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HomeMy WebLinkAboutSW3200101_O&M Agreement/Plan_20220628FILED UNION COUNTY, NC CRYSTAL D. GILLIARD REGISTER OF DEEDS FILED May 20, 2022 AT 10:38 am BOOK 08482 START PAGE 0082 END PAGE 0092 INSTRUMENT # 18434 EXCISE TAX (None) KSE Deed Restrictions Operation & Maintenance Agreement Cresswind Phase 1B - Pond 1 & 2 Cresswind @ Wesley Chapel KH Wesley Chapel, LLC Prepared by; H. Craig Grimmer Land Development Manager Kolter Homes LLC 8913 Silver Springs Ct. Charlotte, NC 28215 Project Name: Crosswind - Phase 1 Project Location: Monroe, NC Union County Maintenance records shall 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). The SCM(s) on this project include (check all that apply & correspc Infiltration Basin Quantity: Infiltration Trench Quantity: Bioretention Cell Quantity: Wet Pond Quantity: 1 Stormwater Wetland Quantity: Permeable Pavement Quantity: Sand Filter Quantity: Rainwater Harvesting Quantity: Green Roof Quantity: Level Spreader - Filter Strip Quantity: Proprietary System Quantity: Treatment Swale Quantity: Dry Pond Quantity: Disconnected Impervious Surface Present: N User Defined SCM Present: N Low Density Present: I N O&M sheets will be added automatically): Location(s): Location(s): Location(s): Location(s): Pond 1 Location(s): Location(s): Location(s): Location(s): Location(s): Location(s): Location(s): Location(s): Location(s): Location(s): Location(s): 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. Signature: Responsible Party: Title & Organization. Street address City, state, zip Phone number(s) Email Mike Mclendon Authorized Signatory - KH Wesley Chapel, LLC 8913 Silver Springs Court Charlotte, Nc28215 980-228-9044 mmclendon@kolter.com Date: 5/18122 I, Rhonda L. Bustard , a Notary Public for the State of North Carolina County of Union , do hereby certify that Mike McLendon personally appeared before me this 18th day of May and acknowledge the due execution of tt oration and M ' toonce Agre ment . vv►tness`„'�lli��u anu vuw�ai U. vcai STORM-EZ Version 1.5 0 My commission expires August 4, 2024 5/17/2022 OW Agreement Page 1 of 5 Wet Pond Maintenance Requirements 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 (or 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. The perimeter of the wet Areas of bare soil and/or Regrade the soil if necessary to remove the gully, plant ground erosive gullies have cover and water until it is established. Provide lime and a one - pond formed. time fertilizer application. The inlet pipe is clogged (if Unclog the pipe. Dispose of the sediment off -site. applicable). The inlet pipe is cracked or otherwise damaged (if Repair or replace the pipe. The inlet device applicable). Regrade the swale if necessary and provide erosion control Erosion is occurring in the devices such as reinforced turf matting or riprap to avoid future swale (if applicable). 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 location design depth for sediment 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. Remove the weeds, preferably by hand. If pesticide is used, Weeds are present. wipe it on the plants rather than spraying. Wet Pond Maintenance Requirements (Continued) SCM element: Potential problem: How to remediate the problem: 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 location design sediment storage where it will not cause impacts to streams or the SCM. depth. Algal growth covers over Consult a professional to remove and control the algal growth. The main treatment area 50 /o of the area. Cattails, phragmites or other invasive plants cover Remove the plants by wiping them with pesticide (do not spray). 50% of the basin surface. Best professional practices show that pruning is needed to maintain Prune according to best professional practices. optimal plant health. The vegetated shelf Determine the source of the problem: soils, hydrology, disease, Plants are dead, diseased etc. Remedy the problem and replace plants. Provide a one - or dying. time fertilizer application to establish the ground cover if a soil test indicates it is necessary. Weeds are present. Remove the weeds, preferably by hand. If pesticide is used, 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. A tree has started to grow on the embankment. Consult a dam safety specialist to remove the tree. The embankment An annual inspection by an appropriate professional shows that Make all needed repairs immediately. the embankment needs repair. Clogging has occurred. gg g Clean out the outlet device and dispose of any sediment in a The outlet device location where it will not cause impacts to streams or the SCM. The outlet device is Repair or replace the outlet device. damaged. Weeds or volunteer trees Remove the weeds or trees. a re growing on the mat. Floating wetland island (if applicable) The anchor cable is damaged, disconnected or Restore the anchor cable to its design state. missing. Wet Pond Maintenance Requirements (Continued) 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. Discharges from the wet The receiving water pond are causing erosion Contact the local NCDEQ Regional Office. or sedimentation in the receiving water. Wet Detention Pond Design Summary O Pretreatment other No than forebay? Has Veg. Filter? Yes Permanent Pool El. 575 Temporary Pool El: 575.61 Clean Out Depth: 4 Sediment Removal EI 571 Bottom Elevation: 570.5 Permanent Pool El. 575 Temporary Pool El: 575.61 Clean Out Depth: 4 Sediment Removal EI 571 Bottom Elevation: 570.5 Project Name: Cresswind - Phase 1 Project Location: Monroe, NC Union County . , .....'. .over,Page Maintenance records shall 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). The SCM(s) on this project include (check all that apply & corre: Infiltration Basin Quantity: Infiltration Trench Quantity: Bioretention Cell Quantity: Wet Pond Quantity: Stormwater Wetland Quantity: Permeable Pavement Quantity: Sand Filter Quantity: Rainwater Harvesting Quantity: Green Roof Quantity: Level Spreader - Filter Strip Quantity: Proprietary System Quantity: Treatment Swale Quantity: Dry Pond Quantity: Disconnected Impervious Surface Present: User Defined SCM Present: Low Density Present: O&M sheets will t Location(s): Location(s): Location(s): Location(s): I Location(s): Location(s): Locaton(s): Location(s): Location(s): Location(s): Location(s): Location(s): No Location(s): No Location(s): No Type: 2 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 parry. Responsible Party: Title & Organization: Street address: City, state, zip: Phone number(s): Email: Mike Mclendon Authorized Signatory - KH Wesley Chapel, LLC 8913 Silver Springs Court Charlotte, Nc 28215 980-228-9044 mmclendon@kolter.com Signature: C Rhonda L. Bustard , a Notary Public for the State of County of Union personally appeared before me this 18th Date: 5/18/22 North Carolina do hereby certify that Mike McLendon day of May and acknowledge the due execution oft O erations'' nd Maint na a Agreem t . Witness mX,Nn,�/and official seal, 2� .�OTAR y- S'o pUBL\G V CC) U lad Seal STORM-EZ Version 1.5 My commission expires August 4, 2024 O&M Agreement 5/17/2022 Page 1 of 5 Wet Pond Maintenance Requirements 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 (or 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. The perimeter of the wet Areas of bare soil and/or Regrade the soil if necessary to remove the gully, plant ground pond erosive gullies have cover and water until it is established. Provide lime and a one - formed. time fertilizer application. The inlet pipe is clogged (if Unclog the pipe. Dispose of the sediment off -site. applicable). The inlet pipe is cracked or otherwise damaged (if Repair or replace the pipe. The inlet device applicable). 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 location design depth for sediment 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. Weeds are present. Remove the weeds, preferably by hand. If pesticide is used, wipe it on the plants rather than spraying. Wet Pond Maintenance Reauirements (Continued) SCM element: Potential problem: How to remediate the problem: 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 location design sediment storage where it will not cause impacts to streams or the SCM. depth. Algal growth covers over Consult a professional to remove and control the algal growth. p g The main treatment area 50% of the area. Cattails, phragmites or other invasive plants cover Remove the plants by wiping them with pesticide (do not spray). 50% of the basin surface. Best professional practices show that pruning is Prune according to best professional practices. needed to maintain optimal plant health. The vegetated shelf Determine the source of the problem: soils, hydrology, disease, Plants are dead, diseased etc. Remedy the problem and replace plants. Provide a one - or dying. time fertilizer application to establish the ground cover if a soil test indicates it is necessary. Weeds are present. Remove the weeds, preferably by hand. If pesticide is used, 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. A tree has started to grow Consult a dam safety specialist to remove the tree. The embankment on the embankment. An annual inspection by an appropriate professional shows that Make all needed repairs immediately. the embankment needs repair. Clogging has occurred. Clean out the outlet device and dispose of any sediment in a location where it will not cause impacts to streams or the SCM. The outlet device The outlet device is Repair or replace the outlet device. damaged. Weeds or volunteer trees Remove the weeds or trees. are growing on the mat. a Floating wetland island (if applicable) The anchor cable is damaged, disconnected or Restore the anchor cable to its design state. missing. Wet Pond Maintenance Requirements (Continued) 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. Discharges from the wet The receiving water pond are causing erosion Contact the local NCDEQ Regional Office. or sedimentation in the receiving water. Wet Detention Pond Design Summary Wet Pond Diagram 0 Pretreatment other No than forebay? Has Veg. Filter? Yes Permanent Pool El. 586 Temporary Pool El: 587.71 Clean Out Depth: 4 Sediment Removal El 582 Bottom Elevation: 581.5 Permanent Pool El. 586 Temporary Pool El: 587.71 Clean Out Depth: 4 Sediment Removal El 582 Bottom Elevation: 581.5