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