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HEWITT TERMINAL EVERETT SHIP <br /> DUNLAP ;A <br /> (PORT OF EVERETT) REPAIR <br /> (PORT OF EVERETT) (PORT OF o h <br /> EVERETT / <br /> o <br /> FEDERAL AVENUE BASIN SUMMARY <br /> NEW& REPLACED PGIS <br /> BASIN 1a <br /> BASIN 1.IS ABOUT 4,145 SF IN SIZE. \ 1 I p <br /> EXISTING DRAINAGE PATTERNS INCLUDE SHEET FLOW TO PORT PROPERTIES TO THE WEST <br /> AND NORTH WHERE DRAINAGE IS INFILTRATED OR COLLECTED BY PORT STORM DRAIN <br /> STRUCTURES.DRAINAGE IS UNTREATED. \\ / <br /> DEVELOPED CONDITIONS WILL CONSTRUCT A NEW CATCH BASIN(CB23)ON WEST SIDE OF �/- <br /> FEDERAL AVENUE TO COLLECT DRAINAGE FROM THE 4,145 SF OF NEW&REPLACED PGIS. --� " <br /> ® CB23 WILL BE TIGHT-LINED TO THE NEW PORT STORMFILTER(SDMH8)THAT WILL TREAT THE r R <br /> DRAINAGE BEFORE DISCHARGE TO PORT OUTFALL A. <br /> SUBBASIN 2 o <br /> x SUBBASIN 2 INCLUDES ABOUT 8,510 SF OF NEW&REPLACE PGIS. <br /> EXISTING DRAINAGE PATTERNS INCLUDE SHEET AND SHALLOW FLOW TO CATCH BASINS WITHIN / <br /> FEDERAL AVENUE THAT DISCHARGE TO SMH1995U01 AND CITY PORT GARDNER BAY OUTFACE / <br /> LOCATED ON PORT PROPERTY THAT IS LEASED TO DUNLAP.DRAINAGE IS UNTREATED. <br /> DISCHARGE TO SMH1995UO1 AND CITY PORT <br /> GARDNER BAY OUTFALL LOCAIFED ON PORT DEVELOPED CONDITIONS WILL INCLUDE A NEW MODULAR WETLAND BY THE CITY. <br /> PROPERTY AT THE DUNLAP L SEHOLD. CONSTRUCTION IS ANTICIPATED LATE 2021 OR EARLY 2022 FOLLOWING EXXON MOBIL <br /> CLEANUP OF BELOW GROUND CONTAMINATION. <br /> 1 APPROXIMATE LOCATION OF CITY'S PLANNED REGIO AL •• B <br /> SDMH8 DIA <br /> MODULAR WETLAND FACILITY OR PORT'S BACK-UP BASIC x I STORMFI FE R) <br /> — <br /> TREATMENT FACILITY. PORT'S BACK-UP BASIC TR TMENT �_ o <br /> O <br /> — �— — <br /> FACILITY WOULD BE CONSTRUCTED IN LATE 2022 R <br /> EARLY 2023 AND WOULD ONLY BE CONSTRUCTED F -__—----- <br /> s0 THE CITY'S REGIONAL FACILITY IS ABANDONED. SHADING ILLUSTRATES x <br /> BASIN I.D., TYP AREA OF NEW & o„ <br /> \ ® REPLACED PGIS, TYP i a� <br /> so PVMT RESTORATION FOR I(� O WATERMAIN EXTENSION CB23 <br /> x <br /> V x <br /> x <br /> o - -- - - -- -x x�x - -----x _x_ -- <br /> 8"` won 0 a 2f FEDERAL AVE R/W, TYP NORTH END OF BASIN IVI <br /> ash ass�as— 2d 2q 1 a FEDERAL AVE R/W <br /> aP i aP ' BASIN A <br /> aP <br /> FEDERAL A <br /> > 3 av OP -—O_-_Ov_ OP ID Ov <br /> EX CB, TYP I I 1 <br /> \ $ as—as <br /> � ®— as�as as as �as ash � BASIN A I <br /> I - <br /> i w <br /> I <br /> II -------------------- 0 30' 60 > <br /> LEGEND <br /> LP1 75'HIGH-MAST LIGHT POLE o— TRENCH DRAIN SLOPE DIRECTION 1 5' 45' '^ <br /> SCALE: 1"=30' <br /> 0-0 30'LOW-MAST LIGHT POLE PIPE SLOPE DIRECTION(NEW) Z <br /> r , BASIN A ON-SITE o— PIPE SLOPE DIRECTION(EXISTING) w <br /> L J (APPROX AREA 4.11 ACRES) <br /> r , BASIN A OFF-SITE <br /> w I_ J (APPROX AREA 0.16 ACRES) DRAINAGE BASIN BOUNDARY <br /> TOTAL OUTFALL A STORMFILTER VERT DATUM: NAVD 88 <br /> BASIN AREA=0.36 AC <br /> (ON-SITE PGIS=0.20 AC <br /> CONV TO MLLW = NAVD88+203 cy <br /> R/W+DUNLAP PGIS=0.16 AC) HORZ DATUM: NAD 83/91 w <br /> r , BASIN M=CESF BASIN IF SHEET IS LESS THAN I— J (APPROX AREA 39.40 ACRES) REDUCE SCALE ACCORDINGLY 4 w <br /> PROJECT ENGINEER: SCALE: <br /> DWG. N0. F I G 3 <br /> A� A. Jy9 N. WATSON 1" = 3G' PORT OF EVERETT � <br /> �`Z'�n fdy�� T� DESIGNED BY: DATE: Z <br /> Port of <br /> ="�� _' "� J. BECKER 05/07/2021 NOQRTON TERMINAL DEVELOPMENT GIP NO. Q <br /> EVERETTlqff DRAWN BY: CHECKED BY: MTCA 3RD INTERIM ACTION 1-8-900-05 I- <br /> 16015th Avenue,Suite 1300 10 10/15/2021 JB REVISED PER CITY COMMENTS. ,oq A370-14 K. EDWARDS, D. YU N. WATSON PROJECT M <br /> P.0 BOX 538 �Isxsat° FEDERAL AVENUE NO. MT—NT-2021-02.2 •• <br /> Seattle,Washington 98101 B 08/26/2021 NW NEW FIGURE PER CITY COMMENTS. /ONsL SGN a APPROVED BY: <br /> EVERETT, WA PROJECT NO.1600120 <br /> -3164 98206 382-0600 Fax <br /> y� <br /> c425) 259 <br /> 206)382-0500 NO. DATE BY REVISION NO. DATE BY REVISION <br /> STORM DRAIN BASIN PLAN SHEET NO. 3 OF xx N <br />