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OveAap 6' (150mm) minimum <br />\ Excavate Channel to Design <br />Gradc and Cross Seclion <br />OVFRCU7CNA6'Nf[ <br />1'(SOmmJ TOA[[O!S' <br />B(/[K/NG OUR/NG SEEOBfO <br />PRfPARATION <br />Design Depth <br />IYPICA� /NSTA[[AT/0�l <br />WITNEROSIONCONTROC <br />BLANAETSOR T!/RF <br />FE/NfORCEMfNT MATS <br />Intermitlenl Check Slot <br />Shingle•lap spliced ends or bepin new <br />roll In an Intormitlan� chotk slol <br />� <br />Preparo soil and appy seed belore <br />Inslallin0 blankets, mats or othnr �� <br />lemporary channel liner eystem / <br />\�, �I � i <br />`T•���/ I ( <br />Longitudinal <br />anchorlrench <br />longitudinal Anchor Trench <br />� ��� � �' i> Y�` :1�r?j.�ti.��'�' <br />w <br />/ / � fS::S...�SS::hT:l::'Y'^..5::�,. <br />/ / . <br />�I/ � }� < .1 � <br />/ � %i�� <br />" �� \, ' � ���;; `� ,`'� <br />� <br />\� � �✓�,; \�' <br />\� /!V%i ,'y.:,�'� A,,� <br />NOTES: '" <br />1. Design veiocilies exceeding 2 Nsec (O.Sm/sec) rcquim temporary blan�ds, mats or similar <br />liners to protcct secd and soil until vegeL�tion becomes eslablished. <br />2. Grass•lined ehannds with design veloci�ies utteding 6 Nsec (2m/see) should mclude <br />turf rcinforccment mats. <br />Figure 4.9 — Temporary Channel Liners <br />4-62 Volumo !I — Construction Sformwater Polfution Prevenlion February 2005 <br />