HomeMy WebLinkAboutSW8050907_COMPLIANCE_20050919STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW O/Jz��
DOC TYPE
El CURRENT PERMIT
❑ APPROVED PLANS
❑ HISTORICAL FILE
COMPLIANCE EVALUATION INSPECTION
DOC DATE
arrrx'p 9 � J°
YYYYMMDD
DETENTION POND ANALYSIS FILE NAME G 1DATAIWPDATAIWQSIPOND1050907-2 WK1
PROJECT # SW8 050907-2 REVIEWER R Gordon
PROJECT NAME Point South
Receiving Stream
Drainage Basin
Site Area
Drainage Area
DATE 19-Sep-05
Cape Fear River Class SC
Cape Fear Index No 18-(71)
23 22 acres
717 square feet Area = 13 11 acres
IMPERVIOUS AREAS
Rational C
Buildings
9176500
square feet
095
Streets
5123800
square feet
095
Parking
141912 00
square feet
095
Sidewalks
945000
square feet
095
Off -Site
8314200
square feet
095
square feet
TOTAL
377$07.013
square feet
Rational Cc= 070
SURFACE AREA CALCULATION
% IMPERVIOUS
66 11%
SA/DA Ratio
2 14%
Des Depth
75
Req SA
12245 sf
TSS
90
Prov SA
23436 sf
VOLUME CALCULATION * place a "1" in the box if Rational is used
Rational ?*
Des Storm
1,00 inches
Rv=
064
Bottom
-1 msl
Perm Pool
msl
Design Pool
msl
Design SA
26642-sf�_
Req Volume
30$02 le
Prov Volume
37569 1 cf
ORIFICE CALCULATION
Avg Head =
Flow Q2, cfs
Flow Q5, cfs
No of Orifices
Diameter, inches
Drawdown =
071 ft
0 178 cfs
0 071 cfs
1
2,00 weir H x W
4,0 days
FOREBAY
Perm Pool Volume= 4572273
Req Forebay Volume= 9144 546
Provided Volume= 941565
Percent=0.6°a
SA
Elevation=
Q2 Area = 6 31 sq in
Q5 Area = 2 52 sq in
Orifice Area 3 14 sq in
Q= 0 088 cfs
in x I in
COMMENTS
Surface Area, Volume and Orifice are within Design Guideline;
DETENTION POND ANALYSIS FILE NAME G IDATAIWPDATAIWQSIPOND1050907-1 WK1
PROJECT # SW8 050907-1 REVIEWER R Gordon
PROJECT NAME Point South
DATE 19-Sep-05
Receiving Stream Cape Fear River Class SC
Drainage Basin Cape Fear Index No 18-(71)
Site Area 23 22 acres
Drainage Area 693 square feet Area = 6 88 acres
IMPERVIOUS AREAS
Rational C
Buildings
5909100
square feet
095
Streets
729800
square feet
095
Parking
9616600
square feet
095
Sidewalks
709600
square feet
095
square feet
square feet
TOTAL
(f1.0
square feet
Rational Cc= 062
SURFACE AREA CALCULATION
% IMPERVIOUS
56 61%
SAIDA Ratio
1 76%
Des Depth
75
Req SA
5288 sf
TSS
90
Prov SA
11771 sf
VOLUME CALCULATION * place a "1" in the box if Rational is used
Rational ?*
Des Storm
1,00 1 inches
Rv=
056
Bottom
9 5 msI
Perm Pool
1 msI
Design Pool
18 5 msl
Design SA
4073 s
Req Volume
c
Prov Volume
1677 cf
ORIFICE CALCULATION
Avg Head =
Flow Q2, cfs
Flow 05, cfs
No of Orifices
Diameter, inches
Drawdown =
069 ft
0 081 cfs
0 032 cfs
1
1,50 weir H x W
15 days
FOREBAY
Perm Pool Volume= 4572273
Req Forebay Volume= 9144 546
Provided Volume= 941565
Percent= 2Q.t7�la
i
40.
SA @ _ .r VV\- cos 5 S 5 �-
Elevation=
Q2 Area = 2 90 sq in
Q5 Area = 1 16 sq in
Orifice Area 1 77 sq in
Q� 0 049 cfs
in x I in
COMMENTS
Surface Area , Volume and Orifice are within Design Guideline:
NC DCNR - DIVISQN OF WATER
QUALITY
2B 0300
0311 CAPE FEAR RIVER
BASIN
Classification
Name of Stream
Description
Class
Date
Index No
Rollins Branch
From source to Buckle
C,Sw
09/01/74
18-68-22-1-2-3
Swamp Creek
Bear Swamp
From source to Rollins
C,Sw
09/01/74
18-68-22-1-2-3-1
Branch
Field Creek
From Black River to Lyon
C,Sw
04/01/59
18-68-22-2
Thorofare
Bulldog Cut
From Cape Fear River to
C,Sw
04/01/59
18-68-23
Black River
Catfish Creek
From source to Cape Fear
C,Sw
09/01/74
18-69
River
Indian Creek
From source to Cape Fear
C,Sw
04/01/59
18-70
River
Clabber Branch
From source to Indian Creek
C,Sw
04/01/59
18-70-1
Cherry Tree Prong
From source to Indian Creek
C,Sw
04/01/59
18-70-2
Mulberry Branch
From source to Indian Creek
C,Sw
04/01/59
18-70-3
Otter Branch
From source to Mulberry
C,Sw
04/01/59
18-70-3-1
Branch
Mill Branch
From soruce to Indian Creek
C,sw
04/01/59
18-70-4
CAPE FEAR RIVER
From upstream mouth of
SC
08/09/B1
18-(71)
Toomers creek to a line
across the river from
Snows Paint (through Snows
Marsh) to Federal Point
Cartwheel Branch
From source to Cape Fear
SC,Sw
04/01/59
18-72
River
Toomers Creek
From upstream mouth to a
WS-IV
08/03/92
18-73-(1)
point 0 8 mile upstream of
mouth
Toomers Creek
From a point 0 8 mile
WS-IV,CA
08/03/92
18-73-(2)
upstream of mouth to mouth
(City of Wilmington water
supply intake)
Northeast Cape Fear River
From source to Muddy Creek
C,Sw
09/01/74
18-74-(1)
Barlow Branch
From source to Northeast
C,Sw
09/01/74
18-74-2
Cape Fear River
Lewis Branch (Williams
From source to Northeast
C,Sw
09/01/74
18-74-3
Millpond)
Cape Fear River
Horse Pen Branch
From source to Lewis Branch
C,Sw
09/01/74
18-74-3-1
Rattlesnake Branch
From source to Northeast
C,Sw
09/01/74
18-74-4
Cape Fear River
Polly Run Creek (Deavers
From source to Northeast
C,Sw
09/01/74
18-74-5
Pond)
Cape Fear River
Ladds Branch (Whitfield
From source to Polly Run
C,Sw
09/01/74
18-74-5-1
Pond)
Creek
Wolfscrape Branch
From source to Polly Ann
C,Sw
09/01/74
18-74-5-2
Creek
Jumping Run Branch
From source to Northeast
C Sw
09/01/74
18-74-6
Cape Fear River
48
TopoZone - The Web's Topographic Map
Page 1 of 1
0 0.3 0 6 0.9 1 2 1.5 km
0 01 02 03 04 05mi
Map center is 340 07' 24"N, 770 54' 43"W (WGS84/NAD83)
Carolina Beach quadrangle M=-8 96
Pro]ection is UTM Zone 18 NAD83 Datum G=-1.635
http //www topozone com/pnnt asp9z=18&n=3779661 51348494&e=231434 32131196&s=48 9/19/2005
01,►f1912005 13 56 9102519188 BILTMARK CORP PAGE 02104
i
NORTH CAROLINA
NEW HANOVER COUNTY
POINT SOUTH PROPERTIES LLC
LIMITED LIABILITY COMPANY
OPERATING AGREEMENT
THIS OPERATING AGREEMENT (the "Agreement") made as of the' day of July, 2005
by and among the undersigned sole member of POINT SOUTH PROPERTIES LLC, a North
Carolina limited liability company (the "Company"), such member being hereinafter referred to as a
"Member" and collectively (if there are more than one) as the "Members"
WITNESSETI1
WHEREAS, the parties hereto desire to organize a limited liability company to engage solely
and exclusively in the business of the acquisition, development, investment in, leasing, and sale of
that certain real property described m paragraph 3(a) below,
NOW, THEREFORE, in consideration of the mutual promises, covenants and agreements
contained herein, and other good and valuable consideration, the parties hereto agree as follows
NAIb E. BUSZ SS,AM REGISTERED OFFICE AND AGENT The Member
hereby forms a limited liability company (an "LLC") Under the name of POINT SOUTH
PROPERTIES LLC in accordance with and pursuant to the North Carolina Limited Liability
Company Act, N C G S Chapter 57C (the "Act"), to engage solely and exclusively in the business of
the acquisition, development, investment in, leasing, and sale ofthat certain real property described
m paragraph 3(a) below, and the conduct of only those other lawful activities which shall be
necessary or incident to the foregoing limited purpose The Company shall not engage in any other
activities or business except as set forth above Upon the execution hereof, the Member shall execute
and file or caused to be filed an Articles of Organization on behalf of the Company in the Office of
the Secmtaty of State of North Carolina The Members shall do or cause to be done all such filings,
recordings or other acts as may be necessary or appropriate from time to time to comply with the
requirements of the Act or otherwise as necessary for the operation of LLC's in the State of North
Carolina The Company shall promptly reimburse any cost incurred by the Members in connection
with the foregoing The registered office of the Company shall be 1510-A South Third Street,
Wilmington, New Hanover County, North Carolina, 28401 and the registered agent at such address
shall be Robert J Hollis The principal office of the business may but need not be the same as the
registered office
450579 MISSTR 003TA
09/19/2005 13 56 9102519188 BILTMARK CORP PAGE 03/04
2 T RM The Company shall begin as of the date of filing the aforementioned Articles,
and shall continue perpetually unless sooner terminated as provided in paragraph 15 of this
Agreement
3 cAPITAIy; LUBIl✓ITY OF NEMBERS
(a) The Company is formed to construct apartment units on a certain tract of land
currently owned by Rivage Properties, LLC located in Wilmington, New Hanover County, North
Carolina (the "Property") The Member shall contribute the right to acquire the Property and cash as
necessary for the startup costs of the Company as a capital contribution to the Company Title to any
property acquired by the Company will be taken in the name of the Company Accordingly, the
initial capital interests in the Company shall be as follows
MEMBER CAPITAL JNJEREST
Mark L Maynard 100%
(b) Each Member is personally liable for has proportionate part (determined with
reference to has interest in profits as provided in paragraph 4(a)) of any capital contribution required
for continuation of the Company business as determined reasonably and in good faith by the
Manager as provided in paragraph S(a), In the event that any Member refuses or fails to make any
such required capital contribution within thirty (30) days after written notice ofthe Manager approval
of the additional contributions, then such Member (the "defaulting Member") shall be in default of
this Agreement and the other Members and the Company shall have any and all remedies available at
law or in equity as a result of such default, including without limitation the right (upon the
affirmative vote of a majority in voting interest of all Members other than the defaulting Member) to
expel such defaulting Member from the Company, in which event the value to be paid for the
defaultingMember's interest and the manner ofpayment shall be determined in accordance with the
provisions of paragraph 12 of this Agreement In addition, but without limiting any such rights or
remedies of the other Members or the Company, the other Members may, but shall not be required
to, contribute such deficiency to the Company To the extent that any Member does contribute any
deficiency to the Company for the Member failing to do so, such contribution at the sole election of
the contributing Member(s) shall be deemed to be either (i) an additional capital contribution
requiring adjustments to the Percentage Interests as set forth in the next paragraph, or (ii) a loan to
the defaulting Member repayable on demand which shall bear interest from the date of such
450519 M155T8 00ST13
-2-
OV19/2M 13 56 9102519188 BILTMARK CORP PAGE 04/04
IN WITNESS WHEREOF, the parties hereto have signed this Agreement under seal as ofthe
day and year first alcove wnttcn
-�� — ,_z (SEAL)
ARK L MA
POINT SOUTH PROPERTIES LLC (SEAL)
By (SEAL)
MARK L MAYNARZ, Manager
450319 MIS5TS OOSFB
-26-
13 56 9102519188
Bdtrnark Corporation
PO Box 1229
WhIngton, NC 28402
910-251-5030
910.251-9188(0
BILTMARK CORP
To: Robert Gordon From, Rob Hollis
Fam 350-2004 Pages: 4
Phone-. Date: 9/19/2005
RA- Point South CC.-
PAGE 01/04
0 Urgent ❑ For Review ❑ Please Comment ❑ Pieria Reply ❑ Please Recycle
Operating agreement as requested
'OFFICE USE ONLY < y a* > vt
Date Received
Fee Paid
Permit Number
State of N
Department of Environn
Division of
STORMWATER MANAGE
This form mwy be
GENERAL INFORMATION
0.
ling l Re V � j i S f
!Q�t
is ty
If-AP4& aFftF`"
n IN,
as an or iginal
owl
1 Applicants name (specify the name of the corporation, individual, etc who owns the project)
2 Print Owner/Signing Official's name and title (person legally responsible for facility and compliance)
MarkA Hard m4 We &
3 Mailing Address for person listed in item 2 above
P 4. 8nw 122Q
CityyY�l►M+n _ _ State �Zip 2f d2
Telephone Number 251 ~ 530 _ _-
4 Project Name (subdivision, facility, or establishment name - should be consistent with project name on
plans, specifications, letters, operation and maintenance agreements, etc }
Poet
5 Location of Project (street address) rr 1`I` rP
5k iS Po ��� Sit if�i ved s -1v 1tl -h6w b 4 Dr.
City , IrA; ►lf�_..,. County griever --
6 Directions to project (from nearest major intersection) Go West OLPFOX, 0.76 +-+0 �Vm �nlersa�a� of Gina%nq
4-
E�A
s / �1
7 Latitude I� �l 3V' a7'Z4 It
Longitude _ W l% q' of project
8 Contact person who can answer questions about the project
Name a! Telephone Number (�a _} 3q2"' 5�
0.�T — -
II PERMIT INFORMATION.
I Specifv whether project is (check one)
New
RenewalModification
Form SWU-101 Version 3 99
Page 1 of 4
r„+i 'i i i it ,.. ' J t ' ,'r7' , ' �I V sy _, � �r � IL • ��1
r.., , r � r` .. r r Qk ,} 1 i •�'.li^ �J:I r �� r {'� J t f f
a + ! s • � e 3
z
k
2 If this application is being submitted as the result of a renewal or modification to an existing permit, list the
existing permit number and its issue date (if known)
3 Specify the type of project (check one)
Low Density High Density Redevelop General Permit Other
4 Additional Project Requ ements (check applicable blanks)
CAMA Major v Sedimentation/Erosion Control 404/401 Permit NPDES Stormwater
Information on required state permits can be obtained by contacting the Customer Service Center at
1-877-623-6748
III PROJECT INFORMATION
1 In the space provided below, summarize how stormwater will be treated Also attach a detailed narrative
(one to two pages) describing stormwater management for the project
_51* Wit r w II 6 6tW in 2 we4— Ao1i1�U'
2 Storrnwater runoff from this project drains to the 649 Fey River basin
3 Total Project Area Z � . I acres 4 Project Built Upon Area y ay %
5 How many drainage areas does the project have? 2-
6 Complete the following information for each drainage area If there are more than two drainage areas in the
project, attach an additional sheet with the information for each area provided in the same format as below
Receiving Stream Name
o
Cap Fe4t,
Receiving Stream Class
SC
.5'C
Drainage Area
b, $$
13 it ac.
Existing Irm envious* Area
-r'
--�
Proposed Im ervious*Area
3,H 4L
7, 3 4c
% Ln ervious* Area (total)
5 7 %
51, 73 !4
dirt envious5iiare fLrea .
Diair►ageAieau<�RDr'anit
i�^+fin \'i
ge t1rea 2�
3
On -site Buildings
q oil ftz
On -site Streets
7 Zi$
51 2,3$ 41.
On -site Parking
6 ! bb
140 225
On -site Sidewalks
Other on -site +"Xj P°a�
7 0 6
13-175142
Off -site
?
�7147
Total
Total 3y I, o z7
* Impervious area is defined as the built upon area including, but not Iimited to, buildings, roads, parking areas,
side-zvalks, gravel areas, etc
Form SWU-101 Versno❑ 3 99 Pape 2 of 4
, t5` x L'rx
r L
,r
^� r
� r
7 How was the off -site impervious area listed above derived? Cat qA 'rein 54t,�p�gyy ,
IV DEED RESTRICTIONS AND PROTECTIVE COVENANTS
The following italicized deed restrictions and protective covenants are required to be recorded for all
subdivisions, outparcels and future development prior to the sale of any lot If lot sizes t ary significantly, a
table listing each lot number, size and the allowable built -upon area for each lot must be provided as an
attachment
The following covenants are intended to ensure ongoing compliance with state stormwater management permit
number as issued by the Division of Water Quality These covenants may
not be changed or deleted without the consent of the State
No more than square feet of any lot shall be covered by structures or impervious materials
Impervious materials include asphalt, gravel, concrete, brick, stone, slate or similar material but do not include wood
decking or the water surface of swimming pools
3 Swales shall not be filled in, piped, or altered except as necessary to provide driveway crossings
Built -upon area in excess of the permitted amount requires a state stormwater management permit modification prior to
construction
S All permitted runoff from outparcels or future development shall be directed into the permitted stormwater control
system These connections to the stormwater control system shall be peif077ned in a manner that maintains the
integrity and performance of the system as permitted
By your signature below, you certify that the recorded deed restrictions and protective covenants for this project
shall include all the applicable items required above, that the covenants will be binding on all parties and
persons clang under them, that they will run with the land, that the required covenants cannot be changed or
deleted without concurrence from the State, and that they will be recorded prior to the sale of any lot
V SUPPLEMENT FORMS
The applicable state stormwater management permit supplement forms) listed below must be submitted for
each BMP specified for this project Contact the Stormwater and General Per=ts Unit at (919) 733-5083 for the
status and avarlabilrty of these forms
Form SWU-102
Wet Detention Basin Supplement
Form SWU-103
Infiltration Basin Supplement
Form SWU-104
Low Density Supplement
Form SWU-105
Curb Outlet System Supplement
Form SWU-106
Off -Site System Supplement
Form SWU-107
Underground Infiltration Trench Supplement
Form SWU-108
Neuse River Basin Supplement
Form SWU-109
Innovative Best Management Practice Supplement
Form SWU-101 Version 3 99 Page 3 of 4
VI SUBMITTAL REQUIREMENTS
Only complete application packages will be accepted and reviewed by the Division of Water Quality (DWQ)
A complete package includes all of the items listed below The complete application package should be
submitted to the appropriate DWQ Regional Office
1 Please indicate that you have provided the following required information by initialing in the space
prop ided next to each item
Initials
• Original and one copy of the Stormwater Management Permit Application Dorm St�%
• One copy of the applicable Supplement Form(s) for each BMP
• Permit application processing fee of $420 (payable to NCDENR)
• Detailed narrative description of stormwater treatment/management _- &,..,
• Two copies of plans and specifications, including
- Development/Project name'-
- Engineer and firm
-Legend
- North arrow
- Scale
- Revision number & date
- Mean high water line
- Dimensioned property/project boundary
- Location map with named streets or NCSR numbers
- Original contours, proposed contours, spot elevations, finished floor elevations
- Details of roads, drainage features, collection systems, and stormwater control measures
- Wetlands delineated, or a note on plans that none exist
- Existing drainage (including off -site), drainage e4sements, pipe sizes, runoff calculations
- Drainage areas delineated
- Vegetated buffers (where required)
VII AGENT AUTHORIZATION
If you wish to designate authority to another individual or firm so that they may provide information on your
behalf, please complete this section
Designated agent (individual or firm)) 1
!N►{ k
Mailing Address 113 Apydri Ui�
City Wilyh4idlen State Zip 18 U _
Phone 312 — 52 93 Fax ( i0 312— 52d3
VIII APPLICANT'S CERTIFICATION
1, (print or type name of person listed in General Information, item 2) 4P
certify that the information included on this permit application form is, to the best of my knowledge, correct and
that the project will be constructed in conformance with the approved plans, that the required deed restrictions
and protective covenants will be recorded, and that the proposed project complies with the requirements of 15A
NCAC 2H 1000
Signature
Date 0AR,k 2 2&b
Form SWU-101 Version 3 99 Page 4 of 4
Permit No
n wn
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORVIWATER MANAGEMENT PERMIT APPOCATTON FORM
WET DETENTION BASIN SUPPLEMENT
This form may be phofocopted far use as an o?iginal
_ S`ormwater Management Plan Review
,'¢ iete stormwater manage«itaL �s,cuc �u�. :�"' x�-���"" '^ ar.r+lir-ohnn fnrm a Wet detention basin
��tent for each basin design calculations, and plans and specifications showing all basin and outles
- rc detai is
--ROJECT LNTOWN ATION
ct Person Je-4 Akko PASS' _ - Phone Numbef �1 3 4 "
5L 3
;elects With multiple basins specify which basin this work -sheet applies to N8�1�- 2
c7, 01I S
Bottom Ele% ation
-,ent Pool Elevation
- t -ar} Pool Elevation
-7 anent Pool Surface are
area
---4- ,ous .area
1,Q ft
a�S Cc
ft
a� _ ZM N sq Ft
R 0 ac
7.13 ac
(floor of the basin)
(eleratn017 of the nrtface)
(elevation of the discharge structure merf7ou)
(water surface area at the orifice elei ation)
(on -site and off -site drainage to the bam?)
(on -site and off -site drainage to the basin)
'Y ?'CS
-- ,,-rent Pool Volume 327. TS cu ft (combined volume of main basin and forebay)
orary Pool Volume 37 _55 $ 5 cu ft (volume detained above the permanent pool)
-az Volume _ 23, � ��� cu ft (appioxinwtely 20% of total volume)
' ,� � pat[ttrietets
2, f 6
i-,cter of O-rifice
-n Rainfall
- TSS Remo,, al'-
2-
(surface area to drainage area ratio from DWQ table)
to (2 to 5 day temporati pool draw-do-v n required)
to
%n (minimum 85% requited)
3\v-102 Rev 3 99 Pa,-e I of 4
}� r--r us.rg the Division S AMA tables, the correct SAIDA ratio for permanent pool sizing should be computed based upon th,
� iiia1 impervious tic and permanent pool depth Linear interpolation should be employed to determine the correct value for nc
z_neard tpble entnes
ne 20 coastal counties the requirement for a vegetative filter may be 1a�av ed i f the wet detention basin 3s desi'med to prop is
TSS removal The NCDE\R BLIP manual providee design tables for both 857c TSS removal and 9057c TSS removal
rr .�rr�r rr r�r+r� �.r�r�� rn rr�rr.-.�r� ,. •.•
14 IL,-V L,3 %.111i1
t
I -c Following checklist outlines design requirements per the Stormwater Best Management Practices Manz
C Department of Environment, Health and Natural Resources February 1999) and Administrative Co
S,cuon 15 A NCAC 2H 1008
e] in the space provided to indicate the following design requirements have been met and supportu
-r,_iLrisntation is attached If the applicant has designated an agent in the Stormwater Management Pern
-�7 ,.,cation Forth the agent may initial below If a requirement has not been met, attach justification.
-licants Initials
a
b
_ Jb d
_ Al" e
f
�M Cr
k
The permanent pool depth is between 3 and 6 feet (required minimum of 3 feet)
The forebay volume is approximately equal to 2017o of the basin volume
The temporary pool controls runoff from the design storm event
The temporary pool draws down in 2 to 5 days
If required, a 30-foot vegetative filter is provided at the outlet (include non -erosive flow
calculations)
The basin length to width ratio is greater than 3 1
The basin side slopes above the permanent pool are no steeper than 3 1
A submerged and vegetated perimeter shelf with a Slope of 6 1 or less (show detail)
Vegetative cover above the permanent pool elevation is Specified
A trash rack or similar device is provided for both the overflow and onfice
A recorded drainage easement is provided for each basin including access to nearest ngl,
of -way
1 If the basin is used for sediment and erosion control during construction, clean out of the
basin is specified pnor to use as a wet detention basin
m A mechanism is specified which will drain the basin for maintenance or an emergency
IR 1 .� ET DETENTION BASIN OPERATION AND MAINTENANCE AGREEMENT
T et detention basin system is defined as the wet detention basin pretreatment including forebays and the
atcd filter if one is provided
T 1, stem (check one) 0 does Wdoes not incorporate a vegetated filter at the outlet.
stem (check one) 0 does ddoes not incorporate pretreatment other than a foreba,c
F _ -102 Rev 3 99 Pa-e 2 of 4
- dance actiN,sties shall be performed as follows
`ler e,.cry significant runoff producing rainfall event and at least monthly
inspect the wet detention basin system for sediment accumulation erosion, trash accumulation,
�ecetated cover and General condition
Check and clear the onfice of any obstructions such that drawdown of the temporary pool occurs
within ? to 5 days as designed
:.pair eroded areas immediately, re -seed as necessary to maintain good vegetative cover, mow vegetatiN
cotter to maintain a maximum height of six inches, and remove trash as needed
l-spect and repair the collection system (i e catch basins piping, swales, nprap, etc ) quarterly to
,, amtain proper functioning
Zcmove accumulated sediment from the wet detention basin system semi-annually or when depth 1s
,eddced to 75% of the original design depth (see diagram below) Remo,, ed sediment shall be disposed
o4 in an appropriate manner and shall be handled in a manner that will not adversely impact water qualit
e stockpiling near a wet detention basin or stream etc )
`'lie measuring device used to determine the sediment elevation shall be such that it will give an accurat,
depth reading and not readily penetrate into accumulated sediments
When the permanent pool depth reads 5, n3 feet in the main pond, the sediment shall be removed
',Vtien the permanent pool depth reads ' � 3 feet in the forebay, the sediment shall be removed
BASIN DIAGRAM
ffll in the blanks)
Q Permanent Pool Ele-,ation.5
�,u"ment Re oFal El Ut$7 75 0
- --w- - Sediment Remo%al Elevation M7 751%
Bottom Ele anon% ------__- _---- ---------------------- ----. --
Bottom Me,,ation�� 25%
FOREBAY MAIN POND
Remove cattails and other indigenous wetland plants when they cover 50% of the basin surface These
ri2ntc -,hall be encouraged to grow along the vegetated shelf and forebay berm
l{ the basin must be drained for an emergency or to perform maintenance the flushing of sediment
Lnroueh the emergency drain shall be minimized to the maximum extent practical
--r-m '�VVL-102 Re% 3 99 Pat-e 3 of 4
440,
lI ccrnncnents of the �,ei derent�on basin system shall be maintained in good "orking order
I-Cl,Wledge and agree b,, m-, signature below that I am responsible for the perforrnance of the seven
:ante procedures listed above I agree to notz{y DWQ of anti proolems with the s,-sterr, or prior to any
to Lhe s3 stern or responsible part
TMe responsib,e part; should riot be a horneo« ners ds�ocianon unless more than 501J� of the lots have been sold and
a resicent of the subdi,�ts,on has been nwned the president
a Notary Public for the State of _ 1C: t"j1t'L I tf ,
r
Of L�fAj-j do hereby certify that --bn ( L I iC.i.d .. ,..,,...,.. ,. ,... .
- -;'l, appeared before me this )C, day of 1 4O l� 't `l� , and acknowledge the dire
1-1 of the fcraoinc, w et detention basin maintenance requirements Witness my hand and official seal
1
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SEAL
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