HomeMy WebLinkAbout5682-13Y
104.02'
T
at least 2 days
before you dig
Know. whars below.
0811 before you dig.
FIRE DESIGN CRITERIA PER
"FIRE PROTECTION MASTER PLAN FOR THE ARBORETUM"
- ALL TREE SHALL BE PLANTED AND MAINTAINED AT A MINIMUM OF 10 FEET
FROM THE TREE'S DRIP LINE TO ANY COMBUSTIBLE STRUCTURE (PG 25)
- TREE SPACING OF A MINIMUM 10 FEET BETWEEN CANOPIES:
EXCEPTION: THE ARBORETUM TRAIL STREET SCENE FEATURES TALL
WINDROW TREES, WHICH MAY BE PLANTED ALONG THE PERIMETER
WALLS AS A FORMAL EVERGREEN BACKGROUND (PG 27). TREES WILL BE
PLANTED 15'0.C. IN 300' LONG MAX. SECTIONS WITH +100' BREAKS
BETWEEN WINDROW SECTIONS (APPENDIX F)
- MATURE TREES SHALL BE LIMBED UP TO EIGHT FEET OR 3x THE HEIGHT OF
UNDERSTORY PLANTS TO PREVENT LADDER FUELS, WHICHEVER IS GREATER
(PG 25)
- TREE MAINTENANCE INCLUDES LIMBING-UP (CANOPY RAISING) 6 FEET OR
ONE-THIRD THE HEIGHT OF THE TREE (PG 25)
- SHRUBS WILL NOT BE ALLOWED DIRECTLY ADJACENT TO TREE TRUNKS,
BELOW TREE CANOPIES UNLESS APPROPRIATE SEPARATION IS ACHIEVED TO
AVOID LADDER FUELS (AT LEAST 6 FEET BETWEEN THE SHRUB AND THE
LOWEST LIMB OF THE TREE) (PG 34)
- LOW GROWING GROUNDCOVER IS PERMISSIBLE THROUGHOUT THE PARKWAY
PLANTING AREA (PG 34)
- HEDGE PLANTING/MAINTENANCE IS PREFERRED AS IT RESULTS IN A DENSE,
COMPACT FUEL THAT IS LESS LIKELY TO IGNITE THAN SHRUBS ALLOWED TO
GROW IN AN AIRY OPEN FORM (PG 33)
- FIRE RESISTIVE VINES ARE ACCEPTABLE ON THE PERIMETER WALLS AS LONG
AS THEY DO NOT ACCUMULATE DEAD LITTER OR HAVE MULTI -LAYERED
GROWTH PATTERN WHERE SHADED LAYERS INCLUDE FLAMMABLE, DEAD
GROWTH (PG 34)
- COMBUSTIBLE GROUND COVERS, SUCH AS MULCH OR WOOD CHIPS, ARE
PROHIBITED ADJACENT TO STRUCTURES WITH AN EXTERIOR STUCCO WALL
AND WEEP SCREED (PG 26)
NOTE: ALL PLANT MATERIAL SPECIES CONFORM TO THE "FUEL MODIFICATION
PROHIBITED PLANT LIST" (APPENDIX G) AND THE ARBORETUM PROJECT PLANT
PALETTE (APPENDIX F)
TREE LEGEND
KEY BOTANICAL NAME COMMON NAME COMMENTS SIZE
A Magnolia grandiflora `D.D. Blanchard' Southern Magnolia STD. 36" BOX
B Platanus acerifolia'Bloodgood' London Plane Tree STD. 36" BOX
(anthracnose res.)
VINES
C Pyrus calleryana
D Quercus virginiana
E Specimen Tree
V-1 Parthenocissustricuspidata
GROUNDCOVER
Senecio mandrdaliscae
Pear
STD.
QTY WUCOLS MAINTAINED
73 M
9 M
43 M
WIDTH
I
SHEET KEY I
Southern Live Oak ACCENT TREE 60" BOX 2 M 20' �fl(
STD. STD.
A
To Be Selected 'HERITAGE' 84" Box Min. 3 M 25'
TREE or Transplanted
Equivalent
0
Boston Ivy 10' O.C. 1G 251 L
SELF -CLIMBING
LOW FUEL VINE PLANTED
ON EXTERIOR FACE OF A GR A
WALL (TYP.)
Blue Chalksticks Rooted cutting
STREET TREE INSTALLATION NOTE:
STREET TREES WITHIN SIGHTLINES ARE TO BE REVIEWED BY TRAFFIC ENGINEER AND
PUBLIC WORKS DEPARTMENT PRIOR TO INSTALLATION.
@ 24" O.C. 2457 SF L
SEE SHEET L 10 FOR PLANTING NOTES & DETAILS
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® —ARBORETUM
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PLANTING eTREES
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S I T IC S 6 A P E S
Landscape Architecture
and Planning
3190 82 Airport Loop Drive
Costa Mesa, CA 92626
Richard Polhamus, License CA—#2782
(949) 644-9370 (714) 210-3140 FAX
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