20190981 Ver 1_04_Site Grading Plan_20190723

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GRADING LEGEND
STORM DRAINAGE NOTES
1. ALL STORM DRAINAGE PIPES SHOWN ARE TO BE CLASS III REINFORCED
CONCRETE (RCP) UNLESS NOTED OTHERWISE.
\TW=223.00 TOP OF WALL ELEVATION 2. ALL CONCRETE SHALL MEET A MINIMUM 3000 PSI COMPRESSIVE
BW=213.00 BOTTOM OF WALL ELEVATION STRENGTH.
(NOTE: BOTTOM OF WALL IS GROUND
ELEVATION NOT WALL FOUNDATION) 3. ALL PIPE IN STORM DRAIN STRUCTURES SHALL BE STRUCK EVEN WITH
INSIDE WALL.
+ 250.60 SPOT ELEVATION 4. ALL PIPE JOINTS SHALL BE MADE WITH PREFORMED JOINT SEALER,
STORM DRAINAGE WHICH CONFORMS TO AASHTO SPECIFICATION M-198 FOR TYPE B
FLEXIBLE PLASTIC GASKETS UNLESS OTHERWISE NOTED.
SF/TP— SF/TP SILT AND TREE PROTECTION FENCE 5. THE INTERIOR SURFACES OF ALL STORM DRAINAGE STRUCTURES SHALL
BE POINTED UP AND SMOOTHED TO AN ACCEPTABLE STANDARD USING
LD LD LIMITS OF DISTURBANCE MORTAR MIXED TO MANUFACTURER'S SPECIFICATIONS.
250 MAJOR CONTOUR 6. ALL BACKFILL SHALL BE NON -PLASTIC IN NATURE, FREE FROM ROOTS,
VEGETATION MATTER, WASTE CONSTRUCTION MATERIAL OR OTHER
252 MINOR CONTOUR OBJECTIONABLE MATERIAL. SAID MATERIAL SHALL BE CAPABLE OF BEING
COMPACTED BY MECHANICAL MEANS AND SHALL HAVE NO TENDENCY
---------- . -�--- ___ EXISTING MAJOR CONTOUR TO FLOW OR BEHAVE IN A PLASTIC MANNER UNDER THE TAMPING
- BLOWS OR PROOF ROLLING.
252EXISTING MINOR CONTOUR
7. MATERIALS DEEMED BY THE OWNER'S REPRESENTATIVE AS UNSUITABLE
FOR BACKFILL PURPOSES SHALL BE REMOVED AND REPLACED WITH
SUITABLE MATERIAL.
8. BACKFILLING OF TRENCHES SHALL BE ACCOMPLISHED IMMEDIATELY
AFTER PIPE IS LAID. THE FILL AROUND THE PIPE SHALL BE
THOROUGHLY COMPACTED TO 95% OF THE MAXIMUM DRY DENSITY
OBTAINABLE WITH THE STANDARD PROCTOR TEST. THE TOP EIGHT (8)
INCHES SHALL BE COMPACTED TO 100 PERCENT STANDARD PROCTOR.
9. UNDER NO CIRCUMSTANCES SHALL WATER BE ALLOWED TO RISE IN
UNBACKFILLED TRENCHES AFTER PIPE HAS BEEN PLACED.
I / I 11 10. ALL EXISTING STRUCTURES THAT REMAIN WITHIN THE PROJECT AREA
I1 SHALL BE ADJUSTED TO FINISH GRADE.
11 I 1 / / // /1 // I / I 11. AT THE START OF GRADING INVOLVING THE LOWERING OF THE EXISTING
LD LD�L— LD LD LD Lo LD L-�o tD LD LD Lo �o/ �o �\ / \ ���CCC \ �� GRADE AROUND A TREE OR STRIPPING OF TOPSOIL, A CLEAN, SHARP,
EX15TI G I 1 / EXISTING / / / / / / 1 [o / / VERTICAL CUT, SHALL BE MADE AT THE EDGE OF THE TREE SAVE AREA
FLddOD LAIN 1 ( FLOODWAY NI AT THE SAME TIME AS OTHER EROSION CONTROL MEASURES ARE
// I I / / / / I I j INSTALLED. TREE PROTECTION FENCING SHALL BE INSTALLED ON THE
/ PERMAD/ T DRPINAGE // / I SIDE OF THIS CUT FARTHEST AWAY FROM THE TREE TRUNK.
/ / / / / / I'/ / / 1/ I / / / I / EASEIE T 12. NO STORAGE OF MATERIALS, DUMPING OF WASTE MATERIALS, FILL, OR
/9 PARKING OF EQUIPMENT SHALL BE ALLOWED WITHIN THE ROOT
/ //j �d 3 / 30d_ 1 I PROTECTION ZONE, AND NO TRESPASSING SHALL BE ALLOWED WITH THE
/ I /I I �aa Mill L3ad / BOUNDARY OF THE ROOT PROTECTION ZONE.
��
EXISTING ( I I I I °l.
POWER POLE / / I I // 9 I II /
EXISTING EDGE EXISTING EDGE I
ol OF ASPHALT / EXISTINGnNj?/
/ �� ,�oa / y/ \ 11 I I I / I / EX ASPHALT I
DRIVEWAY PROPERT1 / , / �/ \ 1
/ ► / ' / / ►rj / / / / \ 1 I / / I DRIVEWAY 1
// /�OWN. a
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\ \ i / �� I / '� 8" GV&B / /e / / / / II L \ EXISTING / ----�' / / �
I \ �\ / \ / / 1 / J �'/ I //// / / // EXISTING I --- /
1 �,,
�wFo w�w �� \ \ i / �� \ �I \ / / �— — �� / / / 1 8" GV&B
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BUCKINGHAM ROAD > PAVING -;-
"60' PUBLIC R/W" I LIMITS ; I / / 1 - - - ,� �`- -%-_-� = /i/ / L---z- - - - j - - - - -- - --/--
61'x16'x6' PRECAST
CONCRETE BOX \ ?
p( G �/ CULVERT I / / / EXISTING
DIP SS/ --__285 GAS LINE
EXISTING
FIBER OPTICER -
(, ��FGTG —! f�G�-IG— G �/ G —� FO / FO00 FO F FO FO FC� / F�� �_FO FO — C'FO � �GQ �FO FO FO FO F(
SSS
S SS SS / SS SS _�'S'�� SS�- -__ SS _ G F/ \ \ SS SS
PROP JB-101
EXI EDGZF,
VEMENT
- - - - - - - - - - - - - - - - -
2!8J2 — — — — — —
_ �G _
0 OU — OU 0 0SO—P 0 OU — pU _ G G — — — — — — — — —--------.
dill _ _ - / / //� F / \ — 6 _ gl�—�-o�r_i err — — ou ou ou ou ou %�} ou ou ou ou
DISTURBANCE /�- _ _ / ro / / / 284 — % /! — - 1 J-�— - \
283-
-
EWER POLFf / ry ! ry ^ / / / / /� / \
l l /� -JI I
9 / ► / `rI / EXISTING/ / I \ — — — _ — J
FENCE/ 6 EXISTING EDGEOF
EXISTING / DRIVEWAY
RETE
5 ' /JORDAN LAKE / / / ' /� / /�� / / — LIGHT POLE/
,,,STREAM BUFFER (TYP)//9 / / / I / // / / / ry }� /
/ CV
/ A / EXi DIP SS
/
dill .0p
ill
/ PERMANENT DRAI 6 I GRAPHIC SCALE
EASEMENT /
9 �I // / / / / / � I I I o s io zo
-
/// linch -10ft.
NOTE:
CONDITIONS SHOWN ARE PRIOR TO ADDITIONAL STABILIZATION MEASURES
VELOCITY DISSIPATOR NCDOT CLASS 'I' FOR EXISTING CMP CULVERT, ROADWAY REMOVAL, AND WATER VALVE
/ / //// RIPRAP `� ��� / / / / / cn a1 / I I I LOCATION ADJUSTMENT. ALSO BANK STABILIZATION AND RIPRAP
501 X VARIABLE WIDTH X 36"T �_ /// / J / / / / 1 / I I I PLACEMENT IN PLACE OF THE CMP CULVERT.
///////// / / / / / /► (SEE SHEET D 1) / / / / / ' / / ['1 / / / SAWr30 2RX E.W / I/ I \
, / //// ALL CONSTRUCTION SHALL BE IN STRICT
/ / / /�/ \ // / \` \ ACCORDANCE WITH THE CITY OF DURHAM
�—� / / / � / x
�/ / / /! / /C r/1 } �- / I STANDARDS, SPECIFICATIONS, AND DETAILS.
CITY OF DURHAM
PUBLIC WORKS DEPARTMENT
APPROVED
ENGINEERING: DATE
STORM WATER DATE
TRANSPORTATION DATE
DATE
DATE
'J
McADAMS
The John R. McAdams Company, Inc.
2905 Meridian Parkway
Durham, NC 27713
phone [phone]
fax [phone]
license number: C-0293
www.mcadamsco.com
CLIENT
CITY OF DURHAM
101 CITY HALL PLAZA
DURHAM, NORTH CAROLINA 27701
919. 560. 4326
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REVISIONS
NO. DATE
PLAN INFORMATION
PROJECT NO.
DUR-18000
FILENAME
DUR18000-GI
CHECKED BY
CMS
DRAWN BY
SMP
SCALE
1" = 10,
DATE
4.15.2019
SHEET
GRADING AND STORM
DRAINAGE PLAN
C-4
PRELIMINARY DRAWING - NOT RELEASED FOR CONSTRUCTION