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HomeMy WebLinkAboutSW6240607_O&M Agreement/Plan_20240830 Operation & Maintenance Agreement Project Name: Rolling Springs Section 9 Project Location: Harnett County, 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&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 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: William S.Wellons,Jr. Title&Organization: President-Wellco Contractors, Inc. Street address: 511 Highway 210 North City, state, zip: Spring Lake, North Carolina 28390 Phone number(s): 910-436-3131 Email: billy©wswellonsrealty.com Signature: — 71 KJ tiX-,'1/1 Date: '9/4 I, I\\ I Y V a'- , a Notary Public for the State of N1,0441 C ��' ` County of `l:.hd , do hereby certify that WI tha, r l S. WC.1,,OAS) `,1 7-:— personally appeared before me this 11 - day of Ma , 2 02_Li and acknowledge the due execution of the perati9rrs ip ai en 6)Agre ment . Witness my hand and official seal, . Y WEST 011-1 _,:lo Notar PNANCublic,n County KAYNorthCarolinaySampsodrs-" My Commission Expires t.4A"- March 27,2027 Seal My commission expires 3i 2,7 1 Z7 STORM-EZ 5/15/2024 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 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 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. SCM element: Potential problem: How to remediate the problem: Vegetation is too short Maintain grassed vegetation such that the swale or Vegetation or too long. vegetated area does not erode during the peak flow from the 10-year storm I I dJI I/UCIJI lb lb Remove the trash/debris. Regrade the soil if necessary to remove the gully, and Areas of bare soil and/or erosive gullies then re-sod (or plant with other appropriate species) Vegetated receiving and water until established. Provide lime and a one- have formed. areas time fertilizer application. 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 Regrade the soil if necessary to remove the gully, and and/or erosive gullies then re-sod (or plant with other appropriate species) formed. and water until established. Provide lime and a one- have time fertilizer application. Sediment covers the grass at the bottom of Remove sediment and dispose in an area that will not Vegetated impact streams or SCMs. Re-sod if necessary. conveyances/ the swale. swales/roadside The side slope is Regrade the slopes to the permitted configuration per 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, hydrology, disease, etc. Remedy the problem and diseased or dying. replace plants. Provide a one-time fertilizer application to establish the ground cover if necessary. -trees 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 vegetated 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 Repair the damage and improve the flow dissipation of damage have structure. occurred at the outlet. The receiving water Discharges from the site are causing erosion or Contact the local NCDEQ Regional Office. sedimentation in the receiving water.