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HomeMy WebLinkAboutSW4230101_O&M Agreement/Plan_20230510%-iNer atioll at Indi[>I> ilitflue JAgfevrllefix Project Name: EM Holt Elementary School On -site Queuing Improvements Project Location: 4751 NC-62, Burlington, NC 27215 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. iy 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). ie SCM(s) on this project include (check all that apply & col 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 v 0 v 0 0 0 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: acknowledge and agree by my signature below that I am responsible for the performance of the maintenance procedures listed for ich 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: Title & Organization: Street address: City, state, zip: Phone number(s): Email: Jimmy Russell Project Manager - Alamance-Burlington School System 1712 Vaughn Road Burlington, NC, 27217 336-263-6184 j1immy_russell@a1bss.k12.nc.us Signature: Date: a Notary Public for the State of pz�'U� aunty of * Q , do hereby certify that r ;rsonally appeared before me this 2 day of �Q and ;knowledge the due execution of the Operations and Maintenance Agreemen . 'itness my hand and official seal, L,-R— Sue F. Longe Notary Public Randolph County North Carolina gal My commission expires �� _ 2-0 Z 3 ORM-EZ 5/2/2C 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. ie vegetated conveyance or vegetated receiving area will be inspected quarterly. Records of operation and aintenance 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. 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 - erosive gullies have sod (or plant with other appropriate species) and water until egetated receiving formed. established. Provide lime and a one-time fertilizer application. •eas 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 - 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 Remove sediment and dispose in an area that will not impact agetated conveyances / at the bottom of the swale. streams or SCMs. Re -sod if necessary. males / 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 males) than the approved conditions do not allow the slopes to be regraded, contact the configuration. applicable permitting agency. Determine the source of the problem: soils, hydrology, disease, Grass is dead, diseased or etc. Remedy the problem and replace plants. Provide a one - dying. 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. The longitudinal slope Regrade to meet the permitted longitudinal slope as shown on exceeds 5%. (the approved plans. urb outlet swales or `The swale profile does not jRegrade the swale to the approved profile as shown on the :getated areas (match the approved detail. approved plans. The length of the swale or I Extend the swale to achieve the 100-foot minimum length. If as - vegetated area is less than built or existing conditions do not allow the slopes to be regraded, 100 feet. contact the applicable permitting agency. Clogging has occurred. IClean out the outlet device. Dispose of the sediment off -site. he outlet device (if 3plicable) he receiving water The outlet device is I Repair or replace the outlet device. damaged Erosion or other signs of damage have occurred at the outlet. Discharges from the site are causing erosion or sedimentation in the receiving water. Repair the damage and improve the flow dissipation structure. Contact the local NCDEQ Regional Office.