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SEC 20, TWP 28 N, RCE 5 E, WM � y� T� <br /> � oF <br /> . � ' } + � �� a <br /> ' �� <br /> > Lt� � CB 11A � f � ��� � � <br /> �? ' ( � �' <br /> � >>,y�_,�.� � W/ FLQATABLE MATERIAL SEPARATOR �; ' = - ; i 6463 � <br /> � �......�`__......_...._�_.___ �M� PER COE STD DWG �'413 a'� ' ; <br /> �, ~(� ' : ' � STE¢� <br /> ---� o�� � <br /> � �� i.�....:__�_.__._�___._�_��_ , , RIM 463.08 �� E ,�' r-� � . <br /> f w I � � .,ti_. ; ,.� � � IO1�L <br /> o � ��..v.... . ("T`��.�._-�- �1'�E����'�...��� w�O IE 457.Q0 12 IN E :�:� `t`�` �� � � I <br /> � � � a ��.� ,��a� ��;r; w �' 1NFILTRATION BED � ; �_ � CB 11 ' 40.00 40.00 ! �� ;,}, , <br /> a � � �i !; j��1�' f'���'� � � 2200 SF X 2.5' DEEP ,-�'��� ,� J W/ EMERGENCY i PT: 5+85.07 ; '.� j � t� <br /> �� � - t° ! i� CB 10A O 1 � TB 4,rjH.�jO '��' �� O.F. STAND PIPE� � j <br /> 6 ° v � �' 1 ' 2� W/ EMERGENCY >-+ p �',t;?�-� RIM 464.08 I � 'E <br /> O ° ° � � i �' ,� r..._ BB 4`J6.�� � . � . , ; <br /> IE 458.79 8 IN ! <br /> p o � i �,�,�- � � O.F. STAND PIPE � $ <br /> i � <br /> � � I �"� i � ' RIM 459.78 U � IE 458.46 12" OI�T W <br /> b b " 6 + ��� � t ' IE 454.70 8" IN E � 462.56 O.f. 461.33 ; � � �5.66 �Q i <br /> - -:•-c- ti� �`""'�;�-- ,, IE 454J0 12" OUT SW -x ��- - ---- - 462,95 i ;�o��° -� ; ' <br /> , � <br /> _ � <br /> �io � m A ��� s k �..�,C �F1.� O.F. 458.50 l � - - - -- - O�-- - -- - -- - - -- ------��`� `En;�� - - <br /> , <br /> �_, � 459. � ': <br /> �- , � � CB 10 ;� -� �, - _ _ . . v,, ; . , <br /> �-- � , � - -� -- -- - <br /> , .� M g � 11 N S SD ' __ � _ ` �, �� �L� , <br /> � <br /> .5 ,�iDA, ToR �R r�� - � � ,'�.,� c��„ :`��� <br /> f Ci v U 6' . +� � � �, , - _� - -�� 5. 8 i 466.67 i�J , .� "=- <br /> ; � � � i p ��` �"���'�" W/ f10ATABLE MATERIAL SEPARATOR � � � � � � � � � � � � � � � � � � � � � ' �_ a � � / �P� � <br /> � � ` �I� � � �, . PER COE STD DMY6 �413 � ;' � '4fi1.99 �° � � ��` -,t`� �-.- ;��s- -- �� i ; ry+ <br /> � � G t7 � � --�-- � � � �'�'�• RIM 459.41 �` / -------- ----------- ---� -- -------- � � `` '� , � �4„v o,;t p_ �?�� <br /> Y a � � � ' � IE 457.03 8" lN E 't CQ -- ------- ��I �° �'�� �� f :;�u�dQ , <br /> o € b ,�j � , ; "�•� ������� °+ � J���r�'-�,5�.��,�.. �S'��1���t:n. PT 4 06 8 N�� � _ ---------------- - ----__ <br /> � � � � �, ! .,. � �� D' �, 1�• `' <br /> . <br /> •�„` <br /> t.. i- . d I �`a�( &'{ • - _ �- � <br /> m + ,. ; � . 0 �' - � _-- ,s <br /> . , _ <br /> . • PC: 5+14.39 - -- - <br /> � . „_. f , . � - - -- - - ' _ _ - - _ J •� :b�"�:��, <br /> � .�" �l�.r�7��t� ' �; _... r�s..� Ir� ;��a�'��� CB 8C ` -�-- - - - - - - - - - - -..., _ �2�r I _ -� � )� ��,� - _ - , =�_ <br /> ,, <br /> . ,_ <br /> � _ <br /> . , , <br /> .��.._�.. _ -- <br /> l'�1 f �.... � :� . ' 4 -----------------------------------_ - cu�= - r� � L � <br /> - � � <br /> -- �,. , t - . . <br /> `` � c�; ' W/ FLOATABLE MATERIAL SEPARATOR .;' ; ----- - - -_Y�� �:.�.=----��` -_ �. _ _ _ i. - _ _ �.,�� . v t t:a��� _ -�,rr.s' ��' �� <br /> n,�„ { ��'� vL� z, � �' <br /> ,�`��_ - 465 20 _, � = X-� �� � <br /> � �� �` <br /> ��`"` �iB $ PER COE STD DWG #413 ' � 6 460.34 � 464.09 U �;-��.��--� v�� . � / � l 466.8 %��J �' � <br /> � 'y" � � � � �a �at� arrweamer � � �ss� d� � am� � � � � � /'l � -- r , � v " c�., <br /> L ` , <br /> � ��_,..rP-- � ��� $ �:. �`;� W/ EMERGENCY RIM 453.61 ,�f, ,;,� ; 459.02 �-- - t � .� � � ,� � ;,:� ',' `"a - '; , x � � � \ <br /> �, . � ; , --- -- -----_-__.^_�--- ' .-3- _ • ______.______--------- ---_ - �'�� �-� � ��-� _ � <br /> O.F. STAND PIFE 4 0. 8 OUT NW � - --- _ e �gg- 463.67-1 _�- �? �.: '' . � i� _. � - - � <br /> � � ��� ��'I� d�l�/� IE 5 50 � _ � 'PC: �+72.47 ;��+6- 06 ,.� m-� � . _ j --� , i �.= a <br /> x '�� RIM 452.94 `` � i - - - - - � , ; - - - � J�4� \ 1 ,'�, � '� -- -. �`" ,\ 8»�,ta.. �� z, <br /> � , <br /> , <br /> ;' IE 450.61 S� IN SE r �.��. \ ` i q.�f ;9 - � � .�6 ; �� FF��64.5� 1 x�s-- ��� � ��' � j►- ; �� �� W <br /> - ---- -1 <br /> � <br /> . � A <br /> � � ��'. ; 4 , <br /> , . <br /> IE 450.61 8 OUT W �, ,; . , I i _ �, �-s� ��- ', G' 1 <br /> � <br /> � �; �� � � O.f. 452.0 ,,,,: •� % '� �, � � � rc< \ / � ,� � o �/`' � <br /> > <br /> ���F���:,._/�'.����� � �. - .��`� � s _ � 463 37_� �- - - � � � n oo i a <br /> , 1_ . ,� , � �.00 =�, �:_. o , s ' � �� i��'C1 R� �� � <br /> f� �`� � � � .s ; ; _ ._._ - - - DS � t ; . , r � ,3 ` � ' � � �,�► � <br /> � 1' t'� ��„(,.�!1E � f���� �`� �� CB SA , 2v� /' / `` y� / / ` ,x\ 4b� 0 � I � ` �� � � �'`,� t i'�r�''!�`\ �1�1r( ( v^ ( -c �� , �� ' � 1" " -- �- � <br /> � �� � ��v. � :� '� ) 4 � ��3 / t, l,t. I J I 9lJ L i T, ��� �y � � i <br /> � b � �� _ � � �? } �' � �0 � �y� i � a <br /> TYPE ,N " i f'�/ ,! ,� , ; i � 463.50 � �CD CUj; 'd�� ( I t x i=' 't •,��� , � �6� � ��� � <br /> ���T� W/ SOL1D LOCKING LiQ 6 8 SD , / � � • � � � 1 1� ���� i � "• 464.50 �� � � ! ! ,.� ) �� � � ` �'' '°'""° t°� �;; e <br /> PER COE STD DWG �402 !:/ 55.08, � �, \ 4`56.00 , I � o� � FF 464:�0.,\ , `. ( t,i� } '> / _ = ,. t�J"DEC c�a' o :�; • <br /> RIM 452.70 � %� � � ;� �� ��: 45 0 FF�454.50 , �.�x � � x463�00 FF 463.50 � �r�,��� � � � �= �,. - - �� � � <br /> CB 7C IE 449.53 8" IN E 54 747.�, �� '`, `. `\ I 1 2.78 3�� � ! �� ` � �' ---- _ ! - -- � \ , � <br /> t <br /> �L; rt�}�" > .� <br /> W/ FLOATABLE MATERIAL SEPARATOR . `� /, �� \ \� � \'�- \� \ I � - -I�� �, � , �o` ! �'�6� � 45' � ��� \ p= <br /> IE 449.20 12' ►N NE �� � �(� I ' � �' � w "- `~� '�^ 3 � � <br /> � , x /-/" i � <br /> IE 449.20 12 OUT SW _ � �1 ` 6.00 I � -2 9� � � <br /> PER COE STD DWG �413 % " 453. � � � � ~ � I � - '� � � � �� ; � ', 464.50 FF 4&4.50 � - � -'�� -' ��!E ���-�, � � <br /> i ' � �F-€ 454.�0 ��," � _ � � __�` r� �, � �1. � r, �. � <br /> RIM 448.68 �� � , o � 462�00 - 463.50 �: --_ � �a�_ rR,-.-� �y.�L.-� � J p � <br /> � 453.3� � �, \ I , FF 463.50 # 3.�0 , � <br /> iE aas.00 s" IN NW OBSERVATION j �' '�,�- �€ �� '� � 454.�Q ; � , X -r �; � � ,' ' � m p .e <br /> CB 7A 453 50 � � ' - <br /> WELL ' % � �,9 I � � • � I ;. : -�,;�;�=- -aso � tp ,,; <br /> >,, � .�456.DO , ��� �� <br /> i ;��/�p0 '��� ���O�°�°� � � `FF 4�4.50 ` ., � \ ( �/ ,' I e� � �i � ! I '! � x4�66.00 CONCRETE WALL � �r,���:-� m `� T � <br /> W� EMERGENCY j: � � /� � \ '_� � \ �� 461.50 �J � ` �� FF' 464.50 � ,� �� �-�' "`:�� �- -- - ` z "' o w <br /> O.F. STAND PIPE %, / i�� � � -� l " � FF 463.50 46 .54 �i19 i ` .,`��,`f ' � Q � z <br /> �' � C 4.50 ` . � v:�;s',-- � <br /> RE 446 09 8" OUT W � J�, , ,� � � 453.30 � 3.20 � � 8•l \`� �. -��' C�NC BLOC WALL 461.50� ;, 46; ... DS•• \ �� �_. r,�i�� � rG '� ; �� � o % <br /> IE 446.09 8" OUT SE , ��ic�0 �- �� � -1.2 � � \ FF'1 54.50 y, � � _ . �.. ... .. i :.��` -�� . -_.��i I � _ _ - ',`yRk- ;_ 4�,- , <br /> O.F. 447.5 �� ;' ,�,�ti ;= �.� � � �` � \ � , � ,_ _ �.• ��.... �..: .�--•..E--- E""' .3s ss� s'2o w 2ss.47 � ; �% __ ��A-5 _ ___�'f � �r,- � � <br /> / 4�3.50 � � � ti ! _„�__ .;::,- -- - _ 4 .52 _ __ - ' - - -- - ---- ---- _� � . <br /> CB 7B ��' / '•i � � \� i � �!�-\ . _��457.85~ -- - . -_ -- ___ � _. , _ �_ __ .,�•�� �i� TOP WALL 466.Q0 -4sz 1 <br /> i � � � ':i - .� _f 457.60 _ ._.. _aso-- -- _ �_ - _;s4�.--, �i ���1�lA1R7'CLZ-'AYUY.� � `"- -- - - -- 46e _. "-. --. - � <br /> TYPE 1 5�N8„S� '/� i � � � •1' � 454.5�0 i�� �--��-'��-=_ _'\` _ _ _ -- ,-�_._� _._,_� =- - � , .�._�.=. -_ ,;-�. - - C � <br /> . . ._ _ <br /> _ • <br /> . <br /> . <br /> � W/ SOLID LOCKING LID p� ;'`/ '_ "� ., � � ` � 4 \ ': � �x �-..-_--_--- --�.`S���� �F;Y �EvY��=: ��;�,�,. =��c WA --BE� ----� ------ ----------------_-__ <br /> � >� ,� �;� � �T P WALL 464.50 � v <br /> „ J -_ <br /> , C�` � PER COE STD QWG �402 • -' ;�� , � � �.30 � €.�� .� ;01 TOE WALL 462.90 �------_...___-_- - -_� <br /> � " RIM 448.22 'S 9.4�� 14 � O� 53.92� ,� OP WAI.L 461.50 �����;r,ENT ui#860317 �^_J_____� ---- � <br /> , , : <br /> ,. S'l��F C�C, IE 445.05 8" IN E �,y� ` , ' / ;' FF 453.5d` �" ��\W ___-'__ ---- -_____.__ - � <br /> � T ALL 45910 >- <br /> ,�u �� i� �' CO p � %___ _ ---._-_ ___.---- - _.__J"��--.��463.50 INFILTRATION BED � Z � <br /> �C)\� ,-���`, IE 444J2 12" IN NE o�� f _ '� 453.50 � C� �� ,�,1 S ; i� i' � SLOPE TO DRAIN TOE WALL �460.00 � `Z � <br /> �1��'�� , .,�,t.,v-' � 6 _ _ � \ 1 _ '� 5 .40 �p '� \ 1075 SF X 2.5 DEEP � cL <br /> ��, �- IE 444.72 12 OUT SW �1'� �% � � . ,� 44 �-� 453.L7��� � � � <br /> p ;� � ; �� 4,5Q.5 _ , � _ <br /> CD 7 �• �. r�.� " \\ FF 4�50 --_ \ .-'"4 3.5 '� ' /� ',. TB �6�.33 Q� � � .� <br /> �E i ;�j � ti � , CO � �� � � �' �-f452.48 � ' �� OBSERVATION BB = 458.33 <br /> PER COE STD DWG �402 , � 44g 41 „ , � �^ ` � O �\ � 453.50 ' ' �� CB 9 WELL v C� � '� <br /> �� w � c� <br /> � <br /> RIM 445.27 ' r � ;��� � • /� ,J,/� i � W/ TWO FlOATABLE MATERIAL �PARATORS (EA WAY) �� CB �Z � o � o <br /> IE 441.10 12" IN NE i�� -- -%� `� t 9.�5 ���p.5 1 2 , ' � PER COE STD DWG #413 <br /> IE 441.10 1Y OUT SE � '� 4 4 ' � �, ; ' " `. \ FF 453.5Q'� / !/ ••• �' ��k'`r�,/ , R!M 453.20 EMERGENCY SPILLWAY W� � �-OATABLE MATERIAL SEPARATORS (EA WAY) � � � a; o <br /> ' /� t c r.: , � ,,�._ � PER COE STD DWG �413 � W � `� � <br /> W/ OIL-WATER SEPARATOR - " 'R, f-` ' � � } % U``l�'��' Y 2 LETDOWN IN CURB RIM 463.00 "' '�' � • <br /> ' ,12� ' \� ��� i��; '-� `. �' � v � �� 452.00 ,�� � � jy�.:�- ROCK EMER6ENCY SPILLWAY ��J^ <br /> W � � <br /> 8 ROt�C�"✓4'.' �"�.S=.. �i�!r-, Q> � ' � , � PAD 2' LElDOWN IN CURB c, � � (�� Z Q � <br /> ,G��8�.i?C8 - j".�� �' ;r , •� � x4`.T�.00 �'� f%ti<�P� ELEV 453.40 �� �<�`�" . `i 1 � � o � <br /> CB 6 � �i � - �� , � � 1 � �'� �� �� ♦ ; r, / � R�; G� N OTE. z � � w <br /> �`� , ,; ��. o� . '�` � � W <br /> TYPE 2 54" �, ' � i ', � ~ �� � � � � - �� �"�-� �� TB = TOP OF BED ELEV > <br /> i \ � _ �" , i F�� �,; ��� _ � w <br /> CB 5 PER COE STD DWG 5 '� / %� BB - BOTTOM OF BED ELEV Z N <br /> � '" %` � '', � � bp' �" '" ,� �y INFILTRATION BEJ �t N <br /> - TYPE 2 72» RIM 445.58 � � C � ' '' � � • ' <br /> `�` � RIM 443.43 „ IE 439,96 12" IN NW ��"� �' /� (� �` \ � � ` � .`,� j `w'8�' .ir .2', �f 1385 SF X 2.5' DEEP SL�L = SOLDOLOC NG RDNG AND COVER N <br /> 0 48" OUT SW ; / 1 V 44 � O.�� , � , <br /> `� IE 435.44 48 IN NE IE 435J r-� l '� .•y ; � � % /,,' ,�� ; TB = 452.00 <br /> � � �s.00 � • <br /> 'tE-�4�5.44 12" IN SE '" ' .00 � \ f���` �' , �'% '�'` % � BB = 449.50 <br /> i E 437 b1�1-2_"_I N W / � 2 �0 �47.50 �•• ' ����' ,byo �1/ fj'' <br /> IE 435.44 12 ati3��w ,��� ' ��r , ,�y� � 5 � .���, ,- �� � ; OBSERVATION wELL <br /> ��� � %'/ � �-��" i' FF 446.00 ,�p� ' O9 / /; /:���cG <br /> / !� <br /> �` ' '�_ �-{' - � � �••'�-` �� .52 �' ��, �P' INFILTRATION BED <br /> OUTFALL 5A , -� - ��__ ��.?. � ��S� ��, �: �,� _� _ � <br /> PER COE STD DWG �217 ,,' �/ " /,. t-, � / ,��:�� .�,�ti6 , �,% �a.�.� �'� � 335_SF X 2.5' DEEP � <br /> -� <br /> IE 435.34 12' IN NE ; / � 4.46, ,. R�' Sg� � % �� TB - 447.50 �' <br /> �j 44�:��� '� � - � 'c� l�� !% �`�� BB = 445.00 _ <br /> -- _ ; � � �Q�, ��:� � �'r CB 7D <br /> , ' : r, i " � i <br /> �rj�` ;-",/ � � W/ TWO FLOATABLE MATERIAL SEPARATORS (EA WAY) <br /> CB 4 .,. `��-' �' ," � ; �\� Q�� �-� , �444.� � PER COE STD DWG �413 <br /> TYPE 1 C.��'`' ,: /O`` ,.� � �- Q�,��' � \ �e 446�.3'' .;; \�, � '�4 RIM 448.82 w <br /> z <br /> PER COE S1D DWG /402 °, � // � • �- �'�' \O ' ' / ��E 2 54' � <br /> RIM 441.68 2���`� ;��� ��� � � �'� 44�.20 j <br /> i � <br /> IE 437.52 8' IN SW � __ �! ���' �,� �-' _ �,�' �� PER�COE STD DWG �405 <br /> , � ' „ �-- O - �; RIM 4�5.80 � <br /> \� IE 437.19 12' OUT E ;b"C` � � ! �N12 ` IE 441.5Q.,12" IN SE Q o � <br /> \�i�, 4A t�� `/ 3 �S� 4.7� � / IE 435.70�$� OUT SW � � <br /> ���,TrnE'r� -``�� , ;� �'` ` D .- .�: �3.55j=� INTAKE 14A �` "' � <br /> F'€R.COE� DWG �402 i�'�°5� '''� . 1 O�^'12„SD �----- �443.2� .- �� � �R� . <br /> �,� RIM 44Q,5o�� �� .' `\ IE 444.50 12 OUT NV� <br /> "� �,437.66�8" OUT N� ;"//� �, �/ / �20' Sa��fT,��Y ���f,�� <br /> �,�,� `�;, � � % - , �i` E<�SE!`,AEP�lT A�8b03�7�'s 03 Z � <br /> C,i \ i ,; ,\ ��. <br /> � �`.; \ % '/ � °Sp 4 2"SD �1����v� 2� 4 � <br /> ���, ��� , , �<� CB 13 J � <br /> � s - ^ <br /> � �\ ��'�:, `�� \/ / /,��t" j-�' TYPE 2 54" `' -- .....` 2'J �L <br /> ``,\ �� � ��T �,��._` ''' �� I N TA4CE 156 RIM �E76iD DWG �405 ---- --- _ _ , � � <br /> , � �� 1��433.84 IE 435.44 48 IN NE � GRAPHIC SCA� W O <br /> _- � ,.;\: ' OBSERVAT10N WELL 8 PVC PERFORATED PIPE -___ <br /> % ,,, , \ �. \`;\* '- �/ �; �.' IE 435.44 12" OUT NW W/ CAST IRON CAP � .,_ � _ 20 o io 20 � � <br /> � � ' ��' � �� P ' +� �SEE SHEET 5 z � Q . <br /> \ �, ,.� �o�v�\ ;,i' � I � Z Z <br /> , \ c `�,�'`` ; ; � FOR DETA L "• �, 1"=20' � � . <br /> �� ��m�=- �:� -%' �%�- ����� TYPICAL CONCRETE <t o <br /> �., ��� �`��,\�� �,�' INTAKE i 5A , � Q � � <br /> , � �E433.6� -� BLOCK WALL SECTION <br /> ,. � ���� _ �.� �: � �� � _ . <br /> �� �-� �.� v 'S;n � . ..�, �i� sv_S" " � � � � o. c. � � � � Z _ <br /> �� , '� CB 15 `���� �°.:. �� ����������.�� ` �?�� N SCALE: HORIZ 1» = 2' � _ <br /> �. � ��'� PER COE STD DY�G'' 05 �� - - - �' '� ' <br /> �� , � VERT 1 = 2 j � <br /> ` °� ��_� .3s �� ��F� „- '���` ' �'!' � � w 3 <br /> � R�M 44t , � � � �" WASHED ROCK , ', ' � � � � � Z � <br /> � � '��� �E 434.s4 t2' �►v S� o�� . `� FILTER FABRIC �,,, , � , �� , ,� ,, �, , , <br /> � IE 434.70 12' IN E �� � 0 NQT OVERCOMPACT SOILS `������F`��\\\�`\i,�\�j�\.\�\:�,\\�\�!',;\\:.\ \�,\`:\�,\�\�;\ � <br /> X „ \ � \ 6 SAND TREATiu(ENT WRAP , BENEATH INFILTRATION ZONE y�!��y��� ��%%", ,, ,!i,_.i,✓.i�,�ii:;�,ii�,�,-;_,��:%__._�::i <br /> '� IE 434.7Q 12 ouT sw � \\ � � LAYER OR DOCUMENT 21.0 <br /> �� 1 �� �� SOIL SUITABILITY AT 3' COMP.DEPTH HMA CLASS 1/2' <br /> ;, EACH INFILTRATION BED. SET PIPE 6" OFF BOTTOM OF <br /> `�� 3" COMP.DEPTH HMA CLASS i° Z � <br /> � THE INFIL1RA110N FACI�ITY. NOTES " COMP. DEPTH GRAVEL BORROW <br /> ,` � <br /> � � 1. ALL WORK AND MATERIALS SHALL CONFORM TO THE CITY OF EVERETT � <br /> ��;� ` �\ STANDARDS PER THE WASHINGTON STATE DEPARTMENT OF ECOLOGY'S TYPICAL PARKING LOT � � � <br /> ��. ' 2014 STORMWATER MANAGEMENT MANUAL FOR WESTERN WASHINGTON, <br /> ��;� `�: `�� AS AMENDED IN 2014 (2014 SWMMWW). PAVING SECTION � <br /> \�'`'.> `� t`, 2. FOR CATCH BASIN TYPE 1, SEE C.O.E. STD DTL 402. » _ , � <br /> � �: ., � � SCALE: HORIZ 1 5 <br /> z �\�fv , '',, TYPI CAL I N FI LTRATI ON SECTI ON 3. FOR CATCH BASIN TYPE 2 72n0 RESTRICTOR, SEE C.O.E. STD DTL 415. VERT 1" = 5' PLAN APPROVED <br /> o , �, 4. FOR CATCH BASIN TYPE 2 48 � & 54 �, SEE C.O.E. STD DTL 405. <br /> a ''� 5. FOR UNDRGROUND DETENTION SYSTEM„ SEE C.O.E. STD DTL 418. <br /> `\`�� 6. INFILTRATION GALLERIES SHALL BE EXCAVATED USING "AT ARMS � IO-I6- � <br /> ,�'� \�, SAND TREATMENT LAYER SPECIFICATIONS LENGTH" METHODS. CONSTRUCTION EQUIPMENT SHALL NOT BE DRIVEN P a�zc c�.s DATE <br /> `�, WITHIN THE EXCAVATION TO PROTECT INFILTRATIVE SOILS. <br /> `� 7. UNDERDRAIN PIPES BELOW DRIVING SURFACES MUST MEET PIPE EROSION pUBLICWORKS <br /> �\�.---�`" US SE�vE � PERCENT PASSING MATERIAL AND COVER REQUIREMENTS. sHEEr: REv: • <br /> DEPARTl�9ENT <br /> 4 95-100 8. PROTECT THE INFILTRAIION SOIL DURING CONSTRUCTION. SOLS BELOW WATER <br /> F��� co�c. n�c�t� ,� ; $ �o-�oo THE WFILTRATION AREAS SHOULD NOT BE COMPACTED TO THE SAME REQUIREO R oR o sr�n� <br /> ` cAs� w/3„ �r;�ss <br /> �I ,�is�< �^:�/;=��r��;�� 16 �-90 LEVEL AS IS TYPICALLY DONE BELOW A PAVEMENT SECTION. " <br /> �T-�`�-;J �'1 3� 25-75 S�ER PRO)ECTNISRCONDITIO AL PER <br /> VRO]ECT. APPROYAL fOR YHIS <br /> �JO Z-Z�J TRAF GURRENT CITY ANDRRDS AND <br /> � ,�OkO�� O 100 �4 �- EXPIRES ro-1b�2o157UNLE55 OF � <br /> Q Q�;. `�1 / PERMIT FOR CONSTRUCTION H115 <br /> � ZOO Q CITY NGIN�ER BEEN ISSUED. <br /> w � <br /> a <br /> 0 <br /> � � Copyright 2017 by Brian R. Lindsay, BR.� S2Y`VZCeS �LC. Design, map, text and data may not be used, copied or reproduced in any way without express written permission of Brian R. Lindsay, B� $e'Y`VlCeS ��C. <br /> � <br />