SW8090110_Compliance Evaluation Inspection_20240821

aa`SrA'¢a
ROY COOPERi 4 A,,--re , ;:,
t:. rar M
ELIZABETH S.BISEIt ,n;:
Seetteary -
WILLIAMI E TOB3Y VINSON.JR NORTH CAROLUNA
lam fmDimtur Quail
August 21.,2024
Wilshire Landing Apartments,LLC
ATTN: Adam Sosne, Member Manager
2130 Bay Colony Lane
Wilmington,NC 28405
Wilshire Landing LCP,LLC
ATTN:Frank Forte,Member
218 Broad Street
Red Bank NJ 07701-2002
Subject: Notice of Inspection—Not Compliant
Wilshire Landing Apartments
State Stormwater Management Permit No. SWS 090110
New Hanover County
Dear Mr. Sosne and Mr.Forte:
Effective August 1,2013,the State Stormwater program was transferred from the Division of Water Quality
(DWQ)to the Division of Energy,Mineral and Land Resources(DEMLR). All previous references to DWQ will
remain in older stormwater permits issued prior to August 1,2013 until they are modified. Please note that this
letter references DEMLR as the Division responsible for compliance with the permit.
On August 5.2009,the Governor signed Session Law 2009-406.This law impacted any development approval
issued by the former Division of Water Quality under Article 21 of Chapter 143 of the General Statutes,which
was current and valid at any point between January 1,2008,and December 31,2010.The law extended the
effective period of any stormwater permit that was set to expire during this time frame to three(3)years from its
current expiration date. On August 2,2010,the Governor signed Session Law 2010-177,which granted an extra
year for a total of four(4)years extension. Accordingly,the Division is herewith notifying you that the subject
permit is now effective from the date of issuance until December 30,2021,which includes all available
extensions.
On August 19,2024,the Wilmington Regional Office of the Division of Energy,Mineral and Land Resources
(DEMLR)inspected the subject project,located at 4017 Wilshire Boulevard in New Hanover County to
determine the status of compliance with the State Stormwater Management Permit Number SW8 090110 issued
on January 30,2009. DEMLR file review and site inspection revealed that the site is not in compliance with the
terms and conditions of this permit. Please find a copy of the completed form entitled"Compliance Inspection
Report"attached to this letter,which summarizes the findings of the recent inspection.
As indicated in the attached inspection report,the following deficiencies must be resolved:
1. Section 11.8 of the permit: Please remember that upon completion of the project,a certification from an
appropriate designer of the system must be submitted certifying that the project has been built in
accordance with the approved plans and specifications
2. 15A NCAC 2H.1040(4)(b)and.1045(3): This permit expired on 12/30/2021. A permit renewal
application and processing fee is required to be submitted 180 days prior to this expiration date Please
submit a completed renewal application which is available on the Post-Construction Stormwater Program
- DE -4
North Cageepart n of ivironntenrai Quality i il E Resources
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OPPica 127Er Gael Drt',e Eat nsion13ivlon 1 witmiofnergy.Mineral and Land nr�ton.North Caraltara Y8d 0.5
raw 910.79d.7215

State Stormwater Permit No. SW8 090110
Page 2 of 3
section of the Division's website at deq.nc.gov/SW along with the required$505.00 processing fee and
other submittal requirements.
3. Section 11.3 of the permit: The permittee shall at all times provide the operation and maintenance
necessary to assure the permitted stormwater system functions as designed. Please ensure to maintain the
system per the approved maintenance agreement and the approved plans. The areas of permeable
pavement have been sealed with asphalt sealer and are no longer functioning in perpetuity as
permitted.The permeable pavement areas must be restored to their original design condition or
the permit must be modified to document the changed condition and demonstrate continued
compliance with the stormwater rules.
4. Section 11.10 of the permit County records show that Wilshire Landing LCP,LLC now owns this
property. The permittee,Wilshire Landing Apartments,LLC,was dissolved through the Secretary of
State on May 23,2013. As the current property owner,the permit can be transferred in accordance with
NC G.S. 143-214.7(c5). Please submit a completed and signed permit transfer application form which is
available on the Post-Construction Stormwater Program section of the Division's website at
deq.nc.gov/SW along with the necessary documentation and the required$505.00 processing fee in order
to transfer the permit to Wilshire Landing LCP,LLC. Upon receipt of the signed transfer application and
the required documentation,a site inspection will be scheduled.
5. Section II.13 of the permit: The permittee shall submit a written time schedule to address these concerns
within the time frame provided in the Notice of Inspection. Please provide a written plan of action listing
the specific steps that will be taken and a reasonable timeframe that will be required by October 1,2024.
Please be reminded that it is your responsibility as the permittee of record to submit a completed and signed
Permit Transfer Application Form to the Division of Energy,Mineral and Land Resources 30-60 calendar days
prior to making any of the below listed changes.This form is available on our website at:
https://deq.nc.gov/about/divisions/energy-mi►eral-land-resources/energy-mineral-land-rules/starmwater-
program/post-construction.
a. An ownership change including the sale or conveyance of the permitted project area in whole or in part.
This does not include the conveyance of subdivided residential lots to individuals which are made
subject to a recorded declaration of covenants and restrictions which contain the statements required by
the stormwater permit,
b. The sale or conveyance of the common areas to a Homeowner's or Property Owner's Association,
subject to the requirements of Session Law 2011-256;
c. Foreclosure proceedings;
d. Filing for Bantruptcy;
e. Dissolution of the partnership,corporate entity or LLC.Per NCGS 57D-6-07,a dissolved LLC shall
wind up,which may include continuing the business of the LLC for a period of time.The person charged
with winding up the LLC shall collect the LLC's assets[which include the stormwater management
permit],and distribute the assets as provided in NCGS 57D-6-08(2). OR Per NCGS 55-14-05,a
dissolved corporation continues its corporate existence but may not carry on any business except
that appropriate to wind up and liquidate its business and affairs,which includes the stormwater
management permit.
f. A name change of the owner/permittee;
g. A name change of the project;
h. A mailing address change of the permittee;
DE . North Carolina#department of En otunertital Quality 1 Dtvisron of Energy.Moen], and Land Resources
Wilmington Regional Ofl ice Cardlnai Calve Exienston Wllmmgton,North Carolina 284Q5
w,.
+ 910.794.7215

State Stormwater Permit No.SW8 090110
Page 3 of 3
Please be advised that until you submit the required Permit Transfer Application Form to the Division and receive
approval from the Division to transfer the permit,OR,as the permittee,you are required to comply with the terms,
conditions and limitations of the Stormwater Management Permit under Title 15A North Carolina Administrative
Code 2H.1003 and North Carolina General Statute 143-214.7, including the operation and maintenance of the
permitted stormwater system and the requirement to submit any changes from the approved plans to the Division
for approval.
Failure to provide the requested information,or to respond to this letter with a plan of action,including a timeline
to resolve the identified deficiencies,by October 1,2024,are considered violations of the permit. If the
requested information is not submitted to this office by the due date,then DEMLR staff will re-inspect the site
and may issue a Notice of Violation. Please also note that any individual or entity found to be in noncompliance
with the provisions of a stormwater management permit or the stormwater rules is subject to enforcement action
as set forth in NCGS 143 Article 21,including the assessment of Civil penalties of up to$25,000 per day.
If you have any questions,please contact me at the Wilmington Regional Office at [e-mail] or
910-796-7313 or for WIRO(910)-796-7215.
Sincerely, /'
"mac 4a*
Brian : siti1-
Environmenta pecialist
Enclosure: Compliance Inspection Report
DES\bpl: .\\\Stormwater\Permits&Projects\2009\090110 HD\2024 08 CEI_deficient 090110
cc: CoW Rob Gordon via email
North Carolina Department of Environmental Quality ( Division of Energy.Mineral and Land Resources
E .,£ailtrterr ?Mini sFgtan Rsytonal Office 127 Cardinal Drive Extension 1 Wilmington.North Carolina 28405
/ '� 910.7961215

Compliance Inspection Report
Permit: SWB090110 Effective:01/30/09 Expiration: 12/30/21
Project: Wilshire Landing Apartments
Owner: Wilshire Landing Apartments LLC
County: New Hanover Adress: 4017 Wilshire Blvd
Region: Wilmington
City/State/Zip: Wilmington NC 26403
Contact Person:Adam Sosne Title: member manager Phone:[phone]
Directions to Project:
N on S College Road turn left on Wilshire Blvd go apx 2000 feet site is on the right
Type of Project: State Stormwater-HD-Infiltration
Drain Areas: 1 -
On-Site Representative(s):
Related Permits:
Inspection Date: 08/19/2024 Entry Time 01:OOPM Exit Time:01:30PM
Primary Inspector: Brian P Lambe Phone:
Secondary Inspector(s):
Reason for Inspection: Routine Inspection Type: Compliance Evaluation
Permit Inspection Type: State Stormwater
Facility Status: ❑ Compliant ill Not Compliant
Question Areas:
State Stormwater
(See attachment summary)
page 1

Permit: SWB090110 Owner-Project: Wilshire Landing Apartments LLC
Inspection Date: 08/19/2024 Inspection type Compliance Evaluation Reason for Visit: Routine
Inspection Summary:
No response from previous inspection.
To remedy the deficiencies:
1. Restore permeable pavement to original specifications.
2. Conduct pond maintenance to restore infiltration capabilities.
3. Transfer permit to appropriate person or company.
4. Certify system through an engineer.
page 2

Permit: SWB090110 Owner-Project: Wilshire Landing Apartments LLC
Inspection Date: 08/19/2024 Inspection Type Compliance Evaluation Reason for Visit: Routine
File Review Yes No NA NE
Is the permit active? 0 • ❑ ❑
Signed copy of the Engineer's certification is in the file? ❑ E ❑ ❑
Signed copy of the Operation &Maintenance Agreement is in the file? • ❑ ❑ ❑
Copy of the recorded deed restrictions is in the file? ❑ ❑ ❑ ■
Comment: Engineer certification not in file.
Permit expired 12/30/2021.
Property is now owned by Wilshire Landing LCP, LLC. The permit was issued to Wilshire
Landing LLC, which is admin dissolved.
Built Upon Area Yes No NA NE
Is the site BUA constructed as per the permit and approval plans? 0 • ❑ ❑
Is the drainage area as per the permit and approved plans? M ❑ ❑ ❑
Is the BUA(as permitted) graded such that the runoff drains to the system? • 0 0 0
Comment: Areas of permeable pavement have been sealed with asphalt and do not function has designed.
SW Measures Yes No NA NE
Are the SW measures constructed as per the approved plans? • 000
Are the inlets located per the approved plans? • 0 0 0
Are the outlet structures located per the approved plans? 11000
Comment:
Operation and Maintenance Yes No NA NE
Are the SW measures being maintained and operated as per the permit requirements? ❑ ® ❑ ❑
Are the SW BMP inspection and maintenance records complete and available for review or ❑ ❑ ❑ U
provided to DWQ upon request?
Comment: Infiltration basin has one foot of water with aquatic vegetation, indicating persistent presence of
water and the pond not functioning properly.
Permeable pavement sealed.
Other Permit Conditions Yes No NA NE
Is the site compliant with other conditions of the permit? 0 0 0 0
Comment:
Other WQ Issues Yes No NA NE
Is the site compliant with other water quality issues as noted during the inspection? 0000
Comment:
page 3

Pusey, Steven
From: Trent Butler <[e-mail]>
Sent: Wednesday, November 2, 2022 2:06 PM
To: Pusey, Steven
Cc: Rob Gordon
Subject: [External] Wilshire Landing Apartments -4017 Wilshire Blvd - SW8 090110
Attachments: DSC00689.JPG; DSC00693.JPG; DSC00695JPG; DSC00700.JPG;WILSHIRE LANDING APTS
CP 1119.pdf;2009-1-30 State SW.pdf
CAUTION:External Do not c!ck links or open attachment;unless tau verify.Send all s ppicious emit as an atta'hm ;rt to
Report Spam.
Good afternoon Steve,
City Zoning had some notes on a resurfacing permit for the Wilshire Landing Apartments (4017 Wilshire Blvd).The
contractor sealed over the pervious pavement parking areas and tried to repair the damage by sandblasting.
This project does not have a City stormwater management permit, but it has an existing State stormwater permit,SW8
090110.
I just wanted to notify someone in your department of this issue so that it may be addressed upon permit renewal if
necessary.
Please let me know if I should reach out to someone else in your department and if you have any questions.
Best regards,
Trent Butler, PE
Staff Engineer
City of Wilmington, Engineering Division
P. O. Box 1810 1212 Operations Center Dr.
Wilmington,NC 28412
910.341.0094 I Fax [phone].
[e-mail]
www.wilmingtonn.c.gov
WfD411GTON
Follow us on Facebook or Twitter
facebook/cityofwilmington.
a,citvofwilm
E-mail correspondence to and from this address is subject to the North Carolina Public Records Law and may be
disclosed to third parties.
1

C4f-;75il
ROY COOPER. `,067I "
Governor
MICHAEL S.RECAV ..
Sea.retary * `wv.'sa'n,x
BRIAN WRENN NORTH CAROLINA
nit,rtor Environmental Quality
Wilshire Landing Apartments,LLC
ATTN: Adam Sosne,Member Manager
700 Military Cutoff Road Suite 217
Wilmington,NC 28405
Subject: Notice of Inspection—Not Compliant
Wilshire Landing Apartments
State Stormwater Management Permit No.SW8 090110
New Hanover County
Dear Mr. Sosne:
Effective August 1,2013,the State Stormwater program was transferred from the Division of Water Quality
(DWQ)to the Division of Energy,Mineral and Land Resources(DEMLR). All previous references to DWQ will
remain in older stormwater permits issued prior to August 1, 2013 until they are modified. Please note that this
letter references DEMLR as the Division responsible for compliance with the permit.
On August 5,2009,the Governor signed Session Law 2009-406. This law impacted any development approval
issued by the former Division of Water Quality under Article 21 of Chapter 143 of the General Statutes,which
was current and valid at any point between January 1,2008,and December 31,2010.The law extended the
effective period of any stormwater permit that was set to expire during this time frame to three(3)years from its
current expiration date. On August 2,2010,the Governor signed Session Law 2010-177,which granted an extra
year for a total of four(4)years extension. Accordingly,the Division is herewith notifying you that the subject
permit is now effective from the date of issuance until December 30 2021,which includes all available
extensions.
On August 12,2020,the Wilmington Regional Office of the Division of Energy, Mineral and Land Resources
(DEMLR)inspected the subject project,located at 4017 Wilshire Boulevard in New Hanover.County to
determine the status of compliance with the State Stormwater Management Permit Number SW8 090110 issued
on January 30,2009. DEMLR file review and site inspection revealed that the site is not in compliance with the
terms and conditions of this permit. Please find a copy of the completed form entitled"Compliance Inspection
Report"attached to this letter,which summarizes the findings of the recent inspection.
As indicated in the attached inspection report,the following deficiencies must be resolved:
1. Permit Condition II.10:
a. The areas of permeable pavement have been sealed with asphalt sealer and are no longer
functioning in perpetuity as permitted.The permeable pavement areas must be restored to their
original design condition or the permit must be modified to document the changed condition and
demonstrate continued compliance with the stormwater rules.
b. The county GIS website shows that the property has been sold to new ownership.The permit
must be transferred to the new property owner.
Please be advised that,as the permittee,you are required to comply with the terms,conditions and limitations of
the Stormwater Management Permit under Title 15A North Carolina Administrative Code 2H.1003 and North
Carolina General Statute 143-214.7, including the operation and maintenance of the permitted stormwater system.
,fr,ort.h Carolina Department of Env r,. mental Quality I Dhesion;•f Energy,MLi:nerar ar.i!. nd Resources
D�„� thri[mington Regionai Off`tc. 1127 Ca:.thrtal Drive Extension _ Klm ngtor.:;North Caraiaia 28405
.1 ;tic: ♦i "�+e
ae. 'meat-Xs L!.�- 510794.7215

State Stormwater Permit No. SW8 090110
Page 2 of 2
Failure to provide the requested information,or to respond to this letter with a plan of action,including a timeline
to resolve the identified deficiencies,by October 21,2020, are considered violations of the permit. If the
requested information is not submitted to this office by the due date,then DEMLR staff will re-inspect the site
and may issue a Notice of Violation. Please also note that any individual or entity found to be in noncompliance
with the provisions of a stormwater management permit or the stormwater rules is subject to enforcement action
as set forth in NCGS 143 Article 21, including the assessment of civil penalties of up to $25,000 per day.
If you have any questions,please contact me at the Wilmington Regional Office,telephone number(910)-796-
7334 or via email at [e-mail].
Sincerely,
Ted Triantis
Engineer
Enclosure: Compliance Inspection Report
DES\tjt: \\\Stormwater\Permits&Projects\2009\090110 HD12020 09 CEI defcieiu 090110
cc: WiRO Stormwater Permit File

Compliance Inspection Report
Permit: SW8090110 Effective: 01/30/09 Expiration: 12/30/21
Project: Wilshire Landing Apartments
Owner: Wilshire Landing Apartments LLC
County: New Hanover Adress: 4017 Wilshire Blvd
Region: Wilmington
City/State/Zip:Wilmington NC 28403
Contact Person:Adam Sosne Title: member manager Phone:[phone]
Directions to Project:
N on S College Road turn left on Wilshire Blvd go apx 2000 feet site is on the right
Type of Project: State Stormwater HD Infiltration
Drain Areas: 1 -
On-Site Representative(s):
Related Permits:
Inspection Date: 08/12/2020 Entry Time 12:00PM Exit Time:12:30PM
Primary Inspector: Brian P Lambe Phone:
Secondary Inspector(s):
Ted Triantafillopoulos
Reason for Inspection: Routine Inspection Type: Compliance Evaluation
Permit Inspection Type: State Stormwater
Facility Status: ❑ Compliant Not Compliant
Question Areas:
State Stormwater
(See attachment summary)
page 1

Permit: SW8090110 Owner-Project: Wilshire Landing Apartments LLC
Inspection Date: 08/12/2020 Inspection Type Compliance Evaluation Reason for Visit: Routine
Inspection Summary:
The following deficiencies were noted during the inspection:
1. The areas for parking utilizing permeable pavement have been sealed with asphalt sealer and are no longer
functioning in perpetuity with the permit.
2. Property is under new ownership.
To bring this system into compliance, the following must be completed:
1. The areas for parking utilizing permeable pavement must be restored to their originally intended design to meet the
permit specifications.
2. Property must be transfered into the new owners name.
File Review Yes No NA NE
Is the permit active? NI 0 0 ❑
Signed copy of the Engineer's certification is in the file? ❑ • 0 0
Signed copy of the Operation&Maintenance Agreement is in the file? • 0 0 0
Copy of the recorded deed restrictions is in the file? 0 0 II 0
Comment: The Engineers certification is not found in the file.
Built Upon Area Yes No NA NE
Is the site BUA constructed as per the permit and approval plans? 0 • 0 0
Is the drainage area as per the permit and approved plans? • 0 0 ❑
Is the BUA(as permitted)graded such that the runoff drains to the system? • ❑ ❑ ❑
Comment: The Permeable Pavement for the parking areas have been sealed with asphalt.
SW Measures Yes No NA NE
Are the SW measures constructed as per the approved plans? • 0 0 0
Are the inlets located per the approved plans? • ❑ ❑ ❑
Are the outlet structures located per the approved plans? • 0 ❑ ❑
Comment:
Operation and Maintenance Yes No NA NE
Are the SW measures being maintained and operated as per the permit requirements? ❑ IN 0 0
Are the SW BMP inspection and maintenance records complete and available for review or provided to ❑ El ❑ •
DWQ upon request?
Comment: The sites Permeable Parking areas have been sealed with asphalt sealer.
Other Permit Conditions Yes No NA NE
Is the site compliant with other conditions of the permit? ❑ • ❑ 0
Comment: Permit needs to be transfered to reflect new owner.
page 2

Hall, Christine
From: Trent Butler <[e-mail]>
Sent: Friday,August 28,2020 3:51 PM
To: [e-mail]
Cc: Jim Quinn; Rob Gordon; Richard Christensen; Eric A. Seidel;Christopher Hatcher; Hall,
Christine
Subject: [External] Wilshire Landing
ie• ► attachments u`
Mr.Thacker,
We have discussed the Wilshire Landing pervious concrete issue with NCDEQ. If the owner chooses sand blasting and
vacuuming as the method of remediation,then a permeability test will also be required after completion.The sand
blasting and vacuuming may or may not restore the pervious concrete to an acceptable condition. Therefore, it may be
best to pursue the following options for remediation instead:
1. Contact the engineer of record to determine if the State stormwater permit can be revised to exclude the
pervious pavement entirely.This option may require adjustments to the infiltration basin in order to account for
the increase impervious area (pervious concrete spaces now sealed).
2. Remove and replace the pervious concrete entirely.
Please let me know if you have any questions.
Best regards,
Trent Butler, PE
Staff Engineer
City of Wilmington, Engineering Division
P. O. Box 1810 1212 Operations Center Dr.
Wilmington, NC 28402-1810
910.341.0094 ( Fax [phone]
[e-mail]
www.wilmingtonnc.gov
Wit)kfiNGID'N
Follow us on Facebook or Twitter
facebook/cityofwilmington
@cityofwilm
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be disclosed to third parties.
i

Triantafillopoulos, Ted
From: Hall, Christine
Sent: Thursday,July 23, 2020 1:55 PM
To: Triantafillopoulos,Ted; Lambe, Brian
Cc: Sams, Dan
Subject FW: [External] FW:Wrightsville Landing Apts, SW8 090110
Brian/Ted, Please see the compliant below that i received from the City. In looking at 090110, it was permitted as an
infiltration system with an area of permeable pavement.
Ted, please pull the file, prepare the inspection report sheet(including doing the file review portion),and pass it off to
Brian to inspect. Once Brian has had a chance to inspect it I would like you to complete the inspection report and draft
the notice of inspection. If you need help with any of this, please let me know.
**Please..r ate the change to~My direct phone number*"
Christine Hall
Wilmington Regional Stormwater Program Supervisor
Division of Energy, Mineral and Land Resources—State Stormwater Program
North Carolina Department of Environmental Quality
Office: 910 796 7215
Direct: 910 796 7339
Email: [e-mail]
Address: 127 Cardinal Drive Ext.
Wilmington, NC 28405
Ei c i;co•"•3.:j.oi;dence to arr-.d from t!?ia addre:3s IS surjegt}n':t;E'
_iroFri2 p:'"i c Records Law and may ye discgos!3d t tin''iiar!ies
From: Rob Gordon [mailto:[e-mail]
Sent:Thursday,July 23,2020 1:28 PM
To: Kathryn Thurston<[e-mail]>; Hall, Christine<[e-mail]>
Cc:Jim Quinn<[e-mail]>
Subject: [External] FW:Wrightsville Landing Apts
CAUTION: --
Kathryn—A routine inspection showed that Wrightsville Landing at 4017 Wilshire has paved over their pervious parking
spaces in back. The spaces were required to be pervious on the TRC approval (2009)—I believe because the project
exceeded their max parking. Because the State issued the water quality permit for this site, it is not enforceable by us
(in Eng or Stormwater). Don't know if this would be some sort of code enforcement violation.
Christine—The permit we have on file(SW8 090110)does assume credit for the pervious, but it was issued in 09,so
perhaps they permitted the change since then. If not,you might want to inspect. Thanks.
Robert Gordon, PE
Plan Review Engineer
City of Wilmingon!_ngineering
1

4 0
[phone]
From:Jim Quinn<[e-mail]>
Sent:Thursday,July 23, 2020 12:35 PM
To: Rob Gordon<[e-mail]>
Subject: FW:
You can make of the delineation between what was pervious.
•
•
1
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Sent from my iPhone
E-mail correspondence to and from this address is subject to the North Carolina Public Records Law and may
be disclosed to third parties.
3

DIVISION OF WATER QUALITY
INFILTRATION SYSTEM INVESTIGATION
Complete and email this form to Vincent Lewis@ncmaiLnet. If there are more than 7 areas to be tested,
attach a second sheet.
State Soil Scientist Confirmation Visit date/time:7-18-08 //7/0 i g' Fib
Project Name: Wilshire Landing Apartments
Street Address: 401 Wilshire Blvd
Directions from the nearest intersection of two major roads: Intersection on College
and Oleander, head North on College left on Wilshire, approx 1,500'on right
>1 acre being disturbed? ®YES ONO CAMA Major required? OYES NO
Consultant Name: Brian Campbell Phone: [phone]
Consultant Firm Name: Withers & Ravenel
Bore Number 2
a) Existing Ground Elevation 39.5
b)Proposed Bottom Elevation 37.5
c) Difference (a minus b) 2
d)Add 2 ft. (Min. Bore Depth) 4
e) Hardpan Depth?
f) Approx. Elev. Of SHWT 35.5
g) Max. lowest bottom elev. 37.5
h) Infiltration Rate OK? *
_ i) Confirmation of SHWT*
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 b • .1t N J 3 9 - Co Anti C/7k 4_ ,
* %hot I*jj ? ddd s s /) L .f• If w 11 6
Required Attachments: ' h "as la is I'finf 1.1 1
•
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
basin/trench must be marked and flagged. If these areas are not flagged, the Soils Scientist
reserves the right to decline 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 appropriate professional. The Soils Scientist will only
verify 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.
S:\WQS\STORMWATER\FORMS\infiltration site visit Revised 3/08

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YELP ECS CAROLINAS)LLP
CAROLINAS Geotechnical` Construction Materials P Environmental Facilities
July 18,2008
Mr.Adam Sosne
NC Seal,LLC
700 Military Cutoff Road,Suite 217
Wilmington,North Carolina 28405
Re: Infiltration Evaluation
4017 Wilshire Boulevard
Wilmington,North Carolina
ECS Project No.22.14265
Dear Mr.Sosne,
ECS Carolinas, LLP (ECS) recently conducted an infiltration evaluation for the proposed
infiltration areas at the site located at 4017 Wilshire Boulevard in Wilmington,North Carolina.
This letter,with attachments,is the report of our evaluation.
Field Testing
On July 17, 2008 ECS conducted an exploration of the subsurface soil conditions at two
• requested locations shown on the attached Site Diagram. The test areas were located in the field
utiiliAng a boring location map provided by Withers & Ravenel. The purpose of this
exploration was to obtain subsurface information of the suitability of the in-place soils for the
proposed infiltration area. We explored the subsurface soil conditions by advancing one hand
auger boring into the existing ground surface at the two requested boring locations. We visually
classified the subsurface soils and obtained representative samples of each soil type
encomtered. We also recorded the seasonal high water level(SHWL) observed at the time of
each hand auger boring The : ® v, Infltration.Evaluation Form provides a summary of the
subsurface conditions encountered at each hand auger boring location.
The SHWL was estimated at each boring location below the existing grade elevation. Below is
a summary of each boxing location.
Location SHWL
1 36 inches
2 48 inches
We have conducted two infiltration tests utilizing a compact constant head permeameter near
hand auger borings to estimate the infiltration rate for the subsurface soils. The infiltration tests
are typically conducted at two feat above the SHWL.
7211 Ogden Business Park-Suite 201 'Wilmington,NC 28411 [phone] Fax[phone]'www.ecslimited.com
Asheville.NC•Charlotte,NC•Greensboro,NC•Greenville,SC•Raleigh,NC•Swansboro.NC*•Wilmington,NC
*testing services only

Infiltration Evaluation
4017 Wilshire Boulevard
Wilmington,North Carolina
ECS Project No.22.14265
Field Test Results
Below is a summary of the infiltration test results:
Location Description Depth Inches/hour Inches/minu__te
1 Grey fine SAND 12 inches 4.0 0.06
w/silt
2 Grey fine SAND 24 inches 9.3 0.15
Infiltration rates and SHWL may vary within the proposed site due to changes in elevation and
subsurface conditions.
If you have any questions regarding this report,please contact us at(910)686-9114.
Respectfully,
ECS CAROLINAS,LLP
,Q
{
K.Brooks Wall Walid M. Sobh,P.E.
Staff Geologist Principal Engineer
NC License No.22983
CC:Garay Pape,PE-Witha8&Ravenel
Attachments: Site Diagram
Infiltration Evaluation

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e. TEST LOCATIONS
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4017 Wilshire Blvd.
Wilmington,NCWI--H, ECS Project No.22-14265
LLU July 17, nos
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CAROLINAS

Infiltration Evaluation
4017 Wilshire Boulevard
Wilmington, North Carolina
ECS Project No. 22.14265
July 17, 2008
Location Depth Soil Description
1 0-18" Grey fine SAND w/silt
18"-22" Brown fine silty SAND (possible pan)
22"-50" Tan fine SAND
Seasonal High Water Table was estimated to be at 36 inches below the existing
grade elevation.
Infiltration Rate: 0.06 inches per minute(4.0 inches per hour)
Test was conducted at 12 inches below existing grade elevation
Location Depth Soil Description
2 0-24" Grey fine SAND
24"-32" Brown fine silty SAND (possible pan)
32"-50" Tan clayey SAND
Seasonal High Water Table was estimated to be at 48 inches below the existing
grade elevation.
Infiltration Rate: 0.15 inches per minute(9.3 inches per hour)
Test was conducted at 24 inches below existing grade elevation