HomeMy WebLinkAboutWPO201800074 Plan - VSMP Road Plan and Comps. 2018-11-09I
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CHARLOTTESVILLE, VA 22902
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DEVELOPER.- RIVERBEND OEVELOPME
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455 SECOND STREET SE, SUITE 400
CHARLOTTESVILLE, VA 22902 0560-00-00-00OA2
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MEASURES ASSOCIATED WITH THE CONSTRUCTION .4b ae,
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THE BOUNDARY LINE INFORMATION IS PROVIDED BY ROUDABUSH, GALE OPV2
AND ASSOCIA TES. INFORMA 77ON FIELD VERIFIED
ENGINEERING SEPTEMBER OF 2018.
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EXISTING VEGETA 770N. PARTIALLY WOODED. CONSTRUCTION HAS NOT BEGUN IN THE VICIANITY
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STREAM BUFFERS: THE STREAM BUFFERS SHOWN HEREON SHALL BE MANAGED IN .4=17-.672a-A.=710
ACCORDANCE WITH THE ALBEMARLE COUNTY WATER PROTECTION
ORDINANCE.
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NOT ASSUME RESPONSIBILITY FOR ANY CONSTRUCTION STARTED PRIOR TO PLAN APPROVAL.
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PLAN SHEET LIST
Sheet Number
Sheet Title
I
COVER & EXISTING CONDITIONS
2
EROSION & SEDIMENT CONTROL NOTES, NARRATIVE & DETAILS
3
PHASE I EROSION & SEDIMENT CONTROL PLAN
4
PHASE 11 EROSION & SEDIMENT CONTROL PLAN
5
MITIGATION PLAN
TOTAL 5PAGES
APPROVED
by the Albemarle County
Community Development Department
Date_jj_/q/(k
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SCOTT -R. COLLINS�
No. 35791
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STRUCTURAL EROSION AND SEDIMENT CONTROL PRAC77CES SHALL BE IN ACCORDANCE
WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. STRUCTURAL
PRAC77CES USED IN THIS SEC77ON CONSIST OF THE FOLLOWIN'
3.02 CONSTRUCTION ENTRANCE
A STABILIZED PAVED CONSTRUCTION EN7RANCE WITH A WASH RACK LOCATED AT POINTS OF
VEHICULAR INGRESS AND EGRESS ON A C0NS7RUC77ON S17E: TO REDUCE THE AMOUNT OF
MUD TRANSPORTED ONTO PAVED PUBLIC ROADS BY M07OR VEHICLES OR RUNOFF.
CONSTRUCTION ENTRANCES SHALL BE INSTALLED AS SHOWN ON THE PLANS TO REDUCE THE
AMOUNT SEDIMENT TRANSPORTED ONTO PUBLIC ROADWAYS.
3.05 SILT FENCE:
A TEMPORARY SEDIMENT BARRIER CONSISTING OF A SYNTHETIC FILTER FABRIC STRETCHED
ACROSS AND ATTACHED TO SUPPOR77NG POSTS AND EN7RENCHED, TO INTERCEPT AND DETAIN
SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS DURING CONS7RUC770N OPERATIONS IN
ORDER TO PREVENT SEDIMENT FROM LEAVING THE SITE, AND TO DECREASE THE VELOCITY OF
SHEET FLOWS AND LOW -TO -MODERATE LEVEL CHANNEL FLOWS. 774E SILT FENCE BARRIERS
SHALL BE INSTALLED DOWN SLOPE OF AREAS WITH MINIMAL GRADES TO FILTER SEDIMENT
LADEN RUNOFF FROM SHEET FLOW AS 1NDICA7ED. THEY SHALL BE INSPECTED IMMEDIATELY
AF7ER EACH RAINFALL AND MAINTAINED IN ACCORDANCE WITH THE WRGINIA EROSION &
SEDIMENT CONTROL HANDBOOK (VESCH).
3.07 STORM DRAIN INLET PROTECTION:
A SEDIMENT FILTER OR AN EXCAVA7ED IMPOUNDING AREA AROUND A STORM DRAIN DROP
INLET OR CURB INLET. TO PREVENT SEDIMENT FROM ENTERING STORM DRAINAGE SYSTEMS
PRIOR TO PERMANENT STABILIZATION OF 774E DISTURBED AREA. INLET PROTECTION APPLIES
WHERE STORM DRAIN INLETS ARE TO BE MADE OPERATIONAL BEFORE PERMANENT
STABILIZA7ION OF THE CORRESPONDING DISTURBED DRAINAGE AREA.
3.08 CULVERT INLET PROTECTION:
A SEDIMENT FILTER LOCATED AT THE INLET TO STORM SEWER CULVERTS TO PREVENT
SEDIMENT FROM ENTERING, ACCUMULA77NG IN AND BEING TRANSFERRED BY A CULVERT AND
ASSOCIATED DRAINAGE SYSTEM PRIOR TO PERMANENT STABILIZA77ON OF A DISTURBED
PROJECT AREA. TO PROVIDE EROSION CONTROL AT CULVERT INLETS DURING THE PHASE OF A
PROJECT WHERE ELEVATION AND DRAINAGE PATTERNS CHANGE, CAUSING ORIGINAL CONTROL
MEASURES TO BE INEFFEC77VE OR IN NEED OF REMOVAL. WHERE CULVERT AND ASSOCIATED
DRAINAGE SYSTEM IS TO BE MADE OPERATIONAL PRIOR TO PERMANENT STABILIZA77ON OF THE
DISTURBED AREA.
3.09 TEMPORARY DIVERSION DIKE:
A TEMPORARY RIDGE OF COMPACTED SOIL CONSTRUCTED AT THE TOP OR BASE OF A SLOPING
DISTURBED AREA. TO DIVERT STORM RUNOFF FROM UPSLOPE DRAINAGE AREAS AWAY FROM
UNPROTECTED DISTURBED AREAS AND SLOPES TO A STABILIZED OUTLET. TO DIVERT
SEDIMENT -LADEN RUNOFF FROM A DISTURBED AREA TO A SEDIMENT -TRAPPING FACILITY SUCH
AS A SEDIMENT TRAP OR SEDIMENT BASIN. USE WHEREVER STORMWATER RUNOFF MUST BE
TEMPORARILY DIVERTED TO PR07E'CT DISTURBED AREAS AND SLOPES OR RETAIN SEDIMENT ON
S17E DURING CONSTRUCTION. THESE STRUCTURES GENERALLY HAVE A LIFE EXPECTANCY OF 18
MONTHS OR LESS, WHICH CAN BE PROLONGED WITH PROPER MAINTENANCE.
3.11 TEMPORARY RIGHT-OF-WAY DIWERSION.-
A RIDGE OF COMPACTED SOIL OR LOOSE ROCK OR GRAVEL CONSTRUCTED ACROSS DISTURBED
RIGHTS -OF -WAY AND SIMILAR SLOPING AREAS. TO SHORTEN THE FLOW LENGTH WITHIN A
SLOPING RIGHT-OF-WAY, )HEREBY REDUCING THE EROSION P07EN77AL BY DIVERTING STORM
RUNOFF TO A STABILIZED OUTLET. GENERALLY, EARTHEN DIVERSIONS ARE APPLICABLE WHERE
THERE WILL BE LITRE OR NO CONSTRUC7ON TRAFFIC WITHIN THE RIGHT-OF-WAY. GRAVEL
STRUCTURES ARE MORE APPLICABLE TO ROADS AND 07HER RIGHTS -OF -WAY WHICH
ACCOMMODATE VEHICULAR TRAFFIC.
3.18 OURET PROTEC770N.
57RUCTURALLY LINED APRONS OR OTHER ACCEPTABLE ENERGY DISSIPA77NG DEVICES PLACED
AT 774E OURE7S OF PIPES OR PAVED CHANNEL SEC770NS TO PREVENT SCOUR AT
STORMWATER OUTLETS, TO PROTECT THE OUTLET STRUCTURE, AND TO MINIMIZE THE P07EN77AL
FOR DOWNSTREAM EROSION BY REDUCING 7HE VELOCITY AND ENERGY OF CONCENTRATED
STORMWATER FLOWS. APPLICABLE TO THE OUTLETS OF ALL PIPES AND ENGINEERED CHANNEL
SECTIONS
3.19 RIPRAP:
STONE VATH
E LOOSE ANGULAR
OF LARD D OVER GROUND C ,
ON -RESISTANT G
A PERMANENT, EROSION -RESISTANT
FILTER FABRIC OR GRANULAR UNDERLINING TO PROTECT THE SOIL FROM THE EROSIVE
FORCES Of CONCENTRATED RUNOFF, SLOW THE VELOCITY OF CONCENTRATED RUNOFF WHILE
ENHANCING THE POTENTIAL FOR INFILTRA77ON, AND TO STABILIZE SLOPES WITH SEEPAGE
PROBLEMS, ANDIOR NON -COHESIVE SOILS.. USE WHEREVER SOIL AND WATER INTERFACE AND
THE SOIL CONDITIONS, WATER TURBULENCE AND VELOCITY, EXPECTED WGETA77VE COVER, ETC,
ARE SUCH 774AT THE SOIL MAY ERODE UNDER THE DESIGN FLOW CONDI770NS
3 25 UTILITY STREAM CROSSING•
A STRATEGY FOR CROSSING SMALL WATERWAYS WHEN IN -STREAM U77LITY CONSTRUCTION IS
INVOLVED. TO HELP PROTECT SEDIMENT FROM ENTERING THE STREAM FROM CONSTRUC770N
WITHIN APPROACH AREAS. TO MINIMIZE THE AMOUNT OF DISTURBANCE WHIN THE STREAM
ITSELF. GENERALLY APPLICABLE TO FLOWING STREAMS WITH DRAINAGE AREAS LESS THAN ONE
SQUARE MILE. '
3.31 TEMPORARY SEEDING
7HE ESTABLISHMENT OF A TEMPORARY VEGETATIVE COVER ON DISTURBED AREAS BY SEEDING
W17H APPROPRIATE RAPIDLY GROWING ANNUAL PLANTS TO REDUCE EROSION AND
SEDIMENTATION BY STABILIZING DISTURBED AREAS 7HAT WILL NOT BE BROUGHT TO FINAL
GRADE FOR A PERIOD OF MORE THAN 30 DAYS. TO REDUCE DAMAGE FROM SEDIMENT AND
RUNOFF TO DOWNSTREAM OR OFF -SITE AREAS, AND TO PROVIDE PR07EC77ON TO BARE SOILS
EXPOSED DURING CONSTRUCTION UN77L PERMANENT VEGETA7701V OR OTHER EROSION CONTROL
MEASURES CAN BE ESTABLISHED.
3.32 PERMANENT STABILIZATIOM
THE ESTABLISHMENT OF PERENNIAL VEGETA7IVE COVER ON DISTURBED AREAS BY PLAN77NG
SEED. TO REDUCE EROSION AND DECREASE SEDIMENT YIELD FROM DISTURBED AREAS. TO
PERMANENTLY STABILIZE DISTURBED AREAS IN A MANNER THAT IS ECONOMICAL, ADAPTABLE TO
S17E CONDITIONS, AND ALLOWS SELEC7ON OF THE MOST APPROPRIATE PLANT MATERIALS. TO
IMPROVE WILDLIFE HABITAT. TO ENHANCE NATURAL BEAUTY. UPON COMPLE770N OF
CONSTRUCTION AC771477ES, ALL AREAS WILL RECEIVE A PERMANENT VEGETATIVE COVER.
3 36 SOIL STABILIZATION BLANKETS & MATTING:
THE INSTALLA77ON OF A PR07EC77VE COVERING (BLANKET) OR A SOIL STABILIZATION MAT ON A
PREPARED PLANTING AREA OF A STEEP SLOPE, CHANNEL OR SHORELINEE, TO AID IN
CONTROLLING EROSION ON CRI77CAL AREAS BY PROVIDING A MICROCLIMATE WHICH PR07ECTS
YOUNG VEGETA77ON AND PROMOTES 17S ESTABLISHMENT APPLIES ON SHORT, STEEP SLOPES
WHERE EROSION HAZARD IS HIGH AND PLAN77NG IS LIKELY TO BE TOO SLOW IN PROVIDING
ADEQUATE PR07EC77VE COVER.
3 38 TREE PRESERVATION AND PROlE'C7TON•
PR07EC77ON OF DESIRABLE TREES FROM MECHANICAL OR OTHER INJURY DURING LAND
DISTURBING AND CONSTRUC77ON AC77WTY. TO ENSURE 774E SURVIVAL OF DESIRABLE TREES
WHERE THEY WILL BE EFFECTIVE FOR EROSION AND SEDIMENT CONTROL, WATERSHED
PRO7EC770N, LANDSCAPE BEAU77RCA770N, DUST AND POLLU71ON CONTROL, NOISE REDUC770N,
SHADE AND OTHER ENVIRONMENTAL BENEFITS WHILE T74E LAND IS BEING CONVERTED FROM
FOREST TO URBAN -TYPE USES APPLIES IN TREE-INHABI7ED AREAS SUBJECT TO LAND
DISTURBING A077W 77ES
3.39 DUST CONTROL:
REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING, DEMOLITION AND
CONSTRUCTON ACTIVITIES. TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM
EXPOSED SOIL SURFACES AND REDUCE 774E PRESENCE OF AIRBORNE SUBSTANCES WHICH MAY .
PRESENT HEALTH HAZARDS, TRAFFIC SAFETY PROBLEMS OR HARM ANIMAL OR PLANT LIFE
DUST CONTROL MEASURES SHALL BE EMPLOYED TO PREVENT SURFACE AND AIR MOVEMENT OF
DUST DURING CONSTRUCTION. MEASURES EMPLOYED SHALL BE IN ACCORDANCE WITH THE
VESCH.
.EIROS'ION CONTROL NOTES'
ES-1: UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION
AND SEDIMENT CONTROL PRACTICES WILL BE CONSTRUCTED AND
MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF
THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA
REGULA77ONS VR 625-02-00 EROSION AND SEDIMENT CONTROL
REGULA TIONS.
ES-2: THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO
-
THE PRE CONSTRUC710N CONFERENCE, ONE WEEK PRIOR TO THE
COMMENCEMENT OF LAND DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO
THE FINAL INSPECTION.
ES-3: ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR
TO OR AS THE FIRST STEP IN CLEARING.
ES-4: A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL
BE MAINTAINED ON THE S17E AT ALL TIMES
ES-5.-PRIOR TO COMMENCING LAND DISTURBING AC77V17IES IN AREAS 0774ER THAN
INDICATED ON THESE PLANS (INCLUDING BUT NOT LIMITED TO, OFF -SITE
BORROW OR WASTE AREAS), THE CON7RACTOR SHALL SUBMIT A
SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND
APPROVAL BY THE PLAN APPROVING AUTHORITY.
ES-6: THE CON7RACTOR IS RESPONSIBLE FOR INSTALLA77ON OF ANY AD0177ONAL
EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND
SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING AUTHORITY.
ES-7.•ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL
MEASURES AT ALL TIMES DURING LAND DISTURBING AC77W77ES AND DURING
S17E DEVELOPMENT UN77L FINAL STABILIZA7ION IS ACHIEVED.
ES-8: DURING DEWAlERING OPERA77ONS, WATER WILL BE PUMPED INTO AN
APPROVED WATER FILTERING DEVICE.
ES-9: 774E CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES
PERIODICALLY AND AFTER EACH RUNOFF -PRODUCING RAINFALL EVENT.
ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFEC77VENESS
OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY.
EROSION CONTROL NOTES
1. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO 774E
PRE -CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND
DISTURBING AC77VITY, AND ONE WEEK PRIOR TO 774E FINAL INSPEC77ON,
Z ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CONSTRUCTED AND MAINTAINED
ACCORDING TO MINIMUM STANDARDS AND SPECIFICA77ONS OF 774E WIRGIN/A EROSION AND
SEDIMENT CONTROL HANDBOOK AND W9RG/NIA REGULATIONS VR 625-02-00 EROSION AND
SEDIMENT CONTROL REGULATIONS
J. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS
THE FIRST 57EP IN CLEARING.
4. A COPY OF 774E APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE
MAINTAINED ON THE S17E AT ALL TIMES.
5. PRIOR TO COMMENCING LAND DISTURBING AC77W77ES IN AREAS OTHER THAN INDICATED
ON THESE PLANS (INCLUDING, BUT NOT LIMITED TO, OFF -SITE BORROW OR WASTE
AREAS), 774E CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO
THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY.
AL EROSION
ACTOR S RESPONSIBLE FOR INSTALLA77ON OF ANY ADDITION fi. THE CONTRACTOR l
CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS
DETERMINED BY THE PLAN APPROVING AUTHORITY.
Z ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT
ALL 77MES DURING LAND DISTURBING ACTIVITIES AND DURING S17E DEVELOPMENT UN77L
FINAL STABILIZA7ION IS ACHIEVED.
8. DURING DEWA7ERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED FILTERING
DEVICE.
9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND
AFTER EACH RUNOFF PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR
CLEANUP TO MAINTAIN THE EFFEC77VENESS OF THE EROSION CONTROL DEVICES SHALL BE
MADE IMMEDIATELY.
10. ALL FILL MATERIAL TO BE TAKEN FROM AN APPROVED, DESIGNATED BORROW AREA.
11. ALL WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WASTE AREA. EARTH FILL
SHALL BE INERT MATERIALS ONLY, FREE OF ROO75, STUMPS, WOOD, RUBBISH, AND 07HER
DEBRIS.
12. BORROW OR WASTE AREAS ARE TO BE RECLAIMED WITHIN 7 DAYS OF COMPLE77ON PER
ZONING ORDINANCE SEC77ON 5.1.28.
13. ALL INERT MATERIALS O
A RIALS SHALL BE TRANSPORTED IN COMPLIANCE WITH SEC77ON 13-301 OF
774E CODE OF ALBEMARLE.
14. BORROW, FILL OR WASTE AC77WTY INVOLVING INDUSTRIAL -TYPE POWER EQUIPMENT SHALL
BE LIMITED TO 7N 7. E HOURS OF • OOAM TO 9: OOPM.
15. BORROW, FILL OR WASTc AC77WTY SHALL BE CONDUCTED IN A SAFE MANNER THAN
MAINTAINS LATERAL SUPPORT, OR ORDER TO MINIMIZE ANY HAZARD TO PERSONS,
PHYSICAL DAMAGE TO ADJACENT LAND AND IMPROVEMENTS, AND DAMAGE TO ANY
PUBLIC STREET BECAUSE O SLIDES, SINKING, OR COLLAPSE.
16. THE DEVELOPER SHALL RESERVE THE RIGHT TO INSTALL, MAINTAIN, REMOVE OR CONVERT
TO PERMANENT STORNA?tR MANAGEMENT FACILITIES WHERE APPLICAB
LE ALL EROSIO
N
CONTROL MEASURES :sEQUIRED BY THIS PLAN REGARDLESS OF 774E SALE OF ANY LOT,
UNIT, BUILDING OR OPTER PORTION OF 774E PROPERTY.
17. TEMPORARY STABILIZATION SHALL BE TEMPORARY SEEDING AND MULCHING. SEEDING IS TO
BE AT 75 LBS/ACRE, AND .lN 774E MONTHS OF SEPIFMBER TO FEBRUARY TO CONSIST A
50/50 MIX OF ANNUv._' RYEGRASS AND CEREAL WINTER RYE, OR IN MARCH AND APRIL TO
CONSIST OF ANNUAL RYE, OR MAY THROUGH AUGUST TO CONSIST OF GERMAN MILLET.
STRAW MULCH IS TO BE APPLIED AT BOLB51100SF. ALTERNATIVES ARE SUBJECT TO
APPROVED BY THE COUNTY EROSION CONTROL INSPECTOR.
18. PERMANENT STABILIZATION SHALL BE LIME AND FERTILIZER, PERMANENT SEEDING, AND
MULCH. AGRICULTURAL GRADE LIMESTONE SHALL BE APPLIED AT 90LB5/1000SF,
INCORPORATED INTO 771E TOP 4-6 INCHES OF SOIL. FERTILIZER SHALL BE APPLIED AT
1000LBS ACRE AND CONSIST OF A 10-20-10 NUTRIENT MIX. PERMANENT
SEEDING SHAL
L
BE APPLIED AT 180LBS/ACRE AND CONSIST OF 95X KENTUCKY 31 OR TALL FESCUE AND
0-5X PERENNIAL RYEGRASS OR KENTUCKY BLUEGRASS. STRAW MULCH 1S TO BE APPLIED
AT 80LBS/100SF. ALTERNATIVES ARE SUBJECT TO APPROVED BY THE COUNTY EROSION
CONTROL INSPECTOR.
19. MAINTENANCEE., ALL MEASURES ARE TO BE INSPECTED WEEKLY AND AFTER EACH
RAINFALL. ANY DAMAGE OR CLOGGING TO STRUCTURAL MEASURES 1S TO BE REPAIR
IMMEDIATELY.: SILT TRAPS ARE TO BE CLEANED WHEN 50% OF 774E WET STORAGE VOLUME
IS FILLED W17H SEDIMENT. ALL SEEDED AREAS ARE TO BE RESEEDED WHEN NECESSARY
TO ACHIEVE A GOOD STAND OF GRASS. SILT FENCE AND DIVERSION DYKES WHICH ARE
COLLECTING :SEDIMENT TO HALF THEIR HEIGHT MUST BE CLEANED AND REPAIRED
IMMEDIATELY.;
20. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE REMOVED
WITHIN 30 DAYS OF FINAL SITE STABILIZATION, WHEN MEASURES ARE NO LONGER NEEDED,
L BY E COUNTY EROSION CONTROL INSPECTOR.
SUBJECT TO APPROVAL THE NTY RO ON
21. THIS PLAN SMALL BE VOID IF 774E OWNER DOES NOT OBTAIN A PERMIT WITHIN 1 YEAR OF
THE DATE OF APPROVAL. (WATER PROTECTION ORDINANCE SEC77ON 17-204G.)
22. PERMANENT VEGETA7ION SHALL BE INSTALLED ON ALL DENUDED AREAS WITHIN NINE (9)
MONTHS AFTER THE DATE THE LAND DISTURBING AC77WTY COMMENCED. (WATER
PR07EC77ON ORDINANCE SEC77ON 17-207B)
SOIL .DESCRIPTION
4E - ASHE LOAM, 25Z TO 45X SLOPES SOIL IS SOMEWHAT EXCESSIVELY
DRAINED, WITH MORE 774AN 80 IN. DEPTH TO 774E WATER TABLE. MADE
FROM RESIDUUM WEATHERED FROM GRANITE AND GNEISS, THIS SOIL HAS
CONVEX 00MV AND ACROSS -SLOPE SHAPE. THIS SOIL HAS NO
FREQUENCY OF PONDING OR FLOODING AND A VERY LOW TO HIGH KSAT
WITH MODERATE LOW WATER CAPACITY.
7B - BRADDOCK CLAY LOAM-2X TO 7X SLOPES. SOIL IS WELL DRAINED, WITH
MORE THAN 80 INCHES TO THE WATER TABLE. MADE FROM ALLUVIUM
AND COLLUWUM DERIVED FROM ACID CRYSTALLINE ROCKS, 7N/.S SOIL HAS
CONVEX 0OWIV-SLOPE AND LINEAR ACROSS -SLOPE SHAPE. NO
FREQUENCY OF PONDING OR FLOODING, HIGH WATER CAPACITY, AND
MODERA TEL Y HIGH TO HIGH KSA T.
37C3 - HAYESVILLE CLAY LOAM-7X TO 15X SLOPES SOIL IS WELL DRAINED,
WI774 MORE THAN 80 INCHES TO 774E WATER TABLE. MADE FROM
RESIDUUM WEATHERED FROM GRANITE AND GNEISS, 774IS SOIL HAS
CONVEX DOWN -SLOPE AND CONVEX ACROSS -SLOPE SHAPE. NO
FREQUENCY OF PONDING OR FLOODING, HIGH WATER CAPACITY, AND
MODERA7ELY HIGH TO HIGH KSAT.
REFERENCE. • WEB SOIL SURVEY ONLINE DATABASE, FOUND AT
h ttp: //ivebsoilsurvey.nres. usda. govlappIWebSoilSurvey. aspx
+14
CONTROL MEASURES:
_EROSION AND SEDIMENT CONTROL MEASURES:
IT IS AN77CIPATED THAT A CONSTRUCTION EN7RANCE, CULVERT INLET
PROTECTION, U77LITY STREAM CROSSING, RIGHT OF WAY DIVERSION, DIVERSION
DIKE, OUTLET PROTECTION, INLET PROTECTION, TREE PR07EC77ON AND SILT
FENCE WILL BE INSTALLED TO CONTROL SURFACE DRAINAGE. TEMPORARY
SEEDING WILL BE USED IMMEDIATELY FOLLOWING ALL LAND DISTURBANCE
ACTIVITIES TEMPORARY STOCKPILE AREAS WILL BE MAINTAINED FROM TOPSOIL
THAT WILL BE S7RIPPED FROM AREAS TO BE GRADED AND STORED FOR LATER
SPREADING. STOCKPILE LOCA77ONS SHALL BE ON S17E AND SHALL BE STABILIZED
WITH A TEMPORARY VEGETATIVE COVER. PERMANENT SEEDING WILL BE
PERFORMED FOR ALL AREAS WHICH WILL NO LONGER BE EXCAVATED AND WHERE
CONSTRUCTION AC77VI77ES HAVE CEASED. PERMANENT SEEDING SHALL ALSO BE
PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR A
YEAR OR MORE. SELECTION OF SEED MIXTURE WILL DEPEND ON THE TIME OF
YEAR APPLIED. TEMPORARY SEEDING WILL BE PERFORMED FOR ALL DENUDED
AREAS WHICH WILL BE LEFT DORMANT FOR MORE THAN SEVEN DAYS. THESE
AREAS SHALL BE SEEDED WITH FAST GERMINA 77NG VEGETA 7701V IMMEDIA TEL Y
FOLLOWING GRADING OF THOSE AREAS SELECTON OF SEED MIXTURE WILL
DEPEND ON THE 77ME OF YEAR APPLIED.
3.02 CONSTRUCTION ENTRANCE - ONE CONS7RUCTION ENTRANCE SHALL BE
INSTALLED. THIS WILL BE THE ONLY POINT OF INGRESS AND EGRESS TO THE
S17E: CARE WILL BE TAKEN TO PROTECT ADJACENT ROADWAYS FROM TRANSFER
OF SEDIMENT.
3. 05 SILT FENCE- SILT FENCE WILL BE PLACED ON THE DOWNSTREAM SIDE OF
DISTURBANCE WHERE NOTED ON 774E PLANS.
3,07 STORM DRAIN INLET PROTECTION- 1P WILL BE INSTALLED ON EACH
PROPOSED INLET AS SHOWN ON THE PLANS.
3.08 CULVERT INLET PRO7EC770N- CULVERT INLET PR07EC71ON WILL BE
INSTALLED ON 774E UPHILL SIDE OF THE PROPOSED CULVERT BENEATH THE
CONNECTOR ROAD.
3.09 TEMPORARY DIVERSION DIKE- DIVERSION DIKES WILL BE USED AROUND THE
PERIMETER OF S17E DISTURBANCE WHERE SHOWN ON THE PLANS TO DIRECT
RUNOFF TO ON -SITE SEDIMENT CONTROL FACILITIES.
3.11 lE'MPORARY RIGHT-OF-WAY DIVERSION- A TEMPORARY RIGHT-OF-WAY
DIVERSION IS PROPOSED AT THE CONSTRUCTION ENTRANCE, LOCATED ON THE
CONNECTOR ROAD.
3.16 OUTLET PROTEC774N- TO BE PROVIDED AT THE OUTFALL OF DRAINAGE
PIPES WHERE SHOWN ON PLANS
3.19 RIPRAP RIPRAP SHALL BE INSTALLED AS OUTLET PROTECTION WHERE
SHOWN ON THE PLANS, AS WELL AS AT THE UTILITY STREAM CROSSING
TRANSITIONS.
3.25 U77LITY STREAM CROSSING- A U77LITY STREAM CROSSING 1S PROPOSED FOR
THE CONNECTOR ROAD's PROPOSED CULVERT.
3.31 TEMPORARY SEEDING- TEMPORARY SEEDING SHALL BE APPLIED WHERE
SHOWN ON THE PLANS.
3.32 PERMANENT SEEDING- PERMANENTLY SEEDING SHALL BE APPLIED WHERE
SHOWN ON 774E PLANS
3.36 SOIL STABILIZATION BLANKETS AND MATTING- SOIL STABILIZA7ION
BLANKETS AND MATTING ARE PROPOSED FOR THE FILL SLOPES ASSOCIATED WITH
THE CONNECTOR ROAD's STREAM CROSSING.
3.38 TREE PRESERVATION AND PROTECTION- TREE PRESERVA77ON FENCING
SHALL BE INSTALLED WHERE SHOWN ON THE PLANS. NO TREES SHALL BE
HARMED OUTSIDE OF THE LIMITS OF TREE PROTEC770N FENCING.
3.39 DUST CONTROL- DUST CONTROL SHALL BE APPLIED THROUGHOUT THE S17E
WHERE SHOWN ON THE PLANS
STORMYVA7ER MANAGEMENT
STORMWATER QUAN77TY AND QUALITY COMPLMANCE IS MET THROUGH THE USE OF
SWM FOREST & OPEN SPACE EASEMENTS AND WET PONDS. SEE APPROVED
FOOTHILL CROSSING AMENDMENT #3 VSMP PLANS AND CALCULA77ONS.
MAINTENANCE
IN GENERAL, DURING CONSTRUCTION THE RLD OR CONTRACTOR ON -SITE WILL CHECK
ALL EROSION AND SEDIMENT CONTROL MEASURES DAILY AND AFTER EACH
SIGNIFICANT RAINFALL. MONITORING REPORTS )WILL BE REQUIRED FROM 774E RLD IF
NEEDED. SPECIFIC ATTENTION WILL BE GIVEN TO THE FOLLOWING ITEMS.•
a. SEDIMENT BASINS WILL BE CLEANED AND MAINTAINED IN ACCORDANCE WITH THE
ENT CONTROL HAND
BOOK.
& SEDIMENT
VIRGINIA EROSION D M
&ALL INLET PR07ECT70N AND GRAVEL OUTLETS WILL BE CHECKED REGULARLY FOR
SEDIMENT BUILDUP THAT WILL PREVENT PROPER DRAINAGE. IF THE GRAVEL IS
CLOGGED BY SEDIMENT, THE GRAVEL WILL BE REMOVED AND CLEANED, OR IT WILL
BE REPLACED.
c. ALL SILT FENCE BARRIERS WILL BE CHECKIED REGULARLY FOR UNDERMINING OR
DETERIORA77ON OF THE FABRIC AND REPAIIRED AS REQUIRED. SEDIMENT SHALL
BE REMOVED WHEN THE LEVEL OF SEDIMENT T DEPOS177ON REACHED HALF WAY TO
THE TOP OF THE BARRIER.
d. ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO SEE 774AT A GOOD STAND
D RESEEDED AS NEEDED.
AREAS SHOULD BE FER 17LIZED AN IS MAINTAINED. AR H
IN CASE OF EMERGENCY, THE PRIMARY CONRACT FOR THE PROJECT WILL BE THE RLD
OR CONTRACTOR ON -SITE. THE CONTRACTOR' WILL BE DETERMINED AT THE 77ME THE
CONTRACT IS AWARDED. IN ADD177ON 774E OWNER MAY BE CONTACTED, MR. ALAN
TAYLOR. UPON COMPLE77ON OF THE PROJECT THE OWNER WILL BE RESPONSIBLE
FOR S17E MAINTENANCE.
_- _
CURB INLET
a
gwf
'wi�"'�CVIVCRETF BLI
I- 15 COARSEAGGREGATE.
BLOCK '; INLET -
k
SEDIMENT i 0
,. SCALE
TABLE 3.31.B
ACCEPTABLE TEMPORARY SEEDING PLAN'P MA'TERIAI S
"QUICK REFERENCE FOR ALL REGIONS'
Rate
PIS ling Dates
Species
lbs. acre
Sept. I - Feb. 15
50/50 Mix of
Annual RY � e rass
Lolium mu} i-fl mm
&
50 - 100
.
Cereal (Winter) Rye
(Secale cereale)
Feb. 16 - Apr. 30
Annual Ryegrass
60 - 100
-flora )
May 1 - .Aug 31
German Millet
50
(Sctaria italica)
Sourcc: Va. DSWC
PURPOSE
THE PURPOSE OF THIS LAND -DISTURBING ACTIVITY IS TO EXTEND THE CONNECTOR ROAD TO JOANNA STREET.
774E TOTAL ACREAGE TO BE DISTURBED OUTSIDE OF THE PREVIOUSLY APPROVED LIM17S OF DISTURBANCE IS
0.33 ACRES.
E=77NC SITE 0NDI77ON5:
THE EXIS77NG PARCEL IS VACANT AND HILLY. THERE IS AN EXIS77NG STREAM THAT RUNS ALONG THE
SOUTHERN SIDE OF THE PARCEL. THE STREAM FLOWS WEST TO EAST ALONG THE PROPERTY LINE. THE S17E IS
GENERALLY WELL DRAINED AND SLOPES FROM THE NORTH TO THE SOUTH. EROSION AND SEDIMENT CON7ROL
MEASURES HAVE BEEN DESIGNED TO CONFORM TO THE EXISTING S17E SLOPE AND PR07E'CT THE PERIMETER
S7REAMS AND ADJACENT PROPERTIES.
ADJACENT AREAS:
THE SITE /S POS177ONED BETWEEN GLENBROOK AT FOOTHILLS SUBDIVISION TO THE WEST, THE APPROVED AND
UNDER CONSTRUCTION CONNECTOR ROAD TO THE NORTH, FOOTHILL CROSSING SUBDIVISION TO THE EAST AND
THE CONNECTOR ROAD's STUBOUT FROM JOANNA STREET TO THE SOUTH. THE GLENBROOK AT FOOTHILLS
SUBDIVISION IS CURRENTLY VACANT AND UNDER CONS7RUC770N. 774E FOOTHILL CROSSING SUBDIVISION AND THE
LOTS LOCATED ALONG JONNA STREET ARE OCCUPIED.
OFFSITE LAND DIS 771 BANCE:
THERE IS MINIMAL OFFSI7E LAND DISTURBANCE REQUIRED MT14 7741S PLAN, 774E OFFSI7E DISTURBANCE SHALL
BE LIM17E'D TO PUBLIC RIGHT-OF-WAY AND THE EXISTING TEMPORARY GRADING EASEMENT (DB 4077, PG, 175).
CRl ML AREAS:
NO PRESERVED STEEP SLOPES ARE PROPOSED TO BE IMPACTED. STREAMS, S77?EAM BUFFERS, SWM FOREST &
OPEN SPACE EASEMENTS AND OCCUPIED RESIDEN77AL LOTS ARE TO BE PROTECTED.
SOILS:
SEE SOIL BOUNDARIES AND NAMES ON THE PHASE I EROSION AND SEDIMENT CON7ROL PLAN, AND THIS SHEET
FOR THE SOIL DESCRIPTIONS
SEQUENCE OF COIVSTRUC710N.
1. N077FY ALBEMARLE COUNTY TO SCHEDULE A PRE-CONS7RUC7ON MEE77NG AS REQUIRED.
2. NO EROSION CONTROL MEASURES MAY BE REMOVED DURING 774E CONS7RUC770N PROCESS WITHOUT THE
APPROVAL FROM THE ESC INSPECTOR ON THE PROJECT.
J. CONTRACTOR SHALL IDEN77FY THE LIMITS OF DISTURBANCE AND THE SWM FOREST AND OPEN SPACE
EASEMENTS AND INSTALL TREE PR07EC77ON TAPE ALONG THE BOUNDARIES. THE CONTRACTOR SHALL
INSTALL TREE PROIEC77ON FENCING WHERE INDICATED ON 774E PLANS BEFORE ANY S17E DISTURBANCE
SHALL TAKE PLACE. CONTRACTOR SHALL ENSURE THAT 7REES TO BE SAVED ARE FLAGGED ALONG THE
LIMITS OF CLEARING. M177GA77ON PLAN77NGS SHALL BE INSTALLED W17HOUT ANY CLEARING OF EXIS77NG
TREES
4. INSTALL THE PAVED CONS7RUCTION ENTRANCE WIN WASH RACK AS SHOWN ON THE PLANS.
CONSTRUCTION ENTRANCE TO BE INSTALLED WHERE CONSTRUCTION VEHICLE ROUTE'S INTERSECT PAVED
PUBLIC ROADS, PROVISIONS SHALL BE MADE TO MINIMIZE THE TRANSPORT OF SEDIMENT BY (VEHICULAR)
TRACKING ONTO THE PAVED SURFACE. WHERE SEDIMENT IS TRANSPORTED ONTO A PUBLIC ROAD .
SURFACE, THE ROAD SHALL BE CLEANED THOROUGHLY AT THE END OF EACH DAY. SEDIMENT SHALL BE
REMOVED FROM 774E ROADS BY SHOVELING OR SWEEPING AND TRANSPORTING TO A SEDIMENT CONTROL
DISPOSAL AREA. S7REET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN 7HIS
MANNER. INSTALL THE WASH RACK UPHILL FROM EXIS77NG FOOTHILL CROSSING SEDIMENT BASIN #3. A
DIVERSION SHALL BE INSTALLED DIREC77NG RUNOFF FROM THE WASH RACK, CONSTRUCTION ENTRANCE AND
RIGHT-OF-WAY DIVERSION TO THE EXISTING FOOTHILL CROSSING SEDIMENT BASIN. ACSA WILL DETERMINE
774E APPROPRIATE METHOD OF SUPPLY
ING WATER TO THE WAS C G H RACK, PARKIN AND CONS UC TR T70N
ENTRANCE AREAS SHALL BE CLEARED OF ALL VEGETATION, ROOTS, OR OTHER OBJEC77ONABLE MATERIALS
BEFORE CONSTRUC7ION ROAD STABILIZA77ON IS INSTALLED,
5. INSTALL THE INITIAL CONS77?UC77ON MEASURES AS SHOWN ON 7HE PHASE I EROSION CONTROL PLAN
SHEETS 7HIS INCLUDES SILT FENCE, CULVERT INLET PR07EC77ON AND THE DIVERSION BERMS.
STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, BERMS, AND
DIVERSIONS IMMEDIATELY AFTER INSTALLATION. MEASURES INTENDED TO TRAP SEDIMENT SHALL BE
CONSTRUCTED AS A FIRST STEP WITH ANY LAND DISTURBANCE AC77WTY AND SHALL BE MADE FUNC77ONAL
BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE.
6. INSTALL ANY REMAINING EROSION CONTROL ITEMS AS SHOWN ON 774E PHASE I EROSION CONTROL PLAN.
THIS INCLUDES THE U77LITY STREAM CROSSING. THE CONTRACTOR SHALL BEGIN BY DIVER77NG THE STREAM
IN ACCORDANCE W7774 THE DETAILS SHOWN ON SHEET J. AFTER DIVER77NG THE STREAM AND OBTAINING
THE ESC INSPECTOR's PERMISSION, THE CONTRACTOR CAN INSTALL THE PROPOSED CULVERT AND CULVERT
INLET PROTEC770N.
Z ONCE ALL THE EROSION CONTROL ITEMS HAVE BEEN INSTALLED AS SHOWN ON THE PHASE / EROSION
CONTROL PLAN AND THE INSPECTOR HAS APPROVED THE EROSION CONTROL MEASURES, THE CONTRACTOR
CAN BEGIN GRADINGOPERATIONS. PE RATIONS. THE SH LL CONTRACTOR A ENSURE THE EROSION
&SEDIMENT COPI7ROL
MEASURES SHOWN ON THE PHASE ll EROSION CONTROL PLAN SHEETS ARE INSTALLED. MEASURES
INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP WITH ANY LAND DISTURBANCE
A077V7TY AND SHALL BE MADE FUNC77ONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE.
8. THE CONTRACTOR SHALL ROUGH GRADE THE ROAD AND ITS TIE --IN SLOPES TO THE CONTOURS SHOWN ON
THE EROSION CONTROL PLAN.
9. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN SE'JEN
DAYS AFTER FINAL GRADE IS REACHED ON ANY POR7701V OF THE SITE: :TEMPORARY SOIL STABILIZA7ION
SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY MOT BE AT FINAL GRADE sIUT WILL
REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 3O DAYS PERMANENT STABILIZA7ION SHALL BE
APPLIED D T AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR.
10. THE CONTRACTOR CAN THEN BEGIN INSTALLING THE PROPOSED U77LI77ES, CURB AND GUT7ER, STORM
SEWER AND THE CONNECTOR ROAD. IMMEDIATELY FOLLOWING 774E INSTALLA77ON OF THE DROP INLETS,
INLET PR07EC77ON SHALL BE INSTALLED. INLET PR07EC77ON SHALL BE INSPECTED AFTER EACH RAINFALL
EVENT AND REPAIRS SHALL BE MADE AS NEEDED. IF THE STONE FILTER BECOMES CLOGGED WITH
SEDIMENT SO THAT IT NO LONGER ADEQUATELY PERFORMS ITS FUNCTION, THE STONE MUST BE PULLED
AWAY AND CLEANED AND/OR REPLACED. INSTALL ANY REMAINING EROSION CONTROL 17EMS AS SHOWN
ON THE PHASE Il EROSION CONTROL PLAN.
11. NO 17E'M SHALL BE REMOVED UNLESS THE UPS7REAM AREAS ARE STABILIZED AND THE INSPECTOR GIVES
PERMISSION. I N.
12. MAINTAIN ALL EROSION CONTROL MEASURES AS SPECIFIED IN THE VIRGINIA EROSION AND SEDIMENT
CONTROL HANDBOOK, REMOVING ONLY WHEN APPROVED BY THE LOCAL PROGRAM ADMINISTRATOR IN
ACCORDANCE WITH THE ORGINIA EROSION AND SEDIMENT CON7ROL HANDBOOK.
13 ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS AFTER
FINAL S17E STABILIZA7ION OR AFTER THE TEMPORARY MEASURES ARE NO LONGER NEEDED, UNLESS
07HERWISE AUTHORIZED BY THE LOCAL PROGRAM ADMINIS77?ATOR. TRAPPED SEDIMENT AND THE DISTURBED
SOIL AREAS RESUL77NG FROM THE DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANENTLY
STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENTATION.
TABLE 3.32•A
ADHESIVES USED FOR. DUST. CONTROL
Water Application
Dilution Type. of Rate
Adhesive (Adhesive: Water) Nozzle Gallons/Acre.
Arlionie
Asphalt Emulsion 7:1 Coar$0 Spray 1,ZUU,
Latex Emubion 12.5:1 Fine. Spray 235
Resin in Water 4:1 Fine Spray 300
AeryliC Emulsion
(NTon-Traffic) 7:1 Coarse Spray 450
Acrylic Emulsion
(Fral4c) 35;1 Coarse Spray 350
Source: Vu. DSWC
TOTAL I LOS
GENERAL s19PE (11 OR LMI PER
KENTUCKY 31 FESCUE 128 LBS.
RED TOP GRASS 2 LBS.
SEASONAL NURSE CROP 20 LBS.
SEMNAL NURSE CROP 150 LBS
FEBRUARY 16 THROUGH APRIL ANNUAL RYE
MAY 1 THROUGH AUGUST 15 FOXTAIL MILLET
AUGUST 16 THROUGH OCTOBER ANNUAL RYE
NOVEMBER THROUGH FEBRUARY 15 WINTER RYE
NOTES:
1. LIME AND FERTILIZER NEEDS SHALL BE DETERMINED BY SOIL
TESTS AND APPLIED IN ACCORDANCE WITH VESCH STD. 3.32.
2. SEEDINGS TO BE MULCHED IMMEDIATELY UPON COMPLETION
OF SEED APPLICATION, IN ACCORDANCE W/ VESCH STD 3.35.
PS PERMANENT SEEDING SCHEDULE
NO SCALE
(STD. & SPEC. 3.32 OF VIRGINIA EROSION &
SEDIMENT CONTROL HANDBOOK, 3RD ED.)
1. SET POSTS AND EXCAVATE A 4"X4"
7RENCH UPSLOPE ALONG THE LINE
OF POSTS.
r -
FLOW
2. STAPLE WERE FENCING TO THE POSTS.
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LEGEND CE CONSTRUCTION ENTRANCE PER VESCH 3.02
LIMITS OF LAND DISTURBANCE
DIVERSION CHANNEL CROSSING Rt w `� � � ' / f / SF SILT FENCE PER VESCH 3.05
77
fww I- - i /,/I / 4 DIVERSION DIKE IP INLET PROTECTION PER VESCH 3.07
'N, 16
FC404ER LOCA11011 N . I
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SUBAREA
-AL
5EE FLAIF, 3.Z5Z N-,
FOR CROSS-$F"0?.4lJ 4/ DIVERSION DIKE PER VESCH 3.09 No. 35791
0
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A-4 SILT FENCE
RIGHT OF WAY DIVERSION PER VESCH 3.11
I, N_ (9
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VEWULAR 5TREAN TREE PROTECTIONEms' z
cRom4w, N, OUTLET PROTECTION PER VESCH 3. 18 LLI I(ITOSI.E11- Ja4 N_ I /A DIRECTION OF FLOW 0
LQ"TW AT RIPRAP PER VESCH 3.19
Fri PON
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_654- PROPOSED CONTOUR UTILITY STREAM CROSSING PER VESCH 3.25 LLJ
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0
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/Z. INLETPROTEC77ON 0
'A
PERMANENT STABILIZATION PER VESCH 3.32
?Jl� I S 1\� B. SOIL STABILIZATION & MATTING VESCH PER 3.36
Z.
TREE PROTECTION & PRESERVATION PER VESCH 3.38 0
SOILS LINE
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DUST CONTROL PER VESCH 3.39
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DIVERSION CHANNEL CROSSINC �OVEtAENT•
p 'MENT�ASIN 93 Is SIZE H
ACCEPTABLE LININGS ZN� PRO OSED IMP HE BASIN SHALL
(CROSS SECTION A -A OF PLXVEsue Bji-dLEANED & REPAIREI - R 6
TIE ES 16TOR T
ETC
rotiihyc-DISCRETION OF f.'INS�F R )� EN
.12, MK SE, KZS I Hy- AUJACNT WATERWAY
SILT FENCE POST SLT FENCE, 1v E \ \ O/ ` '1 f \ � � �y � wit:'%", ` `' ...
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'4 F, Cp 41
TYPE A DIVERSION Pp
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GRASS LJNIR 41
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EX17ING GRQUNO 0
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TYPE B DIVERSION z \_A��ROV•EP FOU LL-\ ._PROPOSED LIMITS OF OISTURBANCE rz
1, -TO 41
IPRqPOS�D (�ss6plATED WITH T�IS PLAN)
CRO§SING SUEk. SITIJN INr,..,i, E-IN APEA & Tp BE
RMP FUER CL01H P�AASES-k) AN EX I THE PREVIOUSLY
OT PART OF' \7tiw AP�JRC TURBANCE. >
EXISTIM WOUND
�XALHATIONALPRXPOSEI' LIMITO'OF
�\ � DISTUF
D ' ' P 6SEO 814T
F��E% PCI q wl r I z (3) III L
F L9
(D
RACKING >
EXISTING SBA f,)A= 5.82 ac.
TYPE C DIVERSION
THIS�PHASE's SB DA= 5.48 ac. 0 E A IGN cy
X
IMEN� AF TRE M
RIPRAP FILTER CLOTH W ICE T cUSCyi CL
tk'L 41 41
KCK 0,7R RMVE%o ONkR 0)
Y4 c UJ
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APROVE61 IMITS OF DISTb! ANCE" �SUBM
EXISTING GROUND L_
'.1 1 - Z3
EXISTING GROUND 1, f - J� I N FW- CL
•FROPOS�D PAVED 11 S! x S M >1
CONSTRUCTION RUCTION ENI�iANCE
PROV D'GLENBROOP zCs
, K/P
(12' WAS RACK OF THIS PLAN' PROPOSED WORK.
fist A
at
S SUBD
4 6' WHIMUN OR 1000TH Or C)OVINI SIR . EAU W41C.HWEN r� Wi$ ART OF THI' t��N) ROP N
PA IN D SILTate^ C:)
ENTRENCH SiLr retia AND FjL7ER wvi w s,1E TRFNCt TIN111" w
TAGI G AR�A 6 1ky I S (D 9
Sf�
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pq Accr - Source: Adapted from VDOT Standard Sheets Plate, 3:25-2 Qr
"i gm -A
)1�1 TYf E P
INSTALLATION NOTQjmil
-
�_J
1. CONTRACTOR SHALL INSTALL AND MAINTAIN A STREAM FLOW DIVERSION PER 7'is
STREAM FLOW DIVERSION EMBANKMENT 1 AND 3.25-2 DURING
TO BE EXISTING UNDISTURBED EARTH, DIVERSION CHANNEL CROSSING VESCH DETAIL 3.25 LLF iy z
OR NON -ERODIBLE, WATERTIGHT ENTIRE CULVERT CONSTRUCTION OPERATION. Al"
MATERIAL STREAM 41
2. SILT FENCE SHALL BE INSTALLED ON BOTH SIDES OF THE PROPOSED R�
DIVERSION CHANNEL. THE CONTRACTOR SHALL INSTALL AND ADJUST SILT ED/E� low vr_
SF APPR I S' G\\ CL
0 FENCE AS NECESSARY TO PREVENT SOIL FROM ENTERING STREAM. RIPRAP 0 -1, 1� 110
ST D VIIQP(�SE UULVIEff. >
SHALL BE PROVIDED WITHIN THE EXISTING STREAM BED AT THE TRANSITION
0
FROM THE EXISTING STREAMBED TO THE PROPOSED DIVERSION CHANNEL, AND HIS SHEETS 3 �4, OF Tol=�SAE I�
-1.09 ac. j 170�1 - S.
AT THE TRANSITION BACK FROM THE DIVERSION CHANNEL TO THE EXISTING 0- z
X. GROUND L CULVERT AN APPROVED FLOW BARRIER (SANDBAGS, PLYWOOD, JERSEY z, I IV
STREAMBED. I - EXIST/G 2 EMP94RY dRAOING AZ
BMRIER. OR EQUIVALENT) WILL HE INSTALLED BEHIND THE RIPRAP TRANSITION. -0, J) U Lu 0
DIVERTED STREAM I EA�EME (DB 4077. P9,175) FO
X J I EC N 0 UJ CHANNEL WITH TYPE 3 1 11 ROAD 9ONNI C
PERFORMED IN THE STREAM (CONSTRUCTION OF DIVERSION SHALL BE -c9Ns7rRUCTIdN. -EAS-EMEW Ly'
THE DIVERSION CHANNEL CROSSING MU57 BE OPERATIONAL BEFORE WORK IS "'ARRI T
(LOOKING WEST) B LINING (SEE DETAJL 8 S'O V CAT W�EN FRA BE
N.T.S. /�EQUIV
3.25-2 THIS SHEET) IN THE DRY-). 15'1 5'W 2' D ENT) LI D Z
------ JN I KAU I UKj6FIALL DIVERT RUNOFF
PROPOSE411-T
PERFORMED z
P PROPOSED FENCE wpWIRE_ FRO q THE DIVERSION INTO TH�/ PROPOSED RI R�, CO L�TEOI 7
4. UPON COMPLETION OF THE CULVERT CONSTRUCTION AND WITH INSPECTOR Z
STREAM DIVERSION DURING CULVERT INSTALLATION DETAILS BACI,�ING rujinapi-4 I yjASIN. DIIERSION SHALL RA SITIOh P D L ITS &DIS URBAN,91E CL
rZ IV I flILLO I VSMP
APPROVAL, THE CONTRACTOR SHALL REMOVE THE STREAM DIVERSION AND DUMPSTER. L_
LOCAT REMAIN Ft4NCTIONAL AS LONGIAS 0 U)
ALLOW STREAM FLOW TO RESUME THROUGH THE CULVERT. ION PO�SIB�E. THr= DIVERSION SHALL'qNLY SED SILT AKAE ME T #3. w I
IT"10 - BE FENCJE w/ WI
777� -7 1-111, - - - _- " , -, PROPOSED PORT --eRUPOSED FUE�)NG AREA I LOCATIN. THII EM9VED OR MODIFIED AFT H 06
ESC 0
'COLVERT INSTALONESC PLAN`" POTTY LOCATIONS HA COMPLETELY ffs A70VAL. y BACKING7 u 0
FULLING TANK
SURROUNDED HALL
B WIDE �ARTHE� >1
.SCALE: INS S �12 DEEP129 LLJ z
BERM WITH A H LYIETHYLE E
Y N NE LIMITS OF swm FQREST AND
`LANING. THE PROPOSED BEf M SHALL qONTAI�
OPEN SPACE PROTECTION S
FUEL IN WENT OF A SPILL. CONMACTOR
S S
AREAS IN THE VJC[NiWbF THIS
A
SHALL ENSURE BERM VOLU�E IS 10% LARGER
U) PLAN's CONSTRUCTION SHA� 0
POSED RIPRAP z
THAN THE MAXIMUM VOLUME OF STORE FUEL. BE FLAGGED WITHJREE
PROTFCTION TAPE AND
PRO
7ATT q. Ulbi
USC PROPOSED ALIGNMENT OF STREAM bi
__!�NSITION_ DIVERSION WHILE CULVERT IS INSTALLED OTECTED-AT ALL TIMES. LLJ
iOVED SANITARY Lu z
PPF
111 Lli w z
LOC'ATION APPROVED SEDI M\ENT I" 1�11 I/ )i I U)
S .. ..... TRAP UNPER FOO�HILLS 11 SOIL.. TYPE
(n
VSMP AM=Tr THIN A SV�,M AN AR S DISTURBD WI
'Wp' Y w
F RE T AND OPEN PPACE EASEMENT
U U)
UNDER P DURI TG CONSTRUCTION SHALL �E
RESTO91ED PER D ION
NO. 4, SOIL CC RCI BMP SPECIFIC�ATI 0
A PRO ED .1111ER.�,N IRI 7G
DER OOTH'LLS
lk VSMP AMENDMENT' 3 )MPOST AMENDMENT. TYP.,/ C)
I (WPO 20I 0020) - IV
PARCEL LIMITS CL
0
E TYP.
yr.IF , �_.&?PROV �SILTFEN rL
DSW�FOR T
'�,N Fit FOOTHILLS 11 P
AMW?MENT#3
SPACE ESMT. 0
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P 201700020) 2
111 M, Rp
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LINE Olt v C:) x
N0 EXISTINkG TREE MV,
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0111111"
EXIS ING I -E-_ �
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);00`WPO STKEA STREAM LL_LE-_-
SOILTYPE� •N
37C3 BUFFER,TYP./ Rt
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PROPOSED FLOW BARRIER _LLL
LL TRANSITION-_ I--- - PRO J, rLx U.
6A=,L1: _L LLLL TYR DARY\, E
(SANDBAGS, PLYWOOD, JEWY - ------ LLLL 0
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�GRAPHIC §,CALE, W
112066
25 60 loa 200"/
_LLL_L_ 01 1 1 SCALE
\ AS SHO
4*4 WN
L'�ILL SHEET NO.
g ET FE g 0 ft. 3
STORMWATER MANAGEMENT NOTE:
THE IMPROVEMENTS ASSOCIATED WITH THE PROPOSED
CONNECTOR ROAD's EXTENSION / CONNECTION TO
EXISTING EASTERN DRIVE WERE TAKEN INTO
CONSIDERATION WITH THE APPROVAL OF THE FOOTHILL
CROSSING 11 VSMP AMENDMENT #3 PLANS. THESE PLANS
ALLOWED FOR THE DEVELOPMENT OF GLENBROOK & THE
CONNECTOR ROAD CONSTRUCTION. WATER QUALITY
COMPLIANCE WAS ACHIEVED THROUGH THE MASTER
PLANNED DEVELOPMENT / INSTALLATION OF TWO LEVEL 11
WET PONDS IN THE GLENBROOK AT FOOTHILLS
SUBDIVISION, ONE LEVEL I WET POND IN THE FOOTHILL
CROSSING SUBDIVISION AND THROUGH THE USE OF
PERIMETER SWM FOREST & OPEN SPACE EASEMENTS.
WATER QUANTITY COMPLIANCE WAS ACHIEVED THROUGH
'THE USE OF THE THREE WET PONDS' ATTENUATION.
ALSO, A SIGNIFICANT PORTION OF THE PROPOSED
CONNECTOR ROAD EXTENSION IS TREATED BY THE
APPROVED FOOTHILLS CROSSING LEVEL I WET POND.
0 0V
r -11
THE LA TifN(G STOCK OCK
T
EQ VERALL PLANNAREAS
BE USED Fdq THIS PLAN'E
TRUCTION
rHi SAPP.
Y
/42
SCOTT S COLLINS�?O,
D
E No. 35791
LINSC�
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IGNMFNTA IN 3 IS AEd(EQIJATE
PROPOSEDIM
PROVEVENT HE BASIN SHALL
13,6-6LEANED & REPAIRED
ASNE E)y
_..DISCRETION OF TIE ESIt TOR TSENSUR
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aauI ra Pv 1jDPOSF %
V T�61TIQN I ROADf'E�INERE'r�� BE
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AN EXTENSIONH3PART OF Tf 1:-31 OF STURB,�NCE.
F ~SLING,
'
'RISES OF
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APPROVED \'I IMI TS OF DIST6 BANC\E\, �F
UNDER �OOTHILLS 11 :3
E) FROP06�1) PAYED rL
CON�TRUCTIQN ENTRA A ENDMEN1X3 (WPO 20170r. co
tICE ENCOMPASSE THE VAST MAjrR0jT)y W9 >1
[12'x70`IMIN.)WI HWA-SH PACK z
FOO*tLS SUBD:I OF THIS PLAN' PROPOSED WORK. <
(NOT ART OF TI • PROPOSED IPROP, CN —j
PA ING TACt.
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AR�A ENCE wl WIRE C3
BACKING CN
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PR08E LO EXISTIEM RY GRADING u w EA§EME B,4077. P 175) FOI�/ A
PLYWOOD, it THE�PRQ ROAD ONNgg�E�N 0 Lu
BARRIERS, utj BENT TO BE
5'W 2- E) WASOUT qdONCRREA VIA A RWD OR VIA T CAT D W EN R CO PROPOSED ECTION 0
------ PROPOSED Rl�
LJ
FENCE %% 'TOR� SEWER'�DE 146 PROPOSED & PENDI ON T 0 C%
I R
ASE PF THE CONSTRUC ION. AT TRASI I lur,4 BAN,,& CL
1 0
HEiDIVERSION 51-JALL REM UNOER f OOT LLS MP 1 1-
BACK F w
DUMP6T-E=R- U RENTPH
2/7 �9- LOCA710N A L ROPqSED SIL A ENDME�T I vs 0)
PROPOSED PO LONQ�AS POS§IBLE. THE'DIVERSION �N 0) 0 -0
ROPOSED FUELING AREA LOCATI ONI�Y BE REMOVED OR,MODIFIE t SF FU=LVRT INSTAL ON ESC PLAN POTTY LOCATIONS N. THII� S ALL w U 06 41
NvisrsDEEP12' DE AR HROYAL :k.
B7CKwj1NG1 0
E: 1 FUELING TANK HALL Sq, COMPLETELY AFTER THEESC INSPECTOR's APR
ne
SURROUNDED BY � 2 iE w >1
W z
BERM WITH A HF-AVY MIL
T YL
'1k LYE H� ETNE LIMITS 1) M�QRESTkND
z CE
3ROPOSED ALIGNMENT OF VING. THE PROPOSED BE qONTAIN OPEN PROTECTION
p, -TOR� S
USC STREAM DIVERSION WHILE FUEL INjHl_�-F CONTRA(, AREAS IN THE V�ICINITYbF THIS S
SHALL ENSURE BERM VOLUOE IS 10% LARGER PLAN's CONSTRUCTION SHAJ L 11L
-PROPOSED RIPRAP 0
',THAN THE MAXIMUM VOLUf4E OF STORE FUEL.
CULVERT IS INS
TALLED U) U)
BE FLAGGED WIfHTREE
AT TRANSITION . .. ...... .. PROTECTION TAPEX.D I z
PROTECTED, LL TI "TYP. Ln 0
U-1
w z
PPROVED SANITARV Iffy
S LOCATION APPROVED SEDI�N6T Li Lr) w
S TRAP UN ER FOO�HILLS 11
mon qm4nnnum I I V)
S VSMP AMFNDMENn#3
aikk�-V—lt .. I A DISTURB rI %AII'M
E)XI. ING
STREAM
CONTRACTOR SHALL REMOVE
PROPOSED FLOW BARRlg,R&
STREAM -DIVERSION Of AFTER
THE CULVERT INSTALLATION HAS
BEEN COMPLETED, ACCEPTED-BY-----
VDOT AND'THE ESC INSPECTOR
GRANTS APPROVAL.
TAiZ;OPENSPACEEASEMEqT Lr.
APPROC
�)ED DIVERSION SHALL PE
IR;IG rF, CTION
-IILLS If RESTORED PER Eq BMP SPECIF19ATION u
// / j 0
vorvit, AMENDMENT V3 NO. 4. SOIL C9MPOST AMENDMENT. TYP j
(WPO 201700020) 1 w
PARCEL LIMITS
d
0
-T-
ICL
N PROVE�,SILT FEN TYP.
ul SF ERFOOTHILLSI
AFpikOVED SW� FOREST
1k >
vondrAMENbMENT93
—0
AND OPEN $,PACE ESMT. L
-14 0 (IPJP� 201700020)
': Typ. n AmmkkL
TREELIKE
EXIS TREE
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p V0--WPO STREA
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BUFFER, iYP./
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P
aal�lil JOB NO. W
112066
50
SCALE
f-1 L
L go- AS SHOWN
L L L
lk� FEE
SHEET NO
r -40 1 inch,= 5� ft.
. ............ I I I - I I - ---'\ �
1' ALL MITIGATION PLANTINGS SHALL COMPLY WITH THE RIPARIAN BUFFERS GUIDANCE MANUAL BYC8LAD.
2' ALL MITIGATION AREAS SHALL BE PROTECTED BY MAINTENANCE AQREEMENT, TO BE EXECUTED AT PLAT APPROVAL.
3. DCR'aRIPARIAN BUFFERS MODIFICATION & MITIGATION GUIDANCE MANUAL DEFINES ACANOPY TREE A8A TREE THAT
REACHES 35' IN HEIGHT OR LARGER WHEN MATURE. THE MANUAL DEFINES AN UNDERSTORY TREE AS A TREE THAT
MATURES TO A HEIGHT OF 12, TO 35'. A LARGE SHRUB IS DEFINED AS A SHRUB THAT REACHES 1Or OF HEIGHT OR
GREATER AT MATURITY; AND A SMALL SHRUB IS DEFINED AS A WOODY PLANT THAT CAN REACH UP TO 10' OF HEIGHT AT
MATURITY.
ROPOSED STEAM BUFFER IMPACTS PLAN: SCALE 1#1=30'
~^
PARCEL
LIMITS,''''
APPROVED FOOTHILLCROSSING 11
Stream Buffer Mitimation
SUMMARY OF AREAS:
PROPOSED IMPACTED AREA: 40,625 S0' F[ OF STREAM BUFFER IS PROPOSED TO BE IMPACTED
mEoumEo MITIGATION AJ2t1: 81.250 SQ. F[ = 1'87 oc.
MITIGATION POSSIBLE: 81.300 SO. F[ = 1.41 oc'
M|TlGA110N PROVIDED: 61.300 30. FT. 1.41 nc'
(NOT[ THE STREAM BUFFER LOCATED ON THIS PROPERTY AND THE ADJACENT TWO PROPERTIES TO THE WEST
UNDER SIMILAR OWNERSHIP HAVE BEEN FULLY MITIGATED TO THE MAXIMUM EXTENT POSSIBLE. THESE STREAM
BUFFER AREAS WILL EITHER BE FULLY MITIGATED OR WILL HAVE EXISTING PLANTINGS TO REMAIN AFTER THIS
PLAN'S APPROVAL WITH THE EXCEPTION OF THE AREAS LOCATED WITHIN A SANITARY SEWER EASEMENT.)
PLANTING REQUIREMENT FOR EVERY 400sf (OR 20'x2O' SECTION) SHALL CONTAIN THE FOLLOWING:
THE WATERSIDE 50% OF THE BUFFER:
ONE g LARGE EVERGREEN AT6^
|wm ) r- l CALIPER UNDERSTDRYTR2ES OR EVERGREENS AT4^
QR ONE A1 UNDERST0RYTREE AND TWO (2) LARGE SHRUBS AT 3'-4'
THREE (3) SMALL SHRUBS OR WOQDYQROUNDCnVER AT15°-18"
THE LANDWARD 5079 OF THE BUFFER:
BARE ROOT SEEDLINGS OR WHIPS AT1,21O STEMS/ACRE' APPROXIMATELY 0' O.C.
(600 MINIMUM PLANT SURVIVAL REQUIRED AFTER TWO GROWING SEASONS) QR
CONTAINER GROWN SEEDLING TUBES AT7OO PER ACRE, APPROXIMATELY 8` C.
(490 MINIMUM PLANT SURVIVAL REQUIRED AFTER TWO GROWING SEASONS)
THE REQUIREMENTS ABOVE EQUATE To THE FOLLOWING FOR THIS PROJECT.
WATERSIDE 50% OF BUFFER (Osf)
.
LANDWARD 50% OF BUFFER (5,625sf)
SO CONTAINER GROWN SEEDLING TUBES APPROXIMATELY 8' O.C.
WATERSIDE 50% OF BUFFER (450sH
1 - 2. CALIPER CANOPY TREES OR LARGE EVERGREENS AT 6'
2 J"- 1�' CALIPER UNDER5TORYTREES OR EVERGREENS AT4' �� 1 UNDERSTURYTREES AND 2 LARGE SHRUBS AT 3'-4/
J SMALL SHRUBS OR WOODY GRDUNDCOVER AT15^-1@~ ��—
LANDWARD 50% OF BUFFER (25'940of)
443 CONTAINER GROWN SEEDLING TUBES APPROXIMATELY 8' O.C.
WATERSIDE 50% OF BUFFER (520ni)
1 CALIPER CANOPY TREES OR LARGE EVERGREENS AT0^
2 J'- 1f' CALIPER UNDERSTONYTHE[S OR EVERGREENS AT4' �� 1 UNOER8TORYTR[E8 AND 2 LARGE SHRUBS AT3'-4'
3 SMALL SHRUBS OR WOODY GROUNDCOVER AT15"-18~ ���
LANDWARD 5U%OFBUFFER (3,005af)
48 CONTAINER GROWN SEEDLING TUBES APPROXIMATELY 8^ O.C.
(95sf)
N/A. 95 sf|'sAFRACTION OF THE400sf SECTION. THIS 95sf|S ACCOUNTED FOR |NTHE LANDWARD 50% PLANTINGS.
LANDWARD 50% OF BUFFER (2,950aM
47 CONTAINER GROWN SEEDLING TUBES APPROXIMATELY 8' O.C.
WATERSIDE 50% OF BUFFER (Oaf)
N/A LANDWARD 50%OFBUFFER (9,175sf)
147 CONTAINER GROWN SEEDLING TUBES APPROXIMATELY B' O.D.
WATERSIDE 50%OF BUFFER (145af)
N/A. 145 of IS A FRACTION OF THE 400efSECTION. THIS 145of|S ACCOUNTED FOR IN THE LANDWARD 50%pLANTIN8S.
LANDWARD 50% OF BUFFER
203 CONTAINER GROWN SEEDLING TUBES APPROXIMATELY 8' O.C.
\
\
__--
ES"'r /,r.
~/
EXISTING _^�
MIT kION
,.,,,SUBJECT PROPERTY6
pp IG
EA OF fUTUREr-, AREA #1 t6,625 81)
AEVELQPMEN
APPROVED SANItARY` SEWER,/
Z EASEMENT EXPANSION FOR MAIN
TRUNK LINE, PROHIBITING FURTHER
MITIGATION P�NTINQS
co
;U r- EXISTING SANITARY
PROHIBITING FUR
*m MITIGATION PLANTING'S
.� /�
-� --
`fDBp«�w rw� DEVELOPMENT---
APPROVEDDO
TRUNK LINE, PROHIE 3
0-057132
EXISTING SANITARY
SEWEJ� EASEMENT,
_.PROHIBITING FURTHER
'625 so
PROPOSED MITJGATION
rn
PARCEL LIMITS;
tYP
LINE
PROPOSED MITIGATibW
FOREST AND m
DEVELOPMENT
Rl�OPOSED MITIGATION
PROPOSED MITIGAfl0N
AREA #2.(27�400 so
77,
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