HomeMy WebLinkAboutWPO201500038 Plan - As-built 2017-05-22CERTIFICATION OF AS -BUILT SURVEY
I, JOSEPH C. MEDLEY, A LICENSED LAND SURVEYOR IN THE COMMONWEALTH OF VIRGINIA, DO
HEREBY CERTIFY THAT THE AS -BUILT CONDITIONS DEPICTED HEREIN ACCURATELY REFLECT
THE CONSTRUCTION OF THE REFERENCED SITE. THE FACILITIES HAVE BEEN FOUND TO BE IN
GENERAL CONFORMANCE WITH THE APPROVED CONSTRUCTION PLANS UNLESS NOTED OR
IMPLIED OTHERWISE.
AS -BUILT SURVEY
WPO PLAN
COUNTY OF ALBEMARLE, VIRGINIr,
AS -BUILT SURVEY
6/22/2015
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Charlottesville
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VICINITY MAP
BY TIMMONS GROUP
ADDRESS:
28 IMPERIAL DRIVE
STAUNTON, VA 24401
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SCALE: 1" = 21000'
OWNER:
VALERIE M. SHEPHERD
26 CLIFTON TERRACE
WEEHAWKEN NJ, 07086
DEVELOPER:
MILESTONE PARTNERS
3002ND ST NE
CHARLOTTESVILLE, VA 22902
CONTACT: L.J. LOPEZ
TELEPHONE: (434) 245-5803
EMAIL: LLOPEZ@MILESTONEPARTNERS.CO
ENGINEER OF RECORD:
TIMMONS GROUP
919 2ND STREET, S.E.
CHARLOTTESVILLE, VA 22902
CONTACT: CRAIG KOTARSKI, PE
TELEPHONE: (434) 327-1688
EMAIL: CRAIG.KOTARSKI@TIMMONS.COM
LICENSE NO
',' ,LTH O���'
I
UJOSEPH C. MEDLEY
Lic. No.3385
05-22-2017
�D SUR���o4
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DATE
AS -BUILT SURVEY
BY TIMMONS GROUP
DATE OF SURVEY:
FEBRUARY 17,2017
AS -BUILT SURVEY NOTES:
1. HORIZONTAL DATUM BASED ON NAD83 (NA 2011)
VA S. & VERTICAL DATUM IS NAVD88 PER
ORIGINAL TOPOGRAPHIC SURVEY BY THIS FIRM.
2. ROADWAY ASPHALT NOT COMPLETE AT TIME
OF SURVEY (FINAL LAYER PENDING COMPLETION
OF RESIDENTIAL / HOME CONSTRUCTION).
BOLD AND/OR BOXED
INFORMATION IS
AS -BUILT
Sheet List Table
Sheet Number Sheet Title
C0.0 COVER
C1.0 NOTES & DETAILS
C2.0
EXISTING CONDITIONS & DEMOLITION
C3.0
EROSION & SEDIMENT CONTROL NOTES & DETAILS
C3.1
EROSION & SEDIMENT CONTROL NOTES & DETAILS
C3.2
EROSION & SEDIMENT CONTROL PLAN PHASE I
C3.3
EROSION & SEDIMENT CONTROL PLAN PHASE IA
C3.4
EROSION & SEDIMENT CONTROL PLAN PHASE II
C4.0
LAYOUT & UTILITIES PLAN
C5.0
GRADING & DRAINAGE PLAN
STORMWATER SUMMARY PLAN
C5.1
C6.0
STORMWATER MANAGEMENT PLAN
C6.1
STORMWATER DETAILS
C7.0
STORMWATER PROFILES
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NOTES:
1. FINAL ASPHALT SURFACE NOT INSTALLED AT
TIME OF SURVEY (PENDING COMPLETION OF HOME
CONSTRUCTION).
2. STREET SHOWN ON ORIGINAL PLAN AS
SHEPHERD'S LANE NOW KNOWN AS VALCREST
LANE; STREET SHOWN ON ORIGINAL PLAN AS
SHEPHERD'S COURT NOW KNOWN AS FOWLER'S
RIDGE COURT (PER FINAL & RECORDED PLAT OF
SUBDIVISION).
3. LOCATION OF WATERLINE, SANITARY
STRUCTURES, AND SANITARY CLEAN -OUTS ARE
DEPICTED INCIDENTAL TO THE AS -BUILT SURVEY
AND FURTHER CLARIFIED ON THE FINAL PLAN
ROAD PLAN AS -BUILT DOCUMENTS PREVIOUSLY
SUBMITTED BY THIS FIRM.
* 'CONSERVATION' REPLACED WITH
'FOREST & OPEN SPACE' PER COUNTY
GUIDANCE; NOMENCLATURE
REFLECTED ON FINAL PLAT OF
SUBDIVISION, DB. 4717, PG. 403
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I
BOUNDARY LINE I
SD 1�
TOP- 76.57' (MEAN)
INV. OUT=475.00' 15" HDPE
AS -BUILT SURVEY AS -BUILT LEGEND BOLD AND/OR BOXED I h
STORM DRAINAGE MANHOLE INFORMATION IS
OD
BY TIMMONS G ® AS -BUILT �.�
STORM DRAINAGE INLET W/ GRATE /i � � _ � ` ,
FIRE HYDRANT ,�_- '(J CPKAXI
DATE OF S ® WATER VALVE MHS WA TER METER
®c
OS SANITARYMANHOLE TOP=460.87' / I
\\ FEBRUARY 17, 2017 0 SANITARYCLEAN-OUT (4"LATERALS FROM
SD CURB INLET W/ MHD -- 2003 & 2009 SHEPHERD'S / ® S.
RIDGE ROAD,
TOP=459.80' INV. CL=451.94' "FsVC OUT)
INV. IN=448.93' 18" RCP (SW)
\� �\ INV. 1N=449.00' 18" RCP (SE)
INV. OUT=448.90 24 RCP N E
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0 A) DISTANCE---�--VA :•:::::::' `'',::� a > \
0 / $ : •• •:•::• •?:::: •• • :::::•,•:
ASPHALT ZI"RCP W/ FE rn = aTAPER CURB TO JEFFREY (D W U
INV. 1N=451.90' KATHERINE CHEN JENKINS
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ASPHALT :;`•:: DB. 4524, PG. 238 I < O w Q
TMP 62F-313 L >
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WARREN M. OR — _ STREET y,/ 270' SIGHT DIST. o a w
15" HDPE VIRGINIA M. STALLINGS 4' WIDE NAME SIGN \'3 ��' :::':: :. TO INTX. I p
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INV(OUT)=470.34' DB. 3873, PG. 382 REBUILT ,:...: 15��:c;: PP VDOT STD CG -9B
l/ DB. 3665, PG.379 ASPHALT PATH EASEMENTP \
"D. .471��G. 703 ALONG DRIVEWAY M UQ
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PEDESTRIAN DRAINAGE 15 (TYP) TMP 62F-314 0, w U
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VARIABLE WIDTH \ \ `.;.•..: : ° _ c� Q
ACSA EASEMENT ?:?'. 1953 SF I I (D
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LOT 20 E'''.. 0 U U U
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8148 SF '•�•••••••• •
4500 TO BE CONVEYED AT I "'`' `''�• I ~ u un
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SIGHT DIST. ' \ \ 5219 SF I 06/22/15
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CONSERVATION 20' REAR EASEMENT $° ::?;`': NO PARKING CONSERVATION o
OPEN SPACE A 4A I DRAWN BY
13189 SF EASEMENT * +/_ 52' SETBACK (T P) ' I �`` SIGN (TYP. EASEMENT I
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— ` 12011 SF I J. WILSON
/ DESIGNED BY
ICG -6 I C. KOTARSKI
LOT 14 b - LOT 18 LOT 19 _ \ TYP) 5LO 2 •
LOT 15 LOT 16 LOT 17 4681 SF 6357 SF `O "` ''''' '''" I • CHECKED BY
4659 SF 4774 SF `'' STREET
1 4741 SF 4787 SF I VARIABLE WIDTH ° NAME SIGN I •
v NO PARKING ACSA EASEMENT :;?'':;: C. KOTARSKI
2 12 BUILDING S FRONT I ` 1 I • • SCALE
LWL SIGN (TYP.) ISEPARATION (TYP) SETBACK (TYP� 3 I I I 1" = 30'
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SW (TYP) ® — FI E HYDRANT , s �':.,;
PLANTING _
ASSEMBLY
_STRIP (TYP)
5' 8„X4” RED.
TMP 62F -E2 15 _ LOT 3 W
ROBERT HAUSER HOMES INC. I 1 ::.�Nflt.,•: 1#...,..:•.•.:...•.:.•.•.•.:.•.•.:: :..• t:••...:...:.:?lr"...C�.::•...::..•....;.... 5097 SF
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VARIABLE WIDTH LOT 9 "
5290 SF'. <?;;;;:`'';: LOT 4
REMOVABLE STEEL LOT 11 ACSA EASEMENT � :,,,•.,�,•,..:.,.,•......: 6086 SF
BOLLARDS. PLACE 1' a ,: , ° LOT 13 I LOT 12 4774 SF I LOT 10
BEHIND CG -9B AT 6'0.C. o 4532 SF 4588 SF I 5122 SF w v
w OPEN SPACE E Q o : ? kt�`:<':• ;•:;?:;'•`:::;?• / /
SWM EASEMENT o w.....,•......•' \ _ —
EXIST. 50' RESERVED w I 3099 SF w `� `;:• ;....?•`
FOR EMERGENCY 11.5' BUILDING I
ACCESS EASEMENT ' SEPARATION (TYP) I I I i ::;:?;(' :::;'''`•:c ;;`:;;`:`,` ..`::''?;;':?: I \
TO BE DEDICATED CONSERVATION—J3'::• : :;•:•;::;:';'?: ?;':;•:'`:•`';'::•:
EASEMENT 20' DRAINAGE
`'::<:`,:?;`:>?;`..;:;:`;::•':?;:':;?:;;.,:;:;•`':`::2'>:''`;:?!:' T 5
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-- OPEN SPACE B \ �� LOT 8 _ \
26726 SF 1 1 1
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/ \ \
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DB. 4717, PG. 703 / \ /
_ l (SUBD) / LOT 6
TYPE -A 1 6693 SF
CURB G` / BLOW OFF
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GONG�c� RWSA 18" D. I.
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SD INLET E \DRAIAIAG
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UTILITYEASEMENT
0 (FOR RIVANNA WATER & SEWER TOP=463.10' 200 \ \G \\ \ \ \ / / I • / '
AUTHORITY & CITY OF INV. OUT=460.26' 15" RCP
SD CU INLET 4 MHD CHARLOTTESVILLE GAS) _ __ _ REQ 199 —
TOP=467.46' DB 3563 PG. 682 & - _ _ = li RQ / — — /
INV. UT=462.81 ' 15" RCP FROM VDOT PROD. 0631-002-128 VOU), � '�O F �c � \ � � \ I
o19SD CURB INLET W/ MHD pO� �3ti R w T
TOP=466.48 Z CRF 002.
INV. 1N=459.78' 15"RCP \ \ ,8 kAkq, 8
INV. OUT=459.76' 18" RCP
SD CURB INLET W/ MHD�'C,o 11 \ \ \ (9
TOP=465.70' 111 NSERVATION
1Q INV. 1N=459.57' 15"RCPT 11 v \ EASEMENT /
0 /NV OUT=459.57' 15" RCP
SCAL 1 "=30'
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NOTES:
1. FINAL ASPHALT SURFACE NOT INSTALLED AT
TIME OF SURVEY (PENDING COMPLETION OF
HOME CONSTRUCTION).
2. STREET SHOWN ON ORIGINAL PLAN AS
SHEPHERD'S LANE NOW KNOWN AS VALCREST
LANE; STREET SHOWN ON ORIGINAL PLAN AS
SHEPHERD'S COURT NOW KNOWN AS FOWLER'S
RIDGE COURT (PER FINAL & RECORDED PLAT OF
SUBDIVISION).
3. LOCATION OF WATERLINE, SANITARY
STRUCTURES, SANITARY CLEAN -OUTS, AND BASE
ROAD TOPOGRAPHY ARE DEPICTED INCIDENTAL
TO THE AS -BUILT SURVEY AND FURTHER
CLARIFIED ON THE FINAL PLAN ('ROAD PLAN')
AS -BUILT DOCUMENTS PREVIOUSLY SUBMITTED
BY THIS FIRM.
L
AS -BUILT SURVEY AS -BUILT LEGEND BOLD AND/OR BOXED
STORM DRAINAGE MANHOLE INFORMATION IS
BY TN R P ® STORM DRAINAGE INLET W/ GRATE _ - �, , ''
O S G O U FIRE HYDRANT AS -BUILT
WATER METER 6- �' _ C�
DATE OF SURVEY: ®
WATER /-� /
\ \ Qs SANITARYMANHOLE MHS I I'�c
TOP=460.87'
\ `\ FEBRUARY 17, 2017 ® SANITARY CLEAN-OUT (4"LATERALS FROM 2003 & 2009 r I
\ \ I \ SD CURB INLET W/ MHD RIDGE ROAD SHEPHERDS
ED
FEBRUARY
TOP=459.80' /NV. CL=451.94' (8'PVC OUT) \
AyTti \ INV. IN=448.93 18 RCP (SW)
INV. IN=449.00' 18" RCP (SE) \
\ \ I \ \ INV. OUT=448.9024" RCP N / / E
\ 1 465 \ 1 rr p \X �`�� \
I \ � E w
V. IN=44 .6 \ _ _ �h /� �`, s = N E
OUT=463.64" SNEPN - - � 99 \ \ ,' \ ` Lu > O
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/ o�T�\�\ DRAPG• 9 \1\ --_-� _ w � o � 0181
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�0 I i '�` - , / / / s > / ZI" RCP W/ FES, JEFFREY GWIN JENKINS & cD W v M a
EP W� - z -� O
INV. 1N=451.90 KATHERINE CHEN JENKINS _ x Q
_ - - DB. 4524, PG. 238 I \ O w a cn >
I � TMP 62F--313 - _ - _ _ - _ _ - , �
WARREN M. OR -
15 HDPE VIRGINIA M. STALLINGS _ //, u,
V. F O cn
IN(OUT)=470.34' DB. 3873, PG. 382 tr _ _ _ \ _ _ 15 - o P� (�_ - \ N �n
if DB. 3665, PG.379 15" " \ 105 TMP 62F-314 \ I rn > U
VARIABLE WIDTH - - - -= - - ' ` 1
4�-X60 - - JAMES MURRAT & \
/ ^ PEDESTRIAN _ DRAINA�E� / - - I J
- 103 ` LISA MURATT z
\ / CCESS EASEMENT ��Q -EASEMENT\ - _ _ - ` DB. 3039, PG. 608
\ _ co _ ZZZw �
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465 - STORAGE SYSTEM # & SWM EASEMENT I I / I II vi O O O W
` - 466.83 466.50 °' ' 108 \_ - ° ��
s ` \ 5 (66 LF - 96" CMP) 9959 SF (0.045AC) DB. 4717, PG. 703 I I I I / I I j U U U O
VARIABLE W M -H -
\ \ ` \ - _ ACSA EASEMENT ` \ �y` - ` I / / / / / / \ D O O O w
SD INLET W/GRATE , - � \
TOP=476.57' (MEAN) / ' - - \ \ \ _ - - - , _ 465- �' / / / I I 0
INV. OUT=475.00' 15" HDPE
\ - ---- 6 .37 - -- -_
i II
YARD INLET - - - ' - FFE: 468.33 ` \ ° ; _ - - - - \ \ _ / / I o U tO
(PLASfiIC� I - GFE: 467.00 > w
466.83\Lu
Q `\ ti N
463.50 u D rn
6,.36 cp.,
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10 0 1 - GFR 468.8�2\\\ ---168 // / / �I p
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477 \ 46 ` "'< �` BFE: 461.46�(INGR.) - -469 _ / / / - III DATE
_ - - A6A _140 \- >
6 SIGHT DIST. t \\ ` \ \ \ \ 468.65 7 / /' / / / / II I I 06/22/15
\\ i LIONCF-RVA \ N \ ` 479 - - - \ \ ASEMENT \ s X65 \ \ \ II II III I DRAWN BY
_ EASEMENT \ - - - - - - - I i - - 5 o _ / / II I \
0 8 �O \ 467.5 / / / / / II J. WILSON
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FFE: 480.74 FFE: 481.11 FFE: 479.8_5_ FFE: 478.70 FFE: 477..43 _ - ^ \ / ` \ , / I \ • DESIGNED BY
/ I FFE: 481.04 � II �
\ SFE: 479.41 GFE: 479.78 I GFE: 478.52 GFE: 477.37 GFE:476.10
` BFE: 471.99 (INGR.) , BFE: 472.36 (INGR.) GFE: 479.71 gFE: 4;/1.10 _ BFE: 469.95 BFE: 468.68 1 A5 `C -6 `\ `4 - - - - - _ - / I I I I \ C. KOTARSKI
1 BFE: 472.29 (INGR.) / / \ TYP) \ _ I / I I I I •
CHECKED BY
FFE: 4,73.51 472 0 / ' / I I I \ •
/418 / VARIABLE WIDTH GFE: 472.18
\ \ 1 U
X7 87 \
/ I I \\•• C. KOTARSKI
ACSA EASEMENT BFE: 464.76 �INGR)473 _
W 477.07 % 472.01 SCALE
w I 479.1 _ 47 1.25 1 479.48 ,471.41
44 _ I I II • 1 " = 30'
C NC. , ,o , o c� + c� + ® S / \ - r 50 / ' / ` \ I I I . I c91
l 70 _ \ I II
- II PLANTING T��4 ,4 > 479. N 1 N + i ' N 47 .86 \ 4- - - =� 4 7 lb
< •
STRIP (TYP) - _ 2_- , _ ° 0• <.s. ° a !. `° °.., a 511 ` - - - -
-474-
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'•Q� 218 • I I I
- _ - - - i 5' y•' .,�' A <'
TMP 62F -E2 15" - - -
-------- -- --- 15rr Qom_
ROBERT HAUSER HOMES, INC. 215
7t..
- - ---- ^ - 499 FFE: 476.62
DB. 2051, PG. 3 ^ x 221 -47 - _ - A
227 / 222 �` �` 4, / �S b - - W - �� FC 473.9 GFE: 475.29
14 \ 4.�1,: 467.87 (INGR.)
26 FG1473. 4j6 II / / / /I i \ \
.91 8., v I 47 .86 d:: '.�° e+< °'.�' a'
\ / O 30 / 6 s° . •, 47 ; , \ 8rr - ..s 1 L VARIABLE WID
/ _ _ _ SA EASEMENT
c� OO 2 S M I'
\ I 1 475.05cT-
N cvt-
474.80 47 .27 479 ' 47 .77
\ \\ '�z I I I �•;. 4�$.: - _ ;j.•__ _---', , , - - I I/ACSA EASE -MEN -T \FFE: 478.08VARIABLE WIDTH \ 477 cNr I
GFE: 476.70 'FFE: 480.40 478.2 GF�: 478.53
BFE: 469.28 (INGR.) w 1
224 FFE: 480.90 _472 -FF -E:-481.09 GFE: 479.07/ FFE: 479.3 % BF 471.11 (INGR.)
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GFE: 479.57 - GFE: 479.76 _ BFE: 47'x.635 GFE: 478.06 \ o I \ co 7 .76
BFE: 47215 BFE: 472.34 B1zE:70.6 STORAGE
-471- \ \ ` _ / \ SYSTEM #2 \ `n Q)oo
1 \ - I Ipl-/I I \ w
4 0 I (135 LF -108"CMP) CG 6 \ // / O rn
(TYP \ 77.80 / / / / V
CONSERVATION - �� \ _ I I , _ _ - -469 -30' \ 80 479.88 / // / l�/��l �'I II / 0-J Q N
ASEMEdT- 0'DRAINAGE - /0315r
\' 0
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\ 7 4 7 EASEMENT 0-
470- q1A m QFFE: 481.51
---------------------- .=o
GFE: 480.18
ASPHALT L-- ---- _ _ - / / T4s _ _ \ \ ` s `• - BFE: 472.76 / / /� I LL r
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\ \ 47 4 7 / 4� _ /�/ // / / j °vim' 0
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--- -G= - �w - _--=== _ - DB Pc. 7o :479.54 \ N ^h 2_ _ _ / , z 00
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AUTHORITY& CITY OF /,�, \ GFE: 479.6 \ _ _ _ _ _ / / / I \ / J z N
CHARLOTTESVILLE GAS) / \ BFE 472.22 - / / / / / / / I t /
\ G V `� 121- /� I o
DB 3563 PG. 682 & _ -4s7 - SD4I1/�ET E \ /
EP FROM VDOT PROD. 0631-002-128 , _ _ _ D I \ V o "
CURB o __ 200 \\S\ \ \ _ _I �/\\ I \ \\ N 0
TOP=463.10' \ \ \ \ \ 47 `f // c� , , %I'\ I /� ' Q.3
INV. OUT=460.26 15 RCP R/ 199 \ \ \ \ _ r / ' // / / / / l I I '- Y
SD CU lNL ET W/ MHD -_p = _ _ _ _ _ _ , \ _ 467_ / / \ = /' I / N m
TOP=467.46' --_____ - _ [/� RO,� _ _ ,/ / - - - /i' \ 1 I cnX
INV. UT=462.81 15 RCP -�p - Q / g - / , h / / - - - - - - ' � .o
�Q SD CURB INLET W/ MHD F,gOOROU 0 Tye / G� TIE TO ` / /, // / - , , I / cn
TOP=466.48' �CR� 37.002 C�O� ISTING
INV. 1N=459.78' 15" RCP \\ \ FkAK 7?8 �` C PPS TR RE
INV. OUT=459.76' 18" RCP /(Sill wy / \ \ L)
SD CURB INLET W/ MHD�C,o - -4 R�IVS " D. I..�
TOP=465.70' ER MA I NSEAVA'rI N / I 1 O 2 --
INV. 1N=459.57' 15"RCP 11 WAT` 1 461- - - �'� �ASEMENT\ / / I l / b' l
v
INV. OUT=459.57' 15" RCP �\ \ �1 1 \ , ' \ \ / // SOB N0. c U
iSCAL 1 "=30' / 36167 m cn
_464- _ - / \I 9� \\ \ `\ 460-\ 0 SD INLET W/GRAT�\ / / / / 30'
SHEET NO. o
a
�E
NOTES:
1. FINAL ASPHALT SURFACE NOT INSTALLED AT
TIME OF SURVEY (PENDING COMPLETION OF
HOME CONSTRUCTION).
2. STREET SHOWN ON ORIGINAL PLAN AS
SHEPHERD'S LANE NOW KNOWN AS VALCREST
LANE; STREET SHOWN ON ORIGINAL PLAN AS
SHEPHERD'S COURT NOW KNOWN AS FOWLER'S
RIDGE COURT (PER FINAL & RECORDED PLAT OF
SUBDIVISION).
3. LOCATION OF WATERLINE, SANITARY
STRUCTURES, SANITARY CLEAN -OUTS, AND BASE
ROAD TOPOGRAPHY ARE DEPICTED INCIDENTAL
TO THE AS -BUILT SURVEY AND FURTHER
CLARIFIED ON THE FINAL PLAN ('ROAD PLAN')
AS -BUILT DOCUMENTS PREVIOUSLY SUBMITTED
BY THIS FIRM.
AS -BUILT LEGEND BOLD AND/OR BOXED
AS -BUILT SURVEY _
STORM DRAINAGE MANHOLE INFORMATION IS
BY TN R P ® STORM DRAINAGE INLET W/ GRATE _- I, ,'
O S G O U FIRE HYDRANT AS -BUILT
WATER METER 6- / _ C�
DATE OF SURVEY: ® WATER VALVE '��
/-� /
\ \ Qs SANITARY MANHOLE MHS I I
TOP=460.87'
\ \ � FEBRUARY 17 2017 ® SANITARY CLEAN-OUT (4"LATERALS FROM r I
\ \ 1 \ SD CURB INLET W/ MHD RIDGE ROAD 2003 & 2009 SHEPHERDS
(9
FEBRUARY
TOP=459.80' �\V.
INCL=451.94' (8'PVC OUT)
\ `\ INV. 1N=448.93' 18" RCP (SW)
INV. 1N=449.00' 18"RCP (SE)
\ \ I \ \ \ INV. OUT=448.9024" RCP N / E
_ U
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\ \ 465 1 \ ---' \\ CD E w
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Al - - / / /� 18" RCP W/ FES, JEFFREY GWIN JENKINS & cD W v M a
1 41 ®W 101 INV. 1N=451.90' KATHERINE CHEN JENKINS \ z - x C)
_ - - DB. 4524, PG. 238 M I \ 3:O w a cn >
TMP 62F-313 -__ _ 60.63 I \ <.juiU- w
WARREN M. OR _ _ - _Lij
15" HDPE VIRGINIA M. STALLINGS 0.92 0.42 _ _ - ��5- _ `` 102 I // \ \ u° o V)
INV. (OUT)=470.34' DB. 3873, PG. 382122 - - 15" \ N LO w
H DB. 3665, PG.379 _ - _ _ - \ \ -, N > U
-
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STORAGE SYSTEM # &SWM EASEMENT I I I I / I I cn O O O W
10 0.74 S `� \ \ (66 LF - 96" CMP) 1951 SF (0.045AC) DB. 4717, PG. 703 / I 1 / I j U U U 0
\ 120 o \, �` 0.100.5 // j
\ \ �y, / , / / / \ I O OU OU OU W�
SD INLETW/GRATE , _ - -----_ TOP=476.57' (MEAN) ' , \ \ \ \ \ \ \ rn 108 465-
INV.
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YARD INLET _ _
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m.-w� m m co \ /1 / I I I I \ • CHECKED BY
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TMP 62F -E2 _ _ _ _ _ _ - - 15" �z - 215
12 - - - ---------
ROBERT HAUSER HOMES, INC. � -
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I I (FOR RI VANNA WA TER & SEWER
AUTHORITY & CITY OF
I CHARLOTTESVILLE GAS)
I DB 3563 PG. 682 & c
-002-128
- -467- SD4N�E-T
FROM VDOT PROD. 0631
-___-- 15_ TOP=463.10' 200 \ \ \\ 47 f,-
- - - `
- 'gyp INV. OUT=460.26 15 RCP R/ 199 \ \ \ \ r / / / / / / / l I I
SD CU INLET W/MHD
LEGEND TOP=467.46' -� _-___� �- \467_ / --- I
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Q \ �MFq pRp� ��T,y�'�ST / �r�x=�, \ l gs\
SD CURB INLET W/MHD _ SOI 068 R/t, �� G TIE TO
TOP=466.48' CR�c 7'00 ISTING
AREA RUNOF INV. 1N=459.78' 15"RCP Fkp��728 �`� $TR RE
(AC) COEFF. INV. OUT=459.76' 18"RCP
STRUCTURESD CURB INLET W/MHD �Rco - -4 -\ ^` R�JVS " D.I.
NUMBER
TOP=465.70'
���\\\ \11v TER MA \I II 461-
1 Q V. IN1N=459.57 15 RCP I\ \
INV. OUT=459.57' 15" RCP
)SCAL 1 "=30' /
■ ■ ■ ■ ■ ■ DRAINAGE DIVIDE `;\ - ' - - -464_ \\ \ -460-\ SD INLET W/GR TLS\ o �/ 30'df
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INV. CL=451.94' (8'PVC OUT)
IA \ 6 1811CMP 18"RCP W/F
INV. 1N=45751' l - 56.82' //
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INV. 1N=458.15'
//� \\ I
-ASPHALT PA
11
PREDEVEL/OPE-D\ \ � \ \ - - I , III
D-RAWAGEAR_EA'h
_ #
AREA = 1.61 AC \ \ \ \ CONCs4RUCTURE
(e_OSSIBLE WELL 9R
i _ \ SEPTC HQUSING) l l
--- B-xB•wDOD rNfA1�ATE-1. 8�1Sa.1.1AC\
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FOUNDATI (REM T
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-474-
V- - - - / /
II
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- / PORTION OF EXIST - STORYWOOD FAME & 1
'EMEReENCYA6C98S - - 7 RE \ I /
EASEMENT TOBEVAC-TED _ _ - - Q TTIC ousE PREDEVELOPED
1)
.r /ATTIC &PARTIAL
�17fr - O BASEMENT i - - DRAI P4AG I` AR EA # 2
' 7r- AREA = 3.33-4G
__
\ \ MANAGE'T-dRF- = 0.26 AC_
\ - 474- - �,Jo - FOREST = 2.91 Aa ell/ I /
--473
w --- _ -472-
-470 d \ \ I °
-469-
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3-
--467,vv
66-
S
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CURB ASP -47�
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CURB
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1460,\
W --
CAL E/ 1' 50'
PRE DEVELOPED DRAINAGE AREAS 0 50 100
WATER QUALITY CALCULATIONS:
SUMMARY FROM RUNOFF REDUCTION SPREAD SHEET (SEE CALC. BOOK):
POST -DEVELOPMENT LAND COVER:
FOREST: 0.53 ACRES
TURF: 2.62 ACRES
IMPERVIOUS: 1.80 ACRES
REQUIRED REMOVAL: 3.10 LB/YR
CREDITS PURCHASED: 3.10 LB/YR (PROOF OF PURCHASE TO BE PROVIDED)
TOTAL REMOVAL: 3.10 LB/YR
i`L - 7
AWW"), mmwkNr
All
lop
M" N ,^
II '�
-� 1
_----------46�---
(4"LATERALS FROM J' rY��
g 2003 & 2009 SHEPHERD'S �r I
/ RIDGE ROADV.
A INCL =451.94'(8"PVC OUT)
S /
/
a / \
POST DEVELOPED ' \
DRAINAGE AREA #1 I
/ UNROUTED
/ \ AREA = 1.04 AC.
\
IMP =0.22 AC I ^M\\
ANAGED TURF = 0.60 AC /h \
REST = 0.22 AC I
95" \ C = 78 I I
\ \ Tc = 13.4 MIN I
\ I
II
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POST DEVELOPED / °
DRAINAGE AREA #2 / °oQ�o
ROUTED (STORAGE SYSTEM #2) POST DEVELOPED --465-
AREA= 1.58 AC DRAINAGE AREA #2
IMP = 1.02 AC (UNROUTED) \b X11 \� I \
MANAGED TURF = 0.52 AC AREA= 1.64 AC VII \ o`' \
FOREST =0.04 AC IMP=0.25 AC � 111-, \1 ^ 9sAti9�T9\ \� 6
CN = 89 MANAGED TURF= 1.12 ACT.\ \[460-\
\
FOREST = 0.27 AC \\ \\ \\\ N \ / / % \ - , /CN 77/
Tc = 6.5 MIN \\ \ � j
Tc 21 MIN \`\\--_;q�e \ �� ,�, /
SCAL 1'
POST DEVELOPED DRAINAGE AREAS 0 50'
DRAINAGE AREA #1 WATER QUANTITY CALCULATIONS:
DRAINAGE AREA #1 (SEE ACREAGES, SURFACE CONDITIONS AND Tc IN MAPPING ABOVE)
PRE DEVELOPMENT POST DEVELOPMENT
Q2 2.67 CFS 2.67 CFS
Q10 5.84 CFS 5.66 CFS
DRAINAGE AREA #1 DRAINS TO THE EXISTING DUNLORA POND WHERE THE DRAINAGE AREA EVENTUALLY
BECOMES LESS THAN ONE ACRE OF THE TOTAL DRAINAGE AREA. THE EXISTING PIPE SYSTEM THAT
DRAINS THE 1.56 ACRE AREA ACROSS SHEPHERDS RIDGE ROAD, FROM THIS SITE, HAS BEEN VERIFIED TO
BE ADEQUATE OF THE STORM FLOW. THE EXISTING POND DRAINS TO TOWN BRANCH, EVENTUALLY
MAKING ITS WAY EASTWARD TO THE RIVANNA RIVER.
DRAINAGE AREA #2 WATER QUANTITY CALCULATIONS:
(SEE ACREAGES, SURFACE CONDITIONS AND Tc IN MAPPING ABOVE)
PRE DEVELOPMENT POST DEVELOPMENT
Q2 4.43 CFS 4.43 CFS
Q10 9.80 CFS 9.77 CFS
DRAINAGE AREA #2 DRAINS AND IS STORED IN TWO CONNECTED STORAGE PIPES. FROM THE STORAGE
PIPES THE STORM SEWER IS CONNECTED INTO AN EXISTING DROP INLET THAT IS LOCATED WITHIN THE
RIO ROAD RIGHT OF WAY. THIS STRUCTURE DRAINS ACROSS THROUGH CATEC, EVENTUALLY OUTFALLING,
AND DISCHARGING INTO MEADOW CREEK.
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DRAWN BY
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DESIGNED BY
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CHECKED BY
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SCALE
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WATER QUALITY SUMMARY
Virginia Runoff Reduction Method New Development Worksheet --v2.7 Revised April 2013
Site Data Summary
Total Rainfall = 43 inches
Site Land Cover Summary
Update Summary Sheet
Print
Site Rv
A Soils B Soils
C Soils D Soils
Total
% of Total
Forest (acres)
0.00 0.53
0.00 0.00
0.53
10.71
Turf (acres)
0.00 2.62
0.00 0.00
2.62
52.93
Impervious (acres)
0.00 1.80
0.00 0.00
1.80
36.36
IN ACCORDANCE WITH APPLICABLE STANDARD OR SPECIAL DRAWING.
-Use Necessary Connecting Bands.
1
4.951
100.00
Site Rv
0.45
Post Development Treatment Volume (ft3)
8167
Post Development TP Load (Ib/yr)
5.13
Post Development TN Load (Ib/yr)
36.71
Total TP Load Reduction Required (Ib/yr)
3.10
Total Runoff Volume Reduction (ft)
0
Total TP Load Reduction Achieved (Ib/yr)
0
Total TN Load Reduction Achieved (Ib/yr)
0.00
Adjusted Post Development TP Load (Ib/yr)
5.13
Remaining Phosphorous Load Reduction (Lb/yr) Required
3.10
i
a \
a
TRANSITION BETWEEN A
PIPE DIAMETERS WHEN
DIFFERENT SIZES OF
PIPES ARE ENCOUNTERED.
Do
SHAPE TO ELEVATION
OF MID -POINT OF
LARGEST PIPE.
SHAPE TO
OFPIPE
°
A
SLOPE TO DRAIN TO INVERT
OF OUTLET PIPE
SECTION A -A
METHOD OF TREATMENT IN DROP INLETS
NOTES:
o
\
WIDTH
SHAPING OF MANHOLE AND INLET INVERTS IN ACCORDANCE WITH
2.28"
1.03"
.203"
THIS DRAWING IS TO APPLY TO THOSE STRUCTURES SPECIFIED
ON PLANS OR WHERE INVERT OF PIPE IS ABOVE INVERT OF
3.44"
`
1
SLOPE TO DRAIN
TO INVERT OF
STRUCTURE.
-All 15" Pipe is 16 Gauge,
OUTLET PIPE
MANHOLE OR DROP INLET IS TO BE FORMED AND CONSTRUCTED
Aluminized Type 2.
1
-Dashed Lines Indicates Weld.
IN ACCORDANCE WITH APPLICABLE STANDARD OR SPECIAL DRAWING.
-Use Necessary Connecting Bands.
1
-All Reinforcement Shall Meet ASTM
THE INVERT SHAPING AS DETAILED HEREON IS TO CONSIST OF A
I
e
-Refer to Sheet 2 of 2 for
PORTLAND CEMENT CONCRETE MIX CONFORMING TO CLASS A3 OR
CLASS C1, EXCEPT THAT 25% OF COARSE AGGREGATE MAY BE
J
UP TO 4" IN DIAMETER AND CONSIST OF STONE, BROKEN BRICK,
OU
> 3
BROKEN CONCRETE OR BROKEN CONCRETE BLOCK. THE SURFACE
SHALL BE LEFT SMOOTH BY MEANS OF HAND TROWELLING. NONE.-
:
OF THE COARSE AGGREGATE SHALL REMAIN EXPOSED.
W
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DETAILS OF INVERT SHAPING AS SHOWN HEREON ARE FOR EXAMPLE
0
�-
PURPOSES ONLY. EACH MANHOLE OR DROP INLET IS TO BE SHAPED
w 0 >
INDIVIDUALLY TO BEST FIT THE PARTICULAR INLET AND OUTLET
~
CONFIGURATION AND FLOW LINES.
z
SECTION B -B
PLAN
J
LU o o,
O
METHOD OF TREATMENT IN MANHOLES
XVI)OT
STANDARD METHOD
OF SHAPING
SPECIFICATION
REFERENCE
ROAD AND BRIDGE STANDARDS
MANHOLE & INLET INVERTS
CD LU v M
cl�
SHEET 1 OF 1
REVISION DATE
VIRGINIA DEPARTMENT OF TRANSPORTATION
302
106.08
Expanded
Steel C_,..,. rT.•
Expanded Steel Grate Opening Detail
Not To Scale
LBS SF
LWO
SWO
WIDTH
2.5
2.28"
1.03"
.203"
3.0
3.44"
1 .940"
.264"
GENERAL NOTES FOR TRASH RACK
( TYP. )
X 1 1/2" X
TEEL ANGLE
LB PER FT2
NDED STEEL
E BASED ON
FLOW OPENING
HOLES
HOWN
( TYP. )
1/2" X 1/4"
LE (TYP.)
/4" STEEL
_DED TO
nm,jr- Hz, SHOWN
1. STEEL TO CONFORM TO ASTM A-36.
2. ALL SURFACES OF TRASH RACK(S) MUST BE HOT DIPPED GALVANIZED AFTER FABRICATION.
3. TRASH RACK(S) TO BE FASTENED TO WALL WITH 1/2" MASONRY ANCHORS. TRASH
RACK(S) TO BE REMOVABLE.
4. TRASH RACK(S) TO BE CENTERED HORIZONTALLY OVER THE OPENING.
5. FABRICATOR MAY MODIFY COMPONENTS OF TRASH RACK FRAME TO IMPROVE
CONSTRUCTABILITY OF TRASH RACK. MODIFICATIONS MUST BE APPROVED BY
MCDPS PRIOR TO FABRICATION.
* DETAIL TAKEN FROM MONTGOMERY COUNTY, MARYLAND
WATER RESOURCES SPECIFICATIONS.
ORIFICE TRASH RACK DETAIL
No Scale
L
15" STUB
INV. =451.50
PIPE BOTTOM = 451.85*
f36" RISER f36" RISER
I
A B 1 C
I
15" STUB
WEIR PLATE
I NV.=457.14
r 70'-0"
PLAN VIEW
* SLOPE PIPE AT 0.5% TO ENSURE
POSITIVE DRAINAGE TO INVERT OUT.
BILL OF MATERIALS
MARK DESCRIPTION
A 96" Pipe (20'-0" Long) with 36" Riser, 15" Stub, Weir Plate &
Bulkhead
B 96" Pipe (20'-0" Long) with 36" Riser & 15" Stub
C 96" Pipe (10'-0" Long) with Bulkhead
1 96" Pipe (20'-0" Long)
Necessary 96" Connecting Bands with Gaskets
FINISHED GRADE
V -2 -
ASSUMED
l i
3" \ t
MINIMUM \�
BACKFILL MATERIAL
(AS SPECIFIED)
LADDER
(SEE LANE DRAWING A0137b)
v
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Z
CIL
W W
W
z� C/)
Z U W
W
c0 W
Cn
z� Z
O IW
W
� Z
Q
1 of 2
MANHOLE FRAME & COVER
(DESIGN BY OTHERS) CONCRETE LOAD BEARING INSTALLATION NOTES
SLAB (ROUND OR SQUARE)
SIZE = 1. Minimum spacing between pipe shall be as Lti l
(DESIGN BY OTHERS) shown in Table 1 to conform with ASTM A796.
i 2. Granular material used for pipe bedding and
i backfill shall conform to ASTM A798, Section 9.
3. Placement of bedding and backfill material for
pipe shall meet requirements
of ASTM A798, Section 10.
4. Minimum cover over top of pipe (for
H-20 loading) shall be the greater of
12" or 1/8 pipe diameter or span.
5. Minimum cover over the top of the pipe for heavy
IETER CMP SLIP RING construction loads shall be as shown in Table 2.
6. Length of riser pipe must be field
cut to final grade.
ETER RISER 7. Length of attached pipe stubs are determined by
Lane Enterprises based on fabrication standards
or shipping criteria. U
8. Manholes or catch basins placed over CSP riser Z
pipe shall be installed by the contractor in a U -
manner that avoids wheel loads on riser Z
and system pipe. (See Detail 1)
9. Upper portion of riser pipe shall be installed W W
with a sleeve around the OD of the pipe. The W
sleeve shall be sufficiently rigid so as to avoid Z
MAINLINE PIPE deformation when concrete is placed against the U
0 = 96" sleeve. Sleeve shall allow minimum settlement Z U W
of concrete collar without any load being applied W
to riser pipe. c0 W
10. Manhole or catch basin frame shall be sized Z Z
so that wheel load applied to frame is transferred W
to concrete collar around riser.
W
� Z
4
SECTION VIEW
TABLE 1
Minimum Spacing
Between Pipe
PIPE SPAN
-All 96" Pipe is 12 Gauge,
(IN)
5" x 1" Corrugation,
Up to 48"
Aluminized Type 2.
48" to 66"
-All 36" Pipe is 14 Gauge,
72" to 144"
2%' x Xt" Corrugation,
NO. REQUIRED
Aluminized Type 2.
4.0
-All 15" Pipe is 16 Gauge,
1
2%" x V Corrugation,
4.0
Aluminized Type 2.
1
-Dashed Lines Indicates Weld.
4.0
-Use Necessary Connecting Bands.
1
-All Reinforcement Shall Meet ASTM
A998.
1
-Refer to Sheet 2 of 2 for
3
Installation Notes.
v
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Z
CIL
W W
W
z� C/)
Z U W
W
c0 W
Cn
z� Z
O IW
W
� Z
Q
1 of 2
MANHOLE FRAME & COVER
(DESIGN BY OTHERS) CONCRETE LOAD BEARING INSTALLATION NOTES
SLAB (ROUND OR SQUARE)
SIZE = 1. Minimum spacing between pipe shall be as Lti l
(DESIGN BY OTHERS) shown in Table 1 to conform with ASTM A796.
i 2. Granular material used for pipe bedding and
i backfill shall conform to ASTM A798, Section 9.
3. Placement of bedding and backfill material for
pipe shall meet requirements
of ASTM A798, Section 10.
4. Minimum cover over top of pipe (for
H-20 loading) shall be the greater of
12" or 1/8 pipe diameter or span.
5. Minimum cover over the top of the pipe for heavy
IETER CMP SLIP RING construction loads shall be as shown in Table 2.
6. Length of riser pipe must be field
cut to final grade.
ETER RISER 7. Length of attached pipe stubs are determined by
Lane Enterprises based on fabrication standards
or shipping criteria. U
8. Manholes or catch basins placed over CSP riser Z
pipe shall be installed by the contractor in a U -
manner that avoids wheel loads on riser Z
and system pipe. (See Detail 1)
9. Upper portion of riser pipe shall be installed W W
with a sleeve around the OD of the pipe. The W
sleeve shall be sufficiently rigid so as to avoid Z
MAINLINE PIPE deformation when concrete is placed against the U
0 = 96" sleeve. Sleeve shall allow minimum settlement Z U W
of concrete collar without any load being applied W
to riser pipe. c0 W
10. Manhole or catch basin frame shall be sized Z Z
so that wheel load applied to frame is transferred W
to concrete collar around riser.
W
� Z
4
SECTION VIEW
TABLE 1
Minimum Spacing
Between Pipe
PIPE SPAN
MINIMUM
(IN)
SPACING (IN)
Up to 48"
24"
48" to 66"
% Pipe Span
72" to 144"
36"
* Spacings shown are based on
standard backfill materials, placement
and compaction practices. Minimums
can be reduced with the use of
appropriate flowable fill materials or
as directed by the design engineer.
TABLE 2
Guidelines for Minimum Cover
for Heavy Construction Equipment
PIPE SPAN
(IN)
Minimum Cover (ft) for Indicated Axle Loads (kips)*
18-50 50-75 75-110 110-150
12-42
2.0
2.5
3.0
3.0
48-72
3.0
3.0
3.5
4.0
78-120
3.0
3.5
4.0
4.0
126-144
3.5
4.0
4.5
4.5
• Minimum cover may vary, depending on local conditions.
The contractor must provide the additional cover required
to avoid damage to the pipe. Minimum cover is measured
from the top of the pipe to the top of the maintained
construction roadway surface.
TOP OF 96" STORAGE PIPE
TOP OF WEIR ELEV. = 459.50
PLATE 458.90
------ -- V 10 YEAR WSE
459.01
STEEL PLATE 2
YEAR WSE
- - - - - - - - - - - - -
456.02
4.2" ORIFICE
INV 455.46
STORAGE SYSTEM #1 DETAILS
No Scale
ELEV.
451.50
2.5" ORIFICE WITH TRASH RACK
INV 451.50
WEIR PLATE SECTION
u7
r N
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I- 0 M rc
Z \mom
=m
2 of 2
MARK
A
B
C
D
E
F
1
PIPE BOTTOM = 4F' ^'*
t
15" STUB
INV. -466.84
34'-0"
36" RISEF
PIPE BOTTOM = 46.,.,,
* SLOPE PIPE AT 0.5% TO ENSURE
POSITIVE DRAINAGE TO INVERT OUT.
BILL OF MATERIALS
DESCRIPTION
108" Elbow with 15" Stub
108" Single Tee with 36" Riser
108" Elbow
108" Pipe (14'-0" Long) with Bulkhead
108" Pipe (7'-0" Long) with Bulkhead
108" Pipe (18'-0" Long) with 36" Riser, 15" Stub, Weir Plate &
Bulkhead
108" Pipe (20'-0" Long)
Necessary 108" Connecting Bands with Gaskets
ninr n/lTTl111A - AnA nn*
FINISHED GRADE
1'-2"
1
ASSUMED
1
24"
2/3" x Y2" Corrugation,
Aluminized Type 2.
-All 15" Pipe is 16 Gauge,
1'-5"
72" to 144"
1
i
3"
4.0
MINIMUM
3.0
BACKFILL MATERIAL
-All Reinforcement Shall Meet ASTM
(AS SPECIFIED)
A998.
LADDER
(SEE LANE DRAWING A0137b)
36" RISER
15" STUB
INV.=463.50
NO. REQUIRED -All 108" Pipe is 12 Gauge,
U
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Z U 0 -
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Z r ~
o Z
o W
W
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LO
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1 of 2
(DESIGNEBYRAME OTHERS) OVER INSTALLATION NOTES
CONCRETE LOAD BEARING
SLAB (ROUND OR SQUARE) yf
SIZE = 1. Minimum spacing between pipe shall be as
(DESIGN BY OTHERS) shown in Table 1 to conform with ASTM A796.
2. Granular material used for pipe bedding and
i backfill shall conform to ASTM A798, Section 9.
3. Placement of bedding and backfill material for
pipe shall meet requirements
of ASTM A798, Section 10.
4. Minimum cover over top of pipe (for
H-20 loading) shall be the greater of
12" or 1/8 pipe diameter or span.
5. Minimum cover over the top of the pipe for heavy
DETER CMP SLIP RING construction loads shall be as shown in Table 2.
6. Length of riser pipe must be field
cut to final grade.
ETER RISER 7. Length of attached pipe stubs are determined by
Lane Enterprises based on fabrication standards
or shipping criteria. U
8. Manholes or catch basins placed over CSP riser Z
pipe shall be installed by the contractor in a O -
manner that avoids wheel loads on riser Z
and system pipe. (See Detail 1) W
9. Upper portion of riser pipe shall be installed W
with a sleeve around the OD of the pipe. The z 0- (n
sleeve shall be sufficiently rigid so as to avoid :2
of
MAINLINE PIPE deformation when concrete is placed against the Z U
= 108" sleeve. Sleeve shall allow minimum settlement
of concrete collar without any load being applied W00 ' �
to riser pipe. LL I
10. Manhole or catch basin frame shall be sized Z O Z
so that wheel load applied to frame is transferred W
to concrete collar around riser.
:2 W
� z
SECTION VIEW
TABLE 1
Minimum Spacing
Between Pipe
PIPE SPAN
5" x 1" Corrugation,
1
Aluminized Type 2.
-All 36" Pipe is 14 Gauge,
1
24"
2/3" x Y2" Corrugation,
Aluminized Type 2.
-All 15" Pipe is 16 Gauge,
1
72" to 144"
1
22/'3" x Y2" Corrugation,
Aluminized Type 2.
1
4.0
-Dashed Lines Indicates Weld.
-Use Necessary Connecting Bands.
3.0
1
-All Reinforcement Shall Meet ASTM
4.0
A998.
3.5
3
-Refer to Sheet 2 of 2 for
Installation Notes.
8
U
O Z_
Z
D:
W IW
Z V)
Z U 0 -
Wt Ir-
(/) 0O W
Z r ~
o Z
o W
W
� Z
r
LO
\gym
r � �
1 of 2
(DESIGNEBYRAME OTHERS) OVER INSTALLATION NOTES
CONCRETE LOAD BEARING
SLAB (ROUND OR SQUARE) yf
SIZE = 1. Minimum spacing between pipe shall be as
(DESIGN BY OTHERS) shown in Table 1 to conform with ASTM A796.
2. Granular material used for pipe bedding and
i backfill shall conform to ASTM A798, Section 9.
3. Placement of bedding and backfill material for
pipe shall meet requirements
of ASTM A798, Section 10.
4. Minimum cover over top of pipe (for
H-20 loading) shall be the greater of
12" or 1/8 pipe diameter or span.
5. Minimum cover over the top of the pipe for heavy
DETER CMP SLIP RING construction loads shall be as shown in Table 2.
6. Length of riser pipe must be field
cut to final grade.
ETER RISER 7. Length of attached pipe stubs are determined by
Lane Enterprises based on fabrication standards
or shipping criteria. U
8. Manholes or catch basins placed over CSP riser Z
pipe shall be installed by the contractor in a O -
manner that avoids wheel loads on riser Z
and system pipe. (See Detail 1) W
9. Upper portion of riser pipe shall be installed W
with a sleeve around the OD of the pipe. The z 0- (n
sleeve shall be sufficiently rigid so as to avoid :2
of
MAINLINE PIPE deformation when concrete is placed against the Z U
= 108" sleeve. Sleeve shall allow minimum settlement
of concrete collar without any load being applied W00 ' �
to riser pipe. LL I
10. Manhole or catch basin frame shall be sized Z O Z
so that wheel load applied to frame is transferred W
to concrete collar around riser.
:2 W
� z
SECTION VIEW
TABLE 1
Minimum Spacing
Between Pipe
PIPE SPAN
MINIMUM
(IN)
SPACING (IN)
Up to 48"
24"
48" to 66"
Y2 Pipe Span
72" to 144"
36"
* Spacings shown are based on
standard backfill materials, placement
and compaction practices. Minimums
can be reduced with the use of
appropriate flowable fill materials or
as directed by the design engineer.
TABLE 2
Guidelines for Minimum Cover
for Heavy Construction Equipment
PIPE SPAN
(IN)
Minimum Cover (ft) for Indicated Axle Loads (kips)*
18-50 50-75 75-110 110-150
12-42
2.0
2.5
3.0
3.0
48-72
3.0
3.0
3.5
4.0
78-120
3.0
3.5
4.0
4.0
126-144
3.5
4.0
4.5
4.5
• Minimum cover may vary, depending on local conditions.
The contractor must provide the additional cover required
to avoid damage to the pipe. Minimum cover is measured
from the top of the pipe to the top of the maintained
construction roadway surface.
BOTTOM OF
WEIR 471.20
TOP OF WEIR
PLATE 471.50
STEEL PLATE
STORAGE SYSTEM #2 DETAILS
No Scale
TOP OF 108" STORAGE PIPE
ELEV. = 472.00
-10 YEAR WSE
471.28
-
2 YEAR WSE
- - - - - - - - - -
468.72
8.2" ORIFICE
INV 468.30
ELEV.
4.5" ORIFICE WITH TRASH RACK
INV 463.50
WEIR PLATE SECTION
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DRAWN BY
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•
DESIGNED BY
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455
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450
T (FLOOR)
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445
(INV ATS ORAGE
SYSTEM CANNOT
BE ACCESSED)
9+50 10+00 11+00 12+00
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PROFILE SCALE
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INFORMATION IS
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AS -BUILT SURVEY
BY TIMMONS GROUP
DATE OF SURVEY:
FEBRUARY 17, 2017
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