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Snnl-�nmish <br />wnSH7Nr,�rr�rr s�rkTa ;;o�r�:c+��;z� <br />TO FRACTICL STAN�ARD 312 <br />CRITICAI: AREA Pr-AN'L'TNC.; <br />COl7STUGRATSOIJS <br />Thie: plannin9 Consideratiun suppleuent� the Natlolal Practic�� <br />Standard Na. 742, Ciitic:al Area Plantinq, dated Qc�ok��'r 1977. <br />�pecificaCions Por aite preparation, see9bed preparation, time and <br />method of seeding, plant species, fertilizer app]ication, mulchinq, <br />and, it used, sodding, Will be �hown on Ghe project plan whicn is <br />given to t}ie landowner. <br />Examples of applicable areas: damg, dikas, mine gpoil, levees, cuts, <br />li.11s, and denudaci or gullied arens where vegetation is diEfiault to <br />applicahlebfor�treatment�oP sheetdand ri111erosionaon�croplands not <br />Pst�l_Wa�23l.n3S����Q?��-�oastal Sand Dune (*�Rn ' 2 3� <br />���Kg�2ar.aC.1 on <br />IE oonstruction has eXposed subEoil, <br />mix 4 to 6 inche� oP topsoil into the <br />surface xnd <br />IP construction Eills have leTt highly erosive soil <br />with excessively loose, rough, or irregular filement. <br />wiCh aheeps-fooC roller or other suitabl� inp <br />IY conatruction c.ute hava lalt tightly compacted surface, <br />broak with criisel or other suitable irople�ent. Leava cuts on <br />steep slopee in rough conditi:on for hyclroseeding or broadca:t <br />sce�ling. <br />Areas that will be seedad and have soil condition� which, due <br />to excassive wetness during part oP the year, are apt to slip <br />or slump (lika tha Kitsap series) apply necessary stru^,tural <br />mcasures to nv�t� slop� fa�lure: <br />Diversion at top of slope, PS-362 <br />Pcovide stable channel Por water flow at <br />toe of 31ope, PS-41?. <br />Prevent water Erora off site from flowing ovei slopes <br />uith hi�2tly e2'odible soi.ls� <br />piversion at top of slopc, PS-362 <br />pipe, chute, q+itters, storm se'wer�:, <br />down Lhe sl.opc:, FS-423 <br />SCS-•iJ�1-F�1: c u.��'y <br />