Plans I i ( I I I I
N 89'54'46" E
— — '
(
II
1±/ I I
` CF TIGARQCam I I
pL� f3� 141122.
(� ELEV 147'
Approvod Wining j ' i 75.68 ' "
(7 �22_ /8'-0"
t m I I 1 15 -7 3/4Date: .___- / ‘ o �OI o/ ' TQ F O T OF G• RAGE I Ij S
CONSTRU ION ' III \ I O I
/ ENT ANC' W/ 1 ' 4;
( WV
/ RO STORM /fI 1 \ LATERAL
II I . f I r /
I ❑ I ) t /
It ( 11'—• 1/4" f t\ PROPOSED NEW ADU: f /
ANGLE FILTER FABRIC II 1,368 SF LIVING +220 GARA L LOT #5
FENCE TO ASSURE SOIL IS TRAPPED I
1 ADDRESS:
1 I 1 15792 SW 76th AVE
w ( / \ TIGARD, OREGON 97 23 Y 4568 SF
t
o \ 5'WIDE BY 16'VEGETATED
0 N'a8 -8 FILTER STRIP(80 SF),TYPE.,2
® L— \ , /•/ FACILITIES PER LOT.SEE CW
N DWG 770 ON SHEET C7 AN
I STORMWATER REPORT FOR
� � II
� GRAVEL t \ MORE DETAILS
CONSTRUCTION
ENTRANCE W/ \ '`
� 0 SEWER. WASHED ROCK \ r \ ORM i
INTERLOCKED PLAN VIEW I '- 5'-0" �I LATERA� 2„
_ /7. ATERAL II
2"x 2" POSTS NTS / 1,....5„fil
� ' _r•
_,.AND ATTACH \ 1
I /i) ' PROPOSED NEW PRIMARY DWEL IING UNIT: 7...USE STITCHED LOOPS = ` 20 2 1/2
"• -' 1,732 SF LIVING +402 SF GARAGE
3' minimum h .-- ---�I
OVER "x 2" POSTS � ADDRESS: I
'-' -1 i 15790 SW 76th AVE. I ,,.--- \'1
from toe slope. ■ t -- I r \ TIGARD, OREGON 97223 L-__
\ NOTS: tJ �, ,t _-,-
\
,` i
c° = I I \ \ 11 5g �
,� I O 1. BUfNECy2i
BOTTOM OF FILTER FABRIC 6" r��►_�_ I \
`` ' cV �I VETCALLY BELOW FINISHED GRADE. I �\�\\\\\ \! ' '
/,��� 2. 2" " FIR, PINEORSTEEL 0 1 \\ I \ _. ; rJJ ,�4. EE POSTS. 16 —.5 1/4 v- \ /
''`'I—`f • 3 POSTS TO BE INSTALLED ON / ELEV 1\ / / /
II `'� UPHILL SIDE OF SLOPE. \ — — \ \\\\\\\\\\\\\\ U\
4. COMPACT BOTH SIDES OF FILTER FABRIC _ I / �i /
P 0 F I L E TRENCH.
5NTS . PANELS MUST BE PLACED I I I N 3'55" E w/ ' / / / A 467.422'00052
TO SPACING ON 6 4B / ----
ACCORDING /���(J 7` 7I! E
_
DETAIL NO.940 - 9
\ \ —
t;*; . :;:•:•:•:.:% •:;2•:�:%�:.•2�:�:�:.:�:�:�:�:••:�: I -- - z/,
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... .........................................
M.: 1'444.:4:40:+:+,144444,:v..v.v‘ve.w.ve....x.,:..x.: :.,:. * \ ,-, ,--- ,--1 _-__-,---
ELEV 152' R EQUIRED BASE MEASURES ADDITIONAL CONSTRUCTION SITE BMPS
.;;.� •0.;.;.;.;.;.;.;.;.;...;.;.;�;..;.;.;.;.;.;.�.4�.;�.�.;.;.4�:� ;; O PERIMET ER SEDIMENT CONTROL SWEEP STREET AND/OR HARD SURFACES DAILY AND
- �r `•......` `y..,,..;� `�./-,..,, X � CONSTRUCTION SITE ENTRANCE PROPERLY DISPOSED OF ALL MATERIALS.
Zo STORM DRAIN INLET PROTECTION REMOVED TEMPORARY CONTROL MEASURES WHEN NO
(D LONGER NEEDED
I NON-STORMWATER POLLUTION CONTROL BMPS INSTALL GUTTERS AND DOWNSPOUTS AS EARLY AS POSSIBLE
FILTER FABRIC MATERIAL TO CAPTURE RUNOFF TO PREVENT ADDITIONAL ONSITE
\ �\ I I 6'MAXIMUM SPACING 36" WIDE ROLLS STORE ALL PAIINTS,STAINS,SOLVENTS AND HAZARDOUS EROSION E.G SWALES,RAIN GARDEN,FRENCH DRAIN.
SITE INFO: MATERIALS IN A COVERED STORAGE AREA IF EXISTING VEGETATION IN RIGHT OF WAY IS DISTURBED
F 0\ T VIEW LOT SIZE 4,568 SF DISPOSED OF ALL TRASH AND/OR DEBRIS THAT COULD AND SOIL IS EXPOSED,INSTALL PERIMETER SEDIMENT
80% ALLOWABLE COVERAGE=3,654 SF ENTER STORM SYSTEM IN A DUMPSTER OR TRASH CAN. CONTROL TO PREVENT MATERIAL FROM ENTERING
PROPOSED COVERAGE= 2,1 18 SQ 46.% CLEAN UP SPILLS PROMPTLY USING DRY CLEANUP ROADWAY
NTS METHODS.
FOR FURTHER INFORMATION BUILDER;: * DISPOSE OF CONCRETE WASHOUT IN APPROVED
ON DESIGN CRITERIA SEE CBG SW 76th AVENUE, LLC LOCATIONS TO REDUCE POTENTIAL FOR DISCHARGE FROM
CHAPTER 4 OF CLEAN WATER CONSTRUCTION SITE
SERVICES EROSION PREVENTION ADDRESS:
AND SEDIMENT CONTROL 15110 SQ BOONES FERRY ROAD, SUITE 500
PLANNING AND DESIGN MANUAL. LAKE OSWEGO, OREGON 97035
scale= 1"=10'-0"