HomeMy WebLinkAboutSW7960803_HISTORICAL FILE_20070411STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW zq, ! 7
DOC TYPE
❑ CURRENT PERMIT
❑ APPROVED PLANS
HISTORICAL FILE
COMPLIANCE EVALUATION INSPECTION
DOC DATE,/�
YYYYM M D D
-
��F W ATF90 a r•,,y,'j `:r �- Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
APR 1 1 2001
Alan W. Klimek, P.E. Director
L)1 p Q-W ^ RO Division of Water Quality
SURFACE WATER PROTECTION SECTION
COASTAL STORMWATER PERMIT NAME/OWNERSHIP CHANGE FORM
I. CURRENT PERMIT INFORMATION:
1. Stormwater Management Permit Number: SW7960803
2. Permit Holder's name:_ Neuse Builders, Inc.
3. Signing official's name. Patrick McCullough Title: vice President
(person legally responsible for permit)
4. Mailing address: 604 East Main street City: Havelock
State: NC ZipCode: 28532 Phone: 252 670-2430 FAX: 252 447-2579
(Area Code and Number) (Area Code and Number)
II. NEW OWNER / PROJECT I ADDRESS INFORMATION
1. This request is for: (please check all that apply)
xx a. Change in ownership of the property/company (Please complete Items #2,
#3, and #4 below)
_ x b. Name change of project (Please complete Item #5 below)
C. Mailing address change. (Please complete Item #4 below)
d. Other (please explain):
2. New owner's name to be put on permit: Academy Catunons Condominium nwnpr's Association
3. New owner's signing official's name and title: Jeff Jenkins
President
:!
I
(Title)
New Mailing Add ress:604 East Main Street City: New Bern
State: NC ZipCode:28532 Phone:252 670-2430 FAX: 252 447-2579
(Area Code and Number) (Area Code and Number)
New Project Name to be placed on permit: Academy Commons
Page 1 of 2
North Carolina Division of Water Quality Internet: ncwaternualin.ore
943 Washington Square Mall Phone (252) 946-6481
Washington, NC 27889 Fax (252) 946-9215
NorthCarohna
Naturally
An Equal OpportunitylAfhrrnalive Action Employer - 50% Recycled/10% Post Consumer Paper
PERMIT NAME/OWNERSHIP CHANGE FORM
THIS APPLICATION PACKAGE WILL NOT BE ACCEPTED BY THE DIVISION OF WATER
QUALITY UNLESS ALL OF THE APPLICABLE ITEMS LISTED BELOW ARE INCLUDED
WITH THE SUBMITTAL.
REQUIRED ITEMS:
1. This completed form.
Legal documentation of the transfer of ownership.
A copy of the recorded deed restrictions, if required by the permit.
The designer's certification, if required by the permit.
A signed Operation and Maintenance plan, if a system that requires maintenance will
change ownership.
6. Maintenance records
CERTIFICATION MUST BE COMPLETED AND SIGNED BY BOTH THE CURRENT PERMIT
HOLDER AND THE NEW APPLICANT IN THE CASE OF A CHANGE OF OWNERSHIP.
FOR NAME CHANGES, COMPLETE AND SIGN ONLY THE CURRENT PERMITTEE'S
CERTIFICATION.
Current Permittee's Certification:
I, Patrick McCullough attest that this application for a
change ha"s been reviewed and is accurate and complete to the best of
understand that if all required parts of this application are not completed and
supporting information and attachments are not included, this application
returner
Signatu
New Applicant's Certification: (Must be completed for all transfers of ownership)
name/ownership
my knowledge. I
that if all required
package will be
I, Jeff Jenkins , attest that this application for an ownership
change has been reviewed and is accurate and complete to the best of my knowledge. I
understand that if all required parts of this application are not completed and that if all required
supporting information and attachments are not included, this application package will be
returned as incomolete,
Signatu
Date: /Z-2/-0�
THE COMPLETED APPLICATION PACKAGE, INCLUDING ALL SUPPORTING
INFORMATION AND MATERIALS, SHOULD BE SENT TO THE FOLLOWING ADDRESS:
North Carolina Department of Environment and Natural Resources
Division of Water Quality, SWP
943 Washinton Square Mall
Washington, NC 27889
Page 2 of
Michael F. Bosley, Gox eruct
William G. Ross h.. Secretary
North Carolina Department of [m ironmen I and Natural Rcso rces
IJ
June 27, 2007
Ncusc Builders. Inc.
Attn: Mr. Patrick McCullough
604 East Main Street
Havelock, NC 28532
Nam N'. Klimek, P.I!. Director
Division of Wince Quality
IPA
JUL 0 3 2007
U O—WARO
Subject: Stormwater Permit SW7960803
Academy Commons
Craven County
Dear Mr. McCullough:
The Washington Regional Office received your request to renew the subject stormwater permit on
April 11, 2007. Included with your request was an engineer's certification that indicates the wet pond
system may not be constructed as originally permitted. You also included a request for a change of
ownership.
Based on the information provided, your project may require that you submit a complete
stormwater application, including "as built" plans and specifications. You should provide a copy of the "as
built " plans to the Division of Water Quality, Washington Regional Office, Attn: Mr. AI Hodge, as soon as
possible. A member of the Water Quality staff will contact you in the near future to conduct a site visit
and discuss the modifications to your project.
If you have questions, please feel free to contact Mr. Al Hodge at the Washington Regional Office,
(252)948-3919.
Sincerely,
Rick Shiver
Assistant Director for Regional Operations
Division of Water Quality
cc: Avolis Engineering
Craven County Planning/Inspections
Central Files
Al Hodge, Washington Regional Office
North Carolina Division of Water Quality Washington Regional Office Phone (252) 946-6481 FAX (2�2) 946-9215
Internet: h2o.enrstate.nc.us 9.13 Washington Square Mall. U'ushington, NC 27889
Customer Service
1-977-621-6748
0",
NorthCai
✓� ��lun
An Equal OpportunitylAffirmative Action Employer - 50 % Recycleml0% Post Consumer Paper
nTm
f\ :3 AVOLIS ENGINEERING, P.A.
�� P.O. Box 15564 • New Bern, North Carolina 28561 • (252) 633-0068
August 1, 2007
Mr. Al Hodge REV,* V,�FD)
Regional Engineer
State ofNorth Carolina Division of Water Quality 1 i;i;
943 Washington Square Mall pp�ff pp
Washington, NC 27889 DWO-WARD
Re: Stormwater Permit SW7960803, Academy Commons, Craven County
Dear Al:
We have met with the owner of the above -referenced stormwater pond. He will be
making the necessary modifications to bring the pond in compliance with the design
drawings. The developer is in the process of getting his equipment rented. I anticipate
the work starting within the next two weeks.
Should you have any questions, please do not hesitate to give me a call.
Sincerely,
fl vol7 S,
Pr ide
AVOLIS ENGINEERING, P.A.
—L� P.O. Box 15564 • New Bern, North Carolina 28561 • (252) 633-0068
APR i:; l
STo12MWATER MANAGEMENT NARRATIVE
NEUSE BUILDERS DEVELOPMENT (ACADEMY COMMONS)
NEW BERN, NC
SW7960803
The original construction plans for the stormwater detention pond called for mouiiying an
existing on -site pond for use. "hhc plans called for the installation of a lorebay and an
aquatic bench. The existing pond Foot print area and shape was to remain the same. The
proposed pond depth was to be four feet.
']'lie actual pond existing depth was determined to be eighteen feet. This depth made the
pond more el'licient in terms ol'stormwater treatment. The relatively deep existing pond
depth would not facilitate the construction of a lorebay or an aquatic bench. The pond
would have to be filled in order to construct the aquatic bench.
Due to the relatively deep existing pond depth, it is proposed that the forebay and the
aquatic bench not be required. The perimeter of the pond is heavily vegetated with
woody vegetation.
�.'J:
_ t
,i.
AVOLIS ENGINEERING, P.A.
P.O. Box 15564 • New Bern, North Carolina 28561 • (252) 633-0068
October 24, 2007
Mr. Bill Moore
Environmental Engineer
State of North Carolina
Division of Water Quality
943 Washington Square Mall
Washington, NC 27889
OCT 26 2'�1i
0WG,- VYA
Re: Stormwater Detention Pond As-Builts, Neuse Builders Development, Craven
County, 4SW7960803
Dear Bill:
Enclosed please find two copies of the as -built drawings for the above -referenced
stormwater detention pond system that we visited together in the field. As we discussed
at the site, the pond depth averages 2.0'-2.5' deeper than the permitted depth of 4.0'.
"rhe drainage swales flowing into the pond are relatively long, have mild longitudinal
slopes, have 3:1 side slopes and are completely stabilized with grass.
'rhe contractor is in the process of mowing the pine trees which have grown up around
the pond. Fie has already excavated out the forebay area as requested.
We appreciate your assistance with this project. Should you have any questions, please
do not hesitate to give me a call.
Sincerely,
�oscpp/C. Avolis, PE
Pre s'de i
�OF W ATFgo Michael F. Easley, Governor
9 William G. Ross Jr., secretary
r North Carolina Department of Environment and Natural Resources
Q Y Alan W. Klimek, P.E. Director
_ Division of Water Quality
June 27, 2007
Neuse Builders, Inc.
Attn: Mr. Patrick McCullough
604 East Main Street `�,('
Havelock, NC 28532 (/
Subject: Stonnwater Permit SW7960803
Academy Commons
Craven County
Dear Mr. McCullough:
The Washington Regional Office received your request to renew the subject stormwater permit on
April 11, 2007. Included with your request was an engineer's certification that indicates the wet pond
system may not be constructed as originally permitted. You also included a request for a change of
ownership.
Based on the information provided, your project may require that you submit a complete
stormwater application, including "as built" plans and specifications. You should provide a copy of the "as
built " plans to the Division of Water Quality, Washington Regional Office, Attn: Mr. Al Hodge, as soon as
possible. A member of the Water Quality staff will contact you in the near future to conduct a site visit
and discuss the modifications to your project.
If you have questions, please feel free to contact Mr. Al Hodge at the Washington Regional Office,
(252) 948-3919.
Sincerely,
Rick Shiver
Assistant Director for Regional Operations
Division of Water Quality
cc: Avolis Engineering /ZY /� 7
Craven County Planning/Inspections
Central Files
AI Hodge, Washington Regional Office
North Carolina Division of Water Quality Washington Regional Office Phone (252) 946-6481 FAX (252) 946-9215 Customer Service
Internet h2o.enr.state.naus 943 Washington Square Mall, Washington, NC 27889 1-877-623-6748
N'op hCaroli
waturak
ZN �3 AVOLIS ENGINEERING, P.A.
Z� P.O. Box 15564 • New Bern, North Carolina 28561 • (252) 633-0068
April 10, 2007 HEMMED
Mr. Bill Moore APR 1 1 2007
Environmental Engineer
Division of Water Quality
943 Washington Square Mall
Washington, NC 27889
RE: Stormwater Management Permit, Neuse Builders Development, New Bern, NC;
SW7960803
Dear Bill:
Enclosed please find the stormwater permit renewal application for the above-reterenced project
in addition to the $420 fee. Should you have any questions, please do not hesitate to give me a
call.
Sincerely,
Neuse Builders - SW7960803
Subject,�Neuse Builders - SW7960803 /
From: Bill Moore <Bill.Moore@ncmail.nety
Date: Wed, 17 Oct 2007 15:25:34 -0500
To: avoliseng@lpmonline.net
Hey Joe,
I recall that we visited this site to discuss some modifications to an existing wet
pond so that we could renew the permit; also a name change. I think we agreed to some
reasonable/minor changes that would be practical and may be avoid some more
extensive/expensive type work. I was expecting an "as -built" plan showing the
modifications we discussed, confirmation that the work is complete, and a new 0&M
agreement signed by new owner; so that I could get the permit renewed/issued in the
current owner's name. I have to do something with this project by 11/01/07, or my
boss is going to start asking questions. Help
1 of 1 10/17/2007 3:25 PM
t�•1.�R0
OF WATF9
Michael F. Easley, Governor
QG
�0
William G. Ross Jr., Secretary
CID[
North Carolina Depanment of Environment and Natural Resources
O -�
Alan W. Klimek, P.E. Director
Division of Water Quality
October 13, 2006
Neuse Builders, Inc.
Attn: Mr. Pat McCullough
604 East Main Street
Havelock, NC 28532
Subject:: Stormwater Permit No. SW7960803
Neuse Builders Development
Craven County
Dear Mr. McCullough:
The Division of Water Quality issued a Coastal Stormwater Management Permit, Number SW7960803
for Neuse Builders Development on December 31, 1997. This permit expires on December 31, 2007.
Section .1003(h) of 15 A NCAC 2H .1000 (the stormwater rules) requires that applications for permit
renewals shall be submitted 180 days prior to the expiration of a permit and must be accompanied by a
processing fee, which is currently set at $420.00. If this is still an active project please complete and
submit the enclosed renewal application in a timely manner. If this project has not been constructed
and a permit is no longer needed, please submit a request to have the permit rescinded. If you have
sold the project, or are no longer the permittee, please provide the name, mailing address and phone
number of the person or entity that is now responsible for this permit. Enclosed is a form for change of
ownership, which should be completed and submitted if the property has changed hands.
Your permit requires that upon completion of construction and prior to operation of the permitted
treatment units a certification of completion be submitted to the Division from an appropriate designer
for the system installed. This is to certify that the permitted facility has been installed in accordance with
the permit, the approved plans, specifications and supporting documentation. Please include a copy of
the certification with your permit renewal request and processing fee. Enclosed is a copy of a sample
certification. Also enclosed is a new Operation and Maintenance agreement that should be completed
and submitted along with your renewal application.
You should be aware that failure to provide the Designer's Certification and the operation of a
stormwater treatment facility without a valid permit, are violations of NC General Statute 143-215.1 and
may result in appropriate enforcement action including the assessment of civil penalties of up to
$10,000 per day.
If you have any questions, please feel free to contact us at 252-946-6481.
Aincer y
LL.
Al Hodge, Regional Supervisor
Surface Water Protection Section
Washington Regional Office
Enclosures
cc: Avolis Engineering
,-VVashington Regional Office
North Carolina Division of Water Quality Internet: www.neavateroualitv.ore One
943 Washington Square :Nall Phone (252) 946-6481 NorthCarohna
Washington, NC 27889 Fax (252) 946-9215 a imal/y
An Equal Opportunity/Affrmalive Action Employer- 50%Recycled110% Post Consumer Paper l/L [{
State of North Carolina
Department of Environment
and Natural Resources
Washington Regional Office
James B. Hunt, Jr., Governor
Wayne McDevitt, Secretary
DIVISION OF WATER QUALITY
December 31, 1997
Neuse Builders, Inc.
Attn: Mr. Pat McCullough
604 East Main Street
Havelock, NC 28532
Dear Mr. McCullough:
��y e� �I/3U�U7
Subject: Permit No. SW7960803
Neuse Builders Development
High Density Stormwater Project
Craven Countv
The Washinqton Regional Office received the completed
Stormwater Application for the subject project on December 24,
1997. 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. SW7960803 dated December 31, 1997 to Neuse Builders,
Inc.
This permit shall be effective from the date of issuance until
December 31, 2007 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.
943 Washington Square Mall, Washington. North Carolina 27889 Telephone 919-946-6481 FAX 919-975-3716
An Equal Opportunity Affirmative Action Employer
Neuse Builders, Inc.
December 31, 1997
Page Two
If you have any questions, or need additional information
concerning this matter, please contact Bill Moore at (919) 946-
6481, extension 264.
Sincerely,
-{_Roger K. Thorpe
Water Quality Supervisor
Washington Regional Office
cc: Avolis Engineering
Cr ven County Inspections
,ashington Regional Office
Central Files
m
State Stormwater Management Systems
Permit No. SW7960803
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
STATE STORMWATER MANAGEMENT PERMIT
HIGH DENSITY DEVELOPMENT
In 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
Neuse Builders, Inc.
Craven County
FOR THE
construction, operation and maintenance of stormwater management
systems 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 for a wet
detention pond to serve Neuse Builders Development located near New
Bern, NC.
This permit shall be effective from the date of issuance until
December 31, 2007 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 4 of this permit, the
Project Data Sheet.
3. Approved plans and specifications for this project are
incorporated by reference and are enforceable parts of the
permit.
3
DIVISION OF WATER QUALITY
PROJECT DATA
Project Name:
Permit Number:
Location:
Applicant:
Mailing Address:
Application Date:
Water Body Receiving Stormwater
Runoff:
Classification of Water Body
Pond/Basin Depth:
Total Site Area:
Total Imper. Surfaces Allowed:
Required Surface Area:
Provided Surface Area:
Required Storage Volume:
Provided Storage Volume:
Controlling orifice:
Neuse Builders Development
SW7960803
Craven County
Neuse Builders, Inc.
604 East Main St.
Havelock, NC 28532
9/04/96; original
12/24/97; complete
Haywood Creek
C
4.0 feet
18.28 acres
5.83 acres
22,158 sq ft
22,158 sq ft
28,723 cubic feet
28,723 cubic feet
3.0 inch
4
4. No homeowner/lot owner/developer shall be allowed to fill in,
alter, or pipe any vegetative practices (such as swales) shown
on the approved plans as part of the stormwater management
system without submitting a revision to the permit and
receiving approval from the Division.
5. 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.
In addition, the Director may determine that other revisions
to the project should require a modification to the permit.
6. The Director may notify the permittee when the permitted site
does not meet one or more of the minimum requirements of the
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.
II. SCHEDULE OF COMPLIANCE
1. The permittee will comply with the following schedule for
construction and maintenance of the stormwater management
system.
a. The stormwater management system shall be constructed in
its entirety, vegetated and operational for its intended
use prior to the construction of any built -upon surfaces
except roads.
b. During construction, erosion shall be kept to a minimum
and any eroded areas of the system will be repaired
immediately.
2. The facilities must be properly maintained and operated at all
times. The approved Operation and Maintenance Plan must be
followed in its entirety and maintenance must occur at the
scheduled intervals.
3. The permittee shall at all times provide the operation and
maintenance necessary to assure the permitted stormwater
system functions at optimum efficiency including, but not
limited to:
5
a. Semiannual scheduled inspections (every 6 months)
b. Sediment removal
C. Mowing and revegetation of side slopes
d. Immediate repair of eroded areas
e. Maintenance of side slopes in accordance with approved
plans and specifications
f. Debris removal and unclogging of outlet structure,
orifice device and catch basins and piping.
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. 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 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. Mail the Certification to the
Washington Regional Office, 943 Washington Square Mall,
Washington, North Carolina, 27889, attention Division of Water
Quality.
7. A copy of the approved plans and specifications shall be
maintained on file by the Permittee for a minimum of five
years from the date of the completion of construction.
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 143-215.6(a) to 143-215.6(c).
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.
6
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 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 31 st day of December, 1997.
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
r
A. Preston Howard,; 7r., P.E., Director
L Division of water Quality
By Authority of the Environmental Management Commission
Permit Number SW7960803
7
Neuse Builders, Inc.
Neuse Builders Development
Craven County
Stormwater Permit No. SW7960803
Designer's Certification
I,
, 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,
for
(Project)
(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.
Signature
Registration Number
Date
0
12/24/1997 09:37
9194472579
NEUSE BUILDERS OF NB
PAGE 01
STORWATM DUT&NTION POND NAINTENAME rLaN
NED$Z BUILDERS 02VELODKENT
NEW BERN, NORTH CAROLINA
The project owner will be reeponsibl.e for pxcviding meintanance of the stormwater
detention pond required for the Nsusa Builders Development in Now barn, North
Carolina.
lS.44Li_iog, Maint na_nrs
1• The side slopes and ambankment of this wet pond ..at be mowed at least
twice a year to prevent woody growth and to control weeds, Here frequent
mowing may be deemed necessary in order to enhance the appearance of the
site.
a• The wet pond must be inapected on an annual basis to ensure that the
structure is operated in the manner originally intended, When possible,
inspections shoulq be conducted during wet weather to determine if the
pond i* funot-ioning properly. Inspection priorities should include.
checking the embankment far auboidancs, erosion, cracking and tree growth;
the condition of the emergency spill way and drain; the accumulation of
sediment, clogging of the barrel and outlet, adequacy of upatvaam and
downstream channel erosion protection measures) any modifications which
have occurred to the contributing watershed for the pond structuraj and
the Stability of the aid* slopes. This inspection should be carried out
With as -built pond plans in hand.
3. As 9 part of the periodic mowing opsrRtiona, debris and litter should be
removod from this surface of the pond, particular attention should be paid
to floatable debris around the riser. The outlet should be checked for
possible clogging.
4. The pond side slopes, emergency spill way and embankment all may
periodically suffer from slumping and erosion, CorrectiVO measures such
As regrading and revegetation may be necessary. Similarly, the rip -rap
Protecting the channel au the outlet may need to be rapairsd or replaced.
5• Sediment ramoval from the pond shall ocour when it has acauroulated to a
depth of 1 foot in the detentlon pond forebay areas. This depth shall be
referenced by a grado stake placed in each of the ferebays.
ie r
Owner: Date ..'
20'd 6LS22,00 01 'U d 4JN1633NIONB 5I-1001 W0b:1 WdSS;vfii b561-M-7T
L
"SHIINGTOIN orc'fFK
DIVISION OF ENVIRONMENTAL MANAGEMENT SEP 0 4 1996
NORTH CAROLINA STORMWATER MANAGEMENT PERMIT APPLICATION
D. E. M,
I. GENERAL INFORMATION:
1. Project Name: NEUSE BUILDERS DEVELOPMENT
2. Project Location: (County, state Road, Address) CRAVEN COUNTY, ACADEA1IC DRIVE,
NEW BERN, NC
3. owner's Name: NEUSE BUILDERS. INC. Phone: (919) 447-OB65
4. Mailing Address: 604 EAST M4IN STREET
City HAVELOCK State NC zip 28532
5. Application Date: JUNE 17 1996 Fee Submitted: $335.00
7. Nearest Receiving Stream: HAYWOOD CREEK Class:
8. Project Description: SINGLE FAMILY AND MULTIFAMILY DEVELOPNENT
YvCV• /Z/6�17/
II; PERMIT INFORMATION /SS. /Z/Z 3l92
1. Permit No. (will be completed by DEM): SW 7960 90S
2. Permit Type: X New Renewal
Modification (existing permit no.)
3. Project Type: Low Density X Detention
Infiltration Other
4. Other State/Federal Permits/Approvals Required:
(Check appropriate blanks)
X Sediment/Erosion Control CAMA Major 404 Permit
III. PROJECT BUILT UPON AREA
Drainage Drainage
Basin Basin
Classification --
Allowable Impervious 30% 30%
Total Project Area 6.4 AC. 11.88-AC
Proposed Impervious 2.27 ACC. (_356 AC.
8 Impervious Area 35.4729.97Y
APARTMENTS DUPLEXES
Breakdown of Impervious Areas
Buildings 0.92 / 1.87
Roads 0.26 / 0.53
Parking
Other _
Totals
0.77
0.24
3.41
IV. STORMWATER TREATMENT (Describe how runoff will be treated):
ALL STOM ATER WILL BE COLLECTED AND ROUTED THRO M A STORMdATER DETENTION POND. DISCHARGE OF
POND WILL BE TO EXISTING DRAINAGEWAYS.
V. DEED RESTRICTIONS AND PROTECTIVE COVENANTS
Deed restrictions and protective covenants are required for all low density projects and
all subdivisions prior to the sale of any lot. Please see Attachment A for specific
requirements.
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 covenant cannot be changed
or deleted without concurrence from the State, and that they will be recorded
prior to the sale of any lot.
OWNER'S CERTIFICATION
I, PAT fULLLO" certify that the
(Please print name clearly)
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 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.
I authorize the below named pers 6 or firm to submit stormwater plans on my
behalf.
PAT fULLLWT
Owner/Authorized Agent Sig: Date
AUTHORIZED AGENT
Person or Firm Name: AVOLIS ENGINEERING, P.A.
Mailing Address: P.O. BOX 15564
City NEW BERN state NC yip 2561
Phone: (919) 633-0068
Please submit application, fee and plans to appropriate Regional Office.
(see attached map)
-2-
ATTACHMENT A
LOW DENSITY PROJECTS
GENERAL SUBMITTAL REQUIREMENTS
1. A completed coastal stormwater permit application.
2. Two sets of plans showing north arrow, scale, revision date,
property/project boundaries clearly marked, contours, drainage basins, mean
high water line, wetlands, easements, a minimum 30' buffer between surface
waters and proposed impervious areas, and road cross -sections.
3. Calculations of the built -upon area. For subdivisions, please show the
methodology for arriving at the per lot built -upon area. For non -
subdivision projects, break down the calculation into buildings, roads,
parking and other (include all impervious areas).
4. Low Density projects with curb and gutter will require:
- drainage basins and swale locations delineated on plans
- detail of swales (minimum 100 1.£. and 5:1 side slopes)
- velocity calculations
- inlet -outlet elevations
- type of grass cover
DEED RESTRICTION REQUIREMENTS
NOTES:
The following items must be included for all low density projects:
No more than 3,432 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, not including wood decking or the
water surface of swimming pools. This covenant is intended to ensure
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.
1. If lot sizes vary significantly, owner should provide attachment with lot
number, size and allowable impervious area for each lot.
2. No one may fill in or pipe any roadside swales or lot line swales, except
as necessary to provide a driveway crossing.
3. For curb and gutter projects, no one may pipe, fill in or alter any lot line
swale used to meet North Carolina Stormwater Permit requirements.
REGIONAL OFFICES
North Carolina Department of Environment, Health, and Natural Resources
Winston-Salem Raleigh Washington
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ASHEVILLE
MOORESMU
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RALEIGH
159 WoodOn Place
919 M Main St.
585 Woughtostn St.
3800 Barrett Dr.
Ashefille, NC 28801
Mooresville, NC
Winston-Salem, NC
Raleigh, NC 27609
704-251-6208
7(4-663-1699
27107
919-5714700
FAX: 704-251-6452
FA7i: 703463-6040
910-7714000
FAJ 919-5714718
FAX: 910-7714633
FAYErFEVILLE
WHA1INGTON
WASHINGTON
225 Greene St.
127 Cardinal Dr.
1424 Carolina Ave.
Fayetteville, NC
Wilmington, NC
Washington, NC
28301
28405
27889
910486-1541
910-3953900
919-9466481
FAX: 91048G0707
FAX: 910-350-2004
FAX: 9194753716
12-19-1994 04:10PM FROM RVOLIS ENGINEERING' P.R. TO 9753716 P.01
AVOLIS ENGINEERING, P.A.
P.O. Box 5564 . Now Bern, North Carolina 28561 • (919) 633-0068
FAX COVER SHEET
DATE: L2,11-f 1
10
TO: se. gi//y/ete�
COMPANY: A)GDA5516m
FAX NO.: "2 ft;, � PHONE NO.:
NUMBER OF P-A�jG-ES (INCLUDING COVER):
FROM: Ayoli:
FAX NO.: (919) 633-6507)
COMMENTS:
RECEIPT (PHONE CONF
YES
NO_C�
12-19-1994 04:10PM FROM RUOLIS ENGINEERING' P.A. TO 9753716 P.02
DIVISION OF ENVIRON[sVIAL NANAGEMF,NT
NORTH CAROLINA STORMWATER MANAGEMENT PERMIT APPLICATION
I. GENERAL INFORMATION:
1. FrojectName: NEUSE BUILDERS DE%aOPhINT
2. Project Location: (count)`, state Road, address) CRAVEN CWMY, ACADD1IC DRIVE,
3. Ownor'a Names NRLSE BUIL.00, M. Phones (919) 447-0866
4. Mailing Address: 604 EAST PAIN STREET
City HAVELOCK state NC Zip 2B532
S. Application Date: JM 17, 1996 Fee submitted: .4,385.00
7. Nearest Receiving stream: FAYld00D CREEK class_
S. Project Description: SI}M{E FAMILY AND KLTIFAMILY CEg..9aF1R
II: PERMIT INFORMATION f,� /S�sus I Z/Ti3/9�
1. Permit No. (will be completed by DEM) : SC,/ % pIKOJ� 151-3
2. Permit Sypa: X New Renewal
Modification (existing permit no.
3. Project Type!
Law Density
Infiltration
4. other State/Federal Permits/Approvals Required:
(Check appropriate blanks)
X Detention
Other
X sediment/Erosion Control CAMA Major
III. 'PROJECT BUILT UPON AREA
claeailication
Allowable Impervious
Total Project Area
Proposed impervious
% Impervious Area
Drainage Drainage
Basin Basin
30%
6.4 AC.
2.27 AC.
35.47q,
n9n1WALI�
404 Permit
Rr-eakdown of -mnerv_oueAAr4a6
Buildings 0.92 / 1,87
330% Roads
0.26 / 0.53
11.88 AC. /8. 7S Parking
1.0910.92
3.56 PC. 67 other
-- / 0.24
29.97% 3/•9% Totals
2.27/3.56
DUPLEXES �—
APARTFUNTS/DUPLEXES
TOTAL P.02
AVOLIS ENGINEERING, P.A.
1J P.O. Box 5564 • New Bern, North Carolina 28561 • (919) 633-0068
RECEIVED
WASHINGT% Orci(.p
June 28, 1996
Mr. Bill Moore SEP04W6
Environmental Engineer
Division of Environmental Management D. L M,
NC Department of Environment,
Health, and Natural Resources
Water Quality Section
1424 Carolina Avenue
Washington, NC 27889
RE: Neuse Builders Development, New Bern, NC
Dear Bill:
Attached please find the Stormwater Permit Application, supporting
calculations and project plans associated with the planned
construction of the Neuse Builders Development in New Bern, North
Carolina. An engineered stormwater system is proposed for the
project. it is requested that the project plans and permit
application be reviewed and approved at your earliest convenience.
Should you have any questions or need any additional information,
please do not hesitate to call.
Sincerely,
n Avblis,
ice President
State of North Carolina
Department of Environment,
Health and Natural Resources
Washington Regional Office
Janes S. Hunt, Jr., Governor
Jonathan B. Howes, secretary
DIVISION OF WATER QUALITY
August 22, 1996
Mr. Patrick McCullough
604 East Main St
Havelock, NC 28532
Subject: Application No. SW7960803
Neuse Builders, Inc.
Craven County
Dear Mr. McCullough:
The Washington Regional Office acknowledges receipt of your
permit application and supporting information on August 12, 1996.
This application has been assigned the number listed above.
A preliminary review of your project has been completed. The
following additional information is needed before a permit can be
issued:
- stormwater application and appropriate fee
- site plan showing stormwater controls and details
- stormwater calculations
- operation and maintenance agreement
The above information must be submitted within 30 days, or
your application will be returned as incomplete. If you have
questions, please feel free to contact. me at (919) 946-6481,
extension 264.
Si/nce/rely,
-
William J. M re
Environmental Engineer
Washington Regional Office
cc: Av lis Engineering
Xashington Regional Office
1424 Carolina Avenue, Washington, NC 27889 Telephone (919) 946-6481 FAX (919) 975-3716
An Equal Opportunity Affirmative Action Employer 50% recycled / 10% post-consu r paper
STORMWATER DETENTION POND DESIGN
NEUSE BUILDERS DEVELOPMENT
ACADEMIC DRIVE
NEW BERN, NC
Prepared for:
Neuse Builders, Inc.
604 East Main Street
Havelock, NC 28532
(919) 447-0865
Prepared by:
Aeolis Engineering, P.A.
Post Office Box 15564
New Bern, NC 28562
August 30, 1996
'�sfPN C. 0
' ��1:1 d 1, 1
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I
TABLE OF CONTENTS
I. Introduction...............................................1
II. Drainage Volume Calculations...............................2
III. Stormwater Collection System...............................2
IV. Detention Pond.............................................3
V. outlet Stabilization.......................................3
Appendix
Appendix A - Calculations
'
ii
I. INTRODUCTION
This project involves the development of a 17.2 acre tract
located in New Bern, North Carolina into a planned development
consisting of an apartment complex and a duplex residential
development. The majority of the site will be altered by land
grading or improvement activities.
Basically, the site is bisected more or less by a residential
collector road which will be constructed to access this project
as well to eventually access other land beyond the project site.
The property on the northern side of the collector road is
proposed to be developed as a residential duplex development.
This residential development will have curb and gutter streets
but will meet the low density criteria (29.97% built -upon area).
Approximately two-thirds of the duplex area is proposed to drain
to a large existing drainage ditch along the northern side of the
property as shown on the enclosed drainage basin map. A portion
of the proposed runoff entering this ditch will originate from
the curb and guttered street section. The runoff from the curb
and guttered section of street is proposed to be filtered through
100 LF of 5:1 side slope grass swale prior to transitioning to
270 LF of 3:1 side slope grass swale for additional filtration
prior to entering the existing drainage ditch.
The remaining one-third of the duplex area will drain into a
relatively wide wetland area located along the northwestern
property line of the site. The wetland area will provide
filtration of the discharged stormwater. In addition, this
runoff will be discharging into the proposed stormwater detention
pond.
' In summary, as much of the stormwater as possible from the duplex
portion of the development is proposed to be discharged into an
existing drainage ditch to take advantage of the low -density
status of this portion of the development. The discharged
stormwater however, will be filtered through grass -lined drainage
swales.
All of the stormwater runoff from the apartment complex portion
' of the development will be routed through the stormwater
1
detention pond. All of the stormwater runoff from the apartment
complex will be transported to the detention pond via grass -lined
' drainage swales.
' An undeveloped parcel exists at the southeastern corner of the
property. That site is not going to be developed at this time;
however, an allowance of 50% built -upon area is made for that
e parcel in the drainage calculations. Stormwater from that parcel
would be filtered through approximately 800 LF of grass -lined
drainage swale prior to discharging into the stormwater detention
pond.
A Lastly, approximately 7.2 acres of adjacent undeveloped property
will be discharging into the stormwater detention pond, of which
approximately one-half is a wooded wetland area. No allowance
for built -upon area is made for these areas since there
stormwater impacts will be addressed separately when these
projects are developed.
H. DRAINAGE VOLUME CALCULATIONS
The calculations for the design drainage volumes are shown in
Appendix A. Stormwater runoff calculations are based on the
rational formula using widely accepted runoff coefficients
obtained from Elements of Urban Stormwater Design, H.R. Malcolm,
1989.
M. STORMWATER COLLECTION SYSTEM
Stormwater from the residential duplex portion of this project
will be collected via curb and gutter street sections. All
stormwater runoff will be treated by filtration through grass
drainage swales as previously discussed.
' Stormwater from the apartment complex portion of the project will
' sheet flow into grass drainage swales prior to discharging to the
stormwater detention ponds.
i
2
II
1
i
1
1
1
1
F
i
1
1111
1
1
1
1
e
1
IV. DETENTION PONDS
The stormwater detention pond is designed to completely hold the
runoff associated with the one -inch rainfall event. The outlet
orifice is sized to draw the 1" storm runoff volume down to the
permanent pool elevation in 2.5 days. The stormwater detention
pond is most sensitive to the 90-minute storm duration for the
10-year storm. The peak outflow is 14.09 CFS and the peak stage
is 23.611, 1.81 feet above permanent pool elevation. The
detention pond will bypass storms greater than the 25-year storm
(23.801 stage).
The pond is designed with 4:1 side slopes above the permanent
pool elevation and 4:1 side slopes below the permanent pool
elevation as indicated on the project plans. An aquatic bench
with a slope of 1:12 exists around the perimeter of the pond.
The riser and barrel are each anchored against buoyancy. The
permanent pool depth is four feet. The riser and orifice are
each protected against debris interference. Rip -rap protection
is provided for the two barrel outlets. The stormwater detention
pond is sized for 90% TSS removal based on the SA/DA tables as
outlined in the calculations.
V. OUTLET STABILIZATION
The Erosion and Sedimentation Control Planning and Design Manual
was used to determine the appropriate rip -rap size, thickness and
geometric arrangements to stabilize the barrel outlets as
outlined in the calculations in Appendix A.
1
3
iSTORMWATER DETENTION POND MAINTENANCE PLAN
NEUSE BUILDERS DEVELOPMENT
NEW BERN, NORTH CAROLINA
The project owner will be responsible for providing maintenance of the stormwater
detention pond required for the Neuse Builders Development in New Bern, North
Carolina.
Routine Maintenance
' 1. The side slopes and embankment of the wet pond must be mowed at least
twice a year to prevent woody growth and to control weeds. More frequent
' mowing may be deemed necessary in order to enhance the appearance of the
site.
' 2. The wet pond must be inspected on an annual basis to ensure that the
structure is operated in the manner originally intended. when possible,
inspections should be conducted during wet weather to determine if the
a pond is functioning properly. Inspection priorities should include:
checking the embankment for subsidence, erosion, cracking and tree growth;
the condition of the emergency spill way and drain; the accumulation of
sediment, clogging of the barrel and outlet; adequacy of upstream and
downstream channel erosion protection measures; any modifications which
have occurred to the contributing watershed for the pond structure; and
' the stability of the side slopes. This inspection should be carried out
with as -built pond plans in hand.
3. As a part of the periodic mowing operations, debris and litter should be
removed from the surface of the pond. Particular attention should be paid
to floatable debris around the riser. The outlet should be checked for
possible clogging.
4. The pond side slopes, emergency spill way and embankment all may
periodically suffer from slumping and erosion. Corrective measures such
1 as regrading and revegetation may be necessary. Similarly, the rip -rap
protecting the channel at the outlet may need to be repaired or replaced.
5. Sediment removal from
the pond shall
occur when it has accumulated to a
depth of 1 foot in the
detention pond
forebay areas. This depth shall be
referenced by a grade
stake placed in
each of the forebays.
i
1
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Date
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z4 --+
POND-2 Version: 5.17
S/N:
Paae 1
EXECUTED: 08-28-1996
13:48:27
e
*
*
ACADEMIC
*
DRIVE HOUSING & APARTMENT COMPLEX
*
NEW BERN, NC
*
NEUSE BUILDERS
*
*
Inflow Hydrograph:
AC090010.HYD
Rating Table file:
AC_ADEMIC.PND
-- - -INITIAL CONDITIONS----
Elevation
= 21.80
ft
Outflow
= 0.00
cfs
'
Storage
=
0 cu-ft
INTERMEDIATE ROUTING
COMPUTATIONS
- --- --GIVEN-POND
-DATA --
---
----
ELEVATION
OUTFLOW
STORAGE
2S/t 2S/t
+ 0
(ft)
(cfs)
(cu-ft)
(cfs) (cfs)
---21.80-
-----0.0-
---------0 --------
0.0----------
0.0-
21.90
0.0
2,219
7.4
7.4
22.00
0.0
4,464
14.9
14.9
'
22.10
0.0
6,734
22.4
22.4
22.20
0.0
9,029
30.1
30.1
22.30
0.0
11,350
37.8
37.8
'
22.40
0.0
13,696
45.7
45.7
22.50
0.0
16,068
53.6
53.6
22.60
0.0
18,466
61.6
61.6
22.70
0.0
20,890
69.6
69.6
22.80
0.3
23,340
77.8
78.1
22.90
1.3
25,817
86.1
87.4
'
23.00
23.10
2.8
4.5
28,320
30,850
94.4
102.8
97.2
107.3
23.20
6.5
33,407
111.4
117.9
23.30
8.8
35,990
120.0
128.8
23.40
11.2
38,601
128.7
139.9
23.50
13.2
41,238
137.5
150.7
23.60
14.0
43,903
146.3
160.3
23.70
14.8
46,596
155.3
170.1
23.80
15.6
49,316
164.4
180.0
23.90
16.3
52,064
173.5
189.8
'
24.00
24.10
17.0
17.6
54,840
57,644
182.8
192.1
199.8
209.7
24.20
18.3
60,477
201.6
219.9
24.30
18.9
63,338
211.1
230.0
24.40
19.5
66,226
220.8
240.3
24.50
20.1
69,145
230.5
250.6
24.60
20.6
72,091
240.3
260.9
24.70
24.80
21.2
21.7
75,067
78,071
250.2
260.2
271.4
281.9
--------=---------------------
--------------------------
I
I
1
O
1
1
1
1
EXECUTED
DISK FILES
08-28-1996 13:48:27
AC090010.HYD ; ACADEMIC.PND
GIVEN POND DATA
ELEVATION
OUTFLOW
STORAGE
(ft)
---------
(cfs)
---------
(cu-ft)
24.90
22.2
----------
81,105
25.00
22.7
84,169
25.10
23.2
87,261
25.20
23.7
90,383
25.30
24.2
93,535
25.40
24.7
96,715
25.50
25.1
99,926
25.60
25.6
103,167
25.70
26.0
106,438
25.80
26.5
109,739
25.90
26.9
113,070
26.00
------------------------------
27.3
116,431
Page 2
INTERMEDIATE ROUTING
COMPUTATIONS
2S/t
2S/t + 0
(cfS)
(cfs)
------------
270.3
-------------
292.5
280.6
303.3
290.9
314.1
301.3
325.0
311.8
336.0
322.4
347.1
333.1
358.2
343.9
369.5
354.8
380.8
365.8
392.3
376.9
403.8
388.1
--------------------------
415.4
Time increment (t) = 10.0 min.
I
POND-2 Version: 5.17 SIN:
EXECUTED: 08-28-1996 13:48:27
Pond File: ACADEMIC.PND
'Inflow Hydrograph: AC090010.HYD
Outflow Hydrograph: OUT HYD
Page 3
INFLOW HYDROGRAPH
------------------
ROUTING
COMPUTATIONS
TIME
INFLOW
------------------------------------------------------
I1+I2
2S/t - 0
2S/t + 0
OUTFLOW
ELEVATION
(min)
--------
(cfs)
---------
(cfs)
(cfs)
(cfs)
(cfs)
(ft)
5.0
5.47
---------
-----
------------
0.0
-----------
0.0
---------
0.00
---------
21.80
15.0
16.40
21.9
21.9
21.9
0.00
22.09
25.0
16.40
32.8
54.7
54.7
0.00
22.51
35.0
16.40
32.8
84.8
87.5
1.32
22.90
45.0
16.40
32.8
104.7
117.6
6.46
23.20
55.0
16.40
32.8
116.1
137.5
10.69
23.38
65.0
16.40
32.8
123.2
148.9
12.88
23.48
75.0
16.40
32.8
128.7
156.0
13.64
23.55
85.0
16.40
32.8
133.3
161.5
14.09
23.61
95.0
10.94
27.3
132.6
160.6
14.02
23.60
105.0
-----------------
0.00
10.9
------------------------------------------------------
119.8
143.5
11.88
23.43
I
POND-2 Version: 5.17 SIN:
EXECUTED: 08-28-1996 13:48:27
1
Page 4
S****************** SUMMARY OF ROUTING COMPUTATIONS ******************
Pond File: ACADEMIC.PND
Inflow Hydrograph: AC090010.HYD
Outflow Hydrograph: OUT .HYD
Starting Pond W.S. Elevation =
21.80 ft
***** Summary of Peak Outflow and Peak Elevation *****
Peak Inflow = 16.40 cfs
Peak Outflow = 14.09 cfs
Peak Elevation = 23.61 ft
***** Summary of Approximate Peak Storage *****
Initial Storage = 0 cu-ft
Peak Storage From Storm = 44,221 cu-ft
---------------
Total Storage in Pond = 44,221 cu-ft
Warning: Inflow hydrograph truncated on left side.
POND-2 Version: 5.17
S/N:
Page 5
Pond File:
ACADEMIC.PND
'
Inflow Hydrograph:
Outflow Hydrograph:
AC090010.HYD
OUT HYD
EXECUTED:
08-28-1996
Peak Inflow
16.40
cfs
13:48:27
Peak Outflow =
14.09
cfs
Peak Elevation =
23.61
ft
Flow (cfs)
0.0 2.0 4.0 6.0
.------I-----I-----I
8.0
-----I
10.0 12.0 14.0
-----I-----I-----I-----
16.0 18.0
I-----I-----
20.0 22.0
I-----I-
�0.0
-
x
x
20.0
-
x
x
0.0
-
x
x
0.0
-
x
(0.1
x
*
-
x
F0.1
-
x
x
x
70.1
-
x
x
0.1
-
x
x
90.1
-
*x
* x
00.2-
*
x
'
TIME
(min)
File: AC090010.HYD
Qmax
= 14.1 cfs
tx
*
File: OUT HYD
Qmax
= 16.4 cfs
1
1
i
POND-2 Version: 5.17
SIN:
Page 1
'
EXECUTED: 08-28-1996
13:49:23
*
ACADEMIC
DRIVE HOUSING & APARTMENT COMPLEX
*
NEW BERN, NC
*
NEUSE BUILDERS
Inflow Hydrograph:
AC080025.HYD
Rating Table file:
ACADEMIC.PND
'
----INITIAL CONDITIONS ----
Elevation
= 21.80 ft
Outflow
= 0.00
cfs
'
Storage
=
0 cu-ft
INTERMEDIATE
ROUTING
'
GIVEN
POND
DATA
COMPUTATIONS
-----
ELEVATION
- --------------
OUTFLOW
----
STORAGE
-
2S/t
---------
2S/t
+ 0
'
--(ft) -
-(cfs)
(cu_ft)
-(cfs)
(cfs)
21.80
0.0
0
0.0
0.0
21.90
0.0
2,219
7.4
7.4
22.00
0.0
4,464
14.9
14.9
22.10
0.0
6,734
22.4
22.4
22.20
0.0
9,029
30.1
30.1
22.30
0.0
11,350
37.8
37.8
22.40
0.0
13,696
45.7
45.7
22.50
0.0
16,068
53.6
53.6
22.60
22.70
0.0
0.0
18,466
20,890
61.6
69.6
61.6
69.6
22.80
0.3
23,340
77.8
78.1
22.90
1.3
25,817
86.1
87.4
23.00
2.8
28,320
94.4
97.2
23.10
4.5
30,850
102.8
107.3
23.20
6.5
33,407
111.4
117.9
23.30
8.8
35,990
120.0
128.8
'
23.40
11.2
38,601
128.7
139.9
23.50
13.2
41,238
137.5
150.7
23.60
14.0
43,903
146.3
160.3
23.70
14.8
46,596
155.3
170.1
23.80
15.6
49,316
164.4
180.0
23.90
16.3
52,064
173.5
189.8
24.00
17.0
54,840
182.8
199.8
'
24.10
17.6
57,644
192.1
209.7
24.20
18.3
60,477
201.6
219.9
24.30
24.40
18.9
19.5
63,338
66,226
211.1
220.8
230.0
240.3
24.50
20.1
69,145
230.5
250.6
24.60
20.6
72,091
240.3
260.9
'
24.70
21.2
75,067
250.2
271.4
24.80
------------------------------
21.7
78,071
--------------------------
260.2
281.9
I
I
1
I
1
1
1
1
I
1
1
1
EXECUTED
DISK FILES
08-28-1996 13:49:23
AC080025.HYD ; ACADEMIC.PND
GIVEN POND DATA
EELEVATION
OUTFLOW
STORAGE
(ft)
---------
(cfs)
---------
(cu-ft)
24.90
22.2
----------
81,10E
25.00
22.7
84,165
25.10
23.2
87,261
25.20
23.7
90,382
25.30
24.2
93,53E
25.40
24.7
96,71E
25.50
25.1
99,92E
25.60
25.6
103,161
25.70
26.0
106,43E
25.80
26.5
109,735
25.90
26.9
113,07C
26.00
------------------------------
27.3
116,433
Page 2
INTERMEDIATE ROUTING
COMPUTATIONS
2S/t
2S/t + 0
(cfs)
------------
(cfs)
270.3
-------------
292.5
280.6
303.3
290.9
314.1
301.3
325.0
311.8
336.0
322.4
347.1
333.1
358.2
343.9
369.5
354.8
380.8
365.8
392.3
376.9
403.8
388.1
--------------------------
415.4
Time increment (t) = 10.0 min.
POND-2 Version: 5.17 SIN:
' EXECUTED: 08-28-1996 13:49:23
Pond File: ACADEMIC.PND
tInflow Hydrograph: AC080025.HYD
Outflow Hydrograph: OUT HYD
INFLOW HYDROGRAPH
TIME
INFLOW
(min)
--------
(cfs)
---------
5.0
6.60
15.0
19.79
25.0
19.79
35.0
19.79
45.0
19.79
55.0
19.79
65.0
19.79
75.0
19.79
85.0
13.19
95.0
-----------------
0.00
Page 3
ROUTING COMPUTATIONS
I1+I2
2S/t - 0
2S/t + O
OUTFLOW
ELEVATION
(cfs)
---------
(cfs)
------------
(cfs)
-----------
(cfs)
(ft)
-----
0.0
0.0
---------
0.00
---------
21.80
26.4
26.4
26.4
0.00
22.15
39.6
66.0
66.0
0.00
22.65
39.6
97.1
105.6
4.20
23.08
39.6
115.7
136.7
10.52
23.37
39.6
128.1
155.3
13.58
23.55
39.6
138.5
167.7
14.60
23.68
39.6
147.2
178.1
15.44
23.78
33.0
148.9
180.2
15.61
23.80
13.2
------------------------------------------------------
133.8
162.1
14.15
23.62
I
POND-2 Version: 5..17 S/N: Page 4
EXECUTED: 08-28-1996 13:49:23
++++++++++++++++++ SUMMARY OF ROUTING COMPUTATIONS ******************
Pond File: ACADEMIC.PND
' Inflow Hydrograph: AC080025.HYD
Outflow Hydrograph: OUT HYD
Starting Pond W.S. Elevation = 21.80 ft
***** Summary of Peak Outflow
and Peak Elevation *****
Peak Inflow =
19.79 cfs
1
Peak Outflow =
15.61 cfs
Peak Elevation =
23.80 ft
***** Summary of Approximate
Peak Storage
*****
'
Initial Storage
Peak Storage From Storm
0
49,363
cu-ft
cu_ft
Total Storage in Pond
= 49,363
cu-ft
Warning: Inflow hydrograph truncated
on left
side.
1
1
I
POND-2 Version: 5.17 S/N:
Pond File: ACADEMIC.PND
Inflow Hydrograph: AC080025.HYD
Outflow Hvdrograph: OUT HYD
Peak Inflow = 19.79 cfs
Peak Outflow 15.61 cfs
Peak Elevation = 23.80 ft
Paqe 5
EXECUTED: 08-28-1996
13:49:23
Flow (cfs)
0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0 22.0
.------I----- I ----- I ----- I ----- I ----- I ----- I ----- I ----- I ----- I ----- i-
t0.0
-
x
x
20.0
-
x
x
0.0
-
x
x
�0.0
-
00.1
-
t0.1
-
70.1
-
t0.1
-
�0.1
-
TIME
(min)
x
File: AC080025.HYD
*
File: OUT HYD
t
ca
x
Qmax = 15.6 cfs
Qmax = 19.8 cfs
2
POND-2 Version: 5.17 SIN:
EXECUTED: 08-28-1996 13:50:23
* ACADEMIC DRIVE HOUSING & APARTMENT COMPLEX
* NEW BERN, NC
* NEUSE BUILDERS
* *
+ +
Inflow Hydrograph: AC080100.HYD
Rating Table file: ACADEMIC.PND
----INITIAL CONDITIONS ----
Elevation = 21.80 ft
Outflow 0.00 cfs
Storage 0 cu-ft
- GIVEN POND DATA
----------------
ELEVATION OUTFLOW STORAGE
- If,-) (cfs) (cu_ft)
21.80
0.0
0
21.90
0.0
2,219
'
22.00
0.0
4,464
22.10
0.0
6,734
22.20
0.0
9,029
'
22.30
0.0
11,350
22.40
0.0
13,696
22.50
0.0
16,068
22.60
0.0
18,466
e
22.70
0.0
20,890
22.80
0.3
23,340
'
22.90
23.00
1.3
2.8
25,817
28,320
23.10
4.5
30,850
23.20
6.5
33,407
'
23.30
8.8
35,990
23.40
11.2
38,601
23.50
13.2
41,238
23.60
14.0
43,903
'
23.70
14.8
46,596
23.80
15.6
49,316
'
23.90
24.00
16.3
17.0
52,064
54,840
24.10
17.6
57,644
24.20
18.3
60,477
24.30
18.9
63,338
24.40
19.5
66,226
24.50
20.1
69,145
24.60
20.6
72,091
24.70
21.2
75,067
24.80
21.7
78,071
Paae ---
INTERMEDIATE
ROUTING
-------COMPUTATIONS
---------------
2S/t
2S/t + 0
(cfs)
(cfs)
-------
0.0
--------
0.0
7.4
7.4
14.9
14.9
22.4
22.4
30.1
30.1
37.8
37.8
45.7
45.7
53.6
53.6
61.6
61.6
69.6
69.6
77.8
78.1
86.1
87.4
94.4
97.2
102.8
107.3
111.4
117.9
120.0
128.8
128.7
139.9
137.5
150.7
146.3
160.3
155.3
170.1
164.4
180.0
173.5
189.8
182.8
199.8
192.1
209.7
201.6
219.9
211.1
230.0
220.8
240.3
230.5
250.6
240.3
260.9
250.2
271.4
260.2
--------------------------
281.9
I
EXECUTED
' DISK FILES
1
08-28-1996 13:50:23
AC080100.HYD ; ACADEMIC.PND
GIVEN POND DATA
ELEVATION
OUTFLOW
STORAGE
(ft)
(cfs)
(cu-ft)
---------
24.90
---------
22.2
----------
81,105
25.00
22.7
84,169
25.10
23.2
87,261
25.20
23.7
90,383
25.30
24.2
93,535
25.40
24.7
96,715
25.50
25.1
99,926
25.60
25.6
103,167
25.70
26.0
106,438
25.80
26.5
109,739
25.90
26.9
113,070
26.00
------------------------------
27.3
116,431
Page 2
INTERMEDIATE ROUTING
COMPUTATIONS
2S/t
2S/t + 0
(cfs)
(cfs)
------------
270.3
-------------
292.5
280.6
303.3
290.9
314.1
301.3
325.0
311.8
336.0
322.4
347.1
333.1
358.2
343.9
369.5
354.8
380.8
365.8
392.3
376.9
403.8
388.1
--------------------------
415.4
Time increment (t) = 10.0 min.
d
POND-2 Version: 5.17 SIN:
' EXECUTED: 08-28-1996 13:50:23
Pond File: ACADEMIC.PND
Inflow Hydrograph: AC080100.HYD
Outflow Hydrograph: OUT HYD
Page 3
INFLOW HYDROGRAPH
--
----------------
ROUTING
-------------
COMPUTATIONS
--------------
-----------
TIME
INFLOW
I1+12
2S/t 0
2S/t + 0
OUTFLOW
ELEVATION
(min)
(cfs)
(cfs)
(cfs)
(cfs)
(cfs)
(ft)
5.0
8.42
-----
0.0
0.0
0.00
21.80
15.0
25.26
33.7
33.7
33.7
0.00
22.25
25.0
25.26
50.5
82.3
84.2
0.96
22.87
'
35.0
25.26
50.5
113.5
132.8
9.67
23.34
45.0
25.26
50.5
135.4
164.0
14.30
23.64
55.0
65.0
25.26
25.26
50.5
50.5
153.9
169.8
185.9
204.4
16.02
17.28
23.86
24.05
75.0
25.26
50.5
183.7
220.3
18.33
24.20
85.0
16.84
42.1
188.5
225.8
18.65
24.26
---95-0---------00
----16-8--------170-7------------3----17.33
---------
2 4.06
7
L
7
�I
1
1
1
1
1
0
POND-2 Version: 5.17 SIN:
EXECUTED: 08-28-1996 13:50:23
Page 4
****x************* SUMMARY OF ROUTING COMPUTATIONS ************+*****
'
Pond File: ACADEMIC.PND
Inflow Hydrograph: AC080100.HYD
Outflow Hydrograph: OUT HYD
Starting Pond W.S. Elevation = 21.80
ft
***** Summary of Peak Outflow
and Peak Elevation *****
'
Peak Inflow
Peak Outflow
25.26 cfs
18.65 cfs
Peak Elevation =
24.26 ft
*****
*****
Summary of Approximate
Peak Storage
Initial Storage
0 cu-ft
'
Peak Storage From Stone
62,144 cu-ft
tTotal
Storage in Pond
---------------
= 62,144 cu-ft
Warning: Inflow hydrograph truncated
on left side.
1
I
POND-2 Version: 5.17 SIN:
Pond File: ACADEMIC.PND
Inflow Hydrograph: AC080100.HYD
Outflow Hydrograph: OUT HYD
Peak Inflow = 25.26 cfs
' Peak Outflow = 18.65 cfs
Peak Elevation = 24.26 ft
Page 5
EXECUTED: 08-28-1996
13:50:23
e Flow (Cf S)
0.0 3.0 6.0 9.0 12.0 15.0 18.0 21.0 24.0 27.0 30.0 33.0
�10.0 - x
x
20.0 - x
x
30.0 -
140.0 -
50.1 -
160.1 -
70.1 -
180.1 -
90.1 -
TIME
(min)
x File:
* File:
x
*
x
x
x
x
x
x
x
x
x
x
*
x
*
x
AC080100.HYD Qmax = 18.6 cfs
OUT HYD Qmax = 25.3 cfs
cv