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    SECTION 02900

   LANDSCAPING

   PART 1 — GENERAL

   1.01 Description

   A. Scope:

   1. CONTRACTOR shall furnish all labor, materials and incidentals required to provide landscaping as shown and specified.

   2. The extent of the landscaping work shall be all unpaved areas on the plant site to limits of areas cleared and areas damaged by the CONTRACTOR'S operations.

   3. The types of landscaping required include the following.

   a. Topsoil stockpiled for reuse under Section 02100, Clearing.

   b. Seeded areas.

   c. Mulch.

   d. Maintenance until completion of contract.

   e. Fertilizers.

   f. Guarantees.

   B. Coordination: Review installation procedures under other Sections and coordinate the installations of items that must be installed with the landscaping.

   C. Related Work Specified Elsewhere:

   1. Section 02100, Clearing.

   2. Section 02200, Excacation and Backfill.

   1.02 Quality Assurance

   A. Landscape Subcontractor Qualifications: Employ only experienced personnel who are familiar with the required work. Provide adequate supervision by a qualified foreman.

   B. Source Quality Control:

   1. General: Ship landscape materials with certificates of inspection as required by governmental authorities. Comply with governing regulations of the U.S. Department of Agriculture, Circular No. 156 applicable to landscape materials.

   2. Analysis and Standards: Package standard products with manufacturer's certified analysis. For other materials, provide analysis by recognized laboratory made in accordance with methods established by the Association of Official Analytical Chemists, wherever applicable or as further specified.

   C. Reference Standards: Comply with applicable provisions and recommendations of the following, except where otherwise shown or specified:

   1. Association of Official Analytical Chemists, Official Methods of Analysis.

   2. American Joint Committee on Horticultural Nomenclature, Standardized Plant Names.

   3. ASTM C 602, Agricultural Liming Materials.

   4. ASTM D 2487, Classification of Soils for Engineering Purposes.

   5. FSO-F-241D, Fertilizer, Mixed, Commercial.

   6. FSO-P-166E, Peat Moss; Peat, Humus; and Peat. Reed-sedge.

   7. Official Seed Analysists of North America, Standards of Quality.

   1.03 Submittals

   A. Shop Drawings: Submit for approval the following:

   1. Planting schedule for landscape installation showing scheduled planting dates for each type of seed.

   2. Manufacturer's specifications and installation instructions for all materials required.

   B. Certificates: Submit for approval the following:

   1. Certificates of inspection as may be required by governmental authorities to accompany shipments, and manufacturer's or vendors certified analysis for soil amendments and fertilizer materials. For standard products submit other data substantiating that materials comply with specified requirements.

   2. Certificates from seed vendors for each seed mixture required, stating botanical and common name, percentage by weight and percentages of purity, germination, and weed seed for each species.

   1.04 Product Delivery, Storage and Handling

   A. Delivery of Materials: Do not deliver seed until site conditions are ready for planting.

   1. Deliver packaged materials in containers showing weight, analysis and name of manufacturer. Protect materials from deterioration during delivery.

   2. Furnish seed in sealed, standard containers.

   3. Notify ENGINEER of delivery schedule in advance so landscape material may be inspected upon arrival at job site.

   4. Remove unacceptable material immediately from job site.

   B. Storage of Materials:

   1. Store and cover materials to prevent deterioration. Remove packaged materials which have become wet or show deterioration or water marks from the site.

   2. Seed that is wet or moldy or that has been otherwise damaged in transit or storage is not acceptable. Replace at no further cost to OWNER.

   1.05 Job Conditions

   A. Environmental Requirements:

   1. Proceed with and complete the work as rapidly as portions of the site become available, working within the seasonal limitations for each type of material required.

   2. Do not spread seed when wind velocity exceeds 5 miles per hour.

   B. Scheduling: Plant or install materials only during normal planting seasons. Correlate planting with specified maintenance periods to provide maintenance until occupancy by the OWNER.

   1.06 Alternatives

   Do not make substitutions. If specified landscape material is not obtainable, submit to ENGINEER proof of non-availability and proposal for use of equivalent material.

   1.07 Guarantee

   Guarantee turf through the specified maintenance period, and until final acceptance of the Work.

   PART 2 — PRODUCTS

   2.01 Materials

   A. Topsoil:

   1. Fertile, friable, natural loam, surface soil, capable of sustaining vigorous plant growth, free of any admixture of subsoil, clods of hard earth, plants or roots, pests or pests larvae, sticks or other extraneous material harmful to plant growth.

   2. Organic content shall not be less than 5 percent, as determined by ignition loss.

   B. Grass Materials:

   1. Grass Seed Mixture: Provide fresh, clean, new-crop seed complying with the tolerance for purity and germination established by the Official Seed Analysts of North America. Provide seed of the grass species, proportions and minimum percentages of purity, germination, and maximum percentage of weed seed, as specified.

   2. The "Schedule of Grass Seed Requirements" is as follows:

   Name of Grass

   Purity

   Germination

   Application

   March 1 to Sept. 15

   Per Acre

   Sept. 15 to March 1

   Common Bermuda Grass

   95%

   90%

   30 lbs (hulled)

   30 lbs

   Rye

   95%

   90%

   --

   15 lbs

   Kentucky Fescue

   95%

   80%

   10 lbs

   --

   Crimson Clover

   98%

   85%

   20 lbs

   10 lbs

   White Clover

   95%

   90%

   5 lbs

   10 lbs

   C. Sod:

   1. Required where shown on plans or directed by ENGINEER.

   2. Type: Centipede sod.

   D. Shrubs:

   1. Required where shown on plans or directed by ENGINEER.

   2. Type: Five gallon boxwood shrubs.

   E. Soil Amendments: Lime: Natural limestone containing not less than 85 percent of total carbonates, ground so that not less than 90 percent passes a 10-mesh sieve and not less than 50 percent passes a 100-mesh sieve.

   F. Fertilizers:

   1. Commercial Fertilizer: Complete fertilizer of neutral character, with a minimum of 75 percent nitrogen derived from natural organic sources or urea form; 40-50 percent of the nitrogen shall be water soluble. Available phosphoric acid derived from superphosphate, bone, or tankage. Potash derived from muriate of potash, containing 60 percent potash. Uniform in composition, free flowing and suitable for application with approved equipment.

   2. Provide the following types of fertilizers:

   a. Combination Fertilizer: Minimum chemical analysis of nitrogen, phosphorus and potash of 8-24-24.

   b. Manufactured Fertilizer: Ammonium nitrate having a minimum chemical analysis of nitrogen, phosphorus and potash of 33-0-0.

   G. Mulch: Anti-Erosion Mulch: Provide clean, seed-free salt hay or threshed straw of wheat, rye, oats or barley, free from noxious weeds. Materials which are low grade and unfit for farm use such as "U.S. Sample Grade" are acceptable.

   H. Water: Potable.

   PART 3 — EXECUTION

   3.01 Inspection

   CONTRACTOR and his installer must examine the topsoil, verify the elevations, and depth of topsoil, observe the conditions under which work is to be performed, and notify the ENGINEER of unsatisfactory conditions. Do not proceed with the Work until unsatisfactory conditions have been corrected in a manner acceptable to ENGINEER.

   3.02 Soil Preparation

   A. Apply ground limestone, by machine, over all areas to receive seed, as required, to bring the soil to a neutral pH. Work lightly into the top 3 inches of topsoil at least five days before applying the commercial fertilizers.

   B. Apply combination fertilizer (8-24-24) by machine; over areas to receive turf at a rate of 350 pounds per acre.

   C. Apply commercial fertilizers within 10 days of planting.

   D. Thoroughly and evenly incorporate combination fertilizer (8-24-24) with the soil to depth of 3 inches by discing, or other approved method.

   1. In areas inaccessible to power equipment, use hand tools.

   2. Adjacent to existing trees, adjust depth to avoid disturbing roots.

   E. Grade planting areas to smooth, even surface with loose, uniformly fine texture. Remove all stones and extraneous foreign material in excess of 1-inch diameter. Roll and rake and remove ridges and fill depressions, as required to meet finish grades. Limit fine grading to areas which can be planted immediately after grading.

   F. Moisten prepared planting areas before seeding if soil is dry. Water thoroughly and allow surface moisture to dry before planting. Do not create a muddy soil condition.

   G. Restore planting areas to specified condition if eroded or otherwise disturbed after fine grading and prior to seeding.

   3.03 Installation

   A. General: Maintain grade stakes until removal is mutually agreed upon by all parties concerned.

   B. Seeding:

   1. Sow seed using a spreader or seeding machine.

   2. Distribute seed evenly over entire area by sowing equal quantity in 2 directions at right angles to each other.

   3. Sow not less than the quantity of seed specified.

   4. Cultipacker, or approved similar equipment, may be used to cover the seed and to firm the seedbed in one operation. In areas inaccessible to cultipacker:

   a. Rake the seed lightly into top 1/8 inch of soil, roll in two directions with a water ballast roller, weighing not less than 100 pounds per linear foot.

   b. Take care during raking that seed is not raked from one spot to another.

   5. Protect seeded areas against erosion by spreading specified lawn mulch after completion of seeding operations.

   a. Spread anti-erosion mulch at a rate of 1-1/2 tons per acre to form a continuous blanket over seeded areas.

   b. Place mulch with equipment that will punch controlled quantities of the mulch in a uniform pattern over the specified area. A mulch stabilizer shall be used, consisting of dull blades or disks without camber and approximately 20 inches in diameter. A farm disk will not be allowed as a replacement for a mulch stabilizer.

   6. Do not leave seeded areas unmulched for longer than 3 days. Reseed areas which remain without mulch for longer than 3 days.

   7. Prevent damage or staining of construction or other plantings adjacent to mulched areas.

   8. Prevent foot or vehicular traffic, or the movement of equipment, over the mulched area. Reseed areas damaged as a result of such activity.

   9. Water seeded areas thoroughly with a fine spray.

   C. Reconditioning Existing Turf:

   1. Recondition existing turf areas damaged by CONTRACTOR'S operations including storage of materials or equipment and movement of vehicles. Also recondition existing turf areas where minor regrading is required.

   2. Water newly planted areas and keep moist until new turf is established.

   3.04 Maintenance

   A. Begin maintenance immediately after planting.

   B. Maintain turf for not less than 60 days and longer as required to establish an acceptable stand, as determined by the ENGINEER.

   C. Maintain turf by watering, fertilizing, weeding, mowing, trimming and other operations such as rolling regrading and replanting as required to establish smooth, acceptable turf, free of eroded or bare areas.

   1. Cutting Height: Mow turf as soon as there is enough top growth to cut with mower set at the specified height for the principal species planted. Repeat mowing as required to maintain specified height. Do not remove more than 1/3 of grass height. Do not mow when grass is wet. Time initial and subsequent mowings as required to maintain grass at 1-1/2-inch to 2-inch height. Do not mow lower than 1-1/2 inches.

   2. Apply manufactured fertilizer eight weeks after germination at a rate of 100 pounds ammonium nitrate per acre.

   3. After grass has started, reseed repeatedly all areas greater than 8 inches square which fail to show a uniform stand of grass for any reason whatsoever until all areas are covered with a satisfactory stand of grass is achieved, as determined by the ENGINEER.

   D. Watering: Provide and maintain temporary piping hoses and watering equipment as required to convey water from water sources and to keep turf areas uniformly moist as required for proper growth.

   3.05 Clean-up and Protection

   A. During landscape work, store materials and equipment where directed. Keep pavements clean and work area in an orderly condition.

   B. Protect landscape work and materials from damage due to operations by other contractors and trades and trespassers. Maintain protection during installation and maintenance periods. Treat, repair or replace damaged turf work as directed.

   C. Remove all rubbish, equipment and rejected materials from the site.

   D. Protection includes all temporary fences, barriers and signs and other work incidental to proper maintenance.

   3.06 Inspection and Acceptance

   A. When the landscape work is completed, including maintenance, the ENGINEER will make an inspection to determine acceptability.

   B. Seeded turf will be acceptable provided all requirements, including maintenance, have been complied with, and a healthy, uniform, close stand of the specified grass is established, free of weeds, bare spots and surface irregularities.

   C. Where inspected landscape work does not comply with the requirements, replace rejected work and continue specified maintenance until reinspected by the ENGINEER and found to be acceptable. Remove rejected plants and materials promptly from the Project site.

    ** END OF SECTION **

Rembco Geotechnical Contractors specializes in slope stabilization, foundation repair and support, shoring, grouting, soil nails, micropile installations, and sinkholes. We are experienced in these applications: micro piles, sinkhole repair, permeation grouting, pressure grouting, soil nails, chemical grouting, micropiles, compaction grout, rock anchors and compaction piles. Our specialties are rock anchor, chemical and compaction grouting, mini piles, sinkhole repair, micropiles, and soil nailing. We use a problem-solving approach in the geotechnical portions of buildings, bridges, water plants, sewage plants, tunnels, sinkholes, caisson, and roads. Rembco techniques apply when adding new real estate structures: especially rock anchor, microfine grouting, soil nailing, micropile installations for foundation support. Add URL Construction, Drilling and Concrete