HomeMy WebLinkAboutSWP5402038.1S S. M. H. No. 5
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�_ ` QJ�4"_�o pppGA�E NOTES FOR PLAT OF RIVER RIDGE
36/O ZZ I ` �l l ` cG�r� R c DA TUM
l r 2-2
I�_ ,o
3 1. BIOSWALE AND POND CELLS SHALL BE LINED WITH
k N r S 6-8 ^ A COMMERCIAL HEAVY PLASTIC POND LINER ( MIN 4O Ma-) OR A
BENTONITE C.LAY(MIN. 12"THICK). A LAYER OF (TRACK) COMPACTED
`367 _ 378 TOP SOIL A MINIMUM OF I8"7-H(CK,5HALL BE PLACED OVER
9 THE LINER PRIOR TO SEEDING.
O, 1 (o_//_ BFRM EMBANKMENT SHALL BE CONSTRUCTED ON
i \ ` p ��� N 1 �,e ✓ L ,Q�CE COMPACTED SOIL (95% MINIMUM DRY DENSITY,
C� S + STANDARD PROCTOR METHOD PER ASTM D1557)
`i -700� F U� �` ly,s3G�•Q3/ PLACED IN 6" LIFTS, WITH THE FOLLOWING
C• A �7,6 �C / 8 � \/ SOIL CHARACTERISTICS PER THE USDA TEXTURAL
VOL.-�Z� ` `1 ie0�/o,.1 I /�"c��F •� cam-• �,IT I OF RENTON TRIANGLE: A MINIMUM OF 30% CLAY, A MAXIMUM
C �. Aa �p OVE2FL0 , F= •
\ Ell ^/o• t/pL JZ o f> AvV " �"c? ry Z �'PE� B.M. No. 260 OF 60Z SAND, A MAXIMUM OF 60% SILT, WITH
% ` NOMINAL GRAVEL AND CABLE CONTENT.
CElI y35 �.f Gad CHISELLED SQUARE AT BACK OF WALK INTERSECTION,
Q J
' !2, N.W. CORNER SOUTH 7th ST, & HIGH AVE. S. SEEDING SHOULD BE DONE IMMEDIATELY AFTER
FINAL SHAPING IF COMPLETED DURING THE PERI-
�� Y42L• 3� %O 9• 13 n ��, j76— ODS OF APRIL 1 THROUGH JUNE 30 AND SEPTEMBER
0 N �\O•L ry� 3. C� 1 THROUGH OCTOBER 31 (IF PLANTED BETWEEN
` �`' FAN TAIL JULY 1 AND AUGUST 31 IRRIGATION MAY BE
REQUIRED) . IF BIOSWALE AND POND CANNOT BE
S���T G.B, .r/o. 9 - Tj��El' SEEDED DURING THIS TIME PERIOD, BIOSWALE AND
POND SHALL BF PROTECTED UNTIL THE NEXT
TOW
ura+Es �' 73
AB -BUILT CERTIFICATE
NEREBV CER: IFY T1- •� � <L f-OLLOw'1r0 GMECI�O REPS
Z%40WNI 11l W00 ARE A Ht ,t9LT OF r. FIELD S R M
PERFORMED RY I,(IA._ Its. UhIDER MY DPWTKVL
STOW MAP&J E SMKTARY SEWER wATEFt sywm
I N011Z. LOCAT KA 0 N XM LOCAQIOM C7 ri M LOCATM
14 VERT. LOCIrTIOM O VEW. LOWMI O VERT. LACAT M
O on"
/ Z_
�PepS 2 E ;3�oQ'/�E`- 3,Z¢,D SEEDING PERIODWITHMULCHING. APPLY APPRO-
PRIATE MIXTURE TO THE PREPARED SEEDBED AT A
Z GVB�QY spA N Q� �O n' C l /C /ZiISF�=�6%¢'O PATE OF 120 POUNDS PER ACRE. COVER THE SEED _
QJPje, Ili
`N�'/j01s&vt )= ye,- WITH TOPSOIL OR MULCH NO DEEPER THAN 1/2
INCH. SEED MIXTURE SHALL BE PROPORTIONED BY
o WEIGHT AND SHALL CONSIST OF 15% KENTUCKY
\\ O. 12 Z�G \ �( o�o BLUEGRASS, 40% TALL FESCUE, 3OZ PERENNIAL
GB lJoL S� IV RYE AND 15% CHEWING FESCUE. "HYDROSEEDING" �C FY CD F F? F, N'T C )
i t
�\ Cdtj 01-E'%2,�,. ��� APPLICATIONS WITH APPROVED SEED -MULCH- DEPARTMENT OF PUBLIC' WORKS
FERTILIZER MIXTURE MAY ALSO BE APPLIED.
L
T. FOND & BIO. S WALE
RECOMMENDED
-3�
w FOR � RIVER RIDGE
®1f `wM, :.�..6-Q'� ' �r __ .qs-mod/G/ - S�O.E'M J�L // Z/!z DESIGNED MU DATE 6� 13�91 FILE NAME 89041
^1 I - , - -
N �j P�' ✓�" .0 132y.'��0 �� W 4/271QI FjP MLD 101219/ DRAWN: DCii. - --- -- - - - 2 PER RE V/E
O C. 1 CHECKED MD SCALE 1"=20' HORZ. FIELD BOOK - PAGE
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(h p `f�NA�� P�2 2E ��Ew LE7iE.e i A� 7 z��i ----- -- --------------
Q• --
140 REVISION BY APPR DATE APPROVED SHEET 6 OF 18
.. ...... .so.... �......-,.-_:....,.m.�.�.-......-,,...-...�..�.-....:... ..--.,.s..E,.. DiREC TOR OF PJBUr WORKS
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