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Home My WebLink AboutSW3220601_O&M Agreement/Plan_20220928Operation & Maintenance Agreement Project Name: Willoughby Substation Project Location: 3405 Watkins Rd., Monroe, NC Cover Pa e 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 & correspor 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: No User Defined SCM Present: No Low Density Present: Yes g O&M sheets will be added automatically): 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: 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): Signature: Executive VP and General 1525 N Rocky River Rd. Monroe. NC atLt3adtorli0u'h 16h Union Power .c6rri' .. .. .. .. .. .. .. .. .. .. .. . a Notary Public for the County of UNC'fN , do hereby certify that Date: C� of Jyxk Co'<UA"R4. personally appeared before me this day of r1- 'c)l� and acknowledge the due execution of the Operations and Maintenance Agreement. Witnessmyhand and ocialseal, ffi_ gZpZ 'gt jagwaaag saaldx3 LOISSIWWOO fW eullWeO 41JON 40 91elS /qunoo uolurt oiia ld A imi N NOSdINOHI 'S JJMd sal My commission expires DC'ICMb'(- \fit i-Du-J-tP STORM-PZ 6/16/2022 Version 1.5 O&M Agreement Page 1 of 1 Low Density Maintenance Requirements Important 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. 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 vegetated Vegetation Vegetation is too short or area does not erode during the peak flow from the 10-year too long. 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 - erosive gullies have sod (or plant with other appropriate species) and water until Vegetated receiving formed. established. Provide lime and a one-time fertilizer application. areas 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. Areas of bare soil and/or Regrade the soil if necessary to remove the gully, and then re - erosive gullies have sod (or plant with other appropriate species) and water until formed. established. Provide lime and a one-time fertilizer application. Sediment covers the grass at the bottom of the Remove sediment and dispose in an area that will not impact Vegetated swale. streams or SCMs. Re -sod if necessary. conveyances / swales / The side slope is steeper Regrade the slopes to the permitted configuration per the roadside ditches (other than curb outlet than the approved approved plan and reestablish vegetation. If as -built or existing swales) configuration. conditions do not allow the slopes to be regraded, 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. Provid or dying. 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 the vegetated and re-establish grass as shown on the approved plans. conveyance. Clogging has occurred. Clean out the outlet device. Dispose of the sediment off -site. The outlet device (if applicable) 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. The receiving water Discharges from the site are causing erosion or Contact the local NCDEQ Regional Office. sedimentation in the receiving water.