SW8950506_Historical File_19950725 (2)

..'6 '5rA7E`f
State of North Carolina
Department of Environment, Health, and Natural Resources
Wilmington Regional Office
James B. Hunt, Jr., Governor DIVISION OF ENVIRONMENTAL MANAGEMENT Bob Jamieson
Jonathan B. Howes, Secretary WATER QUALITY SECTION Regional Manager
July 25, 1995
•
Mr. S. Keith Cooper
•
Landfall Associates
Post Office Box 5368
Wilmington, North Carolina 28403
Subject: CERTIFICATION OF COMPLIANCE
with Stormwater Regulations
Stormwater Project No. SW8 950506
Landfall Clubhouse
New Hanover County
Dear Mr. Cooper:
This Certification is pursuant to the application for Landfall Clubhouse received on May 15, 1995,
with additional information received on July 21, 1995. Staff review of the project plans and
specifications has determined that the stormwater control system as proposed for Landfall Clubhouse will
comply with the Stormwater Regulations set forth in Title 15A NCAC 2H.1003(i). The runoff from
447,365 square feet of impervious area will be treated in a detention pond sized to achieve 90% reduction
in Total Suspended Solids.
Any modification of the plans submitted to and approved by this Office or further development
of this site regardless of the fact that the modification may be less than 1 acre, will require an additional
Stormwater Submittal/Modification and approval prior to initiation of construction. Modifications include
but are not limited to; project name changes, transfer of ownership, change of owner address, redesign
of built-upon surfaces, addition of built-upon surfaces, redesign or further subdivision of the project area.
This Certification shall be effective from the date of issuance until rescinded. The project shall
be constructed and maintained in accordance with the plans and specifications .approved by the
Wilmington Regional Office. This Certification does not supersede any other permit or approval. The
developer is responsible for obtaining any and all permits and approvals necessary for the development
of this project. This could include the Division of Coastal Management under CAMA requirements, the
Division of Environmental Management under Wetland 401 Water Quality Certification and/or a Dredge
and Fill Permit and/or a Sewer Extension/Collection Permit, U.S. Army Corps of Engineers 404 Wetland
Permit, NPDES Stormwater Permit if disturbing five acres or more, local County or Town Agency
permits under their local ordinances, or others that may be required.
127 Cardinal Drive Extension, Wilmington, N.C.28405-3845 •Telephone [phone] • Fax [phone]
An Equal Opportunity Affirmative Action Employer

.
Mr. Cooper
July 25, 1995
Stormwater Project No. SW8 950506
•
This project has been approved to use 3-2" orifices for pond drawdown requirements. Regional
Office personnel will be inspecting the pond after periods of rain and dry weather to determine if the
orifices are functioning to draw down the pond within 2 to 5 days. If it is observed that drawdown has
not occurred within the allowable time frame, then Landfall Associates will be required to correct the
number of orifices to achieve the required drawdown time.
A professional engineer must certify that the stormwater system has been installed in accordance
with the approved plans and specifications upon completion of construction. The attached certification
must be received in this Office within 30,days of completion of construction.
The detention pond must be constructed in it's entirety, operational for it's intended use, and
permanently vegetated prior to the construction of any impervious surfaces proposed as a part of the
project, except roads. Failure to construct the stormwater controls as approved is considered a violation
of this Certification.
If you have any questions concerning this matter, please call Ms. Linda Lewis or me at(910) 395-
3900.
Sincerely,
'\ Z12.
Dave Adkins
Water Quality Supervisor
DA/arl: S:\WQS\STORMWAT\CERTIFIC\950506.JUN
cc: Richard Dickie, P.E.
Alan Golden, New Hanover County Inspections
Bradley Bennett
Beth Easley, New Hanover County
NHC Planning Department
Linda Lewis
Wilmington Regional Office
Central Files

DIVISION OF ENVIRONMENTAL MANAGEMENT
PROJECT DATA
Project Name: Landfall Clubhouse
Project Number: SW8 950506
Location: New Hanover County
Applicant: S. Keith Cooper
Mailing Address: Landfall Associates
Post Office Box 5368
Wilmington, North Carolina 28403
Submittal Date: May 15, 1995
Water Body Receiving Stormwater Runoff: Jones Lake (Golf pond discharge to wetlands)
Classification of Water Body: "C"
If Class SA, chloride sampling results: N/A
Pond Depth: 5.5 feet
Permanent Pool Elevation: 10.65 MSL
Total Impervious Surfaces Allowed: 447,365 square feet
Offsite Area entering Pond: 208.4 acres square feet
Green Area entering Pond: 404,737 square feet
Required Surface Area: 28,120 square feet
Provided Surface Area: 62,500 square feet
Required Storage Volume: 360,821 cubic feet (25,080 by SCS)
Provided Storage Volume: 25,657 cubic feet
Temporary Storage Elevation: 11.0 MSL
Controlling Orifice: 3-2" pipes

WET DETENTION POND EVALUATION
1. Yes No The design storage is for the runoff from all impervious surfaces resulting from
1-inch of rainfall and is located above the permanent pool.
2. Yes No The permanent pool is designed for 90% total suspended solid (TSS) removal.
Therefore, no vegetative filter is required.
3. Yes No The runoff completely draws down to the permanent pool in 5 days, but not less
than 2 days.
4. Yes No The mean depth of the permanent pool is a minimum of 3 feet.
5. Yes No The inlet structure is designed to minimize turbulence and short circuiting.
6. Yes No An appropriate operation and maintenance plan has been provided for the
system.
7. Yes No THIS PROJECT MEETS THE STORMWATER CONTROL REQUIREMENTS
OF 15A NCAC 2H.1003 (g), (i), (k), and (1) (For Yes, 1 through 7 must all
be highlighted Yes.)
Brief Explanation: This detention pond is designed to remove 90% total suspended solids without the
aide of a vegetative filter.
DIVISION OF ENVIRONMENTAL MANAGEMENT SIGN-OFF
Wilmington Regional Office
-7_S -3uL 15 fiA;Ciet
Date Individual Evaluating Form/Plans
zs-A
Date Regional Water Quality Supervisor
•
cc: Applicant/Bradley Bennett/arl/WiRO/CF

Landfall Clubhouse
New Hanover County
Stormwater Project No. SW8 950506
Engineer'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,
(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.
Signature
Registration Number
Date

POND MAINTENANCE REQUIREMENTS
Project Name: Landfall Clubhouse Project No. SW8 950506
Responsible Party: S. Keith Cooper Phone No. . 910-256-7646 •
Address: Landfall Associates, PO Box 5368, Wilmington, NC 28403
I. Monthly, or after every runoff producing rainfall event, whichever comes first:
A. Inspect the trash rack; remove accumulated debris, repair/replace if it is not functioning.
B. Inspect and clear the orifice of any obstructions. If a pump is used as the drawdown
mechanism, pump operation will be checked. A log of test runs of the pump will be kept
on site and made available to DEM personnel upon request.
C. Inspect the pond side slopes and grassed inlet swales; remove trash, and repair eroded
areas before the next rainfall event.
D. If the pond is operated with a vegetated filter, the filter will be checked for sediment
accumulation, trash accumulation, erosion and proper operation of the flow spreader
mechanism. Repairs/cleaning will be done as necessary.
II. Quarterly:
A. Inspect the collection system (ie. catch basins, piping, grassed swales) for proper
functioning. Accumulated trash will be cleared from basin grates, basin bottoms, and
piping will be checked for obstructions and cleared as required.
B. Pond inlet pipes will be checked for undercutting,. riprap or other energy dissipation
structures will be replaced, and broken pipes will be repaired.
III. Semi-annually:
A. Accumulated sediment from the bottom of the outlet structure will be removed.
B. The pond depth will be checked at various points. If depth is reduced to 75% of original
design depth or 3 feet whichever is greater, sediment will be removed to at least the
original design depth.
C. Grassed swales, including the vegetated filter if applicable, will be reseeded twice a year
as necessary. STORMATER
RECEIVED
•
JUN091995
DEIVI
rRoJ # 5 q 050Ca

POND MAINTENANCE REQUIREMENTS
PAGE 2
W. General:
' A. Mowing of the side slopes will be accomplished according to the season. Maximum grass
height will be 6".
B. Cattails are encouraged along the pond perimeter, however they will be removed when they
cover more than 1/2 the surface area of the pond.
C. The orifice/pump is designed to draw down the pond in 2-5 days. If drawdown is not
accomplished in that time, the system will be checked for clogging. i ne source of the
clogging will be found and eliminated.
D. All components of the detention pond system will be kept in good working order. Repair
or replacement components will meet the original design specifications as per the approved
stormwater plan.
V. Special Requirements:
I, S. Keith Cooper , hereby acknowledge that I am the financially
responsible party for maintenance of this detention pond. I will perform the maintenance as outlined
above, as part of the Certification of Compliance with Stormwater Regulations received for this project.
Signature: Date: May•31, 1995
I, Sarah H. Griffin ,a Notary Public for the State of North Carolina
County of New Hanover ,do hereby certify that S. Keith Cooper
personally appeared before me this 31st : day of May , 1995 ' . and acknowledge the
due execution of the foregoing instrument. Witness my hand and official se li ;."?y,,,.
(02.014
C94)Aa..k e. 031.--t4
***
tI.\PUBL% JC./My commission expiresZ►
MY COMMISSION EXPIRES 9 �!
7-2-99 •:�.....
DA/arl: S:\WQSISTORMWATIFORM510&M-POND.FOR

DIVISION OF EN IRONMEN TAL MANAGEMENT
DENSITY
ENGINEERED
PROJECT DATA
Project Name Landfall Clubhouse & Block 24 Landfall Subdivision II
Location(County, Township/Municipality, Address,State Road) Sun Runner Place, .�_
New Hanover Count
Owner's Name Landfall Associates
MaiIingAddress Post Office Box 5368
Wilmington, North Carolina 28403
PhoneNumber (910) 256-7646 Submittal Date
Brief Description (include map and appropriate drawings) 1.43 acre pond (normal
southwest side of ro osed clubhouse pool) on
Name of Water Body Receiving Stormwater Runoff Pembroke Jones Lake (a.k.a. Graham Lake)
Classification of Water Body C If SA waters, engineered system, and distance is <0.5
miles. attach report of chloride sampling results
mg/1
State/Federal Permits/Approvals Required (Check appropriate blanks,
CAMA Major Sedimentation/Erosion Control GP #439
404 Permit NWP #7 DEM/DHS Sewage Disposal Other (Specify) NPDES Permit NCG010000
CALCULATION OF BUILT UPON AREA
Built upon area means that portion of a development that is covered by impervious or partially pervious cover
including buildings, pavement, recreation facilities, gravel. etc., but not including wood decking. If the Dramect
includes areas draining to different water classifications, please note them separately below.
Subwatershed Subwatershed
Classification C
Built upon area 8.96 Ac
Total Project Area 19.56 Ac
% Built upon Area 45.8%
Allowable B/U Area 5.87 Ac
Is the Project B/U Area _< the Allowable B/U Area? No
% Built upon area = (built upon area / total project area) 100 (If no, an engineered system is required.
Built upon area limits for projects to meet density: SA waters --- 25%, Other --30%
Office use only...
STOATER COLLECTION SYSTEM .
Describe how the runoff will be treated Wet detention and with a f L� I IE 1M.storage: pool for runoff from the 1" storesiphons
to mair.Lai^ normal pool and draw down forthe
and a weir to pass the larger storms. storage pool, + U U V:
MAY I 5 1995
DEM
PR©J # Sw3 95050� •

BUFFER AREA
Is the built upon area at least 30 feet from mean high water of all surface waters? Yes If no. please
provide a description
(Note: Only boat ramps, public roads, public bridges, and walkways to water reiateo facilities are allowea
within 30 feet of the mean high water line if the project is intended to meet stormwater controi
requirements through density limits.)
DEED RESTRICTIONS AND PROTECTIVE COVENANTS
By my signature below, I certify that the recorded deed restrictions and protective covenants for this project
shall limit the allowable built-upon area per lot to
are feet inclusive of riht-of-way.
structures, pavement, walkways or patios of brick, stone, or slate, not uincluding wood decking, state that
the covenants will be binding on all parties and persons claiming under them, that they will run with the
land, and that benefits may be enforced by the State of North Carolina, therefore, the covenant cannot be
changed or deleted without consent of the State.
CERTIFICATION
I, S. Keith Cooper , certify that the information included on this
submittal form is correct, that the project will be constructed in conformance with this information, and
that to the best of my knowledge, the proposed project complies with the requirements of 15 NCAC
H.1003 (b). I authorize the below named person or firm to submit stormwater plans on my behalf, and
agree to abide by the deed restriction stat ent above.
s Signature
Date
Provide authorized perso or firm name and address below:
S. Keith Cooper
Landfall Associates
Post Office Box 5368
Wilmington, North Carolina 28403
I. Sara-I, la Gr..R« ,allotary PublicfortheStateof
County of �pt„ .��. a „
( do hereby certify that s, K r .L ��
appeared before me this I S-fL day of I'l�i personallyecutn
of _�:e foregoing instrument. Witness my hand 19 � � and acxnowieuges me due execution
omciai seal. ,.y,;,\ H.
c'` Q� �{ "P G9i,��
�; d NOTARY;
*** :
My commission expires 2 _
MANAGEMENT 741411
DIVISION OF E.'W E;y IRONMTAL 1IANAG M 'F'74 4?„,.. V E SIG1-15FF
Regional Office
Date Individual Evaluating FortnsiPlans
Date Regional Water Quality Supervisor
cc: ?►pplicant/WiRO/Bradley Bennett/Central Files

IMZURTPWr
JUL 211995 al
Pa
THE JOHN R. MrADAMS COMPANY INC.
CONSULTING ENGINEERS
POST OFFICE BOX 14005
RESEARCH TRIANGLE PARK,NORTH CAROLINA 27709
[phone] FAX[phone]
LETTER OF TRANSMITTAL
To: Ms. Linda Lewis Date: July 20; 1995
DEM-Water Quality Section **FEDERAL EXPRESS**
127 Cardinal Drive Extension
Wilmington, North Carolina 28405
Re: Landfall Clubhouse Pond Job No: LFA-95000
I am sending you the following item(s):
COPIES DATE NO. DESCRIPTION
1 2 Pond Plans
1 1 Sunrunner Court Impervious Areas
These are transmitted as checked below:
x As requested _ For your use
x For approval
For review and comment
Remarks:Please call if any additional information is required.
4r6,P,er,P 1 p:,
�� i, iy, ii!,
!\
91 Signed: P � )a
Amos Clark, Ei T
Assistant Project Manager
lifIECEIVIE
if
JUL 2 1 1995
D E M
PRoJ

El1111
THE JOHN R. McADAMS COMPANY, INC.
CONSULTING ENGINEERS
POST OFFICE BOX 14005
RESEARCH TRIANGLE PARK, NORTH CAROLINA 27709
[phone] FAX[phone]
LETTER OF TRANSMITTAL
STORNATER
To: Ms. Linda Lewis Date: July. 17, 1995
DEM-Water Quality Section
127 Cardinal Drive Extension RE . EllvE
Wilmington,North Carolina 28405-3845
JUL 1 8 1995
**FEDERAL EXPRESS** D E M
prof # • -
Re: Landfall Clubhouse Road Job No:LFA-95000
I am sending you the following item(s):
COPIES DATE NO. DESCRIPTION
1 1 C3.1 - Landfall 95000-Clubhouse
1 1 Sunrunner Road Extension
These are transmitted as checked below:
x As requested _ For your use
For approval
For review and comment
Remarks:
Copy To: Signed: ,
nathan S. Butters, P.E.
Director, Civil Engineering

A 4:. a
:•.
st
State of North Carolina
Department of Environment, Health, and Natural Resources
Wilmington Regional Office
James B. Hunt, Jr., Governor DIVISION OF ENVIRONMENTAL MANAGEMENT Bob Jamieson
Jonathan B. Howes, Secretary WATER QUALITY SECTION Regional Manager
July 17, 1995
Mr. Richard Dickie, P.E.
The John R. McAdams Company
Post Office Box 14005
Research Triangle Park, North Carolina 27709
Subject: ADDITIONAL INFORMATION
Stormwater Project No. SW8 950506
Landfall Clubhouse
New Hanover County
Dear Mr. Dickie:
The Wilmington Regional Office received a Stormwater Submittal for the Landfall Clubhouse on
July 10, 1995. A preliminary review of that information has determined that the submittal for the subject
project is not complete. The following information is needed to continue the stormwater review:
1. I called Amos Clark today and requested one more set of the plans. Please remember that
all submittals and any subsequent revisions will require 2 sets of plans.
2. I also requested from you some time ago, a numerical breakdown of the built-upon area
percentage assigned to each lot on Sunrunner Court. As explained before,percentages may
be used to calculate the built-upon area, but the deed restriction must use an actual square
footage to avoid confusion.
127 Cardinal Drive Extension,Wilmington, N.C.28405-3845 •Telephone [phone]• Fax [phone]
An Equal Opportunity.Affirmative Action Employer

Mr. Dickie
July 17, 1995
Stormwater Project No. SW8 950506
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 August 17, 1995, or the submittal will
be returned as incomplete.
If you have any questions concerning this matter please feel free to call me at [phone].
Sincerely,
/6/;16(XA /e"/""
Ms. Linda Lewis
Environmental Engineer
DA/arl: S:\WQS\STORMWAT\ADDINFO\950506.JUL
cc: .1.1;"t2 Lew s
Central Files
2

STORM WATER
THE JOHN R. McADAMS COMPANY INC.
CONSULTING ENGINEERS POST OFFICE BOX 14005
RECEIVEll
RESEARCH TRIANGLE PARK,NORTH CAROLINA 27709
[phone] FAX[phone] JUL, 1 J
,0 199r ^�
DEM
LETTER OF TRANSMITTAL tROJ Olga 506
To: Ms. Linda Lewis Date: July 7, 1995
DEM - Water Quality Section
**FEDERAL EXPRESS**
127 Cardinal Drive Extension
Wilmington, North carolina 28405-3845
Re: Landfall Clubhouse Pond Job No: LFA-95000
I am sending you the following item(s):
COPIES DATE NO. DESCRIPTION
1 Revised Calculations
1 Revised Pond Plans
These are transmitted as checked below:
X As requested For your use
L. For approval
- For review and comment
Remarks: Pages 51 and 52 of 52 are not included in this set. Please
refer to the previous set of calculations, these overall maps did
not change.
Keith Cooper
Copy to: Richard Dickie Signed:
mos Clark

S TORM ir
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JUL 1 C 1995
Pun # S( ff 505
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DATE : YY) l (� 1 ��
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7-ifif THE JOHN R. MCA Y DAMS COMPANY, INC.
RE3EARp1 1RIANGIE PARK. Nc
P.O. 606 14006 ZIP 27706=4005
[phone]

THE JOHN R.McADAMS COMPANY,INC.
1 P.O.Box 14005
, Research Triangle Park,North Carolina 27709
• [phone] Fax [phone]
PAGE OF
J R MCA JOB NO. DATE BY , CHECKED BY
(Date)
CLIENT PROJECT
SUBJECT
'Fb 'DF5 Ai
rok_ 1 " ShaiV
1.5" Storm For New Built Upon Area

THE JOHN R.McADAMS COMPANY,INC.
ii P.O.Box 14005
1,' Research Triangle Park,North Carolina 27709
[phone] Fax[phone]
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J R McA JOB NO. t -'I DATE t0( fr S BY 1239 CHECKED BY
CLIENT LDM .. 4 SCC,4A PROJECT 11:ND �T LAVDFACIA• ate�+t_AG
SUBJECT it SUM R.UMc 3 �1W
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.1 THE JOHN R.McADAMS COMPANY,INC.
1 1 P.O.Box 14005
Research Triangle Park.North Carolina 27709
• • [phone] Fax[phone]
PAGE 2 OF 4
J R McA JOB
NO.1.I, rr A 'QMOOO DATE �s I S`rill BY RID CHECKED BY �y�
CLIENT Lr A �AT PROJECT %ND € LA `DrA' r tN' Si
SUBJECT „ 61be.M 12MLICCP
LA-0D 156,
I� G.u01+w5E = lazt O.• 104 zer,• I
- IM PERZV sous sue.FAGE Agelts CN :Rtd
PAS-w.t NG 1245 4.34 sF
GAv1 PAAn4 q i d" SF
(AZT PATO (saint ) CI050 s F
sl o ^n.ks 194095 sF
CW81J5E 1 et 3382 SF
CwBt+ous� Z74o5 5F
COY eaNti..1 6944 sF
ADDITIONAL IMP. AREA r�-uN Anwae-
RD. E1cT. 21q013 SF
r'Cuwrr T 7o CAlrs PAfC)
229525 + 3137 = 232662 SF = 5.34 AC ..
4.94 - 0.07 =4.87 AC -LAwro /1„ANDVAP6 ieoct-9 a 04::4V) = 71;0 -, 4. .�.194 r
z") Z4 s 9,35 Q ICE 1 = 40o.16
REDUCTION OF
LAWN AREA �/ _ 1 __ tvis A= so?o IM ►tVS ; MA imutA
-IMPERvrouS Su$.FAco AE (. ars.
s1a,0 p_ulmeg. 200.0 hoc aNSlara 243,20o 5F
C.cAer PA * To site)
Sol. Lo15 1-lQ l$9, 440 SF
Co.s2X(311,zoo.SF)
UNCHANGED Z!?,Soo sF 5'�c-'
io/LM c /Co.F CU 4.1 el, 64oSF = 4. At.
CDsso)(37r{, 2.6o si)

THEBox JOHN14005 R.McADAMS COMPANY,INC.
1 4 1 P.C.
Research Triangle Park,North Carolina 27709
• [phone] Fax[phone] 4
r /1 0 PAGE 3 OF
J R McA JOB NO. LOAD -415-�, ` DATE (o S Pis BY PS qy_��� �CHECKED BY �t �D��i`,,
CLIENT L.AND5411.. ASeaC 4 A TES PROJECT -7 a LA oV,4Q,(., �.litllSt4R�A�
II
SUBJECT �3
C.a►4 Pas iTE C CALCLCA-TioNA [Cue1iOu6E 4 1.3 oar. 24 MESS)
10.34 AC
IMP VlouS — 1o.2 7 Ac.. G., cm =9$
Liao J — 1.261 Ac. a CM1 = 101
9.22 AC
141•Stn lecoc GN1 '- c .* : Bo
80.6
VoumAE r veracM 1s tumcFF (Gt*) PaoN► A 1" ghh,NFp (p")
D+JER. 'Pe.orrF.CT MEA 1.5" For New Impervious Surfaces
(1)-0.7S) s 1 10
1 .. Il Q*=j1.5-0.2(2.41)]2 = 0.3023
Qn a 2.41" (for 1.5" rainfall)
z
>A ;� 5 .0 M 0,1C . 12.41 A u
i.O+ 0.8�Z a4) 2.41 �� �� 0.092" (for 1" Rainfall)
VL,,.)Mrr = A Ce. ")(IFT/12.114) istc. Aaciazo SFA 44)
0.092" 19.49 Ac
VOWME. = C 330—EF 6509 CF
Total Reuired Volume = 6509 + 76.8
Volume = Q*A = (0.3023")(1'/12")(0.07Ac)(43560sf/1Ac) = 76.8 CF = 6586 CF
• DE VTu 1 N Pon$17
n. 6586 CF
]°'''
g3o24 0.12' 1.4"
"PbN17 4E1 }I Matti - i.3,I J 1.4"

THE JOHN R.McADAMS COMPANY,INC.
P.O.Box 14005
I• -.. Research Triangle Park,North Carolina 27709
• [phone] Fax[phone] 4
!l r� PAGE OF
J R McA JOB NO.LFA-9SCCO DATE tt 1 Jds S By R31) CHECKED"BY
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SUBJECT lit ..V-AA W
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ua-u"M6 To IPEPW4 ZUMCIFF ROM I`i scow ovee FoNn aE
Dix AG,
nu- 7s Csc- 3ls2. R 4 J )
5 ^ 3,Woil } Clw -- 0.030"5't
UNCHANGED Vot.umE = (O,oso3`1)(1F/124N,(ZZ.E3Az)(43o$c/ )k ) ' nos°
D6-PT l N 'Popp
o,eao
UNCHANGED B = [25:::60 = 0.1G Fr 4,tt-i

THE JOHN R.McADAMS COMPANY,INC.
P.D.Box 14005
II:! •• Research Triangle Park,North Carolina 27709
• [phone] Fax[phone] PAGE l OF z
J R McA JOB NO. 'q DATE (0/s fpis BY ezD CHECKED BY
CLIENT UJDPAU. A'fJ 1141ES ale)
PROJECT LANDFALL CW Bl icx�
SUBJECT 5•IS.n (! I Nt) V . I Il STcaM.`. �
'D�51 •Is ComD)TiCs
RxarD SA Cm (.. 'tax.) = I.4 3 @ El..s 10,65
AND 5A CSroi.AGE V') = Ac. Et:- II.00 (yu ag. L..)
PaJD lakWAT1on3S
- oP Moe-mot.... Pool- = 1o.4e5
BorIbM Cwocs-T' ? 4.4 > Av�Y.hGar teai"i'+ f
Ay el5
UNCHANGED T� DR.Prlr AWN 1 b ) To POND Z Y�
Wax Cr MANAGE /tR 4 To RIND D s• lot .L Ae...
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VouRE CotoDilloNS AND IM1?-4I0u SAC.
LioW EV L-;.e 1► PPNP CAt.CDI.ATsow Fes- INS P 2M tT
lr Gtrl: I'Izxx.,. z4) ARE askew al me
P12.61f..Cr AttEX IMPelimo.6 SURV'Arty :ra cw5ivEL4
I M PE.V)oOS SA (PI'.a01E4T) % 5.34 AC
10.34 AC
G(-u0Ho .rbl7Aclr- l 0 3,.
Be lem 74 Lon = 5.00 AC-
07O IMPI;t ieos = 10.34 1°.( 0 441000 y S2.(o& IMPiamot*
52.8 %
r-wym eio90 1-55 C-HAtr G d- s.5 Fr ; A/DA �O
5® 0 3`1 �" > ;z,G7, z 3,s% UNCHANGED
G00% - .1470 52.8 %
UNCHANGED azo,0 = 01033 DA 7 40.03361 ,6 Ac...� 6, 4,5 AA, teat

i " THE JOHN R.McADAMS COMPANY,INC.
1 P.O.Box 14005
,i� Research Triangle Park,North Carolina 27709
[phone] Fax[phone] PAGE OF 2'
J R McA JOB NO.trA-41e200 DATE lof 0.1a S BY >40 CHECKED BY
CLIENT LANDFALL- A5Gcc4ATES PROJECT e.,LANDFAIL { �)
SUBJECT IJMh %%JD 1"L'e. I it 'S21VI Y2•UL F.
teavim 6,66A4) d Pew,<WO .413 Az)
UNCHANGED
VIPPD kS DSS1eVeb h416 SulrPLUS CapACasi -ta 44ANIPLE.
FutueS At-06 M bEwS1cP.
wksTI1IG kbwD MM IAA 1 ( ups Doom 'ME
DESI Ge4M 'Poi 11-Rs A SA = .1 Ac.- , S As A
UNCHANGED 7,2EiR v►Eiut met. 12uNccc MOM /tear Alal, of 71.E
GlueF1cw5E Alte k. /kBour as IVIM. 'DAB aF-
22$ (,±-607a) DIZAnraS m 1rns INMA1.0f
LowN)s n IC.E U 41 AP -Ps vEGF.' AIW Wendamo AgrAS
UNCHANGED Witic44 pc" At) A Y TM-Eb ivauER. ) N ev+ w , U c cicalrraS
saiker 5UMI10A1 `5 Wt.A lh -1 NEED Fag a Vs 'nUE
Fiveg

85% TSS REMOVAL
30 FOOT VEGETATED FILTER REQUIRED
DEPTH 4.0' 4.5' 5.0' S.5' 6.0' 6.5' 7.0' 7.5'
%
10% .9 .8 .7 .6 .5 0 0
0 0 0
20% 1.7 1.3 1.2 1.1 1.0 .9 .8 .7
.b .5
30% 2.5 2.2 1.9 1.8 1.6 1.5 1.3 1.2 1.0 .9
40% 3.4 3.0 2.6 2.4 2.1 1.9 1.6 1.4 ,
• 1.1 1.0
50% 4.2 3.7 3.3 3.0 2.7 2.4 2.1 1.8 1.5 1.3 I
60% 5.0 4.5 3.8 3.5 3.2 2.9 2.6 2.3 2.0 1.6
70% 6.0 5.2 4.5 4.1 3.7 3.1 2.9 2.5 2.1 1.8 I
- i
80% 6.8 6.0 5.2 4.7 4.2 3.7 3.2 2.7 12.2 2.0 1
90% 7.5 6.5 5.8 5.3 4.8 4.3 3.8 3.3
12.8 11.3
100% 8.2 7.4 6.8 1 6.2 5.6 5.0 4.4 13.8 13.2 2.6 I
•
90% TSS REMOVAL
NO VEGETATED FILTER REQUIRED
DEPTH 3' 3.5' 4.0' 4.5' 5.0' 5.5' 6.0' 6.5' 7.0' 7.5'
IMP %
10% 1.3 1.0 .8 .7 .6 .5 .4 .3 I 2 I .1
20% 2.4 2.0 1.8 1.7 1.5 1.4 1.2
1.0 I .9 � .6
30% 3.5 3.0 2.7 2.5 2.2 1.9 1.6 1.3 1 1.1 1 .8
40% 4.5 4.0 3.5 3.1 2.8 2.5 2.1 1.8 1.4 11.1
50% 5.6 5.0 4.3 3.9 3.5 3.1 2.7 2.3 1.9 11.5
60% • 7.0 6.0 5.3 4.8 4.3 3.9 3.4 2.9 2.4 1.9
70% 8.1 7.0 6.0 5.5 5.0 4.5 3.9 3.4 ' 2.9 j 2.3 1
80% _9.4 8.0 7.0 6.4 5.7 5.2 4.6 4.0 3.4 2.8
90% 10.7 9.0 7.9 7.2 6.5 5.9 5.2 4.6 13.9 3.3
100% 12.0 10.0 8.8 8.1 7.3 6.6 5.8 5.1 4.3 3.6

THE JOHN R.McADAMS COMPANY,INC.
P.O.Box 14005
•• • Research Triangle Park,North Carolina 27709
[phone] Fax[phone]
PAGE OF
J R McA JOB NO. DATE BY CHECKED BY
CLIENT PROJECT (Date)
SUBJECT
Po)
POutri N�

THE JOHN R.McADAMS COMPANY,INC.
"gin ! P.O.Box 14005
L Research Triangle Park,North Carolina 27709 ll Itet)[phone] Fax[phone] -� '��5 PAGE t OF 5�7�
J R McA JOB NO.LFA'c1SD00 DATE S Is 115 BY DAG
�` CHECKED BY
CLIENT1� A�.> X- PROJECT LANDFALL, p (D 18
SUBJECT !&*4NAL4
TNG 1 OLt cawr, , tS ,C Svs ' A14.V OF The I&iu
R1rGwHZ +iT3 ' LANDFALL Cwat{otiSe T ), 0%1
A Inc-i Nil DAla.arptc. sluby. fvt.l alN1 N G 'tth . Sum ( Is
D1rThtLED ' i rfl t of EAG14 I tsPOT MbT , 1WD
IT WAS CAuut.At b- A CoN of Mcl-1 list tIPtJr
Fits 1s INCA-4)DM a As W11.L As CM4+1cA1... Am) Waive_
tuTA`TtONS OF THE MIXES. StbemS ANN-4WD
1 t` STo2M , 1D Yam, Z `/Fhe, 5) New , AA3b
la) YE.
P .i NG PAL, /Q"^I:RS 4 SPt t_t.WN1A4
2-'�' L. WOAD CetZTLD RS . N , 11,10 F1.
I I .9cfpI Dem DOv01.1 DLV(c L
- 2"46 INuMT41) SIN-I +S t 1Nu t c��p
oar tzT At t, iv.45
Tap aF 1M ›
To 'P1✓ov t DE Srfrrel..E Out? ?' 14 tao y 4.. STor-m
"ToP OF DPavi , = 13,20 Fr,

THE JOHN R.McADAMS COMPANY,INC.
1 I P.O.Box 14005
Research Triangle Park.North Carolina 27709
[phone] Fax[phone]�tej. o PAGE , OF 52"
✓ I
J R McA JOB NO. I-FA - DATE_ 5 S 1 615 `BY D CHECKED BY
CLIENT LANDFA.t_. ASSaiY.1NIES PROJECT 1-164•2"Fitt., CLUB
k (Dat e
SUBJECT SU hA M.Mb.j
144 PRIM TIME ROM TdrAL TIME
MR3l MAC W Wq2. .Ta Fee eftiliV To
5mm 1N661- ID welt Q. MCP.M.ito. Mog,M Pam. Q..i r iAl OtNA74 rl+4TS
Cc-sctialiko (FT) • f ol-i4. iner4 1) 1 OR 0 le Pc.) _ eLF s)
119roa. 1 11.14 144 . - $,5 N o.Iq
Io 1 1k ' t2.441 o.1 'Li 211 294
ZS%hake 12.73 0.- 1. ,2. 301 37la
St)*1 . 12,41 1 0.1 .44s 44o
too 1pkg. 13,49 6) 4,2. : 5I Z Sat'
vo11 = T! 61.,u3 Uo RzeRegaor me C.14 s
Tile M viSi 1. TF+-E 1N'PUT bATA Sur F
4 GE-F 511=M tS AL AO P-EARC5 71 UE, cF Nye
LAST V-a)151pnj, 1 p42v11 1,lex, REWLIC, VJ .
Aiee r "I1M tAsTISic .1. 1tE cru( of FI✓ee xvc.>✓
1S 1Ne Li SCX., 1/43 AI.1. SIneMS IS k1o1,0 f7-I FT RIGREE,
kW) R. A11csJ (S 11. 10, `1�E 4
I PuT DirTA 505 May us i - ve.32-1Fy 'NE
A€wE ULZ ,

OrTHE JOHN R.McADAMS COMPANY,INC.
P.O.Box 14005
Research Triangle Park,North Carolina 27709
L • [phone] Fax[phone]
PAGE 5 OF 52-
J R McA JOB NO.Lr4'115°C:0 DATE 4Izelqs BY roic CHECKED BY
CLIENT LANDFALL k-xecoms PROJECT LitNDIPALL aleitOUSG (Date)
SUBJECT rt-WD At LANDFALL C.I.ORicM
LAND USE SUMMARY
TAAL ARIA 228 AcLES
CATc.4-x4smr Lb 43 ActzS
CA-ref-1'4E3W - 1'15 mg-es
Cetcv•tmENT LD 1)g.Aws Bieuctvi :tswo 2eir,117., pEniGijkrt, To -rite
Cweliitt4a. (New Pot.)D-)
CArc mwr NID 1 6114
mg. 7"0..r;14 . •
"NiV4 i N10 iN4Qt•41:? •
Vt:1`41. ( oD oc lb Ct i41E34) n=r4b)
t 900 GP wArue.... to 5-.0.).1-044,s-c OF cujotiouse, Caci'DTIN& lat1/44 *)
C) t CPLmi(kJ& 11.370 NICW pay c;)
dra-m. fr = 13 Ace
1:ANK) use. AWL. ha_
'Pon)) I .43 Alc.
5t. SO Ac.
7.0570 kt4P)
gErol;u149/4.- (61..t. 2-4) 49.3s Ac. eaS
Csolcsimi)
I•te.)66 4.IS osz. 1— 80.4
ircifko 2.41
mscirwitaos (o" D), e.40 so
(poi.* i1.72../44 Lol
Tam-- al3.co s°- 74.75 "g) 75 UNCHANGED
c.Nrcli.miENT m 013.0 Ac. Cm,- 15

THE JOHN14005 R.McADAMS COMPANY,INC.
P. .Box
ill l I Research Triangle Park,North Carolina 27709
- [phone] Fax[phone]� q �Z
1►� PAGE• OF
JRMcAJOBNO. - � DATE 4(isrots BY DA . CHECKED BY
CLIENT tJ4DFALL AF ATIS PROJECT LANDt .L a,(j$ Se (Date)
SUBJECT MND AT LANDFALL CuiekimEE
LAGS 1IM I+ For, CAjclutiE Nr Q ='
Jo/I Stl�,o,�
(o Time = moo y ta.3 (s s MEn4D)
FLOW LEWIN = 21co pr (2°►
= AtICp. MIER-silo 51,oPE r7c o = D.g e
S= UPPER S'thRAd.F' CAP, 1t Voro _ to = 3.33►+
t),$ 0,-i
Czio0 �3.33 -1 I )
I°1n O.ie► u.s
w I . O FMS
LA& 'E IN E _ 1.0 HR.S
c►644t$ : CE,lsrmi& uPPlae.. 'FbND>
Tar_ Axel, 1 QE
1D us,E A,eeA
Rct,JD Z. 4.4.8 AG. 1CD0
IvervoiOS (Cm A) et.S11 AG eo
P- Kr. 4.0(0 Ac. els
amit.licuSE 4.06 fit. Go. 1
MAtIN'tAINet .0 YD. 10.0S AC. 96. I
• tStioIMP
a1I 11� Ls.41 A . 74
`01Mp)
ZESICC MAL weG ?S.C.
s IMP'
Co>* I41.go 14G, Co
"form. " 136 p1/44. CA GN ' 1 UNCHANGED

Ell__ THE JOHN R.McADAMS COMPANY,INC.
P.O.Box 14005
Research Triangle Park.North Carolina 27709
[phone] Fax[phone]
�1t PAGE 5 OF �
7
J R McA JOB NO.J PA-ciS► `� `DATE 4 1�1415 BY e." CHECKED BY
CLIENT LANDFALL AE ATES PROJECT I.A.iDP L n�tr Z(Date)
SUBJECT PCNb AT LA +�... Cg} s o��S�J _
LA& TIME . cAtatemwT
Ic o
S= -I. -- t O = 3.33'r 1._ 254o F7 slope
Fi = 30.5 --t(0.3 14,zc %..
o.65
(.2.c \1" (3 'S3 ♦6°7
p - 1loo (ois&)0•
apt 1. o5 gyres
L.ACa TIME = 1.OS HtS
174=1•31) 0 (NvA) PanNb) `Trc / 'it.V.A[vF -t/412.1
Cad o -Sisk- Aw>
WSr L 14.E1 R. STAG. F1-000 VAG'S STnRAGE
FT a CF)
LO' - 0.45 o O L Wm i}L I aAjti On11
!1.ao aD.td 0,35 24too Coy' S')
11,50 0 .4o b.85 74000 41.Vit))
l2.ao 0.90 1.35 t32s50 CS.041)
M.Sc. 1.4o I.aS I411I40 (,4i5210)
13.00 tt90 2.35 Z(evio500 0„ill S)
13 so Z.4o 2.$5 339 SW (7.50.1)
t4.00 2..10 3.35 41(o5z)0 0116(4)
I4.SO 3.4c• 3.e5 4cuo400 61.39L)
L AGM-A'
N_oiS t FoO. igilitroE. Dt i-1Aec7G j W :IR. ce.16T4 wAs lNPuri VOf
'RED ON '56' gEtclaoS ID M,1.AA) Fo )E1 -
1.Ea6 ' c7nMItir t a%1 1M 0b4.1ue11MAt.. 'UmE.

THE JOHN R.McADAMS COMPANY,INC.
E, ,f I P.O.Box 14005
Research Triangle Park,North Carolina 27709
{919)3611-5000 Fax[phone] PAGE 19 OF '52-
J A MCA JOB NO.1.FA- O0O DATE 4 axe I AS BY DAC* CHECKED BY
•
CLIENT LANDFALL A PROJECT LANPF- �..�.U. ilm X (Dale}
LANDFALL
SUBJECT D Al" LANDFM. . 0.14.11114015E
VION D (2.) S fS5 r4 — 51A6E, l Dl.c MAcgd 1 _-�
(E?uSTINC, 'Pont D')
c,t/Tr- .cw 105V ILflr = B 1G 104E1 r- of L= el I=T. &taco StP = t t s
Ws ri ovo7 ,, 2 CRC sty-SIOA 04.
ICo.3 o 0 0 6N41au1A-r l
16.13 0.5 42 IoZ94z. (2.3.&)
11.3 I.o 7.6.i 27314Z (S. 131..)
1'7.9 I.5 419 351344p C8.oS'i
IS.3 F.o 7 S 4 eqyZeIGIA ({i. I64 )
18,6 2-5 IO3Z 4243ee 64.334)
101.3 3.0 13510 76,sS t4 (i1.S61
L.. . Oboe$.FT
GONNEGriuoti DiAGA/1M
CI
..,,, 4 0
TCT I

THE JOHN R. McADAMS COMPANY,INC.
111 1 I !I I P.O_Box 14005
Ili Research Triangle Park.North Carolina 27709
[phone] Fax[phone] R 46 m s
l I A! PAGE 1 OF 6�
J R McA JOB NO. IA-q DATE 4 127 [R _By DAC. CHECKED BY
CLIENT LANDF(u. i/eIviCr.4PC1125 PROJECT LIbNDF#LL. (1Wgyp,As(Da
SUBJECT JD AT CLublic 1SE - STAGE
- aGE Fes. PCN ll5 : N+e, 1 .Lo
connvu Cr lvra - INCL. PCCIMM. Ft.aoD EV, flop°
Eta?. AWN Vay, Vo,, sr me MNGS
�'. CF [ —7
t0•4o5 625ear?
I I 71 t53 24440 2 44o 0.35 D.35
IZ 13283a (o4q°I7--- 129431 I. SS 1,33
3 1404o4 14Otot1 27004'1, 2.35 'Z 3S
?Le5L VCI.JMs vs, :tad: , ;{T 3 out3L44. a :
a vawkLv i AGE
kb' goel3 S ks
= 1.24,,p
coettti.ATioN = Q.91:190
go915 a1.z�
Write
t ' ° "3
leatmraRrEz. .c.1tiOFF (\I ()vela pRAiN)ACoe foe A)
CURRENT PERMIT
Val. " z5o60 LF t° o%¢et;) UNCHANGED STATES 25,657 CF
OF VOL. PROVIDED
VaE\ AA" (5t, i I, ID ) :• 5= 90613 (0.45 )
= 351204 cF
PrT Wet R- fit,' 11. 10 , 33 J 204 CF
Si ist.z Foe. I SRAM is P ;sea

THE
HN
° III P.O. JO1 oN R.McADAMS COMPANY,INC.
BoxResearch Triangle Park.North Carolina 27709
[phone] Fax[phone]
/115
7�A, PAGE 8 OF 5�
J R McA JOB NO. I VA— 164:00 DATE 4/ZS BY AC'" CHECKED BY
CLIENT A.1.. Ate,/ r"Ej PROJECT .L. (10BO jSIDatq�_-,
SUBJECT “ u.. (Ave STACK 1S N� 4- S'ise E 'D ,��Cea . ��)
5TD2A&S _Foe- tit) : E241S"Tm1Ca Ft vr)
111Q -MAC v*C1 E JR-cAC,E t -lip.5
OJTFt.ow 134 De0,4DC TD WE114., : EL,. 16.1 L= 61 Ft
Nv6, INt- Ace., Tiro D
COWT1DO AC.0.1 ArMW, vDt., voL, 5-MGF EST. SiAGi~
(P r) (sr) (sr) tkc\ (cF) CPT) (Pr)
1(v.3 Zo3967. -- a d a
.17,O ZZ947 . 2%( Z 1 I51359 15135j 0.-i 0.1a 0•71 �e
Is,O 1.9i( z1 Z44049 Z44o49 54o 1 .-) 1.6403 Z. 191,
tq.O .33195o rtszti 2as7 i 4.91 1G11 t 2.1 Z i e) 1.41 74,
PtdT of voi.uME Vs. STACZ 'ND Fr` W pawl
CuRUE ' t,D5 s
GAg #"rtoN = o.agg to
• QL s 0.01q12
1. 11. = 6T0e.Aese. ( r5)
b e FLcoD SrAde [FT)
%. 11.
2Z374Z
Q,093
1214
w,u. UsE ' oRMu,A 1) PAHL.t "Lvov.. - uP 11 'tjpi 1
ME G-% !M 0.5 f 1Nc&EM ITS

1111 I Tp
OHDN5 R.McADAMS COMPANY,INC.
Research Triangle Park.North Carolina 27709
[phone] Fax[phone]
e nr.r� 17.6115
PAGE + OF 52/
J R McA JOB NO. LPA "q CaPO DATE 4 17.6 1Q 5 ay VAS CHECKED BY
CLIENT LAND FALL ASSPGAATri PROJECT LA tci j_ CLUB} 0 I)
SUBJECT I4E L '.Al- - S sE ISTivA C E c S d%-_
STAas - DLSCIor da
AI -1 GE IS VIA 1312cAOceestED WOW- 5cr AT et
QW= G,,41.14 [cfs.]
elW T" I
tr?(y fad h4' )2sizrodA OF l "l .
'DINE Look.-v P TA6( E _ IBC-t BAD"13 UN
2401 1-1:/1L [c ���
' r `cvs.')
49.E a 0
It. B 0.6 aZ
4'7,3 1.0 'Zts1
11 ,S I.5 41'1 is sN,i sd ItEc k
(9.3 7,0 'Meg
18,$ 2•5 1o3Z
113 ,o I351A
corn.. w Toe Poop Q Pam] orJ !{EG-I t Ni pc..ki i,J
OIq , 4 Sea e5Ca6-i�S

FIll THE
P.O.Box JOHN14005 R.McADAMSCarolina COMPANY.INC.
Research Triangle Park,North 27709
• , [phone] Fax[phone] au. (01 qs
A ] ri 1A� PAGE I D OF Sx'
J R MCA JOB NO.LF,! -qO DATE �91 !qS BY 1�`f..-•• CHECKED BY
CLIENT L I I L fie r-11 T ., PROJECT LION ik{.1r CAM%I-U ate)
SUBJECT I MUEWE:O SI PAci.! 'Dt�l CAN
IxiveRIVD S%PHoh,4 l3 Chi 7/ .1.0,0114 *gyp -FuNt-TI
Fa ce I FItrE F1.civo %
•Tog. oat FlcS SuaMER6E ' use oou>=ice EZIVA-c I
Q = CDA Z h
,uI4iC1-1 GAS 7,5 geWQ.I'f$TJ AS
2'
\i
s
cQ = O,043'l Gp 17 C1. - p'24 1
ww CD = o. o
D = I P!k .) '>l nasx [4,3
a-:- aiPEb.) F tcvs]
41AGE AtiacvE SI PHDN 1 NUg7 1.FT1
4 VUg o ..tir-ice por JSME G ) CRIFe.S OVA-Tic/4 toes mar
! . FDU..041?..V, 12.a.ATIct4 +&P 4AS 1 swypQ14 TO
1401.D 'W-Um: =7
3/Z
Q - O. .371.Gp v Ca) [ln..“115 SAmE. As PewooLl
NOTED
DS.1iEXT DEM16Nn) "to CAt.cui. 1S 1045 ircR- t::NIP7`j we,
ftiakS lb hocaNc PIr15►4 11 iS 1=
6,:i i�C.,C:Z —� Q� AV(I,�i 4�Il "� �Nl.3�VO4{I�'2)
S to , s —9 1�S/a 3 a AVG.(241) — xN,GR Vgga 3„)
•
SMeel r...r) 0
14 > a Alf 6iN-I m 0 T13C.2 V°I(N-+-,7 N,

II, III ! THE JOHN R.McADAMS COMPANY,INC.
P.O.Box 14005
Research Triangle Park,North Carolina 27709
- ::.. [phone] Fax[phone] mi,IA 4o( Is— 1 �y+y
1 PAGE 4 ` pF S�/
J R NcA JOB NO. -q5 DATE 5 r�fay BYCHECKED BY
CLIENT (aypF U.. PAW PROJECT Ditto,4 J 119.L LIW UjE�Date)
SUBJECT 114WIZIED StP14mi DEVINI
GAtzuLAA-nosi of 7lMS RE&ui
I 1',ace, Vb4.1
DRAKiCoAnd 11ME 62AerG,,i
ti=1
piAGRI04 OF SNIS1 1
iTIMIM ..__ ____ r /
I" FLD STDQAbE j 1945 I
1)AE M
NDE1tT Pa 'P
s use 3 - Z"9 IPHIS Fog.-
TiMA OF 3.5 DAYS.
' E A1rACHSD SPE D5 T Fc - t 46;.

rE). .;/(vic iZi
John R.McAdams Company, Inc. Page 1
Inverted Siphon Desian Sheet
D siphon= 2 inches
No.siphons = 3
Ks= 90813
b= 1.26
Cd siphon= 0.60
Siphon invert= 10.65 feet
W8EL Vol.Stored Siphon Flow Avg. Flow Incr.Vol. Incr.Time
(feet) (cf) (cfs) (cfs) (cf) (sec)
11.100 33204 0.191
11.068 30245 0.182 0.188 2960 15892
11.038 27343 0.173 0.178 2901 16345
11.004 24504 0.184 0.188 2839 18889
10.971 21732 0.154 0.159 2773 17487
10.939 19030 0.143 0.148 2701 18232
10.907 16408 0.131 0.137 2624 19157
10.875 13866 0.118 0.125 2540 20353
10.843 11419 0.104 0.111 2447 21991
10.811 9075 0.086 0.095 2343 24807
10.779 8852 0.062 0.074 2224 30038
10.746 4789 0.040 0.051 2083 40883
10.714 2882 0.022 0.031 1907 61550
10.682 1198 0.008 0.015 1666 112859
10.650 0 0.000 0.004 1196 309313
Drawdown Time= 3.51 days
These increments dropped
since flow will not equal zero
By comparison, if calculated by the average head over the orifice(assuming
average head Is half the total depth),the result would be:
Average driving head on orifice= 0.142 feet
Orifice composite loss coefficient= 0.600
X-Sectional area of 3-2"inverted siphons= 0.085 ft2
0= 0.1187 cfs
Drawdown Time=Volume/Flowrate/86400(sec/day)
Drawdown lime= 3.24 days
SIPHONS.XLS

'3/J
10 Year Storm HEC-1 Input File
ID LANDFALL CLUBHOUSE POND ROUTING
ID 10 YEAR STORM,60 FT.WEIR ON POND 1
ID USING THE DEPTH-DURATION DATA FOR WILMINGTON,NC BY H.R. MALCOM, PE
ID HEC-1 IS AUTOMATICALLY CALCULATING WEIR FLOWS GIVEN SIZE IN POND 1
*FREE
*DIAGRAM
IT 5,,,370
103
VS JCT1 POND1 POND1
VV 2 2 7
KK C2 CATCHMENT DIRECTLY FLOWING TO POND 2
BA 0.211
PH„0.6,1.36,2.92,3.34,3.76,4.82,5.77,6.72
LS 0,75
UD 1.05
KK POND2 TIMBER HEADWALL POND SOUTHEAST OF CLUBHOUSE
RS 1,ELEV,16.3
SV 0,2.363,5.136,8.089,11.164,14.334,17.581
SE 16.3,16.8,17.3,17.8,18.3,18.8,19.3
SO 0,92,261,479,738,1032,1358
KK Cl CATCHMENT FLOWING DIRECTLY TO POND1
BA 0.145
LS 0,75
UD 1.00
KK JCT1 COMBINATION OF POND2 AND C1 FLOWS INTO POND1
HC 2
KK POND1 POND TO BE CONSTRUCTED WEST OF CLUBHOUSE
RS 1,ELEV,10.65
SV 0,0.555,1.698,3.043,4.528,8.118,7.801,9.564,11.398
SE 10.65,11.0,11.5,12.0,12.5,13.0,13.5,14.0,14.5
SS 11.10,60,3.0,1.5
ZZ

CZ-
25 Year Storm HEC-1 Input File
ID LANDFALL CLUBHOUSE POND ROUTING
ID 25 YEAR STORM,60 FT.WEIR ON POND 1
ID USING THE DEPTH-DURATION DATA FOR WILMINGTON, NC BY H.R. MALCOM, PE
ID HEC-1 IS AUTOMATICALLY CALCULATING WEIR FLOWS GIVEN SIZE IN POND 1
*FREE
*DIAGRAM
IT 5,,,370
103
VS JCT1 POND1 POND1
W 2 2 7
KK C2 CATCHMENT DIRECTLY FLOWING TO POND 2
BA 0.211
PH „0.68,1.54,3.41,3.92,4.42,5.71,6.86,8.01
LS 0,75
LID 1.05
KK POND2 TIMBER HEADWALL POND SOUTHEAST OF CLUBHOUSE
RS 1,ELEV,18.3
SV 0,2.363,5.130,8.089,11.184,14.334,17.581
SE 16.3,18.8,17.3,17.8,18.3,18.8,19.3
SO 0,92,261,479,738,1032,1356
KK C1 CATCHMENT FLOWING DIRECTLY TO POND1
BA 0.145
LS 0,75
LID 1.00
KK JCT1 COMBINATION OF POND2 AND Cl FLOWS INTO POND1
HC 2
KK POND1 POND TO BE CONSTRUCTED WEST OF CLUBHOUSE
RS 1,ELEV,10.65
SV 0,0.555,1.698,3.043,4.526,6.118,7.801,9.564,11.396
SE 10.65,11.0,11.5,12.0,12.5,13.0,13.5,14.0,14.5
SS 11.10,60,3.0,1.5
ZZ

IS
SZ
50 Year Storm HEC-1 Input File
ID LANDFALL CLUBHOUSE POND ROUTING
iD 50 YEAR STORM,60 FT.WEIR ON POND 1
ID USING THE DEPTH-DURATION DATA FOR WILMINGTON,NC BY H.R. MALCOM, PE
ID HEC-1 IS AUTOMATICALLY CALCULATING WEIR FLOWS GIVEN SIZE IN POND 1
*FREE
*DIAGRAM
IT 5,,,370
103
VS JCT1 POND1 POND1
W 2 2 7
KK C2 CATCHMENT DIRECTLY FLOWING TO POND 2
BA 0.211
PH„0.74,1.69,3.80,4.37,4.94,6.40,7.70,9.01
LS 0,75
UD 1.05
KK POND2 TIMBER HEADWALL POND SOUTHEAST OF CLUBHOUSE
RS 1,ELEV,16.3
SV 0.2.363,5.136,8.089,11.164,14.334,17.581
SE 18.3,16.8,17.3,17.8,18.3,18.8,19.3
SQ 0,92,261,479,738,1032,1356
KK C1 CATCHMENT FLOWING DIRECTLY TO POND1
BA 0.145
LS 0,75
UD 1.00
KK JCT1 COMBINATION OF POND2 AND C1 FLOWS INTO POND1
HC 2
KK POND1 POND TO BE CONSTRUCTED WEST OF CLUBHOUSE
RS 1,ELEV,10.65
SV 0,0.555,1.698,3.043,4.528,6.118,7.801,9.564,11.396
SE 10.65,11.0,11.5,12.0,12.5,13.0,13.5,14.0,14.5
SS 11.10,60,3.0,1.5
ZZ

100 Year Storm HEC-1 Input File
ID LANDFALL CLUBHOUSE POND ROUTING
ID 100 YEAR STORM,60 FT. WEIR ON POND 1
ID USING THE DEPTH-DURATION DATA FOR WILMINGTON,NC BY H.R. MALCOM, PE
ID HEC-1 IS AUTOMATICALLY CALCULATING WEIR FLOWS GIVEN SIZE IN POND 1
*FREE
*DIAGRAM
IT 5,,,370
103
VS JCT1 POND1 POND1
W 2 2 7
KK C2 CATCHMENT DIRECTLY FLOWING TO POND 2
BA 0.211
PH „0.80,1.83,4.18,4.82,5.46,7.09,8.55,10.00
LS 0,75
UD 1.05
KK POND2 TIMBER HEADWALL POND SOUTHEAST OF CLUBHOUSE
RS 1,ELEV,18.3
SV 0,2.363,5.136,8.089,11.164,14.334,17.581
SE 16.3,16.8,17.3,17.8,18.3,18.8,19.3
SQ 0,92,261,479,738,1032,1358
KK C1 CATCHMENT FLOWING DIRECTLY TO POND1
BA 0.145
LS 0,75
UD 1.00
KK JCT1 COMBINATION OF POND2 AND C1 FLOWS INTO POND1
HC 2
KK POND1 POND TO BE CONSTRUCTED WEST OF CLUBHOUSE
RS 1,ELEV,10.85
SV 0,0.555,1.698,3.043,4.526,6.118,7.801,9.564,11.398
SE 10.65,11.0,11.5,12.0,12.5,13.0,13.5,14.0,14.5
SS 11.10,60,3.0,1.5
ZZ

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John R. McAdams Company, Inc. Page 3
Time Inflow Outflow W.S.El. Weir El.
(min) (cfs) Jeffs) (feet) (feet)
0 0.00 0.00 10.65 11.00
5 0.01 0.00 10.65 11.00
10 0.01 0.00 10.65 11.00
15 0.02 0.00 10.65 11.00
20 0.04 0.00 10.65 11.00
25 0.06 0.00 10.65 11.00
30 0.09 0.00 10.65 11.00
35 0.14 0.00 10.65 11.00
40 0.19 0.00 10.65 11.00
45 0.27 0.00 10.65 11.00
50 0.35 0.00 10.66 11.00
55 0.46 0.00 10.86 11.00
60 0.58 0.00 10.66 11.00
65 0.71 0.00 10.66 11.00
70 0.87 0.00 10.67 11.00
75 1.05 0.00 10.67 11.00
80 1.24 0.00 10.68 11.00
85 1.45 0.00 10.68 11.00
90 1.89 0.00 10.69 11.00
95 1.95 0.00 10.70 11.00
100 2.24 0.00 10.71 11.00
105 2.56 0.00 10.72 11.00
110 2.91 0.00 10.74 11.00
115 3.31 0.00 10.75 11.00
120 3.78 0.00 10.77 11.00
125 4.25 0.00 10.79 11.00
130 4.80 0.00 10.81 11.00
135 5.39 0.00 10.84 11.00
140 6.03 0.00 10.87 11.00
145 6.73 0.00 10.90 11.00
150 7.47 0.00 10.94 11.00
155 8.28 0.00 10.98 11.00
160 9.11 0.21 11.01 11.00
165 10.00 1.37 11.04 11.00
170 10.94 2.99 11.06 11.00
175 11.92 4.63 11.09 11.00
180 12.95 6.38 11.11 11.00
185 14.02 8.23 11.13 11.00
190 15.12 9.88 11.14 11.00
195 16.26 11.39 11.16 11.00
200 17.42 12.81 11.17 11.00
205 18.60 14.45 11.18 11.00
210 19.79 15.98 11.20 11.00
215 1 20.98 17.40 11.21 11.00
220 22.16 18.74 11.22 11.00
225 23.35 20.03 11.23 11.00
230 24.52 21.29 11.24 11.00
10YEAR.XLS

John R.McAdams Company,Inc. Page 4
Time Inflow Outflow W.S. El. Weir El.
_ (min) (cis) (cfs) (feet) (feet) .
235 25.76 22.53 11.25 11.00
240 27.16 23.79 11.26 11.00
245 28.84 25.15 11.27 11.00
250 31.04 26.95 11.28 11.00
255 34.09 29.08 11.29 11.00
260 38.59 31.83 11.31 11.00
265 45.41 35.69 11.34 11.00
270 55.03 41.20 11.37 11.00
275 67.74 49.52 11.42 11.00
280 83.68 60.72 11.48 11.00
285 102.95 74.24 11.55 11.00
290 125.47 91.30 11.63 11.00
295 150.35 111.97 11.73 11.00
300 176.28 136.11 11.83 11.00
305 202.12 162.03 11.93 11.00
310 232.13 189.47 12.03 11.00
315 256.65 217.01 12.13 11.00
320 275.55 242.23 12.22 11.00
325 286.85 262.76 12.29 11.00
330 298.57 278.71 12.34 11.00
335 298.96 289.10 12.37 11.00
340 296.70 293.86 12.38 11.00
345 290.41 293.69 12.38 11.00
350 280.72 289.26 12.37 11.00
355 268.25 281.21 12.35 11.00
360 253.81 270.21 12.31 11.00
385 238.53 257.79 12.27 11.00
370 223.16 243.95 12.22 11.00
375 208.25 229.44 12.17 11.00
380 194.17 214.94 12.12 11.00
385 181.21 201.00 12.08 11.00
390 169.55 188.50 12.03 11.00
395 159.04 176.58 11.99 11.00
400 149.84 165.39 11.94 11.00
405 141.71 155.46 11.91 11.00
410 135.62 147.03 11.87 11.00
415 129.82 14 0.3 0 11.85 11.00
420 124.25 134.06 11.82 11.00
425 118.98 128.21 11.79 11.00
430 114.01 122.70 11.77 11.00
435 109.33 117.52 11.75 11.00
440 104.99 112.65 11.73 11.00
445 100.89 108.08 11.71 11.00
450 97.04 103.80 11.69 11.00
455 93.41 100.11 11.68 11.00
460 89.96, 96.52 11.68 11.00
465 86.70 93.02 11.84 11.00
470 83.54 89.85 11.63 11.00
475 80.50 86.39 11.61 11.00
10YEAR.XLS

John R. McAdams Company, Inc. Page 5
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet) .
480 77.53 83.25 11.60 11.00
485 74.64 80.19 11.58 11.00
490 71.82 77.22 11.57 11.00
495 69.08 74.33 11.55 11.00
500 66.42 71.52 11.54 11.00
505 63.85 88.83 11.53 11.00
510 61.38 66.35 11.51 11.00
515 59.03 63.90 11.50 11.00
520 56.78 61.36 11.49 11.00
525 54.65 58.94 11.47 11.00
530 52.63 56.67 11.46 11.00
535 50.72 54.54 11.45 11.00
540 48.93 52.52 11.44 11.00
545 47.26 50.63 11.43 11.00
550 45.70 48.86 11.42 11.00
555 44.23 47.19 11.41 11.00
560 42.86 45.63 11.40 11.00
565 41.58 44.17 11.39 11.00
570 40.38 42.90 11.38 11.00
575 39.27 41.74 11.38 11.00
580 38.24 40.60 11.37 11.00
585 37.28 39.52 11.36 11.00
590 38.38 38.50 11.36 11.00
595 35.55 37.54 11.35 11.00
600 34.78 38.64 11.34 11.00
605 34.06 35.80 11.34 11.00
610 33.39 35.01 11.33 11.00
615 32.76 34.28 11.33 11.00
620 32.17 33.59 11.32 11.00
625 31.81 32.95 11.32 11.00
630 31.08 32.34 11.32 11.00
635 30.57 31.77 11.31 11.00
640 30.07 31.22 11.31 11.00
645 29.58 30.69 11.31 11.00
650 29.09 30.17 11.30 11.00
655 28.59 29.67 11.30 11.00
660 28.09 29.16 11.30 11.00
665 27.58 28.68 11.29 11.00
670 27.07 28.15 11.29 11.00
675 26.55, 27.65 11.29 11.00
680 26.04 27.13 11.28 11.00
685 25.53 26.62 11.28 11.00
690 25.03 26.11 11.28 11.00
695 24.54 25.81 11.27 11.00
700 24.06 25.13 11.27 11.00
705 23.60 24.71 11.27 11.00
710 23.15 24.28 11.26 11.00
715 22.73 23.85 11.26 11.00
720 22.33 23.43, 11.26 11.00
10YEAR.XLS

John R. McAdams Company,Inc. Page 6
Time Inflow Outflow W.S.EL Weir El.
(min) (cfs) (cfs) i (feet) (feet) .
725 21.94 23.01 11.25 11.00
730 21.58 22.61 11.25 11.00
735 21.24 22.23 11.25 11.00
740 20.92 21.86 11.24 11.00
745 20.62 21.51 11.24 11.00
750 20.33 21.18 11.24 11.00
755 20.06 20.86 11.24 11.00
760 19.80 20.56 11.23 11.00
765 19.55 20.27 11.23 11.00
770 19.31 20.00 11.23 11.00
775 19.09 19.74 11.23 11.00
780 18.87 19.50 11.22 11.00
785 18.66 19.26 11.22 11.00
790 18.46 19.04 11.22 11.00
795 18.27 18.82 11.22 11.00
800 18.09 18.62 11.22 11.00
805 17.91 18.42 11.22 11.00
810 17.74 18.23 11.21 11.00
815 17.57 18.04 11.21 11.00
820 17.41 17.86 11.21 11.00
825 17.25 17.69 11.21 11.00
830 17.10 17.53 11.21 11.00
835 16.95 17.37 11.21 11.00
840 16.81 17.21 11.21 11.00
845 16.67 17.06 11.21 11.00
850 16.53 16.91 11.20 11.00
855 18.40 16.77 11.20 11.00
860 18.27 16.63 11.20 11.00
865 16.14 16.49 11.20 11.00
870 16.01 18.38 11.20 11.00
875 15.89 16.23 11.20 11.00
880 15.77 16.10 11.20 11.00
885 15.66 15.98 11.20 11.00
890 15.54 15.85 11.20 11.00
895 15.43 15.74 11.19 11.00
900 15.32 15.62 11.19 11.00
905 15.21 15.50 11.19 11.00
910 15.10 15.39 11.19 11.00
915 15.00 15.28 11.19 11.00
920 14.89 15.17 11.19 11.00
925 14.79 15.07 11.19 11.00
930 14.69 14.96 11.19 11.00
935 14.60 14.88 11.19 11.00
940 14.50 14.76 11.19 11.00
945 14.41 14.66 11.19 11.00
950 14.31 1 14.58 11.19 11.00
955 14.22 14.47 11.18 11.00
960 14.13 14.37 11.18 11.00
965 14.04 14.28 11.18 11.00
10YEAR.XLS

� /7V
John R. McAdams Company, Inc. Page 7
Time Inflow Outflow W.B. El. Weir El.
(min) (cfs) (cfs) (feet) (feet) .
970 13.96 14.19 11.18 11.00
975 13.87 14.10 11.18 11.00
980 13.78. 14.01 11.18. 11.00
985 13.69 13.92 11.18 11.00
990 13.58 13.83 11.18 11.00
995 13.45 13.73 11.18 11.00
1000 13.28 13.61 11.18 11.00
1005 13.06 13.47 11.18 11.00
1010 12.79 13.29 11.18 11.00
1015 12.44 13.071 11.17 11.00
1020 12.01 12.83 11.17 11.00
1025 11.51 12.55 11.17 11.00
1030 10.95 12.21 11.17 11.00
1035 10.33 11.80 11.16 11.00
1040 9.68 11.33 11.16 11.00
1045 9.01 10.82 11.15 11.00
1050 8.32 10.26 11.15 11.00
1055 7.63 9.66 11.14 11.00
1060 6.96 9.05 11.13 11.00
1065 6.30 8.42 11.13 11.00
1070 5.68 7.79 11.12 11.00
1075 5.10 7.16 11.11 11.00
1080 4.56 6.56 11.11 11.00
1085 4.08 5.98 11.10 11.00
1090 3.63 5.43 11.10 11.00
1095 3.23 5.04 11.09 11.00
1100 2.88 4.66 11.09 11.00
1105 2.55 4.28 11.08 11.00
1110 2.26 3.92 11.08 11.00
1115 2.01 3.57 11.07 11.00
1120 1.78 3.25 11.07 11.00
1125 1.57 2.94 11.06 11.00
1130 1.39 2.66 11.06 11.00
1135 1.23 2.39 11.05 11.00
1140 1.08 2.15 11.05 11.00
1145 0.95 1.93 11.05 11.00
1150 0.84 1.73 11.04 11.00
1155 0.74 1.57 11.04 11.00
1160 0.65 1.47 11.04 11.00
1165 0.57 1.36 11.04 11.00
1170 0.50 1.26 11.03 11.00
1175 0.44 1.16 11.03 11.00
1180 0.39 1.07 11.03 11.00
1185 0.34 0.98 11.03 11.00
1190 0.30 0.90 11.03 11.00
1195 0.26 0.82 11.031 11.00
1200 0.23 0.75 11.02 11.00
1205 0.20 0.69 11.02 11.00
1210 0.18 0.82 11.02 11.00
10YEAR.XLS

John R. McAdams Company,Inc, Page 8
Time Inflow Outflow W.S.El. Weir El.
min cfs cfs feet feet
1215 0.15 0.57 11.02 11.00
1220 0.13 0.51 11.02 11.00
1225 0.12, 0.47 11.02 11.00
1230 0.10 0.42 11.02 11.00
1235 0.09 0.38 11.01 11.00
1240 0.07 0.34 11.01 11.00
1245 0.06 0.31 11,01 11.00
1250 0.05 0.28 11.01 11.00
1255 0.05 0.25 11.01 11.00
1280 0.04 0.22 11.01 11.00
1285 0.03 0.20 11.01 11.00
1270 0.03 0.19 11.01 11.00
1275 0,02 0.18 11.01 11.00
1280 0.02 0.17 11.01 11.00
1285 0.01 0.17 11.01 11.00
1290 0.01 0.16 11.01 11.00
1295 0.01 0.15 11.01 11.00
1300 0.01 0.14 11.01 11.00
1305 0.00 0.13 11.01 11.00
1310 0.00 0.13 11.01 11.00
1315 0.00 0.12 11.01 11.00
1320 0.00 0.11 11.01 11.00
1325 0.00 0.11 11.01 11.00
1330 0.00 0.10 11.01 11.00
1335 0.00 0.10 11.01 11.00
1340 0.00 0.09 11.00 11.00
10YEAR.XLS

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John R. McAdams Company, Inc. Page 3' /3 '
Time Inflow Outflow W.S.El. Weir El,
(min) (cfs) (cfs) (feet) (feet)
0 0.00 0.00 10.65 11.00
5 0.01 0.00 10.65 11.00
10 0.01 0.00 10.85 11.00
15 0.02 0.00 10.65 11.00
20 0.04 0.00 10.65 11.00
25 0.06 0.00 10.65 11.00
30 0.10 0.00 10.65 11.00
35 0.14 0.00 10.65 11.00
40 0.20 0.00 10.65 11.00
45 0.28 0.00 10.65 11.00
50 0.37 0.00 10.136 11.00
55 0.48 0.00 10.86 11.00
60 0.61 0.00 10.66 11.00
65 0.76 0.00 10.66 11.00
70 0.93 0.00 10.67 11.00
75 1.12 0.00 10.67 11.00
80 1.33 0.00 10.68 11.00
85 1.55 0.00 10.69 11.00
90 1.79 0.00 10.89 11.00
95 2.06 0.00 10.70 11.00
100 2.33 0.00 10.72 11.00
105 2.63 0.00 10.73 11.00
110 2.94 0.00 10.74 11.00
115 3.27 0.00 10.76 11.00
120 3.61 0.00 10.77 11.00
125 3.97 0.00 10.79 11.00
130 4.35 0.00 10.81 11.00
135 4.75 0.00 10.84 11.00
140 5.17 0.00 10.86 11.00
145 5.62 0.00 10.89 11.00
150 8.11 0.00 10.92 11.00
155 6.64 0.00 10.95 11.00
160 7.23 0.00 10.99 11.00
185 7.88 0.33 11.01 11.00
170 8.60 1.31 11.04 11.00
175 9.39 2.63 11.06 11.00
180 10.25 4.03 11.08 11.00
185 11.19 5.33 11.10 11.00
190 12.20 6.94 11.11 11.00
195 13.27 8.45 11.13 11.00
200 14.41 9.85 11.14 11.00
205 15.62 11.19 11.16 11.00
210 18.89 12.51 11.17 11.00
215 18.22 14.03 11.18 11.00
220 19.61 15.60 11.19 11.00
225 21.08 17.12 11.21 11.00
230 22.54 18.63 11.22 11.00
25YEAR.XLS

John R. McAdams Company,Inc. Page 4
Time Inflow Outflow W.S.El. Weir El.
(min) (cfs) (cfs) (feet) (feet) .
235 24.07 20.13 11.23 11.00
240 25.63 21.65 11.24 11.00
245 27.23, 23.19 11.25 11.00
250 28.84 24.75 11.27 11.00
255 30.46 28.51 11.28 11.00
260 32.06 28.31 11.29 11.00
285 33.65 30.04 11.30 11.00
270 35.21 31.70 11.31 11.00
275 38.76 33.33 11.32 11.00
280 38.29 34.92 11.33 11.00
285 39.90 36.50 11.34 11.00
290 41.72 38.14 11.35 11.00
295 43.93 39.91 11.36 11.00
300 46.84 41.99 11.38 11.00
305 50.90 44.72 11.39 11.00
310 56.86 48.63 11.42 11.00
315 65.76 54.05 11.45 11.00
320 78.20 61.72 11.49 11.00
325 94.51 71.84 11.54 11.00
330 114.85 85.86 11.61 11.00
335 139.26 103.44 11.69 11.00
340 167.58 128.93 11.79 11.00
345 198.66 153.77 11.90 11.00
350 236.89 185.81 12.02 11.00
355 274.36 220.81 12.14 11.00
360 307.38 258.79 12.27 11.00
365 334.82 291.10 12.38 11.00
370 358.12 320.75 12.47 11.00
375 370.96 343.83 12.54 11-.00
380 379.22 380.98 12.59 11.00
385 381.07 371.62 12.62 11.00
390 377.31 375.82 12.63 11.00
395 368.62 374.24 12.63 11.00
400 355.82 367.57 12.81 11.00
405 339.85 356.56 12.58 11.00
410 321.14 342.29 12.53 11.00
415 301.66 325.67 12.48 11.00
420 282.11 307.25 12.43 11.00
425 263.18 288.38 12.37 11.00
430 245.32 269.77 12.31 11.00
435 228.89 252.95 12.25 11.00
440 214.10 236.79 12.20 11.00
445 200.78 221.72 12.15 11.00
450 188.88 207.90 12.10 11.00
455 178.18 195.72 12.06 11.00
460 168.59 184.82 12.02 11.00
465 160.03 174.65 11.98 11.00
470 152.23 165.33 11.94 11.00
475 145.24 156.98 11.91 11.00
25YEAR.XLS

John R.McAdams Company, Inc. Page 5
Time Inflow Outflow W.B. El. Weir El.
min cfs cfs feet feet .
480 140.16 149.79 11.88 11.00
485 135.18 143.93 11.86 11.00
490 130.40 138.69 11.84 11.00
495 125.78 133.71 11.82 11.00
500 121.35 128.94 11.80 11.00
505 117.09 124.37 11.78 11.00
510 113.00 119.99 11.76 11.00
515 109.06 115.78 11.74 11.00
520 105.23 111.72 11.73 11.00
525 101.49 107.79 11.71 11.00
530 97.83 103.97 11.69 11.00
535 94.23 100.53 11.68 11.00
540 90.71 97.09 11.66 11.00
545 87.26 93.83 11.64 11.00
550 83.92 90.20 11.63 11.00
555 80.68 86.83 11.61 11.00
560 77.55 83.54 11.60 11.00
565 74.57 80.35 11.58 11.00
570 71.71 77.27 11.57 11.00
575 89.00 74.32 11.55 11.00
580 86.43 71.50 11.54 11.00
585 64.00 68.85 11.53 11.00
590 81.73 86.46 11.51 11.00
595 59.60 64.15 11.50 11.00
600 57.81 61.82 11.49 11.00
605 55.75 59.62 11.48 11.00
610 54.01 57.59 11.47 11.00
815 52.38 55.71 11.46 11.00
620 50.86 53.96 11.45 11.00
825 49.44 52.33 11.44 11.00
630 48.14 50.82 11.43 11.00
835 46.92 49.41 11.42 11.00
640 45.79 48.10 11.41 11.00
845 44.73 46.89 11.41 11.00
650 43.78 45.76 11.40 11.00
655 42.85 44.71 11.39 11.00
660 42.00 43.73 11.39 11.00
665 41.20 42.91 11.38 11.00
670 40.46 42.12 11.38 11.00
675 39.75 41.36 11.37 11.00
680 39.08 40.82 11.37 11.00
685 38.43 39.91 11.36 11.00
890 37.80 39.23 11.36 11.00
695 37.18 38.57 11.36 11.00
700 36.56 37.92 11.35 11.00 .
705 35.93 37.29 11.35 11.00
710 35.30 36.65 11.34 11.00
715 34.681 36.02 11.34 11.00
720 34.011 35.38 11.34 11.00
25YEAR.XLS

C/
John R.McAdams Company,Inc. Page 8 f 52
Time I Inflow Outflow W.S.El. Weir El.
(min) (cfs) (cfs) (feet) (feet) ,
725 33.36 34.73 11.33 11.00
730 32.71 34.09 11.33 11.00
735 32.96 n3.44 11.32 11.00
740 31.42 32.80 11.32 11.00
745 30.80 32.18 11.31 11.00
750 30.20 31.53 11.31 11.00
755 29.61 30.91 11.31 11.00
760 29.05 30.31 11.30 11.00
785 28.51 29.73 11.30 11.00
770 28.00 29.17 11.30 11.00
775 27.52 28.64 11.29 11.00
780 27.07 28.13 11.29 11.00
785 26.84 27.64 11.29 11.00
790 28.23 27.18 11.28 11.00
795 25.85 26.75 11.28 11.00
800 25.48 28.34 11.28 11.00
805 25.14 25.95 11.27 11.00
810 24.81 25.58 11.27 11.00
815 24.49 25.23 11.27 11.00
820 24.20 24.95 11.27 11.00
825 23.91 24.68 11.27 11.00
830 23.64 24.38 11.26 11.00
835 23.38 24.10 11.26 11.00
840 23.13 23.83 11.26 11.00
845 22.89 23.56 11.26 11.00
850 22.86 23.31 11.25 11.00
855 22.43 23.06 11.25 11.00
860 22.22 22.83 11.25 11.00
865 22.01 22.60 11.25 11.00
870 21.80 22.37 11.25 11.00
875 21.61 22.16 11.25 11.00
880 21.42 21.95 11.24 11.00
885 21.23 21.75 11.24 11.00
890 21.05 21.55 11.24 11.00
895 20.87 21.38 11.24 11.00
900 20.70 21.18 11.24 11.00
905 20.53 21.00 11.24 11.00
910 20.37 20.82 11.24 11.00
915 20.21 20.65 11.23 11.00
920 20.05 20.48 11.23 11.00
925 19.90 20.32 11.23 11.00
930 19.75 20.16 11.23 11.00
935 19.60 20.01 11.23 11.00
940 19.46 19.85 11.23 11.00
945 19.32 19.70 11.23 11.00
950 19.18 19.56 11.23 11.00
955 19.04 19.41 11.22 11.00
980 18.91 19.27 11.22 11.00
965 18.78 19.13 11.22 11.00
25YEEA.R.XLE

John R. McAdams Company, Inc. rage 7154
Time Inflow Outflow W.5.El. Weir El.
(min) (cfs) (cfs) (feet) (feet)
970 18.65 19.00 11.22 11.00
975 18.52 18.87 11.22 11.00
980 18.40 18.73 11.22 11.00
985 18.27 18.61 11.22 11.00
990 18.15 18.48 11.22 11.00
995 18.04 18.36 11.22 11.00
1000 17.92 18.23 11.21 11.00
1005 17.80 18.11 11.21 11.00
1010 17.89 18.00 11.21 11.00
1015 17.58 17.88 11.21 11.00
1020 17.47 17.77 11.21 11.00
1025 17.36 17.65 11.21 11.00
1030 17.28 17.54 11.21 11.00
1035 17.14 17.43 11.21 11.00
1040 17.00 17.32 11.21 11.00
1045 16.83 17.19 11.21 11.00
1050 16.62 17.04 11.21 11.00
1055 16.35 16.86 11.20 11.00
1060 16.01 16.64 11.20 11.00
1085 15.57 16.37 11.20 11.00
1070 15.04 16.02 11.20 11.00
1075 14.41 15.61 11.19 11.00
1080 13.71 15.11 11.19 11.00
1085 12.94 14.53 11.19 11.00
1090 12.12 13.89 11.18 11.00
1095 11.27 13.18 11.17 11.00
1100 10.41 12.53 11.17 11.00
1105 9.55 11.86 11.16 11.00
1110 8.71 11.15 11.15 11.00
1115 7.89 10.41 11.15 11.00
1120 7.11 9.65 11.14 11.00
1125 6.38 8.90 11.13 11.00
1130 5.71 8.16 11.12 11.00
1135 5.10 7.44 11.12 11.00
1140 4.55 6.78 11.11 11.00
1145 4.05 6.12 11.10 11.00
1150 3.60 5.52 11.10 11.00
1155 3.20 5.09 11.09 11.00
1160 2.83 4.89 11.09 11.00
1165 2.51 4.30 11.08 11.00
1170 2.22 3.92 11.08 11.00
1175 1.97 3.57 11.07 11.00
1180 1.74 3.24 11.07 11.00
1185 1.53 2.93 11.06 11.00
1190 1.35 2.84 11.06 11.00
11951 1.19 2.37 11.05 11.00
1200 1.05 2.13 11.05 11.00
1205 0.93 1.91 11.05 11.00
1210 0.82 1.71 11.04 11.00
25YEAR.XLS

2/;
John R. McAdams Company, Inc. Page 8
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet) .
1215 0.72 1.56 11.04 11.00
1220 0.63 1.45 11.04 11.00
1225 0.56 1,34 11.04. 11.00
1230 0.49 1.24 11.03 11.00
1235 0.43 1.14 11.03 11.00
1240 0.38 1.05 11.03 11.00
1245 0.33 0.97 11.03 11.00
1250 0.29 0.88 11.03 11.00
1255 0.25 0.81 11.02 11.00
1260 0.22 0.74 11.02 11.00
1265 0.19 0.87 11.02 11.00
1270 0.17 0.61 11.02 11.00
1275 0.14 0.55 11.02 11.00
1280 0.13 0.50 11.02 11.00
1285 0.11 0.45 11.02 11.00
1290 0.09 0.41 11.02 11.00
1295 0.08 0.37 11.01 11.00
1300 0.07 0.33 11.01 11.00
1305 0.06 0.30 11.01 11.00
1310 0.05 0.27 11.01 11.00
1315 0.04 0.24 11.01 11.00
1320 0.03 0.22 11.01 11.00
1325 0.03 0.20 11.01 11.00
1330 0.02 0.19 11.01 11.00
1335 0.02 0.18 11.01 11.00
1340 0.01 0.17 11.01 11.00
1345 0.01 0.16 11.01 11.00
1350 0.01 0.15 11.01 11.00
1355 0.01 0.15 11.01 11.00
1360 0.00 0.14 11.01 11.00
1365 0.00 0.13 11.01 11.00
1370 0.00 0.12 11.01 11.00
1375 0.00 0.12 11.01 11.00
1380 0.00 0.11 11.01 11.00
1385 0.00 0.10 11.01 11.00
1390 0.00 0.10 11.01 11.00
1395 0.00 0.09 11.00 11.00
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.'ohn R.McAdams Company, Inc. Page 3 %52"
Time Inflow Outflow W.S. El. Weir El,
min cfs cfs feet feet
0 0.00. 0.00 10.85 11.00
5 0.01 0.00 10.65 11.00
10 0.01 0.00 10.65 11.00
15 0.03 0.00 10.65 11.00
20 0.05 0.00 10.65 11.00
25 0.08 0.00 10.65 11.00
30 0.12 0.00 10.65 11.00
35 0.17 0.00 10.65 11.00
40 0.24 0.00 10.65 11.00
45 0.33 0.00 10.65 11.00
50 0.44 0.00 10.66 11.00
55 0.56 0.00 10.66 11.00
60 0.71 0.00 10.66 11.00
65 0.88 0.00 10.67 11.00
70 1.07 0.00 10.67 11.00
75 1.27 0.00 10.88 11.00
80 1.50 0.00 10.68 11.00
85 1.75 0.00 10.69 11.00
90 2.02 0.00 10.70 11.00
95 2.31 0.00 10.71 11.00
100 2.81 0.00 10.72 11.00
105 2.93 0.00 10.74 11.00
110 3.28 0.00 10.75 11.00
115 3.82 0.00 10.77 11.00
120 3.99 0.00 10.79 11.00
125 4.37 0.00 10.81 11.00
130 4.77 0.00 10.83 11.00
135 5.18 0.00 10.86 11.00
140 5.61 0.00 10.89 11.00
145 6.06 0.00 10.92 11.00
150 6.52 0.00 10.95 11.00
155 7.00 0.00 10.98 11.00
160 7.49 0.19 11.01 11.00
165 8.01 1.12 11.03 11.00
170 8,56 2.22 11.05 11.00
175 9.14 3.51 11.07 11.00
180 9.78 4.86 11.09 11.00
185 10.46 5.81 11.10 11.00
190 11.22 7.12 11.11 11.00
195 12.06 8.30 11.13 11.00
200 12.98 9.39 11.14 11.00
205 14.00 10.46 11.15 11.00
210 15.11 11.52 11.18 11.00
215 16.32 12.61 11.17 11.00
220 17.80 13.94 11.18 11.00
225 18.98 15.34 11.19 11.00
230 20.43 16.74 11.20 11.00
50YEAR.XLS

36/
John R. McAdams Company,Inc. Page 4 /5Z.-
Time Inflow Outflow W.S.El. Weir El.
(min) (cfs) (cfs) (feet) (feet) .
235 21.96 18.18 11.21 11.00
240 23.56 19.65 11.23 11.00
245 25.23 21.18 11.24, 11.00 •
250 26.98 22.76 11.25 11.00
255 28.78 24.41 11.26 11.00
280 30.82 26.26 11.28 11.00
265 32.51 28.27 11.29 11.00
270 34.43 30.24 11.30 11.00
275 36.38 32.20 11.31 11.00
280 38.36 34.16 11.33 11.00
285 40.33 38.13 11.34 11.00
290 42.27 38.09 11.35 11.00
295 44.18 40.04 11.37 11.00
300 48.08 41.96 11.38 11.00
305 47.91 43.90 11.39 11.00
310 49.73 46.00 11.40 11.00
315 51.62 48.00 11.41 MOO
320 53.76 50.00 11.42 11.00
325 58.36 52.16 11.44 11.00
330 59.80 54.89 11.45 11.00
335 64.62 57.91 11.47 11.00
340 71.89 62.29 11.49 11.00
345 82.21 68.23 11.52 11.00
350 96.82 77.24 11.57 11.00
355 115.95 89.67 11.63 11.00
360 139.73 106.21 11.70 11.00
365 168.18 128.68 11.80 11.00
370 201.05 155.51 11.91 11.00
375 243.83 188.92 12.03 11.00
380 287.46 227.64 12.17 11.00
385 328.39 268.88 12.31 11.00
390 384.82 311.28 12.44 11.00
395 395.28 348.43 12.55 11.00
400 418.89 380.96 12.65 11.00
405 435.20 408.54 12.72 11.00
410 443.99 424.89 12.77 11.00
415 445.47 435.90 12.80 11.00
420 440.51 439.84 12.81 11.00
425 429.91 437.27 12.81 11.00
430 414.61 428,94 12.78 11.00
435 395.51 415.88 12.74 11.00
440 373.78 398.45 12.70 11.00
445 350.99 378.43 12.84 11.00
450 328.16 356.86 12.58 11.00
455 308.10 335.33 12.51 11.00
460 285.29 313.80 12.45 11.00
465 266.17 293.04 12.38 11.00
470 248.94 273.69 12.32 11.00
475 233.43 256.72 12.27 11.00
SAYEAR.XLS

3-7
John R. McAdams Company,Inc. Page 5
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet)
480 219.57 241.20 12.21 11.00
485 207.12 226.89 12.16 11.00
490 195.95 213.87 12.12 11.00
495 185.98 202.10 12.08 11.00
500 178.90 192.02 12.04 11.00
505 168.68 182.64 12.01 11.00
510 181.17 173.80 11.98 11.00
515 154.30 165.71 11.95 11.00
520 148.03 158.39 11.92 11.00
525 143.14 151.94 11.89 11.00
530 138.68 148.45 11.87 11.00
535 134.21 141.74 11.85 11.00
540 129.83 137.17 11.83 11.00
545 125.55 132.72 11.81 11.00
550 121.32 128.35 11.80 11.00
555 117.14 124.06 11.78 11.00
560 113.00 119.84 11.76 11.00
565 108.91 115.66 11.74 11.00
570 104.89 111.54 11.73 11.00
575 100.93 107.48 11.71 11.00
580 97.08 103.50 11.69 11.00
585 93.35 99.96 11.87 11.00
590 89.73 98.37 11.68 11.00
595 86.28 92.80 11.64 11.00
600 82.97 89.31 11.82 11.00
605 79.82 85.93 11.61 11.00
610 78.84 82.69 11.59 11.00
615 74.02 79.59 11.58 11.00
620 71.38 76.65 11.56 11.00
625 68.91 73.88 11.55 11.00
630 66.60 71.26 11.54 11.00
635 64.44 68.85 11.53 11.00
640 62.41 66.68 11.52 11.00
645 60.52 64.60 11.50 11.00
650 58.75 62.55 11.49 11.00
655 57.12 60.58 11.48 11.00
660 55.60 58.77 11.47 11.00
665 54.19 57.11 11.46 11.00
670 52.87 55.58 11.46 11.00
675 51.65 54.16 11.45 11.00
680 50.52 52.85 11.44 11.00
685 49.47 51.83 11.43 11.00
690 48.48 50.49 11.43 11.00
695 47.56 49.44 11.42 11.00
700 46.70 48.45 11.42 11.00
705 45.88 47.53 11.41 11.00
710 45.10 46.66 11.41 11.00
715 44.35 45.83 11.40 11.00
720 43.62 45.04 11.40 11.00
5OVEAR.XLS

John R. McAdams Company, Inc. Page 6 A-Z
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet) .
725 42.90 44.28 11.39 11.00
730 42.19 43.55 11.39 11.00
735 41.47 42.90 11.38 11.00
740 40.74 42.22 11.38 11.00
745 40.01 41.52 11.38 11.00
750 39.26 40.80 11.37 11.00
755 38.52 40.08 11.37 11.00
760 37.77 39.35 11.36 11.00
765 37.04 38.61 11.36 11.00
770 36.31 37.88 11.35 11.00
775 35.60 37.15 11.35 11.00
780 34.91 36.43 11.34 11.00
785 34.24 35.73 11.34 11.00
790 33.60 35.04 11.33 11.00
795 32.99 34.38 11.33 11.00
800 32.41 33.74 11.32 11.00
805 31.86 33.13 11.32 11.00
810 31.34 32.55 11.32 11.00
815 30.85 32.00 11.31 11.00
820 30.38 31.47 11.31 11.00
825 29.94 30.97 11.31 11.00
830 29.52 30.50 11.30 11.00
835 29.13 30.06 11.30 11.00
840 28.75 29.63 11.30 11.00
845 28.39 29.23 11.30 11.00
850 28.05 28.85 11.29 11.00
855 27.72 28.48 11.29 11.00
860 27.41 28.13 11.29 11.00
865 27.11 27.80 11.29 11.00
870 28.82 27.48 11.28 11.00
875 26.54 27.18 11.28 11.00
880 26.28 28.89 11.28 11.00
885 26.02 28.81 11.28 11.00
890 25.77 26.34 11.28 11.00
895 25.53 26.08 11.28 11.00
900 25.29 25.82 11.27 11.00
905 25.07 25.58 11.27 11.00
910 24.84 25.34 11.27 11.00
915 24.83 25.14 11.27 11.00
920 24.42 24.94 11.27 11.00
925 24.22 24.74 11.27 11.00
930 24.02 24.54 11.26 11.00
935 23.82 24.34 11.26 11.00
940 23.63 24.14 11.28 11.00
945 23.45 23.95 11.26 11.00
950 23.27 23.76 11.28 11.00
955 23.09 23.57 11.26 11.00
960 22.92 23.39 11.26 11.00
985 22.74 23.21 11.25 11.00
50YEA.R.XLS

John R. McAdams Company,Inc. Page 7 �/5
Time Inflow Outflow W.S.El. Weir El.
(min) (cfs) (cfs) (feet) (feet)
970 22.58 23.03 11.25 11.00
975 22.41 22.86 11.25 11.00
980 22.25 22.69 11.25 11.00
985 22.09 22.52 11.25 11.00
990 21.94 22.36 11.25 11.00
995 21.79 22.20 11.25 11.00
1000 21.64 22.04 11.24 11.00
1005 21.49 21.89 11.24 11.00
1010 21.35 21.74 11.24 11.00
1015 21.21 21.59 11.24 11.00
1020 21.07 21.44 11.24 11.00
1025 20.93 21.30 11.24 11.00
1030 20.79 21.16 11.24 11.00
1035 20.66 21.02 11.24 11.00
1040 20.53 20.88 11.24 11.00
1045 20.40 20.75 11.23 11.00
1050 20.27 20.62 11.23 11.00
1055 20.15 20.49 11.23 11.00
1060 20.03 20.38 11.23 11.00
1065 19.89 20.23 11.23 11.00
1070 19.73 20.09 11.23 11.00
1075 19.54 19.95 11.23 11.00
1080 19.29 19.77 11.23 11.00
1085 18.97 19.57 11.23 11.00
1090 18.57 19.31 11.22 11.00
1095 18.07 18.99 11.22 11.00
.1100 17.45 18.60 11.22 11.00
1105 16.73 18.11 11.21 11.00
1110 15.91 17.53 11.21 11.00
1115 15.01 16.87 11.20 11.00
1120 14.07 16.12 11.20 11.00
1125 13.08 15.30 11.19 11.00
1130 12.08 14.43 11.18 11.00
1135 11.08 13.51 11.18 11.00
1140 10.10 12.84 11.17 11.00
1145 9.16 11.86 11.18 11.00
1150 8.25 11.04 11.15 11.00
1155 7.41 10.20 11.15 11.00
1160 8.63 9.38 11.14 11.00
1165 5.92 8.57 11.13 11.00
1170 5.28 7.80 11.12 11.00
1175 4.70 7.07 11.11 11.00
1180 4.18 6.38 11.11 11.00
1185 3.71 5.75 11.10 11.00
1190 3.29 5.24 11.09 11.00
1195 2.91 4.82 11.09 11.00
1200 2.58 4.42 11.08 11.00
1205 2.28, 4.03 11.08 11.00
1210 2.02 3.67 11.07 11.00
50YEAR.XLS

L1 p
John R. McAdams Company, Inc. Page 8 /�Z
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cm) (feet) (feet)
1215 1.78 3.32 11.07 11.00
1220 1.57 3.00 11.06 11.00
1225 1.39 2.71 • 11.06 11.00
1230 1.22 J 2.44 11.05 11.00
1235 1.08 2.19 11.05 11.00
1240 0.95 1.96 11.05 11.00
1245 0.83 1.75 11.05 11.00
1250 0.73 1.58 11.04 11.00
1255 0.84 1.47 11.04 11.00
1260 0.57 1.36 11.04 11.00
1265 0.50 1.28 11.04 11.00
1270 0.44 1.16 11.03 11.00
1275 0.38 1.07 11.03 11.00
1280 0.33 0.98 11.03 11.00
1285 0.29 0.90 11.03 11.00
1290 0.26 0.82 11.02 11.00
1295 0.22 0.75 11.02 11.00
1300 0.19 0.88 11.02 11.00
1305 0.17 0.82 11.02 11.00
1310 0.15 0.56 11.02 11.00
1315 0.13 0.51 11.02 11.00
1320 0.11 0.46 11.02 11.00
1325 0.09 0.42 11.02 11.00
1330 0.08 0.38 11.01 11.00
1335 0.07 0.34 11.01 11.00
1340 0.08 0.30 11.01 11.00
1345 0.05 0.27 11.01 11.00
1350 0.04 0.24 11.01 11.00
1355 0.03 0.22 11.01 11.00
1380 0.02 0.20 11.01 11.00
1365 0.02 0.19 11.01 11.00
1370 0.02 0.18 11.01 11.00
1375 0.01 0.17 11.01 11.00
1380 0.01 0.18 11.01 11.00
1385 0.01 0.15 11.01 11.00
1390 0.01 0.15 11.01 11.00
1395 0.00 0.14 11.01 11.00
1400 0.00 0.13 11.01 11.00
1405 0.00 0.12 11.01 11.00
1410 0.00 0.12 11.01 11.00
1415 0.00 0.11 11.01 11.00
1420 0.00 0.10 11.01 11.00
1425 0.00 0.10 11.01 11.00
1430 0.00 0.09 11.00 11.00
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John R. McAdams Company,Inc. Page 3 /52:-
Time Inflow I Outflow W.S.El. Weir El.
(min) (cfs) (cfs) (feet) (feet)
0 0.00 0.00 10.65 11.00
5 0.01 0.00 10.65 11.00
10 0.01 0.00 10.65 11.00
15 0.03 0.00 10.65 11.00
20 0.04 0.00 10.85 11.00
25 0.07 0.00 10.65 11.00
30 0.11 0.00 10.65 11.00
35 0.17 0.00 10.65 11.00
40 0.24 0.00 10.65 11.00
45 0.33 0.00 10.65 11.00
50 0.44 0.00 10.66 11.00
55 0.57 0.00 10.66 11.00
60 0.73 0.00 10.66 11.00
65 0.91 0.00 10.67 11.00
70 1.11 0.00 10.67 11.00
75 1.34 0.00 10.68 11.00
80 1.58 0.00 10.68 11.00
85 1.86 0.00 10.69 11.00
90 2.15 0.00 10.70 11.00
95 2.46 0.00 10.71 11.00
100 2.79 0.00 10.73 11.00
105 3.14 0.00 10.74 11.00
110 3.51 0.00 10.76 11.00
115 3.89 0.00 10.78 11.00
120 4.29 0.00 10.80 11.00
125 4.71 0.00 10.82 11.00
130 5.14 0.00 10.85 11.00
135 5.59 0.00 10.87 11.00
140 6.06 0.00 10.90 11.00
145 6.54 0.00 10.93 11.00
150 7.03 0.00 10.97 11.00
155 7.54 0.05 11.00 11.00
160 8.07 0.82 11.03 11.00
165 8.61 1.83 11.05 11.00
170 9.18 3.20 11.07 11.00
175 9.75 4.42 11.08 11.00
180 10.35 5.53 11.10 11.00
185 10.96 6.86 11.11 11.00
190 11.60 8.01 11.12 11.00
195 12.28 9.03 11.13 11.00
200 13.00 9.97 11.14 11.00
205 13.78 10.86 11.15 11.00
210 14.62 11.73 11.16 11.00
215 15.55 12.60 11.17 11.00
220 16.58 13.64 11.18 11.00
225 17.72 14.77 11.19 11.00
230 18.97 15.92 11.20 11.00
100YEAR.XLS

44
John R. McAdams Company,Inc. Page 4 �5Z
Time inflow Outflow W.S.El. Weir EL
(min) (cfs) (cfs) (feet) (feet) ,
235 20.34 17.12 11.21 11.00
240 21.81 18.39 11.22 11.00
245 23.39 19.75 11.23 11.00
250 25.07 21.19 11.24 11.00
255 26.84 22.72 11.25 11.00
260 28.70 24.35 11.26 11.00
265 30.64 28.20 11.28 11.00
270 32.65 28.26 11.29 11.00
275 34.75 30.33 11.30 11.00
280 36.91 32.41 11.32 11.00
285 39.12 34.54 11.33 11.00
290 41.36 36.70 11.34 11.00
295 43.85 38.90 11.36 11.00
300 45.98 41.14 11.37 11.00
305 48.29 43.41 11.39 11.00
310 50.62 45.96 11.40 11.00
315 52.90 48.44 11.42 11.00
320 55.15 50.83 11.43 11.00
325 57.35 53.15 11.44 11.00
330 59.51 55.41 11.45 11.00
335 61.63 57.61 11.47 11.00
340 63.83 59.80 11.48 11.00
345 66.32 62.06 11.49 11.00
350 69.35 64.47 11.50 11.00
355 73.37 67.22 11.52 11.00
380 78.09 70.90 11.54 11.00
365 87.22 76.11 11.56 11.00
370 99.37 83.44 11.60 11.00
375 118.17 93.82 11.65 11.00
380 138.07 108.49 11.71 11.00
385 165.24 128.79 11.80 11.00
390 197.64 153.98 11.90 11.00
395 241.27 186.73 12.02 11.00
400 288.78 226.14 12.16 11.00
405 338.13 270.57 12.31 11.00
410 380.97 318.54 12.46 11.00
415 421.07 363.41 12.80 11.00
420 454.66 404.74 12.71 11.00
425 480.71 439.88 12.81 11.00
430 501.20 469.23 12.89 11.00
435 511.41 490.74 12.95 11.00
440 512.28 502.99 12.98 11.00
445 505.25 506.34 12.99 11.00
450 491.55 501.73 12.98 11.00
455 472.48 490.29 12.95 11.00
460 449.18 473.20 12.90 11.00
465 423.10 451.70 12.85 11.00
470 397.47 428.38 12.78 11.00
475 372.39 404.26 12.71 11.00
100YEAR.XLS

c �
/.'-
John R. McAdams Company,Inc. Page 5
Time Inflow Outflow W.S.El. Weir El.
(min) (cfs) (cfs) (feet) (feet)
480 347.88 379.77 12.64 11.00
485 324.59 355.60 12.57 11.00
490 303.07 333.02; 12.51 11.00
495 283.61 311.43 12.44 11.00
500 286.03 291.47 12.38 11.00
505 250.29 273.31 12.32 11.00
510 238.12 257.59 12.27 11.00
515 223.40 243.30 12.22 11.00
520 212.02, 230.15 12.18 11.00
525 201.65 218.17 12.13 11.00
530 192.25 207.27 12.10 11.00
535 183.66 197.59 12.06 11.00
540 175.80 188.87 12.03 11.00
545 168.63 180.75 12.00 11.00
550 161.98 173.00 11.97 11.00
555 155.81 165.90 11.95 11.00
580 150.03 159.37 11.92 11.00
565 145.13 153.43 11.90 11.00
570 140.88 148.18 11.88 11.00
575 136.52 143.67 11.86 11.00
580 132.12 139.27 11.84 11.00
585 127.69 134.87 11.82 11.00
590 123.25 130.45 11.80 11.00
595 118.83 126.03 11.79 11.00
600 114.46 121.62 11.77 11.00
805 110.17 117.24 11.75 11.00
810 106.00 112.94 11.73 11.00
815 101.95 108.72 11.71 11.00
820 98.07 104.63 11.70 11.00
625 94.34 100.93 11.68 11.00
630 90.79 97.38 11.66 11.00
835 87.42 93.84 11.85 11.00
640 84.24 90.42 11.63 11.00
645 81.25 87.15 11.81 11.00
650 78.48 84.03 11.60 11.00
655 75.84 81.10 11.59 11.00
880 73.38 78.33 11.57 11.00
685 71.09 75.73 11.56 11.00
670 68.95 73.29 11.55 11.00
675 66.94 71.01 11.54 11.00
680 65.09 68.91 11.53 11.00
685 63.36 67.04 11.52 11.00
690 61.76 65.25 11.51 11.00
695 60.27 63.55 11.50 11.00
700 58.88 61.85 11.49 11.00
705 57.60 60.31 11.48 11.00
710 56.40 58.89 11.47 11.00
715 55.28 57.59 11.47 11.00
720 54.23 56.38 11.46 11.00
100YEAR.XLS

John R. McAdams Company,Inc. Page 6
%Z
Time Inflow Outflow W.B.El. Weir El.
(min) (cfs) (cfs) (feet) (feet)
725 53.25 55.25 11.45 11.00
730 52.32 54.20 11.45 11.00
735 51.43 53.21 11.44 11.00
740 50.58 52.27 11.44 11.00
745 49.74 51.37 11.43 11.00
750 48.92 50.50 11.43 11.00
755 48.10 49.65 11.42 11.00
760 47.27 48.81 11.42 11.00
765 46.43 47.97 11.41 11.00
770 45.57 47.13 11.41 11.00
775 44.70 46.28 11.40 11.00
780 43.83 45.42 11.40 11.00
785 42.96 44.55 11.39 11.00
790 42.09 43.69 11.39 11.00
795 41.24 42.92 11.38 11.00
800 40.41 42.12 11.38 11.00
805 39.59 41.32 11.37 11.00
810 38.81 40.51 11.37 11.00
815 38.05 39.72 11.36 11.00
820 37.33 38.95 11.36 11.00
825 36.65 38.21 11.35 11.00
830 36.01 37.50 11.35 11.00
835 35.40 38.82 11.34 11.00
840 34.82 36.17 11.34 11.00
845 34.28 35.56 11.34 11.00
850 33.77 34.97 11.33 11.00
855 33.28 34.43 11.33 11.00
860 32.82 33.90 11.33 11.00
865 32.39 33.41 11.32 11.00
870 31.97 32.94 11.32 11.00
875 31.58 32.50 11.32 11.00
880 31.20 32.08 11.31 11.00
885 30.84 31.68 11.31 11.00
890 30.50 31.30 11.31 11.00
895 30.17 30.93 11.31 11.00
900 29.85 30.58 11.30 11.00
905 29.54 30.24 11.30 11.00
910 29.25 29.92 11.30 11.00
915 28.96 29.61 11.30 11.00
920 28.69 29.31 11.30 11.00
925 28.42 29.02 11.29 11.00
930 28.16 28.75 11.29 11.00
935 27.91 28.48 11.29 11.00
940 27.67 28.22 11.29 11.00
945 27.43 27.96 11.29 11.00
950 27.20 27.72 11.29 11.00
955 28.97 27.48 11.28 11.00
960 26.75 27.24 11.28 11.00
965 26.541 27.02 11.28 11.00
100YEAR.XLS

John R.McAdams Company, Inc. Page 7 41/��
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet) .
970 28.33 26.80 11.28 11.00
975 28.12 26.58 11.28 11.00
980 25.92 26.37 11:28 11.00
985 25.72 26.16 11.28 11.00
990 25.53 25.96 11.27 11.00
995 25.34 25.76 11.27 11.00
1000 25.16 25.57 11.27 11.00
1005 24.98 25.38 11.27 11.00
1010 24.80 25.20 11.27 11.00
1015 24.82 25.04 11.27 11.00
1020 24.45 24.88 11.27 11.00
1025 24.28 24.72 11.27 11.00
1030 24.12 24.55 11.26 11.00
1035 23.95 24.38 11.26 11.00
1040 23.79 24.22 11.28 11.00
1045 23.64 24.06 11.26 11.00
1050 23.48 23.90 11.26 11.00
1055 23.33 23.74 1126 11.00
1060 23.18 23.58 11.28 11.00
1085 23.03 23.43 11.28 11.00
1070 22.89 23.28 11.25 11.00
1075 22.74 23.13 11.25 11.00
1080 22.60 22.98 11.25 11.00
1085 22.47 22.84 11.25 11.00
1090 22.31 22.69 11.25 11.00
1095 22.14 22.54 11.25 11.00
1100 21.91 22.38 11.25 11.00
1105 21.64 22.18 11.25 11.00
1110 21.28 21.95 11.24 11.00
1115 20.83 21.66 11.24 11.00
1120 20.27 21.31 11.24 11.00
1125 19.57 20.86 11.24 11.00
1130 18.78 20.31 11.23 11.00
1135 17.84 19.67 11.23 11.00
1140 18.84 18.92 11.22 11.00
1145 15.78 18.08 11.21 11.00
1150 14.67 17.16 11.21 11.00
1155 13.55 18.18 11.20 11.00
1160 12.43' 15.15 11.19 11.00
1165 11.33 14.10 11.18 11.00
1170 10.27 13.04 11.17 11.00
1175 9.26 12.17 11.17 11.00
1180 8.31 11.29 11.16 11.00
1185 7.44 10.40 11.15 11.00
1190 6.64 9.52 11.14 11.00
1195 5.92 8.68 11.13 11.00
1200 5.27 7.88 11.12 11.00
1205 4.68 7.12 11.11 11.00
1210 4.18 6.42 11.11 11.00
1 OOYEAR.XLS

46
/
John R. McAdams Company,Inc. Page 8 ��
Time Inflow Outflow W.S.El. Weir El.
(min) (cfs) (cfs) (feet) (feet)
1215 3.69 5.77 11.10 11.00
1220 3.27 5.25 11.09 11.00
1225 2.89! 4.83 11.09 11.00
1230 2.56 4.42 11.08 11.00
1235 2.26 4.03 11.08 11.00
1240 2.00 3.66 11.07 11.00
1245 1.76 3.31 11.07 11.00
1250 1.55 2.99 11.06 11.00
1255 1.37 2.70 11.06 11.00
1260 1.21 2.42 11.05 .11.00
1265 1.06 2.17 11.05 11.00
1270 0.93 1.94 11.05 11.00
1275 0.82 1.74 11.04 11.00
1280 0.72 1.57 11.04 11.00
1285 0.83 1.46 11.04 11.00
1290 0.56 1.36 11.04 11.00
1295 0.49 1.25 11.03 11.00
1300 0.43 1.15 11.03 11.00
1305 0.37 1.06 11.03 11.00
1310 0.33 0.97 11.03 11.00
1315 0.29 0.89 11.03 11.00
1320 0.25 0.81 11.02 11.00
1325 0.22 0.74 11.02 11.00
1330 0.19 0.68 11.02 11.00
1335 0.16 0.81 11.02 11.00
1340 0.14 0.56 11.02 11.00
1345 0.12 0.50 11.02 11.00
1350 0.10 0.48 11.02 11.00
1355 0.09 0.41 11.02 11.00
1360 0.07 0.37 11.01 11.00
1365 0.06 0.33 11.01 11.00
1370 0.05 0.30 11.01 11.00
1375 0.04 0.27 11.01 11.00
1380 0.03 0.24 11.01 11.00
1385 0.03 0.21 11.01 11.00
1390 0.02 0.20 11.01 11.00
1395 0.02 0.19 11.01 11.00
1400 0.01 0.18 11.01 11.00
1405 0.01 0.17 11.01 11.00
1410 0.01 0.16 11.01 11.00
1415 0.01 0.15 11.01 11.00
1420 0.00 0.14 11.01 11.00
1425 0.00 0.14 11.01 11.00
1430 0.00 0.13 11.01 11.00
1435 0.00 0.12 11.01 11.00
1440 0.00 0.11 11.01 11.00
1445 0.00 0.11 11.01 11.00
1450 0.00 0.10 11.01 11.00
1455 0.00 0.10 11.01 11.00
100YEAR:XLS

41qJ
John R. McAdams Company, Inc. Page 9
//5Z
Time Inflow Outflow W.S.El. I Weir El.
(min) (cfs) (cfs) (feet) (feet) .
1460 0.00 0.09 11.00 11.00
100VEAR.XLS

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IFigure 15.3.--Curve number method for estimating leg (L)
I
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11\\ J U L 1 .0 1995
PROD # 560375050a,
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froe wM 1L •Voc c7lti}(
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#10 CAR041:,►►,.
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15391
$9c ,e1N �\ rim:
JOB NO. : ��.:'A °1 �p4�1Pp�� k •
BY : "0num 1o''° T � y
l�. C.LA-e �L / R• D I cz.t o J
CHECKED BY: eJD ()N \OD\,(2
` 1
DATE : /')')Ay I c) , 196)-5
Es4 JUNI 8 , ic�Gr j
t`► ° 40 , ionic
I I I THE JOHN R. MCAOAMS COMPANY, INC.
RESEARCH 7R1ANCLX PARK. NC
��� • I P.O. COX 14005 VP 27700-4005
[phone] •

THE JOHN R.McADAMS COMPANY,INC.
P.O.Box 14005
• ••• Research Triangle Park,North Carolina 27709
[phone] Fax[phone]
PAGE OF
J R McA JOB NO. DATE BY CHECKED BY
(Dale)
CLIENT PROJECT
SUBJECT
re.) "
[ )AtJoRP-

THE JOHN R. McADAMS COMPANY,INC.
.11!I1 I P.O.Box 14005
I, Research Triangle Park,North Carolina 27709
[phone] Fax[phone] d
A Q PAGE OF '"�
J R McA JOB NO. A S DATE (0 is 1�S BY 123 D CHECKED BY
CLIENT l+YNP_esiek.__ �.p ��l1 ,1 PROJECT 1 D kr LANoFA r. date iy`5S
SUBJECT it
1M Q u ccc �:
r Ir T4f PEi jvQ0 Lorivb Use Cu ue- Nunn PEV-S
-pga,bmiNvkior
D 6 7u) GeovP
Mu(R.v t LLe rims sAvaD c a — G C ►P A/'D
LI;> J GeevP '312.1 M Atv ( 'p>RA)NCSl ciaND 4 C`gar. ` G lion P '.
Muru►1 LLE CaeouP U Joea roa) Octoothora .. (got*
r-aom sz5k1,s MAcpS , Mue J Ll iv GR.AUP IS fN Lc/VJfl1ci ) 1%NO
4 L G Riot.* IS Ins V PP o Aca?JS cc PeTEZ T
• t A t uSt -7 Cry VA-u
IMPGe_V IDUS SU PAC 3 Gµ
CecoFsi Pfrw>rru�]vT, SiPelu/ ,KS)
LAP i LAND 5£A1 D J Ga.F eM = l•
Low /W LAND PtiLeAS Oo
CMug-vR.1,E - I �
C'/� Ae, - I .. LQ )

'I I THE JOHN R. McADAMS COMPANY.INC.
P.O.Box 14005
••• Research Triangle Park,North Carolina 27709
[phone] Fax[phone]
PAGE 2' OF 4
J R McA JOB NO. A 'Ilt_6000 DATE (I S I°1S BY 471::) CHECKED BY
CLIENT te I vWf ATE _PROJECT %N 1D er. t.A'•.NZcAu, catjspuss.
SUBJECT In
S De.M UNc leAlop
/ Ass
I') C..A., irtAv55 1a,2.1 04 = so, I
- IM P512u I ovs suer/46a AtaMs cm :. 99
lok -►•iN 125407,4
C.Avr PATH, Iut)P-T-I-1) c11 o1 SF
CDr2T tPc1sour ) 9050 SF
Ss pe'won.-ks I°I(095 sir
C...weftosE C Ck 3182. SF
CLUSt4 )SG Z74,5 sF
Cher FaR i 0)44 SF 6Ya�j
ADDITIONAL IMP. AREA N gu Eye.. go. ea, 1c),013 sF) rcirri 1GUSI Dv,
(cuw .r 10 CA r PAfi) Glob
229525 + 3137 = 232662 SF = 5.34 AC M"
4.94 - 0.07 = 4.87 AC -I.AcwN /tANDAP ��S t.i �: C:1�= 1 7,4 v'r' SF " 4.94
RIBDswn ?.' - 9, 35 Ae.. a yC k
REDUCTION OF
LAWN AREA era 1 t-ors ,T so?. IMP`v1lc uS i MAIX.iwwM
-IM P Etv 1 ONS 5UP..FAag Aca.F.�kS �• CN= �1
5LIN exru 2oAo OMENS o,N 2.312c:ch sF
CCki PA114 To SA
Solo Loll 1- 10 1$9 , 440 SF
Co,45;t7>(3 71, 200 S F)
UNCHANGED 21l'Seto sF_ - 5'o
-LA /t.AiQW-ASS Got.F C. .1 (.1 I eel, 4240 5F = 4.35 _
Co,50)CV , zeo s��

11 11 THE
Sox JOHN014005 R. McADAMS COMPANY, INC.
Research Triangle Park,North Carolina 27709
-- [phone] Fax[phone] d
Q 0 PAGE 3 OF 1'
J R McA JOB NO. 1A --`�5 a. DATE Wes ks BY P J CHECKED BY
CLIENT L DFA . ASsa.I vi PROJECT fact..36 L•1/41u0FA4.L I I Dot c
SUBJECT 1 el-NC3cc
10.34 AC
IMPee-VIouS — to-7-7 CM ` 96
LittoNi — 1,261 Ac. a Cam► = 421
9.22 AC
Tdt t • A .SCE c "' €70- = et,a
80.6
Sit ti £i nlcFF - 1 to-secr AP_EA
VO(.uME To Perk 15 e u1.1 oFp (Gin Flow► . I gJbwF} . (P)
OAR. 'P2.o7€CT I P
G$ c `ff P'O,7s) s Sr:. 1 ICr1
s � 2- - 14, -Z- *It
-14 2.41"
80.6
�� D 0,'�' (2.044s)12.41� ...earl " 0.092"
I ,o + 0,13C ) 2.41
WA.um = low A It [ 2'( Pr/12.1s) ( Iq'Sb ' )L 1°'°"f/1 A .)
0.092"
VOLUME. = Cello cF 6533 CF
De—FM-4 1 N PoNV
a 6533 CF 0t
a -S . _ , 1v32o‘. f
�t3o2 Q3o Z 4 0.12'

II THE JOHN R.McADAMS COMPANY,INC.
P.O.Box 14005
'1. ' Research Triangle Park,North Carolina 27709
- [phone] Fax[phone] p► /1 PSI"
PAGE4 OF
J R McA JOB NO.L.1 A� �-_` DATE 64v 1e15 BY 9`-'�7✓ CHECKED�BY�r��.
CLIENT D1rM-L. PROJECT D a utts Ati. ate��
SUBJECT 4tr 4
V.04 12- 2UNOFF TotAt, MAI tJAC. A9-1:34,
\ WM TO puma Q.o cFF foM 1" Sirem WEIR 4Nn R.E
= 2,€ AC,
cN= 1S (SE . sr+ s 3/s-z ' 4 (sr)
S = 3,7.2.11
y f� obO30`a(t
UNCHANGED Vo..utulr -. SFr f 1(43g44`s7/1140)CD,0��3r'�( {Z.tN�C2ZF�Ar.. ' zsaaac.�
• P—PTN ! 'PDNA
O,eat"
UNCHANGED = Z. ca 0.3S FT w 42. +N •

�11111I THE JOHN R. McADAMS COMPANY, INC.
P.O.Box 14005
II;' . Research Triangle Park,North Carolina 27709
[phone] Fax[phone]
l (�Cr� /! p�� PAGE OF z
J R McA JOB NO.1 A -1�i�d 0._.DATE 4.{s i�s BY •RsI. D , CHECKED BY
ry�`{�7y+'!J�p�w ate►
CLIENT i E.�. iJ . �T✓� PROJECT LANDFALL tWeMICAT W
SUBJECT 54�Pp cb�� Vega 1+ SrcRM F IJNLI F
te. !Cam+ CON*, '!1 CYJ
k.It D SA (M +AC Arm ) = t.43 AC- E1. 10 6p5'
ti sA C5roeAc -) = t.)S Ac. E.t'- tiro (yu ,R.. .�
POND DAWAT1pN5
10P Noe-M.. Pool- = IC.47S
Barrom Ct.oav 3t) 4 .0 ktree.A PY` c.i
$drtow+ (Av oe N ) ` lv.o t / ---b S R�1 ci= 5.51
UNCHANGED lama_ D2P lNAG A 4W.7 To Ponao zzet
PeoxCT MANIA de ivy To POND 1131 ,Ls Ae
No Tlr 17ONS7 511, A Cti e PcN D RctrT f NG Ls fA .ED ON
PuNccF 'Flaw VIAL POND DA AT P e, C1ED
F01Ivf2E CoauDi11o0S AN© IMD vIQU S .
1 Ev I PcaJ D CALZULATIOMS rap- MIS ' bt tT
ArgeA CC 1-b)SE z ) &az a.1 The
PI-b7F.cr A IMPOWiGU:a 5UI'ritt..::a E1 CLAJSIVE0,1
I M PTV I ooS SA 6DEATECT) % 5.34 AC 10.34 AC
GW6Hu0SE-
AIL 24 Lois = �3.oa AC. 1 v�J"��
(o M PetZ/ °3S c 10.34 tot,4sp 40000 Y 40670 IMt .NVIou`,a
52.8 %
562e — - "1 u > 5z,�7t, 3,36/0 UNCHANGED
(00' o3 '`� `PA� 52.8 %
UNCHANGED 6ptattakp = 0.033 DA. = Q,o'S3 61 ,6 , r 0, v6Aim R.a`D

THE JOHN R. McADAMS COMPANY,INC.
I11'!I I III P.O.Box 14005
Research Triangle Park,North Carolina 27709
[phone] Fax{919)361-2269
PAGE OF
J R McA JOB NO. LL4Z- a DATE 6i s 1 a�J BY CHECKED BY
CLIENT LANDFALLAc' s PROJECT 137243D e...1.03DFALA. O.I.UateAkE
SUBJECT 41 db Fif:vD rce. I Sla'&M YIUNCif F.
' GtVIR•EO SA (0,105M4 PRodt D A t�i.43hc�
UNCHANGED
ks UESIcnAZ 1416 sc„-a us P C 'j -ra H PL6
6,4 tSTip.6 Ronzi, 1.44' IMMEIA1E1:( UPSWWW1 VYa0M TEE
Dent Gb pot.* Fps A SA ,"l Ae., AC-1S AS A
UNCHANGED ?es1- 1zENCrA t Mot. ,Ft NdFF FRc* T '4q'l.o of ?}s,
GuuB Pico SE. J1'2 tom.. Aceoar i33 At. OP 'ice 'VAL. I)k 0E-
Zit> A . L±.60700 DI2AioaS 12::• PD
aNSt a,n ,v iNG A E AS Ag.E. VEG iATEZ
UNCHANGED k'Htic4 AcX 1k5 A VEGE £V viuD. j } V -, () cc ciaTSS
C cp-T" 51-tµtrA1 I IA'1ie! ►EED Fog- A VEG- • IvE
FlLT

85% TSS REMOVAL
30 FOOT VEGETATED FILTER REQUIRED
([DEPTH 3.5' 4.0' 4.5' I 5.0' 5.5' 6.0' I 6.5' 7.0' 7.5'
I
IMP %
•
10% 11
.9 .8 .7 .6 .5 0 0 0 0 0
20% 1.7 1.3 1.2 1.1 1.0 .9 .8 .7 .6 .5
30% 2.5 2.2 1.9 1.8 1.6 1.5 1.3 1.2 1.0 .9
40% 3.4 3.0 2.6 2.4 2.1 1.9 1.6 1.4 1.1 1.0
50%
4.2 3.7 3.3 3.0 2.7 2.4 2.1 1.8 I.5 1.3
60% 5.0 4.5 3.8 3.5 3.2 2.9 2.6 2.3 2.0 1.6 I
70% 6.0 5.2 4.5 4.1 3.7 3.1 2.9 2.5 2.1 1.8
80% 6.8 6.0 5.2 r 4.7 _4.2 3.7 3.2 2.7 2.2 2.0
90% 7.5 6.5 5.8 5.3 4.8 4.3 3.8 i 3.3
2.8 I 1.3
100% 8.2 7.4 6.8 I 6.2 5.6 5.0 4.4 I 3.8 I 3.2 12.6 I
90% TSS REMOVAL
NO VEGETATED FILTER REQUIRED
DEPTH 3' 3.5' 4.0' 4.5' 5.0' 5.5' 6.0' 6.5' 7.0' 7.5'
IMP %
.
10% 1.3 1.0 .8 .7 .6 .5 .4 .3 I .2 I .1
20% 2.4 2.0 1.8 1.7 1.5 1.4 1.2 1.0 I .9 I .6
30% 3.5 3.0 2.7 2.5 2.2 1.9 1.6 11.3 1.1 1 .8
40% 4.5 4.0 3.5 3.1 2.8 2.5 2.1 1.8 _ 1.4 11.1
50% 5.6 5.0 4.3 3.9 3.5 3.1 2.7 2.3 1.9 11.5
60% • 7.0 6.0 5.3 4.8 4.3 3.9 3.4 2.9 2.4 1.9
70% 8.1 7.0 6.0 5.5 5.0 4.5 3.9 3.4 ' 2.9 2.3
80% 9.4 8.0 7.0 6.4 5.7 _ 5.2 4.6 4.0 3.4 2.8
90% 10.7 9.0 7.9 7.2 6.5 5.9 5.2 4.6 I
3.9 3.3
100% 12.0 10.0 8.8 8.1 7.3 ' 6.6 5.8 5.1 14.3 3.6

11111 P.O.a xOi 005 R.McADAMS COMPANY,INC.
Research Triangle Park,North Carolina 27709
[phone] Fax[phone]
PAGE OF
J R McA JOB NO. DATE BY CHECKED BY
(Date)
CLIENT PROJECT
SUBJECT
Po) ! 1-N b Q.DLO CCY

E
i' 1111 P H BoxO1 005 R. McADAMS COMPANY,INC.
Research Triangle Park,North Carolina 27709
[phone] Fax[phone] IteJ ? /6c,/ s PAGE OF 52-
J A MCA JOB NO.LFA-gSoix DATE 515 I43!5 BY PAC. CHECKED BY
CLIENT liascrivj+ ►i:.a7ri%-Ala. PROJECT LANDFALL Is (DDTalji)
G
SUBJECT . iiNNQr4I
THE. 'Fot.l.ca ENS, IS A sw tW OF T4-4e stain
62youavEw'r5 FC2 LANDFALL CLvatt , . R NV , WE) oN
A C-L H DAoLoratG STUD'. .r;.aw r N G 11{tS SVORMAP 4 1 S
Der MLED ' ..G i PTh U of H I NPur 4me7t" -► /1aD
Flew tr WAS CAUL/LA-TM- A Cop( of V44,14 IMP K
t i ff l$ CL O I~, 1 As wee t- As C- -Pt+ecA L. AND TAewi
i': -6. ?+)TA1"t la OF T}# ' SUt.'iL. StbePAS ANALLIWD
s 1'' srae to Yam Z.S yam, 5d \ow. , Aub
Ia. V .
phi NCG PAS 1 1=j2c cPt A�
B2oAAD c z v.► )Rs JJN I I. 1 o Fr.
2I10 INueRT 1) SIN- S 40 PT of-p
ovr.Wl. At Ma). 1o..46
Top OF 17AtM -�
To ?.o' i Df: st-Atuz o ruir too 44, STc M 1
ToP OF Dildm t v, = 13,2o F1,

1 11iri THE JOHN R. McADAMS COMPANY,INC.
111 P.O.Box 14005
Research Triangle Park,North Carolina 27709
''' [phone] Fax[phone] mil 7!&/ei s PAGE OF 51
J R McA JOB NO. 1.-FA- 15040 DATE 516 615 BY DAL- CHECKED BY
CLIENT LANDFALL ASS=MIS PROJECT L tt-zFA(h, axe,kbosiDat9
SUBJECT SOU M M AR• �'�3
`CMm F1OM TIME Feor.4 TarkL TIME
Mil MP WSJ, WEiit To Fad ?Amu To
SIN2 M 1/45 . 17b w rg R. IuoPM.vi. NogM Pact- a.04,, 4„ a rAtt
• s , •
'1 5roRm II.I o N/A •3,5 8,5 pia, o.1a
10 y K. 12..41 o,-7 3.5 4.2. 21 1 294
Z5`/IFiNe 12.73 0.1 3.S !.},2 3S1 37Go
dye 12,q 1 0.1 3.5 4,� .445 44o
I1�0`�ERk- 13.09 , SiS G(#2. St2 Saeo
NoTe fl R- tx-Tra Do Deegasevr nia Ckt'k s Tc7
The N I-EV% . TI-FS IN'PuT bPeTPI SET Fog-
rC4-} c 1 M kS Is'A RC51 =}u , CF
LAST nia RERLI, 1-ku*SOCR-
kfE Rom T Ch T R. J I.•t +.1. te tilFreeraykks
is "INS 1 5. 4.) AU. sTnems i5 mow ©.i For RiG►-e ..,
Duo 7141E ke Ul.E/ATIC4.1 ( 11. I 0, `1 -E &Iv ,a
iNpuT DATA S 15 May Ua.icy THE
A€c

THE JOHN R.McADAMS COMPANY,INC.
11111 P.O.Box 14005
Research Triangle Park,North Carolina 27709
`-• [phone] Fax[phone] PAGE OF 52-
J R McA JOB NO.1-Or"95o� DATE 41f ZS��� BY DA C- CHECKED BY
LANDFALL-DEAD- M A, I. (Date)
A PROJECT L�INDFA�t.L �•+-��F�1�U�
SUBJECT ,ID AK LANDFALL
LAND USE St)MMAlay
1 \L AWN = 228 Ac2ES
CATC mer r' 0 = 613 Acess
CATCaM T Q ;S5 Ac '.a
Ckerc.p.mENT m : D A+Ns Atr? 'C1.y :'4 RN') ittc ,'.,;.r:it:4(.JL.0 o 'r't>r
w �r c we, lG CNr� P�D)
'�!k"CG4�1I�'Iz.'IVt .,Dt AIr.r:: T y'�:,` .iT1 i ttg 1:%:Ns.4 j {:T��.«tcrT'.. r.t,P , i�:L�"isi.,.l :V
-11;{ii -:W1w t(7+ .;v:;1 ': 4-y11�}," J y. y,•.•�.•�6.4�Sr •G:.t;4).1j? ...
PONlj, ""�{ 1.� il"J1w 1���1! t�+tor1' w{` '1 kill:
R:)NC) (3) t. lE lb INVLT a ( 1 t0s E, NF3") PaND'
.aD For)f v VoArl tr y T OF CI...LAW:Z. , (EK,tTtN G Pore
C-ArcHMI NT Q % (FLOw)N C& Iola Neu TAN Ds)
MEA _ °I3 Xcee-,
LAND ox ___
POND 1 1 .43 plc. too
g-si 'n 51. SO AG. 74-
essit&M)l .- (81.1C ?A) `1.35 AG f30.S
(5tn0 tMP)
audit?rsc Wit: b.ins 1$4,, ea', ; 80.4
r-40.0 pktT, 2,41 Ac. 98,
No-LA-raps (0.17) t) 5.40 Ac.. �o
M.7 2-AG Ca 1
74.76
Tar t= °13. actkc. cha= 74.7: 75 UNCHANGED
t TG44-Mwr (D _ q3.0 AG _C.N 1

THE JOHN R.McADAMS COMPANY,INC.
1 P.O.Box 14005
;i11111
l •• Research Triangle Park,North Carolina 27709
[phone] Fax[phone] 7Z
1► PAGE. T OF
J R McA JOB NO.LFA"41 DATE 4128 /05 BY T)Atc. CHECKED BY
CLIENT I t✓� A
DS ATM PROJECT LAND PALL 0.11)8 f SP {Date)
SUBJECT tM) ACT LArDFML CLVISHShSE
LAG 1lM E CAzu r+ c o
r o,a C54-i>°.1
Lk, TIME 1400 o�� (SGS MEn4D)
Row Lavan4 = 21 cc FT' [�q - 10:7)/
S= UPPe2 5icRm6E GNP, ° — to = 3.33
0.
C��°o -"i 3,33 -4- I \F 1
ff q.Ca 11
�P t°too .� )
I.AG TINE _ 1.O 1•i�S
CATC.1+M tavT p : (OA ST Ni& O PPM. Tk c )
Y AP-SA = I Acrae--.?
LAND use AceeA G•.�
?not) Z 4,4,6 AG. tc o
Wert. OS (GAP 17-) 41.51 AC So
?c*D PJT. 4.t Ac. 9s
at.umi .6 4.08 AG. 130. I
MAeturrA loa. a VD. G9.03 Arc. es. I
• ( .s4/0 IMP,
oD�3�st�Rc'. 4S,4, AL 74
eEsiCeNTIAL 214310 Drc. 76.E
64010 tMP)
God I41,410 AEG. (01
lurk. = i'56 Arc. Ca GN "7 UNCHANGED

di
THEP.O.Box JOH14005N0 R.McADAMS COMPANY,INC.
Research Triangle Park,North Carolina 27709
[phone] Fax[phone] PAGE OF 5z•
J R McA JOB NO.J A-415 DATE 4 CZS iq5 _BY We-0 CHECKED BY
CLIENT LANDFALL Acf6x ATS PROJECT l44%.3DFALI. CLUIW v (Date) -
SUBJECT POPO AT 1.- .-/-- MU tt:a%
J.A& "11M E foe Ct Uk1M ENT
I coo
si
S= 5 — 10 = 3. 3 L.= 2.510 PT si ocE
Ik ' 3o.5 - l(0.3 = t4.2 FT 0.557.
(7-54.o) (3 1.3 +l)ai
-t.¢ - too C0.65
.-p • 1 . os kes
LAG liME ME = 1.05 He 5
FOND Q [NEW Pons D' STAGE / )E -t I F 7
Cif.s -sitige4c i$
WSEL ioei a. STAGE FLOOD STAGE Tes
CPT) CFr' mac. (cF)
io,105 - 0,4c 0 0 t IN In 1..1A1-iot41
lt.Cr, -D,1O 0,35 2Auo Col' Sr)
I l.,50 0 ,40 b.e.5 74 coo 41,6c )
12oo O.°►0 1.35 13255'D (3.041)
I2.5o 1,4o 1.55 I°i? l4D (4iszco)
I3.00 l►cto 2.35 Z 5rO a:411S)
13 So Z,4o Z.S5 33c1 S to (7,e)01)
14.0o 2.,10 3,35 44(05:1O Cc )
14.so 3.41, 3.A5 4°1494c.o a t.mt..)
L AGBE- Ff
Np ois 0 Foe. soco.E D(SGl-1-AP.Gc;j WeIP i. l'1faT 1NPcS ti..IPLIT Pat,
Peg.1 D Old c SS' geeof.-DS to /(1.44 FoR were_
l 1GTiil COPT)K4 11,cU lla M.II kit M AL 1)p4E.

11111
THP.o.EBax JOHN14005 R.McADAMS COMPANY,INC.
1�
1 Research Triangle Park,North Carolina 27709
[phone] Fax[phone] PAGE 62 OF
J R McA JOB NO.LFA-15000 DATE 4 I Ze MS BY AC& CHECKED BY
•
CLIENT LANDFALL AM .�,�,�++��++ PROJECT l,Ar�1DPN.. dw$ti {Date}
SUBJECT fG7ND �Y !{.,AOFM Ou. .0 a35G
PoN D (2) SCAB iStoRtAemE - S`1A&E DI. RC lit$L' s
(EXISTf, &, ?oN c )
exrr-t,.cw Vanes = 13/G of L= el FT. �Pi.z,cv, STP = In1Etg- Srp6S\)
7o egg: srck -StotO6E , .>
[tm Au VA,uc*j 1
16.6 o.s Q2 loz614z. (2..36s.)
0.3 1 .0 240.1 i23142. CS. 131..)
11,8 1.S 479 352.34& 68.oS9�
163 z.o 738 4184,196. (I 1. 1( 4")
18,es Z.s I o3Z 424 3 (14. 334")
1°1.3 3.0 12.54. 74Se 14 (11.58 I
aostct'cr
GaNNEGTIu -(14 Dr1A.GRAM
61.,T -4
TCT I
FL

THE JOHN R. McADAMS COMPANY,INC.
;j'I I 11111 P.O.Box 14005
jlil L Research Triangle Park,North Carolina 27709
[phone] Fax[phone] 12&V I -7 I6 let 1 S2
// 1�, PAGE 1 OF
J R McA JOB NO.tI-I-FA-q DATE 4127 r 61S _BY ✓AC CHECKED BY, _
CLIENT I�fNpfe�U.. kI� PROJECT LitotaFALL- L1rV[S (De
SUBJECT 't% J D A i C-V131-trUSE - STAGe 1ST A[�E
%‘&6 Stz12.A‘E t (T) nlle~w Vot,J,
cn srvu" Caarcoa. INCL, AC.CVM Ft-cop 5-51, ' .L-0,27
�.t�. Avok Val., VOL., 51e MN(.
1o.e0S 672Sct,
11 71 t53 2444o 2A444 0.35 D 135
13Z83o (044192- 12.9437.. t. 3S 1,33
14.S4o4 i4atot1 Z7op4°i. 2.35 2.3'8
PWI vex- 4S , 1 {1 v)i't'}' Yi 64.44,`- 1'aLL'.irL..
Ke, cost 3 5 ks
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CURRENT PERMIT
25cu cr (2Fav1xE ) UNCHANGED STATES 25,657 CF
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THE JOHN R. McADAMS COMPANY,INC.
i 1 I 1 P.O.Box 14005
Research Triangle Park.North Carolina 27709
[phone] Fax[phone] PAGE Of 5Z'
J R MCA JOB NO. I A`'15yy0 DATE 4145/415 BY CHECKED BY
CLIENT LAN FALL A 1�a PROJECT 1 /44CLJAAX415e(DalbiSg
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Research Triangle Park,North Carolina 27709
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J R McA JOB NO. LA -961; x( DATE 5141615 BY LA►L+ CHECKED BY
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John R. McAdams Company, Inc. Page 1
Inverted Siphon Design Sheet
D siphon = 2 Inches
No. siphons = 3
Ks= 90813
b= 1.26
Cd siphon = 0.60
Siphon invert= 10.65 feet
WSEL Vol.Stored Siphon Flow Avg. Flow Incr.Vol. Incr.Time
(feet) (cf) (cfs) (cfs) (cf) (sec)
11.100 33204 0.191
11.068 30245 0.182 0.186 2960 15892
11.036 27343 0.173 0.178 2901 16345
11.004 24504 0.164 0.168 2839 16869
10.971 21732 0.154 0.159 2773 17487
10.939 19030 0.143 0.148 2701 18232
10.907 16406 0.131 0.137 2624 19157
10.875 13888 0.118 0.125 2540 20353
10.843 11419 0.104 0.111 2447 21991
10.811 9075 0.086 0.095 2343 24607
10.779 6852 0.062 0.074 2224 30038
10.746 4769 0.040 0.051 2083 40883
10.714 2882 0.022 0.031 1907 61550
10.682 1196 0.008 0.015 1666 112659
10.650 0 0.000 0.004 1196 309313
Drawdown Time= 3.51 days
These increments dropped
since flow wilt not equal zero
By comparison, if calculated by the average head over the orifice (assuming
average head is half the total depth),the result would be:
Average driving head on orifice= 0.142 feet
Orifice composite loss coefficient= 0.600
X-Sectional area of 3-2" inverted siphons= 0.065 ft2
Q = 0.1187 cfs
Drawdown Time=Volume/Flowrate/86400(sec/day)
Drawdown Time= 3.24 days
SIPHONS.XLS

S V
10 Year Storm HEC-1 Input File
ID LANDFALL CLUBHOUSE POND ROUTING •
ID 10 YEAR STORM, 60 FT.WEIR ON POND 1
ID USING THE DEPTH-DURATION DATA FOR WILMINGTON, NC BY H.R. MALCOM, PE
ID HEC-1 IS AUTOMATICALLY CALCULATING WEIR FLOWS GIVEN SIZE IN POND 1
*FREE
*DIAGRAM
IT 5,,,370
103
VS JCT1 POND1 POND1
W 2 2 7
KK C2 CATCHMENT DIRECTLY FLOWING TO POND 2
BA 0.211
PH „0.6,1.36,2.92,3.34,3.76,4.82,5.77,6.72
LS 0,75
UD 1.05
KK POND2 TIMBER HEADWALL POND SOUTHEAST OF CLUBHOUSE
RS 1,ELEV,16.3
SV 0,2.383,5.136,8.089,11.164,14.334,17.581
SE 16.3,16.8,17.3,17.8,18.3,18.8,19.3
SO 0,92,261,479,738,1032,1356
KK Cl CATCHMENT FLOWING DIRECTLY TO POND1
BA 0.145
LS 0,75
UD 1.00
KK JCT1 COMBINATION OF POND2 AND C1 FLOWS INTO POND1
HC 2
KK POND1 POND TO BE CONSTRUCTED WEST OF CLUBHOUSE
RS 1,ELEV,10.65
SV 0,0.555,1.898,3.043,4.526,6.118,7.801,9.584,11.398
SE 10.65,11.0,11.5,12.0,12.5,13.0,13.5,14.0,14.5
SS 11.10,60,3.0,1.5
ZZ

5Z
25 Year Storm HEC-1 Input File
ID LANDFALL CLUBHOUSE POND ROUTING
ID 25 YEAR STORM,60 FT.WEIR ON POND 1
ID USING THE DEPTH-DURATION DATA FOR WILMINGTON, NC BY H.R. MALCOM, PE
ID HEC-1 IS AUTOMATICALLY CALCULATING WEIR FLOWS GIVEN SIZE IN POND 1
*FREE
*DIAGRAM
IT 5,,,370
103
VS JCT1 POND1 POND1
W 2 2 7
KK C2 CATCHMENT DIRECTLY FLOWING TO POND 2
BA 0.211
PH „0.68,1.54,3.41,3.92,4.42,5.71,8.86,8.01
LS 0,75
UD 1.05
KK POND2 TIMBER HEADWALL POND SOUTHEAST OF CLUBHOUSE
RS 1,ELEV,16.3
SV 0,2.363,5.136,8.089,11.164,14.334,17.581
SE 16.3,16.8,17.3,17.8,18.3,18.8,19.3
SQ 0,92,261,479,738,1032,1356
KK C1 CATCHMENT FLOWING DIRECTLY TO POND1
BA 0.145
LS 0,75
UD 1.00
KK JCT1 COMBINATION OF POND2 AND C1 FLOWS INTO POND1
HC 2
KK POND1 POND TO BE CONSTRUCTED WEST OF CLUBHOUSE
RS 1,ELEV,10.65
SV 0,0.555,1.698,3.043,4.526,6.118,7.801,9.564,11.396
SE 10.65,11.0,11.5,12.0,12.5,13.0,13.5,14.0,14.5
SS 11.10,60,3.0,1.5
72

IS/
/rJ�
50 Year Storm HEC-1 Input File
ID LANDFALL CLUBHOUSE POND ROUTING
ID 50 YEAR STORM,60 FT.WEIR ON POND 1
ID USING THE DEPTH-DURATION DATA FOR WILMINGTON, NC BY H.R. MALCOM, PE
ID HEC-1 IS AUTOMATICALLY CALCULATING WEIR FLOWS GIVEN SIZE IN POND 1
*FREE
*DIAGRAM
IT 5,,,370
IQ 3
VS JCT1 POND1 POND1
W 2 2 7
KK C2 CATCHMENT DIRECTLY FLOWING TO POND 2
BA 0.211
PH „0.74,1.69,3.80,4.37,4.94,6.40,7.70,9.01
LS 0,75
UD 1.05
KK POND2 TIMBER HEADWALL POND SOUTHEAST OF CLUBHOUSE
RS 1,ELEV,16.3
SV 0,2.363,5.136,8.089,11.164,14.334,17.581
SE 16.3,16.8,17.3,17.8,18.3,18.8,19.3
SQ 0,92,261,479,738,1032,1358
KK C1 CATCHMENT FLOWING DIRECTLY TO POND1
BA 0.145
LS 0,75
UD 1.00
KK JCT1 COMBINATION OF POND2 AND C1 FLOWS INTO POND1
HC 2
KK POND1 POND TO BE CONSTRUCTED WEST OF CLUBHOUSE
RS 1,ELEV,10.65
SV 0,0.555,1.698,3.043,4.526,6.118,7.801,9.564,11.396
SE 10.65,11.0,11.5,12.0,12.5,13.0,13.5,14.0,14.5
SS 11.10,60,3.0,1.5
ZZ

100 Year Storm HEC-1 Input File
ID LANDFALL CLUBHOUSE POND ROUTING
ID 100 YEAR STORM; 60 FT. WEIR ON POND 1
ID USING THE DEPTH-DURATION DATA FOR WILMINGTON, NC BY H.R. MALCOM, PE
ID HEC-1 IS AUTOMATICALLY CALCULATING WEIR FLOWS GIVEN SIZE IN POND 1
*FREE
`DIAGRAM
IT 5,,,370
103
VS JCT1 POND1 POND1
VV 2 2 7
KK C2 CATCHMENT DIRECTLY FLOWING TO POND 2
BA 0.211
PH „0.80,1.83,4.18,4.82,5.46,7.09,8.55,10.00
LS 0,75
UD 1.05
KK POND2 TIMBER HEADWALL POND SOUTHEAST OF CLUBHOUSE
RS 1,ELEV,16.3
SV 0,2.363,5.136,8.089,11.164,14.334,17.581
SE 16.3,18.8,17.3,17.8,18.3,18.8,19.3
SO 0,92,281,479,738,1032,1358
KK C1 CATCHMENT FLOWING DIRECTLY TO POND1
BA 0.145
LS 0,75
UD 1.00
KK JCT1 COMBINATION OF POND2 AND C1 FLOWS INTO POND1
HC 2
KK POND1 POND TO BE CONSTRUCTED WEST OF CLUBHOUSE
RS 1,ELEV,10.65
SV 0,0.555,1.698,3.043,4.526,6.118,7.801,9.584,11.396
SE 10.85,11.0,11.5,12.0,12.5,13.0,13.5,14.0,14.5
SS 11.10,60,3.0,1.5
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John R. McAdams Company, Inc. Page 3
Time Inflow Outflow W.S. El. Weir EL
(min) (cfs) (cfs) (feet) (feet)
0 0.00 0.00 10.65 11.00
5 0.01 0.00 10.65 11.00
10 0.01 0.00 10.65 11.00
15 0.02 0.00 10.65 11.00
20 0.04 0.00 10.65 11.00
25 0.06 0.00 10.65 11.00
30 0.09 0.00 10.65 11.00
35 0.14 0.00 10.65 11.00
40 0.19 0.00 10.65 11.00
45 0.27 0.00 10.65 11.00
50 0.35 0.00 10.66 11.00
55 0.46 0.00 10.86 11.00
60 0.58 0.00 10.66 11.00
65 0.71 0.00 10.86 11.00
70 0.87 0.00 10.67 11.00
75 1.05 0.00 10.67 11.00
80 1.24 0.00 10.68 11.00
85 1.45 0.00 10.68 11.00
90 1.69 0.00 10.69 11.00
95 1.95 0.00 10.70 11.00
100 2.24 0.00 10.71 11.00
105 2.58 0.00 10.72 11.00
110 2.91 0.00 10.74 11.00
115 3.31 0.00 10.75 11.00
120 3.76 0.00 10.77 11.00
125 4.25 0.00 10.79 11.00
130 4.80 0.00 10.81 11.00
135 5.39 0.00 10.84 11.00
140 6.03 0.00 10.87 11.00
145 6.73 0.00 10.90 11.00
150 7.47 0.00 10.94 11.00
155 8.26 0.00 10.98 11.00
160 9.11 0.21 11.01 11.00
165 10.00 1.37 11.04 11.00
170 10.94 2.99 11.06 11.00
175 11.92 4.63 11.09 11.00
180 12.95 6.38 11.11 11.00
185 14.02 8.23 11.13 11.00
190 15.12 9.88 11.14 11.00
195 18.26 11.39 11.16 11.00
200 17.42 12.81 11.17 11.00
205 18.60 14.45 11.18 11.00
210 19.79 15.98 11.20 11.00
215 20.98 17.40 11.211 11.00
220 22.16 18.74 11.22 11.00
225 23.35 20.03 11.23 11.00
230 24.52 21.29 11.24 11.00
10YEAR.XLS

i 5Z
John R. McAdams Company, Inc. Page 4
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet) .
235 25.76 22.53 11.25 11.00
240 27.16 23.79 11.26 11.00
245 28.84 25.15 11.27 11.00
250 31.04 26.95 11.28 11.00
255 34.09 29.08 11.29 11.00
260 38.59 31.83 11.31 11.00
265 45.41' 35.69 11.34 11.00
270 55.03 41.20 11.37 11.00
275 67.74 49.52 11.42 11.00
280 83.68 60.72 11.48 11.00
285 102.95 74.24 11.55 11.00
290 125.47 91.30 11.63 11.00
295 150.35 111.97 11.73 11.00
300 176.26 136.11 11.83 11.00
305 202.12 162.03 11.93 11.00
310 232.13 189.47 12.03 11.00
315 256.65 217.01 12.13 11.00
320 275.55 242.23 12.22 11.00
325 288.85 262.76 12.29 11.00
330 296.57 278.71 12.34 11.00
335 298.96 289.10 12.37 11.00
340 296.70 293.86 12.38 11_00
345 290.41 293.69 12.38 11.00
350 280.72 289.26 12.37 11.00
355 268.25 281.21 12.35 11.00
360 253.81 270.21 12.31 11.00
365 238.53 257.79 12.27 11.00
370 223.16 243.95 12.22 11.00
375 208.25 229.44 12.17 11.00
380 194.17 214.94 12.12 11.00
385 181.21 201.00 12.08 11.00
390 169.55 188.50 12.03 11.00
395 159.04 176.58 11.99 11.00
400 149.64 165.39 11.94 11.00
405 141.71 155.46 11.91 11.00
410 135.62 147.03 11.87 11.00
415 129.82 140.30 11.85 11.00
420 124.25 134.06 11.82 11.00
425 118.98 128.21 11.79 11.00
430 114.01 122.70 11.77 11.00
435 109.33 117.52 11.75 11.00
440 104.99 112.65 11.73 11.00
445 100.89 108.08 11.71 11.00
450 97.04 103.80 11.69 11.00
455 93.41 100.11 11.68 11.00
460 89.96 96.52 11.66 11.00
465 86.70 93.02 11.64 11.00
470 83.54 89.65 11.63 11.00
475 80.50 86.39 11.61 11.00
10YEAR.XLS

John R. McAdams Company, Inc. Page 5
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet) .
480 77.53 83.25 11.60 11.00
485 74.64 80.19 11.58 11.00
490 71.82 77.22 11.57 11.00
495 69.08 74.33 11.55 11.00
500 66.42 71.52 11.54 11.00
505 63.85 68.83 11.53 11.00
510 81.38 66.35 11.51 11.00
515 59.03 83.90 11.50 11.00
520 56.78 61.36 11.49 11.00
525 54.85 58.94 11.47 11.00
530 52.63 56.67 11.46 11.00
535 50.72 54.54 11.45 11.00
540 48.93 52.52 11.44 11.00
545 47.26 50.63 11.43 11.00
550 45.70 48.86 11.42 11.00
555 44.23 47.19 11.41 11.00
560 42.86 45.63 11.40 11.00
565 41.58 44.17 11.39 11.00
570 40.38 42.90 11.38 11.00
575 39.27 41.74 11.38 11.00
580 38.24 40.60 11.37 11.00
585 37.28 39.52 11.36 11.00
590 38.38 38.50 11.36 11.00
595 35.55 37.54 11.35 11.00
600 34.78 36.64 11.34 11.00
605 34.06 35.80 11.34 11.00
610 33.39 35.01 11.33 11.00
615 32.78 34.28 11.33 11.00
620 32.17 33.59 11.32 11.00
625 31.61 32.95 11.32 11.00
630 31.08 32.34 11.32 11.00
635 30.57 31.77 11.31 11.00
640 30.07 31.22 11.31 11.00
645 29.58 30.69 11.31 11.00
850 29.09 30.17 11.30 11.00
655 28.59 29.67 11.30 11.00
660 28.09 29.18 11.30 11.00
665 27.58 28.86 11.29 11.00
670 27.07 28.15 11.29 11.00
675 26.55 27.65 11.29 11.00
680 26.04 27.13 11.28 11.00
685 25.53 28.62 11.28 11.00
690 25.03 26.11 11.28 11.00
695 24.54 25.61 11.27 11.00
700 24.06 25.13 11.27 11.00
705 23.60 24.71 11.27 11.00
710 23.15 24.28 11.26 11.00
715 22.73 23.85 11.26 11.00
720 22.33 23.43 11.28 11.00
1 OYEAR.XLS

-`S2r
John R. McAdams Company, Inc. Page 6
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet) .
725 21.94 23.01 11.25 11.00
730 21.58 22.61 11.25 11.00
735 21.24 22.23 11.25 11.00
40 20.92 21.86 11.24 11.00
745 20.62 21.51 11.24 11.00
750 20.33 21.18 11.24 11.00
755 20.06 20.86 11.24 11.00
760 19.80 20.56 11.23 11.00
765 19.55 20.27 11.23 11.00
770 19.31 20.00 11.23 11.00
775 19.09 19.74 11.23 11.00
780 18.87 19.50 11.22 11.00
785 18.66 19.26 11.22 11.00
790 18.46 19.04 11.22 11.00
795 18.27 18.82 11.22 11.00
800 18.09 18.62 11.22 11.00
805 17.91 18.42 11.22 11.00
810 17.74 18.23 11.21 11.00
815 17.57 18.04 11.21 11.00
820 17.41 17.86 11.21 11.00
825 17.25 17.69 11.21 11.00
830 17.10 17.53 11.21 11.00
835 16.95 17.37 11.21 11.00
840 16.81 17.21 11.21 11.00
845 16.67 17.06 11.21 11.00
850 16.53 16.91 11.20 11.00
855 16.40 16.77 11.20 11.00
860 16.27 16.63 11.20 11.00
865 16.14 16.49 11.20 11.00
870 16.01 16.36 11.20 11.00
875 15.89 16.23 11.20 11.00
880 15.77 16.10 11.20 11.00
885 15.66 15.98 11.20 11.00
890 15.54 15.85 11.20 11.00
895 15.43 15.74 11.19 11.00
900 15.32 15.62 11.19 11.00
905 15.21 15.50 11.19 11.00
910 15.10 15.39 11.19 11.00
915 15.00 15.28 11.19 11.00
920 14.89 15.17 11.19 11.00
925 14.79 15.07 11.19 11.00
930 14.69 14.96 11.19 11.00
935 14.60 14.86. 11.19 11.00
940 14.50 14.76 11.19 11.00
945 14.41 14.66 11.19 11.00
950 14.31 14.56 11.19 11.00
955 14.22 14.47 11.18 11.00
960 14.13 14.37 11.18 11.00
965 14.04 14.28 11.18 11.00
10YEAR.XLS

John R. McAdams Company, Inc. Page 7
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet) .
970 13.96 14.19 11.18 11.00
975 13.87 14.10 11.18 11.00
980 13.78 14.01 11.18 11.00
985 13.69 13.92 11.18 11.00
990 13.58 13.83 11.18 11.00
995 13.45 13.73 11.18 11.00
1000 13.28 13.61 11.18 11.00
1005 13.06 13.47 11.18 11.00
1010 12.79 13.29 11.18 11.00
1015 12.44 13.07 11.17 11.00
1020 12.01 12.83 11.17 11.00
1025 11.51 12.55 11.17 11.00
1030 10.95 12.21 11.17 11.00
1035 10.33 11.80 11.16 11.00
1040 9.68 11.33 11.16 11.00
1045 9.01 10.82 11.15 11.00
1050 8.32 10.26 11.15 11.00
1055 7.63 9.66 11.14 11.00
1060 6.96 9.05 11.13 11.00
1065 6.30 8.42 11.13 11.00
1070 5.68 7.79 11.12 11.00
1075 5.10 7.16 11.11 11.00
1080 4.56 6.56 11.11 11.00
1085 4.08 5.98 11.10 11.00
1090 3.63 5.43 11.10 11.00
1095 3.23 5.04 11.09 11.00
1100 2.88 4.66 11.09 11.00
1105 2.55 4.28 11.08 11.00
1110 2.26 3.92 11.08 11.00
1115 2.01 3.57 11.07 11.00
1120 1.78 3.25 11.07 11.00
1125 1.57 2.94, 11.06 11.00
1130 1.39 2.66 11.06 11.00
1135 1.23 2.39 11.05 11.00
1140 1.08 2.15 11.05 11.00
1145 0.95 1.93 11.05 11.00
1150 0.84 1.73 11.04 11.00
1155 0.74 1.57 11.04 11.00
1160 0.65 1.47 11.04 11.00
1165 0.57 1.36 11.04, 11.00
1170 0.50 1.26 11.03 11.00
1175 0.44 1.16 11.03 11.00
1180 0.39 1.07 11.03 11.00
1185 0.34 0.98 11.03 11.00
1190 0.30 0.90 11.03 11.00
1195 0.26 0.82 11.03 11.00
1200 0.23 0.75 11.02 11.00
1205 0.20 0.69 11.02 11.00
1210 0.18 0.82 11.02 11.00
10YEAR.XLS

John R. McAdams Company, Inc. Page 8
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet) _
1215 0.15 0.57 11.02 11.00
1220 0.13 0.51 11.02 11.00
1225 0.12 0.47 11.02 11.00
1230 0.i0 0.42 11.02 11.00
1235 0.09 0.38 11.01 11.00
1240 0.07 0.34 11.01 11.00
1245 0.06 0.31 11.01 11.00
1250 0.05 0.28 11.01 11.00
1255 0.05 0.25 11.01 11.00
1260 0.04 0.22 11.01 11.00
1285 0.03 0.20 11.01 11.00
1270 0.03 0.19 11.01 11.00
1275 0.02 0.18 11.01 11.00
1280 0.02 0.17 11.01 11.00
1285 0.01 0.17 11.01 11.00
1290 0.01 0.16 11.01 11.00
1295 0.01 0.15 11.01 11.00
1300 0.01 0.14 11.01 11.00
1305 0.00 0.13 11.01 11.00
1310 0.00 0.13 11.01 11.00
1315 0.00 0.12 11.01 11.00
1320 0.00 0.11 11.01 11.00
1325 0.00 0.11 11.01 11.00
1330 0.00 0.10 11.01 11.00
1335 0.00 0.10 11.01 11.00
1340 0.00 0.09 11.00 11.00
10YEAR.XLS

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Page 3 John R. McAdams Company, Inc. II '
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet)
0 0.00 0.00 10.65 11.00
5 0.0 1 0.00 10.65 11.00
10 0.01 0.00 10.65 11.00
15 0.02 0.00 10.65 11.00
20 0.04 0.00 10.65 11.00
25 0.08 0.00 10.65 11.00
30 0.10 0.00 10.65 11.00
35 0.14 0.00 10.85 11.00
40 0.20 0.00 10.65 11.00
45 0.28 0.00 10.65 11.00
50 0.37 0.00 10.86 11.00
55 0.48 0.00 10.86 11.00
60 0.61 0.00 10.66 11.00
65 0.76 0.00 10.86 11.00
70 0.93 0.00 10.67 11.00
75 1.12 0.00 10.67 11.00
80 1.33 0.00 10.68 11.00
85 1.55 0.00 10.69 11.00
90 1.79 0.00 10.69 11.00
95 2.06 0.00 10.70 11.00
100 2.33 0.00 10.72 11.00
105 2.63 0.00 10.73 11.00
110 2.94 0.00 10.74 11.00
115 3.27 0.00 10.76 11.00
120 3.61 0.00 10.77 11.00
125 3.97 0.00 10.79 11.00
130 4.35 0.00 10.81 11.00
135 4.75 0.00 10.84 11.00
140 5.17 0.00 10.86 11.00
145 5.62 0.00 10.89 11.00
150 6.11 0.00 10.92 11.00
155 6.64 0.00 10.95 11.00
160 7.23 0.00 10.99 11.00
165 7.88 0.33 11.01 11.00
170 8.60 1.31 11.04 11.00
175 9.39 2.63 11.06 11.00
180 10.25 4.03 11.08 11.00
185 11.19 5.33 11.10 11.00
190 12.20 6.94 11.11 11.00
195 13.27 8.45 11.13 11.00
200 14.41 9.85 11.14 11.00
205 15.82 11.19 11.16 11.00
210 16.89 12.51 11.17 11.00
215 18.22 14.03 11.18 11.00
220 19.61 15.60 11.19 11.00
225 21.06 17.12 11.21 11.00
230 22.54 18.63 11.22 11.00
25YEAR.XLS

John R. McAdams Company, Inc. Page 4
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet) .
235 24.07 20.13 11.23 11.00
240 25.63 21.65 11.24 11.00
245 27.23 23.19 11.25 11.00
250 28.84 24.75 11.27 11.00
255 30.46 26.51 11.28 11.00
260 32.06 28.31 11.29 11.00
265 33.65 30.04 11.30 11.00
270 35.21 31.70 11.31 11.00
275 38.76 33.33 11.32 11.00
280 38.29 34.92 11.33 11.00
285 39.90 36.50 11.34 11.00
290 41.72 38.14 11.35 11.00
295 43.93 39.91 11.36 11.00
300 46.84 41.99 11.38 11.00
305 50.90 44.72 11.39 11.00
310 56.86 48.63 11.42 11.00
315 65.76 54.05 11.45 11.00
320 78.20 61.72 11.49 11.00
325 94.51 71.84 11.54 11.00
330 114.85 85.86 11.61 11.00
335 139.26 103.44 11.69 11.00
340 167.58 126.93 11.79 11.00
345 198.66 153.77 11.90 11.00
350 236.89 185.81 12.02 11.00
355 274.36 220.81 12.14 11.00
360 307.36 256.79 12.27 11.00
365 334.82 291.10 12.38 11.00
370 356.12 320.75 12.47 11.00
375 370.96 343.83 12.54 11:00
380 379.22 360.98 12.59 11.00
385 381.07 371.62 12.62 11.00
390 377.31 375.82 12.63 11.00
395 368.62 374.24 12.83 11.00
400 355.82 367.57 12.61 11.00
405 339.65 356.56 12.58 11.00
410 321.14 342.29 12.53 11.00
415 301.66 325.87 12.48 11.00
420 282.11 307.25 12.43 11.00
425 283.18 288.38 12.37 11.00
430 245.32 269.77 12.31 11.00
435 228.89 252.95 12.25 11.00
440 214.10 236.79 12.20 11.00
445 200.78 221.72 12.15 11.00
450 188.88 207.90 12.10 11.00
455 178.18 195.72 12.06 11.00
460 168.59 184.82 12.02 11.00
465 160.03 174.65 11.98 11.00
470 152.23 165.33 11.94 11.00
475 145.24 156.98 11.91 11.00
25YEAR.XLS

f 5.,
John R. McAdams Company, Inc. Page 5
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet) .
480 140.16 149.79 11.88 11.00
485 135.18 143.93 11.88 11.00
490 130.40 138.69 11.84 11.00
495 125.78 133.71 11.82 11.00
500 121.35 128.94 11.80 11.00
505 117.09 124.37 11.78 11.00
510 113.00 119.99 11.78 11.00
515 109.08 115.78 11.74 11.00
520 105.23 111.72 11.73 11.00
525 101.49 107.79 11.71 11.00
530 97.83 103.97 11.69 11.00
535 94.23 100.531 11.68 11.00
540 90.71 97.09 11.66 11.00
545 87.28 93.83 11.64 11.00
550 83.92 90.20 11.63 11.00
555 80.68 86.83 11.61 11.00
560 77.55 83.54 11.60 11.00
565 74.57 80.35 11.58 11.00
570 71.71 77.27 11.57 11.00
575 69.00 74.32 11.55 11.00
580 86.43 71.50 11.54 11.00
585 64.00 68.85 11.53 11.00
590 81.73 66.46 11.51 11.00
595 59.60 64.15 11.50 11.00
600 57.81 61.82 11.49 11.00
605 55.75 59.62 11.48 11.00
610 54.01 57.59 11.47 11.00
615 52.38 55.71 11.46 11.00
620 50.88 53.96 11.45 11.00
625 49.44 52.33 11.44 11.00
630 48.14 50.82 11.43 11.00
835 46.92 49.41 11.42 11.00
640 45.79 48.10 11.41 11.00
645 44.73 46.89 11.41 11.00
650 43.78 45.76 11.40 11.00
655 42.85 44.71 11.39 11.00
660 42.00 43.73 11.39 11.00
665 41.20 42.91 11.38 11.00
670 40.46 42.12 11.38 11.00
675 39.75 41.36 11.37 11.00
680 39.08 40.62 11.37 11.00
685 38.43 39.91 11.36 11.00
690 37.80 39.23 11.36 11.00
695 37.18 38.57 11.36 11.00
700 36.56 37.92 11.35 11.00 .
705 35.93 37.29 11.35 11.00
710 35.30 36.65 11.34 11.00
715 34.661 36.02 11.34 11.00
720 34.01 35.381 11.34 11.00
25YEAR.XLS

John R. McAdams Company, Inc. Page 6 /52"
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) Scfs) (feet) (feet) ,
725 33.36 34.73 11.33 11.00
730 32.71 34.09 11.33 11.00
735 32.06 33.44 11.32 11.00
740 31.42 32.8 U 11.32 11.00
745 30.80 32.18 11.31 11.00
750 30.20 31.53 11.31 11.00
755 29.61 30.91 11.31 11.00
760 29.05 30.31 11.30 11.00
765 28.51 29.73 11.30 11.00
770 28.00 29.17 11.30 11.00
775 27.52 28.64 11.29 11.00
780 27.07 28.13 11.29 11.00
785 26.84 27.64 11.29 11.00
790 26.23 27.18 11.28 11.00
795 25.85 26.75 11.28 11.00
800 25.48 26.34 11.28 11.00
805 25.14 25.95 11.27 11.00
810 24.81 25.58 11.27 11.00
815 24.49 25.23 11.27 11.00
820 24.20 24.95 11.27 11.00
825 23.91 24.68 11.27 11.00
830 23.64 24.38 11.26 11.00
835 23.38 24.10 11.26 11.00
840 23.13 23.83 11.26 11.00
845 22.89 23.56 11.26 11.00
850 22.66 23.31 11.25 11.00
855 22.43 23.06 11.25 11.00
860 22.22 22.83 11.25 11.00
865 22.01 22.60 11.25 11.00
870 21.80 22.37 11.25 11.00
875 21.61 22.16 11.25 11.00
880 21.42 21.95 11.24 11.00
885 21.23 21.75 11.24 11.00
890 21.05 21.55 11.24 11.00
895 20.87 21.36 11.24 11.00
900 20.70 21.18 11.24 11.00
905 20.53 21.00 11.24 11.00
910 20.37 20.82 11.24 11.00
915 20.21 20.65 11.23 11.00
920 20.05 20.48 11.23 11.00
925 19.90 20.32 11.23 11.00
930 19.75 20.16 11.23 11.00
935 19.60 20.01 11.23 11.00
940 19.46 19.85 11.23 11.00
945 19.32 19.70 11.23 11.00
950 19.18 19.56 11.23 11.00
955 19.04 19.41 11.22 11.00
960 18.91 19.27 11.22 11.00
965 18.78 19.13 11.22 11.00
25YEAR.XLS

John R. McAdams Company, Inc. Page 7 Is4
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet)
970 18.65 19.00 11.22 11.00
975 18.52 18.87 11.22 11.00
980 18.40 18.73 11.22 11.00
985 18.27 18.61 1 .22 11.00
990 18.15 18.48 11.22 11.00
995 18.04 18.36 11.22 11.00
1000 17.92 18.23 11.21 11.00
1005 17.80 18.11 11.21 11.00
1010 17.89 18.00 11.21 11.00
1015 17.58 17.88 11.21 11.00
1020 17.47 17.77 11.21 11.00
1 025 17.36 17.85 11.21 11.00
1030 17.26 17.54 11.21 11.00
1035 17.14 17.43 11.21 11.00
1040 17.00 17.32 11.21 11.00
1045 18.83 17.19 11.21 11.00
1050 16.62 17.04 11.21 11.00
1055 16.35 16.86 11.20 11.00
1060 16.01 16.64 11.20 11.00
1085 15.57 16.37 11.20 11.00
1070 15.04 16.02 11.20 11.00
1075 14.41 15.61 11.19 11.00
1080 13.71 15.11 11.19 11.00
1085 12.94 14.53 11.19 11.00
1090 12.12 13.89 11.18 11.00
1095 11.27 13.18 11.17 11.00
1100 10.41 12.53 11.17 11.00
1105 9.55 11.86 11.16 11.00
1110 8.71 11.15 11.15 11.00
1115 7.89 10,41 11.15 11.00
1120 7.11 9.65 11.14 11.00
1125 6.38 8.90 11.13 man
1130 5.71 8.16 11.12 11.00
1135 5.10 7.44 11.12 11.00
1140 4.55 6.76 11.11 11.00
1145 4.05 6.12 11.10 11.00
1150 3.60 5.52 11.10 11.00
1155 3.20 5.09 11.09 11.00
1160 2.83 4.69 11.09 11.00
1185 2.51 4.30 11.08 11.00
1170 2.22 3.92 11.08 11.00
1175 1.97 3.57 11.07 11.00
1180 1.74 3.24 11.07 11.00
1185 1.53 2.93 11.06 11.00
1190 1.35 2.84 11.06 11.00
1195 1.19 2.37 11.05 11.00
1200 1.05 2.13 11.05 11.00
1205 0.93 1.91 11.05 11.00
1210 0.82 1.71 11.04 11.00
25YEAR.XLS

John R. McAdams Company, Inc. Page 8
Time inflow Outflow W.S. El. Weir EL
(min) (cfs) (cfs) (feet) (feet) .
1215 0.72 1.58 11.04 11.00
1220 0.63 1.45 11.04 11.00
1225 0.56 1.34 11.04 11.00
1230 0.49 1.24 11.03 11.00
1235 0.43 1.14 11.03 11.00
1240 0.38 1.05 11.03 11.00
1245 0.33 0.97 11.03 11.00
1250 0.29 0.88 11.03 11.00
1255 0.25 0.81 11.02 11.00
1260 0.22 0.74 11.02 11.00
1265 0.19 0.67 11.02 11.00
1270 0.17 0.61 11.02 11.00
1275 0.14 0.55 11.02 11.00
1280 0.13 0.50 11.02 11.00
1285 0.11 0.45 11.02 11.00
1290 0.09 0.41 11.02 11.00
1295 0.08 0.37 11.01 11.00
1300 0.07 0.33 11.01 11.00
1305 0.06 0.30 11.01 11.00
1310 0.05 0.27 11.01 11.00
1315 0.04 0.24 11.01 11.00
1320 0.03 0.22 11.01 11.00
1325 0.03 0.20 11.01 11.00
1330 0.02 0.19 11.01 11.00
1335 0.02 0.18 11.01 11.00
1340 0.01 0.17 11.01 11.00
1345 0.01 0.16 11.01 11.00
1350 0.01 0.15 11.01 11.00
1355 0.01 0.15 11.01 11.00
1360 0.00 0.14 11.01 11.00
1365 0.00 0.13 11.01 11.00
1370 0.00 0.12 11.01 11.00
1375 0.00 0.12 11.01 11.00
1380 0.00 0.11 11.01 11.00
1385 0.00 0.10 11.01 11.00
1390 0.00 0.10 11.01 11.00
1395 0.00 0.09 11.00 11.00
25YEAR.XLS

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.'ohn R. McAdams Company, Inc. Page 3 /52-
Time inflow Outflow W.S. El. Weir El„
(min) (cfs) (cfs) (feet) (feet)
0 0.00 0.00 10.65 11.00
5 0.01 0.00 10.65 11.00
10 0.01 0.00 10.65 11.00
15 0.03 0.00 10.65 11.00
20 0.05 0.00 10.85 11.00
25 0.08 0.00 10.85 11.00
30 0.12 0.00 10.65 11.00
35 0.17 0.00 10.65 11.00
40 0.24 0.00 10.65 11.00
45 0.33 0.00 10.65 11.00
50 0.44 0.00 10.66 11.00
55 0.56 0.00 10.66 11.00
60 0.71 0.00 10.66 11.00
65 0.88 0.00 10.67 11.00
70 1.07 0.00 10.87 11.00
75 1.27 0.00 10.68 11.00
80 1.50 0.00 10.68 11.00
85 1.75 0.00 10.69 11.00
90 2.02 0.00 10.70 11.00
95 2.31 0.00 10.71 11.00
100 2.61 0.00 10.72 11.00
105 2.93 0.00 10.74 11.00
110 3.26 0.00 10.75 11.00
115 3.62 0.00 10.77 11.00
120 3.99 0.00 10.79 11.00
125 4.37 0.00 10.81 11.00
130 4.77 0.00 10.83 11.00
135 5.18 0.00 10.86 11.00
140 5.61 0.00 10.89 11.00
145 6.06 0.00 10.92 lino
150 6.52 0.00 10.95 11.00
155 7.00 0.00 10.98 11.00
160 7.49 0.19 11.01 11.00
165 8.01 1.12 11.03 11.00
170 8.56 2.22 11.05 11.00
175 9.14 3.51 11.07 11.00
180 9.78 4.66 11.09 11.00
185 10.46 5.81 11.10 11.00
190 11.22 7.12 11.11 11.00
195 12.06 8.30 11.13 11.00
200 12.98 9.39 11.14 11.00
205 14.00 10.46 11.15 11.00
210 15.11 11.52 11.16 11.00
215 16.32 12.61 11.17 11.00
220 17.60 13.94 11.18 11.00
225 18.98 15.34 11.19 11.00
230 20.43 16.74 11.20 11.00
50YEAR.XLS

John R. McAdams Company, Inc. Page 4 52-
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet)
235 21.96 18.18 11.21 11.00
240 23.56 19.65 11.23 11.00
245 25.23 21.18 11.24 11.00
250 26.98 22.76 11.25 11.00
255 28.78 24.41 11.26 11.00
260 30.62 28.26 11.28 11.00
265 32.51 28.27 11.29 11.00
270 34.43 30.24 11.30 11.00
275 36.38 32.20 11.31 11.00
280 38.36 34.16 11.33 11.00
285 40.33 36.13 11.34 11.00
290 42.27 38.09 11.35 11.00
295 44.18 40.04 11.37 11.00
300 46.06 41.96 11.38 11.00
305 47.91 43.90 11.39 11.00
310 49.73 46.00 11.40 11.00
315 51.62 48.00 11.41 11.00
320 53.76 50.00 11.42 11.00
325 56.36 52.16 11.44 11.00
330 59.80 54.89 11.45 11.00
335 64.62 57.91 11.47 11.00
340 71.69 62.29 11.49 11.00
345 82.21 68.23 11.52 11.00
350 98.82 77.24 11.57 11.00
355 115.95 89.67 11.63 11.00
360 139.73 106.21 11.70 11.00
365 168.18 128.66 11.80 11.00
370 201.05 155.51 11.91 11.00
375 243.83 188.92 12.03 11.00
380 287.46 227.64 12.17 11.00
385 328.39 268.88 12.31 11.00
390 364.82 311.26 12.44 11.00
395 395.28 348.43 12.55 11.00
400 418.89 380.96 12.65 11.00
405 435.20 406.54 12.72 11.00
410 443.99 424.89 12.77 11.00
415 445.47 435.90 12.80 11.00
420 440.51 439.84 12.81 11.00
425 429.91 437.27 12.81 11.00
430 414.61 428.94 12.78 11.00
435 395.51 415.68 12.74 11.00
440 373.78 398.45 12.70 11.00
445 350.99 378.43 12.64 11.00
450 328.16 356.86 12.58 11.00
455 308.10 335.33 12.51 11.00
460 285.29 313.801 12.45 11.00
465 266.17' 293.04 12.38 11.00
470 248.94 273.891 12.32 11.00
475 233.43 256.72 12.27 11.00
50YEAR.XE_S

a /
.2
John R. McAdams Company, Inc. Page 5
Time Inflow Outflow W.S. El. Weir El.
min cfs cfs feet feet
480 219.57 241.20 12.21 11.00
485 207.12 226.89 12.16 11.00
490 195.95 213.87 12.12 11.00
495 185.98 202.10 12.08 11.00
500 176.90 192.02 12.04 11.00
505 168.68 182.64 12.01 11.00
510 161.17 173.80 11.98 11.00
515 154.30 165.71 11.95 11.00
520 148.03 158.39 11.92 11.00
525 143.14 151.94 11.89 11.00
530 138.66 146.45 11.87 11.00
535 134.21 141.74 11.85 11.00
540 129.83 137.17 11.83 11.00
545 125.55 132.72 11.81 11.00
550 121.32 128.35 11.80 11.00
555 117.14 124.06 11.78 11.00
560 113.00 119.84 11.76 11.00
565 108.91 115.66 11.74 11.00
570 104.89 111.54 11.73 11.00
575 100.93 107.48 11.71 11.00
580 97.08 103.50 11.69 11.00
585 93.35 99.96 11.67 11.00
590 89.73 96.37 11.66 11.00
595 86.28 92.80 11.64 11.00
600 82.97 89.31 11.62 11.00
605 79.82 85.93 11.61 11.00
610 76.84 82.69 11.59 11.00
615 74.02 79.59 11.58 11.00
620 71.38 76.65 11.56 11.00
625 68.91 73.88 11.55 11.00
630 66.60 71.28 11.54 11.00
635 64.44 68.85 11.53 11.00
640 62.41 66.68 11.52 11.00
645 60.52 64.60 11.50 11.00
650 58.75 62.55 11.49 11.00
655 57.12 60.58 11.48 11.00
660 55.60 58.77 11.47 11.00
665 54.19 57.11 11.46 11.00
670 52.87 55.58 11.46 11.00
675 51.65 54.16 11.45 11.00
680 50.52 52.85 11.44 11.00
685 49.47 51.63 11.43 11.00
690 48.48 50.49 11.43 11.00
695 47.56 49.44 11.42, 11.00
700 46.70 48.45 11.42 11.00
705 45.88 47.53 11.41 11.00
710 45.10 46.66 11.41 11.00
715 44.35 45.83 11.40 11.00
720 43.62 45.04 11.40, 11.00
50VEAR.XLS

John R. McAdams Company, Inc. Page 6
Time Inflow Outflow W.S. El. Weir El.
min cfs cfs feet feet .
725 42.90 44.28 11.39 11.00
730 42.19 43.55 11.39 11.00
735 41.47 42.90 11.38 11.00
740 40.74 42.22 11.38 11.00
745 40.01 41.52 11.38 11.00
750 39.26 40.80 11.37 11.00
755 38.52 40.08 11.37 11.00
760 37.77 39.35 11.36 11.00
765 37.04 38.61 11.36 11.00
770 36.31 37.88 11.35 11.00
775 35.60 37.15 11.35 11.00
780 34.91 36.43 11.34 11.00
785 34.24 35.73 11.34 11.00
790 33.80 35.04 11.33 11.00
795 32.99 34.38 11.33 11.00
800 32.41 33.74 11.32 11.00
805 31.86 33.13 11.32 11.00
810 31.34 32.55 11.32 11.00
815 30.85 32.00 11.31 11.00
820 30.38 31.47 11.31 11.00
825 29.94 30.97 11.31 11.00
830 29.52 30.50 11.30 11.00
835 29.13 30.06 11.30 11.00
840 28.75 29.63 11.30 11.00
845 28.39 29.23 11.30 11.00
850 28.05 28.85 11.29 11.00
855 27.72 28.48 11.29 11.00
860 27.41 28.13 11.29 11.00
865 27.11 27.80 11.29 11.00
870 26.82 27.48 11.28 11.00
875 26.54 27.18 11.28 11.00
880 26.28 28.89 11.28 11.00
885 28.02 26.61 11.28 11.00
890 25.77 26.34 11.28 11.00
895 25.53 26.08 11.28 11.00
900 25.29 25.82 11.27 11.00
905 25.07 25.58 11.27 11.00
910 24.84 25.34 11.27 11.00
915 24.83 25.14 11.27 11.00
920 24.42 24.94 11.27 11.00
925 24.22 24.74 11.27 11.00
930 24.02 24.54 11.26 11.00
935 23.82 24.34 11.26 11.00
940 23.63 24.14 11.26 11.00
945 23.45 23.95 11.26 11.00
950 23.27 23.76, 11.26 11.00
955 23.091 23.57 11.26 11.00
980 22.921
23.39 11.26 11.00
985 22.74 23.21' 11.25 11.00
50YEAR.XLS

John R. McAdams Company, Inc. Page 7
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet)
970 22.58 23.03 11.25 11.00
975 22.41 22.86 11.25 11.00
980 22.25 22.69 11.25 11.00
985 22.09 22.52 11.25 11.00
990 21.94 22.36 11.25 11.00
995 21.79 22.20 11.25 11.00
1000 21.64 22.04 11.24 11.00
1005 21.49 21.89 11.24 11.00
1010 21.35 21.74 11.24 11.00
1015 21.21 21.59 11.24 11.00
1020 21.07 21.44 11.24 11.00
1025 20.03 21.30 11.24 11.00
1030 20.79 21.16 11.24 11.00
1035 20.66 21.02 11.24 11.00
1040 20.53 20.88 11.24 11.00
1045 20.40 20.75 11.23 11.00
1050 20.27 20.62 11.23 11.00
1055 20.15 20.49 11.23 11.00
1060 20.03 20.36 11.23 11.00
1065 19.89 20.23 11.23 11.00
1070 19.73 20.09 11.23 11.00
1075 19.54 19.95 11.23 11.00
1080 19.29 19.77 11.23 11.00
1085 18.97 19.57 11.23 11.00
1090 18.57 19.31 11.22 11.00
1095 18.07 18.99 11.22 11.00
1100 17.45 18.60 11.22 11.00
1105 16.73 18.11 11.21 11.00
1110 15.91 17.53 11.21 11.00
1115 15.01 16.87 11.20 11.00
1120 14.07 16.12 11.20 11.00
1125 13.08 15.30 11.19 11.00
1130 12.08 14.43 11.18 11.00
1135 11.08 13.51 11.18 11.00
1140 10.10 12.84 11.17 11.00
1145 9.16 11.86 11.18 11.00
1150 8.25 11.04 11.15 11.00
1155 7.41 10.20 11.15 11.00
1160 6.63 9.38 11.14 11.00
1165 5.92 8.57 11.13 11.00
1170 5.28 7.80 11.12 11.00
1175 4.70 7.07 11.11 11.00
1180 4.18 6.38 11.11 11.00
1185 3.71 5.75 11.10 11.00
1190I 3.29 5.24 11.09 11.00
1195 2.91 4.82 11.09° 11.00
1200 2.58 4.42 11.08 11.00
1205 2.28 4.03 11.08 11.0U
1210 i 2.02 3.87 11.07 11.00
50YEAR.XLS

eLi
John R. McAdams Company, Inc. Page 8 ,5Z
Time Inflow Outflow W.S. El. Weir El.
(min) Scfs) (cfs) (feet) (feet) .
1215 1.78 3.32 11.07 11.00
1220 1.57 3.00 11.06 11.00
1225 1.39 2.71 • 11.06 11.00
1230 1.22 2.44 11.05 11.00
1235 1.08 2.19 11.05 11.00
1240 0.95 1.96 11.05 11.00
1245 0.83 1.75 11.05 11.00
1250 0.73 1.58 11.04 11.00
1255 0.64 1.47 11.04 11.00
1280 0.57 1.36 11.04 11.00
1265 0.50 1.26 11.04 11.00
1270 0.44 1.16 11.03 11.00
1275 0.38 1.07 11.03 11.00
1280 0.33 0.98 11.03 11.00
1285 0.29 0.90 11.03 11.00
1290 0.26 0.82 11.02 11.00
1295 0.22 0.75 11.02 11.00
1300 0.19 0.68 11.02 11.00
1305 0.17 0.82 11.02 11.00
1310 0.15 0.56 11.02 11.00
1315 0.13 0.51 11.02 11.00
1320 0.11 0.48 11.02 11.00
1325 0.09 0.42 11.02 11.00
1330 0.08 0.38 11.01 11.00
1335 0.07 0.34 11.01 11.00
1340 0.06 0.30 11.01 11.00
1345 0.05 0.27 11.01 11.00
1350 0.04 0.24 11.01 11.00
1355 0.03 0.22 11.01 11.00
1380 0.02 0.20 11.01 11.00
1365 0.02 0.19 11.01 11.00
1370 0.02 0.18 11.01 11.00
1375 0.01 0.17 11.01 11.00
1380 0.01 0.16 11.01 11.00
1385 0.01 0.15 11.01 11.00
1390 0.01 0.15 11.01 11.00
1395 0.00 0.14 11.01 11.00
1400 0.00 0.13 11.01 11.00
1405 0.00 0.12 11.01 11.00
1410 0.00 0.12 11.01 11.00
1415 0.00 0.11 11.01 11.00
1420 0.00 0.10 11.01 11.00
1425 0.00 0.10 11.01 11.00
1430 0.001 0.09. 11.00 11.00
50YEAR.XLS

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John R. McAdams Company, Inc. Page 3
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet)
0 0.00 0.00 10.65 11.00
5 0.01 0.00 10.65 11.00
10 0.01 0.00 10.65 11.00
15 0.03 0.00 10.65 11.00
20 0.04 0.00 10.65 11.00
25 0.07 0.00 10.65 11.00
30 0.11 0.00 10.65 11.00
35 0.17 0.00 10.65 11.00
40 0.24 0.00 10.65 11.00
45 0.33 0.00 10.65 11.00
50 0.44 0.00 10.66 11.00
55 0.57 0.00 10.66 11.00
60 0.73 0.00 10.66 11.00
65 0.91 0.00 10.67 11.00
70 1.11 0.00 10.67 11.00
75 1.34 0.00 10.68 11.00
80 1.58 0.00 10.68 11.00
85 1.86 0.00 10.69 11.00
90 2.15 0.00 10.70 11.00
95 2.46 0.00 10.71 11.00
100 2.79 0.00 10.73 11.00
105 3.14 0.00 10.74 11.00
110 3.51 0.00 10.76 11.00
115 3.89 0.00 10.78 11.00
120 4.29 0.00 10.80 11.00
125 4.71 0.00 10.82 11.00
130 5.14 0.00 10.85 11.00
135 5.59 0.00 10.87 11.00
140 6.06 0.00 10.90 11.00
145 6.54 0.00 10.93 11.00
150 7.03 0.00 10.97 11.00
155 7.54 0.05 11.00 11.00
160 8.07 0.82 11.03 11.00
185 8.61 1.83 11.05 11.00
170 9.18 3.20 11.07 11.00
175 9.75 4.42 11.08 11.00
180 10.35 5.53 11.10 11.00
185 10.96 6.86 11.11 11.00
190 11.60 8.01 11.12 11.00
195 12.28 9.03 11.13 11.00
200 13.00 9.97 11.14 11.00
205 13.78 10.86 11.15 11.00
210 14.62 11.73 11.18 11.00
215 15.55 12.60 11.17 11.00
220 16.58 13.64 11.18 11.00
225 17.72 14.77 11.19 11.00
230 18.97 15.92 11.20 11.00
100YEAR.XLS

John R. McAdams Company, Inc. Page 4
Time inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet)
235 20.34 17.12 11.21 11.00
240 21.81 18.39 11.22 11.00
245 23.39 19.75 11.23 11.00
250 25.A7 21.19 11.24 11.00
255 26.84 22.72 11.25 11.00
260 28.70 24.35 11.26 11.00
285 30.84 26.20 11.28 11.00
270 32.65 28.26 11.29 11.00
275 34.75 30.33 11.30 11.00
280 36.91 32.41 11.32 11.00
285 39.12 34.54 11.33 11.00
290 41.36 36.70 11.34 11.00
295 43.65 38.90 11.36 11.00
300 45.96 41.14 11.37 11.00
305 48.29 43.41 11.39 11.00
310 50.62 45.96 11.40 11.00
315 52.90 48.44 11.42 11.00
320 55.15 50.83 11.43 11.00
325 57.35 53.15 11.44 11.00
330 59.51 55.41 11.45 11.00
335 61.63 57.61 11.47 11.00
340 63.83 59.80 11.48 11.00
345 66.32 62.06 11.49 11.00
350 69.35 64.47 11.50 11.00
355 73.37 67.22 11.52 11.00
380 78.99 70.90 11.54 11.00
365 87.22 76.11 11.56 11.00
370 99.37 83.44 11.80 11.00
375 118.17 93.82 11.65 11.00
380 138.07 108.49 11.71 11.00
385 165.24 128.79 11.80 11.00
390 197.84 153.98 11.90 11.00
395 241.27 186.73 12.02 11.00
400 288.78 226.14 12.18 11.00
405 336.13 270.57 12.31 11.00
410 380.97 318.54 12.46 11.00
415 421.07 363.41 12.80 11.00
420 454.66 404.74 12.71 11.00
425 480.71 439.68 12.81 11.00
430 501.20 469.23 12.89 11.00
435 511.41 490.74 12.95 11.00
440 512.28 502.99 12.98 11.00
445 505.25 506.34 12.99 11.00
450 491.55 501.73 12.98 11.00
455 472.48 490.29 12.95 11.00
460 449.18 473.20 12.90 11.00
485 423.10 451.70 12.85 11.00
470 397.47 428.38 12.78 11.00
475 372.39 404.28 1 12.71 11.00
100YEAR.XLS

John R. McAdams Company, Inc. Page 5
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet)
480 347.88 379.77 12.64 11.00
485 324.59 355.60 12.57 11.00
490 303.07 333.02 12.51 11.00
495 283.61 311.43 12.44 11.00
500 266.03 291.47 12.38 11.00
505 250.29 273.31 12.32 11.00
510 236.12 257.59 12.27 11.00
515 223.40 243.30 12.22 11.00
520 212.02 230.15 12.18 11.00
525 201.65 218.17 12.13 11.00
530 192.25 207.27 12.10 11.00
535 183.86 197.59 12.06 11.00
540 175.80 188.87 12.03 11.00
545 168.63 180.75 12.00 11.00
550 161.98 173.00 11.97 11.00
555 155.81 165.90 11.95 11.00
560 150.03 159.37 11.92 11.00
565 145.13 153.43 11.90 11.00
570 140.88 148.18 11.88 11.00
575 136.52 143.67 11.86 11.00
580 132.12 139.27 11.84 11.00
585 127.69 134.87 11.82 11.00
590 123.25 130.45 11.80 11.00
595 118.83 128.03 11.79 11.00
600 114.48 121.62 11.77 11.00
605 110.17 117.24 11.75 11.00
610 106.00 112.94 11.73 11.00
615 101.95 108.72 11.71 11.00
620 98.07 104.63 11.70 11.00
625 94.34 100.93 11.68 11.00
630 90.79 97.36 11.66 11.00
635 87.42 93.84 11.65 11.00
640 84.24 90.42 11.63 11.00
645 81.25 87.15 11.61 11.00
650 78.46 84.03 11.60 11.00
655 75.84 81.10 11.59 11.00
660 73.38 78.33 11.57 11.00
665 71.09 75.73 11.56 11.00
670 68.95 73.29 11.55 11.00
675 66.94 71.01 11.54 11.00
680 65.09 68.91 11.53 11.00
685 63.36 67.04 11.52 11.00
690 61.76 65.25 11.51 11.00
695 60.27 83.55 11.50 11.00
700 58.88 81.85 11.49 11.00
705 57.60 60.31 11.48 11.00
710 56.40 58.89 15.47 11.00
715 55.28 57.59 11.47 11.00
720 54.23 56.38 11.46 11.00
100YEAR.XLS

John R. McAdams Company, Inc. Page 8
Time Inflow Outflow W.S. EL Weir El.
(min) (cfs) (cfs) (feet) (feet)
725 53.25 55.25 11.45 11.00
730 52.32 54.20 11.45 11.00
735 51.43 53.21 11.44 11.00
740 50.58 52.27 11.44 11.00
745 49.74 51.37 11.43 11.00
750 48.92 50.50 11.43 11.00
755 48.10 49.65 11.42 11.00
780 47.27 48.81 11.42 11.00
785 46.43 47.97 11.41 11.00
770 45.57 47.13 11.41 11.00
775 44.70 48.28 11.40 11.00
780 43.83 45.42 11.40 11.00
785 42.96 44.55 11.39 11.00
790 42.09 43.69 11.39 11.00
795 41.24 42.92 11.38 11.00
800 40.41 42.12 11.38 11.00
805 39.59 41.32 11.37 11.00
810 38.81 40.51 11.37 11.00
815 38.05 39.72 11.36 11.00
820 37.33 38.95 11.36 11.00
825 36.65 38.21 11.35 11.00
830 36.01 37.50 11.35 11.00
835 35.40 36.82 11.34 11.00
840 34.82 38.17 11.34 11.00
845 34.28 35.56 11.34 11.00
850 33.77 34.97 11.33 11.00
855 33.28 34.43 11.33 11.00
860 32.82 33.90 11.33 11.00
865 32.39 33.41 11.32 11.00
870 31.97 32.94 11.32 11.00
875 31.58 32.50 11.32 11.00
880 31.20 32.08 11.31 11.00
885 30.84 31.68 11.31 11.00
890 30.50 31.30 11.31 11.00
895 30.17 30.93 11.31 11.00
900 29.85 30.58 11.30 11.00
905 29.54 30.24 11.30 11.00
910 29.25 29.92 11.30 11.00
915 28.96 29.61 11.30 11.00
920 28.89 29.31 11.30 11.00
925 28.42 29.02 11.29 11.00
930 28.16 28.75 11.29 11.00
935 27.91 28.48 11.29 11.00
940 27.67 28.22 11.29 11.00
945 27.43 27.96 11.29 11.00
950 27.20 27.72 11.29 11.00
955 26.97 27.48 11.28 11.00
960 26.75 27.24 11.28 11.00
965 26.54 27.02 1 11.28 11.00
100YEAR.XLS

John R. McAdams Company, Inc. Page 7 di
/��
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet) .
970 26.33 26.80 11.28 11.00
975 26.12 26.58 11.28 11.00
980 25.92 26.37 11.28 11.00
985 25.72 26.16 11.28 11.00
990 25.53 25.96 11.27 11.00
995 25.34 25.76 11.27 11.00
1000 25.16 25.57 11.27 11.00
1005 24.98 25.38 11.27 11.00
1010 24.80 25.20 11.27 11.00
1015 24.62 25.04 11.27 11.00
1020 24.45 24.88 11.27 11.00
1025 24.28 24.72 11.27 11.00
1030 24.12 24.55 11.26 11.00
1035 23.95 24.38 11.26 11.00
1040 23.79 24.22 11.26 11.00
1045 23.64 24.06 11.26 11.00
1050 23.48 23.90 11.26 11.00
1055 23.33 23.74 11.26 11.00
1060 23.18 23.58 11.26 11.00
1065 23.03 23.43 11.26 11.00
1070 22.89 23.28 11.25 11.00
1075 22.74 23.13 11.25 11.00
1080 22.60 22.98 11.25 11.00
1085 22.47 22.84 11.25 11.00
1090 22.31 22.69 11.25 11.00
1095 22.14 22.54 11.25 11.00
1100 21.91 22.38 11.25 11.00
1105 21.64 22.18 11.25 11.00
1110 21.28 21.95 11.24 11.00
1115 20.83 21.66 11.24 11.00
1120 20.27 21.31 11.24 11.00
1125 19.57 20.86 11.24 11.00
1130 18.78 20.31 11.23 11.00
1135 17.84 19.67 11.23 11.00
1140 16.84 18.92 11.22 11.00
1145 15.78 18.08 11.21 11.00
1150 14.67 17.16 11.21 11.00
1155 13.55 16.18 11.20 11.00
1160 12.43 15.15 11.19 11.00
1165 11.33 14.10 11.18 11.00
1170 10.27 13.04 11.17 11.00
1175 9.26 12.17 11.17 11.00
1180 8.31 11.29 11.16 11.00
1185i 7.44 10.40 11.15 11.00
11901 6.64 9.52 11.14 11.00
11951 5.92 8.68 11.13 11.00
1200 5.27 7.88 11.12 11.00
1205 4.68 7.12 11.11 11.00
1210 4.16 6.42 11.11 11.00
100YEAR.XLS

lL/ 5L
John R. McAdams Company, Inc. Page 8
Time Inflow Outflow W.S. El. Weir EL
(min) (cfs) (cfs) (feet) (feet) ,
1215 3.69 5.77 11.10 11.00
1220 3.27 5.25 11.09 11.00
1225 2.89 4.83 11.09 11.00
1230 2.56 4.42 11.08 11.00
1235 2.28 4.03 11.08 11.00
1240 2.00 3.66 11.07 11.00
1245 1.76 3.31 11.07 11.00
1250 1.55 2.99 11.06 11.00
1255 1.37 2.70 11.06 11.00
1260 1.21 2.42 11.05 11.00
1265 1.06 2.17 11.05 11.00
1270 0.93 1.94 11.05 11.00
1275 0.82 1.74 11.04 11.00
1280 0.72 1.57 11.04 11.00
1285 0.83 1.46 11.04 11.00
1290 0.56 1.36 11.04 11.00
1295 0.49 1.25 11.03 11.00
1300 0.43 1.15 11.03 11.00
1305 0.37 1.06 11.03 11.00
1310 0.33 0.97 11.03 11.00
1315 0.29 0.89 11.03 11.00
1320 0.25 0.81 11.02 11.00
1325 0.22 0.74 11.02 11.00
1330 0.19 0.68 11.02 11.00
1335 0.16 0.61 11.02 11.00
1340 0.14 0.56 11.02 11.00
1345 0.12 0.50 11.02 11.00
1350 0.10 0.46 11.02 11.00
1355 0.09 0.41 11.02 11.00
1360 0.07 0.37 11.01 11.00
1365 0.06 0.33 11.01 11.00
1370 0.05 0.30 11.01 11.00
1375 0.04 0.27 11.01 11.00
1380 0.03 0.24 11.01 11.00
1385 0.03 0.21 11.01 11.00
1390 0.02 0.20 11.01 11.00
1395 0.02 0.19 11.01 11.00
1400 0.01 0.18 11.01 11.00
1405 0.01 0.17 11.01 11.00
1410 0.01 0.16 11.01 11.00
1415 0.01 0.15 11.01 11.00
1420 0.00 0.14 11.01 11.00
1425 0.00 0.14 11.01 11.00
1430 0.00 0.13 11.01 ii 11.00
1435 0.00 0.12 11.01 I 11.00
1440 0.00 0.11 11.01 11.00
1445 0.00 0.11 11.01 11.00
1450 0.00 0.10 11.01 11.00
1455 0.00 0.10 11.01 11.00
100YEAR.XLS

r74
John R. McAdams Company, Inc. Page 9
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet) .
1460 0.00 0.09 11.00 11.00
100YEAR.XLS

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fV✓ 5z
pN TRIC)

STORM%&!ATER
1-0EcEllvEn
JUL 1 'O 1995
QRAJ # 50375050Cv _
LANDFALL CLU31- SE_
C ALLu,V,4ncNS
#` GARQL, �
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SEAL
15391 1
t-
JOB NO. : Li-A °l5 � rN '
By : A_ Cie UL ` D� J
CHECKED BY: JD 01 \D\41 ?
DATE : VY1'W t 0 , 1 l�5
$-J JuNF e lci 1
' I VVi to , 16II�a
- I I,I I JOHN R. MCADAMS COMPANY INC.
RESEARCH 1RIANCLE PARK. NC
P.O. BOX 14003 ZIP 27709-4003
- : [phone]

pillTHE JOHN R.McADAMS COMPANY,INC.
P.O.Box 14005
Research Triangle Park,North Carolina 27709
[phone] Fax[phone]
PAGE OF
J R McA JOB NO. DATE BY CHECKED BY
(Date)
CLIENT PROJECT
SUBJECT

II THE JOHN R.McADAMS COMPANY,INC.
P.O.Box 14005
Research Triangle Park,North Carolina 27709(919)361-5000AA Fax[phone] d
PAGE OF -1
J R McA JOB NO. LA -_I M1.J DATE CO l$ 1 l S BY 1211, CHECKED BY
CLIENT I DFAU. 4 AiEZ PROJECT 'bop Ai' LANDFALL, dealiDisS
SUBJECT t it S1t Wt 1"L4
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THE JOHN R.McADAMS COMPANY,INC.
�� P.O.Box 14005
Research Triangle Park,North Carolina 27709
[phone] Fax[phone]
11 PAGE 2- OF 4
J R McA JOB
NO. I a t2 SD� DATE Ls 1 s`o1S BY Rat) CHECKED
BY
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PAquc.►N G l 25 L34 I
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(0.50)C3711260 sF)

Er la THE JOHN R.McADAMS COMPANY,INC.
P.C.Box 14005
Research Triangle Park,North Carolina 27709
[phone] Fax[phone]
PAGE. 3 OF
J R McA JOB NO, Lf A -'1S0c0 DATE &la It BY PTO CHECKED BY
CLIENT LANDFALL.� n� A'�I p PROJECT LJ a I.A700•ALL. Gott
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711THE JOHN R.McADAMS COMPANY,INC.
P.O.Box 14005
Research Triangle Park,North Carolina 27709
[phone] Fax[phone]
^� PAGE- 4 OF
J R McA JOB
NO.
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11111 THE JOHN R.McADAMS COMPANY,INC.
P.O.Box 14005
Research Triangle Park,North Carolina 27709
[phone] Fax[phone]
WA
(��j. �tT� PAGE' OF 7i
J R McA JOB NO.[ AC- 1Stc0 DATE co ishs BY �-U 1J CHECKED BY
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'Drc.51 CAN Comp 111 ONS
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R2ND SA CsroeA c ) z A- . E 11,00 (MEE R- E >
14:144 DE)AT1oNS
'Tod MoC-IMAt, Parma L = 10.(5
BarIVrA £ Esue _ 4.0 Prietiltese t T 6. °
$df1264 (AvEVAC ) z (o.D / --� SNY
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?eo7ECT 1 NAME To PoN4 = 1°i .L M
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RuNaFF F-Ros 1D1 L poND DA AT PRo CIE
co-rv2E ccvocnnoiLIS AND lMP—'JID $ S .
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10.3o/
dlo IMPI;YtvtouS = It'►,100 s1001. 52,(ssa/0 impamous
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!00"10 '.S ") `170
6 ‘z, = 0,033 04 = 0.033 CI9 ,fe Ac.) = D, !sca Arm IM`D

THE JOHN R.McADAMS COMPANY,INC.
ILIP.O.Box 14005
Research Triangle Park,North Carolina 27709
- [phone] Fax[phone] PAGE Z OF Z
J R McA JOB NO.
GuI "'`A/ DATE 4010 19 S BYDih //��CHECKK. YL (I,
CHECKED BY
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by kt1U-t- Ac,� Acs A YEx i aT-ED Flow_ i I.11weli -1 USE cc a01)0 1 S
akiker M M imPire.' ,NEED F P, VEGark-[1u6
ri1.,1E"1Z.

85% TSS REMOVAL
30 FOOT VEGETATED FILTER REQUIRED
DEPTH 3' 3.5' 4.0' 4.5' 5.0' 5.5' 1 6.0' 6.5' 7.0' 7.5'
IMP %
•
10% .9 .8 .7 .6 .5 0 0 0 0 0
20% 1.7 1.3 1.2 1.1 1.0 .9 .8 .7 .6 - .5
30% 2.5 2.2 1.9 1.8 1.6 1.5 1.3 1.2 1.0 .9
40% 3.4 3.0 2.6 2.4 2.1 1.9 1.6 1.4 1.1 1.0
50% 4.2 3.7 3.3 3.0 2.7 2.4 2.1 1.8 1.5 1.3
60% 5.0 4.5 3.8 3.5 . 3.2 2.9 2.6 2.3 2.0 1.6 1
70% 6.0 5.2 4.5 4.1 3.7 3.1 2.9 2.5 2.1 1.8
80% 6.8 6.0 5.2 4.7 4.2 3.7 3.2 2.7 12.2 2.0 1
90% 7.5 6.5 5.8 5.3 4.8 4.3 3.8 3.3
I 2.8 11.3
100% 8.2 7.4 6.8 ( 6.2 5.6 5.0 4.4 3.8 13.2 12.6
90% TSS REMOVAL
NO VEGETATED FILTER REQUIRED
DEPTH 3' 5.5' 6.0' 6.5' 7.0' 7.5'
IMP %
10% 1.3 1.0 .5 .4 .3 I .2 I .1 i
20% 2.4 1.4 1.2 1.0 I .9 I .6
30% 3.5 3.01.9 1 .
1.6 1.3 1.1 I .8
40% 4.5 2.5 2.1 1.8 1.4 J1.1
50% 5.6 3.1 2.7 2.3 1.9 11.5
60% 7.0 6.0 5.3 4.8 4.3 3.9 3.4 2.9 2.4 1.9 I
70% 8.1 7.0 6.0 5.5 5.0 4.5 3.9 3.4 ' 2.9 2.3
80% _ 9.4 8.0 7.0 6.4 5.7 5.2 4.6 4.0 3.4 2.8
90% 10.7 9.0 7.9 7.2 6.5 5.9 5.2 4.6 3.9 3.3
I
100% 12.0 10.0 8.8 8.1 7.3 6.6 5.8 5.1 , 4.3 3.6 I

Ei11[L,
THE JOHN R.McADAMS COMPANY,INC.
P.O.Box 14005
Research Triangle Park,North Carolina 27709
[phone] Fax[phone]
PAGE OF
J R McA JOB NO. DATE BY CHECKED BY
(Date)
CLIENT PROJECT
SUBJECT
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THE JOHN R.McADAMS COMPANY,INC.
ll
P.O.Box 14005
Research Triangle Park,North Carolina 27709
[phone] Fax[phone] 1 VW I4"letS PAGE I OF 51-
J R McA JOB NO.LFA-415000 !
DATE S IS•at BY O CHECKED BY
CLIENT LANDFALL AsSzukla. PROJECT LANDFALL CASE
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THE JOHN R.McADAMS COMPANY,INC.
P.O.Box 14005
Research Triangle Park,North Carolina 27709 �r(919)361-5000 Fax[phone] .7 16/cis PAGE OF 7�
J R McA JOB NO. LFA- 95000 DATE '5'51 415{ BY D CHECKED BY
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is Ive ALA, sine.ms is low O,I Fr IiiGHEQ-,
AlJD T too P- eiamerimi IS I I. I O. THE G1vty
1 Ki PUT DA--rPt SCis M A.y t vsu lb V Fy THE
AsDJE ut

THE JOHN R.McADAMS COMPANY,INC.
1M P.O.Box 14005
Research Triangle Park,North Carolina 27709
[phone] Fax[phone]
����y,y�� PAGE 5 OF 5Z
J R Mak JOB NO. FA-C15°`� DATE 44Z0 1145 BY DArG CHECKED
�B'Y,n�..
CLIENTAr-E,CY.JmEs PROJECT �p u- CLLOU5E (Date)
LANDFALL-
SUBJECT CD411 AT 1-Aa1DFAct.. twekicose
LAND USE SVNImpdly
TorAL Ag A = 2 ZS Ac .ES
CI TC4kM E7vr • = 43 AceES
CATCN4MJT 0 = 135 A3
Corr MENT [s : DO.A1NS PIeeCTLy :pr® T.11-4.0 BEING, s iGNtz To -n
v'J qs7 tV C..WLa 1+0 6 . 64t5,, PoND>
CAerc m t7 r . D y' 1\:.. a�1'�o y�6 ii...i{:w+�i lit t� 4,."NiA c1,,4j ; 1 m iwy• :-t LPf;',A -42; TV
POND, '".i-'tJ i ml, po IvU '.a t u " . ;,i4o i a r ' .
n Q % BoDj o wlarlEe- lb Wi:'"�T OF C.lAiB 1-kow E, &E ) Aa.3D)
11*-1D t : 9001 of VAMP-- 10 SoJ'r ST OF CWL'40uSE. C.tSTIN& POND. )
CArCHMeNrr a) s (PLOW t I%)G I INre, Nti✓W PcN t;)
TOL AREA = a3 A -
IAN a USE. _ __
Pton11) t l .43 AG. 100
'MS 1 iwr►A . 51. SO P.c. 74'
(T ' ►M1')
essipassuAL. (&t. 74) 9.35 Ae- So.b
°)o1MF'
Gw b Mto As G.13 AG So. 1
rcbe.c. P1T. 2.41 AC. 98
WGIL r-o7 Cox. I)) Qe40 . So
-* 13.72 Az. lot
-re"L= °I3, _- Ace. Q cf..'= 74.?S - 75
Covre*miENT CO = q3,0 Ac 2. Gnu= 7S

IIITHE JOHN R.McADAMS COMPANY,INC.
P.O.Box 14005
Research Triangle Park,North Carolina 27709
[phone] Fax[phone]
1�w PAGE 4' OF 51
J R McA JOB NO.L- 6150:0 DATE 4(z /°IS BY DAc. CHECKED BY
CLIENT LANDFALL ASSCCAATES PROJECT LAt•+DFALL CtuBtiousE (Date)
SUBJECT 17c1v0AT LANDEMJ tLIA114rx15g
Litka 'ilM E Foe- c #ttem- Q =-)
(Si-1)o.�
LP41. rU = lgoo y ��� (SGS MAD'
�= F cvo LI G1)4 = Z"]co pc (20I- ►v.��
VA--teR-Si St.oPE= /r7oo = 0•4.e 7D
S= UPPER sTaits4.6 t.1 P us `WI - to = 3.33"
(2100)" (3-33 -1- lam,-,
too Co.c&)'
. I . O 1112.5
LA T IN 1: = 1.O Hs-S
uharkiMENT M uFver- T c)
Term_ hRrA t' ACRE
LAND USE Af_e-A Cti.►
Ariu'D 4.4.8 qG, too
Wm/awns A) 9.99 )4, $o
?cap PST. 4.0c•AG. qa
autaiiivosa 4.o6 A . So. 1
miiriti-tAimEmE W. Go,03 OTC, es. l
CG5'10 IMP)
vestpemAt 4$.4 AC. 74
C35 lMT)
usiceNn AL 21..ob aG 75.4.
14Ot)a IMP')
coot . ta.90 Ac. 6,1
'Taw. = �35 Arc. ak GN = 75

THE JOHN R.McADAMS COMPANY,INC.
;I I P.O.Box 14005
Research Triangle Park,North Carolina 27709
L 9
[phone] Fax[phone] PAGE S OF 7.,"
J R McA JOB NO.I_PA-‘150CD DATE 4,ze/cis BY D' d► CHECKED
HH r LECKEDBY
CLIENT LANDFALL 1Ar1ES PROJECT L DFA1.L ua SE(Date)
SUBJECT 1:1:h10 AT 1.-4.1004.1.- CLuei1vuSE
LA& T1ME . CATC4.10AIRNT
1 000
s v. ?s - 1 O 3.33 0--. t.` Z54.0 FT SL.oce
14 = 3o,5 - l l0.3 = 14,Z FT 0.557..
(7-54.o)42.8 (3.33 +1")
k.p = 11100 Co.55)0
.4 m 1 . D5 145
LAG Ti ME = 1.05 Re 5
l'OiND O f I IE1N PO IV D') spkC& (51.2 'F -042,l! F.
STcepAGE Rai
WSJ k)E1 R 57PC- Root:. STAGE SroOtee
6Fr) • C_FT) 1.Fr (CF)
to,l05 - 0,45 0 a L IN 111gl.l..4TlOn13
11.ao -0. 10 0,35 2A ZQ Cot iS)
11..so 0 .4o 0,S5 74 coo C 1.V19i
12.0o 0.9c. 1.35 13is50 .O41)
12.50 t.4o I. (en 140 (.4,5i40)
I3.00 1,90 2.. 6 Zlo(PS'o0 Clo,u&)
13 so Z.4o 2. ; 3341 6Zo C7,15a1)
14.00 2.,10 3, 41io'3'1Q Cgt5( ).
14.so I.4c 3.05 4%400 a 1.S,c1 lg.)
tL- Acte- FT
_ S % FiD2 ST/ K...E. D l t-bk r.4.;,1 voe R Get.16114 1ti3AS a NpITT
LENGTIk O4711M% Crony I Ma MtMAo(- 111M .

pI THE JOHN R.McADAMS COMPANY,INC.
P.O.Box 14005ResearchTriangle Park,North Carolina 27709
(919)361-50000 Fax[phone] � PAGE IP OF 54'
_J R McA JOB NO.LFA- COO DATE 4 I I l 111VS BY a nir CHECKED BY
CLIENT l-ANDFALL A .414'reS PROJECT LAaNDFN.A- 6414k oir-- (Date)
SUBJECT ND AT LAND r4 .1. 6.4)6
'POND ( SAGE f S"1 E — E ilAW.4411/49..6E -thy _�
(E)gSTII N Co. POW--))
ov .cw icE = a i G 10E1 or- L el FT. &icoi, STIle = InElt-s
INS EL 14 . • _ r-5 .to--_= CCP
I 4..3 0 o c [tNs,A,,,INT,on,1
16.6 0.5 QZ (c, A4Z (2.a &)
rid 3 I.0 24..I 223141 (S. 13c.)
17.9 1.S 419 352.34b C8.oS1 )
l9.3 2.0 738 4 a/oVily ( . ,4 )
19,6 Z.s 103Z. 424 3L-IPs 64. 334)
141.3 3.0 I SS 74ESt4 61.58I�
t-- *.csa .Fr
c.oNfr CflU%TA DIA RAM
CI
G1OVT I
1 o
TCT 1

IITHE JOHN R.McADAMS COMPANY,INC.
III P.O.Box 14005
Research Triangle Park.North Carolina 27709
[phone] Fax[phone] h r,, -�/ icic 1 52
w�s� T PAGE OF
J R McA JOB NO. WA-9 DDA�TrE-t 414 l41s BY ✓ C -�CH`ECKED BY
CLIENT LPNDFPcU_ /'C fii►IA9 PROJECT LAODI�4f l.► WA4COSS(DalGNb
SUBJECT 1-13 JD AT CJ-LeF{ j - STAGE / .
•
.iit&6 - A&E F 7 )O (13 IJew 1;17/4D
conrraue Cc inul - INS, PC,C4Mi Fc.cop Mr, ct.col)
1:LE0, M . __vo4, Vol., SIDE STAGS
CFr>) Cr) CcF) (cA CPI) t pl
(O•415 6225ez, o
l 1 11 t53 2444o 2444o 0.35 . 0.35
l2 I-7.83o co4°F12 - I29432 1. 35 I.33
13 14$4o4 14orol1 2?oo4at. 2.35 S.3'S
P[.dT Yoi.41v46 vs, e:7A*, , , ►ci wrr1+ pow 14.. au, ,
go go8I3 s + ks1b
b - 1.2-4.4,
Coettswk—n r o.Q°i9$
5= ' 913 Z �.2ro
2 - iS ornto
cioibi 3
Site-mwenEr- goxiFF (‘'' ov as DaAii.o.az Aeell.) :
kgA - 26080 GF C2EIW►R-C6)
VAR pT aL 11.ID :, �,Vs
� __.__. • 5= g0�13 �0,45� = 33 1204 cF
AT loa - = 11. 10 , 33,204 c.c dF
_SiDebGE Fob. I i/ SiDR-M is pitzv i QED .

THE JOHN R. McADAMS COMPANY,INC.
P.O.Box 14005
Research Triangle Park,North Carolina 27709
[phone] Fax[phone] PAGE y OF JZ
K
J R McA JOB NO. -16e00 DATE 4/21/1t BYDAd- CHECKED BY
} (Dated -�
CLIENT ''I,Ad�ili, ft j�, cC��,� PROJECT ��3X`�r4.� �1�� �r �y
SUBJECT *fit-orbk- L Usas S'AC /Siceic.e .+ G i FEE .
117k- - SC'2h 6 F00- PR:t•tita E1G51 1,4ra lztaVD
IJRPc vie. t
CUTFLAW )cgg,TEU WEIR. E.. U. S L= S7 Pr;
Cx.
Av6+, ING2 PtcL, T-Lc0
cavity le Atot Attlik VDL. VoL, srAr_-E EST. STAG>r
CRT) CSF) (SF) cr) CPO (Ph PGLeoe
I(.3 Zo Vita — —
.11, D ZZ847Z ZIloiZ1 151359 ISI3 1 Q.-i 0.10S 0.11 le
S a O .2.916.7.1 Z44049 Z44o49 3:16405 I •1 l,(c(0.3 Z. 1919
A.0 331`i5o 015161 Zgs789 4,9 1 1l1 2.1 Z 1.41 11.
PLOT of vot.UME v5. STAGE AND Prr ?wet.
CJRUE
CogeaNnoN : 0.99g to
QZ = O,gq°IZ
Ws * ZZ3"142.
6 = 1. 12. S- sn &Ts)
se.z. FI.cocci STAGE [FT)
5 ` Ks
= Z2 74Z
o.0113
(..22.5742.
WILL USE. 1 c*Mu.A "b �jJt LD " - UP"i - M,
MR-
Re c-i IN 0,5 11402,614.4eNTS

THE
O.Box JOHN 14005 M R.McADAS COMPANY,INC.
1 Research Triangle Park,North Carolina 27709
[phone] Fax[phone]
A r PAGE r OF
J R McA JOB NO. IPA - 15QD0 DATE 4 126 I_Q`S BY Dhrr CHECKED BY
CLIENT LANDFA(,L AiS ATES PROJECT L tcALL Cl-Ue:4 K),V$
SUBJECT t - S AAE fsTcce. E c, STAL 'DISC •
4mas -
iA Baaaoceestep lNE L SET AT la. I6.3.
Imo Coo : 31� - . -- :
Qw" C L N [cFs-3
c,,,= 3.0 ( .t, WIII2)
L", el PT,
ti tea v(1,5+; t o PSTa 1M of Wet I
F N E Look- uP -TABLE' Fog- NBC-t BASo) cv =
& = 2.61 N3k [cfs-j
Cie r 1cvs
140..3 CJ 0
IGo. B 046 'RI
l'1,3 t.0 .lsl FEG-1
11 .9 1.5 4_l St ,Sv, sacs
19.3 Z.0 736
ISlb 2.5 Io3Z
curFt..ct. -Foe pc o o wkri.m orJ 1-1-5c i wee-pa-Ali(../.1
ON Se , sv , 4 5Q p c s.

11 THE JOHN R.McADAMS COMPANY,INC.
P.O.Box 14005
Research Triangle Park,North Carolina 27709
[phone] Fax[phone] ral. k( as
Q /� �/� PAGE ID OF SZ
J R MCA JOB NO.LFA --1/511,G������,,,,D,ATE s/4 `_`S BY LJl�G� CHECKED BY
CLIENT LA1L11 LL. Ate- vc AP'TE PROJECT ).ANA�10e(,I., C.LU Sgte)
SUBJECT (MVEMilat) SI 1:0631 C,0
DES)CAN CC I Nv Tei) s1 D klr l
Uuu S1PHcJ IBP6M> oN rtu.asalniG 416p - FuNL-rtar l
Foe cg- Pie-5
•— OQ.1 Flee SA3M1 E1) , use aLt 1 r.Vs)
= CDAfZg
W F4'iGN CAN 'BE geWIii T1ET.) /4S
1
a = O, O43'7Gd172 �� - ��4� z
UuNee.E : CD - 0. (00
al"- c1 F [cm]
= •STAGE Aecma SI PHvN► 1 NVt T Lc.T1
4 c e cP PI ce Siv m e , 012A vic‘ ux-r Doha DoEs rao_
i NG ItlaArriaMstiiP 4 As ► To
Na,D 1 Ue =�
3/z
& " 0. 372-c-12, D Ca) [um►T5 SAmS As F �SI.y
NOTED
pea40S 'T Dm1G4n) "to cALcut Ts "1lME 1 MPTy
`JT>✓PS 1b /k 1 Eh a Poon 1
�aTP►Co� 1 --� Q�
iQ Q ma 4142) uZ vok,K2.)
I •
r � r
Sri\ 14 �jy Q N 610v616N-1 ru N) -, sod.g.

THE JOHN R.McADAMS COMPANY,INC.
P.O.Box 14005
II!I Research Triangle Park,North Carolina 27709
[phone] Fax[phone] ga 4012249s
1 A� PAGE OF 52°
J R McA JOB NO. L A -gSGan DATE 5/A f°15.�' BY bk., CHECKED BY
CLIENT P ifl Kr tS PROJECT �.�D � ��Date)
SUBJECT % D Stp%4e- 'AM1GI i
GA�t.Gt�I. Tl40.Dh1 OF TIME PaQuIR D
ituce vim.;
-DLM.1 Tl ME QAu`,i
i=1
ViACW-A of SsiStEPA
l l! Iti
I" FLO'D SToeA6.5 10,, /
ipvpt ounce- - 144004..�a.
IDAM
Nuszr PpiiD
2FAULTS = USE 3 - 2."9!) IP11c,KIS Fog- 1V-Avccwunl
TIME GF 3, pays ,
A11 SPP-E.APstimr Fcia. c dxs.

John R. McAdams Company, Inc. Page 1
Inverted Siphon Design Sheet
D siphon = 2 inches
No.siphons = 3
Ks= 90813
b= 1.26
Cd siphon= 0.60
Siphon Invert= 10.65 feet
WSEL Vol.Stored Siphon Flow Avg. Flow Incr.Vol. Incr.Time
(feet) (cf) (cfs) (cfs) (cf) (sec)
11.100 33204 0.191
11.068 30245 0.182 0.186 2960 15892
11.036 27343 0.173 0.178 2901 16345
11.004 24504 0.164 0.168 2839 16869
10.971 21732 0.154 0.159 2773 17487
10.939 19030 0.143 0.148 2701 18232
10.907 16406 0.131 0.137 2624 19157
10.875 13866 0.118 0.125 2540 20353
10.843 11419 0.104 0.111 2447 21991
10.811 9075 0.086 0.095 2343 24607
10.779 6852 0.062 0.074 2224 30038
10.746 4769 0.040 0.051 2083 40883
10.714 2862 0.022 0.031 1907 61550
10.682 1196 0.008 0.015 1666 112659
10.650 0 0.000 0.004 1196 309313
Drawdown Time= 3.51 days
These increments dropped
since flow will not equal zero
By comparison, if calculated by the average head over the orifice (assuming
average head is half the total depth),the result would be:
Average driving head on orifice= 0.142 feet
Orifice composite loss coefficient= 0.600
X-Sectional area of 3-2"inverted siphons= 0.065 ft2
Q= 0.1187 cfs
Drawdown Time=Volume/Flowrate/86400(sec/day)
Drawdown Time= 3.24 days
SIPHONS.XLS

1 3/Sz-
10 Year Storm HEC-1 Input File
ID LANDFALL CLUBHOUSE POND ROUTING
ID 10 YEAR STORM,60 FT.WEIR ON POND 1
ID USING THE DEPTH-DURATION DATA FOR WILMINGTON, NC BY H.R. MALCOM, PE
ID HEC-1 IS AUTOMATICALLY CALCULATING WEIR FLOWS GIVEN SIZE IN POND 1
*FREE
*DIAGRAM
IT 5,,,370
10 3
VS JCT1 POND1 POND1
W 2 2 7
KK C2 CATCHMENT DIRECTLY FLOWING TO POND 2
BA 0.211
PH „0.6,1.36,2.92,3.34,3.76,4.82,5.77,6.72
LS 0,75
UD 1.05
KK POND2 TIMBER HEADWALL POND SOUTHEAST OF CLUBHOUSE
RS 1,ELEV,16.3
SV 0,2.363,5.136,8.089,11.164,14.334,17.581
SE 16.3,16.8,17.3,17.8,18.3,18.8,19.3
SO 0,92,261,479,738,1032,1356
KK C1 CATCHMENT FLOWING DIRECTLY TO POND1
BA 0.145
LS 0,75
UD 1.00
KK JCT1 COMBINATION OF POND2 AND C1 FLOWS INTO POND1
HC 2
KK POND1 POND TO BE CONSTRUCTED WEST OF CLUBHOUSE
RS 1,ELEV,10.65
SV 0,0.555,1.698,3.043,4.526,6.118,7.801,9.564,11.396
SE 10.65,11.0,11.5,12.0,12.5,13.0,13.5,14.0,14.5
SS 11.10,60,3.0,1.5
ZZ

4 I
rSZ
25 Year Storm HEC-1 Input File
ID LANDFALL CLUBHOUSE POND ROUTING
ID 25 YEAR STORM,60 FT.WEIR ON POND 1
ID USING THE DEPTH-DURATION DATA FOR WILMINGTON, NC BY H.R. MALCOM, PE
ID HEC-1 IS AUTOMATICALLY CALCULATING WEIR FLOWS GIVEN SIZE IN POND 1
*FREE
*DIAGRAM
IT 5,,,370
103
VS JCT1 POND1 POND1
W 2 2 7
KK C2 CATCHMENT DIRECTLY FLOWING TO POND 2
BA 0.211
PH „0.68,1.54,3.41,3.92,4.42,5.71,6.86,8.01
LS 0,75
UD 1.05
KK POND2 TIMBER HEADWALL POND SOUTHEAST OF CLUBHOUSE
RS 1,ELEV,16.3
SV 0,2.363,5.136,8.089,11.164,14.334,17.581
SE 16.3,16.8,17.3,17.8,18.3,18.8,19.3
SQ 0,92,261,479,738,1032,1356
KK C1 CATCHMENT FLOWING DIRECTLY TO POND1
BA 0.145
LS 0,75
UD 1.00
KK JCT1 COMBINATION OF POND2 AND C1 FLOWS INTO POND1
HC 2
KK POND1 POND TO BE CONSTRUCTED WEST OF CLUBHOUSE
RS 1,ELEV,10.65
SV 0,0.555,1.698,3.043,4.526,6.118,7.801,9.564,11.396
SE 10.65,11.0,11.5,12.0,12.5,13.0,13.5,14.0,14.5
SS 11.10,60,3.0,1.5
ZZ

SZ
50 Year Storm HEC-1 Input File
ID LANDFALL CLUBHOUSE POND ROUTING
ID 50 YEAR STORM,60 FT. WEIR ON POND 1
ID USING THE DEPTH-DURATION DATA FOR WILMINGTON, NC BY H.R. MALCOM, PE
ID HEC-1 IS AUTOMATICALLY CALCULATING WEIR FLOWS GIVEN SIZE IN POND 1
*FREE
*DIAGRAM
IT 5,,,370
103
VS JCT1 POND1 POND1
W 2 2 7
KK C2 CATCHMENT DIRECTLY FLOWING TO POND 2
BA 0.211
PH „0.74,1.69,3.80,4.37,4.94,6.40,7.70,9.01
LS 0,75
UD 1.05
KK POND2 TIMBER HEADWALL POND SOUTHEAST OF CLUBHOUSE
RS 1,ELEV,16.3
SV 0,2.363,5.136,8.089,11.164,14.334,17.581
SE 16.3,16.8,17.3,17.8,18.3,18.8,19.3
SQ 0,92,261,479,738,1032,1356
KK C1 CATCHMENT FLOWING DIRECTLY TO POND1
BA 0.145
LS 0,75
UD 1.00
KK JCT1 COMBINATION OF POND2 AND C1 FLOWS INTO POND1
HC 2
KK POND1 POND TO BE CONSTRUCTED WEST OF CLUBHOUSE
RS 1,ELEV,10.65
SV 0,0.555,1.698,3.043,4.526,6.118,7.801,9.564,11.396
SE 10.65,11.0,11.5,12.0,12.5,13.0,13.5,14.0,14.5
SS 11.10,60,3.0,1.5
ZZ

ibfsz-
100 Year Storm HEC-1 Input File
ID LANDFALL CLUBHOUSE POND ROUTING
ID 100 YEAR STORM, 60 FT.WEIR ON POND 1
ID USING THE DEPTH-DURATION DATA FOR WILMINGTON, NC BY H.R. MALCOM, PE
ID HEC-1 IS AUTOMATICALLY CALCULATING WEIR FLOWS GIVEN SIZE IN POND 1
*FREE
*DIAGRAM
IT 5,,,370
103
VS JCT1 POND1 POND1
W 2 2 7
KK C2 CATCHMENT DIRECTLY FLOWING TO POND 2
BA 0.211
PH „0.80,1.83,4.18,4.82,5.46,7.09,8.55,10.00
LS 0,75
UD 1.05
KK POND2 TIMBER HEADWALL POND SOUTHEAST OF CLUBHOUSE
RS 1,ELEV,16.3
SV 0,2.363,5.138,8.089,11.164,14.334,17.581
SE 16.3,16.8,17.3,17.8,18.3,18.8,19.3
SO 0,92,281,479,738,1032,1356
KK C1 CATCHMENT FLOWING DIRECTLY TO POND1
BA 0.145
LS 0,75
UD 1.00
KK JCT1 COMBINATION OF POND2 AND C1 FLOWS INTO POND1
HC 2
KK POND1 POND TO BE CONSTRUCTED WEST OF CLUBHOUSE
RS 1,ELEV,10.65
SV 0,0.555,1.698,3.043,4.526,6.118,7.801,9.564,11.396
SE 10.65,11.0,11.5,12.0,12.5,13.0,13.5,14.0,14.5
SS 11.10,60,3.0,1.5
ZZ

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John R. McAdams Company, Inc. Page 3
Time Inflow Outflow W.S. El. Weir EL
(min) (cfs) (cfs) (feet) (feet)
0 0.00 0.00 10.65 11.00
5 0.01 0.00 10.65 11.00
10 0.01 0.00 10.65 11.00
15 0.02 0.00 10.65 11.00
20 0.04 0.00 10.65 11.00
25 0.06 0.00 10.65 11.00
30 0.09 0.00 10.65 11.00
35 0.14 0.00 10.65 11.00
40 0.19 0.00 10.65 11.00
45 0.27 0.00 10.65 11.00
50 0.35 0.00 10.66 11.00
55 0.46 0.00 10.66 11.00
60 0.58 0.00 10.66 11.00
65 0.71 0.00 10.66 11.00
70 0.87 0.00 10.67 11.00
75 1.05 0.00 10.67 11.00
80 1.24 0.00 10.68 11.00
85 1.45 0.00 10.68 11.00
90 1.69 0.00 10.69 11.00
95 1.95 0.00 10.70 11.00
100 2.24 0.00 10.71 11.00
105 2.56 0.00 10.72 11.00
110 2.91 0.00 10.74 11.00
115 3.31 0.00 10.75 11.00
120 3.76 0.00 10.77 11.00
125 4.25 0.00 10.79 11.00
130 4.80 0.00 10.81 11.00
135 5.39 0.00 10.84 11.00
140 6.03 0.00 10.87 11.00
145 6.73 0.00 10.90 11.00
150 7.47 0.00 10.94 11.00
155 8.26 0.00 10.98 11.00
160 9.11 0.21 11.01 11.00
165 10.00 1.37 11.04 11.00
170 10.94 2.99 11.06 11.00
175 11.92 4.63 11.09 11.00
180 12.95 6.38 11.11 11.00
185 14.02 8.23 11.13 11.00
190 15.12 9.88 11.14 11.00
195 16.26 11.39 11.16 11.00
200 17.42 12.81 11.17 11.00
205 18.60 14.45 11.18 11.00
210 19.79 15.98 11.20 11.00
215 20.98 17.40 11.21 11.00
220 22.16 18.74 11.22 11.00
225 23.35 20.03 11.23 11.00
230 24.52 21.29 11.24 11.00
10YEAR.XLS

John R. McAdams Company, Inc. Page 4
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet)
235 25.76 22.53 11.25 11.00
240 27.16 23.79 11.26 11.00
245 28.84 25.15 11.27 11.00
250 31.04 26.95 11.28 11.00
255 34.09 29.08 11.29 11.00
260 38.59 31.83 11.31 11.00
265 45.41 35.69 11.34 11.00
270 55.03 41.20 11.37 11.00
275 67.74 49.52 11.42 11.00
280 83.68 60.72 11.48 11.00
285 102.95 74.24 11.55 11.00
290 125.47 91.30 11.63 11.00
295 150.35 111.97 11.73 11.00
300 176.26 136.11 11.83 11.00
305 202.12 162.03 11.93 11.00
310 232.13 189.47 12.03 11.00
315 256.65 217.01 12.13 11.00
320 275.55 242.23 12.22 11.00
325 288.85 262.76 12.29 11.00
330 296.57 278.71 12.34 11.00
335 298.96 289.10 12.37 11.00
340 296.70 293.86 12.38 11.00
345 290.41 293.69 12.38 11.00
350 280.72 289.26 12.37 11.00
355 268.25 281.21 12.35 11.00
360 253.81 270.21 12.31 11.00
365 238.53 257.79 12.27 11.00
370 223.16 243.95 12.22 11.00
375 208.25 229.44 12.17 11.00
380 194.17 214.94 12.12 11.00
385 181.21 201.00 12.08 11.00
390 169.55 188.50 12.03 11.00
395 159.04 176.58 11.99 11.00
400 149.64 165.39 11.94 11.00
405 141.71 155.46 11.91 11.00
410 135.62 147.03 11.87 11.00
415 129.82 140.30 11.85 11.00
420 124.25 134.06 11.82 11.00
425 118.98 128.21 11.79 11.00
430 114.01 122.70 11.77 11.00
435 109.33 117.52 11.75 11.00
440 104.99 112.65 11.73 11.00
445 100.89 108.08 11.71 11.00
450 97.04 103.80 11.69 11.00
455 93.41 100.11 11.68 11.00
460 89.96 96.52 11.66 11.00
465 86.70 93.02 11.64 11.00
470 83.54 89.65 11.63 11.00
475 80.50 86.39 11.61 11.00
10YEAR.XLS

John R. McAdams Company, Inc. Page 5
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet) .
480 77.53 83.25 11.60 11.00
485 74.64 80.19 11.58 11.00
490 71.82 77.22 11.57 11.00
495 69.08 14.33 11.55 11.00
500 66.42 71.52 11.54 11.00
505 63.85 68.83 11.53 11.00
510 61.38 66.35 11.51 11.00
515 59.03 63.90 11.50 11.00
520 56.78 61.36 11.49 11.00
525 54.65 58.94 11.47 11.00
530 52.63 56.67 11.46 11.00
535 50.72 54.54 11.45 11.00
540 48.93 52.52 11.44 11.00
545 47.26 50.63 11.43 11.00
550 45.70 48.86 11.42 11.00
555 44.23 47.19 11.41 11.00
560 42.86 45.63 11.40 11.00
565 41.58 44.17 11.39 11.00
570 40.38 42.90 11.38 11.00
575 39.27 41.74 11.38 11.00
580 38.24 40.60 11.37 11.00
585 37.28 39.52 11.36 11.00
590 36.38 38.50 11.36 11.00
595 35.55 37.54 11.35 11.00
600 34.78 36.64 11.34 11.00
605 34.06 35.80 11.34 11.00
610 33.39 35.01 11.33 11.00
615 32.76 34.28 11.33 11.00
620 32.17 33.59 11.32 11.00
625 31.61 32.95 11.32 11.00
630 31.08 32.34 11.32 11.00
635 30.57 31.77 11.31 11.00
640 30.07 31.22 11.31 11.00
645 29.58 30.69 11.31 11.00
650 29.09 30.17 11.30 11.00
655 28.59 29.67 11.30 11.00
660 28.09 29.16 11.30 11.00
665 27.58 28.66 11.29 11.00
670 27.07 28.15 11.29 11.00
675 26.55 27.65 11.29 11.00
680 26.04 27.13 11.28 11.00
685 25.53 26.62 11.28 11.00
690 25.03 26.11 11.28 11.00
695 24.54 25.61 11.27 11.00
700 24.06 25.13 11.27 11.00
705 23.60 24.71 11.27 11.00
710 23.15 24.28 11.26 11.00
715 22.73 23.85 11.26 11.00
720 22.33 23.43 11.26 11.00
10YEAR.XLS

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John R. McAdams Company, Inc. Page 6
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet) .
725 21.94 23.01 11.25 11.00
730 21.58 22.61 11.25 11.00
735 21.24 22.23 11.25 11.00
740 20.92 21.86 11.24 11.00
745 20.62 21.51 11.24 11.00
750 20.33 21.18 11.24 11.00
755 20.06 20.86 11.24 11.00
760 19.80 20.56 11.23 11.00
765 19.55 20.27 11.23 11.00
770 19.31 20.00 11.23 11.00
775 19.09 19.74 11.23 11.00
780 18.87 19.50 11.22 11.00
785 18.66 19.26 11.22 11.00
790 18.46 19.04 11.22 11.00
795 18.27 18.82 11.22 11.00
800 18.09 18.62 11.22 11.00
805 17.91 18.42 11.22 11.00
810 17.74 18.23 11.21 11.00
815 17.57 18.04 11.21 11.00
820 17.41 17.86 11.21 11.00
825 17.25 17.69 11.21 11.00
830 17.10 17.53 11.21 11.00
835 18.95 17.37 11.21 11.00
840 16.81 17.21 11.21 11.00
845 16.67 17.06 11.21 11.00
850 16.53 16.91 11.20 11.00
855 16.40 16.77 11.20 11.00
860 16.27 16.63 11.20 11.00
865 16.14 16.49 11.20 11.00
870 16.01 16.36 11.20 11.00
875 15.89 16.23 11.20 11.00
880 15.77 16.10 11.20 11.00
885 15.66 15.98 11.20 11.00
890 15.54 15.85 11.20 11.00
895 15.43 15.74 11.19 11.00
900 15.32 15.62 11.19 11.00
905 15.21 15.50 11.19 11.00
910 15.10 15.39 11.19 11.00
915 15.00 15.28 11.19 11.00
920 14.89 15.17 11.19 11.00
925 14.79 15.07 11.19 11.00
930 14.69 14.96 11.19 11.00
935 14.60 14.86 11.19 11.00
940 14.50 14.76 11.19 11.00
945 14.41 14.66 11.19 11.00
950 14.31 14.56 11.19 11.00
955 14.22 14.47 11.18 11.00
960 14.13 14.37 11.18 11.00
965 14.04 14.28 11.18 11.00
10YEAR.XLS

John R. McAdams Company, Inc. Page 7
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet) .
970 13.96 14.19 11.18 11.00
975 13.87 14.10 11.18 11.00
980 13.78 14.01 11.18 11.00
985 13.69 13.92 11.18 11.00
990 13.58 13.83 11.18 11.00
995 13.45 13.73 11.18 11.00
1000 13.28 13.61 11.18 11.00
1005 13.06 13.47 11.18 11.00
1010 12.79 13.29 11.18 11.00
1015 12.44 13.07 11.17 11.00
1020 12.01 12.83 11.17 11.00
1025 11.51 12.55 11.17 11.00
1030 10.95 12.21 11.17 11.00
1035 10.33 11.80 11.16 11.00
1040 9.68 11.33 11.16 11.00
1045 9.01 10.82 11.15 11.00
1050 8.32 10.26 11.15 11.00
1055 7.63 9.66 11.14 11.00
1060 6.96 9.05 11.13 11.00
1065 6.30 8.42 11.13 11.00
1070 5.68 7.79 11.12 11.00
1075 5.10 7.16 11.11 11.00
1080 4.56 8.56 11.11 11.00
1085 4.08 5.98 11.10 11.00
1090 3.63 5.43 11.10 11.00
1095 3.23 5.04 11.09 11.00
1100 2.88 4.66 11.09 11.00
1105 2.55 4.28 11.08 11.00
1110 2.26 3.92 11.08 11.00
1115 2.01 3.57 11.07 11.00
1120 1.78 3.25 11.07 11.00
1125 1.57 2.94 11.06 11.00
1130 1.39 2.66 11.06 11.00
1135 1.23 2.39 11.05 11.00
1140 1.08 2.15 11.05 11.00
1145 0.95 1.93 11.05 11.00
1150 0.84 1.73 11.04 11.00
1155 0.74 1.57 11.04 11.00
1160 0.65 1.47 11.04 11.00
1165 0.57 1.36 11.04 11.00
1170 0.50 1.26 11.03 11.00
1175 0.44 1.16 11.03 11.00
1180 0.39 1.07 11.03 11.00
1185 0.34 0.98 11.03 11.00
1190 0.30 0.90 11.03 11.00
1195 0.26 0.82 11.03 11.00
1200 0.23 0.75 11.02 11.00
1205 0.20 0.69 11.02 11.00
1210 0.18 0.62 11.02 11.00
10YEAR.XLS

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John R. McAdams Company, Inc. Page 8
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet) ,
1215 0.15 0.57 11.02 11.00
1220 0.13 0.51 11.02 11.00
1225 0.12 0.47 11.02 11.00
1230 0.10 0.42 11.02 11.00
1235 0.09 0.38 11.01 11.00
1240 0.07 0.34 11.01 11.00
1245 0.06 0.31 11.01 11.00
1250 0.05 0.28 11.01 11.00
1255 0.05 0.25 11.01 11.00
1260 0.04 0.22 11.01 11.00
1265 0.03 0.20 11.01 11.00
1270 0.03 0.19 11.01 11.00
1275 0.02 0.18 11.01 11.00
1280 0.02 0.17 11.01 11.00
1285 0.01 0.17 11.01 11.00
1290 0.01 0.16 11.01 11.00
1295 0.01 0.15 11.01 11.00
1300 0.01 0.14 11.01 11.00
1305 0.00 0.13 11.01 11.00
1310 0.00 0.13 11.01 11.00
1315 0.00 0.12 11.01 11.00
1320 0.00 0.11 11.01 11.00
1325 0.00 0.11 11.01 11.00
1330 0.00 0.10 11.01 11.00
1335 0.00 0.10 11.01 11.00
1340 0.00 0.09 11.00 11.00
10YEAR.XLS

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John R. McAdams Company, Inc. Page 3
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Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet)
0 0.00 0.00 10.65 11.00
5 0.01 0.00 10.65 11.00
10 0.01 0.00 10.65 11.00
15 0.02 0.00 10.65 11.00
20 0.04 0.00 10.65 11.00
25 0.06 0.00 10.65 11.00
30 0.10 0.00 10.65 11.00
35 0.14 0.00 10.65 11.00
40 0.20 0.00 10.65 11.00
45 0.28 0.00 10.65 11.00
50 0.37 0.00 10.66 11.00
55 0.48 0.00 10.66 11.00
60 0.61 0.00 10.66 11.00
65 0.76 0.00 10.66 11.00
70 0.93 0.00 10.67 11.00
75 1.12 0.00 10.67 11.00
80 1.33 0.00 10.68 11.00
85 1.55 0.00 10.69 11.00
90 1.79 0.00 10.69 11.00
95 2.06 0.00 10.70 11.00
100 2.33 0.00 10.72 11.00
105 2.63 0.00 10.73 11.00
110 2.94 0.00 10.74 11.00
115 3.27 0.00 10.76 11.00
120 3.61 0.00 10.77 11.00
125 3.97 0.00 10.79 11.00
130 4.35 0.00 10.81 11.00
135 4.75 0.00 10.84 11.00
140 5.17 0.00 10.86 11.00
145 5.62 0.00 10.89 11.00
150 6.11 0.00 10.92 11.00
155 6.64 0.00 10.95 11.00
160 7.23 0.00 10.99 11.00
165 7.88 0.33 11.01 11.00
170 8.60 1.31 11.04 11.00
175 9.39 2.63 11.06 11.00
180 10.25 4.03 11.08 11.00
185 11.19 5.33 11.10 11.00
190 12.20 6.94 11.11 11.00
195 13.27 8.45 11.13 11.00
200 14.41 9.85 11.14 11.00
205 15.62 11.19 11.16 11.00
210 16.89 12.51 11.17 11.00
215 18.22 14.03 11.18 11.00
220 19.61 15.60 11.19 11.00
225 21.06 17.12 11.21 11.00
230 22.54 18.63 11.22 11.00
25YEAR.XLS

John R. McAdams Company, Inc. Page 4
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet) , •
235 24.07 20.13 11.23 11.00
240 25.63 21.65 11.24 11.00
245 27.23 23.19 11.25 11.00
250 28.84 24.75 11.27 11.00
255 30.46 26.51 11.28 11.00
260 32.06 28.31 11.29 11.00
265 33.65 30.04 11.30 11.00
270 35.21 31.70 11.31 11.00
275 36.76 33.33 11.32 11.00
280 38.29 34.92 11.33 11.00
285 39.90 36.50 11.34 11.00
290 41.72 38.14 11.35 11.00
295 43.93 39.91 11.36 11.00
300 46.84 41.99 11.38 11.00
305 50.90 44.72 11.39 11.00
310 56.86 48.63 11.42 11.00
315 65.76 54.05 11.45 11.00
320 78.20 61.72 11.49 11.00
325 94.51 71.84 11.54 11.00
330 114.85 85.86 11.61 11.00
335 139.26 103.44 11.69 11.00
340 167.58 126.93 11.79 11.00
345 198.66 153.77 11.90 11.00
350 236.89 185.81 12.02 11.00
355 274.36 220.81 12.14 11.00
360 307.36 256.79 12.27 11.00
365 334.82 291.10 12.38 11.00
370 356.12 320.75 12.47 11.00
375 370.96 343.83 12.54 11.00
380 379.22 360.98 12.59 11.00
385 381.07 371.62 12.62 11.00
390 377.31 375.82 12.63 11.00
395 368.62 374.24 12.63 11.00
400 355.82 367.57 12.61 11.00
405 339.65 356.56 12.58 11.00
410 321.14 342.29 12.53 11.00
415 301.66 325.67 12.48 11.00
420 282.11 307.25 12.43 11.00
425 263.18 288.38 12.37 11.00
430 245.32 269.77 12.31 11.00
435 228.89 252.95 12.25 11.00
440 214.10 236.79 12.20 11.00
445 200.78 221.72 12.15 11.00
450 188.88 207.90 12.10 11.00
455 178.18 195.72 12.06 11.00
460 168.59 184.82 12.02 11.00
465 160.03 174.65 11.98 11.00
470 152.23 165.33 11.94 11.00
475 145.24 156.98 11.91 11.00
25YEAR.XLS

":1/sz
John R. McAdams Company, Inc. Page 5
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet)
480 140.16 149.79 11.88 11.00
485 135.18 143.93 11.86 11.00
490 130.40 138.69 11.84 11.00
495 125.78 133.71 11.82 11.00
500 121.35 128.94 11.80 11.00
505 117.09 124.37 11.78 11.00
510 113.00 119.99 11.76 11.00
515 109.06 115.78 11.74 11.00
520 105.23 111.72 11.73 11.00
525 101.49 107.79 11.71 11.00
530 97.83 103.97 11.69 11.00
535 94.23 100.53 11.68 11.00
540 90.71 97.09 11.66 11.00
545 87.26 93.63 11.64 11.00
550 83.92 90.20 11.63 11.00
555 80.68 86.83 11.61 11.00
560 77.55 83.54 11.60 11.00
565 74.57 80.35 11.58 11.00
570 71.71 77.27 11.57 11.00
575 69.00 74.32 11.55 11.00
580 66.43 71.50 11.54 11.00
585 64.00 68.85 11.53 11.00
590 61.73 66.46 11.51 11.00
595 59.60 64.15 11.50 11.00
600 57.61 61.82 11.49 11.00
605 55.75 59.62 11.48 11.00
610 54.01 57.59 11.47 11.00
615 52,38 55.71 11.46 11.00
620 50.86 53.96 11.45 11.00
625 49.44 52.33 11.44 11.00
630 48.14 50.82 11.43 11.00
635 46.92 49.41 11.42 11.00
640 45.79 48.10 11.41 11.00
645 44.73 46.89 11.41 11.00
650 43.76 45.76 11.40 11.00
655 42.85 44.71 11.39 11.00
660 42.00 43.73 11.39 11.00
665 41.20 42.91 11.38 11.00
670 40.46 42.12 11.38 11.00
675 39.75 41.36 11.37 11.00
680 39.08 40.62 11.37 11.00
685 38.43 39.91 11.36 11.00
690 37.80 39.23 11.36 11.00
695 37.18 38.57 11.36 11.00
700 36.56 37.92 11.35 11.00
705 35.93 37.29 11.35 11.00
710 35.30 36.65 11.34 11.00
715 34.66 36.02 11.34 11.00
720 34.01 35.38 11.34 11.00
25YEAR.XLS

52-
John R. McAdams Company, Inc. Page 6 /
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet) ,
725 33.36 34.73 11.33 11.00
730 32.71 34.09 11.33 11.00
735 32.06 33.44 11.32 11.00
740 31.42 32.80 11.32 11.00
745 30.80 32.16 11.31 11.00
750 30.20 31.53 11.31 11.00
755 29.61 30.91 11.31 11.00
760 29.05 30.31 11.30 11.00
765 28.51 29.73 11.30 11.00
770 28.00 29.17 11.30 11.00
775 27.52 28.64 11.29 11.00
780 27.07 28.13 11.29 11.00
785 26.64 27.64 11.29 11.00
790 26.23 27.18 11.28 11.00
795 25.85 26.75 11.28 11.00
800 25.48 26.34 11.28 11.00
805 25.14 25.95 11.27 11.00
810 24.81 25.58 11.27 11.00
815 24.49 25.23 11.27 11.00
820 24.20 24.95 11.27 11.00
825 23.91 24.66 11.27 11.00
830 23.64 24.38 11.26 11.00
835 23.38 24.10 11.26 11.00
840 23.13 23.83 11.26 11.00
845 22.89 23.56 11.26 11.00
850 22.66 23.31 11.25 11.00
855 22.43 23.06 11.25 11.00
860 22.22 22.83 11.25 11.00
865 22.01 22.60 11.25 11.00
870 21.80 22.37 11.25 11.00
875 21.61 22.16 11.25 11.00
880 21.42 21.95 11.24 11.00
885 21.23 21.75 11.24 11.00
890 21.05 21.55 11.24 11.00
895 20.87 21.36 11.24 11.00
900 20.70 21.18 11.24 11.00
905 20.53 21.00 11.24 11.00
910 20.37 20.82 11.24 11.00
915 20.21 20.65 11.23 11.00
920 20.05 20.48 11.23 11.00
925 19.90 20.32 11.23 11.00
930 19.75 20.16 11.23 11.00
935 19.60 20.01 11.23 11.00
940 19.46 19.85 11.23 11.00
945 19.32 19.70 11.23 11.00
950 19.18 19.56 11.23 11.00
955 19.04 19.41 11.22 11.00
960 18.91 19.27 11.22 11.00
965 18.78 19.13 11.22 11.00
25YEAR.XLS

John R. McAdams Company, Inc. Page 7
Time Inflow Outflow W.S. EL Weir El.
(min) (cfs) (cfs) (feet) (feet) ,
970 18.65 19.00 11.22 11.00
975 18.52 18.87 11.22 11.00
980 18.40 18.73 11.22 11.00
985 18.27 18.61 11.22 11.00
990 18.15 18.48 11.22 11.00
995 18.04 18.36 11.22 11.00
1000 17.92 18.23 11.21 11.00
1005 17.80 18.11 11.21 11.00
1010 17.69 18.00 11.21 11.00
1015 17.58 17.88 11.21 11.00
1020 17.47 17.77 11.21 11.00
1025 17.36 17.65 11.21 11.00
1030 17.26 17.54 11.21 11.00
1035 17.14 17.43 11.21 11.00
1040 17.00 17.32 11.21 11.00
1045 16.83 17.19 11.21 11.00
1050 16.62 17.04 11.21 11.00
1055 16.35 16.86 11.20 11.00
1060 16.01 16.64 11.20 11.00
1065 15.57 16.37 11.20 11.00
1070 15.04 16.02 11.20 11.00
1075 14.41 15.61 11.19 11.00
1080 13.71 15.11 11.19 11.00
1085 12.94 14.53 11.19 11.00
1090 12.12 13.89 11.18 11.00
1095 11.27 13.18 11.17 11.00
1100 10.41 12.53 11.17 11.00
1105 9.55 11.86 11.16 11.00
1110 8.71 11.15 11.15 11.00
1115 7.89 10.41 11.15 11.00
1120 7.11 9.65 11.14 11.00
1125 6.38 8.90 11.13 11.00
1130 5.71 8.16 11.12 11.00
1135 5.10 7.44 11.12 11.00
1140 4.55 6.76 11.11 11.00
1145 4.05 6.12 11.10 11.00
1150 3.60 5.52 11.10 11.00
1155 3.20 5.09 11.09 11.00
1160 2.83 4.69 11.09 11.00
1165 2.51 4.30 11.08 11.00
1170 2.22 3.92 11.08 11.00
1175 1.97 3.57 11.07 11.00
1180 1.74 3.24 11.07 11.00
1185 1.53 2.93 11.06 11.00
1190 1.35 2.64 11.06 11.00
1195 1.19 2.37 11.05 11.00
1200 1.05 2.13 11.05 11.00
1205 0.93 1.91 11.05 11.00
1210 0.82 1.71 11.04 11.00
25YEAR.XLS

,
John R. McAdams Company, Inc. Page 8 32/5�
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet) ,
1215 0.72 1.56 11.04 11.00
1220 0.63 1.45 11.04 11.00
1225 0.56 1.34 11.04 11.00
1230 0.49 1.24 11.03 11.00
1235 0.43 1.14 11.03 11.00
1240 0.38 1.05 11.03 11.00
1245 0.33 0.97 11.03 11.00
1250 0.29 0.88 11.03 11.00
1255 0.25 0.81 11.02 11.00
1260 0.22 0.74 11.02 11.00
1265 0.19 0.67 11.02 11.00
1270 0.17 0.61 11.02 11.00
1275 0.14 0.55 11.02 11.00
1280 0.13 0.50 11.02 11.00
1285 0.11 0.45 11.02 11.00
1290 0.09 0.41 11.02 11.00
1295 0.08 0.37 11.01 11.00
1300 0.07 0.33 11.01 11.00
1305 0.06 0.30 11.01 11.00
1310 0.05 0.27 11.01 11.00
1315 0.04 0.24 11.01 11.00
1320 0.03 0.22 11.01 11.00
1325 0.03 0.20 11.01 11.00
1330 0.02 0.19 11.01 11.00
1335 0.02 0.18 11.01 11.00
1340 0.01 0.17 11.01 11.00
1345 0.01 0.16 11.01 11.00
1350 0.01 0.15 11.01 11.00
1355 0.01 0.15 11.01 11.00
1360 0.00 0.14 11.01 11.00
1365 0.00 0.13 11.01 11.00
1370 0.00 0.12 11.01 11.00
1375 0.00 0.12 11.01 11.00
1380 0.00 0.11 11.01 11.00
1385 0.00 0.10 11.01 11.00
1390 0.00 0.10 11.01 11.00
1395 0.00 0.09 11.00 11.00
25YEAR.XLS

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!ohn R. McAdams Company, Inc. Page 3
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet)
0 0.00 0.00 10.65 11.00
5 0.01 0.00 10.65 11.00
10 0.01 0.00 10.65 11.00
15 0.03 0.00 10.65 11.00
20 0.05 0.00 10.65 11.00
25 0.08 0.00 10.65 11.00
30 0.12 0.00 10.65 11.00
35 0.17 0.00 10.65 11.00
40 0.24 0.00 10.65 11.00
45 0.33 0.00 10.65 11.00
50 0.44 0.00 10.66 11.00
55 0.56 0.00 10.66 11.00
60 0.71 0.00 10.66 11.00
65 0.88 0.00 10.67 11.00
70 1.07 0.00 10.67 11.00
75 1.27 0.00 10.68 11.00
80 1.50 0.00 10.68 11.00
85 1.75 0.00 10.69 11.00
90 2.02 0.00 10.70 11.00
95 2.31 0.00 10.71 11.00
100 2.61 0.00 10.72 11.00
105 2.93 0.00 10.74 11.00
110 3.26 0.00 10.75 11.00
115 3.62 0.00 10.77 11.00
120 3.99 0.00 10.79 11.00
125 4.37 0.00 10.81 11.00
130 4.77 0.00 10.83 11.00
135 5.18 0.00 10.86 11.00
140 5.61 0.00 10.89 11.00
145 6.06 0.00 10.92 11 on
150 6.52 0.00 10.95 11.00
155 7.00 0.00 10.98 11.00
160 7.49 0.19 11.01 11.00
165 8.01 1.12 11.03 11.00
170 8.56 2.22 11.05 11.00
175 9.14 3.51 11.07 11.00
180 9.78 4.66 11.09 11.00
185 10.46 5.81 11.10 11.00
190 11.22 7.12 11.11 11.00
195 12.06 8.30 11.13 11.00
200 12.98 9.39 11.14 11.00
205 14.00 10.46 11.15 11.00
210 15.11 11.52 11.16 11.00
215 16.32 12.61 11.17 11.00
220 17.60 13.94 11.18 11.00
225 18.98 15.34 11.19 11.00
230 20.43 16.74 11.20 11.00
50YEAR.XLS

3bf
John R. McAdams Company, Inc. Page 4
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet) ,
235 21.96 18.18 11.21 11.00
240 23.56 19.65 11.23 11.00
245 25.23 21.18 11.24 11.00
250 26.98 22.76 11.25 11.00
255 28.78 24.41 11.26 11.00
260 30.62 26.26 11.28 11.00
265 32.51 28.27 11.29 11.00
270 34.43 30.24 11.30 11.00
275 36.38 32.20 11.31 11.00
280 38.36 34.16 11.33 11.00
285 40.33 36.13 11.34 11.00
290 42.27 38.09 11.35 11.00
295 44.18 40.04 11.37 11.00
300 46.06 41.96 11.38 11.00
305 47.91 43.90 11.39 11.00
310 49.73 46.00 11.40 11.00
315 51.62 48.00 11.41 11.00
320 53.76 50.00 11.42 11.00
325 56.36 52.16 11.44 11.00
330 59.80 54.69 11.45 11.00
335 64.62 57.91 11.47 11.00
340 71.69 62.29 11.49 11.00
345 82.21 68.23 11.52 11.00
350 96.82 77.24 11.57 11.00
355 115.95 89.67 11.63 11.00
360 139.73 106.21 11.70 11.00
365 168.18 128.66 11.80 11.00
370 201.05 155.51 11.91 11.00
375 243.83 188.92 12.03 11.00
380 287.46 227.64 12.17 11.00
385 328.39 268.88 12.31 11.00
390 364.82 311.26 12.44 11.00
395 395.28 348.43 12.55 11.00
400 418.89 380.96 12.65 11.00
405 435.20 406.54 12.72 11.00
410 443.99 424.89 12.77 11.00
415 445.47 435.90 12.80 11.00
420 440.51 439.84 12.81 11.00
425 429.91 437.27 12.81 11.00
430 414.61 428.94 12.78 11.00
435 395.51 415.68 12.74 11.00
440 373.78 398.45 12.70 11.00
445 350.99 378.43 12.64 11.00
450 328.16 356.86 12.58 11.00
455 306.10 335.33 12.51 11.00
460 285.29 313.80 12.45 11.00
465 266.17 293.04 12.38 11.00
470 248.94 273.69 12.32 11.00
475 233.43 256.72 12.27 11.00
50YEAR.XLS

37%
John R. McAdams Company, Inc. Page 5 �
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet)
480 219.57 241.20 12.21 11.00
485 207.12 226.89 12.16 11.00
490 195.95 213.87 12.12 11.00
495 185.98 202.10 12.08 11.00
500 176.90 192.02 12.04 11.00
505 168.68 182.64 12.01 11.00
510 161.17 173.80 11.98 11.00
515 154.30 165.71 11.95 11.00
520 148.03 158.39 11.92 11.00
525 143.14 151.94 11.89 11.00
530 138.66 146.45 11.87 11.00
535 134.21 141.74 11.85 11.00
540 129.83 137.17 11.83 11.00
545 125.55 132.72 11.81 11.00
550 121.32 128.35 11.80 11.00
555 117.14 124.06 11.78 11.00
560 113.00 119.84 11.76 11.00
565 108.91 115.66 11.74 11.00
570 104.89 111.54 11.73 11.00
575 100.93 107.48 11.71 11.00
580 97.08 103.50 11.69 11.00
585 93.35 99.96 11.67 11.00
590 89.73 96.37 11.66 11.00
595 86.28 92.80 11.64 11.00
600 82.97 89.31 11.62 11.00
605 79.82 85.93 11.61 11.00
610 76.84 82.69 11.59 11.00
615 74.02 79.59 11.58 11.00
620 71.38 76.65 11.56 11.00
625 68.91 73.88 11.55 11.00
630 66.60 71.26 11.54 11.00
635 64.44 68.85 11.53 11.00
640 62.41 66.68 11.52 11.00
645 60.52 64.60 11.50 11.00
650 58.75 62.55 11.49 11.00
655 57.12 60.58 11.48 11.00
660 55.60 58.77 11.47 11.00
665 54.19 57.11 11.46 11.00
670 52.87 55.58 11.46 11.00
675 51.65 54.16 11.45 11.00
680 50.52 52.85 11.44 11.00
685 49.47 51.63 11.43 11.00
690 48.48 50.49 11.43 11.00
695 47.56 49.44 11.42 11.00
700 46.70 48.45 11.42 11.00
705 45.88 47.53 11.41 11.00
710 45.10 46.66 11.41 11.00
715 44.35 45.83 11.40 11.00
720 43.62 45.04 11.40 11.00
50YEAR.XLS

38/52
John R. McAdams Company, Inc. Page 6
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet) .
725 42.90 44.28 11.39 11.00
730 42.19 43.55 11.39 11.00
735 41.47 42.90 11.38 11.00
740 40.74 42.22 11.38 11.00
745 40.01 41.52 11.38 11.00
750 39.26 40.80 11.37 11.00
755 38.52 40.08 11.37 11.00
760 37.77 39.35 11.36 11.00
765 37.04 38.61 11.36 11.00
770 36.31 37.88 11.35 11.00
775 35.60 37.15 11.35 11.00
780 34.91 36.43 11.34 11.00
785 34.24 35.73 11.34 11.00
790 33.60 35.04 11.33 11.00
795 32.99 34.38 11.33 11.00
800 32.41 33.74 11.32 11.00
805 31.86 33.13 11.32 11.00
810 31.34 32.55 11.32 11.00
815 30.85 32.00 11.31 11.00
820 30.38 31.47 11.31 11.00
825 29.94 30.97 11.31 11.00
830 29.52 30.50 11.30 11.00
835 29.13 30.06 11.30 11.00
840 28.75 29.63 11.30 11.00
845 28.39 29.23 11.30 11.00
850 28.05 28.85 11.29 11.00
855 27.72 28.48 11.29 11.00
860 27.41 28.13 11.29 11.00
865 27.11 27.80 11.29 11.00
870 26.82 27.48 11.28 11.00
875 26.54 27.18 11.28 11.00
880 26.28 26.89 11.28 11.00
885 26.02 26.61 11.28 11.00
890 25.77 26.34 11.28 11.00
895 25.53 26.08 11.28 11.00
900 25.29 25.82 11.27 11.00
905 25.07 25.58 11.27 11.00
910 24.84 25.34 11.27 11.00
915 24.63 25.14 11.27 11.00
920 24.42 24.94 11.27 11.00
925 24.22 24.74 11.27 11.00
930 24.02 24.54 11.26 11.00
935 23.82 24.34 11.26 11.00
940 23.63 24.14 11.26 11.00
945 23.45 23.95 11.26 11.00
950 23.27 23.76 11.26 11.00
955 23.09 23.57 11.26 11.00
960 22.92 23.39 11.26 11.00
965 22.74 23.21 11.25 11.00
50YEAR.XLS

John R. McAdams Company, Inc. Page 7 9�5�
Time Inflow Outflow W.S. El. Weir EL
(min) (cfs) (cfs) (feet) (feet)
970 22.58 23.03 11.25 11.00
975 22.41 22.86 11.25 11.00
980 22.25 22.69 11.25 11.00
985 22.09 22.52 11.25 11.00
990 21.94 22.36 11.25 11.00
995 21.79 22.20 11.25 11.00
1000 21.64 22.04 11.24 11.00
1005 21.49 21.89 11.24 11.00
1010 21.35 21.74 11.24 11.00
1015 21.21 21.59 11.24 11.00
1020 21.07 21.44 11.24 11.00
1025 20.93 21.30 11.24 11.00
1030 20.79 21.16 11.24 11.00
1035 20.66 21.02 11.24 11.00
1040 20.53 20.88 11.24 11.00
1045 20.40 20.75 11.23 11.00
1050 20.27 20.62 11.23 11.00
1055 20.15 20.49 11.23 11.00
1060 20.03 20.36 11.23 11.00
1065 19.89 20.23 11.23 11.00
1070 19.73 20.09 11.23 11.00
1075 19.54 19.95 11.23 11.00
1080 19.29 19.77 11.23 11.00
1085 18.97 19.57 11.23 11.00
1090 18.57 19.31 11.22 11.00
1095 18.07 18.99 11.22 11.00
1100 17.45 18.60 11.22 11.00
1105 16.73 18.11 11.21 11.00
1110 15.91 17.53 11.21 11.00
1115 15.01 16.87 11.20 11.00
1120 14.07 16.12 11.20 11.00
1125 13.08 15.30 11.19 11.00
1130 12.08 14.43 11.18 11.00
1135 11.08 13.51 11.18 11.00
1140 10.10 12.64 11.17 11.00
1145 9.16 11.86 11.16 11.00
1150 8.25 11.04 11.15 11.00
1155 7.41 10.20 11.15 11.00
1160 6.63 9.38 11.14 11.00
1165 5.92 8.57 11.13 11.00
1170 5.28 7.80 11.12 11.00
1175 4.70 7.07 11.11 11.00
1180 4.18 6.38 11.11 11.00
1185 3.71 5.75 11.10 11.00
1190 3.29 5.24 11.09 11.00
1195 2.91 4.82 11.09 11.00
1200 2.58 4.42 11.08 11.00
1205 2.28 4.03 11.08 11.00
1210 2.02 3.67 11.07 11.00
50YEAR.XLS

John R. McAdams Company, Inc. Page 8
Time Inflow Outflow W.S. EL Weir El.
(min) (cfs) (cfs) (feet) (feet)
1215 1.78 3.32 11.07 11.00
1220 1.57 3.00 11.06 11.00
1225 1.39 2.71 . 11.06 11.00
1230 1.22 2.44 11.05 11.00
1235 1.08 2.19 11.05 11.00
1240 0.95 1.96 11.05 11.00
1245 0.83 1.75 11.05 11.00
1250 0.73 1.58 11.04 11.00
1255 0.64 1.47 11.04 11.00
1260 0.57 1.36 11.04 11.00
1265 0.50 1.26 11.04 11.00
1270 0.44 1.16 11.03 11.00
1275 0.38 1.07 11.03 11.00
1280 0.33 0.98 11.03 11.00
1285 0.29 0.90 11.03 11.00
1290 0.26 0.82 11.02 11.00
1295 0.22 0.75 11.02 11.00
1300 0.19 0.68 11.02 11.00
1305 0.17 0.62 11.02 11.00
1310 0.15 0.56 11.02 11.00
1315 0.13 0.51 11.02 11.00
1320 0.11 0.46 11.02 11.00
1325 0.09 0.42 11.02 11.00
1330 0.08 0.38 11.01 11.00
1335 0.07 0.34 11.01 11.00
1340 0.06 0.30 11.01 11.00
1345 0.05 0.27 11.01 11.00
1350 0.04 0.24 11.01 11.00
1355 0.03 0.22 11.01 11.00
1360 0.02 0.20 11.01 11.00
1365 0.02 0.19 11.01 11.00
1370 0.02 0.18 11.01 11.00
1375 0.01 0.17 11.01 11.00
1380 0.01 0.16 11.01 11.00
1385 0.01 0.15 11.01 11.00
1390 0.01 0.15 11.01 11.00
1395 0.00 0.14 11.01 11.00
1400 0.00 0.13 11.01 11.00
1405 0.00 0.12 11.01 11.00
1410 0.00 0.12 11.01 11.00
1415 0.00 0.11 11.01 11.00
1420 0.00 0.10 11.01 11.00
1425 0.00 0.10 11.01 11.00
1430 0.00 0.09 11.00 11.00
50YEAR.XLS

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John R. McAdams Company, Inc. Page 3 3/52
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet)
0 0.00 0.00 10.65 11.00
5 0.01 0.00 10.65 11.00
10 0.01 0.00 10.65 11.00
15 0.03 0.00 10.65 11.00
20 0.04 0.00 10.65 11.00
25 0.07 0.00 10.65 11.00
30 0.11 0.00 10.65 11.00
35 0.17 0.00 10.65 11.00
40 0.24 0.00 10.65 11.00
45 0.33 0.00 10.65 11.00
50 0.44 0.00 10.66 11.00
55 0.57 0.00 10.66 11.00
60 0.73 0.00 10.66 11.00
65 0.91 0.00 10.67 11.00
70 1.11 0.00 10.67 11.00
75 1.34 0.00 10.68 11.00
80 1.58 0.00 10.68 11.00
85 1.86 0.00 10.69 11.00
90 2.15 0.00 10.70 11.00
95 2.46 0.00 10.71 11.00
100 2.79 0.00 10.73 11.00
105 3.14 0.00 10.74 11.00
110 3.51 0.00 10.76 11.00
115 3.89 0.00 10.78 11.00
120 4.29 0.00 10.80 11.00
125 4.71 0.00 10.82 11.00
130 5.14 0.00 10.85 11.00
135 5.59 0.00 10.87 11.00
140 6.06 0.00 10.90 11.00
145 6.54 0.00 10.93 11.00
150 7.03 0.00 10.97 11.00
155 7.54 0.05 11.00 11.00
160 8.07 0.82 11.03 11.00
165 8.61 1.83 11.05 11.00
170 9.18 3.20 11.07 11.00
175 9.75 4.42 11.08 11.00
180 10.35 5.53 11.10 11.00
185 10.96 6.86 11.11 11.00
190 11.60 8.01 11.12 11.00
195 12.28 9.03 11.13 11.00
200 13.00 9.97 11.14 11.00
205 13.78 10.86 11.15 11.00
210 14.62 11.73 11.16 11.00
215 15.55 12.60 11.17 11.00
220 16.58 13.64 11.18 11.00
225 17.72 14.77 11.19 11.00
230 18.97 15.92 11.20 11.00
100YEAR.XLS

44/John R. McAdams Company, Inc. Page 4 SZ
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet)
235 20.34 17.12 11.21 11.00
240 21.81 18.39 11.22 11.00
245 23.39 19.75 11.23 11.00
250 25.07 21.19 11.24 11.00
255 26.84 22.72 11.25 11.00
260 28.70 24.35 11.26 11.00
265 30.64 26.20 11.28 11.00
270 32.65 28.26 11.29 11.00
275 34.75 30.33 11.30 11.00
280 36.91 32.41 11.32 11.00
285 39.12 34.54 11.33 11.00
290 41.36 38.70 11.34 11.00
295 43.65 38.90 11.36 11.00
300 45.96 41.14 11.37 11.00
305 48.29 43.41 11.39 11.00
310 50.62 45.96 11.40 11.00
315 52.90 48.44 11.42 11.00
320 55.15 50.83 11.43 11.00
325 57.35 53.15 11.44 11.00
330 59.51 55.41 11.45 11.00
335 61.63 57.61 11.47 11.00
340 63.83 59.80 11.48 11.00
345 66.32 62.06 11.49 11.00
350 69.35 64.47 11.50 11.00
355 73.37 67.22 11.52 11.00
360 78.99 70.90 11.54 11.00
365 87.22 76.11 11.56 11.00
370 99.37 83.44 11.60 11.00
375 116.17 93.82 11.65 11.00
380 138.07 108.49 11.71 11.00
385 165.24 128.79 11.80 11.00
390 197.64 153.98 11.90 11.00
395 241.27 186.73 12.02 11.00
400 288.78 226.14 12.16 11.00
405 336.13 270.57 12.31 11.00
410 380.97 318.54 12.46 11.00
415 421.07 363.41 12.60 11.00
420 454.66 404.74 12.71 11.00
425 480.71 439.68 12.81 11.00
430 501.20 469.23 12.89 11.00
435 511.41 490.74 12.95 11.00
440 512.28 502.99 12.98 11.00
445 505.25 506.34 12.99 11.00
450 491.55 501.73 12.98 11.00
455 472.48 490.29 12.95 11.00
460 449.18 473.20 12.90 11.00
465 423.10 451.70 12.85 11.00
470 397.47 428.38 12.78 11.00
475 372.39 404.26 12.71 11.00
100YEAR.XLS

43/42,
John R. McAdams Company, Inc. Page 5
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet)
480 347.88 379.77 12.64 11.00
485 324.59 355.60 12.57 11.00
490 303.07 333.02 12.51 11.00
495 283.61 311.43 12.44 11.00
500 266.03 291.47 12.38 11.00
505 250.29 273.31 12.32 11.00
510 236.12 257.59 12.27 11.00
515 223.40 243.30 12.22 11.00
520 212.02 230.15 12.18 11.00
525 201.65 218.17 12.13 11.00
530 192.25 207.27 12.10 11.00
535 183.66 197.59 12.06 11.00
540 175.80 188.87 12.03 11.00
545 168.63 180.75 12.00 11.00
550 161.98 173.00 11.97 11.00
555 155.81 165.90 11.95 11.00
560 150.03 159.37 11.92 11.00
565 145.13 153.43 11.90 11.00
570 140.88 148.18 11.88 11.00
575 136.52 143.67 11.86 11.00
580 132.12 139.27 11.84 11.00
585 127.69 134.87 11.82 11.00
590 123.25 130.45 11.80 11.00
595 118.83 126.03 11.79 11.00
600 114.46 121.62 11.77 11.00
605 110.17 117.24 11.75 11.00
610 106.00 112.94 11.73 11.00
615 101.95 108.72 11.71 11.00
620 98.07 104.63 11.70 11.00
625 94.34 100.93 11.68 11.00
630 90.79 97.36 11.66 11.00
635 87.42 93.84 11.65 11.00
640 84.24 90.42 11.63 11.00
645 81.25 87.15 11.61 11.00
650 78.46 84.03 11.60 11.00
655 75.84 81.10 11.59 11.00
660 73.38 78.33 11.57 11.00
665 71.09 75.73 11.56 11.00
670 68.95 73.29 11.55 11.00
675 66.94 71.01 11.54 11.00
680 65.09 68.91 11.53 11.00
685 63.36 67.04 11.52 11.00
690 81.76 65.25 11.51 11.00
695 60.27 63.55 11.50 11.00
700 58.88 61.85 11.49 11.00
705 57.60 60.31 11.48 11.00
710 56.40 58.89 11.47 11.00
715 55.28 57.59 11.47 11.00
720 54.23 56.38 11.46 11.00
100YEAR.XLS

John R. McAdams Company, Inc. Page 6
��5Z
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet) ,
725 53.25 55.25 11.45 11.00
730 52.32 54.20 11.45 11.00
735 51.43 53.21 11.44 11.00
740 50.58 52.27 11.44 11.00
745 49.74 51.37 11.43 11.00
750 48.92 50.50 11.43 11.00
755 48.10 49.65 11.42 11.00
760 47.27 48.81 11.42 11.00
765 46.43 47.97 11.41 11.00
770 45.57 47.13 11.41 11.00
775 44.70 46.28 11.40 11.00
780 43.83 45.42 11.40 11.00
785 42.98 44.55 11.39 11.00
790 42.09 43.69 11.39 11.00
795 41.24 42.92 11.38 11.00
800 40.41 42.12 11.38 11.00
805 39.59 41.32 11.37 11.00
810 38.81 40.51 11.37 11.00
815 38.05 39.72 11.36 11.00
820 37.33 38.95 11.36 11.00
825 36.65 38.21 11.35 11.00
830 36.01 37.50 11.35 11.00
835 35.40 36.82 11.34 11.00
840 34.82 36.17 11.34 11.00
845 34.28 35.56 11.34 11.00
850 33.77 34.97 11.33 11.00
855 33.28 34.43 11.33 11.00
860 32.82 33.90 11.33 11.00
865 32.39 33.41 11.32 11.00
870 31.97 32.94 11.32 11.00
875 31.58 32.50 11.32 11.00
880 31.20 32.08 11.31 11.00
885 30.84 31.68 11.31 11.00
890 30.50 31.30 11.31 11.00
895 30.17 30.93 11.31 11.00
900 29.85 30.58 11.30 11.00
905 29.54 30.24 11.30 11.00
910 29.25 29.92 11.30 11.00
915 28.96 29.61 11.30 11.00
920 28.69 29.31 11.30 11.00
925 28.42 29.02 11.29 11.00
930 28.16 28.75 11.29 11.00
935 27.91 28.48 11.29 11.00
940 27.67 28.22 11.29 11.00
945 27.43 27.96 11.29 11.00
950 27.20 27.72 11.29 11.00
955 26.97 27.48 11.28 11.00
960 26.75 27.24 11.28 11.00
965 26.54 27.02 11.28 11.00
100YEAR.XLS

John R. McAdams Company, Inc. 9
n Inc Page 7 q7/5�
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet) ,
970 26.33 26.80 11.28 11.00
975 26.12 26.58 11.28 11.00
980 25.92 26.37 11.28 11.00
985 25.72 26.16 11.28 11.00
990 25.53 25.96 11.27 11.00
995 25.34 25.76 11.27 11.00
1000 25.16 25.57 11.27 11.00
1005 24.98 25.38 11.27 11.00
1010 24.80 25.20 11.27 11.00
1015 24.62 25.04 11.27 11.00
1020 24.45 24.88 11.27 11.00
1025 24.28 24.72 11.27 11.00
1030 24.12 24.55 11.26 11.00
1035 23.95 24.38 11.26 11.00
1040 23.79 24.22 11.26 11.00
1045 23.64 24.06 11.26 11.00
1050 23.48 23.90 11.26 11.00
1055 23.33 23.74 11.26 11.00
1060 23.18 23.58 11.26 11.00
1065 23.03 23.43 11.26 11.00
1070 22.89 23.28 11.25 11.00
1075 22.74 23.13 11.25 11.00
1080 22.60 22.98 11.25 11.00
1085 22.47 22.84 11.25 11.00
1090 22.31 22.69 11.25 11.00
1095 22.14 22.54 11.25 11.00
1100 21.91 22.38 11.25 11.00
1105 21.64 22.18 11.25 11.00
1110 21.28 21.95 11.24 11.00
1115 20.83 21.66 11.24 11.00
1120 20.27 21.31 11.24 11.00
1125 19.57 20.86 11.24 11.00
1130 18.76 20.31 11.23 11.00
1135 17.84 19.67 11.23 11.00
1140 16.84 18.92 11.22 11.00
1145 15.78 18.08 11.21 11.00
1150 14.67 17.16 11.21 11.00
1155 13.55 16.18 11.20 11.00
1160 12.43 15.15 11.19 11.00
1165 11.33 14.10 11.18 11.00
1170 10.27 13.04 11.17 11.00
1175 9.26 12.17 11.17 11.00
1180 8.31 11.29 11.16 11.00
1185 7.44 10.40 11.15 11.00
1190 6.64 9.52 11.14 11.00
1195 5.92 8.68 11.13 11.00
1200 5.27 7.88 11.12 11.00
1205 4.68 7.12 11.11 11.00
1210 4.16 6.42 11.11 11.00
100YEAR.XLS

John R. McAdams Company, Inc. Page 8 '
Time Inflow Outflow W.S. EL Weir EL
(min) (cfs) (cfs) (feet) (feet) .
1215 3.69 5.77 11.10 11.00
1220 3.27 5.25 11.09 11.00
1225 2.89 4.83 11.09 11.00
1230 2.56 4.42 11.08 11.00
1235 2.26 4.03 11.08 11.00
1240 2.00 3.66 11.07 11.00
1245 1.76 3.31 11.07 11.00
1250 1.55 2.99 11.06 11.00
1255 1.37 2.70 11.06 11.00
1260 1.21 2.42 11.05 11.00
1265 1.06 2.17 11.05 11.00
1270 0.93 1.94 11.05 11.00
1275 0.82 1.74 11.04 11.00
1280 0.72 1.57 11.04 11.00
1285 0.63 1.46 11.04 11.00
1290 0.56 1.36 11.04 11.00
1295 0.49 1.25 11.03 11.00
1300 0.43 1.15 11.03 11.00
1305 0.37 1.06 11.03 11.00
1310 0.33 0.97 11.03 11.00
1315 0.29 0.89 11.03 11.00
1320 0.25 0.81 11.02 11.00
1325 0.22 0.74 11.02 11.00
1330 0.19 0.68 11.02 11.00
1335 0.16 0.61 11.02 11.00
1340 0.14 0.56 11.02 11.00
1345 0.12 0.50 11.02 11.00
1350 0.10 0.46 11.02 11.00
1355 0.09 0.41 11.02 11.00
1360 0.07 0.37 11.01 11.00
1385 0.06 0.33 11.01 11.00
1370 0.05 0.30 11.01 11.00
1375 0.04 0.27 11.01 11.00
1380 0.03 0.24 11.01 11.00
1385 0.03 0.21 11.01 11.00
1390 0.02 0.20 11.01 11.00
1395 0.02 0.19 11.01 11.00
1400 0.01 0.18 11.01 11.00
1405 0.01 0.17 11.01 11.00
1410 0.01 0.16 11.01 11.00
1415 0.01 0.15 11.01 11.00
1420 0.00 0.14 11.01 11.00
1425 0.00 0.14 11.01 11.00
1430 0.00 0.13 11.01 11.00
1435 0.00 0.12 11.01 11.00
1440 0.00 0.11 11.01 11.00
1445 0.00 0.11 11.01 11.00
1450 0.00 0.10 11.01 11.00
1455 0.00 0.10 11.01 11.00
100YEAR.XLS

4q/5Z
John R. McAdams Company, Inc. Page 9
Time Inflow Outflow W.S. El. Weir El.
(min) (cfs) (cfs) (feet) (feet) .
1460 0.00 0.09 11.00 11.00
100YEAR.XLS

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II
THE JOHN R. McADAMS COMPANY INC.
CONSULTING ENGINEERS
POST OFFICE BOX 14005
RESEARCH TRIANGLE PARK,NORTH CAROLINA 27709
[phone] FAX[phone]
WATER
LETTER OF TRANSMITTAL
To: Ms. Linda Lewis Date: June 23, 1995.
DEM - Water Quality Section
127 Cardinal Drive Extension IECIEEIVIE
U J
Wilmington, North Carolina 28405-3845 JUN 2 7 1995
D &
**FEDERAL EXPRESS** PRO]. # 560K(4SO�7G
Re: Landfall Clubhouse Pond Job No: LFA 95000
I am sending you the following item(s):
COPIES DATE NO. DESCRIPTION
2 2 Pond Exhibit & Sun Runner Road Exhibits (Revised)
1 3 Calculations - Revised (Sheets 10, 11 and 12)
1 Revised Original Submittal Form
These are transmitted as checked below:
- As requested For your use
For approval
- For review and comment _
Remarks: Dear Ms. Lewis: I am resubmitting these revised plans and calculation
sheets in response to your review letter of June 15 and subsequent phone
conversations. We reduced the number of siphons from 6 to 3 per
your discussion with Amos Clark of our office. I am including the
revised original submittal form with the deed restriction information
we discussed. Thanks for your help.Copy to: Keith Cooper Slgned: � Jit
ica.kf
Landfall Associates Richard J. Dickie, PE
Project Manager

4'.' J C}
,..
,„4,
„f„,.. 14
V, r...,'
State of North Carolina
Department of Environment, Health, and Natural Resources
Wilmington Regional Office
James B. Hunt, Jr., Governor DIVISION OF ENVIRONMENTAL MANAGEMENT Bob Jamieson
Jonathan B. Howes, Secretary WATER QUALITY SECTION Regional Manager
June 15, 1995
Mr. Richard Dickie, P.B.
The John R. McAdams Company
Post Office Box 14005
Research Triangle Park, North Carolina 27709-4005
Subject: ADDITIONAL INFORMATION
Stormwater Project No. SW8 950506
Landfall Clubhouse
New Hanover County
Dear Mr. Dickie:
The Wilmington Regional Office received previously requested information for the Landfall
Clubhouse on June 9, 1995. A preliminary review of that information has determined that the submittal
for the subject project is not complete. The following information is needed to continue the stormwater
review:
. ,, ✓ 1. The plan sheet provided with the "delineation" of the 228 acre drainage area is very
(JP confusing. There are unlabelled lines everywhere, with no clear indication of the 228 acres.
Please add a dark line around the 228 acres which clearly delineates the drainage area.
,/2. Please return the original submittal form with the previously requested revisions.
�� 2- 3. Please provide the source and/or derivation of both rewritten orifice equations you have
c 4ci used. I would like to study them to see if they can be appropriately used by the State.
vY;C'`'e' 2,,
'b 4. You state in the calculations, page 10/52, that the orifice is submerged. This is only true
if the outlet side of the orifice is submerged. There is no indication on the plans that the
water level on the downstream side of the weir is above 10.65, therefore, the orifice
discharges freely into the atmosphere, and the normal orifice equation will apply. Inverting
the orifice to prevent clogging will produce only minor losses that can be ignored. Your
calculations use the falling head theory to determine flow through the orifice, which is fine.
My calculation is based on the average head which should produce a relatively close
answer to yours, but it doesn't, which is unexpected. There is only so much flow that one
2" orifice can handle whether calculated by falling head or by average head. I have
127 Cardinal Drive Extension,Wilmington, N.C.28405-3845•Telephone [phone] • Fax [phone]
An Equal Opportunity Affirmative Action Employer

Mr. Dickie
June 15, 1995
Stormwater Project No. SW8 950506
consulted with several engineers on staff here and the general consensus is that technically,
you will never be able to draw down the volume to zero with the method you use. The
State has always supported the most conservative method, and I feel that 6-2" orifices will
draw down the volume much too quickly, therefore, the detention requirements of the State
will not be met. If you continue to justify the 6-2" orifices, the Certification will have a
paragraph which will require that if the 6 orifices are shown to draw the pond volume
down in less than 2 days, plugging of select orifices will be required until a minimum 2
days' detention time is met.
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 July 15, 1995, or the submittal will be
returned as incomplete.
If you have any questions concerning this matter please feel free to call me at [phone].
Sincerely,
/eA:k7cia
Ms. Linda Lewis
Environmental Engineer
DA/arl: S:\WQS\STORMWAT\ADDINFO\950506.JUN
cc: Linda Lewis
Central Files

la@g27.7..79
ig JUN 09 1995
THE JOHN R. McADAMS COMPA R Ae "ER,..._.
CONSULTING ENGINEERS r POST OFFICE BOX 14005
RECEIVE n
RESEARCH TRIANGLE PARK,NORTH CAROLINA 27709
[phone] FAX[phone]
JUN 0 9 1995
LETTER OF TRANSMITTAL E
PRAT #5(,��7 9505(X,
To: Ms. Linda Lewis Date: June 8, 1995
DEM - Water Quality Section
127 Cardinal Drive Extension **FEDERAL EXPRESS**
Wilmington, North Carolina 28405-3845
Re: Landfall Clubhouse Road Job No: LFA-95000 E
I am sending you the following item(s):
COPIES DATE NO. DESCRIPTION
2 Pond Exhibit - Revised
1 Calculations - Revised
2 Sun Runner Road Layout Exhibit
1 Letter of Response to Review Comments
1 Operation and Maintenance Agreement
These are transmitted as checked below:
- As requested For your use
For approval
- For review and comment
Remarks: Dear Linda: I am resubmitting these items for your review
and approval. We have addressed your May 18th comments. My letter
of response details our actions.
Q.k`CAP-1 Nh•citc .._
Copy to: Keith Cooper Signed.
Landfall Associates • Richard J. Dickie, PE
Project Manager

THE JOHN R. McADAMS COMPANY INC.
CONSULTING ENGINEERS
POST OFFICE BOX 14005
RESEARCH TRIANGLE PARK,NORTH CAROLINA 27709
[phone] FAX[phone]
June 8, 1995
STULMViATER ER
' p CU [UOVC
JUN 0 9 1995
Ms. Linda Lewis D
Division of Environmental Management PRU $� �
Water Quality Section J
127 Cardinal Drive Extension
Wilmington,North Carolina 28405-3845
Re: Landfall Clubhouse Pond
LFA 95000
Dear Ms. Lewis:
I have addressed the comments from your review letter of May 18. The changes
are reflected in the exhibit and the calculations. I will address each of your
comments in this letter to clarify our response and make your follow-up review
more simple.
1. I have sealed and signed the exhibit and the calculations.
2. I have signed and notarized the original copy of the Operation and
Maintenance Agreement that you provided.
3. We revised the pond volume by adjusting the normal pool down to
Elevation 10.65 (from 10.70) and raising the spillway to Elevation 11.00
(from 10.96). This provides storage for 25,080 CF which accounts for the
volume you requested. It also accounts for increasing the 9.35 acres of
Block 24 lots (Sun Runner Road) from 35% impervious to 50%
impervious (see Sheet 2 of 4 in the calculations).
4. We labeled and dedicated the new normal pool contour(Elevation 10.65).
5. We prepared an exhibit map that shows the 228 acre drainage boundary on
both a topo map and a land use map. The 19.56 acre drainage area is
included in that area as part of catchment "Cl". It is comprised of the
clubhouse area (10.21 acres) and the Sun Runner Road-Block 24 Lots
(9.35 acres). I am including an exhibit that shows that area.

II_
' THE JOHN R. McADAMS COMPANY INC.
Ms. Linda Lewis
June 8, 1995
Page Two
6. The Sun Runner Road extension and sac is shown on the exhibit I
mentioned in Item#5.
7. I revised the calculations to reflect the 90%TSS SA/DA chart.
8. I checked the draw-down time for the six 2" orifice siphons, and believe
that it is correct. Please review sheets 10/52 through 12/52. We have
broken the stage-storage-discharge function into small increments to
approximate the actual real-time operation of the siphons. The only way
this draws down in less than one day if you divide the flow at water
surface elevation 11.00 (0.325 cfs) into the full storage at water surface
elevation 11.00 (25,307 cf), yielding 21.6 hours. In actual operation, the
flowrate decreases as the driving head falls.
I believe that we have addressed your concerns with the changes shown in this
package. Please call me if you have any questions or need anything else.
Sincerely,
THE JOHN R. McADAMS+� COMPANY, INC.
VCC64-J
Richard J. Dickie, PE
Project Manager
RJD/dcg
Enclosures
cc: Mr. Keith Cooper, Landfall Associates

.te a of North Carolina ro
Dr partment of Environment, D -0 A
F'ealth and Natural Resourc •
Division of Environmental Managemelnt 4 •
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary r- 4 NI Fl
A. Preston Howard, Jr., P.E., Director
June 2, 1995
Mr. S. Keith Cooper
Landfill Associates
2011 Pembroke Jones Dr.
Wilmington, NC 28480
Subject: NPDES Stormwater Notice of Intent
Construction Activity, NCG010000
Dear Mr. Cooper:
On May 22, 1995, the Division of Environmental Management received a NPDES
Stormwater Notice of Intent (NOI) for coverage under General Stormwater Permit No.
NCG010000 for Landfall Clubhouse in New Hanover County.
The following was received:
)( Completed and Signed NOI form.
Copy of Approval of the Sedimentation and Erosion Control Plan.
X Copy of a county map or USGS quad with the project marked on the map.
x Application fee of$50.00.
The submittal is considered incomplete. Therefore, the Division of Environmental Management is
returning your submittal. The following items were not received:
Completed and Signed NOI form.
X Copy of Approval of the Sedimentation and Erosion Control Plan.
Copy of a county map or USGS quad with the project marked on the map.
Application fee of$50.00.
Your submittal will need to be resubmitted with items as indicated above. The receipt of
the above information does not preclude this Division from requesting additional information at a
future date.
If-you have any questions, please contact Steve Ulmer at(919) 733-5083.
-.411111011 Piri/
�'4W,, id Goodrich
NPDES Supervisor
cc: Wilmington Regional Office
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10%post-consumer paper

IT@MEW'Mtl
PLAY 2 4 1995
l.. t
-
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4111ija
May 19, 1995
North Carolina Division of Environmental Management
Water Quality Section, NPDES Group
P.O. Box 29535
Raleigh, NC 27626-0535
Re: General NPDES Permit
Landfall Clubhouse
New Hanover County
Gentlemen:
Enclosed please find the following items for review and
approval:
- Completed Notice of Intent requesting coverage
under General NPDES Permit NCG 010000;
- Letter of Approval from New Hanover County for
grading activities at the site;
- Copy of USGS Quad maps showing site location;
- Check for $50 filing fee
Please contact me at 910-256-7646 if there are any
questions regarding this request.
Sincerely,
. Keith Cooper, P.E.
Director of Land Development
SKC:sc
enclosures
cc: Ms . Linda Lewis
Wilmington Regional Office
LA NOMa ASS/l flATF s r- a r.... C:bR ..i Ai.i^JCG rrrsivr.cra Ter-»i . ueu.uw'r Y.v.' ...-..r... .......... __ ...

-
�' � e�.SfATE6'
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,,,..„,44_,
%I. .... )
State of North Carolina
Department of Environment, Health, and Natural Resources
• Wilmington Regional Office
James B. Hunt, Jr., Governor DIVISION OF ENVIRONMENTAL MANAGEMENT Bob Jamieson
Jonathan B. Howes, Secretary WATER QUALITY SECTION Regional Manager
•
May 18, 1995 .
Mr. Richard Dickie, P.E.
The John R. McAdams Company
Post Office Box 14005
Research Triangle Park, North Carolina 27709
Subject: ADDITIONAL INFORMATION
Stormwater Project No. SW8 950506
Landfall Clubhouse
New Hanover County .
Dear Mr. Dickie:
The Wilmington Regional Office received a Stormwater Submittal for the Landfall Clubhouse on
May 15, 1995. A preliminary review of that information has determined that the submittal for the subject
project is not complete. The following information is needed to continue the stormwater review:
1. Plan sheets must bear a North Carolina Prefessional Engineer's seal.
. 2. Signed and notarized Operation and Maintenance plan. (guide enclosed).
3. The pond's volume is deficient. You have shown that the volume associated with a 228
acre drainage area into the pond is 19,036 cubic feet, (calculated by the SCS Method) but
you only provide 18,000 cubic feet, based on the surface areas of 62,291 square feet at
10.7, and 76,230 square feet at 10.96. On page 5 of 50, you calculate the volume in the
• pond at elevation 10.96 to be 17,505 cubic feet. Please revise the storage elevation to
provide at least 19,036 cubic feet.'
4. Please label and delineate the 10.7 contour on the plans.
5. Please provide a map that shows the 19.56 acre drainage area boundary, and the 228 acre
drainage area boundary, including the 10 lots estimated at 35% coverage. Provide a deed
restriction on the back of the submittal form to that effect. (Original submittal form
enclosed for your convenience.)
•
127 Cardinal Drive Extension,Wilmington, N.C.28405-3845 •Telephone [phone]• Fax [phone]
An Equal Opportunity Affirmative Action Employer

•
Mr. Dickie •
•
May 18, 1995
Stormwater Project No. SW8 950506
c ,/6. Is all of Sun Runner Road extension shown on the plans? The calculations reference a
` "sac" that is not labelled on the plans.
,/7. Use of the 85% TSS SA/DA chart will necessitate the use of a vegetated filter. Since you
have excess surface area, please revise the calculations to use the 90% TSS chart, or
S;6¢5' provide a vegetated filter detail on the plans.
d A'
c •
4n ti � 8. The 6 -2" orifices will take less than 1 day to draw down 19,036 cubic feet of runoff. You
ICS J �• 4� must provide at least 2 days detention. Please revise.
v
• Please note that this request for additional information is in response to a preliminary review. The
4 requested information should be received by this Office prior to June 17, 1995, or the submittal will be
returned as incomplete.
If you have any questions concerning this matter please feel free to call me at [phone].
Sincerely,
Ms. Linda Lewis •
Environmental Engineer
DA/arl: S:\WQS\STORMWAT\ADDINFO\950506.MAY
cc: Linda Lewis
Keith Cooper
Central Files

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MAY 15 1995
I
1524
ls(46
HAND DELIVERED
Ms . Linda Lewis
NCDEM
127 Cardinal Drive Extension
Wilmington, NC 28405
Re: Landfall Clubhouse/Landfall II-Block 24
Stormwater Certification
Dear Ms . Lewis:
Enclosed please find the following materials for your
review and approval :
- Application for stormwater certification
- Three sets of engineering calculations
-- Three copies of site grading plans
Please contact Richard Dickie at The John R. McAdams
Company, 1-800-733-5646, if you have any questions
regarding this package.
Sincerely,
. Keith Coope
Director of Land Development
SKC:sc
4
enclosures ar n �
cc: Richard Dickie
RECEIVED
MAY 1 5 1995
DAM
PROD # syos 95o SO('
LANDFALL ASSOCIATES • P.O.BOX 5368,HANOVER CENTER STATION o WILMINGTON,NORTH CAROLINA 28403 a 919-256.6111

444. 16,%:„ .
•aa,,,es•
State of North Carolina
Department of Environment, Health, and Natural Resources
Wilmington Regional Office
James B. Hunt, Jr., Governor DIVISION OF ENVIRONMENTAL MANAGEMENT Bob Jamieson
Jonathan B. Howes, Secretary WATER QUALITY SECTION Regional Manager
March 22, 1995
Mr. Roy Paul Lorenzen, P.E.
The John R. McAdams Company
Post Office Box 14005
Research Triangle Park, North Carolina 27709-4005
Subject: Erosion Control Plan Revisions
Landfall Club
New Hanover County
Dear Mr. Lorenzen:
On March 13, 1995, the Wilmington Regional Office received a copy of a revised Erosion Control
Plan for the Jandfall Club. Please be aware that any site which makes significant changes to a
Sedimentation Erosion Control Plan, S&EC, that was approved prior to January 1, 1988, is required to
submit for and receive a Certification of Compliance with Stormwater regulations, or a concurrance that
the proposed changes do not increase the amount of impervious surface over the previously approved
amount.
Per the State's agreement with Landfall, any areas that bad received EC Plan approval prior to
1-1-88, and are proposing revisions that require a revised S&EC plan, must demonstrate that the amount
of impervious area has not increased as a result of those revisions.
A stormwater submittal, or information regarding the status of this project, must be received in
this Office by April 22, 1995. If you have any questions, please do not hesitate to call me at (910) 395-
3900.
Sincerely,
Linda Lewis
Environmental Engineer
DA/arl: S:\WQS\STORMWAT\STORMSUB\LANDCLUB.MAR
cc: (2) Linda Lewis
Keith Cooper, Landfall Associates
127 Cardinal Drive Extension,Wilmington,N.C.28405-3845 •Telephone [phone] • Fax [phone]
An Equal Opportunity Affirmative Action Employer