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Multifamily Development 1425 & 1475 Orchard Park Road West Seneca, NY 14224 Page 3 of 4 5/26/2026 See Appendix D for Storm Water Calculations Section 5 – Erosion Control Summary Stabilization Practices Stabilization practices for this site include: A. Land clearing activities shall be done only in areas where earthwork will be performed and shall progress as earthwork is needed. B. Use of stabilization fabric for all slopes having a slope greater than 1V:3H. C. Permanent seeding and planting of all unpaved areas using the hydromulching grass seeding technique. D. Mulching exposed areas. E. Frequent watering to minimize wind erosion during construction. Structural Practices Structural practices for this site include: A. Inlet protection using a method detailed in the Construction Documents B. Perimeter protection using temporary silt fence C. Temporary stone wash off areas Sequence of Major Activities The Contractor will be responsible for implementing the following erosion control and storm water management control measures. The Contractor may designate these tasks to certain subcontractors as he sees fit, but the ultimate responsibility for implementing these controls and ensuring their proper functioning remains with the Contractor. The order of activities will be as follows: A. Construct temporary construction exit at location shown on the Demo & Erosion Control Plan Sheet. B. Install perimeter silt fences in the locations shown on the Demo & Erosion Control Plan sheet. C. Clear and grub site within disturbance (silt fence) limits. D. Installation of detention basin to act as sediment basin (do not install bioretention soil or underdrains until stabilized) E. Commence site grading. F. Disturbed areas of the site where construction activity has ceased for more than 14 days shall be temporarily seeded and watered. G. Construction of buildings. H. Installation of proposed utilities. I. Finalize pavement subgrade preparation. J. Construct all curb, drainage inlets, storm sewer pipes and storm sewer manholes, as shown on the plans. Install temporary inlet protection at the locations of all new inlets. K. Dust control. L. Remove inlet protection around inlets and manholes no more than 48 hours prior to placing stabilized base course. M. Install base material as required for pavement. N. Carry out final grading and seeding and planting. O. Clean storm system following construction. P. Remove silt fencing only after all paving is complete and exposed surfaces are stabilized. Page 470 of 849