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CONSTRUCT
' JUNCTION BOX
FL IN -343.5030' RCP
\ FL IN -337.60 (12' RCP)
�. FL OUT -337.50
J
O
CL
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48
REMOVE EXIST FES. "CONSTRUCT--- SEGMENTAL BLOCK
SURFACE INLET RETAINING WALL
EXTEND EXIST W RCP FL -338.0
EXIST -FL -344.0
311 RCP Xi 12 :LF
45 0'.. - AREA DRAIN
�oSTRll'N
\ , .CON
1 ' -.. 20 0 20 60
`" • ` SURFACE LET
°� �' �• FL -337.0 e
t
3�PROP-SOp GE 3��, a `� �� SUBDRNN�� end SWIk Scale 1 = 20 ft
1 end
3
p,, a 4 SUBDRAIN ""' +:� = -O� P\ t
a . x CURB CUT
1 / 7
�`%' GENERAL SITE UTILITY CONSTRUCTION NOTES:
r __ kQ _ 0 , , A - �� 1.. •• 1
ARCHITECTURAL
/ A RTURAL DRAWINGS FOR AILCTAT
BUILDINGS, WALLS AND OTHER STTRUURS.f
X
C CONSTRUCT DUMPSTER PAD. 0 / /
' T THICK 3500 PSI CONCR COVERED k� PROP BLDG �� �� /2. FINISH CONTOURS AND GRADES
W% 4 REBAR ®6' O.C. AY PARKIN FF -344.0 SURFAC SS ALLLOWANCES SHALL BE MADEWFORRPAVEMENTS, SLABS,
1 W/ 4 THICK SB -2. �o s� use 3. , �\ S
0. • .p �'��_ �`� � SHAPED BETWEENFINISHEDSPOT ENEVATIONSSAND/OR FINISH BE
1 i _ .0 l;),
= q4A 0 / SHOWN. MINIMUM PAVEMENT SLOPES SHALL BE 1%, MINIMUM FINISH
/ /
��' •� \` \ l SLOPES ON GRASS OR SOD SURFACES SHALL BE 1%, MINIMUM
/
NO CURB 4 / �/ LONGITUDINAL CONCRETE CURB &GUTTER SLOPE SHALL BE 0.6%, SPILLOUT CURB SHALL BE USED ON THE HIGH SIDE OF PAVEMENT AND
r --- 3 7 i s 9� \ I AT DISCHARGE POINTS.
CONSTRUCT, 6 / /
CURB 1 IN `
l
FERTILIZED.SLOPES SHALL BE SEEDED AND MULCHED(0
R LAND
SCA
PED
) r 3. THE CONTRACTORLL CONTROL EROSION ON THE SITE. ALL
FL -335.50 3 � SOON SSRA AEA NOTICE OF
ENT WITHTHEARKANSAS DPCÐE SITE SH
EASO MAINTAIN IVIN GE DURING CONSTRUCTION,
WATER SHALL NOT BE ALLOWED TO OND.
j 5 r 24 RCP X 183 LF STORMWATER D . 0 / /
�I 1. / 4. ALL AREAS TO BE CUT OR FILLED SHALL BE CLEARED AND
/ N 3` /
4 h2• <' - �y �� STRUCT R - -� ` / / ! Jr GRUBBED. THE MAXIMUM FILL SLOPE SHALL BE 3O ALL FILLS
f f �� ` •' / � l SHALL BETMADE �IN 8"MLIFTS EAND COMPACTED, AT OPTIMUMMOISTURE
31N 0 �`` ' - / / CONTENT 0 95% OF MODIFIED PROCTOR DENSITY S. BORR (ASTM C-1557), AS
DETERM�= (` FILL
pyoUR i MATERIAIL SHALLNED IBE SELECT CLAY SAND ENSITY T OR SANDY O CLAY DHAVING A
X \ 3r %/ D FILL.
CLASSIFYING ASLIQUID LIMIT SSCTOR GC ACCORDING TOHAN 40 OR OTHER PTHEEUNIFIED SOILS SOILS
FL-
/ /, /FILL
CLASSIFICATION SYSTEM ARE CONSIDERED SUITABLE. SHALE MATERIAL
CURB ,CUT -��!I \ / IN FILL SHALL BE COMPACTED AT 3% ABOVE OPTIMUM MOISTURE
- - CURB CUT 4 I w/�. / / // CONTENT WITH A VIBRATORY SHEEPS FOOT COMPACTOR.
C NST END SECTION - - - - _ ��
CONSTRUCT 24 RCP
�� 5. THE CONTRACTOR SHALL COORDINATE WITH EACH UTILITY COMPANY
` : � U/ PRIOR TO ANY EXCAVATION. ANY DAMAGE TO UTILITY LINES CAUSED
1 `� FL -335.0 THECONTRACTORSL B REPAIRED T THE
HORIZONTAL OAND VERTICAL ALIGNMENTOFEXISTING G AND PROPOSED
STORM SEWER, SANITARY SEWER AND WATER LINES TO ENSURE THAT
CURB CUT -f \ / / / / THEY ARE INSTALLED WITH ADEQUATE COVER AND CLEARANCE . ALL
V ROUGH GRADING SHALL BE COMPLETE BEFORE INSTALLATION OF STORM
F_y
V r i SEWER, SANITARY SEWER AND APPURTENANCES, WATER MAINS, SERVICES
r/ AND APPURTENANCES. ALL UTILITY TRENCHES SHALL BE BACKFILLED
3 V 4
\�. / AND COMPACTED WITH SELECT MATERIAL AS SPECIFIED IN NOTE #4 J CONSTRUCT / ! /
\' ply 6. THE CONTRACTOR SHALL COMPLY WITH ALL APPLICABLE LAWS,
TAIL -OUT DITCH I: / GOVERNING WORK OF THIS TYPE.
CONSTRUCT HC RAMP /
�i � _ 1 CODES AND ORDINANCES GO E
SEED,MULCH FILL AREA '/
� 7. THE INSTALLATION OF AL CULVERT PIPE TO BE IN ACCORDANCE
` CONSTRUCY CONCRETE WITH AHTD SPECIFICATIONS.
�� �� .• J i� DRNEWAY 'APRON /
„s
1
AND AREENOTITO BE SAVEDSHALL
/ EXISTING WHICH
REINTERFERE
WITH
THE
WORK,
IMPROVEMENTS IN THE RIGHT-OF-WAY WHICH ARE TO REMAIN SHALL BE
W It
PROTECTED BY THE CONTRACTOR.
CLEARING LIMITS I. / i
9. ALL REINFORCED CONCRETE PIPE (RCP) SHALL BE CLASS III WITH
BELL AND SPIGOT CONFORMANCCE WITH PIPE, MATERIAL
TE ARKANSAS ION
SHALLBE WAY AND
_/ TRANSPORTATION DEPARTMENT (AHTD) STANDARD CONSTRUCTION
1
♦ J - / J / SPECIFICATIONS.
/ CONSTRUCT HC RAMP /r STORMWATER DETENTION CALCULATIONSAHTD
10. ALL SHALL MEETREQUREMENTSRFOR GA ANDPIPE
A DRSHALLEBE POLYMER
AREA - 0.85 Acres COATED IN ACCORDANCE WITH ASTM A-742 AND PASHTO M-246. THE
p Average Slope - 8% LAST 12" OF EACH LENGTH SHALL BE RECORRUGATED WITH ANNULAR
Y J I mom 000s « co / I Undeveloped Developed CORRUGATIONS TO ACCEPT CORRUGATED COUPLING BANDS.
.00 1 �► '-.\ / / Runoff Coefficient 0.55 0.90
ING
moo ` i Time of Concentration (min.) 10 5 INC ALL WATER MAINS AND SEWER MAINS AND THEIR APPURTENANCES
, SHALL1 +✓ ` THE LATESr
C/ I C' I I 25 Year Rainfall Intensity (in./hr.) 7.1 8.5 ROCK DMUNICIPALLLATIONWATER WORKS ANDPLY LITTLETROCK WASTEWATERLUTILITY
SPECIFICATIONS. CONNECTIONS SHALL NOT BE MADE TO EXISTING LINES
JJ Differential Runoff Rate (R) = 0.90(8.5)-0.55(7.1) = 3.75 In,/hr. UNTIL NEW CONSTRUCTION HAS BEEN TESTED AND APPROVED BY THE UTILITY.
CLEARING LI
MfTS `` ®® �,. ', k I I ' / / Simplified 12. THE CONTRACTORS ATTENTION IS SPECIFICALLY CALLED TO THE Volume Required = R x A x Tc x 60 LOCATION OF THE EXISTING IMPROVEMENTS. Vme Formula
r =3.75x2.1 x5x60
/ 956 cubic foot THE CONTRACTOR SHALL BE SOLELY RESPONSIBLE FOR DAMAGING ANY
® I I I Volume Provided EXISTING IMPROVEMENTS WHICH ARE TO REMAIN.
Q
i c e 3 / 24" RCP x 249' = 782 cubic foot PRIOR TO SUBMITTING HIS BID, THE CONTRACTOR SHALL REVIEW THE
CONSTRUCT -
o TAIL -OUT DITCH I 4' dia Inlet x 19.9' - 200 cubic foot PLANS AND SPECIFICATIONS- HE SHALL VISIT THE SITE AND INSPECT
/ 1,032 cubic foot THE CONDITION OF THE SITE AND THE ADJACENT IMPROVEMENTS.
- -- -� �' - - -` I `i Release 25 Year Undeveloped Flow 3. CONTRACTOR S E -C L" OR LOCATION OF ALL
s i' / '' ' Off -Site & On -Site r 1 THE NTRACTO HALL CALL • ON AL F
' UTILITIES PRIOR TO COMMENCEMENT OF ANY EXCAVATION.
Acreage 15.9 acres '
/, `` - -, I• l ' Runoff Coeffecient 0.55 14. ANY EXCESS EXCAVATED MATERIAL, NOT REQUIRED FOR CONSTRUCTION
Time of Concentration 15 min. OF FILLS SHALL BE PLACED ON LOW AREAS ADJACENT TO SITES.
MEMO
25Y Year Rainfall Intensity
6 3 'n./ r.
Q -0.55(6.3)(15.9) =55.1 cfs
tArri�..� f
p
' i Use 24" RCP Pipe as Outlet i�IL
\')1•
,. _..
- r - -
- -
1 5 _ .2x6 )
_ \. �I ' �I 24" FES Q 38. x fs1 <25 .1 Zcfs 2 5 '/ v i� O F E g
I --- _ .5 c 5
z
A,
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GRADING, PAVING & DRAINAGE PLAN
11 -II -04
9-9-04
8-31-04
Revised 8-20-04
o °o-aA ��,�®ecr �9 r1�r�co ARKANSAS MAXILLOFACIAL SURGERY CENTER Date s_13_04
CIVIL ENGINEERING, LAND PLANNING & DEVELOPMENT, SURVEYING LOT 4 - CANDLEWOOD EAST
0 24 RAHLING CIRCLE LITTLE ROCK, ARKANSAS 72223
Survey By: Drawn By: Checked By: Approved By: Ll 7LE
I7LE ROCK, ARKANSAS
Hor. Vert.
Scale
1' =20'
Sheet C2 ofC4C4
Job No. 04 _-- 61 6J