HomeMy WebLinkAboutR-4192106TREE RETENTION CALCULATIONS
AS PER THE CITY OF RENTON TREE RETENTION REQUIREMENT (RMC 44-130.11.1). THE PERCENTAGE OF TREES TO
BE RETAINED IS AT LEAST 30% OF THE SIGNIFICANT TREES IN R-8 ZONES.
TOTAL # SIGNIFICANT TREES (OVER 6- DIAMETER, OR ALDER /COTTON WOOD AT LEAST 8" DIA.): 499
TOTAL # EXCLUDED TREES (TREES IN CRITICAL AREAS / BUFFERS & PROPOSED PUBLIC STREETS): 229
SUBTOTAL TREES TO BE COUNTED (499 - 229): 270
REQUIRED # TO BE RETAINED (270 - 0.3):(81.0) 81
TOTAL # SIGNIFICANT TREES PROPOSED TO BE RETAINED: 18
PERCENTAGE OF TREES TO REMAIN 08 / 270): (6.66) 7%
# REQUIRED REPLACEMENT INCHES (81.0 -18. 12k (756.0) 756
# REPLACEMENT TREES REQUIRED (MIN. 2" CALIPER TREES REQUIRED FOR REPLACEMENT)
(75&0 / 2): Q78.0) 378
TREE DENSITY CALCULATIONS
AS PER THE CITY OF RENTON TREE DENSITY REQUIREMENT (RMC 44-1 SOMA), THE REQUIRED MINIMUM TREE
DENSITY IS 2 SIGNIFICANT TREES PER 5,000 SF.
PROJECT SITE: 484329 SF
PROJECT TREE CREDITS REQUIRED (484329 / 5000): 97
PROJECT TREE CREDITS PROVIDED ('I8 EX. SIGNIF. TREES TO REMAIN + 134 REPLACEMENT TREES): 152
TREE RETENTION NOTES
1. SEE CIVIL GRADING PLANS FOR TREE PROTECTION FENCING. ALL TREE RETENTION, PROTECTION AND
CLEARING ACTIVITIES SHALL BE IN ACCORDANCE WITH RENTON MUNICIPAL CODE (RMC) 44-130 TREE
RETENTION AND LAND CLEARING REGULATIONS.
2. PRIOR TO DEVELOPMENT ACTIVITIES, THE CONTRACTOR SHALL PROVIDE TREE PROTECTION MEASURES IN
ACCORDANCE WITH RMC 44130H FOR ALL EXISTING TREES SHOWN TO BE SAVED.
3. A CERTIFIED ARBORIST OR LANDSCAPE ARCHITECT SHALL MONITOR THE CONSTRUCTION ACTIVITIES THAT ARE
NECESSARY WITHIN THE TREE DRIPLINES.
4. WRITTEN NEED FOR REMOVAL OR REVISED LANDSCAPE AND CLEARING/ GRADING PLANS SHALL BE REVIEWED
AND APPROVED BY CURRENT PLANNING PROJECT MANAGER PRIOR TO CONSTRUCTION PERMIT APPROVAL.
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REPLACEMENT TREES
EVERGREEN TREES
KIM
BOTANICAL / COMMON NAME
ACER MACROPHYLLUM
810 LEAF MAPLE
LIRIODENDRON TULIPIFERA
TULIP TREE
NYSSA SYLVATICA 'BLACK TUPELO'
SOUR GUM
POPULUS TREMULOIDES
QUAKING ASPEN
TILIA CORDATA 'CHANCELLOR'
CHANCELLOR LINDEN
STEWARTIA PSEUDOCAMELLIA
JAPANESE STEWARTIA
BOTANICAL / COMMON NAME
PINUS FLEXILIS 'VANDERWOLF'S PYRAMID'
VANDERWOLF'S PYRAMID PINE
PSEUDOTSUGA MENZIESII
DOUGLAS FIR
THUJA PLICATA
WESTERN RED CEDAR
REVISION
S17F
CONDITION/REMARKS
OTY
MIN. 2"
CAL.,
10'-12' MIN. HT.
MATCHED,
B&B., WELL BRANCHED
9
MIN. 2.5" CAL., 14'-16' MIN. HT. MATCHED, B&B., WELL BRANCHED ABOVE 6'HT. 18
MIN.
2.5"
CAL.,
14'-W
MIN.
HT.
MATCHED,
B&B.,
WELL
BRANCHED
25
MIN.
2.5"
CAL.,
14'-16'
MIN.
HT.
MATCHED,
B&B.,
WELL
BRANCHED ABOVE
6'HT.
27
0
MIN.
2"
CAL.,
10'-12' MIN. HT.
MATCHED,
B&B., WELL BRANCHED
ABOVE 6'HT.
15
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O
MIN,
2"
CAL.,
10'-12' MIN. HT.
MATCHED,
B&B., WELL BRANCHED
ABOVE 6'HT.
4
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N
SIZE
CONDITION/REMARKS
r
d
MIN.
6'-8'
HT.
MATCHED,
B&B., WELL BRANCHED
3
MIN.
10'-12'
HT.
FULL AND
BUSHY TO BASE, B&B
OR CONT.
69
MIN.
10'-12'
HT.
FULL AND
BUSHY TO BASE, B&B
OR CONT.
45
O
W
N
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R-4192105
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
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