Loading...
HomeMy WebLinkAboutP_Drainage Plan_180502_v1.pdfT EAST VALLEY ROADS.R. 167SW 34TH ST 12%6%24 22 23 118 DISPLAY DISPLAY DISPLAY DISPLAYDISPLAY 2 44 SERVICE/EMPLOYEESERVICE/EMPLOYEE10 DISPLAY 14 DISPLAY DISPLAY 22 DISPLAY 20 DISPLAY 20 7 DISPLAY11 DISPLAY6 CUSTOMERSERVICE DRIVE CAR WASH 2 13 DISPLAY3 8CUSTOMERSIGN BIKERAMP UP6 3 DISPLAY SERVICE/EMPLOYEESERVICE/EMPLOYEESERVICE/EMPLOYEE2020201819212121212020 20 21 2121222221 2 0 74 LF 1 2 " C P E P @ 0 . 5 0 % 113 LF 12" CPEP @ 0.49%108 LF 12" CPEP @ 0.49% 88 LF 12" CPEP @ 0.50% 87 LF 12" CPEP @ 0.50%60 LF 12" CPEP @ 1.45%116 LF 12" CPEP @ 0.49% 48 LF 12" CPEP @ 0.30% 97 LF 12" C P E P @ 0 . 4 1 % 14 LF 18" CPEP @ 0.25% DISCHARGE ADJACENT TO WETLAND 132 LF 12" CPEP @ 0.30%78 LF 12" CPEP @ 0.30%78 LF 12" CPEP @ 0 .30%80 LF 12" CPEP @ 0.30%41 LF 18" @ 0.25%400 LF BIORETENTION CELL 2' WIDTH 0.5' PONDING DEPTH WETLAND BOUNDARY WETLAND BUFFER 75.00' WETLAND BUFFER PROPOSED BUILDING FINISHED FLOOR: 22.0 PROPRIETARY TREATMENT UNIT FOR ENHANCED TREATMENT IE: 15.60 18" (E) IE: 12.59 18" (SW) CB #12 RIM: 20.84 IE: 17.79 12" (S) CB #4 RIM: 20.74 IE: 16.02 12" (NW) IE: 16.02 12" (SW) CB #6 RIM: 20.62 IE: 16.49 12" (N) IE: 16.49 12" (SW) CB #10 RIM: 20.58 IE: 18.53 12" (W) CB#1 48" TYPE 2 CB BIORETENTION OVERFLOW STRUCTURE RIM: 20.50 IE: 17.87 12" (E) CB #2 RIM: 20.48 IE: 15.63 12" (N) IE: 16.52 12" (E) IE: 15.63 18" (W) CB #9 RIM: 20.31 IE: 18.00 12" (W) IE: 18.00 12" (E) CB #8 RIM: 20.28 IE: 17.45 12" (E) IE: 17.45 12" (W) CB #14 RIM: 20.09 IE: 17.79 12" (W) CB #11 RIM: 19.81 IE: 16.92 12" (E) IE: 16.92 12" (N) IE: 16.92 12" (W) CB #13 RIM: 19.79 IE: 17.35 12" (E) IE: 17.35 12" (W) CB #3 RIM: 19.54 IE: 15.78 12" (NE) IE: 15.78 12" (S) CB #5 RIM: 19.43 IE: 16.25 12" (NE) IE: 16.25 12" (SE) CB #7 RIM: 18.93 IE: 16.88 12" (E) IE: 16.88 12" (S) OUTLET IE: 17.50 12" (W)R.O.W1 2 3 4 TEL FAX www.ahbl.comWEBTELFAXwww.ahbl.comWEBTELFAXwww.ahbl.comWEB 2215 North 30th Street, Suite 300 Tacoma, WA 98403 253.383.2422TEL 253.383.2572FAX www.ahbl.comWEB TACOMA SEATTLE SPOKANE TRI-CITIES Know what's below. before you dig.Call R 3 STKMKWBEB MAY 2, 2018 SITE PLAN REVIEW 2180100.10 601 ST. HELENS AVENUE TACOMA, WA98402 ROGER HANSEN HHJ ARCHITECTS, PLLC WALKER AUTO DEALERSHIP A PORTION OF THE NW 1/4 OF THE SE 1/4 OF SEC. 30, TWN. 23 N., RGE. 05 E. W.M. CITY OF RENTON, KING COUNTY, WASHINGTON. WALKER AUTO DEALERSHIP DATE: April 27, 2018 FILENAME: Q:\2018\2180100\10_CIV\CAD\_Site Plan Review\2180100-SH-STRM-GRAD.dwg C1.1 4 GRADING AND DRAINAGE PLAN N GRAPHIC SCALE 0 30 60 1" = 30 FEET 15 1 - 1 NOT TO SCALE BIORETENTION CELL EARTHWORK QUANTITIES CUT:600 CY FILL:14,300 CY NET: 13,700 CY IMPORT NOTE: THE ABOVE QUANTITIES ARE ESTIMATES ONLY INTENDED FOR THE PERMITTING PROCESS. DO NOT USE FOR BID PURPOSES. THE QUANTITIES DO NOT HAVE STRIPPING, COMPACTION, OR CUT OR FILL ADJUSTMENT FACTORS APPLIED TO THEM. NOTE: FILL MATERIAL SHALL BE STRUCTURAL FILL PER GEOTECHNICAL ENGINEER'S RECOMMENDATIONS. UP TO 20,000 CY OF CONTAMINATED MATERIAL WILL BE REMOVED FROM THE SITE. REFER TO SEPARATE REMEDIATION PLAN. PROJECT AREAS PARCEL AREA: 247,713 SF (5.69 AC) DISTURBED AREA: 209,808 SF (4.82 AC) 8'2' 1 31' BOTTOM OF BIORETENTION CELL OVERFLOW ELEVATION WASHED ROCK PERFORATED UNDERDRAIN BIORETENTION SOIL MIX (BSM) 1.00 1.5' 1 3 CATCH BASIN OVERFLOW STRUCTURE 1 3 1' GRAVEL SECTION WHEELSTOP PARKING LOT 2' 05/01/2018 RECEIVED 05/02/2018 amorganroth PLANNING DIVISION