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Drainage
Calculations
420 Rangeline Road Parking Improvements
420 North Rangellne Road
Carmel, Indiana
Job #: MSI.006
Date: 09-05-06
Prepared by: Eric A. Gleissner, P.E.
Reviewed by: Brian Cross, E.I.
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Civil~
GROUP, LLC
643 Massachusetts Avenue
Suite 200
Indianapolis, IN 46204
Phone: 317-423-3305 Fax: 317-423-3306
- Usar: nalthoust -
06, 2006 - 7:12am
PROPOSED & EXISTING IMPROVEMENTS
ADDRESS OF IMPROVEMENTS: 420 RANGE LINE ROAD
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NOW OR FORMERLY
PHILIP S. DUNLAP AND JUDY A DUNLAP
INST #96D960Q769
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CLIENT NAME: MARIE MOORCROFT
JOB NUMBER: B31321
DRAWN BY: MJJ
"CHK'D BY: KNA
DATE:' 9-01-06
SCALE: 1"=30'
SURVEY 4: 14 PHILLIPS
ZONING NOlES
ZONING = B5
SIDE = 5' SETBACK
REAR = 15' SETBACK
FRONT = 15' SETBACK
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SOUTHEAST CORNER
NORTHEAST QUARTER
SECllON 25- T18N-R3E
MILLER SURVEYING INC.
948 CONNER STREET
NOB~LUE INO~ 46080
PH. (1 (317) 773-2644 FAX 773-2694
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TABLE OF CONTENTS
Section I: Report
A. Project Title
B. Project Description
C. Design Method and Criteria
D. References
E. Existing Conditions
F. Proposed Conditions
Section II: Appendix
A. Site Information
B. Existing & Proposed Conditions (exhibits. calculations. etc.)
SECTION I: REPORT
A. Project Title
420 Rangeline Road Parking Improvements - Commercial Business
Operating Out of Single-Family Home (420 North Rangeline Road).
B. Prolect Description
This project is located on the west side of North Rangeline Road just north of the
intersection with 4th Street NW wi1hin the City of Carmel, Indiana. The overall site
is approximately 0.27 acres in size; however, less than 0.15 acres will be
disturbed by the proposed improvements. The site is currently occupied by a
single family residence used for commercial purposes. The proposed
improvements will consist of the removal of a 1,000 SF gravel parking area to be
replaced by a 5,500 SF asphalt parking surface. These plans and calculations
analyze the existing and proposed drainage patterns and will show that the
proposed improvements will have no negative effect on drainage conditions in
the area.
The existing land uses adjacent to the subject site are as follows:
North:
West:
South:
East:
Commercial I Residential
Commercial I Residential
Commercial! Residential
Commercial I Residential
C. Design Method and Criteria
1. Soil Tyee: Soil maps from the United States Department of Agriculture, Soil
Conservation Service. identify Miami Silt Loam (MmB2 -100% Site) Type "B"
Soil.
2. Desion Storm: The 2, 10 and 100-year storm events have been analyzed for
both the existing and proposed overall conditions. Hydraulics I Hydrology was
performed using the rational method.
3. Overall Watershed: Morrow-Follet Regulated Drain.
D. References
1. TR55 Stormwater Design Manual.
2. Hamilton County Soil Survey.
3. Highway Extension and Research Project for Indiana Counties (HERPIC).
E. Existina Conditions
The existing property generally drains via overland flow to the west (rear) of the
property. The runoff then continues west overland until it reaches 1st Avenue NW
where it is intercepted by surface inlets and routed into the Morrow-Follet
Regulated Drain. The existing site has one single family home. a garage and a
1.000 SF asphalt parking surface. The remainder of the site is covered with
grass and trees. The following table summarizes the existing discharge rates for
the entire 0.27 acre site as it exists today.
DRAINAGE BASIN RUNOFF (CFS)
Basin EX1
2- YEAR 0.45
10- YEAR 0.67
100- YEAR 0.94
Table 1~ EDsting Conditions
F. Proposed Conditions
The proposed improvements will consist of the removal of a 1,000 SF gravel
parking area to be replaced by a 5,500 SF asphalt parking surface. The
proposed drainage patterns for the site will remain identical to the existing
patterns. The majority of the runoff from the site will be directed to the northwest
comer so that it may flow west along the existing alley. The release rates from
the developed site will not have any significant impact on drainage patterns in the
area and should pose no threat to pUblic safety.
The following table identifies the release rates from the site, with the proposed
improvements.
DRAINAGE BASIN RUNOFF (CFS)
Basin PR1
2- YEAR 0.67
i 10-YEAR 1.01
100- YEAR 1.42
Table 2: Proposed ConditiOJlS
SECTION II: APPENDIX
A. Site Information
420 N. Rangeline Road
Survey Boundaries
- Township Lines
Transportation
Abc Interstate Hwy Text
Abc U.S. HwyText
Abc State HwyText
:::II:iII Interstate Highways
:I:B U.S. Highways
- State Highways
:z:a Primary Roads
- Minor Roads
D Parcels
2005 Aerial Photography
ail 2005 Aerial Photos
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http://www.C.JJ.hamilton.in.uslmapslcounty.mwf
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FIRM
FLOOD DlSURANCf RAlE MAP
HAMILTON COUNTY.
INDIANA
AND INCOIU'OJATBD AREAS
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lAP HU_ER
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EfFECI1Vf DATtI
FEBRUARY 19, 2003
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B. Existing & Proposed Conditions
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EAST LINE OF THE NORTHEAST QUARlER OF
SECTION 25 TOWNSHIP 18 NORTH, RANGE 3 EAST
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420 RAHGEUNE ROAD PARKING IMPROVEMENTS
420 RANGEUNE ROAD
CARMEL. INDIANA 46032
Mn.LER SURVEYDlG. Jnc.
948 COlmER STREE'r
NOBLESVILLE. INDIANA 46060
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CML SITE GROUP, LLC
09I05IIl6
EXISTING RUNOFF CALCULATION - RATIONAL METHOD
PROJECT NAME
A20 NOR'TH RANGEUNE ROAD
PROJECT No. MSLOO6
STORM FREQUENCY DESIGN YEAR
2
LOCATION
from to
INlET
AREA
EX1
ACRES COEF.
sub total "C.
0.27 :;:;::::::::::: 0.39
SUM
CA CA
0.11 ,::;:;:;:;';:;:
TIME CONe. minI
Inlet drain total
6.7 ~~i~;n~irqii 1
INT.
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4.29
"Q""
CIA
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STORM FReaUENCY DESIGN YEAR
10
LOCATION INLET ACRES COEF. SUM TIME CONe. minI INT. "Q" =
from to AREA aub total "C. CA CA Inlet dndn total .,. CIA
;~~~H~~~H;~~~ ~~~:~~~~~~~~n~ ex1 0.27 :::::;:;:::!=;: 0.39 0.1 1 ~unn:~~;~~i; 6.7 ~~H~~~~Hi~;~; 7 6.38 0.61
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STORM FREOUENCY DESIGN YEAR
100
LOCATION
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EX1
ACRES
sub total
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CA
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PROPOSEDRUNOFFCALCULATIO~-RATlONALMETHOD
PROJECT NAME
420 NORTH RANGEUNE ROAD
PROJECT NO. 11181.006
STORM FREQUeNCY DESIGN YEAR
2
LOCATION INLET ACRES COEF. SUM TIllE CONe. minI INT. "Q" ..
frllm to AREA sub total -e" CA CA inlel drain tobIt .,.. CIA
)~~~~U~~i~W ~:i)~~~~;ii~i PR1 0.27 ~~H;;~n~f:~H 0.63 0.17 ~H~~~~~~~~~~( 8.2 :;:;:;:::;::::= 8 3.95 0.67
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STORM FREQUeNCY DESIGN YEAR
to
LOCATION INLET N:.RES COEF. SUM TIME COMe. minI INT. "Q" ..
fnHn to AREA .ub ~ -e" CA CA inlet draln ~ .,.. CIA
~~~~~~~?ij~~; ~~~~n~~l~~~~g PR1 0.27 : =: ::;:~::;:::: 0.63 0.17 :::::;:;:;:;::: 8.2 ::::::::::::::: 8 5.93 1 .01
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STORM FREQUENCY DESIGN YEAR
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LOCATION INLET ACRES CoeF. SUM TIME CONC. minI INT. "Q" ..
from 10 AREA sub loC8I "C. CA CA In", drain lot.. .,.. CIA
~~~~~)~1:;n~ n:~m;n~;H PR1 0.Z7 ~i:;~;~~~~~U~ 0.63 0.17 ;.;.;.:.:.:.,.; 8.2 H~~~~n~~i!~~~ 8 8.35 1.42
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Impervious Area ...
Greens pace ...
GraveVstone =
Impervious Area ...
Runoff
Coefficient
0.90
0.20
0.85
0.85
Rooftop
Moderately Pervious So/l witn TUrf
AsPhalt
Existing tEXn. Entire Site
Impervious Area Impervious Area Greenspace stone Total Total Composite
(ft"2) . Asphalt (ft'2) . RooftoP (ftA2) (ft^2) (ft^2) (Acres) .C.
0 2167 8547 1008 11722 0.27 0.39
Prooosed IPR1). EnUre Site
Impervious Area Impervious Area Greenspace Stone Total Total Composite
(ft'"2) - Asphalt (ft'"'2) - ROoftOp (ft"'2) IftA2) (ft^2) <Acres) .C.
5501 2167 4048 0 11722 0.27 0.63
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Time of Conc:entra1ion Worksheet * SITE PJWJECT: 410 NORTH lUNGELlNE ROAD
Based on TR~S5 JOB#: M$I.(}()6
Twica) wIueB for M8lIIlin.'s Il TVIlical values fbr Mmai....'s II
0\IaIand Flow .2 year,24lwutJaibllll = ~ iDdIes Chamlel Flow
""'" gr6dS 0.150 grII.' o.enO
dense gross O.Z40 ~e 0.015
...-. 0.011 tiJ>._ o.en$
EXl 35 1.00 0.150 6 40 1.00 0.011 1 6.1
PRl 40 1.00 0.150 1 100 1.00 0.011 2 82
Page 1