DO NOT SCARIFY SUBSOIL WITHIN TREE PROTECTION AREA OR DRIPLINE EXISTING TREE SCARIFIED SUBSOIL FOOTPRINT AREA BUILDING DO NOT SCARIFY SUBSOIL WITHIN 3 m OF BUILDING FOUNDATION DO NOT SCARIFY SUBSOIL WITHIN 1 m OF SHALLOW UNDERGROUND UTILITIES OR AS DIRECTED BY UTILITY PROVIDER WALKWAY DRIVEWAY DO NOT SCARIFY SUBSOIL WITHIN 0.45 m OF CURBS, WALKS, DRIVEWAYS AND OTHER STRUCTURES SCARIFIED SUBSOIL FOOTPRINT AREA

SUBSOIL SCARIFICATION PATTERN BY SOIL FRACTURING OR TRENCHING IN TWO DIRECTIONS START END SUBGRADE SLOPE SUBGRADE SLOPE

SUBSOIL SCARIFICATION PATTERN BY SOIL RIPPING OR TRENCHING PERPENDICULAR TO SUBGRADE SLOPE START SUBGRADE SLOPE SUBGRADE SLOPE END

WITH RIPPER BUCKET ATTACHMENT PERPENDICULAR TO SUBGRADE SLOPE SUBSOIL SCARIFICATION PATTERN BY SOIL RIPPING USING EXCAVATOR OR BACK HOE WITH RIPPER BUCKET ATTACHMENT PERPENDICULAR TO SUBGRADE SLOPE START 3 2 1 SUBGRADE SLOPE SUBGRADE SLOPE 4 5 6 END

METHOD 1: PLACE IMPORTED COMPOST AMENDED PLANTING SOIL STEP 1. SCARIFY SUBSOIL TO 45 TO 60 cm DEPTH STEP 3. PLACE IMPORTED COMPOST AMENDED PLANTING SOIL MIX AND ALLOW FOR 10 TO 15% VOLUME LOSS DUE TO SETTLING STEP 3. ALLOW TO SETTLE OR LIGHTLY TAMP OR ROLL TO 75 TO 85% MAX. DRY DENSITY FINISHED GRADE COMPOST AMENDED PLANTING SOIL COMPOST AMENDED PLANTING SOIL RESTORE PRE-CONSTRUCTION DEPTH OR 20 TO 30 cm OF PLANTING SOIL SCARIFIED SUBSOIL SCARIFIED SUBSOIL SCARIFIED SUBSOIL

METHOD 2: AMEND BASE TOPSOIL BY INCORPORATING COMPOST STEP 1. SCARIFY SUBSOIL TO 45 TO 60 cm DEPTH STEP 2. PLACE BASE TOPSOIL AND COMPOST AT 3:1 RATIO BY VOLUME OR CUSTOM RATIO AND ALLOW FOR 10 TO 15% SETTLING STEP 3. INCORPORATE THROUGH TILLING TO 15 to 20 cm DEPTH STEP 4. ALLOW TO SETTLE OR LIGHTLY TAMP OR ROLL TO 75 TO 85% MAX. DRY DENSITY FINISHED GRADE COMPOST COMPOST AMENDED PLANTING SOIL COMPOST AMENDED PLANTING SOIL BASE TOPSOIL BASE TOPSOIL RESTORE PRE-CONSTRUCTION DEPTH OR 20 TO 30 cm OF PLANTING SOIL BASE TOPSOIL SCARIFIED SUBSOIL SCARIFIED SUBSOIL SCARIFIED SUBSOIL SCARIFIED SUBSOIL

COMPOST AMENDED PLANTING SOIL METHOD 3: PLACE BASE TOPSOIL AND IMPORTED COMPOST AMENDED PLANTING SOIL STEP 1. SCARIFY SUBSOIL TO 45 TO 60 cm DEPTH STEP 2. PLACE BASE TOPSOIL AND COMPOST AMENDED PLANTING SOIL MIX AT 1:1 RATIO AND ALLOW FOR 10 TO 15% VOLUME LOSS DUE TO SETTLING STEP 3. INCORPORATE BY TILLING TO 15 to 20 cm DEPTH AND ALLOW TO SETTLE OR LIGHTLY TAMP OR ROLL TO 75 TO 85% MAX. DRY DENSITY FINISHED GRADE FINISHED GRADE COMPOST AMENDED PLANTING SOIL COMPOST AMENDED PLANTING SOIL RESTORE PRE-CONSTRUCTION DEPTH OR 20 TO 30 cm OF PLANTING SOIL BASE TOPSOIL BASE TOPSOIL SCARIFIED SUBSOIL SCARIFIED SUBSOIL SCARIFIED SUBSOIL

METHOD 4: AMEND SITE SUBSOIL BY INCORPORATING COMPOST STEP 1. SCARIFY SUBSOIL TO 45 TO 60 cm DEPTH STEP 2. PLACE 7 TO 12 cm COMPOST STEP 3. INCORPORATE THROUGH TILLING TO 15 to 20 cm DEPTH STEP 4. ALLOW TO SETTLE OR LIGHTLY TAMP OR ROLL TO 75 TO 85% MAX. DRY DENSITY FINISHED GRADE COMPOST COMPOST AMENDED PLANTING SOIL COMPOST AMENDED PLANTING SOIL RESTORE PRE-CONSTRUCTION DEPTH OR 15 TO 20 cm OF PLANTING SOIL SCARIFIED SUBSOIL SCARIFIED SUBSOIL SCARIFIED SUBSOIL SCARIFIED SUBSOIL