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Exhibit B than 20 percent areal cover within the wet meadow ffinge; 4) a * ' of five or more native upland prairie plant species (indicative of the installed native seed mix) must be dominant (see item I for dominance test method) M' the upland seeding location. -D 5) non-native or invasive species must comprise less than 20 percent areal cover within the upland area; 6) all areas, in the wet meadow zone and upland zone must have a Bunn of 90% vegetated cover. If after the end of the third grow m*g season, the vegetation does not meet the performance standards as listed above, inspected and approved by the engineer,, the failing areas will be revegetated or reseeded at the contractor's expense. Any reseeding/revegetating activities must be approved by the engineer prior to installation. , Exotic and invasive weeds shall be shall be controlled a mm'm"tum of 3 times per growing season during the 60 month maintenance period M' the upland areas using an herbicide application. Herbicide products and methods shall be submitted and approved by the engineer prior to execution. Areas where seeding, sodding or plants have not become successfully established or have been choked out by exotic species, are dead, are in an unhealthy or unsightly condition or have been destroyed by herbicide drift shall be replanted/re-seeded at the contractor's, expense. Warranty and maintenance work shall be considered as M'cidental to the project. 104.4, NATIVE PLANT INSTALLATION AND SEEDING (2571/2575) The contractor shall not begin restoration activities prior to providing seed and plant tags to the engineer and receivmg written or verbal approval to proceed. All native seed mixes, shall conform to 1nDOT specification 3876 as amended and described in Technical Memorandum No,. 09-03-ENV-011 for Pure Live Seed requirements, labeling, cleaning, substitutions, and acceptable origin locations. The contractor l"' is responsible for the successful establishment ofnative wetland vegetation within the reconstructed wetland bas M'., The contracto r must provide original seed tags to the engineer prior to installation of the native seed mix. Copies of seed tags or tags from partial bags of seed are not acceptable and will not be eligible for payrwnt for native seed material., Broadcast Seeding.-W-eflands: i Seed' M9 shall occur before hydrology s restored to the wetland. Wetland zones shall be seeded before July I st in the northern half of the state and June I 5th in the southern part of the state. If this timeframe cannot be met, the seeding shall be delayed until a seeding can be done after October 15th in the northern half of the state and November I st in the southern half of the state. Prior to seeding, topsoil shall be loosed to a minimum depth of inches unless there is a 6, risk of erosion. ROSEWOOD WETLAND AND MIDLAND HILLS ROAD DRAINAGE IMPROVEMENTS CITY OF ROSEVILLE PROJECT NO. ST-0843 WSB PROJECT NO. 1797-�02 SPECIAL PROVISIONS Page 100-16