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HomeMy WebLinkAboutSW3220201_O&M Agreement_Plan_20220425Operation & Maintenance Agreement Project Name: Frank Liske Park Barn Project Location: 4001 Stough Rd. Concord, NC 28027 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: ing O&M sheets will be added 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: Ve etate 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): Email: Signature: Kyle Bilafer General Services Director 65 Church Street South Concord, NC 28025 7043059723 rk—dbilafer@cabarruscounty.us Sign & Date Date: - U a , •� � t-�u , , a Notary Public for the State of N A, County of "krrm-S do hereby certify that e, personally appeared before me this day of ��p�a c pt� �- and acknowledge the due execution of the Op r ions and Mainte nce Agreement . Witness my hand and official seal, %%y,,,+, NpTq gG0 0 �>,o = 4Notarize �971 •2 Seal My commission expires STORM-EZ Version 1.5 O&M Agreement 2/2r2o22 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 After the initial fertilization to establish the grass in the vegetated conveyance or the vegetated receiving area, fertilizer wi€I not be applied to the vegetated receiving 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. ,ection activities shall be performed as follows. Any problems that are found shall be repaired immediately. 5CM element: Potential problem: How to remediate the problem: Maintain grassed vegetation such that the swale or Vegetation Vegetation is too short vegetated area does not erode during the peak flow or too long. from the 10-year storm Remove the trash/debris. Areas of bare soil egra e e soili necessary o remove a gully, an then re -sod (or plant with other appropriate species) Vegetated receiving and/or erosive gullies and water until established. Provide lime and a one - areas have formed. time fertilizer apvlication. Trees and/or other Remove the trees and woody vegetation from the woody vegetation are Swale, regrade the swale if necessary and re-establish present in the swale. grass as shown on the approved plans. Trash/debris is Remove the trash/debris. present. Areas of bare soil egra e the soil if necessary to remove the guily, an then re -sod (or plant with other appropriate species) and/or erosive gullies and water until established. Provide lime and a one- have formed. time fert€lizer application. Sediment covers the Remove sediment and dispose in an area that will not grass at the bottom of Vegetated impact streams or SCMs. Re -sod if necessary. conveyances f the swale. The side slope is Regrade the slopes to the permitted configuration per swales ! roadside ditches (other than steeper than the the approved plan and reestablish vegetation. If as - curb outlet swales) approved built or existing conditions do not allow the slopes to configuration. be regraded, contact the applicable permitting Determine the source of the problem: soils, Grass is dead, hydrofogy, disease, etc. Remedy the problem and diseased or dying. replace plants. Provide a one-time fertilizer application to establish the ground cover if necessary. rees and/or other Remove the trees and woody vegetation from the woody vegetation are vegetated conveyance, regrade the vegetated present in the conveyance if necessary and re-establish grass as ve etated shown on the approved plans. Clogging has Clean out the outlet device. Dispose of the sediment occurred. off -site. The outlet device (if applicable) The outlet device is damaged Repair or replace the outlet device. Erosion or other signs of damage have Repair the damage and improve the flow dissipation occurred at the outlet. structure. The receiving water Discharges from the site are causing erosion or Contact the local NCDEQ Regional Office. sedimentation in the receivin water.