4.7. SR 08-19-2019 - Laserfiche WebLink

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5. Geotextile fabric to wrap prefabricated inlet protection devices. 6. Aggregate to anchor and act as a filter for prefabricated inlet protection devices. 7. Aggregate associated with the construction of temporary sediment traps. 8. Emergency erosion control mobilization. 9. Construction, maintenance and removal of rock construction entrance. 10. Changing the type of inlet protection for different phases of construction. C. No additional payment shall be made for Erosion Control BMP's necessary to accommodate Contractor phasing or work methods including increased quantities,alternative methods,and turf restoration impacts. 1.3 SPECIFICATION REFERENCES A. Mn DOT 2573—Stormwater Management. B. Mn DOT 2574—Soil Preparation C. MnDOT 2575—Establishing Turf and Controlling Erosion D. Mn DOT 1717—Air, Land and Water Pollution E. Section 02920-Turf Restoration of this Project Manual shall apply to Rapid Stabilization. In the absence of Section 02920, MnDOT 2575, method 3 shall apply. F. Unless noted otherwise,the provisions in this section are in addition to the referenced specification. PART 2-- PRODUCTS 2.1 MATERIALS A. Bale checks shall not be used. B. Where type and rate of seed,fertilizer,and mulch are not designated on the plans or elsewhere in the specifications,the MnDOT Seed Mix and Turf Establishment recommendations for the district where the project is located shall apply except that the seeding rate shall be 1.5 times the MnDOT indicated rate. PART 3-- EXECUTION 3.1 GENERAL A. Construction and/or installation of all appropriate erosion&sediment control devices shall be completed prior to any soil disturbing activities. B. Prior to construction,the Contractor shall observe and document the existing storm water outfall system and discharge area. Sediment deposits not documented prior to the construction may be assumed to have originated from the project site and shall be required to remove and dispose of by the Contractor. C. Exit areas and connected roads shall be kept clean of tracking and sediment release from the site.All material shall be cleaned up the sooner of within 24 hours of discovery or the end of each business day. Washing or sweeping of material into the storm sewer system shall not be allowed. 3.2 CONSTRUCTION REQUIREMENTS A. The Contractor shall control drainage,erosion,and sediment on the project including: haul roads, temporary construction,waste disposal sites, plant and storage locations,and borrow pits,other than commercially operated sources. B. If Contractor fails to install, maintain,and/or perform the appropriate erosion and sediment control practices,as determined by the Engineer,the Engineer may issue a written notice to the Contractor. City of Elk River-R13.119052 EROSION&SEDIMENT CONTROL August 2019 PAGE 02370-2 V121417©Bolton&Menk,Inc.2019,All Rights Reserved