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I I <br /> OPTION: STOCKPILE EXISTING TOPSOIL <br /> STOCKPILE EXISTING TOPSOIL DURING GRADING. STOCKPILE AND COVER SOIL a <br /> a <br /> WITH WEED BARRIER MATERIAL THAT SHEDS MOISTURE YET ALLOWS AIR <br /> TRANSMISSION,IN APPROVED LOCATION,PRIOR TO GRADING. REPLACE �I �� I' <br /> STOCKPILED TOPSOIL PRIOR TO PLANTING. STOCKPILED TOPSOIL SHALL BE i1 1" L I L h!� 1 <br /> TESTED AND AMENDED IF NEEDED TO MEET THE ORGANIC MATTER OR <br /> DEPTH REQUIREMENTS EITHER AT PREAPPROVED RATE OR CALCULATED 3"-4"(SETTLED)ARBORIST j� ;!.'/'''' I <br /> WOOD CHIP MULCH i / �� I <br /> 1 GRASS SEED OR SOD <br /> RATE. ALL SOIL AREAS DISTURBED OR COMPACTED DURING CONSTRUCTION, / /• /, JIL <br /> AND NOT COVERED BY BUILDINGS OR PAVEMENT,SHALL BE AMENDED WITH 0° II <br /> COMPOST AS DESCRIBED BELOW. ■ ' <br /> 3"OF COMPOST I II 1 1' 1.75"OF COMPOST <br /> t- I,I H <br /> 1. SCARIFICATION: IF PLACED TOPSOIL PLUS COMPOST OR OTHER INCORPORATED INTO 1 {1�- ; ; ( _ I =11 I I 1_J 1 1 :- INCORPORATED INTO <br /> ORGANIC MATERIAL WILL AMOUNT TO LESS THAN 12 INCHES,SCARIFY 5"OF SITE SOIL(TOTAL '1 I_I '' . —III I 1 1 I-I I I' 6.25"OF SITE SOIL <br /> OR TILL SUBGRADE TO DEPTH NEEDED TO ACHIEVE 12 INCHES OF AMENDED DEPTH OF 1 I i ZI I I-I I I i( i (TOTAL AMENDED <br /> LOOSENED SOIL AFTER TOPSOIL AND AMENDMENT ARE PLACED. 9.5",FOR A SETTLED 111711 I I III 11= I I .I <br /> DEPTH OF 8") - I ' I=� I I I 1 I; DEPTH OF 9.5",FOR A <br /> ENTIRE SURFACE SHOULD BE DISTURBED BY SCARIFICATION. DO NOT II I1I I I i . _ 1 I I I_ SETTLED DEPTH OF 8") <br /> 11 <br /> SCARIFY WITHIN DRIP LINE OF EXITING TREES TO BE RETAINED. • 8" I-.�I I I <br /> 2. SETBACKS: TO PREVENT UNEVEN SETTLING,DO NOT SUBSOIL SCARIFIED 4" SUBSOIL SCARIFIED 4" <br /> COMPOST-AMEND SOILS WITHIN 3 FEET ON CENTER OF UTILITY BELOW COMPOST BELOW COMPOST <br /> INFRASTRUCTURE(POLES,VAULTS,METERS ETC.). WITHIN ONE FOOT AMENDED LAYER(12" AMENDED LAYER(12" <br /> OF PAVEMENT EDGE,CURBS AND SIDEWALKS;SOIL SHOULD BE BELOW SOIL SURFACE) BELOW SOIL SURFACE) <br /> COMPACTED TO APPROXIMATELY 90%MAX. MODIFIED PROCTOR 12" <br /> DENSITY(ASTM D1557)TO ENSURE A FIRM SURFACE. DO NOT <br /> COMPACT WITHIN TREE PROTECTION ZONE. <br /> PLANTING BEDS TURF(LAWN)AREAS <br /> 1. PREAPPROVED RATE: PLACE 3 INCHES OF 1. PREAPPROVED RATE: PLACE 1.75 INCHES OF <br /> COMPOSTED MATERIAL AND ROTOTILL INTO 5 COMPOSTED MATERIAL AND ROTOTILL INTO 6.25 <br /> OPTION: AMEND EXISTING TOPSOIL INCHES OF EXISTING SITE SOILS(A TOTAL INCHES OF EXISTING SITE SOILS(A TOTAL <br /> AMENDED DEPTH OF ABOUT 9.5 INCHES,FOR A AMENDED DEPTH OF ABOUT 9.5 INCHES,FOR A <br /> AMEND EXISTING SITE TOPSOIL,OR SUBSOIL,EITHER AT PREAPPROVED RATE SETTLED DEPTH OF 8 INCHES). SETTLED DEPTH OF 8 INCHES). <br /> OR AT CALCULATED RATE BASED ON TESTS OF THE SOIL AND AMENDMENTS. <br /> ALL SOIL AREAS DISTURBED OR COMPACTED DURING CONSTRUCTION AND 2. CALCULATED RATE: PLACE CALCULATED 2. CALCULATED RATE: PLACE CALCULATED <br /> NOT COVERED BY BUILDINGS OR PAVEMENT,SHALL BE AMENDED WITH AMOUNT OF COMPOSTED MATERIAL OR AMOUNT OF COMPOSTED MATERIAL OR <br /> COMPOST AS DESCRIBED BELOW. APPROVED ORGANIC MATERIAL AND ROTOTILL APPROVED ORGANIC MATERIAL AND ROTOTILL <br /> INTO DEPTH OF SOIL NEEDED TO ACHIEVE 8 INTO DEPTH OF SOIL NEEDED TO ACHIEVE 8 <br /> 1. SCARIFICATION: SCARIFY OR TILL SUBGRADE TO 8 INCHES DEPTH(OR INCHES OF SETTLED SOIL AT 10%ORGANIC INCHES OF SETTLED SOIL AT 5%ORGANIC <br /> x TO DEPTH NEEDED TO ACHIEVE A TOTAL DEPTH OF 12 INCHES OF CONTENT. CONTENT. <br /> UNCOMPACTEDSOIL AFTER CALCULATED AMOUNT OF AMENDMENT IS 3. RAKE BEDS TO SMOOTH AND REMOVE SURFACE 3. WATER OR ROLL TO COMPACT TO 85%OF <br /> ADDED).ED). ENTIRE <br /> E SURFACE SHOULD BE DISTURBED BY SCARIFICATION. ROCKS LARGER THAN 2 INCHES DIAMETER. MAXIMUM DRY DENSITY. RAKE TO LEVEL AND <br /> o DO H SCARIFY SCAR WITSCARIFNICATION <br /> DRIP LINE OFA EXISTING TREER T ROOTSS TO BE ASRSTAINED MULCH PLANTING BEDS WITH 3"-4"OF ORGANIC REMOVE SURFACE ROCKS LARGER THAN 1 INCH <br /> OR WHERE SCARIFICATION WOULD DAMAGE OR MULCH OR STOCKPILED DUFF. DIAMETER. <br /> g DETERMINED BY THE ENGINEER. <br /> 0 <br /> 2. SETBACKS: TO PREVENT UNEVEN SETTLING,DO NOT COMPOST-AMEND <br /> th SOILS WITHIN 3 FEET ON CENTER OF UTILITY INFRASTRUCTURE(POLES, <br /> VAULTS,METERS ETC.). WITHIN ONE FOOT OF PAVEMENT EDGE, <br /> ri E V E R E T T <br /> CURBS AND SIDEWALKS;SOIL SHOULD BE COMPACTED TO PUBLIC WORKS <br /> o„z d APPROXIMATELY 90%MAX. MODIFIED PROCTOR DENSITY(ASTM WAS H I NGTON DEPARTMENT <br /> D1557)TO ENSURE A FIRM SURFACE. DO NOT COMPACT WITHIN TREE <br /> p moo' PROTECTION ZONE. �"RYAN SASS l rem'. <br /> a"HEATHER GRIFFINuo PAUL WILHELM Im.M BED 01/04/2021 <br /> > <br /> €s <br /> M. <br /> POST-CONSTRUCTION SOIL M `�M" <br /> • QUALITY AND DEPTH 203 <br /> I I <br /> J <br /> - 111111 11111 ! In — — UN N an MI SE MU — 1111111 MI 11111 — <br />