20010352 Ver 1_COMPLETE FILE_20010312

O?O? W AT ?RQG
tj r
Michael F. Easley
Governor
William G. Ross, Jr., Secretary
Department of Environment and Natural Resources
Gregory J. Thorpe, Ph. D.
Division of Water Quality
Mr. Anthony R. Gaffey, P.E.
Insite
201 North Tryon Street, Suite 2670
Charlotte, NC 28202
Dear Mr. Gaffey:
Subject:
September 18, 2001
Brookmere
DWO Project No. 010352
Mecklenburg County
The Wetlands Unit staff reviewed the stormwater management plans-for the subject project and determined that additional - -
information is necessary to complete the technical review process. The required additional information is as follows:
Discharge to the Level Spreader
Please provide the calculations to show that the level spreader would have a maximum lip velocity of 1.3 fps in a 10
year 24 hr storm. Otherwise please provide specific information that would indicate that the down slope conditions
from the level spreader would be maintained in a 10 year 24 hour storm.
Operation and Maintenance Agreements
Please provide a signed and notarized Operation and Maintenance Agreement for the level spreader. Please feel
free to call me if you need any suggestions.
Division wetlands unit staff will strive to complete a final technical review within 10 working days of receipt of the
requested information. If you have any questions or would like to discuss this project, please contact me at (919) 733-
9584. Also, please note that the NCDENR Stormwater Best Management Practices Manual, April 1999, and other
documents and information can be downloaded from the Wetlands Unit web site at
http://h2o. eh n r. state. nc. us/ncwetlands/.
Sincerer
hn E
Tor-d/
Jo
Environmental Engineer
cc: Mooresville Regional Office
File
North Carolina Division of Water Quality, 401 Wetlands Certification Unit,
1650 Mail Service Center, Raleigh, NC 27699-1650 (Mailing Address)
2321 Crabtree Blvd., Raleigh, NC 27604-2260 (Location)
919-733-1786 (phone), 919-733-6893 (fax), http://h2o.enr.state.nc.us/ncwetlands/
I SITE
.Engginepm,kg &
Surveying
Mr_ Todd St. John
NCDENR
Division of Water Quality
1621 Mail Service Center
Raleigh, NC 27698-1621
Dear Mr. St. John:
September 12, 2001
RE: Brookmere Subdivision
Mecklenburg County
DWQ Project # 010352
"VLA. Facsimile & U.S. Mail
919-733-6893
Per your letter dated August 17, 2001, we have revised the ponds for The Brookmere
subdivision as follows:
Pond 1
a) Revised the Wetland Basin Supplement form to include maintenance for the level
spreader. (page 3 of 4 #1c)
Per our discussion, we prefer to leave the level spreader as currently designed. This
design allows for low lip velocity for the discharge from the 4 inch orifice, plus offers
better discharge characteristics for larger storms.
Pond 2
a) Prepared planting plan for the revised extended detention wetland.
b) Prepared and executed Operation and Maintenance Agreement.
If you have any questions or require additional infornnation, please do not hesitate to call.
'Shank you for your time and efforts on our behalf.
Sincerely,
INSITE Engineering & Surveying
Anthony R. Gaffey, F.E.
c: Mr. Wayne Stover, Landeraft Properties
Mr. Leonard Rindaner, P.W.S.
Engineering Surveying
201 North Tryon Street 10801 jol),?Won Road
Suite 2670 Smite 207
Gharlotge. NG 28202 Ccarlnlfe. NC 28226
LEE-d 01/10'd E8E-1 9110-sle-ti01 311SN1-MOdd AVZl:80 10-Z1-d3S
Permit No.
{to be provided by DWO
State of North Carolina •
Department of Environme.at and Natural Resources
Division (if Water Quality
STORMWATER MANAGEMENT PERMIT APPLICAUON FORM
WET DETENTION BASIN ,SUPPLEN ENT
Th[i Goan Maybe pboW-apled for arse as' an.arighial'
D ? 5tormwaigr Mmam mont Plan yie_
agi:tnent 'plan submittal inobides 'an 'application f9i ro, a wet detwfioli ,basin
A complete storm'*water' ma
p
suppleifient for each basin, tlasign q. Ac stions, 'a'nd plan earl •specifieations slioviring sill.basin and • niittet . '
structure -details.
L . ]l" P•C,1rX& OPMATION
Px0ject1 ame: T kt r*' an +„ '
Contact Person: eiki't r; a Phone Number:
For projects with multiple basins, specify which'basiu'tbi.s worksheet app4es to: --
elevations
Basin Bottom Elevation . !? l.l. UG'_ •?, ' ?(flodr:cr}`??as:8asir?) : ;
I'ern? nt Pool Elevation ' Q;; Q `? ft. 0 viiud' `of. the ari c)
Tem mrf Pool tl?vation, e0z -',4- 1 ft. (eX?vc?liori i??'th?,at'schir structirrq iaVeIflow).
areas
Permanent ir"oul`Surfade Area ' sq. ft? (ivafersurface arzt dfre oi,s~c elation) ' ' - .. . ;
1 %Omge DIES - j ¦ ?... i _ ac. ?4n-sYt? t?ltCl ?i Si$6• . td 'tFt ?]lf ti`fM?
impervious Area .(o)I4ite and off-'ik (tT'R"9L* iq' .W '
vdlurnW
1
permxazterat Pb V•ohime. x--1 . ?" ' ' ' ?,
cu. &. (Ct7rtd ]i11ed.1?GYurne; of trrai?t barEn oa?u „?`oi liay)
Teinpnraiy, Pool Volume cu. ft. ?vc?7rane;-dei ?above, thg. jne t Ott pooh
Forebay Volume ?'Z C.U. its (upprv ly. Zt7 q? f, tofal'vrilt?iie? '. ,. .

Z 15 S1?JDA1. i1 • ,_ (SierfaC ata :to itxdire 11iea ox?m;Drbt?;''
nismeter of vri&e '
rfr
in. : Q to-5 day tehgwo x.Pr of •-drdty rr ram
:l?esigu •?sii?fall ' ? t ? t? • • ?.. '• , ' . ' . • , ' : • ?-'? ? '
Des%gn'TgS Reiuoval2 % ?rniririnum'85% r red)' .. %.''

paYm SWU-I02 Rev 3.99 F? gc 1-of 4
1£S-d 01/ZO•d £8£-1 9110-£2£402 311SN1-1NOdd AVZ1:80 10-Z1-d3S
P-0-OW -t-es:
i "ea using the Division SAMA tables, the correct SA/C3A ratio for pennanont pool sizing sboaldbe computed based upon the
9caml imporvious % and permanent pool depth. Linear mtotpoladon should be employed to determine the correct value for non-
standard table entries.
In the 20 coastal counties, the regttirement for a vegetgfive filter ma be waived if the wet deb melon basin is designed to pmvide
9001* TSS removal. The NCDENR BM? manual provides design tables forbOtk 85°/a TSS removal and 900/9 TSS removal.
II. REQTJMED ITEMS CHECXLZT
The following checklist outlines design requirements per the Stornmater Best Management Praetiges MantW
(N.C. Department of Envuonmwt, Health and Natural Resources, February X999) lind Administrative Code
Secxion: -15 A NCAC 2H A OO8.
initial in the space provided to. inchoate the knowing design ret'l'trireme nts -rave been met and .$uppo'
documentation is .attached. If the applicant has designated ail agent in the Sko mwater. Management Stiliit• .
A,pplic titian Form, the agent may initial below. If a requirebteiit has not 'bieela. inet, art th jtustiflcat?ion.... :.'
Applicants initials
a. The permanent pool depth is between 3 and 6 feet ("quiwd•ruinimntn, of 3 feet),
Avg b. The forebay voluaw is approldmately equal to 20% ofthe basin volume_.
c. The temporary pool controls ,rttnol f fiom the design stci= ey t.
CL The temporary: pool draws down in 2 to 3 days.
NIA , e. I f regtaimd, g 30-fact vegetative filtor.is provided at the otiitlct (include non-e?tosi ve: flow .
k £ The basin length to 'width ratio: is ,greater than 3! L.
± ... g. Time basin side slopes above the pftiinent•.pool- in iio steeper, n 3: l.'
, - h. A subm=Vd and vegetated perimeter shelf with .a,slope -of 6.1 of loss (sbww detail).. ; . .
L Vegetative cover above the pei?tian+ent pool eXevatienAs $peei&&
P_ J. A trash rack or similar device is provioO for-both the ovcifi b,ix md.'orifice: .
A P g • k. A recorded drainage easement iis'provided for'each basin iirlttd ng .access. to tieareg right: '
of-way. ;
1 1. Ifthe. basin is used for sediment. wdoosion control•.d cos>stCU?c? cletua oxtf ttf#l?'
basin is specified prior to use as a vat defttion bsisfiL
-fZ C _ m. A mechanism is spicified wbich•wilf &%in'th-6liasi#i.for n ai teniiee, or' an eme nCY'.
'-? •Ft???vga?.-!•?? ? ?`fo.:?.- ..?-t+7.•-a?' ? r^c?•c y? ?d.+., ??p ?r??.A.;?.v;.;?,??;;?.?
M. VM*V MENTION BASS OPE"TION A".M `iNU1? 10$.AGMEI NT-
The wet dete Lion basin system is defined as the wet dt ntion basin, pre atrnent•including; ?'oiCebgys; `thy . • • '
vegetated filter ifoiie is•provided.
This system (check one) 0 daeg .' does not iricorpoi?ate a vegt teO:Til[ter,at4hi-outlet.
This system (check vie) Q noes (does not iinrxirpors& pretreatnil at otfiter than s ifo?r+tbay:
Form SWLd-1Q2 lieu 3.99 Page 2.oM,
1££-d 01/80A £8£-1 9110-£1£-Vol 311SNAONd NV£1:80 [O-ZI-d3S
Maintenance activities shall be performed as follows:
1. After every significant runoff producing rainfall event and at feast monthly:
a. Inspect the wet detention basin system for sediment accumulation, erosion, trash accumulation,
vegetated carver, and general condition.
b. Check and clear the orifice of any obstructions such that drawdown of the temporary pool occurs within2 to 5
days as designed.
c. Check the outlet sftwwm and clear the outlet pipe and level spreader of any trash and debris and verify both
are operating properly
2_ Repair eroded areas immediately, re-seed as necessary to maintain good vegetative cover, wow vegetative cover to
maintain a maximum height of six inches, and remove trash as needed.
1 Inspect and repair the collection systenn (i.e. catch basins, piping, swales, riprap, etc.) quarterly to maintain propq
functioning.
4. Remove accumulated sediment from the wet detention basin system semi-annually or when depth is
reduced to 751/1o of the original design depth (see diagram below). Removed sediment shall be disposed
of in an appropriate marmer and shall be handled m a manner that will not adversely impact water duality
(Le.stockpiliug near a wet detention basin or stream!, etc.).
The measuring device used to determine the sediment elevation shall be such that it will give an accurate
doptix rcading and not readily penetrate into accumulated scdimcnts.
When the permanent pool depth reeds ?/. a. feet in the main pond, the sediment shall bd removed..
When the permanent pool depth reads 4-:5 S Q feet in the forebay, the sediment stall be rexrmoved.
BASIN DIAGRAM
(fill in the blan1a)
110tM rat Pool Elevation 40,40 -°'0
ment Removal Bl.' etliment 14=0val Elevatian 75%.
nm Elei?ation G, lam. 6p " 25°fo
Sbttam Elcmdon 40J'1•: 25%
1O'R REISAY MAIN POND
5. Remove cattails and other indigenous wetland plants when they cover 50"/6 of Am basin stuface_ These platits`A; ll.be
encouraged to grow along the vegetated shelfand forebay berm.
6. If the basin must be drained for an emergency or to perform itnaintenance, the flushing of seditiient tltrottgh tyre
emergency drain, shall, be minimmed to the. mix mum extent practical.
Form SW'CT 102 Rev 3.99 Page 3 of 4
1££-d 01/V0'd ON 9110-£1£-VOL 311SN1-WOad MAO 10-U-0
T. All c*wponents of the wet d0=0ou basin sydam shall be *Y+p+ntai cd in goad working ordor.
I aclwowledge and agree by my signabxre below that 1 am re-sponsible for the performance of the seven
maintenance procedures listed above. I agree to notify DWQ of any problems with the system or prior to aay
changes to the system or responsible party.
Print name; t
Title' r,-?-
.Address. 1 14 _-rir arr, V . 2.6 15ra
Note: The legally wgxm mo- party should not be a homeomem a ucathm uni oss mane thm 50% rsf the 1cW We beet Bold mda
resident of the stubdivlsion has been named the pesklenL
a Notary pulblio •forthe State of-*? ,
County of da h,creby +cert Cam.. C -. ?- . ._
pe monailly appeared before me this /0 day of _ .c. , ! ? } . , /_.___. and navvledg ;t e'due
.. l'
execution of the fot^ mg wet demon bam maimte=x a requ cements. Witness thy hand and +u ci?l• M4
SEAL
My com mission expireswr c '
FO= SVVU-ID2 Rw U"
t'age,4 df4
Z£H 01/90A £8£-1 9110-£Z£-k01
PROJECT INFORMATION
Project Name: Brookmere Phase 2
Contact Person: Anthony R. Gaffey, P.E. Phone Number: 704-373-0113, ext. 105
For projects with multiple basins, specify which basin this worksheet applies to: 2
EX'T'ENDED DETENTION WETLAND OPERATION AND MAINTENANCE AGREEMENT
Maintenance activities shall be performed as follows:
After every significant runoff producing rainfall event and at least monthly-
a. Inspect the forebay and micre-pool systems for sedimentation accumulation, erosion, trash
accumulation, vegetated cover, and general, condition-
b. Check and clear the orifice of any obstructions such that drawdown of the temporary pool
occurs witWn 2 to 5 days as designed.
c. Inspect the marsh areas for plant survival along with sedimentation and trash accumulation.
2. Repair eroded areas of embankments immediately, re-seed as necessary to maintain good vegetative
cover, mow vegetative cover to maintain a maximum height of six inches, and remove trash as
needed.
3. Inspect and repair the collection system (i.e. catch basins, piping, swales, riprap, etc.) quarterly to
maintain proper functioning.
4. Remove accumulated sediment from the micro-pool and forebay when the depth is reduced to 75%
of the original design depth. Removed sediment shall be disposed of in an appropriate manner and
shall be handled in a manner that will not adversely impact water quality (i.e. stockpiling near the
micro-pool or stream, etc,)
The measuring device used to delctmine sediment elevation shall be such that it will give an accurate
depth reading and not readily penetrate into accumulated sediments.
5. If micro-pool must be draizaed for an emergency or to perform maintenance, flushing of sediment
through the emergency drain shall be minimized_
6. All components of the extended detention wetland system shall be maintained in good working
order.
2££-d 01/90'd £8£-1 9110-£2E402 311SN1-WONd OW 80 10-21-d3S
I acknowledge and agree by my signature below that I am responsible for the performance of the six
maintenance procedures listed above. I agree to notify DWQ of any problems with the system or prior
to any changes to the system or responsible party.
Print Narne: John B. Cassell
Title: Vice President
Address: 201 N. Tryon Street
Phone: [phone]
Signature:
Date: 9 " to -0--> 1
Note: The legally responsible party should not be a homcomrneis association unless more than 50% of the lots have been
sold and a resident of the subdivision has been named the President.
STATE OF NORTH CAROLINA
COUNTY OF f?
ode//
I, the undersigned Notary Pul>hc for CQUnty quad State, do hcreby oertify that
John B. Cassell personally appeared before me this day and acknowledged the due
execution of the foregoing instrwnent.
WITNESS my hand and official seal, this theldk day of A4?- , 2001
Notary Public
N. Y'Com. mission Expires. a,,, '.• " '
1// 4r
SEAL
1 ££-d 01/20'd £8£-1 9110-£2£-Vol 311SN1-MOH M01:80 10-21-d3S
Project: Brcokmere Phase 2 Subdivision
Basin Two
Planting Plan For Extended Detention Stormwater_ Wetlands -Ilse of Existing
Hydric Soil
Soil from the existing wetland areas that have pcrmitted for impacts will be stopped and
stored as feasible for utilization in lining the proposed wetland site. Other topsoil adjacent
to the wetlands may also be suitable. Using these existing soils should hasten the
development of vegetated cover and hydric soil conditions. This is also an excellent use
of atx important natural resource.
Many of the recommended planted species currently exist in the vicinity of the area to be
utilized for this function. The majority of the species in the wetlands include Obligate
(OBL) and Facultative Wet (FACW) vegetation. Herbaceous plant species present
include Softrush (Juncus effusus), sedge (Carex $pp.), Duck potato (Sagitaria latifolia,
Arrow arum (Peltandra vixginia), Common Three-Square (Scirpus pungens), Touch-me-
not (Impatiens capensis), Smartweed (Polygonum spp.), and others. Supplemelatal
plantings will be selected from Table 2.2 "Wetland Plants" (table attached) in the
Stonuwater Best Management Practices, NCDENIt, April, 1999 }cased on actual field
conditions, if required. Being that the site is in the vicinity of other wetlands and
floodplain areas it is expected that the area will benefit from the natural seed sources
available. It is expected that herbaceous and scrub/shrub wetland species will rapidly
volunteer in the area,.
Planting shall be in naturalistic 1 random clumps to encourage diversity. Specific plant
species, quantities, and size, which will be utilized for the mitigation sites will be
dependent on availability, cost, time of year in which planting occurs. Control structures
such as sedimentation traps, siltation barriers, and/or at a minimum silt fence will be
utilized as necessary.
2££-d 01/80'd 88£-1 9110-£2£402 311SN1-NOH N01:80 10-Z1-d3S
Table 2.2 WedUd Plants
wed 1ftw Qq +dal inundation WlldllfeValm N to
Cron Name Fam AvaflabMW Tolnume • '
Prawam vfrginia Ema m ya up to 1 R liigk Socks ow Full on to putiai *x3c
Arnow z= catCtt wow dudm
54
arla l t Yes up W 1 R ? Tubm arA Aggressive colouw
13ac]: into
Im-
K
virgin is es
AndnWgcw Puinttter yes np to 3 ia. HWL
t
to $e s
itmtat food lew h # paar?sl' shade
• ? t?YCr
Andtnpogah glt> wn mus Emugeut yes up tv I IL Requires full sun

spp. Emagmt yes up to I fL Low. DwW as cowl' Aggtsive. May dimW to
rattail air species. volumun
Higbp~
CCem"AyMm Subme[gmt yea yes Low ibod value. Gm d Faee floasttg $Av. sttsde
Coontan habitat end shelter Wr tvl=m RVid growth.
' fish and in?rtdn2trs
?p?8 Fsttnt yea op m d int. Seeds. court Fast Colonizer. tin tolerate.
Catmon IU*c-Sgme Waadaerfawl. auaagwuh pedalsordtyt m r dl
suu wah nets TCMVSL
Lama App. SubmetgtaV yes yea rek Food for itigh mew teult val
twELNVCW t wgtelsiowl. andfsh
Sasrums cants Emmtgmt yea up w I #l. ljo%except kw wood Rabid gtawfiL shack
LizaWi Tail duel MR==
fi1;6 kWS Awch i&OS Emergent yes . up to 3 in. LOW. NCO*. Full Sun. Can tolsauo
bdanh Mbtscm '
l"onfi da h Cur dam T metgmt yes up to t R iK amte. pucks. Fnri Sun to par ial smote
Plcloodweed Nectar for bvttetPlies.
maxem s SubnK tg?t 3w Y" E*emb hW d
Raa*wA hem mdvb
Pond Weed Rf mazid
l
bi
ds
.
Leersla arywides
•Fmergent
yea
up to 3 in. a
tme
r
,
High. fttOd odor court
Full sm AWw& tarlerant of

ctit ass shade.
sf t?Iut stgt?tI
kwm
Ca?art'spap. BametgWt YrA up tD 3 in. High. Wate><fowl and r wdigndand
Sc4m iads. *,M
,Se&Pu "aim $mergent 3= up W I f t. Mgdrr- Goad cover Fa swL A,ggaad
Suit-stemBulrush and food. alico Sods m F.
spp. emuzent yas up t4 i R Ifth. watetibwl, hart coivnia". Ta
Sottgbittdb. seals and
COW. j
tloc"ng wtt,wr l
Juncos r es= EMC%Mt yes up to t ft. Moak Tolerated w a or

Supkar fat um Emrrgmt yes up to 3 l Moderate bvt'food but Fast eoltem. Ta
water l
Penferan vergWsm Padmew r yeS up to 3 is High. Snob, Cruet' for Tolembas wet and
SwiwhWass WMAM l 2nd Cond d ma.
ACOrus oatamus Perimeter yes up to 3 im LOW. Tolerant of dty p e&& Not
Swtxt flag a rapid Colonizer. Tolwam
acidiccond'itr?s
Elm6m dm adms Subm zgmt Yes m JAW. wool m9'B r
Wamrtaroed High dutzirnt. auWw-
' Cad
tarmoval.
Voi Fehr warerticatta Subum gmt yes yes High. ANA for Takrca Ora mky w#Aw 0m
Wild Celery w&Wdbwl. Umbitat tbr hgAuudaivntkads.
NA SW ittvtrwhates.
2kuda ogtraaflCa F?etgmt yes up to I R Wigh- Fond for blob. Pndas M sue.
Wild Rim
1'eb1e defines tic
Schudw
1SS-d 0 1/60'd S88-1 Sll0-Sl£-ti01 311SN1-NONA WVI: 80 [O-Zl-d3S
Seedirt Spec i tc Won or Iferhaegoas and Cover Crop in Wetland Mitigation Sites
Zone I - Wetland areas in tem oraril saturated soils or subject to occasional and brief inundation
Dates Dmes Rate
April 1 - Jul. 15 Red Top Grass
Smartweed
7 Ibs/acre
20 lbs /acre
Jul. 16 - Sept. 1 Temporary Crop
Jap. Millet or Sorghum 20 lbs /acre
(to be followed by permanent mixture)
Sept. 2 - Nov. 1 Srnartweed
Rod Top Grass
20 lbs /acre
7 lbs/acre
Nov. 1 - March 31 Temporary Crop 40 lbs /acre
Wheat or Winter Rye
(to be followed by permanent mixture)
The following species may be substituted:
- Bide= connata (Beggar's Tick) and other Hiden's species
- Leersia oryzoides (Rice cutgrass)
- Panicum'viratum (Switch grass)
- Feltandra virginica (Arrow Arum)
Seedintx instructions
1) Seed in the dry period
2) Use of filler, such as sand to dilute the seed to ensure uniform ground coverage
when broadcasting
3) Free and shrub planting should be completed first before seeding
4) Pure live seed shall be specified and approved prior to piantinS.
Herbaceous species may with a wetland seed mix which will result in coverage of at least
100 stems per square meter upon germination. Substitutions may be permitted with
approval. Other native grasses or annuals may be selected. No fescue will. be used in
wetland areas. Annual grasses skull be utilized for stabilization on surrounding slopes
within Mitigation Area rather than perennials to allow natural succession. If a perennial is
required for erosion control than a mixture shall be selected that allows natural
volunteering to occur.
Z££-d 01/01'd £8£-1 9110-£Z£-tol 311SN1-MObd NV91:80 10-U-0
Michael F. Easley
Governor
O?0? W A T?9QG
f William G. Ross, Jr., Secretary
Department of Environment and Natural Resources
r Kerr T. Stevens
Division of Water Quality
Mr. Anthony R. Gaffey, P.E.
Insite
201 North Tryon Street, Suite 2670
Charlotte, NC 28202
Dear Mr. Gaffey:
August 17, 2001
Subject: Brookmere
DWQ Project No. 010352
Mecklenburg County
The Wetlands Unit staff reviewed the stormwater management plans for the subject project and determined that additional .
information is necessary to complete the technical review process. The required additional information is as follows:
Planting Plan for Wetland
A planting plan must be provided for the extended detention wetland. Reference NCDENR Stormwater Best
Management Practices Manual, April 1999.
Discharge to the Level Spreader
2. It is recommended that only the discharge from the 4 inch draw down orifice be directed to the level spreader and
that larger events be directed away from the level spreader if possible. Otherwise the length of the level spreader
would have to be increased to accommodate a maximum lip velocity of 1.3 fps.
3. Operation and Maintenance Agreements .
Please provide a signed and notarized Operation and Maintenance Agreement for the extended detention wetland
and the level spreader. Please feel free to call me if you need any suggestions.
Division wetlands unit staff will strive to complete a final technical review within 10 working days of receipt of the
requested information. If you have any questions or would like to discuss this project, please contact me at (919) 733-
9584. Also, please note that the NCDENR Stormwater Best Management Practices Manual, April 1999, and other
documents and information can be downloaded from the Wetlands Unit web site at
http://h2o.ehnr.state.nc.us/ncwetiands/.
E91 K1
W j
Todd'StJohn, P
Environmental Engineer
cc: Mooresville Regional Office
File
North Carolina Division of Water Quality, 401 Wetlands Certification Unit,
1650 Mail Service Center, Raleigh, NC 27699-1650 (Mailing Address)
2321 Crabtree Blvd., Raleigh, NC 27604-2260 (Location)
919-733-1786 (phone), 919-733-6893 (fax), http://h2o.enr.state.ne.ur./ncwetlands/
Project No. DWQ Brookmere
Project Name: 010352 Z
SUBMITTED DESIGN: REQUIRED DESIGN.
elevations 0.0 average depth
Bottom of Basin (ft) 633.7
Permanent Pool (ft) 636.7 3 ft. depth
Temporary Pool (ft) 638.6 1.9 ft. depth
areas
Permanent Pool SA (sq ft) 10350
Drainage Area (ac) 13.63
Impervious Area (ac) 5.452

volumes
Permanent Pool (cu ft)
Temporary Pool (cu ft) 23649
Forebay (cu ft)

other parameters
SA/DA
Orifice Diameter (in) 3
Design Rainfall (in) 1
Linear Interpolation of Correct SAIDA**'" `

Next Lowest VX Impervious
40
Project Impervious 40.0
Next Highest 50
10271 sq. ft.
40.0%
20286 cu. ft.
#DIV/0! %
status
ok
ok
ok
ok
#DIV/0!
1.73 -
0.23 cfs drawdown -
1.2 day drawdown check drawl
4:.
3 ft. Permanent Pool Depth
SA/DA from Table
1.73
1.73
2.06
?/ L
V r A 1
3) 0 -t4,1/L/ g, '4W 4W?e`?

- ob=
I
SITE
Engineering &
Surveying
Mr. Todd St. John
NCDENR
Division of Water Quality
1621 Mail Service Center
Raleigh, NC 27698-1621
Dear Mr. St. John:
August 6, 2001
RE: Brookmere Subdivision
DWQ

VIA Facsimile &
919-733-6893
Per your letter dated July 17, 2001, we have revised the ponds for The Brookmere
subdivision as follows:
Pond 1
a) Reduced the sediment forebay to 22% of permanent pool size.
b) Added a 58 foot level spreader. Plan view and detail attached.
Pond 2
a) Converted to extended detention wetland. Revised plan view and details attached.
If you have any questions or require additional information, please do not hesitate to call.
Thank you for your time and efforts on our behalf.
Sincerely,
INSITE Engineering & Surveying
Anthony R. Gaffey, P.E.
c: Mr. Wayne Stover, Landcraft Properties
Mr. Leonard Rindner, P.W.S.
Engineering
201 North Ti}'on Street
Suite 2670
Charlotte, NC 28202
T.- [phone] ? F. [phone]
Surveying
10801 Johnston Road
Suite 207
Charlotte, NC 28226
T.• [phone] ? F [phone]
I
SITE
Engineering &
Surveying
Mr. Todd St. John
NCDENR
Division of Water Quality
1621 Mail Service Center
Raleigh, NC 27698-1621
Dear Mr. St. John:
July 9, 2001
RE: Brookmere Subdivision
Mecklenburg County
DWQ Project # 010352

, R
l
The Brookmere subdivision includes two (2) wet detention basins. Both basins were
designed following the most recent version of the NC DENR Stormwater Best Practices
Manual. Per the design guidelines, both facilities were designed to remove 85% TSS.
Find enclose copies of the stormwater management plans for wet detention basins one (1)
and two (2) for the Brookmere Subdivision.
If you have any questions or require additional information, please do not hesitate to call.
Thank you for your time and efforts on our behalf.
Sincerely,
INSITE Engineering & Surveying
Anthony R. Gaffey, P.E.
c: Mr. Wayne Stover, Landcraft Properties
Mr. Leonard Rindner, P.W.S.
Engineering
201 North Tryon Street
Suite 2670
Charlotte, NC 28202
T.- [phone] ? F.- [phone]
Surveying
10801 Johnston Road
Suite 207
Charlotte, NC 28226
T.- [phone] ? F [phone]
-faw
I
SITE
Engineering &
Surveying
Mr. Todd St. John
NCDENR
Division of Water Quality
1621 Mail Service Center
Raleigh, NC 27698-1621
August 6, 2001
RE: Brookmere Subdivision
DWQ
VIA Facsimile &
919-733-6893
Dear Mr. St. John:
Per your letter dated July 17, 2001, we have revised the ponds for The Brookmere
subdivision as follows:

Pond 1
a) Reduced the sediment forebay to 22% of permanent pool size.
b) Added a 58 foot level spreader. Plan view and detail attached.
Pond 2
a) Converted to extended detention wetland. Revised plan view and details attached.
If you have any questions or require additional information, please do not hesitate to call.
Thank you for your time and efforts on our behalf.
Sincerely,
INSITE Engineering & Surveying
thony R. Gaffey, 4PE.
c: Mr. Wayne Stover, Landcraft Properties
Mr. Leonard Rindner, P.W.S.
Engineering Surveying
201 North Tryon Street 10801 Johnston Road
Suite 2670 Suite 207
Charlotte, NC 28202 Charlotte, NC 28226
T.• [phone] ? F [phone] T.• [phone] ? F• [phone]
NO:T'E= STORM DRA NA?1= EASEMENT
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BROOKMERE PHASE 2 POND 2
EXTENDED WETLAND DESIGN
DRAINAGE AREA = 13.63 ACRES
PERCENT IMPERVIOUS = 40
DETERMINE PERMANENT POOL SURFACE AREA:
FROM TABLE 1:1 WITH A PERMANENT POOL DEPTH OF 3 FEET AND 40 PERCENT IMPERVIOUS:
SA/DA = 1.73
REQUIRED SURFACE AREA = (SA/DA)/100 X DRAINAGE AREA
REQUIRED SURFACE AREA = 0.235799 ACRES =
PROVIDED SURFACE AREA =
LOW MARSH AREA =
HIGH MARSH AREA =
MICROPOOL AREA =
3590 SQUARE FEET OR
3,862 SQUARE FEET OR
1376 SQUARE FEET OR
VOLUME TO BE CONTROLLED FROM THE 1 INCH STORM:
RUNOFF VOLUME CALCULATION FROM THE SIMPLE METHOD:
35 PERCENT D t(
37 PERCENT
13 PERCENT
Rv = 0.05 + 0.009(1) Rv = RUNOFF COEFFICIENT I = PERCENT IMPERVIOUS
Rv = 0.41
VOLUME THAT MUST BE CONTROLLED DESIGN RAINFALL x Rv x DRAINAGE AREA
VOLUME THAT MUST BE CONTROLLED = 0.465692 ACRE FEET = 20,286 CUBIC FEET
VOLUME PROVIDED AT ELEVATION 638.60 = 23,649 CUBIC FEET
EXTENDED DETENTION STORAGE OUTLET SIZE DETERMINATION:
MAXIMUM HEAD AT EXTENDED DETENTION STORAGE = 2 FEET
PEAK OUTFLOW RATE FOR DRAWDOWN TIME OF 48 HOURS:
Qpeak = S/(0.5 x 3600 x 48) WHICH EQUALS: STORAGE x 0.0000116 = 0.274328
REQUIRED ORIFICE AREA: A=Qpeak/(0.6 x (64.4 x h)^0.5
REQUIRED ORIFICE AREA = 0.040287 FEET
DIAMETER OF A CIRCULAR ORIFICE = 2 x (REQUIRED ORIFICE AREA/3.14)"0.5
DIAMETER OF A CIRCULAR ORIFICE = 0.226483 FEET = 2.717798 INCHES
USE 3.0 INCH ORIFICE
10,271 SQUARE FEET
10,350 SQUARE FEET
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I
SITE
Engineering &
Surveying
Mr. Todd St. John
NCDENR
Division of Water Quality
1621 Mail Service Center
Raleigh, NC 27698-1621
Dear Mr. St. John:
July 9, 2001
RE: Brookmere Subdivision
Mecklenburg County
DWQ Project # 010352

ti
?k
The Brookmere subdivision includes two (2) wet detention basins. Both basins were
designed following the most recent version of the NC DENR Stormwater Best Practices
Manual. Per the design guidelines, both facilities were designed to remove 85% TSS.
Find enclose copies of the stormwater management plans for wet detention basins one (1)
and two (2) for the Brookmere Subdivision.
If you have any questions or require additional information, please do not hesitate to call.
Thank you for your time and efforts on our behalf.
Sincerely,
INSITE Engineering & Surveying
'?? k ,-
Anthony R. Gaffey, P.E.
c: Mr. Wayne Stover, Landcraft Properties
Mr. Leonard Rindner, P.W.S.
Engineering
201 North Tryon Street
Suite 2670
Charlotte, NC 28202
T. [phone] ? F.• [phone]
Surveying
10801 Johnston Road
Suite 207
Charlotte, NC 28226
T.- [phone] ? F [phone]
I
t
Permit No.
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
(to be provided by DWQ)
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
WET DETENTION BASIN SUPPLEMENT
This form may be photocopied for use as an original
DWO Stormwater Management Plan Review:
A complete stormwater management plan submittal includes an application form, a wet detention basin
supplement for each basin, design calculations, and plans and specifications showing all basin and outlet
structure details.
I. PROJECT INFORMATION
Project Name: ro o n-?z Pin -
Z-Contact Person: Phone Number: (-?o¢)'`X 3 a 13
For projects with multiple basins, specify which basin this worksheet applies to: t
elevations
Basin Bottom Elevation 41 l 1 0? ft. (floor of the basin)
Permanent Pool Elevation 6 2-0, o U ft. (elevation of the orifice)
Temporary Pool Elevation tot Z .. +O ft. (elevation of the discharge structure overflow)
areas
Permanent Pool Surface Area 4-7 y sq. ft. (water surface area at the orifice elevation)
Drainage Area 4:(, 21 ac. (on-site and off-site drainage to the basin)
Impervious Area ac. (on-site and off-site drainage to the basin)
volumes
Permanent Pool Volume i Z 1 i 4Z cu. ft. (combined volume of main basin and forebay)
Temporary Pool Volume <v +, 003 cu. ft. (volume detained above the permanent pool)
Forebay Volume 2 4 ; -17 Z cu. ft. (approximately 20% of total volume)
Other parameters
SA/DAI
Diameter of Orifice
Design Rainfall
Design TSS Removal 2
?, 2-
4,o in.
1,0 in.
815 %
(surface area to drainage area ratio from DWQ table)
(2 to S day temporary pool draw-down required)
(minimum 85% required)
Form SWU-102 Rev 3.99 Page I of 4
Footnotes:
When using the Division SA/DA tables, the correct SA/DA ratio for permanent pool sizing should be computed based upon the
actual impervious % and permanent pool depth. Linear interpolation should be employed to determine the correct value for non-
standard table entries.
In the 20 coastal counties, the requirement for a vegetative filter may be waived if the wet detention basin is designed to provide
90% TSS removal. The NCDENR BMP manual provides design tables for both 85% TSS removal and 90% TSS removal.
H. REQUIRED ITEMS CHECKLIST
The following checklist outlines design requirements per the Stormwater Best Management Practices Manual
(N.C. Department of Environment, Health and Natural Resources, February 1999) and Administrative Code
Section: 15 A NCAC 2H .1008.
Initial in the space provided to indicate the following design requirements have been met and supporting
documentation is attached. If the applicant has designated an agent in the Stormwater Management Permit
Application Form, the agent may initial below. If a requirement has not been met, attach justification.
Applicants Initials
Ak-R-CA a. The permanent pool depth is between 3 and 6 feet (required minimum of 3 feet).
A 1Z b. The forebay volume is approximately equal to 20% of the basin volume.
k 12 G c. The temporary pool controls runoff from the design storm event.
AtZ6 d. The temporary pool draws down in 2 to 5 days.
NIA e. If required, a 30-foot vegetative filter is provided at the outlet (include non-erosive flow
calculations)
f. The basin length to width ratio is greater than 3:1.
kt zG g. The basin side slopes above the permanent pool are no steeper than 3:1.
M h. A submerged and vegetated perimeter shelf with a slope of 6:1 or less (show detail).
12 C-7 i. Vegetative cover above the permanent pool elevation is specified.
APE G? j. A trash rack or similar device is provided for both the overflow and orifice.
A R C? k. A recorded drainage easement is provided for each basin including access to nearest right-
of-way.
7 1? L7 1. If the basin is used for sediment and erosion control during construction, clean out of the
basin is specified prior to use as a wet detention basin.
1Z. G7 m. A mechanism is specified which will drain the basin for maintenance or an emergency.
Ih /i?u 40 17
3 = l rc #,?
ci:^, i5 ?C4 _ fo Lgq.,c_r
WET DETENTION BASIN OPERATION AND MAINTENANCE AGREEMENT
III
F
. rh e_ ?? ?? ova
5?c/
The wet detention basin system is defined as the wet detention basin, pretreatment including forebays and the
vegetated filter if one is provided.
This system (check one) 0 does ID"does not incorporate a vegetated filter at the outlet.
This system (check one) 0 does Vdoes not incorporate pretreatment other than a forebay.
Form SWU-102 Rev 3.99 Page 2 of 4
Maintenance activities shall be performed as follows:
1. After every significant runoff producing rainfall event and at least monthly:
a. Inspect the wet detention basin system for sediment accumulation, erosion, trash accumulation,
vegetated cover, and general condition.
b. Check and clear the orifice of any obstructions such that drawdown of the temporary pool occurs within
2 to 5 days as designed.
2. Repair eroded areas immediately, re-seed as necessary to maintain good vegetative cover, mow vegetative
cover to maintain a maximum height of six inches, and remove trash as needed.
3. Inspect and repair the collection system (i.e. catch basins, piping, swales, riprap, etc.) quarterly to maintain
proper functioning.
4. Remove accumulated sediment from the wet detention basin system semi-annually or when depth is
reduced to 75% of the original design depth (see diagram below). Removed sediment shall be disposed of
in an appropriate manner and shall be handled in a manner that will not adversely impact water quality (i.e.
stockpiling near a wet detention basin or stream, etc.).
The measuring device used to determine the sediment elevation shall be such that it will give an accurate
depth reading and not readily penetrate into accumulated sediments.
When the permanent pool depth reads
When the permanent pool depth reads
3,3 ° feet in the main pond, the sediment shall be removed.
'?0-7 b feet in the forebay, the sediment shall be removed.
BASIN DIAGRAM
(fill in the blanks)
Permanent Pool Elevation ('.20,00
Sediment
Bottom
El. G 13 ,'?
on
Sediment Removal Elevation &/ 610 750/e
--------------------------------------- ----
Bottom Elevation (,I I ' 00 25%
FOREBAY
MAIN POND
5. Remove cattails and other indigenous wetland plants when they cover 50% of the basin surface. These
plants shall be encouraged to grow along the vegetated shelf and forebay berm.
6. If the basin must be drained for an emergency or to perform maintenance, the flushing of sediment through
the emergency drain shall be minimized to the maximum extent practical.
Form SWU-102 Rev 3.99 Page 3 of 4
7. All components of the wet detention basin system shall be maintained in good working order.
I acknowledge and agree by my signature below that I am responsible for the performance of the seven
maintenance procedures listed above. I agree to notify DWQ of any problems with the system or prior to any
changes to the system or responsible parry.
Print name: 5c © ++ A , e-4
Title:? .. Vice r<- 51
Address: ?^• o 2 G,150
'-In e4
{
Phone:
Signature:
-cl? ,
Note: The legally responsible party should not be a homeowners association unless more than 50% of the lots have been sold and a
resident of the subdivision has been named the president.
a Notary Public for the State of AXIGz.L a A'61®- ®- - -
County of o hereby certify that Ce -
Personally appeared before me this ';I day of moo/ , and acknowledge the due
execution of the forgoing wet detention basin maintenance requirements. Witness my hand and official seal,
SEAL
My commission expires
Form SWU-102 Rev 3.99 Page 4 of 4

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Project: Brookmere Subdivision Phase 2
Basins One(1) and Two (2)
Planting Plan For Vegetated Wetland Bench - Use of Existing Hydric Soil
Soil from the existing wetland areas that have permitted for impacts will be stripped and
stored as feasible for utilization in lining the proposed wetland site. Other topsoil adjacent
to the wetlands may also be suitable. Using these existing soils should hasten the
development of vegetated cover and hydric soil conditions. This is also an excellent use
of an important natural resource.
Many of the recommended planted species currently exist in the vicinity of the area to be
utilized for this function. The majority of the species in the wetlands include Obligate
(OBL) and Facultative Wet (FACW) vegetation. Herbaceous plant species present
include Soflrush (Juncus effusus), sedge (Carex spp.), Duck potato (Sagitaria latifolia,
Arrow arum (Peltandra virginia), Common Three-Square (Scirpus pungens), Touch-me-
not (Impatiens capensis), Smartweed (Polygonum spp.), and others. Supplemental
plantings will be selected from Table 11.2 in the Storm water Best Management Practices,
NCDENR, April, 1999 based on actual field conditions, if required. Being that the site is
in the vicinity of other wetlands and floodplain areas it is expected that the area will
benefit from the natural seed sources available. It is expected that herbaceous and
scrub/shrub wetland species will rapidly volunteer in the area.
Emergent Zone Schedule - if'required
Botanical Name Common Name Size Notes
Rushes/Sedges*
Juncus effusus Smooth Needle Rush 2 yr. peat pot T O/C.
Scirp. americanusCommon Three Square 2 yr. peat pot 3' O/C.
Acoris calamus Sweet Flag 2 yr. peat pot 3' O/C.
Shallow Water Plants
Peltandra virginica Arrow Arum 2 yr. peat pot 3' O/C.
Sagitaria latifolia Duck Potato 2 yr. peat pot 3' O/C.
Saururus cernus Lizard's Tail 2 yr. peat pot 3' O/C.
Nuphar luteum Spatterdock 2 yr. peat pot 3' O/C.
Planting shall be in naturalistic / random clumps to encourage diversity. Specific plant
species, quantities, and size, which will be utilized for the mitigation sites will be
dependent on availability, cost, time of year in which planting occurs. Control structures
such as sedimentation traps, siltation barriers, and/or at a minimum silt fence will be
utilized as necessary.
i
Seeding Specification for Herbaceous and Cover Crop in Wetland Mitigation Sites
Zone 1 - Wetland areas in temporarily saturated soils or subject to occasional and brief inundation
Dates Types Rate
April 1 - Jul. 15 Red Top Grass
Smartweed
7 lbs/acre
201bs /acre
Jul. 16 - Sept. 1 Temporary Crop
Jap. Millet or Sorghum 201bs /acre
(to be followed by permanent mixture)
Sept. 2 - Nov. 1 Smartweed
Red Top Grass
201bs /acre
7 lbs/acre
Nov. 1 - March 31 Temporary Crop 40 lbs /acre
Wheat or Winter Rye
(to be followed by permanent mixture)
The following species may be substituted:
- Bidens connata (Beggar's Tick) and other Biden's species
- Leersia oryzoides (Rice Cutgrass)
- Panicum viraturn (Switchgrass)
- Peltandra virginica (Arrow Arum)
Seeding Instructions
1) Seed in the dry period
2) Use of filler, such as sand to dilute the seed to ensure uniform ground coverage
when broadcasting
3) Tree and shrub planting should be completed first before seeding
4) Pure live seed shall be specified and approved prior to planting.
Herbaceous species may with a wetland seed mix which will result in coverage of at least
100 stems per square meter upon germination. Substitutions may be permitted with
approval. Other native grasses or annuals may be selected. No fescue will be used in
wetland areas. Annual grasses shall be utilized for stabilization on surrounding slopes
within Mitigation Area rather than perennials to allow natural succession. If a perennial is
required for erosion control than a mixture shall be selected that allows natural
volunteering to occur.
Pond # 2 Computations
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BROOKMERE PH. 2 POND 2
EXTENDED DETENTION WET POND DESIGN
DRAINAGE AREA = 13.63 ACRES
PERCENT IMPERVIOUS = 40
DETERMINE PERMANENT POOL SURFACE AREA:
FROM TABLE 1:1 WITH A PERMANENT POOL DEPTH OF 3 FEET AND 40 PERCENT IMPERVIOUS:
SAIDA = 1.73
REQUIRED SURFACE AREA = (SA/DA)/100 X DRAINAGE AREA
REQUIRED SURFACE AREA= 0.235799 ACRES = 10,271 SQUARE FEET
SURFACE AREA PROVIDED AT ELEVATION 637.60 = 10,350 SQUARE FEET
VOLUME OF PERMANENT POOL = 26,275 CUBIC FEET
20% OF PERMANENT POOL = 5,255 CUBIC FEET
VOLUME TO BE CONTROLLED FROM THE 1 INCH STORM:
RUNOFF VOLUME CALCULATION FROM THE SIMPLE METHOD:
Rv = 0.05 + 0.009(1) Rv = RUNOFF COEFFICIENT I = PERCENT IMPERVIOUS
Rv = 0.41
VOLUME THAT MUST BE CONTROLLED = DESIGN RAINFALL x Rv x DRAINAGE AREA
VOLUME THAT MUST BE CONTROLLED = 0.465692 ACRE FEET = 20,286 CUBIC FEET
VOLUME PROVIDED AT ELEVATION 638.60 = 23,649 CUBIC FEET
EXTENDED DETENTION STORAGE OUTLET SIZE DETERMINATION:
MAXIMUM HEAD AT EXTENDED DETENTION STORAGE = 1 FEET
PEAK OUTFLOW RATE FOR DRAWDOWN TIME OF 48 HOURS:
Qpeak = S/(0.5 x 3600 x 48) WHICH EQUALS: STORAGE x 0.0000116 = 0.274328
REQUIRED ORIFICE AREA: A=Qpeak/(0.6 x (64.4 x h)^0.5
REQUIRED ORIFICE AREA = 0.056974 FEET
DIAMETER OF A CIRCULAR ORIFICE = 2 x (REQUIRED ORIFICE AREA/3.14)"0.5
DIAMETER OF A CIRCULAR ORIFICE = 0.269335 FEET = 3.232024 INCHES
USE 3.0 INCH ORIFICE
MAXIMUM HEAD FOR BOTTOM DRAIN = 6.7 FEET
TOTAL POND STORAGE = 26,275
PEAK OUTFLOW RATE FOR DRAWDOWN TIME OF 24 HOURS:
Qpeak = S/(0.5 x 3600 x 24) WHICH EQUALS: STORAGE x 0.0000231 = 0.606953
REQUIRED ORIFICE AREA: A=Qpeak/(0.6 x (64.4 x h)^0.5
REQUIRED ORIFICE AREA = 0.048699 FEET
DIAMETER OF A CIRCULAR ORIFICE = 2 x (REQUIRED ORIFICE AREA/3.14)^0.5
DIAMETER OF A CIRCULAR ORIFICE = 0.24901 FEET = 2.988119 INCHES
USE 6.0 INCH ORIFICE
TO AVOID CLOGGING
Outlet Structure Configuration
Outlet Structure Configuration for Brookmere - Pond 2
Stage 1: Circular Orifice
Invert Elevation = 636.7 feet
Diameter = .25 feet
Discharge Coefficient = .6
Stage 2: Rectangular Weir
Crest Elevation = 638.6 feet
Length =12.56 feet
Discharge Coefficient = 3.1
Stage 3: Emergency Spillway
Crest Elevation = 639.5 feet
Crest Length =10 feet
Discharge Coefficient = 3
Stage 4: Outfall Culvert
Invert Elevation = 626.34 feet
Pipe Diameter = 3 feet
Pipe Length = 67 feet
Pipe Slope =.02 ft/ft
Manning n =.013
Entrance Condition = SEH
Number of Barrels = 1
Basin Rating Curve
Outlet Rating Table for Brookmere - Pond 2
Basin
Water
Elevation Basin
Outflow
WS) Riser Bog
Water
Elevation Tailwater
Elevation
(ft) Outfall
Culvert
Control
636.70 0.00 626.34 N/A N/A
636.90 0.06 626.34 N/A ORIFICE CONT
637.10 0.12 626.48 N/A ORIFICE CONT
637.30 0.16 626.48 N/A ORIFICE CONT
637.50 0.19 626.48 N/A ORIFICE CONT
637.70 0.22 626.48 N/A ORIFICE CONT
637.90 0.25 626.54 N/A ORIFICE CONT
638.10 0.27 626.54 N/A ORIFICE CONT
638.30 0.29 626.54 N/A ORIFICE CONT
638.50 0.31 626.54 N/A ORIFICE CONT
638.70 1.61 626.88 N/A ORIFICE CONT
638.90 6.84 627.49 N/A ORIFICE CONT
639.10 14.26 628.03 N/A ORIFICE CONT
639.30 23.34 628.53 N/A ORIFICE CONT
639.50 33.83 629.00 N/A ORIFICE CONT
639.70 48.23 629.45 N/A ORIFICE CONT
639.90 65.97 629.89 N/A ORIFICE CONT
640.10 86.18 631.64 N/A ORIFICE CONT
640.30 108.52 632.30 N/A ORIFICE CONT
640.50 131.87 632.95 N/A ORIFICE CONT
Basin Storage/Elevation Input

Elevation Storage 5,,r?r-c e Aec&%?
(ft) (acre-ft) (a ert )
2 o o ¢ ¢
63
0 .0022 o L v
632 .0357
634 .1395
636 .424 .2 019
O 356 2
l
636.7 .6032 _
. 2 3 7 6
638 .9361 3021
638.6 1.1461 33 ps
640 1.636 3 g? 8
Modified Puls Routing
Inflow Hydrograph: G:\PROJECT2\LCP\BROOKM-I\STORM\VTPSUHM\POND2\B2-10YR.HYD
Storage/Elevation Curve: G:\PROJECT2\LCP\BROOKM-1\STORM\VTPSUHM\POND2\B2VOL.ES
Discharge/Elevation Curve: G:\PROJECT2\LCP\BROOKM-I\STORM\VTPSuHM\POND2\B2.EO
Basin Bypass Capacity = 0.0 cfs
Starting Pool Elevation = 636.7 feet
Time Interval = 6.541666E-02 hours
Event Hydrograph Basin Storage Elevation Basin Outflow
Time Inflow Inflow Used Above MSL Outflow Total
(hours) (cfs) (cfs) (acre-ft) (feet) (cfs) (cfs)
20.00 0.00 0.00 0.603 636.70 0.22 0.22
20.07 0.85 0.85 0.605 636.71 0.00 0.00
20.13 1.69 1.69 0.612 636.73 0.01 0.01
20.20 2.54 2.54 0.623 636.78 0.02 0.02
20.26 3.38 3.38 0.639 636.84 0.04 0.04
20.33 4.07 4.07 0.659 636.92 0.06 0.06
20.39 4.77 4.77 0.682 637.01 0.09 0.09
20.46 5.46 5.46 0.709 637.11 0.13 0.13
20.52 6.15 6.15 0.740 637.23 0.15 0.15
20.59 15.19 15.19 0.797 637.46 0.19 0.19
20.65 24.23 24.23 0.902 637.87 0.24 0.24
20.72 33.27 33.27 1.056 638.34 0.29 0.29
20.78 42.31 42.31 1.243 638.88 6.22 6.22
20.85 35.57 35.57 1.378 639.26 21.65 21.65
20.92 28.82 28.82 1.419 639.38 27.54 27.54
20.98 22.08 22.08 1.411 639.36 26.34 26.34
21.05 15.34 15.34 1.381 639.27 22.08 22.08
21.11 12.69 12.69 1.349 639.18 17.89 17.89
21.18 10.05 10.05 1.323 639.11 14.50 14.50
21.24 7.40 7.40 1.299 639.04 11.89 11.89 -
21.31 4.76 4.76 1.274 638.97 9.30 9.30
21.37 4.55 4.55 1.255 638.91 7.23 7.23
21.44 4.35 4.35 1.243 638.88 6.20 6.20
21.50 4.14 4.14 1.234 638.85 5.54 5.54
21.57 3.93 3.93 1.227 638.83 5.04 5.04
21.64 3.70 3.70 1.221 638.82 4.63 4.63
21.70 3.46 3.46 1.217 638.80 4.27 4.27
21.77 3.22 3.22 1.212 638.79 3.96 3.96
21.83 2.98 2.98 1.209 638.78 3.67 3.67
21.90 2.90 2.90 1.205 638.77 3.43 3.43
21.96 2.83 2.83 1.203 638.76 3.24 3.24
22.03 2.75 2.75 1.201 638.76 3.09 3.09
22.09 2.68 2.68 1.199 638.75 2.96 2.96
22.16 2.62 2.62 1.198 638.75 2.86 2.86
22.22 2.56 2.56 1.197 638.74 2.77 2.77
22.29 2.50 2.50 1.195 638.74 2.69 2.69
22.35 2.44 2.44 1.194 638.74 2.61 2.61
Event Hydrograph Basin Storage Elevation Basin Outflow
Time Inflow Inflow Used Above MSL Outflow Total
(hours) (cfs) (cfs) (acre-ft) (feet) (cfs) (cfs)
22.42 2.39 2.39 1.194 638.74 2.54 2.54
22.49 2.34 2.34 1.193 638.73 2.48 2.48
22.55 2.29 2.29 1.192 638.73 2.43 2.43
22.62 2.24 2.24 1.191 638.73 2.37 2.37
22.68 2.20 2.20 1.191 638.73 2.32 2.32
22.75 2.16 2.16 1.190 638.73 2.27 2.27
22.81 2.12 2.12 1.189 638.72 2.23 2.23
22.88 2.08 2.08 1.189 638.72 2.19 2.19
22.94 2.04 2.04 1.188 638.72 2.14 2.14
23.01 2.01 2.01 1.188 638.72 2.10 2.10
23.07 1.98 1.98 1.187 638.72 2.07 2.07
23.14 1.94 1.94 1.187 638.72 2.03 2.03
23.21 1.91 1.91 1.186 638.71 2.00 2.00
23.27 1.88 1.88 1.186 638.71 1.96 1.96
23.34 1.85 1.85 1.185 638.71 1.93 1.93
23.40 1.82 1.82 1.185 638.71 1.90 1.90
23.47 1.80 1.80 1.185 638.71 1.87 1.87
23.53 1.77 1.77 1.184 638.71 1.84 1.84
23.60 1.75 1.75 1.184 638.71 1.81 1.81
23.66 1.72 1.72 1.183 638.71 1.79 1.79
23.73 1.70 1.70 1.183 638.71 1.76 1.76
23.79 1.68 1.68 1.183 638.70 1.74 1.74
23.86 1.65 1.65 1.182 638.70 1.71 1.71
23.92 1.63 1.63 1.182 638.70 1.69 1.69
23.99 1.61 1.61 1.182 638.70 1.67 1.67
24.06 1.59 1.59 1.182 638.70 1.64 1.64
24.12 1.57 1.57 1.181 638.70 1.62 1.62
24.19 1.55 1.55 1.181 638.70 1.61 1.61
24.25 1.53 1.53 1.181 638.70 1.60 1.60
24.32 1.52 1.52 1.180 638.70 1.60 1.60
24.38 1.50 1.50 1.180 638.70 1.59 1.59
24.45 1.48 1.48 1.179 638.69 1.58 1.58
24.51 1.46 1.46 1.179 638.69 1.57 1.57
24.58 1.45 1.45 1.178 638.69 1.56 1.56
24.64 1.43 1.43 1.177 638.69 1.55 1.55
24.71 1.42 1.42 1.177 638.69 1.53 1.53
24.78 1.40 1.40 1.176 638.69 1.52 1.52
24.84 1.39 1.39 1.176 638.68 1.51 1.51
24.91 1.37 1.37 1.175 638.68 1.50 1.50
24.97 1.36 1.36 1.174 638.68 1.49 1.49
25.04 1.35 1.35 1.174 638.68 1.47 1.47
25.10 1.33 1.33 1.173 638.68 1.46 1.46
25.17 1.32 1.32 1.172 638.67 1.45 1.45
25.23 1.31 1.31 1.171 638.67 1.43 1.43
25.30 1.29 1.29 1.171 638.67 1.42 1.42
25.36 1.28 1.28 1.170 638.67 1.41 1.41
25.43 1.27 1.27 1.169 638.67 1.40 1.40
25.49 1.26 1.26 1.169 638.66 1.38 1.38
Event
Time
(hours) Hydrograph
Inflow
(cfs) Basin
Inflow
(cfs) Storage
Used
(acre-ft) Elevation Basin
Above MSL Outflow
(feet) (cfs) Outflow
Total
(cfs)
25.56 1.25 1.25 1.168 638.66 1.37 1.37
25.63 1.24 1.24 1.167 638.66 1.36 1.36
25.69 1.22 1.22 1.167 638.66 1.35 1.35
25.76 1.21 1.21 1.166 638.66 1.33 1.33
25.82 1.20 1.20 1.165 638.66 1.32 1.32
25.89 1.19 1.19 1.165 638.65 1.31 1.31
25.95 1.18 1.18 1.164 638.65 1.30 1.30
26.02 1.17 1.17 1.164 638.65 1.29 1.29
26.08 1.16 1.16 1.163 638.65 1.28 1.28
26.15 1.15 1.15 1.162 638.65 1.26 1.26
26.21 1.14 1.14 1.162 638.64 1.25 1.25
26.28 1.14 1.14 1.161 638.64 1.24 1.24
26.35 1.13 1.13 1.161 638.64 1.23 1.23
26.41 1.12 1.12 1.160 638.64 1.22 1.22
26.48 1.11 1.11 1.160 638.64 1.21 1.21
26.54 1.10 1.10 1.159 638.64 1.20 1.20
-,qq?
Total Routing Mass Balance Discrepancy is 0.03%
Modified Puls Routing
Inflow Hydrograph: G:\PROJECT2\LCP\BROOKM-1\STORM\VTPSUHM\POND2\B2-100YR.HYD
Storage/Elevation Curve: G:\PROJECT2\LCP\BROOKM 1\STORM\VTPSUIEM"OND2\B2VOL.ES
Discharge/Elevation Curve: G:\PROJECT2\LCP\BROOKM-1\STORM\VTPSUHM\POND2\B2.EO
Basin Bypass Capacity = 0.0 cfs
Starting Pool Elevation = 636.7 feet
Time Interval = 6.541666E-02 hours
Event
Time
(hours) Hydrograph
Inflow
(cfs) Basin
Inflow
(cfs) Storage
Used
(acre-ft) Elevation Basin
Above MSL Outflow
(feet) (cfs) Outflow
Total
(cfs)
0.00 0.00 0.00 0.603 636.70 0.22 0.22
0.07 1.23 1.23 0.606 636.71 0.00 0.00
0.13 2.45 2.45 0.616 636.75 0.01 0.01
0.20 3.68 3.68 0.632 636.81 0.03 0.03
0.26 4.90 4.90 0.655 636.90 0.06 0.06
0.33 5.91 5.91 0.684 637.02 0.10 0.10
0.39 6.91 6.91 0.718 637.15 0.13 0.13
0.46 7.91 7.91 0.757 637.30 0.16 0.16
0.52 8.92 8.92 0.802 637.48 0.19 0.19
0.59 22.03 22.03 0.884 637.80 0.23 0.23
0.65 35.14 35.14 1.037 638.29 0.29 0.29
0.72 48.24 48.24 1.245 638.88 6.37 6.37
0.78 61.35 61.35 1.441 639.44 30.78 30.78
0.85 51.57 51.57 1.532 639.70 48.43 48.43
0.92 41.79 41.79 1.526 639.69 47.16 47.16
0.98 32.02 32.02 1.490 639.58 39.83 39.83
1.05 22.24 22.24 1.444 639.45 31.34 31.34
1.11 18.40 18.40 1.402 639.33 24.99 24.99
1.18 14.57 14.57 1.368 639.24 20.41 20.41
1.24 10.73 10.73 1.337 639.15 16.38 16.38
1.31 6.90 6.90 1.306 639.06 12.71 12.71
1.37 6.60 6.60 1.281 638.99 10.05 10.05
1.44 6.30 6.30 1.266 638.94 8.45 8.45
1.50 6.00 6.00 1.257 638.92 7.42 7.42
1.57 5.70 5.70 1.250 638.90 6.75 6.75
1.64 5.36 5.36 1.244 638.88 6.34 6.34
1.70 5.01 5.01 1.239 638.87 5.95 5.95
1.77 4.67 4.67 1.234 638.85 5.58 5.58
1.83 4.32 4.32 1.229 638.84 5.21 5.21
1.90 4.21 4.21 1.225 638.83 4.90 4.90
1.96 4.10 4.10 1.222 638.82 4.65 4.65
2.03 3.99 3.99 1.219 638.81 4.45 4.45
2.09 3.88 3.88 1.217 638.80 4.27 4.27
2.16 3.79 3.79 1.215 638.80 4.13 4.13
2.22 3.71 3.71 1.213 638.79 4.00 4.00
2.29 3.62 3.62 1.212 638.79 3.89 3.89
2.35 3.53 3.53 1.210 638.78 3.78 3.78
Event Hydrograph Basin Storage Elevation Basin Outflow
Time Inflow Inflow Used Above MSL Outflow Total
(hours) (cfs) (cfs) (acre-ft) (feet) (cfs) (cfs)
2.42 3.46 3.46 1.209 638.78 3.69 3.69
2.49 3.39 3.39 1.208 638.78 3.60 3.60
2.55 3.32 3.32 1.207 638.77 3.52 3.52
2.62 3.25 3.25 1.206 638.77 3.44 3.44
2.68 3.19 3.19 1.205 638.77 3.37 3.37
2.75 3.13 3.13 1.204 638.76 3.30 3.30
2.81 3.07 3.07 1.203 638.76 3.23 3.23
2.88 3.01 3.01 1.202 638.76 3.17 3.17
2.94 2.96 2.96 1.201 638.76 3.11 3.11
3.01 2.91 2.91 1.200 638.76 3.05 3.05
3.07 2.86 2.86 1.200 638.75 3.00 3.00
3.14 2.82 2.82 1.199 638.75 2.94 2.94
3.21 2.77 2.77 1.198 638.75 2.89 2.89
3.27 2.73 2.73 1.198 638.75 2.85 2.85
3.34 2.69 2.69 1.197 638.75 2.80 2.80
3.40 2.64 2.64 1.196 638.74 2.75 2.75
3.47 2.61 2.61 1.196 638.74 2.71 2.71
3.53 2.57 2.57 1.195 638.74 2.67 2.67
3.60 2.53 2.53 1.195 638.74 2.63 2.63
3.66 2.50 2.50 1.194 638.74 2.59 2.59
3.73 2.46 2.46 1.194 638.74 2.55 2.55
3.79 2.43 2.43 1.193 638.73 2.52 2.52
3.86 2.40 2.40 1.193 638.73 2.48 2.48
3.92 2.37 2.37 1.192 638.73 2.45 2.45
3.99 2.34 2.34 1.192 638.73 2.42 2.42
4.06 2.31 2.31 1.191 638.73 2.38 2.38
4.12 2.28 2.28 1.191 638.73 2.35 2.35
4.19 2.25 2.25 1.191 638.73 2.32 2.32
4.25 2.22 2.22 1.190 638.73 2.29 2.29
4.32 2.20 2.20 1.190 638.72 2.27 2.27
4.38 2.17 2.17 1.189 638.72 2.24 2.24
4.45 2.15 2.15 1.189 638.72 2.21 2.21
4.51 2.12 2.12 1.189 638.72 2.19 2.19
4.58 2.10 2.10 1.188 638.72 2.16 2.16
4.64 2.08 2.08 1.188 638.72 2.14 2.14
4.71 2.05 2.05 1.188 638.72 2.11 2.11
4.78 2.03 2.03 1.187 638.72 2.09 2.09
4.84 2.01 2.01 1.187 638.72 2.07 2.07
4.91 1.99 1.99 1.187 638.72 2.05 2.05
4.97 1.97 1.97 1.187 638.72 2.02 2.02
5.04 1.95 1.95 1.186 638.71 2.00 2.00
5.10 1.93 1.93 1.186 638.71 1.98 1.98
5.17 1.91 1.91 1.186 638.71 1.96 1.96
5.23 1.89 1.89 1.185 638.71 1.94 1.94
5.30 1.88 1.88 1.185 638.71 1.92 1.92
5.36 1.86 1.86 1.185 638.71 1.90 1.90
5.43 1.84 1.84 1.185 638.71 1.89 1.89
5.49 1.82 1.82 1.185 638.71 1.87 1.87

Event Hydrograph Basin Storage Elevation Basin Outflow
Time Inflow Inflow Used Above MSL Outflow Total
(hours) (cfs) (cfs) (acre-ft) (feet) (cfs) (cfs)
5.56 1.81 1.81 1.184 638.71 1.85 1.85
5.63 1.79 1.79 1.184 638.71 1.83 1.83
5.69 1.78 1.78 1.184 638.71 1.82 1.82
5.76 1.76 1.76 1.184 638.71 1.80 1.80
5.82 1.75 1.75 1.183 638.71 1.78 1.78
5.89 1.73 1.73 1.183 638.71 1.77 1.77
5.95 1.72 1.72 1.183 638.71 1.75 1.75
6.02 1.70 1.70 1.183 638.70 1.74 1.74
6.08 1.69 1.69 1.183 638.70 1.72 1.72
6.15 1.67 1.67 1.182 638.70 1.71 1.71
6.21 1.66 1.66 1.182 638.70 1.70 1.70
6.28 1.65 1.65 1.182 638.70 1.68 1.68
6.35 1.63 1.63 1.182 638.70 1.67 1.67
6.41 1.62 1.62 1.182 638.70 1.65 1.65
6.48 1.61 1.61 1.181 638.70 1.64 1.64
6.54 1.60 1.60 1.181 638.70 1.63 1.63
Total Routing Mass Balance Discrepancy is 0.02%
? c
Rational Formula H_ydrograph
SCS 24 - Hour Storm Distribution
10 Year, Type 2 Rainfall: 4.80 inches at b2-10yr
Time of Concentration: 15.7 min.
Drainage Area: 13.630 acres.
Weighted 'C' Factor: 0.600
Rainfall Rainfall
Time Incr. Total Intensity Flow
(min) (inches) (inches) (in/hr) (cfs)
0 0.00 0.00 0.00 0.00
16 0.11 0.11 0.41 3.38
31 0.20 0.30 0.75 6.15
47 1.35 1.66 5.17 42.31
63 0.49 2.15 1.88 15.34
79 0.15 2.30 0.58 4.76
94 0.13 2.43 0.48 3.93
110 0.10 2.52 0.36 2.98
126 0.09 2.61 0.33 2.68
141 0.08 2.69 0.30 2.44
157 0.07 2.76 0.27 2.24
At time = 393 minutes, the flow is 1.10 CFS.

Rational Formula Hydrograph
SCS 24 - Hour Storm Distribution
100 Year, Type 2 Rainfall: 6.96 inches at b2-100yr
Time of Concentration: 15.7 min.
Drainage Area: 13.630 acres.
Weighted 'C' Factor: 0.600
Rainfall Rainfall
Time Incr. Total Intensity Flow
(min) (inches) (inches) (in/hr) (cfs)
0 0.00 0.00 0.00 0.00
16 0.16 0.16 0.60 4.90
31 0.29 0.44 1.09 8.92
47 1.96 2.41 7.50 61.35
63 0.71 3.12 2.72 22.24
79 0.22 3.34 0.84 6.90
94 0.18 3.52 0.70 5.70
110 0.14 3.66 0.53 4.32
126 0.12 3.78 0.47 3.88
141 0.11 3.90 0.43 3.53
157 0.10 4.00 0.40 3.25
At time = 393 minutes, the flow is 1.60 CFS.
r ?
Permit No.
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
(to be provided by DWQ)
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
WET DETENTION BASIN SUPPLEMENT
This form may be photocopied for use as an original
DWQStormwater Management Plan Review:
A complete stormwater management plan submittal includes an application form, a wet detention basin
supplement for each basin, design calculations, and plans and specifications showing all basin and outlet
structure details.
I. PROJECT INFORMATION
Project Name: r Oo k me s? c ?-
Contact Person: 1 1WL4 i"L . Cam.. c Phone Number: (7o Q-) 3-1 - o t €
For projects with multiple basins, specify which basin this worksheet applies to: Z
elevations
Basin Bottom Elevation ft. (floor of the basin)
Permanent Pool Elevation 3Gp,'7 o ft. (elevation of the orifice)
Temporary Pool Elevation x'38 • (oD ft. (elevation of the discharge structure overflow)
areas
Permanent Pool Surface Area 10 0 sq. ft. (water surface area at the orifice elevation)
Drainage Area 3 3 ac. (on site and off-site drainage to the basin)
Impervious Area 5,4 ac. (on-site and off-site drainage to the basin)
volumes
Permanent Pool Volume 2 (?, Z15 cu. ft. (combined volume of main basin and forebay)
Temporary Pool Volume Z 3. 6*9 cu. ft. (volume detained above the permanent pool)
Forebay Volume 5, 2 8 8 cu. ft. (approximately 20% of total volume)
Other parameters
SA/DA1 t . -7 3 (surface area to drainage area ratio from DWQ table)
Diameter of Orifice -3" O in. (2 to S day temporary pool draw down required)
Design Rainfall 1,0 in.
Design TSS Removal 2 O Z5 % (minimum 85% required)
Form SWU-102 Rev 3.99 Page 1 of 4
ar-
` Footnotes:
When using the Division SA/DA tables, the correct SA/DA ratio for permanent pool sizing should be computed based upon the
actual impervious % and permanent pool depth. Linear interpolation should be employed to determine the correct value for non-
standard table entries.
In the 20 coastal counties, the requirement for a vegetative filter may be waived if the wet detention basin is designed to provide
901/6 TSS removal. The NCDENR BMP manual provides design tables for both 85% TSS removal and 90% TSS removal.
H. REQUIRED ITEMS CHECKLIST
The following checklist outlines design requirements per the Stormwater Best Management Practices Manual
(N.C. Department of Environment, Health and Natural Resources, February 1999) and Administrative Code
Section: 15 A NCAC 2H. 1008.
Initial in the space provided to indicate the following design requirements have been met and supporting
documentation is attached. If the applicant has designated an agent in the Stormwater Management Permit
Application Form, the agent may initial below. If a requirement has not been met, attach justification.
Applicants Initials
A F-C, a. The permanent pool depth is between 3 and 6 feet (required minimum of 3 feet).
/l 17_G b. The forebay volume is approximately equal to 20% of the basin volume.
A a- -g c. The temporary pool controls runoff from the design storm event.
fZ d. The temporary pool draws down in 2 to 5 days.
N 1 A e. If required, a 30-foot vegetative filter is provided at the outlet (include non-erosive flow
calculations)
fZ C-1 f. The basin length to width ratio is greater than 3:1.
l F (f-1 g. The basin side slopes above the permanent pool are no steeper than 3:1.
A Q C-1 h. A submerged and vegetated perimeter shelf with a slope of 6:1 or less (show detail).
.4 t?.. 6 i. Vegetative cover above the permanent pool elevation is specified.
j. A trash rack or similar device is provided for both the overflow and orifice.
A G?r k. A recorded drainage easement is provided for each basin including access to nearest right-
of-way.
eCl 1. If the basin is used for sediment and erosion control during construction, clean out of the
basin is specified prior to use as a wet detention basin.
A- 24 m. A mechanism is specified which will drain the basin for maintenance or an emergency.
III. WET DETENTION BASIN OPERATION AND MAINTENANCE AGREEMENT
The wet detention basin system is defined as the wet detention basin, pretreatment including forebays and the
vegetated filter if one is provided.
This system (check one) 0 does 16(does not incorporate a vegetated filter at the outlet.
This system (check one) 0 does 8"does not incorporate pretreatment other than a forebay.
Form SWU-102 Rev 3.99 Page 2 of 4
Maintenance activities shall be performed as follows:
1. After every significant runoff producing rainfall event and at least monthly:
a. Inspect the wet detention basin system for sediment accumulation, erosion, trash accumulation,
vegetated cover, and general condition.
b. Check and clear the orifice of any obstructions such that drawdown of the temporary pool occurs within
2 to 5 days as designed.
2. Repair eroded areas immediately, re-seed as necessary to maintain good vegetative cover, mow vegetative
cover to maintain a maximum height of six inches, and remove trash as needed.
3. Inspect and repair the collection system (i.e. catch basins, piping, swales, riprap, etc.) quarterly to maintain
proper functioning.
4. Remove accumulated sediment from the wet detention basin system semi-annually or when depth is
reduced to 75% of the original design depth (see diagram below). Removed sediment shall be disposed of
in an appropriate manner and shall be handled in a manner that will not adversely impact water quality (i.e.
stockpiling near a wet detention basin or stream, etc.).
The measuring device used to determine the sediment elevation shall be such that it will give an accurate
depth reading and not readily penetrate into accumulated sediments.
When the permanent pool depth reads 4- ; o feet in the main pond, the sediment shall be removed.
When the permanent pool depth reads ?53 0 feet in the forebay, the sediment shall be removed.
BASIN DIAGRAM
(fill in the blanks)
?d
Permanent Pool Elevation
Sediment
Bottom
El. 133.3
on
FOREBAY
Sediment Removal Elevation L 34.1 °
---------------------------------
Bottom Elevation G24, o 0
MAIN POND
75%
25%
5. Remove cattails and other indigenous wetland plants when they cover 50% of the basin surface. These
plants shall be encouraged to grow along the vegetated shelf and forebay berm.
6. If the basin must be drained for an emergency or to perform maintenance, the flushing of sediment through
the emergency drain shall be minimized to the maximum extent practical.
Form SWU-102 Rev 3.99 Page 3 of 4
7. All components of the wet detention basin system shall be maintained in good working order.
I acknowledge and agree by my signature below that I am responsible for the performance of the seven
maintenance procedures listed above. I agree to notify DWQ of any problems with the system or prior to any
changes to the system or responsible party.
Print name: 5CC, +f V-
Title: levee-, vie--e-
W / T?? i . '5 U, 600
Address:
Phone: -7 e - 332 - 3
Signature:
Date:
Note: The legally responsible party should not be a homeowners association unless more than 50% of the lots have been sold and a
resident of the subdivision has been named the president.
I , a Notary Public for the State of u-?-?
County of do hereby certify that - ?1
personally appeared before me this J- day of , and acknowledge the due
execution of the forgoing wet detention basin maintenance req rements. Witness my hand and official seal,
SEAL
My commission expires 'cr d7vco
Form SWU-102 Rev 3.99 Page 4 of 4
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Project: Brookmere Subdivision Phase 2
Basins One(1) and Two (2)
Planting Plan For Vegetated Wetland Bench - Use of Existing Hydric Sofl
Soil from the existing wetland areas that have permitted for impacts will be stripped and
stored as feasible for utilization in lining the proposed wetland site. Other topsoil adjacent
to the wetlands may also be suitable. Using these existing soils should hasten the
development of vegetated cover and hydric soil conditions. This is also an excellent use
of an important natural resource.
Many of the recommended planted species currently exist in the vicinity of the area to be
utilized for this function. The majority of the species in the wetlands include Obligate
(OBL) and Facultative Wet (FACW) vegetation. Herbaceous plant species present
include Softrush (Juncus effusus), sedge (Carex spp.), Duck potato (Sagitaria latifolia,
Arrow arum (Peltandra virginia), Common Three-Square (Scirpus pungens), Touch-me-
not (Impatiens capensis), Smartweed (Polygonum spp.), and others. Supplemental
plantings will be selected from Table 111.2 in the Storm water Best Management Practices,
NCDENR, April, 1999 based on actual field conditions, if required. Being that the site is
in the vicinity of other wetlands and floodplain areas it is expected that the area will
benefit from the natural seed sources available. It is expected that herbaceous and
scrub/shrub wetland species will rapidly volunteer in the area.
Emergent Zone Schedule - if required
Botanical Name Common Name Size Notes
Rushes/Sedges*
Juncus effusus Smooth Needle Rush 2 yr. peat pot 3'0/C.
Scirp. americanusCommon Three Square 2 yr. peat pot 3'0/C.
Acoris calamus Sweet Flag 2 yr. peat pot 3' O/C.
Shallow Water Plants
Peltandra virginica Arrow Arum 2 yr. peat pot 3' O/C.
Sagitaria latifolia Duck Potato 2 yr. peat pot 3'0/C.
Saururus cernus Lizard's Tail 2 yr. peat pot 3' O/C.
Nuphar luteum Spatterdock 2 yr. peat pot 3' O/C.
Planting shall be in naturalistic / random clumps to encourage diversity. Specific plant
species, quantities, and size, which will be utilized for the mitigation sites will be
dependent on availability, cost, time of year in which planting occurs. Control structures
such as sedimentation traps, siltation barriers, and/or at a minimum silt fence will be
utilized as necessary.
Seeding Specification for Herbaceous and Cover Crop in Wetland Mitigation Sites
Zone 1- Wetland areas in temporarily saturated soils or subject to occasional and brief inundation
Dates Types Rate
April I - Jul. 15 Red Top Grass
Smartweed
7 lbs/acre
20 lbs /acre
Jul. 16 - Sept. 1 Temporary Crop
Jap. Millet or Sorghum 201bs /acre
(to be followed by permanent mixture)
Sept. 2 - Nov. 1 Smartweed
Red Top Grass
201bs /acre
7 lbs/acre
Nov. 1 - March 31 Temporary Crop 40 lbs /acre
Wheat or Winter Rye
(to be followed by permanent mixture)
The following species may be substituted:
- Bidens connata (Beggar's Tick) and other Biden's species
- Leersia oryzoides (Rice Cutgrass)
- Panicum viratum (Switchgrass)
- Peltandra virginica (Arrow Arum)
Seeding Instructions
1) Seed in the dry period
2) Use of filler, such as sand to dilute the seed to ensure uniform ground coverage
when broadcasting
3) Tree and shrub planting should be completed first before seeding
4) Pure live seed shall be specified and approved prior to planting.
Herbaceous species may with a wetland seed mix which will result in coverage of at least
100 stems per square meter upon germination. Substitutions may be permitted with
approval. Other native grasses or annuals may be selected. No fescue will be used in
wetland areas. Annual grasses shall be utilized for stabilization on surrounding slopes
within Mitigation Area rather than perennials to allow natural succession. If a perennial is
required for erosion control than a mixture shall be selected that allows natural
volunteering to occur.
Pond # I Computations
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BROOKMERE PH. 2 POND 1
EXTENDED DETENTION WET POND DESIGN
DRAINAGE AREA = 41.21 ACRES
PERCENT IMPERVIOUS = 40
DETERMINE PERMANENT POOL SURFACE AREA:
FROM TABLE 1:1 WITH A PERMANENT POOL DEPTH OF 5 FEET AND 40 PERCENT IMPERVIOUS:
SA/DA = 1.25
REQUIRED SURFACE AREA = (SA/DA)/100 X DRAINAGE AREA
REQUIRED SURFACE AREA = 0.515125 ACRES = 22,439 SQUARE FEET
SURFACE AREA PROVIDED AT ELEVATION 620.00 = 24,475 SQUARE FEET
VOLUME OF PERMANENT POOL = 121,425 CUBIC FEET
20% OF PERMANENT POOL = 24,285 CUBIC FEET
VOLUME TO BE CONTROLLED FROM THE 1 INCH STORM:
RUNOFF VOLUME CALCULATION FROM THE SIMPLE METHOD:
Rv = 0.05 + 0.009(1) Rv = RUNOFF COEFFICIENT I = PERCENT IMPERVIOUS
Rv = 0.41
VOLUME THAT MUST BE CONTROLLED = DESIGN RAINFALL x Rv x DRAINAGE AREA
VOLUME THAT MUST BE CONTROLLED = 1.408008 ACRE FEET = 61,333 CUBIC FEET
VOLUME PROVIDED AT ELEVATION 622.40 = 64,808 CUBIC FEET
EXTENDED DETENTION STORAGE OUTLET SIZE DETERMINATION:
MAXIMUM HEAD AT EXTENDED DETENTION STORAGE = 2.4 FEET
PEAK OUTFLOW RATE FOR DRAWDOWN TIME OF 48 HOURS:
Qpeak = S/(0.5 x 3600 x 48) WHICH EQUALS: STORAGE x 0.0000116 = 0.751773
REQUIRED ORIFICE AREA: A=Qpeak/(0.6 x (64.4 x h)"0.5
REQUIRED ORIFICE AREA = 0.100783 FEET
DIAMETER OF A CIRCULAR ORIFICE = 2 x (REQUIRED ORIFICE AREA/3.14)^0.5
DIAMETER OF A CIRCULAR ORIFICE = 0.358219 FEET = 4.298626 INCHES
USE 4.0 INCH ORIFICE
MAXIMUM HEAD FOR BOTTOM DRAIN = 8 FEET
TOTAL POND STORAGE = 121,425
PEAK OUTFLOW RATE FOR DRAWDOWN TIME OF 24 HOURS:
Qpeak = S/(0.5 x 3600 x 24) WHICH EQUALS: STORAGE x 0.0000231 = 2.804918
REQUIRED ORIFICE AREA: A=Qpeak/(0.6 x (64.4 x h)^0.5
REQUIRED ORIFICE AREA = 0.205959 FEET
DIAMETER OF A CIRCULAR ORIFICE = 2 x (REQUIRED ORIFICE AREA/3.14)^0.5
DIAMETER OF A CIRCULAR ORIFICE = 0.512089 FEET = 6.145069 INCHES
USE 6.0 INCH ORIFICE
Outlet Structure Configuration
Outlet Structure Configuration for Brookmere - Pond 1
Stage 1: Circular Orifice
Invert Elevation = 620 feet
Diameter = .33 feet
Discharge Coefficient = .6
Stage 2: Rectangular Weir
Crest Elevation = 622.4 feet
Length = 25.02 feet
Discharge Coefficient = 3.1
Stage 3: Emergency Spillway
Crest Elevation = 624 feet
Crest Length = 30 feet
Discharge Coefficient = 3
Stage 4: Outfall Culvert
Invert Elevation = 610.39 feet
Pipe Diameter = 5 feet
Pipe Length = 39 feet
Pipe Slope =.01 ft/ft
Manning n = .013
Entrance Condition = SEH
Number of Barrels =1
Basin Rating Curve
Outlet Rating Table for Brookmere - Pond 1
Basin
Water
Elevation Basin
Outflow
(cfs) Riser Box
Water
Elevation Tailwater
Elevation
(ft) Outfall
Culvert
Control
620.00 0.00 610.39 N/A N/A
620.20 0.07 610.39 N/A ORIFICE CONT
620.40 0.20 610.54 N/A ORIFICE CONT
620.60 0.27 610.54 N/A ORIFICE CONT
620.80 0.33 610.59 N/A ORIFICE CONT
621.00 0.38 610.59 N/A ORIFICE CONT
621.20 0.42 610.59 N/A ORIFICE CONT
621.40 0.46 610.63 N/A ORIFICE CONT
621.60 0.49 610.63 N/A ORIFICE CONT
621.80 0.53 610.63 N/A ORIFICE CONT
622.00 0.56 610.65 N/A ORIFICE CONT
622.20 0.59 610.65 N/A ORIFICE CONT
622.40 0.63 610.65 N/A ORIFICE CONT
622.60 7.75 611.43 N/A ORIFICE CONT
622.80 20.53 612.13 N/A ORIFICE CONT
623.00 37.04 612.77 N/A ORIFICE CONT
623.20 56.57 613.36 N/A ORIFICE CONT
623.40 78.70 613.92 N/A ORIFICE CONT
623.60 103.16 614.46 N/A ORIFICE CONT
623.80 129.75 614.99 N/A ORIFICE CONT
624.00 158.31 615.49 N/A ORIFICE CONT
624.20 196.77 615.99 N/A ORIFICE CONT
624.40 243.63 616.47 N/A ORIFICE CONT
624.60 296.47 616.94 N/A ORIFICE CONT
624.80 354.39 620.00 N/A ORIFICE CONT
625.00 416.81 620.44 N/A ORIFICE CONT
Basin Storage/Elevation Input
Elevation Storage
(ft) (acre-ft)
611
612
614
616
618
620
622
622.4
624
0
.0876
.5109
1.0869
1.8202
2.7875
3.9972
4.2753
5.3878
Arm
($$' 40
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laso?
1+, 40,5
-4, 4.7t ;
'Z g, ZZo
3 2, 3?j2
Modified Puls Routing
Inflow Hydrograph: G:\PROJECT2\LCP\BROOKM-1\STORM\VTPSUHM\Bl-10YR.HYD
Storage/Elevation Curve: G:\PROJECT2\LCP\BROOKM-l\STORM\VTPSUHM\B1.ES
Discharge/Elevation Curve: G:\PROJECT2\LCP\BROOKM~1\STORM\VTPSUHM\PONDI.EO
Basin Bypass Capacity = 0.0 cfs
Starting Pool Elevation = 620.00 feet
Time Interval = 7.291666E-02 hours
Event Hydrograph Basin Storage Elevation Basin Outflow
Time Inflow Inflow Used Above MSL Outflow Total
(hours) (cfs) (cfs) (acre-ft) (feet) (cfs) (cfs)
0.00 0.00 0.00 2.787 620.00 0.38 0.38
0.07 2.36 2.36 2.793 620.01 0.00 0.00
0.15 4.71 4.71 2.815 620.04 0.01 0.01
0.22 7.07 7.07 2.850 620.10 0.03 0.03
0.29 9.42 9.42 2.899 620.19 0.06 0.06
0.36 11.35 11.35 2.961 620.29 0.12 0.12
0.44 13.28 13.28 3.035 620.41 0.20 0.20
0.51 15.21 15.21 3.119 620.55 0.25 0.25
0.58 17.14 17.14 3.215 620.71 0.30 0.30
0.66 43.02 43.02 3.394 621.00 0.38 0.38
0.73 68.89 68.89 3.729 621.56 0.49 0.49
0.80 94.77 94.77 4.219 622.32 0.61 0.61
0.87 120.65 120.65 4.736 623.06 43.13 43.13
0.95 100.49 100.49 5.013 623.46 86.11 86.11
1.02 80.33 80.33 5.030 623.48 89.09 89.09
1.09 60.18 60.18 4.955 623.38 76.21 76.21
1.17 40.02 40.02 4.849 623.22 59.29 59.29
1.24 33.33 33.33 4.754 623.09 45.62 45.62
1.31 26.64 26.64 4.687 622.99 36.40 36.40
1.39 19.95 19.95 4.629 622.91 29.50 29.50
1.46 13.26 13.26 4.572 622.83 22.70 22.70
1.53 12.68 12.68 4.527 622.76 18.10 18.10
1.60 12.11 12.11 4.500 622.72 15.63 15.63
1.68 11.54 11.54 4.482 622.70 13.98 13.98
1.75 10.96 10.96 4.469 622.68 12.79 12.79
1.82 10.30 10.30 4.459 622.66 11.85 11.85
1.90 9.63 9.63 4.450 622.65 11.04 11.04
1.97 8.97 8.97 4.442 622.64 10.28 10.28
2.04 8.31 8.31 4.434 622.63 9.57 9.57
2.11 8.10 8.10 4.428 622.62 8.98 8.98
2.19 7.88 7.88 4.423 622.61 8.55 8.55
2.26 7.67 7.67 4.419 622.61 8.21 8.21
2.33 7.46 7.46 4.416 622.60 7.93 7.93
2.41 7.29 7.29 4.414 622.60 7.71 7.71
2.48 7.13 7.13 4.411 622.60 7.58 7.58
2.55 6.96 6.96 4.408 622.59 7.43 7.43
2.62 6.79 6.79 4.405 622.59 7.28 7.28
Event Hydrograph Basin Storage Elevation Basin Outflow
Time Inflow Inflow Used Above MSL Outflow Total
(hours) (cfs) (cfs) (acre-ft) (feet) (cfs) (cfs)
2.70 6.65 6.65 4.402 622.58 7.13 7.13
2.77 6.52 6.52 4.400 622.58 6.99 6.99
2.84 6.38 6.38 4.397 622.57 6.84 6.84
2.92 6.25 6.25 4.394 622.57 6.70 6.70
2.99 6.13 6.13 4.391 622.57 6.57 6.57
3.06 6.02 6.02 4.389 622.56 6.43 6.43
3.14 5.91 5.91 4.386 622.56 6.31 6.31
3.21 5.79 5.79 4.384 622.56 6.19 6.19
3.28 5.70 5.70 4.382 622.55 6.07 6.07
3.35 5.60 5.60 4.379 622.55 5.96 5.96
3.43 5.51 5.51 4.377 622.55 5.85 5.85
3.50 5.41 5.41 4.375 622.54 5.74 5.74
3.57' 5.33 5.33 4.373 622.54 5.64 5.64
3.65 5.25 5.25 4.371 622.54 5.55 5.55
3.72 5.16 5.16 4.370 622.54 5.46 5.46
3.79 5.08 5.08 4.368 622.53 5.37 5.37
3.86 5.01 5.01 4.366 622.53 5.28 5.28
3.94 4.94 4.94 4.365 622.53 5.20 5.20
4.01 4.87 4.87 4.363 622.53 5.12 5.12
4.08 4.80 4.80 4.362 622.52 5.04 5.04
4.16 4.73 4.73 4.360 622.52 4.97 4.97
4.23 4.67 4.67 4.359 622.52 4.90 4.90
4.30 4.61 4.61 4.357 622.52 4.83 4.83
4.37 4.55 4.55 4.356 622.52 4.76 4.76
4.45 4.49 4.49 4.355 622.51 4.70 4.70
4.52 4.44 4.44 4.354 622.51 4.63 4.63
4.59 4.38 4.38 4.352 622.51 4.57 4.57
4.67 4.32 4.32 4.351 622.51 4.52 4.52
4.74 4.28 4.28 4.350 622.51 4.46 4.46
4.81 4.23 4.23 4.349 622.51 4.40 4.40
4.89 4.18 4.18 4.348 622.50 4.35 4.35
4.96 4.13 4.13 4.347 622.50 4.30 4.30
5.03 4.08 4.08 4.346 622.50 4.24 4.24
5.10 4.04 4.04 4.345 622.50 4.20 4.20
5.18 3.99 3.99 4.344 622.50 4.15 4.15
5.25 3.95 3.95 4.343 622.50 4.10 4.10
5.32 3.91 3.91 4.342 622.50 4.05 4.05
5.40 3.87 3.87 4.341 622.49 4.01 4.01
5.47 3.83 3.83 4.340 622.49 3.97 3.97
5.54 3.79 3.79 4.340 622.49 3.92 3.92
5.61 3.75 3.75 4.339 622.49 3.88 3.88
5.69 3.71 3.71 4.338 622.49 3.84 3.84
5.76 3.68 3.68 4.337 622.49 3.80 3.80
5.83 3.64 3.64 4.337 622.49 3.76 3.76
5.91 3.61 3.61 4.336 622:49 3.73 3.73
5.98 3.51 3.57 4.335 622.49 3.69 3.69
6.05 3.54 3.54 4.334 622.48 3.65 3.65
6.12 3.51 3.51 4.334 622.48 3.62 3.62
.' Event Hydrograph Basin Storage Elevation Basin Outflow
Time Inflow Inflow Used Above MSL Outflow Total
(hours) (cfs) (cfs) (acre-ft) (feet) (cfs) (cfs)
6.20 3.48 3.48 4.333 622.48 3.59 3.59
6.27 3.44 3.44 4.332 622.48 3.55 3.55
6.34 3.41 3.41 4.332 622.48 3.52 3.52
6.42 3.38 3.38 4.331 622.48 3.49 3.49
6.49 3.35 3.35 4.331 622.48 3.46 3.46
6.56 3.33 3.33 4.330 622.48 3.42 3.42
6.64 3.30 3.30 4.329 622.48 3.39 3.39
6.71 3.27 3.27 4.329 622.48 3.37 3.37
6.78 3.24 3.24 4.328 622.48 3.34 3.34
6.85 3.22 3.22 4.328 622.48 3.31 3.31
6.93 3.19 3.19 4.327 622.47 3.28 3.28
7.00 3.16 3.16 4.327 622.47 3.25 3.25
7.07 3.14 3.14 4.326 622.47 3.23 3.23
7.15 3.12 3.12 4.326 622.47 3.20 3.20
7.22 3.09 3.09 4.325 622.47 3.17 3.17
7.29 3.07 3.07 4.325 622.47 3.15 3.15
Total Routing Mass Balance Discrepancy is 0.01%
Modified Puls Routing
Inflow Hydrograph: G:\PROJECT2\LCP\BROOKM-1\STORM\VTPSUBAMI-100YR.HYD
Storage/Elevation Curve: G:\PROJECT2\LCP\BROOKM-1\STORM\VTPSUHM\B1.ES
Discharge/Elevation Curve: G:\PROJECT2\LCP\BROOKM~1\STORM\VTPSUHM\PONDI.EO
Basin Bypass Capacity = 0.0 cfs
Starting Pool Elevation = 620.00 feet
Time Interval = 7.291666E-02 hours
Event Hydrograph Basin Storage Elevation Basin Outflow
Time Inflow Inflow Used Above MSL Outflow Total
(hours) (cfs) (cfs) (acre-ft) (feet) (cfs) (cfs)
0.00 0.00 0.00 2.787 620.00 0.38 0.38
0.07 3.42 3.42 2.797 620.02 0.00 0.00
0.15 6.83 6.83 2.827 620.07 0.02 0.02
0.22 10.25 10.25 2.879 620.15 0.05 0.05
0.29 13.66 13.66 2.950 620.27 0.11 0.11
0.36 16.46 16.46 3.040 620.42 0.21 0.21
0.44 19.26 19.26 3.146 620.59 0.27 0.27
0.51 22.06 22.06 3.269 620.80 0.33 0.33
0.58 24.85 24.85 3.408 621.03 0.38 0.38
0.66 62.38 62.38 3.668 621.46 0.47 0.47
0.73 99.90 99.90 4.154 622.23 0.59 0.59
0.80 137.42 137.42 4.737 623.06 43.28 43.28
0.87 174.94 174.94 5.190 623.72 118.59 118.59
0.95 145.71 145.71 5.347 623.94 149.99 149.99
1.02 116.49 116.49 5.277 623.84 135.55 135.55
1.09 87.26 87.26 5.149 623.66 110.68 110.68
1.17 58.03 58.03 5.000 623.44 83.93 83.93
1.24 48.33 48.33 4.876 623.26 63.66 63.66
1.31 38.63 38.63 4.792 623.14 51.07 51.07
1.39 28.93 28.93 4.719 623.04 40.79 40.79
1.46 19.23 19.23 4.646 622.93 31.56 31.56
1.53 18.39 18.39 4.590 622.85 24.84 24.84
1.60 17.56 17.56 4.559 622.81 21.22 21.22
1.68 16.73 16.73 4.540 622.78 19.33 19.33
1.75 15.89 15.89 4.526 622.76 18.02 18.02
1.82 14.93 14.93 4.514 622.74 16.89 16.89
1.90 13.97 13.97 4.502 622.73 15.83 15.83
1.97 13.01 13.01 4.491 622.71 14.82 14.82
2.04 12.05 12.05 4.480 622.70 13.82 13.82
2.11 11.74 11.74 4.471 622.68 12.99 12.99
2.19 11.43 11.43 4.465 622.67 12.38 12.38
2.26 11.12 11.12 4.460 622.66 11.90 11.90
2.33 10.82 10.82 4.455 622.66 11.50 11.50
2.41 10.57 10.57 4.451 622.65 11.15 11.15
2.48 10.33 10.33 4.448 622.65 10.85 10.85
2.55 10.09 10.09 4.445 622.64 10.57 10.57
2.62 9.85 9.85 4.442 622.64 10.31 10.31
,- , . ?' Event Hydrograph Basin Storage Elevation Basin Outflow
Time Inflow Inflow Used Above MSL Outflow Total
(hours) (cfs) (cfs) (acre-ft) (feet) (cfs) (cfs)
2.70 9.65 9.65 4.440 622.64 10.07 10.07
2.77 9.45 9.45 4.437 622.63 9.84 9.84
2.84 9.25 9.25 4.435 622.63 9.63 9.63
2.92 9.06 9.06 4.433 622.63 9.42 9.42
2.99 8.89 8.89 4.430 622.62 9.23 9.23
3.06 8.73 8.73 4.428 622.62 9.05 9.05
3.14 8.56 8.56 4.427 622.62 8.87 8.87
3.21 8.40 8.40 4.425 622.61 8.70 8.70
3.28 8.26 8.26 4.423 622.61 8.54 8.54
3.35 8.12 8.12 4.421 622.61 8.39 8.39
3.43 7.98 7.98 4.420 622.61 8.24 8.24
3.50 7.85 7.85 4.418 622.61 8.10 8.10
3.57 7.73 7.73 4.417 622.60 7.96 7.96
3.65 7.61 7.61 4.415 622.60 7.84 7.84
3.72 7.49 7.49 4.414 622.60 7.72 7.72
3.79 7.37 7.37 4.412 622.60 7.65 7.65
3.86 7.27 7.27 4.411 622.59 7.56 7.56
3.94 7.16 7.16 4.409 622.59 7.47 7.47
4.01 7.06 7.06 4.407 622.59 7.37 7.37
4.08 6.96 6.96 4.405 622.59 7.27 7.27
4.16 6.87 6.87 4.403 622.58 7.18 7.18
4.23 6.77 6.77 4.401 622.58 7.08 7.08
4.30 6.68 6.68 4.400 622.58 6.99 6.99
4.37 6.59 6.59 4.398 622.58 6.89 6.89
4.45 6.51 6.51 4.396 622.57 6.80 6.80
4.52 6.43 6.43 4.394 622.57 6.71 6.71
4.59 6.35 6.35 4.392 622.57 6.63 6.63
4.67 6.27 6.27 4.391 622.57 6.54 6.54
4.74 6.20 6.20 4.389 622.56 6.46 6.46
4.81 6.13 6.13 4.388 622.56 6.38 6.38
4.89 6.06 6.06 4.386 622.56 6.30 6.30
4.96 5.98 5.98 4.385 622.56 6.23 6.23
5.03 5.92 5.92 4.383 622.56 6.15 6.15
5.10 5.85 5.85 4.382 622.55 6.08 6.08
5.18 5.79 5.79 4.380 622.55 6.01 6.01
5.25 5.73 5.73 4.379 622.55 5.94 5.94
5.32 5.67 5.67 4.378 622.55 5.88 5.88
5.40 5.61 5.61 4.377 622.55 5.81 5.81
5.47 5.55 5.55 4.375 622.54 5.75 5.75
5.54 5.49 5.49 4.374 622.54 5.69 5.69
5.61 5.44 5.44 4.373 622.54 5.63 5.63
5.69 5.38 5.38 4.372 622.54 5.57 5.57
5.76 5.33 5.33 4.371 622.54 5.51 5.51
5.83 5.28 5.28 4.370 622.54 5.46 5.46
5.91 5.23 5.23 4.369 622.53 5.40 5.40
5.98 5.18 5.18 4.368 622.53 5.35 5.35
6.05 5.13 5.13 4.367 622.53 5.30 5.30
6.12 5.08 5.08 4.366 622.53 5.25 5.25
Event Hydrograph Basin Storage Elevation Basin Outflow
Time Inflow Inflow Used Above MSL Outflow Total
(hours) (cfs) (cfs) (acre-ft) (feet) (cfs) (cfs)
6.20 5.04 5.04 4.365 622.53 5.20 5.20
6.27 5.00 5.00 4.364 622.53 5.15 5.15
6.34 4.95 4.95 4.363 622.53 5.10 5.10
6.42 4.91 4.91 4.362 622.52 5.06 5.06
6.49 4.86 4.86 4.361 622.52 5.01 5.01
6.56 4.82 4.82 4.360 622.52 4.97 4.97
6.64 4.78 4.78 4.359 622.52 4.92 4.92
6.71 4.74 4.74 4.358 622.52 4.88 4.88
6.78 4.70 4.70 4.358 622.52 4.84 4.84
6.85 4.67 4.67 4.357 622.52 4.80 4.80
6.93 4.63 4.63 4.356 622.52 4.76 4.76
7.00 4.59 4.59 4.355 622.51 4.72 4.72
7.07 4.55 4.55 4.354 622.51 4.68 4.68
7.15 4.52 4.52 4.354 622.51 4.64 4.64
7.22 4.48 4.48 4.353 622.51 4.60 4.60
7.29 4.45 4.45 4.352 622.51 4.57 4.57
Total Routing Mass Balance Discrepancy is 0.01%
Rational Formula H_ydrograph
SCS 24 - Hour Storm Distribution
10 Year, Type 2 Rainfall: 4.80 inches at bl-10yr
Time of Concentration: 17.5 min.
Drainage Area: 41.210 acres.
Weighted 'C' Factor: 0.600
Rainfall Rainfall
Time Incr. Total Intensity Flow
(min) (inches) (inches) (in/hr) (cfs)
0 0.00 0.00 0.00 0.00
18 0.11 0.11 0.38 9.42
35 '0.20 0.31 0.69 17.14
53 1.42 1.74 4.88 120.65
70 0.47 2.21 1.62 40.02
88 0.16 2.36 0.54 13.26
105 0.13 2.49 0.44 10.96
123 0.10 2.59 0.34 8.31
140 0.09 2.68 0.30 7.46
158 0.08 2.76 0.27 6.79
175 0.07 2.83 0.25 6.25
At time = 438 minutes, the flow is 3.07 CFS.
Rational Formula Hydrograph
SCS 24 - Hour Storm Distribution
100 Year, Type 2 Rainfall: 6.96 inches at bl-100yr
Time of Concentration: 17.5 min.
Drainage Area: 41.210 acres.
Weighted 'C' Factor: 0.600
Rainfall Rainfall
Time Incr. Total Intensity Flow
(min) (inches) (inches) (in/hr) (cfs)
0 0.00 0.00 0.00 0.00
18 0.16 0.16 0.55 13.66
35 0.29 0.45 1.01 24.85
53 2.06 2.52 7.08 174.94
70 0.68 3.20 2.35 58.03
88 0.23 3.43 0.78 19.23
105 0.19 3.62 0.64 15.89
123 0.14 3.76 0.49 12.05
140 0.13 3.89 0.44 10.82
158 0.12 4.00 0.40 9.85
175 0.11 4.11 0.37 9.06
At time = 438 minutes, the flow is 4.45 CFS.
WAT ?9QG
> WG y
o ?
Mr. Anthony R. Gaffey, P.E.
Insite
201 North Tryon Street, Suite 2670
Charlotte, NC 28202
Dear Mr. Gaffey:
Subject:
July 17, 2001
Brookmere
DWQ Project No. 010352
Mecklenburg County
The Wetlands Unit staff reviewed the stormwater management plans for the subject project and determined that additional
information is necessary to complete the technical review process. The required additional information is as follows:
1. General Certification No. 3287 Requirements
General Certification no. 3287 states in part, "7. In order to protect and preserve water quality in the immediate
watersheds which drain directly to 303(d) listed waters, as well as watersheds that are classified as nutrient
sensitive waters (NSW), water supply waters (WS), trout waters (Tr), high quality waters (HQW), and outstanding
resource waters (ORW), the Division shall require that extended detention wetlands (designed according to latest
version of the NC DENR Stormwater Best Management Practices Manual) be constructed as part of the stormwater
management plan when a site-specific stormwater management plan is required. Methods such as dry detention
basins followed by level spreaders that sheet flow through forested filter strips and that meet the design standards
specified in the latest version of the NC DENR Stormwater Best Management Practices Manual may also be used,
if appropriate. Approval of stormwater management plans by the Division of Water Quality's other existing state
stormwater programs including appropriate local programs are sufficient to satisfy this condition. This: condition
applies unless more stringent requirements are in effect from other state water quality programs;"
As such, because this development is in a WS IV watershed, this Office recommends that pond no. 2 be designed.
as an extended detention wetland since it has adequate surface area and that a level spreading device be used at
the oulet of pond no. 1 so that the existing wetland would function as a forested filter strip.
Forebay
The forebay for pond no. 1 should be approximately 20% of the total permanent pool basin volume. However, the
plans appear to indicate that the forebay is larger than 20% of the basin volume. Reference NCDENR Stormwater
Best Management Practices Manual, April 1999. Please revise the engineering plans to meet this requirement.
The operation and maintenance agreement must also be signed by the responsible party and notarized. An
example agreement for an extended detention wet pond is available on line at
http://h2o.enr.state.nc.us/su/PDF_Files/State_SW_program_forms/SW U102_Wet_Pond_Supplement.pdf
Division wetlands unit staff will strive to complete a final technical review within 10 working days of receipt of the
requested information. If you have any questions or would like to discuss this project, please contact me at (919) 733-
9584. Also, please note that the NCDENR Stormwater Best Management Practices Manual, April 1999, and other
documents and information can be downloaded from the Wetlands Unit web site at
http://h2o.ehnr.state.nc.us/ncwetlands/.
Singl n
Toc? St. John PE
Environmental Engineer
cc: Mooresville Regional Office
File
Michael F. Easley
Governor
William G. Ross, Jr., Secretary
Department of Environment and Natural Resources
Kerr T. Stevens
Division of Water Quality
North Carolina Division of Water Quality, 401 Wetlands Certification Unit,
1650 Mail Service Center, Raleigh, NC 27699-1650 (Mailing Address)
2321 Crabtree Blvd., Raleigh, NC 27604-2260 (Location)
919-733-1786 (phone), 919-733.6893 (fax), http://h2o.enr.state.nc.us/ncwetlands/

Project No. DW Q 0.10352
Project Name: Brookmere ph II
SUBMITTED DESIGN: REQUIRED DESIGN:
elevations status
Bottom of Basin (ft) 611
Permanent Pool (ft) 620 9 ft. depth check depth
Temporary Pool (ft) 622.4 2.4 ft. depth ok
areas
Permanent Pool SA (sq ft)
24475
22434 sq. ft.
ok
Drainage Area (ac) 41.21
Impervious Area (ac) 16.48

volumes
Permanent Pool (cu ft) 121425
Temporary Pool (cu ft) 64808 613 . ft. ok
Forebay (cu ft) 24752 20. o ok
j
other parameters
SA/DA 0 1.25 -
Orifice Diameter (in) 4 0.46 cfs drawdown -
Design Rainfall (in) I 1.6 day drawdown check drawc
Linear Interpolation of Correct SAMA***
5.0 average depth
Olt Im ervious SA/DA from Table
Next Lowest 40 1.25
Project Impervious 40.0 1.25
Next Highest 50 _ 1.5
1 ?49
or 6?
Project No. DWQ 0.10352
Project Name: Brookmere ph II
SUBMITTED DESIGN:
elevations
Bottom of Basin (ft) 629
Permanent Pool (ft) 636.7
Temporary Pool (ft) 638.6
areas
Permanent Pool SA (sq ft) 10350
Drainage Area (ac) 13.63
Impervious Area (ac) 5.45

volumes
Permanent Pool (cu ft) 26275
Temporary Pool (cu ft) " 23649
Forebay (cu ft) 5288
other parameters
SA/DA 0
Orifice Diameter (in) 3
Design Rainfall (in) 1
Linear Interpolation of Correct SAIDA"*
0XV impervious
Next Lowest 40
Project Impervious 40.0
Next Highest 50

REQUIRED DESIGN.
status
7.7 ft. depth check depth
1.9 ft. depth ok
10269 sq. ft. ok
-
40.0%
20279 cu. ft. ok
20.1 % ok
1.73 -
0.23 cfs drawdown -
1.2 day drawdown check drawc
0v2.5erage depth
SA/DA from Table
1.73
1.73
2.06
_,.0
-, OF W ATFR
O? QG
co
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Michael F. Easley -
Governor
Sherri Evans-Stanton, Acting Secretary
Department of Environment and Natural Resources
Kerr T. Stevens
Division of Water Quality
April 11, 2001
Mecklenburg County
DWQ Project # 010352
APPROVAL of 401 Water Quality Certification and ADDITIONAL CONDITIONS
Landcraft Properties, Inc.
201 North Tryon Street
Charlotte, NC 28202
Dear Sirs:
You have our approval, in accordance with the attached conditions and those listed
below, to place fill material in 1,100 linear feet of streams for the purpose of constructing the
Brookmere subdivision as described in your application dated March 12, 2001. After
reviewing your application, we have decided that this fill is covered by General Water Quality
Certification Numbers 3289 and 3287. These certifications allow you to use Nationwide
Permit Numbers 14 and 39 when the Corps of Engineers issues it. In addition, you should
get any other federal, state or local permits before you go ahead with your project including
(but not limited to) Sediment and Erosion Control, Coastal Stormwater, Non-Discharge and
Water Supply Water shed regulations. This approval will expire when the accompanying
404 or CAMA permit expires unless otherwise specified in the General Certification.
This approval is only valid for the purpose and design that you described in your
application except as modified below. If you change your project, you must notify us and you
may be required to send us a new application. If the property is sold, the new owner must be
given a copy of this Certification and approval letter and is thereby responsible for complying
with all conditions. If total wetland fills for this project (now or in the future) exceed one acre,
compensatory mitigation may be required as described in 15A NCAC 2H .0506 (h) (6) and
(7). For this approval to be valid, you must follow the conditions listed in the attached
certification and any additional conditions listed below.
1. Deed notifications or similar mechanisms shall be placed on all remaining jurisdictional
wetlands and streams to notify the state in order to assure compliance for future wetland
and/or water impact. These mechanisms shall be put in place within 30 days of the date
of this letter or the issuance of the 404 Permit (whichever is later).
2. An additional condition is that a final, written stormwater management plan shall be
approved by this Office before the impacts specified in this Certification occur. The
stormwater management plan must include plans and specifications for stormwater
management facilities designed to remove 85%. TSS according to the most recent version
of the NC DENR Stormwater Best Management Practices Manual. Also, before any
permanent building is occupied at the subject site, the facilities, as approved by this Office,
shall be constructed and operational, and the stormwater management plan, as approved
by this Office, shall be implemented.
3. The road crossing shall not exceed 150 linear feet in length. :
4. The sewer line along the southern tributary shall be constructed outside the 30 foot stream
buffer.
NCD. R
Division of Water Quality 1621 Mail Service Center Raleigh, NC 27699-1621
Wetlands/401 Unit: [phone]
Fax: [phone]
OF o? W ATFRQG
o -c
5. DWQ's Mooresville Regional Office shall be notified in writing of a pre construction
meeting with DLR, contractors and the developer to be held prior to any land disturbance.
6. Upon completion of the project, the NCDOT shall complete and return the enclosed
"Certification of Completion Form" to notify DWQ that all the 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 Division of Water Quality.
If you do not accept any of the conditions of this certification, you may ask for an
adjudicatory hearing. You must act within 60 days of the date that you receive this letter.
To ask for a hearing, send a written petition, which conforms to Chapter 150B of the North
Carolina General Statutes to the Office of Administrative Hearings, P.O. Box 27447,
Raleigh, N.C. 27611-7447. This certification and its conditions are final and binding unless
you ask for a hearing.
This letter completes the review of the Division of Water Quality under Section 401 of
the Clean Water Act. If you have any questions, please telephone John Dorney at 919-733-
9646.
in
Stevens
Attachment
cc: Corps of Engineers Asheville Field Office
Mooresville DWQ Regional Office
File copy
Central Files
Todd St. John
Len Rindner
A
Z RCDENR
Michael F. Easley
Governor
Sherri Evans-Stanton, Acting Secretary
Department of Environment and Natural Resources
Kerr T. Stevens
Division of Water Quality
Division of Water Quality 1621 Mail Service Center Raleigh, NC 27699-1621
Wetlands/401 Unit: [phone]
Fax: [phone]
LEONARD S. RINDNER,_PWS
Environmental Planning Consultant 3714 Spokeshave Lane
Professional Wetland Scientist Matthews, NC 28105
Land Planning Tole: [phone]
Fag [phone]
May 28, 2001
Mr. John R. Dorney
Division of Water Quality - NCDENR
2321 Crabtree Boulevard, Suite. 250
Raleigh, NC 27604
Mr. Steve Chapin
US Army Corps of Engineers - Reg. Field Office
151 Patton Avenue - Room 208
Asheville, NC 28801 - 5006
Mr. Peter Colwell
NCDENR - Division of Water Quality
919 North Main Street
Mooresville, NC 28115
Re: Brookmere - Modification of Project Area Only
Dear Sirs:
On behalf of my client, Landcraft Properties, I am informing you of a change in the project
area. As depicted on the attached plans, the proposed project area will be reduced from
approximately 154 acres to approximately 100 acres. The area on the map previously
identified as "Future Phase" on the Nationwide Permit application will not be part of this
development and will be owned by a separate property owner. The remaining information
submitted in the permit application remains the same.
Please contact me if you have any questions or require additional explanation. Thank you
for your consideration.
Leonard S. Rindner, PWS
Environmental Planning Consultant
Professional Wetland Scientist

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EONARD S. RINDNER, PWS
Environmental Planning Consultant 3714 Spokeshave Lane
Professional Wetland Scientist Matthews, NC 28105
Land Planning TeIe: [phone]
Fax [phone]
May 28, 2001
Mr. Steve Chapin
US Army Corps of Engineers - Reg. Field Office
151 Patton Avenue - Room 208
Asheville, NC 28801 - 5006
Re: Brookmere - Proposed Reinstatement of Permit Application
Dear Steve:
Based on the attached additional information, Landcraft Properties, is requesting that the
Nationwide Permit review process be reinstated. As depicted on the attached plans, the
proposed project area will be reduced from approximately 154 acres to approximately 100
acres. The area on the map previously identified as "Future Phase" on the Nationwide
Permit application will not be part of this development and will be owned by a separate
property owner. This is the area noted by the archaeologist as area of high concern.
According to Briece Edwards, our archeological consultant, the project zones noted as
Phase 1 and Phase 2 may have areas of archaeological remains, however, given past
agricultural practices and erosion there may be little site integrity left in the area. Landcraft
Properties intends to follow-up with the recommendations of the State Historical
Preservation Office within the new project boundaries.
Please contact me if you have any questions or require additional explanation. Thank you
for your consideration.
Leonard S. Rindner, PWS
Environmental Planning Consultant
Professional Wetland Scientist
FROM : CRAG:ARCHAEOLOGY FAX NO. : 919 828 8100 Apr. 30 2001 03:33PM P2
Cultural Resources Assessment Group:
A 1" C JJ
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28 April 2001
Len Rindner
Environmental Planning Consultant
3714 Spokeshave Lane
Matthews, NC 28105
Dear Len -
Re: Brookmere:
P.O. BOX 12107
Raleigh, NC 27605
919828-8100
[e-mail]
Here is a map of the Brookmere tract. The key areas represented are the upland
fiats, steep slopes (15% slope and greater), floodplain and lowland fiats, and the
known site area (31 MK85).
The upland flats are the immediate areas of focus from what you have said.
These fall within the Phase I and 11 development plans for the tract and may have
trace remains of past occupation. Given past agricultural practices and erosion
there may be little site integrity left in trie area even thous we are I e v to nd
areas
The steep areas indicated on the map are probably too steep to have
accommodated past settlement in the area.
The remaining areas are the known site, flood plain, and lowland flats. Tough
they may not be in the areas of immediate construction they will undoubtedly be
impacted at some point in the not too distant future. As you know, I met with Dr.
Lee Novick last week and discussed this area specifically. We discussed the
need to delineate the site extents as they fall within the Brookmere Development
Tract, and the need for the state to authorize a scope of work, research,
objectives, and protection and/or data recovery strategies related to this site.
However prior to any archaeological work in this area the owner and people
associated with the cattle/horse grazing should. be notified by the developer
(LandCraft).
FROM : CRAG' .AWHAEOLOGY FAX ND, : 919 82e 8100 Apr. 30 2001 03:33PM P3
I*
It may be easier to focus all efforts (permits, archaeological survey, etc.) on the.
areas directly associated with the Phase 1 & if areas and address the. remaining
portion separately at a later date. When vi ''ng the tract last week, e saw that
elevated portion of the site (31MK85) w z-mostly in tree cower and the
surrounding lower area was in pasture/grass. This would help facilitate the use
of geophysical survey techniques in recording detailed sub-surface
archaeological remains such as pits, hearths, or possible burials. This technique
with limited testing would, probably help limit further large scale excavations at
the site.
Sincerely.
-07
?T
niece R. Edwards

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FAX TRANSMITTAL
DATE: February 28, 2001
TO: Lin Rindner
FROM: Scott C. Doerr
RE: Cmud sewer line along creek N OF PAGES 2
(INCLUDING COVER SHEET)
Lyn,
Here is a plot of the sewer trunk line Cmud-is going to build as it passes through our site.
Cmud is building this line as part of the Catawba Rivet trunk line. Let. me know if you
need any additional plots, or blowups.
201 N. Tryon Street, Suite 2670 4 Charlotte, North Carolina 25202
Phone: [phone] Fax: [phone]
In*A b1-71 Inn? 07 n2.1

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Brookmere
Mecklenburg County
North Carolina
Joint Application Form and Supporting Documentation for
NATIONWIDE PERMITS THAT REQULRE NOTIFICATION
TO CORPS OF ENGINEERS
NATIONWIDE PERMITS THAT REQUIRE
SECTION 401 CERTIFICATION CONCURRENCE
Prepared for:
LandCraft Properties, Inc.
201 N. Tryon Street
Suite 2650
Charlotte, NC 28202
1-704-332-9340
INSITE Engineering
201 N. Tryon Street
Suite 2670
Charlotte, NC 28202
1-704-373-0113
Prepared By:
Leonard S. Rindner, PWS
Envirownental Planning Consultant
3714 Spokeshave Lane
Matthews, NC 28105
1-[phone]
Date 3101
1
LEONARD S. RINDNER, PW S
Environmental Planning Consultant 3714 Spokeshave Lane
Professional Wetland Scientist Matthews, NC 28105
Land Planning [phone]
March 3, 2001
Mr. Steve Chapin
US Army Corps of Engineers - Reg. Field Office
151 Patton Avenue - Room 208
Asheville, NC 28801- 5006
Mr. John R Dorsey
Division of Water Quality - NCDENR
2321 Crabtree Boulevard, Suite 250
Raleigh, NC 27604
Mr. Pete Colwell
NCDENR - Division of Water Quality
919 North Main Street
Mooresville, NC 28115
Re: Brookmere_-_ + 154 Acre, Mecklenburg County - NWP #14, #39
Dear Sirs:
On behalf of my client, LandCraft Properties, I am requesting authorization to use Nationwide Permits 14,
3 9 to fill + 1,100 linear feet of unimportant intermittent tributaries and cross a perennial stream with a
road crossing. Over 97% of the important intermittent and perennial streams have been avoided and will
be protected by buffers as depicted in the attached report based on preliminary discussions with Mr. Pete
Colwell and Steve Chapin of the USAGE. Storm water treatment facility will be provided to treat surface
runoff from developed areas on the site. Storm water will also be treated by the existing wetlands. and
spread over buffers where applicable. Based on discussions with Pete Colwell there will be no tail-ditching
to existing streams. Tail ditching is not permitted in Mecklenburg County SWIM Buffers. The primary
stream is protected by 100 foot Mecklenburg County S.W.I.M. buffers and large preserved wetlands.
Project construction will strictly adhere to an approved Sedimentation and ErosionControl Plan.
General Wetland Classification and Descrintion
The wetland and riparian areas on this site can be described as Palustrine Forested Broad Leaved and
Scrub-Shrub Temporarily Flooded. The majority of the site is a moderately sloping former agricultural
land and woodland. Trees include green ash, sweetgum, red maple, willow oak, black willow, and
American elm, alder, silky dogwood, sycamore, and swamp chestnut oak. Understory and herbaceous
strata includes smilax, sedges, soft rush, poison ivy, etc. The site includes Monacan soils. These soils are
map units, which may have inclusions of hydric soils according to the Natural Resource Conservation
Service, Technical Guide-Section II-A-2, June 1991.
Methodoloey
Preliminary identification of the Jurisdictional Waters on the site were determined according to the Corps
Brockmere , Page 3
March 4, 2001
of Engineers Wetland Delineation Manual, Technicar Report Y-87-1, 1987, with Appendices. Preliminary
data gathering included review and interpretation of topographic maps; USDA Soil Conservation Survey;
aerial photographs, and preliminary site visits to selected areas. Then the Routine On-Site Determination
Method was utilized to determine the upper boundary of the wetlands. In order, to make a positive wetland
determination indicators of hydrophytic vegetation, hydric soil, and wetland hydrology were be
identified as described in the manual.
SUMMARY OF JURISDICTIONAL WATERS OF U.S.
Surface Waters Primary Perennial ( ± 3,500 if) + 0.64 ac.
Perennial ( ± 1,2001f) + 0.16 ac.
Intermittent to perennial (+ 1,000 If) + 0.08 ac.
Unimportant intermittent (+ 1,100 lf) + 0.08 ac.
Wetlands + 4.90 ac.
Approximate Total - Waters of the U.S. + 5.86 ac.
SU14L4L4RY OF IMPACTS
Surface Waters Primary Perennial ; + 0.00 ac.
Perennial + 0.02 ac.
Intermittent to perennial + 0.00 ac.
Unimportant intermittent (+ 1,10011) + 0.08 ac.
Wetlands + 0.00'ac.
Total Impacts - Waters of the U.S. + 0.10 ac.
H ETLANDS PERMITTING AND MITIGATION
Avoidance, Minimization, and Mitigation
The following avoidance and minimization efforts and measures will also be taken:
Best Management Practices will also be employed to minimize impacts to Jurisdictional Waters. These
will include:
a) Siltation Barriers; Sediment Traps and Diversion Ditches
b) Barricades to define construction limits to sensitive sites and to protect trees to be preserved
c) Preconstruction meetings
d) Vehicular access will be restricted to specific areas to avoid disturbance to adjacent wetlands and
natural areas to be preserved.
e) Methods to prevent short term impacts will be inspected regularly and maintained during
construction of the project.
f) Wetlands/streams to be preserved will be clearly marked prior to construction to prevent
accidental damage. The contractors will be held responsible for unauthorized wetland and stream
Brookmere, Page 4
March 4, 2001
damage not permitted according to plans and specifications.
g) Project construction will strictly adhere to an approved Sedimentation and Erosion Control Plan.
Best Management Practices will include utilizing siltation trapping ponds and other erosion
control structures where appropriate. Impacts from hazardous materials and other toxins to fish
and aquatic life such as fuels will be avoided by not permitting staging areas to be located near
surface waters.
h) As required by the 401 Water. Quality Certification conditions, measures will be taken to prevent
"live" or fresh. concrete from coming into contact with waters until the concrete has hardened.
Proposed Compensatorv Mitigation - Storm water Management Plan
Buffers measured from the. top of the bank will protect the remaining streams. Where necessary due to
construction conflicts, the minimum buffer shall be 30'. As depicted on the attached plans, the buffer
will be wider than to the extent feasible. A final buffer plan will be provided prior to stream impacts.
Required Mecklenburg County 100' SWIM buffers protect the primary creek. A Storm water Management'
Plan will be designed and implemented for the project to meet the 401 Water Quality Certification
requirements. The planners will utilize information and guidelines provided by the North Carolina.
Department -of Environment, Health, and Natural Resources Water Quality Section in developing this
storm water facility. Storm water will also be treated, utilizing existing wetlands and spreading storm
drainage over buffers. As discussed with NCDENR-NCDWQ, tail-ditching of storm drainage to creeks
will be avoided-
PRO TECTION FROM FUTUREDEVELOPMENT
The preserved wetlands and streams will be protected from future impacts by the applicant or by a group
designated by the applicant for this purpose. Development of these areas will be deed restricted in
accordance with restrictive covenants, which will be developed for approval by the USACE and/or
NCDWQ.
THREATENED AND ENDANGERED SPECIES
Federally listed plant and animal species with endangered or threatened status are protected under the
Endangered. Species Act of 1973. The US Fish and Wildlife Service has identified Schweinitz's sunflower
(Helianthus schweinitzii) and the Carolina heelsplitter (Mecklenburg County). Schweinitz's, sunflower
thrives in full sun characteristic of succession fields, margins, and forested openings. Based on a site
reconnaissance, habitat conducive to support the Schweinitz's sunflower is not present in the project area.
The Carolina heelsplitter is a freshwater mussel, which prefers shaded areas either, in a ponded portion of
a small stream or in runs along steep banks with moderate current. Primary habitat is waters less than
three feet deep with a soft mud, muddy sand, or shady gravelly substrate. It is normally restricted to
protected silted areas or under banks especially associated with obstructions such as stumps or fallen trees.
Its current distribution according to the US Fish and Wildlife Service is limited to portions of two streams
-- Goose Creek and Waxhaw Creek - and a small river originating from rural areas in Union County.
Therefore it is not expected to occur on this site.
Brookmere, Page 5
March 4, 2001
CULTURAL RESOURCES
The project site is disturbed from previous agricultural activities. No structures were found on the site.
The State Historic Preservation Office may review of the USGS maps at the Office of State Archaeology
and the Survey and Planning Office of the North Carolina Department of Cultural Resources to determine
if sites are indicated on the National Historic Register within the study area.
AQUATIC HABITAT
The aquatic systems in the project area consist of tributaries in the Catawba River Basin. A variety of
wildlife is supported by these systems including mammals, birds, reptiles, amphibians, fish,- insects,
mollusks, and crustaceans. Therefore strict adherence to an approved erosion and sedimentation control
plan will be maintained during the construction period in order to control degradation of water quality
downstream and protect the areas to be preserved.
CONCLUSION
This project will provide important economic benefits to the region. Based on the value of the
jurisdictional waters and wetlands on this site, the developer has chosen to balance the site's economic
viability with its environmental value and permitability. The goal of the Storm water Treatment and
Mitigation Plan is to help balance the- environmental consequences of this development by creating a
beneficial aquatic resource that will help maintain or minimize degradation of waters of the U. S.
-downstream of the project and protect the important streams and wetlands. The mitigation sites will be
preserved by the applicant or by a group designated by the owner for this purpose.
Please contact me if you have any questions or require additional explanation. Thank you for your
consideration.
Leonard S. Rindner, PWS
Environmental Planning Consultant
Profession Wetland Scientist
cc: Mr. Tony Gaffey
DEM ID: CORPS ACTION ID:'-
NATIONWIDE PERMIT REQUESTED (PROVIDE NATIONWIDE PERMIT #): i e g
PRE-CONSTRUCTION NOTIFICATION APPLICATION
FOR MATIONWIDE PERMITS THAT REQUIRE :
1) NOTIFICATION TO ZEE CORPS OF ENGINEERS
Z) APPLICATION FOR SECTION 401. CERTIFICATION
3) COORDINATION WITS THE NC DIVISION OF COASTAL MANAGEMENT
SEND THE ORIGINAL AND (1) COPY OF THIS COMPLETED FORM TO THE APPROPR=ATE
FIELD OFFICE OF THE CORPS OF ENGINEERS (SEE AGENCY ADDRESSES SHEET) . SEVEN
(7) COPIES SHOULD-BE SENT-TO THE N.C. DIVISION OF ENVIRONMENTAL MANAGEMENT
(SEE AGENCY ADDRESSES SHEET). PLEASE PRINT.
1. OWNERS NAME:
2. MAILING ADDRESS:
i . 7.-e v yr

SUBDIVISION NAME:
CITY: STATE: ZIP .CODE:

PROJECT LOCATION ADDRESS, INCLUDING SUBDIVISION NAME (IF DIFFERENT FROM
MAILING ADDRESS ABOVE) . ?
r R
3. TELEPHONE NUMBER (H OME) : (WORK)
?. ZF APPLICABLE: AGENT 'S NAME OR' RESPONSIBLE CORPORATE. OFFICIAL, ADDRESS,
PHONE NUMBER:

?
k6plo,4
A 0
CAad-a Ate 010Z -73 -016
5. LOCATION OF WORK (PROVIDE A MAP, PREFER_kBLY A COPY OF USGS TOPOGR-kPHIC
MAP. OR AE I DG PHY-WITH SCALE):
COUNTY: tX ``', NEAREST TOWN OR CITY: CAarl
1
SPECIFIC .?LOCATION I (INCLUDE ROAD
NUMBERS, LANDMARKS, ETC.) : 4%2 1
6. IMPACTED OR NEAREST STREAM/ RIVER:
RIVER BASIN: 7a. IS PROJECT LOCATED NEAR WATER CLASSIFIED AS TROUT, TIDA?, SALTWATER
(SA) , HIGH QUALITY WATERS (HQW) , OUTS-LANDING RESOURCE WATERS (ORW) , WATER
SUPPLY (WS-I OR WS-II)? YES ) NO [ ] IF YES, EXPLAIN:
7b. IS THE PROJECT LOCATED WITHIN A NORTH CAROLINA DIVISION OF COASTAL
MANAGEMENT AREA OF ENVIRONMENTAL CONCERN (AEC) ? YES [.] NO [ ]
7c. IF THE PROJECT IS LOCATED WITHIN A COASTAL COUNTY (SEE PAGE 7 FOR
LIST OF COASTAL COUNTIES), WHAT IS THE LAND USE PLAN (LUP) DESIGNATION?
Sa. HAVE ANY SECTION 404 PERMITS BEEN PREVIOUSLY REQUESTED FOR USE ON
THIS PROPERTY? YES [ ] NO [ IF YES, PROVIDE ACTION I.D. NUMBER OF
PREVIOUS PERMIT AND ANY ADDITIONAL INFORMATION (INCLUDE PHOTOCOPY OF 401
CERTIFICATION):
Sb. ARE ADDITIONAL PERMIT REQUESTS EXPECTED FOR THIS PROPERTY IN THE
F7T,7TR77 YES f?f NO F 1 IF YES, DESCRIBE ANTICIPATED WORK:
9b. ESTIMATED TOZ
t . ir v zr,
NUMBER OF ACRES OF WETLANDS LOCATED ON PROJECT SITE:
to 4^?? ' as --
- r e
9a. ESTIMATED TOTAL NUMBER OF ACRES IN TRACT OF LAND :
trtkoAt(44, 4?+"eAN M4 4%
P40fe, co a M. 1 0^ 2 f'i ?" a - 4e. rA IA IM f
10a. NUMBER OF ACRES Q?F WET DS 'MPACTED BY THE PROPOSED PROJECT BY:
FILLI G: EXCAVATION:
FLOODING: OTHER:
DRAINAGE:
TOTAL ACRES TO BE IMPACTED:
-tor 10 `*c4
lob (1) STREAM CHANNEL TO BE IMPACTED BY THE PROPOSED PROJECT (IF
RELOCATED, FROVIDEE DIS C" BOTH BEF RE P.ND AFTER RELOCATION)
dJqLENGTH BEFORE: :tf 1 Z2Z2 1 4" t A l"ER: lp FT
WIDTH BEFORE (based on normal high water contours): 0 FT
WIDTH AFTER: FT
AVERAGE DEPTHS BEFORE: FT . AFTER: FT
(2) STREAM- CHANNEL IMPACTS WILL RESULT FROM: (CHECK ALL THAT APPLY)
OPEN CHANNEL RELOCATION: PLACEMENT OF P=PE IN CHANNEL:
CHANNEL EXCAVATION: CONSTRUCTION OF A DPM,/FLOODING:
• a t A
OTHER: _
11. IF CONSTRUCTION OF A POND IS P POSED, WHAT IS THE SUE OF- T?
WATERSHED D "INING TO THE POND? f
WHAT IS THE EXPECTED POND SURFIE AREA? Cal
12. DESCRIPTION OF PROPOSED WORK
MECHANICAL, EQUIPMENT TO BE USED
ONLY)
4o
13. PURPOSE OF PROPOSED WORK:
INCLUDING DISCUSSION OF TYPE OF
(ATTACH PLANS: 3 1/2" X 11" DRAWINGS
3
14. STATE REASONS WHY. IT IS BELIEVED THAT THIS ACTIVITY MUST BE CARRIED
OUT IN WET S. (INCLUDE ANY MEASURES KEN TO MINIMIZE D
IMPACTS): 4 ?l

15. YOU ARE REQUIRED TO CONTACT THE U.S. FISH AND WILDLIFE SERVICE
(USFWS) AND/OR NATIONAL MARINE FISHERIES SERVICE (NMFS) (SEE AGENCY
ADDRESSES SHEET) REGARDING THE PRESENCE OF ANY FEDERALLY LISTED OR
PROPOSED FOR LISTING ENDANGERED OR THREATENED SPECIES OR CRITICAL HABITAT
IN THE PERMIT AREA THAT MAY BE AFFECTED BY THE PROPOSED PROJECT. DATE
CONTACTED: (ATTACH RESPONSES
FROM THESE AGENCIES.)
16. YOU ARE REQUIRED TO CONTACT THE STATE HISTORIC PRESERVATION OFFICER
(SHPO) (SEE AGENCY ADDRESSES SHEET) REGARDING THE PRESENCE OF HISTORIC
PROPERTIES IN THE PERMIT AREA WHICH MAY BE AFFECTED BY THE PROPOSED
PROJECT. DATE CONTACTED: -
17. DOES THE PROJECT INVOLVE AN EXPENDITURE OF PUBLIC FUNDS OR THE USE OF
PUBLIC (STATE) LAND?
YES [] NO (IF NO, GO TO 18)
a. IF YES, DOES THE PROJECT REQUIRE PREPARATION OF AN ENVIRONMENTAL
DOCUMENT PURSUANT TO THE REQUIREMENTS OF THE NORTH CAROLINA ENVIRONMENTAL
POLICY ACT?
YES [I NO
b. IF YES, HAS THE DOCUMENT BEEN REVIEWED THROUGH THE NORTH C -LROLINA
DEPARTMENT OF ADMINISTRATION STATE CLEARINGHOUSE?
YES [I NO [
IF ANSWER TO 17b IS YES, THEN SUBMIT APPROPRIATE DOCUMENTATION FROM THE
STATE CLEARINGHOUSE TO DIVISION OF ENVIRONMENTAL MANAGEMENT REGARDIL-4G
COMPLIANCE WITH THE NORTH. CAROLINA ENVIRONMENTAL POLICY ACT.
QUE=STIONS REGARDING THE STATE CLEARINGHOUSE REVIEW PROCESS SHOULD BF-F
DIRECTED TO MS. CHRYS BAGGETT, DIRECTOR STATE CLEARINGHOUSE, NORTH
CAROLINA DEPARTMENT OF ADMINISTRATION, 116 WEST JONES STREET, RALEIGH,
NORTH CAROLINA 27603-8003, TELEPHONE [phone].
4
18. THE FOLLOWING ITEMS SHOULD BE INCLUDED WITH THIS APPLICATION IF
PROPOSED ACTIVITY INVOLVES THE DISCHARGE OF EXCAVATED OR FILL MATERIAL
INTO WETLANDS:
a. WETLAND DELINEATION MAP SHOWING ALL WETLANDS, STREAMS, LAKES
AND PONDS ON THE PROPERTY (FOR'NATIONWIDB.PERMIT NUMBERS 14., 18, 21, 26,
29, AND 38). ALL` STREAMS (INTERMITTENT AND PERMANENT) ON THE PROPERTY
MUST BE SHOWN ON THE MAP. MAP SCALES SHOULD BE 1 INCH EQUALS 50 FEET OR
INCH EQUALS 100 FEET OR THEIR EQUIVALENT.
b. IF AVAILABLE, REPRESENTATIVE PHOTOGRAPH OF WETLANDS TO BE
IMPACTED BY PROJECT.
C. IF DELINEATION WAS PERFORMED BY A CONSULTANT, INCLUDE ALL DATA
SHEETS RELEVANT TO THE PLACEMENT OF THE DELINEATION LINE.
d. ATTACH A COPY OF THE STORMWATER. MANAGEMENT PLAN IF REQUIRED.
e. WHAT IS LAND USE OF SURROUNDING PROPERTY?
-? Af r? m?' 49tngn?J
f. IF APPLICABLE, WHAT IS PROPOSED METHOD OF SEWAGE DISPOSAL?
g. SIGNED AND DATED AGENT AUTHORIZATION. LETTER, IF APPLICABLE.
NOTE: WETLANDS OR WATERS OF THE U.S. MAY NOT BE IMPACTED PRIDR TO:
1)'ISSUANCE OF A SECTION 404 CORPS OF ENGINEERS PERMIT,
2) EITHER THE ISSUANCE OR WAIVER OF A 401 DIVISION OF
ENVIRONMENTAL MANAGEMENT (WATER QUALITY) CERTIFICATION, AND
3) 11K THE TWENTY COASTAL COUNTIES ONLY), A LETTER FROM !THE
NORTH CAROLINA DIVISION OF COASTAL MANAGEMENT STATING THE PRO'E'OSED
ACTIVITY IS CONSISTENT WITH THE NORTH CAROLINA COASTAL MANAGEMENT
PROGRAM.
?? ER'S/AGENT'S GNA URE DATE
(AGENT'S SIGNATUR VALID ONLY
IF AUTHORIZATION LETTER FROM
THE OWNER IS PROVIDED (18g.))
1.
5
MEMORANDUM
TO: John Dorney Regional Contact:
Non-Discharge Branch WO Supervisor:
Date:
SUBJECT: WETLAND STAFF REPORT AND RECOMMENDATIONS
Facility Name Brookmere c/o LandCraft Properties
Project Number 01 0352
Recvd From APP
Received Date 3/12/01 Recvd By Region
Project Type subdivision
County Mecklenburg
County2
Region Mooresville
Certificates Stream
Permit Wetland Wetland Wetland Stream Class Acres Feet
Type Type Impact Score Index Prim. Supp. Basin Req. Req.
14 Stream O T ll-(117) WSIV CA 30,833. ?- 1.200.00'i
Mitigation Wetland
MitigationType Type Acres Feet
Is Wetland Rating Sheet Attached? 0 Y 0 N Did you request more info? Q Y t0 N
Have Project Changes/Conditions Been Discussed With Applicant? Q Y 0 N
Is Mitigation required? 0 Y 0 N Recommendation: 0 Issue 0 Issue/Cond 0 Deny
Provided by Region: Latitude (ddmmss) 351903 Longitude (ddmmss) 805852
Comments:
cc: Regional Office
Central Office Page Number 1
Facility Name Brookmere do LandCraft Properties County Mecklenburg

Project Number 01 0352 Regional Contact: Pete Colwell
Date: 4/2/2001
Comments (continued from page 1):
The a lip 'cant proposes to impact the southern tributary with a road crossing below the powerline and
1100 linear feet of the intermittent channel above the nowerline. A sewer line will also be constructed
by the Charlotte -Mecklenburg Utilities Department along the southern tributary. The applicant
proposes to preserve the remaining stream channels and all jurisdictional wetlands on the tract. In
order to offset the stream channel and pond impacts and protect downstream uses two tormwat r
quality ponds are proposed above the wetland areas on both tributaries. The larger stream is also
protected by a 100 foot wide S.W.I.M. buffer. The applicant also indicates that there will be no "tail
ditching" of stormwater directly into streams or wetlands.
cc: Regional Office
Central Office Page Number 2

Brookm.ere
o 1035
Mecklenburg County
North Carolina
Joint Application Form and Supporting Documentation for
NATIONWIDE PERMITS THAT REQUIRE NOTIFICATION
TO CORPS OF ENGINEERS
NATIONWIDE PERMITS THAT REQUIRE
SECTION 401 CERTIFICATION CONCURRENCE
Prepared for:
LandCraft Properties, Inc.
201 N. Tryon Street
Suite 2650
Charlotte, NC 28202
1-704-332-9340
INSITE Engineering
201 N. Tryon Street
Suite 2670
Charlotte, NC 28202
1-704-373-0113
Prepared By.
Leonard S. Rindner, PWS
Environmental Planning Consultant
3714'Spokeshave Lane
Matthews, NC 28105
1-[phone]
Date :3/01 , •

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('7
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PAYMENT
RECEIVED
LEONARD S. RINDNER, PWS
Environmental Planning Consultant 3714 Spokeshave Lane
Professional Wetland Scientist Matthews, NC 28105
Land Planning [phone]
March 3, 2001
Mr. Steve Chapin
US Army Corps of Engineers - Reg. Field Office
151 Patton Avenue - Room 208
Asheville, NC 28801 - 5006
Mr. John R Dorney
Division of Water Quality - NCDENR
2321 Crabtree Boulevard, Suite 250
Raleigh, NC 27604
Mr. Pete Colwell
NCDENR - Division of Water Quality
919 North Main Street
Mooresville, NC 28115
Re: Brookmere - + 154 Acre, Mecklenburg County - NWP #14, #39
Dear Sirs:
On behalf of my client, LandCraft Properties, I am requesting authorization to use Nationwide Permits 14,
39 to fill + 1,100 linear feet of unimportant intermittent tributaries and cross a perennial stream with a
road crossing. Over 97% of the important intermittent and perennial streams have been avoided and will
be protected by buffers as depicted in the attached report based on preliminary discussions with Mr. Pete
Colwell and Steve Chapin of the USACE. Storm water treatment facility will be provided to treat surface
runoff from developed areas on the site. Storm water will also be treated by the existing wetlands and
spread over buffers where applicable. Based on discussions with Pete Colwell there will be no tail-ditching
to existing streams. Tail ditching is not permitted in Mecklenburg County SWIM Buffers. The primary
stream is protected by 100 foot Mecklenburg County S.W.I.M. buffers and large preserved wetlands.
Project construction will strictly adhere to an approved Sedimentation and Erosion Control Plan.
General Wetland Classification and Description
The wetland and riparian areas on this site can be described as Palustrine Forested Broad Leaved and
Scrub-Shrub Temporarily Flooded. The majority of the site is a moderately sloping former agricultural
land and woodland. Trees include green ash, sweetgum, red maple, willow oak, black willow, and
American elm, alder, silky dogwood, sycamore, and swamp chestnut oak. Understory and herbaceous
strata includes smilax, sedges, soft rush, poison ivy, etc. The site includes Monacan soils. These soils are
map units, which may have inclusions of hydric soils according to the Natural Resource Conservation
Service, Technical Guide-Section II-A-2, June 1991.
Methodology
Preliminary identification of the Jurisdictional Waters on the site were determined according to the Corps
Brookmere, Page 3
March 4, 2001
of Engineers Wetland Delineation Manual, TechnicaTReport Y-87-1, 1987, with Appendices. Preliminary
data gathering included review and interpretation of topographic maps; USDA Soil Conservation Survey;
aerial photographs, and preliminary site visits to -selected areas. Then the Routine On-Site Determination
Method was utilized to determine the upper boundary of the wetlands. In order to make a positive wetland
determination indicators of hydrophytic vegetation, hydric soil, and wetland hydrology were be
identified as described in the manual.
SUMMARY OF JURISDICTIONAL WATERS OF U.S.
Surface Waters Primary Perennial (± 3,50011) + 0.64 ac.
Perennial ( ± 1,200 lf) + 0.16 ac.
Intermittent to perennial (+ 1,000 If) _+ 0.08 ac.
Unimportant intermittent (+ 1,100 lf) + 0.08 ac.
Wetlands + 4.90 ac.
Approximate Total - Waters of the U.S. + 5.86 ac.
SUMMARY OF IMPACTS
Surface Waters Primary Perennial ± 0.00 ac.
Perennial + 0.02 ac.
Intermittent to perennial , + 0.00 ac.
Unimportant intermittent (+ 1,100 It) + 0.08 ac.
Wetlands + 0.00 ac.
Total Impacts - Waters of the U.S. + 0.10 ac.
WETLANDS PERMITTING AND MITIGATION
Avoidance. Minimization, and Mitisation
The following avoidance and minimization efforts and measures will also be taken:
Best Management Practices will also be employed to minimize impacts to Jurisdictional Waters. These
will include:
a) Siltation Barriers; Sediment Traps and Diversion Ditches
b) Barricades to define construction limits to sensitive sites and to protect trees to be preserved
c) Preconstruction meetings
d) Vehicular access will be restricted to specific areas to avoid disturbance to adjacent wetlands and
natural areas to be preserved.
e) Methods to prevent short term impacts will be inspected regularly and maintained during
construction of the project.
f) Wetlands/streams to be preserved will be clearly marked prior to construction to prevent
accidental damage. The contractors will be held responsible for unauthorized wetland and stream
Brookmere, Page 4
March 4, 2001
damage not permitted according to plans and specifications.
g) Project construction will strictly adhere to an approved Sedimentation and Erosion Control Plan.
Best Management Practices will include utilizing siltation trapping ponds and other erosion
control structures where appropriate. Impacts from hazardous materials and other toxins to fish
and aquatic life such as fuels will be avoided by not permitting staging areas to be located near
surface waters.
h) As required by the 401 Water Quality Certification conditions, measures will be taken to prevent
"live" or fresh concrete from coming into contact with waters until the concrete has hardened.
Proposed Compensatory Mitigation - Storm water Manauement Plan
Buffers measured from the. top of the bank will protect the remaining streams. Where necessary due to
construction conflicts, the minimum buffer shall be 30'. As depicted on the attached plans, the buffer
will be wider than to the extent feasible. A final buffer plan will be provided prior to stream impacts.
Required Mecklenburg County 100' SWIM buffers protect the primary creek. A Storm water Management
Plan will be designed and implemented for the project to meet the 401 Water Quality Certification
requirements. The planners will utilize information and guidelines provided by the North Carolina
Department of Environment, Health, and Natural Resources Water Quality Section in developing this
storm water facility. Storm water will also be treated. utilizing existing wetlands and spreading storm
drainage over buffers. As discussed with NCDENR-NCDWQ, tail-ditching of storm drainage to creeks
will be avoided.
PROTECTION FROM FUTURE DEVELOPMENT
The preserved wetlands and streams will be protected from future impacts by the applicant or by a group
designated by the applicant for this purpose. Development of these areas will be deed restricted in
accordance with restrictive covenants, which will be developed for approval by the USACE and/or
NCDWQ.
THREATENED AND ENDANGERED SPECIES
Federally listed plant and animal species with endangered or threatened status are protected under the
Endangered Species Act of 1973. The US Fish and Wildlife Service has identified Schweinitz's sunflower
(Helianthus schweinitzii) and the Carolina heelsplitter (Mecklenburg County). Schweinitz's, sunflower
thrives in full sun characteristic of succession fields, margins, and forested openings. Based on a site
reconnaissance, habitat conducive to support the Schweimtz's sunflower is not present in the project area.
The Carolina heelsplitter is a freshwater mussel, which prefers shaded areas either, in a ponded portion of
a small stream or in runs along steep banks with moderate current. Primary habitat is waters less than
three feet deep with a soft mud, muddy sand, or shady gravelly substrate. It is normally restricted to
protected silted areas or under banks especially associated with obstructions such as stumps or fallen trees.
Its current distribution according to the US Fish and Wildlife Service is limited to portions of two streams
-- Goose Creek and Waxhaw Creek -- and a small river originating from rural areas in Union County.
Therefore it is not expected to occur on this site.
Brookmere, Page 5
March 4, 2001
CULTURAL RESOURCES
The project site is disturbed from previous agricultural activities. No structures were found on the site.
The State Historic Preservation Office may review of the USGS maps at the Office of State Archaeology
and the Survey and Planning Office of the North Carolina Department of Cultural Resources to determine
if sites are indicated on the National Historic Register within the study area.
AQUATIC HABITAT
The aquatic systems in the project area consist of tributaries in the Catawba River Basin. A variety of
wildlife is supported by these systems including mammals, birds, reptiles, amphibians, fish, insects,
mollusks, and crustaceans. Therefore strict adherence to an approved erosion and sedimentation control
plan will be maintained during the construction period in order to control degradation of water quality
downstream and protect the areas to be preserved.
CONCLUSION
This project will provide important economic benefits to the region. Based on the value of the
jurisdictional waters and wetlands on this site, the developer has chosen to balance the site's economic
viability with its environmental value and permitability. The goal of the Storm water Treatment and
Mitigation Plan is to help balance the environmental consequences of this development by creating a
beneficial aquatic resource that will help maintain or minimize degradation of waters of the U. S.
downstream of the project and protect the important streams and wetlands. The mitigation sites will be
preserved by the applicant or by a group designated by the owner for this purpose.
Please contact me if you have any questions or require additional explanation. Thank you for your
consideration.
Leonard S..Rindner, PWS
Environmental Planning Consultant
Profession Wetland Scientist
cc: Mr. Tony Gaffey
DEM ID: CORPS ACTION ID:-
NATIONWIDE PERMIT REQUESTED (PROVIDE NATIONWIDE PERMIT #)
PRE-CONSTRUCTION NOTIFICATION APPLICATION
FOR NATIONWIDE PERMITS THAT REQUIRE:
1) NOTIFICATION TO THE CORPS OF ENGINEERS
2) APPLICATION FOR SECTION 401CERTIFICATION
3) COORDINATION WITH THE NC DIVISION OF COASTAL NANAGEAMENT
SEND THE ORIGINAL AND (1) COPY OF THIS COMPLETED FORM TO THE APPROPR=ATE
FIELD OFFICE OF THE CORPS OF ENGINEERS (SEE AGENCY ADDRESSES SHEET) SEVEN
(7) COPIES SHOULD BE SENT TO THE N.C. DIVISION OF ENVIRONMENTAL MANAGEMENT
(SEE AGENCY ADDRESSES SHEET). PLEASE PRINT.
OWNERS NAME : d / / / e , ?? ?' •
2 . MAILING ADDRESS :
0
j SUBDIVISION NAME:
CITY: STATE: ,LPG ZIP CODE: PROJECT LOCATION ADDRESS, INCLUDING SUBDIVISION NAME (IF DIFFERENT FROM
MAILING ADDRESS ABOVF):
3. TELEPHONE NUMBER (HOME):
A-Loft
(WORK) : 704-
4. ZF APPLICABLE: AGENT'S NAME OR' RESPONSIBLE CORPORATE. OFFICIAL, ADDRESS,
PHONE NUMBER:

' r
-7io tekolel.f?? ' ^lc Z,8 2.0 IL_ - og-;-73 °113
5. LOCATION OF WORK (PROVIDE A MAP,'PREFERkBLY A COPY OF USGS TOPOGR-APHIC
MAP. OR AE I P OGRAPHY WITH SCALE) : '/,
ar?4
COUNTY:" NEAREST TOWN OR CITY:
1
SPECIFIC LOCATION (INCLUDE ROAD
NUMBERS, LANDMARKS, ETC.):
C3 ?c.?i 03?t
6. IMPACTED OR NEAREST STREAM/RIVER: .pnw=
RIVER BASIN:.
7a. IS PROJECT LOCATED NEAR WATER CLASSIFIED AS TROUT, TIDAL SALTWATER
(SA), HIGH QUALITY WATERS (HQW), OUTSTANDING RESOURCE WATERS (ORW), WATER
SUPPLY (WS-I OR WS-II)? YES [ ] NO [ ] IF YES, EXPLAIN:
7b. IS THE PROJECT LOCATED WITHIN A NORTH CAROLINA DIVISION OF COASTAL
M_aVAGEMENT AREA OF ENVIRONMENTAL CONCERN (AEC) ? YES [. ] NO [ ]
7c. IF THE PROJECT IS LOCATED WITHIN A COASTAL COUNTY (SEE PAGE 7 F(OR
LIST OF COASTAL COUNTIES), WHAT IS THE LAND USE PLAN (LUP) DESIGNATION?
Sa. HAVE ANY SECTION 404 PERMITS B TEN PREVIOUSLY REQUESTED FOR USE ON
THIS PROPERTY? YES [ ] NO [ IF YES, PROVIDE ACTION I.D. NUMBER OF
PREVIOUS PERMIT AND ANY ADDITIONAL INFORMATION (INCLUDE PHOTOCOPY OF 401
CERTIFICATION):
Sb. ARE ADDITIONAL PERMIT REQUESTS EXPECTED FOR THIS PROPERTY IN THE
7r7TTMr') vF'G rte'( No r 1 IF YES. DESCRIBE ANTICIPATED WORK:
9b. ESTIMATED TOT .t,lr ?.? 6_4
ER OF ACRES OF WETLANDS LOCATED ON PROJECT SITE:

9a. ESTIMATED TOTAL NUMBER OF ACRES IN TRACT OF LAND:
j?.csc_ C l av.c.t C. 20 dr? t - <cc nn ?„ Im tl
c 10a. NUMBER OF ACRES QQF WETLANDS BY THE PROPOSED PROJECT BY:
jCt jp:031 f11oo IF ?..-l-..s?'t"t4.• tJ?r.til .o?a,',?Jrr
NwplI&f lip If _ EXCAVATION:
?'. S ?.?a1'V1 :t Acr?
FLOODING:
DRAINAGE:
OTHER:
TOTAL ACRES TO BE IMPACTED : too to "4
10b. (1) STREAM CHANNEL TO BE IMPACTED BY THE PROPOSED PROJECT (IF
RELOCATED, PROVIDE DIS IVC,- BOTH BEr PRE ;21D AFTER RELOCATION)
is 0
L?OWLZNGTH BEFORE: :t f O nT, 14: M'\?GG?PW1 ER: -P FT
(y'
??? -
WIDTH BEFORE (based on normal high water contours): FT
-0 --
WIDTH AFTER:
AVERAGE DEPTH BEFORE:
?t
FT AFTER: ? FT
(2) STREAM CHANNEL _IMPACTS WILL RESULT FROM: (CHECK P AL THAT APPLY)
OPEN CHANNEL RELOCATION: PLACEMENT OF PIPE IN CHANNEL:
CHANNEL EXCAVATION: CONSTRUCTION OF A DAM/FLOODING:
OTHER:
11. IF CONSTRUCTION OF A POND IS P POSED, WHAT IS THE S E OF
WATERSHED D "NING TO THE POND?
WHAT IS THE EXPECTED POND SURFIE AREA.
12. DESCRIPTION OF PROPOSED WORK
MECHANICAL EQUIPMENT TO BE USED
ONLY)

13. PURPOSE OF PROPOSED WORK:
oooeo --
INCLUDING DISCUSSION OF TYPE OF
(ATTACH PLANS: 8 1/2" X 11" DRAWINGS
3
14. STATE REASONS WHY. IT IS BELIEVED THAT. THIS ACTIVITY MUST BE CARRIED
OUT IN WET S. (INCLUDE ANY MEASURES EN TO MINIMIZE ET D
IMPACTS) : rr? l?d1 1!'OtM{'?EJr OX'ej
' I?'COC?'1?'ltlt.C CA?1_
v

15. YOU ARE REQUIRED TO CONTACT THE U.S. FISH AND WILDLIFE SERVICE
(USFWS) AND/OR NATIONAL MARINE FISHERIES SERVICE (NMFS) (SEE AGENCY
ADDRESSES SHEET) REGARDING THE PRESENCE OF ANY FEDERALLY LISTED OR
PROPOSED FOR LISTING ENDANGERED OR THREATENED SPECIES OR CRITICAL HABITAT
IN THE PERMIT AREA THAT MAY-BE AFFECTED BY THE PROPOSED PROJECT. DATE
CONTACTED: (ATTACH RESPONSES
FROM THESE AGENCIES.-)
16. YOU ARE REQUIRED TO CONTACT THE STATE HISTORIC PRESERVATION OFFICER
(SHPO) (SEE AGENCY ADDRESSES SHEET) REGARDING THE PRESENCE OF HISTORIC
PROPERTIES IN THE..PERMIT AREA WHICH MAY BE AFFECTED BY THE PROPOSED
PROJECT. DATE CONTACTED:
17. DOES THE PROJECT INVOLVE AN EXPENDITURE OF PUBLIC FUNDS OR THE USE OF
PUBLIC (STATE) LAND?
YES [] NO (IF NO, GO TO 18)
a. IF YES, DOES THE PROJECT REQUIRE PREPARATION OF AN ENVIRONMENTAL
DOCUMENT PURSUANT TO THE REQUIREMENTS OF THE NORTH CAROLINA ENVIRONMENTAL
POLICY ACT?
YES [ ] NO [ ]
b. IF YES, HAS THE DOCUMENT BEEN REVIEWED THROUGH THE NORTH CAROLINA
DEPARTMENT OF ADMINISTRATION STATE CLEARINGHOUSE?
YES [ ] NO [ ]
IF ANSWER TO 17b IS YES, THEN SUBMIT APPROPRIATE DOCUMENTATION FROM THE
STATE CLEARINGHOUSE TO DIVISION OF ENVIRONMENTAL, MANAGEMENT REGARDII-7G
COUPLIANCE WITH THE NORTH CAROLINA ENVIRONMENTAL POLICY ACT.
QUESTIONS REGARDING THE STATE CLEARINGHOUSE REVIEW PROCESS SHOULD Ba
DIRECTED TO MS. CHRYS BAGGETT, DIRECTOR STATE CLEARINGHOUSE, NORTH
CAROLINA DEPARTMENT OF ADMINISTRATION, 116 WEST JONES STREET, RALEIGH,
NORTH CAROLINA 27603-8003, TELEPHONE [phone],9.
4
18. THE FOLLOWING ITEMS SHOULD BE INCLUDED WITH THIS APPLICATION IF
PROPOSED ACTIVITY INVOLVES THE DISCHARGE OF EXCAVATED OR FILL MATERIAL
INTO WETLANDS:
a. WETLAND DELINEATION MAP SHOWING ALL WETLANDS, STREAMS, LAKES
AND PONDS ON THE PROPERTY (FOR NATIONWIDE PERMIT NUMBERS 14, 18, 21, 26,
29, AND 38). ALL-STREAMS (INTERMITTENT AND PERMANENT) ON THE PROPERTY
MUST BE SHOWN ON THE MAP. MAP SCALES SHOULD BE 1 INCH EQUALS 50 FEET OR
INCH EQUALS 100 FEET OR THEIR EQUIVALENT.
b. IF AVAILABLE, REPRESENTATIVE PHOTOGRAPH OF WETLANDS TO BE
IMPACTED BY PROJECT.
C. IF DELINEATION WAS PERFORMED BY A CONSULTANT, INCLUDE ALL DATA
SHEETS RELEVANT TO THE PLACEMENT OF THE DELINEATION LINE.
d. ATTACH A COPY OF THE STORMWATER MANAGEMENT PLAN IF REQUIRED.
e. WHP_T IS LAND USE OF SURROUNDING PROPERTY?
1
g. SIGNED AND DATED AGENT AUTHORIZATION. LETTER, IF APPLICABLE.
NOTE: WETLANDS OR WATERS OF THE U.S. MAY NOT BE IMPACTED PRIOR TO:
1) ISSUANCE OF A SECTION 404 CORPS OF ENGINEERS PERMIT,
2) EITHER THE ISSUANCE OR WAIVER OF A 401 DIVISION OF
ENVIRONMENTAL MANAGEMENT (WATER QUALITY) CERTIFICATION, AND/
3) 11N = TWENTY COASTAL COUNTIES ONLY) , A LETTER FROM 2HE
NORTH CAROLINA DIVISION OF COASTAL MANAGEMENT STATING THE PROPOSED
ACTIVITY IS CONSISTENT WITH THE NORTH CAROLINA COASTAL MANAGEMENT
PROGRAM.
3/0
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LEONARD S. RINDNER. PA'S
Environmental Planning Consultant 3714 Spokeshave Lane
Professional Wetland Scientist _ Matthews, NC 28105
Land Planning. Tele: (704) 846=0461
Fax [phone]
October 22, 2000
Mr. Tony Gaffey
INSITE Engineering, PLLC
201 N. Tryon Street, Suite 2670
Charlotte, N.C. 28202
Re: Brookmere - Mt. Holly/Huntersville Road, Charlotte, NC
Dear Tony:
I visited the proposed project site to conduct a wetland and stream determination and delineation as
requested. An area is determined to be a wetland when it exhibits Hydric Soil, Hydrophytic Vegetation,
and Wetland Hydrology characteristics. These characteristics are required to be in accordance with the
definitions in the U.S. Army Corps Wetland Delineation Manual, 1987. Areas, which exhibit these three
characteristics, are identified as a wetland and permits may be required for development activities within
these areas. Surface waters such as perennial and intermittent creeks are also subject to Section 404 of the
Clean Water Act.
Wetland Survey
The delineation should now be surveyed to verify the extents, however, there may be modifications
(usually minor, if any) based on USAGE verification. These areas are approximately indicated on the
attached map, however this map should not be used as an accurate representation of wetland and stream
extents. A survey would determine the actual extents more accurately and clarify the regulatory issues and
potential mitigation conditions if necessary. The attached map is for illustrative purposes only. A survey is
required for the USACE to make a final jurisdictional determination on the property.
The flags used to define the wetlands are yellow and blue tied together numbered sequentially as roughly
depicted on the attached map. A slash (/) next to the number indicates a connection. All notes on the flags
should be recorded. The point numbers must appear on the survey in a clear and legible manner. Once the
preliminary survey is conducted it will need to be reviewed by me to make sure that the connections are as
intended. Additional site visits and coordination with the surveyor may be required if areas need to be
extended to meet the property lines. The flag numbers must be on the map and legible. The centerline of
all streams must be surveyed with approximate width identified The map will need to be produced based
on the following requirements.
1. Metes and bounds tied to a property corner or other known point or listing of the northings and
eastings (NC Coordinate Grid).
2. Location of each point identified to be included on the map.
Property lines of the entire property or parcel. Floodplains limits and contours should be included
on the map, if possible. The map should also include locally required stream buffers, if required.
Brookmere, Page 2
October 22, 2000
4. Wetland boundaries should be closed into distinct polygons. Acreage should be indicated for each
polygon. It is helpful to have the polygons identified (i.e. Area "A', etc.). Surface waters such as
perennial and intermittent channels should also be identified calculated in acreage and linear
feet. The areas should then be listed in a table and totaled.
5. The map should have a vicinity map, north arrow, and scale, project name property owner and/or
developer including name, address, telephone number, and size of tract.
6. The surveyor must seal the survey
7. The following note needs to be shown on the map for the USACE to sign:
Wetland Certification
This certifies that this copy of this plat accurately depicts the boundary of jurisdiction of Section 404 of
the Clean Water Act as determined by the undersigned on this date. Unless there is a change in the law of
our published regulations this determination of Section 404 jurisdiction may be relied upon for a period
not to exceed five (5) years from this date. This determination was made utilizing the 1987 Corps of
Engineers Wetland Delineation Manual.
Name:
Title:
Date:
(signed by U.S. Army Corps of Engineers)
I would like to review the plan before it is finalized. Once complete I will need a sealed mylar and
three sealed prints to forward to the USACE with supporting documentation.
Please let me know if you have any questions or require further explanation.
Thanks.
SiQZ-
qrd rlS. Rindner, PWS
mental Planning Consultant
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USCS QUAD-RANT. ISLAND LAKE
17'30"
INSFUE,
L neering, P.L.L. C,
FAX TRANSMITTAL
DATE: February 28, 2001
TO: Litt RinAner
FROM Scott C. Doerr
RE: Cmud sewer line along creek
# OF PAGES _2
(INCLUDING COVER SHEET)
Lyn,
Here is a plot of the sewer trunk line Cmud is.going to build as it passes through our site.
Cmud is building this line as part of the Catawba River trunk line. Let me know if you
need any additional plots, or blowups.
201 N. Tryon Sheet, Suite 2670 + Charlotte, North Carolina 28202
Phone: [phone] Fax: [phone]
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Brookmere
Mecklenburg County
North Carolina
Joint Application Form and Supporting Documentation for
',s 4f? '' ry-rn
1 1 2 2MI
'016352
NATIONWIDE PERMITS THAT REQUIRE NOTIFICATION
TO CORPS OF ENGINEERS
NATIONWIDE PERMITS THAT REQUIRE
SECTION 401 CERTIFICATION CONCURRENCE
Prepared for:
LandCraft Properties, Inc.
201 N. Tryon Street
Suite 2650
Charlotte, NC 28202
1-704-332-9340
INSITE Engineering
201 N. Tryon Street
Suite 2670
Charlotte, NC 28202
1-704-373-0113
Prepared By:
Leonard S. Rindner, PWS
Environmental Planning Consultant
3714 Spokeshave Lane
Matthews, NC 28105
1-[phone]
Date : 3/01
PAYMENT
RECEIVED
1
LEONARD S. RINDNER. PW S
Environmental Planning Consultant 3714 Spokeshave Lane
Professional Wetland Scientist Matthews, NC 28105
Land Planning [phone]
March 3, 2001
Mr. Steve Chapin
US Army Corps of Engineers - Reg. Field Office
151 Patton Avenue - Room 208
Asheville, NC 28801 - 5006
Mr. John R Dorney
Division of Water Quality - NCDENR
2321 Crabtree Boulevard, Suite 250
Raleigh, NC 27604
Mr. Pete Colwell
NCDENR - Division of Water Quality
919 North Main Street
Mooresville, NC 28115
Re: Brookmere + 154 Acre, MecklenburLy County - NWP #14. #39
Dear Sirs
On behalf of my client, LandCraft Properties, I am requesting authorization to use Nationwide Permits 14,
39 to fill + 1,100 linear feet of unimportant intermittent tributaries and cross a perennial stream with a
road crossing. Over 97% of the important intermittent and perennial streams have been avoided and will
be protected by buffers as depicted in the attached report based on preliminary discussions with Mr. Pete
Colwell and Steve Chapin of the USAGE. Storm water treatment facility will be provided to treat surface
runoff from developed areas on the site. Storm water will also be treated by the existing wetlands and
spread over buffers where applicable. Based on discussions with Pete Colwell there will be no tail-ditching
to existing streams. Tail ditching is not permitted in Mecklenburg County SWIM Buffers. The primary
stream is protected by 100 foot Mecklenburg County S.W.I.M. buffers and large preserved wetlands.
Project construction will strictly adhere to an approved Sedimentation and Erosion Control Plan.
General Wetland Classification and Descrintion
The wetland and riparian areas on this site can be described as Palustrine Forested Broad Leaved and
Scrub-Shrub Temporarily Flooded. The majority of the site is a moderately sloping former agricultural
land and woodland. Trees include green ash, sweetgum, red maple, willow oak, black willow, and
American elm, alder, silky dogwood, sycamore, and swamp chestnut oak. Understory and herbaceous
strata includes smilax, sedges, soft rush, poison ivy, etc. The site includes Monacan soils. These soils are
map units, which may have inclusions of hydric soils according to the Natural Resource Conservation
Service, Technical Guide-Section II-A-2, June 1991.
Methodolonv
Preliminary identification of the Jurisdictional Waters on the site were determined according to the Corps
Brookmere, Page 3
March 4, 2001
of Engineers Wetland Delineation Manual, Technical- Report Y-87-1, 1987, with Appendices. Preliminary
data gathering included review and interpretation of topographic maps; USDA Soil Conservation Survey;
aerial photographs, and preliminary site visits to selected areas. Then the Routine On-Site Determination
Method was utilized to determine the upper boundary of the wetlands. In order to make a positive wetland
determination indicators of hydrophytic vegetation, hydric soil, and wetland hydrology were be
identified as described in the manual.
SUMMARY OF JURISDICTIONAL WATERS OF U.S.
Surface Waters Primary Perennial (± 3,50011) + 0.64 ac.
Perennial (± 1,20011) + 0.16 ac.
Intermittent to perennial (+ 1,000 If) + 0.08 ac.
Unimportant intermittent (+ 1,100 lf) + 0.08 ac.
Wetlands + 4.90 ac.
Approximate Total - Waters of the U.S. + 5.86 ac.
SUMMARY OF IMPACTS
Surface Waters Primary Perennial + 0.00 ac.
Perennial + 0.02 ac.
Intermittent to perennial , + 0.00 ac.
Unimportant intermittent (+ 1,100 it) + 0.08 ac.
Wetlands + 0.00 ac.
Total Impacts - Waters of the U.S. + 0.10 ac.
WETLANIDS PERMITTING AND MITIGATION
Avoidance. Minimization, and Mitigation
The following avoidance and minimization efforts and measures will also be taken:
Best Management Practices will also be employed to minimize impacts to Jurisdictional Waters. These
will include:
a) Siltation Barriers; Sediment Traps and Diversion Ditches
b) Barricades to define construction limits to sensitive sites and to protect trees to be preserved
c) Preconstruction meetings
d) Vehicular access will be restricted to specific areas to avoid disturbance to adjacent wetlands and
natural areas to be preserved.
e) Methods to prevent short term impacts will be inspected regularly and maintained during
construction of the project.
f) Wetlands/streams to be preserved will be clearly marked prior to construction to prevent
accidental damage. The contractors will be held responsible for unauthorized wetland and stream
Brookmere, Page 4
March 4, 2001
damage not permitted according to plans and specifications.
g) Project construction will strictly adhere to an approved Sedimentation and Erosion Control Plan.
Best Management Practices will include utilizing siltation trapping ponds and other erosion
control structures where appropriate. Impacts from hazardous materials and other toxins to fish
and aquatic life such as fuels will be avoided by not permitting staging areas to be located near
surface waters.
h) As required by the 401 Water Quality Certification conditions, measures will be taken to prevent
"live" or fresh concrete from coming into contact with waters until the concrete has hardened.
Proposed Compensatory Mitigation - Storm water Management Plan
Buffers measured from the. top of the bank will protect the remaining streams. Where necessary due to
construction conflicts, the minimum buffer shall be 30'. As depicted on the attached plans, the buffer
will be wider than to the extent feasible. A final buffer plan will be provided prior to stream impacts.
Required Mecklenburg County 100' SWIM buffers protect the primary creek. A Storm water Management
Plan will be designed and implemented for the project to meet the 401 Water Quality Certification
requirements. The planners will utilize information and guidelines provided by the North Carolina
Department of Environment, Health, and Natural Resources Water Quality Section in developing this
storm water facility. Storm water will also be treated utilizing existing wetlands and spreading storm
drainage over buffers. As discussed with NCDENR NCDWQ, tail-ditching of storm drainage to creeks
will be avoided.
PROTECTION FROM FUTURE DEVELOPMENT
The preserved wetlands and streams will be protected from future impacts by the applicant or by a group
designated by the applicant for this purpose. Development of these areas will be deed restricted in
accordance with restrictive covenants, which will be developed for approval by the USACE and/or
NCDWQ.
THREATENED AND ENDANGERED SPECIES
Federally listed plant and animal species with endangered or threatened status are protected under the
Endangered Species Act of 1973. The US Fish and Wildlife Service has identified Schweinitz's sunflower
(Helianthus schweinitzii) and the Carolina heelsplitter (Mecklenburg County). Schweinitz's, sunflower
thrives in full sun characteristic of succession fields, margins, and forested openings. Based on a site
reconnaissance, habitat conducive to support the Schweinitz's sunflower is not present in the project area.
The Carolina heelsplitter is a freshwater mussel, which prefers shaded areas either, in a ponded portion of
a small stream or in runs along steep banks with moderate current. Primary habitat is waters less than
three feet deep with a soft mud, muddy sand, or shady gravelly substrate. It is normally restricted to
protected silted areas or under banks especially associated with obstructions such as stumps or fallen trees.
Its current distribution according to the US Fish and Wildlife Service is limited to portions of two streams
-- Goose Creek and Waxhaw Creek -- and a small river originating from rural areas in Union County.
Therefore it is not expected to occur on this site.
Brookmere, Page 5
March 4, 2001
CULTURAL RESOURCES
The project site is disturbed from previous agricultural activities. No structures were found on the site.
The State Historic Preservation Office may review of the USGS maps at the Office of State Archaeology
and the Survey and Planning Office of the North Carolina Department of Cultural Resources to determine
if sites are indicated on the National Historic Register within the study area.
AQUATIC HABITAT
The aquatic systems in the project area consist of tributaries in the Catawba River Basin. A variety of
wildlife is supported by these systems including mammals, birds, reptiles, amphibians, fish, insects,
mollusks, and crustaceans. Therefore strict adherence to an approved erosion and sedimentation control
plan will be maintained during the construction period in order to control degradation of water quality
downstream and protect the areas to be preserved.
CONCLUSION
This project will provide important economic benefits to the region. Based on the value of the
jurisdictional waters and wetlands on this site, the developer has chosen to balance the site's economic
viability with its environmental value and permitability. The goal of the Storm water Treatment and
Mitigation Plan is to help balance the environmental consequences of this development by creating a
beneficial aquatic resource that will help maintain or minimize degradation of waters of the U.S.
downstream of the project and protect the important streams and wetlands, The mitigation sites will be
preserved by the applicant or by a group designated by the owner for this purpose.
Please contact me if you have any questions or require additional explanation. Thank you for your
consideration.
Leonard S. Rindner, PWS
Environmental Planning Consultant
Profession Wetland Scientist
cc: Mr. Tony Gaffey
DEM ID: CORPS ACTION ID:''
NATIONWIDE PERMIT REQUESTED (PROVIDE NATIONWIDE PERMIT #}:? r_
PRE-CONSTRUCTION NOTIFICATION APPLICATION
FOR NATIONWIDE PERMITS THAT REQUIRE:
1) NOTIFICATION TO THE CORPS OF ENGINEERS
2) APPLICATION FOR SECTION 401.CERTIFICATION
3) COORDINATION WITH THE NC DIVISION OF COASTAL MANAGEMENT
SEND THE ORIGINAL AND (1) COPY OF THIS COMPLETED FORM TO THE APPROPRIATE
FIELD OFFICE OF THE CORPS OF ENGINEERS (SEE AGENCY ADDRESSES SR.-LET) . SEVEN
(7) COPIES SHOULD BE SENT-TO THE N.C. DIVISION OF ENVIRONMENTAL MANAGEMENT
(SEE AGENCY ADDRESSES SHEET). PLEASE PRINT.
t _
1. OWNERS NAME:
2. MAILING ADDRESS:
W/ 14. Try voi SAed-,
SUBDIVISION NAME:
STATE:
CITY 1?PG? ZIP CODE:
: , ____
PROJECT LOCATION ADDRESS, INCLUDING SUBDIVISION NAME (IF DIFFERENT FROM
MAILING ADDRESS ABOVr)
r
3. TELEPHONE NUMBER (HOME) : (WORK)
4. ZF APPLICABLE: AGENT'S NAME OR RESPONSIBLE CORPORATE, OFFICIAL, ADDRESS,
Ai?71?7R NTTMRF'R • - __ ___
-roAl &v?44 rc:,V, INS17W
/e?t,??? Plc/ 700 1 4J , te,
5. LOCATION OF WORK (PROVIDE A MAP, PREFERABLY A COPY OF USGS TOPOGRAPHIC
NAP. OR AE I P 0 OG _PHY - WITH SCALE) :
COUNTY:NEAREST TOWN OR CITY: CA
Z
SPECIFIC LOCATION/ (INCLUDE ROAD
NUMBERS, LANDMARKS, ETC.) : a&g /o
6. IMPACTED OR NEAREST STREAM/RIVER: UPAM41(2
RIVER BASIN:
7a. IS PROJECT LOCATED NEAR WATER CLASSIFIED AS TROUT, TIDA?, SALTWATER
(SA), HIGH QUALITY WATERS (HQW), OUTSTANDING RESOURCE WATERS (ORW), WATER
SUPPLY (WS-I OR WS-II)? YES [ ] NO [ ] IF YES, EXPLAIN:
7b. IS THE PROJECT LOCATED WITHIN A NORTH CAROLINA DIVISION OF COAST-ALL
MANAGEMENT AREA OF ENVIRONMENTAL CONCERN (AEC) ? YES [ . ] NO [ ]
7c. IF THE PROJECT IS LOCATED WITHIN A*COASTAL COUNTY (SEE PAGE 7 FOR
LIST OF COASTAL COUNTIES), WHAT IS THE LAND USE PLAN (LUP) DESIGNATION?
Sa. HAVE ANY SECTION 404 PERMITS BEEN PREVIOUSLY REQUESTED FOR USE ON
THIS PROPERTY? YES [ ] NO [---?IF YES, PROVIDE ACTION I.D. NUMBER OF
PREVIOUS PERMIT AND ANY ADDITIONAL INFORMATION (INCLUDE PHOTOCOPY OF 401
CERTIFICATION) :
Sb. ARE ADDITIONAL, PERMIT REQUESTS EXPECTED FOR THIS PROPERTY IN THE .
771TTT"Prl YFs Loor NO f 1 IF YES, DESCRIBE ANTICIPATED WORK:
9b. ESTIMATED TOT1
;NUMBER OF ACRES OF,jWETLANDS LOCATED ON PROJECT SITE:
t-4-700 j + 100

9a. ESTIMATED TOTAL NUMBER OF ACRES IN TRACT OF LAND:
Woo; t
,?a t -mac rn fA lm r "rr? t
10a. NUMBER OF ACRES QF WETLANDS MPACTED BY THE PROPOSED PROJECT BY:
jUt#
`/FILLILJG: ! EXCAVATION: I &f If
FLOODING: OTHER:
DRAINAGE : TOTAL ACRES TO BE IMPACTED : -tOw
10b (1) STREAM CHANNEL TO BE IMPACTED BY THE PROPOSED PROJECT (IF
RELOCATED, PROVIDE DIS .C BOTH BErPRE PJID AFTER RELOCATION)
dIULENGTH BEFORE::tj-j p" 1 '''TER Z-* FT
WIDTH BEFORE (based on normal high water contours): For
WIDTH AFTER: FT
AVERAGE DEPTH BEFORE: AFTER: ® FT
(2) STREAM CHANNEL IMPACTS WILL RISULT FROM: (CHECK ALL THAT APPLY)
OPEN CHANNEL RELOCATION: PLACEMENT OF PIPE. IN CHANNEL:
CF-ANNEL'EXCAVATION: ,C?OyNSTRUCT70N OF A DP-M/FLOODING:
OTHER : ??-?e:d ( 1 ^c ?/? i ? / L S ?LJ1r''?
11. IF CONSTRUCTION OF A POND IS P POSED, WHAT IS THE SI E OF T1"-
WATERSHED D INING TO THE POND? 7na
WHAT IS THE EXPECTED POND'SURF?IE AREA? amrs
12. DESCRIPTION OF PROPOSED WORK
MECHANICAL EQUIPMENT TO BE USED
ONLY)
41
13. PURPOSE OF PROPOSED WORK:
INCLUDING DISCUSSION OF TYPE OF
(ATTACH PLANS: 8 1/2" X 11" DRkWINGS
3
14. STATE REASONS WHY IT IS BELIEVED THAT THIS ACTIVITY MUST BE CARRIED
OUT IN WET f . (INCLUDE ANY MEASURES ?xKEN TO MINIMIZE WETWD
IMPACTS) : tee I?ls1 11?Ot M {Ze i?h?/ A.`??C/C ??'it/?..?
15. YOU ARE REQUIRED TO CONTACT THE U.S. FISH AND WILDLIFE SERVICE
(USFWS) AND/OR NATIONAL MARINE FISHERIES SERVICE (NMFS) (SEE AGENCY
ADDRESSES SHEET) REGARDING THE PRESENCE OF ANY FEDERALLY LISTED OR
PROPOSED FOR LISTING ENDANGERED OR THREATENED SPECIES OR CRITICAL HABITAT
IN THE PERMIT AREA THAT MAY BE AFFECTED BY THE PROPOSED PROJECT. DATE
CONTACTED: (ATTACH RESPONSES
FROM THESE AGENCIES.)
16. YOU ARE REQUIRED TO CONTACT THE STATE HISTORIC PRESERVATION OFFICER
(SHPO) (SEE AGENCY ADDRESSES SHEET) REGARDING THE PRESENCE OF HISTORIC
PROPERTIES IN THE. PERMIT AREA WHICH MAY BE AFFECTED BY THE PROPOSED
PROJECT. DATE CONTACTED: --
17. DOES THE PROJECT INVOLVE AN EXPENDITURE OF PUBLIC FUNDS OR THE USE OF
PUBLIC (STATE) LAND?
YES j] NO i(IF NO, GO TO 18)
a. IF YES, DOES THE PROJECT REQUIRE PREPARATION OF AN ENVIRONMENTAL
DOCUMENT PURSUANT TO THE REQUIREMENTS OF THE NORTH CAROLINA ENVIRONMENTAL
POLICY ACT?
YES [ ] NO [ ]
b. IF YES, HAS THE DOCUMENT BEEN REVIEWED THROUGH THE NORTH CPLROLINA
DEPARTMENT OF ADMINISTRATION STATE CLEARINGHOUSE?
YES [I NO [ ]
IF ANSWER TO 17b IS YES, THEN SUBMIT APPROPRIATE DOCUMENTATION FROM THE
STATE CLEARINGHOUSE TO DIVISION OF ENVIRONMENTAL MANAGEMENT REGARDING
COMPLIANCE WITH THE NORTH CAROLINA ENVIRONMENTAL POLICY ACT.
QUESTIONS REGARDING THE STATE CLEARINGHOUSE REVIEW PROCESS SHOULD Ba
DIRECTED TO MS. CHRYS BAGGETT, DIRECTOR STATE CLEARINGHOUSE, NORTH
CAROLINA DEPARTMENT OF ADMINISTRATION, 116 WEST JONES STREET, RALEIGH,
NORTH CAROLINA 27603-8003, TELEPHONE [phone].
4
18. THE FOLLOWING ITEMS SHOULD BE INCLUDED WITH THIS APPLICATION IF
PROPOSED ACTIVITY INVOLVES THE DISCHARGE OF EXCAVATED OR FILL MATERIAL
INTO WETLANDS:
- a. WETLAND DELINEATION MAP SHOWING ALL WETLANDS, STREAMS, LAKES
AND PONDS ON THE PROPERTY (FOR NATIONWIDE PERMIT NUMBERS 14, 18, 21, 26,
29, AND 38). ALL-STREAMS (INTERMITTENT AND PERMANENT) ON THE PROPERTY
MUST BE SHOWN ON THE MAP. MAP SCALES SHOULD BE 1 INCH EQUALS 50 FEET OR I_
INCH EQUALS 100 FEET OR THEIR EQUIVALENT.
b. IF AVAILABLE, REPRESENTATIVE PHOTOGRAPH OF WETLANDS TO BE
IMPACTED BY PROJECT.
C. IF DELINEATION WAS PERFORMED BY A CONSULTANT, INCLUDE ALL DATA
SHEETS RELEVANT TO THE PLACEMENT OF THE DELINEATION LINE.
d. ATTACH A COPY OF THE STORMWATER MANAGEMENT PLAN IF REQUIRED.
e. WHAT IS LAND USE OF SURROUNDING PROPERTY?
g. SIGNED AND DATED AGENT AUTHORIZATION, LETTER, IF APPLICABLE.
NOTE: WETLANDS OR WATERS OF THE U.S. MAY NOT BE IMPACTED PRIOR TO:
1) ISSUANCE OF A SECTION 404 CORPS OF ENGINEERS PERMIT,
2) EITHER THE ISSUANCE OR WAIVER OF A 401 DIVISION OF
ENVIRONMENTAL MANAGEMENT (WATER QUALITY) CERTIFICATION, AND
3) UN TIM TWENTY COASTAL COUNTIES ONLY) , A LETTER FROM `SHE
NORTH CAROLINA DIVISION OF COASTAL MANAGEMENT STATING THE PROPOSED
ACTIVITY IS CONSISTENT WITH THE NORTH CAROLINA COASTAL MANAGEMENT
PROGRAM.

6 ER'S/AGENT'S &GNA7URE
(AGENT'S SIGNATUR VALID ONLY
IF AUTHORIZATION LETTER FROM
THE OWNER IS PROVIDED (18g.))
DATE
5
f. IF APPLICABLE, WHAT IS PROPOSED METHOD OF SEWAGE DISPOSAL? -

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LEONARD S. RINDNER. PWS
Environmental Planning Consultant 3714 Spokeshave Lane
Professional Wetland Scientist Matthews, NC 28105
Land Planning. Tele: [phone]
Fax [phone]
October 22, 2000
Mr. Tony Gaffey
INSITE Engineering, PLLC
201 N. Tryon Street, Suite 2670
Charlotte, N.C. 28202
Re: Brookmere - licit. HollylHuntersville Road, Charlotte, NC.
Dear Tony:
I visited the proposed project site to conduct a wetland and stream determination and delineation as
requested. An area is determined to be a wetland when it exhibits Hydric Soil, Hydrophytic Vegetation,
and Wetland Hydrology characteristics. These characteristics are required to be in accordance with the
definitions in the U.S. Army Corps Wetland Delineation Manual, 1987. Areas, which exhibit these three
characteristics, are identified as a wetland and permits may be required for development activities within
these areas. Surface waters such as perennial and intermittent creeks are also subject to Section 404 of the
Clean Water Act.
Wetland Survey
The delineation should now be surveyed to verify the extents, however, there may be modifications
(usually minor, if any) based on USACE verification. These areas are approximately indicated on the
attached map, however this map should not be used as an accurate representation of wetland and stream
extents. A survey would determine the actual extents more accurately and clarify the regulatory issues and
potential mitigation conditions if necessary. The attached map is for illustrative purposes only. A survey is
required for the USACE to make a final jurisdictional determination on the property.
The flags used to define the wetlands are yellow and blue tied together numbered sequentially as roughly
depicted on the attached map. A slash (/) next to the number indicates a connection. All notes on the flags
should be recorded. The point numbers must appear on the survey in a clear and legible manner. Once the
preliminary survey is conducted it will need to be reviewed by me to make sure that the connections are as
intended. Additional site visits and coordination with the surveyor may be required if areas need to be
extended to meet the property lines. The flag numbers must be on the map and legible. The centerline of
all streams must be surveyed with approximate width identified. The map will need to be produced based
on the following requirements.
1_ Metes and bounds tied to a property corner or other known point or listing of the northings and
eastings (NC Coordinate Grid).
2. Location of each point identified to be included on the map.
3. Property lines of the entire property or parcel. Floodplains limits and contours should be included
on the map, if possible. The map should also include locally required stream buffers, if required.
Brookmere, Page 2
October 22, 2000
4. Wetland boundaries should be closed into distinct polygons. Acreage should be indicated for each
polygon. It is helpful to have the polygons identified (i.e. Area "A", etc.). Surface waters such as
perennial and intermittent channels should also be identified calculated in acreage and linear
feet. The areas should then be listed in a table and totaled.
5. The map should have a vicinity map, north arrow, and scale, project name property owner and/or
developer including name, address, telephone number, and size of tract.
6. The surveyor must seal the survey.
7. The following note needs to be shown on the map for the USACE to sign:
Wetland Certification
This certifies that this copy of this plat accurately depicts the boundary of jurisdiction of Section 404 of
. the Clean Water Act as determined by the undersigned on this date. Unless there is a change in the law of
our published regulations this determination of Section 404 jurisdiction may be relied upon for a period
not to exceed five (5) years from this date. This determination was made utilizing the 1987 Corps of
Engineers Wetland Delineation Manual.
Name: -
(signed by U.S. Army Corps of Engineers)
Title:
Date:
I would like to review the plan before it is finalized. Once complete I will need a sealed mylar and
three sealed prints to forward to the USACE with supporting documentation.
Please let me know if you have any questions or require further explanation.
Thanks.
Sincerely,
Ord S. Rindner, PWS
-rental Planning Consultant
101555,
< S ;? `?\, ?' `' { ? fib' ?/ ?_? ? .?w? ??av?-_ ?? a ?• •. ,?-?;
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FAX TRANSMITTAL
DATE: February 28, 2001
TO: Lin Rindner
FROM Scott C. Doerr
RE: Cmud sewer line along creek # OF PAGES 2
(INCLUDING COVER SHEET)
Lyn,
Here is a plot of the severer trunk line Cmud is going to build as it passes through our site.
Cmud is building this line as part of the Catawba River trunk line. Let me know if you
need any additional plots, or blowups.
201 N. Tryon Street, Suite 2670 # Charlotte, Noah Carolina 28202
Phone: [phone] Fax: [phone]
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CONSTRUCTION SEQUENCE 7. STABILIZE SITE AS AREAS ARE BROUGHT TO FINAL { EROSION CONTROL NOTES T TO FINAL GRADE. SEEDBED PREPARATION NOTES: ~ n
" i TAIN GRADING/EROSION CONTROL PLAN APPROVAL FROM THE CITY 8. ALL EROSION CONTROL MEASURES SHALL BE CONSTRI i. SURFACE WATER CONTROL', MEASURES TO BE INSTALLED ACCORDING L BE CONSTRUCTED IN
i, ALL "STD. NUMBERS REFER TO THE CHARLOTTE/MECKLENBURG LANO OB MANUAL. OF CHARLOTTE ENGINEERING DEPARTMENT. ACCORDANCE WITH THE NC EROSION AND SEDIMENT CONT :DIMENT CONTROL PLANNING TO PLAN
DEVELOPMENT STANDARDS AND OESIGN MANUAL, US DEPT. OF AGRICULTURE, US SO I N RVATION 0 .TURF, US SO L CO SE
2. SET UP AN ON-SITE PRECONSTRUCTION CONFERENCE WITH EROSION SERVICE, CITY OF CHARLOTTE EROSION CONTROL ORDIN~ 2, TOTAL DISTURBED AREA 45.38 AC SHALL BE RIPPED AND SPREAD WITH AVAILABLE ~ ~ Z VTROL ORDINANCE, AND THE 2. AREAS TO BE SEEDED Pb " ; a ~ (ENT, TOPSOIL 3" DEEP. TOTAL SEEDBED PREPARED DEPTH SHALL BE 4 TO Q m z ~
CONTROL INSPECTOR OF THE CITY ENGINEERING DEPARTMENT (PH. 336-4528) CITY OF CHARLOTTE ENGINEERING DEPARTMENT, 6" DEEP. ~ W ~ Z w
3.a. GRADING & CONSTRUCTION ACTIVITIES ARE TO BE PHASED SUCH THAT TO OiSCUSS EROSION CONTROL MEASURES, FAILURE TO SCHEDULE SUCH 2 U ~wi 3 ~ VD CONTINUOUSLY MAINTAIN ALL ~ ~ W a o ~ _
MAXIMiZED AND REMAIN IN PLACE FOR AS LONG CONFERENCE 48 HOURS PRIOR TO ANY LAND DISTURBING ACTIVITY IS A 9. THE CONTRACTOR SHALL DILIGENTLY AND CONTINUO) THE SEDIMENT BASINS ARE TION IT IS THE RESPONSIBILITY OF THE VIOLATION OF CHAPTER 16 OF THE CITY CODE AND IS SUBJECT TO FINE. EROSION CONTROL DEVICES AND STRUCTURES TO MIN1M1 ES TO MINIMIZE EROSION. THE 3. LOOSE ROCKS, ROOTS AN~ OTHER OBSTRUCTIONS SHALL BE REMOUED a ~ U ~ d o ~
AS POSSIBLE. DURING CONSTRUC , TALL ADDITIONAL DIVERSIONS AS NECESSARY T4 CONVEY CONTRACTOR SHALL MAINTAIN CLOSE CONTACT WITH THI CONTRACTOR TO INS ACT WITH THE CITY OF FROM THE SURFACE SO T AT THEY WILL NOT INTERFERE WITH ESTABLISH-
IN , 3. INSTALL SEDIMENT TRAPS, DIVERSION DITCHES, SILT FENCE, INLET PROTECTION, CHARLOTTE EROSION INSPECTOR SO THAT PERIODIC INS ALL POSSIBLE RUNOFF INTO THE BAS S 'ERiODiC INSPECTIONS CAN BE MENT AND MAINTENANCE F VEGETATION. SURFACE FOR FINAL SEEDBED ~o,,~
IN i TO BE REMOVED TREE PROTECTION, AND OTHER MEASURES AS SHOWN ON PLANS, CLEARING ONLY PERFORMED AT APPROPRIATE STAGES OF CONSTRUCTION b. NO SEDIMENT BAS S ONSTRUCTION. PREPARATION, AT FINISHIGRADES SHOWN, SHALL BE REASONABLY SMOOTH ~ 'y : ~ AND UNIFORM. ,•~ti ~ b~
UNTIL THE ENTIRE CONTRIBUTING DRAINAGE AREA HAS BEEN STABILIZED AND THE AS NECESSARY TO INSTALL THESE DEVICES. A TIN AS ~ o~ b • JT DRAINAGE BASINS C G
IVEN HIS APPROVAL. 10. ALL SEDIMENT DEPOSITED IN PERMANENT DRAINAGE INSPECTOR HAS G 4. CALL 336-2291 FOR ON-SITE INSPECTION BY ENGINEERING INSPECTOR. SEDIMENT TRAPS DURING CONSTRUCTION MUST BE REMO UST BE REMOVED BEFORE 3. I F NO S01 L TEST I S TAK N, FERTILIZER AND L 1 ME TO BE ACCORDING TO ~ : ~ Z = ~
4 ANY EXISTING STRUCTURES ARE TO BE DEMOLISHED AND DISPOSED OF WHEN APPROVED, ENGINEERING INSPECTOR ISSUES THE GRADING PERMIT. NORMAL OPERATION OF BASINS. SEEDING SPECIFICATION , ON PLAN. N s
ACCORDING TO MECKLENBURG COUNTY STANDARDS AND SPECIFICATIONS. BEGIN CLEARING AND GRUBBING AFTER PERMIT ISSUANCE. ~ b': T IS TAKEN ~ROVIDE LIME AND FERTILIZER ACCORDING TO 'sd ~ 5. IF SOIL TES ,~0
SOIL TEST REPORT.
5. CONTRACTOR SHALL INSTALL SEDIMENT CONTROL FENCE, SEDIMENT BASINS, 5. MAINTAIN EROSION CONTROL DEVICES AS NEEDED.
AND TEMPORARY DIVERSION DITCHES PRIOR TO CLEARING OPERATIONS. DURING CUT/FILL OPERATIONS, THE CONTRACTOR SHALL RE-ESTABLISH DEVICES AS 6. FOR PHASED EROSION CONTROL PLANS, CONTRACTOR SHALL MEET WITH 6. LIME AND FERT 1 L I ZER SHALL BE APPLIED UNIFORMLY AND MIXED WITH
REQUIRED. ALL CONTROL DEVICES SHALL BE IN PLACE AT THE ENO OF EACH EROSION CONTROL INSPECTOR PRIOR TO COMMENCING WITH EACH PHASE THE SOIL DURING SEEDBEp PREPARATION.
WORKDAY. OF EROSION CONTROL MEASURES.lA MEETING SHOULD OCCUR BEFORE SEEDING SPECIFICATIONS:
SEDIMENT TRAPS ARE REMOVED.)
6. ON-SITE BURIAL PITS REQUIRE AN ON-SITE DEMOLITION LANDFILL PERMIT FROM THE ZONING ADMINISTRATOR. GRASS KENTUCK FESCUE #31 80 LB/AC (MAR. THRU OCT,)
{ADD 30LB/AC RYE RAIN TO THE PRESCRIBED FESCUE -NOV. THRU FEB.) ~
7. ANY GRADING BEYOND THE DENUDED LIMITS SHOWN ON THE PLAN IS 10-10-10 1000 LB/AC `i W FERTILIZER ~ ~
A VIOLATION OF THE COUNTY EROSION CONTROL ORDINANCE AND IS 0-20-0 ' 509LB/AC ~ o LIME ' 2T/AC z Q ~
SUBJECT TO A FINE. MULCH SMALL GI~A I N 1 <T/AC o ~
EMULSIFIED TACK 225 GAL/AC
8. GRADING MORE THAN ONE ACRE WITHOUT AN APPROVED EROSION CONTROL PLAN IS A VIOLATION OF THE CITY/COUNTY EROSION CONTROL PERMANENT aASIN No.2 sHALL , I w w ~ ~ a
ORDINANCE AND IS SUBJECT TO A FINE. BE USED AS SEDIMENT TRAP \ ' I 0 I W
DURING CONSTRUCTION ~ f' r'/~ N zr f ( ~ ~ ~ I w
NT TEMPORARY . ~s~E eRwINC ANO DRNN~GE- 'v ~ ~ ` ~ ` . 9. STABILIZATION IS THE BEST FORM OF EROSION CO ROL, ' ~ ' ; , q ` ` - - ~ \ ~ t PLAN FOR POND Gf2ADING). ~ ~ ~ v ~ , ~ t ~ ~ ~ ~ / ?
SEEDING IS NECESSARY TO ACHIEVE EROSION CONTROL ON LARGE DENUDED - ~ - _ ~ , A T F THE - _ _ ° INt!ERT 629.b t ` ~ ~ ~ . ~ s , AREAS AND ESPECIALLY WHEN SPECIFICALLY REQU 1 RED AS P R 0 ~ ~ ~ /
` _ ~ _ .RISER, CREST 636.7 ~ t ~ ~ \ ' \ t\ X~`'~ I P AN. ALL GRADED SLOPES MUST A~~~ ~ . ~ , ; ~ , ' ~ CONSTRUCTION SEQUENCE SHOWN ON THE L - ~ , , , r- TOQ.dF QAM`; 641.0 ~ \v ~ ~ . \ ~ k' X ~ h1 ~ ~ ~ \ ~ ~ Q a
WITHIN 15 DAYS OF COMPLETION Of GRAD 1 NG. _ . y 4~. - ; - - ~ ~ , \ ~ s BE SEEDED AND MULCHED _ ~ ~ - R~QIRED~, 6ltAf~`,- 5$80 ';CF ~ ~ ~ , 1. ` o
H D W I TH IN 30 DAYS. a ` ~ ~ ~ k~' ALL REMAINING AREAS ARE TO BE SEEDED AND MULC E -PRVauDED s RA~ 675 CF ~ a m a~~ n . ~ ~ _ ` \
v f - sir + r , \ ~ ~ ti TA I I USING NORTH _ 1 ~ ` / ; ~ - - y 1 10. ALL SLOPES MEASURING 3:1 OR STEEPER ARE TO BE S B L ZED
N EROS) ON CONTROL MAT (OR APPROVED EQUAU. ALL ~ , ~ , r .n ~ a ,y~ ~ ~ _ , AMERICAN GREEN S75B - ~ ,rte 6
I NSTALLEO PER MANUFACTURER SPEC I F )CAT I DNS. - ~ . - SEDIMENT `TRAP 5 ; ` ' ' - " EROSION CO _ t _ ~ NTROL MAT IS TO BE _ r4STD. N~3b..Op) ~ I k ~ ~ ~ r ~ ` / ~l R , N
11. ADDITIONAL MEASURES TO CONTROL EROSION AND SEDIMENT MAY BE _ SPAL1!lA~f' ~R~`sT ~ r'~ t ~ ~ y ~m ~ " ~ i PARTMENT. . l , . \ - - r r. ~ , - ~ i~ E
REQUIRED BY A REPRESENTAT i VE OF THE CITY/COUNTY ENGINEERING OE ToP F'DAlvf •.,63..5:0 ~ ~ ; ~ , l - _ ,
i _ J r / / 1 Y 12. SLOPES SHALL BE GRADED NO STEEPER THAN 2:1. ~ ~ ,rte . , ' , ?y _ .1 't ~ ti;,~, ~ , U
PROV ~Ot ~ 7 ~ ~ 1 ~ ~ 4p , ~ ~ l 1 ~ i i ~ ~ ` t ~ W l r ~ \ A ~ ~ ~ - ~ ' . ~
AN MUST BE SUBMITTED FOR ANY LOT GRADING EXCEEDING ONE (SEE ERbSlt~t`CONl~NOj~ ~~;;,i , ; , ; , / ~ , - ~ 13. A GRADING PL ~ , ~ ~ i e-~ kr : / A IN PLAN. ~ ~,1 ; :I~ J ~ 1 r , ~ , _ ~ ( \
ACRE WHICH WAS NOT INCLUDED iN A PREVIOUSLY APPROVED GR 0 G _ . ; , ; ~ ; ~ Ty,~,t ~ ~ 4 t~ ,rte` 'a ti~ ~ 1 1 ! i 1r ~ ~ ~ J
HALL BE CONSTRUCTED I N ACCORDANCE ~ r'` ` ~ ~ , ~ ~ , : ~ > a~._ 14, ALL SEDIMENT & EROSION CONTROL DEVICES S ~,.i ~
HARLOTTE-MECKLENBURG LAND DEVELOPMENT ~ ~ , WITH THE GUIDELINES SET FORTH iN THE C \ ~ .t ~ ~ , \ ~ '
; S , yr ~ # , ~ ~ ~i~ 1, l`i' / i A~
~ ~ _ i _ > , it Y 7 ' r 's, ,,;3' r r r E, 1 ~ ~ ~r ~ 7 J' the , ~ r ~ _ _ t Ir ~ ~ \ ` ` ~ ~ ~i-' ' _ ~ to ~V ~ ~ ~ ~ ~ A \ ~ ? _ ~ t0
r r t ~ ` yam-""i ~ I rL sT~. ~ _ tel. ~ ~ V ~ N
ti w . ~ - . ~
e a f ~ 8 ~ ; , \ 1 j r " ~ c` y~ ~ f 'y i~ ~ . 041` i` / } j `I i'`•- , ~ t ~ V -
~ w. .bt. 1, ~ ~ t \ ~ ~ 1 ~ / F 't i gg I i { ; ~ ~ t r~4,.i`~i 4~' ~ ~ ~ f ~5 3~ ~ it ,4 ~ c - d ~ ' ~ ~ ~ A,- ',,r i i Pp4 "t"om ~ ~ •:ti \ ~ w U N ~ ~ a R i i ~ ^ ~ . ~ ~ , , , ; LL . ~ ~ ,
, it`. i - s ~ _T" - } + t t~ S~~"e~ t,.~ ~kr T•'V~, b ~i , p, s - ~ / `f • r -w~ `
a ; ~ ~ , . ~ ~ ~ ' O't;'_ ~ ~ , ~ ~ ,1.,,~„~ ~ f~ ~ ~ ~ a~-+ f ~5~ ~-r
, E,~....u- - . ~ i ~ 1 r ~ ~ \ , ~ ~ . n~ _ A ~V,. . ,.a i ~ J , • ; ~ a ~ _ ~ ~ f ,'mac a~qi, ~ / `y.x~ .•Y, ~ r
r „A , } y ~ ~ ~ ~ . L-
r , , , ' d 1 7 . / s F I !
i ° f , o ~ ' ~ I ENT TRAP ~ 4 ,'1 ` ~ `r, ~ A < ~ ~ ~ ~ ' SEd1M6'~i,IT, i~~AP 3 , ~ SED.M a ~ , a ' ~ . , ~ r' r ~ ~ % . ~a.~ ~ ''~4U ~ ~ „ "a, i ~
~ ~ rT . N 36.02) ` ti. ~ 1 ~ (~TDk obi ~ ~ ~ , - .F ~ ; _ , i / ~ ; ~
INV T 68:4 / I s : ~ ; \ \ . ~ ~i,' 4fl.0 , ~ , SRILLV~AY? CREST 627.0. r 1 v ~ A E ~ ,f , • l
$~ILIWAY' CRE,S7 ~ - _ - j ~ I' i ~ s. ~ TOP OF DAN' 6 .0 ~ ~ ~ ~ . i TOR_OF, bAM 7 f ,
;SPILL AYE WJDTN ' 1 ~ % \ ~ I .SPI~.LWAY'~~QiT ; • 10. ~ W - ~ ~ r 1 , t : / ' i , of ,P yHJ' Ott ~ ~ i Y t 1 CF E ~ h~~~- . ' c i' ~ i, r ~ _ Z
STOR `.48 4,`CF ~ REQUIRED STORAGE 119 6 ~ ~ ' , a~ ~ RE-Qt11RED i~GE a + : , ~ \ i ~ € , f. r~ I TORAGE . 1,4135 CF' s ~ ,s~~ ~ ~`a ~ r' _ ~ F~ P~ou ~E~ s ; ~.l ' 'PROVIDED,,-STORAGE C ' ~ . ~ . i ~ t # ~ ~ i f - x °~~`~r'' ~%"7 i l.. 1 \ r `I y i , 2 /
_ ; 5101 C TRO 'NOTE 3) ~ r ~ ~ ~ ~ ~ 1 i;, us f~UTE" 1 ~ '`t'S~E`'t~4 ~ ~ n~ ~ fia o t (SEE,.ERISSION CON'Ti~01. , f' s r . ~ f , ~ , } I ~ r,1.,.,,°Ai..., ' ` I ' r' ' Vim. ~ N
- r , ~ , ~ , _ 4 v.
: ~ ~ ~ - e ~ .1 - !4 Af
~ ~ f ; ( t( ~S, 1 1~ ~ ~ ~ ~ :fir r^~ ~ r ~ ems. 7;. ~ ~a
, , • , . i , 'l ~ r ~~:~..~f , ~ , 3 : I ~ ~ ~ LEGEND
' / C..i- to°' r i ! ~ / ~ r \ 1. ~ - l` ~i ~ t~7 ' ~ _ 1 ~'r ~ ~ I i ~ . '1 11~, ,'A ; ~``\V V ' ~ f i 1 . t t /.Fly, t / ~ A . ~ ~ ~r ~ ;i~ 1 ~ n:,J~ is
. ~ r'i', i ~ ~ ` / `a ~ ~ ~ /R~ X ` i ~ \ f t ~ f r'~ JA'. ~ 'V ~ ~ `i, ~ r ~ ( u,. ~ ~ ~
r ~ , s . v f"° - ~ f ~ 1 ~ ~ I ~ ~ - - - - - DRAINAGE AREA BOUNDARY , , ,p: I ,~r; ~ ~ ~ 1
t , V / r - ~ 8j l ~ r • ~ ~ ~ - tl t ~ .~_~r fly' ~.,;°'Y'~ ~'s/Y ~ , A,. `J'~' ~ ? /'/ray r - ,n ` r r ~ "l~ ~`i J ~ ~ ~ ~ f ~ ~ ~ ~
/ R, ' , - - r ~ is v~ ~ ~.fj'a~ i ~ Y \ R ~ i ' 1 - 1 ~f ; ~ ~ ; ~ , . , t ~ ~ , - X ~ ORANGE FABRIC FENCING ~
i ~ 1 i ! ~ ~t i~ / j ~ ~ - , / , I ~ , ~ ~ f ' ' ~ - ~ ~ TD ~ ~ TEMPORARY CLEAN WATER DITCH
` /f ~ 1 `1 ,+s.~,. l ! 1 v'. . j i tr JAA~ i t"~.M' f / ~ 1 3 i , E € : ~ ~ r `may, / / ~Y r'. iV " ~"Y,... ,p'~p y ~ it ~ ~ ~ -r,~pi ~ V V ~R. i r..~_. , w, ' ~ r ~ , ~ , . (STABILIZE IMMEDIATELY)
, ~ , , _ - _ r
r ~ ~ ~ ~ - f 111.. M~` ~ ~ i ~ ;4 v Z M .f ~ - / E- I i
/ ! I. 's, % ; -t--;~~-" " ~ ~ ~ SEDIMENT CONTROL FENCE W I~' t .,-r,- f C~ ~
- f. ~iy ;z ? _ x I ,1 ,~J ~ •~t~ , , 1
! ~ , ~ ~ ~ I ~ ~ ~ ~ ~ ~ ; ~ ~ f ~ ~ ` ` ~P STONE INLET SEDIMENT TRAP ~ ~ r i E t . ~ ~ l l 1 z ,
t I ~ n, i .,_,N 1 / i ~ ~ ~ I ~t t - ~ ? ! w. ~ i i ' ~ TSD ~ ; r~.,; ~ ~ , ; ; ~ - TEMPORARY SILT DITCH ~ W
I ~ ~ _r ~ J
~j I .k'' ' - 1 ~ i ~~+t. / ~ ' ' ~'I + I ~ TEMPORARY PIPE (8 HDPE)
. r ~ _ ` t ,r / ~ , j STABILIZED CONSTRUCTION ENTRANCE _ ~ 1 ,'~r L
r ~ ~ ~ tr ~J i J
~ , • I t , ~ ~ , ~ Z I ~ r-;,. < ; ~ ~-~6-~-- LIMITS OF CONSTRUCTION
f ~ //~1 ~ f a /irk, j /'%1 t` . ~ l ~ : i~ ~ j~ ~ ~r
t t - t ~ ~ ~ t = t, Z ll.r~` ~ I ~ ~ ~ ~ ; • ! ) 65Q EXISTING CONTOURS -......t` ~ I % ~ sir ~ ~ ~ ~ ~ • r ~ ~ ~ f': /
r i ~ ~ - iii , i >h ~ f/t ~ r ~ / F.A 1 / i d . ' t J~;
' d x' / " yr i 1 l s k~~! ~ ~ ' 1 , 1 ~ ~ lit ~ , -65Q- r : ~ ! ~ ~ ; ~ ~G ; l ' ; ; l ~ , PROPOSED CONTOURS I i ~ ~ i j
~ r ~ .w~ ~ r t J mom. / P AP
~ d' ~ 4 „>9 ~ , - / / lr, a:, J ~ W ,i + ir.~ 1 a~'r"" n, i~ ~ i gyn. _ , 7 d rat ~ , : , & r; R RI RAP RON j I % r
~ ~ / a r P l ~ ~ ~ i 1 TEMPORARY SLOPE DRAIN
J ` r` ~r~ 3 1~ i ~ y l 1, ~ 1 ` i r f ~ C.~;.x' ` i h° r' ~,l' r k' y ' 1 ~ i • ~ r,
F . t / r _ r xi ~ ~~a('t''~.`;~ °"r` s /f'~' ~ ~ ~k!~ _;,.r~ 1 ~ r° r ~,a„~~-,, tt f~i - : ! ~ , ' tr' " _ v ~ ~ ~i. ~ ~ / ~ , - J ~ ~ TEMPORARY ROCK CHECK DAM
t N ij ~ ~ ~ ' w ~ d r A ~ 9~ t i ! N iy tie I ~ h ' 1 7` t ) ~ ~ ( ' ~ r W ~ p ~ ~ I
r ; \ .i' .i i ~ :`a~ ~Y. Irr-, r/ 1 i 'a'''.. `y ' ~1 ~ 1 ~ ~ t 1: ~ ~ _ cC X \ ^ `P° r s` ° , . t \'l' !r. %l ~i ~ L7 •,1 ~ E.. r ! °"r ' I f ~ 1 - w ~ j ~ r ~ I 1 ~ ; a y ~ ~ ~ ~ ~ ~ , , 1 GRAVEL & RIP RAP SEDIMENT BASIN << 1. R ~ ~ ~ ~ ~ , t'
7 . ' - .f - - i t ~ r' r r' i} ~ ,.F....._..., q /J`rJ,' ~l\ 1~. 1 Ii t., v~ f \ ,
. ,sf t a. _ y., .,M a , J \ f- t ~ - ~ 1 ~ . r ! . i ~ ~ ~ ~ 1 1 ~ V) N
r d' r l ~
/ ~ ~ r ,
~ ~ ~ w^ a A x ~ n o ~ " ~ T
-i ~i r ~ _
~r;''~ * . O ~

~ , it ~ r
fi~.,. i a..rt_a ~ Ss3 w
I`
/i i, v iRti a.
t
.;i~ ASE GRAPHIC
- 60 SCALE- T'
Az,

b a ~ ~ y ~ y Q z a e-
~ ~ ~
W (6' MIN.) ° ~ O y~ 0 00
F_-QW m ~
TOP OF BERM 2' MIN. 1' FREEBOARD (MIN.) i
w
DESIGN HIGH WATER 1' MIN. ~ z F
SPILLWAY CREST GENERAL NOTES z m z ~
1. AREA UNDER EMBANKMENT SHALL BE CLEARED, GRUBBED, AND STRIPPED OF SEDIMENT STORAGE 1'MAX. THE POOL AREA SHALL BE CLEARED. ~ ~ W STRIPPED OF ANY VEGETATION AND ROOT MAT. z Y w w z lJJ
~ v W 4 0 Q =
MAXIMUM LEVEL OF SEDIMENT CLEAN OUT `,)TAKE 12" "5 WASHED STONE 2 8' M~• 2. THE FILL MATERIAL FOR THE EMBANKMENT SHALL BE FREE OF ROOTS OR C o ~ ~ ~ a o Cn )F ROOTS OR OTHER WOODY VEGETATION AS WELL OBJECTIONABLE MATERIAL. THE EMBANKMENT SHALL
COLLECTED (CLEAN BASIN OUT H ~ 1 AS OVERSIZED STONES, ROCKS, ORGANIC MATERIAL OR OTHER OBJECTIONABL WHEN THIS LEVEL REACHED) Z BE COMPACTED BY TRAVERSING WITH EQUIPMENT WHILE BEING CONSTRUCTE 1G CONSTRUCTED. SPILLWAYS SHOULD NOT BE '"'o,~~
CONSTRUCTED THROUGH FILL SECTIONS. Z/2 s " yb,, ,
3. SEDIMENT SHALL BE REMOVED AND TRAP RESTORED TO ITS ORIGINAL DIMEN ORIGINAL DIMENSIONS WHEN THE SEDIMENT HAS ACCUMULATED ~ O~ P b c9 ' ~
TO ONE-HALF THE DESIGN DEPTH OF THE TRAP. REMOVED SEDIMENT SHALL >EDIMENT SHALL BE DEPOSITED IN A SUITABLE AREA IN SUCH FILL SLOPE ~ 4, ~ M • ~ ~
A MANNER THAT IT WILL NOT ERODE. RIP RAP
4. THE TRAP SHALL BE INSPECTED AFTER EACH RAIN AND REPAIRS MADE AS P ~ SECTION THROUGH BASIN AND FILTER 5. CONSTRUCTION OPERATION SHALL BE CARRI OUT IN H N R THA~ 41RS MADE AS NECESSARY. ;y~, N~~'y: ~
p~ 6 ED SUC A MAN E b ~ A MANNER THAT EROSION AND WATER POLLUTION IS MINIMIZED. P,~a~
SIN (SEE STD. N0. 30.03 FOR GENERAL NOTES) 6. ALL CUT AND FILL SLOPES SHALL BE 2~1OR FLATTER. 2' MIN nui•'~
F 7. IF SEDIMENT BASIN IS IN USE 30 DAYS OR LONGER, EMBANKMENTS SHOULD BENTS SHOULD BE SEEDED OR OTHERWISE PROPERLY STABILIZED. COMPACTED BERM
COW 8. STORAGE AREA IS SHOWN AS RECTANGULAR FOR ILLUSTRATIVE PURPOSES C JE PURPOSES ONLY, AND MAY BE CONSTRUCTED IN ANY SHAPE NIN/SH GR ATUR~ ~E
PROVIDED THE MINIMUM 1 STORAGE VOLUME REQUIREMENT IS MET. THE BASIN x ET. THE BASIN SHOULD ALSO BE ORIENTED SUCH THAT THE OUND
/ ~ FILTER AND THE MAIN FLOW OF WATER AND SEDIMENT ARE ON OPPOSITE E ON OPPOSITE ENDS ON THE LONGER BASIN DIMENSIONS.
OW ~ SILT FENCE F~ ~ x 9. REQUIRED STORAGE IS 1800 CUBIC FEET OF STORAGE VOLUME PER DENUDEI dE PER DENUDED ACRE. RECOMMENDED STORAGE IS 1800 CUBIC
3 FEET OF STORAGE PER ACRE OF DRAINAGE AREA. ~ ~ ~ CARRY RIP RAP UP L (10' MIN.) CLASS 1 OR 2 N
3 ~ X SIDES OF SPILLWAY-~ RIP RAP 10. THE LENGTH OF THE STONE OUTLET (SPILLWAY) IS TO BE BASED ON A 10 RIP RAP APRON ~ IASED ON A 10 YEAR STORM. - m z Y w
EARTH ~ " x 11. WHENEVER TOPOGRAPHY ALL WS TH A I BERM 0 E B S N LENGTH SHOULD BE TWICE (2X BE TWICE (2X) THE BASIN WIDTH, TO ALLOW FOR SETTLING. BAFFLES NApU Q ~
6 SEE BASIN SECTION ABOVE SHOULD BE PROVIDED IN THE BASIN WHERE THE LENGTH IS LESS THAN TWh LESS THAN TWICE THE WIDTH. WIDTH AND Rq(G cn ~ ~ DEPTH TO BE DESIGNED RDUND z ¢ U
12. CLEANOUT STAKES SHALL BE PLACED IN ALL SEDIMENT BASINS AT THE LOVu OTC SHOWING THE HALF FULL) CLEANOUT POINT OF THE BASIN. er o~ , VS AT THE LOW POINT IN THE BASIN. THE STAKES SHALL BE MARKED BY ENGINEER (P MIN) ~ fn U
ray W w
~c "5 WASHED STONE 13. SAFETY FENCING 3' HIGH SHOULD BE PLACED AROUND ALL SEDIMENT BASINS `DIMENT BASINS. ~ a
~x~x/ H 14. FOR DESIGN OF RISER TYPE SEDIMENT BASINS REFER TO TH N RTH CAROL SILT FENCE E 0 HEALTH. AND NATURAL RESOURCES EROSION AND SEDIMENT CONTROL PLANNII E NORTH CAROLINA DEPARTMENT OF ENVIRONMENT, NOTE m ONTROL PLANNING AND DESIGN MANUAL.
RIP RAP APRON TO CONTINUE - > 1. DITCH SHOULD HAVE LONGITUDINAL SLOPE OF 1Y. w
TO LIMITS OF DISTURBED AREA
w o Q
X (7' MIND O m 0
Z ~ N M a~~ n
ELEVATION OF BERM AND FILTER
DATA BLOCK N O
SEDIMENT SEDIMENT BASIN NO. X L H Z W STORAGE STORAGE N
REQUIRED PROVIDED N
3 7' 10' S' 4' 10' 6840 1CF17181 (CF) ' U
4 11' 14' 5' 4' 10' 5580 (CF) 5673 (CF) UZ
~ ~W
~o
J
REVISIONS REVISIONS `r~ V / ~ _ d Q REVISIONS ~ _
NO. DATE DESCRIPTION NO. DATE DESCRIPTION U NO. DATE DESCRIPTION ,1..~
L- o
Q~ ~
APPROVED DATE N APPROVED DATE APPROVED DATE ~ u w
z QF w ~ _
CHARLOTTE -MECKLENBURG CHARLOTTE -MECKLENBURG ~ L ~
STD. N0. LAND DEVELOPEMENT GRAVEL AND RIP RAP SEDIMENT BASIN LAND DEVELOPEMENT N A N T CHARLOTTE - MECKLENBURG ~ ~ STD. N0. STD. N ~
30.02 GE ER L O ES STANDARDS STANDARDS - LA~JD DEVELOPEMENT O• ~L NOTES SEDIMENT BASINS TEMPORARY SILT DITCH 30.03 30.05
STANDARDS +r W 4- ~
t6 ~
LN GENERAL NOTES:
~~~~s~a~°~ man ~o „oo Uz O o 1. SEDIMENT SHALL BE REMOVED AND TRAP RESTORED TO ITS ORIGINAL DIMENSIONS ~ ~
~ ~ ~ WHEN THE SEDIMENT HAS ACCUMULATED TO 1/2 THE DESIGN DEPTH OF THE. TRAP. ~
° ~ 0 WOOD STAKES 2. REMOVED SEDIMENT SHALL BE DEPOSITED IN A SUITABLE AREA AND IN SUCH A
MANNER THAT IT WILL NOT ERODE. ~ _
3. THE STRUCTURE SHALL BE INSPECTED BY THE FINANCIALLY RESPONSIBLE PARTY ~ OR HIS AGENT AFTER EACH STORM EVENT AND REPAIRS MADE AS NECESSARY. ~
a ~ Z 4. CONSTRUCTION OPERATIDNS SHALL BE CARRIED OUT IN SUCH A MANNER THAT
I EROSION AND WATER POLLUTION ARE MINIMIZED. o
a e b s I 5. THE SEDIMENT TRAP SHALL BE R M V N E 0 ED AND THE AREA STABILIZED WHEN THE
DRAINAGE BASIN HAS BEEN PROPERLY STABILIZED.
100' MIN. c
PUBLIC STREET ~o o 6. ON LARGER DRAINAGE AREAS R[P RAP MAY BE REQUIRED UNDER THE WASHE6 STONE.
~ ~o
~ oo EXISTING GROUND .p
Z ~p o~ 0~ otlJOO A°~ Qv cj~p°DOy~ °wUVp eAOO~ o0v-p gOOe ~ SOIL STABILIZATION FABRIC ooa$ oo°°
UNO~ER #5 WASHED STONE #5 WASHED STONE J
100` MIN.
f
W
wool #5 WASHED STONE WOOD STAKES 0
w (1/4" TO 1/2" GRID OPENING) /
w z ~ ~ ~ WIRE ~ °o e ° ; • °°°Wo eO eO WIRE MESH r
CONCRETE BLOCK °°°:°;oe
U J 0 A ~ o A ~ :;°a°°
m ~ O p o o e°QO: ~ ~ 0 0 ~
a dd Cg o~ ~~0° Q ; o o e=~:e ~ Z 0 0 00
~ STORAGE AREA
o ~ a Oo~
aCb ~ ° o ° °°°°e i0e° •'0a°0°0a~o°;
NOTES: J ~
1. A STABILIZED ENTRANCE PAD OF #5 WASHI_D STONE OR RAIL ROAD BALLAST SHALL BE LOCATED WHERE ~ • z ~ a
TRAFFIC WILL ENTER OR LEAVE THE CONSTRUCTION SITE ONTO A PUBLIC STREET. CATCH BASIN
R N T NE MAY BE USED AS A BASE F R T T 12" 2. FILTER FABRIC OR COMPACTED CRUSHER U S 0 0 HE CONS RUCTION ENTRANCE. ••a DROP INLET
3. THE ENTRANCE SHALL BE MAINTAINED IN A CONDITION WHICH WILL PREVENT TRACKING OR FLOWING OF SEDIMENT •~a WITH GRATE
ONTO PUBLIC STREETS OR EXISTING PAVEMENT. THIS MAY REQUIRE PERIODIC TOP DRESSING WITH ADDITIONAL
STONE AS CONDITIONS WARRANT AND REPAIR OR CLEANOUT OF ANY MEASURES USED TO TRAP SEDIMENT.
4. ANY SEDIMENT SPILLED) DROPPED WASHED, OR TRACKED ONTO PUBLIC STREETS MUST 8E REMOVED IMMEDIATELY. W PLAN VIEW
5. WHEN APPROPRIATE, WHEELS MUST BE CLEANED TO REMOVE SEDIMENT PRIOR TO ENTERING A PUBLIC STREET. WHEN
WASHING IS REQUIRED, IT SHALL BE DONE [N AN AREA STABILIZED WITH CRUSHED STONE WHICH DRAINS INTO AN APPROVED SEDIMENT BASIN SEE STD. N0. 30.116.
6. SOIL STABILIZATION FABRIC (AS SPECIFIED BY THE DESIGNER) SHALL BE USED. #5 WASHED STONE z_
7. COOT MAY REQUIRE A STANDARD COMMERCIAL DRIVEWAY (STD. 10.24 8 10.25) TO F ~ ~
ACCESS THE CONSTRUCTION SITE IF THE DRIVEWAY [S ON A THOROUGHFARE. SPECIFIC APPLICATION: THIS METHOD OF INLET PROTECTI( FLOWS ARE EXPECTED AND WHERE LET PROTECTION IS APPLfCABLE WHERE HEAVY ZOw ~ ~ ~ c ~ D AND WHERE OVERFLOW CAPACITY IS ~ ~ N ° o
NECESSARY TO PREVENT EXCESSIVE TR T R 12" MIN. N I ENT EXCESSIVE PONDING AROUND THE S UC U E
'il o° nK, ~'N°~"'~
dZa-.
s x ~°o
2
r . s
REVISIONS REVISIONS H W, REVISIONS
NO. DATE DESCRIPTION NO. DATE DESCRIPTION NO. DATE DESCRIPTION
rr"1 W SECTION A-A
APPROVED DATE APPROVED DATE APPROVED DATE .E
CHARLOTTE - MECKLENBURG CHARLOTTE - MECKLENBURG V~ w CHARLOTTE - MECKLENBURG
STD. N0. BLOCK AND LAND DEVELOPEMENT STABILIZED CONSTRUCTION ENTRANCE LAND DEVELOPEMENT 3LOCK AND GRAVEL STD. 0. STD. N0. LAND DEVELOPEMENT STONE INLET SEDIMENT TRAP
30.11A STONE INLET SE STANDARDS STANDARDS INLET SEDIMENT FILTER 30.07 STANDARDS 30.08
H