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<br /> SECTION 8, TOWNSHIP 8N , RANGE 5E , W. M .
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<br /> BASIC SOIL AMENDMENT NOTES
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<br /> 4 - SOIL RETENTION. RETAIN, IN AN UNDISTURBED STATE, THE DUFF LAYER AND NATIVE TOPSOIL TO THE MAXIMUM EXTENT
<br /> 34 PRACTICABLE. IN
<br /> �. ANY AREAS REQUIRING GRADING REMOVE AND STOCKPILE THE DUFF LAYER AND TOPSOIL ON SITE IN A DESIGNATED CONTROLLED AREA,
<br /> NOT ADJACENT 0 PUBLIC RESOURCES AND CRITICAL ARE 0 BE REAPPLIED TO 0 0 NS OF THE SITE WHERE FEASIBLE.
<br /> _ AS T OTHER P RTIO E FE
<br /> _ NTT RESO S TT
<br /> SOIL QUALITY. ALL AREAS SUBJECT TO CLEARING AND GRADING THAT HAVE NOT BEEN COVERED BY IMPERVIOUS SURFACE, INCORPORATE
<br /> INTO A DRAINAGE FACILITY OR ENGINEERED AS.STRUCTURAL FILL OR SLOPE SHALL, AT PROJECT COMPLETION, DEMONSTRATE THE
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<br /> FOLLOWING:
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<br /> f76' �\ ` �"� y\ 1. A TOPSOIL LAYER WITH A MINIMUM ORGANIC MATTER CONTENT C 10%DRY WEIGHT IN PLANTING BEDS, AND E ORGANIC MATTER
<br /> CONTENT IN TURF AREAS, AND A PH FROM 6.0 TO 8.0 OR MATCHING THE PH OF THE UNDISTURBED SOIL. THE TOPSOIL LAYER SHALL
<br /> HAVE A MINIMUM DEPTH OF EIGHT INCHES EXCEPT WHERE TREE ROOTS LIMIT THE DEPTH OF INCORPORATION OF AMENDMENTS NEEDED .Y M
<br /> TO MEET THE CRITERIA. SUBSOILS BELOW THE TOPSOIL LAYER SHOULD BE SCARIFIED AT LEAST 4 INCHES WITH SOME INCORPORATION y4.e:1 8.0���
<br /> OF THE UPPER MATERIAL TO AVOID STRATIFIED LAYERS, WHERE FEASIBLE.
<br /> '--' -2. MULCH PLANTING BEDS WITH 2 INCHES OF.ORGANIC MATERIAL`,-._- - ~� 3. USE COMPOST AND OTHER MATERIALS THAT MEET THESE ORGANIC CO REQUIREMENTS:
<br /> COMPOST MEETING THE COMPOST
<br /> O. THE ORGANIC CONTENT FOR 'PRE-APPROVED" RATES CAN BE MET ONLY USING p,••:;_,
<br /> SPECIFICATION FOR BMP T7.30: BIORETENTION CELLS, SWALES, AND PLANTER BOXES (P.959), WITH THE EXCEPTION THAT THE OR MANURE. THE COMPOST dS0 Plsp
<br /> COMPOST MAY HAVE UP TO 35%BIOSOLIDS MUST ALSO HAVE AN ORGANIC MATTER CONTENT OF 40%TO
<br /> Ek.FLOW \ \ \ BMP T101: PRE�VING \ -i` 657, AND A CARBON TO NITROGEN RATIO BELOW 25:1. THE CARBON TO NITROGEN RATIO MAY BE AS HIGH AS 35:1 FOR PLANTINGS
<br /> gyp)\ \\ \NATURAL VEGETATI -o\ -
<br /> i COMPOSED ENTIRELY OF PLANTS NATIVE TO THE PUGET SOUND LOWLANDS REGION.
<br /> `� \ I+ b. CALCULATED AMENDMENT RATES MAY 8E MET THROUGH USE OF COMPOSTED MATERIAL MEETING (A.) ABOVE; OR OTHER ORGANIC
<br /> \ \\ \ \\ MATERIALS AMENDED TO MEET THE CARBON TO NITROGEN RATIO REQUIREMENTS, AND NOT EXCEEDING THE CONTAMINANT LIMITS
<br /> \ PROP.SPR \ \ \
<br /> \ (2.014-.SF), \ \ \ �,r� �� - IDENTIFIED IN TABLE 220—B, TESTING PARAMETERS, IN WAC 173-350-220.
<br /> SPLASH
<br /> \ \ THE RESULTING SOIL SHOULD BE CONDUCIVE TO THE TYPE OF VEGETATION TO BE ESTABLISHED.
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<br /> IMPLEMENTATION OPTIONS: THE SOIL QUALITY DESIGN GUIDELINES LISTED ABOVE CAN BE MET BY USING ONE OF THE METHODS LISTED V
<br /> BELOW: 7
<br /> 1. LEAVE UNDISTURBED NATIVE VEGETATION AND SOIL, AND PROTECT FROM COMPACTION DURING CONSTRUCTION. Q Z
<br /> 2. AMEND EXISTING SITE TOPSOIL OR SUBSOIL EITHER AT DEFAULT 'PRE-APPROVED°RATES, OR AT CUSTOM CALCULATED RATES BASED Z
<br /> J \ \\ \ ON TESTS OF THE SOIL AND AMENDMENT.
<br /> \ 1 AND REPLACE PRIOR TO PLANTING. STOCKPILED TOPSOIL MUST ALSO AMENDED
<br /> AREA �, j IF NEEDED TO MEET.THE ORGANIC MATTER OR 3. STOCKPILE EXISTING TOPSOIL DURING GRADING,DEPTH REQUIREMENTS,
<br /> AENTS, EITHER AT A DEFAULT 'PRE-APPROVED°RATE OR AT A CUSTOM
<br /> J \ \ \5.013 13 SIF sF ;V� 1 CALCULATED RATE.
<br /> 1j 1 ^ !1 \ \ \ 1 4. IMPORT TOPSOIL MIX OF SUFFICIENT ORGANIC CONTENT AND DEPTH TO MEET THE REQUIREMENTS.
<br /> TOOSOIL --.._- 1
<br /> _ MORE THAN ONE METHOD MAY REUSED ON DIFFERENT PORTIONS OF THE SAME SITE. SOIL THAT ALREADY MEETS THE DEPTH AND
<br /> t ORGANIC MATTER QUALITY STANDARDS, AND IS NOT COMPACTED, DOES NOT NEED TO BE AMENDED.
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<br /> \ ❑ AREA B
<br /> AREA A UNCOMPACTED, UNGRADED,
<br /> STOCKPILE.AND
<br /> �``F>X.SFR '`r.. UNDISTURBED
<br /> ' I i A AMEND SOIL IF
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<br /> BASIC DRAINAGE NOTES CITY OF PUBLIC WORKSSDEP"EVERETT o
<br /> ARTM6NT F 0
<br /> 1. NO PART OF THE DRAINAGE SYSTEM SHALL BE COVERED, CONCEALED, OR PUT INTO USE s,; „t'"' irimzms U LU
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<br /> UNTIL IT HAS BEEN INSPECTED, TESTED, AND ACCEPTED BY THE CITY OF EVERETT. - j\ §;, -
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<br /> 2. ALL WORK AND MATERIAL SHALL CONFORM TO THE CITY OF EVERETT DESIGN AND I$ Q U.
<br /> CONSTRUCTION STANDARDS AND SPECIFICATIONS AND THE WSDOT/APWA STANDARD Z
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<br /> SPECIFICATIONS FOR ROAD, BRIDGE, AND MUNICIPAL CONSTRUCTION (CURRENT EDITION).
<br /> 3. APPROXIMATE LOCATIONS OF EXISTING UTILITIES HAVE BEEN.OBTAINED FROM AVAILABLE U O-
<br /> RECORDS AND ARE SHOWN FOR CONVENIENCE. THE CONTRACTOR SHALL BE RESPONSIBLE 0 Y0 40
<br /> FOR VERIFICATION OF LOCATIONS AND TO AVOID DAMAGE TO ANY ADDITIONAL UTILITIES
<br /> SHOWN. IF CONFLICTS WITH EXISTING UTILITIES ARISE DURING CONSTRUCTION, THE H RIzoNTAL SCALE ` City of Everett Permit Review -
<br /> CONTRACTOR SHALL NOTIFY THE PUBLIC WORKS INSPECTOR AND ANY CHANGES REQUIRED Ho
<br /> SHALL BE APPROVED BY THE CITY ENGINEER PRIOR TO COMMENCEMENT OF RELATED EVERETT Status:Approved —
<br /> CONSTRUCTION ON THE PROJECT. - ° 11/17/2022 10:07:28 AM Call wo but'ssiness
<br /> inesslow 22-0607 P�+BJMS
<br /> 4. ALL STORM SYSTEMS WITHIN THE PUBLIC RIGHT-OF-WAY OR IN EASEMENTS MUST BE Cali TWO bQ$iness TE 11/2/2022
<br /> STAKED BY SURVEY FOR LINE AND GRADE PRIOR TO STARTING CONSTRUCTION. - days before you dig.
<br /> 5. ALL CATCH BASIN GRATES MUST BE STENCILED OR STAMPED 'DUMP NO WASTE, DRAINS TO 1"=20'
<br /> STREAM, LAKE, RIVER, PUGET SOUND, OR WETLAND." CHOOSE APPROPRIATE FEATURE FOR
<br /> THE PROJECT.
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