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SEC 20, TWP 28 N, RGE 5 E, WM � T <br /> F j <br /> �G' `�L+ <br /> ��� � <br /> } ~ '�1 � <br /> > �� <br /> � t s463 �,� <br /> � �I STE��� <br /> � IONAI. <br /> � <br /> 0 <br /> w le�� i� <br /> Q <br /> 0 <br /> FT ROD W/HANDLE. Wh1EN TOP 444.8 <br /> ROUND MANHOLE COVER StiEAR GATE {S CLOSED, . <br /> MARKED� DRAIN" WITH HANDLE SHOULd ATTACH TO <br /> LOCKING BOLTS TOP HANDHOLD/LADDER RUNG. <br /> RIM EL 443.05 <br /> � OVERFLOW <br /> o EL 440.34 2' MAX 2' MAX O E 439.96 <br /> � <br /> 0 o DETEN110N PIPE #t � � <br /> `" w 'f' 41'�72"�b � 0.50% o � <br /> � a � <br /> 0 <br /> 0 � � N ' <br /> � � E 435.46 __ _____DEAO STORAGE ELV = 435.84_ IE 435.6 `� E 435.70 � <br /> IE 435.84 ---- ------ --------------------- � o <br /> . <br /> � . <br /> � <br /> � E 435.44 <br /> � <br /> w <br /> (V C4 <br /> ANOUT SHEAR GATE � <br /> 0 8" DIA. MIN. SEE COE � <br /> 16" IA H P H N STD DWG 416 DTL C y <br /> DRILLED ORIFlCE IN 12 GAUGE PLATE C B 6-�T"Y� � <br /> MESH SCREEN W/ �° HOLES � <br /> � y <br /> G <br /> O -cs <br /> p » DETENTION PIPE #1 w � <br /> CD �-�� � SCALE HORIZ 1" = 5' � � <br /> PER COE STD DWG 415 � <br /> VERT 1" = 5' � <br /> � � O y <br /> J m � <br /> 0 <br /> t� � • <br /> } � � <br /> ;� m w <br /> m � E <br /> Z � <br /> '�i �j z Z <br /> Q w p] / <br /> � = O <br /> � U <br /> E 442.97 TOP 445.17 <br /> V <br /> _ � . <br /> _ � ,� o <br /> N <br /> �� � � <br /> � <br /> � � � � <br /> N <br /> - � � � C <br /> H Y <br /> 2' MAX v O � � <br /> 2' MAX � �, � � <br /> - � OETEN110N PIPE �2 0 � � N� � <br /> _ � 41'�72'� 0 0.50% o � <br /> o �, � <br /> o � � � <br /> - w � �o <br /> � � � � N � <br /> - � E 435.46 _______DEAD STORAGE ELV = 435.84_ IE 435.68 � E 435.70 4 C B 6-�'T"� Q� Z � � � <br /> ---------- --------- ---- -------- � <br /> C� aZQ <br /> E 435.44 � Z <br /> � o � <br /> � � a w , <br /> � w <br /> > <br /> Z w <br /> � � � N <br /> ` N <br /> ` N <br /> 3--54"� _ � <br /> . <br /> �B DETENTION PIPE 2 CB 3 54"� �''- » � <br /> SCALE HORIZ 1° = 5� CB 14-54 � <br /> VERT 1" = 5' <br /> � <br /> , <br /> � <br /> � <br /> . <br /> . <br /> . <br /> ., , <br /> NOTES <br /> 1. ALL WORK AND MATERIALS SHALL CONFORM TO THE CITY OF EVERETT � <br /> STANDARDS PER THE WASHINGTON STATE DEPARTMENT OF ECOLOGY'S <br /> 2014 STORMWATER MANAGEMENT MANUAL FOR WESTERN WASHINGTON, <br /> AS AMENDED IN 2014 (2014 SWMMWW). <br /> 2. FOR CATCH BASIN TYPE 1, SEE C.O.E. STD DTL 402. <br /> 3. FQR CATCH BASIN TYPE 2 72"� RESTRICTOR, SEE C.O.E. STD DTL 415. �,� <br /> 4. FOR CATCH BASIN TYPE 2 48°� & 54"�, SEE C.O.E. STD DTL 405. o�Q��� <br /> 5. FOR UNDRGROUND DETENTION SYSTEM„ SEE C.O.E. STD DTL 418. ,��,�1� <br /> 6. INFILTRATION GALLERIES SHALL BE EXCAVATED USING "AT ARMS a`` °c � <br /> LENGTH° METHODS. CONSTRUCTIQN EQUIPMENT SHALL NOT BE DRIVEN <br /> WITHIN THE EXCAVATION TQ PROTECT INFILTRATIVE SOILS. W <br /> 7. UNDERDRAIN PIPES BELOW DRIVING SURFACES MUST MEET PIPE <br /> I MATERIAL AND COVER REQUIREMENTS. ��y � <br /> 8. PRQTECT THE INFILTRATION SOIL DURING CONSTRUCTION. SOLS BELOW = � <br /> THE INFILTRATION AREAS SHOULD NOT BE COMPACTED TO THE SAME � <br /> �ee� � <br /> i LEVEL AS IS TYPICALLY DONE BELOW A PAVEMENT SECTION. o���'�`° ,��`� <br /> '� T <br /> Z .�,. <br /> Q Z <br /> J � Z <br /> VOLUME REQUIRED �B 5_����� �' o � � <br /> 24'x21'x4.5'=2,268cuft ~ <br /> W Z <br /> =Volume required -,� J w = <br /> � � � N . <br /> . Q <br /> � � W <br /> � <br /> ` <br /> � N '� BR� Q � 3 . <br /> z VOLUME PROVIDED ` <br /> " 4.5'^'CB#5 (72" �6) =28.27 cu ft/LF = 127.23 / <br /> 4.5'"'CB#13(54" q�) =15.90 cu ft/LF = 71.57 <br /> 4.5'"'CB#5 (54"�6} =15.90 cu ft(l.F = 71.57 '�ti� � <br /> 8'�48"Q5 5D =12.57 cu ftJ = 100.53 �s$ <br /> s2���2���SD =28.27 cu ft(LF =231$.50 ; `''�, GRAPHI� SCALE <br /> 2689,40 cu ft � <br /> ��` 5 0 2.5 5 J <br /> i � <br /> z ��=5� PL,A1�8 APP�OliED - <br /> � <br /> 0 <br /> J � <br /> a CB 13-54"� P�g C ERVICES �A ` � <br /> � <br /> N E EROSION PUBLIC WDRKS <br /> ��EPARTI�'JENT <br /> yyp�a SHEET: REV: <br /> A F'UBIIC VlORKS PCRM:T IS <br /> SEWER RE�UIRED PRSqR TO S?ARTING <br /> ANY CONSTRUCTION UN TNYS <br /> PROlECT. APP�OYAI FOR THLS <br /> � , PRC.)EC7 IS COrID7T?G�AL PER <br /> TRAF C CURf2EtdT�t�T'7Y��T�J'J�J�D�A(iD5 AND <br /> � <br /> EXPIRES rv �D-LVlgUNLE55 <br /> � PERMIT FOR CONSTRUCZ'ION HAS �F' <br /> ¢ NGINEER BEEN i55UED. <br /> f <br /> � 7 a <br /> 0 <br /> � � Copyright 2017 by Brian R. Lindsay, BR.0 Serviees LLC. ��:��an, map, text and data may not be used, copied or reproduced in any way without express written permission of Brian R. Lindsay, BR.L Se�^viees LIC. <br /> � <br />