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HomeMy WebLinkAboutNCC213908_ESC Approval Submitted (2)_202107024/28/2021 Mitch Barron Dan Ryan Builders 3000 RDU Center Dr., Suite 202 Morrisville, NC 27560 Project: Trinity Creek Phase 4 Property Reference: 06939614491 River Basin: Cape Fear FIRM: Environmental Development Permit Number: 11-2021 Project Number: Disturbed Acreage: 19.65 To: Mitch Barron The Town of Holly Springs, Department of Engineering has reviewed the development plan and supporting information for the subject project and found the plan acceptable to meet the requirements outlined in Chapter 8 Article II. Soil Erosion Sedimentation Control, Stream Wetland Protection, Land Disturbance, Article III. Flood Damage Prevention, and Article V. NPDES Phase II Post -Construction Stormwater of the Holly Springs, NC Code of Ordinances with the conditions of plan approval identified below. Conditions of plan approval: As noted on approved plan set Required Field Meetings and Inspections: Certificate of Compliance Inspection: A Certificate of Compliance (COC) for installation of Erosion Control is required prior to starting clearing, grubbing, grading, installation of utilities and building permit activities. Prior to issuance of the COC you can only clear what is needed to install erosion control measures. A PE Certification shall be required prior to issuance of the COC for all projects where the temporary sediment basin will be converted to a permanent Stormwater Control Measures (SCMs). Stream Crossing Meetings: An onsite meeting is required prior to starting construction at a crossing of a stream or wetland area that has a 404 Permit and 401 Certification to verify that limits of disturbance and erosion control has been installed per the approved plan and to discuss sequencing, bypass channel installation, or pump -around procedures. Environmental Preconstruction Meeting: Meeting to discuss the construction sequencing of the SCMs or conversion from temporary erosion control devices to the permanent SCMs. BMP Punchlist Inspections: A punchlist inspection for all SCMs will be required prior to beginning of the Performance Monitoring Period (PMP). A punchlist inspection will also be required prior to the transition of long-term Operations and Maintenance (OM) at the end of PMP. Whenever possible, this punchlist inspection will coincide with the punchlist inspection for the infrastructure of the site or phase. Certificate of Completion: To verify that all temporary erosion control measures have been removed and that all permanent erosion control measures and stabilization has been completed per the approved plan. Documentation Required Prior to the end of the PMP: • Stormwater OM Manual must be updated to reflect as -built conditions and recorded with Wake County Register of Deeds. • Homeowner Education Packet must be finalized and Recorded at the Wake County Register of Deeds. • All applicable access and drainage easements must be shown on a plat and recorded with Wake County Register of Deeds. • Digital and mylar stormwater as -built drawings and PE Certifications for each SCM must be received. • Digital and paper copies of the as -built flood study and any FEMA or State Floodplain Mapping Approvals must be submitted to the Town for our records. • Maintenance Sureties must be established and cash payment made to the Stormwater Facility Replacement Fund in the amount of 35% of the actual construction cost of the SCM(s). This letter gives the notice of our right to periodically inspect the jobsite to insure compliance with the approved plan as outlined in the Chapter 8 of the Holly Springs, NC Code of Ordinances. The Town of Holly Springs Erosion and Sediment Control Program is performance -oriented, requiring protection of existing natural resources and adjoining properties. If, following the commencement of this project, the erosion and sedimentation control plan is inadequate to meet the requirements of the Town, revisions to the plan may be required to insure compliance with the ordinance. A copy of the approved plan shall be on file at the job site. Be aware that your project will be covered by the NPDES General Stormwater Permit NCGO10000 (Construction Activities). A copy of this permit will be distributed and discussed at the preconstruction conference. In addition, you are also required to meet the Self Inspections Requirements as outlined by NCGS 113A-54.1. The State's Combined Self -Monitoring and Self - Inspection Form shall be used to document the report. These reports shall be kept on site with the Environmental Development Permit, Approved Plans and NPDES log book. A copy of the approved plan shall be on file at the job site. Be aware that your project will be covered by the NPDES General Stormwater Permit NCGO 10000 (Construction Activities). A copy of this permit will be distributed and discussed at the preconstruction conference. In addition, you are also required to meet the Self Inspections Requirements as outlined by NCGS 113A-54.1. The State's Combined Self -Monitoring and Self - Inspection Form shall be used to document the report. These reports shall be kept on site with the Environmental Development Permit, Approved Plans and NPDES log book. This plan approval expires if work does not begin within one year of the date of this letter. The Environmental Development Permit expires with the expiration of the approved plan. Acceptance and approval of this plan is conditioned upon your compliance with Federal, State, and Local water quality laws, regulations, and rules. This approval does not supersede any other permit or approval. Please note that this approval is based in part on the accuracy of the information provided in the application for plan review including the Financial Responsible Party information that you provided. You are required to file an amended form if there are any changes in the information included on the form. Note that a revised or new erosion control plan will be required for residential lot construction if the builder(s) are different than the Financial Responsible Party provided on the application. Before any land disturbing activity can begin you or your agent must sign the Environmental Development Permit before it is issued to acknowledge in writing that you have read this letter, understand its requirements and implications, and are prepared to ensure that you, your contractors, agents, etc. will observe these requirements. The establishment of financial sureties in the amount of 125% estimated construction cost (Performance Surety) 35% actual cost of construction (Maintenance Surety) for the structural SCMs on site will be required. Performance Sureties are required prior to the preconstruction meeting for sites and prior to platting for subdivisions. Maintenance sureties are required at the end of the Performance Monitoring Period, which typically lasts one year after the completion of the SCM(s). Failure to appeal these conditions in writing within 15 days after receipt of this letter or initiation of land -disturbing activity signifies your acceptance of the approved plan and condition of approval and your intention to observe and implement the conditions. We look forward to working with you toward the successful completion of this project. If you have questions about this letter or project, do not hesitate to contact me at (919) 557- 3938 or via email at Kendra.parrish@hollyspringsnc.us Sincerely, Kendra D. Parrish, PE, CFM Director of Engineering cc: Environmental Specialist Erosion Control Inspector Design Professional Attendees at Pre -Construction Conference Environmental project file paper/electronic/correspondence