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SW 1/4, NE 1/4, Sec.31, T.29N, R.5E, W.M. <br />III\CD <br />/ Ilk <br />w Nc� <br />�Fo \X 6 WOOD FENCE ALL J J <br />XI I I \ <br />oHP Wl l l l 1 1 1 <br />F- <br />P <br />0 P GRAVEL <br />\\ \\ DRIVE/ <br />off <br />\ P <br />\ � � � � 11111111111 I <br />\s � \ � IIIIIIIIII I I <br />� I \ I I l l l IIIII I I <br />CB-1 I I I l l l l l l \ <br />RIM 360.60 o\ I I l l l l l l l to <br />IE NW 354.25 <br />IE SE 354.40 I I l l l I I\ <br />BOT 352.90 I I I I II \ \ <br />� IIIII I I � <br />CB -I \ \ \ A v \v <br />RIM 357.61 CD \ \ \ <br />IE NW 355.01 0 <br />IE S 355.01 \ � ks <br />BOT 352.91 \\ \ \ \ \ <br />GG <br />a A A V \ \ \ \ <br />\ �n <br />LO <br />CD <br />� I� I <br />a I III\ \ I <br />I I I I I <br />/ I I0 I I I <br />EX CB S I \ ) I <br />RIM 357.68 <br />IE E 355.98 A� / <br />IE N 355.78 <br />IE S 356.03 Ln I <br />BOT 355.48 <br />3 <br />EX CB r7 <br />RIM 357.34 ^ �' <br />IE W 355.74 <br />NO. <br />Know what's below. <br />Call before you dig. <br />REVISION DATE UTILITY CONFLICT NOTE: <br />CAUTION! <br />THE CONTRACTOR SHALL BE RESPONSIBLE FOR VERIFYING THE LOCATION, DIMENSION AND DEPTH OF <br />ALL EXISTING UTILITIES WHETHER SHOWN ON THESE PLANS OR NOT, BY POTHOLING THE UTILITIES <br />AND SURVEYING THE HORIZONTAL AND VERTICAL LOCATIONS PRIOR TO CONSTRUCTION. THIS SHALL <br />INCLUDE CALLING UTILITY LOCATE AT 1-800-424-5555 AND THEN POTHOLING ALL OF THE EXISTING <br />UTILITIES AT THEIR LOCATIONS OF NEW UTILITY CROSSINGS TO PHYSICALLY VERIFY WHETHER OR NOT <br />CONFLICTS EXIST. LOCATIONS OF SAID UTILITIES AS SHOWN ON THESE PLANS ARE BASED UPON THE <br />UNVERIFIED PUBLIC INFORMATION AND ARE SUBJECT TO VARIATION. PRIOR TO COMMENCING <br />CONSTRUCTION OF STORM DRAINAGE AND DETENTION SYSTEM, CONTRACTOR SHALL VERIFY <br />CONNECTION FROM DETENTION OUTLET TO TIE-IN LOCATION OF STORM DRAINAGE SYSTEM. IF ANY <br />CONFLICTS SHOULD OCCUR, THE CONTRACTOR SHALL CONSULT SOUND DESIGN ENGINEERING TO <br />RESOLVE ALL PROBLEMS PRIOR TO PROCEEDING WITH CONSTRUCTION. <br />\ C ` <br />\ �s <br />\ \ _ P <br />�� SSMH 48" <br />RIM 288.21 <br />\ IE SW 279.66 <br />IE NW 279.26 <br />` IE SE 279.56 <br />SCALE: 1" = 20' <br />0 10 20 <br />RECORD DRAWING <br />This Record Drawing has been prepared, in part, <br />based on "As -Built" information provided by <br />others. Though the as -built information and this <br />drawing are based on the best available <br />information, no presumption should be made <br />regarding the drawing's accuracy. <br />Jim Knappert 12/05/2023 <br />Permit Inspector <br />B. <br />W�.ry�� <br />0 <br />_. Z <br />�� yF 31244 <br />51 i% <br />ti <br />11/03/23 <br />(AL SOUND DESIGN <br />ENGINEERING, INC <br />ROBERT NEHRING, P.E. <br />10515 20th Street S.E., Lake Stevens, WA 98258 <br />TEL: (425) 773-9567 <br />GENERAL NOTES: <br />FOUNDATION DRAINS SHALL NOT BE DIRECTLY CONNECTED TO ROOF DRAINS. <br />CONTRACTOR TO CONSULT WITH TANK MANUFACTURER TO ENSURE THE MIN. <br />COVER OF THE DETENTION TANKS. <br />*SINGLE FAMILY DRIVEWAY SLOPES NOT TO EXCEED 157.1 THE MAXIMUM <br />GARAGE FINISHED FLOOR ELEVATIONS HAVE BEEN SET TO ASSUME THE <br />MAXIMUM SLOPE* <br />KEYED NOTES <br />OTRENCH DRAIN - CONNECTTO DETENTION <br />SYSTEM <br />OSTORMTECH MC-4500 CHAMBER SYSTEM <br />SEE SHEET 2 <br />O4"- 6" PVC PIPE. CONNECTTO CHAMBER WITH <br />INSERT -A -TEE <br />IE=284.92 <br />OYD - YARD DRAINS TO BE MIN 18" DIA WITH <br />OPEN GRATE AND 12" SUMP (lYP) <br />OCB NO. 1- TYPE 1 W/SOLID LOCKING LID AND <br />1.5' SUMP (PER STD DWG 402) <br />RIM=297.0 296.39 <br />IE=294.0 292.89 <br />5A - <br />296.66 <br />'r-n�T 292.49 (SE) <br />292.09 (NW) <br />0 - <br />' rrr m293r0r <br />OCONTROL STRUCTURE (PER STD DWG 415) <br />SEE DETAIL, SHEET 4 <br />OCB NO.3 - TYPE 1 W/SOLID LOCKING LID AND <br />1.5' SUMP (PER STD DWG 402) <br />RIM= 294.00 294.08 <br />IE = 289.00 292.36 <br />OCB NO.4 - TYPE 2 (PER STD DWG 405) <br />RIM=289.80 289.71 <br />IE=281.52- 282.19 (SW) <br />282.11(NE) <br />OUTLET PIPE TO HAVE A FLOATABLE MATERIALS <br />SEPARATOR AND GAS TRAP (PER STD DWG 413) <br />SADDLE SSMH - 48" (PER STD DWG 605) <br />RIM=289.90 288.92 <br />IE=281.14 (8"-OUT-NW) 281.27 <br />IE=281.24 (8'-IN-SE) 281.37 <br />IE=281.24 (8"-IN-SW) 281.87 <br />Acre Short Plat <br />Public Works Permit <br />GRADING AND DRAINAGE PLAN <br />AS BUILT <br />PW21O3-018 <br />DATE: 11 /03/23 <br />DRAWN BY: VK <br />CHECKED BY: RBN <br />FILE: Acre SP.dwg <br />SHEET 4 OF b <br />