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PORT OF EVERETT <br />14� STREET BULKHEAD REPLACEMENT <br />1.02 REFE!tENCES <br />A. City of Everett Standards. <br />SECTION 02371 <br />TE�4PORARY EROSION AND <br />SEDINIENTATION CONTROL <br />B. WSDOT Standard Specifications - Washington State Department of <br />Transportation 2004 Standard Specifications for Road. Bridge, and Municipal <br />Construction. <br />1.03 DEFINITIONS <br />A. Grit: Soil particle sizes sand and larger per Unified Soil Classification System, <br />ASTM D2487 and ASTM D2488. <br />1.04 SYSTEM DESCRIPTION <br />A. Treatment Train: <br />3. <br />CIY No.2-0•002-01 <br />Provide filtering system capable of removing silts and sediments from <br />stormwater runoff. <br />Discharge water criteria: per Department of Ecology requirements. <br />a. <br />b. <br />c. <br />d. <br />Turbidity: 5 Nephelometric turbidity units (NTU) above <br />background level maximum. <br />Oils: 10 parts per million (ppm) maximum. <br />Debris: None. <br />Additives: None allowed. <br />5ystem Capacity: <br />a. <br />b. <br />Size to treat runoff for ten-ycar 24 hour storm event (2.25 inches <br />rainfall in 24 hours). <br />Design Criteria for each Phase: <br />(1) <br />(�) <br />Assume entire area within limits of upland phase. <br />Assume runoff from adjacent area is diverted and by <br />passed. <br />02371- 2 <br />Project No. MR-NM-2005-01 � <br />8� <br />