415 RIVERSIDE RD 2019-02-14 - Laserfiche WebLink

• • • LOT 2 LOT 3 LOT 4 LOT 5 LOT 7 AREA 232.516 SF(5.34 AC) AREA 722,491 SF(16.59 AC) AREA 289,415 SF(0.64 AC) AREA 421,778 SF(9.65 AC) AREA 207,414 SF(4.76 AC) DRAINS TO SNOHOMISH RIVER DRAINS TO .SNOHOMISH RIVER DRAINS TO SNOHOMISH RIVER DRAINS TO STORMWATER QUALITY POND 2 DRAINS TO SNOHOMISH RIVER LOT 2 OUTFALL-15"0 STEEL AND LOT 3 OUTFALL-12"0 CPP OR WQ STORM:ON-SITE OUTFALLMULTIPLE OUTFALLS-16'0 STEEL OUTFALL NORTH OUTFALL-12'0 CPP � � - HIGH FLOW:LOT 4BYPlSS OUTFALL WQ STORM:PUMP.STATIONS 2&3_ OUTFALL UNIDENTIFIED PEW(FLOW RATE PEAK FLOW RATE KA'ROW ROTE PEAK.FLOW RALE ALLOWED - PEN(FLOW ROTE O ALLOWED CAPACITY OF OUTFALL PIPES ALLOWED CAPACTIV OF OUTFALL PIPES ALLOWED - CAPACITY OF OUTFALL TO PUMP STATIONS 20 1.79+1.6=3.59 •CFS ALLOWED CAPACITY OF OUTFALL - DESIGN STORM 25-YEAR.24-HOUR DESIGN STORM 25-YEAR,24-HOUR DESIGN STORM 100-YEAR,24-HOUR DESIGN STORM 100-YEAR,24-HOUR DESIGN STORM 25-YEAR,24-HOUR rc DETENTION REQUIRED NONE DETENTION REQUIRED ON-SITE.(NONE WITH URGER OUTFALL) DETENTION REQUIRED TO BE DETERMINED DETENTION REQUIRED ON-SNE DETENTION REQUIRED TO BE DETERMINED WATER QUALITY ON-SITE WATER QUALITY ON-SITE WATER QUALITY ON-SITE(SEE NOTE 1) - WATER QUALM STDRMWATER QUALITY POND 2 WATER QVAUIt' ON-SITE TREATMENT TREATMENT TREATMENT TREATMENT TREATMENT LOT 8 LOT 9 8TH STREET . RIVERSIDE RD ' BASIN 595,564 SF(13.6]ACI. ROW TO STORMNATER QUAUIY POND 2 MAY BE CONSIDERED.MUST EAST B ) AREA 461,350 SF(10.59 AC) AREA 42,563 SF(0.90 AC) AREA 226,925 SF(5.21 AC) . DEMONSTRATE ADEQUATE POND OUTFALL CAPACITY AND INSTALL NN BASIN:50.530 SF(1.16 AC) DRAINS TO SNOHOMISH RIVER DRAINS TO STORMWATER QUALITY POND 2 ADDITIONAL PUMP CAPACITY.POND CAPACITY AVAILABILITY IS SHOWN ON 1 EAST BASIN:SNOHOMISH RIVER DRAINS TO SNOHOMISH RIVER REVISED FIGURE 2. DRAINS TO NN BASIN:STORMWATER QUALITY POND 2 25-YEAR STORM:PUMP STATIONS 1,2,3,&4 OUTFALL. UNIDENTIFIED OUTFALL HIGH FLOW:BTH ST OUTFALL OR NEW PUMP STATIONt FAST BASIN:LOT B OUTFALL-36"0 CNP OUTFALL OR STREET WITHTHLLARGE CPP 2. FLOW TE ADEQUATEUA QUALITY POND 2 MAY YE CONSIDERED.MUST OUTFALL PEAK FLOW RATE OR REPLACED LARGER OUTFALL - TO POND 2(COORDINATE W/8TH ST DRAINAGE) DEMONSTRATE CONVEYANCE CAPACITY,STORMWATER QUALITY IN/BASIN:PUMP STATION 4 CAPACITY OF OUTFALL AVAILABLE ALLOWED PEAK ROW RATE PEN(FLOW RATE ALLOWED POND 2 CAPACITY,AND POND OUTFALL CAPACITY.ADDITIONAL PUMP PEAK FLOW RATE EAST BASIN:CAPACITY OF OUTFALL CAPACITY OF OUTFALL PIPES 2.39+0.43+D.54+2.87=6.23 CFS _ ALLOWED NW BASIN:0.5 CFS - DESIGN STORM 25-YEAR.24-HOUR ALLOWED TO PUMP STATIONS 1-4 CAPACITY REQUIRED. DESIGN STORM 25-YEAR,24-HOUR DESIGN STORM 100-YEAR,24-HOUR 25-YEAR TO POND 2 WTER DESIGN STORM 3. p=WAQUALRY DETENTION REQUIRED TO BE'DETERMINED TO BE DETERMINED 100-YEAR TO BYPASS. CIES4 DETENTION REQUIRED NONE WATER QUALITY DETENTION REQUIRED(NONE WITH LARGER OUTFALL) DETENTION REQUIRED.NONE ON-SIZE 4. HIGH FLOW=100-YEAR STORM MINUS PUMP CAPACITY WATER DUALITY ON-SITE TREATMENT WATER QUALITY ON-SITE(SEE NOTE 2) WATER QUALITY 'STORMWATER QUALITY POND 2 TREATMENT TREATMENT TREATMENT STORMWATER QUALITY— g /i"..-�. WETLAND B PUMP STATION 1 POND 1 !1 PUMP STATION 3 II STDRMWATER QUALITY (. `` PUMP : 'i T4 PUMP STATION 2 POND 2 RIVERSIDE RD _ - --- ------ ---- ---- I I I ' \ / I I 1 J is i • i I / I ''\ � I _�- -� o . ........ ..:. • LOT 8 OUTFALL �`, x:.;..;.. i:.;F,: I .0T 1. 11 n� ..... 11 �" EXIST. 36"0 CMP N. I I• I /- a oZ `\ I; I lI II N F— MULTIPLE OUTFALLS m w z0 EXIST. 18"4 STEEL z o Dm giEXIST. 60 STEEL -- EXIST. 24"0 STEEL tEw as__..-- 8TH STREET OUTFALL $g 9 w :., �` > EXIST. 12"O CPP i w W Z THIS DRAWING IS AN AMENDMENT TO THE EXIST. 8"0 CI OUTFALL EC ap STORMWATER SITE PLAN (COMPREHENSIVE SCALE IN FELT HYDRAULICS REPORT), PORT OF EVERETT NORTH OUTFALL — ~O LOT 3 OUTFALL EXIST. 12'0 CPP RIVERSIDE BUSINESS PARK DATED APRIL 2000. - - .A D MOD ,DD AMENDMENT 1 ADDRESSES LOT DRAINAGE ONLY. EXIST. 12"0 CPP LOT 2 OUTFALL • STREET DRAINAGE TO BE ADDRESSED IN FUTURE EXIST. 15"0 STEEL Fi ure 2A "-1200 AMENDMENT. - - g '""'"" CALL 48 HOURS AMENDMENT NT 1 "� BEFORE YOU DIG NOTE: 2 I ` -- IF"L'DOES NOT MEASURE 1" ""OCT 2016 • 1-800-424-5555 ADJUST SCALES ACCORDINGLY. • CA 21.2016.001