Section 226 Section 226 Spring & Summer Browntop Millet .............. 20 pounds per acre .... April 1 to August 31 Fall & Winter Rye Grass.......................... 25 pounds per acre .... September 1 to March 31 Oats .................................. 90 pounds per acre .... September 1 to December 15 13-13-13 Commercial Fertilizer ..... 250 pounds per acre Vegetative Mulch ........................... 2 tons per acre 226.04--Method of Measurement . Temporary grassing will be measured by the acre. Acceptance will be based on a satisfactory gr owth and coverage of seeds planted.
226.05 Basis of Payment . Temporary grassing, measured as prescribed above, will be
paid for at the contract unit price per acre, which will be full compensation for all required materials, equipment, labor, tes ting and all work necessary to establish a satisfactory growth of grass. Payment will be made under: 226-A: Temporary Grassing - per acre SECTION 227 - HYDROSEEDING 227.0l--Description. This work consists of furnishing, transporting, placing, plant establishment and all work necessary to pro duce a satisfactory and acceptable growth of grass. The seeds, fertilizers, tackifier, and mulch shall be incorporated using the hydroseeding process. These items shall be combined into a mixtur e and force-applied to the areas to be grassed.
227.02 Materials. The Contractor shall, prior to ap plication, furnish the Engineer with
invoices of all materials used in the grassing operation.
227.02.1 Fertilizers . Fertilizers for purposes of these specifications shall be understood
to include standard manufactured products consisting of single or combination ingredients. All fertilizers shall comply with the Stat e fertilizer laws and Subsection 715.02.
227.02.2 Seeds. Seeds shall meet the requirements of Subsection 715.03, subject to the
provisions of this subsection. The Contractor shall acquire seed from persons registered with the MDAC. Except for the germination requirements, bags of seeds properly labeled or tagged according to law and indicating characteristics meeting or exceeding the requirements of Subsection 715.03 will be acceptable for planting. The Contractor should provide adequate dry storage facilities for seeds, and shall furnish access to the storage for sampling stored seed.
227.02.3 Mulching. Mulch shall meet the requirements of Subsection 215.02.1.
227.03 Construction Requirements.
227.03.1 Ground Preparation. Light ground preparation consists of plowing,
loosening, and pulverizing the soil to form suitable beds for seeding items in reasonably close conformity with the established lines and grades without appreciable humps or depressions. Unless otherwise specified, the pulverized and prepared seedbed should be at least four inches deep and shall be reasonably free of large clods, earth balls, boulders, stumps, roots and other objectionable matter. The Engineer may eliminate or alter the requirements for ground preparation due to site conditions.
227.03.2 Fertilizing . The Contractor shall furnish all equipment necessary to properly
handle, store, uniformly spread, and incorpor ate the specified application of fertilizer. The Contractor shall incorporate bag fertilizer at a rate of 1000 pounds per acre of 13-13- 13 commercial fertilizer. The equivalent rate of other type fertilizers will be allowed if the equivalent percentages of Nitrogen, Phosphorus and Potassium are obtained. Any changes in the type or rate of application of the fertilizers shall be approved by the Engineer prior to being incorporated. Agricultural limestone will be incorporated in to the area and paid for in accordance with Section 213 of the Standard Specifications.
227.03.3 Seeding.
227.03.3 1--General. The Contractor shall use the vegetation schedule in the plan for the
correct types of seed and application rates, unless otherwise noted or approved by the Engineer. When a vegetation schedule for permanent grass is not shown in the plans, the following types of seed and application rates shall be used, unless otherwise approved by the Engineer. Bermudagrass ---------------------- 20 pounds per acre Bahiagrass -------------------------- 25 pounds per acre Tall Fescue -------------------------- 15 pounds per acre Crimson Clover -------------------- 20 pounds per acre At the completion of the project, a satisfactor y growth of grass will be required. The Contractor should reference Subsection 210 for satisfactory growth and coverage of dormant seed.
227.03.3 2--Plant Establishment. The Contractor should provide plant establishment on
all areas seeded until release of maintenance. Plant establishment shall consist of preserving, protecting, watering, reseeding, mowing, and other work necessary to keep the seeded areas in satisfactory condition. Plant establishment should be provided for a minimum period of 45 calendar days after completion of seeding. In the event satisfactory growth and coverage has not been attained by the end of the 45-day period, plant establishment should be continued until a satisfactory growth and coverage is provided for at least one kind of plant. The Contractor should reference Section 210 of the Standard Specifications for more information.
227.03.3 3--Growth and Coverage. It shall be the Contractor's responsibility to provide
satisfactory growth and coverage of grasses, legumes, or combination produced from the specified seeding. Growth and coverage on seeded areas will be considered to be in reasonably close conformity with the intent of the contract when the type of vegetation specified, exclusive of that from seeds not expected to have germinated and shows growth at that time, has reached a point of maturity wh ere stems or runners overlap adjacent similar growth in each direction over the entire area. Final acceptance of the project will not be ma de until a satisfactory growth of grass has been acknowledged by the Engineer.
227.03.4 Mulching. At the Contractor’s option, mulch may be wood fiber, cellulose
fiber, a mixture of wood and cellulose fibers, or straw fiber. The mulch shall be applied at the rate recommended by the manufacturer in a mixture of water, seed and fertilizer. Any changes in the rate of application of the mulch shall be approved by the Engineer prior to its use. Placement of mulch shall meet the re quirements of Subsection 215.03.5.
227.04 Method of Measurement . Hydroseeding, complete and accepted, will be
measured by the acre. No separate payment will be made for ground preparation, seeds, fertilizers, or mulch. Accepta nce will be based on a satisfactory growth and coverage of seeds planted. Agricultural limestone shall be measured and paid for under Section 225 of the Standard Specifications.
227.05 Basis of Payment . Hydroseeding, measured as pr escribed above, will be paid
for at the contract unit price per acre, wh ich will be full compensation for all required materials, equipment, labor, testing and a ll work necessary to establish a satisfactory growth of grass. Payment will be made under: 227-A: Hydroseeding - per acre SECTION 228 - EROSION CONTROL BLANKET
228.01 Description . This work consists of furnishing, placing, and maintaining an
Erosion Control Blanket (ECB) of the type speci fied on seeded or ot her designated areas in accordance with the plans and specifications.
228.02 Materials. The erosion control blankets shall be a temporary, organic and/or
inorganic re-vegetative blanket with non-organic, photodegradable or biodegradable