SW3170702 (3)

Operation & Maintenance Agreemem
Project Name
Project Location
on
Markey Creek Subdivision
Union County, NC
ua
locaN . Any tMont $AAP elements noted in the inspection will be corrected, repaired, or replacm I nese
deficiencies can affect the integrity of sir=res, safety a the pu5l;c, MW me pollutant removal efficiency of the BMiP(s).
I no tsmi,(s) on this project include (check all that apply & c
lioretention Cell Quantity:
Day uetentiui-i 80" Quantity:
Grassed Swale uuanuty:
Groen Hoot
Quanfi y.
Infiltration Basin
Quantity:
Innitrftn 1 rencn
Quantity:
Levet Spreader/vi-S
Quanrity:
Permeable Pavement
ucianthy:
Proprietary 5y*rW-v-'
Quantity:
Rainwater HarvMng
Uuantfty:
Sand Filter
Quantity:
Stonuwater Wetland
Quantity:
Wei Dewntion Basin
Quantity:
D"nnMed Impervious Area
Present:
'user DOOM BMP
Present:
U
I atow Nwe and agree by my signature below mgt I torr .voponsible for the performance of me maimenan rce p ocedures listed
for each BMP above, ana attacnea uANI tmles. I agree to notify NC13e1vR of any N,Wlems with the system or prior to any
chanes, lu mu system or resl;wnsible parry.
HARKEY CREEK (CHARLOTTE) ASLI VIII. LLC; a Delaware limited liability company
By: Avami Strategic Land Investors VIII, L.L.L.P., a Delaware limited liability limited partnership, its sole Member
By: AFG ASLI VIII GP, LLC, at Delaware limited liability company, its sale Genet al Paztuet'
By: Avauti rvapr. ties ts. vup III, L.L.L.P., a DrIanarC limited I;nn.lity li.uit'c0 pa. tn'crah.p, its Managing Me—De,
By: APG III hP, LLS,, a Florida lin:tial liability COmpatty, its oink ucoCral PaAn
By: Avanti M'ana or ' n; a Florida Corporation; its sole Manager
By: Date Z0/
Alla. Cn DuDill. .Cc YA&dent.
yz31v. P2ttn3yl.ania Avr , winter Puz-14 Florida 3Z7gy
45 i -o254-453, Email: adabilliruavantiaroD.com
!_a 11'1 � 4 ' 1 � C'c� �'(� S , a Notary Puoiia for the State ofT Lor I C6 -
Monty of : do Nearby cerut)r iNtr
persOn»ly appeared before me this oZ ST Bay off.l v� b r% and
acknowledge the due execution or ma erations and Main ante Agreemum .
OA -111" P"
witness my hand and official i3 ,
Ntrtery FDCIIC State of Florida
Janet R Wmralas
a My Cummisnlon FF 223166
mor rt' Expires 05/2a7zu1a
RIy commission expires
uszuus 111`/4243 1

Wet i;?eterl�un Pona MailNIMIlince R uirernenim
I no wet detention basin system is defi.iM as the wet detention basin, pretreatment includ;ng iorebays and the vegetated filter H
one is proviaed.
Important maintenance procedures:
Immediately aver tlfe wet detention basin is estabiarlied= the plants an the vegetated shelf ano parimutivi of the
t]asm should be watered twice weekly R neeo8a, until the plants become established (comrrrunly sn .,,eeKs).
_ Iva portion of the wet detention pond should be fertilized after the first Mid!a fertilizatwi i that is iayuirea to
estOish the ply w i the vegetated shelf.
_ Stable groundcovw sho'uia be maintained in the drainage area to reduce the sediment ioaa to the wet
detention basin.
If the basin must be drained for an emergency or to perform maintenance. the flushing of sediment tR,,juah the
_
ernwyency dr un ahuuid be minimized to the matamum extent practical.
- Once a year. a dam safety expert snoult] inspect the embankment.
After the wet detention pond is Ofaaftned, it should be inspected once a month and within z4 Hours after every storm event
greater than -i.0 Inches (or 1.5 Inches ff in a Coastal t;oumy). Records of operation and maintenance should be kept in a
known set locatiu., ansa must be available upon request.
Inspection activities shall be pitrrormed as tohows. Any problems that are found shall be repaired hnnt iately.
BMP element:
Potm�tial probiam:
Now I will remediate the problem:
The entire BMP
Trash/debris is present.
Remove the trash/debris.
The perimeter of the BMP
Areas of bare soil and/or
erosive gullies have formed.
Regraoe the soil H nFv ; sswy to remove the gully: and Then plant a
ground cover and Water until it is Maoiluhtd. rrovide lime and a Una
time rerulhwr application.
Vegetado, w too snort or too
iMintain vegetation at a heiyHt of appruAimately six invilm'.
IOng.
The Nei device
i ne pipe is clogged.
Unclog the pipe. Dispose of the sediment off-site.
I no pipe is cra-u-Ked ar
Replace the pipe.
tnnerwise damaged.
Erosion Is occurring in the
Regrade the swage if nuumsary to smwth it uva, and p.uvioe erosion
swale.
contra 8ayh es saM as nalroarjuM torr matting er.'prap to avoid
future problems with erosion.
Stone verge is clogged or
Remove sediment and replace with clean stone.
covered in sediment (if
applicable).
i ne forebay
Sediment Has awumulatea to
a depth greater than the
Search fur the socrua of the sediment ant] remedy the problem if
possible. Re...ova the Sen;ment and dispose or it fi a location where
original oesig„ dcptn wr
It will not cause impacts r streams or the BMP.
seal raunt storage.
Erosion has occurred.
Provide additional erosion protection such as reinforced turf matt;ng
or tip, ap iT neeaHa iv F. vvv„L Tutu, a erw—swn p: ablams.
Weeds are present.
Retndve the weeds, preterMly by nand. If pesticide is used, wipe it
on the plants rather than spraying.
The vegetates shelf
M professionm praCIM
Prune according to best professional practices
snow thM pruning is needed
to maintain optimal plant
health.
Plants are dean: d'.se=ed u,
Determi..e the soa.Ue UT tRa probin,..: suits. Myt]rology_ Mc ease, etc.
t]ying.
RemMy the prMlem ant] replace plants. Provice a ane -time ierifiizer
application io establish the ground cover if a soil tom[ indicates it is
necessary.
We—ea s am p, went.
Remove tfte weeds, p rarmoty By na �a. rt piastit?ise is asea, wipe it
on the plants rather than 5piaylt1y.

wet Detcnuan Puna Mainteneria Requimments Continuea
The main treatment area
Sediment has accumulated to
as depth greater than the
originil design sedimant
Search for the scarce of the sedime, it and remedy tfte pr65lem if
poss;ble. Remove the sediment arO disposes of it in a location where
it will not cause impacts to streams or thn BMP.
storage depth.
Algal growth covers over 500/6
Consult a professionail to remove and control tRe alga► g, owtn.
or the area.
Cattails, phragmites or other
Remove t'ne plants by wiping them with pesticide (do not spray).
invasive plants cover 50% of
tFle surface.
The embankment
Shrubs have started to gray
Kamove shrubs immediately.
on the embankment.
Evidence of muskrat or
Use trap., to remove muskrats and consult a professional tc rumvve
beaver aMMty is present.
6maVrna.
A tree has started to grew on
Consult a dam safety specialist to remove the tram.
the e1T115HFIRawt.
An annual inspection by a1
Make all needed repairs.
appropriate profossionat
shows that the embankment
needs repair. (if applicable)
Tile curet aevice
Clogging has ut;uurred.
Cluca out Me outlet device. U-Wose of the sediment off -situ.
The outlet aevice is damaged
Repair or replace the outlet auvice.
The ruct;ving water
Erosion or other signs of
Contact the local NC Department of Environment and Naturig
damage have uwurred at the
Resources Regional Office.
outlet.
The measuring deMcu usad to determine the sea;munt ciwm;o,snail be such that it will give an accurate depth reading and not
reMily penetrate into accumulated sed;mems.

VVw— Ewerrtivn Pond Designs Summary
WET FORD ®
FOREBxY
MNN POND
1
vr,r,a IT Poa U.
655
Permanent Pool EI.
05
iemporary Pool El:
855.7
ie ig"ary roof El:
t)W.f
Pretreatmera mfEr
Clear, vut WILM:
3
Clean Ott Depth:
4
than forebayv
[;;Yes
svolmem Removal El:
652
Sediment Fksmuvat ra:
ti51
r= Vag. FIRw9
Bottom Elevation:
651
R—Mulm. ttevation:
50
wET POND tU
L-- 2
FOREBAY
Permanent Pvol W.
041
ffim rUtw
Permanent Pool El.
641
t emporary Pool El:
641.6
I empnra, y Pool LI:
041.6
PreAIsatmertr otner
Ggan Chit 11,;ptm
s
dean Out Depth:
4
than forebay?
5e tr erR Removal EI:
638
Sediment Removal u:
631
Has veg. Filter? Yes
Boum Elevation:
637
Bothwn tte..f.rc
636
wc-f POND rD
FOREBAY
MAIN FUND
s
re, ffqMr Pool EI.
5tv
Permanam Pool EI.
640
Terrq,urary PWI Fl:
am -6
Iampn,a�y Pial EI:
6—W.6
Praueatment other
UL -.n Ulf Depth:
2
Clean Out Depths:
3.5
trOn rorebay r
Sediment Hernoval El:
me
sediment mmeral rx
00.5
rw veg. Filter% Yes
Bottom uavation:
636.5
Bottom Elevailorr
635.5
wET PONu ®
FOREBAY
MAIN POND
4
PermanelR Pool EI.
632
Permarari Pool EI.
W2
Trsrrrpula,r 1'-u51 Ell:
833.z
Temporary PW tT
633.z
rret,eatrrmm WIN
Mean Utn Depth:
3
Clean Out Depth:
4
than forebay?
Sediment Removal el:
6T_.1'
Sedmlent Removal u:
6Z3
Has Vag. Fitter? Yes
Bottom EIRMIon:
oc8
Bottom Elevaikne
627
wet rvND ®
FOREBAY
®CAIN FORD
5
rTmrtatrelT Pool el.
5714
Permanent Pool EI.
624
Temporary Pool EI:
624.6
TemporaFy Paul El:
624.8
PretrommerQ other
Claw„ UUI Deptm:
z
c:tean utn I.�eptli:
4
inan loreoay?
atadimisu nemoval EI:
622
Sediment Removal EI:
620
iia, Vim. Flier? Yes
Bottom Elevation:
620
Bottom elew&orc
1 619
WET POND k]
FOREBAY
MAIN PONU
7
mrrrmnert Pooi El.
040
rermartent Pooi EI.
040
Temporary Pool El:
646.8
trnrrpurary Poui El:
686.8
Retreatment vtfidr
ulm�, Uut Deptli:
3.5
taean Out DeptR:
4
tP df�rt iurewyy
.5mtrrtertt Kalil m EI:
642.5
.5"ed"nt ReenniVal tl:
EWZ
Has Vim. Filter? Yss
Bottom Elevadorr
641.5
Bottom Elevatlon:
641
weT FUND ID
FOREuAT
roan FUND
S
Permarlent Pool E.
641
Permanent Pool EI.
641
remporwy Polo EI:
641.4
ltnrrpu,ory F OTW El:
541.4
Pret�---trrISM Urns,
taean Uut Mpm:
3
wean Uut Depin:
5
�
trn toreoay?
sediment Rl Tum w:
s38
ScUffieff FFertwval EI:
636
rias vod. rater? Yes
nottom Elevation:
MI
Bottom Elevattore
635