Detail_701.pdf
PDF 171 KB Posted
- Attached to
- CFD Sidewalk Replacement 2026
- Solicitation number
- 26-027-ITB
- Issued by
- Yolo County, California
About this file
This is a Standard Detail specification document from the City of West Sacramento, California, establishing requirements for tree planting installations in conjunction with the CFD Sidewalk Replacement 2026 project. The detail provides comprehensive technical specifications for tree planting in sidewalk planting strips, including requirements for planting pit dimensions, root ball preparation, mulch installation, tree stakes, and root barriers. Key specifications include a planting pit twice the diameter of the root ball, a 24-inch layer of mulch installed within 12 inches below finished grade, two 2-inch diameter treated lodgepole tree stakes set plumb without penetrating the root ball, tree crown set 2 inches above finish grade, and installation of a 24-inch height by 14-foot length panel-style "Deep Root" barrier centered at each tree with the top positioned 1 inch above finish grade. The detail specifies tree ties at two locations with galvanized fence staple tabs and anti-rotation pins installed 2 to 4 inches below grade, with stakes positioned at one-third of tree height. All backfill materials are to be determined per project specifications or soils report, with positive drainage required away from the root ball.
The document establishes standardized construction practices for tree installation as part of the broader sidewalk replacement project, ensuring consistency and quality across all plantings within the identified Community Facilities Districts. The detail is applicable where tree planting occurs concurrent with PCC sidewalk replacement, root barrier installation, and driveway crossing reconstruction. Standard Detail 701 was approved in August 2025 and is prepared in accordance with California Professional Engineer licensing requirements. The specifications require compliance with all project specifications and standard details, with the most stringent requirement governing in cases of conflict. This detail serves as a binding technical reference for all contractors bidding on the CFD Sidewalk Replacement 2026 project and must be followed during tree planting installation work.
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Text version
6" M
AX
3 O
F
TR
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H
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G
H T
O R
L O
W
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A S
R
EQ
TO
K
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P
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AK
ES
BE
LO
W L
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BS
3"
TYP
LAYER OF MULCH
INSTALLED WITHIN 12"
BELOW FINISHED GRADE
OF SIDEWALK
ADJACENT
PAVEMENT
(CURBING OR
SIDEWALK)
TREE
STAKES
TREE PLANTING
DETAIL WITH
ROOT BARRIER
IN PLANTING STRIP
TREE PLANTING DETAIL
TREE TRUNK
(2) 2" DIA. TREATED LODGEPOLE
TREE STAKES (SET PLUMB). DO
NOT PENETRATE ROOT BALL.
WATER RETENTION BERM.
REMOVE PRIOR TO TURF
INSTALLATION.
3" BARK MULCH
PLANTING PIT TO BE TWICE
THE DIAMETER OF THE
ROOT-BALL. FOR BACKFILL
MIX, REFER TO PROJECT
SPECIFICATIONS OR SOILS
REPORT.
UNDISTURBED NATIVE SOIL
UNDER ROOT-BALL.
PROVIDE DRAINAGE AWAY
FROM ROOT-BALL.
CURB &
GUTTER
ROOT BALL. SET CROWN 2"
ABOVE FINISH GRADE. PROVIDE
POSITIVE DRAINAGE AWAY FROM
ROOT BALL. LOOSEN ROOTS
BEFORE PLANTING.
FERTILIZER TABLETS (TYP)
6"
INSTALL 24" (HEIGHT) x 14' (LENGTH) OF PANEL STYLE
"DEEP ROOT" BARRIER (OR APPROVED EQUAL) CENTERED
AT TREE. PIECE TOGETHER 2' LONG SECTIONS TO MAKE
14' OF LENGTH AND INSTALL SO THAT THE TOP OF THE
ROOT BARRIER IS 1" ABOVE FINISH GRADE.
SECURE TREE TIE
WITH GALVANIZED
FENCE STAPLE
TAB AND ANTI-ROTATION
PIN. INSTALL TAB 2"-4"
BELOW GRADE
1/
O F
TR
EE
H
EI
G H
T
TREE STAKES
PLANTING PIT TO BE
TWICE THE DIAMETER OF
THE ROOT-BALL. FOR
BACKFILL MIX, REFER TO
PROJECT
SPECIFICATIONS OR
SOILS REPORT.14'
7' ROOT BARRIER, PANEL
STYLE "DEEP ROOT" OR
APPROVED EQUAL TO
SIDEWALK FINISH GRADE.
TREE TRUNK
PREVAILING WIND
TREE STAKES
TREE TIES AT TWO LOCATIONS.
REFER TO SPECIFICATIONS FOR
TYPE. (FOUR TOTAL) TYPICAL. IF
TREE IS PLANTED IN SIDEWALK
PLANTING STRIP WITH GRATING,
USE METAL STAKES.
ROOT BARRIER
PLAN VIEW
3" T
YP
3"
TYP
3" T
YP
ADJACENT PAVEMENT
ADJACENT CURBING
OR SIDEWALK
TREE PLANTING
THE CITY OF WEST SACRAMENTO - STANDARD DETAIL
TITLE:
STANDARD
DETAIL #
APPROVED: Aug. X, 2025
No. 54031
C I V I L
ST A T E O F C A L IF O R NIA
R
EG
IS
T E
R E D P R O F E S S IO NA L ENG
IN
EERM
A
R K L
O UIS COLLIER
dtl #701 - tree planting_06-20-25.dwg
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