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CITY OF EVERETT SPECIAL PROVISIONS I <br /> 1/2" >90 <br /> I <br /> No. 10 >70 <br /> Provide Topsoil Type A free from materials toxic to plant growth, visible seeds, rhizomes, <br /> roots, any Snohomish County listed noxious weeds or invasive root propagating plants, <br /> I <br /> including and not limited to, horsetail, ivy, clematis, and knotweed. Contractor shall <br /> remove and replace soil found to contain these prohibited plant materials. <br /> 9-14.1(3) General Turf Area Soil I <br /> Provide General Turf Area Soil for general use and passive recreation lawn areas where <br /> year-round maintenance and positive drainage are important. <br /> Provide soil consisting of 60 percent sand complying with the particle distribution table I <br /> in this Section, and 40 percent compost by volume. The resulting mix must contain <br /> approximately 4 to 6 percent organic matter by weight tested by the loss on ignitions <br /> method and the following: I <br /> Nutrient Test Unit Range <br /> Phosphorous Bray mg/kg >20 I <br /> Potassium NH4OAc mg/kg >175 <br /> Boron DTPA mg/kg >0.5 <br /> Zinc DTPA mg/kg >5 I Manganese DTPA mg/kg >20 <br /> Iron DTPA mg/kg >20 <br /> Calcium NH4OAc mg/kg >6 <br /> Magnesium NH4OAc mg/kg >2 <br /> Sodium NH4OAc mg/kg <2 <br /> Cation Exchange CEC meq/100g >6 I <br /> pH 6.5 — 7.5 <br /> Nitrogen lbs/ac >200 <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> Watermain Improvement"U" Division 9—MATERIALS October 1, 2019 I <br /> WO No. -UP3698 SP—204 <br />