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<br /> Lucas MFH
<br /> SECTION 23, TOWNSHIP 28N , RANGE 4E, W. M .
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<br /> BASIC SOLI AMENDMENT NOTES, Lu
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<br /> SOIL RETENTION. RETAIN, IN AN UNCISTURBED STATE, THE DUFF LAYER AND NATIVE TOPSOIL TO THE MAXIMUM EXTENT
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<br /> , • PRACTICABLE. IN ANY AREAS REQUIRING GRADING REMOVE AND STOCKPILE THE DUFF LAYER AND TOPSOIL ON SITE IN A
<br /> \ \ DESIGNATED, CONTROLLED AREA, NOT ADJACENT TO PUBLIC RESOURCES AND CRITICAL AREAS, TO BE REAPPLIED TO OTHER
<br /> PORTIONS OF THE SITE WHERE FEASSLE.`� / \�� \ uN \ SOIL QUALITY. ALL AREAS SUBJECT TO CLEARING AND GRADING THAT HAVE NOT BEEN COVERED BY IMPERVIOUS SURFACE.
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<br /> �\\\ \ INCORPORATED INTO A DRAINAGE FACILITY OR ENGINEERED AS STRUCTURAL FILL OR SLOPE SHALL, AT PROJECT COMPLETION,
<br /> \\\ \, Si / �� \ \ DEMONSTRATE THE FOLLO`MNG: ET
<br /> �" \ 1. A TOPSOIL LAYER WITH A MINIMUM ORGANIC MATTER CONTENT OF DRY WEIGHT IN
<br /> \ PLANTING BEDS, AND 5%ORGANIC MATTER CONTENT IN TURF AREAS, END A PH FROM 6.0 TO 9.0 OR MATCHING THE PH OF
<br /> Ek P.) V \' THE UNDISTURBED SOIL. THE TOPSOL LAYER SHALL HAVE A MINIMUM DEPTH OF EIGHT INCHES EXCEPT WHERE TREE ROOTS
<br /> EX I ARROW ` O`F\ i UHT THE DEPTH OF INCORPORATION OF AMENDMENTS NEEDED TO MEET THE CRITERIA. SUBSOILS BELOW NE TOPSOIL LAYER 0Y
<br /> \ `� I f �i C \ \ < SHOULD BE SCARIFIED AT LEAST 4 NCHES WITH SOME INCORPORATION OF THE UPPER MATERIAL TO AVOD STRATIFIED y.�'.,....e•.• M
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<br /> \ LAYERS, WHERE FEASIBLE. U 2t
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<br /> lPn / 2. MULCH PLANTING BEDS WITH 2INCHES OF ORGANIC MATERIAL .a te
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<br /> \ \ 3. USE COMPOST AND OTHER MATERIALS THAT MEET THESE ORGANIC CONTENT REQUIREMENTS: ,S.,yy
<br /> PROP.MN VI -er JN ` \- / \ a. THE ORGANIC CONTENT FOR PRE-APPROVED'AMENDMENT RATES CAN BE MET o•
<br /> / • ONLY USING COMPOST MEETING NE COMPOST SPECIFICATION FOR BMP T7.30: SOP
<br /> \\ (z.t�a �'�� � ! \ \\ X�--s� \ BIORETENTION CELLS, SWALES, AND PLANTER BOXES (P.959),ORMWITH THE EXCEPTION
<br /> fX, 1 \ \ THAT THE COMPOST MAY HAVE UP f0 35%BIOSOLJDS OR MANURE.
<br /> �,i 1 OARA+� I \ ��., \� THE COMPOST MUST ALSO HAVE AN ORGANIC MATTER CONTENT OF 40%TO 65%,
<br /> • J �'��\\\\ � f v \ AND A CARBON TO NITROGEN RA110 BELOW 25:1.
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<br /> / THE CARBON TO NITROGEN RATIO MAY BE AS HIGH AS 35:1 FOR PLANTINGS COMPOSEDZ
<br /> ENTIRELY OF PLANTS NATIVE TO THE PUGET SOUND LOWLANDS REGION.1I \ � / b. CALCULATED AMENDMENT RATES MAY BE MET THROUGH USE OF COMPOSTED
<br /> \ ECG MATERIAL MEETING(A.) ABOVE; OR OTHER ORGANIC MATERIALS AMENDED J1 \ MEET THE CARBON TO NITROGEN RATIO REQUIREMENTS, AND NOT EXCEEDING THE C
<br /> \ (TYP Sr TOTAL) _ \ \ \ V� f CONTAMINANT LIMITS IDENTIFIED IN TABLE 220-B, TESTING PARAMETERS, IN W G
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<br /> \ S WAC 173-350-220. 7
<br /> ANE-V \ CE-
<br /> -vj \ THE RESULTING SOIL SHOULD BE CONDUCIVE TO THE TYPE OF VEGETATION TO BE ESTABLISHED. Q
<br /> /°, ` ¢X Gr \\ ` jai` ,\ IMPLEMENTATION OPTIONS: THE SOIL QUALITY DESIGN GUIDELINES LISTED ABOVE CAN BE MET BY USING ONE OF THE METHODS
<br /> ;� �/ c \ t;1 I \ \ / LISTED BELOW:
<br /> \ c��I/ \ N i ', •/ 1. LEAVE UNDISTURBED NATIVE VEGETATION AND SOIL,AND PROTECT FROM COMPACTION DURING CONSiRUC710N. /�
<br /> AREA'A' \ LJ..
<br /> y3iN�A�B,� * _- Ex.OITQi \ R 2. AMEND EXISTING SITE TOPSOIL OR SUBSOIL EITHER AT DEFAULT 'PRE-APPROVED'RATES, OR AT CUSTOM CALCULATED
<br /> \• SS/ i- p\ , `\ \` RATES BASED ON TESTS OF THE SOL AND AMENDMENT.
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<br /> 3. STOCKPILE EXISTING TOPSOIL DURING GRADING, AND REPLACE IT PRIOR TO PLANTING. STOCKPILED TOPSOIL MUST ALSO
<br /> �/ \\ iiPP I ` \L BE AMENDED IF NEEDED TO MEET THE ORGANIC MATTER OR DEPTH REQUIREMENTS, EITHER AT A DEFAULT PRE-APPROVED' Q
<br /> '� •�,� I,,, \ \ '\ I/ \\ \.\\ 4. IRATE MPORT TOPSOIL AT A OM CALCULATED RATE.
<br /> MIX OF SUFF1OENT ORGANIC CONTENT AND DEPTH TO MEET THE REQUIREMENTS.
<br /> BIOn.) \ \ QQ � \ S OF THE SAME SITE. SOIL THAT ALREADY MEETS THE DEPTH 0
<br /> �� �i P,gE OET.) \ \ \ v &`e"/ \ \ MORE THAN ONE METHOD MAY BE USED ON DIFFERENT PORTION �/'�
<br /> \ 7 i' f \\ AND ORGANIC MATTER QUALITY STANDARDS, AND IS NOT COMPACTED,DOES NOT NEED TO BE AMENDED. v�
<br /> IX\S�F1ED \\ � '\ � , \ 1,
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<br /> \\ ice/ Ey„4K \\ \• \ 1 \\\ AREA A AREAS �N��
<br /> \ \ oT \ STOCKPILE AND UNCOMPACTED, UNGRADED, Q
<br /> \ ' r \ \ \ \ / AMEND SOIL IF UNDISTURBED W Q o 07
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<br /> \ S. c P� \ \ NECESSARY'OPTION 3' p a'N
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<br /> S . I\ \ \\ `1 BASIC DRAINAGE NOTES w Y
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<br /> 1. NO PART OF THE DRAINAGE SYSTEM SHALL BE COVERED, CONCEALED, OR PUT INTO USE UNTIL IT 1.,-Ill
<br /> HAS BEEN INSPECTED, TESTED, AND ACCEPTED BY THE CITY OF EVERETT.
<br /> 2. ALL WORK AND MATERIAL SHALL CONFORM TO THE CITY OF EVERETT DESIGN AND CONSTRUCTION (j
<br /> STANDARDS AND SPECIFICATIONS AND THE WSDOT/APWA STANDARD SPECIFICATIONS FOR ROAD, Q Z
<br /> HOUSE BRIDGE, AND MUNICIPAL CONSTRUCTION(CURRENT EDITION). �I�
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<br /> ROOF id�-- 3. APPROXIMATE LOCATIONS OF EXISTING UTIUTIES HAVE BEEN OBTAIfED FROM AVAILABLE RECORDSIli
<br /> DOWNSPOUT oo.�. AND ARE SHOWN FOR CONVENIENCE. THE CONTRACTOR SHALL BE RESPONSIBLE FOR VERIFICATION W
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<br /> SERVES am MN OF LOCATIONS AND TO AVOID DAMAGE TO ANY ADDITIONAL UTILITIES SHOWN. IF CONFLICTS WITH _
<br /> UP TO rwo�s..• EXISTING UTILITIES ARISE DURING CONSTRUCTION, THE CONTRACTOR SHALL NOTIFY THE PUBLIC
<br /> 700 S.F. �sw�o-- WORKS INSPECTOR AND ANY CHANGES REQUIRED SHALL BE APPROVED BY THE CITY ENGINEERO V,
<br /> OF ROOF .........__ PRIOR TO COMMENCEMENT OF RELATED CONSTRUCTION ON THE PROJECT.
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<br /> ��o,-�- 4. ALL STORM SYSTEMS WITHIN THE PUBLIC RIGHT-OF-WAY OR IN EASEMENTS MUST BE STAKED BY
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<br /> �oWMv SURVEY FOR LINE AND GRADE PRIOR TO STARTING CONSTRUCTION.
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<br /> ao�._ 5. ALL CATCH BASIN GRATES MUST BE STENCILED OR STAMPED "DUMP NO WASTE, DRAINS
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<br /> SPLASH 'i MalMINIUM STREAM, LAKE, RIVER, PUGET SOUND, OR WETLAND." CHOOSE APPROPRIATE FEATURE FOR THE
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<br /> BLOCK PROJECT. Z
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<br /> 811. e ,,..,w20-0715 I.BAKL
<br /> 3/23/21
<br /> Know what's below.
<br /> 1"=20'
<br /> Call two business 40 m.4
<br /> days before you "'� 2
<br /> HORIZONTAL SCALE
<br /> PFN:
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