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t <br />t <br />Ll <br />D. Sterilize planting soil mixtures to make free of all viable nut grass, and <br />other undesirable weed seeds. <br />E. All planting soil mixes shall be thoroughly blended to form a uniform <br />planting medium suitable for exceptional plant growth. <br />F. Test PH of existing soil and planting soil mixtures by method acceptable <br />to current industry standards. If pH is not between 6.0 and 7.0 add <br />approved soil conditioner /additive to bring PH within that range. <br />G. Supply complete information on all analysis /test methodologies and <br />results; laboratory certifications, manufacturer's specifications, and <br />agency approvals to Landscape Architect prior to placement of soil <br />mixtures. In addition, provide Landscape Architect with thoroughly mixed <br />sample of all soil mixes for approval prior to placement (note PH ranges). <br />Landscape Contractor shall make all modification and improvement to soil <br />mixes deemed necessary by Landscape Architect to meet requirements <br />herein, and to ensure proper growing medium for all plant material without <br />cost to Owner, prior to planting. <br />PART 3 - EXECUTION <br />3.01 INSPECTIONS <br />A. Examine areas to receive soil preparation to assure work of other trades <br />has been completed. <br />B. Verify that plants to remain undisturbed have been clearly identified and <br />protected from injury during construction. If not, identify and protect plants <br />to remain according to procedures set forth in Section 02490 - Trees, <br />Plants and Groundcover. Refer to Protective Fencing on plans. <br />C. Remove all construction materials and debris from all areas to be <br />landscaped, without additional expense to Owner, prior to subsoil <br />preparation. <br />D. Do not proceed with soil preparation until all unsatisfactory conditions are <br />corrected. <br />3.02 SITE PREPARATION <br />A. General: Within the entire area to be landscaped as shown on the <br />drawings, the contractor shall complete the following site topsoil <br />preparation items to eradicate all existing weed and /or natural <br />groundcover. Initiate site topsoil preparation as stated herein and <br />coordinate all work with the existing underground sprinkler system and <br />electrical lines. <br />B. Post Emergence Herbicide: Apply "Roundup" as manufactured by <br />Monsanto Corp. according to manufacturer's recommended rate and <br />specification within the limits of all areas to be landscaped not specified <br />as existing, to be relocated, or to be removed. Protect existing plants <br />from overspray. <br />02484 -5 05 -5564 <br />