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<br /> SW 1/4, SE 1/4, SEC 23, T.28N., R.04E., W.M.
<br /> SNOHOMISH COUNTY, WASHINGTON
<br /> t--�.
<br /> TOTAL COVER:24"MINIMUM AND B4"MAXIMUM.FIRST 12"MUST BE NOTES: ��
<br /> ��� �� FREE DRAINING BACKFILI(SPEC SECTION 2.038):STONE<1.5"OR SOIL 1. FOR COMPLETE MODULE DATA,SEE APPROPRIATE R-TANKro MODULE SHEET. � �
<br /> PAVED M (USCS CLASS GW.GP,SW OR SP).ADDITIONAL FILL MAY BE Z. INSTALLATIONS PER THIS DETAIL MEET GUIDELWES OF Ht-93 LOADWG PER THE AASHTO lRFO � ,
<br /> SURFACE STRUCTURAL RLL(SPEC SECTION 2.03C):STONE OR SOIL(USCS BRIDGE DESIGN SPECIFICATIONS,CUSTOMARY LLS.UNITS,7TH EDITION,2014 WITH 2O15 AND 2016 �
<br /> CLASS SM,SP,SW,Gh1.GP OR GW)WITH MAX CLAY CONTENT<10%, WTERIM REViSIONS.
<br /> 149'-9" MAX.FINAL GRADE=50278 �z8�5"--1 r-15 75--1 R-TANICHO QUANTITIES MAX 25%PASSING NO.200 SIEVE,AND MAX PLASTICITY INDEX OF 4 A 3. PRE-TREATMENT STRUCTURES NOT SHOWN.
<br /> � MIN.FINAI GRADE=49779 v MW.12"COVER MUST BE MAINTAINED BETWEEN BACKRLL
<br /> 4. FOR WRLTRATION APPLICATIONS,C,EOTEXTILE ENVELOPING R-TANK SHAL�BE ACF M200(PER
<br /> i,.� � R-TANKH°MODULE TYPE DOUBLE+MINI E�UIPMENT AND THE TOP OF THE R-TANKTM'SYSTEM AT ALL TIMES. SPEC SECTION 2A2A)AND BASE SHAIL BE 4"MIN.UNCOMPACTED FREE DRAINING BACKFILL
<br /> _ rn
<br /> t�'*' *1 #OF DOUBLE*MWI R-TANKS 1,738 TOTAL HEIGHT OF TOP BACKFILL SHOULD NOT EXCEED 7'.CONTACT (SPEC SECTION 2.03A)TO PROVIDE A LEVEL BASE.SURPACE MUST BE SMOOTH,FREE OF LUMPS
<br /> K'v o?
<br /> / w N " " -Y . ACF ENVIRONMENTAL�F MORE THAN 7'OR LESS THAN 24"OF TOP OR DEBRIS,AND EXTEND 2'BEYOND R-TANKro FOOTPRINT.
<br /> 145'-9"(67 HU R-TANKS+2 ROTATED) �Z'O R-TANK STORACoE VOLUME 18,006 CF , BACKFILL IS REQUIRED(PROM TOP OF TANK TO 70P OF PAVEMENT). /
<br /> ��� � GEOGRID ELEV=496.79 .�:��; STONE BED FOOTPRINT 6,107 SF GEOGRID(ACF BX-'I2)PLACED 12"ABOVE THE R-TANK"o SYSTEM.
<br /> _ Z�- N °�,.^ �, N STONE QUANTITY 381 CY OVERLAP ADJACENT PANElS BY 18"MIN. GEOGRID SHOULD EXTEND
<br /> ��w `�" ��" r�'� �''� 8 OZ.NON-WOVEN GEOTEXTIIE TANK WRAP 73,795 SF(1,533 SY) 3'BEYOND THE EXCAVATION FOOTPRINT.
<br /> 1 N� TOP OF TANK=495.79 PAVED
<br /> � � ACF BX-12 GEOGRID 8,372 SF 930 SY UTILITY MARKERS AT
<br /> 12"INLET PIPE • j _ ���£� `� ( � �� SURFACE 36"(0.9'I m)MIN. COVER FROM FINISH �
<br /> ��-�- �� i CORNERS(TYP.) �� �
<br /> � - �j SIDE 4`�END g„�� i 72"MAINTENANCE PORTS 5 ♦ � GRADE TO TOP OF TANK:
<br /> - -�✓8" 12"PIPE BOOTS 3 � 24"(0.61 m)MIN.
<br /> -- - - �. ' _�'+'�.,�-��i� NOTE: STONE QUANTITY INCLU�ES 12"OF COVER AND 3"OF BASE. ��)� � i� 84"(2_73 m)MAX.
<br /> �� � � _ _ _�_ . � NOTE: GEOTEXTILE/LINER QUANTITIES WCIUDE A 15%WASTE FACTOR. ���I _ _ :� �,� � � � T=� . �
<br /> �-28.15"� ,'I 7�31'` r, _ � ��I� �I=I C
<br /> .-� _ _ u i"c'-�i-.�.'� . . :12"(0.30m),. �Ij�i �I �.�I� �I Ili�l
<br /> . � �� t N � ISOMETRIC j - - ' •
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<br /> �
<br /> Y " -j - h I � , � '� OPTIONAL
<br /> Za TOP
<br /> m � �.� .w,,. e,�„�me .� �L . � I_�,�� -I I �!_ I��l.�-�-1
<br /> � i � � OVERFLOW
<br /> �
<br /> �.ii.Mi,. ,,;If,��i,i
<br /> o TANK INV=49225 . . .mm � --�i � r I i PIPE
<br /> v � 12"OUTLET PIPE WLET PIPE -�- �. ' � � �i I I�I i��� . . .
<br /> , . �.r � ,�, ,��,.n�.w . �-,,.,-.
<br /> � 1 �_- I �T��� �-! �l- �ao
<br /> 'I� � .-�,� .1.=
<br /> � i L ��iC�l � . . �� .I �� �� Hi�I OPTIONAL
<br /> �
<br /> � I������ � STONE BASE INV=492.00 •�•� ��• J I � nc� .
<br /> ctOi � ._',_. OUTLET ..:sn ,.,, � � i;-� � �� i -= i..���' � � OUTLET
<br /> . -t tr�--rr1'r-v� � � _ ��-i I�_ E'i i�1�-i H�� [��
<br /> . _,.. �,:::,�.�.<<,��:. ( ) _. .. � i - L L_I.-r -- r-I�� IL II _f!- I i-a- - _ PIPE
<br /> ' � ' ' CONTROL �IF-i�I IC I-I�II i- I �
<br /> STRUCTURE �11 -1 I-I I I i-i I�I! I I i i '=L�I I-I I I� -I I �
<br /> . �, � � 3" O.OBm MIN. I I �I-I� I �- - . � �-� I; I lC�ll���_ I�II �
<br /> (BYOTHERS) MODULEDATA I IJIL-jJF�If-I�I:_EIICI i 1�=� HII�`�� i_ I I 11
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