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HomeMy WebLinkAboutSW3240704_O&M Agreement/Plan_20241029 1717Ci ZTLTVTT O[ !VTaTITLCT1?ITTUC nut CCriiCi7t Project Name: Hidden Estates Project Location: Weddington, NC Cover Page aintenance records shall be kept on the following SCM(s). This maintenance record shall be kept in a log in a known set location. �y deficient SCM elements noted in the inspection will be corrected, repaired, or replaced immediately. These deficiencies can fect the integrity of structures, safety of the public, and the pollutant removal efficiency of the SCM(s). ae SCM(s) on this project include (check all that apply & corresponding O&M sheets will be added automatically): Infiltration Basin Quantity: Location(s): Infiltration Trench Quantity: Location(s): Bioretention Cell Quantity: Location(s): Wet Pond Quantity: Location(s): Stormwater Wetland Quantity: Location(s): Permeable Pavement Quantity: Location(s): Sand Filter Quantity: Location(s): Rainwater Harvesting Quantity: Location(s): Green Roof Quantity: Location(s): Level Spreader- Filter Strip Quantity: Location(s): Proprietary System Quantity: Location(s): Treatment Swale Quantity: Location(s): Dry Pond Quantity: Location(s): Disconnected Impervious Surface Present: No Location(s): User Defined SCM Present: No Location(s): Low Density Present: Yes Type: Vegetated swales/roadside ditches acknowledge and agree by my signature below that I am responsible for the performance of the maintenance procedures listed for ach SCM above, and attached O&M tables. I agree to notify NCDEQ of any problems with the system or prior to any changes to e system or responsible party. Responsible Party: Claudia Al-hassan Title & Organization: Vice President- Encompass Building Group Street address: 1016 Waxhaw Indian Trail Rd. PO Box 3196 City, state,zip: Matthews, NC 28106 Phone number(s): 704-234-8202 Email: claudia@alpha-omegainc.com Signature: a� - SSe rTh Date: /o/51a(l p t t('/c V Pj 12ow-e , a Notary Public for the State of county of 11. n , do hereby certify that ci d„fi ,4 / - zle s', Ksonally appeared before me this ��� day of Q( -}_j)b( / 0--0a and :knowledge the due execution of the Op tions and Maintenan a Agreement . 'fitness ; : ! :r" rrrITA -. MY Comm. I '% A S' UBL1G .' .w obi 09 _ 08'—aq gal My commission expires ORM-EZ 7/22/2( iportant maintenance procedures: The drainage area to the vegetated conveyance or vegetated receiving area will be carefully managed to reduce the sediment load to the vegetated conveyance or vegetated receiving area. After the initial fertilization to establish the grass in the vegetated conveyance or the vegetated receiving area, fertilizer will not be applied to the vegetated receiving areas. �e vegetated conveyance or vegetated receiving area will be inspected quarterly. Records of operation and maintenance ill be kept in a known set location and will be available upon request. Inspection activities shall be performed as follows. Any problems that are found shall be repaired immediately. CM element: Potential problem: How to remediate the problem: egetation Vegetation is too short or Maintain grassed vegetation such that the swale or vegetated too long. area does not erode during the peak flow from the 10-year storm Trash/debris is present. Remove the trash/debris. Areas of bare soil and/or Regrade the soil if necessary to remove the gully, and then re-sod erosive gullies have (or plant with other appropriate species) and water until egetated receiving areas formed. established. Provide lime and a one-time fertilizer application. Trees and/or other woody Remove the trees and woody vegetation from the swale, regrade vegetation are present in the swale if necessary and re-establish grass as shown on the the swale. approved plans. Trash/debris is present. Remove the trash/debris. Areas of bare soil and/or Regrade the soil if necessary to remove the gully, and then re-sod erosive gullies have (or plant with other appropriate species) and water until formed. established. Provide lime and a one-time fertilizer application. Sediment covers the grass Remove sediment and dispose in an area that will not impact egetated conveyances / at the bottom of the swale. streams or SCMs. Re-sod if necessary. wales / roadside ditches Regrade the slopes to the permitted configuration per the ether than curb outlet The side slope is steeper approved plan and reestablish vegetation. If as-built or existing Hales) than the approved conditions do not allow the slopes to be regraded, contact the configuration. applicable permitting agency. Grass is dead, diseased or Determine the source of the problem; soils, hydrology, disease, dying. etc. Remedy the problem and replace plants. Provide a one-time fertilizer application to establish the ground cover if necessary. Trees and/or other woody Remove the trees and woody vegetation from the vegetated vegetation are present in conveyance, regrade the vegetated conveyance if necessary and the vegetated conveyance. re-establish grass as shown on the approved plans. Clogging has occurred. Clean out the outlet device. Dispose of the sediment off-site. ne outlet device (if )plicable) The outlet device is Repair or replace the outlet device. damaged Erosion or other signs of damage have occurred at Repair the damage and improve the flow dissipation structure. the outlet. ne receiving water Discharges from the site are causing erosion or Contact the local NCDEQ Regional Office. sedimentation in the receiving water.