HomeMy WebLinkAboutC2.2 - Grading and Drainage PlanADJOINERS EXISTING ADJOINEKI ASPHALT
BUILDING PAJ_ZKING LOT -
ADJBUILD BUILDING
886-
_ ----885 ---- -
_ 65
84.65
385--------------- 884= _-- 10
$M� ESMI 884 =884- D 885.20 8 885- -
v- -885- Y; , 885.00
885.55 !� E
-884 885.05 o Q 88515
114 -
I/ �� 881-
>><< m 885.40 / I
r. 884.90 �
MAX. 100_ 885.50 ADE
YEAR I I
rn I 885.00 885.10 46�
ELEV. 883.53884.60 - EAK
1-� (1.5 ORIFICE) � I �I 885.40 884.89
I
1 ,III I11I I III I I MAX.100-YEAR I I N
884.90TREE T II ELEV. = 882.22PRESERVATION (6 ORIFICE)
II�lAREA � CURB TURNOUT 885II
47
104 I OVERTOPPING 884.s7
III O _ 2-
�'� I ELEV.=884.92 884.s
/ I i I I I 879.30 1 107 884.12 884.95
\ I I 1 a 884.45 \
l \ EXISTING I
TOP -OF -BANK I I I I I I N 4
w 879 40 885.00 0 884.75
ADJB�IERS LD NGXISTING
CURB TURNOUT
-OVERTOPPING
ELEVATION = 884.87
- -
PARKING LOT 12' OF 8" SS -
(CONNECT ALL
M.E. ROOF DRAINS) =8�
88
885.28 - -
885.92 885.90
885.92 885.60
885.90
885.00 885.40 M.E. 115
i90 EXISTING
i" PORKOPOLIS
3,317 S.F.
FFE = 886.00
98 MLAG/MFPG = 885.97
/ pC),',
S� 882.68
RE9 L F. OF 12�CP &� S 882.18
R LOCATE STR. #115
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♦ \ \ \ .::ray:
i5.90 / 885.5 ♦ \ \
PROPOSED
DISTILLERY
M.E.
3,400 S.F. 885.5 885.98
FFE = 886.00
MLAG/MFPG = 885.9
885.98
\
882.59 \ \ goo��
882.os \
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OWNER:
HEARTLAND OIL MICHIGAN ROAD, LLC
3802 WEST 96th STREET, SUITE 110
INDIANAPOLIS, IN 46240
ATTN: GAVIN HART
(317) 559-4371
ENGINEER:
CIVIL SITE GROUP, INC.
160 WEST CARMEL DRIVE
SUITE 240
CARMEL, INDIANA 46032
(317) 810-1677
NORTH
30 0 15 30 SURVEYOR.
MILLER SURVEYING, INC.
948 CONNER STREET
NOBLESVILLE, INDIANA 46060
(317) 773-2644
( IN FEET )
inch = 30ft. ARCHITECT:
882.09 \ \'°
PLAN NOTES:
81.99 M..
CONTRACTOR TO REMOVE ALL
:.•
SEDIMENT AND DEBRIS FROM BMP
OUSING VAC -TRUCK AFTER ALL SITE
CONSTRUCTION AND LANDSCAPING IS
N� 882. 55
881 E. \
;`..
:.
COMPLETE
LAMSON & CONDON ARCHITECTS
ATTN: JIM BURRIS
8555 CEDAR PLACE DRIVE, SUITE 110
INDIANAPOLIS, IN 46240
(317) 559-4371
\ \ PROPERTY BOUNDARY
NOTE _
RIGHT-OF-WAY
885.80
5�7��% �w ~' ' 2.36
EASEMENT
885 68 : �.�.
885.30 \ \
;524 s851s I \ \ \ 18" OF VERTICAL SERARATION LIMITS OF DISTURBANCE
884.91 E. / / \•v \ \ \ � +' MUST BE MAINTAINED FOR ALL " (CONSTRUCTION LIMITS)
4 ..��
- EX. BMP ESlvl 885.13- 88 83 I \ d) \ \ UTILITY CROSSINGS.
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881884588.554.0.38
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•� ®EXISTING/PRO
POSED CONCRETE
84.0o 113 ELEV. 885 EXISTING DRY s884.25 885.455 �i 85.09884.63
DETENTION OVERTOPPING 884_67 8 .95 PROPOSED STORM STRUCTURE
LEAION 88EX. BMP E POND I �m - - - - - - - - - - - ROOF DRAIN
BOTTOM ELEV. _ 880.0 I
1.0% MIN. TRANSVERSE SLOPE D EXISTING STORM SEWER
s 13 LINE DENOTES DISTURBED
.6885.33 AREA
CONSTRUCTIONUCTION LIMITS 0.19ELEVATION 883.99 +RA 0 P1NG884.95
-881- ELE OVERTOPPING
-883 ELEVATION 884.97
-884- 84.59a PESMT8 M.
-884- 884.80 84.4o 5.51
884.30883- <=
X. BMP ESMT. OVERTOPPG
ssF
I OVERTOPPING - - - - ELEVATION = 884.93 /0 8 .00
ELEVATION = 882.41 XISTING CONCRETE EMERGENCY 884.50
884.96
OVERFLOW WEIR (ELEV. = 883.54) 00I I GR 885.16 884.46
OVERTOPPING ELEV. - 883.99 I -
I I 885.00 BREAK 884.66 I
884.50 � 00 885.
TREE III 4 0 885.
I PRESERVATION n 885.54 -
if � 885.04 GRADE
884 �, AREA I I I 884.30 109 884.38 BREAK 884.76�
-G O Q
885.25
884.80 884.02 884.75
\ 884.30 884.77 885.03 ( O
884 50
884884.27 884.53
\ \ .70 `i`
Q
\ � �''• � 884.50 m1 Q
S1 Q
y. 885.25 1
885.20 884.75 884.18
884.70 -
/ 1 -884-
/ \ r
� q 885.1�5
885.9 881 5.40
EXISTING
y
C-STORE
885.98
4,996 S.F.
FFE = 886.00
885.90 885 25
885.40
AG/MFPG = 885.97
884.75
-884-
-883 - - -
1.80 885.22 -
.72
\ OVERTOPPING
ELEVATION = 884.93
CONTRACTOR NOTE
II NO EARTH DISTURBING ACTIVITY MAY COMMENCE
\ I \ \ \ WITHOUT AN APPROVED STORM WATER MANAGEMENT PERMIT.
\ 1 ��p
\ \ \ d) \
DRAINAGE SUMMARY
This project is located on the west side of North Michigan Road (U.S. 421) at the intersection with
West 98th Street in Carmel, Indiana. The site consists of a single parcel totaling 3.56 +/- acres in size
It is currently developed with an existing restaurant with drive thru and convenience store with drive
thru along with gas pumps and an associated canopy. The proposed improvements will consist of a
3,400 square foot addition to the northernmost building. The existing drive thru will be removed along
with some asphalt pavement and concrete patio. The removal of existing impervious surface
combined with the building addition will result in a NET REDUCTION of 289 square feet of total
impervious surface.
Existing inlets and subsurface storm sewers are used to convey storm water to the existing dry
detention facility in the rear (west) of the property. The storm sewer outlet connects to an existing 48"
diameter storm sewer flowing south along Michigan Road.
The dry detention pond was previously designed and approved with a 1.5" orifice to discharge at 0.09
cfs and 0.24 cfs for the 10-year and 100-year storm events respectively. However, a 1.5" orifice was
not feasible and would likely become clogged; therefore, the City of Carmel requires a minimum orifice
size of 6". The existing dry detention pond with a 6" orifice discharges at 1.04 cfs and 1.43 cfs for the
10-year and 100-year storm events respectively. This is substantially less than the 2.19 cfs (10-year)
and 5.48 cfs (100-year)that previously discharged from the site into the existing storm sewer system
in Michigan Road. The pond was designed to provide a storage volume of 0.94 acre-ft. of which only
0.49 acre-ft. (53%) will actually be utilized with the minimum 6" orifice.
It should be noted that with the proposed building addition, the overall development will only have have
66,601 square feet of impervious surface. That is a NET REDUCTION of 289 square feet of total
impervious surface from the existing conditions and leaves 57% greenspace for the subject site.
Drainage conditions for the subject site and the surrounding properties will not be negatively impacted
by the proposed building addition.
OVERFLOW ROUTING
MAJOR FLOOD ROUTE FOR DETENTION FACILITY
a LOCAL FLOOD ROUTE FOR INLETS & STORM SEWERS
MINIMUM FLOOD PROTECTION GRADE &
LOWEST ADJACENT GRADE DEFINITIONS
The top -of -curb grades on Michigan Road range from 882.11 on the south to
882.68 on the north. The required Minimum Lowest Adjacent Grade (MLAG) due
to curb elevations would then be set at 15" above the Michigan Road Grade
882.68 (highest along the frontage) to be 883.93. The maximum overtopping
elevation for the local flood route for the storm inlets (assuming all inlets fully
clogged) is 884.97. One (1) above that would require a Minimum Flood Protection
Grade MFPG of 885.97. The designed 100- ear elevation of the and is 883.53
( ) g Y p
(1.5" orifice) with the emergency overflow weir set at 883.54 with an overtopping
(1.25 x 100-year max. inflow) elevation of 883.99. Two (2) feet above the
emergency overflow weir elevation would set the MFPG at 885.54. The maximum
of all of these elevations is 885.97; therefore, the MLAG/MFPG has been set at
885.97.
BENCHMARK DATA
HORIZONTAL AND VERTICAL CONTROL:
COORDINATE SYSTEM:
US STATE PLANE 1983 (AT GROUND)
PROJECT DATUM:
WORLD GEODETIC SYSTEM (WGS 1984)
VERTICAL DATUM
NAVD 88
ZONE:
INDIANA EAST 1301
GEOID MODEL:
GEOID03 (CONUS)
COORDINATE UNITS US SURVEY FEET
DISTANCE UNITS US SURVEY FEET
HEIGHT UNITS US SURVEY FEET
890
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885.22
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\ c 8 2.06
x
885.82
885.32 \ \ \
/ 885.56 J,
/ 885.06
885.25 ��
111 884.75
1 Dii
- -
885.50 8843" CURB 885.30
885.78 885.00 .77 C E N _T___ 884.80
885.28 g83 5 TO INLET
OVERTOPPING
ELEVATION = 884.95
UTILITY LOCATE NOTE
1.41 EX.
-882
INDIANA 811 FAILED TO LOCATE ALL EXISTING
UTILITIES ON AND/OR SURROUNDING THE SUBJECT
SITE; THEREFORE, CONTRACTOR IS RESPONSIBLE TO
LOCATE AND FIELD VERIFY ANY EXISTING UTILITIES
BEFORE COMMENCING WITH CONSTRUCTION. CIVIL
SITE GROUP, INC. CANNOT BE HELD RESPONSIBLE
IF THE PROPOSED IMPROVEMENTS INTERFERE WITH
ANY EXISTING UTILITY INFORMATION NOT SHOWN ON
THESE PLANS.
- -
885.50 8843" CURB 885.30
885.78 885.00 .77 C E N _T___ 884.80
885.28 g83 5 TO INLET
OVERTOPPING
ELEVATION = 884.95
UTILITY LOCATE NOTE
1.41 EX.
-882
INDIANA 811 FAILED TO LOCATE ALL EXISTING
UTILITIES ON AND/OR SURROUNDING THE SUBJECT
SITE; THEREFORE, CONTRACTOR IS RESPONSIBLE TO
LOCATE AND FIELD VERIFY ANY EXISTING UTILITIES
BEFORE COMMENCING WITH CONSTRUCTION. CIVIL
SITE GROUP, INC. CANNOT BE HELD RESPONSIBLE
IF THE PROPOSED IMPROVEMENTS INTERFERE WITH
ANY EXISTING UTILITY INFORMATION NOT SHOWN ON
THESE PLANS.
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---------------
9 1 67'
@0.31 % @0.31
12" RCP 12" RCP REMOVE 39 L.F. OF
12" RCP & RELOCATE
LJ� 10-YEAR HGL STR. #115
875 48" SUMP
11+00 10+00
STORM SEWER PROFILE
1T 14(5ial=
///
Existing Grade
New Grade
Granular Backfill
SCALE: HORZ.: 1"=50'
VERT.: 1 "=5'
875
COMPACTION NOTE
DEPENDING ON SEASONAL
PRECIPITATION AND THE
MOISTURE CONTENT OF THE
SOILS ON SITE, CHEMICAL
MODIFICATIONS (LIME
STABILIZATION) OR
ALTERNATIVE METHODS MAY BE
REQUIRED TO ACHIEVE THE
NECESSARY COMPACTION
SPECIFICATIONS.
ALL PROPOSED STORM SEWERS ARE
TO BE PRIVATE.
ALL CONCRETE PIPE JOINTS SHALL
BE CONTINUOUS O-RING RUBBER
GASKET CONFORMING TO ASTM C 443
18 " OF VERTICAL SEPARATION MUST
BE MAINTAINED FOR ALL UTILITY
CROSSINGS.
STORM STRUCTURE NUMBER
> ° PROPOSED SWALE FLOWLINE
799.23 TOP OF CURB GRADE
798.73 PAVEMENT GRADE
798.25 PAVEMENT OR EARTH GRADE
M.E. MATCH EXISTING GRADE
EX. EXISTING GRADE
Existing Contour
GRADING NOTES
1. ALL CONSTRUCTION METHODS AND MATERIALS MUST CONFORM TO CURRENT
STANDARDS AND SPECIFICATIONS OF THE FEDERAL, STATE, COUNTY, CITY
OR LOCAL REQUIREMENTS, WHICHEVER HAS JURISDICTION.
2. THE CONTRACTOR SHALL VERIFY ALL DIMENSIONS IN THE FIELD PRIOR TO
STARTING CONSTRUCTION. THE CONTRACTOR SHALL BE RESPONSIBLE FOR
ALL FIELD DIMENSIONS. IF ANY DISCREPANCIES ARE FOUND IN THESE PLANS
FROM THE ACTUAL FIELD CONDITIONS, THE CONTRACTOR SHALL NOTIFY THE
ENGINEER IMMEDIATELY.
3. THE EXCAVATING CONTRACTOR MUST TAKE PARTICULAR CARE WHEN
EXCAVATING IN AND AROUND EXISTING UTILITY LINES AND EQUIPMENT.
VERIFY COVER REQUIREMENTS BY UTILITY CONTRACTORS AND/OR UTILITY
COMPANIES SO AS NOT TO CAUSE DAMAGE.
4. THE CONTRACTOR SHALL NOTIFY ALL UTILITY COMPANIES 72 HOURS BEFORE
CONSTRUCTION IS TO START, TO VERIFY IF ANY UTILITIES ARE PRESENT ON
SITE. ALL VERIFICATIONS (LOCATION, SIZE AND DEPTH) SHALL BE MADE BY THE
APPROPRIATE UTILITY COMPANIES. WHEN EXCAVATING IS AROUND OR OVER
EXISTING UTILITIES, THE CONTRACTOR MUST NOTIFY THE UTILITY COMPANY
SO A REPRESENTATIVE OF THAT UTILITY COMPANY CAN BE PRESENT TO
INSTRUCT AND OBSERVE DURING CONSTRUCTION.
5. TRENCHES FOR ALL STORM DRAIN LINES SHALL BE BACKFILLED COMPLETELY
WITH ENGINEERED GRANULAR MATERIAL IF WITHIN 5 FEET OF PAVEMENT.
6. AFTER STRIPPING TOPSOIL MATERIAL, PROOFROLL WITH A MEDIUM WEIGHT
ROLLER TO DETERMINE LOCATIONS OF ANY POCKETS OF UNSUITABLE
MATERIAL. THE NECESSITY FOR SUBDRAINS AND/OR REMOVAL OF ANY
UNSUITABLE MATERIAL WITHIN THE PROPOSED PARKING AREAS WILL BE
DETERMINED AT THE TIME OF CONSTRUCTION.
7. PROVIDE POSITIVE DRAINAGE WITHOUT PONDING, IN ALL AREAS, AFTER
INSTALLATION, CONTRACTOR TO TEST FOR, AND CORRECT, IF ANY, "BIRD
BATH" CONDITIONS.
8. ALL PROPOSED SPOT ELEVATIONS ARE THE FINAL PAVEMENT AND FINAL
GRADE ELEVATIONS.
9. SEE APPROPRIATE DETAILS TO DETERMINE SUBGRADE ELEVATIONS BELOW
FINISH GRADE ELEVATIONS INDICATED.
10. FLOW LINE ELEVATIONS GIVEN AT END OF CONCRETE END SECTIONS.
11. SIDEWALK AGAINST BUILDING SHALL SLOPE AWAY FROM BUILDING AT
1.04% SLOPE MIN.
STORM SEWER INLET NOTE
ALL STORM WATER INLETS & CATCH BASIN
CASTINGS SHALL BE LABELLED WITH
ENVIRONMENTAL MESSAGING "NO DUMPING,
DRAINS TO STREAM" CAST IN RAISED OR RECESSED
LETTERS AT A MIN. 1-INCH HEIGHT. A SYMBOL OF A
FISH SHALL ALSO BE CAST WITH THE LETTERS
FLOOD NOTE
THIS LOT LIES ENTIRELY IN FLOOD HAZARD ZONE "X" AS SCALED
FROM THE FLOOD INSURANCE RATE MAP (FIRM) FOR HAMILTON
COUNTY, INDIANA, COMMUNITY NAME CITY OF CARMEL,
COMMUNITY NUMBER 180081, MAP NUMBER 18057CO225 G,
PANEL NUMBER 0209 G, DATED NOVEMBER 19, 2014.
REFERENCE NAP FIRM MAP #: 18057CO225 G
EFFECTIVE DATE: NOVEMBER 19, 2014
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STATE OF
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••....•
1
DATE: 01 /07/2020
DWN BY: KPB
CHKD. BY: EAG
SCALE: 1" =30'
DATE: 12/11/19
PROJECT NUMBER
HHR.002
DRAWING NUMBER
C2m2
SHEET 5 OF 12