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SOILS PLAN - NORTH MATCHLINE -SEE SHEET L1.3.1
SOIL PREPARATION SCHEDULE LEGEND
SYMBOL CODE DESCRIPTION QTY --- -- --- PROPERTY LINE
O OUTSIDE TREE PROTECTION FENCE (REGRADED) 148,545 SF EXISTING CONTOUR
O INSIDE TREE PROTECTION FENCE 12,461 SF PROPOSED CONTOUR
MULCH 16,343 SF 8
TREE PROTECTION FENCING
OO O GRAVEL 1,420 SF
o
EXISTING TREE TO REMAIN
*SEE NOTES FOR MORE INFORMATION ABOUT EACH CLASSIFICATION. CRITICAL ROOT ZONE
NOTES
1. CLEAR AND GRUB INVASIVE VEGETATION AS DEFINED BY STATE NOXIOUS WEED CONTROL BOARD
LISTS.
1.1. CLASS C LIST: HTTPS://WWW.NWCB.WA.GOV/CLASS-C-NOXIOUS-WEEDS
2. OUTSIDE TREE PROTECTION FENCE (REGRADED):
2.1. GRADE SUBGRADE TO 8" BELOW FINISHED GRADE. FOLLOW STANDARD TOPSOIL PLACEMENT
PROCEDURE WITH TILLING AND PLACING IN LIFTS PER SPECIFICATIONS.
2.2. WORK MAY BE DONE WITH MACHINES. ALL ROOTS AND TOPSOIL CONTAMINATED WITH WEED
SEED TO BE REMOVED. INSTALL IMPORTED TOPSOIL PER SPECIFICATIONS.
3. INSIDE TREE PROTECTION FENCE:
3.1. LAWN OUTSIDE TREE DRIP LINES: MECHANICALLY REMOVE UP TO 6" DEPTH TOPSOIL TO REMOVE
GRASS AND ROOTS. PLACE TOPSOIL WITH TILLING AS REQUIRED TO BLEND NEW AND EXISTING
SOIL
3.2. WEED SHRUBS AND GROUNDCOVERS OR LAWN WITHIN TREE DRIPLINE: WORK TO BE DONE BY
HAND WITH MINIMAL DISTURBANCE TO TREES TO REMAIN. PESTICIDES MAY BE USED BY
LICENSED PESTICIDE APPLICATOR AS RECOMMENDED FOR TREATMENT BY THE WEED CONTROL
BOARD TO SPOT TREAT RESPROUT.
SOIL PREPARATION
1" = 1'-0"
3" DEPTH MULCH OVER
PLANTING BED AREA
APPLY 4" OF IMPORTED
TOPSOIL, COMBINE WITH
TOP 2" OF EXISTING, TILLED
SUBGRADE
EXISTING SUBGRADE,
ROTOTILLED AS SPECIFIED
AND ROUGH GRADED TO
SAME PROFILE AS FINISH
GRADE LESS DEPTH
REQUIRED FOR TOPSOIL.
P-2024-RRF-21
MULCH, KEEP 2" CLEAR
OF TRUNK
FINISH GRADE
APPLY 1" DEPTH COMPOST OVER
PLANTING BED AREA AND WORK
INTO TOP 2" OF EXISTING SOIL
BY HAND.
EXISTING TOPSOIL. REMOVE
EXISTING VEGETATION. TREES
AND SHRUBS TO REMAIN.
NOTES:
1. ALL WORK BELOW THE DRIP LINE OF EXISTING TREES SHALL BE BY HAND.
2. PRIOR TO SURFACE PREPARATION, OUTLINE OF EACH BED SHALL BE STAKED BY
CONTRACTOR IN ORDER FOR LANDSCAPE ARCHITECT TO REVIEW MULCHING AND
PLANTING PLAN AT START OF WORK, TO MINIMIZE IMPACT TO EXISTING ROOT ZONE.
3. SEE SPECIFICATION SECTION 329115 - SOIL PREPARATION FOR ADDITIONAL
INFORMATION.
4. SEE SOIL PREPARATION PLAN ON SHEET LXXX FOR SOIL REGIONS.
2 SOIL PREPARATION AT EXISTING TREES
1" = 1'-0" P-2024-RRF-23
CURRENT PLANNING % -OW—OWA GRAPHIC SCALE
ArIL
jding 09/23/2025 0 10 20 40 FEET
1" = 20 FEET
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ARCHITECTURE + PLANNING + DESIGN
6211 ROOSEVELT WAY
NORTHEAST
SEATTLE, WA 98115
tel: (206) 522-3830
fax: (206) 522-2456
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T A C O M A - SEATTLE • SPOKANE • TRI-CITIES
1200 6th Avenue, Suite 1620 Seattle, WA 98101
206.267.2425 TEL 206.267.2429 FAX www.ahblmm WEB
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No. Description Date:
6 CITY CORRECTIONS 8/21/25
Project Title:
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Sheet Title:
SOILS
PLAN
Scale: AS INDICATED
Project No.: 11-78
Date : 8/21/25
Sheet Number:
Ll m5mO
R-435473