SW4230101_Plansheet - C3.0 Grading/Drainage Plan_20230526

CAL VINL. STOKES / / _ �'� /' GRADING & DRAINAGE NOTES
SHELIA D. STOKES l / STORM PIPE TABLE
PIN: 111675 / / i I\ 1. ALL CONSTRUCTION SHALL COMPLY WITH ALL APPLICABLE ALAMANCE ••..`,��►,G„ARO '�i,
UPSTREAM DOWNSTREAM i .• N}' '•
DB 2452 PG 768 j / PIPE# DIA FROM -TO SLOPE LENGTH DESCRIPTION i /� l COUNTY, NCDOT AND OSHA STANDARDS. �• Q� SS% " �/ '•,
/ INVERT INVERT
PC 67 PG 80 / / J� �� 2. COORDINATE THE PROJECT SCHEDULE WITH THE OWNER, AND
/ P G ADJACENT USERS OF THE PROPERTY. MAINTAIN TRAFFIC FLOW AND DO
/ A3-A2 12" A3-A2 641.50 641.00 0.71% 70.35 LF 12" HDPE < Q' s
NOT INTERRUPT UTILITIES AROUND THE SITE. DO NO DISTURB2 78q
B2-B1 12" B2 - B1 635.95 635.00 2.00% 47.43 LF 12" DIP 2P ���\� /' /' OPERATIONS OF ADJACENT SITES AND FACILITIES AND/OR THEIR
OWNER'S ONGOING OPERATIONS. I' I 9 "..•N
i ' ®,/ / C2-C1 18" C2 - C1 637.00 635.00 3.36% 59.60 LF 18" RCP ` P �'�QP/' ; / 3. ALL EXISTING VAULTS, MANHOLES, STORM DRAIN STRUCTURES, VALVE F `••.•`
� i�� / t; / BOXES, CLEANOUTS, ETC. SHALL BE ADJUSTED AS NEEDED TO MATCH '•., ,W` ��`'
'C / EX. SCHOOL /
' \ / D2-D1 15" D2 - D1 636.00 635.00 2.48% 40.28 LF 15" RCP ) �/ FINISHED GRADE.
BUILDING EX. SCHOOL ��� \ t f
1 STORY E2-E1 15" E2 - El 636.50 634.75 2.84% 61.69 LF 15"RCP / BUILDING V 1 4. ALL BACKFILL, COMPACTION, SOILS TESTING, ETC. SHALL BE
BRICK BUILDING J PERFORMED BY THE OWNER'S INDEPENDENT TESTING LABORATORY.
1 STORY F2-F1 15" F2 - F1 639.75 638.50 2.01% 62.06 LF 15" RCP / BRICK BUILDING 5. ALL SPOT ELEVATIONS INDICATED ARE AT TOP OF CURB UNLESS
%�� \\ �/ 11 i l NOTED OTHERWISE. E
/ \ / O 6. SPOT GRADE ABBREVIATIONS: S
G1-Al 6" G1 -Al 641.50 640.75 1.36% 55.21 LF 6" PVC V \ / / I n
6.1. TC: TOP OF CURB o 'i
l00
G2-G1 6" G2 - G1 641.75 641.50 2.74% 9.13 LF 6" PVC co \ / / / 6.2. BC: BOTTOM OF CURB N
6.3. EP: EDGE OF PAVEMENT „u U .9
H2-EW-1 15" H2 - EW-1 640.50 639.91 1.25% 47.13 LF 15" RCP \ V 1 // /1 j 6.4. EX GND: MATCH EXISTING
< z 3
\ 6.5. SWK: SIDEWALK a 3
_ - - oc \\ /� / \ \ / / /% \ 6.6. FFE: FINISHED FLOOR ELEVATION °'
- a 7. SPOT ELEVATIONS ARE GIVEN AT THE MAJORITY OF THE MAJOR BREAK �
EX. BALL FIELDS a � o z
Ty / POINTS BUT IT SHOULD NOT BE ASSUMED THAT ALL NECESSARY SPOT
\ 639.97' \ / /o / a LL, p o r; O
FFE / /�� / y \ 644.18' / l \ \\ / ELEVATIONS ARE SHOWN. DUE TO SPACE LIMITATIONS, THERE MAY BE
/ \ 7\� /i \ FFE / / / \ I 1 STORY OTHER CRITICAL SPOTS NOT LABELED THAT SHOULD BE TAKEN INTO z u rn
TOP=642.15 \ / /
/J / / / < < /� CONSIDERATION. THE CONTRACTOR SHALL REVIEW THE GRADING
� INV. B.O.B. =638.35' I 6-- \ i � � � v
BRICK PLAN IN DETAIL AND SHALL ENSURE THAT ALL CRITICAL GRADE POINTS a a -a Q w
\ 6"CPP ��� / / ' l �� BUILDING ARE STAKED AND FOLLOWED TO PROVIDE POSITIVE DRAINAGE. o
< a' ca L` 0
EX. STAIRS / / / //o C'' I \ I 1 /
�/ I F� , �� SWK 1 ;Q , \ 1 1 /I / 8. ALL ELEVATIONS ARE BASED ON NC GRID NORTH (NAD 83). Oz
TOP=643.45' Ex�n>,r A _ _ �'9�p _ _ / / 645.72' �I\ i�S� / 9. THE CONTRACTOR SHALL USE NC ONE CALL 811 TO LOCATE ALL = L Ln
INV. B.O.B. =640.45' / 643.85�� _ - SWK y Q' i I 1 \ / �� / / UNDERGROUND UTILITIES. PRIVATE UTILTIES SHALL BE LOCATED BY A ~o GR w
EX. RAMP . �GdD 645.72' 1 i S� 1 / J PRIVATE LOCATE SERVICE AT THE EXPENSE OF THE CONTRACTOR. . Lu
644.11' A SWK 1 � � J �
_ LP \ f - 644.81' ��_ i EX 642.45' ' 1 / �� / / 10. INSTALL ALL STORM SEWERS TO PROVIDE REQUIRED CLEARANCES TO L
643.45' TC _ - _ _ __643 - - ' - I SWK �� �EXGIfbAGPOLE - SLOPE CONCRETE i / o�� CROSSING UTILITIES AS INDICATED IN THE DRAWINGS ANDuj
644.06' / - - - J �� ♦ ♦ 645.35' OJ 645. � \ UNDER SEAT WALL FFE r / / O� SPECIFICATIONS.
0 / SWK / V r TC TO DRAIN OUT I / �� EX. SIDEWALK Q 11. JOINT FILL AND CAULK EACH CONCRETE EXPANSION JOINT AND WHERE
P sz6, SWK 645.35/ 645.07' \ / 1 i O / & BLEACHERS /
d (k Q /i Q� EX CONCRETE PAVEMENT ABUTS OTHER PAVEMENTS, SIDEWALKS, OR ui
645.24'
A �` �� � ^ � � / �� / HARD SURFACES. �
It -OVERED / / SCALE 1"=30'
43.95' Tc oc o , _ JI ♦/ SWK EXGND ,VALKWAY EX. SCHOOL � / / 12. MAINTAIN ALL EROSION CONTROL DEVICES AFTER EACH RAINFALL O
V / 644.20' a EX GND I 642.20' 642.09' EVENT IN ACCORDANCE WITH NCDEQ LAND QUALITY REQUIREMENTS
646.19' ND G) ♦ 645.21' / // A BUILDING / / 0 30' 60' AND AS DIRECTED BY THE NCDEQ AND CIVIL ENGINEER.
\ / / 644 28' %ftwooEX _ 1 STORY I / o
ND 64 3' SWK SEAT 9' LANDING BRICK BUILDING / / 13. FLUSH ALL SEDIMENT OUT OF STORM DRAINAGE PIPES AND
\ - v /�/ �Q 645.59' A3 64TC1 6 .09' // \ WALL @ 2% I / STRUCTURES FOLLOWING SITE STABILIZATION AND AT THE END OF Q
645.64' SWK LEGEND CONSTRUCTION. FLUSH OUT PIPES AS NEEDED THROUGHOUT w
��/ GND I 1 /
I p l 1 / 645.29' 6 \ TD-2 2 �3.86' EX `� / CONSTRUCTION TO MAINTAIN PROPER FUNCTIONING OF THE DRAINAGE w w
° C5.3 / /// EXISTING PROPOSED SYSTEM. = Q
646 C5.2 PAVILION / u p
A / - - / GtJ o �\ \ SWK / FENCE x X 14. IN DISTURBED AREAS, AMEND THE TOP 6 INCHES OF LAWN AREAS WITH a
EX GND , - v / 64Z4 z // G2 , 643.80' / / / h GAS LINE z
\ , �, /j r>z ��� // � G G TOPSOIL FROM THE SITE
,64'6.49' � - � � Q m GND / O
645.11' '>p K 6"PVC SWK C,' �/ / POWER LINE 15. ALL SIDEWALKS ARE TO HAVE NO MORE THAN A 1:20 (5.0%) SLOPE FOR 0 DATE
EX. TCo //V \�s i 643.82' I // / / l/ - -UGP- UGP WK THE LENGTH OF THE SIDEWALK AND NO MORE THAN A 1:50 (2.0%) >
/ TELEPHONE LINE UGT- - UGT- 0512312023
TREE p 647.31' / \ 7 / /�^�� l G1 M IC? 43.86'/ r+'�3 / I I / // / SLOPE FOR THE WIDTH OF THE SIDEWALK.
6 7 - I I f -`"'`� ` �/ �� WATER LINE w W 16. IF CONTRACTOR NOTICES ANY DISCREPANCIES IN ANY OF THESE o
�' A2 TD-1 2 \ \ / �� // / / SLOPE REQUIREMENTS, IT IS THE CONTRACTOR'S RESPONSIBILITY TO DRAWN BY
C / EX / // I� I// / l SANITARY SAN CONTACT THE OWNER& ENGINEER PRIOR TO POURING ANY
LMB
TC o�Q �r \ C5.3 ��� / a / GAZEBO 3 If / B2 I / A �� I III I / SEWER LINE CONCRETE.
EX GN ' / / 646.67' GND 1 /i \�\S, �, \ Tc / 8 �� CABLE TV LINE - -UCATV - UCATV 17. PRIOR TO FINAL PROJECT ACCEPTANCE, PROVIDE AN AS-BUILT SURVEY DESIGNED BY
64 1` /647.00' \ 1 TC 648.48' C5 2 C5.4 / / l� I I III I I I - OF ALL UTILITY SYSTEMS AND STORM SEWERS.
' 1 �� 3 /�\��\ ' 6 3.76' o I �/ / / I I I I I FIBER OPTIC LINE - - -UFO- - - UFO 18. ANY AND ALL LANDSCAPING AND EXISTING TREES &SHRUBS TO • GWF
GND
/ / \ I / PDD7II RCP STORM PIPE _________________ REMAIN WHICH ARE DAMAGED DURING DEMOLITION OR •
LX N� / / / / \ 646.93' C5.4 1 PDD8 �\ "' I /III I -----------------/ CONSTRUCTION SHALL BE REPLACED BY THE CONTRACTOR USING A • CHECKED BY
7�5 / o �1� / / off- - 64g \\ 1 \° // 1 \\\ Al I/ / 1 �2'' 61 / ` I / I I I I I I PVC STORM PIPE N/A LICENSED LANDSCAPE CONTRACTOR AT NO ADDITIONAL COST TO THE • GWF
C5.3 \ I o/Q / a / I I I I I ' ROOF DRAIN PIPE RD RD OWNER.
/ � \ 8 \ I II III I I • • SCALE
GND \ / / �3. % 1 \ j 5 �1� 1 6 8 ' I 3 II 1 1 I I CONSTRUCTION LIMTS KEY NOTES AS SHOWN
\ 648.00' C5.2 1
/ / ' \ �: C5.2 C5.2 A f 1 1 I I •
EX. \ � l/ ,\Q GND 1 \ I/ I �!♦ \ \ I I I LIGHT POLE
GRAVEL 5
643.92' 1 \fin I LP � I I 1I 1
/ 1 1 LP LP HEADWALL •
LOT l/� / I GN GND \\ / / H2 GND 1 I \ I / EW-1 639.00' I / / \ I I I 1 C5.2
648.38' SWK \ c I 3 643.4 I I\\\ / I GND\ I 1� I I II 1 1 I 1 1 1 SITE BOLLARD 0
p / 648.24' \ 15"RCP \\/ / 3 639.83'\
\ l \ C5.4 1 \ \� I \ I PDD6 i I I UTILITY POLE {} PP -O PP CONCRETE CATCH BASIN
PDD3 �/ GND /�/ i I I j1 I 1 I I SANITARY SEWER MANHOLE O MH O MH
\ l /TSOFCONSTR i ' \ </ �' I o� /' I+ , \ GNb\ / /' I �� y I II 1111 STORM SEWER MANHOLE 9 STORM DRAINAGE TRENCHES
R20' �\ 640.>?1 dNb ch I 1
A l G'T/QN �� X \ GND 7 6�` N \ 643.25' C2 / .20' co I I I j 1 1 I 1 I
_ 647.79' � // � O MH O MH C5.2
\ 1 I 1 CLEANOUT (SANITARY
' PROVIDE POSITIVE - �P ► �X \ / C5.2 / / 18"RCP 1 3 I 1 1 O CO O CO 10
PDD2 j1 1 OR STORM) FLARED END SECTION
648.25
DRAINAGE k ' \ \ I \ \ 63 a 638 \ c C5.4 1 1 1 1 C5.2
I / � PDD1 9 � c1 I 11 1 DROP INLET ® DI ® DI �
I / / GRADE OUT DITCH \ EX. l \ \ I
/ TO \ \ 6 1 I 3 7 / EX. TR. FIRE HYDRANT CONCRETE DROP INLET O c
' CULVERT IP PE / / GATE GND 11 / \\ � I C5.4 C5.2 g RECE FH FH -
C5.3
/ C? 648.16' x I 1 \ \ I cp. \ 1 \\ WATER VALVE ® wv ® wv 2
�/ 1 / / \ I o 1 8 C5.2 4-IN TRENCH DRAIN O o
c c \ 8 \ EX. TELECOM BOX C5.3 In
ku 1 n I GND I C5.2 \ GND 1 ® ® m
642.50' \ 3 C5.2 / \ 638.84' ` SIG T 3
�IW 1 / 2 1 \5' SHOULDER I C5.4 \ O 3 RIP RAP OUTLET PROTECTION N + o
o = I \ t DRAINAGE STRUCTURE ID: Al N
_ I I 1 0 �5'RCP 5'*H C5.4 (SEE EROSION CONTROL PLAN) � °
_ U
G�1 DT 2/o SLOPE I D1 \ \ AT�,% a
I \ No
\64222
PROVIDE SMOOTH PAVING TRANSITION o
s' EX. PLAYGROUND l \ I� 1\ I I / 11 GND 1\ \ \ 1 I D2 \ \\\\\\\\ \ \\\ Ln
643.00' 1 \ \ \ 6� Z
\ \ I \ I -2 0 1 - - \ u° 3 \\ \\ \ \ \ \ 0 N m
1 1 1 �� / I 1 GND \ \ �\ \` C5.4 \\\ \ \ \ ` \ \ \ ITT \ STORM STRUCTURE TABLE z
I 639.23' °c
STRUCTURE# TOP STRUCTURE HEIGHT DESCRIPTION w a z LLI
u')
\\ \\ \\ ` \ \ 1 Al 643.00 2.94 CONCRETE DROP INLET z � Q
�� 64 \ U SHOULDER C5.2 SR�P \ ♦ �\ \ \\ \ \ \\ \ \\ r\_ 1 , c LLI (D Z a
\ II / 1 1 AT 2% SLOPE \ ^ \\ "'�,\ \\ \ \\\\ \ \ \ \ \ I� \ \ r Z z
EX. / \ I= I /= 1 1 EX. LA °, \ \ \ \� O \ \ \ \ \ \ �\\ \ I - 1-4 J
/ \ \ I A2 644.56 4.06 CONCRETE DROP INLET _j Q s
N CONCRETE / yh \ \ GND G \ \ 8 \ \ \ \� \\ \ \ zg \ \ A3 644.50 3.00' CONCRETE CATCH BASIN
o PAD \ 1() 1 C? I 1 °° \ 1 639. 2' \\ \\ \ GCS \ \ 06 3
m I 1 PROVIDE POSITIVE 64 ^\ 63 55' \ C5.2 \ > \\ \\ \ \ \ \ 62s \ "
�p \ \ \ B1 N/A N/A 12 FES z nj (D
\ EX. -co I \1 0 1 DRAINAGE 64 11 63 \ \ \. \\ \ \ 6 \� _ _ ^ \ B2 N/A N/A 12" FES _j uj C j Z o
a
N -3. /0 \ \ I \ \ PROVIDE POSITIVE �s J
/ I CONCRETE c 1 4 \ 7 DRAINAGE ~
-\� I PAD sk-29 , - _ _
1 1 _ _ � _ _ _ C1 N/A N/A 18 FES � �
E'r 4-FT X - / I �/ I 1 1 \ \\ C5.4 \ cc \ \ 62s; - - - - Q ul
a \ Ch�I/N�� p I I I 1 ND 1 1 \ ^ \ \ \ 5- SHOULDER \ \ + \ - _ - - _ _ I� (D o g
n/KFE/►/ I p ►�/ n 1 cfl i -}-��G' \ 630� ;` _ _ - _ _ __ C2 N/A N/A 18" FES U ;
�48.00 \ 4> AT 2% SLOPE �,� s - _ _ ___ _ _ w
co I 1 1 �1 \\ :\' T ♦F� \ � � � 37. ` = E o
N ' I 1 I 1 ' \ \ -6 - - - D1 N/A N/A 15" FES
1\�X_4J I I I i I 1 \ \ \\ \\ 6' \ \�ti�jy \ \ \ \ � 633\ _ -_` - - - - - D2 N/A N/A 15" FES ao
o \ 1 \ I I I \ co 1 1 \ \ 1 1 \ \ F�jiCt ♦ -_34' _ O = m
0 \ / I EX. \ I G' I _�3 I 1 1 1 \ \ / \ 1 I \ \ ` cc => ---- E1 N/A N/A 15" FES z U 3
o LANDSCAPE EX. I I 1 \ �� z N
o \ I \ G I \ \ I + \ \ fi r► 0 9D
a OHP STOP �` _ E SCHOOL 1 °, \ _� _� E2 N/A N/A 15" FES 2 Q
- \ \ OHP IOHP WALL OH \ SIGN I O // -UG _ wool Sl N 11 \\\\ t I 1 rn �cr° � c>' ` x
o \\ \ I 11 \ oHP P I \ \ \ \ \ E . POWER \ M �\ �\ \ s�� F1 N/A N/A 15" FES o w
a \ \ \S- �� _Oyi� OHP HF \ ` METER \ cD \\ \ \ \ � o
\ 1 1 I I EX. off \ \ F2 N/A N/A 15" FES w a w
o \ I I 1 LANDSCAPE r;' 1 I \ 1 \ O OHP OHP OHP- -�-O p
X. COMM. OHP a
c; \ I I I I I PROVIDE POSITIVE \ 1 \ ��U 1 EX. PO ER _ HPcm
WALL GND sz �/�® � BOX 1 \ 634 I G1 643.02 1.51' TRENCH DRAIN INLET ; Y
- C? I I DRAINAGE STRU TURF \
co \ UFO- - - - F p 642.50' GND (!�® \ I \ 1 emu°,
co - UFO- i 1 I I 641.12 F 1 _
o _ _ _ - - - j o�=� = 7 7 -uFo- _ - - uio= o J O- �' ,I I _UFO \ - UFO=- 1= I F _-__ P,-- - G2 643.93 2.18' TRENCH DRAIN INLET o
_ )- -=-J-GT- G - G- _ - - - 15"RCP - -G- - T _ - - - _/ 6 = H2 N/A N/A 15" FES E
o IJGT- ` -R/�----+� 15"RCP \ - _ / _ - - _ .
PROPERTY E S uGr-_- - - - �T� '\"" - , � - - - - _-�1 W - T - - - \ 639 637 634- - - - UG1
a) CENTERL/NE -UGT _� 1 \ \ J - �- - - - -uG \ \
R=1641.45' OFRIW - -UGT \ �' - - \ UGT -\ - -�UGT - -UGT��-• �� r�� t F2 �.{GT� � �� �Y T r.�LAOMT�..�.r l _ ram o m
CB=S60" L=4581.21� \ \ \ LIMITS OF CONSTRUCTION
0 4337"W CHD=38170, \\ \ \\ \ / REMOVE AND 3 8 7 A 8 3 \ \\ \\ DO NOT DAMAGE \ \\ I E63o.4s 0
w \ 1 \ \ \ RE-INSTALL ROADSIDE C5.4 C5.2 C5.2 , - C5.2 C5.4 0 \ I EXISTING 1 l m
c INFRASTRUCTURE \ N
o� �� _ rni _�� ,� _ SIGN AFTER GRADING _ , I I I r �� �06 No. o
_ -L-UFO- - �\ N o c�'o� coo cob ��'I �p� a p�L NC GRID rn \ .o
/ NAD83 , .
i
� i 0 co cp Cp ;o ^� M w -6'
w -w_=_ -UF // (2011) _O , I M 0 �� w 52013
-uFo - - ` __ _ _ _ _ _ I -_ _ -_ - - - -UF NORTH=826489.72 FT +- - i / I 11 1 \ \ o
c\j �W \ -� - - - TJFO _z =-C UFO W - / - 1"IFO -- UFO -- - =CJFO = -UFO w i- uFo w _EAST= 1855719.E FT - ;- - - I / II I �1 1 SHEET NO. Q o
MR/W - - - - - - _ - - - - - - - - - - - - - - - -\ - , ' � \"- --\- ^ - ==;` - -?-' / ''� , � _' ,' C3.0 �
R - - - - - - - - _ II / ' E
L_