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Home My WebLink AboutSW3210403_O&M Agreement/Plan_20210722Operation & Maintenance Agreement Project Name: 233 Randolph 74 Solar I, LLC Project Location: 2200 Southern Drive, Shelby, NC Cover 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 & co 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: 0 0 0 0 0 0 0 0 0 0 0 g O&M sheets will Location(s): Location(s): Location(s): Location(s): Location(s): Location(s): Location(s): Location(s): Location(s): Location(s): Location(s): Location(s): Location(s): Location(s): Location(s): Type: be added a I Solar Farm I JVegetated swales/roadside ditches 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: Title & Organization: Street address: City, state, zip: Phone number(s): Erna' . Sign r L. Wayne Marshall Manager, 233 Randolph 74 Solar I, LLC 11330 Vanstory Drive, Suite 101 Huntersville, NC, 28078 704-897-0713 wmarshall@hep-petra.com Dat : -71 202/ a Notary Public for the State of O Ok G County of A cL l do hereby certify that personally appeared before me this i day ofu 1 acknowledge the due execution of t(e)Op�ratipns Witness I seal, Ag and Seal STORM-EZ Version 1.5 My commission expires" U O&M Agreement 6/25/2021 Page 1 of 1 User Defined SCM Maintenance Requirements Section 1 Important operation and maintenance procedures: - The entire vegetated area within the Solar Power Plant will be carefully managed to reduce the - sediment load leaving the site. - After the first-time fertilization to establish the permanent ground cover on the vegetated areas - of the Solar Power Plant, minimize use of herbicides and fertilizers per NCDEQ Stormwater - Design Manual E-6 - Avoid compaction of subsoil per NCDEQ Stormwater Design Manual E-6 Rec 1 - Avoid concentration of stormwater per NCDEQ Stormwater Design Manual E-6 Rec 3 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: Entire Vegetated Area Areas of bare soil/gullies Regrade as necessary to remove the gully, replant area. Entire Vegetated Area Vegetation Maintain vegetation at a height of approximately 12 inches. Receiving Water Body Erosion or signs of Contact the NC Division of Water Quality 401 Oversight Low Density Maintenance Requirements Important maintenance procedures: i He uiduidye died w uie veyeidieu cuiiveydnce Ui veyeidieu ieceivuiy died will ue odieiwry - managed to reduce the sediment load to the vegetated conveyance or vegetated receiving nrnn 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. The vegetated conveyance or vegetated receiving area will be inspected quarterly . Records of operation and maintenance will 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. SCM element: Potential problem: How to remediate the problem: Maintain grassed vegetation such that the swale or Vegetation Vegetation is too short or vegetated area does not erode during the peak flow from the ve g g too long. 10-year storm Trash/debris is present. Remove the trash/debris. Regrade the soil if necessary to remove the gully, and then Areas of bare soil and/or re -sod (or plant with other appropriate species) and water Vegetated receiving erosive gullies have formed. until established. Provide lime and a one-time fertilizer areas application. Trees and/or other woody Remove the trees and woody vegetation from the swale, vegetation are present in regrade the swale if necessary and re-establish grass as the swale. shown on the approved plans. Trash/debris is present. Remove the trash/debris. Regrade the soil if necessary to remove the gully, and then Areas of bare soil and/or re -sod (or plant with other appropriate species) and water erosive gullies have until established. Provide lime and a one-time fertilizer formed. application. Sediment covers the Remove sediment and dispose in an area that will not grass at the bottom of impact streams or SCMs. Re -sod if necessary. Vegetated conveyances the swale. / swales / roadside Regrade the slopes to the permitted configuration per the ditches (other than The side slope is steeper approved plan and reestablish vegetation. If as -built or curb outlet swales) than the approved existing conditions do not allow the slopes to be regraded, configuration. contact the applicable permitting agency. Determine the source of the problem: soils, hydrology, Grass is dead, diseased disease, etc. Remedy the problem and replace plants. or dying. 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 vegetation are present in vegetated conveyance, regrade the vegetated conveyance the vegetated if necessary and re-establish grass as shown on the conveyance. approved plans. Clean out the outlet device. Dispose of the sediment off - Clogging has occurred. site. The outlet device (if applicable) The outlet device is Repair or replace the outlet device. damaged Erosion or other signs of Repair the damage and improve the flow dissipation damage have occurred structure. at the outlet. Discharges from the site The receiving water are causing erosion or Contact the local NCDEO Regional Office. sedimentation in the receiving water.