SW8980915_HISTORICAL FILE_19990305

STORMWATER DIVISION CODING SHEET
POST-CONSTRUCTION PERMITS
PERMIT NO. SW8g1
DOC TYPE ❑ CURRENT PERMIT
❑ APPROVED PLANS
L� HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE 0 , D'c",
YYYYMMDD

State of North Carolina
liepdrtment of Environment
'and Natural Resources ®�
Wilmington Regional Office //'
James B. Hunt, Jr., Governor V1' N C D EN R
ayne McDevitt, Secretary
Division of Water Quality NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
March 5, 1999
Mr. .leffrey Zimmer, Manager/Member
Z-1 Properties, LLC
PO Boa 2628
Wilnlington,NC 28401
Subject: Permit No. SW8 980915
CVS Pharmacy, Shipyard Boulevard
High Density Stormwater Project
New Hanover County
Dear Mr. Zimmer:
The Wilmington Regional Office received the Stormwater Management Permit Application for CVS Pharmacy, Shipyard
Boulevard on September 17, 1998, with final information on March 5, 1999. Staff review of the plans and specifications has
determined that the project,as proposed, will comply with the Stormwater Regulations set forth in Title 15A NCAC 2H.1000.
We are forwarding Permit No. SW8 980915 dated March 5, 1999, for the construction of CVS Pharmacy, Shipyard
Boulevard.
This permit shall be effective from the date of issuance until March 5, 2009, and shall be subject to the conditions and
limitations as specified therein. Please pay special attention to the Operation and Maintenance requirements in this permit.
Failure to establish an adequate system for operation and maintenance of the Stormwater management system will result in
future compliance problems.
If any parts, requirements, or limitations contained in this permit are unacceptable, you have the right to request an
adjudicatory hearing upon written request within thirty (30)days following receipt of this permit. This request must be in
the form of a written petition, conforming to Chapter 150B of the North Carolina General Statutes, and filed with the Office
of Administrative Hearings, P.O. Drawer 27447, Raleigh,NC 27611-7447. Unless such demands are made this permit shall
be final and binding.
If you have any questions,or need additional information concerning this matter, please contact Linda Lewis, or me at(910)
395-3900.
Sincerely,
Cal t_ �A
Rick Shiver
Water Quality Regional Supervisor
RSS/arl: S:\WQS\STORMWAT\PERMIT\980915.MAR
cc: Phil Tripp, P.E.
Tony Roberts,New Hanover County Inspections
Herb Fox, P.E., City of Wilmington
Beth Easley, New Hanover County Engineering
Linda Lewis
Wilmington Regional Office
Central Files
127 Cardinal Dr. Est.,Wilmington,North Carolina 28405 Telephone [phone] FAX [phone]
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State Stonnwater Management Systems
Permit No. SW8 980915
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
STATE STORMWATER MANAGEMENT PERMIT
HIGH DENSITY DEVELOPMENT
]it accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as amended, and other
applicable Laws, Rules,.and Regulations
PERMISSION IS HEREBY GRANTED TO
Z-I Properties, LLC
CVSPharmacy, Shipyard Boulevard
Neu,Hanover County
FOR THE
construction, operation and maintenance of 2 underground infiltration trenches in compliance with the provisions of 15A
NCAC 2H .1000 (hereafter referred to as the "stormwater rules') and the approved stormwater management plans and
specifications and other supporting data as attached and on file with and approved by the Division of Water Quality and
considered a part of this permit.
This permit shall be effective from the date of issuance until March 5, 2009 and shall be subject to the following specified
conditions and limitations:
I. DESIGN STANDARDS
1. This permit is effective only with respect to the nature and volume of stormwater described in the application and
other supporting data.
2. This stormwater system has been approved for the management of stormwater runoff as described on page 3 of this
permit,the Project Data Sheet. The stormwater control has been designed to handle the runoff from 54,960 square
feet of impervious area.
3. Approved plans and specifications for this project are incorporated by reference and are enforceable parts of the
permit.
4. The tract will be limited to the amount of built-upon area indicated on page 3 of this permit, and per approved plans.
2

State Stormwater Management Systems
Permit No. SN18 980915
DIVISION OF WATER QUALITY
PROJECT DESIGN DATA SHEET
Project Name: CVS Pharmacy, Shipyard Boulevard
Permit Number. SW8 980915
Location: New Hanover County
Applicant: Mr. Jeffrey Zimmer, Manager/Member
Mailing Address: Z-1 Properties, LLC
PO Box 2628
Wilmington,NC 28401
Application Date: September 17, 1998
Water Body Receiving Stormwater Runoff: Cape Fear River(CFR 18-71)
Classification of Water Body: "SC"
If Class SA, chloride sampling results: n/a
TRENCH 1 TRENCH 2
Trench Dimensions, LxWxH, feet: 1525' x 24' x 3.5' 165' x 26' x 3.5'
Bottom Elevation, FMSL: 43 43
Total Impervious Surfaces, ft': 27,480 27,480
Offsite Area entering Pond, ft': None, per Engineer
Required Storage Volume, W: 2,357 2,357
Provided Storage Volume, ft': 5,551 5,544
Temporary Storage Elevation, FMSL: 46.5 46.5
Type of Soil: Sand
Expected Infiltration Rate: 18.4 inches per hour
Seasonal Hi;h Water Table Elevation: 41 FMSL
Time to Drawdown, hours: 2.3 2.3
3

State Stormwater Management Systems
Permit No. SW8 980915
II. SCHEDULE OF COMPLIANCE
1. The stormwater management system shall be constructed in it's entirety, vegetated and operational for its intended
use prior to the construction of any built-upon surface except roads.
2. During construction, erosion shall be kept to a minimum and any eroded areas of the system will be repaired
immediately.
3. The permittee shall at all times provide the operation and maintenance necessary to assure the permitted stormwater
system functions at optimum efficiency. The approved Operation and Maintenance Plan must be followed in its
entirety and maintenance must occur at the scheduled intervals including, but not limited to:
a. Semiannual scheduled inspections (every 6 months).
b. Sediment removal in the trench, catch basins, and piping.
C. Mowing and revegetation of grassed areas on the site.
d. Immediate repair of eroded areas around the site.
e. Maintenance of trench integrity in accordance with approved plans and specifications. Asphalt removal will
be required to correct any drawdown or clogging problems.
f. Debris removal and unclogging of trench, bypass structures, catch basins and piping.
g. Access to the bypass structures must be available at all times.
4 Records of maintenance activities must be kept and made available upon request to authorized personnel of DWQ.
The records will indicate the date, activity, name of person performing the work and what actions were taken.
5. The facilities shall be constructed as shown on the approved plans. This permit shall become voidable unless the
facilities are constructed in accordance with the conditions of this permit,the approved plans and specifications, and
other supporting data.
6. Upon completion of construction, prior to issuance of a Certificate of Occupancy, and prior to operation of this
permitted facility, a certification must be received from an appropriate designer for the system installed certifying
that the permitted facility has been installed in accordance with this permit, the approved plans and specifications,
and other supporting documentation. Any deviations from the approved plans and specifications must be noted on
the Certification.
7. A copy of the approved plans and specifications shall be maintained on file by the Permittee for a minimum of ten
years from the date of the completion of construction.
8. Prior to the sale of any portion of the property,an access/maintenance easement to the stormwater facilities shall be
granted in favor of the permittee if access to the stormwater facilities will be restricted by the sale of any portion of
the property.
9. The permittee is responsible for verifying that the proposed built-upon area does not exceed the allowable built-upon
area.
10. The runoff from all built-upon area on the project must be directed into the permitted stormwater control system.
11. If the stormwater system was used as an Erosion Control device, it must be restored to design condition prior to
operation as a stormwater treatment device, and prior to occupancy of the facility.
4

State Stormwater Management Systems
Permit No. SW8 980915
12. The following items will require a modification to the permit:
a. Any revision to the approved plans, regardless of size.
b. Project name change.
C. Transfer of ownership.
d. Redesign or addition to the approved amount of built-upon area.
e. Further subdivision of the project area.
f. Filling in, altering, or piping of any vegetative conveyance shown on the approved plan.
13. The Director may determine that other revisions to the project should require a modification to the permit.
14. The Director may notify the permittee when the permitted site does not meet one or more of the minimum
requirements ofthe permit. Within the time frame specified in the notice, the permittee shall submit a written time
schedule to the Director for modifying the site to meet minimum requirements. The permittee shall provide copies
of revised plans and certification in writing to the Director that the changes have been made.
III. GENERAL CONDITIONS
1. This permit is not transferable. In the event there is a desire for the facilities to change ownership, or there is a name
change of the Permittee, a formal permit request must be submitted to the Division of Water Quality accompanied
by an application fee,documentation from the parties involved,and other supporting materials as may be appropriate.
The approval of this request will be considered on its merits and may or may not be approved.
2. Failure to abide by the conditions and limitations contained in this permit may subject the Permittee to enforcement
action by the Division of Water Quality, in accordance with North Carolina General Statute 143-215.6A to 143-
215.6C.
3. The issuance of this permit does not preclude the Permittee from complying with any and all statutes, rules,
regulations,or ordinances which may be imposed by other government agencies(local,state,and federal)which have
jurisdiction.
4. In the event that the facilities fail to perform satisfactorily, including the creation of nuisance conditions, the
Permittee shall take immediate corrective action, including those as may be required by this Division, such as the
construction of additional or replacement stormwater management systems.
5. The permittee grants DENR Staff permission to enter the property for the purpose of inspecting all components of
the permitted stormwater management facility.
6. The permit may be modified, revoked and reissued or terminated for cause. The filing of a request for a permit
modification, revocation and reissuance or termination does not stay any permit condition.
Permit issued this the 5th day of March, 1999.
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
�-C
A. Preston Howard; Jr., P.E.,Director
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number SW8 980915
5

State Stormwater Management Systems
Permit No. SW8 980915
CVS Pharmacy, Shipyard Boulevard
Stormwater Perm it No. S W 8 980915
New Hanover County
Engineer's Certification
1, as a duly registered Professional Engineer in the State of North Carolina,
having been authorized to observe (periodically/weekly/full time) the construction of the project,
(Project)
for (Project Owner) hereby state that, to the best of my abilities, due care and
diligence was used in the observation of the project construction such that the construction was observed to be built within
substantial compliance and intent of the approved plans and specifications.
Noted deviations from approved plans and specification:
SEAL
Signature
Registration Number
Date
6

i; .tqDate Received Fee Paid Permit Number
/7- I sW s-
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
This form may be photocopied for use as an original
I. GENERAL INFORMATION
1. Applicants name (specify the name of the corporation, individual, etc. who owns the project):
Z-1 Properties. L.L.C.
2. Print Owner/Signing Official's name and title (the person who is legally responsible for the facility and
its compliance):
Jeffrev Zimmer
3. Mailing Address for person listed in item 2 above:
P.O. Box 2628
City: Wilmington State: NC Zip: 28401
Telephone Number: [phone]
4. Project Name (subdivision, facility, or establishment name— should be consistent with project name on
plans, specifications. letters, operation and maintenance agreements. etc.):
CVS Pharmacv Shipvard Boulevard
5. Location of Facility (street address):
2607 Carolina Beach Road
City: Wilmington County: New Hanover
6. Directions to facility (from nearest major intersection):
approx �0 If East from the intersection of US Htw 421 and SR 1 101
7. Latitude : 77056'05" Longitude: 34011'55" of facility
8. Contact person who can answer questions about the facility:
Name: Tripp Engineering. P.0 Telephone Number: (910) 763-5 100
II. PERMIT INFORMATION:
1. Specify whether project is (check one): X_New Renewal Modification
2. If this application is being submitted as the result of a renewal or modification to an existing permit. list
The existing permit number and its issue date (if known)
Form SWU-101 January 1998 Page 1 of 4

3. Specify the type of project (check one):
Low Density X High Density Redevelop General Permit Other
4. Additional Project Requirements (check applicable blanks):
CAMA Major X_Sedimentation/Erosion Control 404 Permit
III. PROJECT INFORMATION
1. In the space provided below, summarize how stormwater will be treated. Also attach a detailed
narrative (one to two pages) describing stormwater management for the project.
Infiltration system
2. Stormwater runoff from this project drains to the Cane Fear River basin.
3. Total Project Area: 1.41 acres 4. Project Built Upon Area: 89.5_%.
5. How many drainage basins does the project have? 2
6. Complete the following information for each drainage basin. If there are more than two drainage basins
in the project, attach an additional sheet with the information for each basin provided in the same format
as below.
Basut)Irt£erlmattonr aA I7-ageBa51II-0I �� �Falria eBaSti32?
Receiving Stream Name Cape Fear Cape Fear
Receiving Stream Class
Drainage Basin Area .705 acres .705 acres
Existing Impervious * Area To Be Removed To Be Removed
Proposed Impervious * Area .63 acres .63 acres
% Impervious* Area (total) 89.5 89.5
,,,rvr v
ous�*3wfaceArea4 D eiBasm41l 3
r ....., :o,Diainae Basm 2�'
Im
On-site Buildings 5,062.5 sf 5.062.5 sf.
On-site Streets N/A N/A
On-site Sidewalks 822.5 sf 822 sf.
On-site Parking 21,595 sf 21,595 sf.
Other on-site N/A N/A
Off-site N/A N/A
Total: E=27,480 sf E=27,480 sf.
*Impervious area is defined as the built upon area including, but not limited to, buildings, roads, parking
areas sidewalks, gravel areas, etc.
7. How was the off-site impervious area listed above derived? N/A
IV. DEED RESTRICTIONS AND PROTECTIVE COVENANTS
Deed restrictions and protective covenants are required to be recorded for all low density projects and all
subdivisions prior to the sale of any lot. Please see Attachment A for the specific items that must be recorded.
Form SWU-101 January 1998 Page 2 of 4

By your signature below, you certify that the recorded deed restrictions and protective covenants for this project
shall include all the items required by the permit, that the covenants will be binding on all parties and persons
claiming under them,that they will run with the land,that the required covenants cannot be changed or deleted
without concurrence from the State, and that they will be recorded prior to the sale of any lot.
V. AGENT AUTHORIZATION
If you wish to designate submittal authority to another individual or firm so that they may provide information
on your behalf, please complete this section:
Designated agent(individual or firm): Tripp Engineering, P.C.
Mailing Address: 507 Chestnut Street
City: Wilmington State: NC Zip: 28401
Phone: [phone] Fax: [phone]
VIL SUBMITTAL REQUIREMENTS
This application package will not be accepted by the Division of Water Quality unless all of the applicable
items are included with the submittal.
1. Please indicate that you have provided the following required information by signing your initials in the.
space provided next to each item.
App 'cant's Initials
• Original and one copy of the Stormwater Management Permit Application Form
• One copy of the applicable Supplement Form(s) for each BMP (see Attachment A)
• Permit application processing fee (see Attachment A)
• Detailed narrative description of stormwater treatment/management
• Two copies of plans and specifications, including:
- Development/Project name
- Engineer and firm
- Legend
- North arrow
- Scale
Revision number and date
- Mean high water line
- Dimensioned property/project boundary
- Location map with named streets or NCSR numbers
- Original contours,proposed contours,spot elevations
- Details of roads,parking, cul-de-sacs, sidewalks,and curb and gutter
- Wetlands delineated, or a note on plans that none exist
- Existing drainage(including off-site), drainage easements,pipe sizes, runoff calculations
- Drainage basins delineated
- Vegetated buffers(where required)
VI. APPLICANT'S CERTIFICATION
I, (print or type name ofperson listed in General Information, item 2) Jeffrey Zimmer certify that
the information included on this permit application form is correct,that the project will be constructed in
conformance with the approved plans,that the deed restrictions in accordance with Attachment A of this form
will be recorded with all required permit conditions, and that to the best of my knowledge, the proposed project
complies with the requirements of 15A NCAC 2H .1000. q 6
Signature: 1 'Date: -I /-
Title: ManagIVACrIt
Form SWU-101 January 1998 Page 3 of 4

ATTACHMENT A
1. Deed Restriction Language
The following statement must be recorded for all low density projects and for all projects that involve the
subdivision and selling of lots or outparcels:
1. No more than_NIA_square feet of any lot, including that portion of the right-of-way between the
edge of pavement and the front lot line, shall be covered by impervious structures including asphalt,
gravel, concrete, brick, stone, slate or similar material but not including wood decking or the
surface ofswimming pools. This covenant is intended to insure continued compliance with the
stormwater permit issued by the State of North Carolina. The covenant may not be changed or
deleted without the consent of the State.
2. No one may fill in,pipe, or alter any roadside Swale except as necessary to provide a minimum
driveway crossing.
NOTE: If lot sizes vary significantly, the owner/developer must provide an attachment listing each lot
number, size and the allowable built upon area for each lot.
For commercial projects that have outparcels or future development,the following statements must also be
recorded:
3. The connection from the outparcel or future area into the stormwater.system must be made into the
forebay such that short-circuiting of the system does not occur.
4. All built-upon area from the outparcel or future development must he directed into the permitted
stormwater control.system.
5. Built-upon area in excess of the permitted amount will require a permit modification prior to
construction.
For curb outlet systems, the following statement in addition to items l and 2 above must be recorded:
6. No one may pipe,fill in or alter any designated 100 foot long grassed swale used to meet the
requirements ofNCAC 2H.1008(g).
2. Supplement Forms
The applicable supplement form(s) listed below must be submitted for each BMP specified for this project:
Form SWU-102 Wet Detention Basin Supplement
Form SWU-103 Infiltration Basin Supplement
Form SWU-104 Low Density Supplement
Form SWU-105 Curb Outlet System Supplement
Form SWU-106 Off-Site System Supplement
Form SWU-107 Underground Infiltration Trench Supplement
Form SWU-108 Neuse River Basin Nutrient Management Strategy Supplement
3. Permit Application Fees (check made payable to NCDENR and submitted to the appropriate
Regional Office)
Type of Permit New, Modification, or Timely Renewal Without
Late Renewal Modification
Low Density $225 n/a
High Density $385 $225
Other $225 n/a
Director's Certification $350 n/a
General Permit $ 50 n/a
Form SWU-101 January 1998 Page 4 of 4

Permit No. SGU$Q$C)q1 S
(to be provided by DWQ)
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
UNDERGROUND INFILTRATION TRENCH SUPPLEMENT
This form may be photocopied for use as an original
DWQ Stormwater Management Plan Review:
A complete stormwater management plan submittal includes a stormwater management permit application, an
underground infiltration trench supplement for each system, design calculations, plans and specifications showing
all stormwater conveyances and system details, and a signed and notarized operation and maintenance agreement.
I. PROJECT INFORMATION (please complete the following information):
Project Name: _CVS ShiQvard Blvd.
Contact Person: _Phillip G. Tripp, P.E. Phone Number: 910 763-5100
For projects with multiple infiltration systems, a supplement form must be completed for each system.
This worksheet applies to: Trench IV I in Drainage Basin 1
(from plans) pa-fGr S-5-9ct (from Form SWU-10/)
H. DESIGN INFORMATION (please complete the following information and attach supporting
calculations/documentation):
Soils Report Summary (based upon an actual field investigation andsod borings)
\I
Soil Type YigtA ft 0 fA�
Infiltration Rate 1 S A I n/ or cf/hr/sf (circle appropriate units)
SHWT Elevation fmsl (Seasonal High Water Table elevation)
Trench Design Parameters �rI
Design Volume c.f. (l.S inch event for SA waters, I inch event for others)
Design Storm 1 inch event
Drawdown Time 2 .3 WR13 days g „
Perforated Pipe Size 1Z inch diameter
Perforated Pipe Length 1136 ft. l Z
No. Observation Wells ;_7 wells
Fill Material (if used) rj14,n c.y. of 57 stone
Trench Elevations (in feet mean sea level)
Bottom Elevation frisl Overflow Elevation �(o•r7 fmsl
Storage Elevation frisl
Trench Dimensions
Height 3• 5 ft. Length 1 Cj2 ft.
Width Z(7 ft. Volume Provided cu.ft.'Jt'
SWU-107 August.1998 Page 1 of µ) -406Io 461y6

HI. . REQUIRED ITEMS CHECKLIST
The following checklist outlines design requirements per the Stormwater Best Management Practices manual (N.C.
Department of Environment, Health and Natural Resources, November 1995) and Administrative Code Section: 15
A NCAC 2H .1008.
Initial in the space provided to indicate the following design requirements have been met and supporting
documentation is attached. If the applicant has designated an agent in the Stormwater Management Permit
Application Form, the agent may initial below. If a requirement has not been met, attach justification.
Applicants Initials
a. System is located 50 feet from class SA waters and 30 feet from other surface waters.
b. System is located at least 100 feet from water supply wells.
_ c. Bottom of system is at least 2 feet above the seasonal high water table (SHWT).
_ d. Bottom of system is 3 feet above any bedrock or impervious soil horizon.
Ole e. Off-line system, runoff is excess of the design volume bypasses the system (bypass detail
provided).
f System is designed to draw down the design storage volume to the proposed bottom
elevation under seasonal high water conditions within five days based upon infiltration
through the bottom only (a hydrogeologic evaluation may be required).
g. Soils have a minimum hydraulic conductivity of 0.52 inches per hour and soils report is
//►►TTrtI attached.
h. System is not sites on or in fill material or DWQ approval has been obtained.
i. Plans ensure that the installed system sill meet design specifications (constructed or
restored) upon initial operation once the project is complete and the entire drainage area is
stabilized.
_ j. System is sized to take into account the runoff at the ultimate built-out potential from all
surfaces draining to the system, including any off site drainage.
k. System is located in a recorded drainage easement for the purposes of operation and
maintenance and has recorded access easements to the nearest public right-of-way.
1. System captures and infiltrates the runoff from the first 1.0 inch of rainfall (1.5 inch event
for areas draining to SA waters).
m. Drainage area for the device is less than 5 acres.
1q n. A pretreatment device ( filter strip, grassed swale, sediment trap, etc.) is provided.
o. Trench bottom is covered with a layer of clean sand to an average depth of 4 inches.
P. Sides of infiltration trench are lined with geotextile fabric.
�C q. Rock used is free of fines (washed stone) and has large void ratio.
r. Side to bottom ratio is less than 4:1.
C—Ly __ s. Observation well (s) are provided (case-by-case basis).
I�( t . Vegetated filter is provided for overflow (50 feet for SA waters, 30 feet for other waters)
and detail is shown on plans.
SWU-107 August 1998 Page 2 of 3

'IV. .'UNDERGROUND INFELTRATION TRENCH OPERATION AND MAINTENANCE AGREEMENT
µ 1. After every runoff producing rainfall event and at least monthly, inspect the infiltration system for erosion,
trash accumulation, grass cover, and general condition.
2. Repair eroded areas immediately, re-seed as necessary to maintain adequate vegetative cover, mow vegetative
cover to maintain a maximum height of six inches, and remove trash as needed.
3. After every runoff producing rainfall event and at least monthly, inspect the bypass/overflow structure for
blockage and deterioration. Remove blockage and repair structure to originally approved design specifications.
4. Remove accumulated sediment annually or when depth is reduced to 75% of the original design depth. Restore
depth to original design depth without over-excavating. Over excavating may cause the required water table
separation to be reduced and may compromise the ability of the system tp perform as designed.
4. I£DWQ determines that the system is failing, the system will immediately be repaired or replaced to original
design specifications. If the system cannot be repaired to perform its design function, other stormwater control
devices as allowed by NCAC 2H .1000 must be designed, approved and constructed.
I acknowledge and agree by my signature below that I am responsible for the performance of the above
maintenance procedures. I agree to notify DWQ of any problems with the system or changes in the name of the
project, responsible party, or address.
Print name: Z-1 Commercial Properties,L.L.C.
Address: P.O. Box 2628, Wilmington, NC 28401
Phone: [phone]
Title: fie�trpy ZiWmer, Member/Manager
Signature:
Date: W/ 2 1 8 A f
1, Cin da ( 140 on a Notary Public for the State of ,y c,
County of PYyoder do hereby certify that Jed-Frev L.—Zimmer
personally appeared before me this l 1 day of I citember , 19 qR and acknowledge the
due execution of the forgoing infiltration system maintenance requirements. Witness my hand and official seal,
—., CT
t�' UL�ZfY1 SEAL`T 3i�®,A
'(�f;Y pcOgq
My commission expires O 4v
ry , % �f
hly cm,(1*12sian Cxi>ires Oct V,2001 7A q T
000
SWU-107 August 1998 Page 3 of 3

Permit No. ._I,tl y cll( S
(to be provided by DWQJ
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
UNDERGROUND INFILTRATION TRENCH SUPPLEMENT
This form may be photocopied for use as an original
DWO Stormwater Management Plan Review:
A complete stormwater management plan submittal includes a stormwater management permit application, an
underground infiltration trench supplement for each system, design calculations, plans and specifications showing
all stormwater conveyances and system details, and a signed and notarized operation and maintenance agreement.
I. PROJECT INFORMATION (please complete the following information):
Project Name: _CVS Shipyard Blvd.
Contact Person: _Phillip G. Tripp, P.E. Phone Number: 910 763-5100
For projects with multiple infiltration systems, a supplement form must be completed for each system.
This worksheet applies to: Trench / 2 in Drainage Basin I
(from plans) pa-FG-T 3-5-qq (from Form SWU-101)
H. DESIGN INFORMATION (please complete the following information and attach supporting
calculations/documentation):
Soils Report Summary (based upon an actual field investigation and soil borings)
Soil Type A gtto yJ 6 D
Infiltration Rate t.i m/hr or cf/hr/s£ (circle appropriate units)
SHWT Elevation 6.0 fmsl (Seasonal High Water Table elevation)
Trench Design Parameters
Design Volume c.f (LS inch event for SA waters, I inch eventfor others)
Design Storm inch event
Drawdown Time Z, 73 R95 days
Perforated Pipe Size 1 Z inch diameter n4 d iadvwaAv�y
Perforated Pipe Length Z46 ft. 1714 -Ft.
No. Observation Wells 2 wells
Fill Material (if used) 513. 3 C.Y. of tt stone
Trench Elevations (in feet mean sea levee
Bottom Elevation 4�'0 frisl Overflow Elevation `}{a 5 fmsl
Storage Elevation !q(0. 5 frisl
Trench Dimensions
Height 3, 5 ft. Length ft.
Width 211 ft. Volume Provided /�,�/ cu.ft.
SWU-107 August 1998 Page I of 'K N550A E r�.""10 vo I-D5

LTI. REQUIRED ITEMS CHECKLIST
The following checklist outlines design requirements per the Stormwater Best Management Practices manual (N.C.
Department of Environment, Health and Natural Resources, November 1995) and Administrative Code Section: 15
A NCAC 2H .1008.
Initial in the space provided to indicate the following design requirements have been met and supporting
documentation is attached. If the applicant has designated an agent in the Stormwater Management Permit
Application Form, the agent may initial below. If a requirement has not been met, attach justification.
Applicants Initials
Ca a. System is located 50 feet from class SA waters and 30 feet from other surface waters.
CV, b. System is located at least 100 feet from water supply wells.
(t c. Bottom of system is at least 2 feet above the seasonal high water table (SHWT).
d. Bottom of system is 3 feet above any bedrock or impervious soil horizon.
e. Off-line system, runoff is excess of the design volume bypasses the system (bypass detail
provided).
Gl f. System is designed to draw down the design storage volume to the proposed bottom
elevation under seasonal high water conditions within five days based upon infiltration
through the bottom only (a hydrogeologic evaluation may be required).
�(? g. Soils have a minimum hydraulic conductivity of 0.52 inches per hour and soils report is
attached.
h. System is not sites on or in fill material or DWQ approval has been obtained.
i. Plans ensure that the installed system sill meet design specifications (constructed or
restored) upon initial operation once the project is complete and the entire drainage area is
stabilized.
C�C j. System is sized to take into account the runoff at the ultimate built-out potential from all
surfaces draining to the system, including any off-site drainage.
k. System is located in a recorded drainage easement for the purposes of operation and
maintenance and has recorded access easements to the nearest public right-of-way.
1. System captures and infiltrates the runoff from the first 1.0 inch of rainfall (1.5 inch event
for areas draining to SA waters).
in. Drainage area for the device is less than 5 acres.
n. A pretreatment device ( filter strip, grassed swale, sediment trap, etc.) is provided.
0 1A o. Trench bottom is covered with a layer of clean sand to an average depth of 4 inches.
p. Sides of infiltration trench are lined with geotextile fabric.
q. Rock used is free of fines (washed stone) and has large void ratio.
r. Side to bottom ratio is less than 4:1.
s. Observation well (s) are provided (case-by-case basis).
t . Vegetated filter is provided for overflow (50 feet for SA waters, 30 feet for other waters)
and detail is shown on plans.
SWU-107 August 1998 Page 2 of 3

•IV. ' UNDERGROUND INFILTRATION TRENCH OPERATION AND MAINTENANCE AGREEMENT
. r
1. After every runoff producing rainfall event and at least monthly, inspect the infiltration system for erosion,
trash accumulation, grass cover, and general condition.
2. Repair eroded areas immediately, re-seed as necessary to maintain adequate vegetative cover, mow vegetative
cover to maintain a maximum height of six inches, and remove trash as needed.
3. After every runoff producing rainfall event and at least monthly, inspect the bypass/overflow structure for
blockage and deterioration. Remove blockage and repair structure to originally approved design specifications.
4. Remove accumulated sediment annually or when depth is reduced to 75% of the original design depth. Restore
depth to original design depth without over-excavating. Over excavating may cause the required water table
separation to be reduced and may compromise the ability of the system tp perform as designed.
4. If DWQ determines that the system is failing, the system will immediately be repaired or replaced to original
design specifications. If the system cannot be repaired to perform its design function, other stormwater control
devices as allowed by NCAC 2H .1000 must be designed, approved and constructed.
I acknowledge and agree by my signature below that I am responsible for the performance of the above
maintenance procedures. I agree to notify DWQ of any problems with the system or changes in the name of the
project, responsible party, or address.
Print name: Z-1 Commercial Properties.L.L.C.
Address: P.O. Box 2628, Wilmington, NC 28401
Phone: 9 76 69
Title: e � mer a na er
Signature:
Date: o ember 12 98
I, Qn JQ T R rn-�-oti, a Notary Public for the State of (�/C
County of Pe n d t r- do hereby certify that Te{'-Cr e.�( r
personally appeared before me this 1�day of A(ffembtr', 19 Q$ and acknowledge the
due execution of the forgoing infiltration system maintenance requirements. Witness my hand and official seal,
My commission expires ?'',C`' ,�
IryCc;rmlevlorCxplm3
It I
''�aFCL COLS'
i
SWU-107 August 1998 Page 3 of 3

0
TMPP ENGINEERING, P.C.
419 Chestnut Street Wilmington, North Carolina 23401 RECEIVED
910/763-5100 Fox 910/763-5631 MAR 0 5 1999
LETTER OF TRANSMITTAL
o BY:
Job No
To: /l�L',�, b/�11712 Date: 6n3,',�a Sp-�/M/♦��/
Attention: 4WbA 4SWI S Subject:WJ /"W N OC - S'N/PY�'!�
FAX TRANSMITTAL: NUMBER OF PAGES INCLUDES COVER
I am sending you: 'R ATTACHED ( ) UNDER SEPERATE COVER
Prints ( ) Tracings ( ) Copy of letter ( ) Specifications ( ) Other
CaDle5 Item No. Description
Sets- r'1
c2 s) TC .C.,e You,70
G3 nEAD/NC-3,, n,_Ll/.t/iAGE S Wit/ PL>ON
C_9- &j/L17-Y &4A/
i-n re-S
These are transmitted as checked below:
JQ For Approval ( ) For Your Use ( ) Sign & Return Review
Remarks: 11V")C.P06QgdT�V f jUa PQj5_N7QP-EK5` AS-
14577RACZbL�
cc:
Signed:

INFIL I TION TRENCH ANALYSISFILE NAME9.09
Project# 980915 Trench 2 Date 04-Mar-99
Project Name CVS Pharmacy Shipyard Blvd. Reviewer arl
Drainage Basin Greenfield Lake Classification C Sw
Site Area 61419 Square Feet Drainage Area 30709.5 Square Feet
1.41 Acres 0.70 Acres
Impervious-.Are-a Calculation
Buildings 5062.5
Parking/Asphalt 21595
Concrete 822.5
Green
Total 27480
Volume/Storage Calculation
Required RV= 0.8553534
Required Volume To Store 2189 CF
Pipe Diameter 1 0.67 Feet
Length Of Pipe 240 176.00 Feet
Length Of Trench 165.00 Feet
Width Of Trench 24.00 Feet
Height Of Trench 3.50 Feet
Cross-Sectional Area Of Trench 3960.00 SF
Storage In Piping 251 CF
Provided
Available Volume To Store 5694 cubic feet
(Assuming 40% Voids)
Elevation Of Bottom Of Trench 43.00 Mean Sea Level
Elevation Of Seasonal High Water Table 41.00 Mean Sea Level
Exfiltration Rate/Drawdown
Reported Hydraulic Conductivity 18.40 inches/hour
Bottom Surface Area 3960.00 Square Feet
Drawdown= 0.9378011 hours
Comments:
Required volume and drawdown guidelines are met.

INFILTRATION ..0.
Project# 980915-1 Trench 1 Date 04-Mar-99
Project Name CVS Pharmacy Shipyard Blvd. Reviewer arl
Drainage Basin Greenfield Lake Classification C Sw
Site Area 61419 Square Feet Drainage Area 30709.5 Square Feet
1.41 Acres 0.70 Acres
Impervious Area Calculation
Buildings 5062.5
Parking/Asphalt 21595
Concrete 822.5
Green
Total 27480
Volume/Storage Calculation
Required RV= 0.8553534
Required Volume To Store 2189 CIF
Pipe Diameter 1 0.67 Feet
Length Of Pipe 180 192.00 Feet
Length Of Trench 152.50 Feet
Width Of Trench 26.00 Feet
Height Of Trench 3.50 Feet
Cross-Sectional Area Of Trench 3965.00 SF
Storage In Piping 209 CF
Provided
Available Volume To Store 5676
(Assuming 40% Voids)
Elevation Of Bottom Of Trench 43.00 Mean Sea Level
Elevation Of Seasonal High Water Table 41.00 Mean Sea Level
Extiltration Rate/Drawdown
Reported Hydraulic Conductivity 18.40 Inches per Hour
Bottom Surface Area 3965.00 Square Feet
Drawdown= 0.9336759 hours
Comments:
Required volume and drawdown guidelines are met.

TRIPP ENGINEERING, P.C.
0 507 Chestnut Street
Wilmington, North Carolina 28401
Phone: [phone] Fax: [phone]
January 14, 1999
NCDENR RECEIVED
Division of Environmental Management �aN 1 �C�g
Water Quality Section
127 Cardinal Drive BY:
Wilmington, NC 28405-3845
56o 9 g18Ug15
Attn: Ms. Linda Lewis
Re: CVS Pharmacy Shipyard Blvd.
SW8 980915
New Hanover County, NC
TE 97050
Dear Linda:
In response to your correspondence dated January 8, 1999, we offer the
following:
1. A corrected page #2 of the application has been provided.
2. Each trench has been numbered and corresponds with the supplemental forms.
3. Calculations for each trench are now provided.
4. A Delineated plan is now included.
5. The 6" laterals on the trench detail have been omitted.
6. We cannot provide information in the revision block until permits have been
issued and drawings are considered final. We will communicate our changes
as clearly as possible.
Please review for approval and contact us with questions or comments, or if you
Require additional information. Thank you.
Sincerely,
Tripp Engineering, P.C.
d404 4�4
Charles D. Cazier, E.I.
CDC

f,
p E C E 1 V E
JAN 1 4 1999
kRIPP ENGDTEEP?TNG, P.C. o E nn
307 Chestnut Street Wilmington, Norm Carolina 26 PROJ N��--
910/7o.i-5100 Fax [phone]
LETTER OF TRANSMITTAL
Job No. 9 c6G qq
To: NGD�A/P- Dcte: 61 j7 - / /
r::_r.::Cr: LJWDA 4grW/S
FAX TRANSMITTAL: NUMBER OF PAGES INCLUOES COVER _
I em sending you: _ Q AI1ACHED ( ) UNCE.R SEPEERA?E COVE.
Prints ( ) Trcclrgs ( ) Copy of letter ( ) Specificoticns ( ) Otter
Cceies Item No. Ce=_cricticr
02 s� cJ b ioc�Ti pry.. MAJ
G2 s)rE c,sYoa.T P�,cI�J
G 3 G e,0_ Dim 1*4A M47M. FdW1ar, cdnl ML PZAA
C15 Ai5rA145 .- Nor95
('-3 laid )_i jyNTEb 17MiLk&E dJ2FA
These are transmitted as checked below:
( ) For Approval ( ) For Your Use ( ) Sign & Return ( ) Review
Remarks: 436) 7 F Pi46112 A DX EIT1546 Z;��: NWII8602 14C t 6 F* ZVe
; V6AA-- 4S gr% SAIEET C 3 ) AIDDIFIELZ /N &LIZAA779h
T3asi� / itir ��TA)�- s,�1EEr C,s
CC:
Signed:

1/14/99 CVS-SHIPYARD 98066
CDC Infiltration Trench
10-year Storm
WATERSHED DATA
Total Drainage Area %impervious= 0.447
s .ft. acres = 447%
61,479 1.41 say 90.0%
Im emous Area Basin#1 CPRE= 0.25
Land Use s .ft. acres CPOST= (%imp.)(.95)+(1%imp)(25)
buildings 5,062.5 0.116 = 0.57
parkinglasphalt 21,595.0 0.496 110= 7.23 in/hr
concrete 822.5 0.019 125= 8.15 in/hr
Total 27,480.0 0.631
INFILTRATION SYSTEM: 1
Volume of first inch of runoff=impervious area112+(total area-impervious area)/12 x.25
V= 2,997+06 cu-ft
Required trench size assumes 40%void space:
Vr= 7,492.66 cu-ft I� ppp (p� ppp ryry
Volume provided: S t O R M W T E R
Vp= 73,877.50 cu-ft I I�' Ifs, IL��Y�"il
Impervious Area Basin#2 n E C E I V E D Land Use s .ft. acres Iona{
buildings 5,062.5 0.116
arkin /as halt 21,595.0 0.496 JAN 14 1999
concrete 822.5 0.019
Total 27,480.0 0.631
INFILTRATION SYSTEM: 2
PROJ #` ) aOC(IS
Volume of first inch of runoff=impervious ama112+(total area-impervious area)/12 x.25
V= 2,997.06 cu-ft
Required trench size assumes 40%void space:
Vr- 7,492.66 cu-ft
Volume provded.*
Vp= 13,860.00 cu-ft
DRAW DOWN RATE:
Infiltration rate from soils test:
R= 18.4 in/hr \\\\\\�
Depth of Infiltration Trench: §OQ�
D= 3.5 ft.
3 � SEAS•
Draw-Down Time: 1•19�� 4
D/R= 2.3 hrs.
y/ ��• i
'Draw Down calculation works the same for both trenches.

ilfil�i il:!ry
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State of North Carolina
Department of Environment � 0
and Natural Resources
Wilmington Regional Office
James B. Hunt, Jr., Governor N C D EN R
Wayne McDevitt, Secretary NORTR CJ ROLINA DEPARTMENT OF
ENVIRONMENT AND N/ RAL RESOURCES
Division of Water Quality
January 8, 1999
Mr. Phil Tripp, P.E.
Tripp Engineering
507 Chestnut Street
Wilmington, NC 28401
Subject: ACKNOWLEDGEMENT OF RECEIPT AND
REQUEST FOR ADDITIONAL INFORMATION
Stormwater Project No. SW8 980915
CVS Pharmacy-Shipyard
New Hanover County
Dear Mr. Tripp:
The Wilmington Regional Office received previously requested information for the Stormwater
Management Permit Application for CVS Pharmacy-Shipyard on November 12, 1998.. A preliminary review
of that information has determined that the application is not complete. The following information is needed
to continue the stormwater review:
1. Because you now propose two separate trenches, please revise page 2 of the application,
Section III. Provide the data for each trench in the columns provided. Original enclosed.
2. Please number the trenches on the plans to correspond to the supplement forms.
3. Please submit design calculations for each trench. The single calculation sheet submitted
implies that each trench is designed for 54,960 square feet of impervious area, and I do not
think that is what you want to imply.
4. Please delineate the drainage area to each trench.
5. The trench detail indicates that there are also 6" laterals connected to the 8" laterals. Please
show the locations and lengths of these 6" laterals and include them in the trench volume
calculations.
6. Please remember to fill in the revision block for the plan sheets that are revised.
127 Cardinal Dr.Eat.,Wilmington,North Carolina 28405 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/10%post-consumer paper

Mr. Tripp
January 8, 1999
Stormwater Project No. SW8 980915
---------------------------------------------
Please note that this request for additional information is in response to a preliminary review. The
requested information should be received by this Office prior to February 8, 1999, or the application will
be returned as incomplete. The return of a project will necessitate resubmittal of all required items, including
the application fee. The Division is allowed 90 days from the receipt of a completed application to issue the
permit.
If you have any questions concerning this matter please feel free to call me at [phone].
Sincerely,
Ms. Linda Lewis
Environmental Engineer
RSS/arl: S:\WQS\STORMWAT\ADDINFO\980915.JAN
cc: Linda Lewis
Jeffrey Zimmer
Central Files

TRIPP ENGINEERING, P.C.
0 507 Chestnut Street
Wilmington, North Carolina 28401
Phone: [phone] Fax: [phone]
RECEIVED
November 12, 1998 NOV 12 1999
NCDENR BY:
Division of Environmental Management
Water Quality Section
127 Cardinal Drive
Wilmington, NC 28405-3845
Attn: Ms. Linda Lewis
Re: CVS Pharmacy Shipyard Blvd.
SW8 980915
New Hanover County, NC
TE 97050
Dear Linda:
In response to your correspondence dated November 5, 1998, we offer the
following:
1. We have provided calculations to comply with the 5-day drawdown time.
2. Upon your request, we have submitted the latest version of the Underground
Infiltration System supplement with O & M included.
Our latest plan provides a system with two separate trenches. Total volume
provided has also increased to allow for even less outflow. Easements have also been
provided.
Please review for approval and contact us with questions or comments, or if you
require additional information. Thank you.
Sincerely,
Tripp Engineering, P.C.
Charles D. Cazier, E.I.
CDC:jss

State of North Carolina
Department of Environment
and Natural Resources _ /
Wilmington Regional Office _ _� X A
James B. Hunt, Jr., Governor N C D EN R
Wayne McDevitt, Secretary NORTH CAROLINA DEPARTMENT OF
Division of Water Quality ENVIRONMENT AND NATURAL RESOURCES
November 5, 1998
Mr. Phil Tripp, P.E.
Tripp Engineering
507 Chestnut Street
Wilmington, NC 28401
Subject: ACKNOWLEDGEMENT OF RECEIPT AND
REQUEST FOR ADDITIONAL INFORMATION
Stormwater Project No. SW8 980915
CVS Pharmacy Shipyard Boulevard
New Hanover County.
Dear Mr. Tripp:
The Wilmington Regional Office received a Stormwater Management Permit Application for CVS Pharmacy
Shipyard Boulevard on September 17, 1998. A preliminary review of that information has determined that the
application is not complete. The following information is needed to continue the`stornwater'review:
1. Please provide a calculation of the draw down time, indicating compliance with the required 5 day
time limit.
2. The O & M submitted is tailored for an above ground basin, not uinderground trenches. Please
complete, and have the owner sign, the enclosed "Underground Infiltration Trench" supplement form
with the correct O & M already on it.
Please note that this request for additional information is in response to a preliminary review. The requested
information should be received by this Office prior to December 5, 1998, , or,the application will be returned as
incomplete. The return of a project will necessitate resubmittal of all required items„including the application fee. The
Division is allowed 90 days from the receipt of a completed application to issue the`peiniit.: If you have any questions
concerning this matter please feel free to call me at (910).395-3900.
Sincerely,
. . .�' IOI r! .s':�Linda'lewis"''
Environmental Engineer`.
RSS/arl: S:\WQS\STORMWAT\ADDINFO\980915.NOV
cc: Linda Lewis
Jeffrey Zimmer
Central Files
127 Cardinal Dr.Ext.,Wilmington,North Carolina 28405 t, Telephone [phone], :FAX [phone]
An Equal Opportunity Affirmative Action Employer _ 50%.recycled/10% post-consumer paper

6V5 : CPy 9f09 S
DIVISION OF WATER QUALITY
INFILTRATION SYSTEM INVESTIGATION
1. The minimum bore depth: C-"Z TOU/70 4C '
43 ¢3
� 2 L s ,
2. The type of soil:
3. The expected infiltration rate:
3 e -2 cm Isec = o/3 c 5� � / 11 hi' Z_s4cm
geG
4. The depth to the Seasonal High Water Table:
5. Additional comments:
Signature of Regional Office Personnel:
Linda Lewis, DWQ Vincent Lewis, Soil Scientist
Permit Application No. j(,USgFC) g/S 00 Date /U—&F qf�
S:\W QS\STORM W AT\FORMS\INFIN V ST.FOR

t8-20-1998 3:57PM FROM P. 2
LAW
ENGINEERING AND ENVIRONMENTAL SERVICES, INC. ��I�
August 20, 1998 4
Zimmer Development Company ((ff
I II Princess Street S�W /��p ATER
P.O.Box 2628 I�I IVV/111/
Wilmington,North Carolina 28402
Attention: Mr.Rod Young p E C E I V E
SUBJECT: REPORT OF SUBSURFACE EXPLORATION OCT 0 71998 D
PROPOSED CVS PHARMACY
WILMINGTON,NORTH CAROLINA PROD N D ED E M
LAW PROJECT NO.31000-8-1065
Dear Mr.Young:
Law Engineering and Environmental Services, Inc. (Law), is pleased to submit this report of our
subsurface exploration and geotechnical evaluation for the proposed project. Our services were
provided in general accordance with Law Proposal No. 310DO-8130, dated June 24, 1998. The
purpose of the exploration was to explore subsurface conditions and develop recommendations for
site earthwork, foundations and pavements for the project. The assessment of site environmental
conditions or the presence of contaminants in the soil, rock, surface water or ground water of the
site was beyond the scope of this exploration_
This report presents a review of the information provided to us, a discussion of the site and
subsurface conditions, and our reeommerLdafiens. The Appendix contains a site location map, a
boring location plan, and the results of our field tests, and descriptions of field tests and soil
classification.
PROJECT INFORMATION
General project information has been provided by Mr. Stubbs in a request for a proposal (RFP),'
dated June 22, 1999, We have a site plan sketch showing the relative location of the proposed
building. The proposed site is located is at the intersection of Carolina Beach Road and Shipyard
Boulevard in Wilmington,North Carolina. An existing gas station is currently located on the site.
The proposed building will be a single story structure approximately 10,125 square feet in plan
area. Structural loads have not been provided, but are expected to be light to moderate.
FIELD EXPLORATION
Five soil test borings were drilled to depths of approximately 20 feet below existing grades in the
building area. Five parking area borings were drilled to depths of approximately 10 feet below
existing grade. The boring locations were selected and located in the field by Law personnel by
taping distances and estimating right angles from existing site features. These locations should be
S710 OLEANDER DRIVE,SUITE 110 •WILMINGTOR NC 28400
191 01 4 524 1 8 5•FAX f81o1 n am

8-20-1998 3:57PM FROM P. 3
I
Zimmer Oeve(opnanr company 08120196
(nw Project No.31000-3-1065
Pape 2
considered accurate only to the degree implied by the methods used. The approximate locations of
The borings are shown on Drawing No. 2 in the Appendix.
The borings were performed by a CME 45 power drilling rig. Borings were drilled using wash
rotary techniques with a drilling slurry to stabilize the boreholes. Samples were taken by driving a
1-3/8 inch I.D. split-spoon sampler in general accordance with ASTM D 1586 specifications at 2-
1/2 to 5 feet intervals. Representative portions of all samples were sealed in glass jars and
returned to our laboratory where they were visually classified by a geotechnical engineer in
general accordance with the Unified Soil Classification System(USCS)-
Test boring records showing visual descriptions of the soil strata encountered and the sampling
and field test data are included in the Appendix. Information sheets describing the Unified Soil
Classification System and the terms and symbols used on the soil boring records are also included.
The evaluation and recommendations presented in this report were developed from our
interpretation of the general subsurface conditions at the site based on information obtained from
the soil borings. The stratification lines indicated on the boring records represent the approximate
boundaries between soil types. The transitions may be more gradual in situ. Variations in soil
conditions can also occur between soil boring locations.
One sample from boring B•6, from a depth of one to five feet was submitted for permeability
testing.
SITE AND SUBSURFACE CONDITIONS
Site Description
The proposed site is located southeast comer of Carolina Beach Road and Shipyard Boulevard in
Wilmington, North Carolina, as shown on Drawing No. 1 in the Appendix. The site is essentially
rectangular in shape with a gas station located in the north half with an overhead pump station
canopy, car wash, concession buildings, and asphalt paving. The southern half of the property is
flat,undeveloped and has a grass cover.
Subsurface Conditions
The borings performed across the site generally revealed loose to dense fine sands containing
variable amounts of clay and silt to a depth of boring termination 20 feet. A layer of loose to firm
clayey sands was encountered from approximately 6 to 14 feet BGS in boring B-2, 3, and 5.
Underlying the clayey sands, a firm fine sand was encountered. These soils art classified as SP
and SC soils according to the Unified Soil Classification System. The upper sands have Standard
Penetration Test (SPT) resistance values (N-values) ranging from 9 to 16 blows per foot. The
underlying clayey sands have SPT values ranging from 10 to 36 blows per foot. The underlying
fine sands have SPT values ranging from 14 to 50+blows per foot.
Asphalt overlying marl and gravel was encountered to a depth of one foot in the borings located
throughout the area of the old gas station. Loose sand was encountered in Boring B-4 to a depth of
g feet. This boring was located in an area formerly occupied by an old UST tank pit which has
LAW
H3dieMOYimmc0cvSU U66.6ot ENCiNFERINc ANO EFVIRONM[Nfgr sERvices

8-20-1998 3:58PM FROM R 4
I
I
Pannier Nvelopmene Comparry 08/20l98
1nw Prgea No.31000-8-1065
Yale 3
reportedly been removed. Fuel odors were apparent in samples collected from borings B-I and
B-4.
A soil sample from boring B-6 from 1.0 to 5.0 feet below ground surface was laboratory tested for
permeability. The results of laboratory testing indicate a permeability of 1.3E-02 cm/sec.
Ground-Water Conditions
Accurate groundwater readings could not be made at the completion of the borings since a slurry
or "mud" was used in the drilling process. However, based on the observed soil moisture
conditions and ground-water measurements obtained in open borehole monitoring wells 24 hours
after drilling,we expect ground water is present between 12 and 14 feet below the existing ground
surface. Ground-water observations are recor on the soil boring logs in the Appendix.
Fluctuations in the groundwater table may occur depending on variations in precipitation,
evaporation, and surface water runoff. The ground-water level is generally higher during the
wetter months of the year(November to March).
RECOMMENDATIONS
Site Preparation
We anticipate fill will be placed above existing grades in the proposed building areas to establish
surface drainage away from the structures. We assume no more than about one foot of fill will be
placed. We do not expect any significant lowering of existing grades over the remainder of the
site, except for an infiltration pond.
Site preparation should begin with demolition and removal of buildings associated with the
existing gas station. The existing mart encountered beneath the asphalt paving may remain in
place or be salvaged for use elsewhere on the site. All vegetation, topsoil, and unsuitable soil
should be stripped from proposed building and pavement areas in the southern parcel. The
strippings should be removed from the site or stockpiled for use in landscaped areas. We
recommend a nominal stripping depth of one foot to remove surface vegetation and topsoil,
although deeper stripping may be necessary in localized areas to allow for more complete removal
of unsuitable materials if encountered.
If areas of unstable soils are observed during stripping, these soils should be undercut and replaced
with either compacted washed crushed stone (N.C.DOT No. 57 or 67)or compacted soil fill. In
general, we do not anticipate significant undercutting at this site based on shallow soil conditions
revealed by the borings.
Once demolition/removal and stripping is complete, the shallow sands in building and pavement
areas should be densitied by vibratory rolling with a heavy-weight smooth steel drum vibratory
roller. The vibratory roller should make eight passes over each section of the building and
pavement subgrades in order to improve the density of shallow sands in an effort to provide more
uniform subgrade support for compaction of structural fill and for floor slabs and pavements. The
second set of four passes should be perpendicular to the first set of four passes. The geotechnical
engineer or technician should observe the vibratory rolling to help identify localized areas of
�? LAW
H:1tl�enbVimmer�eVs�I06S.doc ENGINlER!ND AND ENVMtONNlNTAI Sf MiClS

8-20-1998 3:58PM FROM P. S
Zimwr Dcvcbpmo-M Company 4W20/98
Low Pmjcce Na 31000.8•1065
Page 0
unsuitable or unstable soil. If areas of unstable soils continue to exist which do not improve after
repeated vibratory rolling,those areas should be undercut to suitable materials and backfilled with
approved soil fill materials.
Soil to be used as compacted fill to raise site grades or to backfill excavations should consist of
fine to medium sand having no more than 20 percent material passing the No. 200 sieve. Soils
with Unified Soil Classification System designations Sp, SW, and some with SM are suitable as
compacted fill. Based on visual classification, the on-site soils are generally suitable for use as
compacted fill.
Soil fill should be placed in uniform horizontal lifts between 8 and 10 inches thick at a moisture
content close to the optimum moisture content determined by ASTM D 698 (standard Proctor)to
achieve adequate compaction. Generally,the moisture content of fill should be within 3 percent of
the optimum moisture content during compaction. Each lift of fill should be uniformly compacted
to a dry density of at least 95 percent of the standard Proctor(ASTM D 698)maximum dry density
of the fill. The top 18 inches of the soil subgrade beneath pavements should be compacted to at
least 9S percent of the standard Proctor maximum dry density.
In-place field density tests should be performed by the geotechnical engineer or technician to
monitor fill compaction. We recommend at least one field density test be performed for every
2,500 square feet of fill placed, with at least one test performed on each lift of fill. We
recommend at least one test per I00 feet per every other lift placed in utility trench areas. If any
compaction problems are encountered during construction, the geotechnical engineer should be
contacted for modifications to compaction requirements or procedures.
Shallow Foundations
We recommend the proposed structure be supported on shallow spread or strip footings designed
using an allowable net bearing pressure of 2,500 pounds per square foot. The shallow footings
should be founded on natural soil or properly compacted fill. The footing bearing level should be
at least 12 inches below the adjacent final exterior grade. The North Carolina Building Code
requires strip footings to support walls be at least 16 inches wide and isolated spread footings be at
least 24 inches wide.
We estimate, based on the shallow soils observed and our experience, that shallow footings
designed according to these recommendations should experience approximately 1 inch of total
settlement and less than 112 inch of differential settlement. The settlement should occur during the
course of the construction such that long-term post construction settlements are not expected.
We recommend the geotechnical engineer or technician observe the footing excavations
immediately prior to placing steel reinforcing or concrete. All foundation-bearing areas should be
level or suitably benched and free of loose soil, ponded water and debris. Any soft or loose soils
should be undercut to suitable materials and backfilled with approved soil fill materials, clean
stone(N.C.DOT No. 57),or lean concrete. Soil backfill should be compacted as described above.
/& LAW
H:4rieuU`amantAcvs\IOtiS.doc ENGINEERING AND ENVIRONMENTAL SEnV1G4e

8-20-1998 3:59PM FROM P. 5
bmmer Development Company i. 03/701pa
Low Project No,5100"-1065
Pose 5
Floor Slab
We recommend the ground level floor slab be designed as a slab on grade supported on properly
compacted fill or densified natural soil. A plastic moisture barrier should be provided between the
concrete slab and soil subgrade to prevent moisture problems with the slab. The slab should be
jointed around columns and walls to allow for minor differential movements.
Construction activities and exposure to weather can deteriorate prepared subgrades. Therefore,we
recommend density and moisture content tests to evaluate the condition of the slab subgrade be
performed immediately prior to placement of the vapor barrier and construction of the slab.
Pavements
The proposed pharmacy structure will be surrounded by light duty parking areas with entrance
drives and drive lanes subjected to concentrated traffic flows. We understand flexible pavements
consisting of asphaltic concrete over a crushed stone base course over the soil subgrade are
preferred for typical pharmacy projects. Detailed pavement design information has not been
provided.
We did not perform subgrade strength teas for this project. We have assumed, based on our
experience, that the on-site shallow sands or similar imported soils will provide a design
California Bearing Ratio of at least 15 when property compacted in place.
We recommend the flexible pavement for this project consist of at least 2 inches of N.C.00T
Type I.1 or 1-2 asphalt over at least 4 inches of N.C.DOT Type A or B aggregate base course over
the approved soil subgrade. We recommend the aggregate base course be increased to 5 inches in
areas of concentrated traffic flows, such as drive aisles in the parking area and entrance and exit
lanes, and in areas of heavy wheel loads, such as in front of waste dumpsters. We recommend
asphalt pavements and bases be constructed according to recommendations provided in the
N.C.DOT Standard Specifications for Roads and Structures,July 1995_
If a concrete slab is desired in front of waste dumpsters, we recommend the slab be at least 6
inches thick. The concrete should have a 28-day compressive strength of at least 4,000 psi.
Maintaining a well-drained pavement surface and subgrade is essential to the successful long-term
performance of pavements. Therefore, we recommend the pavement surface and soil subgrade be
sloped at least 1/4 inch per foot to promote drainage and reduce infiltration of surface water.
CONSTRUCTION CONSIDERATIONS
Recommendations for construction related to site environmental conditions was beyond the scope
of this exploration.
The on-site sands classify as Type C soils according to OSHA guidelines for shallow excavations.
The sides of temporary shallow excavations deeper than 4 feet through Type C soils should be
sloped at 1.5 horizontal to 1 vertical, or flatter, or they should be benched or braced- These
LAW
1Uc1ientslzimmcdCvWo65,doc ENOiNEIRNO AND ENVIRONMENTAL 61wic"

8-20-1998 4:00PM FROM P. 7
Zimmer Development Company 08/2fV98
law Project Na 31000-8-1063
Page 6
guidelines only apply to excavations above the water table. If dewatering is required to complete
some utility trench excavations, care should be taken to prevent running sand from entering the
excavation.
CLOSURE
The recommendations provided in this report are based on our understanding of the project as
described above, and on our interpretation of the data collected during the subsurface exploration.
We have made our recommendations based on experience with similar subsurface conditions and
similar loading conditions. The recommendations apply to the specific project discussed in this
report; therefore, any changes in building loads, building location, or site grades should be
provided to us so we may review our conclusions and recommendations and make any necessary
modifications.
We are available to discuss our recommendations with you and to provide additional studies or
services necessary to complete the project. We appreciate the opportunity to be of service to you
in the subsurface exploration phase of this project and are prepared to assist you during the
construction phases as well. If you have any questions concerning this report or any of our testing,
inspection, design and consulting services, please do not hesitate to contact this office.
Sincerely,
LAW ENGINEERING AND ENVIRONMENTAL SERVICES,INC.
AA � �y- i1 lr
.J �Rit4aA �l by wo permissipn
T.Carter Hubard,E.I.T. XAllanJ. Tice,P.E.
Staff Engineer Corporate Geotechnical Consulta6",
Registered,North Carolina 6428
Attachments
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' SOIL BORING LOCATION PLAN DRAWN: DATE: AUGUST 1998
PROPOSED CVS PHARMACY DFT CHECK SCALE: 1=600
SHIPYARD BOULEVARD ENG CHECK: JOB: 31 000-8-7 065
WILMINGTON, NC . —
APPROVAL: 2
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8-20-1998 4:02PM FROM P. 10
SOH,CLASSIFICATION L E SAMPLES PL(R) NM(%) LL(%)
P I AND kBMARKS E L N-couxr
H E v E Y
S&R KFY SYMBOL SHEET FOR EXFLANAIiI)N OF N N 1, v ;o • SPI'(bpf)
(fl) SYMBOLS AND ABBREVIATIONS BELOW. D (it) T E x 10 20 30 40 50 60 10 80 90 )DO0 ASPHALT 48.0
(kr w m firm,ycllow tine SAND(SP) S"-I 17-I5-16
5 43.0 SY'f3 6-d-10 5
A wrws hghl dmy and wu below 6 V feet
SP7-3 9.91-:1
-vase Nell 7ragmms encVunurcd%claw 6.5 ktl
10 38.D SP'T-s 10-10-10 10
-beemnes saturated below 13.5 feet
15 - 37.0 SPT-5 4.9.10 4 1
IS I
SPR6 11-20.19
20 -' IMwmdlamiwted at 20.0 feel. — 2d.0 20
F
25 11.0 25
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Emil-LEk: Carolina Drilling
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L-r)l1IVMP.NT CME 45
METHOD Wash .._
IIUU:Dln,: 1, O.IFCT: CVS Shipyard Boulevard BORING NO.: B- I
REMARKS: 6rdarWwsler measured at 12.0 ricer of time ofborinK COORD N:
LTevations esiimated liom:opo;raphic c*ntoero on:ate
reap.Petroleum Inel arse arpu w COORD E:
DRILLED: August 12, 1998
7 HIS KECORD IS A REASONABLE INITRPRYFA IION PRO-I. NO.: _31000-R-1065 PAGE I OF I
OF SUBSURFACE CONDITIONS AT THE EXPi.OR AnONLAW
LOCATION. $I!BSIJRFACF.CONCITIONS Ai OTITE.R
&R
LOCATIONS AND AT OTHER TIMES MAY DIFFER.
INTERFACES BEWEENSIRAI'AARIi AI'PKUXLMAI'!;. I LAWGIBB Group Member

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e 8-20-1998 4:03PM FROM P. 11
o SOIL CLASSIFICATION L r E SAMPLES PI(X) NM(x)
P AND REMARKS I•: L ! N-COUNT — (8
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H E V E Y
SFR KRY SYMBOL.SIft:ET FOR L:[PLANATION UP N N P ;c b :o • svr(bprl
(ft) Sl'MI3041',V4D ABBREVIATIONS BELOW. 0 (ft) 7 E
0 49,0 ^' 10 20 30 40 50 OU 70 $11 90 100
VeOeWhua and louse sand
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METHOD' W:th
HOLE OrA.- PROJECT: CVS Shipyard Boulevard BORING NO.: B-2
REMARKS: 3mundwatcr measured at12.0 feet attimcorborinr- COORDN:
I9esal(ans,14naled f.nm 41puEnPhx-am4rs..net si:e
man. COORD E:
-_^ DRILLED: August 12, 1998
T111.4 RECORD IS A REASONABLE INTTiRPRETATION `ROJ,NO.: 31000-8-1065 PACE I OF I
OF SU3SiRdFACE CONDITIONS AT THE EXPLORATION -�-.
L(.)CAIION. ,It JESURFACE CONDI'IIONSATOTH'E:R
LOCATIONS AND AT 071-IER TUAES MAY DIFFER. LAW
wi-HRFACtS BEWEEN STRA-FA ARE.APPROXIMATE. LgWGt68 GrOr�l1 f Member Ak
T9 nNClTtIINQ R TW rm CTDa Ta nAa V QV l:D aril lar

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Oct 2 '98 10:13
T. 1. 1 Check condition of remote Fax. [phone]
State of North Carolina
Department of Environment and Natural Resources
Wilmington Regional Office
James B. Hunt,Governor Wayne McDevitt, Secretary
FAX <'COVER• SHEET
Date: IG-�L.�aB No. Of Pages:
To: Ph"( —Fri 02 From: :L l
CO: Co.
FAX#: -350-2004
REMARKS: f�>E : GvS 6h i 2r lAW
pl�25 su 6. ;
•.yt � x ,
127 C"Inal Drive Eatanion,WHmingtuu,.K.C.23405.3345Tdepbone PIP)M390D Fax(?I.,) 030W
An Equal opportunity Alra mauve Action Emp(oyof;'
5
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State of North Carolina
Department of Environment and Natural Resources
Wilmington Regional Office
James B. Hunt, Governor Wayne McDevitt, Secretary
FAX COVER SHEET
Date: �0-2 —q 8 No. Of Pages:
To: PhA -Tri pP From: LI1Id2 L &("'5
CO: CO:
FAX #: %o3 S&3 I FAX#: [phone]
REMARKS: IC6 : GVS Sh i 2rv4 Sw 3 G 80`) IS
P(eos2 submi -f� soiI5 reoorfi -
111V0_S�iGaf�'y'1 '� Fake (��2C2 Ca'1 �r:cl2H� lC�—F3.
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127 Cardinal Drive Extension,Wilmington,N.C.28405-3845 Telephone[phone] Fax[phone]
An Equal Opportunity Affirmative Action Employer

0
TRIPP ENGINEERING, P.C.
507 Chestnut Street Wilmington, North Carolina 28401
910/763-5100 Fay. 910/763-5631 /VA\
LETTER OF TRANSMITTAL
Job No.
To. NOW Date: 0
Attention: gDO IW6 Subject:
FAX TRANSMITTAL: NUMBER OF PAGES INCLUDES COVER
I am sending you: (I�/ATTACHED ( ) UNDER SEPERATE COVER
( 1KPPrints ( ) Tracings ( ) Copy of letter ( ) Specifications ( ) Other
Copies Item No Descrir)tion
no
E C E I V E
nr.r n , ,ana IIII
PROD71 ^�
The a are transmitted as checked below:
7For Approval ( ) For Your Use ( ) Sign & Return ( z,�/Review
Remarks:
Mld-c ' -
cc: �2.
Signed: /7—

TE 98066
September 17, 1998
Re: CVS Pharmacy Shipyard Boulevard
New Hanover County, NC
TE 98066
Stormwater Narrative
The total area of this tract is 1.41 acres. The site is currently occupied by gas station. This will
be demolished and removed. A new 10,1215 sf building is to be constructed along with 43,190 sf of
parking asphalt access.
All run-off from this site will be routed an infiltration basin which will hold runoff to a lower
level than the pre-development.
it
;I ,

TRIPP ENGINEERING, P.C.
0 507 Chestnut Street
Wilmington, North Carolina 28401
Phone: [phone] • Fax: [phone]
RECEIVED
September 17, 1998 1 98
NCDENR / BY
Division of Environmental Management
Water Quality Section
127 Cardinal Drive
Wilmington, NC 28405-3845
Attn: Ms. Linda Lewis
Re: CVS Shipyard Boulevard
New Hanover County, NC
TE No. 98066
Dear Linda:
Enclosed please find two (2) sets of plans, one (1) signed original and one (1)
copy of the application form, two (2) sets of sealed calculations, one O &M, and one (1)
check to cover the application fee.
Please review for approval and contact us with any questions or comments. Thank
you.
Sincerely,
Tripp Engineering, P.C.
PhillipTripp,G. Tri P.E.
PGT:jss
Enc.
II,

3. Specify the type of project(check one):
Low Density X_High Density Redevelop General Permit _Other
4. Additional Project Requirements (check applicable blanks):
CAMA Major X_Sedimentation/Erosion Control 404 Permit
III. PROJECT INFORMATION
1. In the space provided below, summarize how stormwater will be treated. Also attach a detailed
narrative(one to two pages) describing stormwater management for the project.
Infiltration system
2. Stormwater runoff from this project drains to the Cape Fear River basin.
3. Total Project Area: 1.41 acres 4. Project Built Upon Area: 89.5 %.
5. How many drainage basins does the project have? 1
6. Complete the following information for each drainage basin. If there are more than two drainage basins
in the project, attach an additional sheet with the information for each basin provided in the same format
as below.
1B'asi 1KWMiaiton.'' , "W�u00 "eBasrnl r' D e:Basaizz2
Receiving Stream Name Cape Fear
-Receiving Stream Class
Drainage Basin Area 1.41 acres
Existing Impervious * Area To Be Removed
Proposed Impervious * Area 1.26 acres
%Impervious* Area(total) 89.5
On-site Buildings 10,125 sf
On-site Streets N/A
On-site Sidewalks 1,645 sf
On-site Parking 43,190 sf
Other on-site N/A
Off-site N/A
Total: E=54,960 sf E=
*Impervious area is defined as the built upon area including, but not limited to, buildings, roads,parking
areas sidewalks, gravel areas, etc.
7. How was the off-site impervious area listed above derived? N/A
IV. DEED RESTRICTIONS AND PROTECTIVE COVENANTS
Deed restrictions and protective covenants are required to be recorded for all low density projects and all
subdivisions prior to the sale of any lot. Please see Attachment A for the specific items that must be recorded.
Form SWU-101 January 1998 Page 2 of