SW8111117_COMPLIANCE_20121201

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW
DOC TYPE
❑CURRENT PERMIT
❑ APPROVED PLANS
❑ HISTORICAL FILE
COMPLIANCE EVALUATION INSPECTION
DOC DATE
AO[AoDI
YYYYMMDD

Central Files APS_ SWP-
10/01 /12
Permit Number SW8111117
Permit Tracking Slip
Program Category
Status Project Type
State SW
Active New Project
Permit Type
Version Permit Classification
State Stormwater
1 00 Individual
Primary Reviewer
linda Lewis
Coastal SW Rule
Coastal Stormwater - 2008
Permitted Flow
Permit Contact Affiliation
Facili
Facility Name Major/Minor Region
966 Ocean Boulevard West Stormwater Plan Minor Wilmington
Location Address
966 Ocean Blvd W
Holden Beach
Owner
Owner Name
Kay
DateslEvents
County
New Hanover
NC 28462 Facility Contact Affiliation
Owner Type
Individual
Brody Owner Affillation
Kay Brody
209 Lindamans Dr
Cary
NC 27519
Scheduled
Ong Issue App Received Draft Initiated Issuance Public Notice Issue Effective Expiration
10/01/12 05/03/12 08/23/12 10/01/12 10/01/12 10/01/20
Regulated Activities Requested/Received Events
State Stormwater - HD - Infiltration Deed restriction requested
Deed restriction received
Additional information received
06/05/12
Additional information requested
06/11/12
Additional information requested
08/23/12
Additional information received
08/29/12
Outfali NULL
Waterbody Name Stream Index Number Current Class Subbasin

INFILTRATION BASIN ANALYSIS FOR PHASE II AND 2008 PROJECTS
Formula
FILENAME fS 1WQMstormwat!& rmits & profects120111111117 HD12012 10 excel_IB 111117 User input
PROJECT NUMBER SW8 111117 Current Date 01-Oct-12
PROJECT NAME
966 Ocean Blvd West Original Run Date June 8, 2012
DRAINAGE BASIN
LBR59 REVIEWER IL Lewis
RECEIVING STREAM
ICWW CLASS I SA HOW
Index No
15-25 If ORW, is site within the 575' AEC? Y N
RULES ("2008" or "Ph2") 2008 (Use a wngle quote (_) before entering 2008
PROJECTAREA
0 1318 acres Overall DA I 4537 sf
=
0 10 acres
4537
sf (reduce overall DA by_previousty permitted BUA amount)
DA for Proposed BUA
- 0
sf assume DA = previousl BUA)
DA for Prev Permitted BUA
_permitted
IMPERVIOUS AREA CALCULATION
I P,revicusly1d
Prop BUA BUA dl cliff 0S_ C value
BUILDINGS 1783 _ 1
PARKINGIASPHALT 775 0 98
CONCRETE 095
OFFSITE ?
OTHER/FUTURE —� f 7
Overall % IMPERVIOUS, 1= --564%1
New BUA % Impervious = 56 4%
Ex BUA % Impervious = - 0 0%
VOLUME CALCULATION
Previously permitted BUA Design Storm
Previously permitted BUA volume
1 yr 24 hour precipamion depth (inches)
Predevelopment C value from consultant
1 yr 24 hr Pre -development volume
1 yr 24 hr Post -development volume
1 5" volume for New BUA
2008 Design Volume
Phase 2 Design Volume
005 t 056
- 0 05 `' 056
005 005
inches (mosttrkery t or 1 5 )
cf
from NOAA chart
does not Include exlshng SUA
cubic feet
cubic feet
cubic feet
cubic feet
cubic feet
0
385
.T 73 t
811
316
4 v, 739 =;
316
SURFACE AREAS 1 ELEVA
80770M
Bottom
70P/BYPASS
TIONS 1 VOLUMES
Elev ft
Areas ft
Inc Volume
cc Volume
510
500
510
_71-
700
510
- 1020
= 1020
VOLUME PROVIDED 1 102000 1 cf
SOILS INFORMATION
ELEVATION OF
10 YEAR STORM (WAIVE BYPASS & VFS)
Runoff depth for 10 yr 24 hr storm, inches 723 from NOAA chart
Volume of 10 yr 24 hr storm =�;7650
1524 CF
Volume infiltrated in 24 hours = CF, at T=1 day, V= (2 x k x A)
Remaining volume to store = 6126 CF OK? YES
Note- the total volume provided must be larger than the remaining volume to store
COMMENTS
Volume and drawdown are 1 are not within Design Requirements

DIVISION OF WATER QUALITY
INFILTRATION SYSTEM INVESTIGATION
Complete and email this form to Vincent Lewis@ncmail net if there are more than 7 areas to be tested,
attach a second sheet`-
-/�State Soil Scientist Confirmation Visit date/time: �
_a
Project Name Quaintance/Brody Site SW County Brunswick
Street Address 966 Ocean Boulevard West Holden Beach NC
Directions from the nearest intersection of two major roads- From intersection of
NC 130 and Ocean Blvd travel west 4 1 miles Site is on the ri ht
>1 acre being disturbed? ❑YES ®NO CAMA Major required? ®YES []NO
Consultant Name Donald M Covil Phone [phone]
Consultant Firm Name Compass Pointe Engineering. PA
Bore Number
1
2
3
4
a Existing Ground Elevation
468
414
450
391
s °'s
; g?~
b Pro used Bottom Elevation
568
514
517
491
c Difference a minus b
-1 00
-1 00
-0 67
-1 00
, a W;t
d Add 2 ft Min Bore Depth)
1 oo
1 oo
1 33
1 1 00
IN,
e Hardpan Depth?
n/a
n/a
n/a
n/a
i
A2prox Elev Of SHWT
368
306
317
291
Max lowest bottom elev
568
514
517
491
' "Fl,
6ftw
h Infiltration Rate OK? *
AN'
'0MW
i Confirmation of SHWT *
Zy"
igm.z
For projects requiring more than 5 hand borings, manpower or equipment to
conduct the excavation must be provided by the consultant
"State Soil Scientist Use ONLY
Comments As indicated in B M Lona & Associates 3/7112 Soils Report, there is at least 12" of suitable
soils above the SHWT at each of the four potential infiltration basin locations It is proposed that an additional ,
12" of fill be added to provide the re uired 24" separation from the SHWT The fill material shall be of the ty
already on site (Corolla) or another type approved by DWQ
Required Attachments
1 Legible vicinity map
2 Complete Soils Report
3 PDF formatted site plan with the boring locations to be tested Site plans should be emailed or
hand -delivered only Illegible faxed maps will not be accepted
All proposed infiltration areas and existing, active utility lines located within the proposed basinitrench
must be marked and flagged If these areas are not flagged, the Soils Scientist reserves the right to
declrne to do the investigation If the proposed infiltration system will be located in an area of existing
pavement and there is no open area nearby, equipment capable of breaking through the impervious layer
must be provided The soils investigation does not take the place of a soils report prepared by an
appropnate professional The Soils Scientist will only venfy the soil conditions that are reported in the Soils
Report, and make a determination as to the suitability of the site to meet the infiltration design
requirements under NCAC 2H 1000, and assumes no liability should the system fail
StWQSISTORMWATERIFORMSIinfiltration site visit Revised 3/08

i

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Brunswick County, NC
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Disclaimer Map and parcel data are believed to be accurate, but accuracy is not Map Scale
guaranteed This is not a legal document and should not be substituted for a title search, 1 inch = �Op feet
appraisal, survey, or for zoning verification
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B M. Long & Associates
P O Box 1 1 17 * 6609 Ocean flwy West * Shallotte, NC 28459
Phone [phone] * Fax [phone]
-LAND SURVEYORS * PLANNERS -
WE SURVEY THE LAND AND ANYTHING THEREON
March 7, 2012
Michael Norton
Compass Pointe Engineering PA
5041-3 Main Street
Shallotte, NC 28459
Re Storm Water Infiltration Study
Tax Parcel #245FA005
Lot 83
S-B Colonel Beach
966 Ocean Blvd West
Dear Michael
On March 7, 2012, 1 made an evaluation of the proposed storm -water infiltration at the
above site The purpose of this evaluation was to describe the soil profile, quality the
depth to the seasonal high water table to determine soil texture, to identify the infiltration
ratio and to inform the project engineer of any potential limitations to this project
The soil on this site is mapped Corolla in the Soil Survey of Brunswick County USA
1986 Actual soil borings confirm the soil to be in the Corolla soil series
The Corolla soil can best be described as somewhat poorly diained soils on the Coastal
Barrier Islands in low areas adjacent to undulating sand ridges Most areas are long and
irregular in width and shape
The seasonal high water table is normally evident by observation of redoximorphic
features and soil color suggesting past condition of saturation and reduction 1 here is
evidence of soil color from the four holes that I dug and it v5 in) opinion that the seasonal
high water on hole #1 is 12 inches, hole #2 is 13 inches, hole 43 is 16 inches and hole #4
is 12 inches from the natural soil surface (see map for location of holes)
In summary, the test holes were placed on this lot upon project engineer's request For
difference in elevations see enclosed map which identify the elevation of each hole
There is 553 sq ft of this lot that is impacted by wetland as shown on neap 7 he coastal
wetlands and the 404 USACF line was flagged on 08/17/201 1 (see map) I here are areas
of concern and should be addressed before and after construction of any kind take place
It is expected that from the four soil borings that were dug on this lot, the infiltration rate
is in a range of 15 to 20 inches per hour

Soil Profile Description
(Test Holes)
Pest I lole 4 1
0 —1" Very dark grayish brown (I OYR 3/2) fine sand
1 —12" Brown (I OYR 5/3) file ,and
12 — 21" Light brownish gray (1 OYR 6/2) fine sand
21 — 27" Very dark grayish brown ( I OYR 3/2) fine sand
27 — 38" Dark brown (I OYR 4/3) fine sand
38 -- 52" Greenish gray (5G 511) fine sand
52" + Fine sand — soil is saturated with water
Elevation at this hole is 4 68
I est 1 lole 412
0 — 8"
Very dark grayish brown (1 OYR 3/2) fine sand
8 —13"
Brown (l OYR 513) fine sand
13 — 16"
Brown (I OYR 513) fine sand with grayish brown (1 OY/R 5/2) and
yellowish brown (1 OYR 6/6) mottles
16 - 28"
Grayish brown (I OYR 5/2) fine sand
28 — 48"
Greenish gtay (5G 511) fine sand
48" +
Fine sand — soil is sattitated with wales
Elevation at
this hole is 4 14
Y
2
I

PestIlole 43
0-16" Brown (I OYR 5/3) fine sand
16 — 33" Dark grayish brown (I OYR 5/2) fine sand
33 — 48" Greenish grav (5G 511) fine sand
48" + fine sand -- soil is saturated with water
Elevation at this hole is 4 50
Test Hole #4
0 — 2 ' Very dark gi ayislt brown (1 OYR 3/2) fine sand
2 — 12" Brown (10YR 5/3) fine sand
12 — 16" Brown (1 OYR 5/3) fine sand with grayish brown (I OYR 5/2) and
yellowish brot%n (I OYR 616) mottles
16 - 28" Grayish brown (1 OYR 5/2) fine sand
28 — 48" Greenish gray (50 511) fine sand
48" + Fine sand —,soil is saturated "ith water
Elevation at this hole is 3 91
Note Bench Mark Elevation was taken from survey by Gary Gurganus, PLS dated
9/2/2011
If I can be of additional assistance, please advise
Sincerely,SnOIL sc
Bobby M Long, LSS # 1 145 t
Attachment # 1
Attachment #2 �` 1146
Attachment #3 G�
�Rll'H
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Disclaimer Map and parcel data are believed to be accurate, but accuracy is not Map Scale
guaranteed This is not a legal document and should not be substituted for a title search, 1 inch = 100 foot
appraisal survey, or for zoning verification
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