Plans //P5O SW 9 'h /91/t' G#44
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cn
0-1
D ; RESIDENCE
m
DISCONNECT AND
TERMINATE EXISTING DRAIN
FROM HOUSE TO STORM O
DITCH
ti 160 sf , •
-----------
---- RAIN GARDEN
CONNECT DOWNSPOUT DRAINS WITH
DRYCREEK BED SURFACE NEW 4" SOLID ABS PIPE TO NEW RAIN
DRAINAGE SOLUTION TO GARDEN LOCATED AT SW CORNER OF
CATCH DRYWELL OVERFLOW HOUSE
AND DIRECT WATER TO
STORM DITCH
OVER FLOW DRAIN PIPE (3"
ABS SOLID PIPE) RUN TO
OVERFLOW DRAIN DRYWELL
DENNIS' 7 DEES CHAPMAN RESIDENCE INSTALLATION OVER VIEW
f.ANrr,.ArING&GARDEN CFNTER, 11850 SW 95TH AVE,TIGARD,OR 97223 PROJECT NAME: CHAPMAN PARTITION NORTH
1.V•,i' `4`,1171)1 (1%1 I i4T t.777 7717
CASE NUMBER: MLP2019-0002
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co DRYCREEK BED SURFACE
-I DRAINAGE SOLUTION TO
I CATCH DRYWELL OVERFLOW
AND;DIRECT WATER TO RESIDENCE
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m STORM DITCH
OVERFLOW DRAIN DRYWELL 0
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PLANT LIST SYMBOLS: EXISTING LANDSCAPE TREES.
LEFT WITH NO CHANGES.
SYMBOL-COMMON BOTANICAL COUNT SIZE
C-RED TWIG DOGWOOD CORNUS ALBA'ELIGANTISSIMA 10 1 GAL
*-COMMON RUSH JUNCUS EFFUSUS 115 1 GAL
G-CREEPING OREGON GRAPE MAHONIA REPENS 40 1 GAL
DENNIS' DEES LANDSCAPE PLAN
CHAPMAN RESIDENCE
LAN DSCAPING&GARDEN CENTERS 11850 SW 95TH AVE,TIGARD,OR 97223 PROJECT NAME: CHAPMAN PARTITION NORTH
14N N1'.Di VNI 471)1 1.4.1 OM I SO3.7777777 CASE NUMBER: MLP2019-D002
•
DOGWOOD,MAHONIA,AND
RUSH PLANTING OVER FLOW DRAIN RUNNING
TO STORM DITCH
SIDE SLOPES MAX 3:1 GRADE
6"AMENDED
SOIL LAYER
COMPOST, / [�n�
ill I I I/ Os*
SAND BLENDS `'�
l/L 1:///14r1 .5-,-' Oyu/� ; � '� � \i�// ,.' �l/,. �1��..
18"AMENDED SOIL LAYER e
COMPOST, SAND BLEND
CHOKER COURSE-3" DEEP
1/4%3/4"GRAVEL DRAIN ROCK
9"DRAIN ROCK LAYER- 1-1/2" .:•:. '' �
3/4"CLEAN CRUSHED ROCK ;
GEOTECH FABRIC LAYER :: :; ';:;.•::._:.;:.::.�:.:.:..........:.:;�'
SUB GRADE p
SEE ADDED PAGE 5 WITH LIDA RAIN
GARDEN SPECIFICATIONS FOR ADDITIONAL
INFO
DENNIS' DESS \' RAIN GARDEN SPECIFICATIONS
LANDSCAPING&GARDEN 95TH V VI�IGARD,ESI OR 97223 PROJECT NAME:CHAPMAN PARTITION
R'ttN5 III VK iS71111S(OM I 503.777.777: CASE NUMBER: MLP2019-0002
‘///10110 •,••••••••••.•'• .... •..
lel 1
DRYCREEK BED SURFACE STORM DITCH
DRAINAGE SOLUTION TO
CATCH DRYWELL OVERFLOW
AND DIRECT WATER TO
STORM DITCH
OVER FLOW DRAIN PIPE (3"
PERFORATED PIPE) RUN TO
OVERFLOW DRAIN DRYWELL
iiii
RAIN GARDEN OVER FLOW SPECIFICATIONS
DENNIS DESS CHAPMAN RESIDENCE
LAN DSt_APING&GARDEN CENTERS 11850 SW 95TH AVE,TIGARD,OR 97223 C PROJECT NAME: CHAPMAN PARTITION
wwv,Di MS117D1 1 OM I 50.1.777 7777 CASE NUMBER: MLP2019-0002
HIGH DENSITY JUTE OR
6" MIN— COCONUT MATTING
FREEBOARD
OVERFLOW TO 3:1 (H:V) MAXIMUM SLOPE
CONVEYANCE. MAINTAIN
MAXIMUM LINEAR
SEPARATION FROM ALL
STORv Jr_ M INFLOW POINTS
` i I `t' t'� 1E-1II - III
it I 1 II 111 I.A 1 " �� nF �� adl ,I., —1011=111=I lw I 1 I II I {I-1 111 i 1 MIN
_ — ii I I =1
1=1 11=1 11=I I I-1 11=1 I i
i=11 I=.1 f I—I(I—I 1 1=1 I I I I I—I I I I 1 I I - 11=1 I I I I!_ t I I I I I II 118" MIN GROWING MEDIUM
-1 I I-1 i t=1 I I-111 I I I III III
%/\iivv/-� I I I I�I�I III-III I I i- '11— i- �
� /j/ // 1 1 I I I I I(I 3" DEEP (3/4" — 1/4")
%\\ vv.� I—III I c _- CLEAN CRUSHED DRAIN ROCK
VAiV�iV�VAA�\\ � +-v,-+. r7im r- ���.'�. sz '"v�' � = 9" DEEP 1 1 2" — 3/4")
,
�+ • ' CLEAN CRUSHED DRAIN ROCK
/V/��!� ,A�VA/vAAVAVA/A/AA/A%A/��. OVERFLOW TO
� / i�V'-' CONVEYANCE
NATIVE %
SUBGR ADE
NON—WOVEN GEOTEXTILE
FILTER FABRIC
NOTES:
1. PUBLIC WATER QUALITY AND/OR QUANTITY SYSTEM
2. PROVIDE OVERFLOW CONVEYANCE SYSTEM, OVERFLOW CONVEYANCE HEIGHT TO ALLOW 6" MAXIMUM
PONDING, PIPING TO A MINIMUM OF THE PLUMBING CODE OR CONVEY THE 25 YEAR STORM.
3. IF USING THE NATIVE SOIL INFILTRATION FOR SIZING, THE RATE SHALL BE DETERMINED BY ASTM
STANDARD TESTING METHODS.
4. FLOW DISSIPATORS SHOULD BE USED IF ENTRY SLOPE TO THE BASIN IS GREATER THAN 3:1. FLOW
DISSIPATORS SHALL BE CONSTRUCTED OUT OF ROCK OR GRAVEL PER DESIGN FLOW VELOCITY AT
ENTRY OF THE FACILITY.
5. TREATMENT AREA SHALL HAVE HIGH DENSITY JUTE OR COCONUT MATTING OVER 18" MINIMUM OF
GROWING MEDIUM OR BASE STABILIZATION METHOD AS APPROVED BY THE DISTRICT.
6. VEGETATION TO BE USED IN WET AREAS OF THE BASIN IS PER APPENDIX "A" OF R&O 07-20 FOR
THE WET MOISTURE CONDITIONS.
7. VEGETATION TO BE USED IN OTHER AREAS OF BASIN CONFORMS TO PLANT LIST OF THIS HANDBOOK
AS APPROVED BY DISTRICT.
NON-STRUCTURAL LIDA
PLANTER/RAIN GARDEN
HANDBOOK CleanWater� Services
DRAWING NO. 797 REVISED 05-16
C1eanWatcr\'Services I OW Impact Deve opmeni Approaches Handbook