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HomeMy WebLinkAboutSW3191101_O&M Agreement/Plan_20231109 Project Name: CAMBRIDGE VILLAGE MULTIFAMILY Project Location: Cresset Dellinger and N. Pilot Knob Rd. . _._ Maintenance records shal be kept on the following SCM(s). This maintenance record shall be kept in a log in a known set location. Any deficient SCM elements noted in the inspection will be corrected, repaired, or replaced immediately. These deficiencies can affect the integrity of structures, safety of the public, and the pollutant removal efficiency of the SCM(s). INPUT ADDITIONAL DATA ON INDIVIDUAL O&M The SCM(s) on this project include (check all that apply & cores. •nding O&M sheets will be added automatically): PLAN SHEETS IF REQUIRED Infiltration Basin Quantity: - Location(s): - Infiltration Trench Quantity: IIIIIIII Location(s): Bioretention Cell Quantity: - Location(s): ' Wet Pond Quantity: Q Location(s): NE and SW Cornere_of the site ADDITIONAL DATA REQUIRED Stormwater Wetland Quantity: - Location(s): Permeable Pavement Quantity: - Location(s): Sand Filter Quantity: NM Location(s): , - _ Rainwater Harvesting Quantity: moo Location(s): Green Roof Quantity: - Location(s): _ _ Level Spreader - Filter Strip Quantity: _ Location(s): Proprietary System Quantity: - Location(s): , Treatment Swale Quantity: MIN Location(s): Dry Pond Quantity: Location(s): , Disconnected Impervious Surface Present: No Location(s): User Defined SCM Present: Yes Location(s): French Drain - Building 7 and panting lot _ ADDITIONAL DATA REQUIRED Low Density Present: No Type: , I acknowledge and agree by my signature below that I am responsible for the performance of the maintenance procedures listed for each SCM above, and attached O&M tables. I agree to notify NCDEQ of any problems with the system or prior to any changes to the system or responsible party. Responsible Party: Tadd M. Miller Title & Organization: Mngr. of Mngr. of Managerp Cambridge Commons Holdinjs, LLC Street address: 460 Virginia Avenue City, state, zip: Indiana• .11 .w 13 Phone num• - - f , I+ Email: EI ,.. . ,'!" Oflf Signature: Date: 2. . Z.3 .atz.. I, Vs-%vri eJ ND. - v iv , a Notary bl. or the State of 1 hlyw County of Mikit.:41).4 , do hereby certify that 0 0 INA ., M(i.G, L, personally appeared before me this 2.3r day of 159,A. il..`{ SA + and e acknowledge the due execution of the • • -rati• - - • • ainte . • e Agr: -ment . , Witness my hand and official . I, - 4 • 200111111ft.. . ,�f. ;�.,f KHISTIN D. SMITH _ °, Notary Public, State of Indiana ? ��:_��-. �d Johns• County x = Commissio = NP0719286 `4, , ' My Commi.sicn Expires'°'' IVIarch 19, 2027 Seal My commission expires 3 a 19 ' Z.:1 0\ U °%' (P) BK 3205 PG 749 - 754 (6) 4 Picked up Kim Seagle This document presented and filed: 10/24/2022 09:52:24 AM AGREEMENT Fee $26.00 Transfer Tax: $0.00 659453 Lincoln County North Carolina Danny R. Hester, Register of Deeds STORM-EZ 2/21/2022 Version 1.5 O&M Agreement Page 1 of 1 BK 3205 PG 750 D O C# 659453 _ _ 1 _1{ .,may _ _ - - : : . _ - . _ , :. . . -- • - _ _ _ ••! -a242 a J.' T- I""'Y- R- is _ - ..1.. '1 .'T. - ... .. .. .. -:'y>:, b. .d,`: i'w'-. .T•« "?qj<: - ...- P:'.:...._:.^ :. '.'s .-. oc., 'i9.o>.s'•.. . . . _ . a . ,f - Important operation and maintenance procedures: Immediately after the wet detention basin is established, the plants on the vegetated shelf and - perimeter of the basin should be watered twice weekly if needed, until the plants become established (commonly six weeks). No portion of the wet pond should be fertilized after the initial fertilization that is required to establish - the plants on the vegetated shelf. Stable groundcover will be maintained in the drainage area to reduce the sediment load to the wet_ pond . If the pond must be drained for an emergency or to perform maintenance, the flushing of sediment - through the emergency drain will be minimized as much as possible. At least once annually, a dam safety expert will inspect the embankment. Any problems that are - found will be repaired immediately. 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. After the wet pond is established, it will be inspected quarterly and within 24 hours after every storm event greater than 1 .0 inches for 1 . 5 inches if in a Coastal County) . Records of operation and maintenance shall be kept in a known set location and shall be available upon request. Inspection activities shall be performed as follows. Any problems that are found shall be repaired immediately. SCM element: Potential problem: How to remediate the problem: The entire wet pond Trash/debris is present. Remove the trash/debris. • Areas of bare soil and/or Regrade the soil if necessary to remove the gully, plant ground The perimeter of the wet it erosive gullies have cover and water until is established . Provide lime and a one- pond formed. time fertilizer application. The inlet pipe is clogged (ifapplicable). Unclog the pipe. Dispose of the sediment off-site. The inlet pipe is cracked or otherwise damaged (if Repair or replace the pipe. The inlet device applicable). pp ) Erosion is occurring in the Regrade the swale if necessary and provide erosion control swale (if applicable). devices such as reinforced turf matting or riprap to avoid future problems with erosion. Sediment has accumulated to a depth Search for the source of the sediment and remedy the problem greater than the original if possible. Remove the sediment and dispose of it in a design depth for sediment location where it will not cause impacts to streams or the SCM . storage. The forebay Erosion has occurred . Provide additional erosion protection such as reinforced turf matting or riprap if needed to prevent future erosion problems. W r Remove the weeds, preferably by hand. If pesticide is used , Beds a e present wipe it on the plants rather than spraying. �r�M. -` ,y-�! �.kt.uC�`y' �_ ay .v Y .i• 3 �iI �7- f - - •- i .. •. _�I -' _ •. L _ ..• .. •.L ; ,�,i •„`�Srj.'^.a: J. °r;}. yr• ,'^:::i' y- •S :••._'::, - "k :r. 'M,•' -,y i7E•'is .•eY' v.T- - .. %« SCM element: Potential problem: How to remediate the problem: BK 3205 PG 751 D O C# 659453 Sediment has accumulated to a depth Search for the source of the sediment and remedy the problem greater than the original if possible. Remove the sediment and dispose of it in a design sediment storage location where it will not cause impacts to streams or the SCM . depth . r1 I The main treatment area Algal growth covers over o Consult a professional to remove and control the algal growth. 50% of the area. Cattails, phragmites or ,other invasive plants Remove the plants by wiping them with pesticide (do not cover 50% of the basin spray). surface. Best professional practices show that pruning is needed to Prune according to best professional practices. maintain optimal plant health. The vegetated shelf Determine the source of the problem : soils, hydrology, Plants are dead , diseased disease, etc. Remedy the problem and replace plants. or dying. Provide a one-time fertilizer application to establish the ground cover if a soil test indicates it is necessary. W r r n . Remove the weeds, preferably by hand. If pesticide is used, Beds a e p ese t wipe it on the plants rather than spraying. Shrubs have started to Remove shrubs immediately. grow on the embankment. Evidence of muskrat or Consult a professional to remove muskrats or beavers and beaver activity is present. repair any holes or erosion. The embankment A tree has started to grow Consult a dam safety specialist to remove the tree. on the embankment. An annual inspection by an appropriate professional shows that Make all needed repairs immediately. the embankment needs repair. Clo in h s rr Clean out the outlet device and dispose of any sediment in a gg g a occu ed location where it will not cause impacts to streams or the SCM. The outlet device The outlet device is darn Repair or replace the outlet device. aged . Weeds or volunteer trees are growingon themat. Remove the weeds or trees. Floating wetland island if a licable The anchor cable is pp ) damaged, disconnected or Restore the anchor cable to its design state. missing . �: - #. ;"-..{.• - ?4 s"�� •3 14. `r~t «,i �a"- �. - -. _ sr � � � ..s`.t^� ii''i � ., - •� .'?•. �� ♦. - - -SCM element: Potential problem: How to remediate the problem: Erosion or other signs of damage have occurred at Repair the damage and improve the flow dissipation structure. the outlet. BK 3205 PG 752 DOC# 659453 The receiving water Discharges from the wet pond are causing erosion Contact the NCDEQ Regional local N DE R i nal Office. or sedimentation in the receiving water. BK 3205 PG 753 DOC# 659453 i4ti is• _?. Y"^dfe'•s• .x ,�'� 3,-_ tt % - •T•%: }.-t. i`t ':. < .`,p.` �r� x. ,..,- 7.� sue` - !• '4 { .. 1. - .. .. s;n 1"4. 4-5141-11 :74.` f' :411-.. Wet Pond Diagram WET POND ID FOREBAY MAIN POND 1 Permanent Pool El. 787.5 Permanent Pool El. 787,5 Temporary Pool El: 788.5 Temporary Pool El: 788.5 Pretreatment other No Clean Out Depth: 3.5 Clean Out Depth: 5.5 than forebay? Sediment Removal E 784 Sediment Removal El 782 Has Veg. Filter? No Bottom Elevation: 783 Bottom Elevation: 781 WET POND ID FOREBAY MAIN POND 2 Permanent Pool El. 777 Permanent Pool El. 777 Temporary Pool El: 778.3 Temporary Pool El: 778.3 Pretreatment other Clean Out Depth: 4 Clean Out Depth: 7 than forebay? NO Sediment Removal EI 773 Sediment Removal El 770 Has Veg. Filter? Bottom Elevation: 772 Bottom Elevation: 769_ ATTACH ADDITIONAL SHEETS IF NECESSARY BK 3205 PG 754 D O C# 659453 - -"Yi ,. � __ 1l . :� .- r._a,r - . . - .--. ..`:,.�_�� � � « � Rti .0 -� i• ,�,.'... .� ,;�. � .r. :r.. �� '��' "� �� 'c 1. .�4`s+ s�t-•« r "� y s .� - �Y •'•Ac:.-�,:. 7C 7.�'. � '�I.**:. s.'. :r,.�s•�. �..,y3 S� n^s:�� -- +{,• . .`?"- i+:.�'... ..: _ `• '_q •.i. _.�-......-i' ti-s.�!. �• .r!.'•: -.r - Ye. `ti:mot _ - -- r.. � �:'\4 �'!' "' � ' �v i' s11' I -' Section 1 Important operation and maintenance procedures: - ,The french drain system is defined as the pipes and stormwater inlet passively collectingand Add/Delete Row - transmitting drainage from Building 7 and the parking lot to the wet pond. - Inspect opening on pipe to ensure free flow of drainage from building and parking lot. - Regularly clean the pipes and drain inlet by manually removing debris. - Inspect stormwater inlet drain and surrounding area to assess base flow. The system will be inspected at least quarterly. Records of operation and maintenance will be kept in a known set location and will be available upon request. Section 2 Inspection activities shall be performed as follows. Any problems that are found shall be repaired immediately. SCM element: Potential problem: How to remediate the problem: French drain system Base flow too high. Evaluate flow impact to wet pond SCM; if base flow prevents Add/Delete Row temporary pool elevation from returning to the permanent pool elevation with 5 days, remediate as needed. • Drain inlet/outlet pipes Pipes are clogged. Unclog the pipe. Dispose of the sediment off-site. Stormwater inlet drain Sediment/debris in inlet. Remove the sediment/debris. Dispose of the sediment off-site.