HomeMy WebLinkAboutTreePlantingStandardsSTREET TREE
PLANTING NOTES
8210
Revised Notes A, D, & G MH BL 11-09
Modified A, B, C, D KH MH 1-18
Drafting edits JDL MH 5-13
STREET TREE PLANTING INSTRUCTIONS AND REQUIREMENTS
A.INSPECTION:
Inspection of tree planting by the City Engineering Inspector or Building Inspector is required.
1.Engineering Inspector or Building Inspector shall approve the hole dimensions prior to planting.
2.City Arborist shall perform inspection of planting and tree quality after the tree planting is
complete.
Appointments for inspection(s) may be made by calling (805) 781-7220 at least 48 hours in advance
of the inspection.
B.TREE QUALITY:
Tree quality must conform to the requirements of guideline specifications for nursery tree quality
included in Appendix I.
C.BACKFILL MATERIAL:
The backfill material shall be free of construction spoils/debris and composed of:
·75% Native Soil (the soil removed from the planting hole)
·15% Compost Material
·10% Sand (see Note)
Note:The sand component of the backfill may be deleted if the Arborist determines that the existing
native soil will provide adequate aeration for the root system.
D.PLANTING:
Partially fill the bottom of the excavated hole with backfill material, while tamping and watering, to an
elevation equal to the bottom of the root ball. Root crown (top of root ball) shall extend one (1) inch
above finish grade when planting is completed and 4 inches below the bottom of grate. Place the tree
to be planted in the center of the hole on tamped backfill. Continue adding backfill while tamping and
watering.
Continue adding backfill around root ball to finish grade, while tamping tightly, and add additional
water to thoroughly wet root ball and backfill material.
For Street Tree Well installations, finish grade shall be 4" below the sidewalk grade.
E.TREE SIZE and TYPE:
Standard tree size shall be #15. A larger sized 24", 36" or 48" box may be required for some
installations. New trees planted in the downtown (within the boundary of the Downtown Association)
shall be a minimum of a 24" box.
Tree type shall be from the Master Street Tree list and (if applicable) be in accordance with the
selections for major streets.
F.STAKING:
All newly planted street trees shall be staked.
G.GUARDS:
Trees planted within the Mission Style Sidewalk District shall include installation of a tree guard of the
same manufacturer as the tree grate, see Engineering Standard 8130.
REVISIONS BY APP DATE
STANDARD CURRENT AS OF:May 2018
Stake
Stake
INSTALLATION NOTES:
Align face of tree trunk with face
of stake.
At Zone 1, tree grate shall be
installed per Engineering
Standard 8130, 4" clear from top
of grate to top of backfill
material.
TREE PLANTING
and STAKING
ZONES 1, 2 and 3
15 Gallon Size 8220
Combined Stds 8830 and 8840 JDL MH 6-13
Drafting edits JDL MH 6-13
Remove crossbrace & tubes KH MH 01-16
1
2
Prevailing Wind
Direction
1
Tree
Trunk
112" Fence Staple, galv. (over,
not through) or roofing nail
provided with ties.
Cinch-Tie
8'-3" Stake
Ties shall be inter-
locked around tree
30"
18"
3'
Backfill Material
(See Eng. Std. 8210)
5'
12"
12"
24"
12"
Top of stake shall not be
taller than lowest tree limb.
Trim stake evenly as necessary.
24" Cinch-ties (4 ea.)
shall be snug, not tight
Remove nursery stake(s) and
backfill hole with soil after
planting. Install (2) 8'-3"
Lodgepole Pine Stakes.
Top of Root Ball 12"
above finished grade
Root
Ball
Remove clay slick or glazing
if dug by power auger
Mulch Wood
Chips, 2" deep
ZONE 1: Trees planted in tree wells or parkway
ZONE 2: Trees planted within 7'-6" of curb, sidewalk, or paving
ZONE 3: Trees planted more than 7'-6" of curb, sidewalk, or paving
24"
28" min.
REVISIONS BY APP DATE
STANDARD CURRENT AS OF:May 2018
Stake
Stake
INSTALLATION NOTES:
Align face of tree trunk with face
of stake.
TREE PLANTING
and STAKING
ZONES 1 and 2
24" Box and Larger 8250
Removed crossbrace KH MH 01-18
Revised Tube Length MH BL 11-09
Drafting edits JDL MH 6-13
1
Prevailing Wind
Direction
1
Tree
Trunk
112" Fence Staple, galv.
(over, not through) or roofing
nails provided with ties.
Cinch-Tie
10'-0" Stake
Ties shall be inter-
locked around tree
E
D
C
B
18"
A
12"
Top of stake shall not be
taller than lowest tree limb.
Trim stake as necessary.
24" Cinch-ties (4 ea.)
shall be snug, not tight
Remove nursery stake(s) and backfill
hole remaining after planting. Install
(2) 10'-0"Lodgepole Pine Stakes.
Roots
Remove clay slick or glazing
if dug by power auger
Backfill Material
(See Eng. Std. 8210)
18"
A B C D E
24
48
36
24
18 66
72
84 24
36
42 30
24
18 40
48
60
36
TREE
BOX
SIZE
(in)
DIMENSIONS (in)
12"
ZONE 1: Trees planted in tree wells or parkway
ZONE 2: Trees planted within 7'-6" of curb, sidewalk, or paving
REVISIONS BY APP DATE
STANDARD CURRENT AS OF:May 2018