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r P 16 - ' 6.30,3,3,4,1 1 1 Seed Mixture No. 50 may be applied together with Seed Mixture No. 20 or be over- r seeded when ncw;asery. Seeding shall be done with the selected seed mixture sown at the sp ui&d idle, 630.3.2 Preparation of Seed Bed. Grading, shouldering, topsoiling and fertilizing items, when part of the work under the contract, shall be completed before permanent i . seeding,except that when equipment designed for the purpose is used,the fertilizer and seed mixture may be placed in one operation. The arca to be seeded shall be worked with discs,harrows or other appropriate equip- "� pent until a reasonably even and loose seed bed is obtained immediately in advance of the needing. ' ( 630.3.3 Sowing. Unless otherwise specified, seeds may be sown at the option of the Contractor, by either Method A or Method B described below. f 630.3,3.1 Method A.The selected seed mixture shall be sown by means of ■equipment 1. adapted to the purpose,or it may be scattered uniformly over the areas to be seeded,and lightly raked or dragged to cover the seed with approximately one-fourth inch of soil, I 11 After seeding,the areas shall be lightly rolled or compacted by means of suitable equip- / . r : ment,preferably of the cultipacker type when in the judgement of the engineer the seed- bed is either too loose or contains clods which would reduce the germination of the seed. Slopes steeper than three to one need not be rolled. 1 Scattering seed by hand shall be done only with satisfactory hand seeders arid only at I' Y such times when the air is sufficiently quiet to prevent seeds from blowing away. ; i i 630.3.3.2 Method B.Upon the prepared seed bed,the seed shall be sown or spread by I! means of a stream or spray ot'water under pressure operated from an approved type of l l; machine designed for that purpose.The selected seed mixture and water shall.be r into a tank, provided within the machine,in sufficient quantities that when the Contend l ' . ' t • of the tank are sprayed on a given area the seed will he uniformly spread at the required , ! ;' , rate of application. During the process the contents of the tank shall be kept stirred or lr I ;; agitated to provide uniform distribution of the seed, The contents of the tank shalll be emptied within two hours after the seed is added to the tank. Seed which is allowed to I' ' t remain mixed with the water for longer than two hours shall be rejected. Draggi " �ng or rolling will not be required. i; 1' 7 630.3.3.3 Borrow Pits and Waste Areas.Borrow pits,and waste areas off the right-ot- way,shall be seeded with the selected seed mixture permitted in Subsection 630.2.1.5.2.1. ,. , •Selection of such seed mixture shall be made in consultation with the landowner or his I ' agent. In the event the landowner does not want the pit or waste area seeded or seeded t with any of the permitted mixtures,no payment will be made for fertilization or seeding €' at such areas. o •■ 630.3.3.4 Seeding Rates. ' i f 630.3.3.4.1 Right-of--Way.The sowing rate for sods,in pounds per 1000 square feet of area,shall be as follows: Seed Mixture No. 10 at 1-1/2 pounds Seed Mixture No. 20 at 3 pounds i Seed Mixture No. 30 at 2 pounds Seed Mixture No, 40 at 2 pounds Seed Mixture No. 50 at 1/2 pound Seed Mixture No. 60 at 1-1/2 pounds(equivalent) ?' Seed Mixture No, 70 at 3 pounds(equivalent) i. Seeding,Temporary at 3 pounds i 479 .I. i . 1 t I 1