6003 23RD DR W 2018-01-01 MF Import

II� � L/GVVV IV IV Irl\ VLJ�JIVIYL �VVI! VLJ 7. Temporarv sfopes �+ithin native elacial soils shall be limited to a maaimum angle af 1!� foot horizontal (H)co 1 foot �ertical (V). Temporary slopes within fill soils shall be lin.ited to a maximum angle of 1H:1V. Temporary slopes must be cevered with an impermesble membrane, such as visqueen or mulch, in order to prevent precipitation lrom coming in contact with [he soils. (£EPA Earth end Water Poticies) Pennanent slopes steeper than 25% shnll ba designed by a professional civil or geotechnical engineer. The design shouid present appropriatz erosion control meacures whioh may include, hydroseeding, erosion control blankets, rip-rap,jute maning, and visqueen. (SEPA Earth und Water Yol�cies) 8. Gr�dina/fiiling must not adversely affect tl�e hydrology of streams and existing or created wetlands. (SEPA Eanh und 14'ater Policies) 9. Gradin¢Ifilling on site shall not adversely affect adjoining sites, (SEPA Earth and Water Policies) 10. Clearing limits shall bc staked, flagged, and/or fenced off prior to initiation of sny clearing or land alteration ac�ivities as approved by the Eraineering¢nd Public Services Inspector. Wherc the cleari�g limit is the edge of tt �eoloeically hazardous area or its buf`er, the clearing limit shall be f'eneed during consuuction w�4th a chain link or solid �vooden fence a minimuin of 4 feet high, Following complction of canstruccion and prior to issuenc,e of occupancy permits,a permanent fence must ba provided �long[he edge of the buffer. 1'he fence must be split rail or an altemative design approved by the Planning Directer. Environmentally sensitive areas signs muet be postea on the fence. (SEPA Eanh and 1Vater Policies) I I. Remo��al of native cege[arion �vithin the building satback and buffer sreas must be avoided when possible, ;SEPA Earth and Water Policies) 1?.Proiect pr�ponents shouid try to retain topsoil on sites to the maximum ex�ent feasibie. (5£PA Earth and R`ater Policies) Section 4: SURFACE/GROLIl1llW:1TER, PLA\TS AVD A.\IMALS �3.1 1'hreshald ' If a priorin� species is mapped on er w�ithin 300 feet of a site or documented on the site Uy a qualified individttal, addi�ionui 58PA revie�v otAy be required. This wil! require coordina[ion with che Department of Fish and Nildlife w de�ermine appropriate mitigacion measures. Tnese may include, but are not limited to, seasonai resviction on construction, provision of buffers, and preservation of existing vegetation. 'Jote: If sn endangered plant or wildlife species is found on a site prior m or during developmznt, the developer must comply �vi[h all applicable federaL state, and local regulations, inoluding preparation of habitat mana¢tment plans. (The Subarea Alnn preserves prioriry habimts as defined by che Department of Fish and Wildlife • ur�an natural open space, riparian corridors, and �vetlands,) 4.3 �Iitigetion �lensures 4.3,1 Cenernl �Iidgadon blcasures a ��-�