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NW 114, SE 114, SEC.30, T.29N., RJE., W.M. <br />SNOHOMISH COUNTY, WASHINGTON <br />IILF 12" <br />IE, 176.25 (12" OUT, SW) <br />DETENTIONSUMMART CHART- STORMTANK <br />STORM VOLUME STORAGE REQUIREMENTS (CF) MAXIMUM RELEASE RATES (CFS) <br />EVENT DEAD LIVE DESIGNED AS -BUILT RATE DESIGNED AS -BUILT <br />/2 OF 2-YEAR 0 4,286 4,286 0.01 0.01 <br />50-YEAR 0 7,880 7,880 0.04 0.02 <br />SCALE: I" = 10' <br />10 5 0 10 20 <br />Know what's below. <br />Call before you dig. <br />UTILITY CONFLICT NOTE. <br />CAUTION.• <br />THE CONTRACTOR SHALL BE RESPONSIBLE FOR VERIFYING THE LOCATION, <br />DIMENSION, AND DEPTH OF ALL EXISTING UTILITIES WHETHER SHOWN ON THESE <br />PLANS OR NOT, BY POTHOLING THE UTILITIES AND SURVEYING THE HORIZONTAL <br />AND VERTICAL LOCATION PRIOR TO CONSTRUCTION. THIS SHALL INCLUDE <br />CALLING UTILITY LOCATE 0 1-800-424-5555 POTHOLING ALL OF THE EXISTING <br />UTILITIES AT LOCATIONS OF NEW UTILITY CROSSINGS TO PHYSICALLY VERIFY <br />WHETHER OR NOT CONFLICTS EXIST, LOCATIONS OF SAID UTILITIES AS SHOWN <br />ON THESE PLANS ARE BASED UPON THE UNVERIFIED PUBLIC INFORMATION AND <br />ARE SUBJECT TO VARIATION. IF CONFLICTS SHOULD OCCUR, THE CONTRACTOR <br />SHALL CONSULT WITH INSIGHT ENGINEERING COMPANY TO RESOLVE ALL <br />PROBLEMS PRIOR TO PROCEEDING WITH CONSTRUCTION. <br />190 <br />1E <br />170 <br />165 <br />ROUND SOLID COVER MARKED <br />"DRAIN" WITH LOCKING BOLTS <br />UNLESS OTHERWISE APPROVED <br />BY THE ENGINEER <br />ORIFICE #3 = 0.5" <br />DIA @ 178.70 <br />PIPE SUPPORTS. NO. AS REQ'D. <br />3" X 0.9 GA. BOLTED OR a <br />IMBEDDED 2" (MIN.) IN C.B. WALL <br />® 3' (MAX.) SPACING. MIN. 1' SUPPORT <br />12" FR.O.P. TEE------.. <br />12"0SD <br />I.E.= 176,25 <br />ORIFICE #I = 0.5" DIA. <br />RESTRICTOR PLATE TO BE <br />SHARP EDGED. SHOP DRILLED <br />2 STRAINER- <br />4. <br />FRAME AND LADDER OR STEPS <br />OFFSET. TOP = 184.0(f) <br />O.F.EL. =179 6" MIN <br />?5 <br />ORIFICE #2 = 0.68" DIA <br />® 177,90 <br />12" 0 SD <br />0 Oq SL <br />y <br />E. = 176.25 <br />CLEANOUT/ 3 <br />SHEAR GATE 4, <br />CB#1 FLOW RLSTRICTOR POLLUTION <br />1 CONTROL DEVICE (F.R.O.P.)(TYPE'2-54-j <br />N. T. S. <br />SIZE TO FIT <br />FROP TFF <br />1" MIN. GAP BETWEEN <br />STRAPS <br />4 - 970"x12ga. GALV. STRAPS <br />TACK WELD TO WIRE MESH. <br />SECURE STRAINER TO FR.O.P. <br />TEE w/GALV. # 6xl" SHEET <br />METAL SCREWS, 2 PER STRAP. <br />x 1/2" x 16"qa. <br />GALV. WIRE MESH <br />SOLID 12ga. GALV. BOTTOM <br />PLATE TACK WELDED TO <br />BOTTOM OF MESH. <br />NOTE: STRAINER MATERIAL TO BE SAME AS CONTROL STRUCTURE <br />2 STRAINER DETAIL <br />C4.1 N.TS. <br />8" <br />181.75 <br />STORM <br />TANK <br />176.25 <br />11LF12" <br />SD00.001 <br />11 LF 12" <br />D @ 43.5990 <br />CB 1 <br />RIM, 184.00 <br />IE: 176.25 (12" IN, E) <br />IE: 176.25 (12" OUT, <br />W) <br />EX. SSMH <br />S 1 <br />RIM: 186.12' <br />RIM: 184.00 <br />IE: 36" (N,SW)=168.54' <br />IE: 171.90 (81PVC IN, E) <br />IE: 171.5 (12 IN, E) <br />►E, 171.65 (121PVC OUT, NW) <br />IE: 171.65 (12', IN) <br />IE: 173f (6- F0077NG DRAIN) <br />19+50 20+00 20+50 <br />UTILITIESPROF,(LE <br />SCALE: 1 "=20' HORIZ, 1 "=2' VERT <br />DESIGN SPEED = 20 MPH <br />190 <br />170 <br />165 <br />21+00 <br />NOTES: <br />a. REFERENCE BRENTWOOD INDUSTRIES STANDARD <br />DRAWINGS AND NOTES FOR DETAILED INFORMATION. <br />b. REFERENCE CURRENT INSTALLATION INSTRUCTIONS <br />FOR PROPER INSTALLATION PRACTICES. <br />c. ENGINEER OF RECORD TO CONFIRM CONFORMANCE <br />TO MANUFACTURER'S ALLOWABLE PROXIMITY TO <br />OTHER STRUCTURES. <br />d. ALL INLET AND PIPE LOCATIONS AND DESIGNS BY <br />OTHERS. <br />e. INVERT INFORMATION HAS NOT BEEN PROVIDED AND <br />LEGEND <br />10" OBSERVATION PORT 0 <br />J/" (19.5 mm) ANGULAR STONE <br />IS SHOWN AT A ZERO ELEVATION AND IS TO BE HANDLE WITH <br />DETERMINED BY THE ENGINEER OF RECORD. LOCK PIN <br />0 ADJUSTABLE LOCK <br />HOOK w/LOCK SCREW <br />0 <br />SIX EVENLY SPACED HOLES ON 10 <br />Z 3/8" BOLT CIRCLE FOR BOLTING <br />J <br />TO FLANGE CONNECTION. <br />O 0 <br />0 �- 0 <br />p 0 �/ 0 <br />i <br />LEVEL LINE i p u <br />0 0 0 ` ° <br />- 4 <br />O O <br />MAXIMUM OPENING FRONT <br />OF GATE SIDE <br />LIFT HANDLE SHALL BE ATTACHED PER <br />MANUFACTURER'S RECOMMENDATIONS. <br />3 CLLWOUT/ SHEAR GATE <br />C4.1 N. T.S. <br />FINISHED IMPERVIOUS SURFACE <br />(DESIGN BY ENGINEER OF <br />RECORD) <br />SUITABLE COMPACTABLE FILL <br />(AS NECESSARY - DESIGN <br />BY ENGINEER OF RECORD) <br />LAYFIELD LP6 NON -WOVEN GEOTEXTILE <br />(OR EQUAL) SURROUNDING MODULES <br />AND STONE/SOIL INTERFACE <br />IMPERMEABLE LINER PVC 30 MIL. <br />PER(' 2-'\DETAIL A. <br />u <br />(19 mm) ANGULA <br />STON <br />ENGINEER OF RECORD RESPONSIBLE <br />FOR ENSURING SUBGRADE SOILS <br />MEET BEARING AND SETTLING <br />REQUIREMENTS <br />4 STORM. ANKELE'VATION <br />C4.1 NOT TO SCALE <br />EL=181.75 <br />EL=179.25 <br />EL=176.25 <br />MIN. 1' <br />(305 mm) <br />