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GRASSING BY SEEDING & MULCHING 1 ) SCOPE A) The Contractor shall furnish all materials , labor, equipment and supervision required to prepare the soil , fine grade the area and establish a healthy stand of grass by applying seed , fertilizer and mulch by the method in the areas so designated on the Drawings , in areas disturbed by construction under this Contract and/or otherwise specified herein . 2 ) GENERAL A) GENERAL 1 ) As early in the contract as practical the Contractor shall prepare the areas to be grassed and plant them so as to allow time for establishment of a stand of grass prior to end of the Contract Period . Areas to be grassed shall be approved by the Engineer prior to planting . Seeding and mulching will not be permitted when wind velocities exceed 15 miles per hour. No seeding shall be done when the ground is unduly wet or in an untillable condition . i B) EQUIPMENT 1 ) Fertilizer Spreader - The device for spreading dolomitic limestone and fertilizer shall be capable of uniformly distributing the material at the specified rate . 2 ) Seed Spreader - The seed spreader shall be an approved mechanical hand spreader or other approved type of spreader. 3) Mulch Cutting Equipment - The mulching equipment shall be of a type capable of cutting the specified materials uniformly into the soil and to the required depth . 4) Rollers - A traffic roller or other suitable equipment will be required for rolling the grassed j areas . C ) METHODS 1 ) Area Preparation - The ground which into be seeded shall be prepared by thoroughly pulverizing the soil to a depth of 2 to 4 inches . The prepared soil shall be loose and free of large clods , roots and other objectionable material that will interfere with the grassing or maintenance operations . Prior to seeding & mulching , the ground shall have been fine graded to the plan section and reasonably smooth . 2 ) Application of Fertilizer - If there is reason to believe that the soil PH is lower than 5 . 5 , the Contractor shall have the soil tested . If it is below 5 . 0 , the Contractor shall apply sufficient dolomite limestone to bring the PH to between 5 . 0 and 6 . 0 . The fertilizer to be used shall have a chemical designation of 12-8-8 . At least 50 percent of the phosphoric acid shall be from normal supper phosphate having a minimum of two units of sulfur. The fertilizer and/or limestone shall be spread uniformly over the area to be grassed at the rate of 1 , 000 pounds per acre . Immediately after the fertilizer is spread , it shall be mixed with the soil to a depth of approximately four inches . 3) Seeding - While the soil is still loose and moist , the seed shall be scattered uniformly over the area . Unless otherwise directed , the grass seed shall be 20 part Bermuda and 80' parts j Argentine Bahia . The Bahia seed shall be scarified seed having a total germination of 85% . 10 to 20 parts of a quick-growing , noncompetitive grass seed such a millet or Italian rye shall j be included to provide early ground cover. The rate of spread for the permanent-type seed mixture shall be 100 pounds per acre . The rate of spread for the quick growing seed shall be 20 pounds per acre . 4) Mulching - Approximately two inches , loose thickness , of the mulch material shall be applied i uniformly over the seeded area , and the mulch material cut into the soil with the equipment i - SW-5- 1