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03/09/00 <br />2.04 MULCH <br />A. Straw Mulch: <br />1. Delivered and stored to be kept dry. <br />2. Mulch shall conform to MNDot Specification 3882, Type 7B <br />PART 3 - EXECUTION <br />3.01 INSPECTION <br />A. Verify that soil preparation and related preceding work ha�e been completed. <br />3.02 SITE PREPARATION FORNATIVE GRASS/WILDFLOWER SEEDING <br />A. Prior to beginning exca�ation activities for this project, e�sting vegetation within the properry <br />boundaries should be treated with a tank mix of RoundUp� Herbicide at a rate of 5 pints per <br />acre and Ammonium Sulfate at 3 IbsJacre to eliminate exotic competition. In lowland areas or <br />any area that may negatively affect an e�sting wetland community through the use of this <br />herbicide mixture shall be sprayed with Rodeo@ herbicide at the manufacturer's recommended <br />rate. This work shall be done as soon as e�sting vegetation begins active growth, in the spring <br />of the season around May 15. After treatment wait seven days before excavation and <br />construction activities begin. <br />B. Following the completion of final grade wark and prior to seeding, clear, any growth of <br />volunteer weeds within the seeding areas with a solution of RoundUp� Herbicide at 3 pints per <br />acre and Ammonium Sulfate at 31bsJecre. . In lowland areas or any area that may negatively <br />affect an e�sting wetland community through the use of this herbicide mixture shall be sprayed <br />with Rodeo@ herbicide at the manufacturer's recommended rate. Following the spray <br />application wait a minimum of 7 days before disturbing the site with other procedures. <br />C. All holes, depressions and rivulets shall be filled in and brought to a smooth finish grade. <br />D. The areas to be seeded shall be worked with a tillage implement (disk, field cultivator, pre- <br />seeder) to a depth of 4 inches. Tillage should be followed by packing or harrowing to create a <br />firm fine textured seed-bed. <br />3 .03 SEEDING <br />A. Native plant community seedings during two periods of the year. The first is spring from the <br />time site preparation work is concluded in the spring, until approximately July 20. In the fall <br />dormant seeding between September 20 and Freeze-up. Dormant seedings do not germinate <br />until the following growing season when soil temperatures reach approximately 65 degrees F. If <br />the final grade wark is completed during a period of time between July 20 and September 20, a <br />temporary cover crop of oats or winter wheat should be sown to stabilize the site until an <br />acceptable time arrives when native grasses and wildflowers can be safely seeded. <br />B. All native grass seed should be sown using a Truax � Native Grass Drill. In areas too tight for <br />equipment, grass seed can be broadcast by hand or with a mechanical spreader. <br />NATIVE GRASSES & WILDFLOWERS 02935-3 <br />