ENGINEER. ACCEPTABLE TO ENGINEER AND THE PROJECT MANAGER. BE NO GREATER THAN 2:1. CONTRACTOR SHALL EXERCISE CARE TO INSURE THAT THE GRADE AND ALIGNMENT OF EXISTING UTILITIES INSPECTIONS 2. UNLESS OTHERWISE NOTED ON THE PLANS OR IN THE SPECIFICATIONS, ALL FILL MATERIALS SHALL BE ARE MAINTAINED AND THAT NO JOINTS OR CONNECTIONS ARE DISPLACED. BACKFILL SHALL BE CAREFULLY EROSION CONTROL COMPACTED TO 95% OF THEORETICAL MAXIMUM DENSITY AS DETERMINED BY AASHTO T-99 METHOD A, PLACED AND COMPACTED TO PREVENT FUTURE DAMAGE OR SETTLEMENT TO EXISTING UTILITIES. ANY WITHIN PLUS OR MINUS 2�L 11"A �� % r � a o ..W [��_ �N=2�c�Q �� zo � OV Jz v10 ay �a Q UQ M OW N W p J 2 20 � �� 0� s LU � COw � W z 4 W �� F� � W O a UTILITIES REMOVED AS PART OF THE WORK, AND NOT INDICATED TO BE REMOVED OR ABANDONED, SHALL ES -1: UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL ARCHITECTUAL REVIEW BOARD OF OPTIMUM MOISTURE, FOR THE FULL WIDTH AND DEPTH OF THE FILL. BE RESTORED USING MATERIALS AND INSTALLATION EQUAL TO THE UTILITY'S STANDARDS. PRACTICES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND 3. ALL GRADING AND IMPROVEMENTS TO BE CONFINED TO THE PROJECT AREA UNLESS OTHERWISE INDICATED. SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA AND THE DEPARTMENT OF FIRE RESCUE 4. ALL MATERIALS AND INSTALLATION DETAILS SHALL CONFORM TO APPLICABLE LOCAL ORDINANCES AND VDOT 4. CONTRACTOR SHALL NOTIFY LANDOWNERS, TENANTS PROJECT MANAGER PRIOR TO THE REGULATIONS VR 625-02-00 EROSION AND SEDIMENT CONTROL REGULATIONS. INTERRUPTION OF ANY SERVICES. SERVICE INTERRUPTIONS SHALL BE KEPT TOA MINIMUM AND SHALL ONL'.Y ROAD & BRIDGE STANDARDS (LATEST EDITION) UNLESS OTHERWISE STATED WITHIN THE PLANS.. OCCUR WITH THE KNOWLEDGE AND PERMISSION OF THE SERVICE'S OWNER OR AUTHORITY. ES -2: THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE PRE -CONSTRUCTION ALBEMARLE COUNTY SERVICE AUTHORITY 5. ANY UNUSUAL OR UNANTICIPATED SUBSURFACE CONDITIONS SHALL BE IMMEDIATELY REPORTED TO THE CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING ACTIVITY, AND ONE 5. THE ADJUSTMENT OF ALL MANHOLE TOPS, WATER VALVE BOXES, GAS VALVE BOXES AND WATER METER ENGINEER. WEEK PRIOR TO THE FINAL INSPECTION. BOXES SHALL BE THE RESPONSIBILITY OF CONTRACTOR. VA. DEPARTMENT OF TRANSPORTATION 4 I K7 HA VSMP ROSION CONTRO P N �5 co � 04 0 cc @%S tL Z -1 . RDL - REVISIONS 03/28/2018 COUNTY COMMENTS 05/17/2018 COUNTY COMMENTS DATE JAN. 12, 2018 SCALE AS SHOWN CONTOUR INTERVAL NA Z g NJW Wcc O0 F- I- Z wQZJ(9 W=� CLU % � ��++ i J o LJ.. U wi`OQ� V J Cr < 2 O O �- 9 U U oC (�W0 J(zJ ^ O 1.1. ♦♦2 V♦ FILE NUMBER 8053 SHEET 1 of 8 � SITE DATA OWNER /DEVELOPER: MARCH MOUNTA/N PROPERTIES LLC CONTACT.• DAVE BROCKMAN 1005 HEATHERCROFT CIRCLE, SUITE 400 CELL: (702)-985-9088 CROZET, VA 22932 dave®oldtrailvillage. com SHEET INDEX PLAN PREPARER: ROUDABUSH, GALE, &ASSOCIATES 914 MONTICELLO ROAD CHARLOTTESVILLE, VA. 22902 SHEET 1 ----_____ 0 LD TRAI L V1 LLAG E VER HEET (434)-977-0205 SHEET 2 ---------- EXISTING CONDITIONS PLAN TAX MAP PARCEL No: A PORTION OF 055E0 -01-7A-00000 SHEET 3 ----_----_ EROSION CONTROL PLAN PHASE 1 ZON/NG: NEIGHBORHOOD MODEL DISTR/CT /N ACCORDANCE WITH PROFFERS0C OF ZMA 2015-00001 APPROVED FEBRUARY 10, 2016 SHEET 4 ------__-- EROSION CONTROL PLAN PHASE 2 ENTRANCE CORR/DOR OVERLAY DISTRICT STEEP SLOPES (MANAGED) OVERLAY DISTRICT SHEET 5 ----_--_-- EROSION CONTROL NARRATIVE LU 2 USE.• 14 SINGLE FAMILY ATTACHED UNITS SHEET 6 ---------- EROSION CONTROL NOTES &DETAILSS El BUILDING HEIGHT.• 3 -STORY SETBACKS: FRONT; SIDE AND REAR: 0' MINIMUM SHEET 7 ---------- NOTES, DETAILS &COMPUTATIONS FRONT 25' MAXIMUM SHEET 8 ---------- DRAINAGE COMPLIANCE MAP& LA C� � PROJECT AREA: 0.69 ACRES AREA SUMMAR/ES: TOTAL - 0.69 ACRES �PO��O � ��OOOOV LOTS - 0.52 ACRES r� ,,, �hSpGale l& Associa�tesrshall be the Responsib/e Land Disturber PRIVATE ROW - 0.17 ACRES ✓•„ , t f I , ; „\ ,,/� � � 2 C4 � (RLD) for the plan review portion of this project ONLY. Prior to the -.\- � � ,. ,,,! �y� �, > �, .\ � , " issuance of a Land Disturbance Permit, anew RLD shall be LOT AREAS: LOT 13 1,415 SF LOT 20 1, 701 SF ,, , ;�.4�y _ << t " _:, t. � de gated. LOT 14 1, 008 SF LOT 21 1, 701 SF � � \ v LOT 22 2 215 SF '� _ LOT 15 1 003 SF � � - -- � , LOT 16 1002 SF LOT 23 2,246 SF , � f � � ✓' '� LOT 17 1' 003 SF LOT 24 1 700 SF I � €`�I r � , � � i /, .,,, I 1tl t , r �'\ �, ,f LOT 18 1,477 SF LOT 25 1,700 SF - � " ' ,(,,i' � �t, ; , ; ' � LEGEND LOT 19 2,167 SF LOT 26 2,242 SF / 1;- 1'" - I , - ,��; ,,, "j's '' " \__ ,�,,,,, / '1z -1, "', , - 0 4:14 11 ! 2 PROPOSED TREE • ACRE EXISTING INTERMEDIbTE CONTOUR � ____ GROSS RESIDENTIAL DENSITY. 20.3 UNIT/ '" � _ ," �' ', 1 ' % ;L� ;' � �,,. �. � .,.. .., ,..,, .�� EXISTING WATERLINE W/ TEE I EXISTIN IN 0 TOUR MAGISTERIAL DISTRICT. WHITE HALL MAGISTERIAL DISTRICT ,. .,. , �. � ... ,: ,. ' ,' =G(� .,: Q r � - ,� r �" :-- � A ;RO PROPOSED DCONTOUR 20 PROPOSED WATERLINE W/ TEE tN -+-- r , r , a STORMWATER MANAGEMENT.• AS DEFINED BY THE OVERALL STORMWATER MASTER PLAN (WP020160009), APPROVED ` ' £ t s �' EXISTING EDGE OF PAVEMENT - ____Ex. EP - EXISTING FIRE HYDRANT �JJ'' 4/25/2016 T PROPOSED FIRE T { - ;�, � ; ; PROPOSED E OF PAVEMEN _..___ __._..__._. CURB AND -___-- HYDRAN ` " � EX C&G y �� EDG �- WATERSHED. LICKINGHOLE CREEK `- EXIST G GU EXIS INC L ,r T WATER VA VE BOUNDARY SOURCE SUBDIVISION PLAT BLOCK 7A OLD TRAIL VILLAGE B 4954 PG , _ °�' � -' __ t, t , -�. �� D CURB AND GUTTE PROPOSED WATER VALV � W , � r r ... .. .....,•: fir,. -'3 __. � PROPOSE SUBDIVISION PLAT BLOCK 7B OLD TRA/L VILLAGE lJB 4954 PG 18 „ SUBDIVISION PLAT BLOCK 7A, PHASE 1 OLD TRA/L VILLAGE DB 5024 PG 429 •"` " `' °� � TRANSITION FROM CSG 6 ROLL TOP _ 0 PROPOSED WATER METER CG ' 111 1 ,,. ,r ,. � ' % � , '- � ." � �',T 'i t .. �EX 15" RCP ,.� -%: ��\' �\ � a',, _....� _ f ;' ISTWG STORM SEWER _ EXISTING REDUCER TOPOGRAPHY.• LOUISA AER/AL SURVEYS, AUGUST 2012 ,' I . , �. �, ", �;.; ,.. , ��- , '' k __15' RCP PROPOSED REDUCER --► W ROUDABUSH GALE do ASSOC. TOPOGRAPHIC FIELD SURVEY FROM JUNE 2015, AUGUST ,' - ' i ` ,- ; . ," ,,, , � ;,,, r , � , PROPOSED STORM SEWER 2015, NOVEMBER 2016 AND JULY 2017. ;� U � - ) - � � � '"' � �/ HANDICAP RAMP CG 1 � , SING SANITARY SEWER _. . _. _ - � � � DENOTES LO ATION OF STD. VDOT2 - -" ` `r ;� � 11 11 1, �;... CG -12 AND�OR JURISDICTIONAL BENCHMARK: TOP OF EXISTING STORM SEWER INLET 219 AT 682.30 PROPOSED SANITARY SEWER KKKAAAAAA _ ._ - - � `' CO ON s STANDARD MP NSTRUCTI DATUM: VERTICAL - NAVD 88, HORIZONTAL - NAD 83 � \' � \�;� PROPERTY LINE PARKING INDICATOR 12 INDICATES THE NUMBER OF TYPICAL PARKING SPACES �, f > ;, \ EASEMENT LINE FLOODPLAIN: TH/S PROJECT /S LOCATED WITH/N 'ZONE X" AS SiHOWN ON FLOOD INSURANCE RATE CENTERLINE BENCHMARK BLOCK 7 'r�'< MAP. COMMUNITY PANEL NUMBER 510003C 0237 D. EFFECTIVE DATE: FEBRUARY 4. �- '`: '�11 , " t. - * \ - - - - ' �' `r' i - ,y , � SLOPESC OL BE SEO D D, MULCHED &TACKED 2005. °, OR GRADING "'� � � "' , PH. 2 T PARKING REQUIRED: 1.5 SPACES FOR EVERY ONE -BEDROOM UNIT PLUS ON�� (1) GUEST SPACE FOR FOUR (4) ' � '� �` ` �' _, EXISTING SPOT ELEVATION +12.0 '- i `, _ f VEHICLES PER DAY COUNT � r VPC UNITS _ _____ , 111.1 W , ,,,,,, "" � � " , i r � N + 12.0 _ _._- _ TIO * + 6 4 = 10.5 PARK/NG SPACES _ i G N 6 1.5 .: PROPOSED SPOT ELEVA ( ) (/) , , l PROPOSED STREET NAME S / � LIMITS OF DEMOLITION �xxxxxxx 1 k TWO (2) PARKING SPACES FOR EVERY UNIT PLUS ONE (1) GUEST SPACE FOR FOUR (4) UNITS � ' ,- LAI IN .� 1 • EXISTING * 8 4 = 18.0 PARK/NG SPACES tt - " STREAM BUFFER �- --��"° 8 2 + � Q�` � , =:. � �; �� PROPOSED I S GN ,�;- �- ( TOTAL REQUIRED = 28.5 SPACES '' '' - " G EXISTING TREE DRIP LINE _.," � SANITARY MANHOLE IDENTIFIER I , PARKING PROVIDED: 1 1 SPACES (6 DRIVEWAY SPACES + 5 ON-STIREET PARKING SPACES) � � � � • � EXISTING TREE _,._., t': EX. 1 �' OAK 32 SPACES (TWO GARAGE SPACES -f- TWO DRIV/SWAY SPACES) ('7 = STORM DRAIN STRUCTURE IDENTIFIER TOTAL PROVIDED = 43 SPACES Z k ' r r ,, PROPOSED IMPERVIOUS AREA: 29, 210 SF � w'u,. 11 - - ) L �`` "" � d PROPOSED TURF AREA: 1, 245 SF ,, ., � .r =ice _ t k < O , , LIGHTING: 1. ALL PROPOSED LIGHT/NG WILL NOT EXCEED 3,000 LUMENS. " • .. `',, `., ', ' ' _Rte , 250,.__. T,Tx � F 2. EACH OUTDOOR LUMINARIES EQUIPPED W/TH �A LAMP THAT EMITS 3,000 OR MORE Z i �� -� - E IN/T/AL LUMENS SHALL BEA FULL CUTOFF LUMINARIES AND SHALL BE ARRANGED �` � � m .:..........-_ � ,...• ..; ,. ,\ / tit , 0 OR SH/ELDED TO REFLECT LIGHT AWAY FROM ADJOIN/NG RESIDENT/AL DISTRICTS � AND FROM ADJACENT ROADS. -I 0. 11 14 " � • OUTDOOR LIGHT/NG SHALL BE ARRANGED OR SHIELDED TO REFLECT LIGHT = - �� - - 3. ALL , AWAY FROM ADJOINING RESIDENTIAL DISTRICTS AN'D AWAY FROM ADJACENT ROADS. ` � � - , "` �tlmmy L• 499art , t NO EVIDENCE OFA BURIAL SITE WAS FOUND ON THIS PORTION OF PARCEL A1. �,.; �- r2s41 VICINITY MAP sIONAL E�6�� NO STREAM BUFFERS) WERE FOUND ON THIS PORTION OF PARCEL A. THIS SITE IS NOT LOCATED WITHIN AN AGRICULTURAL -FORESTAL DISTRICT. SCALE;: 1'=1000 FEET by the Albemarle County THIS SITE IS LOCATED WITHIN THE SOUTH FORK RIVANNA RESERVOIR WATERSHED OFA PUBLIC WATER SUPPLY RESERVOIR. Community D �VeiU�m�nt pep�rimertt Date � � � ir V e \<7 Fife �t��, r?` �:�F� �_� - GENERAL CONSTRUCTION NOTES PLAN NOTES 6. CONTRACTOR SHALL VERIFY ALL DIMENSIONS, ELEVATIONS AND LOCATIONS PRIOR TO BEGINNING WORK, AND 6. ALL WATER METER, VALVES AND FIRE HYDRANT ADJUSTMENTS/RELOCATIONS SHALL BE PERFORMED BY THE ESQ-3: ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE FIRST IMMEDIATELY NOTIFY THE PROJECT MANAGER IN THE EVENT THERE ARE ANY DISCREPANCIES BETWEEN SUCH CONTRACTOR. CONTRACTOR SHALL KEEP A "REDLINE" SET OF PLANS DOCUMENTING ALL SUCH AS -BUILT STEP IN CLEARING. 1. THE OWNER WILL DESIGNATE A PROJECT MANAGER TO ACT AS OWNER'S REPRESENTATIVE DURING THIS CONDITIONS AND THOSE SHOWN ON THE PLANS AND SPECIFICATIONS. PROJECT. CONTRACTOR SHALL REPORT DIRECTLY TO THIS PROJECT MANAGER UNLESS OTHERWISE DIRECTED. REVISIONS. ES -4: A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON THE 2. THE DESIGNER HAS CONDUCTED NO STUDIES DESIGNED TO DISCOVER THE PRESENCE OF ANY HAZARDOUS 7. IN THE EVENT THAT GRADING AS SHOWN ON THE PLANS IS NOT FEASIBLE, CONTRACTOR SHALL ADVISE THE SITE AT ALL TIMES. PROJECT MANAGER AND ENGINEER BEFORE FINAL GRADING COMPLETION FOR ADVICE AND CONSENT. DRAINAGE SYSTEMS ESQ-5: PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE SUBSTANCES ON THIS PROPERTY AND ASSUMES NO RESPONSIBILITY OR LIABILITY RESULTING FROM THE PLANS BUT PRESENCE ON ANY SUCH SUBSTANCE. 1. CONTRACTOR SHALL EXERCISE CARE, ESPECIALLY AT INTERSECTIONS AND GUTTER LINES, TO PROVIDE (INCLUDING, NOT LIMITED TO, OFF-SITE BORROW OR WASTE AREAS), THE CONTRACTOR 3. THE CONTRACTOR SHALL OBTAIN ALL PERMITS REQUIRED FOR THIS WORK AND PAY ALL ASSOCIATED FEES. UTILITES &DRAINAGE SYSTEMS POSITIVE DRAINAGE. ANY AREAS WHERE WATER IS IMPOUNDED SHALL BE CORRECTED BY CONTRACTOR AT NO SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND THIS INCLUDES ALL NECESSARY PERMITS, INSPECTIONS, BONDS, AND OTHER APPROVAL RELATED ITEMS IN ADDITIONAL COST. POSITIVE DRAINAGE OF ALL ROADWAY AREAS TO THE STORM DRAIN INLETS OR OTHER APPROVAL BY THE PLAN REVIEWING AUTHORITY. ACCORDANCE WITH THESE PLANS AS WELL AS LOCAL, STATE, AND FEDERAL POLICIES. UTILITIES ACCEPTABLE DRAINAGE CHANNELS AS NOTED ON THE PLANS IS REQUIRED. ESQ-6: THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION CONTROL 4. PAVED OR RIP RAP DITCH MAY BE REQUIRED WHEN, IN THE OPINION OF THE RESIDENT ENGINEER OR HIS 1. ANY DAMAGE TO EXISTING UTILITIES CAUSED BY CONTRACTOR OR ITS SUBCONTRACTORS SHALL BE 2. CONTRACTOR SHALL MAINTAIN EXISTING STREAMS, DITCHES, DRAINAGE STRUCTURES, CULVERTS AND FLOWS MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN DESIGNEE, IT IS DEEMED NECESSARY IN ORDER TO STABILIZE A DRAINAGE CHANNEL. CONTRACTOR'S SOLE RESPONSIBILITY AND REPAIRED AT CONTRACTOR'S EXPENSE. AT ALL TIMES DURING THE WORK. CONTRACTOR SHALL PAY FOR ALL PERSONAL INJURY AND PROPERTY REVIEWING AUTHORITY. DAMAGE WHICH - MAY OCCUR AS A RESULT OF FAILING 0 T MAINTAIN ADEQUATE DRAINAGE. ESQ 7: ALL DISTURBED ARES ARE 0 T DRAIN TO APPROVED SEDIMENT 5. ALL TRAFFIC CONTROL SIGNS SHALL CONFORM WITH THE VIRGINIA MANUAL FOR UNIFORM TRAFFIC CONTROL 2. THESE PLANS DO NOT GUARANTEE THE EXISTENCE, NON-EXISTENCE OR LOCATION OF UTILITIES. T CONTROL MEASURES AT ALL TIMES DEVICES, LATEST EDITION, AND SHALL BE PROVIDED BY THE CONTRACTOR. CONTRACTOR SHALL VERIFY THE EXISTENCE AND LOCATION OR THE NON-EXISTENCE OF UTILITIES. AT LEAST 3. ALL PIPES, DI'S AND OTHER STRUCTURES SHALL BE INSPECTED BY THE PROJECT MANAGER BEFORE BEING DURING LAND DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION HAS 48 HOURS PRIOR TO ANY EXCAVATION OR CONSTRUCTION, CONTRACTOR SHALL NOTIFY MISS UTILITY BACKFILLED OR BURIED. THE PROJECT MANAGER MAY REQUIRE CONTRACTOR, AT NO ADDITIONAL COST, TO BEEN ACHIEVED. STANDARDS FOR THE 6. ALL EXCAVATION FOR UNDERGROUND PIPE INSTALLATION MUST COMPLY WITH OSHA (1-800-552-7001) AND/OR THE RESPECTIVE UTILITY COMPANIES FOR GAS, WATER, SEWER, POWER, PHONE UNCOVER AND RE-COVER SUCH STRUCTURES IF THEY HAVE BEEN BACKFILLED OR BURIED WITHOUT SUCH ES -8: DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED FILTERING DEVICE. CONSTRUCTION INDUSTRY (29 CFR PART 1926). AND CABLE. CONTRACTOR SHALL TIMELY ARRANGE TO HAVE THE VARIOUS UTILITIES LOCATED, AND TO HAVE INSPECTION. ES; -9: THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH 7. ALL MATERIALS AND WORKMANSHIP SHALL CONFORM TO THE VDOT ROAD AND BRIDGE STANDARDS (LATEST THEM REMOVED OR RELOCATED, OR TO DETERMINE THE METHOD OF PROTECTION ACCEPTABLE TO THE 4. ALL CATCH BASINS ENCOMPASSED WITHIN NEW CONSTRUCTION SHALL BE CONVERTED TO DROP INLETS. RUNOFF -PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EDITION) AND THE VDOT ROAD AND BRIDGE SPECIFICATIONS (LATEST EDITION). RESPECTIVE OWNER, IF THE METHOD OF PROTECTION IS NOT OTHERWISE SPECIFIED. CONTRACTOR SHALL 5. REMOVED PIPE SHALL BE THE PROPERTY OF CONTRACTOR UNLESS NEGOTIATED OTHERWISE BEFORE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. 8. CONTRACTOR SHALL PROVIDE NECESSARY REFLECTORS, BARRICADES, TRAFFIC CONTROL DEVICES AND/OR CONDUCT ITS WORK IN THE VICINITY OF EXISTING UTILITIES IN ACCORDANCE WITH THE RESPECTIVE UTILITY'S PROJECT BIDDING; AND IF NOT SALVAGED FOR RE -USE, SHALL BE DISPOSED OF LAWFULLY. FLAG PERSONS TO ENSURE THE SAFETY OF ITS WORKERS AND THE PUBLIC. TRAFFIC CONTROL SHALL BE RULES AND REGULATIONS. ANY COST INCURRED FOR REMOVING, RELOCATING OR PROTECTING UTILITIES 6. ALL STORM SEWER PIPE AND DROP INLETS SHALL BE CLEARED OF DEBRIS AND ERODED MATERIAL PRIOR APPROVALS DONE WITH THE KNOWLEDGE AND PERMISSION FROM THE STREET'S OWNER AND AUTHORITY. SHALL BE BORNE BY CONTRACTOR UNLESS INDICATED OTHERWISE. CONTRACTOR SHALL EXCAVATE TO LOCATE TO FINAL ACCEPTANCE. BURIED UTILITIES FAR ENOUGH IN ADVANCE OF ITS WORK TO ALLOW FOR HORIZONTAL AND. /OR VERTICAL 9. CONTRACTOR SHALL MAINTAIN SAFE AND PASSABLE PUBLIC ACCESS TO PROPERTIES AND THE (PUBLIC ADJUSTMENTS TO ITS WORK AND/OR THE UTILITIES. NO ADJUSTMENT IN COMPENSATION OR SCHEDULE WILL 7. ALL STORM SEWER PIPE JOINTS SHALL BE SEATED AND SEALED IN ACCORDANCE WITH THE MANUFACTURER'S DEPARTMENT OF COMMUNITY DEVELOPMENT RIGHT-OF-WAY DURING CONSTRUCTION. ACCESS FOR EMERGENCY VEHICLES SHALL BE MAINTAINED AT ALL BE ALLOWED FOR DELAYS RESULTING FROM CONTRACTOR'S FAILURE TO CONTACT AND COORDINATE WITH SPECIFICATIONS. TE TIMES. UTILITIES. 8. ALL EXISTING ROOF DRAINS AND OTHER DRAINAGE' CONDUIT BLOCKED OR DISRUPTED FROM THEIR PLANNING /ZONING 3. WHEN THE WORK CROSSES EXISTING UTILITIES, THE EXISTING UTILITIES SHALL BE ADEQUATELY SUPPORTED PRE -CONSTRUCTION DRAINAGE PATTERNS SHALL BE SHORTENED, EXTENDED OR OTHERWISE ROUTED USING EARTHWORK, DRAINAGE, &SITE CONDITIONS AND PROTECTED FROM DAMAGE DUE TO THE WORK. ALL METHODS FOR SUPPORTING AND MAINTAINING THE MATERIALS APPROVED BY THE ENGINEER, AND IN SUCH A WAY THAT THE NEW DRAINAGE PATTERNS ARE ENGINEERING 1. EXCEPT AS OTHERWISE SHOWN ON THE PLANS, ALL CUTS AND FILLS SHALL MATCH EXISTING SLOPES OR EXISTING UTILITIES SHALL BE APPROVED BY THE RESPECTIVE UTILITY COMPANY AND/OR THE ENGINEER. ACCEPTABLE TO ENGINEER AND THE PROJECT MANAGER. BE NO GREATER THAN 2:1. CONTRACTOR SHALL EXERCISE CARE TO INSURE THAT THE GRADE AND ALIGNMENT OF EXISTING UTILITIES INSPECTIONS 2. UNLESS OTHERWISE NOTED ON THE PLANS OR IN THE SPECIFICATIONS, ALL FILL MATERIALS SHALL BE ARE MAINTAINED AND THAT NO JOINTS OR CONNECTIONS ARE DISPLACED. BACKFILL SHALL BE CAREFULLY EROSION CONTROL COMPACTED TO 95% OF THEORETICAL MAXIMUM DENSITY AS DETERMINED BY AASHTO T-99 METHOD A, PLACED AND COMPACTED TO PREVENT FUTURE DAMAGE OR SETTLEMENT TO EXISTING UTILITIES. ANY WITHIN PLUS OR MINUS 2�L 11"A �� % r � a o ..W [��_ �N=2�c�Q �� zo � OV Jz v10 ay �a Q UQ M OW N W p J 2 20 � �� 0� s LU � COw � W z 4 W �� F� � W O a 4 I K7 HA VSMP ROSION CONTRO P N �5 co � 04 0 cc @%S tL Z -1 . RDL - REVISIONS 03/28/2018 COUNTY COMMENTS 05/17/2018 COUNTY COMMENTS DATE JAN. 12, 2018 SCALE AS SHOWN CONTOUR INTERVAL NA Z g NJW Wcc O0 F- I- Z wQZJ(9 W=� CLU % � ��++ i J o LJ.. U wi`OQ� V J Cr < 2 O O �- 9 U U oC (�W0 J(zJ ^ O 1.1. ♦♦2 V♦ FILE NUMBER 8053 SHEET 1 of 8 � SITE DATA OWNER /DEVELOPER: MARCH MOUNTA/N PROPERTIES LLC CONTACT.• DAVE BROCKMAN 1005 HEATHERCROFT CIRCLE, SUITE 400 CELL: (702)-985-9088 CROZET, VA 22932 dave®oldtrailvillage. com SHEET INDEX PLAN PREPARER: ROUDABUSH, GALE, &ASSOCIATES 914 MONTICELLO ROAD CHARLOTTESVILLE, VA. 22902 SHEET 1 ----_____ 0 LD TRAI L V1 LLAG E VER HEET (434)-977-0205 SHEET 2 ---------- EXISTING CONDITIONS PLAN TAX MAP PARCEL No: A PORTION OF 055E0 -01-7A-00000 SHEET 3 ----_----_ EROSION CONTROL PLAN PHASE 1 ZON/NG: NEIGHBORHOOD MODEL DISTR/CT /N ACCORDANCE WITH PROFFERS0C OF ZMA 2015-00001 APPROVED FEBRUARY 10, 2016 SHEET 4 ------__-- EROSION CONTROL PLAN PHASE 2 ENTRANCE CORR/DOR OVERLAY DISTRICT STEEP SLOPES (MANAGED) OVERLAY DISTRICT SHEET 5 ----_--_-- EROSION CONTROL NARRATIVE LU 2 USE.• 14 SINGLE FAMILY ATTACHED UNITS SHEET 6 ---------- EROSION CONTROL NOTES &DETAILSS El BUILDING HEIGHT.• 3 -STORY SETBACKS: FRONT; SIDE AND REAR: 0' MINIMUM SHEET 7 ---------- NOTES, DETAILS &COMPUTATIONS FRONT 25' MAXIMUM SHEET 8 ---------- DRAINAGE COMPLIANCE MAP& LA C� � PROJECT AREA: 0.69 ACRES AREA SUMMAR/ES: TOTAL - 0.69 ACRES �PO��O � ��OOOOV LOTS - 0.52 ACRES r� ,,, �hSpGale l& Associa�tesrshall be the Responsib/e Land Disturber PRIVATE ROW - 0.17 ACRES ✓•„ , t f I , ; „\ ,,/� � � 2 C4 � (RLD) for the plan review portion of this project ONLY. Prior to the -.\- � � ,. ,,,! �y� �, > �, .\ � , " issuance of a Land Disturbance Permit, anew RLD shall be LOT AREAS: LOT 13 1,415 SF LOT 20 1, 701 SF ,, , ;�.4�y _ << t " _:, t. � de gated. LOT 14 1, 008 SF LOT 21 1, 701 SF � � \ v LOT 22 2 215 SF '� _ LOT 15 1 003 SF � � - -- � , LOT 16 1002 SF LOT 23 2,246 SF , � f � � ✓' '� LOT 17 1' 003 SF LOT 24 1 700 SF I � €`�I r � , � � i /, .,,, I 1tl t , r �'\ �, ,f LOT 18 1,477 SF LOT 25 1,700 SF - � " ' ,(,,i' � �t, ; , ; ' � LEGEND LOT 19 2,167 SF LOT 26 2,242 SF / 1;- 1'" - I , - ,��; ,,, "j's '' " \__ ,�,,,,, / '1z -1, "', , - 0 4:14 11 ! 2 PROPOSED TREE • ACRE EXISTING INTERMEDIbTE CONTOUR � ____ GROSS RESIDENTIAL DENSITY. 20.3 UNIT/ '" � _ ," �' ', 1 ' % ;L� ;' � �,,. �. � .,.. .., ,..,, .�� EXISTING WATERLINE W/ TEE I EXISTIN IN 0 TOUR MAGISTERIAL DISTRICT. WHITE HALL MAGISTERIAL DISTRICT ,. .,. , �. � ... ,: ,. ' ,' =G(� .,: Q r � - ,� r �" :-- � A ;RO PROPOSED DCONTOUR 20 PROPOSED WATERLINE W/ TEE tN -+-- r , r , a STORMWATER MANAGEMENT.• AS DEFINED BY THE OVERALL STORMWATER MASTER PLAN (WP020160009), APPROVED ` ' £ t s �' EXISTING EDGE OF PAVEMENT - ____Ex. EP - EXISTING FIRE HYDRANT �JJ'' 4/25/2016 T PROPOSED FIRE T { - ;�, � ; ; PROPOSED E OF PAVEMEN _..___ __._..__._. CURB AND -___-- HYDRAN ` " � EX C&G y �� EDG �- WATERSHED. LICKINGHOLE CREEK `- EXIST G GU EXIS INC L ,r T WATER VA VE BOUNDARY SOURCE SUBDIVISION PLAT BLOCK 7A OLD TRAIL VILLAGE B 4954 PG , _ °�' � -' __ t, t , -�. �� D CURB AND GUTTE PROPOSED WATER VALV � W , � r r ... .. .....,•: fir,. -'3 __. � PROPOSE SUBDIVISION PLAT BLOCK 7B OLD TRA/L VILLAGE lJB 4954 PG 18 „ SUBDIVISION PLAT BLOCK 7A, PHASE 1 OLD TRA/L VILLAGE DB 5024 PG 429 •"` " `' °� � TRANSITION FROM CSG 6 ROLL TOP _ 0 PROPOSED WATER METER CG ' 111 1 ,,. ,r ,. � ' % � , '- � ." � �',T 'i t .. �EX 15" RCP ,.� -%: ��\' �\ � a',, _....� _ f ;' ISTWG STORM SEWER _ EXISTING REDUCER TOPOGRAPHY.• LOUISA AER/AL SURVEYS, AUGUST 2012 ,' I . , �. �, ", �;.; ,.. , ��- , '' k __15' RCP PROPOSED REDUCER --► W ROUDABUSH GALE do ASSOC. TOPOGRAPHIC FIELD SURVEY FROM JUNE 2015, AUGUST ,' - ' i ` ,- ; . ," ,,, , � ;,,, r , � , PROPOSED STORM SEWER 2015, NOVEMBER 2016 AND JULY 2017. ;� U � - ) - � � � '"' � �/ HANDICAP RAMP CG 1 � , SING SANITARY SEWER _. . _. _ - � � � DENOTES LO ATION OF STD. VDOT2 - -" ` `r ;� � 11 11 1, �;... CG -12 AND�OR JURISDICTIONAL BENCHMARK: TOP OF EXISTING STORM SEWER INLET 219 AT 682.30 PROPOSED SANITARY SEWER KKKAAAAAA _ ._ - - � `' CO ON s STANDARD MP NSTRUCTI DATUM: VERTICAL - NAVD 88, HORIZONTAL - NAD 83 � \' � \�;� PROPERTY LINE PARKING INDICATOR 12 INDICATES THE NUMBER OF TYPICAL PARKING SPACES �, f > ;, \ EASEMENT LINE FLOODPLAIN: TH/S PROJECT /S LOCATED WITH/N 'ZONE X" AS SiHOWN ON FLOOD INSURANCE RATE CENTERLINE BENCHMARK BLOCK 7 'r�'< MAP. COMMUNITY PANEL NUMBER 510003C 0237 D. EFFECTIVE DATE: FEBRUARY 4. �- '`: '�11 , " t. - * \ - - - - ' �' `r' i - ,y , � SLOPESC OL BE SEO D D, MULCHED &TACKED 2005. °, OR GRADING "'� � � "' , PH. 2 T PARKING REQUIRED: 1.5 SPACES FOR EVERY ONE -BEDROOM UNIT PLUS ON�� (1) GUEST SPACE FOR FOUR (4) ' � '� �` ` �' _, EXISTING SPOT ELEVATION +12.0 '- i `, _ f VEHICLES PER DAY COUNT � r VPC UNITS _ _____ , 111.1 W , ,,,,,, "" � � " , i r � N + 12.0 _ _._- _ TIO * + 6 4 = 10.5 PARK/NG SPACES _ i G N 6 1.5 .: PROPOSED SPOT ELEVA ( ) (/) , , l PROPOSED STREET NAME S / � LIMITS OF DEMOLITION �xxxxxxx 1 k TWO (2) PARKING SPACES FOR EVERY UNIT PLUS ONE (1) GUEST SPACE FOR FOUR (4) UNITS � ' ,- LAI IN .� 1 • EXISTING * 8 4 = 18.0 PARK/NG SPACES tt - " STREAM BUFFER �- --��"° 8 2 + � Q�` � , =:. � �; �� PROPOSED I S GN ,�;- �- ( TOTAL REQUIRED = 28.5 SPACES '' '' - " G EXISTING TREE DRIP LINE _.," � SANITARY MANHOLE IDENTIFIER I , PARKING PROVIDED: 1 1 SPACES (6 DRIVEWAY SPACES + 5 ON-STIREET PARKING SPACES) � � � � • � EXISTING TREE _,._., t': EX. 1 �' OAK 32 SPACES (TWO GARAGE SPACES -f- TWO DRIV/SWAY SPACES) ('7 = STORM DRAIN STRUCTURE IDENTIFIER TOTAL PROVIDED = 43 SPACES Z k ' r r ,, PROPOSED IMPERVIOUS AREA: 29, 210 SF � w'u,. 11 - - ) L �`` "" � d PROPOSED TURF AREA: 1, 245 SF ,, ., � .r =ice _ t k < O , , LIGHTING: 1. ALL PROPOSED LIGHT/NG WILL NOT EXCEED 3,000 LUMENS. " • .. `',, `., ', ' ' _Rte , 250,.__. T,Tx � F 2. EACH OUTDOOR LUMINARIES EQUIPPED W/TH �A LAMP THAT EMITS 3,000 OR MORE Z i �� -� - E IN/T/AL LUMENS SHALL BEA FULL CUTOFF LUMINARIES AND SHALL BE ARRANGED �` � � m .:..........-_ � ,...• ..; ,. ,\ / tit , 0 OR SH/ELDED TO REFLECT LIGHT AWAY FROM ADJOIN/NG RESIDENT/AL DISTRICTS � AND FROM ADJACENT ROADS. -I 0. 11 14 " � • OUTDOOR LIGHT/NG SHALL BE ARRANGED OR SHIELDED TO REFLECT LIGHT = - �� - - 3. ALL , AWAY FROM ADJOINING RESIDENTIAL DISTRICTS AN'D AWAY FROM ADJACENT ROADS. ` � � - , "` �tlmmy L• 499art , t NO EVIDENCE OFA BURIAL SITE WAS FOUND ON THIS PORTION OF PARCEL A1. �,.; �- r2s41 VICINITY MAP sIONAL E�6�� NO STREAM BUFFERS) WERE FOUND ON THIS PORTION OF PARCEL A. THIS SITE IS NOT LOCATED WITHIN AN AGRICULTURAL -FORESTAL DISTRICT. SCALE;: 1'=1000 FEET by the Albemarle County THIS SITE IS LOCATED WITHIN THE SOUTH FORK RIVANNA RESERVOIR WATERSHED OFA PUBLIC WATER SUPPLY RESERVOIR. Community D �VeiU�m�nt pep�rimertt Date � � � ir V e \<7 Fife �t��, r?` �:�F� �_� - GENERAL CONSTRUCTION NOTES PLAN NOTES 6. CONTRACTOR SHALL VERIFY ALL DIMENSIONS, ELEVATIONS AND LOCATIONS PRIOR TO BEGINNING WORK, AND 6. ALL WATER METER, VALVES AND FIRE HYDRANT ADJUSTMENTS/RELOCATIONS SHALL BE PERFORMED BY THE ESQ-3: ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE FIRST IMMEDIATELY NOTIFY THE PROJECT MANAGER IN THE EVENT THERE ARE ANY DISCREPANCIES BETWEEN SUCH CONTRACTOR. CONTRACTOR SHALL KEEP A "REDLINE" SET OF PLANS DOCUMENTING ALL SUCH AS -BUILT STEP IN CLEARING. 1. THE OWNER WILL DESIGNATE A PROJECT MANAGER TO ACT AS OWNER'S REPRESENTATIVE DURING THIS CONDITIONS AND THOSE SHOWN ON THE PLANS AND SPECIFICATIONS. PROJECT. CONTRACTOR SHALL REPORT DIRECTLY TO THIS PROJECT MANAGER UNLESS OTHERWISE DIRECTED. REVISIONS. ES -4: A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON THE 2. THE DESIGNER HAS CONDUCTED NO STUDIES DESIGNED TO DISCOVER THE PRESENCE OF ANY HAZARDOUS 7. IN THE EVENT THAT GRADING AS SHOWN ON THE PLANS IS NOT FEASIBLE, CONTRACTOR SHALL ADVISE THE SITE AT ALL TIMES. PROJECT MANAGER AND ENGINEER BEFORE FINAL GRADING COMPLETION FOR ADVICE AND CONSENT. DRAINAGE SYSTEMS ESQ-5: PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE SUBSTANCES ON THIS PROPERTY AND ASSUMES NO RESPONSIBILITY OR LIABILITY RESULTING FROM THE PLANS BUT PRESENCE ON ANY SUCH SUBSTANCE. 1. CONTRACTOR SHALL EXERCISE CARE, ESPECIALLY AT INTERSECTIONS AND GUTTER LINES, TO PROVIDE (INCLUDING, NOT LIMITED TO, OFF-SITE BORROW OR WASTE AREAS), THE CONTRACTOR 3. THE CONTRACTOR SHALL OBTAIN ALL PERMITS REQUIRED FOR THIS WORK AND PAY ALL ASSOCIATED FEES. UTILITES &DRAINAGE SYSTEMS POSITIVE DRAINAGE. ANY AREAS WHERE WATER IS IMPOUNDED SHALL BE CORRECTED BY CONTRACTOR AT NO SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND THIS INCLUDES ALL NECESSARY PERMITS, INSPECTIONS, BONDS, AND OTHER APPROVAL RELATED ITEMS IN ADDITIONAL COST. POSITIVE DRAINAGE OF ALL ROADWAY AREAS TO THE STORM DRAIN INLETS OR OTHER APPROVAL BY THE PLAN REVIEWING AUTHORITY. ACCORDANCE WITH THESE PLANS AS WELL AS LOCAL, STATE, AND FEDERAL POLICIES. UTILITIES ACCEPTABLE DRAINAGE CHANNELS AS NOTED ON THE PLANS IS REQUIRED. ESQ-6: THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION CONTROL 4. PAVED OR RIP RAP DITCH MAY BE REQUIRED WHEN, IN THE OPINION OF THE RESIDENT ENGINEER OR HIS 1. ANY DAMAGE TO EXISTING UTILITIES CAUSED BY CONTRACTOR OR ITS SUBCONTRACTORS SHALL BE 2. CONTRACTOR SHALL MAINTAIN EXISTING STREAMS, DITCHES, DRAINAGE STRUCTURES, CULVERTS AND FLOWS MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN DESIGNEE, IT IS DEEMED NECESSARY IN ORDER TO STABILIZE A DRAINAGE CHANNEL. CONTRACTOR'S SOLE RESPONSIBILITY AND REPAIRED AT CONTRACTOR'S EXPENSE. AT ALL TIMES DURING THE WORK. CONTRACTOR SHALL PAY FOR ALL PERSONAL INJURY AND PROPERTY REVIEWING AUTHORITY. DAMAGE WHICH - MAY OCCUR AS A RESULT OF FAILING 0 T MAINTAIN ADEQUATE DRAINAGE. ESQ 7: ALL DISTURBED ARES ARE 0 T DRAIN TO APPROVED SEDIMENT 5. ALL TRAFFIC CONTROL SIGNS SHALL CONFORM WITH THE VIRGINIA MANUAL FOR UNIFORM TRAFFIC CONTROL 2. THESE PLANS DO NOT GUARANTEE THE EXISTENCE, NON-EXISTENCE OR LOCATION OF UTILITIES. T CONTROL MEASURES AT ALL TIMES DEVICES, LATEST EDITION, AND SHALL BE PROVIDED BY THE CONTRACTOR. CONTRACTOR SHALL VERIFY THE EXISTENCE AND LOCATION OR THE NON-EXISTENCE OF UTILITIES. AT LEAST 3. ALL PIPES, DI'S AND OTHER STRUCTURES SHALL BE INSPECTED BY THE PROJECT MANAGER BEFORE BEING DURING LAND DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION HAS 48 HOURS PRIOR TO ANY EXCAVATION OR CONSTRUCTION, CONTRACTOR SHALL NOTIFY MISS UTILITY BACKFILLED OR BURIED. THE PROJECT MANAGER MAY REQUIRE CONTRACTOR, AT NO ADDITIONAL COST, TO BEEN ACHIEVED. STANDARDS FOR THE 6. ALL EXCAVATION FOR UNDERGROUND PIPE INSTALLATION MUST COMPLY WITH OSHA (1-800-552-7001) AND/OR THE RESPECTIVE UTILITY COMPANIES FOR GAS, WATER, SEWER, POWER, PHONE UNCOVER AND RE-COVER SUCH STRUCTURES IF THEY HAVE BEEN BACKFILLED OR BURIED WITHOUT SUCH ES -8: DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED FILTERING DEVICE. CONSTRUCTION INDUSTRY (29 CFR PART 1926). AND CABLE. CONTRACTOR SHALL TIMELY ARRANGE TO HAVE THE VARIOUS UTILITIES LOCATED, AND TO HAVE INSPECTION. ES; -9: THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH 7. ALL MATERIALS AND WORKMANSHIP SHALL CONFORM TO THE VDOT ROAD AND BRIDGE STANDARDS (LATEST THEM REMOVED OR RELOCATED, OR TO DETERMINE THE METHOD OF PROTECTION ACCEPTABLE TO THE 4. ALL CATCH BASINS ENCOMPASSED WITHIN NEW CONSTRUCTION SHALL BE CONVERTED TO DROP INLETS. RUNOFF -PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EDITION) AND THE VDOT ROAD AND BRIDGE SPECIFICATIONS (LATEST EDITION). RESPECTIVE OWNER, IF THE METHOD OF PROTECTION IS NOT OTHERWISE SPECIFIED. CONTRACTOR SHALL 5. REMOVED PIPE SHALL BE THE PROPERTY OF CONTRACTOR UNLESS NEGOTIATED OTHERWISE BEFORE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. 8. CONTRACTOR SHALL PROVIDE NECESSARY REFLECTORS, BARRICADES, TRAFFIC CONTROL DEVICES AND/OR CONDUCT ITS WORK IN THE VICINITY OF EXISTING UTILITIES IN ACCORDANCE WITH THE RESPECTIVE UTILITY'S PROJECT BIDDING; AND IF NOT SALVAGED FOR RE -USE, SHALL BE DISPOSED OF LAWFULLY. FLAG PERSONS TO ENSURE THE SAFETY OF ITS WORKERS AND THE PUBLIC. TRAFFIC CONTROL SHALL BE RULES AND REGULATIONS. ANY COST INCURRED FOR REMOVING, RELOCATING OR PROTECTING UTILITIES 6. ALL STORM SEWER PIPE AND DROP INLETS SHALL BE CLEARED OF DEBRIS AND ERODED MATERIAL PRIOR APPROVALS DONE WITH THE KNOWLEDGE AND PERMISSION FROM THE STREET'S OWNER AND AUTHORITY. SHALL BE BORNE BY CONTRACTOR UNLESS INDICATED OTHERWISE. CONTRACTOR SHALL EXCAVATE TO LOCATE TO FINAL ACCEPTANCE. BURIED UTILITIES FAR ENOUGH IN ADVANCE OF ITS WORK TO ALLOW FOR HORIZONTAL AND. /OR VERTICAL 9. CONTRACTOR SHALL MAINTAIN SAFE AND PASSABLE PUBLIC ACCESS TO PROPERTIES AND THE (PUBLIC ADJUSTMENTS TO ITS WORK AND/OR THE UTILITIES. NO ADJUSTMENT IN COMPENSATION OR SCHEDULE WILL 7. ALL STORM SEWER PIPE JOINTS SHALL BE SEATED AND SEALED IN ACCORDANCE WITH THE MANUFACTURER'S DEPARTMENT OF COMMUNITY DEVELOPMENT RIGHT-OF-WAY DURING CONSTRUCTION. ACCESS FOR EMERGENCY VEHICLES SHALL BE MAINTAINED AT ALL BE ALLOWED FOR DELAYS RESULTING FROM CONTRACTOR'S FAILURE TO CONTACT AND COORDINATE WITH SPECIFICATIONS. TE TIMES. UTILITIES. 8. ALL EXISTING ROOF DRAINS AND OTHER DRAINAGE' CONDUIT BLOCKED OR DISRUPTED FROM THEIR PLANNING /ZONING 3. WHEN THE WORK CROSSES EXISTING UTILITIES, THE EXISTING UTILITIES SHALL BE ADEQUATELY SUPPORTED PRE -CONSTRUCTION DRAINAGE PATTERNS SHALL BE SHORTENED, EXTENDED OR OTHERWISE ROUTED USING EARTHWORK, DRAINAGE, &SITE CONDITIONS AND PROTECTED FROM DAMAGE DUE TO THE WORK. ALL METHODS FOR SUPPORTING AND MAINTAINING THE MATERIALS APPROVED BY THE ENGINEER, AND IN SUCH A WAY THAT THE NEW DRAINAGE PATTERNS ARE ENGINEERING 1. EXCEPT AS OTHERWISE SHOWN ON THE PLANS, ALL CUTS AND FILLS SHALL MATCH EXISTING SLOPES OR EXISTING UTILITIES SHALL BE APPROVED BY THE RESPECTIVE UTILITY COMPANY AND/OR THE ENGINEER. ACCEPTABLE TO ENGINEER AND THE PROJECT MANAGER. BE NO GREATER THAN 2:1. CONTRACTOR SHALL EXERCISE CARE TO INSURE THAT THE GRADE AND ALIGNMENT OF EXISTING UTILITIES INSPECTIONS 2. UNLESS OTHERWISE NOTED ON THE PLANS OR IN THE SPECIFICATIONS, ALL FILL MATERIALS SHALL BE ARE MAINTAINED AND THAT NO JOINTS OR CONNECTIONS ARE DISPLACED. BACKFILL SHALL BE CAREFULLY EROSION CONTROL COMPACTED TO 95% OF THEORETICAL MAXIMUM DENSITY AS DETERMINED BY AASHTO T-99 METHOD A, PLACED AND COMPACTED TO PREVENT FUTURE DAMAGE OR SETTLEMENT TO EXISTING UTILITIES. ANY WITHIN PLUS OR MINUS 2�L 11"A �� % CURVE RADIUS ARC LENGTH CHORD LENGTH CHORID BEARING DELTA ANGLE C 1 1517.50' 205.11' 204.95' S 26°45'26" E 7°44'39" C2 70.00' 103.65' 94.44' S 15'°36' 1 6" W 84°50'20" C3 12.50' 20.05' 17.97' N 76'°01'07" W 91°54'54" C4 1 469.50' 156.35' 155.63' N 20'°31'20" W 19°04'49" C5 1 12.50' 19.84' 17.82' N 34.°28'40" E 90°55' 1 1 " P NOTE. ALTH of Dr OLDHAM DRIVE, FENNEL ROAD AND GREENWELL LANE EAST OF ORION o� '�0 LANE AND ASSOCIATED UTILITY INFRASTRUCTURE HAVE BEEN APPROVED,, BONDED AND ARE CURRENTLY UNDER CONSTRUCTION AND ARE SHOWN J HEREON THIS PLAN AS EXISTING. PLEASE REFER TO OLD TRAIL VILLAGE, '& a BLOCK 7 PHASE 7 ROAD AND UTILITY PLANS FOR MORE INFORMATION. LEGEND Uy L. T ggart Lic. No. 22841 STEEP SLOPES (MANAGED) ol�,SSt ONAL ESCALE 1 "=30' 30 0 30 60 SCALE IN FEET , REVISIONS 03/28/2018 COUNTY COMMENTS DATE JAN. 12, 2018 SCALE 1"=30' CONTOUR INTERVAL 2 FEET k FILE NUMBER 8053 SHEET 2of8 Z J � W �NJ 00 tnWcr z Z OQZJ az -(LU0� =0 > Z Z —� —D 0 0N0QLLI U�U) O00 ug, ZOX ,J W D Q �"- mo6J 0 X (- W 2 U) FILE NUMBER 8053 SHEET 2of8 r 1\ EROSION & SEDIMENT CONTROL LEGEND C E 3.02 o CONSTRUCTION ENTRANCE s F 3.05X X SILT FENCE 3.07 INLET PROTECTION D® 3 pg '•— DIVERSION DIKE ST 3.13 SEDIMENT TRAP QP 3.18 n OUTLET PROTECTION C p 3.20 —► ROCK CHECK DAMS TS 3.31TS TEMPORARY SEEDING PS 3.32 PS PERMANENT SEEDING M U 3.35 mu MULCHING g�M 3.36 BLANKET MATTING F o��AZ,TH OF OLDHAM DRIVE, FENNEL ROAD AND GREENWELL LANE EAST OF ORION / LANE AND ASSOCIATED UTILITY INFRASTRUCTURE HAVE BEEN APPROVED j AND ARE CURRENTLY UNDER CONSTRUCTION AND ARE SHOWN HEREON m �ny L. Thi g g a rt THIS PLAN AS EXISTING. PLEASE REFER TO OLD TRAIL VILLAGE, BLOCK 7 Lic. No. PHASE 1 ROAD AND UTILITY PLANS FOR MORE INFORMATION. �� 22841 www 4, '?ZONAL 10� SCALE 1 "=30' 30 0 30 60 SCALE IN FEET , r � a V w ..W o U N c Q 1 J 2� moi¢ Z U2 a�Lc@ Q J Cc Lu >p J z _V -j 2 N W Q 2t? ¢N O� U y� O y� cr W OCcc UN aW Z4 Q� 0rn w 4 2 a oW REVISIONS 03/28/2018 COUNTY COMMENTS 05/17/2018 COUNTY COMMENTS DATE JAN. 12, 2018 SCALE 1"=30' CONTOUR INTERVAL 2 FEET r Z w � g Q _ w (LN0() Zwcr ICS I— Z QZjLt r" (L= 0 -> J(LU> o Z Z BI=0 OQJ ZYwir< 2 00 O I- Lu UOQ Z.JwC� O m 06 - �0 O cr Lu > FILE NUMBER 8053 SHEET 3of8 D EROSION & SEDIMENT CONTROL LEGEND CONSTRUCTION ENTRANCE S F 3.05 X X SILT FENCE INLET PROTECTION DD 3 09DIVERSION DIKE ppp- ST 3.13 SEDIMENT TRAP QP 3.18 o OUTLET PROTECTION �; p 3.20 —► ROCK CHECK DAMS TS 3.31 TS TEMPORARY SEEDING PS 3.32 PS PERMANENT SEEDING M U 3.35 mu B�IVI 3.36 D C 3.39 DC MULCHING BLANKET MATTING DUST CONTROL AVTx of yrs J' phy L. Tygart Lic. No. 22841 0 sv� .d� s10NAL FN SCALE 1"=30' 30 0 30 60 SCALE IN FEET , REVISIONS 03/28/2018 COUNTY COMMENTS 05/17/2018 COUNTY COMMENTS DATE JAN. 12, 2018 SCALE 1"=30' CONTOUR INTERVAL 2 FEET ' v N a Z W g U Q N CIO, 1C:<-30 V �p U� Q��@, � 0 � � WW OU >O �z z%1 0 rL rr. Oy J J wg g UQ z � � Ow J O 0 � v Tom) ZJ O� co 03 w� U J ZY(1) 0: rX Q. W ca UN Z4 0W a 00 w I--�I LLI O 0it a O W W 0 U) 0 REVISIONS 03/28/2018 COUNTY COMMENTS 05/17/2018 COUNTY COMMENTS DATE JAN. 12, 2018 SCALE 1"=30' CONTOUR INTERVAL 2 FEET FILE NUMBER 8053 SHEET 4of8 N Z W g Q a _ JW � c\I 0 zWcc g a z �.0—> J = CL > 0 I ZJ Z o 0 — U J ZY(1) a 00 LLI (� 0it a 0M06 o JWP J 0 U) 0 °- > W FILE NUMBER 8053 SHEET 4of8 Dr A'\ TndnDn 1\ 4n�z To,",II \ UI n,- 1.1 -J\ r1 L. �. r._ -,\ r'I... _i r -ii - _\ ni__i. � ni____ -� r - _i rii_ - _i r /,- I ' ` v a ..W o U W N � U� Q��ca, Og �W>o OV �z r� �/ 1 O � J f� Q Q U t �w �` _V � O JN W oc JZ N' 0 e W m 4W ZR w O_ 2 a O 6. CHECK DAMS SHALL BE CHECKED FOR SEDIMENT ACCUMULATION AFTER EVERY RUNOFF CHANNEL, PIPE OR STORM SEWER SYSTEM. FOR THOSE SITES WHERE RUNOFF IS DITCHES TO REDUCE THE VELOCITY OF CONCENTRATED FLOWS WHICH WILL HELP. IN THE ESTABLISHMENT OF THE GRASS LINING. AFTER THE UPSLOPE AREA IS STABILIZED, THE PRODUCING STORM EVENT. SEDIMENT SHOULD BE REMOVED WHEN IT REACHES ONE-HALF OF THE ORIGINAL HEIGHT OF THE MEASURE. REGULAR INSPECTIONS SHALL BE MADE TO '��'` DISCHARGED INTO A PIPE OR PIPE SYSTEM, DOWNSTREAM STABILITY ANALYSES AT THE CHECK DAMS MAY BE REMOVED AND PROPERLY DISPOSED IN ACCORDANCE WITH VECSH INSURE THE CENTER OF EACH DAM IS LOWER THAN THE EDGES. EROSION CAUSED BY mr�y L. T�iggart OUTFALL OF THE PIPE OR PIPE SYSTEM SHALL BE PERFORMED REGULATIONS. HIGH FLOWS AROUND THE EDGES OF THE DAM SHOULD BE CORRECTED IMMEDIATELY. ALL STORMWATER RUNOFF IS DIRECTED TO THE UPPER BALLARD POND, WHICH HAS BEEN Lic. No. DESIGNED AND CONSTRUCTED TO RELEASE AT THE PRE -CONSTRUCTION RATE INTO THE 2zsa-1 w4 O��SSIONAL EXISTING CHANNEL WHICH HAS BEEN DEEMED ADEQUATE. PC 90 LL w C43 0 04 co 0 REVISIONS 03/28/2018 COUNTY COMMENTS 05/17/2018 COUNTY COMMENTS DATE JAN. 12, 2018 SCALE CONTOUR INTERVAL W Z �I Q; N J W W 0 C� Q Z' Q Z J J=O- OO.,U� ��ZJ0 �- 0 - Z QW O �I C� V 0 wm Z' � � OWE �' J J Vf m�0 0 W \� FILE NUMBER 8053 SHEET 5of8 EROSION AND SEDIMENT CONTROL MINIMUM STANDARDS B. ADEQUACY OF ALL CHANNELS AND PIPES SHALL BE VERIFIED USING THE VSMP VEGETATIVE PRACTICES 7. THE EARTHEN EMBANKMENTS SHALL BE CHECKED REGULARLY TO ENSURE THAT iT IS 1. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED /°,REAS CHANNEL PROTECTION:CRITERIA. STORMWATER DISCHARGES ARE CLASSIFIED INTO ONE 1. TOPSOILING 8c STOCKPILING (3.30) -TOPSOIL WILL BE STRIPPED FROM AREAS TO BE STRUC1fURALLY SOUND AND HAS NOT BEEN DAMAGED BY EROSION OR CONSTRUCTION WITHIN SEVEN DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. OF THREE TYPES OF CHANNEL. GRADED AND STOCKPILED FOR LATER USE. STOCKPILES ARE TO BE STABILIZED WITH EQUIPNrIENT. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED a. "MANMADE STORMWATER CONVEYANCE SYSTEM" MEANS A PIPE, DITCH, VEGETATED TEMPORARY VEGETATION OR TO HAVE SILT FENCE INSTALLED ALONG THE LOWER AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT FOR LONGER THAN SWALE, OR OTHER STORMWATER CONVEYANCE SYSTEM CONSTRUCTED BY MAN PERIMETER TO PROTECT DOWNSTREAM AREAS. 8. THE STORMWATER MANAGEMENT FACILITIES SHOULD BE CHECKED REGULARLY BY THE 30 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT EXCEPT FOR RESTORED STORMWATER CONVEYANCE SYSTEMS OR, HOMEOWNERS ASSOCIATIONS TO ENSURE THAT THEY ARE STRUCTURALLY SOUND AND HAVE a.a. THE MANMADE STORMWATER CONVEYANCE SYSTEM SHALL CONVEY THE NOT BEEN DAMAGED BY EROSION. DORMANT FOR MORE THAN ONE YEAR. 2. TEMPORARY SEEDING (3.31) -AREAS NOT BROUGHT TO FINAL GRADE FOR A PERIOD OF POST-DEVELOPMENTPEAK FLOW RATE FROM THE TWO-YEAR EVENT WITHOUT CONTRACTOR SHALL ESTABLISH A STABILIZED SITE, AND NOT ALLOW ANY EROSION WITIHIN THE MORE THAN 14 DAYS SHALL BE STABILIZED WITH A TEMPORARY SEED MIXTURE SITE OR ANY SEDIMENT TO EXIT. CAUSING EROSION OF THE SYSTEM DETENTION OF THE STORMWATER OR 9. THE EM�tERGENCY SPILLWAY SHALL BE CHECKED REGULARLY TO ENSURE THAT ITS LINING ACCEPTABLE FOR THAT TIME OF YEAR. CRIMPING, PUNCH ROLLER -TYPE ROLLERS, OR DOWNSTREAM IMPROVEMENTS MAY BE INCORPORATED INTO THE APPROVED IS WELL ESTABLISHED AND EROSION RESISTANT. GRASS SHALL BE KEPT MOWN BELOW A 2. DURING CONSTRUCTION OF THE PROJECT, SOIL STOCKPILES AND BORROW AREAS SHALL LAND -DISTURBING ACTIVITY TO MEET THIS CRITERIA AT THE DISCRETION OF THE TRACK WALKING MAY BE USED TO INCORPORATE STRAW MULCH INTO THE SOIL ON HEIGHT OF 15" AND THE OUTLET SHOULD BE CHECKED FOR CLOGGING. BE STABILIZED OR PROTECTED WITH SEDIMENT TRAPPING MEASURES. THE APPLICAhJT IS STORMWATER PROGRAM ADMINISTRATIVE AUTHORITY. SLOPES !F STRAW IS TO BE USED. RESPONSIBLE FOR THE TEMPORARY PROTECTION AND PERMANENT STABILIZATION 0'F ALL a.b. THE PEAK DISCHARGE REQUIREMENTS FOR CONCENTRATED STORMWATER FLOW 10. THE DAM SECTION SHALL BE KEPT FREE OF SAPLINGS OR TREES.(REFER TO THE SOIL STOCKPILES ON SITE AS WELL AS BORROW AREAS AND SOIL INTENTIONALLY TO NATURAL STORMWATER CONVEYANCE SYSTEMS SHALL BE MET. 3. PERMANENT SEEDING (3.32) -AREAS BROUGHT TO FINAL GRADE OR THOSE TRANSPORTED FROM THE PROJECT SITE. CONSTRUCTION AREAS THAT WILL REMAIN DORMANT FOR YEAR OR MORE SHALL BE ADDITIONAL MAINTENANCE SPECIFICATIONS) TOPSOIL STOCKPILES WILL BE LOCATED ONSITE. EXCESS MATERIAL NOT USED FOR ON SITE STABILIZED WITH A PERMANENT SEED MIXTURE ACCEPTABLE TO THAT TIME OF YEAR. GRADING TO BE HAULED TO AN APPROVED SITE WITH ADEQUATE EROSION CONTROL Q Developed <= I.F. * (Q Pre-Dev * RV Pre-Dev)/RV Developed PREPARE SURFACE WITH APPROVED TREATMENT AND ADDITIVES PRIOR TO APPLYING SEED. 11. ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO ENSURE THAT A GOOD STAND IS PROTECTION. I.F. = 0.8 FOR SITES > 1 ACRE; I.F. = 0.9 FOR SITES <= 1 ACRES MAINTAINED. AREAS SHOULD BE FERTILIZED AND RE -SEEDED AS NEEDED. 3. A PERMANENT VEGETATIVE COVER SHALL BE ESTABLISHED ON DENUDED AREAS NOT UNDER NO CONDITION SHALL Q Developed > Q Pre-Dev 4. MULCH (3.35) - PLANT RESIDUES OR OTHER SUITABLE MATERIALS SHALL BE APPLIED TO OTHERWISE PERMANENTLY STABILIZED. PERMANENT VEGETATION SHALL NOT BE NOR SHALL Q Developed BE REQUIRED TO BE LESS THAN THAT DISTURBED SURFACES TO PREVENT EROSION AND REDUCE OVERLAND FLOW VELOCITIES. STORMWATER MANAGEMENT CONSIDERED ESTABLISHED UNTIL A GROUND COVER IS ACHIEVED THAT, IS UNIFORMi1, Q Forest * RV Pre-Dev)/RV Developed THIS PRACTICE SHOULD BE APPLIED TO ALL SEEDING OPERATIONS, OTHER PLANTER CONTRIBUTIING DRAINAGE AREA FROM BLOCK 7 DEVELOPMENT IS SHOWN WITHIN THE MATURE ENOUGH TO SURVIVE AND WILL INHIBIT EROSION. MATERIALS WHICH DO NOT PROVIDE ADEQUATE SOIL PROTECTION BY THEMSELVES, AND APPROVED DRAINAGE AREA LABELED AS "51 B-2" IN THE APPROVED MASTER PLAN CONTRACTOR SHALL ESTABLISH A VEGETATIVE COVER ON ALL DENUDED AREAS. OR IN ACCORDANCE WITH ANOTHER METHODOLOGY THAT iS DEMONSTRATED BY BARE AREAS WHICH CANNOT BE SEEDED DUE TO THE SEASON BUT WHICH STILL NEED WP02016010009 (FIGURE 8). THIS AREA SERVES AS PART OF THE TOTAL DRAINAGE AREA OF 4. SEDIMENT BASINS AND TRAPS, PERIMETER DIKES, SEDIMENT BARRIERS AND OTHER THE VSMP AUTHORITY TO ACHIEVE EQUIVALENT RESULTS AND IS APPROVED BY PROTECTION TO PREVENT SOIL LOSS. CRIMPING, PUNCH ROLLER -TYPE ROLLERS, OR MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP !N THE BOARD. TRACK WALKING MAY BE USED TO INCORPORATE STRAW MULCH INTO THE SOIL ON 42.54 ACRES THAT IS ULTIMATELY CAPTURED BY THE EXISTING SWM FACILITY L-1 (FIGURE 9). ANY LAND -DISTURBING ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOIPE LAND b. "NATURAL STORMWATER CONVEYANCE SYSTEM" MEANS THE MAIN CHANNEL OFA SLOPES IF STRAW IS TO BE USED. A SHEET HAS BEEN ADDED TO THE PLANS TO SHOW A COMPLIANCE DRAINAGE MAP FOR THE DISTURBANCE TAKES PLACE. NATURAL STREAM AND THE FLOOD -PRONE AREA ADJACENT TO THE MAIN CHANNEL DEVELOPMENT OF BLOCK 7 ALONG WITH THE APPROVED LIMITS OF DRAINAGE FROM WP02016010009. AS NOTED ON FIGURE 10 OF THE MASTER PLAN "WATER QUALITY CONTRACTOR TO ESTABLISH PERIMETER CONTROLS AS SHOWN ON ON THE PHASE 1 EROSION OR, 5. DUST CONTROL (3.39) - DUST CONTROL METHODS MUST BE USED TO REDUCE THE CALCULATIONS ARE CONSISTENT WITH AREA PER APPROVED PLAN" AND "AS -BUILT WATER CONTROL PLANS AS THE FIRST STEP OF CONSTRUCTION. c. "RESTORED STORMWATER CONVEYANCE SYSTEM" MEANS A STORMWATER CONVEYANCE AMOUNT OF AIRBORNE DUST DURING ALL PHASES OF CONSTRUCTION WHERE SOIL IS QUALITY VOLUME SUFFICIENT FOR TREATMENT OF CONTRIBUTING ONSITE AND OFFSITE AREAS". 5. STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, SYSTEM THAT HAS BEEN DESIGNED AND CONSTRUCTED USING NATURAL CHANNEL EXPOSED OR DISTURBED. DIKES AND DIVERSIONS IMMEDIATELY AFTER INSTALLATION. DESIGN CONCEPTS.RESTORED STORMWATER CONVEYANCE SYSTEMS INCLUDE THE POST -DEVELOPMENT CN VALUE OF 83 SHOWN ON THE SHEET WAS OBTAINED FROM THE CONTRACTOR SHALL STABILIZE ALL EARTHEN STRUCTURES IMMEDIATELY AFTER INSTALLATION. MAIN CHANNEL AND THE FLOOD- APPROVED DESIGN CALCULATIONS FROM WP0201400004 (SHEET 12). THE TRACKING LEDGER CONTRACTOR SHALL INSPECT THOSE STABILIZATION AND EROSION CONTROL MEASURES AFTER c.a. THE DEVELOPMENT SHALL BE CONSISTENT, IN COMBINATION WITH OTHER MANAGEMENT STRATEGIES SHEET HAS BEEN UPDATED AND WILL BE INCLUDED IN THE RESUBMITTAL. EACH RAINFALL EVENT. STORMWATER RUNOFF,WITH THE DESIGN PARAMETERS OF THE RESTORED 1. CONSTRUCTION WILL BE SEQUENCED SO THAT GRADING OPERATIONS CAN BEGIN AND END 6. SEDIMENT TRAPS AND SEDIMENT BASINS SHALL BE DESIGNED AND CONSTRUCTED IBASED STORMWATER CONVEYANCE SYSTEM THAT IS FUNCTIONING IN ACCORDANCE WITH AS QUICKLY AS PossIBLE. SEQUENCE OF CONSTRUCTION UPON THE TOTAL DRAINAGE AREA TO BE SERVED BY THE TRAP OR BASIN. THE DESIGN OBJECTIVES. 1. AFTER OBTAINING ALL REQUIRED PERMITS THE CONTRACTOR SHALL COORDINATE A SEDIMENT TRAP IS DESIGNED TO CAPTURE/TREAT THE TOTAL DRAINAGE AREA SERVED BY IT. c.b. THE PEAK DISCHARGE REQUIREMENTS FOR CONCENTRATED STORMWATER FLOW 2. THE CONSTRUCTION ENTRANCE AND PERIMETER EROSION CONTROL MEASURES SUCH AS PRE -CONSTRUCTION MEETING, ALLOWING 72 HOURS FOR ITS COORDINATION. A. THE MINIMUM STORAGE CAPACITY OF A SEDIMENT TRAP SHALL BE 134 CUBIC YARDS TO NATURAL STORMWATER CONVEYANCE SYSTEMS SHALL 8E MET. SEE TREE PROTECTION AND SILT FENCE SHALL BE INSTALLED AS THE FIRST STEP OF 2. CONTRACTOR TO ONLY CLEAR AND GRUB A LIMITED AREA THAT IS ENOUGH TO INSTALL PER ACRE OF DRAINAGE AREA AND THE TRAP SHALL ONLY CONTROL DRAINAGE AREAS 19(B)(1)(b). DISTURBANCE. PERIMETER AND SEDIMENT TRAPPING CONTROL DEVICES. LESS THAN THREE(3.0) ACRES. 3. INSTALL CONSTRUCTION ENTRANCES. B. SURFACE RUNOFF FROM DISTURBED AREAS THAT IS COMPRISED OF FLOW FROM 3. SEDIMENT TRAPPING MEASURES SHALL BE INSTALLED WITH PERIMETER SILT FENCE PRIOR 4. INSTALL PERIMETER CONTROLS: SUCH AS SILT FENCE AND DIVERSION DIKES.. DRAINAGE AREAS GREATER THAN OR EQUAL TO THREE ACRES SHALL BE CONTROLLED EROSION AND SEDIMENT CONTROL NARRATIVE TO ANY GRADING AND SHALL BE SEEDED AND MULCHED IMMEDIATELY FOLLOWING 5. CLEAR AND GRUB REMAINDER OF PROJECT AREA. BY A SEDIMENT BASIN. THE MINIMUM STORAGE CAPACITY OF A SEDIMENT BASIN PRIOR TO CONSTRUCTION INSTALLATION. 6. BEGIN CLEARING, GRUBBING AND FINE GRADING OPERATIONS AS NECESSARY TO ACHIEVE SHALL BE 134 CUBIC YARDS PER ACRE OF DRAINAGE AREA. THE OUTFALL SYSTEM 1. OWNER SHALL POST SURETY BONDS FOR CONSTRUCTION, EROSION & SEDIMENT CONTROL. FINAL GRADES. 4. THE SEDIMENT TRAPS SHALL BE CHECKED FOR SEDIMENT ACCUMULATION AFTER EVERY SHALL, ATA MINIMUM, MAINTAIN THE STRUCTURAL INTEGRITY OF THE BASIN DIURING A 2. CONTRACTOR SHALL OBTAIN PERMITS TO WORK WITHIN STATE RIGHT-OF-WAY (VDOT 7. AFTER SITE HAS REACHED SUBGRADE CONDITIONS, INSTALL UTILITIES, STORM SEWER AND TWENTY-FIVE YEAR STORM OF 24-HOUR DURATION. RUNOFF COEFFICIENTS USED IN LAND -USE PERMIT). BONDING FOR WORK WITHIN THE VDOT RIGHT-OF-WAY MAY BE RUNOFF PRODUCING STORM EVENT. SEDIMENT SHOULD BE REMOVED WHEN IT REACHES BEGIN ROAD CONSTRUCTION. RUNOFF CALCULATIONS SHALL CORRESPOND TO A BARE EARTH CONDITION OR THOSE REQUIRED TO OBTAIN THE PERMIT. ONE-HALF OF THE DESIGN VOLUME OF THE WET STORAGE. 8. SEDIMENT TRAP #1 WILL REMAIN IN PLACE UNTIL THE STORM SEWER SYSTEM IS CONDITIONS EXPECTED TO EXIST WHILE THE SEDIMENT BASIN IS UTILIZED. 3. CONTRACTOR SHALL COORDINATE WITH OWNER TO OBTAIN VSMP PERMITS, AS REQUIRED 5. TEMPORARY SEEDING OR OTHER STABILIZATION METHODS, SUCH AS BASE AGGREGATE WILL EXTENDED IN THE FUTURE. CONTRACTOR SHALL CONSTRUCT DITCH FROM THE END STORM SEDIMENT BASINS ARE NOT USED AS PART OF THE EC MEASURES FOR THIS PROJECT. BY THE STATE DEPARTMENT OF ENVIRONMENTAL QUALITY (DEQ). FOLLOW IMMEDIATELY AFTER REACHING FINAL GRADES. SEWER PIPE TO THE SEDIMENT TRAP. SEDIMENT TRAP #1 WILL NOT BE REMOVED OR 7. CUT AND FILL SLOPES SHALL BE DESIGNED AND CONSTRUCTED IN A MANNER THAT WILL 4. CONTRACTOR SHALL OBTAIN LAND DISTURBANCE PERMIT FROM THE _COUNTY OF ALSEMARLE REPLACED WITH 1 % STABILIZED CHANNEL UNTIL ALL UPSLOPE AREAS ARE STABILIZED. 1 MINIMIZE EROSION. SLOPES THAT ARE FOUND TO BE ERODING EXCESSIVELY WITHIN ONE PRIOR TO BEGINNING CONSTRUCTION. CHANNiEL MAY NOT CONVEY SEDIMENT LADEN RUNOFF TO UPPER BALLARD POND. YEAR OF PERMANENT STABILIZATION SHALL BE PROVIDED WITH ADDITIONAL SLOPE 5. APRE-CONSTRUCTION MEETING WITH THE ENGINEER, THE CERTIFIED LAND DISTURBER, 6. ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO ENSURE THAT A GOOD STAND IS g, PERMAINENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO ALL DENUDED STABILIZING MEASURES UNTIL THE PROBLEM IS CORRECTED. AND THE ENVIRONMENTAL INSPECTOR MAY ALSO BE REQUIRED. ALLOW 72 HOURS FOR MAINTAINED. AREAS SHOULD BE FERTILIZED AND RE -SEEDED AS NEEDED TO ESTABLISH AREAS WITHIN SEVEN 7 DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THIS APPLIES TO ALL DISTURBED AREAS. C COORDINATION AND SCHEDULING OF PRE -CONSTRUCTION MEETING. GROWTH. THE SATE. TEMPORARY (SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN (7) DAYS TO 8. CONCENTRATED RUNOFF SHALL NOT FLOW DOWN CUT OR FILL SLOPES UNLESS ONTAINED 7. THE JOB SUPERINTENDENT SHALL BE RESPONSIBLE FOR THE INSTALLATION AND DENUDIED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT FOR WITHIN AN ADEQUATE TEMPORARY OR PERMANENT CHANNEL, FLUME OR SLOPE Df�AIN PROJECT DESCRIPTION MAINTENANCE OF ALL EROSION AND SEDIMENT CONTROL PRACTICES. LONGEIR THAN THIRTY (30) DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS STRUCTURE. THIS PROJECT WILL CONSIST OF THE CONSTRUCTION OF 14 TOWNHOUSE UNITS AND THE THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. ANY CONCENTRATED RUNOFF WILL BE CONVEYED TO APPROVED EROSION CONTROL RELATED INFRASTRUCTURE. THE LIMITS OF DISTURBANCE INCLUDES APPROXIMATELY 2.1 ACRES. 8. DURING FINE GRADING OPERATIONS, MAINTAIN ALL DIVERSION DITCHES TO THE SEDIMENT 10. AFTER SITE IS STABILIZED AND PERMISSION IS OBTAINED FROM THE EROSION CONTROL MEASURE(S). TRAPS) AND/OR SEDIMENT BASIN(S). THE SEDIMENT TRAPS) AND/OR BASINS) SHALL INSPECTOR, REMOVE SILT FENCING, INLET PROTECTION -AND OTHER EROSION CONTROL 9. WHENEVER WATER SEEPS FROM A SLOPE FACE, ADEQUATE DRAINAGE OR OTHER EXISTING SITE CONDITIONS REMAIN FUNCTIONAL THROUGHOUT INSTALLATION OF THE STORM SEWER INLETS, PIPES, MEASURES. PROTECTION SHALL BE PROVIDED. BLOCK 7 IS CURRENTLY COVERED IN GRASS. SOME PERIMETER CONTROLS ALSO REMAIN FROM AND OUTFALLS. CONTRACTOR SHALL PROVIDE ADEQUATE DRAINAGE OR OTHER PROTECTION IF THIS OCCURS. PREVIOUS CONSTRUCTION PROJECTS. 10. ALL STORM SEWER INLETS THAT ARE INSTALLED DURING CONSTRUCTION SHALL BE 9. AFTER BEING NOTIFIED BY THE EROSION AND SEDIMENT CONTROL ADMINISTRATOR, THE PROTECTED SO THAT SEDIMENT -LADEN WATER CANNOT ENTER THE CONVEYANCE S'YSTEM ADJACENT AREAS TEMPORARY EROSION AND SEDIMENT CONTROLS CAN BE CLEANED UP OR REMOVED, AND WITHOUT FIRST BEING FILTERED OR OTHERWISE TREATED TO REMOVE SEDIMENT. CONTRACTOR TO INSTALL INLET PROTECTION ON ALL STORM SEWER INLETS TO PREVENT TO THE NORTH OF UPPER BALLARD POND; TO THE SOUTH IS BLOCK 7 PHASE 1; TO THE THE SEDIMENT TRAPS CAN BE FILLED iN AND SEEDED, THEREBY REDIRECTING DRAINAGE SEDIMENT FROM ENTERING THE PIPES. EAST IS OLD TRAIL DRIVE AND BLOCK 3; TO THE WEST IS BLOCK 7 PHASE 1. TO THE PERMANENT FACILITIES. 11. BEFORE NEWLY CONSTRUCTED STORM WATER CONVEYANCE CHANNELS OR PIPES A,RE MADE OPERATIONAL, ADEQUATE OUTLET PROTECTION AND ANY REQUIRED TEMPORARY OR OFF-SITE AREAS 10. THE STORMWATER MANAGEMENT FACILITIES SHOULD BE CHECKED REGULARLY BY THE PERMANENT CHANNEL LINING SHALL BE INSTALLED IN BOTH THE CONVEYANCE CHANNEL WORK IN OFF-SITE AREAS IS NOT ANTICIPATED WITH THIS PHASE. HOMEOWNERS ASSOCIATIONS TO ENSURE THAT THEY ARE STRUCTURALLY SOUND AND HAVE AND RECEIVING CHANNEL. NOT SEEN DAMAGED BY EROSION. THE EMERGENCY SPILLWAY SHALL BE CHECKED CONTRACTOR TO INSTALL OUTLET PROTECTION AND ANY TEMPORARY AND/OR PERMANENT SOILS REGULARLY TO ENSURE THAT ITS LINING IS WELL ESTABLISHED AND EROSION RESISTANT. STABILIZATION MEASURES TO THE RECEIVING CHANNEL PRIOR TO THE STORM SEWER SYSTEM 25B -DYKE SILT LOAM (2% TO 7%) GRASS SHALL BE KEPT MOWN BELOW A HEIGHT OF 15" AND THE OUTLET SHOULD BE IS MADE OPERATIONAL. SOIL IS DEEP, GENTLY SLOPING AND WELL -DRAINED, AND IS IN HYDROLOGIC GROUP B. CHECKED FOR CLOGGING. THE DAM SECTION SHALL BE KEPT FREE OF SAPLINGS OR 12. WHEN WORK INA LIVE WATERCOURSE IS PERFORMED, PRECAUTIONS SHALL BE TAKEN TO PERMEABILITY AND WATER CAPACITY ARE MODERATE. SURFACE RUNOFF AND EROSION TREES.(REFER TO THE ADDITIONAL MAINTENANCE SPECIFICATIONS) MINIMIZE ENCROACHMENT, CONTROL SEDIMENT TRANSPORT AND STABILIZE THE WORK AREA HAZARD IS MEDIUM. TO THE GREATEST EXTENT POSSIBLE DURING CONSTRUCTION. NON -ERODIBLE MATERIAL PERMANENT STABILIZATION SHALL BE USED FOR THE CONSTRUCTION OF CAUSEWAYS AND COFFERDAMS. EARTHEN 26C3 -DYKE CLAY LOAM (2% TO 7%, SEVERELY ERODED) ALL AREAS DISTURBED BY CONSTRUCTION SHALL BE STABILIZED WITH STRAW & SEED FILL MAY BE USED FOR THESE STRUCTURES IF ARMORED BY NON -ERODIBLE COVIER SOIL IS DEEP, GENTLY SLOPING AND WELL -DRAINED, AND IS IN HYDROLOGIC GROUP B. IMMEDIATELY FOLLOWING FINISHED GRADE. SEEDING SHALL BE DONE WITH KENTUCKY 31 TALL MATERIALS. PERMEABILITY AND WATER CAPACITY ARE MODERATE. SURFACE RUNOFF IS MEDIUM AND FESCUE IN ACCORDANCE TO STANDARD AND SPECIFICATION 3.32, PERMANENT SEEDING, OF WORK IN A LIVE WATERCOURSE IS NOT PART OF THIS PROJECT. EROSION HAZARD IS MODERATE. THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. ANY FERTILIZER AND LIME 13. WHEN A LIVE WATERCOURSE MUST BE CROSSED BY CONSTRUCTION VEHICLES MORE THAN APPLICATIONS SHALL BE IN ACCORDANCE WITH SOIL TEST RESULTS. ALL SEEDED AREAS WILL TWICE IN ANY SIX-MONTH PERIOD, A TEMPORARY VEHICULAR STREAM CROSSING BE STRAW MULCHED TO PROTECT AGAINST RILL EROSION AND TO PRESERVE SOIL MOISTURE 26C3 -DYKE CLAY LOAM (7% TO 15%, SEVERELY ERODED) CONSTRUCTED OF NON -ERODIBLE MATERIAL SHALL BE PROVIDED. SOIL !S DEEP, STRONGLY SLOPING AND WELL -DRAINED, AND IS IN HYDROLOGIC GROUP B. THAT WILL ENHANCE SEED GERMINATION. CRIMPING, PUNCH ROLLER -TYPE ROLLERS, OR TRACK A LIVE WATERCOURSE WILL NOT BE CROSSED AS PART OF THIS PROJECT. WALKING MAY BE USED TO INCORPORATE STRAW MULCH INTO THE SOIL ON SLOPES IF STRAW 14. ALL APPLICABLE FEDERAL, STATE AND LOCAL REGULATIONS PERTAINING TO WORKING IN OR PERMEABILITY AND WATER CAPACITY ARE MODERATE. SURFACE RUNOFF IS RAPID AND CROSSING LIVE WATERCOURSES SHALL BE MET. EROSION HAZARD IS SEVERE. IS TO 8E USED. WORKING IN OR CROSSING A LIVE WATERCOURSE IS NOT PART OF THIS PROJECT. EROSION CONTROL MAINTENANCE 15. THE BED AND BANKS OF A WATERCOURSE SHALL BE STABILIZED IMMEDIATELY AFTER 37D3 - HAYESVILLE CLAY LOAM (15% TO 25%, SEVERELY ERODED) WORK IN THE WATERCOURSE IS COMPLETED. SOIL IS DEEP, MODERATELY STEEP AND WELL -DRAINED, AND IS IN HYDROLOGIC GROUP B. 1. IN GENERAL, ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE CHECKED DAILY WORK ON THE BED AND BANKS OF A WATERCOURSE IS NOT PART OF THIS PROJECT. PERMEABILITY AND WATER CAPACITY ARE MODERATE. SURFACE RUNOFF IS RAPID AND AND AFTER EACH SIGNIFICANT RAINFALL. THE FOLLOWING ITEMS WILL BE CHECKED IN 16. UNDERGROUND UTILITY LINES SHALL BE INSTALLED IN ACCORDANCE WITH THE FOLLOWING EROSION HAZARD ARE SEVERE. PARTICULAR: STANDARDS IN ADDITION TO OTHER APPLICABLE CRITERIA: 2. THE CONSTRUCTION ENTRANCE SHALL BE CHECKED DAILY FOR SOIL SUlLDUP. IF THE A. NO MORE THAN 500 LINEAR FEET OF TRENCH MAY BE OPENED AT ONE TIME.. ENTRANCE BECOMES CLOGGED WITH SOIL AND FAILS TO PREVENT TRANSPORTATION OF B. EXCAVATED MATERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES. STRUCTURAL PRACTICES SOIL ONTO THE ROADWAY, ADDITIONAL STONE, REPLACEMENT OF STONE, OR A C. EFFLUENT FROM DEWATERING OPERATIONS SHALL BE FILTERED OR PASSED THIROUGH 1. TEMPORARY CONSTRUCTION ENTRANCE (3.02) - A TEMPORARY CONSTRUCTION ENTRANCE WASH -RACK MAY BE REQUIRED. AN APPROVED SEDIMENT TRAPPING DEVICE, OR BOTH, AND DISCHARGED INA MANNER AND WASH RACK SHALL BE INSTALLED AT THE SITE ENTRANCE AS SHOWN ON THE THAT DOES NOT ADVERSELY AFFECT FLOWING STREAMS OR OFF-SITE PROPERT(. EROSION AND SEDIMENT CONTROL PLAN. THE WASHRACK WILL DRAIN TO AN APPROVED 3. SILT FENCE SHALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND AT LEAST DAILY D. MATERIAL USED FOR BACK FILLING TRENCHES SHALL BE PROPERLY COMPACTED IN SEDIMENT TRAPPING DEVICE. ORDER TO MINIMIZE EROSION AND PROMOTE STABILIZATION. DURING PROLONGED RAINFALL. CLOSE ATTENTION SHALL BE PAID TO THE REPAIR OF E. RESTABILIZATION SHALL BE ACCOMPLISHED IN ACCORDANCE WITH THESE REGUILATIONS. DAMAGED SILT FENCE RESULTING FROM END RUNS AND UNDERCUTTING. SHOULD THE 2. ROAD STABILIZATION (3.03) -ACCESS ROADS, PARKING AREAS, AND OTHER ON-SITE FABRIC ON A SILT FENCE DECOMPOSE OR BECOME INEFFECTIVE PRIOR TO THE END OF F. APPLICABLE SAFETY REGULATIONS SHALL BE COMPLIED WITH. VEHICLE TRANSPORTATION ROUTES SHALL BE STABILIZED WITH STONE IMMEDIATELY AFTER THE EXPECTED USABLE LIFE AND THE BARRIER STILL BE NECESSARY, THE FABRIC SHALL THIS APPLIES TO ALL UTILITY INSTALLATION OPERATIONS INCLUDING WATER, SEWER, POWER, GRADING. BE REPLACED PROMPTLY. SEDIMENT DEPOSITS SHOULD BE REMOVED AFTER EACH STORM CABLE OR GAS. EVENT. SEDIMENT DEPOSITS MUST BE REMOVED WHEN DEPOSITS REACH APPROXIMATELY 17. WHERE CONSTRUCTION VEHICLE ACCESS ROUTES INTERSECT PAVED OR PUBLIC ROADS, 3. SILT FENCE BARRIER (3.05) - SILT FENCE BARRIERS WILL BE INSTALLED TO FILTER ONE-HALF THE HEIGHT OF THE BARRIER. ANY SEDIMENT DEPOSITS REMAINING IN PLACE PROVISIONS SHALL BE MADE TO MINIMIZE THE TRANSPORT OF SEDIMENT BY VEHICULAR RUNOFF FROM SHEET FLOW AS SHOWN ON THE EROSION AND SEDIMENT CONTROL PLAN. AFTER THE SILT FENCE IS NO LONGER REQUIRED SHALL BE DRESSED TO CONFORM WITH TRACKING ONTO THE PAVED SURFACE. WHERE SEDIMENT IS TRANSPORTED ONTO A PAVED OR PUBLIC ROAD SURFACE, THE ROAD SURFACE SHALL BE CLEANED THOROUGHLY AT THE THE EXISTING GRADE, PREPARED, AND SEEDED. 4. INLET PROTECTION - INLET PROTECTION WILL BE INSTALLED AT ALL PROPOSED END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY SHOVELING OR (3.07) 4. DIVERSION DIKES SHALL BE INSPECTED AFTER EVERY STORM AND REPAIRS MADE TO THE SWEEPING AND TRANSPORTED TO A SEDIMENT CONTROL DISPOSAL AREA. STREET STORM DRAIN INLETS INSTALLED PRIOR TO FINAL STABILIZATION OF THE SITE. WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER. DIKE, FLOW CHANNEL, OUTLET, OR SEDIMENT TRAPPING FACILITY AS NECESSARY. ONCE CONTRACTOR SHALL MAKE PROVISIONS TO KEEP ADJACENT ROADS CLEAN FROM SOIL 5. TEMPORARY DIVERSION DIKES (3.09) - A SYSTEM OF DIVERSION DIKES TO DIRECT FLOW EVERY TWO WEEKS, WHETHER A STORM EVENT HAS OCCURRED OR NOT, THE MEASURE INTO THE SEDIMENT TRAP. WILL BE INSTALLED AS SHOWN ON THE EROSION AND SHALL BE INSPECTED AND REPAIRS MADE IF NEEDED. DAMAGES CAUSED BY BUILD-UP. 18. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN SEDIMENT CONTROL PLAN. CONSTRUCTION TRAFFIC OR OTHER ACTIVITY MUST BE REPAIRED BEFORE THE END OF 30 DAYS AFTER FINAL SITE STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO EACH WORKING DAY. LONGER NEEDED, UNLESS OTHERWISE AUTHORIZED BY THE LOCAL PROGRAM AUTHORITY. 6. TEMPORARY SEDIMENT TRAP (3.13) - A TEMPORARY SEDIMENT TRAP IS TO BE 5. STORMWATER CONVEYANCE CHANNELS: TRAPPED SEDIMENT AND THE DISTURBED SOIL AREAS RESULTING FROM THE DISPOSITION CONSTRUCTED IN CONJUNCTION WITH CULVERT INLET PROTECTION. CALCULATIONS FOR THE 5.1. GRASS LINED CHANNELS - DURING THE INITIAL ESTABLISHMENT, GRASS LINED CHANNELS OF TEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER SEDIMENT TRAP ARE SHOWN WITH THE EROSION AND SEDIMENT CONTROL DETAILS. SHOULD BE REPAIRED IMMEDIATELY AND RE-ESTABLISHED IF NECESSARY. AFTER GRASS EROSION AND SEDIMENTATION. HAS BECOME ESTABLISHED, THE CHANNEL SHOULD BE CHECKED PERIODICALLY TO CONTRACTOR SHALL STABILIZE SITE, AND OBTAIN INSPECTOR APPROVAL PRIOR TO REMOVING 7. STORMWATER CONVEYANCE CHANNEL (3.17) - A SERIES OF CHANNELS SHALL BE DETERMINE IF THE GRASS IS WITHSTANDING FLOW VELOCITIES WITHOUT DAMAGE. IF THE ANY EROSION CONTROL MEASURES. CONSTRUCTED TO PROVIDE FOR THE CONVEYANCE OF CONCENTRATED RUNOFF TOA CHANNEL IS TO BE MOWED, IT SHOULD BE DONE IN A MANNER THAT IT WILL NOT 19. PROPERTIES AND WATERWAYS DOWNSTREAM FROM DEVELOPMENT SITES SHALL BE RECEIVING CHANNEL WITHOUT DAMAGE FROM EROSION. TYPICAL DITCH SECTIONS & DAMAGE THE GRASS. PROTECTED FROM SEDIMENT DEPOSITION, EROSION AND DAMAGE DUE TO INCREASES IN CALCULATIONS ARE SHOWN ON THE PLAN. 5.2. RIPRAP-LINED CHANNELS - RIPRAP LINED CHANNELS SHOULD BE CHECKED PERIODICALLY VOLUME, VELOCITY AND PEAK FLOW RATE OF STORM WATER RUNOFF FOR THE STATED TO ENSURE THE SCOUR IS NOT OCCURRING BENEATH FABRIC UNDERLINING OF THE FREQUENCY STORM OF 24-HOUR DURATION IN ACCORDANCE WITH THE FOLLOWING g. OUTLET PROTECTION (3.18) - OUTLET PROTECTION WILL BE INSTALLED AT THE END OF RIPRAP LAYER. THE CHANNEL SHOULD ALSO BE CHECKED TO DETERMINE THE STONES STANDARDS AND CRITERIA: ALL STORM SEWER PIPES. CALCULATIONS FOR THE OUTLET PROTECTION ARE SHOWN WITH THE DOWNSTREAM PROPERTIES AND WATERWAYS ARE PROTECTED FROM INCREASES IN STORM THE EROSION- AND SEDIMENT CONTROL DETAILS. THE RIPRAP SHOULD BE CHECKED ARE NOT DISLODGED BY LARGE FLOWS. RUNOFF BY THE WATER QUANTITY PROTECTION OF UPPER BALLARD POND, RETENTION BASIN II PERIODICALLY TO ENSURE SCOURING IS NOT OCCURRING BENEATH FABRIC UNDERLINING 5.3.1E SEDIMENT IS DEPOSITED IN A GRASS -LINED CHANNEL, IT SHOULD BE REMOVED FACILITY L-1 AS DESCRIBED IN THE STORMWATER MASTER PLAN FOR OLD TRAIL VILLAGE PROMPTLY TO PREVENT DAMAGE TO THE GRASS. SEDIMENT DEPOSITED IN A RIPRAP �Z,TH OF OF THE RIPRAP LAYER. CHANNEL SHOULD BE REMOVED WHEN IT REDUCES THE CAPACITY OF THE CHANNEL. APPROVED APRIL 25, 2016. o� fP A. CONCENTRATED STORM WATER RUNOFF LEAVING A DEVELOPMENT SITE SHALL BE g, CHECK DAM - ROCK CHECK DAMS WILL BE INSTALLED IN THE PROPOSED �'r' DISCHARGED DIRECTLY INTO AN ADEQUATE NATURAL OR MAN-MADE RECEIVING (3.20) ' ` v a ..W o U W N � U� Q��ca, Og �W>o OV �z r� �/ 1 O � J f� Q Q U t �w �` _V � O JN W oc JZ N' 0 e W m 4W ZR w O_ 2 a O PC 90 LL w C43 0 04 co 0 REVISIONS 03/28/2018 COUNTY COMMENTS 05/17/2018 COUNTY COMMENTS DATE JAN. 12, 2018 SCALE CONTOUR INTERVAL W Z �I Q; N J W W 0 C� Q Z' Q Z J J=O- OO.,U� ��ZJ0 �- 0 - Z QW O �I C� V 0 wm Z' � � OWE �' J J Vf m�0 0 W \� FILE NUMBER 8053 SHEET 5of8 EROSION AND SEDIMENT CONTROL MINIMUM STANDARDS B. ADEQUACY OF ALL CHANNELS AND PIPES SHALL BE VERIFIED USING THE VSMP VEGETATIVE PRACTICES 7. THE EARTHEN EMBANKMENTS SHALL BE CHECKED REGULARLY TO ENSURE THAT iT IS 1. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED /°,REAS CHANNEL PROTECTION:CRITERIA. STORMWATER DISCHARGES ARE CLASSIFIED INTO ONE 1. TOPSOILING 8c STOCKPILING (3.30) -TOPSOIL WILL BE STRIPPED FROM AREAS TO BE STRUC1fURALLY SOUND AND HAS NOT BEEN DAMAGED BY EROSION OR CONSTRUCTION WITHIN SEVEN DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. OF THREE TYPES OF CHANNEL. GRADED AND STOCKPILED FOR LATER USE. STOCKPILES ARE TO BE STABILIZED WITH EQUIPNrIENT. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED a. "MANMADE STORMWATER CONVEYANCE SYSTEM" MEANS A PIPE, DITCH, VEGETATED TEMPORARY VEGETATION OR TO HAVE SILT FENCE INSTALLED ALONG THE LOWER AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT FOR LONGER THAN SWALE, OR OTHER STORMWATER CONVEYANCE SYSTEM CONSTRUCTED BY MAN PERIMETER TO PROTECT DOWNSTREAM AREAS. 8. THE STORMWATER MANAGEMENT FACILITIES SHOULD BE CHECKED REGULARLY BY THE 30 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT EXCEPT FOR RESTORED STORMWATER CONVEYANCE SYSTEMS OR, HOMEOWNERS ASSOCIATIONS TO ENSURE THAT THEY ARE STRUCTURALLY SOUND AND HAVE a.a. THE MANMADE STORMWATER CONVEYANCE SYSTEM SHALL CONVEY THE NOT BEEN DAMAGED BY EROSION. DORMANT FOR MORE THAN ONE YEAR. 2. TEMPORARY SEEDING (3.31) -AREAS NOT BROUGHT TO FINAL GRADE FOR A PERIOD OF POST-DEVELOPMENTPEAK FLOW RATE FROM THE TWO-YEAR EVENT WITHOUT CONTRACTOR SHALL ESTABLISH A STABILIZED SITE, AND NOT ALLOW ANY EROSION WITIHIN THE MORE THAN 14 DAYS SHALL BE STABILIZED WITH A TEMPORARY SEED MIXTURE SITE OR ANY SEDIMENT TO EXIT. CAUSING EROSION OF THE SYSTEM DETENTION OF THE STORMWATER OR 9. THE EM�tERGENCY SPILLWAY SHALL BE CHECKED REGULARLY TO ENSURE THAT ITS LINING ACCEPTABLE FOR THAT TIME OF YEAR. CRIMPING, PUNCH ROLLER -TYPE ROLLERS, OR DOWNSTREAM IMPROVEMENTS MAY BE INCORPORATED INTO THE APPROVED IS WELL ESTABLISHED AND EROSION RESISTANT. GRASS SHALL BE KEPT MOWN BELOW A 2. DURING CONSTRUCTION OF THE PROJECT, SOIL STOCKPILES AND BORROW AREAS SHALL LAND -DISTURBING ACTIVITY TO MEET THIS CRITERIA AT THE DISCRETION OF THE TRACK WALKING MAY BE USED TO INCORPORATE STRAW MULCH INTO THE SOIL ON HEIGHT OF 15" AND THE OUTLET SHOULD BE CHECKED FOR CLOGGING. BE STABILIZED OR PROTECTED WITH SEDIMENT TRAPPING MEASURES. THE APPLICAhJT IS STORMWATER PROGRAM ADMINISTRATIVE AUTHORITY. SLOPES !F STRAW IS TO BE USED. RESPONSIBLE FOR THE TEMPORARY PROTECTION AND PERMANENT STABILIZATION 0'F ALL a.b. THE PEAK DISCHARGE REQUIREMENTS FOR CONCENTRATED STORMWATER FLOW 10. THE DAM SECTION SHALL BE KEPT FREE OF SAPLINGS OR TREES.(REFER TO THE SOIL STOCKPILES ON SITE AS WELL AS BORROW AREAS AND SOIL INTENTIONALLY TO NATURAL STORMWATER CONVEYANCE SYSTEMS SHALL BE MET. 3. PERMANENT SEEDING (3.32) -AREAS BROUGHT TO FINAL GRADE OR THOSE TRANSPORTED FROM THE PROJECT SITE. CONSTRUCTION AREAS THAT WILL REMAIN DORMANT FOR YEAR OR MORE SHALL BE ADDITIONAL MAINTENANCE SPECIFICATIONS) TOPSOIL STOCKPILES WILL BE LOCATED ONSITE. EXCESS MATERIAL NOT USED FOR ON SITE STABILIZED WITH A PERMANENT SEED MIXTURE ACCEPTABLE TO THAT TIME OF YEAR. GRADING TO BE HAULED TO AN APPROVED SITE WITH ADEQUATE EROSION CONTROL Q Developed <= I.F. * (Q Pre-Dev * RV Pre-Dev)/RV Developed PREPARE SURFACE WITH APPROVED TREATMENT AND ADDITIVES PRIOR TO APPLYING SEED. 11. ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO ENSURE THAT A GOOD STAND IS PROTECTION. I.F. = 0.8 FOR SITES > 1 ACRE; I.F. = 0.9 FOR SITES <= 1 ACRES MAINTAINED. AREAS SHOULD BE FERTILIZED AND RE -SEEDED AS NEEDED. 3. A PERMANENT VEGETATIVE COVER SHALL BE ESTABLISHED ON DENUDED AREAS NOT UNDER NO CONDITION SHALL Q Developed > Q Pre-Dev 4. MULCH (3.35) - PLANT RESIDUES OR OTHER SUITABLE MATERIALS SHALL BE APPLIED TO OTHERWISE PERMANENTLY STABILIZED. PERMANENT VEGETATION SHALL NOT BE NOR SHALL Q Developed BE REQUIRED TO BE LESS THAN THAT DISTURBED SURFACES TO PREVENT EROSION AND REDUCE OVERLAND FLOW VELOCITIES. STORMWATER MANAGEMENT CONSIDERED ESTABLISHED UNTIL A GROUND COVER IS ACHIEVED THAT, IS UNIFORMi1, Q Forest * RV Pre-Dev)/RV Developed THIS PRACTICE SHOULD BE APPLIED TO ALL SEEDING OPERATIONS, OTHER PLANTER CONTRIBUTIING DRAINAGE AREA FROM BLOCK 7 DEVELOPMENT IS SHOWN WITHIN THE MATURE ENOUGH TO SURVIVE AND WILL INHIBIT EROSION. MATERIALS WHICH DO NOT PROVIDE ADEQUATE SOIL PROTECTION BY THEMSELVES, AND APPROVED DRAINAGE AREA LABELED AS "51 B-2" IN THE APPROVED MASTER PLAN CONTRACTOR SHALL ESTABLISH A VEGETATIVE COVER ON ALL DENUDED AREAS. OR IN ACCORDANCE WITH ANOTHER METHODOLOGY THAT iS DEMONSTRATED BY BARE AREAS WHICH CANNOT BE SEEDED DUE TO THE SEASON BUT WHICH STILL NEED WP02016010009 (FIGURE 8). THIS AREA SERVES AS PART OF THE TOTAL DRAINAGE AREA OF 4. SEDIMENT BASINS AND TRAPS, PERIMETER DIKES, SEDIMENT BARRIERS AND OTHER THE VSMP AUTHORITY TO ACHIEVE EQUIVALENT RESULTS AND IS APPROVED BY PROTECTION TO PREVENT SOIL LOSS. CRIMPING, PUNCH ROLLER -TYPE ROLLERS, OR MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP !N THE BOARD. TRACK WALKING MAY BE USED TO INCORPORATE STRAW MULCH INTO THE SOIL ON 42.54 ACRES THAT IS ULTIMATELY CAPTURED BY THE EXISTING SWM FACILITY L-1 (FIGURE 9). ANY LAND -DISTURBING ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOIPE LAND b. "NATURAL STORMWATER CONVEYANCE SYSTEM" MEANS THE MAIN CHANNEL OFA SLOPES IF STRAW IS TO BE USED. A SHEET HAS BEEN ADDED TO THE PLANS TO SHOW A COMPLIANCE DRAINAGE MAP FOR THE DISTURBANCE TAKES PLACE. NATURAL STREAM AND THE FLOOD -PRONE AREA ADJACENT TO THE MAIN CHANNEL DEVELOPMENT OF BLOCK 7 ALONG WITH THE APPROVED LIMITS OF DRAINAGE FROM WP02016010009. AS NOTED ON FIGURE 10 OF THE MASTER PLAN "WATER QUALITY CONTRACTOR TO ESTABLISH PERIMETER CONTROLS AS SHOWN ON ON THE PHASE 1 EROSION OR, 5. DUST CONTROL (3.39) - DUST CONTROL METHODS MUST BE USED TO REDUCE THE CALCULATIONS ARE CONSISTENT WITH AREA PER APPROVED PLAN" AND "AS -BUILT WATER CONTROL PLANS AS THE FIRST STEP OF CONSTRUCTION. c. "RESTORED STORMWATER CONVEYANCE SYSTEM" MEANS A STORMWATER CONVEYANCE AMOUNT OF AIRBORNE DUST DURING ALL PHASES OF CONSTRUCTION WHERE SOIL IS QUALITY VOLUME SUFFICIENT FOR TREATMENT OF CONTRIBUTING ONSITE AND OFFSITE AREAS". 5. STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, SYSTEM THAT HAS BEEN DESIGNED AND CONSTRUCTED USING NATURAL CHANNEL EXPOSED OR DISTURBED. DIKES AND DIVERSIONS IMMEDIATELY AFTER INSTALLATION. DESIGN CONCEPTS.RESTORED STORMWATER CONVEYANCE SYSTEMS INCLUDE THE POST -DEVELOPMENT CN VALUE OF 83 SHOWN ON THE SHEET WAS OBTAINED FROM THE CONTRACTOR SHALL STABILIZE ALL EARTHEN STRUCTURES IMMEDIATELY AFTER INSTALLATION. MAIN CHANNEL AND THE FLOOD- APPROVED DESIGN CALCULATIONS FROM WP0201400004 (SHEET 12). THE TRACKING LEDGER CONTRACTOR SHALL INSPECT THOSE STABILIZATION AND EROSION CONTROL MEASURES AFTER c.a. THE DEVELOPMENT SHALL BE CONSISTENT, IN COMBINATION WITH OTHER MANAGEMENT STRATEGIES SHEET HAS BEEN UPDATED AND WILL BE INCLUDED IN THE RESUBMITTAL. EACH RAINFALL EVENT. STORMWATER RUNOFF,WITH THE DESIGN PARAMETERS OF THE RESTORED 1. CONSTRUCTION WILL BE SEQUENCED SO THAT GRADING OPERATIONS CAN BEGIN AND END 6. SEDIMENT TRAPS AND SEDIMENT BASINS SHALL BE DESIGNED AND CONSTRUCTED IBASED STORMWATER CONVEYANCE SYSTEM THAT IS FUNCTIONING IN ACCORDANCE WITH AS QUICKLY AS PossIBLE. SEQUENCE OF CONSTRUCTION UPON THE TOTAL DRAINAGE AREA TO BE SERVED BY THE TRAP OR BASIN. THE DESIGN OBJECTIVES. 1. AFTER OBTAINING ALL REQUIRED PERMITS THE CONTRACTOR SHALL COORDINATE A SEDIMENT TRAP IS DESIGNED TO CAPTURE/TREAT THE TOTAL DRAINAGE AREA SERVED BY IT. c.b. THE PEAK DISCHARGE REQUIREMENTS FOR CONCENTRATED STORMWATER FLOW 2. THE CONSTRUCTION ENTRANCE AND PERIMETER EROSION CONTROL MEASURES SUCH AS PRE -CONSTRUCTION MEETING, ALLOWING 72 HOURS FOR ITS COORDINATION. A. THE MINIMUM STORAGE CAPACITY OF A SEDIMENT TRAP SHALL BE 134 CUBIC YARDS TO NATURAL STORMWATER CONVEYANCE SYSTEMS SHALL 8E MET. SEE TREE PROTECTION AND SILT FENCE SHALL BE INSTALLED AS THE FIRST STEP OF 2. CONTRACTOR TO ONLY CLEAR AND GRUB A LIMITED AREA THAT IS ENOUGH TO INSTALL PER ACRE OF DRAINAGE AREA AND THE TRAP SHALL ONLY CONTROL DRAINAGE AREAS 19(B)(1)(b). DISTURBANCE. PERIMETER AND SEDIMENT TRAPPING CONTROL DEVICES. LESS THAN THREE(3.0) ACRES. 3. INSTALL CONSTRUCTION ENTRANCES. B. SURFACE RUNOFF FROM DISTURBED AREAS THAT IS COMPRISED OF FLOW FROM 3. SEDIMENT TRAPPING MEASURES SHALL BE INSTALLED WITH PERIMETER SILT FENCE PRIOR 4. INSTALL PERIMETER CONTROLS: SUCH AS SILT FENCE AND DIVERSION DIKES.. DRAINAGE AREAS GREATER THAN OR EQUAL TO THREE ACRES SHALL BE CONTROLLED EROSION AND SEDIMENT CONTROL NARRATIVE TO ANY GRADING AND SHALL BE SEEDED AND MULCHED IMMEDIATELY FOLLOWING 5. CLEAR AND GRUB REMAINDER OF PROJECT AREA. BY A SEDIMENT BASIN. THE MINIMUM STORAGE CAPACITY OF A SEDIMENT BASIN PRIOR TO CONSTRUCTION INSTALLATION. 6. BEGIN CLEARING, GRUBBING AND FINE GRADING OPERATIONS AS NECESSARY TO ACHIEVE SHALL BE 134 CUBIC YARDS PER ACRE OF DRAINAGE AREA. THE OUTFALL SYSTEM 1. OWNER SHALL POST SURETY BONDS FOR CONSTRUCTION, EROSION & SEDIMENT CONTROL. FINAL GRADES. 4. THE SEDIMENT TRAPS SHALL BE CHECKED FOR SEDIMENT ACCUMULATION AFTER EVERY SHALL, ATA MINIMUM, MAINTAIN THE STRUCTURAL INTEGRITY OF THE BASIN DIURING A 2. CONTRACTOR SHALL OBTAIN PERMITS TO WORK WITHIN STATE RIGHT-OF-WAY (VDOT 7. AFTER SITE HAS REACHED SUBGRADE CONDITIONS, INSTALL UTILITIES, STORM SEWER AND TWENTY-FIVE YEAR STORM OF 24-HOUR DURATION. RUNOFF COEFFICIENTS USED IN LAND -USE PERMIT). BONDING FOR WORK WITHIN THE VDOT RIGHT-OF-WAY MAY BE RUNOFF PRODUCING STORM EVENT. SEDIMENT SHOULD BE REMOVED WHEN IT REACHES BEGIN ROAD CONSTRUCTION. RUNOFF CALCULATIONS SHALL CORRESPOND TO A BARE EARTH CONDITION OR THOSE REQUIRED TO OBTAIN THE PERMIT. ONE-HALF OF THE DESIGN VOLUME OF THE WET STORAGE. 8. SEDIMENT TRAP #1 WILL REMAIN IN PLACE UNTIL THE STORM SEWER SYSTEM IS CONDITIONS EXPECTED TO EXIST WHILE THE SEDIMENT BASIN IS UTILIZED. 3. CONTRACTOR SHALL COORDINATE WITH OWNER TO OBTAIN VSMP PERMITS, AS REQUIRED 5. TEMPORARY SEEDING OR OTHER STABILIZATION METHODS, SUCH AS BASE AGGREGATE WILL EXTENDED IN THE FUTURE. CONTRACTOR SHALL CONSTRUCT DITCH FROM THE END STORM SEDIMENT BASINS ARE NOT USED AS PART OF THE EC MEASURES FOR THIS PROJECT. BY THE STATE DEPARTMENT OF ENVIRONMENTAL QUALITY (DEQ). FOLLOW IMMEDIATELY AFTER REACHING FINAL GRADES. SEWER PIPE TO THE SEDIMENT TRAP. SEDIMENT TRAP #1 WILL NOT BE REMOVED OR 7. CUT AND FILL SLOPES SHALL BE DESIGNED AND CONSTRUCTED IN A MANNER THAT WILL 4. CONTRACTOR SHALL OBTAIN LAND DISTURBANCE PERMIT FROM THE _COUNTY OF ALSEMARLE REPLACED WITH 1 % STABILIZED CHANNEL UNTIL ALL UPSLOPE AREAS ARE STABILIZED. 1 MINIMIZE EROSION. SLOPES THAT ARE FOUND TO BE ERODING EXCESSIVELY WITHIN ONE PRIOR TO BEGINNING CONSTRUCTION. CHANNiEL MAY NOT CONVEY SEDIMENT LADEN RUNOFF TO UPPER BALLARD POND. YEAR OF PERMANENT STABILIZATION SHALL BE PROVIDED WITH ADDITIONAL SLOPE 5. APRE-CONSTRUCTION MEETING WITH THE ENGINEER, THE CERTIFIED LAND DISTURBER, 6. ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO ENSURE THAT A GOOD STAND IS g, PERMAINENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO ALL DENUDED STABILIZING MEASURES UNTIL THE PROBLEM IS CORRECTED. AND THE ENVIRONMENTAL INSPECTOR MAY ALSO BE REQUIRED. ALLOW 72 HOURS FOR MAINTAINED. AREAS SHOULD BE FERTILIZED AND RE -SEEDED AS NEEDED TO ESTABLISH AREAS WITHIN SEVEN 7 DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THIS APPLIES TO ALL DISTURBED AREAS. C COORDINATION AND SCHEDULING OF PRE -CONSTRUCTION MEETING. GROWTH. THE SATE. TEMPORARY (SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN (7) DAYS TO 8. CONCENTRATED RUNOFF SHALL NOT FLOW DOWN CUT OR FILL SLOPES UNLESS ONTAINED 7. THE JOB SUPERINTENDENT SHALL BE RESPONSIBLE FOR THE INSTALLATION AND DENUDIED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT FOR WITHIN AN ADEQUATE TEMPORARY OR PERMANENT CHANNEL, FLUME OR SLOPE Df�AIN PROJECT DESCRIPTION MAINTENANCE OF ALL EROSION AND SEDIMENT CONTROL PRACTICES. LONGEIR THAN THIRTY (30) DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS STRUCTURE. THIS PROJECT WILL CONSIST OF THE CONSTRUCTION OF 14 TOWNHOUSE UNITS AND THE THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. ANY CONCENTRATED RUNOFF WILL BE CONVEYED TO APPROVED EROSION CONTROL RELATED INFRASTRUCTURE. THE LIMITS OF DISTURBANCE INCLUDES APPROXIMATELY 2.1 ACRES. 8. DURING FINE GRADING OPERATIONS, MAINTAIN ALL DIVERSION DITCHES TO THE SEDIMENT 10. AFTER SITE IS STABILIZED AND PERMISSION IS OBTAINED FROM THE EROSION CONTROL MEASURE(S). TRAPS) AND/OR SEDIMENT BASIN(S). THE SEDIMENT TRAPS) AND/OR BASINS) SHALL INSPECTOR, REMOVE SILT FENCING, INLET PROTECTION -AND OTHER EROSION CONTROL 9. WHENEVER WATER SEEPS FROM A SLOPE FACE, ADEQUATE DRAINAGE OR OTHER EXISTING SITE CONDITIONS REMAIN FUNCTIONAL THROUGHOUT INSTALLATION OF THE STORM SEWER INLETS, PIPES, MEASURES. PROTECTION SHALL BE PROVIDED. BLOCK 7 IS CURRENTLY COVERED IN GRASS. SOME PERIMETER CONTROLS ALSO REMAIN FROM AND OUTFALLS. CONTRACTOR SHALL PROVIDE ADEQUATE DRAINAGE OR OTHER PROTECTION IF THIS OCCURS. PREVIOUS CONSTRUCTION PROJECTS. 10. ALL STORM SEWER INLETS THAT ARE INSTALLED DURING CONSTRUCTION SHALL BE 9. AFTER BEING NOTIFIED BY THE EROSION AND SEDIMENT CONTROL ADMINISTRATOR, THE PROTECTED SO THAT SEDIMENT -LADEN WATER CANNOT ENTER THE CONVEYANCE S'YSTEM ADJACENT AREAS TEMPORARY EROSION AND SEDIMENT CONTROLS CAN BE CLEANED UP OR REMOVED, AND WITHOUT FIRST BEING FILTERED OR OTHERWISE TREATED TO REMOVE SEDIMENT. CONTRACTOR TO INSTALL INLET PROTECTION ON ALL STORM SEWER INLETS TO PREVENT TO THE NORTH OF UPPER BALLARD POND; TO THE SOUTH IS BLOCK 7 PHASE 1; TO THE THE SEDIMENT TRAPS CAN BE FILLED iN AND SEEDED, THEREBY REDIRECTING DRAINAGE SEDIMENT FROM ENTERING THE PIPES. EAST IS OLD TRAIL DRIVE AND BLOCK 3; TO THE WEST IS BLOCK 7 PHASE 1. TO THE PERMANENT FACILITIES. 11. BEFORE NEWLY CONSTRUCTED STORM WATER CONVEYANCE CHANNELS OR PIPES A,RE MADE OPERATIONAL, ADEQUATE OUTLET PROTECTION AND ANY REQUIRED TEMPORARY OR OFF-SITE AREAS 10. THE STORMWATER MANAGEMENT FACILITIES SHOULD BE CHECKED REGULARLY BY THE PERMANENT CHANNEL LINING SHALL BE INSTALLED IN BOTH THE CONVEYANCE CHANNEL WORK IN OFF-SITE AREAS IS NOT ANTICIPATED WITH THIS PHASE. HOMEOWNERS ASSOCIATIONS TO ENSURE THAT THEY ARE STRUCTURALLY SOUND AND HAVE AND RECEIVING CHANNEL. NOT SEEN DAMAGED BY EROSION. THE EMERGENCY SPILLWAY SHALL BE CHECKED CONTRACTOR TO INSTALL OUTLET PROTECTION AND ANY TEMPORARY AND/OR PERMANENT SOILS REGULARLY TO ENSURE THAT ITS LINING IS WELL ESTABLISHED AND EROSION RESISTANT. STABILIZATION MEASURES TO THE RECEIVING CHANNEL PRIOR TO THE STORM SEWER SYSTEM 25B -DYKE SILT LOAM (2% TO 7%) GRASS SHALL BE KEPT MOWN BELOW A HEIGHT OF 15" AND THE OUTLET SHOULD BE IS MADE OPERATIONAL. SOIL IS DEEP, GENTLY SLOPING AND WELL -DRAINED, AND IS IN HYDROLOGIC GROUP B. CHECKED FOR CLOGGING. THE DAM SECTION SHALL BE KEPT FREE OF SAPLINGS OR 12. WHEN WORK INA LIVE WATERCOURSE IS PERFORMED, PRECAUTIONS SHALL BE TAKEN TO PERMEABILITY AND WATER CAPACITY ARE MODERATE. SURFACE RUNOFF AND EROSION TREES.(REFER TO THE ADDITIONAL MAINTENANCE SPECIFICATIONS) MINIMIZE ENCROACHMENT, CONTROL SEDIMENT TRANSPORT AND STABILIZE THE WORK AREA HAZARD IS MEDIUM. TO THE GREATEST EXTENT POSSIBLE DURING CONSTRUCTION. NON -ERODIBLE MATERIAL PERMANENT STABILIZATION SHALL BE USED FOR THE CONSTRUCTION OF CAUSEWAYS AND COFFERDAMS. EARTHEN 26C3 -DYKE CLAY LOAM (2% TO 7%, SEVERELY ERODED) ALL AREAS DISTURBED BY CONSTRUCTION SHALL BE STABILIZED WITH STRAW & SEED FILL MAY BE USED FOR THESE STRUCTURES IF ARMORED BY NON -ERODIBLE COVIER SOIL IS DEEP, GENTLY SLOPING AND WELL -DRAINED, AND IS IN HYDROLOGIC GROUP B. IMMEDIATELY FOLLOWING FINISHED GRADE. SEEDING SHALL BE DONE WITH KENTUCKY 31 TALL MATERIALS. PERMEABILITY AND WATER CAPACITY ARE MODERATE. SURFACE RUNOFF IS MEDIUM AND FESCUE IN ACCORDANCE TO STANDARD AND SPECIFICATION 3.32, PERMANENT SEEDING, OF WORK IN A LIVE WATERCOURSE IS NOT PART OF THIS PROJECT. EROSION HAZARD IS MODERATE. THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. ANY FERTILIZER AND LIME 13. WHEN A LIVE WATERCOURSE MUST BE CROSSED BY CONSTRUCTION VEHICLES MORE THAN APPLICATIONS SHALL BE IN ACCORDANCE WITH SOIL TEST RESULTS. ALL SEEDED AREAS WILL TWICE IN ANY SIX-MONTH PERIOD, A TEMPORARY VEHICULAR STREAM CROSSING BE STRAW MULCHED TO PROTECT AGAINST RILL EROSION AND TO PRESERVE SOIL MOISTURE 26C3 -DYKE CLAY LOAM (7% TO 15%, SEVERELY ERODED) CONSTRUCTED OF NON -ERODIBLE MATERIAL SHALL BE PROVIDED. SOIL !S DEEP, STRONGLY SLOPING AND WELL -DRAINED, AND IS IN HYDROLOGIC GROUP B. THAT WILL ENHANCE SEED GERMINATION. CRIMPING, PUNCH ROLLER -TYPE ROLLERS, OR TRACK A LIVE WATERCOURSE WILL NOT BE CROSSED AS PART OF THIS PROJECT. WALKING MAY BE USED TO INCORPORATE STRAW MULCH INTO THE SOIL ON SLOPES IF STRAW 14. ALL APPLICABLE FEDERAL, STATE AND LOCAL REGULATIONS PERTAINING TO WORKING IN OR PERMEABILITY AND WATER CAPACITY ARE MODERATE. SURFACE RUNOFF IS RAPID AND CROSSING LIVE WATERCOURSES SHALL BE MET. EROSION HAZARD IS SEVERE. IS TO 8E USED. WORKING IN OR CROSSING A LIVE WATERCOURSE IS NOT PART OF THIS PROJECT. EROSION CONTROL MAINTENANCE 15. THE BED AND BANKS OF A WATERCOURSE SHALL BE STABILIZED IMMEDIATELY AFTER 37D3 - HAYESVILLE CLAY LOAM (15% TO 25%, SEVERELY ERODED) WORK IN THE WATERCOURSE IS COMPLETED. SOIL IS DEEP, MODERATELY STEEP AND WELL -DRAINED, AND IS IN HYDROLOGIC GROUP B. 1. IN GENERAL, ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE CHECKED DAILY WORK ON THE BED AND BANKS OF A WATERCOURSE IS NOT PART OF THIS PROJECT. PERMEABILITY AND WATER CAPACITY ARE MODERATE. SURFACE RUNOFF IS RAPID AND AND AFTER EACH SIGNIFICANT RAINFALL. THE FOLLOWING ITEMS WILL BE CHECKED IN 16. UNDERGROUND UTILITY LINES SHALL BE INSTALLED IN ACCORDANCE WITH THE FOLLOWING EROSION HAZARD ARE SEVERE. PARTICULAR: STANDARDS IN ADDITION TO OTHER APPLICABLE CRITERIA: 2. THE CONSTRUCTION ENTRANCE SHALL BE CHECKED DAILY FOR SOIL SUlLDUP. IF THE A. NO MORE THAN 500 LINEAR FEET OF TRENCH MAY BE OPENED AT ONE TIME.. ENTRANCE BECOMES CLOGGED WITH SOIL AND FAILS TO PREVENT TRANSPORTATION OF B. EXCAVATED MATERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES. STRUCTURAL PRACTICES SOIL ONTO THE ROADWAY, ADDITIONAL STONE, REPLACEMENT OF STONE, OR A C. EFFLUENT FROM DEWATERING OPERATIONS SHALL BE FILTERED OR PASSED THIROUGH 1. TEMPORARY CONSTRUCTION ENTRANCE (3.02) - A TEMPORARY CONSTRUCTION ENTRANCE WASH -RACK MAY BE REQUIRED. AN APPROVED SEDIMENT TRAPPING DEVICE, OR BOTH, AND DISCHARGED INA MANNER AND WASH RACK SHALL BE INSTALLED AT THE SITE ENTRANCE AS SHOWN ON THE THAT DOES NOT ADVERSELY AFFECT FLOWING STREAMS OR OFF-SITE PROPERT(. EROSION AND SEDIMENT CONTROL PLAN. THE WASHRACK WILL DRAIN TO AN APPROVED 3. SILT FENCE SHALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND AT LEAST DAILY D. MATERIAL USED FOR BACK FILLING TRENCHES SHALL BE PROPERLY COMPACTED IN SEDIMENT TRAPPING DEVICE. ORDER TO MINIMIZE EROSION AND PROMOTE STABILIZATION. DURING PROLONGED RAINFALL. CLOSE ATTENTION SHALL BE PAID TO THE REPAIR OF E. RESTABILIZATION SHALL BE ACCOMPLISHED IN ACCORDANCE WITH THESE REGUILATIONS. DAMAGED SILT FENCE RESULTING FROM END RUNS AND UNDERCUTTING. SHOULD THE 2. ROAD STABILIZATION (3.03) -ACCESS ROADS, PARKING AREAS, AND OTHER ON-SITE FABRIC ON A SILT FENCE DECOMPOSE OR BECOME INEFFECTIVE PRIOR TO THE END OF F. APPLICABLE SAFETY REGULATIONS SHALL BE COMPLIED WITH. VEHICLE TRANSPORTATION ROUTES SHALL BE STABILIZED WITH STONE IMMEDIATELY AFTER THE EXPECTED USABLE LIFE AND THE BARRIER STILL BE NECESSARY, THE FABRIC SHALL THIS APPLIES TO ALL UTILITY INSTALLATION OPERATIONS INCLUDING WATER, SEWER, POWER, GRADING. BE REPLACED PROMPTLY. SEDIMENT DEPOSITS SHOULD BE REMOVED AFTER EACH STORM CABLE OR GAS. EVENT. SEDIMENT DEPOSITS MUST BE REMOVED WHEN DEPOSITS REACH APPROXIMATELY 17. WHERE CONSTRUCTION VEHICLE ACCESS ROUTES INTERSECT PAVED OR PUBLIC ROADS, 3. SILT FENCE BARRIER (3.05) - SILT FENCE BARRIERS WILL BE INSTALLED TO FILTER ONE-HALF THE HEIGHT OF THE BARRIER. ANY SEDIMENT DEPOSITS REMAINING IN PLACE PROVISIONS SHALL BE MADE TO MINIMIZE THE TRANSPORT OF SEDIMENT BY VEHICULAR RUNOFF FROM SHEET FLOW AS SHOWN ON THE EROSION AND SEDIMENT CONTROL PLAN. AFTER THE SILT FENCE IS NO LONGER REQUIRED SHALL BE DRESSED TO CONFORM WITH TRACKING ONTO THE PAVED SURFACE. WHERE SEDIMENT IS TRANSPORTED ONTO A PAVED OR PUBLIC ROAD SURFACE, THE ROAD SURFACE SHALL BE CLEANED THOROUGHLY AT THE THE EXISTING GRADE, PREPARED, AND SEEDED. 4. INLET PROTECTION - INLET PROTECTION WILL BE INSTALLED AT ALL PROPOSED END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY SHOVELING OR (3.07) 4. DIVERSION DIKES SHALL BE INSPECTED AFTER EVERY STORM AND REPAIRS MADE TO THE SWEEPING AND TRANSPORTED TO A SEDIMENT CONTROL DISPOSAL AREA. STREET STORM DRAIN INLETS INSTALLED PRIOR TO FINAL STABILIZATION OF THE SITE. WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER. DIKE, FLOW CHANNEL, OUTLET, OR SEDIMENT TRAPPING FACILITY AS NECESSARY. ONCE CONTRACTOR SHALL MAKE PROVISIONS TO KEEP ADJACENT ROADS CLEAN FROM SOIL 5. TEMPORARY DIVERSION DIKES (3.09) - A SYSTEM OF DIVERSION DIKES TO DIRECT FLOW EVERY TWO WEEKS, WHETHER A STORM EVENT HAS OCCURRED OR NOT, THE MEASURE INTO THE SEDIMENT TRAP. WILL BE INSTALLED AS SHOWN ON THE EROSION AND SHALL BE INSPECTED AND REPAIRS MADE IF NEEDED. DAMAGES CAUSED BY BUILD-UP. 18. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN SEDIMENT CONTROL PLAN. CONSTRUCTION TRAFFIC OR OTHER ACTIVITY MUST BE REPAIRED BEFORE THE END OF 30 DAYS AFTER FINAL SITE STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO EACH WORKING DAY. LONGER NEEDED, UNLESS OTHERWISE AUTHORIZED BY THE LOCAL PROGRAM AUTHORITY. 6. TEMPORARY SEDIMENT TRAP (3.13) - A TEMPORARY SEDIMENT TRAP IS TO BE 5. STORMWATER CONVEYANCE CHANNELS: TRAPPED SEDIMENT AND THE DISTURBED SOIL AREAS RESULTING FROM THE DISPOSITION CONSTRUCTED IN CONJUNCTION WITH CULVERT INLET PROTECTION. CALCULATIONS FOR THE 5.1. GRASS LINED CHANNELS - DURING THE INITIAL ESTABLISHMENT, GRASS LINED CHANNELS OF TEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER SEDIMENT TRAP ARE SHOWN WITH THE EROSION AND SEDIMENT CONTROL DETAILS. SHOULD BE REPAIRED IMMEDIATELY AND RE-ESTABLISHED IF NECESSARY. AFTER GRASS EROSION AND SEDIMENTATION. HAS BECOME ESTABLISHED, THE CHANNEL SHOULD BE CHECKED PERIODICALLY TO CONTRACTOR SHALL STABILIZE SITE, AND OBTAIN INSPECTOR APPROVAL PRIOR TO REMOVING 7. STORMWATER CONVEYANCE CHANNEL (3.17) - A SERIES OF CHANNELS SHALL BE DETERMINE IF THE GRASS IS WITHSTANDING FLOW VELOCITIES WITHOUT DAMAGE. IF THE ANY EROSION CONTROL MEASURES. CONSTRUCTED TO PROVIDE FOR THE CONVEYANCE OF CONCENTRATED RUNOFF TOA CHANNEL IS TO BE MOWED, IT SHOULD BE DONE IN A MANNER THAT IT WILL NOT 19. PROPERTIES AND WATERWAYS DOWNSTREAM FROM DEVELOPMENT SITES SHALL BE RECEIVING CHANNEL WITHOUT DAMAGE FROM EROSION. TYPICAL DITCH SECTIONS & DAMAGE THE GRASS. PROTECTED FROM SEDIMENT DEPOSITION, EROSION AND DAMAGE DUE TO INCREASES IN CALCULATIONS ARE SHOWN ON THE PLAN. 5.2. RIPRAP-LINED CHANNELS - RIPRAP LINED CHANNELS SHOULD BE CHECKED PERIODICALLY VOLUME, VELOCITY AND PEAK FLOW RATE OF STORM WATER RUNOFF FOR THE STATED TO ENSURE THE SCOUR IS NOT OCCURRING BENEATH FABRIC UNDERLINING OF THE FREQUENCY STORM OF 24-HOUR DURATION IN ACCORDANCE WITH THE FOLLOWING g. OUTLET PROTECTION (3.18) - OUTLET PROTECTION WILL BE INSTALLED AT THE END OF RIPRAP LAYER. THE CHANNEL SHOULD ALSO BE CHECKED TO DETERMINE THE STONES STANDARDS AND CRITERIA: ALL STORM SEWER PIPES. CALCULATIONS FOR THE OUTLET PROTECTION ARE SHOWN WITH THE DOWNSTREAM PROPERTIES AND WATERWAYS ARE PROTECTED FROM INCREASES IN STORM THE EROSION- AND SEDIMENT CONTROL DETAILS. THE RIPRAP SHOULD BE CHECKED ARE NOT DISLODGED BY LARGE FLOWS. RUNOFF BY THE WATER QUANTITY PROTECTION OF UPPER BALLARD POND, RETENTION BASIN II PERIODICALLY TO ENSURE SCOURING IS NOT OCCURRING BENEATH FABRIC UNDERLINING 5.3.1E SEDIMENT IS DEPOSITED IN A GRASS -LINED CHANNEL, IT SHOULD BE REMOVED FACILITY L-1 AS DESCRIBED IN THE STORMWATER MASTER PLAN FOR OLD TRAIL VILLAGE PROMPTLY TO PREVENT DAMAGE TO THE GRASS. SEDIMENT DEPOSITED IN A RIPRAP �Z,TH OF OF THE RIPRAP LAYER. CHANNEL SHOULD BE REMOVED WHEN IT REDUCES THE CAPACITY OF THE CHANNEL. APPROVED APRIL 25, 2016. o� fP A. CONCENTRATED STORM WATER RUNOFF LEAVING A DEVELOPMENT SITE SHALL BE g, CHECK DAM - ROCK CHECK DAMS WILL BE INSTALLED IN THE PROPOSED �'r' DISCHARGED DIRECTLY INTO AN ADEQUATE NATURAL OR MAN-MADE RECEIVING (3.20) � CE CONSTRUCTION ENTRANCE STONE CONSTRUCTION ENTRANCE DsT SEDIMENT TRAP TEMPORARY SEDIMENT TRAP V1 VARIABLE* 70' MIN, EXISTING A 3, PAVEMENT OROUNDL VARIABLE 5:1 ELEV. 1.0' FILTER CLOTH 6" MIN. MOUNTABLE BERM 67 CU. YD./ACRE A (❑PTI❑NAL) r, VARIABLE N � SIDE ELEVATION :XISTING GROUND 67 CU. YD./ACRE 70' MIN. T (EXCAVATED) -- 4' MAX. A. FILTER CLOTH ORIGINAL B 10' MIN. GROUND WASHRACK ELEV. (❑PTI❑NAL) * SEE PLATE 3.13-1 COARSE AGGREGATE CLASS I RIPRAP * 10, MIN, A 12' MIN, �-- EXISTING PAVEMENT CROSS SECTION OF OUTLET VD❑T #1 �� POSITIVE DRAINAGE 10' MIN. COURSE AGGREGATE B I T❑ SEDIMENT CLASS I RIPRAP LENGTH (IN FEET) _ TRAPPING DEVICE 6 X DRAINAGE AREA * MUST EXTEND FULL WIDTH I / (IN AC.) OOF PERATION INGRESS AND EGRESS PLAN VIEW DIKE A"" y`u"' SECTION A -A REINFORCED CONCRETE DRAIN SPACE SECTION B -B SOURCE: ADAPTED from 1983 Maryland Standards for Soil erosion and Sediment Control, and Va. DSWC COARSE AGGREGATE EXCAVATED FILTER CLOTH AREA **COARSE AGGREGATE SHALL BE VDOT #3, #357 OR #5 OUTLET (PERSPECTIVE VIEW) Plate 3.02-1 SOURCE: VA. DSWC IF, IN THE OPINION OF THE COUNTY E&S INSPECTOR, THE STANDARD CONSTRUCTION ENTRANCE IS UNDERPERFORMING OR NOT BEING PROPERLY MAINTAINED, COUNTY E&S INSPECTOR MAY REQUEST AND PERMITTEE SHALL IMMEDIATELY INSTALL AND MAKE OPERATIONAL, THE PAVED WASHRACK AS SHOWN. OP) OUTLET PROTECTION In, OUTLET CONDI TIONS A 'IPE OUTLET TO FLAT .REA WITH NO DEFINED 'HANNEL L T ,I 0 % -� _i d SECTION A -A FILTER CLOTH KEY IN 6"-9"; RECOMMENDED FOR ENTIRE PERIMETER ado (MIN.) 'IPE OUTLET TO WELL )EFINED CHANNEL Uro d SECTION A -A 7 - FILTER CLOTH KEY IN 6"-9"; RECOMMENDED FOR ENTIRE PERIMETER NOTES: 1. APRON LINING MAY BE RIPRAP, GROUTED RIPRAP, GABION BASKET, OR CONCRETE. 2. La IS THE LENGTH OF THE RIPRAP APRON AS CALCULATED USING PLATES 3.18-3 AND 3.18-4. 3. d = 1.5 TIMES THE MAXIMUM STONE DIAMETER, BUT NOT LESS THAN 6 INCHES. PLATE. 3.13-2 Source: Va. DSWC Plate 3.18-1 SF SILT FENCE MINIMUM TOP WIDTH (W) REQUIRED FOR SEDIMENT TRAP EMBANKMENTS ACCORDING TO HEIGHT OF EMBANKMENT (FEET) W DESCRIPTION ST 1 H HO W - - - - 1.5 0.5 2.0 147.4 2.0 1.0 2.0 147.4 2.5 1.5 2.5 294.8 3.0 2.0 2.5 535.0 3.5 2.5 3.0 H p H 4.0 3.0 3.0 91.0 4.5 3.5 4.0 3;3 5.0 4.0 4.5 SOURCE: VA. DSWC SEDIMENT TRAP SCHEDULE DESCRIPTION ST 1 95-100% DRAINAGE AREA 2.2 AC. WET VOLUME 147.4 CY DRY VOLUME 147.4 CY TOTAL VOLUME 294.8 CY PROVIDED VOLUME 535.0 CY SIZE (Vii) 41.0 FT (L) 91.0 FT (D) 3;3 FT OUTLET LENGTH 13.2 FT BOTTOM TRAP EL 677.20 TOTAL 150 LBS. WET VOL. EL 680.50 ANNUAL RYE DRY VOL. 'EL 631.50 AUGUST 16TH THROUGH OCTOBER 31ST. . . . . . . . . . . TOP OF BANK 682.50 . ANNUAL RYE ORIGINAL GROUND ELEV. PLATE. 3.13-1 CONSTRUCTION OF A SILT F'E'NCE (WITHOUT WIRE SUPPORT) 1. SET THE STAKES. 2. EXCAVATE A 4"X 4" TRENCH UPSLOPE ALONG THE LINE OF STAKES. Ij!'i 6'MAX. 6, I i FLOW�.- 3. STAPLE FILTER MATERIAL TO STAKES AND EXTEND IT INTO THE TRENCH. 4" 4, BACKFILL AND COMPACT THE EXCAVATED SOIL. \b� POINTS A SHOULD BE HIGHER THAN POINT B. DRAINAGEWAY INSTALLATION (FRONT ELEVATION) SOURCE: Adapted from Installation of Straw and Fabric Filter Barriers for Sediment Control,VA. DSWC PLATE. 3.05-2 Sherwood and Wyant OUTLET PROTECTION SPECIFICATIONS STR #7 O 1.5 C.Y. CL I RIPRAP OUT OW 6" MIN. DEPTH � E- 18" W/UNDERLYING F.F Q10 = 4.7 cfs APRON LENGTH = 10' PERMANENT SEEDING MIXTURES PS FOR THE PIEDMONT AREA TOTAL LBS. PER ACRE MINIMUM CARE LAWN - COMMERCIAL OR RESIDENTIAL 175-200 LBS. - KENTUCKY 31 OR TURF -TYPE TALL FESCUE 95-100% - IMPROVED PERENNIAL RYE GRASS 0-5% - KENTUCKY BLUEGRASS 0-5% HIGH MAINTENANCE LAWN 200-250 LBS. - KENTUCKY 31 OR TURF -TYPE TALL FESCUE 100% GENERAL SLOPE (3:1 OR LESS) �� - KENTUCKY 31 FESCUE 128 LBS. - RED TOP GRASS 2 LBS. - SEASONAL NURSE CROP* 20 LBS. rn TOTAL 150 LBS. LOW -MAINTENANCE SLOPE (STEEPER THAN 3:1) - KENTUCKY 31 FESCUE 108 LBS. - RED TOP GRASS 2 LBS. - SEASONAL NURSE CROP* 20 LBS. - CROWN VETCH** 20 LBS. J O TOTAL 150 LBS. *USE SEASONAL NURSE CROP IN ACCORDANCE WITH SEEDING DATES AS STATED BELOW: FEBRUARY 16TH THROUGH APRIL 30TH. . . . . . . . . . . . ANNUAL RYE MAY 1ST THROUGH AUGUST 15TH . . . . . . . . . . . . . . FOXTAIL MILLET AUGUST 16TH THROUGH OCTOBER 31ST. . . . . . . . . . . .ANNUAL RYE NOVEMBER 1ST THROUGH FEBRUARY 15TH . . . . . . . . . . ANNUAL RYE ** SUBSTITUTE SERICEA LESPEDEZA FOR CROWNVETCH EAST OF FARMVILLE, VA (MAY THROUGH SEPTEMBER USE HULLED SERICEA, ALL OTHER PERIODS, USE UNHULLED SERICEA.)IF FLATPEA IS USED IN LIEU OF CROWNVETCH, INCREASE RATE TO 30 LBS./ACRE. ALL LEGUME SEED MUST BE PROPERLY INOCULATED. WEEPING LOVEGRASS MAY BE ADDED TO ANY SLOPE OR LOW MAINTENANCE MIX DURING WARMER SEEDING PERIODS; ADD 10-20 LBS./ACRE IN MIXES. O� DD DIVERSION DIKE TEMPORARY DIVERSION DIKE Compacted Steil SOURCE: VA. DSWC PLATE 3.09-1 10 �.tiTH OF "1A Vol mr`ny L. Tiggart Lic. No. 22841 �sv4 0 1�ss1ONAL REVISIONS 03/28/2018 COUNTY COMMENTS 05/17/2018 COUNTY COMMENTS DATE JAN. 12, 2018 SCALE CONTOUR INTERVAL U Z g a w � O wLU04co 2 �� 2 �m �W O 0 rn WQZJ0 I- � Q^ (fix Q_ 0 it W M @ J O OV W o U W J � WW Q Q Uq U, J � N Q ZJ06J Z� U.) U� O m O� t O N, 00 X CC W U)�^^ i LL � W W � cc o 0 0) 0) W Z O a REVISIONS 03/28/2018 COUNTY COMMENTS 05/17/2018 COUNTY COMMENTS DATE JAN. 12, 2018 SCALE CONTOUR INTERVAL FILE NUMBER 8053 jI SHEET Ill J QL Z g 1� o N CL j L1J �W O 0 rn WQZJ0 I- � O _ Q_ O Z CL > J O ZJo O U W J � Q Z O ()oc V0Wo Q ZJ06J O m CL O O CC W U)�^^ i FILE NUMBER 8053 jI SHEET Ill � IP INLET PROTECTION GRAVEL CURB INLET SEDIMENT FIL TER GRAVEL FILTER 12" RUNOFF WATER WIRE MESH FILTERED WATER a a II) - ;4 _ II SEDIMENT Igg CONCRETE GUTTER 12" CURB INLET SPECIFIC APPLICATION THIS METHOD OF INLET PROTECTION IS APPLICABLE AT CURB INLETS WHERE PONDING IN FRONT OF THE STRUCTURE IS NOT LIKELY TO CAUSE INCONVENIENCE OR DAMAGE TO ADJACENT STRUCTURES AND UNPROTECTED AREAS. * GRAVEL SHALL BE VDOT #3, #357 OR 5 COARSE AGGREGATE. SOURCE: VA. DSWC PLATE 3.07— CB/M) BLANKET/MATTING (SOIL gHAl 1 ()W T) ON SHALLOW SLOPES, STRIPS OF NETTING PROTECTIVE COVERINGS MAY BE APPLIED ACROSS THE SLOPE. BERM 1--i 1=111=11I- - – WHERE THERE IS A OF THE SLOPE BERM AT THE TOP – – – _ITI� I I III – BRING THE MATERIAL OVER THE BERM AND ANCHOR IT III= iII=111 BEHIND THE BERM. II–ITHII–III–III–III–I II I I–III III–I I f I- -' -IIITIII ON STEEP SLOPES, APPLY PROTECTIVE COVERING PARALLEL TO THE DIRECTION OF FLOW AND ANCHOR SECURELY. ------------------------- - ----- -------4" BRING MATERIAL DOWN TO A LEVEL AREA BEFORE TERMINATING THE INSTALLATION. TURN THE END ' UNDER 4" AND STAPLE AT 12" INTERVALS. 12" IN DITCHES, APPLY PROTECTIVE COVERING PARALLEL TO THE DIRECTION OF FLOW. USE CHECK SLOTS AS REQUIRED. AVOID JOINING MATERIAL IN THE CENTER OF THE DITCH IF AT ALL POSSIBLE. SOURCE: ADAPTED FROM LUDLOW PRODUCTS BROCHURE FLAIL: 6.615-1 DB/M BLANKET/MATTING TYPICAL TREATMENT- (SOIL STABILIZATION BLANKET) INSTALLATION CRITERIA 2" f�. ANCHOR SLOT Date: NOTES APPROXIMATELY 200 STAPLES REQUIRED PER 100 SQ. YDS. OF MATERIAL ROLL. ANCHOR SLOTS, JUNCTION SLOTS & a w � O CHECK SLOTS TO BE BURIED 6" TO 12". Construc d / 914 MONTICELLO ROAD ; ... 12" MAX. 4:1 OR FLATTER .. -. 6" MAX. STEEPER THAN 4:1 0 JUNCTION SLOT . ,: ,: ,,..,.�;:: * ...;, EDGE AND END JOINTS I I : SY IR.. € TO BE SNUGLY ABUTTED I I I I I CHECK SLOT* .- .. ,.–,s ..<r.., :.-: ., 1 n Gdmp la. c• Sur fus Runtlmg Cem ,.,.,. { R...j...,, .. ..:.. .. . ....... ,,.:>° PHONE: (434) 977-0205 FAX (434) 296-5226 r (JUTE MESH WILL HAVE I DATE: TERMINAL FOLD STAPLED LAP JOINT IN Area Asea..,.... I I ,.... LIEU OF EDGE JOINT) i' _ Sur las D fort f i R eii i WPO Pian A rouai Rate / RP LAP JOINT 2" MIN. (JUTE MESH ONLY) AG, I I I I I I I I TAMP FIRMLY acres I LOCATION: ,Conveyance Ditch ANCHOR SLOTI 5' MAX. 4:1 OR FLATTER v� i 3' MAX. STEEPER THAN 4:1 Bidretention acRtties777 :.. ..... -, Left Slope 1 3:1 'r I I 12" �7r6 81ofilter(0.5 inch) 8.96 6.74 6,EE I II tJ.14 I 2' TAMP CHECK SLOT FIRMLY 6" T!_1 2" CHECK SLOT I �— 1 " TO 2" I I I I I I I I VAR. VAR. 6" TO 8" MIN. PLAN VIEW STAPLING DIAGRAM STAPLE FORMED FROM NO.11 STEEL WIRE. *CHECK SLOTS AT MIN. /� 50 C–C INTERVALS; 8" STAPLE MIN- I FNGTH FOR SANnY SnII . A _ --- u , r .. SOURCE: VDOT ROAD AND BRIDGE STANDARDS nCD CHECK DAM TERMINAL FOLD 2" R 0 CK CHECK DAM 2 ACRES OR LESS OF DRAINAGE AREA: 6u FIL (01 VDOT #1 COARSE AGGREGATE FLOW I 2-10 ACRES OF DRAINAGE AREA: SOURCE: VA. DSWC PLATE: 3.36-2 CLASS I RIPRAP PLATE. 3.20-1 CD CHECK DAM SPACING BETWEEN CHECK DAMS L = THE DISTANCE SUCH THAT POINTS A AND B ARE OF EQUAL ELEVATION SOURCE: VA. DSWC DITCH CALCULATIONS PLATE. 3.20-2 JEC-2 P S TIE TO EX/ST/NG PERMANENT GROUND, TYR EX/ST/NG GROUND SEED/NG B/M EC -2 LIN/NG V - DITCH ROUDABUSH, GALE & ASSOCL4TES c.omphance Cracking Ledger Date: 5/17/2018 a w � O Construc d / 914 MONTICELLO ROAD ; ... x...... _... -, .. -. PROJECT NAME: ;. -:.. a _ ,.. „:.. Drama A ea b vie Mrmmiim. . ,: ,: ,,..,.�;:: * ...;, ui CHARLOTESVILLE, VIRGINIA 22902PROJECT#: : SY IR.. € vNance __...�. - ...,.,... ,.. ssociated Blocks ,�,.. � } _ Ea et R m e Require R'. n- .ra a e d....C. i a e... :.. ... ..;: ,.� . Desi n,Rraina eArea. . , •..... : .- .. ,.–,s ..<r.., :.-: ., 1 n Gdmp la. c• Sur fus Runtlmg Cem ,.,.,. { R...j...,, .. ..:.. .. . ....... ,,.:>° PHONE: (434) 977-0205 FAX (434) 296-5226 _ .. ; r Wo DATE: .: , Area Asea..,.... RraiRageArea:!. ,.... i' _ Sur las D fort f i R eii i WPO Pian A rouai Rate / RP BY: • AG, �w -. ., r.,acres acres . LOCATION: ,Conveyance Ditch + ,,.... v� t .. ,.....=..., , ,. . ; Bidretention acRtties777 :.. ..... -, Left Slope 1 3:1 'r L-3 10, 16, 17, IS (EAST VILLAGE) 81ofilter(0.5 inch) 8.96 6.74 6,EE 6.��s tJ.14 WP02,01600009(621-2016} Right Slope 3:1 AREAS S-3 101617 8 1 EAST VILLAGE ( ) Bio filter 0.5'nc r r i 6.89 5. 8 t 1 ( ) ;.3'' � 'i EARTH W, f a 1. 0 .i PL720I,i3000 t? 2 ) ( 2t, la PROTECTIV E LINING 1, 3, 6, 7, 26, 27, 28, 29 (WEST V1LLAG E) 5-12 10, 16, 17, 18 (EAST VILLAGE) Biofilter (0.5 inch) 5.87 4.42 STATION TO STATION . i:r7 O1 35 0.65 0.30' CA TC 12 CIJT Q 2 SLOPE a J n=.03 4 2 n=.05 n=,015 110 Q10 DEP, 1, 2, 4,13 (THE LODGE) Ret. Basin III (4xWQV) with Aquatic Bench - o . • - "� , •, ,_-' ,� ,, a „ , , .,•. -5.86 BF -A 5, 20, 21 (DENSTOCK APTS) ": '��,`� . ".; ":" ". 'i' -...,•; ...... •': O,y2. --? 1iS or 1"u NrS?OL1::1)G:I6 i2 !8-201:?) q > BF -B 5, 20, 21 (DENSTOCK APTS) SWM#acdities, l?beied A B, C,`t3, & E" shown hereon this inter tlilwiitlt•campllante 3.04 -0 X33 1.5<a WPO2017n{361n t2 28 2018) C � C1 C2 C3 INCR ACC, 1, 3 (VILLAGE CENTER) BF -C FILL FTIFT 1'i.>3 VEL. Qn VEL. DEP, Qn DEP. 5 20 21 DENSTOCK APTS)#aciUtieha�e ( aft2(o'addltioiral;CequareddQegiiaty3n.�cttrrNanceytttft;dpRrdki' �CfPQ2fllfitM}i7Q'��<,v}tz;i 92.58 90.16 REMARKS Temp. Channel to ST 6. BF 5,20,21 (DENS APTS) : ... .: . ”. :. .. ".�.:.:�"..i; '..5:6 1 eydJ(i)7fi].JiaCtt; lfi (?-7Y-di)2R) S-6 24, 25, 34, 35 Biofilter (0.5 inch) 1.40 1.05 " - S -6A 24, 25, 34, 36 12+87 12+00 - 1.Q6 0.69 0.69 5.00 5.18 3.57 Cut 0,Q100 2.39 1.63 S -7A 19 6.67 4.59 12" - EC -2 12+00 = 11+00 0.24 22 (WEST VILLAGE) Biofilter (0.5 inch) 5,82 4.38 0.08 6-77 5.00 5.18 4.00 Cut 0:0100 32 (VILLAGE HIGHLANDS) 2:46 1-68 6-67 5.15 12" 67.98 51.15 EC -2 11+00 10+00 1.56 0.18 0:06 0.84 6,00 ' 5.18 4.33 Cut 0:0100 2.61 1.71 6.67 5.57 13" EC -2 , 1 Note 1 Permissable'Velocities for Solis with K -Factor greater than .35 Soil=2603 Dyke Clay Loam K -Factor = 0-37) .. .. < 2.25 fps - Grass ; :2.25 fps to 3 fps = EC2 ; ;3 fps to 5.25 fps = EC3 Type A _ ... _ A.. __,.. 5.25 fps :to 7.5 fps = EC3 Type ,. _ ._... ,... 7.5 fps .. to 16.5 fps Cl. I Rip Rap `10.5 fps to 14;25 fps = Cl. 11 Rip Rap Old Trail Village Water QuatitY c.omphance Cracking Ledger Date: 5/17/2018 a w � O Construc d / x...... _... -, .. -. :kd`sterPian 'Mbimum.Esfimat £i - .,-,., "z .::.. ;. -:.. a _ ,.. „:.. Drama A ea b vie Mrmmiim. . ,: ,: ,,..,.�;:: * ...;, ui .. _ t, o ._,.. : SY IR.. € vNance __...�. - ...,.,... ,.. ssociated Blocks ,�,.. � } : BMP.......e. M " iXP {Per USW,.. N} Ea et R m e Require R'. n- .ra a e d....C. i a e... :.. ... ..;: ,.� . Desi n,Rraina eArea. . , •..... : .- .. ,.–,s ..<r.., :.-: ., 1 n Gdmp la. c• Sur fus Runtlmg Cem ,.,.,. { R...j...,, .. ..:.. .. . ....... ,,.:>° - iNP Pia Q n f A rovaf late PP s . ., .,;: ..:.... .. DesP n Trackin Nates . 8 g .. ; r Wo : .: , Area Asea..,.... RraiRageArea:!. ,.... i' _ Sur las D fort f i R eii i WPO Pian A rouai Rate / RP ... .... t �w -. ., r.,acres acres . + ,,.... v� t .. ,.....=..., , ,. . ; Bidretention acRtties777 :.. ..... -, (acres), _.. 'r L-3 10, 16, 17, IS (EAST VILLAGE) 81ofilter(0.5 inch) 8.96 6.74 6,EE 6.��s tJ.14 WP02,01600009(621-2016} ,_-,;_aln lid ;..G3i afres<aptUra from Bioek 31C develGPRi)Pgxil'Cfer to WPQ2R1$00,0_$flj*::.-,', Pond P tilt a tie S-3 101617 8 1 EAST VILLAGE ( ) Bio filter 0.5'nc r r i 6.89 5. 8 t 1 ( ) ;.3'' � 'i S 7 W, f a 1. 0 .i PL720I,i3000 t? 2 ) ( 2t, la :: I odes fl:23 acr8s ca re #tla Block 37 s ric pttt m � deyaitiptnerit irefer td WPQ2fl1t3dtifl8D} 1, 3, 6, 7, 26, 27, 28, 29 (WEST V1LLAG E) 5-12 10, 16, 17, 18 (EAST VILLAGE) Biofilter (0.5 inch) 5.87 4.42 4.36-0,"06 . i:r7 W1 i) r,11t.'r.':4'h 6a 207=^ s. •) V,,T0201.600(t1,)9 (6-2 2i, ..,,, *includes 0.65 acres capture from Block ale development irefertd 0P S -SB 5, 20, 21 (DENSTOCK APTS) Biofilter (0,5 inch) 3,52 2,65 15.30 15 s3 O.t1:; 4 2 VvP0201500066 ,.P02015�3C066 (1117-2015} _;t�Bd 5 -SA 5, 20, 21 (DENSTOCK APTS) Biofilter (0.5 inch) 4.87 3.66 1, 2, 4,13 (THE LODGE) Ret. Basin III (4xWQV) with Aquatic Bench - - . • - "� , •, ,_-' ,� ,, a „ , , .,•. -5.86 BF -A 5, 20, 21 (DENSTOCK APTS) ": '��,`� . ".; ":" ". 'i' -...,•; ...... •': O,y2. --? 1iS '1'i? 1"u NrS?OL1::1)G:I6 i2 !8-201:?) BF -B 5, 20, 21 (DENSTOCK APTS) SWM#acdities, l?beied A B, C,`t3, & E" shown hereon this inter tlilwiitlt•campllante 3.04 -0 X33 1.5<a WPO2017n{361n t2 28 2018) C krackingtsj eef ware designed in lieu of SWM facilities iabeiad SSA $SSB Thi ... ; Parks Pond 1, 3 (VILLAGE CENTER) BF -C 5, 20, 21 (DENSTOCKAPTS) been,aPRr4tieti,untter WPR2¢3'Zji{3016 by Aiberita,(,},Rt+f with�$Fitt'iettt 1'i.>3 -1.23 41%Pv'2017,..+00161223-23;.8i ,• ' tti BF -D 5 20 21 DENSTOCK APTS)#aciUtieha�e ( aft2(o'addltioiral;CequareddQegiiaty3n.�cttrrNanceytttft;dpRrdki' �CfPQ2fllfitM}i7Q'��<,v}tz;i 92.58 90.16 -r; ,a. y„>'�.. :, ?OOtf>(?-7&?:i^8) 6. BF 5,20,21 (DENS APTS) : ... .: . ”. :. .. ".�.:.:�"..i; '..5:6 1 eydJ(i)7fi].JiaCtt; lfi (?-7Y-di)2R) S-6 24, 25, 34, 35 Biofilter (0.5 inch) 1.40 1.05 " - S -6A 24, 25, 34, 36 Biofilter (0.5 inch) 12.50 9.41 - - S-7 19 Biofilter (0.5 inch) 6.66 5.01 - + S -7A 19 Biofilter(0,5 inch) 1.81 1.36 - S-4 22 (WEST VILLAGE) Biofilter (0.5 inch) 5,82 4.38 <t:r€> .(Nut. Appo•.,ed k'ett S-13 32 (VILLAGE HIGHLANDS) Biofilter ILS Inch) 9.68 7.28 Sum 67.98 51.15 28.60 1.515 1.56 *Individual BMPs may not meet this renuirement as lon¢ ac the sum of design drar— araac asraarla ti- aim of—fl—t—I Design submittal: Block 7, Phase 11 Submittal Notes; See Design Tracking Notes for Facility ID L-1 Compliance as of: 5/17/2018 Retention Basins., Bioretention: yes Total Site Compliance: Note: Capture areas noted above pertain to water quality capture only. Additional benefit provided from further water quantity capture not includec o�4��:LTH OF Dl� mI'i�y L. Ttiggart Lic. No. 22841 �sv� o�11SSIONAL E��1 /I r a e i "111-111 nitonance acreage rcmems avaname To ousec nuc re areas, a w � O z 4urred ui N Q € Facility CD ...,.- " Minimum _.-; AsBtf3it DralRa eArea $... x e a c i urn,i E c ed n e of Man mRunning nc ComWi a e P ' .. ; r Wo : Y ... :: ,..... . , . ` : BMPT a erVSWMH YE., iR } RraiRageArea:!. ,.... Draina eArea g i' _ Sur las D fort f i R eii i WPO Pian A rouai Rate / RP est =• .. R nTrackin Notes_:' .• g g t �w ...•. _ �N .. - - ..:..: v� t .. ,.....=..., , ,. 0� .. :.. ..... -, (acres), _.. L acres tQ U, O , 0-k �o�PO4 L LV to n., Pond P tilt a tie �� 0 Z ti Of-.. WOL W ea bl 1, 3, 6, 7, 26, 27, 28, 29 (WEST V1LLAG E) Retention Basin II (4xWQV)k 42.54 , :l - 02 . i:r7 W1 i) r,11t.'r.':4'h 6a 207=^ s. •) e: includes S$acrts sa tore from BCocic eveia #e t R pr!te,(it{{re r aWPR2017RRR44&WPD20iB00fl0$j ®riSkCV�t 11, 12, 14,15 Ret. Basin Ili (4xWQV} with Aquatic Bench' 15.30 15 s3 O.t1:; 4 2 VvP0201500066 ,.P02015�3C066 (1117-2015} _;t�Bd L-2 1, 2, 4,13 (THE LODGE) Ret. Basin III (4xWQV) with Aquatic Bench 23.60 21.'fi -1.84 -5.86 Y00201600009 (6 21 2026; - S-1 23, 32 (VILLAGE HIGHLANDS) Retention Basin II (4xWQV) 11.14 0,01ed ... ; Parks Pond 1, 3 (VILLAGE CENTER) Enhanced Ext. Detention (2xWQV) 0.0o i4 Fc 1'i.>3 „..: _.:. V,;G02017000t?3INot ,�aYrovcti yct <* :-- :i'!5`dGt ,4 tuire,votttt-2&4.02 acres iRfiliSiP 3 S. P captttfe 4crtt t 3 (rgfe �9 Lent to WQ20l3tk?Q52} ' Sum 92.58 90.16 .'-.7w 8.?2?- ., .. .., F e Design submittal: Block 7, Phase 11 Submittal Notes; See Design Tracking Notes for Facility ID L-1 Compliance as of: 5/17/2018 Retention Basins., Bioretention: yes Total Site Compliance: Note: Capture areas noted above pertain to water quality capture only. Additional benefit provided from further water quantity capture not includec o�4��:LTH OF Dl� mI'i�y L. Ttiggart Lic. No. 22841 �sv� o�11SSIONAL E��1 /I REVISIONS 1 03/28/2018 COUNTY COMMENTS 05/17/2018 COUNTY COMMENTS DATE JAN. 12, 2018 SCALE CONTOUR INTERVAL �(wJ Z v /I Z 01 CL ra W N O W a. r Z SQZJF5 0 0 � O Q ' Z W 'z J U u�t�OQ� J_ — Q WOU� a awC� �,J 06 ,J 0 Lw CL r 0 Z CD FILE NUMBER 8053 SHEET 7of8 a w � O wW 2 N C0 N ui N Q CL Q''C7 0 :W !E@ OU Wo Q. Q UQ �w J� �N v� 0� � t cc L ('0^J tQ U, O , 0-k �o�PO4 L LV to LU W �� 0 Z ti Of-.. WOL W 2 0) 0 ` 0)W 2 W O a REVISIONS 1 03/28/2018 COUNTY COMMENTS 05/17/2018 COUNTY COMMENTS DATE JAN. 12, 2018 SCALE CONTOUR INTERVAL �(wJ Z v /I Z 01 CL ra W N O W a. r Z SQZJF5 0 0 � O Q ' Z W 'z J U u�t�OQ� J_ — Q WOU� a awC� �,J 06 ,J 0 Lw CL r 0 Z CD FILE NUMBER 8053 SHEET 7of8 c a 0 , e ......... . A"tN- Cl AW %-4 k dots k* MY In MR> W — I WJ I V L-L-wl evi L-1 I I r yl UWa �Jgg Lu DRAINAGE AREA :3 a. F=; 00 CS4ca 4 D Z 0.j 8 ON o < TO RETEN11ON POND L z —Z 0 0 1= QON� 0. rc Lu 95@) Z.j =4.18AC (FAA)Tc=1 5.1 MIN M .LrZ IZ z ch Lu CN=$ 3► UQ r uj dd -.08 -j cm 04 Ln 15 0 Lu 0 LL L—L 11 04 O 0 Z P4. 0 r, (L LU 2 0) 0) LLI Lu z 0 (L .. ....... . I& RInCK 7 Cl AW %-4 k dots k* h" 0. • r yl LEGEND 0 � � N DRAINAGE AREA FROM APPROVED SWM MASTER PLAN (V\IP0201600009) � a 0 DRAINAGE AREA TO EXISTING RETENTION BASIN L-1 ��j,TH OF C Jimmy L. Taggart Lic. No. `0 P 22841 S/ONAL EN SCALE 1" = 100' 100 50 0 100 200 SCALE IN FEET 01 REVISIONS 02/02/2018 COUNTY COMMENTS 05/17/2018 COUNTY COMMENTS DATE JAN. 12, 2018 SCALE III = 100' CONTOUR INTERVAL NA 0. • *w 0 Z gW UWa �Jgg Lu :3E cn :3 a. F=; 00 CS4ca 4 D Z 0.j 8 ON o < Q. z —Z 0 0 1= QON� 0. rc Lu 95@) Z.j wo M .LrZ IZ z ch Lu Q UQ r uj dd -.08 -j cm 04 Ln 15 0 Lu 0 LL L—L 11 04 O 0 Z P4. 0 r, (L LU 2 0) 0) LLI Lu z 0 (L REVISIONS 02/02/2018 COUNTY COMMENTS 05/17/2018 COUNTY COMMENTS DATE JAN. 12, 2018 SCALE III = 100' CONTOUR INTERVAL NA FILE NUMBER 8053 SHEET 8 of 8 0. < Z* c\l Z gW UWa �Jgg < Z :3 a. F=; s Z 0.j 8 ON o < O�e z cr QON� 0. ui Z.j O'j M a: uj 0 FILE NUMBER 8053 SHEET 8 of 8