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❑ <br />I Dewatering concrete vaults <br />® <br />Concrete pumping and mixer washout waters <br />❑ <br />Recycled concrete <br />❑ <br />I Recycled concrete stockpiles <br />❑ <br />I Other (i.e., calcium lignosulfate) [please describe: ] <br />List and describe BMPs: <br />• BMP C151: Concrete Handling <br />• BMP C154: Concrete Washout Area <br />Process water and slurry resulting from concrete work will be prevented from entering the <br />waters of the State by implementing Concrete Handling measures. Concrete washout shall not <br />occur in streets or near storm drains. Concrete trucks and pumps will use eco pans which will <br />be legally disposed of offsite. <br />Installation Schedules: During concrete handling operations. <br />Inspection and Maintenance plan: Per current edition of City of Everett Stormwater <br />Management Manual. <br />Responsible Staff: CESCL <br />Concrete trucks must not be washed out onto the ground, or into storm drains, open ditches, <br />streets, or streams. Excess concrete must not be dumped on -site, except in designated <br />concrete washout areas with appropriate BMPs installed. <br />Will uncontaminated water from water -only based shaft drilling for construction of building, road, <br />and bridge foundations be infiltrated provided the wastewater is managed in a way that prohibits <br />discharge to surface waters? <br />❑ Yes ® No <br />List and describe BMPs: <br />No BMPs are planned to be implemented for this element. <br />Installation Schedules: N/A <br />Inspection and Maintenance plan: N/A <br />Responsible Staff: N/A <br />Page 116 <br />