20061617 Ver 2_Stormwater Info_20080228

McNeely Associates pa
landscape architects & planning consultants
5501 McNeely Drive, Raleigh, NC 27612
P O Drawer 30126, Raleigh, NC 27622
Phone [phone] Fax [phone]
Attention Lia Myott
Firm NC DWQ
Address Parkview Building
2321 Crabtree Blvd, Suite 250
Raleigh, NC 27604
Phone [phone]
Fax #
We are sending you:
Z x.p D to - ? LP ? `i Vex 2
Letter of Transmittal
Date 2.28.2008
Project E-34 Elementary School
Code W E F-34
Sent Via Hand delivered
Copies Date Sheet(s) Description
Initial Interst in Participation in the Express Review Program within
1 2 the 401 Oversite/Express Permitting Unit
1 set 1.29.2008 29 Wendell Site Plan Submittal Final
1 12.10.2007 Booklet Hydrology and Erosion Control Report
These are transmitted for:
Remarks - i
`icy
Copies to:
Dennis E Pitts, RLA, ASLA
Larry J Ragland, RLA, ASLA
Keith Downing, RLA, ASLA
Pam Kistner, Dewberry
Revised 1.22.2008

E kp D(a - lull Ye r2
Hydrology and Erosion Control Report
December 0, 2007
PROJECT
Wendell Elementary School - E4
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CLIENT
Wale County
Public Schaal System
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McNeely Associates pa
landscape architects & planning consultants
PO Drawer 30126, Raleigh, NC 27622-0126
5501 McNeely Drive, Raleigh, N 276:12
{913} 782-9677 [phone] fax
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JENIK - VVArb6_,
V r 11 LANDS AND SGMV1 -V i.: .

1 Table of Contents
12!1O!t)7
' E34 Elementary; School Storm Water/ Erosion Control submission
Wake County Public School System
' Wake County Parks SN'stern
A. Site Nan-at ilc
' B. Copy of Wake County Public School System (WCPSS)
Financial Respoiisit-,ilit\>` ONNNiiershil) Form (w°ith creek for $910.00 }
C. Copy of Wake Count} Parks
Financial Responsibility' Ownership Form (w°ith checks for $455.00
D. Erosion and Sediment Control Plan Preliminary Review Checklist
' E. USES Map/ Nuke County Soils Map
' F. NRB delineation environmental report
G. FxIsting Watersheds exhibit
' H. Proposed Watersheds exhibit
L Sediment Traps/ Skimmer Basin design calculations
' J. Bio-Retention Basin Design Calculations
K. Proposed Conditions `C' ti, Ilu s spreadsheet
L. HydrowFlow storm drain piping calculations (2 yr, 10 yr, & 5 Yr)

1 Piping Systems A, B, C, D, E, F
M. Hydrograph and reservoir routing report (?, 10, 25, c'S<: 100 yr stonns)
' North and South Bio-Retention Basins (voluntary nitrogen reduction)
' N. Copy of Property Deeds (Wake Co. Parks & WCPSS)
0. Project "I"echnical Specifications.
' Section 02230 Erosion Control
Section 02700 - Storm Drainage and Piping
' Section 02900 - Landscaping
End
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' Wendell E54 Flerrlentary School 10 December 2007 \Il l: u-ZA
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Site Erosion Control( Storm Water Design Narrative
General: This approximately 17.6 acre site is west ol' the appro%ed N e:ndell Falls
Planned t,init Development (P J.D.) can Poole load in eastern %Vake «ulity, North
Carolina, and _just northca,t of cyistim-, Vale \Tyra. The PAJ.D. is reported as being
approved by Wcmiell sHice Octoher 2006, :Inca the school site is confirmed as Dart of the
P Lt.D. 'This site is bounded to the south and west by land adjacent try Lake 1T1 ra on
`larks creel: and a strip of props}sed public part: land. to the cast by an area set aside fir a
rublic park and Poole Road. and to the northeast by the proposed sim-'ale-flunily
residential subdivisioti portion of the al,proy ed P.U.D. This site is located within the
corporate houndar' cif' the ?<ovvn cif' \Vendell and is ctlrrcntl\ coned PA U), %vitll
underpin- Wendell R-10 zoning ( residential lets minii un 10.uQ0 Sl each). Throm,,h
the approt cd PAJ.D., this site is approt ed lclr school use and does Wert require a Special
Use Permit from Wendell.
This school and shnie recreational rasscd fields are beinPjoirxtlt developed b% the Wake
County Public ')clwol S% stem (\N'C'1'SS) and W.ike Corult\ Parks. l aserltcnts,
encroachments, and joint use aorcements are. being, e\ecutcd for this project between
these ty o entities. Two sets ofexectited (?«rlershih l?eslxlnsihtlit? Forms are submitted
herein to coy=er each property ovv ncr. aloe, 1 v ith checks for appropriate review fees.
?vote:: The nc w street Right of Way for the proposed #:Ik 1-all; Drive has riot been
included in the acreaL-,e oh disturbed area for these srtes_ That acrcawe should he included
in the submission for the strecst and uiilit% 01r7 traction b\ the %Vencicll ('.Ills JTD
Developer. WCPSS vAl Install a 5` mde street sldevvalkah?nt? the s, chuol t-nontaLe
within the proposed Elk Drrti c right Cif R?I1, hilt tlml ins ;tallation is «lthrtl arca tflrc?Ikly to
he disturbed b% the subdir ision de\ eloper,
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Site Data:
School Sitc_
A rca - 17.61 acres
PIN :: 177-1.00-92-1584
' Deed: Bk xxx.:\ Pg xxxxx
Park ,,,I Le -
Area =125.76 acres
PIN 4 177300-84-1077
Deed: l3k 12590 P 1251
Town,-,hip: Marks Creek
Setbacks Buffers:
50' NIM tllono Lake N1% ra fronta,-c and alc?n?r each side of mn, NRB streams
15' vv Ide Tv pc P'Wendell landscape buffer at singlc-f milk resiaeritial perimeter
10' ride landseap,: street buffer iloti rly public right o!'\?LI?
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Environmental: This site is partially wooded with Iii attire: mixed hard\\ood and pine
trees. and t\ ith approximately a third of the site curremly being CLdtI%Jted agricultural
fields. The site is pledominantlt along a ridge, drain,, to Lake Myra to the SOuthcast, and
is located within the NeLI'Se RINer dr<aliliLc basin. Dc%elopment?ofthis Ste l?, sul,iect to
Ncilse River Riparian Buffer rccluiretnents. Late Myra is a prixatc like and is not a
drmhm,_) tv,,Iter ,,mircc. but extreme care will be tAcn to prevent any additional sc!diment
deposit:; into the lake because of the lake's immediate proximit% Io this site and its hI,_,lt_
natural resource \.iluc. .?,e>ils oil this site are predominatitlt Appliti- Sand\ Loarn and
l.ouishur, I.oa imv `sand. %? itli some isolated areas ol* Manmchic series (flood hazard sail)
next to the lake ,irad in draina4,e s,\<alcs. The Appiin,, and I ouis}?ura s011 series are
normally well draiiied and x?ell suited fOr this type deY%clopment.

' Special C'nrtcliticin: This school site dcvclopincnt is contingent on the permitting
construction of the appro\cd 'Mendell Falls P.U. ). streets and utilities. Any delays or
' extended schedules associated Nvith the RUB. street and utility permitting and
construction will directiv affect the schedules for this school .site. The school site and
Park property boundaries ]bil e already been subdivided and created (RM 2007 PG 1098-
1101).
Wake ('aunty Parkas is agree,tbl to shard recreational facilities for the school and future
' Wake County, Parr. Special care has Keen taken to preserve existim-, \?ooded areas in the
Park h} locating recreatioiml field; iu <ireas fOr the school and future p irk in existing
open f ields already cleared b% a?,riculture. A common dri\ e \\111 be shtircd with the park:
' and school .Intl is located to minimize impervious surficcs and tree clearing required to
serve the 1.uturc park.
' Calculation ltlethodoloav
Time occ,cmceritratiOtn (TO for all on-site N?atcrsh ds is less than _5 minutes for bath pre-
dcvelopimmt and post-development conditions. so Tc detailed calculations are not
l1t'L'e`?s?ir? .
t ti)ils oll this site are prcdojiiinantk Appling Sandy loam acid Louisburg Loam" Sand,
tiN itli some isolated areas of Mamachic series (flood hazard soil) Belt to the Like and it)
dtaiIla ?_? e ales. II?d1-01021C si it L'I-oLI is Mein , uscd fair these calculation,') ,"dire do
dev eloplime it occurs ne.lt to the Fake iii the. Mantae hie areas. : ei<Thtcd C values for the..
RLmoiial I'k rmtila are computed fOr each ??atcrs(ied. For proposed coaiditions. Iandscafled
' areas, tise a C` title of ().35. while pi\ ed are is use a C` value, of 0.95

' Peal; uerc performed u?, n? "I lydi- otlo Storm Sc\?ei-s 2008" by Intclisok e. The
rational f`0rmula was trtilired NwIl Intensity' values den ed 1'1^oni modified rainflall IDF
eurNcs h Dr. Rooney Nlalco lm of* NBC Mate University 1Or this geographic area. A copy
Of the tDF curtics are 1nc12tded in Oils tvj ort. This rainfall IDI- cttt-Nc; data has been
adopted by the C;it1 of Raleigh fOr tine in this area and is oal? li hd dit ci-ent from data
' dcriti ed directly from NA'S l IN dro-35 data.
lllis computer program calciilates peals flo\ls I)ascd on 'Ic; at the inlet, lltdr(_)ilow
c•omptitc?, Tc by choosing the _,rcatest cif the fodw\ in,_,:
1. The time oCconcentration of the upstream line plus the time of flow throu,_,h the.
' line from the upstream run.
". The time of concentration as above for anv ether connecting lines.
' '. The inlet time of the line under consideration,.
Routing calculations were performed using IIvdnvilm« Ilvdrt),,*rahlis 2007 ,t?ii«G,rc by
Intelisolvc:. Routing was pertO nred to contirin 1()f) N'r stOrtii sztfc pas?a?,c and to
denionstr ttc some peak- reduction obtained ?\ it.h the Bio-rctention Basins.
1'nt1, q Ero,vion Control Dc.,r,"In Varr alive
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Larry J Ra,,Io el, AAA tft'Ace1v _-fssoc°hiles lira
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FINANCIAL RESPONSIBILITY/OWNERSHIP FORM
' SEDIMENTATION POLLUTION CONTROL ACT
No person may initiate any land-disturbing activity on one or more acres as covered by the Act before this
foam and are acceptable erosion and sedimentation control plan have been completed and approved by the
Land Quality Section, N.C. Department of Environment and Natural Resources, (Please type or print and, if
the question is not applicable or the e-mail and/or fax information unavailable, place NIA in the blank.)
' Part A.
1. Project Name: E34 ELUJENTARY SCHOOL (WENDELL PALLS 1 LADE MYRA)
' 2. Location of land-disturbing activity: County: WAKE City or Township: WENDELL
Highway/Street: ELK PALLS DR Latitude: 35.7615' N Longitude. 078.4300'W
' 3. Approximate date land-disturbing activity will commence: SPRING 2008
4. Purpose of development (residential, commercial, industrial, institutional, etc.): SCHOOL
5. Total acreage disturbed or uncovered (including off-site borrow a,-l,d waste areas): 13.5 AC
6. Amount of fee enclosed: 910.00. The application fee of $65.00 per acre (rounded up to the next
acre) is assessed without a ceiling amount (Example: a 9-acre ap plicat;on fee is $585)•
7. Has an erosion and sediment control plan been filed? Yes No Enclosed _X
8. Person to contact should erosion and sediment control issues arise during land-disturbing activity.
' Name: BRIAN R. CONKLIN E-mail Address: BCQNKLINPWCPSS.NET
Telephone: [phone] Cell ## 999-291-1168 Fax ## 919-664-`15604
' 9. Landowner(s) of Record (attach accompanied page to fist additional owners):
Wendell Pails Development, LLC 919-60,4-5557
' Name Telephone Fa Number
5660 Six Forks Road{ Suite 202 L, ar,ex
Current Mailinc Address Current Street Address
' Raiei:?h NC 2760?fit
City State Zip City State Zip
' M Deed Boon No, 011817 Pa(ie No. 0 1539-01545 Provide a copy of the most current deed.
Part B.
1. Persons) or firm(s) ?vho are financially responsib'e for the land-disturbing activity (Provide a
comprehensive list of all responsible parties on an attached sheet):
Wake County Public School System
Name E-mail Address
151-51 Rock QoarLy Road (attn. B. Conklin) tsame)
Current Mailing Address Current Street Address
Raie:gti NC 27610 sarrel
City State Zip City State Zip
Telephone: [phone] Fax Number: 919-664-5604
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2. (a) If the Financially Responsible Party is not a resident of North Carolina, give name and street address
' of the designated North Carolina Agent:
Name

Current Mailing Address
E-mail Address
Current Street Address
City State Zip City State Zip
Telephone Fax Number
(b) If the Financially Respons?ble Party is a Partnership or other {person engaging in business under an
assumed name, attach a copy of the Certificate of Assumed Name. If the Financially Responsible
Party is a Corporation, give name and street address of the Registered Agent,
Name of Registered Agent -mail Address
Current Mailing Address Current Street Address
City State Zip City State Zip
Telephone Fax Number
The above information i true and correct to the best of my knowledge and belief and was provided
by me under oath (This farm must be signed by the Financially Responsible Person if an individual
or his attorney-in-fact, or if not an individual, by an officer, director, partner, or registered argent with
the authority to execute instruments for the Financially Responsible Person). I agree to provide
corrected information should there be any change in the information provided herein.
Type or print name Title or Authority kNC- 0.5
Signature Date
_.°...- ___.._______--__._----- --.___---___,__....__-__-.-._..-..__---- __........,.__°- --- - ---------- ._.,__---- ___...-..._--_---------- _
l> ! # MS a Notary Public of the County of o-ks_
State of North Carolina, hereby certify that C1 e. 4 h YiS appeared
personally before me this day and being duly sworn acknowledged that the above form was
executed by him.
' Witness my hand and notarial sea! this 0- Y s day of 2 brl
Notary
Seal
Icy commission expires ° ° ``
' 8sq t'.A K K. 6111'r
FINANCIAL RESPONS`1131LITY/OWNERSHIP FORM
SEDIMENTATION POLLUTION CONTROL ACT
No person "y initiate any land-disturbing activity on one or more acres covered by the Act before this
forth and an acceptable erasion and sedimentation control plan have been completed and approved by the
Land Quality Section, N.C. Department of Environment and Natural Resources. (Please type or print and, if
the questions is not applicable or the a-mail and/or tax information unavailable, ice N/A in the blank.)
Part A.
1 . Project Name
' 2. Location of land-disturbing activity Countt+,,,_,_ y. _ _ City or Tawrrsttip ? L.t,..
Hlg ayiStreetg? Laiitude.'ri'. OIa fJ Longitude M.*31*Zb
' 3. Approximate date land-disturbing activi#y will cortunence: -SP'91144
4. Purpose of development (residential, commercial, industrial, institutional, etc.):.44606 » K
5 Total acreage disturbed or uncovered (including off-sfte borrow and waste areas}: ?f' •
€3. Amount of fee enclosed:
$ , . The application fee of ?0 per acre (rounded
up to the next ate) is assessed without a cei ng arr?sunt (Example: a 9-acre application fee is $454),
7. Has an erosion and sediment control plan been filed? Yes No Enclosed_
' 8. Person to contact should erosion and sediment control issues arise during land-disturbing activity:
Name ?i i41 E-mail Address J . ice (U
_?k.atl Q . • +f G f
.
' Telephone 9??? ?l?tsr ,?Gr _? Carl #'?) I ? - g 6 $ Fa?t # ?'/` ' G - t+' 1=,
9. Landowner(s) of Record (attach accompanied page to list additional owners):
' Name - Telephone Fax Number
Current Mailing Address Current Street Address
f-A -1 A4 2260 J
Ccity State Zip city zip
10. Deed Book No. ` Page No. I' M Provide a copy of the most current deed.
Part B.
1. Person(s) or firm(s) who are financially responsible for the land-disturbing activity (Provide a
comprehensive list of nail responsible parties on an attached sheet):
jcrryk-E -7
Name r+ E-mail Addresi-
?.
Cunt Mailing Address Current Street Address
city C? State Zip city state
Telephone
Fax Nunsbser 1 - $ + .s5
i

2. (a) If the Financially Responsible Party is not a resident of North Carolina, give name and street address
of the designated North Carolina Agen*
' Name E-mail Address
Current Maing Address Current Street Address
Cityy state Zip City State Zip
Telephone Fax Number
(b) (f the FinanclafNr Responsible Party fs a Partnership or other person engagfng in business under an
assumed name, attach a copy of the Certlffcate of Assumed Name. If the Financially Responsib1a
Party is a Corporation, give name and stmt address of the Registered Agent:
' Name of Registered Agent E-mail dress
Current Mailing Address Current: Street Address
city State zip city State Zip
' Telephone Fax Number
The above €nfbrmatlon is true and correct to the best of my knowledge and belief and was provided
by me under oath (This form must be signed by the Financially Responsible Verson if an individual
or his attorney-in-fact, or if not an individual, by an officer, director, partner, or registered agent with
' the authority to wwcute instruments for the Financially Responsible Person). I agree to provide
corrected inf.}orrmation should there by any change in the information provided herein,
Type or rint name "title or Authority
/W l U7
Signature Late
Avj a Notary Public of the County of V Atcel
State of North Carolina, hereby certify that appeared
personally before me this day and being duly wom acknowledged that the above form was
executed by him.
Witness my haul and notarial seal, tfiis stay of 20 0 7
4*1
`' f N
' R = tiny commission expires 7?+p
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NORTH CAROLINA DEPARTMENT OF ENVIRONMENT & NATURAL RESOURCES
LAND QUALITY SECTION
EROSION and SEDIMENTATION CONTROL PLAN PRELIMINARY REVIEW CHECKLIST
The following items shall be incorporated with respect to specific site conditions, in an erasion & sediment control plan:
LOCATION INFORMATION
Project location (roads, streets, landmarks)
17 North arrow and scale

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GENERAL SITE FEATURES tPlan elements
v' Legend: North arrow, scale, etc.
Property lines
Existing contours (topographic lines)
Proposed contours
Limits of disturbed area (provide acreage total,
delineate limits, and label)
ti Planned and existing budding locations and
elevations
Planned & existing road locations & elevations
Lot and/or building numbers
Geologic features- rock outcrops, seeps,
springs, wetland and their limits, streams,
lakes, ponds, dams, etc.
-- Easements and drainage ways
vr' Profiles of streets, utilities. ditch lines, etc.
Stoop led t^psnd n= -.!bsoil locations
tie a r n t"le ,an csty i..g activity &
asliv, y tl,e at v borrow or
wa__r r T j Disturbing
re,ulated
u ;D:. e,u algid by
f .3 . ,
at' .
t rids
sr va
0 e t st rru v s to
F. Cos er^.r,'
y _?aa:.l ? :rc ; . - r
EROSION CONTROL MEASURES (on titan
+f Legend
Location of temporary measures
Location of permanent measures
Construction drawings and details for
temporary and permanent measures
Maintenance requirements of measures
Contact person responsible for ma{nrenance
SITE DRAINAGE FEATURES
Existing and planned drainage patterns (include
off -site areas that drain through protect)
Method of determination of and calculations for
Acreage of land being disturbed
Size and location of culverts and sewers
Soil information, type, s,ec?a? charaetesix?s
Soil information below cuvett storm outlets
Name and classification of receiving water
course or name of municipal operator jonly
where stormwater discharges are to occur)
STQRMWATER CALCULATIONS
Fre-construction runoff calculations for each
outlet from the site (at peak discharge points)
Design calculations for peak discharges of
n"noff (including the construction phase & the
final runoff coefficients of the site)
" Design talcs of culverts and storm sewers
:iW }discharge and velocity calculations for open
96?1cr channel and ditch flows s nt &, 3n .;!-ways;
Design talcs of cross sections and method of
stabilization of existing and planned channels
T/_ (include temporary linings)
&erlo'T Design talcs and construction details of energy
dissipators below culvert and storm sewer
outlets (diameters & apron dimensions)
Design talcs and dimension of sediment basins
Surface area and settling efficiency information
for proposed sediment traps and/or basins
VEGETATIVE STABILIZATION
Area & acreage to be vegetatively stabilizer}
Method of soil preparation
Seed type & rates temporary & permanent)
Fertilizer fiype and rates
Mulch type and rates
NOTE: Plan should include provisions for groundeover
on exposed slopes within 21 calendar days
following completion of any phase of grading,
permanent groundcover for all disturbed areas
within 15 working days or 90 calendar days
(whichever is shorter) following completion of
construction or development.
FINANCIAL RESPONSIBILITY/OWNERSHIP FORM
Completed, signed & notarized FRIO Form
Accurate application fee ($65.00 per acre
rounded ua the next acre with no ceiling amount)
Certificate of assurned name, if the owner is a
partnership
game of Registered Agent (if applicable)
Copy of the most current Deed for the site
NOTE. For the Express Permitting Option, inquire at the
local Regional Office for availability.
NARRATIVE AND CONSTRUCTION SEQUENCE
-Z Narrative describing the nature & purpose of
,r the construction activity
VI Construction sequence related to erosion and
sediment control (including installation of critical
measures prior to the initiation of the land-
disturbing activity & fenTOVal of measures after
areas they serve are permanently stabilized)
/ Bid specifications related only to erosion control

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" Wdlra n G, Russ Jr., Sc rctan
00 (Du)u? '
North Carolina Department Dr"m i,ort;ncnt and Natural Res ,u ce
s
?t -- .,? i •- C iccn H 5 ; tins, Director
Di).sicn of Water Quality
? 4.
NoN ember 1, 2007
Mr. Greg Ferguson
Mercury Development
5660 Six Forks Road, Suite 2€12
Raleigh, NC 27609
Re. Mende?1 Falls, Wake County
DNt 'Q't20061617; USACE Action ID, No, SAW-2005-20100-292
APPROVAL of401 Water Quality Certification and Authorization Certificate per the Neuse
River Buffer Protection Rules (15A NCAC 2B.0233) with Additional Conditions - REVISED
Dear Mr. Ferguson.
Attached hereto is a grapy of Certification No. 3707 issued to Mr. Greg Ferguson and Afercury
Development, dated November 1, 2007. This !otter shall also act as your approved Authorization
Certificate for impacts to the Neuse River basin protected riparian buffers per 15A NCAC 213,0233, This
Certification will replace the Certification issued to you on October 3, 2007, In addition, you should
get any other federal, state or local permits before you go ahead with yotir project including (but not
limited to) Solid Waste, Sediment and Erosion Control, Stor:nwater, Dam Safety, Non-discharge and
Water Supply Watershed regulations.
If we can be of further assistance, do not hesitate to contact us.
Sin ely,
Coleen H, Sullins, Director
Division of Water Quality
CHS/abkffj
Attachrtacnts. NCDWQ 401 WQC Surnmary of Permanent Impacts and !Mitigation Requirements
Certificate ofConipletion
cc; Becky Fox, EPA, 1307 Firefly Road, Whittier, NC 23739
U.S. Army Corps of Engineers, Raleigh Regulatory Field Office, Wilmington District, UrSACLIE
Lauren Cobb, DWQ, Raleigh Regional Office
DLR Raleigh. Regional Office
File Cope
Central Files
Todd Preuninger, Withers & Ravenel, I 1 1 klacKenan Drive, Cary, NC 27511.
Filename: 061617WencleliFa Qs(Wa ke)401_NBR-IC
nf?
Z thCart lzntt
0 1 t}versgitt?xgrtss Review Fettfllts Unit ;1?tt?trrrll, j
53 gait Service Center, W tan 5aiem, %;,h Carv,,3 27599-1550
21 Crabtree Boutevwd, Suite 250, Wirrs;na-Sateen, hicn.? Cantina 27 4
ana: 919.732:1'58 / FAX [phone] r1 in'erngt• LL2 ilh2o e",Stave s!r?co' Bands

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Mr. Greg Ferguson and Mercury Development
Page 2 of 8
November 1, 2007
NORTH CAROLINA 401 WATER QUALITY CERTIFICATION
THIS CERTIFICATION is issued in conformity with the requirements cif Section 401 Public Laws 92-500
and 95-217 of the United States and subject to the North Carolina Division of Water Qua?ity (UWQ)
Regulations in 15 NCAC 214, Section.0500 to Nlr. Greg Ferguson and ?\lcrcury DevAclopnnent, to fill or
otherwise impact 5.83 acres of 404/wetland (3.24 acres permanent impact, 2.59 acres temporary impact),
2,979 linear feet of perennial stream (2,354 linear feetperrrranent impacts and 625 linear feet temporary
impacts), 581 linear feet of intermittent stream, 0.16 acres of open water (pond), and 215,622 square feet
Zone I of the Neese River basin protected riparian buffers (permanent impacts), 42,659 square feet Zone I
of the Neese River bas in protected riparian buffers (temporary impacts) and 130,680 square feet Zone 2 of
the Neese River basin protected riparian buffers (permanent impacts), 25,700 square feet Zone 2 of the
Neese River basin protected riparian buffers (temporary impacts), to construct the proposed 'Weridell Falls
mixed use development, Wendell Fal Is Parkway and U.S. 64/264 interchange, ?vhiclz is located on the west
side 'of Martin Pond Road (SR2503), 2.600 feet north of the intersection of Martin Pond Road and Poole
Road (SR1007), in the Town of Wendell, Wake Counry, North Carolina, purl rant to an application dated
September 26, 2006 and received by the DWQ on October 13, 2006, by Public Notices issued by the U.S.
Anny Corps of Engineers on the 13'i' day of October of 2006 (received by DNVQ oa October 13, ^006) and
on the 2"° day of May of 2007 (received by the DWQ on May 3, 2007), and all additional information
received by the UWQ can October 18, 2006, January 25, 20017, February 9, 2007, June 13, 2007, August
16, 2007, September 5, 2007, and September 12, 2007. This Certification shall also act as your
approved No Practical Alternatives determination for impacts to the Neese river basin protected riparian
buffers per 15A NCAC 2B,0233(2).
Tile application and supporting documentation probides adequate assurance tl:st the proposed work will
not result in a violation of applicable Water Quality Standards and discharge guidelines. Therefore, the
State ofNo h Carolina certifies that this activity will not v=iolate the applicable portions ofSections 301,
302, 303, 306, 307 of PL 92-500 and PL 95-217 if conducted in accordance with the application, the
supporting documentation, and conditions hereinafter set forth,
This approval is only valid for the purpose and design submitted in the application material, and as
described in the Public Notice. If the project is chanced, prior to notification a new application for a new
Certification is required:. If the property is sold, the ne?v owner must be given a copy of the Certification
and approval letter and is thereby responsible for complying with all conditions of this Certification. Any
new oksrner must notify the Division and request the Certification be issu d in their name. Should wetland
or stream fill be requested in the future, additional compensatory mitigation may be required as described
in 15A NCAC -'If .0506 (h) (6) and (7). If any plan revisions from the approved site plan result in a
change in stream ?r wetland impact or an increase in ir3pervious surfaces, the DWQ shall be notified in
t?`r ring and a new application for 401 Certification may he required. For this approval to be valid,
compliance with the conditions listed below is required.
Conditions of Certification:
L Impacts Approved
The following impacts are hereby approved as long as allof the other specific and general
' conditions of this Certification (or Isolated NV tland Permit) are niet. No other impacts are
approved including incidental impacts:
H

T of Im 30 Amount Approved (Units) Plan Location or Reference
404AVetland
1 3.24 (acres) - permanent i;r act Application and Public Notice
01?t'?`etiand 2.59 acres) - temporary irn act Application and Public Notice

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Page 3 of 8
November 1, 2007
Stream - perennial 2,354 (linear feet) - perm anent Application and Pubic Notice
Stream - erennial 625 (linear feet) - temporary A licatirrrr and PetbIic 'Notice
Stream - intermittent 581 (linear feet) - permanent A olication and Public Notice
en eater - and O.16 (acres) lication and Public Notice
A
Zone 1 Buffers 215,6 ?2 (s uare feet) _ ermanectt licatiozt and Public Notice
Zone 2 Suffers 1317,680 (s uare feet} - errnancnt A lication and Public Notice
Zone I Buffers 47,6$9 (s. uare feet) turn ora A Iication and Public Notice
Zone 2 Buffers 25,7(10 (s uare feet - tem ora A lication and Public Notice
Scdirnent and Erosion Control:
2. Erosion and sediment control practices must be in full compliance with all specifications
governing the proper design, installation and operation and maintenance of such Best Management
Practices in order to protect surface waters standards:
a, The erasion and sediment control measures for the project must be designed, installed,
operated, and maintained in accordance with the most recent version of the Forth Carolina
Sediinent and Erosion Control Planning acrd Design Afanllal.
b. The design, installation, operation, and maintenance of the sediment and erosion control
measures must be such that they equal, or exceed, the requirements specified in the most
recent version of the Rwrth C-'arolbw Sediment and Erosion C Control !bfa rual. The devices
shall be maintained an all construction sites, borrow sites, and waste pile (spoil) projects,
including contractor-owned or leased borrotiv pits associated with the project.
C. Sufficient materials required for stabilization and/or repair of erosion control measures and
stormwater routing and treatment shall be on site at all times:
3. No waste, spoil, solids, or fill of any kind Shall occur in wetlands, waters, or riparian areas beyond
the footprint of the impacts depicted in the 404/401 Permit AppFcation. All construction activities,
including the design, installation, operation, and maintenance of sediment and erosion control Kest
Management Practices, shalt be performed so that no violations of state water quality standards,
statutes, or rules occur;
4. Sedinient and erosion control measures shall not be placed in wetlands or %vaters to the maximum
extent prvacticable, Ifplacement of sediment and erosion control devices in wetlands and waters is
unavoidable, they shall be removed and the natural grade restored within sib; months of the date that
the Division of l and Resources has released the project;
5. Protective Fencing - The outside buffer, wetland or water boundary and along (lye construction
corridor within these boundaries approved under this authorization shall be clearly (narked with
orange warning fencing (car similar high visibility material) for the areas that have been approved to
infringe within the. buffer, wetland or water prior to any land disturbing activities;
6. Deed Notifications
[geed notifications or similar mechanisms shall be placed on all retained jurisdictional
wetlands, waters and protective buffers in order to assure compliance for future wetland, hater
acid buffer impact. These mechanisms shall be put in place at the time of recording of the
property, or of individual lots, whichever is appropriate. ?4 sample deed notificaticn can be
downloaded from the 401 /Wetlands Unit web site at http_?"'h?o.enr.state,nc.us!ncwetland?.
The text of the sample deed notif7cat`on may be modified as appropriate to suit to this project.
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Intr. Greg Ferguson and Nforcury D,!r'e(opraent
Page 4 of 8
,weni cr 1, 2007
3. Construction Stdrmwater Permit NCG010000
Upon the approval of an Erosion and SRdinrientation Con*.rol Plan issued by the Division of
Land Resources (DLR) or a DLR delegated local erasion and sedimentation control program,
an NPDES General stornnwater permit (NCCt}10000) administered by DW"Q is automatically
issued to the project. This General Permit allow's stortnw3ter to be discharged during land
disturbing Construction activities as stipulated by conditions in the permit, I; your project is
covered by this permit [applicable to construction projects that disturb one (1) nr more acres),
full c;ampliance with permit conditions including the sedimentation control plan, self
Mol',iroring, record keeping and reporting requirements ar; required. .A copy of this permit and
montti?rtng repClrt fauns rr'iay bc: toiled at 17:17_ ft ?tT.PI;F'.StClr' 7tC', x5'21:' t>r;??.S ?;>,'2l?TiC.'1?t5'.?itll2.
S. Culvert Installation
All work in or adjacent to stream wvaters small be conducted in a dry \work area. Approved BMP
measures froth the most current version of NCDQT Construction and Maintenance activities
manual ncdot. crn doh%o tic ratiollS/Bti'1P r?;anuaf' own(oadl >til' w1 n,.al"ndf`
such as sandbags, rock berms, cofferdams and other diversion structures shall be used t0_ prevent
excawation in flowing water.
Culverts required for this project shall be installed in such a manner that the ori_ainal stream
profiles are not altered. Existing stream dimensions (including the cross section dimensions,
pattern, and longitudinal profile) must be maintained above and below locations of each culvert.
Culverts shall be designed and installed to allow for aquatic life movement as well as to prevent
head cutting of the streams. If any of the existing pipes are or become perched, the appropriate
stream grade shall be re-established or, if the pipes are installed in a perched manner, the pipes
shall be removed and re-installed correctly,
Culvert(s) shall not be instailed in such a manner that will cause aggradation or erosion of the
stream up or dawn stream of the culvert(s). Existing stream dimensions (including the cross
section dimensions, pattern and longitudinal profile) shall be maintained above and below
locations of each culvert. Therefore, you must provide plans with adequate details that indicate
that the current stability of the stream will be maintained or enhanced. You must receive written
approval frotn this Office for the above plans before the culvert(s) is installed. Culvert(s) must
be installed according to approved plans.
' Placement of cuEvcrts and other structures in waters, strear,s, and wetlands rust be placed
bclow tlhe elevation of the streambed by one foot for all culverts with a diameter greater than 48
;hopes, and 0 percent of the culvert diameter for culverts having a diam +er less than 48 inches,
to allow low flow, passage of eater and aquatic life. Design and placement of culverts and other
structures including temporary erosion control measures shall not be conducted in a manner that
may result in dis-equilibriurn of wotlands or streambeds or hanks., adjacent to or upstream and
down stream of the above structures. The applicant is required to provide evidence that the
equilibrium shall he ma.ntairtecd if requested in writing by DWQ,
The establishment of native, woody vegetation and other soft stream bank stabilization
techniques must be used where practicable instead of rip rap or ether bank hardening methods. If
rip-rap is necessary, it shall not be placed in the stream bed, unless specifically apcrow ed by th-c
Division of Water Quality.

sii. a.sa V?,. 4 i.Y ?v.xv.? utaV Grt ?lA4Yt, L?..riv Ylii4.414
' Page 5 of 8
November 1, 2€707
Installation of culverts in wetlands must ensure continuity of water movement and be designed
to adequately accommodate high «ater or flood conditions.
Upon completion of the project, the ;Applicant shall complete and return the enclosed
"Certificate of Completion" form to notify NCD"'Q Nvhtn all work included in the §401
Certification has been completed, The responsible party shall complete the attached form and
return it to the 401/Wetlands Unit of the NC Division of Water Quality upon completion of the
project. Meese send photographs upstream and cfo?tnstreani of each ctttvert site to iucunient
correct instcWalion along with the Certificate of Conp!'_1!ionJbr,?i.
9. During the construction of the project, no staging of equipment of any kind is permitted in waters
of the U.S., or protected riparian buffers.
10. The dimension, pattern and profile of the strearn above and below the crossinu shall not be
' modified.. Disturbed floodplains and streams shall be restored to natural geomorphic conditions.
I 1. The .use of rip-rap above the Normal High Water Mark shall be minimized. Any rip-rap placed for
stream stabilization shall be placed in stream channels in such a manner that it does not impede
aquatic life passage.
' 12. The Perm ittee shall ensure. that the final design drawings adhere to the permit and to the permit
drawings submitted, for approval,
13. All mechanized equipment operated near surface waters ;rust be regularly inspected and
maintained to prevent contamination of strearn waters free fuels, lubricants, hydraulic fluids, or
other toxic r::ateriats.
' 14. No rock, sand or either materials shall be dredged from the stream channel except where authorized
by this certification.
' 15. Discharging hydrosecd mixtures and washing out hydresceders and other equipment in or adjacent
to surface; waters is prohibited,
' 16. The permittee and its authorized agents shall conduct its activities in a mangier consistent with
State water duality standards (including any requirements resulting from compliance with §303(d)
of the Clean Water Act) and any other appropriate requirements of State and Federal law. If DWQ
determines that such standards or laws are not b ing met (including the failure to sustain a
designated or achieved use) or that State or federal law is being violated, or that fu r* 1i --r, conditions
are necessary to assure compliance, DV4Q may reevaluate and modify this certifl atiQn.
17 ll fill
l
. A
s
opes located in jurisdictional wetlands shall be placed at slopes no flatter than 3.1, unless
otherwise authorized by this certification.

18, A copy of this eater Quality Certifrcatioa shall be maintained can site at the construction site at all
times. In addition, the Wafer Quality Certification and all Subsequent modifzations, if any, shall
be rniintainod Nvith the Division Engineer and the on-site project manager.
19. The iasltance of this certification does net exempt the Permittee from ?amplying with any and all

i statutes, rules, regulations, or ordinances that may be unposed by other government agenc*-s (i.e.
local
state
and federal) having jurisdiction
includin
but not limited to a
licabl
bt
fe
l
,
,
g
,
pp
e
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es,
stormwater management rules, soil Gros on and sedimentation control requirements, etc.

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Mr, Greg Ferguson and Mercury Development
Page 6 of 8
November I, 2007
20. The Perrnittee shall report any violations of this certification to the Division of Water Quality
within 24 h ;urs of discovery.
2l. There shall be no excavation front, or waste disposal into, jurisdictional wctl nds or eaters
associated with this permit without appropriate modification. Should waste or borrow sites, or
access roads to taste or borrow sites, be located in wetlands or streams, compensatory mitigation
will be required since that is a direct impact from road construction activities,
22. Temporary %Vctiand Impacts
Due to the possibility that compaction and/or other site alterations might prevent the temporary
wetland impact area from re-attaining jurisdictional tetland status, the pennittee shall provide
an annual update on the temporarily irnpaeted"wetland areas within the project area. This annual
update will consist of photographs and a bricfreport on the progress of these temporarily
impacted areas in re-attaining wetland jurisdictional status. Threc years after project
completion, the per,nittee shall schedule an agency field meeting with the NC Division of Water
Quality to determine if the .vetland areas temporarily impacted by this project have- re-attained
jurisdictional wetland status. If at the end of three years the wetland areas temporarily imparted
by this project have not re-attained jurisdictional wetland status, NC DWQ shalt determine if
compensatory wetland mitigation will be required:
Continuiniz Compliance.
23. Mr. Greg Ferguson and Mercury Development shall: conduct construction activities in a
manner consistent with State water quality standards (including any requirerncnts resulting
From compliance with section 303(d) ofthe Clean Water Act) and any ether appropriate
requirements of State law and federal law. If the Division determines that such standards or
laws are not being rnet (including the failure to sustain a deli,-mated or achieved use) or that
State or federal law is being violated, or that further conditions are necessary to assure
compliance, the Division may reevaluate and modify this Certification to include conditions
appropriate to assure compliance with such standards and requirements in accordance with
15A NCAC 21-1.0507(d). Before modifying the Certification, the division shall notify Mr,
Creg hertusen and Mercury Development, and the US Army Carps of Engineers, provide
pu bfic notice in accordance with I?A NCAC 21-1,0503 and provide opportunity for public
hearing in accordance with 15A NCAC 214.0504. Any new or revised conditions shall be
prov ided to Nfr, Greg Ferguson and IvIercury Development Ptt writing, shall be provided to the
United States Army Carps of Engineers for reference in any P4rmit issued pursuant to Section
401 of the Clean Water Act; and shall also become conditions of tiro 404 hermit for the
pmjeLt;
Mitigation:
24. Compensatory Mitigation Using l x sting NrCDC)T Mitigation and the 1-cosystern Enhancement
Program (EEP)
Mitigation mast be provided for the proposed impacts as specified in the table below. We
understand that NCDOT will be transferring 1.09 acres of 401;'wed-,ind mitigation credit,
24,7>7 square feet of Zone 1 buffer mitigation credit and 22,928 square feet of Zone 2 buffer
mitigation credit.. ?Ve further understand that you wish to make payment to the %Vetlaads
Restoration Fund administered by the NC Ecosystem Enhancement Program { EEP) to meet
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Page 7 of 8
' Nrove ber 1, 2007
the balance of this mitigation requirement. This has been determined by'the DWQ to be a
suitable method to meet the mitigation requirement. Until the EEP receives and clears your
check (made payable to., DENR - Ecosystem Enhancement Program Office), no impacts
specifiers in this Authorization Certif-icate'shall occur. The EEP should be contacted at (919)
733-5203 if you have any questions concerning payment into a restoration fund. You have 60
calendar ings from the date of this approval to n3ake this payment. For accounting
purposes, this Authorization Certificate authorizes payment into the Wetlands
' Restoration Fund to meet the fallowing compensatory mitigation requirement:

Type of Impact Coro ensatorv Mitigation Required Rives and Sub-bnsin Number
4)4AVetland 2.15 (acres) after NCDOT traar fer if T,09 acres N use;'03020201
S,rc,am - aercnnial 2,354 (linear feet) NcLse!03020201
13ulTers -Zone 1 ,08,287 ;(square feet) after 74,271 square r?et from
NCDOT rnititzation transfcr Neuse 03020201
Butlers - Zone 2 96,744 [(square f et) afl r 22,928 square feet from
NCDOT mitiantion transfer N'euse 03020201
25. Written Stormwtiter Management Plan (SNIP). Final Approval and Final Plans Needed For Each
' Future Phase
For Phases SF-l, SF-2 and SF-3,- the. Division of Water Quality has approved the SMP
submitted as a part of the application package. The approved SMfl must be constructed and
operational before any permanent building or other structure is occupied at the site. The
approved SMP as well as drainage patterns must be maintained in perpetuity. If the SMP is
modified in the future, then the modified,SMP must be approved by the 401 Oversight/
Express Unit prior to the commencement of the modifications,
for all future Phases: A final, written stormwater management plan (including a signed and
notarized Operation and Maintenance Agreement) shall be submitted to the 401 Oversight and
Express Permitting Unit (2321 Crabtree Blvd., Suite 250, Raleigh, NC, 276011) within 30 alq),s
of approval of the phased construction drawings. The stormwater management plans shall be
approved in writing by this Office before the impacts specified in this Certification. You have
the option of using the Express Review Program for expedited approval of those plans. if you
' propose to use the Express Reviev}, Program, remember to include the appropriate fee with the
plan.
The stormwater management plan must include plans, specifications, and worksheets for
stonn%vater management facilities that are appropriate for the surface Nvater classification C-
NSW and designed to [mauve at least 85°t?, TSS according to the most recent published v=ersion
of the NC DENR Stormwater Hest Management Practices ?Manual. These facilities must be
designed to treat the runoff from the entire project. Also, before any permanent building is
occupied at the subjectsite, the facilities (as approved by this Office) shall be constructed and
operational, and the stormwater rnanagernent plan (as approved by t his Oftice) shall be
' implcmented.
Should the Town of Wendell become an approved Please 11 Stormvvatcr community, this
condition and review of the future pnases storin pater ;management plans vvill be re-evaluated.

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Mr. Greg Ferguson and Mercury D,,v,iapment
Page 8 of 8
November 1, 2047
' 26. Diffuse Flow (DWQ Reviewed Plans)
All stormwater shall be directed as diffuse flow at non-erosive velocities through the protected
stream buffers and will not re-concentrate before discharging into the stream as identified
within 15A NCAC Zvi .0233(5
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In an effort to comply with the diffuse flow provision of the Buffer Rule (15A NCAC 02B
.0233(5)), you have provided the DW`Q with level spreader designs in your application dated
dated September 26, 2006, The MVQ believes that if implemented, as per these plans, diffuse
flow will be achieved. How°ever, if diffuse flew as per 15A NCAC 02M .0233(5) has not been
achieved, then the DWQ shall be notified and corrective actions to restore diffuse flow shall be
taken if necessary to impede the formation of erosion gullies. At no tune shall stortnwater
from the proposed development be piped directly through the buffer without prior written
authorization by DWQ.
s'
The structural stormwiter practices as approved by this Office, as well as drainage pa(terns,
must be maintained in perpetuity. No changes to the structural stormwater practices shalt be
made without written authorization from the Division of Water Quality. Stormwater
casements shall be recorded for a distance ofat least 10 feet on each side of all stormwater
conveyances, and'on all lots containing these structures including future access for
maintenance. The stormwater easements shall allow for the ability to maintain the structures,
perform corrective actions as described above and shall provide protection of the structures
from potential alternations by future property owners,
27. Certificate of Completion
Capon completion of all work approved within the 401 Water Quality Certification or
applicable Buffer Rules, and any subsequent modifications, the applicant is required to return
the attached certificate of completion to the 40i ov°ersight/Express Review Permitting Unit,
North Carolina Division of Water Quality, 1650 Mail Service Center, Winston-Salem, NC,
27699-1650.
Also, this approval to proceed with your proposed impacts or to conduct impacts to waters as
depicted in ),our application shall expire upon expiration of the 404 or CAN'T A Permit.
If this Certification is tutacceptable to you, you have the right to in adjudicatory hearing upwn written
req .lest within silty (60) days following receipt of this Certification, This request must be in the form of a
written petition conforming to Chapter I*?OH of the North Carolina General Statutes and Aced vvitlt the
Office of Admiri.5trative Hearings, 6714 Mall Service Center. Raleigh.'iKC. 27699-6714. If modifications
are made to an original Certification, you have the right to an adjudicatory hearing on the modifications
upon written request within sixty (60) days following receipt of the Certification. Unless such demands
are made, this Certification shall be f-tnal and binding.
' This the. I' day of Ndember '007
2 = ` of „Ar`ER QUALITY
' Coleen H. Sullins. Director
ivision of Water (duality
3707
CHS/cbL';"; tr

l0ietiael R Ears}. Gvvzrnor
- 14'illiatt, G R, SS.tr., Seer,tary
North Carolina ILptariment of f i.e:ronmeari and Natura; R:scurces
Coteen H. Sullins, Director
Division of Water Quality
i
?'forth Caroiina D;\ is ion of Water QL;aIity
401 ' Vater Quality Certification
Summary of Permitted Impacts and Mitigation Requirements
to accordanrr with VA NCAC 21-1.0500, to ttr. Greg Ferguson and Mercury 110'ekOptnernt, t;ave permission to 5ll or ,th:r ? ise
impact 5,83 acres of404Aw t.aand 0.24 acres perrnanent impact, 2.59 acres temporary intpaet), 2,979 linear feet orpe%,nnial
stream (2,354 linear feet permanent impacts and 625 linear feet temporary, impacts), 581 linear feet of intermittent stream, 0.16
acres ofopen hater {pond), and 215,622 squrere feet Zane I of the Neuse Riser Fasin protected riparian buffers (permanent
impacts), 42,689 square tect Zone I ofthe Neuse River basin protected riparian buffers (empt>ran' impacts) and 130,6`,) square
feet Zone 2 of the Neusc River basin protected riparian buffers (permanent impacts), 25 00 square feet Zone 2 of the Neusc
River basin protected riparian buffers (temporary impacts), to consu act the proposed Falls mixed use developrnent,
Wendell Calls Park-way and US Highway 641264 interchange, which is ideated on the west sine of Martin Pond Road (SR2503),
2,60U feet north of the intersection of Martin Pond Road and Poole Road (SRItlt17), in the Toum of Wendell, %Vake County,
North Carolina. All activities associated with these authorized impacts must be conducted with the conditions listed in the
attached Permit transmiltal Icner. THIS CERTIF]CA`CION IS NOT VATAD WITIIOUTTIiEATTACh1MENPS,
COMPENSATORY Iv1ITIGATION REQUIREMENTS, FCOSYS"I EM FNTI fANCE,MENT PROGRAM
DWQ PROJECT#; 20061617
LOCATION: Wendotl
COUNTY Wake
BASIN/ SUB BASIN Ncuse/03020'201
As rcquireJ by I5A NCAC 2H 0500, and the conditions of this Certification, you are required to compensate for the; above
mitigabie impacts through the restoration, creation, enhancement orpreservation ofwvetlands, surface waters and riparian
buffers as outlined below prior to conducting any active hies iliat impact or degrade the waters of the state.
Note: Acreage requirements proposed to be mitigated through t}te Ecosystem Enhancement Program must be rounded to
one 4uarter acre increments and linear foot requirements must be roe,nded up to the nearest foot according to 15
2R.0-503(b).
Im cts Mill anon
3.24 Acres of 44dr`?4°'etland 2,15 Acres ©f404r`lalea <nd (1,09 acres from previous
i:CD()T Adiustion?}
,354 Linear Feet Of Perennia
2 l Stream
2,354 Linear Feet Of Perennial stream
172,519 Square Feet of Zone I Buffers .. 308,287 ((Square Feet) after 74,271 square feet f*urn
NCl?OTmiti ?atioa aarsfcr?"
79,781 Square Feet of Zone 2 Buffers 96,744 ((square feet) aft r 22,928 square feet from
NCDOT rniti ation iranslcr
t f 11 :.u? !v'` Vv t Yl tit?ti lJUII
One oI the options you have atatiaqble to sntisfy the cornpensaton mitigation requirerrrent is through the payment ofa fee L+ the
1Vc,,;ands Rcstc ration Fund per'NC AC :.R 050, Ifyou choose this op1don, pleas. ,tgn this form and mail the form along with a
copy of your 401 Certification or Huffer Appr vat to the Eccks\ stem Enhrincemcnt Program at the address below. Aa ,nv ice
for tae apx priate amquni o,fncvrircrtt ??ill ± c sent to you upon receipt of this f,-rm. PLEASE NOTE, HF ABOVL IMPACTS
ARE NOT A(J11-IORIZE1) UNTIL YOU RECF IVE NO'TIfICATION THAT YOUR PAYMENT HAS BEEN PROCESSED
131' 7 r.F FCOSYTEt41 ENHANCNlEN`FPR0GR.AM.
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Signature
Cate
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ECOSYSTEM ENHANCEMENT PROGRAM
1652 Mail Service Center
RALEIGH, N.C. 27694-1652
[phone]
?il.r?rne; t%v?ltii ',?'cr:dc "ones{i4'akcj-t;i1 N$R Ii:. F;-;P ficc?isr;t
'? -1,1tCarolinn
tell the sighvE?,aress Rei iett 1'crmitting Unit ,,K1Nri711j;
1650 kiza 5ert•icc Center, Raieigh, Nosh Caratiaa 27699-1650
2321 Crabtree Hot i'cvard, Suite 250, Ralcigh, North Caro!irta 27604
Phanc "?1l9) 7a?-178ti + Fns i9l u} ?33-68+3
lmterr,c ht i? ,?:?:vtivrv r;clrctrryuali[}• qrg

DWQ Proiect No.:
t Applicant:
,County:
Project Name:
' Date of Issuance of Certification or Authorization.

1.1

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Certificate of Completion
Upon completion of all work approved within the 401 Water Quality Certification and Buffer Rules, and any
subsequent modifications, the applicant is required to return this certificate to the 401 Oversight/Express Permitting Unit,
North Carolina Division of 1A'ater Quality, 1650 Mail Service Center, Raleigh, NC, 27644-1650. This foam may be
returned to DQ by the applicant, the applicant's authorized agent, or the project engineer. It is not necessary to send
certificates from all of these.
Applicant Is Certification
f, , hereby state that.. to the best of my abilities, due care and diligence was
used in the observation of the construction such that the construction was observed to be built within substantial
compliance and intent of the 401 Water Quality Certification and Buffer Rules, the approved plans and specifications,
and other supporting materials.
Signature: Date;
Agent's Certification
1, , hereby state that, to the best of my abilities, due care and diligence was
used in the observation of the construction such that the construction was observed to be built within substantial
compliance and intent of the 401 'eater Qualify Certification and Buffer Rules, the approved plans and specifications,
and other supporting materials.
Sipat-ure: Date:
If this project was designed by a Certift-ed Pro essional .
f, as a duly registered Professional (i.e., Engineer,
Landscape Architect, Surveyor, etc.) in the State of North Carolina„ laving been authorized to observe (periodically,
weekly, full time) the construction ofthe project, for the Perrnittee hereby state that, to the best of my abilities, due care
and diligence was used in the observation of the construction such that the construction was observed to be built within
substantial compliance and intent of the 401 Wafer Quality Certification and Buffer Rules, the approved plans and
specifications, and other supporting materials.
Signature: Registraiion'ti?o.

Cerfirication of Completion
Date

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Hydrology Report

Hydraflow Express by Intelisolve
Roof Water Outlet F
Hydrograph type = Rational
' Storm frequency (yrs) = 25
Drainage area (ac) = 0.220
Rainfall Inten (in/hr) = 8.187
' OF Curve = MalcolmRal2.IDF

Runoff Hydrograph

Q cfs
() 25-yr frequenc
y
n nn
Monday, Oct 29 2007, 4:0 PM
Peak discharge (cfs) = 1.711
Time interval (min) = 1
Runoff coeff. (C) = 0.95 .
Tc by User (min) = 5
Rec limb factor = 2.00
Hydrograph Volume = 770 (cuft); 0.018 (acft)
Q (cfs)
2.00
/I \ I j
' 0 5
Runoff Hyd - Qp = 1.71 (cfs)
1.00
? 0.00
15
Time (min)
10
I Hydraflow Table of Contents

C!

C
u
1
r
0
I I
F11

W EF34_Basin_A.gpw
Hydraflow Hydrographs by Intelisolve v9.02
Friday, Nov 16, 2007
Watershed Model Schematic ............................................................................ 1
Hydrograph Return Period Recap .................................................................... 2
2 - Year
Summary Report ................................................................................................................ 3
Hydrograph Reports .......................................................................................................... 4
Hydrograph No. 1, Rational, Pipe System C ................................................................... 4
Hydrograph No. 2, Rational, Pipe System D ................................................................... 5
Hydrograph No. 3, Rational, Roof System F ................................................................... 6
Hydrograph No. 4, Rational, Area over Basin A .............................................................. 7
Hydrograph No. 5, Combine, 1+2 ................................................................................... 8
Hydrograph No. 6, Combine, 3+4 ................................................................................... 9
Hydrograph No. 7, Combine, Total In Basin A .............................................................. 10
Hydrograph No. 8, Reservoir, Basin A Outflow ............................................................. 11
Pond Report - Bio-retention A ................................................................................... 12
10 - Year
Summary Report .............................................................................................................. 13
Hydrograph Reports ........................................................................................................ 14
Hydrograph No. 1, Rational, Pipe System C ....................................
............................. 14
Hydrograph No. 2, Rational, Pipe System D ................................................................. 15
Hydrograph No. 3, Rational, Roof System F ................................................................. 16
Hydrograph No. 4, Rational, Area over Basin A ............................................................ 17
Hydrograph No. 5, Combine, 1+2 ................................................................................. 18
Hydrograph No. 6, Combine, 3+4 ................................................................................. 19
Hydrograph No. 7, Combine, Total In Basin A ...........................................
................... 20
Hydrograph No. 8, Reservoir, Basin A Outflow ............................................................. 21
Pond Report - Bio-retention A ................................................................................... 22
25 - Year
Summary Report .............................................................................................................. 23
Hydrograph Reports ........................................................................................................ 24
Hydrograph No. 1, Rational, Pipe System C ................................................................. 24
Hydrograph No. 2, Rational, Pipe System D ................................................................. 25
Hydrograph No. 3, Rational, Roof System F ................................................................. 26
Hydrograph No. 4, Rational, Area over Basin A ............................................................ 27
Hydrograph No. 5, Combine, 1+2 ................................................................................. 28
Hydrograph No. 6, Combine, 3+4 ................................................................................. 29
Hydrograph No. 7, Combine, Total In Basin A .............................................................. 30
Hydrograph No. 8, Reservoir, Basin A Outflow ............................................................. 31
Pond Report - Bio-retention A ................................................................................... 32
100 - Year
Summary Report .............................................................................................................. 33
Hydrograph Reports ........................................................................................................ 34

Contents continued...
H

W EF34_Basin_kgpw
Hydrograph No. 1, Rational, Pipe System C ................................................................. 34
Hydrograph No. 2, Rational, Pipe System D ................................................................. 35
Hydrograph No. 3, Rational, Roof System F ................................................................. 36
Hydrograph No. 4, Rational, Area over Basin A ............................................................ 37
Hydrograph No. 5, Combine, 1+2 ................................................................................. 38
Hydrograph No. 6, Combine, 3+4 ................................................................................. 39
Hydrograph No. 7, Combine, Total In Basin A .............................................................. 40
Hydrograph No. 8, Reservoir, Basin A Outflow ............................................................. 41
Pond Report - Bio-retention A ................................................................................... 42
IDF Report ........................................................................................................ 43

P

1

1
rj

1
F

n

1
Watershed Model Schematic
Hydraflow Hydrographs by Intelisolve v9.02
7 - Flee system C 2 - Pipe system 0
5-1.2
Legend
Hyd. Origin Description
1 Rational Pipe System C
2 Rational Pipe System D
3 Rational Roof System F
4 Rational Area over Basin A
5 Combine 1+2
6 Combine 3+4
7 Combine Total In Basin A
8 Reservoir Basin A Outflow
Project: WEF34_Basin_A.gpw
3 - oof System F
4b
{I'--Area o Bern A
(7b
Friday, Nov 16, 2007
7 -Tda h Bash A
B - Bess A Oitfl-

Cl

n

l
7

1
1
1

2
Hydrograph Return Period Recap HydraflowHydrographsbylntelisolvev9.02
Hyd. Hydrograph Inflow Peak Outflow (cfs) Hydrograph

No. type Hyd(s) description
(origin) 1-Yr 2-Yr 3-Yr 5-Yr 10-Yr 25-Yr 50-Yr 100-Yr
1 Rational ------- ------- 5.440 ------- ------- 7.153 7.945 ------- 9.492 Pipe System C
2 Rational ------- ------- 10.15 ------- ------- 13.39 14.93 ------- 17.88 Pipe System D
3 Rational ------- ------- 1.203 ------- ------- 1.566 1.711 ------- 2.030 Roof System F
4 Rational ------- ------- 3.226 ------- ------- 4.201 4.589 ------- 5.444 Area over Basin A
5 Combine 1, 2, ------- 15.25 ------- ------- 20.09 22.38 ------- 26.77 1+2
6 Combine 3, 4, ------- 4.429 ------- ------- 5.767 6.300 ------- 7.474 3+4
7 Combine 5,6 ------- 17.91 ------- ------- 23.55 26.16 ------- 31.26 Total In Basin A
8 Reservoir 7 ------- 0.829 ------- ------- 4.599 6.437 ------- 10.20 Basin A Outflow
Proj. file: WEF34_Basin_A.gpw Friday, Nov 16, 2007

iL

3
Hydrograph Summary Report HydraflowHydrographsbylntelisolvev9.02
Hyd.
No. Hydrograph
type
(origin) Peak
flow
(cfs) Time
interval
(min) Time to
peak
(min) Hyd.
volume
(cuft) Inflow
hyd(s) Maximum
elevation
(ft) Total
strge used
(cuft) Hydrograph
description
1 Rational 5.440 1 8 3,916 ---- ------ ------ Pipe System C
2 Rational 10.15 1 9 8,220 ---- ------ ------ Pipe System D
3 Rational 1.203 1 5 541 ---- ------ ------ Roof System F
4 Rational 3.226 1 5 1,452 ---- ------ ------ Area over Basin A
5 Combine 15.25 1 9 12,137 1, 2, ------ ------ 1+2
6 Combine 4.429 1 5 1,993 3, 4, ------ ------ 3+4
7 Combine 17.91 1 9 14,130 5,6 ------ ------ Total In Basin A
8 Reservoir 0.829 1 25 791 7 228.07 13,554 Basin A Outflow
WEF34_Basin_A.gpw Return Period: 2 Year Friday, Nov 16, 2007
i Hydrograph Report
Hydraflow Hydrographs by Intelisolve v9.02
Hyd. No. 1
' Pipe System C
Hydrograph type = Rational
Storm frequency = 2 yrs
Time interval = 1 min
Drainage area = 1.500 ac
Intensity = 5.037 in/hr
OF Curve = MalcolmRal2.IDF
Friday, Nov 16, 2007
Peak discharge = 5.440 cfs
Time to peak = 8 min
Hyd. volume = 3,916 cuft
Runoff coeff. = 0.72
Tc by User = 8.00 min
Asc/Rec limb fact = 1/2
' Pipe System C
Q (cfs) Hyd. No. 1 -- 2 Year
' 6.00
5.00
4.00
' 3.00
' 2.00
' 1.00
0 00
?I?I?II,?IiII
4
Q (cfs)
6.00
5.00
4.00
3.00
2.00
1.00
' 0 2 4 6 8
- Hyd No. 1
10 12 14
' r 0.00
16 18 20 22 24
Time (min)
Hydrograph Report
Hydraflow Hydrographs by Intelisolve v9.02
Hyd. No. 2
' Pipe System D
Hydrograph type = Rational
' Storm frequency = 2 yrs
Time interval = 1 min
Drainage area = 2.590 ac
' Intensity = 4.838 in/hr
OF Curve = MalcolmRal2.IDF
' Q (cfs)
' 12.00
' 10.00
8.00
' 6.00
4.00
2.00
0.00
Peak discharge = 10.15 cfs
Time to peak = 9 min
Hyd. volume = 8,220 cuft
Runoff coeff. = 0.81
Tc by User = 9.00 min
Asc/Rec limb fact = 1/2
Pipe System D
Hyd. No. 2 -- 2 Year
5
Q (cfs)
12.00
10.00
8.00
6.00
4.00
2.00
' 0 2 4
- Hyd No. 2
t
Friday, Nov 16, 2007
6 8 10 12 14
' 0.00
16 18 20 22 24 26 28
Time (min)
6
Hydrograph Report

Hydraflow Hydrographs by Intelisolve v9.02 Friday, Nov 16, 2007
Hyd. No. 3
' Roof System F
Hydrograph type = Rational Peak discharge = 1.203 cfs
' Storm frequency = 2 yrs Time to peak = 5 min
Time interval = 1 min Hyd. volume = 541 cuft
Drainage area = 0.220 ac Runoff coeff. = 0.95
Intensity = 5.755 in/hr Tc by User = 5.00 min
OF Curve = MalcolmRal2.IDF Asc/Rec limb fact = 1/2

t
Roof System F
Q (cfs) Hyd. No. 3 -- 2 Year Q (cfs)
' 2.00
1.00
0 00
2.00
1.00
0.00
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Hyd No. 3 Time (min)

Hydrograph Report

' Hydraflow Hydrographs by Intelisolve v9.02 Friday, Nov 16, 2007
Hyd. No. 4
Area over Basin A
Hydrograph type
Storm frequency = Rational
= 2 yrs Peak discharge
Time to peak = 3.226 cfs
= 5 min
Time interval = 1 min Hyd. volume = 1,452 cuft

' Drainage area =
Intensity = 0.590 ac
5.755 in/hr Runoff coeff.
Tc by User = 0.95
= 5.00 min
OF Curve = MalcolmRal2.IDF Asc/Rec limb fact = 1/2

' Area over Basin A
Q (cfs) Hyd. No. 4 -- 2 Year Q (cfs)

4.00
' 3.00
2.00
' 1.00
0.00
4.00
3.00
2.00
1.00
' 0.00
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
- Hyd No. 4 Time (min)
8
Hydrograph Report

' Hydraflow Hydrographs by Intelisolve v9.02 Friday, Nov 16, 2007
Hyd. No. 5
1+2
Hydrograph type = Combine Peak discharge = 15.25 cfs
' Storm frequency = 2 yrs Time to peak = 9 min
Time interval = 1 min Hyd. volume = 12,137 cuft

1 Inflow hyds. = 1, 2 Contrib. drain. area 4.090 ac

' 1+2
Q (cfs) Hyd. No. 5 -- 2 Year Q (cfs)
' 18.00
15.00
12.00
9.00
' 6.00
1
3.00
0.00
18.00
15.00
12.00
9.00
6.00
3.00
0.00
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28
- Hyd No. 5 ---- Hyd No. 1 Hyd No. 2 Time (min)

9
Hydrograph Report

' Hydraflow Hydrographs by Intelisolve v9.02 Friday, Nov 16, 2007
Hyd. No. 6
' 3+4
Hydrograph type = Combine Peak discharge = 4.429 cfs
Storm frequency = 2 yrs Time to peak = 5 min
Time interval = 1 min Hyd. volume = 1,993 cuft
Inflow hyds. = 3, 4 Contrib. drain. area 0.810 ac

' 3+4
Q (cfs) Hyd. No. 6 -- 2 Year Q (cfs)
5.00
4.00
3.00
1
2.00
' 1.00
0 00
5.00
4.00
3.00
2.00
1.00
' 0.00
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Time (min)
------ Hyd No. 6 - Hyd No. 3 - Hyd No. 4

Hydrograph Report

' Hydraflow Hydrographs by Intelisolve v9.02
Hyd. No. 7
' Total In Basin A

' Hydrograph type =
Storm frequency = Combine
2 yrs
Time interval = 1 min
Inflow hyds. = 5, 6

'
Q (cfs)
' 18.00
' 15.00
12.00
' 9.00
' 6.00
3.00
0.00
Total In Basin A
Hyd. No. 7 -- 2 Year
10
Friday, Nov 16, 2007
Peak discharge = 17.91 cfs
Time to peak = 9 min
Hyd. volume = 14,130 cuft
Contrib. drain. area 0.000 ac
Q (cfs)
18.00
15.00
12.00
9.00
6.00
3.00

' 0.00
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28
Time (min)
Hyd No. 7 Hyd No. 5 - Hyd No. 6
I Hydrograph Report
' Hydraflow Hydrographs by Intelisolve v9.02
Hyd. No. 8
Basin A Outflow
Hydrograph type = Reservoir
' Storm frequency = 2 yrs
Time interval = 1 min
Inflow hyd. No. = 7 - Total In Basin A
Reservoir name = Bio-retention A

' Storage Indication method used. Exfiltration extracted from Outflow.
' Q (cfs
' 18.00
' 15.00
12.00
1
' 9.00
' 6.00
3.00
Q (cfs)
18.00
15.00
12.00
9.00
6.00
3.00
0.00
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54
--^?- Hyd No. 8 -- Hyd No. 7 !I71ILIL111 Total storage used= 13,554 cult Time (min)
1
11
Friday, Nov 16, 2007
Peak discharge = 0.829 cfs
Time to peak = 25 min
Hyd. volume = 791 cuft
Max. Elevation = 228.07 ft
Max. Storage = 13,554 cuft
Pond Report 12
Hydraflow Hydrographs by Intelisolve v9.02 Friday, Nov 16, 2007
Pond No. 1 - Bio-retention A
Pond Data
' Contours - User-defined contour areas. Average en d area method used for volume ca lculation. Begining Elevation = 227.00 ft
Stage / Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (cuft) Total storage (cuft)
0.00 227.00 11,378 0 0
1.00 228.00 13,658 12,518 12,518
2.00 229.00 16,333 14,996 27,514
3.00 230.00 18,332 17,333 44,846
Culvert / Orifice Structures Weir Structures
[A] [B] [C] [PrfRsr] [A] [B] [C] [D]
Rise (in) = 18.00 0.00 0.00 0.00 Crest Len (ft) = 14.60 0.00 0.00 0.00
Span (in) = 18.00 0.00 0.00 0.00 Crest El. (ft) = 228.00 0.00 0.00 0.00
' No. Barrels = 1 0 0 0 Weir Coeff. = 2.60 3.33 3.33 3.33
Invert El. (ft) = 222.50 0.00 0.00 0.00 Weir Type = Riser
Length (ft) = 50.00 0.00 0.00 0.00 Multi-Stage = Yes No No No
Slope (%) = 1.00 0.00 0.00 n/a
N-Value = .013 .013 .013 n/a
Orifice Coeff. = 0.60 0.60 0.60 0.60 Exfil.(in/hr) = 1.000 (by Contour)
Multi-Stage = n/a No No No TW Elev. (ft) = 0.00

Note: Culvert/Orifice outflows are analyzed under inlet and outlet control. Weir risers are checked for orifice conditions.
'
Stage (ft) Stage / Discharge
Elev (ft)
3.00
2.00
1.00
0 00
230.00
229.00
228.00
227.00
0.00 2.00 4.00 6.00 8.00 10.00 12.00 14.00 16.00 18.00 20.00 22.00 24.00
Total 0 Discharge (cfs)

1

13
Hydrograph Summary Report
Hydraflow Hydrographs by Intelisolve v9.02
Hyd.
No. Hydrograph
type
(origin) Peak
flow
(cfs) Time
interval
(min) Time to
peak
(min) Hyd.
volume
(cuft) Inflow
hyd(s) Maximum
elevation
(ft) Total
strge used
(cuft) Hydrograph
description
1 Rational 7.153 1 8 5,150 ---- ------ ------ Pipe System C
2 Rational 13.39 1 9 10,842 ---- ------ ------ Pipe System D
3 Rational 1.566 1 5 705 ---- ------ ------ Roof System F
4 Rational 4.201 1 5 1,890 ---- ------ ------ Area over Basin A
5 Combine 20.09 1 9 15,993 1, 2, ------ ------ 1+2
6 Combine 5.767 1 5 2,595 3, 4, ------ ------ 3+4
7 Combine 23.55 1 9 18,588 5,6 ------ ------ Total In Basin A
8 Reservoir 4.599 1 22 4,883 7 228.24 16,152 Basin A Outflow
WEF34_Basin_A.gpw Return Period: 10 Year Friday, Nov 16, 2007
Hydrograph Report
Hydraflow Hydrographs by Intelisolve v9.02
Hyd. No. 1
Pipe System C
Hydrograph type = Rational
Storm frequency = 10 yrs
Time interval = 1 min
Drainage area
Intensity = 1.500 ac
= 6.624 in/hr
OF Curve = MalcolmRal2.IDF
Friday, Nov 16, 2007
Peak discharge = 7.153 cfs
Time to peak = 8 min
Hyd. volume = 5,150 cuft
Runoff coeff. = 0.72
Tc by User = 8.00 min
Asc/Rec limb fact = 1 /2
1
Pipe System C
Q (cfs) Hyd. No. 1 -- 10 Year
8.00-
6.00-
4.00-
2.00-
000V
14
Q (cfs)
8.00
6.00
4.00
2.00
' 0 2 4 6 8
Hyd No. 1
10 12 14 16 18 20 22
%- 0.00
24
Time (min)
I Hydrograph Report
15
Hydraflow Hydrographs by Intelisolve v9.02
Hyd. No. 2
' Pipe System D
Hydrograph type = Rational
' Storm frequency = 10 yrs
Time interval = 1 min
Drainage area = 2.590 ac
' Intensity = 6.380 in/hr
OF Curve = MalcolmRal2.IDF
Friday, Nov 16, 2007
Peak discharge = 13.39 cfs
Time to peak = 9 min
Hyd. volume = 10,842 cuft
Runoff coeff. = 0.81
Tc by User = 9.00 min
Asc/Rec limb fact = 1/2
Pipe System D
Q (cfs) Hyd. No. 2 -- 10 Year
' 14.00
' 12.00
' 10.00
' 8.00 __,_. ___...?.. .._._ _......._ ___.
6.00
4.00
2.00
0.00
Q (cfs)
14.00
12.00
10.00
8.00
6.00
4.00
2.00
0.00
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28
Hyd No. 2 Time (min)

Hydrograph Report

Hydraflow Hydrographs by Intelisolve v9.02
Hyd. No. 3
' Roof System F
Hydrograph type = Rational
' Storm frequency = 10 yrs
Time interval = 1 min

' Drainage area =
Intensity = 0.220 ac
7.495 in/hr
OF Curve = MalcolmRal2.IDF

Q (cfs)

2.OC
' 1.00
0.00
16
Friday, Nov 16, 2007
Peak discharge = 1.566 cfs
Time to peak = 5 min
Hyd. volume = 705 cuft
Runoff coeff. = 0.95
Tc by User = 5.00 min
Asc/Rec limb fact = 1/2
Roof System F
Hyd. No. 3 -- 10 Year
Q (cfs)
2.00
' 0 1 2 3 4 5 6
- Hyd No. 3
1.00
0.00
7 8 9 10 11 12 13 14 15
Time (min)
'
17
Hydrograph Report

Hydraflow Hydrographs by Intelisolve v9.02 Friday, Nov 16, 2007
Hyd. No. 4
t Area over Basin A
Hydrograph type = Rational Peak discharge = 4.201 cfs
' Storm frequency = 10 yrs Time to peak = 5 min
Time interval = 1 min Hyd. volume = 1,890 cuft
Drainage area = 0.590 ac Runoff coeff. = 0.95
Intensity = 7.495 in/hr Tc by User = 5.00 min
OF Curve = MalcolmRal2.IDF Asc/Rec limb fact = 1/2

Area over Basin A
Q (cfs) Hyd. No. 4 -- 10 Year Q (cfs)
1 5.00 5.00
4.00 4.00
' 3.00 3.00
2.00 2.00
1.00 1.00
0.00 0.00
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Hyd No. 4 Time (min)
'
18
Hydrograph Report

' Hydraflow Hydrographs by Intelisolve v9.02 Friday, Nov 16, 2007
Hyd. No. 5
' 1+2
Hydrograph type = Combine Peak discharge = 20.09 cfs
Storm frequency = 10 yrs Time to peak = 9 min
Time interval = 1 min Hyd. volume = 15,993 cuft
Inflow hyds. = 1, 2 Contrib. drain. area= 4.090 ac

1 +2
Q (cfs) Hyd. No. 5 -- 10 Year Q (cfs)

21.00
' 18.00
15.00
12.00
9.00
6.00
3.00
0.00
21.00
18.00
15.00
12.00
9.00
6.00
3.00
' 0.00
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28
Time (min)
Hyd No. 5 Hyd No. 1 - Hyd No. 2
'
19

Hydrograph Report

Hydraflow Hydrographs by Intelisolve v9.02 Friday, Nov 16, 2007
Hyd. No. 6
' 3+4

' Hydrograph type
Storm frequency = Combine
= 10 yrs Peak discharge =
Time to peak = 5.767 cfs
5 min
Time interval = 1 min Hyd. volume = 2,595 cuft
Inflow hyds. = 3, 4 Contrib. drain. area 0.810 ac

' 3+4
Q (cfs) Hyd. No. 6 -- 10 Year Q (cfs)

' 6.00
5.00
4.00
' 3.00
' 2.00
1.00
0 00
6.00
5.00
4.00
3.00
2.00
1.00
' 0.00
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Time (min)
Hyd No. 6 Hyd No. 3 Hyd No. 4
' Hydrograph Report
20
Hydraflow Hydrographs by Intelisolve v9.02
Hyd. No. 7
' i
T
l I
B
A
t
a
n
as
n
o
Hydrograph type
Storm frequency = Combine
= 10 yrs
Time interval = 1 min
Inflow hyds. = 5, 6
Friday, Nov 16, 2007
Peak discharge = 23.55 cfs
Time to peak = 9 min
Hyd. volume = 18,588 cuft
Contrib. drain. area= 0.000 ac
Total In Basin A
Q (cfs) Hyd. No. 7 -- 10 Year
' 24.00
20.00
16.00
' 12.00
' 8.00
4.00
0 00

Q (cfs)
24.00
20.00
16.00
12.00
8.00
4.00
0.00
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28
Time (min)
--? Hyd No. 7 - Hyd No. 5 Hyd No. 6

Hydrograph Report

Hydraflow Hydrographs by Intelisolve v9.02
Hyd. No. 8
' Basin A Outflow
Hydrograph type = Reservoir
' Storm frequency = 10 yrs
Time interval = 1 min
Inflow hyd. No. = 7 - Total In Basin A
' Reservoir name = Bio-retention A
21
Friday, Nov 16, 2007
Peak discharge = 4.599 cfs
Time to peak = 22 min
Hyd. volume = 4,883 cuft
Max. Elevation = 228.24 ft
Max. Storage = 16,152 cuft
Storage Indication method used. Exfiltration extracted from Outflow.
' Basin A Outflow
Q (cfs) Hyd. No. 8 -- 10 Year
' 24.00
' 20.00
16.00
' 12.00
' 8.00
4.00
0 00
Q (cfs)
24.00
20.00
16.00

12.00

8.00
4.00
' 0 10 20 30
- Hyd No. 8 --- Hyd No. 7
40 50 60
I1TT11iTlll Total storage used = 16,152 cuft
;a- 0.00
70
Time (min)
Pond Report 22
Hydraflow Hydrographs by Intelisolve v9.02 Friday, Nov 16, 2007
Pond No. 1 - Bio-retention A
Pond Data
' Contours - User-defined contour areas. Average end area method used for volume calculation. Begining Elevation = 227.00 ft
Stage / Storage Table
' Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (cuft) Total storage (cuft)
0.00 227.00 11,378 0 0
1.00 228.00 13,658 12,518 12,518
2.00 229.00
3.00 230.00 16,333
18,332 14,996
17,333 27,514
44,846

Culvert / Orifice Structures
[A] [B] [C] [PrfRsr]
Rise (in) = 18.00 0.00 0.00 0.00
Span (in) = 18.00 0.00 0.00 0.00
' No. Barrels = 1 0 0 0
Invert El. (ft) = 222.50 0.00 0.00 0.00
Length (ft) = 50.00 0.00 0.00 0.00
Slope (%) = 1.00 0.00 0.00 n/a
' N-Value = .013 .013 .013 n/a
Orifice Coeff. = 0.60 0.60 0.60 0.60
Multi-Stage = n/a No No No

Stage (ft)
3.00
' 2.00
' 1.00
0 00
Note: Culvert/Orifice outflows are analyzed under inlet and outlet control. Weir risers are checked for orifice conditions.
Stage / Discharge
Elev (ft)
230.00
229.00
228.00
227.00
0.00 2.00 4.00 6.00 8.00 10.00 12.00 14.00 16.00 18.00 20.00 22.00 24.00
' Total Q Discharge (cfs)
Weir Structures
[A] [B] [C] [D]
Crest Len (ft) = 14.60 0.00 0.00 0.00
Crest El. (ft) = 228.00 0.00 0.00 0.00
Weir Coeff. = 2.60 3.33 3.33 3.33
Weir Type = Riser --- --- ---
Multi-Stage = Yes No No No
Exfil.(in/hr) = 1.000 (by Contour)
TW Elev. (ft) = 0.00

I I
11
L

LJ

1
1
1

23
Hydrograph Summary Report HydraflowHydrographsbylntelisolvev9.02
Hyd.
No. Hydrograph
type
(origin) Peak
flow
(cfs) Time
interval
(min) Time to
peak
(min) Hyd.
volume
(cuft) Inflow
hyd(s) Maximum
elevation
(ft) Total
strge used
(cuft) Hydrograph
description
1 Rational 7.945 1 8 5,720 ---- ------ ------ Pipe System C
2 Rational 14.93 1 9 12,096 ---- ------ ------ Pipe System D
3 Rational 1.711 1 5 770 ---- ------ ------ Roof System F
4 Rational 4.589 1 5 2,065 ---- ------ ------ Area over Basin A
5 Combine 22.38 1 9 17,817 1, 2, ------ ------ 1+2
6 Combine 6.300 1 5 2,835 3, 4, ------ ------ 3+4
7 Combine 26.16 1 9 20,652 5,6 ------ ------ Total In Basin A
8 Reservoir 6.437 1 21 6,888 7 228.31 17,105 Basin A Outflow
WEF34_Basin_A.gpw Return Period: 25 Year Friday, Nov 16, 2007
Hydrograph Report
24
Hydraflow Hydrographs by Intelisolve v9.02
Hyd. No. 1
Pipe System C
Hydrograph type = Rational
' Storm frequency = 25 yrs
Time interval = 1 min

' Drainage area
Intensity = 1.500 ac
= 7.356 in/hr
OF Curve = MalcolmRal2.IDF

Friday, Nov 16, 2007
Peak discharge = 7.945 cfs
Time to peak = 8 min
Hyd. volume = 5,720 cuft
Runoff coeff. = 0.72
Tc by User = 8.00 min
Asc/Rec limb fact = 1/2
1
' Pipe System C
Q (cfs) Hyd. No. 1 -- 25 Year
Q (cfs)
8.00
6.00
4.00
2.00
0 2 4 6 8
- Hyd No. 1
3 0.00
10 12 14 16 18 20 22 24
Time (min)
' Hydrograph Report
25
Hydraflow Hydrographs by Intelisolve v9.02
Hyd. No. 2
Pipe System D
Hydrograph type = Rational
' Storm frequency = 25 yrs
Time interval = 1 min

t Drainage area
Intensity = 2.590 ac
= 7.118 in/hr
OF Curve = MalcolmRal2.IDF
i
Friday, Nov 16, 2007
Peak discharge = 14.93 cfs
Time to peak = 9 min
Hyd. volume = 12,096 cuft
Runoff coeff. = 0.81
Tc by User = 9.00 min
Asc/Rec limb fact = 1/2
t Pipe System D
Q (cfs) Hyd. No. 2 -- 25 Year
' 15.00
12.00
' 9.00
6.00
' 3.00
0.00
Q (cfs)
15.00
' 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28
Time (min)
--•- Hyd No. 2

26
Hydrograph Report

Hydraflow Hydrographs by Intelisolve v9.02 Friday, Nov 16, 2007
Hyd. No. 3
Roof System F
Hydrograph type = Rational Peak discharge = 1.711 cfs
Storm frequency = 25 yrs Time to peak = 5 min
Time interval = 1 min Hyd. volume = 770 cuft
Drainage area = 0.220 ac Runoff coeff. = 0.95
Intensity = 8.187 in/hr Tc by User = 5.00 min
OF Curve = MalcolmRa12.IDF Asc/Rec limb fact = 1/2

' Roof System F
Q (cfs)
Hyd. No. 3 -- 25 Year Q (cfs)
2.00
' 1.00
0 00
2.00
1.00
0.00
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Hyd No. 3 Time (min)
'
27
Hydrograph Report

Hydraflow Hydrographs by Intelisolve v9.02 Friday, Nov 16, 2007
Hyd. No. 4
' Area over Basin A
Hydrograph type = Rational Peak discharge = 4.589 cfs
Storm frequency = 25 yrs Time to peak = 5 min
Time interval = 1 min Hyd. volume = 2,065 cuft
Drainage area = 0.590 ac Runoff coeff. = 0.95
' Intensity = 8.187 in/hr Tc by User = 5.00 min
OF Curve = MalcolmRal2.IDF Asc/Rec limb fact = 1/2

' Area over Basin A
Q (cfs) Hyd. No. 4 -- 25 Year Q (cfs)
1 5.00 5.00
4.00 4.00
' 3.00 3.00
t m n w.
2.00 2.00
1.00 1.00
0.00 0.00
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Hyd No. 4 Time (min)
' Hydrograph Report
28
Hydraflow Hydrographs by Intelisolve v9.02
Hyd. No. 5
1+2
Hydrograph type = Combine
' Storm frequency = 25 yrs
Time interval = 1 min
Inflow hyds. = 1, 2

Friday, Nov 16, 2007
Peak discharge = 22.38 cfs
Time to peak = 9 min
Hyd. volume = 17,817 cuft
Contrib. drain. area= 4.090 ac
' +2
Q (cfs) 1 Hyd. No. 5 -- 25 Year
24.00
20.00
16.00
' 12.00
' 8.00
4.00
0.00
Q (cfs)
24.00
20.00
16.00
12.00
8.00
4.00

' 0.00
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28
Time (min)
--- Hyd No. 5 -- Hyd No. 1 -Hyd No. 2
'
Hydrograph Report 29

t Hydraflow Hydrographs by Intelisolve v9.02 Friday, Nov 16, 2007
Hyd. No. 6
' 3+4
Hydrograph type = Combine Peak discharge = 6.300 cfs
' Storm frequency = 25 yrs Time to peak = 5 min
Time interval = 1 min Hyd. volume = 2,835 cuft

1 Inflow hyds. = 3, 4 Contrib. drain. area 0.810 ac

' 3+4
Q (cfs) Hyd. No. 6 -- 25 Year Q (cfs)
' 7.OC
' 6.00
' 5.00
4.00
' 3.00
2.00
1.00
0.00
7.00
6.00
5.00
4.00
3.00
2.00
1.00
' 0.00
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Time (min)
--- Hyd No. 6 -Hyd No. 3 -Hyd No. 4
Hydrograph Report
30
Hydraflow Hydrographs by Intelisolve v9.02
Hyd. No. 7
Total In Basin A
Hydrograph type = Combine
' Storm frequency = 25 yrs
Time interval = 1 min
Inflow hyds. = 5, 6
Friday, Nov 16, 2007
Peak discharge = 26.16 cfs
Time to peak = 9 min
Hyd. volume = 20,652 cuft
Contrib. drain. area= 0.000 ac
' Total In Basin A
Q (cfs) Hyd. No. 7 -- 25 Year
28.00
' 24.00
20.00
16.00
12.00
8.00
4.00
0 00
Q (cfs)
28.00
24.00
20.00
16.00
12.00
8.00
4.00

' 0.00
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28
Time (min)
--- Hyd No. 7 --- Hyd No. 5 - Hyd No. 6
Hydrograph Report
31
Hydraflow Hydrographs by Intelisolve v9.02
Hyd. No. 8
' Basin A Outflow
Hydrograph type = Reservoir
Storm frequency = 25 yrs
Time interval = 1 min
Inflow hyd. No. = 7 - Total In Basin A
' Reservoir name = Bio-retention A
Friday, Nov 16, 2007
Peak discharge = 6.437 cfs
Time to peak = 21 min
Hyd. volume = 6,888 cuft
Max. Elevation = 228.31 ft
Max. Storage = 17,105 cuft
' Storage Indication method used. Exfiltration extracted from Outflow.
'
Q (cfs) Basin A Outflow
Hyd. No. 8 -- 25 Year
? nn nn
Q (cfs)
28.00
24.00
20.00
16.00
12.00
8.00
4.00
0 10 20 30
-- Hyd No. 8 Hyd No. 7
40 50 60
T111T1 11 Total storage used= 17,105 cuft
0.00
70
Time (min)
32
Pond Report
Hydraflow Hydrographs by Intelisolve v9 .02 Friday, Nov 16, 2007
' Pond No. 1 - Bio-retention A
Pond Data
' Contours - User-defined contour areas. Average end area method used for volume ca lculation. Begining Eleva tion = 227.00 ft
Stage / Storage Table
' Stage (ft) Elevation (ft) Contour area (sqft) Incr. Storage (cuft) Total storage (cuft)
0.00 227.00 11,378 0 0
1.00 228.00 13,658 12,518 12,518
' 2.00 229.00
3.00 230.00 16,333
18,332 14,996
17,333 27,514
44,846
Culvert/ Orifice Structures Weir Structures
' [A] [B] [C] [PrfRsr] [A] [B] [C] [D]
Rise (in) = 18.00 0.00 0.00 0.00 Crest Len (ft) = 14.60 0.00 0.00 0.00
Span (in) = 18.00 0.00 0.00 0.00 Crest El. (ft) = 228.00 0.00 0.00 0.00
' No. Barrels = 1 0 0 0 Weir Coeff. = 2.60 3.33 3.33 3.33
Invert El. (ft) = 222.50 0.00 0.00 0.00 Weir Type = Riser
Length (ft) = 50.00 0.00 0.00 0.00 Multi-Stage = Yes No No No
Slope (%) = 1.00 0.00 0.00 n/a
N-Value = .013 .013 .013 n/a
Orifice Coeff. = 0.60 0.60 0.60 0.60 Exfil.(in/hr) = 1.000 (by Contour)
Multi-Stage = n/a No No No TW Elev. (ft) = 0.00

Note: Culvert/Orifice outflows are analyzed under inlet and outlet control. Weir risers are checked for orifice conditions.

Stage (ft) Stag e / Discharge
Elev (ft)
3.00
' 2.00
' 1.00
' 0 00
230.00
229.00
228.00
227.00
0.00 2.00 4.00 6.00 8.00 10.00 12.00 14.00 16.00 18.00 20.00 22.00 24.00
' Total Q Discharge (cfs)

17

1
1

I I
33
Hydrograph Summary Report HydraflowHydrographsbylntelisolvev9.02
Hyd.
No. Hydrograph
type
(origin) Peak
flow
(cfs) Time
interval
(min) Time to
peak
(min) Hyd.
volume
(cult) Inflow
hyd(s) Maximum
elevation
(ft) Total
strge used
(cuft) Hydrograph
description
1 Rational 9.492 1 8 6,834 ---- ------ ------ Pipe System C
2 Rational 17.88 1 9 14,479 ---- ------ ------ Pipe System D
3 Rational 2.030 1 5 914 ---- ------ ------ Roof System F
4 Rational 5.444 1 5 2,450 ---- ------ ------ Area over Basin A
5 Combine 26.77 1 9 21,313 1, 2, ------ ------ 1+2
6 Combine 7.474 1 5 3,363 3, 4, ------ ------ 3+4
7 Combine 31.26 1 9 24,677 5,6 ------ ------ Total In Basin A
8 Reservoir 10.20 1 19 10,841 7 228.42 18,751 Basin A Outflow
WEF34_Basin_A.gpw Return Period: 100 Year Friday, Nov 16, 2007
' Hydrograph Report
Hydraflow Hydrographs by Intelisolve v9.02
Hyd. No. 1
' Pipe System C
Hydrograph type = Rational
' Storm frequency = 100 yrs
Time interval = 1 min
Drainage area = 1.500 ac
Intensity = 8.788 in/hr
OF Curve = MalcolmRal2.IDF
Friday, Nov 16, 2007
Peak discharge = 9.492 cfs
Time to peak = 8 min
Hyd. volume = 6,834 cuft
Runoff coeff. = 0.72
Tc by User = 8.00 min
Asc/Rec limb fact = 1/2
' Pipe System C
Q (cfs) Hyd. No. 1 -- 100 Year
' 10.00
' 8.00-
6.00-
4.00-
2.00--
0.00
34
Q (cfs)
10.00
8.00
6.00
4.00
2.00
0 2 4 6 8
Hyd No. 1
10 12 14 16 18 20 22
-X- 0.00
24
Time (min)
' Hydrograph Report
Hydraflow Hydrographs by Intelisolve v9.02
Hyd. No. 2
1 Pipe System D

1 Hydrograph type
Storm frequency = Rational
= 100 yrs
Time interval = 1 min

1 Drainage area
Intensity = 2.590 ac
= 8.521 in/hr
OF Curve = MalcolmRal2.IDF

Friday, Nov 16, 2007
Peak discharge = 17.88 cfs
Time to peak = 9 min
Hyd. volume = 14,479 cuft
Runoff coeff. = 0.81
Tc by User = 9.00 min
Asc/Rec limb fact = 1/2
1
1 Pipe System D
Q (cfs) Hyd. No. 2 -- 100 Year
1 18.00
1 15.00
12.00
1
1 9.00
6.00
1
3.00
1
0 00
35
Q (cfs)
18.00
15.00
12.00
9.00
6.00

3.00
1 0 2 4 6 8 10 12 14
Hyd No. 2
' ' ' 0.00
16 18 20 22 24 26 28
Time (min)
L?
1
Hydrograph Report

Hydraflow Hydrographs by Intelisolve v9.02
Hyd. No. 3
Roof System F
Hydrograph type = Rational
1 Storm frequency = 100 yrs
Time interval = 1 min

1 Drainage area =
Intensity = 0.220 ac
9.713 in/hr
OF Curve = MalcolmRal2.IDF
36
Friday, Nov 16, 2007
Peak discharge = 2.030 cfs
Time to peak = 5 min
Hyd. volume = 914 cuft
Runoff coeff. = 0.95
Tc by User = 5.00 min
Asc/Rec limb fact = 1/2
1
1 Roof System F
Q (cfs) Hyd. No. 3 -- 100 Year
1 3.00
1
1
2.00
1
1
1 1.00
1
1
0 00
II!i?
Q (cfs)
3.00
2.00
1.00
1 0 1 2 3 4 5 6
- Hyd No. 3
1
7 8

L- N 0.00
9 10 11 12 13 14 15
Time (min)

37
Hydrograph Report

' Hydraflow Hydrographs by Intelisolve v9.02 Friday, Nov 16, 2007
Hyd. No. 4
' Area over Basin A
Hydrograph type
Storm frequency = Rational
= 100 yrs Peak discharge
Time to peak = 5.444 cfs
= 5 min
Time interval = 1 min Hyd. volume = 2,450 cuft
Drainage area
Intensity = = 0.590 ac
9.713 in/hr Runoff coeff.
Tc by User = 0.95
= 5.00 min
OF Curve = MalcolmRal2.IDF Asc/Rec limb fact = 1/2

t
' Area over Basin A
Q (cfs) Hyd. No. 4 -- 100 Year Q (cfs)
t 6.00
' 5.00
4.00
1
' 3.00
' 2.00
1.00
0 00
6.00
5.00
4.00
3.00
2.00
1.00
0.00
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Hyd No. 4 Time (min)

Hydrograph Report

Hydraflow Hydrographs by Intelisolve v9.02
Hyd. No. 5
1
2
+

1 Hydrograph type
Storm frequency = Combine
= 100 yrs
Time interval = 1 min
Inflow hyds. = 1, 2
' Q (cfs)
28.00
24.00
1 20.00
1 16.00
12.00
8.00 -
4.00 -
1
0 00 -
38
Q (cfs)
28.00
' 0 2 4
Hyd No. 5
i
1
1+2
Hyd. No. 5 -- 100 Year
Friday, Nov 16, 2007
Peak discharge = 26.77 cfs
Time to peak = 9 min
Hyd. volume = 21,313 cuft
Contrib. drain. area 4.090 ac
24.00
20.00
16.00
12.00
8.00
4.00
I _0.00
6 8 10 12 14 16 18 20 22 24 26 28
Time (min)
----- Hyd No. 1 Hyd No. 2
I Hydrograph Report
Friday, Nov 16, 2007
R Hydraflow Hydrographs by Intelisolve v9.02
Hyd. No. 6
' 3+4
Hydrograph type = Combine
Storm frequency = 100 yrs
Time interval = 1 min
Inflow hyds. = 3, 4

Q (cfs)
8.00
6.00
4.00
' 2.00
O 00
39
Peak discharge = 7.474 cfs
Time to peak = 5 min
Hyd. volume = 3,363 cuft
Contrib. drain. area 0.810 ac
3+4
Hyd. No. 6 -- 100 Year
Q (cfs)
8.00
6.00
4.00
2.00
0 1 2 3 4 5 6
Hyd No. 6 Hyd No. 3
I I I I I I I I =hill 0.00
7 8 9 10 11 12 13 14 15
Hyd No. 4 Time (min)
'
40

Hydrograph Report

Hydraflow Hydrographs by Intelisolve v9
02 Frida
Nov 16
2007
. y,
,
Hyd. No. 7
' T
t
l I
B
i
A
o
a
n
as
n

' Hydrograph type
Storm frequency = Combine
= 100 yrs Peak discharge =
Time to peak = 31.26 cfs
9 min
Time interval = 1 min Hyd. volume = 24,677 cuft
Inflow hyds. = 5, 6 Contrib. drain. area 0.000 ac

Total In Basin A
Q (cfs) Hyd. No. 7 -- 100 Year Q (cfs)

35.00
' 30.00
' 25.00
' 20.00
' 15.00
10.00
5.00
0 00
35.00
30.00
25.00
20.00
15.00
10.00
5.00
0.00
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28
Time (min)
--- Hyd No. 7 - Hyd No. 5 Hyd No. 6
' Hydrograph Report
Hydraflow Hydrographs by Intelisolve v9.02
Hyd. No. 8
B
i
A O
tfl
as
n
u
ow
Hydrograph type
Storm frequency = Reservoir
= 100 yrs
Time interval = 1 min
' Inflow hyd. No.
Reservoir name = 7 - Total In Basin A
= Bio-retention A

Friday, Nov 16, 2007
Peak discharge = 10.20 cfs
Time to peak = 19 min
Hyd. volume = 10,841 cuft
Max. Elevation = 228.42 ft
Max. Storage = 18,751 cuft
' Storage Indication method used. Exfiltration extracted from Outflow.
' Basin A Outflow
Q (cfs) Hyd. No. 8 -- 100 Year
' 35.00
30.00
' 25.00
20.00
' 15.00
10.00
5.00
1
0.00
41
Q (cfs)
35.00
30.00

25.00
20.00
15.00
10.00
5.00
' 0 10 20 30
-- Hyd No. 8 -- Hyd No. 7
40 50 60
IFFM11TTl Total storage used = 18,751 cuft
a-- 0.00
70
Time (min)
1 Pond Report 42
Hydraflow Hydrographs by Intelisolve v9.02 Friday, Nov 16, 2007
1 Pond No. 1 - Bio-retention A
Pond Data
1 Contours - User-defined contour areas. Average end area method used for volume calculation. Begining Elevation = 227.00 ft
Stage / Storage Table
' Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (cuft) Total storage (cuft)
0.00 227.00 11,378 0 0
1.00 228.00 13,658 12,518 12,518
1 2.00
3.00 229.00
230.00 16,333
18,332 14,996
17,333 27,514
44,846
Culvert / Orifice Structures Weir Structures
1 [A] [B] [C] [PrfRsr] [A] [B] [C] [D]
Rise (in) = 18.00 0.00 0.00 0.00 Crest Len (ft) = 14.60 0.00 0.00 0.00
1 Span (in)
No. Barrels = 18.00
= 1 0.00
0 0.00
0 0.00
0 Crest El. (ft)
Weir Coeff. = 228.00 0.00
= 2.60 3.33 0.00
3.33 0.00
3.33
Invert El. (ft) = 222.50 0.00 0.00 0.00 Weir Type = Riser
Length (ft) = 50.00 0.00 0.00 0.00 Multi-Stage = Yes No No No
Slope (%) = 1.00 0.00 0.00 n/a
1 N-Value = .013 .013 .013 n/a
Orifice Coeff. = 0.60 0.60 0.60 0.60 Exfil.(in/hr) = 1.000 (by Contour)
Multi-Stage = n/a No No No TW Elev. (ft) = 0.00

1
1 Stage (ft)
1 3.00
1
1 2.00
1
1 1.00
1
1
0.00
Note: Culvert/Orifice outflows are analyzed under inlet and outlet control. Weir risers are checked for orifice conditions.
Stage / Discharge
Elev (ft)
230.00
I I I I
0.00 2.00
Total Q
1
229.00
228.00
227.00
4.00 6.00 8.00 10.00 12.00 14.00 16.00 18.00 20.00 22.00 24.00
Discharge (cfs)
Hydraflow Rainfall Report
43
Hydraflow Hydrographs by Intelisolve v9.02
Return
Period Intensity-Duration-Frequency Equation Coefficients (FHA)
(Yrs) B D E (N/A)
1 0.0000 0.0000 0.0000 --------
2 74.0559 13.3000 0.8788 --------
3 0.0000 0.0000 0.0000 --------
5 83.5112 14.8000 0.8514 --------
10 82.6003 13.5000 0.8225 --------
25 118.9252 17.6000 0.8582 --------
50 137.0265 18.6000 0.8630 --------
100 157.1769 19.6000 0.8692 --------
File name: MalcolmRal2.IDF
Intensity = B / (Tc + D)^E
Friday, Nov 16, 2007
Return
Period Intensity Values (in/hr)
(Yrs) 5 min 10 15 20 25 30 35 40 45 50 55 60
1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
2 5.76 4.65 3.92 3.40 3.01 2.70 2.45 2.25 2.08 1.93 1.81 1.70
3 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
5 6.57 5.43 4.64 4.07 3.63 3.28 3.00 2.76 2.57 2.40 2.25 2.12
10 7.49 6.16 5.25 4.60 4.10 3.71 3.39 3.13 2.91 2.72 2.55 2.41
25 8.19 6.90 5.98 5.29 4.75 4.32 3.97 3.67 3.41 3.20 3.01 2.84
50 8.95 7.59 6.60 5.86 5.27 4.80 4.41 4.08 3.81 3.57 3.36 3.17
100 9.71 8.27 7.22 6.42 5.79 5.28 4.86 4.50 4.20 3.93 3.70 3.50
Tc = time in minutes. Values may exceed 60.

Rainfall Precipitation Table (in)
Storm
Distribution 1-yr 2-yr 3-yr 5-yr 10-yr 25-yr 50-yr 100-yr
SCS 24-hour 3.00 2.20 0.00 3.30 4.25 5.77 6.80 7.95
SCS 6-Hr 0.00 1.80 0.00 0.00 2.60 0.00 0.00 4.00
Huff-1st 0.00 1.55 0.00 2.75 4.00 5.38 6.50 8.00
Huff-2nd 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Huff-3rd 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Huff-4th 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Huff-Indy 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Custom 0.00 1.75 0.00 2.80 3.90 5.25 6.00 7.10
I Hydraflow Table of Contents

u

tAs10 r,3
WEF34_Basin_B.gpw
Hydraflow Hydrographs by Intelisolve v9.02
Friday, Nov 16, 2007
Watershed Model Schematic ............................................................................ 1
2-Year
Hydrograph Return Period Recap .................................................................... 2
Summary Report ................................................................................................................ 3
Hydrograph Reports .......................................................................................................... 4
Hydrograph No. 1, Rational, Pipe System A ................................................................... 4
Hydrograph No. 2, Rational, Pipe System B ................................................................... 5
Hydrograph No. 3, Rational, Area over Basin B .............................................................. 6
Hydrograph No. 4, Combine, 1+2 ................................................................................... 7
Hydrograph No. 5, Combine, 3+4 Basin B Inflow ........................................................... 8
Hydrograph No. 6, Reservoir, Basin B Outflow ............................................................... 9
Pond Report - Bioretention B .................................................................................... 10
' 10 - Year
Summary Report ..............................................................................................................
Hydrograph Reports ........................................................................................................
Hydrograph No. 1, Rational, Pipe System A ................................................................. 11
12
12

' Hydrograph No. 2, Rational, Pipe System B .................................................................
Hydrograph No. 3, Rational, Area over Basin B ............................................................ 13
14
Hydrograph No. 4, Combine, 1+2 ................................................................................. 15
Hydrograph No. 5, Combine, 3+4 Basin B Inflow .........................................................
Hydrograph No. 6, Reservoir, Basin B Outflow ............................................................. 16
17
Pond Report - Bioretention B .................................................................................... 18
25 - Year
Summary Report ............................................................... 19
...............................................
Hydrograph Reports .................................................. 20
' ......................................................
Hydrograph No. 1, Rational, Pipe System A ................................................................. 20
Hydrograph No. 2, Rational, Pipe System B ................................................................. 21
Hydrograph No. 3, Rational, Area over Basin B ..... 22
.......................................................
Hydrograph No. 4, Combine, 1+2 ................................................................................. 23
Hydrograph No. 5, Combine, 3+4 Basin B Inflow ......................................................... 24
Hydrograph No. 6, Reservoir, Basin B Outflow .... 25
.........................................................
Pond Report - Bioretention B .................................................................................... 26
100 - Year
Summary Report .............................................................................................................. 27
Hydrograph Reports ........................................................................................................ 28
Hydrograph No. 1, Rational, Pipe System A . 28
................................................................
Hydrograph No. 2, Rational, Pipe System B 29
Hydrograph No. 3, Rational, Area over Basin B ............................................................ 30
Hydrograph No. 4, Combine, 1+2 ......................... 31
Hydrograph No. 5, Combine, 3+4 Basin B Inflow 32
.........................................................
Hydrograph No. 6, Reservoir, Basin B Outflow ............................................................. 33
Contents continued...
WEF34_Basin_B.gpw
Pond Report - Bioretention B ...................................................................... 34
OF Report ........................................................................................................ 35

i

r

1

Watershed Model Schematic
1
Hydraflow Hydrographs by Intelisolve v9.02
Sys - A 2. Pipe system B
6-Bean B Outflow
Legend
Hvd. Ori in Description
1 Rational Pipe System A
2 Rational Pipe System B
3 Rational Area over Basin B
4 Combine 1+2
5 Combine 3+4 Basin B Inflow
6 Reservoir Basin B Outflow
Project: WEF34_Basin_B.gpw
33 - A .. over 8-in B
c
Friday, Nov 16, 2007
0
Ll

u
1
CI

2
Hydrograph Return Period Recap Hydraflow Hydrographs by Intelisolve v9.02
Hyd. Hydrograph Inflow Peak Outflow (cfs) Hydrograph

No. type Hyd(s) description
(origin) 1-Yr 2-Yr 3-Yr 5-Yr 10-Yr 25-Yr 50-Yr 100-Yr
1 Rational ------- ------- 5.527 ------- ------- 7.269 8.073 ------- 9.644 Pipe System A
2 Rational ------- ------- 14.47 ------- ------- 19.03 21.13 ------- 25.25 Pipe System B
3 Rational ------- ------- 4.210 ------- ------- 5.483 5.989 ------- 7.105 Area over Basin B
4 Combine 1, 2, ------- 20.00 ------- ------- 26.30 29.21 ------- 34.89 1+2
5 Combine 3,4 ------- 22.94 ------- ------- 30.13 33.40 ------- 39.87 3+4 Basin B Inflow
6 Reservoir 5 ------- 1.661 ------- ------- 6.287 8.563 ------- 13.09 Basin B Outflow
Proj. file: WEF34_Basin_B.gpw Friday, Nov 16, 2007

J

1
0

0

0

3
Hydrograph Summary Report HydraflowHydrographsbylntelisolvev9.02
Hyd.
No. Hydrograph
type
(origin) Peak
flow
(cfs) Time
interval
(min) Time to
peak
(min) Hyd.
volume
(cuft) Inflow
hyd(s) Maximum
elevation
(ft) Total
strge used
(cuft) Hydrograph
description
1 Rational 5.527 1 8 3,980 ---- ------ ------ Pipe System A
2 Rational 14.47 1 8 10,418 ---- ------ ------ Pipe System B
3 Rational 4.210 1 5 1,895 ---- ------ ------ Area over Basin B
4 Combine 20.00 1 8 14,397 1, 2, ------ ------ 1+2
5 Combine 22.94 1 8 16,292 3,4 ------ ------ 3+4 Basin B Inflow
6 Reservoir 1.661 1 22 1,676 5 228.12 15,483 Basin B Outflow
WEF34_Basin_B.gpw Return Period: 2 Year Friday, Nov 16, 2007
Hydrograph Report
. Hydraflow Hydrographs by Intelisolve v9.02
' Hyd. No. 1
Pipe System A
Hydrograph type = Rational
Storm frequency = 2 yrs
Time interval = 1 min
Drainage area = 1.770 ac
' Intensity = 5.037 in/hr
OF Curve = MalcolmRal2.IDF
¦
Friday, Nov 16, 2007
Peak discharge = 5.527 cfs
Time to peak = 8 min
Hyd. volume = 3,980 cuft
Runoff coeff. = 0.62
Tc by User = 8.00 min
Asc/Rec limb fact = 1/2
Pipe System A
Q (cfs) Hyd. No. 1 -- 2 Year
' 6.00
5.00
4.00
' 3.00
' 2.00
1.00
0.00
4
Q (cfs)
6.00
5.00
4.00
3.00
L -T
2.00
1.00
' 0 2 4 6 8
' ---- Hyd No. 1
31 0.00
10 12 14 16 18 20 22 24
Time (min)
Hydrograph Report
5
. Hydraflow Hydrographs by Intelisolve v9.02
Hyd. No. 2
Pi
S
pe
ystem B
Hydrograph type = Rational
' Storm frequency = 2 yrs
Time interval = 1 min
Drainage area = 3.990 ac
' Intensity = 5.037 in/hr
OF Curve = MalcolmRal2.IDF

Friday, Nov 16, 2007
Peak discharge = 14.47 cfs
Time to peak = 8 min
Hyd. volume = 10,418 cuft
Runoff coeff. = 0.72
Tc by User = 8.00 min
Asc/Rec limb fact = 1/2
' Pipe System B
Q (cfs) Hyd. No. 2 -- 2 Year
' 15.00
12.00
' 9.00
6.00
3.00
0.00

Q (cfs)
15.00
12.00
9.00
6.00
3.00
0 2 4 6 8
- Hyd No. 2
10 12 14 16 18 20 22
'+- 0.00
24
Time (min)

6
Hydrograph Report

Hydraflow Hydrographs by Intelisolve v9
02 Frida
Nov 16
2007
. y,
,
Hyd. No. 3
Area over Basin B
Hydrograph type = Rational Peak discharge = 4.210 cfs
' Storm frequency = 2 yrs Time to peak = 5 min
Time interval = 1 min Hyd. volume = 1,895 cuft
Drainage area = 0.770 ac Runoff coeff. = 0.95
Intensity = 5.755 in/hr Tc by User = 5.00 min
OF Curve = MalcolmRal2.IDF Asc/Rec limb fact = 1/2

Area over Basin B
Q (cfs) Hyd. No. 3 -- 2 Year Q (cfs)

5.00
4.00
' 3.00
2.00
1.00
0.00
5.00
4.00
3.00
2.00
1.00
0.00
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
---- Hyd No. 3 Time (min)
i
Hydrograph Report
7
Hydraflow Hydrographs by Intelisolve v9.02
Hyd. No. 4
1+2
Hydrograph type = Combine
Storm frequency = 2 yrs
Time interval = 1 min
' Inflow hyds. = 1, 2
Friday, Nov 16, 2007
Peak discharge = 20.00 cfs
Time to peak = 8 min
Hyd. volume = 14,397 cuft
Contrib. drain. area 5.760 ac
' 1+2
Q (cfs) Hyd. No. 4 -- 2 Year
21.00
' 18.00
15.00
' 12.00
9.00
6.00
3.00
0 00
Q (cfs)
21.00
18.00
I____ _ I I _._ J/ I I L
15.00

12.00
9.00

6.00
3.00

0 2 4 6 8 10
Hyd No. 4 Hyd No. 1
0.00
12 14 16 18 20 22 24
Hyd No. 2 Time (min)
M Hydrograph Report
3+4 Basin B Inflow
Hyd. No. 5 -- 2 Year
Hydraflow Hydrographs by Intelisolve v9.02
' Hyd. No. 5
3+4 Basin B Inflow
Hydrograph type = Combine
' Storm frequency = 2 yrs
Time interval = 1 min
' Inflow hyds. = 3, 4
Friday, Nov 16, 2007
Peak discharge = 22.94 cfs
Time to peak = 8 min
Hyd. volume = 16,292 cuft
Contrib. drain. area 0.770 ac
Q (cfs)
' 24.00
20.00
16.00
' 12.00
8.00 ,?.._.. ?,.._..,>? .n..?
4.00-
0 00
8
Q (cfs)
24.00
20.00
16.00
12.00
8.00
V
4.00
0 2 4 6 8 10
Hyd No. 5 Hyd No. 3
12 14 16
Hyd No. 4
18 20 22
X- 0.00
24
Time (min)
? Hydrograph Report
' Hydraflow Hydrographs by Intelisolve v9.02
Hyd. No. 6
Basin B Outflow
' Hydrograph type = Reservoir
Storm frequency = 2 yrs
Time interval = 1 min
' Inflow hyd. No. = 5 - 3+4 Basin B Inflow
Reservoir name = Bioretention B
9
Friday, Nov 16, 2007
Peak discharge = 1.661 cfs
Time to peak = 22 min
Hyd. volume = 1,676 cuft
Max. Elevation = 228.12 ft
Max. Storage = 15,483 cuft
0 Storage indication method used. Exfiltration extracted from Outflow
Q (cfs)
24.00
20.00
16.00
12.00
8.00
4.00

' 0.00 . , .. . , I I _- 0 00
0 10
' - Hyd No. 6
20
Hyd No. 5
30 40 50
1TFMT1? Total storage used = 15,483 cult
60
Time (min)
'
Pond Report 10
' Hydraflow Hydrographs by Intelisolve v9.02 Friday, Nov 16, 2007
Pond No. 1 - Bioretention B
Pond Data
' Contours - User-defined contour areas. Conic method used for volume calculation. Begining Elevation = 227.00 ft
Stage / Storage Table
Stage (ft) Elevation (ft) Contour area (sqft) Incr. Storage (cult) Total storage (cuft)
0.00 227.00 12,292 0 0
1.00 228.00 14,872 13,560 13,560
2.00 229.00 16,933 15,890 29,450
' 3.00 230.00 18,499 17,708 47,158
Culvert/ Orifice Structures Weir Structures
[A] [B] [C] [PrfRsr] [A] [B] [C] [D]
Rise (in) = 18.00 0.00 0.00 0.00 Crest Len (ft) = 14.60 0.00 0.00 0.00
Span (in) = 18.00 0.00 0.00 0.00 Crest El. (ft) = 228.00 0.00 0.00 0.00
' No. Barrels = 1 0 0 0 Weir Coeff. = 2.60 3.33 3.33 3.33
Invert El. (ft) = 222.00 0.00 0.00 0.00 Weir Type = Riser --- --- ---
Length (ft) = 50.00 0.00 0.00 0.00 Multi-Stage = Yes No No No
t Slope (%) = 1.00 0.00 0.00 n/a
N-Value = .013 .013 .013 n/a
Orifice Coeff. = 0.60 0.60 0.60 0.60 Exfil.(in/hr) = 1.000 (by Contour)
. Multi-Stage = n/a No No No TW Elev. (ft) = 0.00
. Note: Culvert/Orifice outflows are analyzed under inlet and outlet control. Weir risers are checked for orifice conditions.
Stage (ft) Stage / Discharge Elev (ft)

230.00
229.00
228.00
0.00 ' , 1 i I I I I i 227.00
' 0.00 2.00 4.00 6.00 8.00 10.00 12.00 14.00 16.00 18.00 20.00 22.00 24.00
Total Q Discharge (cfs)
i

1

1
1
1

1
1
r
0

t
11
Hydrograph Summary Report HydrafiowHydrographsbylnteiisolvev9.02
Hyd.
No. Hydrograph
type
(origin) Peak
flow
(cfs) Time
interval
(min) Time to
peak
(min) Hyd.
volume
(cult) Inflow
hyd(s) Maximum
elevation
(ft) Total
strge used
(cuft) Hydrograph
description
1 Rational 7.269 1 8 5,233 ---- ------ ------ Pipe System A
2 Rational 19.03 1 8 13,700 ---- ------ ------ Pipe System B
3 Rational 5.483 1 5 2,467 ---- ------ ------ Area over Basin B
4 Combine 26.30 1 8 18,934 1, 2, ------ ------ 1+2
5 Combine 30.13 1 8 21,401 3,4 ------ ------ 3+4 Basin B Inflow
6 Reservoir 6.287 1 20 6,501 5 228.30 18,351 Basin B Outflow
WEF34_Basin_B.gpw Return Period: 10 Year Friday, Nov 16, 2007
Hydrograph Report
. Hydraflow Hydrographs by Intelisolve v9.02
Hyd. No. 1
Pipe System A
Hydrograph type = Rational
' Storm frequency = 10 yrs
Time interval = 1 min
Drainage area = 1.770 ac
' Intensity = 6.624 in/hr
OF Curve = MalcolmRal2.IDF

Friday, Nov 16, 2007
Peak discharge = 7.269 cfs
Time to peak = 8 min
Hyd. volume = 5,233 cuft
Runoff coeff. = 0.62
Tc by User = 8.00 min
Asc/Rec limb fact = 1/2
Pipe System A
Q (cfs) Hyd. No. 1 -- 10 Year
' 8.00
6.00
' 4.00
' 2.00
0 00
12
Q (cfs)
8.00
6.00
4.00
2.00
0 2 4 6 8
--- Hyd No. 1
10 12 14 16 18 20 22
'- 0.00
24
Time (min)

Hydrograph Report
¦
Friday, Nov 16, 2007
. Hydraflow Hydrographs by Intelisolve v9.02
' Hyd. No. 2
Pipe System B
Hydrograph type = Rational
' Storm frequency = 10 yrs
Time interval = 1 min
Drainage area = 3.990 ac
Intensity = 6.624 in/hr
OF Curve = MalcolmRal2.IDF

Q (cfs)

21.00
' 18.00
15.00
' 12.00
9.00
6.00
' 3.00
0.00
Peak discharge = 19.03 cfs
Time to peak = 8 min
Hyd. volume = 13,700 cuft
Runoff coeff. = 0.72
Tc by User = 8.00 min
Asc/Rec limb fact = 1/2
Pipe System B
Hyd. No. 2 -- 10 Year
13
Q (cfs)
21.00

J J
' 0 2 4 6 8
----- Hyd No. 2
18.00
15.00
12.00
9.00
6.00
3.00
I 2- 0.00
10 12 14 16 18 20 22 24
Time (min)
'
14
Hydrograph Report

h
Hydraflow Hydrograp
s by Intelisolve v9.02 Friday, Nov 16, 2007
Hyd. No. 3
Area over Basin B
Hydrograph type = Rational Peak discharge = 5.483 cfs
' Storm frequency = 10 yrs Time to peak = 5 min
Time interval = 1 min Hyd. volume = 2,467 cuft
Drainage area = 0.770 ac Runoff coeff. = 0.95
Intensity = 7.495 in/hr Tc by User = 5.00 min
OF Curve = MalcolmRal2.IDF Asc/Rec limb fact = 1/2

' Area over Basin B
Q (cfs) Hyd. No. 3 -- 10 Year a (cfs)

I 6.00
' 5.00
4.00
' 3.00
' 2.00
1.00
0 00
6.00
5.00
4.00
3.00
2.00
1.00
. 0.00
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Hyd No. 3 Time (min)
Hydrograph Report
15
. Hydraflow Hydrographs by Intelisolve v9.02
Hyd. No. 4
1+2
Hydrograph type = Combine
' Storm frequency = 10 yrs
Time interval = 1 min
Inflow hyds. = 1, 2
Friday, Nov 16, 2007
Peak discharge = 26.30 cfs
Time to peak = 8 min
Hyd. volume = 18,934 cuft
Contrib. drain. area 5.760 ac
' +2
Q (cfs) 1 Hyd. No. 4 -- 10 Year
28.00
24.00
20.00
16.00
12.00
8.00
' 4.00
' 0.00
0 2 4 6 8 10
' --- Hyd No. 4 Hyd No. 1
12 14 16
Hyd No. 2
18 20 22
Q (cfs)
28.00
24.00
20.00
16.00
12.00
8.00
4.00
Ri- 0.00
24
Time (min)
Hydrograph Report
3+4 Basin B Inflow
Hyd. No. 5 -- 10 Year
Hydraflow Hydrographs by Intelisolve v9.02
' Hyd. No. 5
3+4 Basin B Inflow
Hydrograph type = Combine
' Storm frequency = 10 yrs
Time interval = 1 min
Inflow hyds. = 3, 4
Friday, Nov 16, 2007
Peak discharge = 30.13 cfs
Time to peak = 8 min
Hyd. volume = 21,401 cuft
Contrib. drain. area 0.770 ac
Q (cfs)
' 35.00
30.00
25.00
' 20.00
15.00
10.00
' 5.00
0 00

16
Q (cfs)
35.00
30.00
25.00
20.00
15.00
10.00
5.00
' 0 2 4 6 8 10
' ---- Hyd No. 5 Hyd No. 3
12 14 16
Hyd No. 4
' V 0.00
18 20 22 24
Time (min)

Hydrograph Report

fl
r
I
H
d
H
d
h
b
t li
l
9
02
ow
rog
y
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ap
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.
Hyd. No. 6
Basin B Outflow
Hydrograph type = Reservoir
' Storm frequency = 10 yrs
Time interval = 1 min
Inflow hyd. No. = 5 - 3+4 Basin B Inflow
' Reservoir name = Bioretention B
17
Friday, Nov 16, 2007
Peak discharge = 6.287 cfs
Time to peak = 20 min
Hyd. volume = 6,501 cuft
Max. Elevation = 228.30 ft
Max. Storage = 18,351 cuft
' Storage Indication method used. Exfiltration extracted from Outflow.
Basin B Outflow
Q (cfs) Hyd. No. 6 -- 10 Year
' 35.00
30.00
25.00
w
....... w.., ., w E-E-E-1
20.00
15.00
10.00
5.00
0 00
Q (cfs)
35.00
30.00
25.00
20.00
15.00
10.00
5.00
' 0 10 20 30
----- Hyd No. 6 Hyd No. 5
40 50 60
11IMT11 Total storage used = 18,351 cuft
=- 0.00
70
Time (min)

Pond Report i$
' Hydraflow Hydrographs by Intelisolve v9.02 Friday, Nov 16, 2007
Pond No. 1 - Bioretention B
Pond Data
Contours - User-defined contour areas. Conic method used for volume calculation. Begining Elevation = 227.00 ft
Stage / Storage Table
Stage (ft) Elevation (ft) Contour area (sqft) Incr. Storage (cuft) Total storage (cuft)
0.00 227.00 12,292 0 0
1.00 228.00 14,872 13,560 13,560
2.00 229.00 16,933 15,890 29,450
3.00 230.00 18,499 17,708 47,158
Culvert/ Orifice Structures Weir Structures
' [A] [B] [C] [PrfRsr] [A] [B] [C] [D]
Rise (in) = 18.00 0.00 0.00 0.00 Crest Len (ft) = 14.60 0.00 0.00 0.00
Span (in) = 18.00 0.00 0.00 0.00 Crest El. (ft) = 228.00 0.00 0.00 0.00
No. Barrels = 1 0 0 0 Weir Coeff. = 2.60 3.33 3.33 3.33
Invert El. (ft) = 222.00 0.00 0.00 0.00 Weir Type = Riser --- --- ---
Length (ft) = 50.00 0.00 0.00 0.00 Multi-Stage = Yes No No No
Slope (%) = 1.00 0.00 0.00 n/a
N-Value = .013 .013 .013 n/a
Orifice Coeff. = 0.60 0.60 0.60 0.60 Exfil.(in/hr) = 1.000 (by Contour)
Multi-Stage = n/a No No No TW Elev. (ft) = 0.00

Note: Culvert/Orifice outflows are analyzed under inlet and outlet control. Weir risers are checked for orifice conditions.
Stage (ft) Stage / Discharge
3.00
2.00
1.00
0 00
___T I
Elev (ft)
230.00
229.00
228.00
227.00
0.00 2.00 4.00 6.00 8.00 10.00 12.00 14.00 16.00 18.00 20.00 22.00 24.00
Total Q Discharge (cfs)
11
1

1
1

1

u
1

1
19
Hydrograph Summary Report
Hydraflow Hydrographs by Intelisolve v9.02
Hyd.
No. Hydrograph
type
(origin) Peak
flow
(cfs) Time
interval
(min) Time to
peak
(min) Hyd.
volume
(cuft) Inflow
hyd(s) Maximum
elevation
(ft) Total
strge used
(cuft) Hydrograph
description
1 Rational 8.073 1 8 5,812 ---- ------ ------ Pipe System A
2 Rational 21.13 1 8 15,216 ---- ------ ------ Pipe System B
3 Rational 5.989 1 5 2,695 ---- ------ ------ Area over Basin B
4 Combine 29.21 1 8 21,029 1, 2, ------ ------ 1+2
5 Combine 33.40 1 8 23,724 3,4 ------ ------ 3+4 Basin B Inflow
6 Reservoir 8.563 1 19 8,771 5 228.37 19,425 Basin B Outflow
WEF34_Basin_B.gpw Return Period: 25 Year Friday, Nov 16, 2007
Hydrograph Report
¦ Hydraflow Hydrographs by Intelisolve v9.02
' Hyd. No. 1
Pipe System A
Hydrograph type = Rational
' Storm frequency = 25 yrs
Time interval = 1 min
Drainage area = 1.770 ac
Intensity = 7.356 in/hr
OF Curve = MalcolmRal2.IDF

Friday, Nov 16, 2007
Peak discharge = 8.073 cfs
Time to peak = 8 min
Hyd. volume = 5,812 cuft
Runoff coeff. = 0.62
Tc by User = 8.00 min.
Asc/Rec limb fact = 1/2
Pipe System A
Q (cfs) Hyd. No. 1 -- 25 Year
' 10.00
8.00
6.00
4.00
' 2.00
0 00
20
Q (cfs)
10.00
8.00
6.00
4.00
2.00
' 0 2 4 6 8
' - Hyd No. 1
10 12 14 16 18 20 22
'L- 0.00
24
Time (min)
Hydrograph Report
21
. Hydraflow Hydrographs by Intelisolve v9.02
' Hyd. No. 2
Pipe System B
Hydrograph type = Rational
' Storm frequency = 25 yrs
Time interval = 1 min
Drainage area = 3.990 ac
' Intensity = 7.356 in/hr
OF Curve = MalcolmRal2.IDF

Friday, Nov 16, 2007
Peak discharge = 21.13 cfs
Time to peak = 8 min
Hyd. volume = 15,216 cuft
Runoff coeff. = 0.72
Tc by User = 8.00 min
Asc/Rec limb fact = 1 /2
' Pipe System B
Q (cfs) Hyd. No. 2 -- 25 Year
' 24.00

20.00

16.00

12.00
' 8
00
.

4.00

0 00
0 2 4 6 8
' - Hyd No. 2
Q (cfs)
24.00
20.00
16.00
12.00
8.00
4.00
i ' ' ' ' ' ' IN 0.00
10 12 14 16 18 20 22 24
Time (min)
'
22
Hydrogreph Report

draflow H
dro
ra
H
hs b
Intelisolve v9
02 Frida
No
16
2007
y
y
g
p
y . y,
v
,
' Hyd. No. 3
Area over Basin B
Hydrograph type = Rational Peak discharge = 5.989 cfs
Storm frequency = 25 yrs Time to -peak = 5 min
Time interval = 1 min Hyd. volume = 2,695 cuft
Drainage area = 0.770 ac Runoff coeff. = 0.95
Intensity = 8.187 in/hr Tc by User = 5.00 min
OF Curve = MalcolmRal2.IDF Asc/Rec limb fact = 1/2

' Area over Basin B
Q (cfs) Hyd. No. 3 -- 25 Year Q (cfs)

I 6.00
' 5.00
4.00
' 3.00
' 2.00
1.00
0 00
6.00
5.00
4.00
3.00
2.00
1.00
• 0.00
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
- Hyd No. 3 Time (min)
Hydrograph Report
1+2
Hyd. No. 4 -- 25 Year
Hydraflow Hydrographs by Intelisolve v9.02
' Hyd. No. 4
1+2
Hydrograph type = Combine
' Storm frequency = 25 yrs
Time interval = 1 min
' Inflow hyds. = 1, 2

Q (cfs)

' 30.00
25.00
20.00
1
' 15.00
10.00
5.00
0 00
Friday, Nov 16, 2007
Peak discharge = 29.21 cfs
Time to peak = 8 min
Hyd. volume = 21,029 cuft
Contrib. drain. area 5.760 ac

23
Q (cfs)
30.00
25.00
20.00
15.00
10.00
5.00

' 0.00
0 2 4 6 8 10 12 14 16 18 20 22 24
Time (min)
' Hyd No. 4 Hyd No. 1 Hyd No. 2
M Hydrograph Report
Friday, Nov 16, 2007
. Hydraflow Hydrographs by Intelisolve v9.02
' Hyd. No. 5
3+4 Basin B Inflow
Hydrograph type = Combine
' Storm frequency = 25 yrs
Time interval = 1 min
' Inflow hyds. = 3, 4

Q (cfs)

' 35.00
' 30.00
25.00
' 20.00
15.00
10.00
' 5.00
0 00
Peak discharge = 33.40 cfs
Time to peak = 8 min
Hyd. volume = 23,724 cuft
Contrib. drain. area 0.770 ac
3+4 Basin B Inflow
Hyd. No. 5 -- 25 Year

24
Q (cfs)
35.00
30.00
25.00
20.00
15.00
10.00
5.00

' 0.00
0 2 4 6 8 10 12 14 16 18 20 22 24
Time (min)
Hyd No. 5 Hyd No. 3 Hyd No. 4
Hydrograph Report
¦
Hydraflow Hydrographs by Intelisolve v9.02
' Hyd. No. 6
Basin B Outflow
Hydrograph type = Reservoir
Storm frequency = 25 yrs
Time interval = 1 min
Inflow hyd. No. = 5 - 3+4 Basin B Inflow
' Reservoir name = Bioretention B
Friday, Nov 16, 2007
Peak discharge = 8.563 cfs
Time to peak = 19 min
Hyd. volume = 8,771 cuft
Max. Elevation = 228.37 ft
Max. Storage = 19,425 cuft
' Storage Indication method used. Exfiltration extracted from Outflow.
Basin B Outflow
Q (cfs) Hyd. No. 6 -- 25 Year
' 35.00
30.00
25.00
' 20.00
15.00
10.00
' 5.00
0 00

25
Q (cfs)
35.00
30.00
25.00

20.00
15.00
10.00
5.00
0 10 20 30
Hyd No. 6 Hyd No. 5
40 50 60
XI Total storage used = 19,425 cuft
0- 0.00
70
Time (min)

Pond Report
26
' Hydraflow Hydrographs by Intelisolve v9.02 Friday, Nov 16, 2007
Pond No. 1 - Bioretention B
Pond Data
Contours - User-defined contour areas. Conic meth od used for volume calculation. Be gining Elevation = 227.00 ft
Stage / Storage Table
' Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (cult) Total storage (cuft)
0.00 227.00 12,292 0 0
1.00 228.00 14,872 13,560 13,560
2.00 229.00 16,933 15,890 29,450
' 3.00 230.00 18,499 17,708 47,158
Culvert / Orifice Structures Weir Structures
' [A] [B] [C] [PrfRsr] [A] [B] [C] [D]
Rise (in) = 18.00 0.00 0.00 0.00 Crest Len (ft) = 14.60 0.00 0.00 0.00
Span (in) = 18.00 0.00 0.00 0.00 Crest El. (ft) = 228.00 0.00 0.00 0.00
' No. Barrels = 1 0 0 0 Weir Coeff. = 2.60 3.33 3.33 3.33
Invert El. (ft) = 222.00 0.00 0.00 0.00 Weir Type = Riser --- --- ---
Length (ft) = 50.00 0.00 0.00 0.00 Multi-Stage = Yes No No No
Slope (%) = 1.00 0.00 0.00 n/a
N-Value = .013 .013 .013 n/a
Orifice Coeff. = 0.60 0.60 0.60 0.60 Exfil.(in/hr) = 1.000 (by Contour)
Multi-Stage = n/a No No No TW Elev. (ft) = 0.00
' Note: Culvert/Orifice outflows are analyzed u nder inlet and outlet control. Weir risers are checked for orifice conditions.
I
Stage (ft)
Stage / Discharge
Elev (ft)
230.00
229.00
228.00
0.00 2.00
Total Q
4.00 6.00
' ' 227.00
8.00 10.00 12.00 14.00 16.00 18.00 20.00 22.00 24.00
Discharge (cfs)
u
w

J
J

1
27
Hydrograph Summary Report HydraflowHydrographsbylntelisolvev9.02
Hyd.
No. Hydrograph
type
(origin) Peak
flow
(cfs) Time
interval
(min) Time to
peak
(min) Hyd.
volume
(cuft) Inflow
hyd(s) Maximum
elevation
(ft) Total
strge used
(cult) Hydrograph
description
1 Rational 9.644 1 8 6,944 ---- ------ ------ Pipe System A
2 Rational 25.25 1 8 18,178 ---- ------ ------ Pipe System B
3 Rational 7.105 1 5 3,197 ---- ------ ------ Area over Basin B
4 Combine 34.89 1 8 25,122 1, 2, ------ ------ 1+2
5 Combine 39.87 1 8 28,320 3,4 ------ ------ 3+4 Basin B Inflow
6 Reservoir 13.09 1 18 13,296 5 228.49 21,366 Basin B Outflow
WEF34_Basin_B.gpw Return Period: 100 Year Friday, Nov 16, 2007
Hydrograph Report
28
Hydraflow Hydrographs by Intelisolve v9.02
Hyd. No. 1
Pipe System A
Hydrograph type = Rational
t Storm frequency = 100 yrs,
Time interval = 1 min
Drainage area = 1.770 ac
' Intensity = 8.788 in/hr
OF Curve = MalcolmRal2.IDF

'
Q cfs

' 10.00
8.00
6.00
4.00
1
2.00
0 00
Friday, Nov 16, 2007
Peak discharge = 9.644 cfs
Time to peak = 8 min
Hyd. volume = 6,944 cuft
Runoff coeff. = 0.62
Tc by User = 8.00 min
Asc/Rec limb fact = 1/2
Pipe System A
Hyd. No. 1 -- 100 Year
' 0 2 4 6 8
---- Hyd No. 1
10 12 14 16 18 20 22
Q (cfs)
10.00
8.00
6.00
4.00
2.00
'X- 0.00
24
Time (min)
Hydrograph Report
29
Hydraflow Hydrographs by Intelisolve v9.02
' Hyd. No. 2
Pipe System B
Hydrograph type = Rational
' Storm frequency = 100 yrs
Time interval = 1 min
Drainage area = 3.990 ac
' Intensity = 8.788 in/hr
OF Curve = MalcolmRal2.IDF

Friday, Nov 16, 2007
Peak discharge = 25.25 cfs
Time to peak = 8 min
Hyd. volume = 18,178 cuft
Runoff coeff. = 0.72
Tc by User = 8.00 min
Asc/Rec limb fact = 1/2
Pipe System B
Q (cfs) Hyd. No. 2 -- 100 Year
' 28.00
24.00
20.00
16.00
12.00
8.00-
4,00
' 0.00
0 2 4 6 8
Hyd No. 2
Q (cfs)
28.00
24.00
20.00
16.00
12.00
8.00
4.00
' ' ' ' ' " 0.00
10 12 14 16 18 20 22 24
Time (min)

Hydrograph Report
Hydraflow Hydrographs by Intelisolve v9.02
Hyd. No. 3

' Area over Basin B
' Hydrograph type =
Storm frequency = Rational
100 yrs
Time interval = 1 min
Drainage area = 0.770 ac
' Intensity = 9.713 in/hr
OF Curve = MalcolmRal2.IDF

Friday, Nov 16, 2007
Peak discharge = 7.105 cfs
Time to peak = 5 min
Hyd. volume = 3,197 cuft
Runoff coeff. = 0.95
Tc by User = 5.00 min
Asc/Rec limb fact = 1/2
1
Area over Basin B
Q (cfs) Hyd. No. 3 -- 100 Year
' 8.00
' 6.00
' 4.00
' 2.00
1
0 00
30
Q (cfs)
8.00
6.00
4.00
2.00
0 1 2 3 4 5 6
' - Hyd No. 3
7 8
]w 0.00
9 10 11 12 13 14 15
Time (min)

Hydrograph Report

' 02
draflow Hydrographs by Intelisolve v9
H
y .
Hyd. No. 4
' 1+2
' Hydrograph type
Storm frequency = Combine
= 100 yrs
Time interval = 1 min
' Inflow hyds. = 1, 2

' +2
Q (cfs) 1 Hyd. No. 4 -- 100 Year
' 35.00
' 30.00
' 25.00
' 20.00
15.00
10.00
5.00
0 00
? I I ?i_F-I
31
Q (cfs)
35.00
30.00
25.00
20.00

F 1 1
0 2 4 6 8 10 12 14 16
' --- Hyd No. 4 Hyd No. 1 Hyd No. 2
Friday, Nov 16, 2007
Peak discharge = 34.89 cfs
Time to peak = 8 min
Hyd. volume = 25,122 cuft
Contrib. drain. area 5.760 ac
15.00
10.00
5.00
' I L- '"i` 0.00
18 20 22 24
Time (min)
Hydrograph Report
3+4 Basin B Inflow
Hyd. No. 5 -- 100 Year
. Hydraflow Hydrographs by Intelisolve v9.02
' Hyd. No. 5
3+4 Basin B Inflow
Hydrograph type = Combine
Storm frequency = 100 yrs
Time interval = 1 min
Inflow hyds. = 3, 4
Friday, Nov 16, 2007
Peak discharge = 39.87 cfs
Time to peak = 8 min
Hyd. volume = 28,320 cuft
Contrib. drain. area 0.770 ac
Q (cfs)
40.00
30.00
20.00
10.00
0 00

32
Q (cfs)
40.00
30.00
/ I C
20.00
10.00

L 0.00
0 2 4 6 8 10 12 14 16 18 20 22 24
' Hyd No. 5 Hyd No. 3 Hyd No. 4 Time (min)
i
Hydrograph Report
Hydraflow Hydrographs by Intelisolve v9.02
Hyd. No. 6
Basin B Outflow
Hydrograph type = Reservoir
' Storm frequency = 100 yrs
Time interval = 1 min
Inflow hyd. No. = 5 - 3+4 Basin B Inflow
' Reservoir name = Bioretention B
Friday, Nov 16, 2007
Peak discharge = 13.09 cfs
Time to peak = 18 min
Hyd. volume = 13,296 cuft
Max. Elevation = 228.49 ft
Max. Storage = 21,366 cuft
' Storage Indication method used. Exfiltration extracted from Outflow.
' Basin B Outflow
Q (cfs) Hyd. No. 6 -- 100 Year
40.00
30.00 .......___ _.... __.?__.n__?.?. _....., ?_... .?._,
' 20.00
' 10.00
0 00
33
Q (cfs)
40.00
30.00
20.00
10.00
0 10 20 30
' Hyd No. 6 Hyd No. 5
40 50 60
!LFPTTMl Total storage used = 21,366 cuft
=- 0.00
70
Time (min)
Pond Report 34
' Hydraflow Hydrographs by Intelisolve v9.02 Friday, Nov 16, 2007
Pond No. 1 - Bioretention B
Pond Data
' Contours - User-defined contour areas. Conic method used for volume calculation. Begining Elevation = 227.00 ft
Stage / Storage Table
' Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (cuft) Total storage (cuft)
0.00 227.00 12,292 0 0
1.00 228.00 14,872 13,560 13,560
2.00 229.00 16,933 15,890 29,450
' 3.00 230.00 18,499 17,708 47,158
Culvert / Orifice Structures Weir Structu res
' [A] [B] [C] [PrfRsr] [A] [B] [C] [D]
Rise (in) = 18.00 0.00 0.00 0.00 Crest Len (ft) = 14.60 0.00 0.00 0.00
Span (in) = 18.00 0.00 0.00 0.00 Crest El. (ft) = 228.00 0.00 0.00 0.00
No. Barrels = 1 0 0 0 Weir Coeff. = 2.60 3.33 3.33 3.33
Invert El. (ft) = 222.00 0.00 0.00 0.00 Weir Type = Riser
Length (ft) = 50.00 0.00 0.00 0.00 Multi-Stage = Yes No No No
Slope (%) = 1.00 0.00 0.00 n/a
' N-Value = .013 .013 .013 n/a
Orifice Coeff. = 0.60 0.60 0.60 0.60 Exfil.(in/hr) = 1.000 (by Contour)
Multi-Stage = n/a No No No TW Elev. (ft) = 0.00

Note: Culvert/Orifice outflows are analyzed under inlet and outlet control. Weir risers are checked for orifice conditions.
Stage (ft) Stage / Discharge
3.00-
2. 00 1.00 1.??.
0.00
V
0.00 2.00 4.00
' Total 0
Elev (ft)
230.00
229.00
228.00
_, 1 I I I I 1 I 1 1 227.00
6.00 8.00 10.00 12.00 14.00 16.00 18.00 20.00 22.00 24.00
Discharge (cfs)

1

1
1
1
1
1
1
1
1
1

1
Hydraflow Rainfall Report
35
Hydraflow Hydrographs by Intelisolve v9.02
Return
P
i
d Intensity-Duration-Frequency Equation Coefficients (FHA)
er
o
(Yrs) B D E (N/A)
1 0.0000 0.0000 0.0000 --------
2 74.0559 13.3000 0.8788 --------
3 0.0000 0.0000 0.0000 --------
5 83.5112 14.8000 0.8514 --------
10 82.6003 13.5000 0.8225 --------
25 118.9252 17.6000 0.8582 --------
50 137.0265 18.6000 0.8630 --------
100 157.1769 19.6000 0.8692 --------
File name: MalcolmRal2.IDF
Intensity = B / (Tc + D)^E
Friday, Nov 16, 2007
Return
Period Intensity Values (in/hr)
(Yrs) 5 min 10 15 20 25 30 35 40 45 50 .55 60
1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
2 5.76 4.65 3.92 3.40 3.01 2.70 2.45 2.25 2.08 1.93 1.81 1.70
3 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
5 6.57 5.43 4.64 4.07 3.63 3.28 3.00 2.76 2.57 2.40 2.25 2.12
10 7.49 6.16 5.25 4.60 4.10 3.71 3.39 3.13 2.91 2.72 2.55 2.41
25 8.19 6.90 5.98 5.29 4.75 4.32 3.97 3.67 3.41 3.20 3.01 2.84
50 8.95 7.59 6.60 5.86 5.27 4.80 4.41 4.08 3.81 3.57 3.36 3.17
100 9.71 8.27 7.22 6.42 5.79 5.28 4.86 4.50 4.20 3.93 3.70 3.50
Tc = time in minutes. Values may exceed 60.
Pronin files nnma• Ommnla nnn
Rainfall Precipitation Table (in)
Storm
Distribution 1-yr 2-yr 3-yr 5-yr 10-yr 25-yr 50-yr 100-yr
SCS 24-hour 3.00 2.20 0.00 3.30 4.25 5.77 6.80 7.95
SCS 6-Hr 0.00 1.80 0.00 0.00 2.60 0.00 0.00 4.00
Huff-1st 0.00 1.55 0.00 2.75 4.00 5.38 6.50 8.00
Huff-2nd 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Huff-3rd 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Huff-4th 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Huff-Indy 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Custom 0.00 1.75 0.00 2.80 3.90 5.25 6.00 7.10
(Page 1 of 6)
BK0125,90PGO1251

1

MAKE COUNTY, NC 238
LAURA N RIDDICK
REGISTER OF DEEDS
PRESENTED & RECORDED ON
86/870i2887 AT 11:38:61
STATE OF NORTH CAROLINA
REAL ESTATE EXCISE TAX: 16040
Book.-812598 PAGE:82261 - 012SS
NORTH CAROLINA GFNIERAL WARRANTY DEED
Excise Tax: 56,040.00 Parcel IdentifierNo. 1763-84-1077
Prepared by: Jeff Bandini, Parker Poe Adsms & Bernstein LLP, PO Box 389, Raleigh, NC 27602
Return to: Hold for County Attorney Box 46
Brief Description for the index: 125.76 acres, Tract 1, BM 2007, 1098
DEED made this 7 k day of June,
GRANTOR
between
GRANTEE
WENDELL FALLS DEVELOPMENT, LLC,
a North Carolina limited liability company
5660 She Forks Road, Suite 202
Raleigh, NC 27609
WAKE COUNTY, a political subdivision of"the State
of North Carolina
P.O. Box 550
Raleigh, NC 27602
The designation Grantor and Grantee as used herein shall include saki parties, their heirs, successors. and assigns, and shall
include singular, plural, masculine, feminine or nester as required by context.
WITNESSETK that Grantor, Air a valuable consideration paid by Grantee, the receipt of which is hererby acknowledged, has
and by these presents does grant, bargain, sell and convey unto Orarrtee in fee simple, subject to the easements and rights
reserved to Glamor and its suc ccuors and assigus in the anadrad cubit A• all that certain tot or parcel of land situated in
Marks Creek Township, Wake County, North Carolina and more particularly described as tbllows:
BEING all of that parcel or tract of land containing 125.76 acres, more or lass, lying in Marks Creek
TowmMp, Wake County, North Carolina, and nwm particularly shown as Tract "1" on that plat recorded in
Book of Maps 2007, Pages 1098 through 1101, Wake County Reg"rstry.
The property hereinabove described was acquired by Grantor by deeds recorded in Book 11755, Page 2606, Book 11814. Page
' 199, Book 11810, Page 205, Book 11817, Page 1539, Book I MO. Pays 1644, and Book 12314, Page 1705, Book 12315, Page
293, Book 12315, Page 298, Book 12353, Page 1973, Book 12353, Page 1978, Wake County Registry.
TO HAVE AND TO HOLD the aforesaid lot or parcel of land and all privileges and appurtenances thereon belonging to
Grantee in fee simple forever, subject only to due exceptions sex Rush Below:
' I. Ad valorem taxes for 2007 and subsequent years, which arc not yet due and payable.
2. Conservation Easenudtt and Declaration of Restrictions and Covenants dated June 7, 2007 and recorded in
Boole. Page ja3t Wake County Registry.
3. Those easements and rights reserved to Grantor sad its successors and assigns in the attached Exhibit
4. All restrictions. rights-of-way. and. cascomitsofrecord.
5. Any matters or encroachments that would be revealed by a current and accurate survey of the property.
Grantor covenants with Grantee that Grantor is seized of the subject property in fee simple, Grantor has the right to convey the
subject property in fee simple, title is marketable and free and clear of all encumbrances and Grantor will warrant and defend
the title against the lawful claims of all persotus whomsoever except for the exceptions hereinabove, stated.
Grantor makes no warranty or representation as to the condition of the property or any improvements thereon, including
without imitation, any intent or environmental defects in the property or in any improvements thereon and the serviceability or
fitness for a particular purpose of the property or any improvements thereon, and Grantee accepts the property and any
improvements thereon "AS IS" without recourse against Grantor.
Pttge 1 Of 5
RAL 357461vt
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BKO1259OPGO1252
7
IN WITNESS WHEREOF, Grantor has hereunto set Its hand and seal the day and year first above written .
WENDELL FALLS DEVELOPMENT, LLC
a North Carolina limited liability company
(SEAL).
G Fergu en, anage'
' By:
gwi- _(SF.AL)
Michael L. Jones. M er
STATE OF NORTH CAROLINA
COUNTY OF?-
' I certify that the following person(s) personally appeared before me this day, each acknowledging to me that he or she
voluntarily signed the foregoing document for the purpose stated thercbr and in the equity indicated: Gregory A. Fergason,
Manager of Weruletl Falk Development, LLC, a North Carolina k tad liability company.
Date: 3t jot AOD'J
0-1(w &dse?
Arum w STEPtIENSOM
NOTARY Pl76UC 08iciall of Niotary
' ? COUNTY, ff•C• k f-b i?Notary Public
N Publ s printed or typed name
My Commission Expires_t' dtA, 2t i , aCpg
' (AFFIX NOTARIAL STAMP-SEAL]

STATE OF NORTH CAROLINA
COUNTY OF Way- e
I certify that the following parson(s) personally appvmd before me this day, each acknowledging to me that he or she
' voluntarily signed the foregoing document for the purpose stated therein and In the capacity indicated: Michael'L. Jones,
Manager of Wendell Falls Development, LLC, a North Carolina limited liability company.
Date:. Lt-Plf.. (,t ..1DO-11
' AMYW, S officiala t. W. ofN ary
?'HENSC?N
HARNEI?oC ?BVCp w to Notary Public
N•C. No lic N tary's printed or typed name
' My Commission Expires L4_1101001
[AFFIX NOTARIAL STAMP-SEAL]

' Page 2 of S
RAL 357461 r l

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8KO125,90POO1253
1

1

EXHIBIT A
RESERVATION OF EASEMENTS
Grantor, for good and valuable consideration, the receipt and sufficiency of which are acknowledged, hereby reserves
unto itself and Its successors and assigns the following rights, privileges and easements in, upon, across, over and through the
125.76-acre tract of land conveyed to Grantee la this General Warranty Deed (the "Propety")n
A perpetual, exclusive sanitary scwcr casement of varying widths (the "Sewer Easement"), more particularly
delineated as a "(20', 30' or 60'] City of Raleigh Sanitary Sewer Easement" or a "40' Diameter City of
Raleigh Sanitary Saw Manhole Easement Crypicaly, on that plat prepared by Withers & Ravenel, dated
January 29, 2007, and recorded in Plat Book 2007, Pages 1098-1101, in the, Wake County Registry (the
"Plat';
A perpetual, exclusive pump station easement, more particularly delineated as the "City of Raleigh Pump
Station Easement" on the Plat (the "Pump Station Easement!% and
A temporary construction easement for three (3) construction staging areas, each more particularly delineated
n a "Staging Area" on the survey attached hereto as Exhibit A_I and Incorporated herein by reference, and a
temporary consttvctim easement extending an additional twenty (20) feet on each side of the Sewer
Fanment and running tho length of the Sewer Easement-(collectively, the "Temporary Construction
Easement").
The Sewer Easement, Pump Station Easement and Temporary Construction Easement (collectively, the "Easement" or
'Easements') shall be used only for the following purposes: (i) to construct, install, improve, operate, use, impel, maintain,
repair, reconstruct, replace and/or remove a system of pipelines or mains and a pump station for sanitary sewer purposes,
together with all of the appurtenant facilities, fixtures and equipment necessary or convenient thereto (collectively, the
"Facilities"); and (if) to out and/or clew any or all vegetation and debris from the Famments and to change permanently the
grade and drainage of the land in such easement areas as Grantor deems reasonably necessary in exercising the rights reserved
hereunder.
' TO HAVE AND TO HOLD the Easements and all privileges and rights thereunto belonging unto Grantor and its
successors and assigns forever, subject to the following tams and conditions:
1. Grantor shalt have the right, but not the obligation, to remove and keep removed from the Easements all
trees, vegetation and other obstructions as necessary to maintain, repair or protect the sewer line or lines and appurtenances on
' the Easements. Notwithstanding the fo[agoing; Grantee will be allowed to plant and maintain shallow-tooted shrubs and other
landscape material within the Easement areas, provided all risk ofdamage to such material caused by maintenance or repair of
the sewer line and appurtenant facilities shall be with Grantee.
F

1

I I
2. Grantee shall make no use of the property encumbered by the Easements first interferes with the full,
reasonable use of the Easement areas by Grantor for sanitary sewer purposes.
3. Following the installation of a sanitary sewer main, ptanp station and appurtenant facilities within the Sewer
Easement and Pump Station Easement, the Temporary Concoction Easement shall terminate automatically, and the area
within the Easements shall be re-graded, mulched and reseeded or otherwise restored in accordance with generally accepted
landscaping and engineering practicas in such a manner as to restore, to the extent reasonably practicable, the affected areas to
their natural condition, subject to the provisions of this easement reservation.
4. Grantor and its contractors and agents shall be entitled to have aeeess to the Easement area from the nearest
public road that shall cause the least praaical inconvenience to Grantee and such other route(s) as may be approved by Grantee
in its sole discretion,
5. Grantee acknowledges and agrees that Grantor intends to, and is authorized to, dedicate and convey all or
part of the Easements and other rights reserved in this Deal to the City of Raleigh fbr public purposes without notice to, or the
prior consent of, Grantee. To the extent necessary to effectuate such dedication and conveyance, Grantee agrees to cooperate
with Grantor in connection with such dedication and to sign any additional documents or deeds required for the dedication of
the Easements to the City of Raleigh.
6. If Grantee desires to connect to the utilities to be constructed on the Easements, Grantee shall pay all tap fees
and other costs associated with such connection.
7. Grantee acknowledges and agrees that the location of the Easements as shown on the Plat is subject to
change by the City of Raleigh based on the City's review and approval of the construction documents for the planned sewer
and pump station facilities. If the City of Raleigh requites the relocation of the Easements from the locations currently shown .
on the Plat, Grantee agrees to cooperate with Grantor and the City of Raleigh to execute such additional documents or desk
and a new plat for recordation showing the relocated Easements, provided that Grantee shall bear no cost for the preparation of
such additional documents or plat.
S. Grantor agrees that its use of the "20' Access Easement(s]," as shown on the attached Exhibit A-1. in
connection with the Temporary Construction Easement shall not unreasonably imterfem with or disrupt the development and
Page 3 of 5
RAL 351461v 1

' (page 4 'of 6)
BKO125POPGO1254
use of the Ind adjamt: to the Property over which such access ame ments are located (the' School Thcej for public school
' purposes. Grantor agrees to cooperate In good faith with the grantee of the School Tract to relocate such access casements over
the School Tract as reasonably necessary to comply with Grantor's obligations under this paragraph.
By Grantee's acceptance of the delivery and the recording of this General Warranty Deed, together with Grantor's
awelse of the rights and privileges reserved hereunder, Grantee acknowledges and agrees to be bound by the terms and
conditions ofthis Deed and this Reservation of Easements in this Exhibit A.

' Page 4 of 5
RA1, 3574610
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BKO1259OPGO1255
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BK012590PG01256
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BOQK:812S98 RAGE:812SI - 81256
Yellow probate sheet Is a vital part of your recorded document.
Please retain with original document and submit for rerecordiug.
Wake County Register of Deeds
Laura M. Riddick
Register of Deeds
er Gronp M Document
f of rime Stamps Needed New Tine Stamp
# of Pages .

C 1 of 7)
011817PGO1539

1
1
WAKE COUNTY, NC 338
LAURA h RIDDICK
REGISTER OF DEEDS
PRESENTED 8 RECORDED ON
02115!2006 AT 14:52:23
STATE OF NORTH CAROLINA
REAL ESTATE EXCISE TAX: $14280
BOOK:011817 PAGE:01539 - 01545
NORTH CAROLINA GENERAL WARRANTY DEED
Excise Tax: $14,280.00 Recording Time Book and Page
Tax Lot No. 0045034 Parcel Identifier No.: 1773.03-11-6988
Mail after recording to: Maupin Taylor, P.A. (Box 144)
This instrument was prepared by: Barry D. Mann of Manning Fulton & Skinner P.A.
Brief description for the Index: 10611 Poole Road
THIS DEED made as of the 151h day of February, 2006 by and between
' GRANTOR GRANTEE
LAWRENCE ROBERTSON MATTOX,
' unmarried, JOHN ROBERTS, unmarried, WENDELL FALLS DEVELOPMENT,
WILLIAM PAUL MATTOX and wife, LLC, a North Carolina limited liability
DONNA JAMES MATTOX, JAMES company
DWIGHT MATTOX, JR. and wife,
NANCY MITCHELL MATTOX, MARTY 5660 Six Forks Road, Suite 202
ALLEN and wife, ANN LEDFORD Raleigh, North Carolina 27609
' ALLEN, and THOMAS BARRY and wife,
FRANCES LEDFORD BARRY
The designation Grantor and Grantee as used herein shall include said parties, their heirs, successors,
and assigns, and shall include singular, plural, masculine, feminine or neuter as required by context
WITNESSETH, that the Grantor, for a valuable consideration paid by the Grantee, the receipt of
which is hereby acknowledged, has and by these presents does grant, bargain, sell and convey unto
the Grantee in fee simple, all that certain lot or parcel of land situated in Marks Creek Township,
Wake County, North Carolina and more particularly described as follows:
See Exhibit A attached hereto and incorporated herein by reference.
465792.19687.722858 1
Page 2 of 7)
K011817PGO1540
TO HAVE AND TO HOLD the aforesaid lot orparcel of land and all privileges and appurtenances
thereto belonging to the Grantee in fee simple.
And the Grantor covenants with the Grantee, that Grantor is seized of the premises in fee simple, has
the right to convey the same in fee simple, that title is marketable and free and clear of all
encumbrances, and that Grantor will warrant and defend the title against the lawful claims of all
persons whomsoever except for the exceptions hereinafter stated.
Title to the property hereinabove described is subject to the following exceptions:
This property is conveyed subject to restrictions and easements of record affecting
said property and to 2006 ad valorem taxes, not yet due and payable.
465792.19687.T22858 2
ge 3 of 7)
(KO 1 1817PGO 1541
1
IN WITNESS WHEREOF, the Grantor has hereto set his hand the day and year first above
written.
Lawrence Robertson Mattox
gpgvv &L?4

H

L

1
465792.19687.T22858
Vohn Robert
William Paul Mattox
AAA-1 0APU,1v
Donna Ja es Mattox
James Dxijght N(.attox, Jr.
No

nc Mitche attox
M y AI1en
Ann Ledford Al en
`
Thomas Barry
dfM ,-D
Frances L fo Barry
Page 4 of 7)
K011817PG01542
'
STATE OF NORTH CAROLINA
COUNTY OF WAKE
' I, the undersigned Notary Public, certify that Lawrence Robertson Mattox personally
appeared before me this day and acknowledged the due execution of the foregoing instrument for the
' purposes therein expressed.
Witness my hand and Notarial Stamp/Seal this day o February, 2006.
HARRY Q. MANN, Notary Public &aWai.?
WAKE COUNTY, NORTH CAROLINA Notary Public
MY COMMISSION EXPIRES 09-26-2008
My Commission Expires: 04)ZArocg
r-
L
I I

1

STATE OF NORTH CAROLINA
COUNTY OF WAKE
I, the undersigned Notary Public, certify that John Roberts personally appeared before me this
day and acknowledged the due execution of the foregoing instrument for the purposes therein
expressed.
of F bruary, 2006.
Witness my hand and Notarial Stamp/Seal A: Awww"L
BARRY D. MANN, Notary Pubrc Notary Public
WAKE COUNTY, NORTH Ck?O'Ji?JA
MY COMMISSION EXPIRES 09-2&7.008
STATE OF NORTH CAROLINA
COUNTY OF WAKE
My Commission Expires: 00ng?
I, the undersigned Notary Public, certify that William Paul Mattox and Donna James Mattox
personally appeared before me this day and acknowledged the due execution of the foregoing
instrument for the purposes therein expressed.
Witness my hand and Notarial Stamp/Seal this 13t d of e ruary, 2006.
BARRY D. MANN, Notary Public li4o-tary Public
VIAKE COUNTY, NORTH Ck`OLINA ?p
kqy COMMISSION EXPIRES V?26-2008 My Commission Expires: v! Z$ C

1 465792.19687.T22858 4
Page 5 of 7)
KO11817PGO1543
1

1
1

1
0
7

?J
1

11
STATE OF NORTH CAROLINA
COUNTY OF WAKE
I, the undersigned Notary Public, certify that James Dwight Mattox, Jr. and Nancy Mitchell
Mattox personally appeared before me this day and acknowledged the due execution of the foregoing
instrument for the purposes therein expressed.
Witness my hand and Notarial Stamp/Seal this 13* day of February, 2006.
BARRY D. MANN, Nolery Public
WAKE COUNTY, NORTH CAROLINA
MY COMMISSION EXPIRES 09.28-2008 otary Public
STATE OF NORTH CAROLINA
My Commission Expires: 011 U 12e
COUNTY OF WAKE
1, the undersigned Notary Public, certify that Marty Allen and Ann Ledford Al len personally
appeared before me this day and acknowledged the due execution of the foregoing instrument for the
purposes therein expressed.
Witness my hand and Notarial Stamp/Seal this 1-54A day of February, 2006.
BARRY D. MANN, Notary Public JM4tj X4%-
WAKE COUNTY, NORTH CAROLINA
MY COMMISSION EXPIRES M28-2008 otary Public
STATE OF NORTH CAROLINA
My Commission Expires: 04128 2OOg
COUNTY OF WAKE
1, the undersigned Notary Public, certify that Thomas Barry'and Frances Ledford Barry,
personally appeared before me this day and acknowledged the due execution of the foregoing
instrument for the purposes therein expressed.
Witness my hand and Notarial Stamp/Seal this 1-5 '5 day of February, 2006.
BARRY D. MANN, Notary Public
WAKE COUNTY, NORTH CAROLINA
MY COMMISSION EXPIRES 09-28.2008
Anvl-
NLtary Public
My Commission Expires: 0912thoa
465792.19687.T22858
11
Page 6 of 7)
K011817PGO1544

EXHIBIT A
PROPERTY DESCRIPTION
MATTOX HEIRS
t BEING the property conveyed to W. E. Mattox by deed recorded in Book 356, Page 204, Wake
County Registry.
' Beginning at a pine stump near where Rock Branch empties into Mill Pond; thence runs S 87 Y2 E 65
- 75/100 chains to a blackjack, Marshburn's corner; runs thence South 2 %2 W 30 - 25/100 chains to
' a stake; thence South 71- 2/3 W 40 chains to a stake on the branch; thence down said branch on the
North side of the branch including the marsh of said branch to the high water mark on the mill pond;
thence with water mark of said mill pond to the beginning, it being a part of the land devised by
Nancy P. Price to Mary S. Mangum, and being the land conveyed to Joe A. Hood by Mary P.
' Mangum and D. H. Mangum her husband, containing two hundred and forty one acres, more or less,
being in Wake County, N. C. and adjoining the lands of William Marshburn and others.
AND SPECIFICALLY INCLUDING THE PROPERTY CONVEYED BY W. E. Mattox and wife,
Lottie Mattox to H. C. Crawford for a one acre tract by deed recorded in Book 983, Page 47, Wake
County Registry, and reconveyed by deed recorded in Book 9387, Page 1555, Wake County
t Registry.
LESS AND EXCEPT THE PROPERTY previously conveyed by deeds recorded in Book 456, Page
531 and Book 6153, Page 72, and as shown on a map recorded in Book of Maps 1994, Page 626,
Wake County Registry.
The property described above is the same property as Tracts 1, 2 and 3 as shown on that certain
boundary survey titled "Wendell Falls - Boundary Exhibit" dated December 1, 2005, and last revised
January 26, 2006, prepared by Withers & Ravenel Engineers/Planners/Surveyors.
0

475255.19687.722858 (v.1)
5

Page 7 of 7)
K0 11817PGO1545

1
1

1
BOOK:011817 PAGE:01539 - 01545.1
Yellow probate sheet is a vital part of your recorded document.
Please retain with original document and submit for rerecording.
Wake County Register of Deeds
wE Laura M. Riddick
COUNTY Register of Deeds
W HGAWLINA
North Carolina - Wake County
The foregoing certificate- of -
Notary(ies) Public is (are) certified to be correct. This instrument
and this certificate are duly registered at the date and time and in the book and
page shown on the first page hereof.
This Customer Group
a, # of Time Stamps Needed
Laura M. Riddick, Register of Deeds
By:
Assistant/Deputy Register of Deeds
This Document
New Time Stamp
ii of pages
22.004--7/1110
' E-34 Wendell Falls Elementary School CHERRY HUFFMAN Architects PA
' SECTION 02230 - EROSION AND SEDIMENT CONTROL
' PART1-GENERAL
1.1 SCOPE
A. Related work specified elsewhere
1. Site Demolition (Section 02050)
2. Clearing and Grubbing (Section 02200)
3. Earthwork (Section 02210)
4. Storm Drainage and Piping (Section 02700)
B. See plans for proposed initial erosion control measures. The plans have been reviewed
by the North Carolina Department of Environment and Natural Resources for compliance
with state law (Sedimentation and Pollution Control Act of 1973, and any subsequent
amendments). This Contractor shall request and receive from the Architect a copy of the
approval letter issued by the State.
C. See the NC Erosion and Sediment Control (E&S Manual) and any subsequent
amendments, for details, procedures and practices expected for compliance with these
specifications.
' D. The extent of major requirements is indicated on the drawings. This Contractor shall
adhere to the approved sequence of construction and installation of erosion control
measures as detailed. This Contractor shall be responsible for monitoring the
effectiveness of the erosion control measures, and repairing, replacing or modifying the
' control measures as required to effectively control siltation and erosion, including the
protection of public rights-of-way and points of storm water discharge.
E. No change orders or modifications to the Contract amount shall be allowed for relocation,
readjustments, or modifications to erosion control measures required to contain all
sediment on the site. This Contractor shall accept full responsibility for the performance
of containing all sediment on the site and any penalties that might be assessed to the
' Owner because of the failure of any measures shall be paid by this Contractor.
F. Temporary grassing shall be installed on all graded areas within 15 days of
disturbance as per the NC Department of Environment and Natural Resources E. & S.
' Manual, as contained herein, and on the drawings.
G. This Contractor shall purchase and maintain a copy of the E. & S. Manual for immediate
' reference at the job site at all times. Refer to this manual for details, procedures and
practices expected for compliance with these specifications.
H. This Contractor shall clean out all sediment trap and skimmer basins a minimum of once
' each month and as necessary to remain in compliance with Regulatory Standards and
perform a final cleaning, disposal of silt on-site, re-grade to remove the dams and stabilize
final finish grades per the requirements of the Contract.
' I. Submit samples of all erosion control products for review and approval prior to purchase
and installation.
1
1
PART 2-PRODUCTS
2.1 See the NC E.&.S. Manual for materials permitted with details required. This site shall be
deemed to be in the Piedmont geographical area of North Carolina.
EROSION AND SEDIMENT CONTROL 02230-1

1?

I?

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1

E-34 Wendell Falls Elementary School CHERRY HUFFMAN Architects, PA
2.2 Any materials not meeting the requirements of the Town of Wendell Standards must be
approved in writing by the Owner's Representative.
2.3 Details Used - See Plans.
2.4 Temporary Grassing: See Plans.
2.5 Temporary Silt Fence and Baffle Fence:
A. Fabric: Geotextile fabric may be a pervious sheet of polypropylene, nylon, polyester or
polyethylene yarn which is certified by the Manufacturer or Supplier to conform to the
following:
Filtering Efficiency: 85% (minimum)
Tensile Strength at 20% Elongation: 30 Ibs/lin. in. (minimum)
Slurry Flow Rate: 0.3 gals/SF/min. (minimum)
B. Posts: Metal posts are required. Posts must be the minimum length indicated on the
drawings and be sufficient to hold wire, fabric and full sediment load without failure.
C. Wire Fabric: Must be welded wire fabric of size and thickness detailed. New rolls of wire
or wire fabric must be used with no deformities or unusual bends.
D. Staples: As detailed.
2.6 Construction Entrances: Install where shown on the drawings or required by contract
conditions. All construction entrances must be repaired and reestablished like "new" each month
and maintained throughout construction. Tracking of mud and debris on adjacent paved drive
will not be allowed at any time. See detail on drawings.
2.7 Diversion Ditch: Install and maintain as shown on plans.
2.8 Temporary Sediment Basin or Inlet Structure: Install as detailed and specified. Maintain no
more than half of the allowed sediment storage at any time.
2.9 Turf Reinforcement Matte (TRM) shall be similar or equal to "PYRAMAT" by SI Geosolutions.
Contact information is [phone] or [phone] or www.fixsoil.com. Any proposed
substitute must meet High performance Turf Reinforcement Mats (HPTRM) requirements.
2.10 Jute Mesh: Acceptable mesh will be a woven, undyed, unbleached Jute Matting supplied in 48"
min. widths weighing 0.92 lbs. per square yard with an open area of 60-65% similar to product
by Dayton Bag & Burlap [phone] or a biodegradable straw blanket, one
photodegradable net on topside fiber matrix supplied in 6.5 ft. wide rolls, similar to No. S75 by
North American Green [phone].
2.11 Inlet Protection: Use block and gravel as detailed. Maintain around curb inlets and drain
inlets for as long as area is denuded.
2.12 Temporary Sediment Trap and Skimmer Basins: Install as detailed. Maintain no more than half
of the allowed sediment storage at any time.
2.13 COIR Fiber Matting (if used, see plans):
A. Provide matting that meets the following requirements:
100% coconut fiber (coir) twine woven into a high strength matrix
Thickness - 0.30 in. minimum (7.6 mm)
EROSION AND SEDIMENT CONTROL 02230-2
' E-34 Wendell Falls Elementary School CHERRY
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Tensile Strength - 1348 X 626 lb/ft minimum
(1650.5 X 766.5 kg/m)
Elongation - 34% X 38% maximum
' Flexibility (mg-cm)- 65030 X 29590
Flow Velocity - Observed 11 ft/sec (3.35 m/s)
Weight - 20 oz/SY (678 g/SM)
Size - 6.6 X 164 ft (120 SY) or (100 SM)
"C" Factor = 0.002
Open Area (measured) - 50%
B. Staples - Provide staples made of 0.125 in. (3.05 mm) diameter new steel wire formed into a
' "U" shape not less than 12 in. (300mm) in length with a throat of 1 in. (25 mm) in width.
' PART 3 - EXECUTION
3.1 This Contractor shall follow the approved Sequence of Construction shown on the plans and all
measures shall be installed and maintained as per the NC E&S Manual and approved plan.
3.2 Obtain an inspection and approval from the NC DENR Inspector or Owner's Representative for
measures required prior to beginning any grading operations.
' 3.3 Install and maintain all erosion control measures as required. See plans for location and extent.
3.4 Temporary Grassing: Prepare seed bed so that it is well-pulverized, loose and uniform. Apply
lime according to soil test recommendations or at rates indicated here within. Add fertilizer at
rates indicated and incorporate into the top 4-6 inches of soil. Evenly apply seed type at the
indicated rates based on site location and time of year. Mulch area with straw and tack with
asphalt, netting or other approved mulch anchoring tool. A disc with blades set nearly straight
' can be used as a mulch anchoring tool if properly executed.
A. Maintain temporary "Fall" grassing by repairing and refertilizing damaged areas
immediately. Top dress with 50 Ibs/acre of nitrogen in March. If necessary to extend
' temporary cover beyond June 15, overseed with 50 Ibs/acre Kobe (Piedmont and Coastal
Plain) or Korean (Mountains) Lespedeza in late February or early March.
' 3.5 Install "Temporary Pipe Protection" at the end of each day's work or immediately prior to
imminent storm activity.
3.6 Install and maintain "Turf Reinforcement Mat" according to manufacturers recommendations
' and where indicated on the drawings. Do not remove Turf Reinforcement Mat after
establishment of grassing.
3.7 Install and maintain COIR Fiber Matte (erosion control blanket) and Jute matting per
' manufacturers recommendations.
3.8 Remove all temporary erosion control measures when approved by the NC DENR Inspector
' and the Architect at the project's end. Repair all grassed areas affected by removal of
temporary measures to the complete satisfaction of the Owner and the Town of Wendell.
END OF SECTION 02230
1

EROSION AND SEDIMENT CONTROL 02230-3
' E-34 Wendell Falls Elementary School CHERRY HUFFMAN Architects, PA
1
SECTION 02700 - STORM DRAINAGE AND PIPING
'
PART 1 - GENERAL
' 1.1 SCOPE
A. Related work specified elsewhere:
' 1. Earthwork (Section 02210)
2. Erosion & Sediment Control (Section 02230)
' B. Work included in this Section:
1. Installation of Storm Drainage Structures and Piping.
t 2. Temporary Protection of Work in progress.
1.2 INDUSTRY STANDARDS
A. Reference: Some products and execution are specified in this section by reference to
published specifications or standards of the following with respective abbreviations used:
The American Society for Testing and Materials (ASTM)
North Carolina Roadway Standard Drawings (most recent edition)
North Carolina Department of Transportation (NCDOT) Standards Specifications for
Roads and Structures, latest edition, (919-733-7430).
B. Manufacturers: For purposes of designating type and quality for the work under this
section, the drawings and these specifications are based on products manufactured or
furnished by manufacturers or suppliers listed. Products of the following manufacturers
will be acceptable if equal to those specified herein and on the drawings, when approved
in writing by the Architect:
1. Grates & Frames:
East Jordan Ironworks, Apex, NC [phone]
McKinley Ironworks, Fort Worth, TX [phone]
Neenah Foundry, WI (919-588-0008)
2. Plastic Drainage Pipe:
ADS, Advanced Drainage Systems, Inc., Raleigh, NC 27603 [phone]
Crumpler Plastic Pipe, Inc., Roseboro, NC [phone]
Hancor, Inc., Raleigh, NC [phone]
C. Town of Wendell Standards: All storm drainage installation shall meet or exceed Town of
Wendell published requirements and standards.
PART2-PRODUCTS
2.1 MATERIALS
STORM DRAINAGE AND PIPING 02700-1
E-34 Wendell Falls Elementary School CHERRY HUFFMAN Architects, PA
A. Concrete: See Section 02520 for concrete requirements; Standard weight, with minimum
compressive strength of 4,000 psi at 28 days.
! B. Masonry Mortar: Type "M" mortar complying with requirements of ASTM C 270-73.
Mortar shall consist of 1 part Portland cement, 1/4 part hydrated lime, and 2 parts sand.
C. Brick: Standard weight concrete masonry units, modular size, conforming to ASTM C 55-
71, Grade N-1.
! D. Concrete Pipe: Modified tongue and grooved.
1. Reinforced: ASTM C-76, Class III.
! 2. Fittings: Pre-formed gasket joints complying with AASHTO M-198-B and federal
specification number SS-SO-0021A.
E. Rip-Rap: See Section 1042 of NCDOT Specifications for Class stone noted.
F. Drainage Stone: hard, durable, uncoated gravel or crushed stone conforming to ASTM C
33-71a. Size of aggregate shall conform to NCDOT standard size #57M.
! G. Polyvinyl Chloride (PVC) Piping and Fittings: PVC pipe and fittings shall be rigid type
PSP, SDR35 meeting ASTM D3033 or type PSM, SDR35, meeting ASTM D3034. The
! pipe shall be homogeneous throughout and free from visible cracks, holes, foreign
materials, blisters, wrinkles, dents and ultraviolet discoloration. All pipe shall be
continuously and permanently marked with manufacturer's name or trademark, schedule
and size of pipe.
' H. Drainage structure steps: Steps are to be manufactured from high tension iron which has
a min. tension strength of 35,000 lbs. Per square inch with scored tread to meet safety
requirements, similar or equal to Neenah #R-1980-0 or 1/2" grade 60 steel coated with
! copolymer polypropolyene plastic meeting ASTM C-478, ASTM D-4101, ASTM A-615 and
AASHTO-M-199.
! I. Cast iron grates, frames, and lids: See details on drawings; East Jordan catalog #'s used,
other equal manufacturers accepted.
J. Cast Iron Roof Drainage Adapter: Submit cut sheets and manufacturers specifications for
the cast iron drainage adapters (boots) similar or equal to Neenah #R-4926-29 Series
Downspout Shoes (Rainwater Leaders), compatible with sizes and materials used for roof
drain downspouts. Submit no-hub coupling for connection to PVC pipe. Obtain approval
! of submittals from Architect prior to purchase and installation. See Plans for the locations
of downspouts.
K. Corrugated Plastic Pipe (CPP): Perforated, corrugated, black polyethylene drainage
tubing with pre-manufactured "snap-tite" joints and protective geotextile fabric sleeve.
See acceptable manufacturers listed in 1.2., b. (2) above.
L. Magnetic Locator Tape: This tape shall be 4" wide minimum. Submit for review and
' approval prior to purchase and installation.
! 2:2 STRUCTURES
A. Curb Inlets and Drain Inlets shall be as per details on the drawings unless located in
NCDOT or Town Wendell right-of-way where their standards control design and
! installation.
' STORM DRAINAGE AND PIPING 02700-2
' E-34 Wendell Falls Elementary School CHERRY HUFFMAN Architects, PA
B. Pre-fabricated concrete boxes meeting all NCDOT and project requirements will be an
' acceptable substitute for "in place" masonry construction if submitted for review and
approval by Architect according to the Contract requirements.
' PART 3 - EXECUTION
3.1 TRENCHING
' A. Trenches shall not be excavated wider than necessary to work safely and efficiently. The
minimum trench width at the top of the pipe shall be at least 18 greater than the outside
diameter of the pipe. Excavate bottom of trench to fit curve of pipe. Trenches shall have
' uniform slope to accommodate the storm drainage lines as designed.
B. The bottom of the trench shall be solid, compacted earth. If the trench is inadvertently cut
too deep, or soft spots are encountered, bring the bottom of the trench to grade using well
' tamped, fine crushed stone or compacted as specified in Section 02210.
C. See plans for location and details for Groundwater Intercept Drains and Pipe Sub-Drains.
' Refer to soils report for information addressing ground water on the site.
D. Slopes: Invert elevations shall take precedence over percentage slopes indicated. No
pipes may be installed at less than one percent (one foot per 100 feet) gradient. Notify
' the Architect if any inverts indicated and distances between drainage structures require a
gradient less than 1 %.
' E. Install Corrugated Plastic Pipe (CPP) according to ASTMD 2321-89 including recent
amendments and manufacturers recommendations.
F. Protect trench slopes. No standards less than OSHA will be accepted.
' G. Install magnetic locator tape at all underground non-metallic pipe installations. This tape
shall be buried at a depth of 12 inches below the top surface of earth and 12 inches below
top of subgrade at pavement and walks.
3.2 LAYING PIPE
' A. When laying pipe, the bottom of the trench shall not be more than 0.02 feet (+ or - 1/4")
from the precise grade at any point. Do not complete excavation of any trenches in which
pipe cannot be laid the same day. Lay all pipe on a true line and grade using proper
'
B equipment for the situation. Inverts indicated have priority over slopes indicated.
. All joints shall be laid with pre-formed plastic gaskets.
C. Each joint of pipe shall set on a solid bed to prevent settlement according to NCDOT
' standard specifications.
D. Install temporary cap-plug in end of pipe when work is temporarily halted.
' 3
3 DRAINAGE STRUCTUR
. ES
A. Curb inlets, junction boxes, drain inlets, and other structures shall be constructed as
detailed and s
ecified herein
p
.
B. All frames shall be set in a full bed of mortar as detailed. Minimum 0.5"depth.

STORM D RAINAGE AND PIPING 02700-3
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C. Locations shall be coordinated with adjacent improvements and properly aligned for curbs
or walks involved.
D. Inlet and outlet pipes shall be extended through the inlet box wall for sufficient distance
beyond the outside surface to allow for connections, and the masonry around them shall
be constructed neatly, so as to prevent leakage along their outer surface.
E. No pipes, cables or other structures shall be built into or through these structures except
the attendant drainage pipes.
F. Form inverts in the bottom as detailed or as required by Town of Cary or NCDOT.
3.4 INSPECTION
A. The Contractor shall notify the Architect in ample time to permit inspection of assembled
underground piping before backfilling is to begin.
B. The Contractor shall be prepared to remove any grates or manhole lids if requested by
the Owners' Representative to allow for visual inspection of basin bottoms.
C. The Contractor shall flush out all storm drain lines of any sediment buildup prior to final
inspection by Architect and acceptance by the Owner.
D. The Contractor shall provide an adequate light source at the end of each line segment to
permit visual inspection from the other end.
END OF SECTION 02700
STORM DRAINAGE AND PIPING 02700-4
E-34 Wendell Falls Elementary School CHERRY HUFFMAN Architects, PA
SECTION 02900 - LANDSCAPING
' PART 1-GENERAL
1.1 SCOPE
' A. Related Work Specified Elsewhere:
' 1. Earthwork (Section 02210)
2. Erosion & Sediment Control (Section 02230)
B. Work Included in This Section: Furnish all materials, equipment, and labor for the planting
' of shrubs, trees, seed, protection maintenance, mulching of plant beds and grass areas,
guarantee and replacement; coordination with other trades and related items required to
complete the work indicated on the drawings and as specified, including but not limited to:
' 1. Existing soil preparation & fertilizing, including placement of topsoil.
2. Removal of noxious weeds and 'policing' tree mass areas to remain.
3. Placement of bio-retention soils and prepared planting media including additives.
4. Seeding of grass.
' 5. Placement of Bermuda Sod.
6. Planting of trees and shrubs.
7. Mulching of all plant beds.
' 8. Maintenance requirements, guarantees and warranties.
1.2 INDUSTRY STANDARDS
' A. References: Some products and execution are specified in this Section by reference to
published specifications or standards of the following (with respective abbreviations used):
' The American Society for Testing and Materials (ASTM).
American Association of Nurserymen (AAN).
U.S. Dept. of Agriculture (USDA).
N.C. Department of Agriculture (NCDA).
' Applicable sections of the Standard Specifications for Roads and Structures, latest
edition, by the North Carolina Department of Transportation (NCDOT).
' B. Landscape Contractor shall mean a registered "Landscape Contractor" as defined by the
General Statutes of North Carolina. Unless proper credentials and evidence of
experience can be supplied to the Architect to substantiate equal capabilities, only a
Landscape Contractor licensed in North Carolina shall be permitted to perform this work.
NOTE: This landscape firm shall have successfully completed five (5) projects of similar
size to this project within the past five (5) years.
' 1. The Landscape Contractor's performance shall be required to conform to the
recommendations provided in the most current edition of the NC Landscape
Contractors Manual (NCLCM) as approved by the NC Board of Landscape
Contractors. Conformance to the NCLCM includes conformance with
' recommendations of the NC Cooperative Ext. Service publication, Carolina
Lawns. In the event that the Contractor believes there is an inconsistency between
the NCLCM and requirements of this Contract that could effect the quality of work; it
is the Contractor's responsibility to discuss the situation with the Architect and
Owner's Representative.
C. Substantial Completion (Initial Acceptance) by the Owner shall be established at an
' inspection by the Architect to be performed after the Contractor has completed the
' LANDSCAPING 02900-1

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installation and prepared a detailed list of deficiencies to be corrected prior to Final
Completion. The Substantial Completion inspection will set the beginning and ending
dates of the guarantee period and define the Owners' required maintenance to be
performed during the guarantee period.
D. Final Completion shall be determined by an inspection by the Architect after the
Contractor has completed all items identified in the punch list prepared during the
Substantial Completion inspection.
E. Final Acceptance by the Owner shall be at the end of the guarantee period, and upon
completion of any plant replacements required.
1.3 Schedule and Requirements for Lawn Grassing and Establishment of Sodding on the Multi-
Purpose Field:
A. Substantial Completion (Initial Acceptance) by the Owner shall be established at an
inspection by the Architect to be performed after the Contractor has completed the
installation and prepared a detailed list of deficiencies to be corrected before Final
Completion. The Substantial Completion inspection will set the beginning and ending
dates of the guarantee period and define the Owners' required maintenance to be
performed during the guarantee period.
Site Seeding (Lawn Grassing): If the Contractor fails to Substantially Complete the
installation of lawn grassing by seeding operations on or before July 1. 2008, the
Owner shall assume the responsibility for the installation of permanent grassing by
installing sod in the areas and shall deduct a lump sum of 25 000 from the Contract
Amount to cover the cost of the installation of sod and the other damages incurred by
the Owner due to the Contractor's failure to complete this work. Due to seasonal
restrictions this date shall not be extended. Extension of the Contract Time for the
building shall not extend this date unless specifically stated in the approved Change
Order.
2. Multi-Purpose Field (Sodding): If the Contractor fails to Substantially Complete the
installation of sod on the multipurpose field on or before July 1. 2008, the Owner
shall assume the responsibility for the installation of sodding the field and shall
deduct a lump sum of 50 000 from the Contract Amount to cover the cost of the
installation of sod and the other damages incurred by the Owner due to the
Contractor's failure to complete this work. Due to seasonal restrictions this date
shall not be extended. Extension of the Contract Time for the building shall not
extend this date unless specifically stated in the approved Change Order.
1.4 SUBMITTALS
A. Guarantees: Submit guarantee in writing (in duplicate) stating terms of guarantee, name
of Landscape Contractor, name of Owner, name of Project, location, and dates of
guarantee.
B. Project Schedule: Prior to 30 calendar days of beginning landscaping work as defined
herein, submit a proposed time schedule indicating estimated dates for beginning and
completing the following operations:
1. Landscape Product and Material Submittals.
2. Delivery of materials including placement of topsoil
3. Preparation of seedbeds, sodded areas and planting beds.
4. Common Bermuda Grass Seeding.
5. Hybrid Bermuda Sodding.
LANDSCAPING 02900-2
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E-34 Wendell Falls Elementary School CHERRY HUFFMAN Architects, PA
6. Container grown Shrub and groundcover Planting.
7. Balled & Burlapped Tree Planting
8. Plant bed Mulching.
The Substantial Completion Date for Landscaping the Entire Site is August 1 2008
C. Maintenance: Prior to 14 calendar days from beginning Seeding, Planting and Sodding
operations; submit to the Architect, with copy to the Owner, a typewritten outline of
maintenance procedures to be followed by the Landscape Contractor during
establishment of the project landscaping. This Contractor will maintain all of the
landscape work prior to Substantial Completion (Initial Acceptance by the Owner). The
outline shall conform to the requirements of the Contract and recommendations provided
in the most current edition of the NC Landscape Contractors Manual as approved by the
NC Board of Landscape Contractors.
D. Materials:
1. Manufacturer's names and data relating to planting fertilizers, soil, and additives shall
be submitted for approval.
2. Two (2) bagged samples of double shredded pine bark mulch shall be submitted for
approval.
3. Two (2) bagged samples of triple-screened topsoil shall be submitted for approval.
E. Certificates of Inspection: The Landscape Contractor shall be responsible for all
certificates of inspection of plant materials that may be required by federal, state, or other
authorities to accompany shipments of plants.
F. Inspection: The Landscape Contractor may request an inspection of plant materials by
the Architect or his authorized agent to confirm quality, size and variety of plant materials
prior to installation at the site. This preliminary inspection shall not in any way impair the
right of rejection for failure to meet other requirements during progress of work.
G. Sub-Contractors: All sub-contractors must be approved by the Architect in writing.
H. Maintenance Schedule during Guarantee Period: Submit to the Owner, with copy to
Architect, typewritten instructions outlining procedures to be established by the Owner for
maintenance of landscape work during the guarantee period. Submit to Architect for
approval 30 days prior to Substantial Completion.
PART 2 - PRODUCTS
2.1 MATERIALS
A. Gravel or Crushed Stone: (used for drainage) shall be a mixture of crushed gravel so
graded that 100% by volume shall pass a 1 1/2" screen and shall be equal to NCDOT
standard size # 57M.
B. Fertilizer: Shall be slow release commercial fertilizer delivered to the site in unopened
original containers each bearing the manufacturer's guaranteed analysis. Any fertilizer
that becomes caked or otherwise damaged shall not be accepted. Fertilizer shall contain
a 10-10-10 ratio of nitrogen, phosphate, and potash, unless otherwise determined by soil
test and analysis.
C. Lime: Lime shall be dolomitic ground limestone meeting NCDA requirements for
agricultural limestone.
I LANDSCAPING 02900-3
E-34 Wendell Falls Elementary School CHERRY HUFFMAN Architects PA
t
D. Mulches:
' 1. Plant beds and saucers shall be mulched with a three (3) inch layer of triple-
shredded pallet mulch that has been dyed dark brown color using iron-oxidized
pigment that is applied to the mulch with an atomization system. Mulch is to be free
' of metal, foreign objects, yard waste, tree debris. Weeds and insects. Bark nuqqets
shall not be acceptable.
' 2. Seeded areas, including areas to receive re-vegetative cover, shall be mulched with
clean grain straw, free of pests and blight and tacked with asphalt emulsion, type
RS or CRS, at the rate of 10 gal. per 1,000 S.F.
' E. Decomposed organic matter: Provide any kind of aged ground (milled) bark that is non-
toxic to plants, of uniform texture and subject to decomposition.
F. Water: Water to be used in this work shall be furnished by the Landscape Contractor
unless otherwise noted. Equipment for watering the seed, sprigs, sod and plants,
including hoses as required, shall be furnished by the Landscape Contractor.
G. Triple Screened Topsoil: Screened topsoil furnished under the allowance shall be a
natural, fertile, friable soil, possessing characteristics of representative productive soils
in the vicinity. "Triple Screened Topsoil" has typically been sifted through three 1/2" x
1/2" sized screens and contains no rocks or debris that would hinder planting
operations. See Unit Prices and Allowance for supplying this product to the site for use
in the planting operations if the Owner desires.
' H. On-site Topsoil: On-site topsoil shall be stripped, stockpiled and triple-screened as
defined above on site to remove stones
stumps
roots
or similar
reater than %
" in
,
,
,
g
Z
size. On-site topsoil shall be without admixture or subsoil and shall be clean and
reasonably free from clay lumps, debris or other objects which might be a hindrance to
' planting operations. Topsoil must be coarser than the texture of the subsoil.
NOTE: This Contractor will be responsible for cleaning, screening and amending the topsoil
on site for his use. Debris or other objects that would hinder planting operations will not
' be acceptable in the topsoil.
1. Bio-retention Soil Mix:
' 1. Provide a Bio-retention soil using the three components listed below that will meet the
ASTM standards as follows as provided by Triangle Landscape Supplies, (919) 524-
6500.
Perma-till Fin
es 40%
Coarse Sand 45%
' Aged Pine Bark Fines 15%
Clay percentage will not exceed: 8%
Silt percentage will not exceed: 20%
Silt + Clay must not exceed: 20%
' Phosphorus index not to exceed: 30
a. The bio-retention soil mix shall be a uniform mix, free of stones, stumps, roots
or other similar objects larger than one and one half inch. No other materials
or substances shall be mixed or dumped within the bio-retention area that
may be harmful to plant growth or provide a hindrance to the planting or
LANDSCAPING 02900-4
' E-34 Wendell Falls Elementary School CHERRY HUFFMAN Architects, PA
' maintenance operations. The bio-retention soil shall be fee of noxious
weeds.
b. The bio-retention shall be tested and shall meet the following criteria:
pH range 5.2-7.0
' organic matter 1.5-4%
magnesium 35 lb./ac
phosphorus P2O5 75 lb./ac
' potassium K2O
soluble salts not to exceed 85 lb./ac
500
m
pp
c. All bio-retention areas shall have a minimum of one test per 200 cubic yards.
Each test shall consist of both the standard soil test for pH, phosphorus,
potassium and additional tests organic matter and soluble salts. A textural
analysis is required from the site stockpiled bio-retention soil.
' d. Since different labs calibrate their testing equipment differently, all testing
shall come from the same testing facility. Should the pH fall out of the
acceptable range, it may be modified (higher) with lime or (lower) with iron
' sulfate plus sulfur.
2. "Stalite" Rotary Kiln Expanded Slate Fines:
a. ASTM C29 Unit Dry Weight loose (48 Ibs/cf to 55 Ibs/cf)
b. ASTM C127 Specific Gravity to meet 1.45 to 1.60 Dry Bulk
C. ASTM C330 to meet the ASTM Gradation 1/2"- #4 size
1/2" to #4
Sieve Size % Passing
3/4" 100
1/2" 90-100
3/8" 40-80
#4 0-20
#8 0-10
d. Absorption (ASTM C127) to meet 5% or more.
e. The expanded slate must contain no clay lumps or any organic
impurities.
3. Course Sand:
a. Grain Size Distribution (ASTM C136-95A)
Sieve Size % Passing
3/8" 100
#4 95-100
#8 85-97
#16 60-80
#30 10-20
#50 5-15
#100 0-5
4. Probase:
a. Must be aged and fully decomposed pine bark humus screened to 1/2".
b. The screened bark humus must fall below the following limits:
' LANDSCAPING 02900-5

E-34 Wendell Falls Elementary School CHERRY HUFFMAN Architects, PA
Ammonia (NI4-N) 20 PPM
Magnesium (Mg) 5.0 PPM
Iron (Fe) 8.0 PPM
Manganese (Mn) 1.0 PPM
Copper (Cn) .10 PPM
Zinc (Zn) .15 PPM
Soluble salts 0.50 mmho/cm
pH must fall between 4.0 and 7.0
Plant Materials:
' 1. Plant list - a list of plants is shown on the landscaping plans and/or in these
specifications.
2. Nomenclature - the names of plants required under this contract conform to those
given in Hortus Third, Copyright © 1976 by Cornell University for its L. H. Bailey
Hortorium. Names of varieties not included therein conform generally with names
accepted in the North Carolina nursery trade.

3. Quantities - Quantities necessary to complete the planting design as shown and
located on the drawings shall be furnished by the Landscape Contractor. Quantities
shown in the plant list are for the convenience of Landscape Contractors and are
believed to be substantially correct, but the accuracy of quantities shown in the list
is not guaranteed. All labeled new plantings on the plan shall be installed where
indicated.
4. Quality and Size - Plants shall have a habit of growth that is normal for the species
and shall be sound, healthy, vigorous, and free from insect pests including fire ants,
plant diseases, and injuries and defects such as knots, sunscald, abrasions and
disfigurements. All plants shall equal or exceed the measurements specified in the
Plant List, which are minimum acceptable sizes. They shall be measured after
pruning, with branches in normal position. Any necessary pruning shall be done at
time of planting. Requirements for the measurements, branching, grading, quality,
balling and burping of plants in the Plant List generally follow the code of standards
and requirements of AN21Z60.1, American Standard for Nursery Stock latest
edition.
5. Do not make substitutions. Substitutions will be permitted only upon submission of
proof that any plant as specified is not obtainable during the scheduled planting
season, within 200 statute miles of the project location. Proof of the unavailability of
a plant must contain as a minimum, a list of ten nurseries within 200 miles that have
been checked by the Landscape Contractor for plant material in question. Written
authorization of the Architect will be required for any substitution. The nearest
equivalent obtainable size or variety of plant having the same essential
characteristics shall be used. No adjustment of the contract price shall be
permitted.
6. Plants designated "B&B" in the Plant List shall be balled and burlapped. They shall
be dug with firm, natural balls of earth of sufficient diameter and depth to
encompass the fibrous and feeding root system necessary for full recovery of the
plant. Balls shall be firmly wrapped with burlap or similar material and bound with
twine, cord, or wire mesh. Where necessary to prevent breaking or cracking of the
ball during the process of planting, the ball may be secured to a platform. Ball must
be kept moist and shaded until it is planted. The natural root collar of all B&B stock
shall be within 2 inches + or - of the root ball soil line as it occurred in the nursery.
LANDSCAPING 02900-6
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7. Plants designated "CON" in the Plant List are container grown plants. Any "B&B"
plants available in containers may be substituted at the discretion of the Landscape
Contractor. If stored on the site, they must be watered thoroughly at least once
every 48 hours. Do not remove "CON" stock from containers until planting time.
8. Label each group of trees and shrubs with securely attached waterproof tag bearing
legible designation of botanical and common name.
' a. Where formal arrangements or consecutive order of trees or shrubs are shown,
select stock for uniform height and spread, and label with number to assure
symmetry in planting.
9. Deliver trees and shrubs after preparations for planting have been completed and
plant immediately. The root zone of all plants not yet installed must be protected
from weather (freezing, drying and direct sunlight), and mechanical damage.
10. Grass seed shall be improved turf type Bermuda, "Jackpot" "Savannah" or other
variety approved by the Owner's Representative. All seed shall be certified seed
meeting all standards of purity as required by the United States Department of
' Agriculture.
11. No-mow vegetation grass mix shall be Appalo Sericea Lespedeza. Annual
Ryegrass and Weeping Lovegrass guaranteed to meet minimum purity standards of
' U.S.D.A.
12. Sod shall be T-10 Hybrid Bermuda. Provide machine cut, strongly rooted, certified
' turf grass sod, not less than 2 years old, free of weeds and undesirable native
grasses and stripped not more than 24 hours before laying. Sod pad size shall be
uniform thickness of 5/8", plus or minus 1/4", measured at the time of cutting and
excluding top growth and thatch. Provide in suppliers standard size of uniform
length and width with maximum allowable deviation of plus or minus 1/2" in width
and 5/8" in length. Sod pad should be able to support its own weight and retain its
size and shape when suspended vertically from a firm grasp on the upper 10% of
the sod pad.
J Pre-Emergent Herbicide: Herbicide shall be Ronstar-G as manufactured by Rhone-
Poulanc Corporation, or approved equal.
' K. Post-Emergent herbicide: Herbicide shall be Round-up by Monsanto, or approved equal.
L. Burlap for plant balls shall be untreated and readily decomposable.
M. Anti-Dessicant: Emulsion type, film-forming agent designed to permit transpiration, but
retard excessive loss of moisture from plants. Deliver in manufacturer's fully identified
' containers and mix in accordance with manufacturer's instructions.
N. Wrapping: Tree-wrap tape not less than 4 inches wide, designed to prevent borer
damage and winter freezing.
0. Staking/Guying System: Use 3/4" wide wovern, green, flexible synthetic strapping with
900 lb. break strength similar or equal to Arbortape TM system or Arbor Tie with stakes
and deadmen of sound, new hardwood, treated softwood, or redwood, free of knot holes
and other defects.
P. Weed Control Fabric: Install nonwoven needle punched Geotextile similar or equal to 140
' EX drainage fabric meeting AASHTO M-288-99 requirements for Class 3 subsurface
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drainage, Class 3 separation and Class 3 stabilization. Fabric shall be 4.5 oz./sq.yd., 60
mil thickness as manufactured by LINQ Industrial Fabrics, Inc. - Geotextile Division -
' 2550 West Fifth North St., Summerville, SC 29483, [phone] Fax: [phone]
Email: [e-mail]. See plans for location of fabric in plant beds.
' PART 3 - EXECUTION
3.1 EXISTING CONDITIONS
A. Experience: Employ only experienced personnel who are familiar with the required work.
Provide adequate Supervision by a qualified foreman.
' B. Planting time: Plant or install materials, including replacement materials, only during
normal planting seasons for each type of landscape work required. Correlate planting
with specified maintenance periods to provide maintenance until acceptance by the
Owner.
C. Sub grade elevations: Excavation, filling and grading required to establish elevations
shown on the drawings are specified under other sections of these specifications.
' Landscape Contractor shall verify subgrade elevations and notify the General Contractor
and Architect in writing of any discrepancies prior to beginning work.
D. Construction Below Ground or Overhead: It is not contemplated that planting shall occur
where the depth of soil over underground construction, obstructions or rock is insufficient
to accommodate the roots or where pockets in rock or impervious soil will require
drainage. Where such conditions are encountered in excavation of planting areas and
' where the stone, boulders, or other obstruction cannot be broken and removed by hand
methods in the course of digging plant pits of the usual size, the Architect shall be notified
so that this material may be removed by the Owner, or the plant material relocated to a
more favorable location. Removal of rock or other underground obstructions, relocation of
construction, and provisions of drainage for planting areas shall be done only as approved
by the Architect and the Owner.
3.2 Preparation of Areas to be Grassed, Sodded, Planting Beds, and Planting Soil Mix
A. General:
1. Preparation shall not start until after all other site irrigation and utilities work has
been completed and approved by the Architect within the areas to be seeded,
sprigged, sodded or planted.
' B. Areas to be Grassed (Lawn and Revegetative Cover):
1. Loosen soil thoroughly to a depth of 6 inches, or if heavy clay or overly compacted
' soils are present, sub-soil plow to 12" depth until tillage is suitable for subsequent
operations. Remove all rocks greater than 1" diameter from prepared soil surface
prior to seeding. Work in the following soil additives:
' Lime - 120 lbs./1000 sq. ft.
Fertilizer - 35 lbs./1000 sq. ft. (Formula 10-10-10)
20% Super Phosphate 25 Ibs/1000 sq. ft.
2. Grade lawn areas to a smooth, even surface with a loose, uniformly fine texture.
Roll and rake to remove ridges and fill depressions as required to meet finished
grades. Limit fine grading to areas which can be planted within the near future.
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3. Tolerances: Refer to finish grading tolerances in Section 02210 Earthwork.
' C. Areas to be Sodded:
1. Loosen soil thoroughly to a depth of 6 inches, until tillage is suitable for subsequent
operations. No rocks are allowed in surface soils ro receive sod. Work in the
following soil additives:
Lime: 100 lbs./1000 sq. ft.
Fertilizer: 20 Ibs/1000 sq. ft.
Superphosphates: 10 Ibs/100 sq. ft.
2. Fine grade lawn areas to a smooth, even surface with a loose, uniformly fine
texture. Roll and rake to remove ridges and fill depressions as required. Limit fine
grading to areas which can be sodded within the near future. Moisten lawn area
before sodding if soil is dry.
D. Plant Bed Preparation
1. Approximately one week prior to beginning planting in the beds, plant beds should
be watered to germinate any weed seed. One to two days later, spray plant beds
with "Roundup" or other approved systemic weed killer, applied at the
manufacturer's recommended rate of dilution and coverage.
2. At the time of planting, thoroughly till plant beds to a minimum depth of eight (8)
inches. Add to this broken subsoil a sufficient amount of decomposed organic
matter sufficient to raise the organic content to 10% by volume and the following
additives:
Lime 40 Ibs./1000 S.F.
Fertilizer 25 Ibs./1000 S.F. (Formula 10-10-10)
The Landscape Contractor may adjust rates of lime and fertilizer based on
laboratory soil tests if approved by the Architect prior to beginning planting
operations.
' E. Mix the following soil additives to topsoil stored on-site or approved subsoil for planting
soil mix:
' 1. Decomposed organic matter - use sufficient amount to raise the organic content to
5% minimum by volume.
2. Use 0.1 pounds/cu. ft., 10-10-10 fertilizer.
' 3. Use 0.4 pounds/cu. ft. dolomitic lime meeting North Carolina Department of
Agriculture standards for fineness and purity.
4. Circular pits shall be excavated for all trees and shrubs. Diameter of pits for trees
' shall be at least two feet greater than the diameter of the ball or spread of roots.
The depth of pits for trees shall be enough to accommodate the ball of roots when
the plant is set to finished grade. Use planting soil mix as shown in planting details
on the drawings.
' F. Dispose of subsoil removed from planting operations. Do not mix with planting soil or use
as backfill.
' 3.3 Bio-retention Soil Mix:
A. Mixing Off Site:
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' 1. Mechanically mix the materials to provide a uniform distribution of the components.
' 2. Inadequate moisture content: Do not work medium when moisture content is low
that dust will form in the air. Apply water, if necessary, to bring medium to an
optimum moisture content for compacting and planting.
' 3. Do not work medium when the moisture content is high enough for excessive
compaction to occur. Aerate medium until moisture content is uniformly reduced as
necessary to achieve optimum compaction.
' B. Provide bio-retention soil medium from one source. Medium can be supplied in bags or
bulk.
' C. Do not begin filling impoundment until Landscape Architect has inspected and approved
the sub-drainage piping with sand and filter fabric. Take extreme care when filling the
impoundment. Do not damage filter fabric or other drainage structures.
D. Fill bio-retention medium in 12" lifts maximum layers. Place surrounding topsoil fill to
desired depth prior to placing each layer (lift) of bio-retention soil medium. After initial
placement of bio-retention soil, allow soil mix to "settle" for at least 30 days. After
settlement, place additional bio-retention to achieve finish grades.
3.4 SEEDING, SODDING, and PLANTING
A. Seeding:
1. Grassing Season: All permanent grassing shall be installed according to these
specifications or as approved by the Architect. Temporary grassing will be planted
' according to Section 02230.
2. Prepare seed bed by carefully raking out all debris and provide positive drainage
' away from plant beds and buildings.
3. Final grading and starter fertilizer: Check slope, remove all foreign materials and
' stones larger than 1/2 inch in the surface of the prepared soil. Level soil and roll
with heavy (250-300 Ibs) roller. Keep soil damp, not dry or wet, when it is worked.
Alternately rake and roll area until footprints cannot be seen readily or they are less
than 1/4 inch deep.
' 4. Apply starter fertilizer at a rate that will provide 1 to 1-1/2 lbs. of actual
nitrogen/1000 sq.ft. Rake starter fertilizers into soil surface about 1 inch deep and
proceed with grass seeding.

5. Sow grassed areas evenly with a mechanical spreader to produce a uniform stand
of grass.
6. Seed shall be 'scratched in' with a garden rake or rolled with a light roller or
cultipacker to firm the seed in the soil. The method of seeding may be varied at the
discretion of the Landscape Contractor on his own responsibility to establish a
' smooth, uniform grassed lawn.
7. In normal season, the Bermuda grass seed shall be sown uniformly at the rate of
two (2) Ibs per 1000 sf of "Savannah" variety hulled Hybrid Bermuda. Sow only
when moisture content of the soil is suitable for sowing grass seed. Keep soil in
moist condition until seeds have germinated.

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' 8. Mulch: All grassed areas shall be mulched with clean grain straw as specified.
Straw mulch shall be tacked with emulsified asphalt (thinned with water) at a rate of
' 150 gallons per ton of straw.
9. Establishment and Maintenance: Water, mow, and maintain until an acceptable
stand is achieved.
' a. Irrigation: from time of seeding to Substantial Completion, the Contractor shall
keep maturing grass irrigated on a regular basis. Irrigation shall occur a
' minimum of once each day until two (2) weeks after date of initial seeding.
Thereafter, irrigation shall occur a minimum of once a week.
b. At no time shall seeded permanent turf be allowed to grow over 4 inches in
height. Throughout this period, the target mowing height shall be 1.5-2 inches.
' At no time shall more than 50% of the turf height be removed in any three-day
period by mowing or other maintenance activity.
c. Seeded permanent turf shall be fertilized according to the monthly application
rates recommended in Carolina Lawns for common Bermuda grass or at
reduced rates if instructed by the Architect.
d. Weed control shall be provided as necessary to prevent the establishment or
proliferation of a weed species and to achieve acceptable turf at time of Initial
Acceptance.
B
Soddin
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' 1. Sodding Season: Anytime during the year when freezing conditions do not exist
and as approved in advance by the Architect and Owner. Sodding around the
building shall not be installed before 1 April 2008.
2. Lay sod to form solid, uniform mass with tightly fitted joints. "Butt" ends and sides of
' sod strips. Do not overlap sod strips. Stagger strips to offset joints in adjacent
courses. Lay sod strips across slopes and perpendicular to drainage flow. Tamp or
roll lightly to ensure contact with sub-grade. Remove any plastic grid netting
' used to transport or stabilize sod during transport to the site.
3. Secure with pegs or staples at spacing recommended by the sod grower and
' supplier and as approved by the Architect and Owner.
4. Water sod with fine spray immediately after planting. Water daily during first two
weeks of establishment to maintain soil moisture to depth of 4".
'
5. At no time shall sodded turf be allowed to grow over 3 inches in height. Throughout
this period, the target mowing height shall be 1.5 inches. At no time shall more than
' 50% of the turf height be removed in any three-day period by mowing or other
maintenance activity.
6. Sodded turf shall be fertilized according to the monthly application rates
recommended in Carolina Lawns for the utilized grass or at reduced rate if
' instructed by the Architect.
7. Weed control shall be provided as necessary to prevent the establishment or
proliferation of a weed species and to achieve acceptable turf at time of Initial
Acceptance.
' C. Re-vegetative Cover (No-Mow Seeding):

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Seed the following rates:
Appalo Sericea Lespedeza 10 lbs. per acre
Weeping Lovegrass 3 lbs. per acre
Annual Ryegrass 2 lbs. per acre
Hybrid Tall Fescue 100 lbs. per acre
D
2. Seed during normal season (March - April), if possible.
3. Mulch as required in Section 3.4.
Planting:
Planting Season: The normal planting season should be considered at October 1
through April 15.
2. After notification to proceed, planting operations shall be conducted under favorable
weather conditions during the normal planting season. At the option of and on the
full responsibility of the Landscape Contractor, planting operations may be
conducted under unseasonable conditions, without additional compensation, and
only when proper "out-of-season" procedures are utilized.
3. Layout: New planting shall be located where shown on the drawings except
where obstructions below ground or overhead are encountered or where changes
have been made in the construction. Adjustment to plant locations shall be
approved by the Architect prior to planting. Positions of trees and plants not
otherwise indicated may be scaled from the drawings, keeping the relationship to
architectural or site features as indicated by the drawings. Turn plants in pit to face
best side out.
4. Pruning: Remove dead and broken branches from all plant material. Prune only
to retain typical growth habit of individual plants with as much height and spread as
is practical. Make all cuts with a sharp instrument flush with trunk or adjacent
branch in such a manner as to ensure elimination of stubs. "Head-back" cuts at
right angles to line of growth will not be permitted. Trees shall not be poled or
topped. Remove trimmings from site. Never cut leaders without permission from
the Architect.
NOTE: All plants must meet minimum size requirements after any necessary
pruning.
5. Drainage: The Landscape Contractor shall be responsible for adequate drainage
from all plants. If during the planting operations, the Landscape Contractor
determines that water conditions are such that drain lines or other drainage
measures are necessary, he shall install the necessary measures. The intent of the
specification is for the contractor to adjust to any field condition(s) so that plantings
do not occur in an unsuitable condition. Grading plan shows positive drainage and
provisions to capture surface runoff as required.
6. Setting Plants: Unless otherwise indicated on the drawing all plants shall be
planted in raised prepared soil beds, and set on compacted prepared soil mix to
such depth that the finished grade level of the plant - after settlement - will be
approximately 1/3 ball height (4" - 5" above grade measured at the natural root
collar) and above finished grade measured at 3 feet horizontally from al edges of
walks, curbs or permanent fixtures. (See Planting Details.) They shall be planted
upright and faced to give the best appearance of relationship to adjacent structures.
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Remove burlap and wire cage down 1/3 from top of balls. No burlap shall be pulled
from under the balls. Roots on bare-root plants shall be spread in their normal
position. All broken or frayed roots shall be cut off cleanly. Prepared soil mix shall
be placed and compacted carefully to avoid injury to roots and to fill all voids. Add
water and tamp the backfill until the backfill is completely saturated, then allow it to
soak away. Fill the hole to finished grade, and form a shallow saucer around each
plant by placing a ridge of topsoil around the edge of each pit. After the ground
settles, additional soil shall be filled in to the level of the finished grade.
Groundcovers shall be planted in prepared soil beds after mulch has been installed.
Straighten mulch or add additional mulch after planting as needed to achieve
finished appearance.
7. Guying Trees: (See Planting Details.) Install guys not less than 1/3 height of tree
above ground. Equally space anchors for guys around trunk. Install guys at ±45
degree angle to horizon. Keep guys taut but not overly tight until the end of the
guarantee period. Guys are to be removed at that time, by the Landscape
Contractor.
Wrapping Trees: After completing guying operations, spirally wrap all deciduous
tree trunks with strip burlap or approved treated paper with at least a one inch
overlap. Do not use wrap to hide trunk damages or problems. (See Planting
Details included on drawings.) Wrap is to be removed at the end of the guarantee
period, by the Landscape Contractor.
9. Apply anti-desiccant using power spray, to provide an adequate film over trunks,
branches, stems, twigs and foliage.
3.5 MULCHING and PROTECTION
A. Mulch seeded areas with straw as specified and tack with water emulsified asphalt at a
rate of 150 gallons per ton of straw or other acceptable means.
B. Protect newly seeded areas from unnecessary pedestrian traffic for four (4) weeks
minimum.
C. All plant saucers and plant beds shall be thoroughly mulched with a 3" layer of mulch as
specified within 2 days of planting.
3.6 MOWING: The Landscape Contractor shall water, fertilize, mow, reseed, roll, re-grade, re-sprig,
replant/patch bare spots and maintain all lawn areas in conformance with the NC Landscape
Contractors Manual until an acceptable stand is achieved and the areas are accepted by the
Owner for maintenance.
3.7 MAINTENANCE
A. Maintain work of this section from time of installation until Initial Acceptance.
Maintenance shall include: watering of lawns and plantings, mowing; repairs to lawn;
protection of plantings; weeding, cultivating, and mulching plant beds; and at least one
application of pre-emergent herbicide (Ronstar-G) to all plant beds as per manufacturer's
recommendations.
B. At edges of all hard improvements (paving, walks, paved play, etc.), excavate a 3" - 4"
deep maintenance edge to aid in lawn edging and retain mulches.
C. Tighten and repair stake and guy supports and reset trees and shrubs to proper grades or
vertical position as required. Restore or replace damaged wrappings. Spray as required
to keep trees and shrubs free of insects and disease.
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ry D. At the end of the guarantee period, and prior to Final Acceptance, all plant beds shall be
' free from weeds and edged neatly to a line as shown on the drawings. All plant tags shall
be removed by the Landscape Contractor before the Final Inspection.
E. This Contractor WILL be responsible for the weeding of new plant beds during the
' guarantee period. The amount of weeds encountered by the Landscape Contractor at the
end of the Guarantee period shall depend solely on his adequate mulch application and
the pre-emergent herbicide application. Periodic visits to the site by the Landscape
' Contractor will be necessary during the Guarantee period to avoid excessive weed
removal before Final Acceptance.
3.8 CLEAN-UP and COMPLETION
A. During landscape work, keep pavements clean and work area in an orderly condition..
B. Protect landscape work and materials from damage due to landscape operations,
operations by other contractors and trades, and trespassers. Maintain protection during
installation and maintenance periods. Treat, repair, or replace damaged landscape work
as directed.
C. Upon completion of work, remove from the site all equipment and other articles used. All
excess soil, stones and debris shall be removed and legally disposed of. All work areas
' shall be left in a clean and neat condition. Final Acceptance will not be given unless all
work areas are clean.
D. All damage to existing construction caused by landscaping operations shall be repaired to
the satisfaction of the Owner, at the Landscape Contractor's expense..
' 3.9 INSPECTION and ACCEPTANCE
A. At time of inspection for Initial Acceptance, sodded turf shall have been freshly mowed
' within the last 48 hours. Turf shall be healthy, of uniform color and exhibiting good
growth. A minimum of 100% of the specified turf area shall be covered in sod that has
been installed for a minimum six weeks. Turf shall be 100% free of all weeds.
' B. Should the multi-purpose field turf not be accepted on or prior to June 1, 2008, the Owner
will require the Landscape Contractor to place the field on a program of intensive cultural
management in order to bring the fields to acceptance specification as quickly as
' possible. Actions may include re-sodding (minimum laid piece size - 1.5 ft. by 2 ft.) and
any cultural activity which is suggested by the N.C. Cooperative Extension Service as
being of value in an intensive Bermuda grass management program. The Owner shall not
be responsible for any additional costs associated with these actions.
C. When inspected landscape work does not comply with requirements, replace rejected
work and continue specified maintenance until re-inspected by Architect and found to be
acceptable. Remove rejected plants and materials promptly from project site.
' 3.10 Substantial Completion Inspection and Acceptance by the Owner:
' A. Following receipt of a written request submitted by the Contractor with his list of any items
yet to be completed and the reasons associated with any delays, the Architect will
schedule an inspection of the work to determine acceptability. A list of deficiencies will be
made according to the conditions of the Contract.
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B. All grassed areas shall be freshly mown within 48 hours before the Substantial
Completion Inspection. Turf shall be healthy, of uniform color and exhibiting signs of good
growth. A minimum of 95% of the specified seeding area shall be covered in established
turf possessing both stolons (i.e. runners) and rhizomes. There shall be no bare areas
greater than 4 sq. ft. or 1.5 ft. in any dimension. Seedling plants not having reached tiller
stage (i.e. runner producing) shall be considered bare area. Turf shall be 100% free of
noxious and perennial weeds and relatively free of annual weeds.
C. Sodded turf shall be freshly mown within 48 hours prior to the Substantial Completion
Inspection. Turf shall be healthy, of uniform color and exhibiting good growth. A minimum
of 95% of the sprigged turf area shall be covered and weed free per the requirements
listed above for grassed areas. A minimum of 100% of the sodded turf area shall be
covered in sod that has been installed for a minimum four weeks. Sodded turf shall be
100% free of all weeds.
D. When inspected landscape work does not comply with requirements, replace rejected
work and continue specified maintenance until re-inspected by Architect and found to be
acceptable. Remove rejected plants and materials promptly from project site.
E. Final Completion by the Contractor shall be established upon completion of all plant
replacements and repairs to the landscape as identified during the Substantial Completion
Inspection.
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A. Seeding (lawn grassing):
If a satisfactory stand of grass has been produced at the time of Substantial
Completion (Initial Acceptance); the lawn shall be guaranteed for a period of sixty
(60) calendar days. If renovation and / or reseeding is required at the end of the
guarantee period, this work shall be done in conformance with the requirements of
section 3.10.
2 If a satisfactory stand of grass has not been produced at the time of Substantial
Completion (Initial Acceptance), necessary repairs shall be performed in
conformance with the requirements of this section until July 1, 2008. If a
satisfactory stand of grass has not been established on or before August 1, 2008,
see paragraph 1.3.A., (1) of this section for remedy by the Owner.
During the 60 day guarantee period, the Landscape Contractor shall be responsible
for all watering of grass to get the lawn through periods of no rainfall or take
responsibility to re-establish those areas which perish.
B. Sodded Turf on the Multi-purpose Field:
If a satisfactory stand of sodded turf has been produced at the time of Substantial
Completion (Initial Acceptance); the turf shall be guaranteed for a period of sixty
(60) calendar days. If renovation and / or reseeding is required at the end of the
guarantee period, this work shall be done in conformance with the requirements of
section 3.9.
2. If a satisfactory stand of sodded turf has not been produced at the time of
Substantial Completion (Initial Acceptance), necessary repairs shall be performed in
conformance with the requirements of this section until July 1, 2008. If a
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satisfactory stand of grass has not been established on or before July 1, 2008, see
paragraph 1.3.A., (2) of this section for remedy by the Owner.
i 3. During the 60 day guarantee period, the Landscape Contractor shall be responsible
for all watering of grass to get the lawn through periods of no rainfall or take
i responsibility to re-establish those areas which perish.
C. Sodded Lawn:
1. If a satisfactory sodded lawn has been produced at the time of Substantial
' Completion (Initial Acceptance), the turf shall be guaranteed for a period of sixty
(60) calendar days. If renovation and/or re-sodding is required at the end of the
guarantee period, this work shall be done in conformance with the requirements of
' this section.
2. If a satisfactory sodded lawn has not been produced at the time of Substantial
Completion (Initial Acceptance), all unacceptable areas will be re-sodded according
i to the requirements of this section. Upon completion of these repairs, the turf shall
be guaranteed as in paragraph (1) above.
3. During the 60 day guarantee period, the Landscape Contractor shall be responsible
for all watering of grass to get the lawn through periods of no rainfall or take
responsibility to re-establish those areas which perish.
i D. Planting:

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Guaranty: After achieving Substantial Completion (Initial Acceptance by the
Owner), warranty plantings for a period of one (1) year after date of Substantial
Completion against death and unsatisfactory growth, except for defects resulting
from neglect by Owner, abuse or damage by others, or unusual phenomena or
incidents which are beyond the Landscape Contractor's control. Plantings shall be
alive and in satisfactory growth at the end of the guaranty period.
2. Replacement: At the end of the twelve (12) month guaranty period, inspection will
be made by the Architect upon written notice requesting such inspection submitted
by the Landscape Contractor according to the contract conditions. Any plant
required under this contract that is dead or not in satisfactory growth as determined
by the Architect, shall be removed from the site; these and any plants missing, shall
be replaced as soon as conditions permit, but during the normal planting season.
3. Materials and Operations: All replacements shall be plants of the same kind as
originally planted and shall be of size equal to that attained by adjacent plants of the
same kind at the time replacement is made. All costs of replacement shall be borne
by the Landscape Contractor. Only one replacement in conformance with the
provision of this section will be required for each plant declared dead, in an
unhealthy or badly impaired condition, or missing at the time of Final Acceptance,
provided the replacement plant is still healthy sixty (60) days after installation.
END OF SECTION 02900
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