TE 3 Landscaping.pdf

TECHNICAL

EXHIBIT 3

LANDSCAPING

SPECIFIC TASKS

AND METHODS

GENERAL

This specification covers the general requirements for the grass seeding and turf repair.

1. MATERIALS:

1.1 SEED: Seed shall be certified seed to be the latest season’s crop and shall be delivered in original sealed packages bearing the producer’s guaranteed analysis for percentages of mixtures and pure live seed. Seed shall be labeled in conformance with U.S. Department of Agriculture rules and regulations under the Federal Seed Act. Seed that has become wet, moldy, or otherwise damaged will not be acceptable.

1.1.1 SEED MIXTURE: Seed with the following minimum percentage by weight of pure live seed shall be furnished.

Seed Type: Kentucky 31 Fescue

1.2 FERTILIZER: Fertilizer shall be commercial grade, free flowing, and uniform in composition and shall bear the manufacturer’s guaranteed statement of analysis. Fertilizer shall contain a minimum percentage of 10 percent nitrogen, 10 percent available phosphoric acid, and 10 percent potash. When a low release nitrogen forms are used in the fertilizer mixture, they shall be derived from sulfur coated urea, urea formaldehyde, plastic or polymer coated prills, or isobuylenediurea.

1.3 MULCH: Mulch shall be straw or hay mulch.

1.3.1 Straw shall be stalks from oats, wheat, rye, barley, or rice that are free from noxious weeds, mold, or other objectionable material. Straw shall be in an air-dry condition.

1.3.2 Hay shall be native hay, sudan-grass hay, brooms edge hay, or other herbaceous mowings, free from noxious weeds, mold, or other objectionable material. Hay shall be in an air –dry condition.

1.4 TOPSOIL: Natural, friable sandy loam or silt loam topsoil, shall be furnished. Topsoil shall be free from roots, stones, and other materials that hinder grading, planting, and manufacturing operations, and free objectionable weed seeds and toxic substances. All topsoil necessary to complete the work shall be furnished by the Contractor from sources off the Government reservations.

2. SUBMITTAL:

2.1 WORK SCHEDULE: The Contractor shall notify the Contracting Officer or COR at least 24 clock hours prior to beginning of work. All work shall be accomplished during normal duty hours, 7:00 a.m. to 4:30 p.m., Monday through Friday, except Federal Holidays, unless otherwise authorized by the Contracting Officer, in accordance with contract.

2.2 Daily Log: The Contractor shall maintain a weekly report (TE-2). A copy of TE-2 shall be filed with the Contracting Officer or COR on a weekly basis on each delivery order as long as work is being accomplished. Failure to submit these reports will release the Government from any obligation to pay for services claimed but not documented by an inspection report.

3. PREPARATION OF GROUND SURFACE:

3.1 GENERAL: Equipment in good condition, shall be provided for the proper preparation of the ground and for handling and placing all materials. A list of equipment to be used by contractor shall be submitted to Contracting Officer or COR for approval within 15 days of notice to proceed.

3.2 GRADING: Previously established grades shall be maintained on the areas to be treated in a true and even condition; necessary repairs shall be made to previously graded areas. Where grades have not been established, the areas shall be graded as show, and all surfaces shall be left in an even and properly compacted condition to prevent formation of depressions. Finished grade shall be such that after subsequent treatment, i.e., tillage, top soiling, and planting, the planting grade will join 1 inch below adjoining surfaced grade or walks, curbs, etc.

4. OBTAINING TOPSOIL: Prior to stripping, rank growth of vegetation’s tones, and debris that might interfere with grading or later tillage operations shall be removed from the topsoil to be used. Where topsoil is made available on areas to be graded, the topsoil shall be removed to the required depth prior to grading operations, and stockpiled separately from other excavated material unless the topsoil is to be disturbed immediately.

5. PLACING TOPSOIL: Topsoil shall have an adjusted PH of 6.5 and shall be distributed uniformly and spread evenly to an average thickness of 3 inches, with a minimum thickness of 2 inches. Topsoil shall be spread so that planting can proceed with little additional soil preparation or tillage. Surface irregularities resulting from top soiling or other operations shall be leveled to prevent depressions. Grade shall be adjusted to assure that planted grade will be 1 inch below adjoining grade of any surfaced area in accordance with the requirements of paragraph 3.2;

Grading. Topsoil shall not be placed where the sub grade is frozen, excessively wet, extremely dry, excessively compacted, or in a condition detrimental to the proposed planting or grading.

Soil compacted by construction equipment or soil on compacted cut slopes or grades shall be pulverized to a minimum depth of 2 inches by disking and plowing before applying topsoil.

4. PLANTING SEED:

7.1 GENERAL: Seed shall be broadcast uniformly by approved sowing equipment at the rate of 3 pounds per 1,000 square feet over a designated area. One half of the seed shall be sown in one direction, and the remainder shall be sown at right angles to the first sowing. The seed shall be covered to an average depth of ¼ inch by means of spike-tooth harrow, cultipaker, or other approved device. Seed shall not be broadcast when winds are above 10 miles per hour.

8. MULCH:

8.1 GENERAL: Mulch shall be spread uniformly in a continuous blanket, using 1 ½ tons per acre.

9. PAYMENT: No separate payment will be made for landscape work (seeding, fertilizer, topsoil, or mulch) and all costs in connection therewith shall be included in the overall cost of the work being performed by delivery order