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Seattle,Washington <br /> = i A , www.pacland.com <br /> T 206.522.9510 <br /> TURNING VISIONS INTO REALITY <br /> Existing Flow Control Structure Detail <br /> INSTALL G.B. TOP AND FRAME & GRATE SO RESTRICTOR <br /> DEVICE IS VISIBLE AT EDGE OF OPENING AND DIRECTLY <br /> OVER LADDER <br /> GRATE ELEVATION 516,5 <br /> BOLT OR WELD CHAIN TO FRAME INSTALL LOCKING FRAME & <br /> :' t. m GRATE OR FRAME & LID PER <br /> STEPS: PER STANDARD #606 •` \ o STANDARD # 607 <br /> 0 <br /> RESTRICTOR ASSEMBLY PER STANDARDOVERFLOW ELEVATION = 513.03 <br /> #411 OR 413' (.12" MAX. GATE) <br /> ) 0.10' MAX. <br /> INVERT ELEVATION = 506.03 - . <br /> 18,, CMP <br /> --: 4., ,, <br /> ..,,.. .,,..,,,,,,44__) <br /> rr2,7 � —'--- (l 21' CMP <br /> 'IF-MIN. ^1, OUTLET PIPE <br /> " AT 0.50% <br /> f <br /> `t- <br /> TYPE II C.B. 72" • <br /> .�-- 1-4.i,4.07" DIAMETER ORIFICE L <br /> IN RESTRICTOR PLATE RESTRICTOR DETAIL CB NO. 1 <br /> (ORIGINAL DESIGN INFORMATION) <br /> NOTE: ELEVATIONS GIVEN ARE BASED <br /> ON THE VERTICAL DATUM OF 1929. <br /> THIS DOES NOT MATCH CURRENT <br /> DESIGN PLANS. <br /> I <br /> Everett-Mall Plaza Parcel Ill Retail Expansion Stormwater Site Plan Page 43 <br />