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CITY OF EVERETT SPECIAL PROVISIONS I <br /> 1/2" >90 I <br /> No. 10 >70 <br /> Provide Topsoil Type A free from materials toxic to plant growth, visible seeds, I <br /> rhizomes, roots, any Snohomish County listed noxious weeds or invasive root <br /> propagating plants, including and not limited to, horsetail, ivy, clematis, and knotweed. <br /> Contractor shall remove and replace soil found to contain these prohibited plant <br /> materials. I <br /> 9-14.1(3) General Turf Area Soil <br /> Provide General Turf Area Soil for general use and passive recreation lawn areas I <br /> where year-round maintenance and positive drainage are important. <br /> Provide soil consisting of 60 percent sand complying with the particle distribution table <br /> in this Section, and 40 percent compost by volume. The resulting mix must contain I <br /> approximately 4 to 6 percent organic matter by weight tested by the loss on ignitions <br /> method and the following: <br /> Nutrient Test Unit Range I <br /> Phosphorous Bray mg/kg >20 <br /> Potassium NH4OAc mg/kg >175 <br /> Boron DTPA mg/kg >0.5 I <br /> Zinc DTPA mg/kg >5 <br /> Manganese DTPA mg/kg >20 <br /> Iron DTPA mg/kg >20 I <br /> Calcium NH4OAc mg/kg >6 <br /> Magnesium NH4OAc mg/kg >2 <br /> Sodium NH4OAc mg/kg <2 I <br /> Cation Exchange CEC meq/100g >6 <br /> pH 6.5 —7.5 <br /> Nitrogen lbs/ac >200 I <br /> Sand used must meet the following particle distribution. <br /> Sieve Size Percent Passing I <br /> 3/8" 100 <br /> No. 4 95-100 <br /> No. 8 80-95 I <br /> No. 16 60-90 <br /> No. 30 40-70 I <br /> No. 50 5-25 <br /> No. 100 0-10 <br /> No 200 0-5 I <br /> Provide Compost in accordance with Section 9-14.4(8) and certified in compliance with <br /> the US Composting Council STA program. I <br /> Provide testing and submittals in accordance with Section 9-14.1(1) of these Special <br /> Provisions. <br /> Provide General Turf Area Soil free from materials toxic to plant growth, visible seeds, I <br /> rhizomes, roots, any Snohomish County listed noxious weeds or invasive root <br /> propagating plants, including and not limited to, horsetail, ivy, clematis, and knotweed. <br /> Contractor shall remove and replace soil found to contain these prohibited plant I <br /> materials. <br /> Watermain Replacement"V" Division 9—MATERIALS April,2021 I <br /> WO No.—UP3730 SP—202 ADDENDUM#1 <br />