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FINISHED GRADE <br /> TEMP EROSION CONTROL BLANKET <br /> (CURLEX II OR SC150) <br /> ___\ <br /> HYDROSEED FINISHED SLOPE <br /> � � 2:1 SLOPE, MAX. <br /> � <br /> � EXISTING GRADE <br /> � <br /> � <br /> � SAND DRAINAGE BLANKET <br /> STRUCTURAL FILL � <br /> � <br /> � \ <br /> �EXISTING SOILS I \ <br /> 1 <br /> 6'MIN., <br /> BENCH IN STRUCTURAL FILL(TYP.) TO BE DETERMINED IN <br /> FIELD BY ENGINEER <br /> � — <br /> N � <br /> O� � <br /> i _ <br /> 1 <br /> O <br /> N KEY(3'DEEP x 6'WIDE,MIN.) <br /> N <br /> N <br /> o GENERAL NOTES <br /> o NOTE 1: STRUCTURAL FILL <br /> � FILL USED ON THE PROJECT SHOULD BE STRUCTURAL FILL MATERIAL.STRUCTURAL FILL SHOULD CONSIST OF PROPERLY MOISTURE <br /> = CONDITIONED AND COMPACTED ON-SITE FILL SOILS OR IMPORTED GRANULAR MATERIAL SUCH AS WSDOT GRAVEL BORROW THAT IS FREE <br /> ` � OF DEBRIS,ORGANIC CONTAMINANTS,OR ROCK FRAGMENTS LARGER THAN 4 INCHES. FILL SHOULD BE COMPACTED TO THE REQUIRED <br /> � PERCENTAGE OF THE MAXIMUM DRY DENSITY(MDD)PER AMERICAN SOCIETY FOR TESTING AND MATERIALS(ASTM)D 1557. <br /> > <br /> m <br /> W NOTE 2: REGRADED SLOPES <br /> "_- REGRADED SLOPES SHOULD BE NO STEEPER THAN 2H:1V.THE OUTER 8 FEET(HORIZONTAL DISTANCE)FROM FINISHED GRADE OF <br /> � REGRADED SLOPES SHOULD BE REMOVED AND REPLACED WITH STRUCTURAL FILL COMPACTED TO AT LEAST 90 PERCENT OF THE MDD <br /> F, PER ASTM D 1557. STRUCTURAL FILL SHOULD BE PLACED IN APPROX�MATELY 6 INCH LOOSE LIFTS PRIOR TO COMPACTION.REGRADED <br /> ¢ SLOPES SHOULD BE OVERBUILT BY AT LEAST 2 FEET AND THEN CUT BACK TO DESIGN GRADE PRIOR TO PLACING LANDSCAPING <br /> � MATERIALS.THE BOTTOM OF THE FILL ZONE SHOULD BE KEYED INTO THE EXISTING SOILS BY AT LEAST 3 FEET BELOW LOWESTADJACENT <br /> � GRADE.THE KEY SHOULD BE AT LEAST 6 FEET WIDE.THE STRUCTURAL FILL MATERIALS SHOULD BE BENCHED INTO THE TEMPORARY CUT <br /> 0 <br /> � SLOPE AT LEAST 5 FEET HORIZONTALLY AND NO MORE THAN 3 FEET VERTICALLY.THE SLOPES SHOULD BE TRACK WALKED PRIOR TO <br /> Q PLACING LANDSCAPE MATERIALS AND HYDROSEEDING. <br /> F <br /> � <br /> 3 NOTE 3: FILL SLOPES <br /> 0 <br /> �; NEW SLOPES SHOULD BE NO STEEPER THAN 2H:1V.IF EXISTING FILL IS WITHIN THE OUTER 8 FEET(HORIZONTAL DISTANCE)FROM <br /> o FINISHED GRADE OF FILL SLOPES,THEN EXISTING FILL SHOULD BE REMOVED TO A DISTANCE OF AT LEAST 8 FEET FROM THE SLOPE FACE <br /> a AND BE REPLACED WITH STRUCTURAL FILL COMPACTED TO AT LEAST 90 PERCENT OF THE MDD PER ASTM D 1557. STRUCTURAL FILL <br /> � <br /> w SHOULD BE PLACED IN APPROXIMATELY 6 INCH LOOSE LIFTS PRIOR TO COMPACTION. ALL FILL SLOPES SHOULD BE OVERBUILT BY AT <br /> � LEAST 2 FEETAND THEN CUT BACK TO DESIGN GR,4DE PRIOR TO PLACING LANDSCAPING MATERIALS.THE BOTTOM OF THE FILL ZONE <br /> w <br /> o SHOULD BE KEYED INTO THE EXISTING SOILS BY AT LEAST 3 FEET BELOW LOWESTADJACENT GRADE. THE KEY SHOULD BE AT LEAST 6 <br /> N FEET WIDE.THE STRUCTUR.4L FILL MATERIALS SHOULD BE BENCHED INTO THE TEMPORARY CUT SLOPE AT LEAST 5 FEET HORIZONTALLY <br /> � AND NO MORE THAN 3 FEET VERTICALLY. THE SLOPES SHOULD BE TRACK WALKED PRIOR TO PLACING LANDSCAPE MATERIALS AND <br /> � HYDROSEEDING. <br /> � <br /> N <br /> � NOTE 4: SAND DRAINAGE BLANKET <br /> N THE SAND DR,4INAGE BLANKET SHALL BE AT MINIMUM OF 12 INCHES THICK AND SHALL CONSIST OF SAND DRAINAGE BLANKET PER WSDOT <br /> � STANDARD SPECIFICATION 9-03.13(1). <br /> � <br /> � NOTE 5: MONITORING AND TESTING <br /> Q THE OWNER SHOULD EMPLOY THE GEOTECHNICAL ENGINEER TO OBSERVE EARTHWORK ACTIVITIES AND TO TEST STRUCTURAL FILL <br /> %� PLACED ON THE SITE.THE CONTRACTOR SHOULD FACILITATE OBSERVATIONS AND TESTING BY THE OWNER'S REPRESENTATIVES AS <br /> o NEEDED. <br /> � <br /> 0 <br /> � Slope Construction and Regrading <br /> 0 <br /> 0 <br /> � Beverly Park Substation <br /> W <br /> � Everett, Washington <br /> � <br /> 0 <br /> � �]EOENGINEER� Figure4 <br /> � <br /> � <br />