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I , ' <br /> offsite surfaa dtainage. Methods may inciude, but are not lirnited W, the <br /> use of silt fences and/or ualemen[ ponds. <br /> (4) Limit tempotary slopes within nadve glacial soils to a maximum angle of <br /> 1/2 foot horizontal (Ei) to t foot vertical M• Limit umporary slopes <br /> within fill soils to a muimum angle of lIi:1V. Cover temporary slopes <br /> with an impermeablc membrane, such as Visqueen, in order to prevent <br /> precipitation from coming in contact with the soils. <br /> (5) Eor slopes s[ceper than 23 Percenc• the design should present appropriace <br /> erosion control measures which may include, but arc not limited to: <br /> hydroseeding, erosion control blankets. rip-rap, jute matting and <br /> Visquan. <br /> �6) p pl�n co maximiu the extent to which soils which become disturbed, and <br /> which are above their opamum moisture content, aze allowed to dry to <br /> within theit opnmum moisn►re contrnt and to be mcompacud on-site, and <br /> minimize�he excent that such soils will be nmoved from the conswction <br /> site. rt1US[ bG Irt1pIGI11CtItOd by BOE1I1g (�a DELS App. A. p{A•791. <br /> c. Evaluate aspha�tic concmte removed from excavarion areas foc recycling use <br /> as base course for future pavement consavcaon. Materials shall be tested for <br /> PCBs prior to auch use. <br /> d. Implement a watering pmgiam at ail unsurfaced consnvcdon sites and soii <br /> stockpile areas during dry weather to reduce dust emissions. <br /> e. Minimiu open soil stocicpiling and hydrosad or use otha soils stabili�adon <br /> methods apprwed by the City for any soils storage or stockpiling. <br /> f. Clean vehicies leaving the sim ftom construcaon areas to minimiu dust <br /> geaaated by cury-out. <br /> Z, p.,�.�.,.,.,,.�t■Iro Sen.itive Areas(t�nd.nd shoRt�ne uu:Planu�od Anim�ls: Eacth:W�ter) <br /> a, We«�d Mi aation <br /> A weUand must be created (and has been reviewed and approve� in Powder <br /> Mill Gulch) to compensate for the lou of .67 acres and functional values of <br /> the wedands to be fille�. The created wedand must have a minimum <br /> replacement ratio of 3:1, consistent with City of Everett and DOE policy. A <br /> weUand mitigation plan must be provided that is consistent with the <br /> roquirement of Secdon 37 of the City's Zoning Code. The midgation plan <br /> must include monitoring and wntingency provision. <br /> 1� <br />