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_ t I RECORD DRAVANGS 2004 AOOfTiONi AND RENOVATIONS TO 0E8 07 01 03 I
. HEYWAIID BOYD f1 ANDERSON AlK:hN1EC78 P C ' j
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818.8. DATE OF TM DR411111 B I 'r '__ i - -. +.
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! REFER TAD ORAWNGS I i __
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12.8 M } � CURRENT USE MAxB� � �$CHOOL t ! 1 . _
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PROPOSED USE 1 (BCMOOL I .
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i DULDNIO aF }ACIMAOE 1
- _ _ -- _ . ,_ _ _ _ _ _ +EJOB7M40 sCIK>Ol _.__ __ _ a?? sg_+t - 1
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; PROPOSED �MllilN, i i21 ,i00 NCR . _ _. j 7�!�• _ t _
PROPOSED TT3TAL boHooL - - 04,002 R 2.10 a w -
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I_. _ ISGd001.8 SECTION 4 F ALSEMARLE COUNTY COMPREHENSIVE PLAN -- _ I - ...
_ 1 ELEMENTARY SCHOOL FACILITIES NE0001V100D SCHOOL }
1- - , - r r -- - - -- 4 -
-. _ - ., },. -. _. -.. _ -__ _._- ___.,__ _._._ - --___ ,_ _ _
--
( .FACIL.ITY ' AMT RB10 ,TOT SM AMT PROP .. 1OT ilk
_ __ , - _ ___ _ 1 -. -_ - _.- .. _
_ _ I GY%WSK A 1 i ,810W aq R 1; 1 0 2 . s1 _ _
__ HARD SURFACE AREA 2,114 000 aq R 1 31 to M2 N
_ _.__ .___ _ __
MULII PIAIEPOSE FIELD 1' (81 000 aq R 1 I 81 847 af
GASESALL FIELD 1 01 NIA _ 1 wA
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BA8KETBALL COIR , 0 WA 1 + WA
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I"YO110Ui1D/)OT LOT ' 2 ' 14 000 aq R 2 14 723 of
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•TOTAL i i aI '117 MO R N_t 1 ** - f
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1 r AC11iA0E WCaT _.
_ AREA ,
IOTAL PRpPERTY 8iZE 2179 e07 sg R �aD aoNis
_._ , -
{ BES PHASE Nft 8QF ! IMi 018 aq R As .nom °100%
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_-
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)IIST810_OP'EN SPACE 811,o20.q R 1A ACM 01 34%
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►ROPOtEOOPEN sPACE - Mo abo R 13,70.CN. 14.60%
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_. _ ,KILL T11S>: PART TiME
_ E)8S11NKKi EMPIAYEES i , �' 20
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L . _._ c. P110POSED AD011101ML EMPLOYEES 18 WA f..
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PIIOPOS� TOTALLO11T�S ! 7i1 211
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- 11 _ __ __- � _ +_ ' . __ _
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- E)16TNVG 81UDEN7ffi _488 WA _ -_ - t _ 11. PROPOSEOADDITI0NAL871JOENTIl 100 wAI }
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PIIOPO TOTAL SAS __.- -- _ �_ -. i4a;
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k .w _ 1 ALL ,
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88- fi"MAXMIHIGFRALLGWED FOR R-1 `. __ __ -_
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FA_ I -_ 1__ T AP
PIIGX HT K&ATN�11
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� E788TNG TYPICAL BCHOOL !i9! T,_ . 1, 1.1.
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EMSTNG HEIGHT OF MEDIA CENTER lie , ;700' -8"
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EXISTING HEIGHT OF GY * ,_ t ,_ 1 WI _ ra,�,
_.-
EIQS1T14G HEIGHT OF CAFETERIA 18' 700'8''
PROPOSED 'Ai OF CLAWh6dI& . _._ _ _ _
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i E)aSTING PARKING 1 3 _ _ ' r 107v
. ._. 1. _.._. .___ -• -_ _ .__._sees ,-._ - _ ..
PROPOSED ADDITIONAL PAIIKNrG I- } 17
_ ;RIIOPOi� TOTAI. PAMOIq i 184; I
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El18lNG BUILDING ; lr2 i62.q R
E)W7. G EXr SAPERVIOUS SURFACE 1 ( 07 880 R
i +TOTAL WW" IMPWAOUS NAMACE r t"6 _ 2 Q R 21,28!6
L __
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PROPOSED MPERVIOUB 11EMOVAL { _ ._ { p R - . _ ... _... , __
__ . ; PI�OPOBE0 BUILDING ADDff10N '
___._ ,. -_ x ( -__... 4 -- __ .___ ._
PROPOSED XT SAPERVIOU-- sURFACE . _ - 1 82 713 R R
i_ 'TOTAL MIOPOW WORRVIOUS SURFACE , !17 SS1 R _. D ._ _-_
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:_
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E)as TN4G PARKINfi AND VEHICULAR AREA _ 81281 " R I-
- . _. - _. _.. _ _ _ ,_ _-__
I PROPOSED PARKO ADO VEH Al1EA REMOVAL , 18,280 aq R _ . _ _
_ ¢-
I PROPOSED PARKING AND VEHK U A AW 21 718 sq R ,
I __ _ TOTAL ►710P08p ►AiMO1sS AND VEHCULAR AM 737 R ;
_ _.._ _ _. z __ __ -- , ___ _ --
12 884 ; PHASS PLAN �
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1 CON8T1tUCT10N OF NE ADDITION M PROPL)SEO N A M OLE PHASE' .
I ', REFER TO DVMOa FOR EXTENT OF PORTIONED OF eo ACHE Sf1E' (LABELED - PHA SE P .. • . -
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12.8.811 ATM iNATM1OOUI%M I �..
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12 8.N iRBBiI1VaR WATERSNRI h
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SrTE I8 LACATED Wi1'INN LICKINOHOLE CREEK WATER SUPPLY WATERSHED
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ii � -- 1 BXISTtNO AND PROPOSED INATBR AND SANITARY FACILiTIBi
a T REFER TO DRAWN08 _ I .
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1 r REFER TO DRAW1Ki8 ,
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r - +REFER 70 ORAWING8 I i j.
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{ REFER TO DRAVVIN(i8 . I
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PIto9'10M PA'.(M sc1illl)I E SUFACE
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1A8PDYILY I I 1.
BDEWALKB•.- ______ _._ CONCRETE t
VEHICLE TMVELWAYB .
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- VEHICLE PARKING i I I jASPFIALT ' r
__ ___ _
t -_ { HARD SURFACE PLAY AREAS + IASPHALT 1_
-
} EXTER M§KETIALL COURTS jASPINLT } Li -I
t v SOFT SURFACE PLAY AREAS { MULCH [ __ _
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{ D PAD_ - I - - --- -I - - -- - tA8 NOTED - - - - -, - - -- - -- -4-,
IIW PUBLIC USE I i ? I 1 T 1
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i REFER 70 ORAW813S T Y
t 1 A 1 _ *.
112 LL@ �LAD08C &M PLAN ! } , { i I _
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REFER TO DRAWINGS FOR LANDSCAPE PL - ,__ -___ -. -- -_.-- ,__.._._._+.._.____.
I , i T_ 1 , I
BROiAf NSVILLE ELEMENTARY SCHOOL
9 A 0 1 0 M .,, I A
I A M pil 1 1 :4 61 _1VMAi(Pj ---
SITE PLAN AMENDMENT, EROSION AND SEDIMENT
CONTROL, AND STORMWATER MANAGEMENT PLAN
WHITE HALL MAGISTERIAL DISTRICT
ALBEMARLE COUNTY, VIRGINIA
BMW dpi -Ai
81t2 ROOIff>r/ W MW
mm &%ftw ANNNY mm LL.0
nm" W 5—
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EXISTING CUL VERT
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CUL VERT
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DROP INLET & STRUCTURE N0,
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CURB
ter_ _— - —
CURB & GUTTER
2
PROPOSED PAVEMENT
Revised per County oommwts
EC -3A DITCH
6 «
DEPTH OF EC -3A DITCH
Revised and ARB commob
EC -2 DI TCH
6 «
D£P7H OF £C -2 DITCH
__
EARTH DITCH
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DRIVEWAY CULVERT
>
I
BENCH MARK
, —
CLEARING LIMITS
*
VDOT STANDARD STOP SIGN
— — — — "— — — --
EXISTING CONTOUR
ROMM GAP I MCE'
ort1E1C d OR AA1V t A)AIiOFR
PROPOSED CONTOUR
240.55
PROPOSED SPOT ELEVATION
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78C DENOTES TOPAACK OF CURB
T/B DENOTES TOP OF' BOX
F _ 3 �
nwa dr -i4i � � r
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l 1_ '� v_ - " �4 ~ )AAA 8 -14C PO JIM ie AEi100MS FA7(IMMB tA� L_ L
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i - ,,. _ 2OINIdit X � J ��,... .��,, U70 AOOIG�1wl W )►MfE � �/''� L40 AEIMEiM11AL
ONPW1E 0"FY OF ALKM,4RLE ._j / �jY
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Index
n- ,` . r--
- _.. _ _
I Date
of Revision aft dmuqp listed
_
_ -
^_ \
01/07/08
ter_ _— - —
- - -_ --
2
-� --�
Revised per County oommwts
ALL
3
05/13/08
Revised and ARB commob
� _
1.. n -. -
EROSION CONTROL PLAN
\�
EROSION CONTROL NOTES AND DETAILS
10
�) 1
��_ dl -17C �'
>
I
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) AAA U -17G
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11N+ 3A -itF �
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V'v
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ROMM GAP I MCE'
ort1E1C d OR AA1V t A)AIiOFR
r 475 SAK A M Cr
1M dhi7F
.awAr
OMAEIi: A/ArnAew At 1
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"W
MISAN Y DAYRS
0107 >1Nf ALMPA44LE
AN N Xh m I
011A�
am 4006"y W 1W
T 09 aaE
00=.. VA 2AWM, E
ZOAA)0 RA i�
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5 Vi1ANVAN NrT
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CNAATLOTTESVILL; YN SAW ? h%�`
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I
SHEET LAYOUT
SCALE: 1" = 150'
CURRENT OWNER
COUNTY OF ALBEMARLE SCHOOL BOARD
401 MCINTIRE ROAD
CHARLOTTESVILLE, VA 22901
ARCHITECT
VMDO ARCHITECTS
Revision
Index
Rev.
I Date
of Revision aft dmuqp listed
ShWU Revised
1
01/07/08
Revisnd per Comaty commenb
ALL
2
04102M
Revised per County oommwts
ALL
3
05/13/08
Revised and ARB commob
ALL
EROSION CONTROL PLAN
9
EROSION CONTROL NOTES AND DETAILS
10
STORMWATER MANAGEMENT PLAN
11
200 EAST MARKET STREET
CHARLOTTESVILLE, VA 22902
434.296.5684
ENGINEER
COLLINS ENGINEERING
800 EAST JEFFERSON STREET
CHARLOTTESVILLE, VA 22902
434.2933719
0
9", &` +
,,
p is
"THIS )'
PROJECT
F Collins Engineering, L.L.C.
800 East Jefferson St., 300
Charlottesville, VA 22902
j I
P 434 5fi6 3013
F 434 245 0300
CE PROJECT NUMBER 072009
VICINITY MAP
SCALE: 1" = 2,000'
BROWNSVILLE
ELEM SCHOOL
ADDITIONS AND
RENOVATIONS
5870 Rockfish Gop Turnpike
Crozet, Virginia 22932
VA DOE PROJECT NUMBER 294.1E
VMDO PROJECT NUMBER 07 1015
V
iCWff R. COLLINSZ
Lic. No. 035791,x
SAW. e
VF
C&10uet. SVE� "
SHEET INDEX
TITLE
SHEET
TITLE SHEET
1
EXISTING CONDITIONS AND DEMOLITION
2
SITE PLAN, GRADING, & UTILITIES
3
SITE PLAN NOTES AND DETAILS
4
DRAINAGE AREAS & PROFILES
5
DRAINAGE CALCULATIONS
6
LANDSCAPE PLAN
7
LIGHTING PLAN
8
EROSION CONTROL PLAN
9
EROSION CONTROL NOTES AND DETAILS
10
STORMWATER MANAGEMENT PLAN
11
I certify that these final plans meet the requirements of the Albemarle County Zoning Ordinance,
the Water Protection Ordinance, the Subdivision Ordinance, and the Design Standards Manual,
and are prepared In accordance with the Engineering Expedited Review Final Plans Checklist.
Signature
A
,
1 :3 2�3 . 14 V! 1 9101 0011IM4 18 110 I WAD) 0AM 00101 001 MAE
• • �'jU
�.� %/1 "� � .,
i INSPECTIONS z z�-- - � - --
Ir/A%�
W
' • ' I t I to ��
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. I a Proill z v WIN 5 M #1 a
I
91
•6
1 ' 0 � 1 iAMIM.
I
i -
KMK /SRC
drawn by /checked by
project north
05.29.08 FINAL SITE PLAN
E&S AND
STORMWATER
MANAGEMENT
COVER
Date SHEET
V)
Q
CV'
1 45
0
KEY FLAN
p w` _� J " , _ _ A
111
1
1
1
1
1
1
-•- LP
5756 ROCKFISH GAP •
1
TURNPIKE
I
_ PAVEMENT �. � -` -� `_ ' � _ �_ ' " � CROZET, VA 22932
ON D
. E
_
- I R 1
WE
1
1
ST PLAYGROUND
/HOLLY
t 1
/ LP
_
,� -- - --" -- EXISTING OUTDOOR
TEACHING PAVILION
,_.
PLAYGROUND- i TREE PROTECTION
4
HOLLY
l
1 - - 6
- -_ ' - � HA�iCBER
680 _ _ EXISTING UNDERGROUND
2" MAP - ' I l-� _ GROUND
� - .
,T2" PI E5 Z �i> >> >� s - ELECTRIC LINE �•.
ii
EXTENT OF
PHASING PLAN
1 � S
1
1
1
1
i
I
O
, i
1
r RELOCATE SWINGSE TO 5 HARDWOO i
E EXISTING �:�� /.' / //� / ® j ! WEST PLAYGROUND
4 SANITARY SEWER ' .:� /i /i %/ �� DURING SUMMER '08
lif
FF 684.68 REMOVE MULCH AREA �
/� // "/ . �/ / CAREFULLY REMOVE AND
<� RELOCATE PLAY STRUCTURES
IRE EXISTING -, �� /i ' TO WEST PLAYGROUND
3.
`
y, s" DOGWOOD 1 s 7GwooD CONTINUE ASPHALT DEMOLITION GREASE TRAP - - V �,� DURING SUMMER '08
TO THESE EXTENTS �a I `� 68 - I 1 \\
_ LP: i I � REMOVE CONCRETES �'j %' 2 ,
_ ! a 4" D � `� "� GYM AUDITORIUM SIDEWALK (TYP.)
FF 680.09
12" DOGWOOD \
CAFETERIA
MAPLE
' � ''` REMOVE ASPHALT PLAY AREA
BLDG. TOP
4 "
( = 704.67' , , BLDG. TOP NOTE. MAINTAIN DRIVE AISLE, DUMPSTERS, DELIVERY ACCESS, ETC CAREFULLY REMOVE AND
CAREFULLY REMOVE PORTION EXISTING CANOPY `' ✓ I = 700.67 AS REQUIRED TO COORDINATE REMOVAL AND RELOCATION WITH RELOCATE 3 BASKETBALL ` --
12" Docwoo FF s8a.sa I
AS REQUIRED FOR NEW SERVICE DRIVE. PATCH � A�� EXISTING TRANSFORMER SCHEDULE AND REQUIREMENTS OF SCHOOL. I GOALS TO WEST PLAYGROUND � \
- `� - -- REMAINING CANOPY COMPONENTS AND PROVIDE - Y 3" MAPLE DURING SUMMER '08
NEW FASCIA SEGMENTS AS REQUIRED TO EXISTING UND&GROUND NK
MATCH EXISTING ti REF ARCHITECTURAL PLANS FUEL TA CO ) ` �., '`' 10 ` PROTECT TREES 3 MAPLE PROPERTY LINE
1 EXISTING STORMWATER SEWER
I ` `
• `�`' WITH TREE PROTECTION EXISTING UNDERGROUND TO BE REMOVED TO BE MODIFIED i
-- - - - -- \`� TELEPHONE LINE
18" PINE , - _ _ _._
121.7 84.sa I REMOVE DUMPSTER PAO ANO ENCLOSURE l
60.x' ' REMOVE AND RELOCATE DUMPSTERS NOTE: UNDERGROUND UTILITIES
60 - CONTRACTOR t0' BUILDING SETBACK
---- ---� -- -- 1 130. SHALL CONTACT MISS UTILITY PRIOR TO ANY WORK ;
EXISTING CURB 5 AP _` r -v �-� BEING PERFORMED. CONTRACTOR SHALL FIELD LOCATE '!
- AND GUTTER __--- -- -.- ',
Y, TO REMAIN CAREFULLY REMOVE EXISTING SHED �,
t 5" PIN 10" THE UTILITES PRIOR TO CONSTRUCTION. CONTRACTOR
�'' S" MAPLE PA�� c0
s IS RESPONSIBLE FOR ANY RELOCATION AND /OR
{ \-_ ��_� �
�UMP
e
1,
; . ' 7 R EMOVE - - (3) EXISTING CYPRESS TREES t
COORDINATION OF THE RELOCATION OF UTILIITES
' ?1 DEMOU FI CURB .
SHED I TO BE REMOVED AS NECESSARY FOR THE NEW CONSTRUCTION. EXISTING TREEUNE -
r .
PROTECT TREE PAST THIS POINT
WITH TREE PROTECTION - _- REMOVE
EXISTING CURB CONCRETE WALK
TO REMAIN . _ �., "' 4 5 , 6
. /� - ----
EXTENT OF ASPHALT ... - - _ -� - � - •- - - - - ---� � 1 i a" CYPRESS'(3)
"
58 __ ...
8 TAXODIUM
DEMOLITION ✓� �� DISTUCHUM P I 1 1 CU AND 4" TREE TMP 56 -� 7A
"lei REMOVE ISLAND CURBS COUNTY OF ALBEMARLE SCHOOL BOARD
EXISTING 20 -* - REMOVE AND DEMO (2) LIGHT FIXTURES ROCKFISH GAP TURNPIKE ! k
UTILITY EASEMENT
CROZET, VA 22932
' REMOVE
DEMOLISH PARKING STALLS I 76.1
xo MAPLE ' \ ( ,
TYP.
✓ SCE " �.
1� �- _-
` \ I
I I / � 6 .� 7ULA N1GRh
EXISTING 1 » EE � -
i i I r
-� -` I � 1
it TO BE REMOVED -. -.. __- �, - - - �..- - -J � -. _ - _ � -�� •
I
r
� EXISTING ELECTRIC LINE - -- I- _._.._ ---= _ - +
k _
..d
_.. _ - __ -_
`. MAPL
I 5 HARDWOOD \ _ 1
EXISTING FH TO REMAIN. >< x
it - ti CONTRACTOR SHALL PROTECT to" MANE 10" LE 10" I�LE 10 TfAPLE 10" MAPLE EXISTING 4 WATERLINE `
'.
THROUGH
ON AND \� _ 25' BUILDING SETBACK `
II FH ROUGH CONTRUCTI BASEBALL SOFTEALL FINE
• 3 12" MAPLE » 584 ,.�
I MODIFY POSITION AND HEIGHT 1 " eiNE \ ,'✓ -� ta" REDS 10" CYPRESS EXISTING 12 MAPLE BACKSTOP TO REMAIN
AS NECESSARY FOR NEW ISLAND - <, to 10" CYPRESS �.
. - TO BE REMOVED TREE PROTECTION
CONSTRUCTION. �2" PIN f __.__ --
X 10" CYPRESS 1C" CYPRESS �, �, \ 1 ° -C -.- Vic- S 12" PINE Z p.. ✓
- -- -TI -- _{.� _ k 1 �.... -� i RES 12" PINE
�� < t ` 12" 10" PRESS ¢'-
1 y r� ��` ` 0" CYPRESS 70" CYPRESS �- 2"' =_PINE t0" CYPRESS CYPRESS - 10" CY l + x -� S 0 ",rlNFi_. ?G° CYFRE`:S r r FIyE
TREE PROTECTION \�!�. EXISTING WATER METER Z r . t � 4 - - ES � y ��'
J II
40 �ti.�.� \, E STI `�� � �� Cam," :� -' t "� ; 10' FYI f SS 12" PINE
_ XI W PINE o" _ \ "m�
_
PINE " PINE T '�. �, �� ~ > t 2" PINE "� ,� \ = _ .E. -r
2.
1 /� 12" PIN r' "
T z ;� ] CYPRESS t0i P S ✓CYPRESS 12 PINE \ 1 - - .�.,a _. - o"
�-
- - 10 Cl' RE
1 -- 6
7 .,� ��r 6 _. / TP . -
_
_ 12" PINE _ _ ._.
1. i ,' ^ c... , / •e f J ..__. -..._ ,' -_.._ \ 't .... . - -.. ' ,. .._. ..._._.- - -`'. j� � "'--
v N
-
-- 680 - --- -_ _678
Smw
_
_
i
r -
y
_ -
EDGE OF PAVEMENT
� U.S. ROUTE 250, ROCKFISH GAP TURNPIKE �0\ ��
-- \ \ \. VARIABLE WIDTH ROW
30 0 15 30 60 120 \ \ - -- ---- -- --�
( IN FEET )
i inch = 30 ft.
_
_- -
�
l\ �
i
Y -;
I mil _ _ - 56 �1 5
__ _�_ HOLDEN, CHRISTOPHER OR MARGARET
HOLLY
9
l 1 C_✓
_. T ULIP 1 '\
4" HARDWOO » '1
,r
.. __.. G.RAFN
D O.iFOLW
TREE PROTECTION '
FF 684.68 -. - TO BE R
EXISTING OVEO
TREE � t
N 5407.72 S • LE G w. 1
- �: LID
� E 4782.78 TREE PR OTECTION EXISTIN G 6" FA GUS ,--
_
y.-- FENCE GRANDIF A TO BE REMOVED
18" CYPRESS 682 -
N 5390.48
�.
EXISTING CONCRETE SIDEWALK s �.>.� 5306.89 ;' • ` \ �t
4" HARDN! D
5" LIRIODE ?N
I TU P l E
r ' EXISTING 5 TREE ti.
2 "CHERRY I ` To BE ,REMOVED
s 1" HOLLY 5" OAK
>_ t MEDIA I \
CENTER I PLAYG
STORM SEWER CH MARK BLDG. T
v ;
TO REMAIN OF BOX 681.78 =700.6
-� - 15" HARDW00� r'
_ EXISTING CLASSROOMS
LP s" Docwoo TYPICAL BLDG. TOP I �1
REMOVE MULCH AREA
e
( - �;
- -- -
EXISTING BUS ~^ ` =698.00 CAREFULLY REMOVE AND
a -
' _`� �� ,.='- -
EXISTING 8" SANITARY I- L -
DR -OFF AR A�� / RELOCATE ALL PLAY
SEWER LINE 1 �,�, ,� - A
� �`` STRUCTURES TO WEST \'
"
6 5YCAMORg'
PLAYGR OUND DURING \ ,
20" DocwooD /
< SUMMER '08 \ '
EXISTING EAST ' P�I�YGFkOND
4° DOGWOOD'
� ..• I � � ,� �,. � : EXISTING 6 MAPLE
1 ST C RY BRICK SCH OL
BE REMOVED
-- - - - -- FI` E = 684.68
I 15 DOG OOD
EXISTING 9 SHADE TREE
�
EXISTING PARKIN LOT FOR REMOVE MULCH AREA
CAREFULLY REMOVE AND i
BROWNSVILLE E
SCHOOL � 'LP � `\ PROTECT TREE WITH
TREE PROTECTION T
r �
r
Collins Engineering, L.L.C.
800 East Jefferson St., 300
Charlottesville,
VA 22902
P 434 566 3013
F 434 245 0300
CE PROJECT NUMBER 072009
BROWNSVILLE
ELEM SCHOOL
ADDITIONS AND
RENOVATIONS
5870 Rockfish Gap Turnpike
Crozet, Vi
rginia 22932
VA DOE PROJECT NUMBER 294.1E
VMDO PROJECT NUMBER 07 1015
yam'` �r �
a f
i R. COLLINS%
Lie. No. 035791,1�-
�stox.s.
KMK /SRC
drawn by /checked by
05.13.08 FINAL SITE PLAN
E&s AN
STORMWATER
MANAG
EMENT
EXISTING
CONDITIONS
AND
DEMOLITION
PLAN
�s
i
Numt»r S
Size l
lea L
Location
1. TOPOGRAPHY PROVIDED BY LICENSED LAND SURVEYOR COMMONWEALTH LAND SURVEYORS IN AUGUST, 2007. 1
1 6
6" B
Betuls S
Southwest of Parka Lot
2. THERE ARE NO WPO BUFFER LIMITS ON THIS SITE. 2
2 8
8" T
Taxodium Distuchum P
Pak Island
3. THERE ARE NO FLOODPLAIN LIMITS LOCATED ON THIS SITE, PER FEMA MAP #01510=0237D, PANEL ,402370, DA7F0 02 -04 -2005. 3
3 1
12" M
M S
Southeast of Palo Lot
4. THERE ARE NO CRI77CAL SLOPES BY COUNTY ORDINANCE TO BE IMPACTED ON THIS PROPERTY. 4
4 8
8" s
s t
to Shed
� 5
5. CONTRA IS RESPONSIBLE FOR FIELD LOCA ALL U7ILI77ES. CONTRACTOR TO COORD /NA 7E WITH LOCAL U77LITY COMPANIES PRIOR 5
5 8
8" s
s t
to Shed
TO ABANDONING ANY EXISTING UTILITIES, INCLUDING BUT NOT LIMITED TO ACSA, VA POWER, EMBARO, CHARLOTTESVILLE GAS, MISS 6
6 8
8" s
s t
to Shed
{" U
U77LITY, ETC. 7
7 3
3" M
M Southeastern Comer of Exist S
6. CONTRACTOR SHALL BE RESPONSIBLE FOR LOCATING THE EXIS77NG UNDERGROUND FUEL TANKS THAT EXIST ON THE PROPERTY. 8
8 6
6" M
M N
Northeast P round
9 5
5" H
Hardwood N
Northeast P laygmund
10 4
4" H
Hardwood N
Northeast P lmyqmwll
11 6
6" F
F Gm diblia B
Behind exist chssrooms
EXISTING PLAY STRUCTURES
TO ;, _
___ �
-
ARCH CTURAL DRAWINGS �'�-% - "' \
� -
_ -
HOLLY
9
l 1 C_✓
_. T ULIP 1 '\
4" HARDWOO » '1
,r
.. __.. G.RAFN
D O.iFOLW
TREE PROTECTION '
FF 684.68 -. - TO BE R
EXISTING OVEO
TREE � t
N 5407.72 S • LE G w. 1
- �: LID
� E 4782.78 TREE PR OTECTION EXISTIN G 6" FA GUS ,--
_
y.-- FENCE GRANDIF A TO BE REMOVED
18" CYPRESS 682 -
N 5390.48
�.
EXISTING CONCRETE SIDEWALK s �.>.� 5306.89 ;' • ` \ �t
4" HARDN! D
5" LIRIODE ?N
I TU P l E
r ' EXISTING 5 TREE ti.
2 "CHERRY I ` To BE ,REMOVED
s 1" HOLLY 5" OAK
>_ t MEDIA I \
CENTER I PLAYG
STORM SEWER CH MARK BLDG. T
v ;
TO REMAIN OF BOX 681.78 =700.6
-� - 15" HARDW00� r'
_ EXISTING CLASSROOMS
LP s" Docwoo TYPICAL BLDG. TOP I �1
REMOVE MULCH AREA
e
( - �;
- -- -
EXISTING BUS ~^ ` =698.00 CAREFULLY REMOVE AND
a -
' _`� �� ,.='- -
EXISTING 8" SANITARY I- L -
DR -OFF AR A�� / RELOCATE ALL PLAY
SEWER LINE 1 �,�, ,� - A
� �`` STRUCTURES TO WEST \'
"
6 5YCAMORg'
PLAYGR OUND DURING \ ,
20" DocwooD /
< SUMMER '08 \ '
EXISTING EAST ' P�I�YGFkOND
4° DOGWOOD'
� ..• I � � ,� �,. � : EXISTING 6 MAPLE
1 ST C RY BRICK SCH OL
BE REMOVED
-- - - - -- FI` E = 684.68
I 15 DOG OOD
EXISTING 9 SHADE TREE
�
EXISTING PARKIN LOT FOR REMOVE MULCH AREA
CAREFULLY REMOVE AND i
BROWNSVILLE E
SCHOOL � 'LP � `\ PROTECT TREE WITH
TREE PROTECTION T
r �
r
Collins Engineering, L.L.C.
800 East Jefferson St., 300
Charlottesville,
VA 22902
P 434 566 3013
F 434 245 0300
CE PROJECT NUMBER 072009
BROWNSVILLE
ELEM SCHOOL
ADDITIONS AND
RENOVATIONS
5870 Rockfish Gap Turnpike
Crozet, Vi
rginia 22932
VA DOE PROJECT NUMBER 294.1E
VMDO PROJECT NUMBER 07 1015
yam'` �r �
a f
i R. COLLINS%
Lie. No. 035791,1�-
�stox.s.
KMK /SRC
drawn by /checked by
05.13.08 FINAL SITE PLAN
E&s AN
STORMWATER
MANAG
EMENT
EXISTING
CONDITIONS
AND
DEMOLITION
PLAN
�s
i
i
1
i
1
i
1
1
1
F1
LP
•
PROPOSED EXPANDED ASPHj
._PLAY AREA WITH 3 BASKETBj
GOALS RELOCATED FFc
EXISTING EAST PLAYGROUN
REF ARCHITECTURAL 8 DRAMA
1
;r
rf
i
1 I
I
I
i
■ S
■
1
I
5I
J_
I
0
DRAINAGE DESCRIPTIONS
0 PPE WORMATION INLET IN ORMAnoN YARD INLET DESCRIPTIONS
8TR. N0, DW, E WE INVERT COMMENTS
IN OUT TYPE STATION LENGTH ELEVATION
O 2 DM CG�B 1000.0 6 $113.00 19.1 RECD
3 15 6. 90 0. 54% $79,40 676. HOPE O 8" CLEANOUT D 8" CLEANOUT 1 8" CLEANOUT K 8" CLEANOUT
4 DI-29 cae 1006.9 6 M AO 4 IS-i RECD � OP = 684.60 TOP= 683.68 T a TO P =
68,3.68
TOP- 683.68
6 19 $9.39 o.so% 878,26 877.94 HOPE INV.= 680.00 INV.= 679.00 INV.= 678.32 INV.= 679.00
64
6 0I.71 1072.3 - 6.6$ 19-1 RECD, TYPE 3 GRATE INLET
i 7 19 127.01 0.50% 677.84 677.20 HOPE A - B L= 111.04' D - 10 L= 5.30' a - G L= 53.33 0_(D
- 8 MH -1 1199.3 6113.12 0-1 RECD S =3 -3.77 L= 117.82'
S =1,11% S % .60% `
9 18 44.96 0.68% 677.10 676.60 HDPE S=1.16%
10 01-71 - 1244.3 - 683. 18-1 RECD, TYPE 3 GRATE INLET 8 ADS PIPE 8 ., ADS PIPE 8" ADS PIPE P E
8" ADS PIPE
11 16 130.90 0.57% 676.70 675.96 HDPE l t�)
12 DI-71 - 1374.$ 663.25 18-1 REC'D,TYPE3GRATEINLET � TOP =684.6Q 10 SEE DRAINAGE TOP= 683.68 8" CLEANOUT DI -7 8" CLEANOUT � 8" CLEANOUT '
13 111 13132 0.50% 679.$6 673,09 HOPE INV.= 678.67 DESCRIPTIONS WV.= 679.00 TOP= 683.68
14
\, DI-71 1$26.3 - 663.00 18-1 RECD, TYPE 3 GRATE INLET INV. = 6 7 7.5 3
16 u so.30,04 oso% 874.99 874.64 HOPE oBo 6 L= 50.99' INV.IN= 678.80 G L= 259.47'
16 MH -1 6112.93 0.1 RECD S= 1.43%
�~ -o �a _ OL - 26 L= 10.84'
1660.3
� H S- -1.00% a
17 24 141.81 2.04% 674.74 671.85 HOPE „ ADS PIPE 8 „ CLEANOUT 10" ADS PIPE S- _ 4. 7 0%
0%
16 MH -1 - 169$.1 - 661.67 18-1 RECD TOP= 683.68 8" ADS PIPE
!i
19 24 630 0.49% $71.75 071.72 HOPE - DI -7 (NV.= 679.00 G 8" CLEANOUT
% DET MH -1 1702.1 074.62 RAIN TANK H I a TOP= 683.68 8" CLEANOUT
' •"" "* 2118A1rLowm PIPEVm L =97.54 M
21 4.00 O. e69.92 e89.90 HOPE / A30 OWAFLOWWEA00%0E DESCR PTIONS S=0.59% INV.= 676.40 TOP = 683.68
CONTRACTOR TO USE EROSION 22 MH -I 1731.6 - 674.62 6. RECD I N V. I N = 6 77.94 INV. = 6 79.00
CONTROL MATTING TO HELP n 24 24.16 0.60% 669.110 669.66 HOPE 8 ADS PIPE G __
ESTABLISH A GRASS COVER E 8 TOP = 683.68 CLEANOUT ., �' 14 L 27'80 CLEANOUT S =0.65% M a S =7.52%
-` 26 L =26.34
a a
ALONG THE SLOPE OF THE HILL 0 8
za 0 71 1640.1 693.14 6-1 RECD, TYPE 3 G - - INV= 679.00 TOP= 683.68 10 ADS PIPE 8" ADS PIPE
RATE INLET INV. = 6 79.00
_i -" --- 26 16 107.41 OAO% 676 L, 62 D -7 DI -7
.92 676.95 D.1. C
35'
E D L.09' J ( I } L= � 26
_ �-- J 14 S E DRAINAGE N E EE DRAINAGE
_
S 2.57% DESCRIPTIONS
8" ADS PIPE DESCRIPTIONS
--- - 8" ADS PIPE INV.IN= 676.22 INV.IN= 677.02
EXISTING 1' CONTOURS - 99
PROPOSED 1' CONTOURS
PHASE LINE
WATER do SANITARY
SEWER EASEMENT
NOTE: NO TREES ALLOWED
WITHIN WATER do SEWER
EASEMENTS - SHRUBS ONLY
STORMWATER MANAGEMENT --------------- -- - --
EASEMENT
NOTE: PLANTINGS PERMITTED
WITHIN STORMWATER
MANAGEMENT EASEMENTS
NEW ROOFTOP HVAC UNITS SHALL BE LOCATED ON FLAT ROOF
SECTIONS BEHIND SLOPED CLASSROOM ROOFS SO THAT THEY ARE NOT
VISIBLE FROM THE ENTRANCE CORRIDOR. NOTE, THE NEW HVAC UNITS
FOR THE GYM AND CAFETERIA ADDITION SHALL BE LOCATED INSIDE
THE BUILDING ON THE MEZZANINE LEVEL.
SEE EXISTING CONDITIONS SHEET FOR TREE REMOVAL CHART
PARKING SPACE REQUIREMENTS:
18.4.12.17c ONE -WAY GREATER THAN 12'
18.12.16c3 60' PARKING, 16' WIDE AISLE, 20.1' STALL DEPTH
9'x18' STALL
THIS SITE IS SERVED BY PUBLIC WATER AND PUBLIC
SEWER. THERE ARE EXISTING FIRE HYDRANTS ON- -SITE, AND
THE NEW ADDITION SHALL BE SPRINKLED. SEE MECHANICAL
PLANS FOR LOCATION AND DETAILS OF SPRINKLER SYSTEM AND
BACKFLOW PREVENTER. INSTALL NEW 6" FIREUNE TO THE
ADDITION AS SHOWN ON THE PLAN.
`� . LOCATI OF UNDERGROUND ELECTRICAL
NGS� ° ` - `� -_ �\ LINE. CONTRACTOR SHALL VERIFY DEPTH AND
. LOCATION PRIOR TO GRADING AND CONSTRUCTION.
$77,77
_. _
_.. EXISTING ADEQUATE OUTFALL
-�- '� _ _.
' .. � �-, fir_ _ _.. _ �_ . - .., _ L " � ; , - W/RIP CHANNEL
PROPOSED LOCATION OF
-
-
:rte
f
TEMPORARY CHAIN LINK FENCE - �a �, % UNDERGROUND RAINTANK SYSTEM
REF ARCHITECTURAL DRAWINGS ? �- r i 6$•1.27 J
� ,"fir` �;
� � -
LP -" es CONTRACTOR TO USE EROSION `�` i
• - CORKDO HCONTROL EC-2 ELP
MATTING 0 P
ESTABLaSH A GRASS COVER
-
- 682 ALON SOP OF THE ILL
>• - -.•�
-
� 68 ,
co11BLDC 18 ' ` l \ ! \
T Y -
11e4.,a NEW EAST PLA OUND 41.5'
c�oReLDC coReLOO SEE ARCHITECTURAL DRAWINGS
62
^� ,.. ,. PROPOSED A/C KIT
/, LOCATED ON ROOF
HMARK
MH
-- -- •
7
_- F!Jt)Lh)17(
r U; .I'� -KV, � I
EXISTING SANITARY e
r z, SEWER AND LATERAL
CLEAN -OUT
EL.- 881.0' �., »�
6 R l
- -�` ,,: � , ,_ 1 ST CRY BRICK S C H O L W � P OPOSED 8 ROOF ,
<� DRAIN SYSTEM 1 ',
--- -� -- - - t o F FE = 6 84.6 :, PROPOSED S ROOF w w
/ DRAIN SYSTEM
REF ARCHITECTURAL _
PROPOSE
ASPHALT `�� /vrJ
DRAWINGS IN THIS AREA '� w W W w • , SURFACE PLAY AREA , ,1 I I
-
``'✓ OPOSED SEE ARCHITECTURAL 16 tii
S ,. DRAWINGS ROPOSEO VAR. HADTH
Z. �� `' CONC. WALK
.. ENT
e1 SCHOOL ADDITION 8;''. D G / UTILITY E ASEM ENT
BOLLARDS 3 COOK. LOCATION SEE ARCHITECTURAL
FENCE REF. ARCH. DRAWINGS WITH EXISTING AND NEW A
> <, UNDERGROUND SERVICES (TYP.)
i EXISTING SANITARY V PROPO D /
SEWER LINE , � � -� PROPOSED ASPHALT SERVICE VEHICLE UGH71NG
ACCESS DRIVE WITH W-15' MASONRY (TYP.) - _ \� 6 82- PROPOSED _
_ •' - I `, ;�. ���' SCREEN WALL. EACH SIDE 4' CMU - STORM SEWER
A! _
BRICK TO MATCH BUILDING PROPOSED GENERA
PROPOSED CHILL R� O BRICK BENCHES (TYP.) - SEE l
PROPOSED CONOENSOR5 $' _--- -- ' ARCHITECTURAL DRAWINGS '
Ln
PROPOSED
DRAWINGS
! 'o.
PROPOSED PATTERNED BOULDERS
f WALK REF. ARCH. PLANS
(TYP-) TIE -IN PROPOSED
Np,
' , STORM SEWER N
� / INTO EXISTING LINE
-- - -- - PROPOSED TRANSFORMER 4 18' PROPOSED 10' ADS
PROPOSED SIDEWALK r ROOF DRAIN SYSTEM
c
EXISTING CAN O6 MODIFIED ' �'` EXISTING s, <, E / SEE LANDSCAPING PLAN, SHEET 7 PROPERTY LINE
TO ACCOMMODATE ACCESS AISLE �o• O7 UNDERGROUND �, OSED FOR ALL TREE AND SHRUB
ARCHITECTURAL DRAWINGS FUEL TANK 11 i 1
-SEE ARCHITE �' CG- 9
�. ` ,� LIGHTING PLAN NG DETAILS AND LOCATIONS
69
- - - -, 4 2 . BEND (TYP.)
CONC O `
I cPROPOSED i
;_ � �. , 25 � ' � `� 15.''► / �� � 10' BUILDING SETBACK ` t
t STOP SIGN \ �.. .�,;
t pQ�� / co 1
..
6A.1 70
PROPOSED DO CG -2 14.5' CG -12 RAMP
r REF. ARCH. \ !
1, NOT ENTER SIGN MULTI- PURPOSE
,
-wool �°' 663 07 9CHC 6$ CG - 12 ' 883.70 � %� PS � / •`''~ o�� / r PLAYING FIELD
" a ✓' �� �� j
FIRE HYDRANT T9c 16.4 , TC 883 LI
.00 D j - ! EXISTING TREE N E
�'- EXTENT OF PROPOSED 4 PROPOSED HTI 682.
, ,
ASPHALT DRIVE - Tsc R LIGHTING EP 3.40 DR 2 OFF dt
(�•) T mum 3 PICK UP AREA TIE - IN PROPOSED ,__, - - _`- - - - - -I
Tc c 0 g' 3 iiiiiiiiiiii STORM SEWER ..
002.30 882.85 �
6O' ( PROPOSED 8' ADS , INTO EXISTING LINE
f . TC Q41h T 83.7tt 683.70 683.72 R ROOF DRAIN SYSTEM
TC 1'
€883.40 64.00 _. PRO
s oeT \ 4 4 8 5 B P D i
1 v T WE
� Tc\ CG 6 CURB 1 , 1 R OS D ,cg .. w� BOLLARDS (2) l; � _._ . _ _ - 6 I '
' STOR SE
666.30
q' & GUTTER PARKI G P CE REMOVABLE .- , 83
.,,. 5.7
27.5' T / / �� PROPOSED ASPHALT OUTDOOR BASKETBALL COURT I
I I CONTRACTOR TO CLEAN OUT CG -2 CURB 16.4' 6.4' -- -~- -- - SEE ARCHITECTURAL DRAWINGS
EXISTING INLET AND DRAIN PIPE 895.10 885.10 685.OQ 884,80 684.60 ! 684.1 l
I) �
- L TG
GREATER THAN OR EQUAL TO 6a4.80 r . Tc T _
EDGE OF ASPHALT \ -
i 1 -
8 OF DUMPSTER BEYOND FRONT
_ _ �_ -_ 5.33
.. _. 4
�- - 4.
_ - --
18.4.12.198 n
!I 685 MOUNTABLE CURB.-
_ Bw�
50 Tw- 691.50 r t '� -._ _.. � 5 CONCRETE SIDEWALK °-
3t -
PROPOSED RLOCATED, ew = '4. Bw =364.30 _� 1> ';: t.. J ,.�' v SEE DETAIL, SHEET 4 -
-}- 1
EXISTING 20 PROPOSED MASONRY
L
I 15.3 x17.5 DUMPSTER LOCATION � _
' UTILITY EASEMENT` 16' BENCH - BRICK
SEE SHEET 4 FOR DETAILS ON THE �''�- ; '0w =664.00 - -_ _ -___. _
I I DUMPSTER PAD AND RETAINING WALL TO MATCH BUILDING -
I PROPOSED MASONRY
�_.
6' -8' TALL MASONRY ENCLOSURE WALL _-� �^ t - -- _ -- 16 BENCH -BRICK
` PARTIALLY EMBEDDED IN TOPOGRAPHY _t �` = -- �- -' ^" - -- ' a o W- TO MATCH BUILDING
,�
�\ ` ' =? ' W ! BW= 84.00 ✓- z ✓' f '1 U" P;VC
10 C YPRESS) p" PINE.
BRICK TO MATCH BUILDING B..
Jc?✓'% r y , � �} _` >� .,� +. r' �l y � l t _. 1 0" cll ;PYE _
Cp
z
- - l c _ "� 1..,
--
; PROPOSED Z �"� a ! �C ,
/ ; 4. - is `�-`� '° 6 FIRE LINE rte, N
- _
1 �,
z.� N85 01 40'°W / TP
TY LINE \,,` ` �� z f< \ 1 TIE IN 6" FIRE LINE --6 - _
C CURVING PROPER II /��. f _ _� ,. 3 _68 -
.,_. L_ ^ -- -� -: i TO 12 W WITH T.S.&V.... _ _ - -_ % 78
1 N1
DELTA 1 15 I I 6 0 -680 _. - - -- -- -
R =2968.40 _. _ I - -- - ---= .;_�___ _ - - - _ GRAPHIC SCALE
-
-
ARC =68 = �_ _ _ -� _wi -- - -wF - -- - w? - -_wi - l- - -wl-- -- w!-- wd- -wi wl== w� _ - wF - -wl- - - -Wi wr 30 80
4
� � - "- ` wh 0 1S
_ (STING EDGE OF - P A VEMENT
�`�`�
-
`o`er tf' 6dy � �j
`� `, �' �� �� U.S. ROUTE 250, ROCKFISH GAP TURNPIKE �o� �� �
o� .
EXISTTfVG TRAFFIC SIGNAL AT INTERSECTION OF s,
SCHOOL ENTRANCE AND ROUTE 250 ` \ VARIABLE WIDTH Row
( IN FEET )
1 inch = 30 ft.
i
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m
Collins Engineering, L.L.C.
800 East Jefferson St., 300
Charlottesville, VA 22902
P 434 566 3013
F 434 245 0300
CE PROJECT NUMBER 072009
BROWNSVILLE
ELEM SCHOOL
ADDITIONS AND
RENOVATIONS
5870 Rockfish Gap Turnpike
Crozet, Virginia 22932
VA' DOE PROJECT NUMBER 294.1F
VMDO PROJECT NUMBER 07 1 015
IC97 T ' R OLLINSZ
Lic. No, 035791,9
j - J"0 '
ti
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drawn by /checked by
KEY PLAN protect nort l
05.13.08 FINAL SITE PLAN
E&S AND
STORMWATER
MANAGEMENT
SITE PLAN,
GRADING,
& UTILITIES
3
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MAL WATER & ,SEWED
DITIONS
ANUAKD Gts -I
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5.29.08 FINAL SITE FLA
E &S AND
STORMWATER
MANAGEMENT
SITE PLAN Na
4ND DETAILS
RAINTANK DETAIL - NOT TO SCALE
15" HDPE PIPE 21 24" HOPE PIPE 23
BOTTOM OF RAINTANK =669.92 INV IN =669.92 INV IN =669.80
INV OUT =669.90 INV OUT-669.68
595 TRIPLE RAINTANK UNITS
L =4.00; S =0.5071 L =24.16; S=0.5071
STR 2: DI -3B
TR. 18
STA: 10 +00.00
STA: 10 +06.90
RIM- 683.00
RIM-681.67
22 INV. 678.40
INV. 678.36
575.00 IS -1 REQ'D
INV. 678.26
TOP OF RAINTANK
IS--1 REQ'D
685
t -0.45
• 874.22
IS -1
REQ'D
CONTRACTOR SHALL
I
30" HOPE PIPE 21
�STR.
INSTALL A SCREEN
OVERFLOW PIPE
STA:
IN FRONT OF
2 MAINTENANCE PORTS
INV IN =671.45
RIM: 675.97
OUTFALLING PIPE
1 INSPECTION PORT (12" PVC PIPE)
INV OUT-671.40
669.90 -- - - --
680
(6" PERFORATED
L =4.00: S =1.2571
669.80
RONT
PVC PIPE)
IS -1
REQ'D
'
1
I
L4
-- - - - - -- --- - - - - --
675
II
I I
1
4" HOPE PIPE
1 675
INV IN =671.75
100 -YEAR STORM ELEV - 674.15
_
_
INV OUT - 671.72
/
10 -YEAR STORM ELEV - 672.58
D.I. CL. AD
L =5.30; S =0.5071
2 -YEAR STORM ELEV = 572.09
15" HDPE PIPE 21 24" HOPE PIPE 23
BOTTOM OF RAINTANK =669.92 INV IN =669.92 INV IN =669.80
INV OUT =669.90 INV OUT-669.68
595 TRIPLE RAINTANK UNITS
L =4.00; S =0.5071 L =24.16; S=0.5071
STR 2: DI -3B
STR 4: DI -3B
STA: 10 +00.00
STA: 10 +06.90
RIM- 683.00
RIM: 683.40
22 INV. 678.40
INV. 678.36
575.00 IS -1 REQ'D
INV. 678.26
IS -1 REQ'D
IS--1 REQ'D
685
t -0.45
IS -1
THIS SHEE
DETAIL 1 680
75
O
STR 6: DI -7
STA: 10+72.30
RIM: 684.58
FINV. 677.94
INV. 677.84
IS -1 REQ'D
5
" H 6 0 LF
UNE
18" � 1 7.01
STR 8: M.H.
STR 10: DI -7
STA: 11 +99.31
STA: 12+44.26
RIM: 683.12
RIM: 683.22
INV. 677.20
INV. 676.80
INV. 677.10
INV, 676.70
IS -1 REQ'D
IS -1 REQ'D
95
e "
STR 12: DI -7
STA: 13 +74.76 STR 14: DI -7
RIM: 683.23 STA: 15+26.29
INV, 675.95 RIM: 683.00 STR. 16: M.H.
INV. 675.95 V. 675.09 STA: 15+56.32
INV. 675.85 �' INV. 674.99 RIM: 682.93
IS -1 REQ'D IS -1 REQ'D INV. 674.84
INV. 674.74
---- -- PROPOSED, GRADE -- - - IS -1 REQ'D
1. j I L1
STM. PIPE 15 !
• P�-�3 24" HDPE 30.04 LF
t" HD E 151.52 LF O 0.507
670 __ - _ - 0• 100. A O 0 STM_ PIPE 17
NOTES: - - - - -- - -- - j 24" HDPE 141.81 LF --
I. ENTIRE RAINTANK SYSTEM SHALL BE WATERTIGHT AND SEALED WITH A 30 MIL. PVC LINING. I O 2.04x
2. A GEOTECH GRID OF AT LEAST 12" WILL BE PLACED OVER THE RAINTANKS, SEE SHEET 4 FOR DETAILS. 668
3. A TRASH RACK SHALL BE INSTALLED AT THE 12" LOW FLOW ORIFACE.
LO 00
NOW 1! V O �- '` ` '`� ' ` a '` ao 00 N 000 C 0 00 00 00 0) 00 N 0 N 00 N co �- 00 �- 00 O
CHANNEL ANALYSIS BASED ON R6 T - (D o0 ca 00 (0 00 cn o0 ca 00 cn c,7 W 00 c0 00 cD o0 ca 00 c0 00 ca 00
INSPECTION I!¢ PARABOLIC SHAPE "` \ W � to t0 � � to � � D
(DEPTH= 6" & "n =0.06) ' -- - \ �\ 10+00 10 +50 11 +00 11 +50 12 +00 12 +50 13+00 13 +50 14+00 14+50 15 +00 15+50 16 +00
FLOWS DRAINING TO THE MS -19 �
CROSS SECTIONS ARE EQUAL TO TH
SUM OF THE ROUTED FLOWS AND - "-
THE "ADDITIONAL OVERLAND STM S 2 T4 OUT
DRAINAGE" FLOWS. / - -- - -~. - - -_• .'__ `^- _
- .__. -- _ - -._- __ _.- -. - --• -- i---' �_ � �` '` -.. �. ``' 1 _ --- -. \„ -.,, '_'. -` \ � .``� --- _,_, -- =`'1 `-
�, � � �---_. _.,` � c =am \ �,�r -__ _._.. -- __.__ __ _ -` .-,. • _ - -_', -_.- -- -' { \ ... .`` - \�, ` `�` _= ".._ �_� �_ � -... _.__. _ ... 1 -.
j I ADDITIONALNAGE,\
AREA CONTRIBUTING TO - -
MS -19 CROSS SECTIONS
(D.A.- 0.11 ac, Tc-5 min.,
_ Cw =0.45)'
__ -- - -- _ � . �'" /' � _.` _--- .--_ . T .. �•., _ - _._... -- - _.-- PROPOSED RAi 1�"ANKS
SEE SHEET 4 FOR DETAILS'" - -
Q r 04 i ch
Q,. =8 15 cfs
n _
`. =0.21 ft. 1 � _Y Y I C I� � � �� � ~ W w ` W � � 6 W 1 n
12.85 ch t ' �%� ti / l n \ s
MS -19 OUT �i. F Fr = R 4 -.6 222
D.A. =0.58
u'
r�v i ,
-- _ - a /
1. � w
` // �
Tcm 5.0
0,-6.04 09 C = 0.70 "'Y `I
V fps . = �J 4- _ __. �_.- - -_ -._ _.__..J 1 / --_
-- -- .. 12:85 cfe MS-1p ouifAil '� , / % %�/ / { 11 , S1�R. 14 + ;
=0.26 fR__ STA 1 +00 I
D.A. = 1.61
- ADDITIONAL oVERLAN6 - `; , , / /� �% / / _ Tc- 12.0
DRAINAGE CONTRIBUTING TO / ;� /� �/ ' Cw= 0.52,
MS -19 CROSS SECTIONS
(D.A. 0.11 ac, Tc 5 min.,
Cw -0.45)
Q -6.04 cfs - --_
V;.36 fps
r-
16 +50 17 +00
` l
1
1\ 5 r E NCB 1 i
i
1 1 �.
12.84 `dk MS -19 OUTF �' ' / `� 1 / r �j • 1 l
� 1=0.36 ft• STA -O+DO-
_
I
cr
STR. 12 / cr
_ .A. =0
ne.wiu. we'� u. ♦ .%r z._.... -- - ` \ `� 1; 1 _ Tc 10.0
i'L 1
i
STR
L
�►� 7 _ _ 9,41
I 0 000 0 11
'
/ I
SIR. 2
-
D.A. =0.61
it T cm 5.0
w= 0.75
30
GRAPHIC SCALE
30 60
120
( IN FEET )
1 inch = 30 ft.
1 i D. A. 0.38 / /
Tc= 8.0
3
D. A. =0.33
-4
_�_•,.,.
D. =0.54
/ L1 -� - err I
Now Tc= 5.0 mom �� g PINE. - ,l
Own '�_ ..�-'�- - �-'�- �s -- 7 -- - � Jr � �°'$ - ,�± -.�!"' -- c - -- � _. ,___ o_---- cr------ cr-, �--- 'c- �-- � =--= • C� - �� -- - _ 1 � _ - __a te __,, l _ ____ ' ..�A ��
qwTr 9.8
I NE \ 10" CYPRESS �iG" PINE
�'' � � ,�c✓ 4y\ /� � i `' � -` � � '' � �" `� � 'C ,✓ --"-�
10" CYPRESS �
`_
\ j 1 r ,
N85'01'40'* `v / TP
�_ �_•- - - - -- ^ stir = w1 === w� � .� - - - .-' 1' ��_== ikl-= .-= �--- ._".""'." �""'_wl..___ I -- __ __wr- ---- eci- • �hf1'.�.�.�. JO[°.- ,� -.... _.= S ACL---- _� - -- � �- � = 'yj= � `I-- ..�. -- 1 -, 1
V w 6� 6
% �Q U.; . 0 TE ?50, t�Cl�l= - 4`H GA TU�?NPIKE 1 19
\ \ \ VARIABLE WIDN Row \ \ \ \
( IN FEET )
1 inch
OVERFLOW PIPE DETAIL - NOT TO SCALE
30" HDPE
OVERFLOW PIPE
INV.= 671.40
24"
PIPE 23
24" HDPE
INV.= 669.80
NE CORNER+
RAINTANK PLAN VIEW GROUND ELEV.-676.25
DETAIL - 1 " =10' TOP OF RAINTANK -674.22
PIPE 23:
595 TRIPLE 24" HDPE
RAINTANKS
STR 22: M.H. -
PIPE 21:
30" HDPE w/
15" LOW FLOW
TT
HDPE
_ 76.
SEE SHEET C4.0 FOR DIMENSIONS
OF TRIPLE RAINTANK UNIT
PIPE 19:
12" HDPE
STR 18: M.H.
PIPE 17:
24" HDPE
20 1
UNITS
FOR DETAIL
koPOS'b
RAINTANK
TOP =674.22_
BOT =689.92
NOTES:
1. THERE SHALL BE A MINUMUM OF 18 " -24" OF 95% COMPACTED COVER OVER THE RAINTANKS.
2. STR. 11 IS A PORTION OF THE EXISTING DRAINAGE SYSTEM THAT WILL BE INCORPORATED
INTO THE PROPOSED DRAINAGE SYSTEM.
3. ALL INLETS WILL REQUIRE IS -1 SHAPING.
STR.
18: M.H.
'\
Q� =8.04
STA:
i 2.75
=8.15
�Da
�TFF
=0.36
685
12.85
>+q0
t -0.45
` l
1
1\ 5 r E NCB 1 i
i
1 1 �.
12.84 `dk MS -19 OUTF �' ' / `� 1 / r �j • 1 l
� 1=0.36 ft• STA -O+DO-
_
I
cr
STR. 12 / cr
_ .A. =0
ne.wiu. we'� u. ♦ .%r z._.... -- - ` \ `� 1; 1 _ Tc 10.0
i'L 1
i
STR
L
�►� 7 _ _ 9,41
I 0 000 0 11
'
/ I
SIR. 2
-
D.A. =0.61
it T cm 5.0
w= 0.75
30
GRAPHIC SCALE
30 60
120
( IN FEET )
1 inch = 30 ft.
1 i D. A. 0.38 / /
Tc= 8.0
3
D. A. =0.33
-4
_�_•,.,.
D. =0.54
/ L1 -� - err I
Now Tc= 5.0 mom �� g PINE. - ,l
Own '�_ ..�-'�- - �-'�- �s -- 7 -- - � Jr � �°'$ - ,�± -.�!"' -- c - -- � _. ,___ o_---- cr------ cr-, �--- 'c- �-- � =--= • C� - �� -- - _ 1 � _ - __a te __,, l _ ____ ' ..�A ��
qwTr 9.8
I NE \ 10" CYPRESS �iG" PINE
�'' � � ,�c✓ 4y\ /� � i `' � -` � � '' � �" `� � 'C ,✓ --"-�
10" CYPRESS �
`_
\ j 1 r ,
N85'01'40'* `v / TP
�_ �_•- - - - -- ^ stir = w1 === w� � .� - - - .-' 1' ��_== ikl-= .-= �--- ._".""'." �""'_wl..___ I -- __ __wr- ---- eci- • �hf1'.�.�.�. JO[°.- ,� -.... _.= S ACL---- _� - -- � �- � = 'yj= � `I-- ..�. -- 1 -, 1
V w 6� 6
% �Q U.; . 0 TE ?50, t�Cl�l= - 4`H GA TU�?NPIKE 1 19
\ \ \ VARIABLE WIDN Row \ \ \ \
( IN FEET )
1 inch
OVERFLOW PIPE DETAIL - NOT TO SCALE
30" HDPE
OVERFLOW PIPE
INV.= 671.40
24"
PIPE 23
24" HDPE
INV.= 669.80
NE CORNER+
RAINTANK PLAN VIEW GROUND ELEV.-676.25
DETAIL - 1 " =10' TOP OF RAINTANK -674.22
PIPE 23:
595 TRIPLE 24" HDPE
RAINTANKS
STR 22: M.H. -
PIPE 21:
30" HDPE w/
15" LOW FLOW
TT
HDPE
_ 76.
SEE SHEET C4.0 FOR DIMENSIONS
OF TRIPLE RAINTANK UNIT
PIPE 19:
12" HDPE
STR 18: M.H.
PIPE 17:
24" HDPE
20 1
UNITS
FOR DETAIL
koPOS'b
RAINTANK
TOP =674.22_
BOT =689.92
NOTES:
1. THERE SHALL BE A MINUMUM OF 18 " -24" OF 95% COMPACTED COVER OVER THE RAINTANKS.
2. STR. 11 IS A PORTION OF THE EXISTING DRAINAGE SYSTEM THAT WILL BE INCORPORATED
INTO THE PROPOSED DRAINAGE SYSTEM.
3. ALL INLETS WILL REQUIRE IS -1 SHAPING.
STR.
18: M.H.
iv
r 1%%-W v
E
STA:
16 +98.13
RIM: 681.67
INV. 671.85
i
- --
685
INV.
671,75
IS -1 REQ
-�
IS -1
REQ'D
I
�STR.
22: M.H.
STA:
17 +31.57
EXISTING GRADE
RIM: 675.97
680
-- INV.
669.90 -- - - --
680
1
INV.
669.80
i
I - 1
IS -1
REQ'D
STM. PIPE 19
24" HDPE 5.30 LF
O o.sox-
STM. PIPE 21
15" HDPE 4.00 LF
O 0.50x
N m
0 6 00 ad
(0 00 �c
►VERFLO PI PE 675
M�PIPE 23
HDPE 24.16 LF
0.50x EXISTING RIPRAP
OUTFALL PROTECTION
1 670
668
O LO
0
r` n
ca �
17 +50 18 +0018 +25
STR 26: DI -7
STA:10 +00.00
RIM: 683.14
INV. 676.92
.n • nr�n
STR 12: DI -7
STA: 13 +74.76
RIM: 683.23
INV. 675.95
r1Al\/ A7 A 09
10+00 10+50 11+00 11+5011+75
STR 2 6 TO 12
j ' HORIZONTAL SCALE
50 0 f 25 50 100
( IN 1 50 ilt
1 inch
1
j VERTIC L S
5 01 3 5 1 10
71
I 1
f 1
30" {
� I
S G
- - I1
PIPE 21
15" HDPE
INV.= 669.90
Collins Engineering, L.L.C.
800 East Jefferson St., 300
Charlottesville, VA 22902
P 434 566 3013
F 434 245 0300
CE PROJECT NUMBER 072009
BROWNSVILLE
ELEM SCHOOL
ADDITIONS AND
RENOVATIONS
5870 Rockfish Gap Turnpike
Crozet, Virginia 22932
VA DOE PROJECT NUMBER 294.1F
VMDO PROJECT NUMBER 07 1015
f�
i
R. COLLINS�
Lic. No. 0357914b.
*
KMK /SRC
drawn by /checked by
KEY PLAN
project north
05.29.08 FINAL SITE PLAN
E8S AND
STORMWATER
MANAGEMENT
DRAINAGE AREAS
& PROFILES
5
•
1
1�,
iv
r 1%%-W v
E
._ - . _•_�
INV. 675.85
685
- -�
ROPOSED GRADE
IS -1 REQ
-�
685
I
EXISTING GRADE
680
1
r
i
I - 1
680
7
'
1
I
675
i
1 675
_
_
1
D.I. CL. AD
107. 1 LF
672
O .9ox
672
H 00
¢g
° x°00
00
Ozc
C9 C9
W4.
CID C°
( O
10+00 10+50 11+00 11+5011+75
STR 2 6 TO 12
j ' HORIZONTAL SCALE
50 0 f 25 50 100
( IN 1 50 ilt
1 inch
1
j VERTIC L S
5 01 3 5 1 10
71
I 1
f 1
30" {
� I
S G
- - I1
PIPE 21
15" HDPE
INV.= 669.90
Collins Engineering, L.L.C.
800 East Jefferson St., 300
Charlottesville, VA 22902
P 434 566 3013
F 434 245 0300
CE PROJECT NUMBER 072009
BROWNSVILLE
ELEM SCHOOL
ADDITIONS AND
RENOVATIONS
5870 Rockfish Gap Turnpike
Crozet, Virginia 22932
VA DOE PROJECT NUMBER 294.1F
VMDO PROJECT NUMBER 07 1015
f�
i
R. COLLINS�
Lic. No. 0357914b.
*
KMK /SRC
drawn by /checked by
KEY PLAN
project north
05.29.08 FINAL SITE PLAN
E8S AND
STORMWATER
MANAGEMENT
DRAINAGE AREAS
& PROFILES
5
•
1
1�,
. . .. . . - - - - - -
-------- - --- T
T able 8: Pipe biiiin
PIPE DESIGN
n = 0.025 for CMP In = 0.013 for RCP! I n = 0.01 for HDPE
T
Foe 1 Hydrob :Pipe
� � � I
Y_ I 1 461 d
Ape run: 24117
2 4 0.61 0.75 0A68 0AN 5.00 7.10 3.25 678.40 678.36 &9 0.013 0,0064 15 4,40 0.03
4 a 0.38 0.59 0.224 0.082 8.00 6.50 1.46 M25 6".94 85.4 0.013 0.0050 15 4.64 0.27
6 a 0.64 0.82 0,443 1.125 8.24 &43 2.85 877 677.20 127.0 0.013 0.0050 16 5.16 0.68
8 10 0.00 0,00 0.000 1.126 8.65 6.30 0.00 077.10 670.80 45.0 0.013 0.0006 Is 5.77 0.81
10 12 0.33 0.72 0.238 1.302 8.78 8.27 1.49 875.70 675.95 130.5 0.013 0,0067 18 5.57 1.20
12 14 0.21 0.41 0.006 1.854 10-00 6.00 0.52 675.85 675.09 161.5 0.013 0.0050 18 4.91 1.71
14 16 1.81 0.52 0.837 2.001 12.00 5.70 4.77 674.99 674.84 30.0 0.013 0.0050 24 6.23 1.79
16 16 0.00 0100 0.000 2A91 12.06 5.80 0.00
3
2
0
1
0
2
4
a
0
4 0
1
52
0
8 In
77*
M_
'875
7 67
5
5
8
417 4 .1 24
674.74 671.85 1141.8 0.013 0.0204 24 10.74 2.01
18 DEr 0.00 0.00 0.000 2.001 12.30 5.64 0.00 671.75 671.72 5.3 0.013 0.0050 24 6.23 2.03
DEr 22 0.00 0.00 0.000 2.091 12.31 5.64 0.00 M.02 M.90 4.0 0 0.0060 24 5.37 2.04
2Z OUT 0.00 0.00 0.000 1 2.001 12.33 5.03 0.00 0 . 00 M.0 .1 0 689-88 24,2 0,013 1 0.0050 1 24 5.35 1 2.11
run: 25-12
20 12 1 0.58 0.70 0.406 1 0.400 5.00 7.10 2.88 676.92 675.95 107.4 0,013 0.0000 15 5.22 0.34
•Pipe 21 is a 12" low flowpipe with a 30" overflowpipe above; together they provide the capacity of a 24" pipe.
Dea' n Year
18
DRAINAGE
D
(IN)
FLOW TYPE
Brownsville Ekman f j I 72009 - __._....._____.r.- ______.
Pro' tary I I Pmpared
KMK j
MST
DUMT WA MI
A
(ACRES)
D.
Q.
St.
Hr
1UNC7ION1.01111
FINAL
INM WATU
RN
Curb and Gutter
inlet
Zw
26
DI-71
V.
R
rb
vv
4 1 0 Y.
W12j;
It
ANGLE
K
N
011
A
H
PURFACRELEV
SIEV
3.35
2.4
WEIR FLOW
12
DI-71
6.23
12.84
0.21
0.41
4.00
0.34
0.5
WEIR FLOW
10
DI-71
6.23
12.84
0.33
0.72
4.00
0.95
1.0
WEIR FLOW
67128
24.16
24
7.91
0.001.
0.03
5.4
0.1
1.5
WEIR FLOW
12.84
0.54
0.82
6.50
2.88
2.1
WEIR FLOW
.54 1 0.82 10.4431 1.77 1 010
1.77
STR 2
STR 6 7
22
oontkw flow
1.8
ris
7.9
5.4
42.5,
0.4
0.16
0
0
017
N/A
0.13
0.16
671.44
675.97
671.50
4.00
24
7.91
0.001
0.00
5.4
0.1
al 1 0.54 1 0.82 10.4431 2.88 1 0.00
all 1 0.21 0.41 0.098 1 0.34 0.00
0.34
STR 6
87R 12 7
rJa
0.3
Na
DUr
1
1
15.3
6.2
95.5
0.6
10.21
0
0
0.32
N/A
0.16
0.17
671.67
674.52
673.32
5.30
24
1 15.34
0.004
0.02
6.2
0.2
Na
1.0
&A 1 0.21 0.41 0.006 1 0.56 1 0.00
1
W" lo�nel slope of
grate o en
1 1 , 11111ft
0.001
roment
should be teed In a sump condition
arm YAII not how a curb spresd, W
YA how
inist spread and depth
will
No
18
---- -- -.-
merit W the 6.5irv?v check
1
suflice f the I corrayance to the 1100I N"
153
10.7
165
1.8
0.63
0
0
0.78
N/A
0.39.
0.41
673.73
681.67
673.73
141.81
24
15.34
0.004
0.56
10.7
0.4
1 1 1 1 1 1
MR 26
7
Na
2.6
we
butt udinel
1
0.001
should be wed In a sump condition
16
Inlets (DI- n
In open
PwAment
a 0 will not how a cub spread, but
will have
153
62
95.5
0.6
0.21
47
0.2289
0.89
NA
0.44
1.00
674,73
682.93
676-44
30.04
24
15.34
0.004
0.12
6.2
0.2
14
5.6
4.9
27.3,
0.4
0.13
46
0.1423
0.42
0.55
0.2111
039
676.113
683.00
676.83
151.52
19
5.36
0.002
0-36
4.9
0.1
1
12
8.5
1 5.6
47.5
0.5
0.17
44
0.11128
0.44
0.58
0.29,
0.65
677.49
683.23
677.48
130.50
18
8.53
0.006
0.73
5.6
0.1
10
72
5.8
41.7
0.5
0.19
46
0.1963
0.50
0.65_
0.32
1.06
67834
68322
678.34
44.95
18
723
0.004
0.18
5.8
0.1
1
1
1
8
7.2
5.2
37.31
0.4
0.14
90
10.2894
0.56
NIA
02111
0.46
679.00
683.12
679.00
127.01
18
7.23
0.004,
0.51
5.2
0.1
1
1
6
4.4
4.5
20.1
0.3
0.11
65
0.1761
0.39
0.51
025
0.77
679.77
694.53
679.77
65.39
15
4.43
0.004
0.26
4.5
0.1
4
3.2
4.4
14.3
0.3
0.11
36
0.0941
0.27,
0.35
0.17
0.44
680.21
693.40
680.21
6.90
15
3.25
0.002
0.01
4.4
0.1
1
2
1
0.00
0
0
0.08
0.10
0.05
0.07
60211
693.00
677-48
107AI
15
2.88
0.002
0.18
5.2
0.1
26
1
1
1
1
0.00
71
0
0.11
1 0.14
10.07
025
677.73
693.14
*Pipe 21
is a 12" bw
flow pte with a 30" overfiow pipe
above; together
they provkle the capacky of
a 24" pipe.
. .... .....
2
4
5
STRUCTURE
DRAINAGE
DRAINAGE
D
(IN)
FLOW TYPE
INLEr
TYPE
AREA
(FT')
PERIMETER
(FT)
A
(ACRES)
C
I
(IN/HR)
Q
(CFS)
Q
(CFS)
I Hy
1HY!Lnft
Curb and Gutter
Curb and Gutter
inlet
26
DI-71
6.23
12.84
0.58
0.70
4.00
1.62
1.5
WEIR FLOW
14
DI-71
6.23
12.84
1.61
0.52
4.00
3.35
2.4
WEIR FLOW
12
DI-71
6.23
12.84
0.21
0.41
4.00
0.34
0.5
WEIR FLOW
10
DI-71
6.23
12.84
0.33
0.72
4.00
0.95
1.0
WEIR FLOW
6
D1-71
6.23
12.84
0.54
0.82
4.00
1.77
1.5
WEIR FLOW
i Table &SLF WM P!!
T
STRUCTURE
DRAINAGE
D
(IN)
FLOW TYPE
INLET
TYPE
AREA
(FT 2
PERIMETER
(FT)
A
(ACRES)
C
I
(INMR)
Q
(CFS)
I Hy
1HY!Lnft
Curb and Gutter
Curb and Gutter
inlet
1
26
DI-71
6.23
12.84
0.58
0.70
6.50
2.64
2.0
WEIR FLOW
2
14
DI-71
6.23
12.84
1.61
0.52
6.50
5.44
3.3
WEIR FLOW
3
12
DI-71
6.23
12.84
0.21
0.41
6.50
0.56
0.7
WEIR FLOW
4
10
DI-71
6.23
12.84
0.33
0.72
6.50
1.54
1.4
WEIR FLOW
0.9
6
DI-71
6.23
12.84
0.54
0.82
6.50
2.88
2.1
WEIR FLOW
i Table &SLF WM P!!
T
T" •
•
INLETS IN S", DESIGN (C1.1111111111
SIPMAD AND IN AND DWrrM
hterteity 4.00
mannirve cosecient n Is 0.013
s 4 inthr for spread, sind 6.5 irft T-
for and depth)
""qj -
6 Inlet 7
Inlet
1
I Hy
1HY!Lnft
Curb and Gutter
Curb and Gutter
inlet
id
i ZS
A
< Q
Er
Ion 0.20 0.76 0.160 0.80 0.00
- rWt 0,41 0.75 0.3011 1.23 0.00
0.00
1.23
0.0010 10.0500 2.0 0.0830 1.6800 413 0.80
0.0010 1 0.0600 2.0 0.0830 1 .e000 6.25 0.08
1
VTR 28
6.0
combined flow
1.6
d d
0.415
Wt
1 0.20
10,75
10.1801
X 0.50 0.224 090 0.00
N]
0.90
0.00 0M00 1 2.0 1 0.0W I 1.69DO 6. 68 0,74
STR 4 2B
6.0
2.0
0.9
1.6800
0.258
rVt 1 0.41 0.76 0.300 2.00 1 0.00
.54 1 0.82 10.4431 1.77 1 010
1.77
STR 2
STR 6 7
Na
oontkw flow
1.8
ris
all 1 0.33 10.72 10.2381 045 0.00
0.95
1 1 1 1
M 4
2B
8.0
sm 10 7
n0b
1.0
rVa
al 1 0.54 1 0.82 10.4431 2.88 1 0.00
all 1 0.21 0.41 0.098 1 0.34 0.00
0.34
STR 6
87R 12 7
rJa
0.3
Na
......
s+11.61 0.52 10.6371 3.36 0.00
3.35
1 1 1
STR 14 7
Na
3.3
rya
7
rds
1.5
Na
of 1 0.58 0.70 0.408 1.62 1 0.00
1.62
1 1 1 1 1
STR 26 7
Na
1.0
&A 1 0.21 0.41 0.006 1 0.56 1 0.00
rVa
W" lo�nel slope of
grate o en
1 1 , 11111ft
0.001
roment
should be teed In a sump condition
arm YAII not how a curb spresd, W
YA how
inist spread and depth
will
No
-for fir-11. . Ifflew
- ities,
-----
---- -- -.-
merit W the 6.5irv?v check
storm
suflice f the I corrayance to the 1100I N"
'Tab* 6: Sum hW
•
INLM IN SLOP, DOM (Q= SPREAD AND INLET SPREAD AND D"
---- -------
ity Is 4 inthr for spread, and S. 5 in/hr tr capacity am
Mani d6s d It, n 1 0.013
Inlet
1
1HY!Lnft
Curb and Gutter
6
inlet
id
A
d d
Wt
1 0.20
10,75
10.1801
0.96 1
0.00
0.96
0.0010
1 0.0500
2.0
0.0830
1.6800
1 5.74 1 0.73
rVt 1 0.41 0.76 0.300 2.00 1 0.00
2.00
0.0010 1 0.0500 2.0 0.0030 1.000 1 7.51 1 0.01
STR 2
20
6.0
oontkw flow
3.0
0,573
al 1 0.38 10.59 1 0.ZN 1.46 1 0.00
1A6
0.0010 0.0500 2.0 0.0630 1.6600 1 6.67 1 0.54
M 4
2B
8.0
1.5
al 1 0.54 1 0.82 10.4431 2.88 1 0.00
2.88
STR 6
7
rhb
is
rVa
ad 0.33 10.72 1 0.238 1 1.64 1 0.00
114
1 1 1
STR 10
7
rds
1.5
Na
&A 1 0.21 0.41 0.006 1 0.56 1 0.00
0.56
STR 12
7
Na
0.6
No
aid 1.61 10.52 10.8371 6.44 1 0.00
5.44
SIR U
7
fft
5.4
Na
0.58 10.70 10.4061 2.64 1 0.00
2.64
1 1 1 1 1 1
MR 26
7
Na
2.6
we
butt udinel
slope of
0.001
should be wed In a sump condition
Inlets (DI- n
In open
PwAment
a 0 will not how a cub spread, but
will have
inlet am
tr Inlets draining
to itormv6water
iisilapenterlt iiciklei, tlls 6.5inthr check
storm
4--
will tufts for the 10yr corw*ysnc balties'
T ..............
Collins Engineering, L.L.C.
800 East Jefferson St., 300
Charlottesville, VA 22902
P 434 566 3013
F 434 245 0300
CE PROJECT NUMBER 072009
BROWNSVILLE
ELEM SCHOOL
ADDITIONS AND
RENOVATIONS
5870 Rockfish Gap Turnpike
Crozet, Virginia 22932
VA DOE PROJECT NUMBER 294.1F
VMDO PROJECT NUMBER 07 1015
G'
SC/7 ' R. ' COLLINS , %
k--4
Lie. No. 035791.1.,-,
i, -Ths/`
IONAL
KMK/SRC
drawn by/checked by
KEY PLAN
protect north
05.13.08 FINAL SITE PLAN
E&S AND
STORMWATER
MANAGEMENT
DRAINAGE
CALCULATIONS
101
L107
1
e,AII.A. W
mom
ftM PWM TO MMMN:
1 TREE PLANTING �« Nei .T,
i
s =n1tRAW= oR «W 1tiANr swsee ewoeo er.
A ROOTBALL PIT
�CflCll N.T.
Plant List
Notes Description Common Name Quantity Caliper Size Comments
Calculations:
INTERIOR CANOPY
PARKING LOT AREA: 19,652 sf 0:45 AC
CANOPY REQUIRED (5 %): 983 sf 0.02 AC
CANOPY PROPOSED: 1,829 sf 0.04 AC
cano
Cm rvWiva Mw ChrekMrt - To able Ouc"m Lwdwwplt !%gw
(FTM&MA4 FP TTr *2"111 -297 r ww eese► AAS ""Wwa )
t.
'Tree► to � eersd;
O Lritailr t�f elr►e'ii� {w dYiplinr it M►a t�� 11� raved);.
Lumkan imd lyre s kx*vc fauw%
0 cared. tr,!se wale or veils;
0 ftpoW or tuandrg beywd Ilse lie b of dam•
Q All � b be sennd bo rneds;+d vim plat or rfbbgst et a height olwaty tiisiibiw m equipment mpergtats.
0 A U dAUb*a=Wtw tu modftbobsoloopwWmd4fpmodbiyaCo=ityIrdpscbr..
Tree prseetverion and profteekm msesswrs shell be revilowtd with the oonn otot' on sits.
4. c)reten ea.`
Howy 9*dpmrht "Jumier tretfflo end amp of coratmodion zswaiais induding soil smell not be .pwmitied is*& the ck4*" of trees
to be saved.
Such devices shell net advreelyal ieot trsee w br saved•
Fi ►acs am net Pam" Within Inn t'oat of the cbi }alma of tXvcr %- he ► wo&
10 Tcw a ►aT crin 00 no be rtomd within 100 fact of tW 6ipifita rf trm to Ao roved.
T 1 4 nad within AA firct of s p►etipcnra] 1- -AA; ng org►lrciing 11CNVity isla►li s. lxvtuaticd by fbrwitlg.
Okuda „__ \\�� - - � -.,, fl a � rdl i 1 n1 I he utspeorad epi y t; tot p icN R "8
_ �� ^.,_ to
n.
,
s bu rW*W widdu &L .chiplim of v t rev o be ►wv4 w Iso woU #W bu prw4do l ,teal a a mAmudm dOW
,
1
rd.
' - rubs ” � Rt
I, ,i - �\ ��uad l ppr �val
WiA Ov, Wt+und kwcl nit*( toluwtne+d *db ti thv elf oisw a Iruu to Iw wwud .e tmv wall ►sled 1v vidud' .and v u"Utn edun &-t au
LIMITS OF CLEAR NG
- � _ __ � sutitrokted for
LM
Nas
% 4 ve
a ro tsooTw. M
g
t of ones pare Peas to stal e
2 TREE PLANTING ON SLOPE W.
r!M'tiON N,TA
L AL► T fly
1 71�t r.
s so sm aLLM rw 'oo► * To 0111ftil .rar oroaa+"
` Ri► eM T S 0 �T i l! "peoft T" M TWV
111sree To e00TeUM-1
3 SHRUB PLANTING ,...
!lCTIaN N.T.S
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NOTttt IT IS TVL IlML OPERV RI POPCMIpLTTY TO COMA WITH THE CONTRACTOR ON TR21 C(;fN SERVATIO.
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1. SUBMIT PLANTING SCHEDULE SHOWING COORDINATION OF NORMAL
PLANTING TIMES WITH CONSTRUCTION SCHEDULE FOR OTHER (RELATED)
WORK.
2. LAYOUT AREAS OF PLANTING AND LOCATION OF EACH MAJOR
PLANT, FOR REVIEW BY ARCHITECT PRIOR TO START OF PLANTING,
3. PLANT SIZE AND QUALITY: PROVIDE SIZES OF PLANTS AS
SHOWN OR SCHEDULED, CONFORMING TO ANSI Z60.1 "AMERICAN
STANDARD FOR NURSERY STOCK" FOR SHAPE AND QUALITY,
4. FURNISH BALLED AND BURLAPPED (B&B) SHRUBS, EXCEPT
CONTAINER -GROWN PLANTS MAY BE FURNISHED IF INDICATED SIZE IS
BELOW LIMIT ESTABLISHED IN ANSI Z60.1.
5. FURNISH GROUND COVER PLANTS IN REMOVABLE CONTAINERS OR
INTEGRAL PEAT POTS.
6. WARRANTY LAWNS, THROUGH SPECIFIED LAWN MAINTENANCE
PERIOD AND UNTIL FINAL ACCEPTANCE.
7. WARRANTY PLANTS, SHRUBS AND TREES FOR A PERIOD OF ONE
YEAR AGAINST DEATH AND UNHEALTHY CONDITION EXCEPT AS MAY
RESULT FROM NEGLECT BY OWNER, DAMAGE BY OtHERS, AND
UNUSUAL PHENOMENA BEYOND INSTALLER'S CONTROL. REPLACE AT
OPTIMUM PLANTING TIME.
8. PROVIDE TOPSOIL TO SUPPLEMENT THAT (IF ANY) SHOWN AS
AVAILABLE FOR REUSE AT SITE. PROVED CLEAN, FERTILE, FRIABLE,
NATURAL LOAM OBTAINED FROM A LOCAL, WELL DRAINED SOURCE.
9. PROVIDE FERTILIZER, HUMUS AND OTHER SOIL AMENDMENTS OF A
TYPE WHICH ARE KNOWN TO IMPROVE PH CONDITION OF SOIL FOR
PARTICULAR P T T PLANTED. MIX P EAT HUMU F
A ICULAR LANT MATERIAL 0 BE L ED• E U US ( S
Q -P -166 WITH TOPSOIL IN THE RATIO OF 1:3 FOR USE IN PLANTING.
FOR BASI OF QUANTITY, ASSUME TOPSOIL WHICH HAS NOT BEEN
STRIPPED IS 4" IN DEPTH.
10, FERTILIZE TOPSOIL FOR PLANTING TREES, SHRUBS AND GROUND
COVER WITH A 5 -10 -5 (5% NITROGEN, 10% PHOSPHORUS AND 5%
POTASH) COMMER AL FERTILIZER, APPLIED AND MIXED AT RATE OF
NOT LESS THAN 0. Z5 LBS. PER CU. FT. OF SOIL AND HUMUS.
11, FERTILIZE TOP OIL FOR PLANTING GRASS WITH A HIGH - NITROGEN
CONTENT COMMERC AL FERTILIZER L CONTAINING 4% PHOSPHORUS, 2%
POTASH AND NITROGEN IN SUFFICIENT QUANTITY TO SUPPLY NOT LESS
THAN 1.0 LBS. OF ACTUAL NITROGEN PER 1000 SO. FT. LAWN AREA.
PLANTING SHRUBS:
12. EXCAVATE PI OR TRENCH TO 1 -1/2 TIME DIAMETER OF BALLS
OR CONTAINERS, 0 V -0" WI R 3"
SPREAD OF ROOTS D
DEEPER THAN DE THAN SPR A EQ IRED FOR POSITIONING AT PROPER HEIGHT.
AN HT.
LIGHTLY COMPACT LAYER OF TOPSOIL IN BOTTOM BEFORE PLACING
PLANTS. BACKFILL AROUND PLANTS WITH TOPSOIL, COMPACTED TO
ELIMINATE VOIDS AND AIR POCKETS. WATER THOROUGHLY AS LAYERS
ARE PLACED, FORM GRADE SLIGHTLY DISHED, AND BERMED AT EDGES
OF EXCAVATION, APPLY 2" MULCH OF PEAT, STRAW OR OTHER
RECOGNIZED ORGANIC PLANTING MULCH.
13. PRUNE SHRUBS TO REMOVE DAMAGED BRANCHES, IMPROVE
NATURAL SHAPE THIN OUT STRUCTURE AND REMOVE NOT MORE THAN
15% OF BRANCHES.
PLANTING GROUND COVER:
14. TILL SOfL TO DEPTH OF 8" IN AREAS WHERE TOPSOIL HAS NOT
BEEN STRIPPED.
15. LOOSEN SUBGRADE TO DEPTH OF 4" IN AREAS WHERE TOPSOIL
HAS BEEN STRIPPED, AND SPREAD TOPSOIL TO DEPTH OF 4 ", EXCEPT
AS OTHERWISE INDICATED,
16. SPACE PLANTS 2' -0" APART BOTH WAYS, EXCEPT AS OTHERWISE
INDICATED. DIG HOLES LARGE ENOUGH TO ALLOW FOR SPREADING OF
ROOTS. COMPACT BACKFILL TO ELIMINATE VOIDS, AND LEAVE GRADE
SLIGHTLY DISHED AT EACH PLANT. WATER THOROUGHLY. APPLY 2"
MULCH OF SHREDDED HARDWOOD, BARK CHIPS, PEAT, STRAW OR
OTHER RECOGNIZED ORGANIC PLANTING MULCH OVER ENTIRE PLANTING
BED, LIFTING PLANT FOLIAGE ABOVE MULCH.
17. DURING PERIODS OF HOT SUN AND WIND AT TIME OF PLANTING,
PROVIDE PROTECTIVE COVER FOR SEVERAL DAYS.
LANDSCAPE MAINTENANCE:
18. MAINTAIN LANDSCAPE WORK FOR A PERIOD OF 60 DAYS
IMMEDIATELY FOLLOWING COMPLETE INSTALLATION OF EACH MAJOR
CATEGORY OF WORK. INCLUDE WATERING, WEEDING, CULTIVATING,
RESTORATION OF GRADE, PRUNING SHRUBS, PROTECTION FROM
INSECTS AND DISEASES, FERTILIZING AND SIMILAR OPERATIONS AS
NEEDED TO ENSURE NORMAL GROWTH AND GOOD HEALTH FOR LIVE
PLANT MATERIAL.
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SEE EXISTING CONDI110NS SHEET FOR TREE REMOVAL CHART
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NOTE: ALL SITE PLANTINGS 0 TREES AND SHRUBS SHALL BE
,: ,, , ;; :, � -, • :,; ___ _ -- -_ .. _ .- . -_ _ .. -- �.' -- ,, .: '/; r,' ,, /;• , , ;;� .'` � L . ' ALLOWED TO REACH, AND BE MAINTAINED AT, MATURE HEIGHT; THE
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- TOPPING OF TREES IS PROHIBITED. SHRUBS AND TREES SHALL BE
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F THE PANT.
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Collins Engineering, L.L.C.
800 East Jefferson St., 300
Charlottesville, VA 22902
P 434 566 3013
F 434 245 0300
CE PROJECT NUMBER 072009
BROWNSVILLE
ELEM SCHOOL
ADDITIONS AND
RENOVATIONS
5870 Rockfish Gap Turnpike
Crozet, Virginia 22932
VA DOE PROJECT NUMBER 294.1F
VMDO PROJECT NUMBER 07 1015
Lie. No. 035791 I
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drawn by /checked by
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05.13.08 FINAL SITE PLAN
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PLAN
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Crozet, Virginia 22932
VA DOE PROJECT NUMBER 294.1F
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AREA LIGHT WfTYPE ONE 250-WATT CLEAR
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- 0.11 0. 0.01 0.00 0100 .00 •
05.13.08 FINAL SITE PLAN
0.00 0100
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0100 0.00 0.00 0.00 0100 0. 0. 0.00 0.00 0. 0.00 0.00 0.01 0.01 0.01 0.01 1 0101 0.01 0.01 0.01 0.02 0.02 .01 0.01 1 0.01 Al 0 000 0.00 0. E&S AND
0
0
0.00 0100 0 0 0 STORMWATER
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0 0
0.00 0.00 0 0 0 0 0 0
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0
0.00 0. 0 LIGHTING PLAN
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SCALE: 1 20
SEDIMENT BASIN DETAIL LL - -�5 IVOTE. STORM PIPE 77 SHALL BE TALLED DURING THE E&S PHASE OF CONSTRUC77ON TO ALLOW DRAINAGE TO OUTFALL IN TO THE
--- ---- . �'� ` `-- S- TRVCTU SEDIMENT BASIN. ADDITIONALLY, S7R.'s 22 & 23 SHALL BE INSTALLED AND UTILIZED AS A RISER & BARREL FOR THE SEDIMENT
BASIN. HOWEVER, THE INSTALLA77ON OF S7R.'s 18, 19, 21 & THE RAINTANKS SHALL NOT BE INSTALLED UN77L THE SITE IS LEGEND
STABILIZED. UPON STABILIZA77ON OF THE SI7F AND COMPLE77ON OF THE CONSTRUCTION EXCLUDING THE PLAYGROUND AND STR.'s 1
PRaPO - - "'�► 19 do 21, THE SEDIMENT BASIN SHALL BE EXCA VA TED AND FILLED IN ACCORDANCE WITH ALBERMARLE COUNTY STANDARDS AT THIS .� .r. LIMITS OF CLEARING
BAFFLE TO RE, DIRECT -. \ - -- -_ _.._.___ �- _._ - POINT THE CONSTRUCTION OF 7HE PLAYGROUND, DOWNS7REAM STORM SEWER, AND RAINTANKS SHALL COMMENCE. THE EXCAVA77ON
FLOW & ELIM14ATE OF THE SEDIMENT BASIN SHALL ONLY OCCUR ONCE AN ALBERMARLE COUNTY INSPECTOR HAS GRANTED APPROVAL. -7 � LIMITS OF DISTURBANCE
`HORT'EIRCUITI _._ '" ~-_1^ - �- 1 CJ
.. . . ...... SOIL 7YP SOILS
E
SOIL TYPE
)G
,r
OF BOX 68 1.7 TOP OF WET STORAGE ELEV.= 672.39
•
' 1-- -- — -- TOP OF DRY STORAGE ELEV.-674.55 \ �"
PEAK 25 YEAR DESIGN STORM ELEV.-675.55 �\ 1 -,� i BAFFLE TO RE- DIRECT
■ r FLOW AND ELIMINATE ,
• TOP OF DAM= 677.55 , �`�..,
, '
�, ^� \ SHORT CIRCUITATING 011 I Y.
FREEBOARD W/0 EMERGENCY SPILLWAY =2.00'
6&418
rwiw�ui►r Cwt
low cow
TI- rlerMOUt
"°
675.56
677.55
6.0
668.0
83•x'
2:1
2:1
Yes
24
3703
0.01
Y"
6.55
2
0.50%
24.16
2
4.0x4.0
No
N/A
N/A
N/A
N/A
N/A
CLEARING _
0.64 AC __ LIMITS OF � �, � - - _ _ ,. � �_ �•� '�- �� ' �'
DISTURBANCE - ` UTILIZE STIR. 22 & 23
1
�� -- 9.05 AC. ��, FOR RISER & BARREL
INSTALL SIR. 22 & 23 IN
SEE DETAIL OF
BASIN -THIS SHEET ACCORDANCE WITH FINAL
-�' -
� '�. _ -___ 1 EXISTING MATURE CONSTRUCTION PLANS DESIGN
° REGULARLY MAINTAINED TO HARDWOOD FOREST t ,_
_. _ ; . _ .__ . -'`� � �' ` •., � •' ULTIMATELY STR. 22 TOP ELEV 675.97
ENSURE DESIGN CAPACITY ;
AND STIR. 2 I { do
d 69 80
� ;� &s1.n -�_ ` �-_ ; ;/ INV. OUT = 69. 8. REMOVE THE 8"
, J f coae�0 000c -__ __- --6 HEIGHT PLYIM000 PAINTED CONSTRUCTION ` 1 MANHOLE COVER AND 9" RING COLLAR
�-_
WALL, COLOR CHARLESTON GREEN. \ 'r,, P
r -�- - _ � TO UTILIZE MANHOLE STRUCTURE AS A
/-
RISER STRUCTURE.
T _
` -
-
_
677. '
� �_
- -
SAFETY FENCE SHALL BE INSTALLED AND REMAIN AROUND THE 884. �,
/ 27 - °..._. ,... "' �.
• i ) ., � � .rnoe an.ruw / w�,r .rwr � . _ -. �w� .w� �wr. awrr• iw.r� wrwr �� _ - ..
.��, ; � -� - •._ `�� �_' '� .: _ _ � 0
BASIN AT ALL ENSURE THE SAFETY FENCE IS R �.
1
SAFETY CONSTRUCTION as _J I -- - + •' \
= > -"'�� DD 41 % ....,_ ^� IN PLACE FOR SAFETY REASONS.
_-
FENCE
S0 PE I N ST ALLE D
NOTE: SILT FENCE S
\ \
__ _ ___ _. 682
-'" �, �• AS N EXTRA E&S T CONTROL MEASURE f
BEHIND THE DIVERSION BERM TO HELP
!� PROPOSED CONSTRUCTION y - 1 �,
- � ENSURE NO RUN -OFF LEAVES THE SITE
ACCESS DOOR ,_� S \ ` rte ` �'
'
TO THE EAST -_- 1
AND DRAINS ONTO TH E
�! � � � ♦ .� „� — � . '•. ADJACENT OWNERS PROPERTY.
62 LIMITS OF CLEARING = 3.94 AC TREE PROTECTION
t \
S
i � r _.. FENCE
�;' �' -- ��'�•'V ���' -�'� INSTALL INV. IN= 674.74 do INV. OUT= 671.85. � � \ ' �•- 4
I ' HMARK ' SIR. 17 SHALL OUTFALL INTO SEDIMENT BASIN.
I �A--I PHASE LINE
FLOW ARROWS
TREE PR07E'C77ON FENC
LAA
\ SAFETY CON57RUC77ON
R an � •` NI LIMITS OF DISTURBANCE ARE NOT THE SAME AS FENCE
SCALE: 1 " =20' THE LIMITS OF CLEARING. NO CLEARING OR
REMOVAL OF 7REES, OTHER THAN WHAT IS SHOWN SEDIMENT TRAP AREA
,.,.,......
SILT FENCE WITH J ON THE CONSTRUC770 PLANS /S PERMI T7L�0.
�-- -
MARE BACKING f \� ��� 1 A� 3 TREES TO BE REMOVED
■ /
r 'if�wt
_.. _
677
_ 1
r - _ -
f •� A 1
968.40
R =2 -_ - _ -- _ - - r w� --- G HIC S LE
— __ -
7 - �' 4 ., . � / � _.___ - --- wl.._..___.w - -•-- -w --mow
- 683.83 --~ _
}-
ARC — w --w N��= w�= � ----w1 _ _- .._. w4—r wF- -wF wl---- wi---- �rl- °- •--wi--- w{-- -- w�`.- -wh- -- wl- -�-w:_ — . - ---wF- W1 —~-': - --wl wF ..
_..- 1— wF-- - w F--
-� — `� 30 0 15 30 60
�`o'`. ��, �� � U.S. ROUTE 250, ROCKFISH GAP TURNPIKE ��o ��, �'. �',
o\ ` ` VARIABLE WI DTH ROW \ NOTE. ALL DRAINAGE FROM S17F,AND PROPOSED SITE., CONSTRUC7ION ORDAINS
( IN FEET )
� � \ AWAY FROM Y�7: 250 NOR 1N_.__QW,�� e,4ea Ck....O�F - A�fE -�
FENCE, AND DIVERSION BERMS SHALL BE USED TO PROTECI 1 inch = 30 it.
-. ---- - - - - -- - -- - -- - -- THE STREAMS AND ADJACENT PROPERTY TO THE NORTH AND EAST.
t
1
I , 1 ST CRY BRICK SCHOOL
FFE =684.68
n- }
IP
' � l
1
r ti'
-
/ • > ✓ 6 i
o
--- -- — ; ,,— \ •-T
PS
I , NOTE: THERE SHALL BE NO ; ✓N -, _--
_ -V4 — CONTRACTOR PARKING, LOADING, �`� i ADC �,--- ♦� - -.
OR STAGING IMTHIN THE EXISTING
t i PARKING LOT TO REMAIN. r I AUTOMOBILE DROP -OFF 1 ' /
J
AND SERVICE AREA MUST STAG N i ce♦ tD
REMAIN OPERATIONAL o TEMPORARY AREA 00
—� -- — • ;,� gi b_ " "' DURING SCHOOL YEAR 2008 -09 STOCKPILE
— ---'— - I ❑ 4Qx1 ,, • • CLEAN WATER i
y" r W07 .• ' DIVERSION BERM
;„_ r - �' \ ♦ �,,� o ENCOMPASS STOCKPILE f
SLOG
SAFETY FENCE TO BE INSTALLED
6 HEIGHT PLYWOOD PAINTED CONSTRUCTION
WALL, COLOR CHARLESTON GREEN TO DEFINE THE LIMITS OF WORKSPACE
�, .. SILT FENCE / 1
.,� � �r . TOR
�`"� cp SHALL NOT EXPAND WORK AR
FOR THE CONTRACTOR. CONTRACTOR
s
INTO ADDITIONAL PORTIONS OFEA �
THE EXISTING PLAYING FIELD.
9CHc �� 1
20' WIDE CONSTRUCTION / � isc
ENTRANCE DOORS ,o ,ec c p / EXISTING FIELD SHALL REMAIN. CONTRACTOR
683
1 0 � ` �
�•• � MATERIAL
,/° i' 6g3 ; t STAGING SHALL REFRAIN FROM USING THE FIELD AS A ,
/ , \ AREA STAGING AREA (OTHER THAN THOSE AREAS
- y MARKED ). CONTRACTOR SHALL RESTORE THE
�� / !` { � �► 6 �� , ` , 40 x120 STAGING AREAS AND OTHER AREAS OF THE
1P, FIELD TO EXISTI PLA YING FIELD CONDITIONS.
_
r .
_
_ -- •\ - � � „� '� ____683 - -- ALTERNATE LOCATIONS FOR MATERIAL STAGING
8/4 STAGING o : / - AREAS AND TEMPORARY STOCKPILE SUBJECT
INSTALL STONE BASKETS OR __ a°` DC 8/4 STAGING a
GRAVEL BERM BEHIND WALL - J PS SF TO AUTHORITIES HAVING JURISDICTION.
c` TO FILTER ANY RUN -OFF BEFORE CE
DRAINING TO EXISTING PARKING OT -
N TREE PROTECTI DRAINAGE
TREE PROTECTION 6g 5 -- �,-, _ ._. v`� ' `� _ x l f _ i SEDIMENT A +
❑ ' 1
- - I t BAS IN-3.66 AC. 4
r -•, - --' B
12X70 i CONSTRUCTION ENTRANCE 687
- x x- + ,
MAY BE SHIFTED AS NECESSARY,'�
i'
' WITH THE IMPROVEMENTS, HOWEVER CONTRACTOR \ _ 1 .. .._. S
` \ --. `ate .. " "` ♦ ..." '""" 684 ♦ 8" ;r.r
I CONTRACTOR TO ENSURE THAT A 1 66W - . �'TIQEE PROTECTI01� / -< \ _ -- _ -_ _- __- ti
MINIMUM OF 12 P X70 CONSTRUCTION - - �- °� .�` - -- - -- -- — — ----- --
ENTRANCE EXISTS AT ALL TIMES._ �- - -- -9W
LI of CLEARR
- �Z M � II� � r r �- ���'�� i rl ` /rtiz` �--'- - 1 -r s� • �-z = ".'-e...4 <� .,,_ �' r��� 1 �-z -- i �� .WANE_ ;Q" CYPRESS - - _- >, ''° , �C�" PINE
.,� � - �� ,
r 4
! 11 `V L r 1 •' J a'-- �C.._/' ,' Zl'Jf• '_2 �1 �t�• r. _._''. �._ t ^` VA 1 .]. _t.'_- f.�J
r . �<.� N8501'40 t - 682 _ _
s \
I! i c , __ _ TREE PROTECTION g0-
CURVING PROPERTY LINE
-
0
DELTA -13 11 ' 15 ! I 68a 6a %+ _ - _ - _ _ _ - -
--
-
678 -
i J
i f f
,
�r
j f l
f �
120
Collins Engineering, L.L.C.
800 East Jefferson St., 300
Charlottesville, VA 22902
P 434 566 3013
F 434 245 0300
CE PROJECT NUMBER 072009
BROWNSVILLE
ELEM SCHOOL
ADDITIONS AND
RENOVATIONS
5870 Rockfish Gap Turnpike
Crozet, Virginia 22932
VA DOE PROJECT NUMBER 294.1E
VMDO PROJECT NUMBER 07 1015
Gz
iC R. COLLINS%
Lic. No. 035791,E
'I'MAL S2��
KMK /SRC
drawn by /checked by
05.29.08 FINAL SITE PLAN
E &S AND
STORMWATER
MANAGEMENT
EROSION AND
SEDIMENT
CONTROL PLAN
9
•
w
i
ko co
LECEND
ROA �
i A
EXISTING CUL VER T
v� HANDBOOK SPEOF/CA TOY NUMBER
CUL VERT
rT r
STRAW BAIL BARRIER
G ,L
DROP INLET 8• STRUCTURE NO.
TEMPORARY DIVERSION DIKE
CURB
ST�6'0
511
CURB & GUTTER
3.13
SB
®
PROPOSED PA VEMENT
314
iP
EC -3A DI TCH
INLET PROTECTION
6"
SF
DEPTH OF EC -3A DITCH
SIL T FENCE
EC -2 DITCH
C£�
6"
DEPTH OF EC -2 DITCH
•••--- -••• ----
EARTH DITCH
4M
DRI VIE Y CUL VE T
3.20
BENCH MARK
OATt
CLEARING LIMITS
3.10
VDOT STANDARD STOP SIGN
ado
EXISTING CONTOUR
{�
PROPOSED CONTOUR
PS
PROPOSED SPOT ELEVATION
3.32
79C DENOTES TOPAACK OF CURB
TO
TAB DENOTES TOP OF BOX
ak VIRGINIA EROSION & SEDIMENT CONTROL
a. r here
vi L v v . f
v� HANDBOOK SPEOF/CA TOY NUMBER
SOUTIO
rT r
STRAW BAIL BARRIER
3.04
OD DV �N�
TEMPORARY DIVERSION DIKE
3.09
ST�6'0
511
TEMPORARY SEDIMENT TRAP
3.13
SB
®
SEDIMENT BASIN
314
iP
to
INLET PROTECTION
3.07
SF
0
SIL T FENCE
3.05
C£�
CONSTRUCTION ENTRANCE
3.02
CD
4M
CHECK DAM
3.20
OATt
TEMPORARY FILL DIVERSION
3.10
DV
-- ---�-
DIVERSION
312
PS
PS
PERMANENT SEEDING
3.32
TO
TO
TOPSOIL/NG
3.30
C/P
CULVERT INLET PROTECTION
3.08
Itys
DUST CONTROL
3.39
O
-
TREE PROTECTION FENCE
3.38
SA
x
SAFETY FENCE
3.01
FOR bin 6M so M.)
TEMPORARY RIGHT -OF- WAY
3.11
DIVERSION
oovar. Tobown aW ni low
GHRKAN IttLL.liT
OUTLET PR07EC77ON
318
ATTACH FILTER FABRIC -
TO STAKES oR PpSTS do
EXTEND / T INTO TRENCH
WOODEN STAKE
RN POST
LEN TH - 5' MIN.
BAC KFILL TE D AND
COMPAC D
4"x4" TRENCH J
SIL T FENCE
sF (WI THOU T WIRE SUPPORT) <E3
NO SCALE
E&S GENERAL NOTES
Genera/ constructea► notes for Erosion and Sediment Control plane
1. The plan opprovlhg authority must be notMred one weak prior to the pro constructkn conlWonce, one
week prior to the commencwnent of land disturbing activity, and one week prior to the Thal
inspection.
2. All erosion and sediment control measures w#/ be constructed and maintained according to mink "urn
sta alkw ds and specMoatiions of the VAr2hla Erasion and Sediment Control Handbook and VI< hla
Repu/atiione VR 625 -02 -00 Erosion and Sedknent Control Regulation.
J. All erosion and sodhhent control measures we to be placed prior to or as the first step In dva hgL
A A copy of the approved erosion and asdlnent control plan shall be mahtahed on the site at all tknea
A Prior to commencing land disturbing actlWilas h cress other than ihdkoted on these plans (Inoludhg,
but not /IMted toy off- sift borrow or wos(e crew), the contractor shol/ submit a supplementary erosion
control plan to the owner for review and approval by the plan approMng authority.
6. the contractor b responsible for lnstat/ation of any odal anal erosion control measures necessary to
prevent sroelon and sedimentatlon as determined by the plan opprov+hg authority.
7. All disturbed areas an to drop to approved ssd/ment control measure* at all times during land
disturbing actlWties and during site development untN final stabl/izatiton Is achieved
d During aswatering operation*, water wll be pumped Into an approved fAtwhg dev ice.
9. The contractor shall Inspect ON erosion control measures perlodkol /y and after each runoff- producing
rohffall event. Any necessary repairs or cleanup to maintain the sffectiwness of the eroskhtn control
deNcss shall be made immediately.
10. All AN moterkil to be taken ffrom on approved doelgnoted borrow area
It. All waste materials shall be taken to an approved waste area. Earth► All shawl be Inert moterlds only,
five of roots, stumpsr, wood rubbish, and other debris.
12. Borrow or waste areas or* to be reciakned within 7 ab)le of completion per Zoning OrdInance section
51.2&
1.1 All heft materials shall be transported In compliance with section 13 -301 of the Code of Albemarle.
14 Borrow, INN or waste activity h v al" hdustrlal- type power equipment shall be !lmited to the hours
of 7.• OOam to 9: OOpm.
11 Borrow, fill or waste activity shd/ be conducted In a soh manner than mokntolna lateral suppo4 or
order to mInlnlze any hazard to persons, phyekd dbmogs to odjacent land and knprovementA and
damage to any pub/k street because o sides, shking, or collgpas.
16. The developer sholl reverve the right to Install, maintain, remove or convert to permanent stormwater
management foc0l" where applicable d/ erosion control measure* requukvd by this plan regardless
of the ads of any lot, uni4 buNding or other portion of the property.
17. Temporary stob 4rotion shall be temporary sesdIng and mulching. Seeding Is to be at 75 /bs /ocm and
M the months of September to February to consist a 50/30 mix of Annual R) eglrow and Cereal owter
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 app/led of DOlbs/JOOsf A/tsmatives are subject to approved by the County
erosion control inspects:
1Q Permanent stobNlzation shall be /Ime and AwtNizw, permanent seedhg; and mulch. Agrkulturd gross
l)meetone shall be applied at 9abs%1000ef, Incorporated Into the top 4 -6 lichee of soli. FertN7zer shall
be applied at 10001b%cre and consist of a 10 -20 -10 nutrient mix. Permanent seeding shall be applied
at 180b %re and convebt of 95X Kentucky 31 or Tall Fescue and 0 - 5X Prmnlo/ R}rpvw or
Kentucky Bluegrass. Straw mulch is to be applied at Ofts/1001ef Alternatives am subject to approved
by the County erosion contra Inspector.
19. Maintenance: All measures Orr to be Inspected weekly and after each rainfall. Any damage or dogging
to structurd measures Is to be repair Immediately. SNt traps are to be cleaned when 50X of the wet
storage volume Is furled with sediment. All seeded onus ore to be reseedled when necessary to achieve
a good stand of gross. Silt tones and dlvlersion dykes which are collecting sedknent to half their height
must be deoned and repaired Inmediate/y.
20. All temporary erosion and sediment control measures are to be removed within 30 days of final site
stabillzotion, when measures ors no longer needed, subject to approval by the County erosion control
Inspector.
EROSION do SEDIMENT
CONTROL MEASURES:
STRUCTURAL EROSION AND SEDIMENT CONTROL PRAC7ICES SHALL BE IN ACCORDANCE WITH THE VIRGINIA
EROSION AND SEDIMENT CONTROL HANDBOOK. STRUCTURAL PRACTICES USED IN THIS SECTION CONSIST OF
THE FOLLOWING:
1. CONSTRUCTION ENTRANCE, ALBEMARLE COUNTY DETAIL - ENTRANCE TO BE LOCATED TO PREVENT
TRACKING OF MUD ONTO ANY EXISTING ROADS.
2. SIL T FENCE, STANDARD AND SPECIFICA 77ONS 3.05 - SIL T FENCE TO BE PLACED WHERE SHOWN ON THE
PLANS OR AS FIELD CONDITIONS WARRANT.
J. TEMPORARY DIVERSION DIKE, STANDARD AND SPECIFICATION 3.09 - TEMPORARY DIVERSION DITCHES TO
BE CONSTRUCTED WHERE SHOWN ON PLANS.
4. INLET PR07EC7101V STANDARD AND SPECIFICATIONS 307 - INLET PR07EC7701V TO BE PLACED WHERE SHOWN ON
THE PLANS OR AS FIELD CONDITIONS WARRANT.
5. CULVERT INLET PR07EC77ON STANDARD AND SPECIFICATIONS 3.08 - CULVERT INLET PROTECTION TO BE PLACED
WHERE SHOWN ON THE PLANS OR AS FIELD CONDITIONS WARRANT.
6. ROCK CHECK DAMS, STANDARD AND SPECIFICATION 3.20 - ROCK CHECK DAMS ARE TO BE PLACED IN
OUTFALL DITCHES AS SHOWN ON THE PLANS.
7 TOPSOILING STOCKPILE, STANDARD AND SPECIFICATION 330 - TOPSOIL WILL BE STRIPPED FROM AREAS TO
BE GRADED AND STOCKPILED FOR LATER USE. STOCKPILE LOCA77ONS SHALL BE LOCATED OFF -SITES AND
ARE TO BE STABILIZED WITH TEMPORARY VEGETATION, PRIOR TO LAND - DISTURBING ACTIVITIES, THE
CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EB:S PLAN TO THE OWNER COVERING THE OFF -SITE
STOCKPILE AREA WHICH WnULD HAVE TO BE APPROVED BY THE PLAN APPROVING AUTHORITY BEFORE ANY
OFF-SITE ACTIVITY COMMENCES
8. TEMPORARY SEEDING, STANDARD AND SPECIFICATION 3.31 - ALL DENUDED AREAS WHICH WILL BE LEFT
DORMANT FOR EXTENDED PERIODS OF TIME SHALL BE SEEDED WITH FAST GERMINATING TEMPORARY
VEGETATION /MMED/A TEL Y FOLLOWING GRADING. SELECTION OF THE SEED MIXTURE WILL DEPEND ON THE TIME
OF YEAR IT IS APPLIED.
9. TREE PROTECTION, STANDARD AND SPECIFICATION 3.38 - A FENCE BARRIER IS TO BE PLACED AROUND
THE TREES AND VEGETATED AREAS WHICH WILL NOT BE DISTURBED TO PROTECT THE 7R£ES AND OTHER
VEGETATION FROM CONSTRUCTION EQUIPMENT AND SOIL COMPACTION.
SOIL DESCRIPTION
3713- HA YESVILLE CLAY- 7 TO 15 PERCENT SLOPES, SEVERELY ERODED.
MORE THAN 80 INCHES DEPTH TO RESTRICTIVE FEATURE. WELL
DRAINED Wi'TH MODERA TEL Y HIGH TO HIGH KSA T CAPACI TY.
WA TER CAPACITY IS HIGH.
oi- URBAN LAND- 85X URBAN LAND COMPOSITION. PARENT
MATERIAL RESIDUUM WEATHERED FROM GRANITE AND GNEISS
SLOPE IS 0 TO 25 PERCENT WITH 10 INCHES TO DENSE MA ]ER/AL.
VERY LOW TO VERY HIGH KSAT CAPACITY.
79- BRADDOCK LOAM- 2 TO 7 PERCENT SLOPES PARENT MATERIAL
ALLUVIUM AND COLLUWUM DERIVED FROM ACID CRYSTALLINE
ROCKS MORE THAN 80 INCHES DEPTH TO RESTRICTIVE FEATURE.
WELL DRAINED WITH MODERA TEL Y HIGH TO HIGH KSAT CAPACITY.
MORE THAN 80 INCHES DEPTH TO THE WATER TABLE, NO
FREQUENCY OF FLOODING OR POND/NG. AVAILABLE WATER
CAPACITY IS HIGH, ABOUT 9.1 INCHES.
EROSION CONTROL NOTES & NARRATIVE
PURPOSE
THE PURPOSE OF THE LAND DISTURBING ACTIVITY IS TO RENOVATE AND EXPAND AN EXISTING ELEMENTARY
SCHOOL AND PARKING FACILITIES THE PROJECT LIMITS ARE 22.40 AC, AND 9.05 ACRES WILL BE DISTURBED.
EVSnNG SITE COINDI
AT PRESENT, THE SITE CONSISTS OF AN ELEMENTARY SCHOOL, PLAY FIELDS AND COURTS, AND PARKING
FACILITIES THE SITE IS MAINLY FLAT AND LEVEL, BUT SLOPES OFF ON THE NORTH SIDE TOWARDS SLABTOWIV
CREEK. THE AREAS PROPOSED FOR THE SCHOOL RENOVATION ARE PRESENTLY FLAT AND USE AS PLAYING
FIELDS. EXISTING PLAYGROUNDS SHALL BE RELOCATED AS SHOWN. GENERALLY THE SITE SLOPES 70 THE
NORTH, TOWARDS SLABTOWN CREEK. THE FLAT AREAS OF THE PROJECT SITE ARE EITHER BUILDINGS, PARKING
AREAS, OR FIELDS. MOST OF THE SLOPING LAND IS ALL FORESTED, WHICH WILL REMAIN WITH THIS
CONSTRUCTION.
ADJACENT AREAS.
THIS SITE IS LOCA7ED ALONG ROCKFISH GAP TURNPIKE, ADJACENT TO J. T HENLEY MIDDLE SCHOOL, WITH THE
OLD TRAIL DEVELOPMENT TO THE NORTH AND WESTERN ALBEMARLE HIGH SCHOOL TO THE SOUTH. THERE IS
ALSO AN EXISTING HORSE FARM TO THE EAST.
A TE LAND DISUMANQE•
THIS PROXCT WILL NOT INCLUDE ANY OFFS( TIE DISTURBANCE: AT THIS TIME, NO FILL DIRT IS AN77CIPATED.
TOPSOIL AND UNSUITABLE SOILS MAY BE HAULED OFF TO THE LANDFILLS EROSION CONTROL MEASURES SUCH
AS SEDIMENT TRAPS, SILT FENCE, AND DIVERSION DIKES SHALL BE USED 70 PROJECT 774E STREAM 70 THE
NORTH OF 174E SITE AND ADJACENT OWNER TO THE EAST. MOST OF 774E DISTURBANCE SHALL OCCUR ON THE
FLAT OPEN LAND ONSIIE, REDUCING EROSION RUNOFF TO THESE AREAS
CRI nCAL AREAS
NO CRI77CAL SLOPES WILL BE DISTURBED ON 774£ SITE.
SEQUENCE OF CONSrRUCnav:
1. NOTIFY ALBEMARLE COUNTY ENGINEERING AND PUBLIC WORKS DEPARTMENT TO SCHEDULE A
PRE- CONS7RUC77ON MEETING AS REQUIRED.
2. FLAG 174E CLEARING LIMITS.
3. NO EROSION CONTROL MEASURES MAY BE REMOVED DURING THE CONSTRUCTION PROCESS WITHOUT THE
APPROVAL FROM 774E INSPECTOR ON THE PROJECT.
4. INSTALL THE CONSTRUCTION SAFETY FENCE AS SHOWN ON THE PLANS. A COPY OF 774E APPROVED
EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON S17E AT ALL TIMES
5. INSTALL CONSTRUC770N ENTRANCE AS SHOWN ON 774E PLANS WHERE CONSTRUCTION VEHICLE ACCESS
ROUTES 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 THE ROADS BY WASHING CONTROL DISPOSAL AREA. STREET 7RAF77C
SHALL BE ALLOWED ONLY AF1ErR SEDIMENT IS REMOVED IN THIS MANNER. THIS PROVISION SHALL APPLY
TO INDIVIDUAL SUBDIVISION L07S AS WELL AS TO LARGER LAND DISTURBING ACTIVITIES SHOULD 774E
TEMPORARY CONSTRUCTION ENTRANCE NOT BE MAINTAINED PROPERLY OR AN EXCESSIVE AMOUNT OF SOIL
IS FOUND TRACKED ONTO 774E PUBLIC ROADWAY, 774EN A PAVED CONSTRUCTION ENTRANCE, WATER TANKER
TRUCK WITH 2 PRESSURE WASHERS AND A SETTLING AREA MAY BE REQUIRED BY THE EROSION AND
SEDIMENT CONTROL PROGRAM ADMINISTRATOR.
6. INSTALL THE EROSION CONTROL MEASURES AS SHOWN ON THE PLANS. FIRST INSTALL THE CONSTRUCTION
ENTRANCE AND 774E SILT FENCE, SEDIMENT BASIN, AND DIVERSION DIKES ALONG 7HE PERIMETER OF THE
SITE THESE MEASURES ARE INTENDED TO TRAP SEDIMENT AND SHALL BE CONSTRUCTED AS A FIRST
STEP IN LAND DISTURBANCE ACTI W TIES AND SHALL BE MADE FUNCTIONAL BEFORE UP SLOPE LAND
DIS7URBANCE TAKES PLACE. 774E CONTRACTOR IS TO STAY WITHIN TIME LIMI7S OF LAND DISTURBANCE AT
ALL TIMES AND ENSURE POSITIVE DRAINAGE ALONG ANY MEASURES INTENDED TO DIVERT WATER.
7 AFTER THE PROPER EROSION CONTROL MEASURES HAVE BEEN INSTALLED, STABILIZATION MEASURES
SHALL BE APPLIED 70 EARTHEN STRUCTURES SUCH AS DAMS, DIKES, AND DIVERSIONS IMMEDIATELY AFTER
INSTALLATION. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION AND
SEDIMENT CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY
774E PLAN APPROVING AUTHORITY.
8. ONCE THE EROSION CONTROL MEASURES ARE IN PLACE, BEGIN GRADING THE SI ALL DISTURBED AREAS
ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL 77MES DURING LAND DISTURBING
ACTIVITIES AND DURING SITE DEVELOPMENT UN77L FINAL STABILIZATION IS ACHIEVED.
9. BEGIN UTILITY CONS7RUC77ON AND ROAD CONSTRUCTION FOR 174E PROJEECT, WIN THE EXCEPTION OF
STR 's 18, 19, 21 do 774E RA/NTANKS STORM PIPE 17 SHALL BE INSTALLED TO ALLOW DRAINAGE TO
OU7FALL IN TO THE SEDIMENT BASIN. ADD177ONALL Y, SIR. s 22 & 23 SHALL BE INSTALLED AND UTILIZED
AS A RISER & BARREL FOR THE SEDIMENT BASIN. HOWEVER, THE INSTALLATION OF STR 's 18, 19, 21 &
THE RA/NTANKS SHALL NOT BE INSTALLED UNTIL THE SITE IS STABILIZED.
10. FINE GRADE, INSTALL CURB & GUTTER, SEED, AND FERTILIZED THE DENUDED AREAS.
11. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN SEVEN
DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION
SHALL BE APPLIED WI THIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT
WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 30 DAYS STABILIZATION SHALL BE APPLIED TO
AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. 774E CONTRACTOR SHALL INSPECT
ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH RUNOFF - PRODUCING RAINFALL EVENT.
ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL
DEVICES SHALL BE MADE IMMED/A TEL Y.
12. ONCE THE SITE IS STABILIZED AND THE INSPECTOR HAS GIVEN APPROVAL, REMOVE THE REMAINING
EROSION CONTROL MEASURES
13 174E SEDIMENT BASIN SHALL BE REMOVED ONLY ONCE 774E EN77RE SITE IS STABILIZED AND PERMISSION
HAS BEEN GRANTED BY ALBEMARLE COUNTY EROSION CONTROL INSPECTOR. UPON STABILIZA 77ON OF THE
SITE AND COMPLETION OF 774E CONSTRUC770N EXCLUDING THE PLAYGROUND AND STR.'s 18, 19 & 21, THE
SEDIMENT BASIN SHALL BE EXCAVATED AND FILLED IN ACCORDANCE WIN ALBERMARLE COUNTY
STANDARDS. AT THIS POINT THE CONSTRUCTION OF THE PLAYGROUND, DOWNSTREAM STORM SEWER, AND
RA/NTANKS SHALL COMMENCE. THE ABOVE MENTIONED CONSTRUCTION SHALL ONLY TAKE PLACE DURING
DRY WEATHER AND SHALL BE DONE IN A TIMELY MANNER SUCH THAT EXCESS/ WE EROSION SHALL NOT
OCCUR. MAINTAIN THE SILT FENCE DOWNSTREAM OF 774E SEDIMENT BASIN UNTIL ALL UPSTREAM
CONSTRUCTION IS COMPLETED..
14. MAINTAIN ALL EROSION CONTROL MEASURES AS SPECIFIED IN THE VIRGINIA EROSION AND SEDIMENT
CONTROL HANDBOOK, REMOVING ONLY WHEN APPROVED BY 174E COUNTY ENGINEER IN ACCORDANCE WIN
THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK.
15. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS
AFTER FINAL SITE STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO LONGER NEEDED, UNLESS
OTHERWISE AUTHORIZED BY THE LOCAL PROGRAM ADMINISTRATOR. TRAPPED SEDIMENT AND 174E DISTURBED
SOIL AREAS RESULTING FROM THE DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANENTLY
STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENTATION.
PEMANENT STABILIZA T10►N.•
AFTER CONS7RUC770N IS COMPLETED, ALL DISTURBED AREAS OF 774E SITE WILL BE LIMED, FER77LIZE0, AND
SEEDED AS PER CURRENT VDOT STANDARDS THIS SHALL CONSIST OF THE FOLLOWING,
TOPSOIL - 2" DEPTH
LIME - 2 TONS /ACRE
FER77LIZER - 600 LBS./ACRE OF 15 -30 -15
SEED - ERNST 5311 CONSERVATION SEED MIX - ERNMX -114 (45 LBS./ACRE PENNLAWN CREEPING RED
FESCUE, 375 LBS /ACRE ARGILE KENTUCKY BLUEGRASS, 375 LBS /ACRE PARK KENTUCKY BLUEGRASS, 15
LBS. /ACRE ANNUAL RYEGRASS dr 15 LBS /ACRE PLEASURE PERENNIAL RYEGRASS) OR ACCEPTABLE
ALTERNATE. AFTER THESE AREAS ARE STABILIZED, THEY WILL BE MOWED AND MAINTAINED ON A REGULAR
BASIS.
STONE 74' �tity.
CONSTRUCTION
ACCESS 3" Std -2A ASPFMLI TOP
/�` COURSE
1 A I 2x
MIN, 2.1A A OREGATE BASE
( B . TEMPORARY DIVERSION DIKE
Compacted Soil
Non- Erodable Liner
Is min.
I •-Flow
SOURCE: VA. DSWC 4 5' PLATE 3.09 -1
CONSTRUCTION SPECIFICATIONS
1. WHENEVER FEASIBLE, THE DIKE SHOULD BE BUILT BEFORE CONSTRUCTION
BEGINS ON THE PROJECT.
2. THE DIKE SHOULD BE .ADEQUATELY COMPACTED TO PREVENT FAILURE.
3. TEMPORARY OR PERMANENT SEEDING AND MULCH SHALL BE APPLIED TO THE DIKE
WITHIN 15 DAYS OF CONSTRUCTION.
4. THE DIKE SHOULD BE LOCATED TO MINIMIZE DAMAGE BY CONSTRUCTION
OPERATIONS AND TRAFFIC.
; . 1 Tc �� 1.. _ C i._ g ( 00 �Inmr� coo �c41 v� o
' ' 0.6 1 0.11
5.3 3.59 238 �
i DD1 12 � 1.13 � � t '
DD2. -�'_. _ 12 _ 0.2 0.6 4 5.3 ' 0.64
.__ - 2.49 0.29
.. _...__ __- - --- .____s_.w_____�_�:
TANA 331-0
T1 NAVRART SCURG !CANT MATMEA1.S, 9NMW4G RAT11<, AND DATES
EXtSTtNG
PAVDAENT
2"x4" WOODEN FRAME
STONE 70' MIN. /
CONS°T"TION ASPHALT PAVM
ACCESS A wASH1KtACiC EXCESS
_
AF CORNERS
21 !
2 x 112* MINA. .�.
I
*MUST EXTENO FULL WIDTH `-`- - TO t iv
OPE 1404E Lo OF I A TK) 5S 14110 EGRESS SS TRAPPING DEVICE
filATK7N
1
--12'
. - 1 2' MIN.
V
2%
ITNE DRAINAGE
SEDIMENT
PP94 DEVICE
FILTER CLOTH --"
S OId, A A
A minima t wda tap of 1 uxk mlutt be im/t&W vn& a all mnttm I molt ball ock
d06WValve OWP4ft a Wash bode *6 6.4muft of 1.5 iadk a for sdegoate
COU06W P140mrs, Wash wdw umd be cameo owey ft ow &v eoinalce to sa
vVroved w4bg laves to r4umv wdmat AN Ad be prwetlbrd X0111
miKiag Kt0rw tWrAw. ci'ibuhm or M'albelcma C.
PAVED WASH RAC
AV K
NO SCALE
AVE
� s
C
s
EL E VA TION OF STAKE AND
FABRIC ORIEN TA TION
SILT FENCE
DROP INLET PROTECTION 3.07 -1
NO SCALE
GENERAL SLOPE 1 OR F_ ) TOTAL LBS
PER AC
KENTUCKY 31 FESCUE 128 LBS.
RED TOP GRASS 2 LBS,
SEASONAL NURSE CROP 20 LBS.
150 LBS
SEASONAL NURSE CROP
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.
PERMANENT SEEDING SCHEDULE
NO SCALE
(STD. & SPEC. 3.32 OF VIRGINIA EROSION &
SEDIMENT CONTROL HANDBOOK, 3RD ED.)
PERSPEC TI VE VIEWS
MAINTENANCE;
IN GENERAL, ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CHECKED DAILY
AND AFTER EACH SIGNIFICANT RAINFALL. SPECIFIC ATTEN77ON WILL BE GIVEN TO THE
FOLLOWING ITEMS.•
A. SEDIMENT BASINS AND /OR TRAPS WILL BE CLEANED AND MAINTAINED
IN ACCORDANCE WITH THE VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK.
SEDIMENT TRAPS WILL BE CHECKED REGULARLY FOR SEDIMENT CLEANOUT.
B. ALL 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 SUI T FENCE BARRIERS WILL BE CHECKED REGULARLY FOR UNDERMINING
OR DETERIORATION OF 774£ FABRIC AND REPAIRED AS REQUIRED. SEDIMENT
SHALL BE REMOVED WHEN THE LEVEL OF SEDIMENT DEPOSITION REACHED HALF
WAY TO THE TOP OF THE BARRIER.
D. ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO SEE 7HA T A GOOD STAND
IS MAINTAINED. AREAS SHOULD BE FERTILIZED AND RESEEDED AS NEEDED.
SMNWA 7E'R RUN- CONSDDREA nONSV•
CALCULATIONS OF RUN -OFF BEFORE AND AF7ER DEVELOPMENT INDICATES THAT THERE WILL
BE A NET INCREASE OF PEAK RUN -OFF AS A RESULT OF DEVELOPMENT WITHIN THE
PROJECT AREA. THEREFORE, A RAIN TANK HAS BEEN DESIGNED TO DETAIN AND RELEASE
THE RUN -OFF AT 774E 2- YEAR PRE-DEVELOPMENT RATE. IN ADDITION, THERE IS AN
EXIS7?NG REGULAR ST ORMWA TER POND BELOW THIS SITE' TO SA 77SFY THE WATER QUALITY
OF 774E SI TE.
EROSION CONTROL NOT
I. CONSTRUCTION INSPECTION OF ALL PROPOSED ROADS WILL BE MADE BY 774E COUNTY.
THE CONTRACTOR MUST CONTACT THE DEPARTMENT OF ENGINEERING ( 296 - 5832) 48
HOURS IN ADVANCE OF THE START OF CONSTRUCTION.
2. PERMANENT OR TEMPORARY SOIL STABILIZA 77ON SHALL BE APPLIED TO DENUDED
AREAS WITHIN SEVEN (7) DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION
OF THE SI TEE
J. TEMPORARY SOIL STABILIZA 710N SHALL BE APPLIED WI THIN SEVEN (7) DAYS TO
DENUDED AREAS 7HAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT
FOR LONGER THAN THIRTY (30) DAYS
4. DURING CONS7RUC770N OF THE PROJECT, SOIL STOCK PILES SHALL BE STABILIZED
OR PROTECTED WITH SEDIMENT TRAPPING MEASURES
5 STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN S7RUC7URES SUCH AS
DAMS, DIKES, AND DIVERSIONS IMMEDIATELY AFTER INSTALLATION.
6. EROSION AND SEDIMENT CONTROL DEVICES SHALL BE CONSTRUCTED AND INSTALLED
AS A FIRST STEP IN ANY LAND - DISTURBING AC77WTY AND SHALL BE MADE
FUNCTIONAL BEFORE UPSLOP£ LAND DISTURBANCE TAKES PLACE.
Z A PERMANENT VEGETA7VE COVER SHALL BE ESTABLISHED ON DENUDED AREAS
NOT OTHERWISE PERMANENTLY STABILIZED. PERMANENT VEGETATION SHALL NOT
BE CONSIDERED ESTABLISHED UN77L A GROUND COVER IS ACHIEVED THAT, IN THE
OPINION OF 774E COUNTY ENGINEER OR HIS DESIGNA AGENT, IS UNIFORM,
MATURE ENOUGH TO SURVIVE AND WILL INHIBIT EROSION.
8. UNDERGROUND U77LITY LINES SHALL BE INSTALLED IN ACCORDANCE WITH THE
FOLLOWING STANDARDS IN ADDITION TO 07HER APPLICABLE CRITERIA:
A NO MORE THAN 500 LINEAR FEET OF TRENCH MAY BE OPENED AT ONE TIMEE,
EXCA VA TED MATERIAL SHALL BE PLACED ON 774E UPHILL SIDE OF TRENCHES.
EFFLUENT FROM DEWATI_R/NG OPERATIONS SHALL BE FILTERED OR PASSED
THROUGH AN APPROVED SEDIMENT TRAPPING DEVICE OR BOTH AND
DISCHARGED IN A MANNER THAT DOES NOT ADVERSIELY AFFECT FLOWING
STREAMS OR OFF -SITE' PROPERTY
D) RESTABILIZA77ON SHALL BE IN ACCORDANCE WIN THE ABOVE NOTES.
9. ALL APPLICABLE FEDERAL, STATE, AND LOCAL REGULATIONS PERTAINING TO
"KING IN OR CROSSING A LIVE WATERCOURSE SHALL BE MET.
10. WHERE CONS 7RUC77ON VEHICLE ACCESS ROU7FS INTERSECT PAYED PUBLIC ROADS,
PROVISIONS SHALL BE MADE TO MINIMIZE 774E TRANSPORT OF SEDIMENT BY
TRACKING ONTO THE PAVED SURFACE. WHERE SEDIMENT IS TRANSPORTED ONTO
A PUBLIC ROAD SURFACE, 774E ROAD SHALL BE CLEANED THOROUGHLY AT THE
END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY
SHOVELING OR SWEEPING AND 1RANSPOR7E0 TO A DISPOSAL AREA.
11. IT SHALL BE 774E OWNER'S RESPONSIBILITY 70 INSPECT EROSION CONTROL DEVICES
PERIODICALLY AND AFTER EVERY ERODIBLE RAINFALL. ANY NECESSARY REPAIRS
OR CLEAN UP TO MAINTAIN THE EFFEC77VENESS OF THE EROSION CONTROL
DEVICES SHALL BE MADE /MMED/A TEL Y.
12. ADD17IONAL EROSION CONTROL DEVICES MAY BE REQUIRED BY THE COUNTY
ENGINEER OR HIS DESIGNA TEED AGENT IF DEEMED NECESSARY.
13. ALL EROSION CONTROL DEVICES SHALL BE IN PLACE AND FUNCTIONAL AT ALL
77MES AND IF REMOVED FOR CONSTRUCTION PROGRESS, SHALL BE REPLACED BY
THE CLOSE OF EACH MORKDA Y.
14. FINAL REMOVAL OF EROSION CONTROL DEVICES SHALL NOT OCCUR UNTIL 774E
COUNTY ENGINEER OR HIS DESIGNATED AGENT DEEMS THE SITE STABILIZED.
15. ALL ENTRANCES EXCEPT FOR 174E APPROVED CONSTRUCTION ENTRANCE SHALL
BE BLOCKED IN SUCH A MANNER AS TO NOT ALLOW ACCESS TO 774E SITE.
16. TEMPORARY CONSTRUCTION ENTRANCE IS REQUIRED FOR THIS SITE. STANDARD
& SPEC. 3.02 IS ADEQUATE DUE TO 774E LACK OF AVAILABLE WATER TO THE SITE.
SHOULD 774E TEMPORARY CONSTRUCTION EN7RANCE NOT BE MAINTAINED PROPERLY
OR AN EXCESSIVE AMOUNT OF SOIL FOUND TRACKED ONTO THE PUBLIC ROADWAY
THEN A PAVED CONSTRUCTION ENTRANCE, WATER TANKER TRUCK WIN 2 PRESSURE
WASHERS AND A SETTLING AREA MAY BE REQUIRED BY 174E EROSION AND SEDIMENT
CONTROL PROGRAM ADMINISTRATOR.
17. THE DEVELOPER SHALL RESERVE 174E RIGHT TO INSTALL, MAINTAIN, REMOVE AND /OR
CONVERT TO PERMANENT STRUCTURE ALL EROSION AND SEDIMENT CONTROL
MEASURES REQUIRED BY THIS PLAN REGARDLESS OF 774E SALE OF ANY LOT.
18. SHOULD TEMPORARY SEDIMENT STRUCTURES BE CONVERTED TO PERMANENT
STORM M g / A �, N g A � GE B M f EN p T £ STRU � CC7URIES TpH�yESN�gTHE7�F�OLLEORWINyGR SHALLpOCCUR-
A) REQUIREMENTS AND SHALHAVE A CORE PER COUNTY OF AL
ENGINEERING POLICY.
B) 774E RISER AND BARREL PIPES SHALL BE RCP.
C) THE S DAMCCSHHAALLS/�/B,gE��2.B5. 1 O E R R FLAA yip EC
D) �VESCH STD. SEC 3.18 OU7L D PROC7?'D 71l� DESIGN.1 OR
£) A GEOTECHN/CAL ENGINEERING S7UDY SHALL CONSIST OF 1 A SITE
INVESTIGATION, 2) LABORATORY T ES77NG AND 3) AN ENGINEERING ANALYSIS
ES -1: UNLESS 07HERWSE 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 REGULATIONS
VR 625 -02 -00 EROSION AND SEDIMENT CONTROL REGULATIONS
ES -2: THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO 7HE PRE- CONSTRUCTION
CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING ACTIVITY, AND ONE WEEK
PRIOR TO 174E 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 S 17E
AT ALL TIMES
ES -5: PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS 07HER THAN INDICATED ON THESE PLANS
(INCLUDING BUT NOT LIMITED TO, OFT -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.
ES -6: THE CONTRACTOR IS RESPONSIBLE FOR INSTALLA 7701V OF ANY ADDITIONAL EROSION CONTROL MEASURES
NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING
AUTHORITY
,E §= ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL 77MES DURING
LAND DISTURBING ACTIVITIES AND DURING SITU DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED.
ES -8: DURING DEWA 7FR/NG OPERATIONS, WA TER WILL BE PUMPED INTO AN APPROVED WA TER FIL 7FRING DEVICE.
THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH
RUNOFF - PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TD MAINTAIN 774E
EFFEC 77 VENESS OF 774E EROSION CONTROL DEVICES SHALL BE MADE IMMEDIA TEL Y.
npr )p /All r T
Collins Engineering, L.L.C.
800 East Jefferson St., 300
Charlottesville, VA 22902
P 434 566 3013
F 434 245 0300
CE PROJECT NUMBER 072009
BROWNSVILLE
ELEM SCHOOL
ADDITIONS AND
RENOVATIONS
5870 Rockfish Gap Turnpike
Crozet, Virginia 22932
VA DOE PROJECT NUMBER 294.1E
VMDO PROJECT NUMBER 07 1015
SCUT CR OLLINSZ
Lic. No. 035791,:b
� Sys/ °d ��
�SjONAL _S!!
KMK /SRC
drawn by /checked by
KEY PLAN
project north
05.13.08 FINAL SITE PLAN
EIS AND
STORMWATER
MANAGEMENT
EROSION
CONTROL
NOTES AND
DETAILS
10
r
r
SBMX 10 SATE
NOiMf
SOUTIO
311
s/1
111I5
v ls
511
9r1
4
PLANT
SINN
AM
I= lea
b
to
b
b
b
b
4130
WIS
1111
4M
911
11/15
OATt
3 bee (vp b 100 lie.,
2 Br.
X
-
x
-
-
Um nw* variolioa (0.1.. Norma).
(6000 1111 W-
not b a dm 90 OL)
Itys
2 bee OV to 110 M..
23 lbw
x
-
x
x
-
x
Uw bt IoM 1111 b@4 wimew
Qua MEN"
FOR bin 6M so M.)
oovar. Tobown aW ni low
GHRKAN IttLL.liT
So Ibo.
aPlaoa. I h.
-
x
-
-
x
-
wM nerd. Diu at fist
tiltlia )
hmL Mar to aYM M anMt�ar
MiAaa.
ANNUAL. RYBORAW
80 Nee
1 VS Its.
x
-
x
x
-
x
Mod to Midi is "hero. wo
Maw alt drat nMib.
Wampum
is IM
Sol am
X
-
-
X
_
LOVOGRAN
ads � �
ad Iii, ialtlIN aaik Ida be
aibd M aim&
Roum
25 Ira.
VrMn• 1%
x
x
x
x
-
NM R slops nine/ lyrwn
LBUIDSW
ire
Tom" sow uib. Idol to
siliei b niece
I Nort1hets Pisdtaont lad Wkwwn fe iat. See PMW 3.22 -1 and 3.22 -2.
b South" PiedeOM ad CauM Pblia.
a May be wed ae a owu crop with qw* ne ft.
l .
X May be pkeadbetwsaa d a dams.
- bray /rot be pkA*d betwlem tl m dales.
EXtSTtNG
PAVDAENT
2"x4" WOODEN FRAME
STONE 70' MIN. /
CONS°T"TION ASPHALT PAVM
ACCESS A wASH1KtACiC EXCESS
_
AF CORNERS
21 !
2 x 112* MINA. .�.
I
*MUST EXTENO FULL WIDTH `-`- - TO t iv
OPE 1404E Lo OF I A TK) 5S 14110 EGRESS SS TRAPPING DEVICE
filATK7N
1
--12'
. - 1 2' MIN.
V
2%
ITNE DRAINAGE
SEDIMENT
PP94 DEVICE
FILTER CLOTH --"
S OId, A A
A minima t wda tap of 1 uxk mlutt be im/t&W vn& a all mnttm I molt ball ock
d06WValve OWP4ft a Wash bode *6 6.4muft of 1.5 iadk a for sdegoate
COU06W P140mrs, Wash wdw umd be cameo owey ft ow &v eoinalce to sa
vVroved w4bg laves to r4umv wdmat AN Ad be prwetlbrd X0111
miKiag Kt0rw tWrAw. ci'ibuhm or M'albelcma C.
PAVED WASH RAC
AV K
NO SCALE
AVE
� s
C
s
EL E VA TION OF STAKE AND
FABRIC ORIEN TA TION
SILT FENCE
DROP INLET PROTECTION 3.07 -1
NO SCALE
GENERAL SLOPE 1 OR F_ ) TOTAL LBS
PER AC
KENTUCKY 31 FESCUE 128 LBS.
RED TOP GRASS 2 LBS,
SEASONAL NURSE CROP 20 LBS.
150 LBS
SEASONAL NURSE CROP
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.
PERMANENT SEEDING SCHEDULE
NO SCALE
(STD. & SPEC. 3.32 OF VIRGINIA EROSION &
SEDIMENT CONTROL HANDBOOK, 3RD ED.)
PERSPEC TI VE VIEWS
MAINTENANCE;
IN GENERAL, ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CHECKED DAILY
AND AFTER EACH SIGNIFICANT RAINFALL. SPECIFIC ATTEN77ON WILL BE GIVEN TO THE
FOLLOWING ITEMS.•
A. SEDIMENT BASINS AND /OR TRAPS WILL BE CLEANED AND MAINTAINED
IN ACCORDANCE WITH THE VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK.
SEDIMENT TRAPS WILL BE CHECKED REGULARLY FOR SEDIMENT CLEANOUT.
B. ALL 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 SUI T FENCE BARRIERS WILL BE CHECKED REGULARLY FOR UNDERMINING
OR DETERIORATION OF 774£ FABRIC AND REPAIRED AS REQUIRED. SEDIMENT
SHALL BE REMOVED WHEN THE LEVEL OF SEDIMENT DEPOSITION REACHED HALF
WAY TO THE TOP OF THE BARRIER.
D. ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO SEE 7HA T A GOOD STAND
IS MAINTAINED. AREAS SHOULD BE FERTILIZED AND RESEEDED AS NEEDED.
SMNWA 7E'R RUN- CONSDDREA nONSV•
CALCULATIONS OF RUN -OFF BEFORE AND AF7ER DEVELOPMENT INDICATES THAT THERE WILL
BE A NET INCREASE OF PEAK RUN -OFF AS A RESULT OF DEVELOPMENT WITHIN THE
PROJECT AREA. THEREFORE, A RAIN TANK HAS BEEN DESIGNED TO DETAIN AND RELEASE
THE RUN -OFF AT 774E 2- YEAR PRE-DEVELOPMENT RATE. IN ADDITION, THERE IS AN
EXIS7?NG REGULAR ST ORMWA TER POND BELOW THIS SITE' TO SA 77SFY THE WATER QUALITY
OF 774E SI TE.
EROSION CONTROL NOT
I. CONSTRUCTION INSPECTION OF ALL PROPOSED ROADS WILL BE MADE BY 774E COUNTY.
THE CONTRACTOR MUST CONTACT THE DEPARTMENT OF ENGINEERING ( 296 - 5832) 48
HOURS IN ADVANCE OF THE START OF CONSTRUCTION.
2. PERMANENT OR TEMPORARY SOIL STABILIZA 77ON SHALL BE APPLIED TO DENUDED
AREAS WITHIN SEVEN (7) DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION
OF THE SI TEE
J. TEMPORARY SOIL STABILIZA 710N SHALL BE APPLIED WI THIN SEVEN (7) DAYS TO
DENUDED AREAS 7HAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT
FOR LONGER THAN THIRTY (30) DAYS
4. DURING CONS7RUC770N OF THE PROJECT, SOIL STOCK PILES SHALL BE STABILIZED
OR PROTECTED WITH SEDIMENT TRAPPING MEASURES
5 STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN S7RUC7URES SUCH AS
DAMS, DIKES, AND DIVERSIONS IMMEDIATELY AFTER INSTALLATION.
6. EROSION AND SEDIMENT CONTROL DEVICES SHALL BE CONSTRUCTED AND INSTALLED
AS A FIRST STEP IN ANY LAND - DISTURBING AC77WTY AND SHALL BE MADE
FUNCTIONAL BEFORE UPSLOP£ LAND DISTURBANCE TAKES PLACE.
Z A PERMANENT VEGETA7VE COVER SHALL BE ESTABLISHED ON DENUDED AREAS
NOT OTHERWISE PERMANENTLY STABILIZED. PERMANENT VEGETATION SHALL NOT
BE CONSIDERED ESTABLISHED UN77L A GROUND COVER IS ACHIEVED THAT, IN THE
OPINION OF 774E COUNTY ENGINEER OR HIS DESIGNA AGENT, IS UNIFORM,
MATURE ENOUGH TO SURVIVE AND WILL INHIBIT EROSION.
8. UNDERGROUND U77LITY LINES SHALL BE INSTALLED IN ACCORDANCE WITH THE
FOLLOWING STANDARDS IN ADDITION TO 07HER APPLICABLE CRITERIA:
A NO MORE THAN 500 LINEAR FEET OF TRENCH MAY BE OPENED AT ONE TIMEE,
EXCA VA TED MATERIAL SHALL BE PLACED ON 774E UPHILL SIDE OF TRENCHES.
EFFLUENT FROM DEWATI_R/NG OPERATIONS SHALL BE FILTERED OR PASSED
THROUGH AN APPROVED SEDIMENT TRAPPING DEVICE OR BOTH AND
DISCHARGED IN A MANNER THAT DOES NOT ADVERSIELY AFFECT FLOWING
STREAMS OR OFF -SITE' PROPERTY
D) RESTABILIZA77ON SHALL BE IN ACCORDANCE WIN THE ABOVE NOTES.
9. ALL APPLICABLE FEDERAL, STATE, AND LOCAL REGULATIONS PERTAINING TO
"KING IN OR CROSSING A LIVE WATERCOURSE SHALL BE MET.
10. WHERE CONS 7RUC77ON VEHICLE ACCESS ROU7FS INTERSECT PAYED PUBLIC ROADS,
PROVISIONS SHALL BE MADE TO MINIMIZE 774E TRANSPORT OF SEDIMENT BY
TRACKING ONTO THE PAVED SURFACE. WHERE SEDIMENT IS TRANSPORTED ONTO
A PUBLIC ROAD SURFACE, 774E ROAD SHALL BE CLEANED THOROUGHLY AT THE
END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY
SHOVELING OR SWEEPING AND 1RANSPOR7E0 TO A DISPOSAL AREA.
11. IT SHALL BE 774E OWNER'S RESPONSIBILITY 70 INSPECT EROSION CONTROL DEVICES
PERIODICALLY AND AFTER EVERY ERODIBLE RAINFALL. ANY NECESSARY REPAIRS
OR CLEAN UP TO MAINTAIN THE EFFEC77VENESS OF THE EROSION CONTROL
DEVICES SHALL BE MADE /MMED/A TEL Y.
12. ADD17IONAL EROSION CONTROL DEVICES MAY BE REQUIRED BY THE COUNTY
ENGINEER OR HIS DESIGNA TEED AGENT IF DEEMED NECESSARY.
13. ALL EROSION CONTROL DEVICES SHALL BE IN PLACE AND FUNCTIONAL AT ALL
77MES AND IF REMOVED FOR CONSTRUCTION PROGRESS, SHALL BE REPLACED BY
THE CLOSE OF EACH MORKDA Y.
14. FINAL REMOVAL OF EROSION CONTROL DEVICES SHALL NOT OCCUR UNTIL 774E
COUNTY ENGINEER OR HIS DESIGNATED AGENT DEEMS THE SITE STABILIZED.
15. ALL ENTRANCES EXCEPT FOR 174E APPROVED CONSTRUCTION ENTRANCE SHALL
BE BLOCKED IN SUCH A MANNER AS TO NOT ALLOW ACCESS TO 774E SITE.
16. TEMPORARY CONSTRUCTION ENTRANCE IS REQUIRED FOR THIS SITE. STANDARD
& SPEC. 3.02 IS ADEQUATE DUE TO 774E LACK OF AVAILABLE WATER TO THE SITE.
SHOULD 774E TEMPORARY CONSTRUCTION EN7RANCE NOT BE MAINTAINED PROPERLY
OR AN EXCESSIVE AMOUNT OF SOIL FOUND TRACKED ONTO THE PUBLIC ROADWAY
THEN A PAVED CONSTRUCTION ENTRANCE, WATER TANKER TRUCK WIN 2 PRESSURE
WASHERS AND A SETTLING AREA MAY BE REQUIRED BY 174E EROSION AND SEDIMENT
CONTROL PROGRAM ADMINISTRATOR.
17. THE DEVELOPER SHALL RESERVE 174E RIGHT TO INSTALL, MAINTAIN, REMOVE AND /OR
CONVERT TO PERMANENT STRUCTURE ALL EROSION AND SEDIMENT CONTROL
MEASURES REQUIRED BY THIS PLAN REGARDLESS OF 774E SALE OF ANY LOT.
18. SHOULD TEMPORARY SEDIMENT STRUCTURES BE CONVERTED TO PERMANENT
STORM M g / A �, N g A � GE B M f EN p T £ STRU � CC7URIES TpH�yESN�gTHE7�F�OLLEORWINyGR SHALLpOCCUR-
A) REQUIREMENTS AND SHALHAVE A CORE PER COUNTY OF AL
ENGINEERING POLICY.
B) 774E RISER AND BARREL PIPES SHALL BE RCP.
C) THE S DAMCCSHHAALLS/�/B,gE��2.B5. 1 O E R R FLAA yip EC
D) �VESCH STD. SEC 3.18 OU7L D PROC7?'D 71l� DESIGN.1 OR
£) A GEOTECHN/CAL ENGINEERING S7UDY SHALL CONSIST OF 1 A SITE
INVESTIGATION, 2) LABORATORY T ES77NG AND 3) AN ENGINEERING ANALYSIS
ES -1: UNLESS 07HERWSE 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 REGULATIONS
VR 625 -02 -00 EROSION AND SEDIMENT CONTROL REGULATIONS
ES -2: THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO 7HE PRE- CONSTRUCTION
CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING ACTIVITY, AND ONE WEEK
PRIOR TO 174E 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 S 17E
AT ALL TIMES
ES -5: PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS 07HER THAN INDICATED ON THESE PLANS
(INCLUDING BUT NOT LIMITED TO, OFT -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.
ES -6: THE CONTRACTOR IS RESPONSIBLE FOR INSTALLA 7701V OF ANY ADDITIONAL EROSION CONTROL MEASURES
NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING
AUTHORITY
,E §= ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL 77MES DURING
LAND DISTURBING ACTIVITIES AND DURING SITU DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED.
ES -8: DURING DEWA 7FR/NG OPERATIONS, WA TER WILL BE PUMPED INTO AN APPROVED WA TER FIL 7FRING DEVICE.
THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH
RUNOFF - PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TD MAINTAIN 774E
EFFEC 77 VENESS OF 774E EROSION CONTROL DEVICES SHALL BE MADE IMMEDIA TEL Y.
npr )p /All r T
Collins Engineering, L.L.C.
800 East Jefferson St., 300
Charlottesville, VA 22902
P 434 566 3013
F 434 245 0300
CE PROJECT NUMBER 072009
BROWNSVILLE
ELEM SCHOOL
ADDITIONS AND
RENOVATIONS
5870 Rockfish Gap Turnpike
Crozet, Virginia 22932
VA DOE PROJECT NUMBER 294.1E
VMDO PROJECT NUMBER 07 1015
SCUT CR OLLINSZ
Lic. No. 035791,:b
� Sys/ °d ��
�SjONAL _S!!
KMK /SRC
drawn by /checked by
KEY PLAN
project north
05.13.08 FINAL SITE PLAN
EIS AND
STORMWATER
MANAGEMENT
EROSION
CONTROL
NOTES AND
DETAILS
10
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