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S <br /> SECTION FOUR <br /> AMENDMENT OPTIONS <br />• <br /> S <br /> Select the soil preparation options that best suit each area of the project site. <br /> Either choose a pre-approved default amendment rate, or have a qualified professional <br /> calculate a custom rate based on soil and amendment tests described in Section 5, <br />• using the calculation method described in Section 7 "Resources"). <br />• OPTION 1: Leave native vegetation and soil undisturbed, <br /> and protect from compaction during construction. <br /> Identify areas of the site that will not be stripped,logged,graded or driven on,and fence off those areas to prevent impacts <br /> during construction.If neither soils nor vegetation are disturbed,these areas do not require amendment. <br /> S <br /> OPTION 2: Amend existing site topsoil or subsoil <br /> either at default "pre-approved" rates, or at custom calculated rates based <br />• on specifier's tests of the soil and amendment. <br /> Scarification. Scarify or till subgrade to 8 inches depth(or to depth needed to achieve a total depth of 12 inches of <br /> uncompacted soil after calculated amount of amendment is added).Entire surface should be disturbed by scarification.Do not <br /> scarify within drip line of existing trees to be retained. Amend soil to meet required organic content. <br /> S <br /> A. Planting Beds B. Turf Areas <br /> 1. PRE-APPROVED RATE:Place 3 inches of 1. PRE-APPROVED RATE:Place 1.75 inches of <br /> composted material and rototill into 5 inches of composted material and rototill into 6.25 inches <br /> soil(a total amended depth of about 9.5 inches, of soil(a total amended depth of about 9.5 inches, <br />• for a settled depth of 8 inches). for a settled depth of 8 inches). <br /> 2. CALCULATED RATE:Place calculated amount 2. CALCULATED RATE:Place calculated amount <br /> of composted material or approved organic of composted material or approved organic <br /> material and rototill into depth of soil needed to material and rototill into depth of soil needed to <br /> achieve 8 inches of settled soil at 10%organic achieve 8 inches of settled soil at 5%organic <br /> content. content. <br /> S Rake beds to smooth and remove surface rocks larger than Water or roll to compact to 85%of maximum dry density. <br /> 2 inches diameter. Rake to level,and remove surface woody debris and rocks <br /> Mulch planting beds with 2 inches of organic mulch. larger than 1 inch diameter. <br /> S <br /> 8 <br />