|
KIEDRICH, SFR
<br />HIP 28N, RANGE 5E,, W.M..
<br />SECTION 6. TOWNS
<br />BASIC SOIL AMENDMENT NOTES
<br />3' SOIL RETENTION. RETAIN, IN AN UNDISTURBED STATE, THE DUFF LAYER AND NATIVE TOPSOIL TO THE MAXIMUM EXTENT PRACTICABLE. IN
<br />\_ td ANY AREAS REQUIRING GRADING REMOVE AND STOCKPILE THE DUFF LAYER AND TOPSOIL. ON SITE IN A DESIGNATED, CONTROLLED AREA,
<br /><} AREA 'A' NOT ADJACENT TO PUBLIC RESOURCES AND CRITICAL AREAS, TO BE REAPPLIED TO OTHER PORTIONS OF THE SITE WHERE FEASIBLE..
<br />(3,263 SF) s
<br />COV D PATIO
<br />�, SOIL QUALITY. ALL AREAS SUBJECT TO CLEARING AND GRADING THAT HAVE NOT BEEN COVERED BY IMPERVIOUS SURFACE, INCORPORATED
<br />0° �� ! INTO A DRAINAGE FACILITY OR ENGINEERED AS STRUCTURAL FILL OR SLOPE SMALL, AT PROJECT COMPLETION, DEMONSTRATE THE
<br />FOLLOWING:
<br />! 1. A TOPSOIL LAYER WITH A MINIMUM ORGANIC MATTER CONTENT OF 10% DRY WEIGHT IN PLANTING BEGS, AND 5% 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 />' f f HAVE A MINIMUM DEPTH OF EIGHT INCHES EXCEPT WHERE TREE ROOTS LINT THE DEPTH OF INCORPORATION OF AMENDMENTS NEEDED
<br />_ TO MEET THE CRITERIA. SUBSOILS BELOW THE TOPSOIL LAYER SHOULD BE SCARIFIED AT LEAST 4 INCHES WITH SOME INCORPORATION
<br />TRANSITION ZONE `' OF THE UPPER MATERIAL TO AVOID STRATIFIED LAYERS, WHERE FEASIBLE.
<br />- A (SEE DETAIL) j 2. MULCH PLANTING BEDS WITH 2 INCHES OF ORGANIC MATERIAL
<br />s / 3. USE COMPOST AND OTHER MATERIALS THAT MEET THESE ORGANIC CONTENT REQUIREMENTS:
<br />THE ORGANIC CONTENT FOR 'PRE —APPROVED" AMENDMENT RATES CAN BE MET ONLY USING COMPOST MEETING THE COMPOST
<br />\ E F\'PW A- / SPECIFICATION FOR BMP T7.30 BIORETENTIQN CELLS, ,SWALES, AND PLANTER BOXES (P.95 ), WITH THE EXCEPTION THAT THE
<br />ARR� y ,,, * ;' COMPOST MAY HAVE UP TO 35 BIOSOLIDS OR MANURE. THE COMPOST MUST ALSO HAVE AN ORGANIC MATTER CONTENT Or 40% TO
<br />~TYP� A� 1`f'e C®V'D'
<br />( 1, PATIO ,'' 65%, AND A CARBON TO NITROGEN RATIO BELOW 25:1. THE CARBON TO NITROGEN RATIO MAY BE AS NIGH AS 35:1 FOR PLANTINGS
<br />T_OP; SFR '- .`. _' COMPOSED ENTIRELY OF PLAITS NATIVE TO TI IE PUGET SOUND LOWLANDS REGION.
<br />\ (z, SF) b. CALCULATED AMENDMENT BATES MAY BE MET THROUGH USE OF COMPOSTED MATERIAL MEETING (A.) ABOVE; OR OTHER ORGANIC
<br />91
<br />MATERIALS AMENDED TO MEET THE CARBON TO NITROGEN RATIO REQUIREMENTS, AND NOT EXCEEDING THE CONTAMINANT LIMITS
<br />710 a
<br />IDENTIFIED IN TABLE 220--B, TESTING PARAMETERS, IN WAC 173-350-220.
<br />THE RESULTING SOIL SHOULD BE CONDUCIVE TO THE TYPE OF VEGETATION TO BE ESTABLISHED.
<br />FcTAT�D STuuT IMPLEMENTATION OPTIONS: THE SOIL DUALITY DESIGN GUIDELINES LISTED ABOVE CAN BE MET BY USING ONE OF THE METHODS LISTED
<br />CONNEG=N (SEE GE IL) � �
<br />AT OP. �DNCRETE !`' �� BELOW:
<br />D/W
<br />(�a SF) p� J; 1. LEAVE UNDISTURBED NATIVE VEGETATION AND SOIL, AND PROTECT FROM COMPACTION DURING CONSTRUCTION.
<br />(Typ j f` 3 w. \ 2. AMEND EXISTING SITE TOPSOIL OR SUBSOIL EITHER AT DEFAULT `PRE-APPROVED"RATES, OR AT CUSTOM CALCULATED RATES BASED
<br />\. , r w t \r _ ON TESTS OF THE SOIL AND AMENDMENT.
<br />> j _.;: l 3. STOCKPILE EXISTING TOPSOIL DURING GRADING, AND REPLACE IT PRIOR TO PLANTING. STOCKPILED TOPSOIL MUST ALSO BE AMENDED
<br />w `,DEV• FLOW -,THE C MATTER OR DEPTH REQUIREMENTS, EITHER AT A DEFAULT `PRE-�- APPROVED" RATE OR AT A CUSTOM
<br />IF NEEDED TO MEET ORGAN!
<br />u ARROWS e 1 f CALCULATED RATE.
<br />M 4. IMPORT TOPSOIL MIX OF SUFFICIENT ORGANIC CONTENT AND DEPTH ' TO MEET THE REQUIREMENTS.
<br />r .S� �
<br />,w? , MORE THAN ONE ME THOD MAY BE USED ON DIFFERENT PORTIONS OF THE SAME SITE, SOIL THAT ALREADY MEETS THE DEPTH AND
<br />ORGANIC MATTER QUALITY STANDARDS, AND IS NOT COMPACTED, DOES NOT NEED TO BE AMENDED.
<br />F7A
<br />t, AREA A AREA 8
<br />AMENDISOIL ND UNDOMPRBEDDp UNGRADED,
<br />ISTU
<br />NECESSARY "OPTION 3"
<br />BASIC
<br />0 20 40
<br />I. NO PART OF THE DRAINAGE SYSTEM SHALL BE COVERED, CONCEALED, OR PUT INTO USE UNTIL IT
<br />HORIZONTAL SALT 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
<br />STANDARDS AND SPECIFICATIONS AND THE WSDOT/APWA STANDARD SPECIFICATIONS FOR ROAD,
<br />BRIDGE, AND MUNICIPAL CONSTRUCTION (CURRENT EDITION).
<br />3. APPROXIMATE LOCATIONS OF EXISTING UTILITIES HAVE BEEN OBTAINED FROM AVAILABLE RECORDS
<br />AND ARE SHOWN FOR CONVENIENCE. THE CONTRACTOR SHALL BE RESPONSIBLE FOR VERIFICATION
<br />OF LOCATIONS AND TO AVOID DAMAGE TO ANY ADDITIONAL UTILITIES SHOWN. IF CONFLICTS WITH
<br />EXISTING UTILITIES ARISE DURING CONSTRUCTION, THE CONTRACTOR SHALL NOTIFY THE PUBLIC
<br />WORKS INSPECTOR AND ANY CHANGES REQUIRED SHALL BE APPROVED BY THE CITY ENGINEER
<br />PRIOR TO COMMENCEMENT OF RELATED CONSTRUCTION ON THE PROJECT.
<br />4. ALL STORM SYSTEMS WITHIN THE PUBLIC RIGHT--OF—WAY OR IN EASEMENTS MUST BE STAKED BY
<br />SURVEY FOR LINE AND GRADE PRIOR TO STARTING CONSTRUCTION.
<br />5. ALL CATCH BASIN GRATES MUST BE STENCILED OR STAMPED "DUMP NO WASTE' DRAINS TO
<br />STREAM, LADE, RIVER, PUET SOUND, OR WETLAND." CHOOSE APPROPRIATE FEATURE FOR THE
<br />PROJECT.
<br />®5
<br />e
<br />A.
<br />�e
<br />I�
<br />0
<br />Tj
<br />co
<br />p
<br />
|