Z-8696 Map 2STORMWATER DETENTION CALCS
TOTAL AREA (A) = 0.51 ACRES (+/-)
AREA (PAVEMENT) = 0.38 ACRES (+/-)
AREA (LANDSCAPED/TURFED) = 0.13 ACRES (+/-)
C undeveloped = 0.61
C developed = 0.85 (weighted "C" for combined paved and landscaped areas)
Q undeveloped = CiA = (0.61)(7.5 inlhr)(0.51) = 2.33 cfs
0 developed = CIA = (0.85)(7.5 in/hr)(0.51) = 3.25 cfs
Q difference = 0.92 cfs
V required detention = Q difference A tc 60 = (0.92)(0.51)(11)(60) = 309.67 cubic, feet required
V provided detention = 2007.98 cubic feet
-590-7465) FOR
OFF AN WORKCIN TIHE PIUBL C RIGHALLSHT-OF WAY PRIORITO PLACEMENT
OF CONCRETE OR ASPHALT.
PROVIDE NEW 5' WIDE CONCRETE SIDEWALK
ALONG BACK OF NEW CURB AND GUTTER
PROVIDE NEW 10' WIDE CONCRETE SIDEWALK
TO TIE NEW PARKING LOT TO EXISTING COVERED
PROVIDE CLEAN/NEAT CUT INTO ENTRANCE WALK INTO HEADQUARTERS BUILDING
EXISTING ASPHALT ALONG EDGE
OF DRIVE TO CONSTRUCT NEW
6" THICK CONCRETE ENTRANCE CONSTRUCT NEW WROUGHT IRON OR ALUMINUM
APRON FENCE ACROSS FRONT OF PROPERTY AND ALONG
EXISTING CHAIN LINK FENCE AND ABUT CORNER
OF EXISTING BUILDING
West 40th
1.27 oo TOP CURS.
Street
t 3J6 50 GUTTER
NE Corner
SE X SE Y/ Sec. 14
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36" S camwc %
1933.u0 TOP CURB
1332.50 GIJ I I ER
/ 1333 00 GUCURB-
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3.d3 GUTTER
REMOVE EXISTING 30" DIA
SYCAMORE - REMOVE ENTIRE
ROOT SYSTEM AND BACKFILL I
W/SELECT FILL /// / ;uy W es
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Iron Farce
SSMIi 66`53'16" W 1ti r'.:3R
Lid 3341(i P) to Pole /
{"s35.01e 70F ' R 6
133450 C-U. ER 1332.00 TOP CURB/ /
�� M00 GUTT /
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T PICAL ALONG
ENTIRE PE
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PARKING
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11'2 04' TOP CURB
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133/' 2.00 GUTTER
STORMWATER DETENTION
AREA - VOLUMNE PROVIDED
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= 1800 C.F.
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PROVIDE 2' WIDE CURB CUT
STORM DETENTION RELEASE
W/6" THICK x 4' WIDE x 8' LONG
/ RIPRAP ON FILTER FABRIC
RELOCATE EXISTING GUY WIRES
/ CONTRACTOR TO COORDINATE
WITH ELECTRICAL COMPANY
SCALE: V" 20'-0"
NOTE: 20 10 0 20 40FT
1. SEE NOTES ON SHEET C1.02 FOR SPECIFIC NOTES REGARDING EXCAVATION AND DEMOLITION.
2. CONTRACTOR SHALL VISIT SITE AND CONDUCT THOROUGH SITE INVESTIGATION WITH DRAWINGS SCALE: V= 20'
PRIOR TO BIDDING THE SITE PACKAGE.
3. CARE SHALL BE TAKE TO PRESERVE ALL SET SURVEY MARKERS/BENCHMARKS ON SITE DURING
DEMOLITION ACTIVITIES.
GENERAL CONSTRUCTION NOTES
UTILITIES
A.
The contractor will be held solely responsible for damage
occurring to an property during the construction of this
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E.
Contractor is to remove and dispose of all debris, rubbish
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and other materials resulting from previous and current
SANITARY SEWER:
LITTLE ROCK WASTEWATER
501-688-1452 (ENGINEERING)
project. aid contractor shall toe all necessary pre-
cautions to prevent property damage.
demolition operations. Disposal will be in accordance
with all local, state and/or federal regulations governing
501-223-1509 (EMERGENCY)
B.
In accordance with generally accepted construction
be
such operations.
WATER:
CENTRAL ARKANSAS WATER
practices, the contractor will solely and completely
responsible for conditions of the job site, including safety
F.
Prior to installation of any utilities, the contractor is
to excavate, verify, and calculate all crossings and
221 EAST CAPITOL
LITTLE ROCK. ARKANSAS
of all persons and property during performance of the
work. This requirement will apply continuously and not
be limited to hours.
inform theany and all Utilities of any conflicts prior
to construction.
501-372-5161
normal working
The duty of Central Arkansas Water to conduct construction
G.
Construction shall not start on any water utility tie-ins until
ELECTRIC:
ENTERGY ARKANSAS, INC.
inspection or review of the contractors performance
approval is given by Central Arkansas Water Utility. Said
contractorshall not operate any valve, hydrant, or water
425 WEST CAPITOL AVENUE
LITTLE ROCK. ARKANSAS
is not an inspection or review of the adequacy of the
contractor's safety measures in, on, or near the construction
utility appurtenance nor shall he attach to or to an
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main The
501-377-4000
site.
water utility without approval. contractor shall
bear the cost and consequence of any disruption of
NATURAL GAS:
C.
All water and sewer improvements shall be constructed
utility Operation caused by construction.
CENTERPOINT ENERGY
in accordance with the latest revision to the Central
400 WEST CAPITOL #600
Arkansas Water and City of Little Rock (Sanitary Sewer)
H.
Fiber optic cables on and/or adjacent to this site
LITTLE ROCK. ARKANSAS
Standard Specifications (respectively).
(Lot 4) were not located by the survey and are
888-498-0409
not shown. It is the responsibility of the contractor
D.
The contractor is specifically cautioned that the location
to locate any fiber optic cables associated with this
and/or elevation of existing utilities as shown on these
site and take all necessary and required precautions
plans is based on records of the various utility companies
to protect any existing fiber optic cables. Contractors
and, where possible, measurements taken in the field.
shall coordinate all efforts with owner of fiber
The information is not to be relied on as being exact
optic cables or their designated represenative.
or complete. The contractor must call the appropriate
utility company at least 48 hours before any excavation
to request exact field location of utilities. It shall
J.
The Contractor is responsible for contacting "OneCall"
e
the responsibility of the contractor to relocate all existing
service rior to mark all utilities prior to an demolition,
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utilities which conflict with the proposed improvements
earthwork, or utility work on the site.
shown on the plans.
REMOVE EXISTING 30" DIA /
SYCAMORE - REMOVE ENTIRE
ROOT SYSTEM AND BACKFILL
W/SELECT FILL
\SFr >A�a
s
ral
e
NEW 30' WIDE ELECTRONIC
.LED WROUGHT IRON SLIDING
ZOSS EACH ENTRANCE
LANDSCAPED AREA BETWEEN EXISTING
SIDEWALK AND NEW CONCRETE CURB
AND GUTTER (23) SHRUBS AND (4) TREES
West
9' WIDE LANDSCAPE BUFFEJR BETWEEN EXISTING
FENCE AND EDGE OF NEW r
ARKING LOT CURB
AND GUTTER
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9'-0" MIN
NE Corner
SE X SE X Sec.14
T-1-N. R-13-W
N 86' T49" W 54.60
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PROVIDE INTERNAL LANDSCAPED a tro , • 1
ISLAND (685 S F.) W/(4) TREES - (2) S5 11 N es'S3'36" W 1 - FZehar
RED MAPLE AND (2) WILLOW OA ° Lid 334.90 Power pole s8
PROVIDE EDGEING ALONG ENTIRE 4/%%%%
PERIMETER OF ISLAND TO CONTAIN
MULCH
PROVIDE INTERNAL/CORNER LANDSCAPED
ISLAND (380 S.F.)
9' WIDE (MIN) LANDSCAPE BUFFER BETWEEN EXISTING
FENCE AND EDGE OF NEW PARKING LOT CURB
AND GUTTER
_---- PROVIDE INTERNAL/CORNER LANDSCAPED CONNECT NEW 6' HI WOOD PRIVACY FENCE TO
ISLAND (340 S.F.) EXISTING WROUGHT IRON FENCE
EXISTING 30" DIAMETER RED OAK
TREE TO REMAIN
SCALE: 1 "=20'4'
1. ALL LANDSCAPING SHALL COMPLY WITH CITY OF LITTLE ROCK LANDSCAPING ORDINANCE (Sec. 15-100) 20 10 C 20 4CFT
AND ZONING REGULATIONS.
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2. ALL LANDSCAPED AREAS OF THE SITE SHALL BE CONSTRUCTED WITH AN AUTOMATIC -ILL: 1"20'v
SPRINKLER IRRIGATION SYSTEM AS PART OF THE LANDSCAPING SUBCONTRACT.
3. ALL TREES SITE PERIMETER TREES SHALL PROVIDE AN (8) EIGHT FOOT HEIGHT CLIMB LANDSCAPING CALCULATIONS
CLEARANCE EXCEPT MULTI -TRUNK SPECIES, WHICH SHALL BE INSTALLED AND MAINTAINED
AS NOT TO CREATE OBSTRUCTIONS TO VEHICULAR OR PEDESTRIAN TRAFFIC. TOTAL INTERIOR PAVED AREA = 15,960 S.F. (+/-)
4. GENERAL CONTRACTOR SHALL PROVIDE SCHEDULE 40 PVC SLEEVING 4" OR 6" UNDER ALL REQUIRED INTERIOR LANDSCAPING = (8%) x 15,960 S.F. = 1276.80 S.F.
DRIVES AND PAVED AREAS FOR IRRIGATION PIPING. SLEEVING SHALL BE BURIED A MINIMUM
OF 18" BELOW GRADE AND THE ENDS OF THE SLEEVES CLEARLY MARKED BY THE GENERAL
CONTRACTOR AND SHALL EXTEND OUT A MINIMUM OF 18" PAST ANY CURB OR PAVING. TOTAL INTERIOR LANDSCAPING PROVIDED = 1405 S.F. (340 SW CORNER,
380 SE CORNER, 685 S.F. INTERIOR ISLAND)
5. PROVIDE MULCH AND EDGING IN ISLANDS AND AROUND BASE OF ALL LANDSCAPED AREAS
AROUND NEW PARKING LOT PERIMETER.
LANDSCAPING LEGEND
ALTERNATING RED MAPLE (2" MIN
CALIPER) AND FOSTER HOLLY (2" MIN
CALIPER)
(12 TOTAL)
WILLOW OAK (2" MIN
CALIPER)
(6 TOTAL)
ALTERNATING DWARF YAUPN
HOLLY (3 GALLON) AND
COMPACT BURNING BUSH (5
GALLON) - 18" MINIMUM HEIGHT
(69 TOTAL)
NOTE: 30 FEET FROM CENTER OF 40TH STREET RIGHT-OF-WAY
TO BE DEDICATED TO CITY OF LITTLE ROCK PRIOR TO COMPLETION
OF PARKING LOT CONSTRUCTION FOR ISSUANCE OF CERTIFICATE
OF OCCUPANCY. DEDICATION MUST BE PROVIDED TO PUBLIC WORKS,
CIVIL ENGINEERING.
OF ASP
PHILLIP LEWIS
U : ENGINEER,NG, INC. ' Z
No. 566
q�SAS _ENG'
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REVISIONS:
DATE: MAY 2014
SHEET:
C1.2