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<br />e <br /> <br />e <br /> <br />3.5 DRY APPLICATION <br /> <br />A. Spread fertilizer evenly and uniformly. Incorporate fertilizer by disking, <br />raking or harrowing into the seedbed prior to seeding. <br />B. Seeding. <br />1. Plant seed with a broadcast seeder or a culti-packer seeder. Plant <br />grass seed no deeper than 1/4 inch, with the distance between rows of <br />12 inches or less. Distribute seed uniformly. <br />2. Roll the planted seedbed with a culti-packer immediately after seeding <br />and prior to applying mulch cover. <br />3. Seed may be broadcast by hand for small areas or areas inaccessible <br />to seeding equipment, as approved by the Engineer. Areas seeded by <br />hand shall be rolled or lightly compacted, if possible. <br />C. Mulching. <br />1. Spread straw or hay mulch to seeded areas with a slope steeper than <br />6H:1V immediately after application of seed. <br />2. Apply straw or hay mulch at a rate per acre to create a uniform mat of <br />coverage a minimum of 1/2 inch thick to protect the seedbed. <br />3. Secure straw or hay mulch with hydromulch or other approved <br />methods. <br />a. Apply a hydromulch, consisting of an homogeneous aqueous <br />mixture of recycled paper fiber, water and tackifier, to achieve a <br />rate of 1,000 pounds of paper fiber mulch per acre over the straw <br />mulch. Apply guar gum tackifier at a minimum rate of 50 pounds <br />(dry weight) per acre. <br />b. Application rate for other tackifier/soil binder compounds shall be in <br />accordance with manufacturer's recommendations and approved <br />by the Engineer. <br /> <br />3.6 HYDROSEEDING WITH MULCH <br /> <br />A. Hydroseeding with mulch is the application of an homogeneous aqueous <br />mixture of seed, water, fertilizer, dye, wood fiber mulch and tackifier/soil <br />binder to the seedbed. <br />B. Add completely water soluble fertilizer to the aqueous mixture no more <br />than 30 minutes prior to application to prevent damage to the seed. <br />C. Apply guar gum tackifier at a minimum rate of 50 pounds (dry weight) per <br />acre. <br />D. Apply wood fiber mulch at a rate of 2,000 pounds (dry weight) per acre. <br />E. Application rate for other tackifier/soil binder compounds shall be in <br />accordance with manufacturer's recommendations and approved by the <br />Engineer. <br /> <br />3.7 OVERSEEDING <br /> <br />A. Overseeding is the broadcast application of seed (per Seed Plan 4, 5 or 6) <br />2/29/2000 <br />Harris County Flood Control District <br />Turf Establishment 02921 - 4/5 Standard Specifications <br />