5901 23RD DR W BASE FILE 2016-01-01 MF Import

Pennanent slupes sieeper than 25%shall be designed by a p:�fessional civil ar geo[echnical engineec The design should present appropriate erosion control measures which may include: hydroseeding, erosion wntrol blanke�s, rip-rap,jute matting, and visqueen. (SEPA L•aich and Water Policies) 3. Gr:+dng/filling must not adversely a(fect the!,ydroloyry of streams�nd existing or created wetlands. (SEPA Eann and Water Palicics) 9. Grading/filling oc•site shall not adverscly affect adjoining sites. (SEPA Earth and 1Yater Policies) 10. Clearing iiiiiits shall be staked, (lagged,and/or fenced off prior to initiation of any clearing or land alteration activities as approved by the Engineering and Public Services Inspecror. Where:he clearing limit is the edge of x geologically hazardous area or iu buffcr, Uie clearing limit shall be fenced during conswction with a ch�in link or solid wooden fence a minimum of 4 feet high. I 1 Pollowing completion of construction and prior to issuance of occupancy pemiits, a permancnt fence must be provided along the edge o(the buffec The fence must be split rail or an al[emative design approved by the Planning Directur. Environmentally sensitive areas signs must be posted on the fence. (SEPA Eanh and R'ater Policics) 12. Removal of native vegetation within the building setback and buffer areas must be avoided when possible. (SEPA Earth and Water Policies) 13.Project proponcnts should try to retain ropsoil on sites ro the maximum extent feasible. (SEPA Eanh and Warer Policies) , Sectiun �1: SURFACE/GItOUND�VATGR, PLANTS AND ANI�IALS d.l '1'hreshold If a priorin- species is mapped on or within 300 fect of a siic or documented on the sitc by a qualified individual, additional SGPA review may be requircd. This will require cuordination with the Department o[Fish and Wildlife to determine appropriate mitigation measures. These may i:�clude, but are not limited eo,seasonal restriction on constructian, procision of'buf�crs, and preservation of existinE. �egetation. �ote: If an endareercd plan[or wildlife species is found on a site prior to or during de��elopment,the developer mus[ comply �vith all applicable federal, state, and local regulations, inctuding preparation of habitat management plans. (The Subarea Plan preserves prioriry habitats s defined by[he Depanment of Fish and Wildlife - urban namral open space, riparian corridors, and weAands.) d.3 1litigatiun \Icasures 4.3.1 General llitigation D7easures I. '1'he ('ollowing f3r.st Management Practices(BMPs) must be Pollowed for all construction work through and immediately adjacent to environmentally sensitive areas and their butTers, unless othenvise required by a pertnit issued by a Cederal or state a,ency. •Work should be donc in the dq�season whenever possible(June 1� tu September I i). • The widdi of�he wrridor through the wedand or stream should be minimized. • Consvuction staging areas must be located outside of environmentally sensi[ive areas and their buff'ers, unless determined b��the Planning Director to be in[easiblr. Streams, �cetlands,buffers, staging areas and 7